diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR.meta new file mode 100644 index 0000000..1c71416 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2 +guid: fbb474d5e9430814eb7b83620c3d4189 +folderAsset: yes +DefaultImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders.meta new file mode 100644 index 0000000..57ef699 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2 +guid: d231e3fb22497e3448f149c48709d08d +folderAsset: yes +DefaultImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders.meta new file mode 100644 index 0000000..806a4d1 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2 +guid: f7cc575273c4b124596cac0be2abd8ff +folderAsset: yes +DefaultImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h new file mode 100644 index 0000000..fb5e13a --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h @@ -0,0 +1,526 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_COMMON_TYPES_H +#define FFXM_COMMON_TYPES_H + +#if defined(FFXM_CPU) +#define FFXM_PARAMETER_IN +#define FFXM_PARAMETER_OUT +#define FFXM_PARAMETER_INOUT +#define FFXM_PARAMETER_UNIFORM +#elif defined(FFXM_HLSL) +#define FFXM_PARAMETER_IN in +#define FFXM_PARAMETER_OUT out +#define FFXM_PARAMETER_INOUT inout +#define FFXM_PARAMETER_UNIFORM uniform +#elif defined(FFXM_GLSL) +#define FFXM_PARAMETER_IN in +#define FFXM_PARAMETER_OUT out +#define FFXM_PARAMETER_INOUT inout +#define FFXM_PARAMETER_UNIFORM const //[cacao_placeholder] until a better fit is found! +#endif // #if defined(FFXM_CPU) + +#if defined(FFXM_CPU) +/// A typedef for a boolean value. +/// +/// @ingroup CPUTypes +typedef bool FfxBoolean; + +/// A typedef for a unsigned 8bit integer. +/// +/// @ingroup CPUTypes +typedef uint8_t FfxUInt8; + +/// A typedef for a unsigned 16bit integer. +/// +/// @ingroup CPUTypes +typedef uint16_t FfxUInt16; + +/// A typedef for a unsigned 32bit integer. +/// +/// @ingroup CPUTypes +typedef uint32_t FfxUInt32; + +/// A typedef for a unsigned 64bit integer. +/// +/// @ingroup CPUTypes +typedef uint64_t FfxUInt64; + +/// A typedef for a signed 8bit integer. +/// +/// @ingroup CPUTypes +typedef int8_t FfxInt8; + +/// A typedef for a signed 16bit integer. +/// +/// @ingroup CPUTypes +typedef int16_t FfxInt16; + +/// A typedef for a signed 32bit integer. +/// +/// @ingroup CPUTypes +typedef int32_t FfxInt32; + +/// A typedef for a signed 64bit integer. +/// +/// @ingroup CPUTypes +typedef int64_t FfxInt64; + +/// A typedef for a floating point value. +/// +/// @ingroup CPUTypes +typedef float FfxFloat32; + +/// A typedef for a 2-dimensional floating point value. +/// +/// @ingroup CPUTypes +typedef float FfxFloat32x2[2]; + +/// A typedef for a 3-dimensional floating point value. +/// +/// @ingroup CPUTypes +typedef float FfxFloat32x3[3]; + +/// A typedef for a 4-dimensional floating point value. +/// +/// @ingroup CPUTypes +typedef float FfxFloat32x4[4]; + +/// A typedef for a 2-dimensional 32bit unsigned integer. +/// +/// @ingroup CPUTypes +typedef uint32_t FfxUInt32x2[2]; + +/// A typedef for a 3-dimensional 32bit unsigned integer. +/// +/// @ingroup CPUTypes +typedef uint32_t FfxUInt32x3[3]; + +/// A typedef for a 4-dimensional 32bit unsigned integer. +/// +/// @ingroup CPUTypes +typedef uint32_t FfxUInt32x4[4]; +#endif // #if defined(FFXM_CPU) + +#if defined(FFXM_HLSL) + +// Unless defined, go for the conservative option. +#if !defined(FFXM_HLSL_6_2) +#define FFXM_HLSL_6_2 (0) +#endif + +#define FfxFloat32Mat4 matrix +#define FfxFloat32Mat3 matrix + +/// A typedef for a boolean value. +/// +/// @ingroup HLSLTypes +typedef bool FfxBoolean; + +#if FFXM_HLSL_6_2 + +/// @defgroup HLSL62Types HLSL 6.2 And Above Types +/// HLSL 6.2 and above type defines for all commonly used variables +/// +/// @ingroup HLSLTypes + +/// A typedef for a floating point value. +/// +/// @ingroup HLSL62Types +typedef float32_t FfxFloat32; + +/// A typedef for a 2-dimensional floating point value. +/// +/// @ingroup HLSL62Types +typedef float32_t2 FfxFloat32x2; + +/// A typedef for a 3-dimensional floating point value. +/// +/// @ingroup HLSL62Types +typedef float32_t3 FfxFloat32x3; + +/// A typedef for a 4-dimensional floating point value. +/// +/// @ingroup HLSL62Types +typedef float32_t4 FfxFloat32x4; + +/// A [cacao_placeholder] typedef for matrix type until confirmed. +typedef float4x4 FfxFloat32x4x4; +typedef float3x3 FfxFloat32x3x3; +typedef float2x2 FfxFloat32x2x2; + +/// A typedef for a unsigned 32bit integer. +/// +/// @ingroup HLSL62Types +typedef uint32_t FfxUInt32; + +/// A typedef for a 2-dimensional 32bit unsigned integer. +/// +/// @ingroup HLSL62Types +typedef uint32_t2 FfxUInt32x2; + +/// A typedef for a 3-dimensional 32bit unsigned integer. +/// +/// @ingroup HLSL62Types +typedef uint32_t3 FfxUInt32x3; + +/// A typedef for a 4-dimensional 32bit unsigned integer. +/// +/// @ingroup HLSL62Types +typedef uint32_t4 FfxUInt32x4; + +/// A typedef for a signed 32bit integer. +/// +/// @ingroup HLSL62Types +typedef int32_t FfxInt32; + +/// A typedef for a 2-dimensional signed 32bit integer. +/// +/// @ingroup HLSL62Types +typedef int32_t2 FfxInt32x2; + +/// A typedef for a 3-dimensional signed 32bit integer. +/// +/// @ingroup HLSL62Types +typedef int32_t3 FfxInt32x3; + +/// A typedef for a 4-dimensional signed 32bit integer. +/// +/// @ingroup HLSL62Types +typedef int32_t4 FfxInt32x4; + +#else // #if defined(FFXM_HLSL_6_2) + +/// @defgroup HLSLBaseTypes HLSL 6.1 And Below Types +/// HLSL 6.1 and below type defines for all commonly used variables +/// +/// @ingroup HLSLTypes + +#define FfxFloat32 float +#define FfxFloat32x2 float2 +#define FfxFloat32x3 float3 +#define FfxFloat32x4 float4 + +/// A [cacao_placeholder] typedef for matrix type until confirmed. +#define FfxFloat32x4x4 float4x4 +#define FfxFloat32x3x3 float3x3 +#define FfxFloat32x2x2 float2x2 + +/// A typedef for a unsigned 32bit integer. +/// +/// @ingroup GPU +typedef uint FfxUInt32; +typedef uint2 FfxUInt32x2; +typedef uint3 FfxUInt32x3; +typedef uint4 FfxUInt32x4; + +typedef int FfxInt32; +typedef int2 FfxInt32x2; +typedef int3 FfxInt32x3; +typedef int4 FfxInt32x4; + +#endif // #if defined(FFXM_HLSL_6_2) + +// Arm ASR relies in efficient FP16 arithmetic. +#if !defined(FFXM_HALF) +#define FFXM_HALF (1) +#endif + +#if FFXM_HALF + +#if FFXM_HLSL_6_2 + +typedef float16_t FfxFloat16; +typedef float16_t2 FfxFloat16x2; +typedef float16_t3 FfxFloat16x3; +typedef float16_t4 FfxFloat16x4; + +/// A typedef for an unsigned 16bit integer. +/// +/// @ingroup HLSLTypes +typedef uint16_t FfxUInt16; +typedef uint16_t2 FfxUInt16x2; +typedef uint16_t3 FfxUInt16x3; +typedef uint16_t4 FfxUInt16x4; + +/// A typedef for a signed 16bit integer. +/// +/// @ingroup HLSLTypes +typedef int16_t FfxInt16; +typedef int16_t2 FfxInt16x2; +typedef int16_t3 FfxInt16x3; +typedef int16_t4 FfxInt16x4; +#else // #if FFXM_HLSL_6_2 +typedef min16float FfxFloat16; +typedef min16float2 FfxFloat16x2; +typedef min16float3 FfxFloat16x3; +typedef min16float4 FfxFloat16x4; + +/// A typedef for an unsigned 16bit integer. +/// +/// @ingroup HLSLTypes +typedef min16uint FfxUInt16; +typedef min16uint2 FfxUInt16x2; +typedef min16uint3 FfxUInt16x3; +typedef min16uint4 FfxUInt16x4; + +/// A typedef for a signed 16bit integer. +/// +/// @ingroup HLSLTypes +typedef min16int FfxInt16; +typedef min16int2 FfxInt16x2; +typedef min16int3 FfxInt16x3; +typedef min16int4 FfxInt16x4; +#endif // #if FFXM_HLSL_6_2 + +#endif // FFXM_HALF + +#endif // #if defined(FFXM_HLSL) + +#if defined(FFXM_GLSL) + +#define FfxFloat32Mat4 mat4 +#define FfxFloat32Mat3 mat3 + +/// A typedef for a boolean value. +/// +/// @ingroup GLSLTypes +#define FfxBoolean bool +#define FfxFloat32 float +#define FfxFloat32x2 vec2 +#define FfxFloat32x3 vec3 +#define FfxFloat32x4 vec4 +#define FfxUInt32 uint +#define FfxUInt32x2 uvec2 +#define FfxUInt32x3 uvec3 +#define FfxUInt32x4 uvec4 +#define FfxInt32 int +#define FfxInt32x2 ivec2 +#define FfxInt32x3 ivec3 +#define FfxInt32x4 ivec4 + +/// A [cacao_placeholder] typedef for matrix type until confirmed. +#define FfxFloat32x4x4 mat4 +#define FfxFloat32x3x3 mat3 +#define FfxFloat32x2x2 mat2 + +#if FFXM_HALF +#define FfxFloat16 float16_t +#define FfxFloat16x2 f16vec2 +#define FfxFloat16x3 f16vec3 +#define FfxFloat16x4 f16vec4 +#define FfxUInt16 uint16_t +#define FfxUInt16x2 u16vec2 +#define FfxUInt16x3 u16vec3 +#define FfxUInt16x4 u16vec4 +#define FfxInt16 int16_t +#define FfxInt16x2 i16vec2 +#define FfxInt16x3 i16vec3 +#define FfxInt16x4 i16vec4 +#endif // FFXM_HALF +#endif // #if defined(FFXM_GLSL) + + +#if FFXM_HALF + +#if FFXM_HLSL_6_2 + +#define FFXM_MIN16_SCALAR( TypeName, BaseComponentType ) typedef BaseComponentType##16_t TypeName; +#define FFXM_MIN16_VECTOR( TypeName, BaseComponentType, COL ) typedef vector TypeName; +#define FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix TypeName; + +#define FFXM_16BIT_SCALAR( TypeName, BaseComponentType ) typedef BaseComponentType##16_t TypeName; +#define FFXM_16BIT_VECTOR( TypeName, BaseComponentType, COL ) typedef vector TypeName; +#define FFXM_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix TypeName; + +#else //FFXM_HLSL_6_2 + +#define FFXM_MIN16_SCALAR( TypeName, BaseComponentType ) typedef min16##BaseComponentType TypeName; +#define FFXM_MIN16_VECTOR( TypeName, BaseComponentType, COL ) typedef vector TypeName; +#define FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix TypeName; + +#define FFXM_16BIT_SCALAR( TypeName, BaseComponentType ) FFXM_MIN16_SCALAR( TypeName, BaseComponentType ); +#define FFXM_16BIT_VECTOR( TypeName, BaseComponentType, COL ) FFXM_MIN16_VECTOR( TypeName, BaseComponentType, COL ); +#define FFXM_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ); + +#endif //FFXM_HLSL_6_2 + +#else //FFXM_HALF + +#define FFXM_MIN16_SCALAR( TypeName, BaseComponentType ) typedef BaseComponentType TypeName; +#define FFXM_MIN16_VECTOR( TypeName, BaseComponentType, COL ) typedef vector TypeName; +#define FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix TypeName; + +#define FFXM_16BIT_SCALAR( TypeName, BaseComponentType ) typedef BaseComponentType TypeName; +#define FFXM_16BIT_VECTOR( TypeName, BaseComponentType, COL ) typedef vector TypeName; +#define FFXM_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix TypeName; + +#endif //FFXM_HALF + +#if defined(FFXM_GPU) +// Common typedefs: +#if defined(FFXM_HLSL) +FFXM_MIN16_SCALAR( FFXM_MIN16_F , float ); +FFXM_MIN16_VECTOR( FFXM_MIN16_F2, float, 2 ); +FFXM_MIN16_VECTOR( FFXM_MIN16_F3, float, 3 ); +FFXM_MIN16_VECTOR( FFXM_MIN16_F4, float, 4 ); + +FFXM_MIN16_SCALAR( FFXM_MIN16_I, int ); +FFXM_MIN16_VECTOR( FFXM_MIN16_I2, int, 2 ); +FFXM_MIN16_VECTOR( FFXM_MIN16_I3, int, 3 ); +FFXM_MIN16_VECTOR( FFXM_MIN16_I4, int, 4 ); + +FFXM_MIN16_SCALAR( FFXM_MIN16_U, uint ); +FFXM_MIN16_VECTOR( FFXM_MIN16_U2, uint, 2 ); +FFXM_MIN16_VECTOR( FFXM_MIN16_U3, uint, 3 ); +FFXM_MIN16_VECTOR( FFXM_MIN16_U4, uint, 4 ); + +FFXM_16BIT_SCALAR( FFXM_F16_t , float ); +FFXM_16BIT_VECTOR( FFXM_F16_t2, float, 2 ); +FFXM_16BIT_VECTOR( FFXM_F16_t3, float, 3 ); +FFXM_16BIT_VECTOR( FFXM_F16_t4, float, 4 ); + +FFXM_16BIT_SCALAR( FFXM_I16_t, int ); +FFXM_16BIT_VECTOR( FFXM_I16_t2, int, 2 ); +FFXM_16BIT_VECTOR( FFXM_I16_t3, int, 3 ); +FFXM_16BIT_VECTOR( FFXM_I16_t4, int, 4 ); + +FFXM_16BIT_SCALAR( FFXM_U16_t, uint ); +FFXM_16BIT_VECTOR( FFXM_U16_t2, uint, 2 ); +FFXM_16BIT_VECTOR( FFXM_U16_t3, uint, 3 ); +FFXM_16BIT_VECTOR( FFXM_U16_t4, uint, 4 ); + +#define TYPEDEF_MIN16_TYPES(Prefix) \ +typedef FFXM_MIN16_F Prefix##_F; \ +typedef FFXM_MIN16_F2 Prefix##_F2; \ +typedef FFXM_MIN16_F3 Prefix##_F3; \ +typedef FFXM_MIN16_F4 Prefix##_F4; \ +typedef FFXM_MIN16_I Prefix##_I; \ +typedef FFXM_MIN16_I2 Prefix##_I2; \ +typedef FFXM_MIN16_I3 Prefix##_I3; \ +typedef FFXM_MIN16_I4 Prefix##_I4; \ +typedef FFXM_MIN16_U Prefix##_U; \ +typedef FFXM_MIN16_U2 Prefix##_U2; \ +typedef FFXM_MIN16_U3 Prefix##_U3; \ +typedef FFXM_MIN16_U4 Prefix##_U4; + +#define TYPEDEF_16BIT_TYPES(Prefix) \ +typedef FFXM_16BIT_F Prefix##_F; \ +typedef FFXM_16BIT_F2 Prefix##_F2; \ +typedef FFXM_16BIT_F3 Prefix##_F3; \ +typedef FFXM_16BIT_F4 Prefix##_F4; \ +typedef FFXM_16BIT_I Prefix##_I; \ +typedef FFXM_16BIT_I2 Prefix##_I2; \ +typedef FFXM_16BIT_I3 Prefix##_I3; \ +typedef FFXM_16BIT_I4 Prefix##_I4; \ +typedef FFXM_16BIT_U Prefix##_U; \ +typedef FFXM_16BIT_U2 Prefix##_U2; \ +typedef FFXM_16BIT_U3 Prefix##_U3; \ +typedef FFXM_16BIT_U4 Prefix##_U4; + +#define TYPEDEF_FULL_PRECISION_TYPES(Prefix) \ +typedef FfxFloat32 Prefix##_F; \ +typedef FfxFloat32x2 Prefix##_F2; \ +typedef FfxFloat32x3 Prefix##_F3; \ +typedef FfxFloat32x4 Prefix##_F4; \ +typedef FfxInt32 Prefix##_I; \ +typedef FfxInt32x2 Prefix##_I2; \ +typedef FfxInt32x3 Prefix##_I3; \ +typedef FfxInt32x4 Prefix##_I4; \ +typedef FfxUInt32 Prefix##_U; \ +typedef FfxUInt32x2 Prefix##_U2; \ +typedef FfxUInt32x3 Prefix##_U3; \ +typedef FfxUInt32x4 Prefix##_U4; +#endif // #if defined(FFXM_HLSL) + +#if defined(FFXM_GLSL) + +#if FFXM_HALF + +#define FFXM_MIN16_F float16_t +#define FFXM_MIN16_F2 f16vec2 +#define FFXM_MIN16_F3 f16vec3 +#define FFXM_MIN16_F4 f16vec4 + +#define FFXM_MIN16_I int16_t +#define FFXM_MIN16_I2 i16vec2 +#define FFXM_MIN16_I3 i16vec3 +#define FFXM_MIN16_I4 i16vec4 + +#define FFXM_MIN16_U uint16_t +#define FFXM_MIN16_U2 u16vec2 +#define FFXM_MIN16_U3 u16vec3 +#define FFXM_MIN16_U4 u16vec4 + +#define FFXM_16BIT_F float16_t +#define FFXM_16BIT_F2 f16vec2 +#define FFXM_16BIT_F3 f16vec3 +#define FFXM_16BIT_F4 f16vec4 + +#define FFXM_16BIT_I int16_t +#define FFXM_16BIT_I2 i16vec2 +#define FFXM_16BIT_I3 i16vec3 +#define FFXM_16BIT_I4 i16vec4 + +#define FFXM_16BIT_U uint16_t +#define FFXM_16BIT_U2 u16vec2 +#define FFXM_16BIT_U3 u16vec3 +#define FFXM_16BIT_U4 u16vec4 + +#else // FFXM_HALF + +#define FFXM_MIN16_F float +#define FFXM_MIN16_F2 vec2 +#define FFXM_MIN16_F3 vec3 +#define FFXM_MIN16_F4 vec4 + +#define FFXM_MIN16_I int +#define FFXM_MIN16_I2 ivec2 +#define FFXM_MIN16_I3 ivec3 +#define FFXM_MIN16_I4 ivec4 + +#define FFXM_MIN16_U uint +#define FFXM_MIN16_U2 uvec2 +#define FFXM_MIN16_U3 uvec3 +#define FFXM_MIN16_U4 uvec4 + +#define FFXM_16BIT_F float +#define FFXM_16BIT_F2 vec2 +#define FFXM_16BIT_F3 vec3 +#define FFXM_16BIT_F4 vec4 + +#define FFXM_16BIT_I int +#define FFXM_16BIT_I2 ivec2 +#define FFXM_16BIT_I3 ivec3 +#define FFXM_16BIT_I4 ivec4 + +#define FFXM_16BIT_U uint +#define FFXM_16BIT_U2 uvec2 +#define FFXM_16BIT_U3 uvec3 +#define FFXM_16BIT_U4 uvec4 + +#endif // FFXM_HALF + +#endif // #if defined(FFXM_GLSL) + +#endif // #if defined(FFXM_GPU) +#endif // #ifndef FFXM_COMMON_TYPES_H diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h.meta new file mode 100644 index 0000000..12003b2 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 86143f20804e7ad40af9d5e4bb7038f6 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h new file mode 100644 index 0000000..ee924e4 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h @@ -0,0 +1,69 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +/// @defgroup FfxGPU GPU +/// The FidelityFX SDK GPU References +/// +/// @ingroup ffxSDK + +/// @defgroup FfxHLSL HLSL References +/// FidelityFX SDK HLSL GPU References +/// +/// @ingroup FfxGPU + +/// @defgroup FfxGLSL GLSL References +/// FidelityFX SDK GLSL GPU References +/// +/// @ingroup FfxGPU + +/// @defgroup FfxGPUEffects FidelityFX GPU References +/// FidelityFX Effect GPU Reference Documentation +/// +/// @ingroup FfxGPU + +/// @defgroup GPUCore GPU Core +/// GPU defines and functions +/// +/// @ingroup FfxGPU + +#if !defined(FFXM_CORE_H) +#define FFXM_CORE_H + +#include "ffxm_common_types.h" + +#if defined(FFXM_CPU) +#include "ffxm_core_cpu.h" +#endif // #if defined(FFXM_CPU) + +#if defined(FFXM_GLSL) && defined(FFXM_GPU) +#include "ffxm_core_glsl.h" +#endif // #if defined(FFXM_GLSL) && defined(FFXM_GPU) + +#if defined(FFXM_HLSL) && defined(FFXM_GPU) +#include "ffxm_core_hlsl.h" +#endif // #if defined(FFXM_HLSL) && defined(FFXM_GPU) + +#if defined(FFXM_GPU) +#include "ffxm_core_gpu_common.h" +#include "ffxm_core_gpu_common_half.h" +#include "ffxm_core_portability.h" +#endif // #if defined(FFXM_GPU) +#endif // #if !defined(FFXM_CORE_H) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h.meta new file mode 100644 index 0000000..90bce22 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 1de7e5f01f4c625458dbda94917d9aa1 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h new file mode 100644 index 0000000..e32dbd3 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h @@ -0,0 +1,337 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +/// A define for a true value in a boolean expression. +/// +/// @ingroup CPUTypes +#define FFXM_TRUE (1) + +/// A define for a false value in a boolean expression. +/// +/// @ingroup CPUTypes +#define FFXM_FALSE (0) + +#if !defined(FFXM_STATIC) +/// A define to abstract declaration of static variables and functions. +/// +/// @ingroup CPUTypes +#define FFXM_STATIC static +#endif // #if !defined(FFXM_STATIC) + +/// @defgroup CPUCore CPU Core +/// Core CPU-side defines and functions +/// +/// @ingroup ffxHost + +#ifdef __clang__ +#pragma clang diagnostic ignored "-Wunused-variable" +#endif + +/// Interpret the bit layout of an IEEE-754 floating point value as an unsigned integer. +/// +/// @param [in] x A 32bit floating value. +/// +/// @returns +/// An unsigned 32bit integer value containing the bit pattern of x. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxUInt32 ffxAsUInt32(FfxFloat32 x) +{ + union + { + FfxFloat32 f; + FfxUInt32 u; + } bits; + + bits.f = x; + return bits.u; +} + +FFXM_STATIC FfxFloat32 ffxDot2(FfxFloat32x2 a, FfxFloat32x2 b) +{ + return a[0] * b[0] + a[1] * b[1]; +} + +FFXM_STATIC FfxFloat32 ffxDot3(FfxFloat32x3 a, FfxFloat32x3 b) +{ + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; +} + +FFXM_STATIC FfxFloat32 ffxDot4(FfxFloat32x4 a, FfxFloat32x4 b) +{ + return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3]; +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the GLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxFloat32 ffxLerp(FfxFloat32 x, FfxFloat32 y, FfxFloat32 t) +{ + return y * t + (-x * t + x); +} + +/// Compute the reciprocal of a value. +/// +/// @param [in] x The value to compute the reciprocal for. +/// +/// @returns +/// The reciprocal value of x. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxFloat32 ffxReciprocal(FfxFloat32 x) +{ + return 1.0f / x; +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxFloat32 ffxSqrt(FfxFloat32 x) +{ + return sqrt(x); +} + +FFXM_STATIC FfxUInt32 AShrSU1(FfxUInt32 a, FfxUInt32 b) +{ + return FfxUInt32(FfxInt32(a) >> FfxInt32(b)); +} + +/// Compute the factional part of a decimal value. +/// +/// This function calculates x - floor(x). +/// +/// @param [in] x The value to compute the fractional part from. +/// +/// @returns +/// The fractional part of x. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxFloat32 ffxFract(FfxFloat32 x) +{ + return x - floor(x); +} + +/// Compute the reciprocal square root of a value. +/// +/// @param [in] x The value to compute the reciprocal for. +/// +/// @returns +/// The reciprocal square root value of x. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxFloat32 rsqrt(FfxFloat32 x) +{ + return ffxReciprocal(ffxSqrt(x)); +} + +FFXM_STATIC FfxFloat32 ffxMin(FfxFloat32 x, FfxFloat32 y) +{ + return x < y ? x : y; +} + +FFXM_STATIC FfxUInt32 ffxMin(FfxUInt32 x, FfxUInt32 y) +{ + return x < y ? x : y; +} + +FFXM_STATIC FfxFloat32 ffxMax(FfxFloat32 x, FfxFloat32 y) +{ + return x > y ? x : y; +} + +FFXM_STATIC FfxUInt32 ffxMax(FfxUInt32 x, FfxUInt32 y) +{ + return x > y ? x : y; +} + +/// Clamp a value to a [0..1] range. +/// +/// @param [in] x The value to clamp to [0..1] range. +/// +/// @returns +/// The clamped version of x. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxFloat32 ffxSaturate(FfxFloat32 x) +{ + return ffxMin(1.0f, ffxMax(0.0f, x)); +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +FFXM_STATIC void opAAddOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b) +{ + d[0] = a[0] + b; + d[1] = a[1] + b; + d[2] = a[2] + b; + return; +} + +FFXM_STATIC void opACpyF3(FfxFloat32x3 d, FfxFloat32x3 a) +{ + d[0] = a[0]; + d[1] = a[1]; + d[2] = a[2]; + return; +} + +FFXM_STATIC void opAMulF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32x3 b) +{ + d[0] = a[0] * b[0]; + d[1] = a[1] * b[1]; + d[2] = a[2] * b[2]; + return; +} + +FFXM_STATIC void opAMulOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b) +{ + d[0] = a[0] * b; + d[1] = a[1] * b; + d[2] = a[2] * b; + return; +} + +FFXM_STATIC void opARcpF3(FfxFloat32x3 d, FfxFloat32x3 a) +{ + d[0] = ffxReciprocal(a[0]); + d[1] = ffxReciprocal(a[1]); + d[2] = ffxReciprocal(a[2]); + return; +} + +/// Convert FfxFloat32 to half (in lower 16-bits of output). +/// +/// This function implements the same fast technique that is documented here: ftp://ftp.fox-toolkit.org/pub/fasthalffloatconversion.pdf +/// +/// The function supports denormals. +/// +/// Some conversion rules are to make computations possibly "safer" on the GPU, +/// -INF & -NaN -> -65504 +/// +INF & +NaN -> +65504 +/// +/// @param [in] f The 32bit floating point value to convert. +/// +/// @returns +/// The closest 16bit floating point value to f. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxUInt32 f32tof16(FfxFloat32 f) +{ + static FfxUInt16 base[512] = { + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, 0x0100, 0x0200, 0x0400, + 0x0800, 0x0c00, 0x1000, 0x1400, 0x1800, 0x1c00, 0x2000, 0x2400, 0x2800, 0x2c00, 0x3000, 0x3400, 0x3800, 0x3c00, 0x4000, 0x4400, 0x4800, 0x4c00, 0x5000, + 0x5400, 0x5800, 0x5c00, 0x6000, 0x6400, 0x6800, 0x6c00, 0x7000, 0x7400, 0x7800, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, + 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, + 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, + 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, + 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, + 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, + 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x7bff, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, + 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, + 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, + 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, + 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, + 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8001, 0x8002, + 0x8004, 0x8008, 0x8010, 0x8020, 0x8040, 0x8080, 0x8100, 0x8200, 0x8400, 0x8800, 0x8c00, 0x9000, 0x9400, 0x9800, 0x9c00, 0xa000, 0xa400, 0xa800, 0xac00, + 0xb000, 0xb400, 0xb800, 0xbc00, 0xc000, 0xc400, 0xc800, 0xcc00, 0xd000, 0xd400, 0xd800, 0xdc00, 0xe000, 0xe400, 0xe800, 0xec00, 0xf000, 0xf400, 0xf800, + 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, + 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, + 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, + 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, + 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, + 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff, 0xfbff + }; + + static FfxUInt8 shift[512] = { + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, + 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0x0e, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, + 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x0d, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18 + }; + + union + { + FfxFloat32 f; + FfxUInt32 u; + } bits; + + bits.f = f; + FfxUInt32 u = bits.u; + FfxUInt32 i = u >> 23; + return (FfxUInt32)(base[i]) + ((u & 0x7fffff) >> shift[i]); +} + +/// Pack 2x32-bit floating point values in a single 32bit value. +/// +/// This function first converts each component of value into their nearest 16-bit floating +/// point representation, and then stores the X and Y components in the lower and upper 16 bits of the +/// 32bit unsigned integer respectively. +/// +/// @param [in] x A 2-dimensional floating point value to convert and pack. +/// +/// @returns +/// A packed 32bit value containing 2 16bit floating point values. +/// +/// @ingroup CPUCore +FFXM_STATIC FfxUInt32 packHalf2x16(FfxFloat32x2 x) +{ + return f32tof16(x[0]) + (f32tof16(x[1]) << 16); +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h.meta new file mode 100644 index 0000000..b8f442f --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 94fb3b7a7fde2f7448c52c5c262f5c01 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common.h new file mode 100644 index 0000000..e8df503 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common.h @@ -0,0 +1,2812 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +/// Shader quality related defines +/// +/// FFXM_FSR2_OPTION_SHADER_OPT_BALANCED. If defined, optimizations related to the balanced preset will be enabled. +/// FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE. If defined, optimizations related to the performance preset will be enabled. +#ifndef FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE +#define FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE 0 +#endif +#ifndef FFXM_FSR2_OPTION_SHADER_OPT_BALANCED +#define FFXM_FSR2_OPTION_SHADER_OPT_BALANCED 0 +#endif +/// FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE. Helper to identify if any of these profiles is used. +#define FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE (FFXM_FSR2_OPTION_SHADER_OPT_BALANCED || FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE) + +/// Both Balanced/Performance. Keep the temporal reactive as a separate RT to improve bandwidth of color history buffer. +#define FFXM_SHADER_QUALITY_OPT_SEPARATE_TEMPORAL_REACTIVE FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE +/// Both Balanced/Performance. Disable deringing when doing the color reprojection with the history +#define FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE +/// Both Balanced/Performance. Disable the Luma stability factor +#define FFXM_SHADER_QUALITY_OPT_DISABLE_LUMA_INSTABILITY FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE +/// Both Balanced/Performance. Use a 5-tap Lanczos kernel instead of the 9-tap used for `Quality` for upsampling +#define FFXM_SHADER_QUALITY_OPT_UPSCALING_LANCZOS_5TAP FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE +/// Balanced. Use Catmull-Rom (9 samples) for history reprojection +#define FFXM_SHADER_QUALITY_OPT_REPROJECT_CATMULL_9TAP FFXM_FSR2_OPTION_SHADER_OPT_BALANCED +/// Performance. PreparedInputColor is now stored as R8G8B8A8_Unorm tonemapped data. Rectification don't use `YCoCg` anymore +#define FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE +/// Performance. Use Catmull-Rom (5 samples) for history reprojection +#define FFXM_SHADER_QUALITY_OPT_REPROJECT_CATMULL_5TAP FFXM_FSR2_OPTION_SHADER_OPT_PERFORMANCE + +#if !defined(FFXM_SHADER_PLATFORM_GLES_3_2) +#define FFXM_SHADER_PLATFORM_GLES_3_2 (0) +#endif + +/// A define for a true value in a boolean expression. +/// +/// @ingroup GPUCore +#define FFXM_TRUE (true) + +/// A define for a false value in a boolean expression. +/// +/// @ingroup GPUCore +#define FFXM_FALSE (false) + +/// A define value for positive infinity. +/// +/// @ingroup GPUCore +#define FFXM_POSITIVE_INFINITY_FLOAT ffxAsFloat(0x7f800000u) + +/// A define value for negative infinity. +/// +/// @ingroup GPUCore +#define FFXM_NEGATIVE_INFINITY_FLOAT ffxAsFloat(0xff800000u) + +/// A define value for PI. +/// +/// @ingroup GPUCore +#define FFXM_PI (3.14159) + + +/// Compute the reciprocal of value. +/// +/// @param [in] value The value to compute the reciprocal of. +/// +/// @returns +/// The 1 / value. +/// +/// @ingroup GPUCore +FfxFloat32 ffxReciprocal(FfxFloat32 value) +{ + return rcp(value); +} + +/// Compute the reciprocal of value. +/// +/// @param [in] value The value to compute the reciprocal of. +/// +/// @returns +/// The 1 / value. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxReciprocal(FfxFloat32x2 value) +{ + return rcp(value); +} + +/// Compute the reciprocal of value. +/// +/// @param [in] value The value to compute the reciprocal of. +/// +/// @returns +/// The 1 / value. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxReciprocal(FfxFloat32x3 value) +{ + return rcp(value); +} + +/// Compute the reciprocal of value. +/// +/// @param [in] value The value to compute the reciprocal of. +/// +/// @returns +/// The 1 / value. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxReciprocal(FfxFloat32x4 value) +{ + return rcp(value); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32 ffxMin(FfxFloat32 x, FfxFloat32 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxMin(FfxFloat32x2 x, FfxFloat32x2 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxMin(FfxFloat32x3 x, FfxFloat32x3 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxMin(FfxFloat32x4 x, FfxFloat32x4 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32 ffxMin(FfxInt32 x, FfxInt32 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32x2 ffxMin(FfxInt32x2 x, FfxInt32x2 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32x3 ffxMin(FfxInt32x3 x, FfxInt32x3 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32x4 ffxMin(FfxInt32x4 x, FfxInt32x4 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32 ffxMin(FfxUInt32 x, FfxUInt32 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxMin(FfxUInt32x2 x, FfxUInt32x2 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32x3 ffxMin(FfxUInt32x3 x, FfxUInt32x3 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32x4 ffxMin(FfxUInt32x4 x, FfxUInt32x4 y) +{ + return min(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32 ffxMax(FfxFloat32 x, FfxFloat32 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxMax(FfxFloat32x2 x, FfxFloat32x2 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxMax(FfxFloat32x3 x, FfxFloat32x3 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxMax(FfxFloat32x4 x, FfxFloat32x4 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32 ffxMax(FfxInt32 x, FfxInt32 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32x2 ffxMax(FfxInt32x2 x, FfxInt32x2 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32x3 ffxMax(FfxInt32x3 x, FfxInt32x3 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt32x4 ffxMax(FfxInt32x4 x, FfxInt32x4 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32 ffxMax(FfxUInt32 x, FfxUInt32 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxMax(FfxUInt32x2 x, FfxUInt32x2 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32x3 ffxMax(FfxUInt32x3 x, FfxUInt32x3 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt32x4 ffxMax(FfxUInt32x4 x, FfxUInt32x4 y) +{ + return max(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat32 ffxPow(FfxFloat32 x, FfxFloat32 y) +{ + return pow(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxPow(FfxFloat32x2 x, FfxFloat32x2 y) +{ + return pow(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxPow(FfxFloat32x3 x, FfxFloat32x3 y) +{ + return pow(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxPow(FfxFloat32x4 x, FfxFloat32x4 y) +{ + return pow(x, y); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat32 ffxSqrt(FfxFloat32 x) +{ + return sqrt(x); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxSqrt(FfxFloat32x2 x) +{ + return sqrt(x); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxSqrt(FfxFloat32x3 x) +{ + return sqrt(x); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxSqrt(FfxFloat32x4 x) +{ + return sqrt(x); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat32 ffxCopySignBit(FfxFloat32 d, FfxFloat32 s) +{ + return ffxAsFloat(ffxAsUInt32(d) | (ffxAsUInt32(s) & FfxUInt32(0x80000000u))); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxCopySignBit(FfxFloat32x2 d, FfxFloat32x2 s) +{ + return ffxAsFloat(ffxAsUInt32(d) | (ffxAsUInt32(s) & ffxBroadcast2(0x80000000u))); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxCopySignBit(FfxFloat32x3 d, FfxFloat32x3 s) +{ + return ffxAsFloat(ffxAsUInt32(d) | (ffxAsUInt32(s) & ffxBroadcast3(0x80000000u))); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxCopySignBit(FfxFloat32x4 d, FfxFloat32x4 s) +{ + return ffxAsFloat(ffxAsUInt32(d) | (ffxAsUInt32(s) & ffxBroadcast4(0x80000000u))); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat32 ffxIsSigned(FfxFloat32 m) +{ + return ffxSaturate(m * FfxFloat32(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxIsSigned(FfxFloat32x2 m) +{ + return ffxSaturate(m * ffxBroadcast2(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxIsSigned(FfxFloat32x3 m) +{ + return ffxSaturate(m * ffxBroadcast3(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against for have the sign set. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or positive. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxIsSigned(FfxFloat32x4 m) +{ + return ffxSaturate(m * ffxBroadcast4(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat32 ffxIsGreaterThanZero(FfxFloat32 m) +{ + return ffxSaturate(m * FfxFloat32(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxIsGreaterThanZero(FfxFloat32x2 m) +{ + return ffxSaturate(m * ffxBroadcast2(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxIsGreaterThanZero(FfxFloat32x3 m) +{ + return ffxSaturate(m * ffxBroadcast3(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxIsGreaterThanZero(FfxFloat32x4 m) +{ + return ffxSaturate(m * ffxBroadcast4(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// Convert a 32bit floating point value to sortable integer. +/// +/// - If sign bit=0, flip the sign bit (positives). +/// - If sign bit=1, flip all bits (negatives). +/// +/// The function has the side effects that: +/// - Larger integers are more positive values. +/// - Float zero is mapped to center of integers (so clear to integer zero is a nice default for atomic max usage). +/// +/// @param [in] value The floating point value to make sortable. +/// +/// @returns +/// The sortable integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxFloatToSortableInteger(FfxUInt32 value) +{ + return value ^ ((AShrSU1(value, FfxUInt32(31))) | FfxUInt32(0x80000000)); +} + +/// Convert a sortable integer to a 32bit floating point value. +/// +/// The function has the side effects that: +/// - If sign bit=1, flip the sign bit (positives). +/// - If sign bit=0, flip all bits (negatives). +/// +/// @param [in] value The floating point value to make sortable. +/// +/// @returns +/// The sortable integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxSortableIntegerToFloat(FfxUInt32 value) +{ + return value ^ ((~AShrSU1(value, FfxUInt32(31))) | FfxUInt32(0x80000000)); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateSqrt(FfxFloat32 value) +{ + return ffxAsFloat((ffxAsUInt32(value) >> FfxUInt32(1)) + FfxUInt32(0x1fbc4639)); +} + +/// Calculate a low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateReciprocal(FfxFloat32 value) +{ + return ffxAsFloat(FfxUInt32(0x7ef07ebb) - ffxAsUInt32(value)); +} + +/// Calculate a medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateReciprocalMedium(FfxFloat32 value) +{ + FfxFloat32 b = ffxAsFloat(FfxUInt32(0x7ef19fff) - ffxAsUInt32(value)); + return b * (-b * value + FfxFloat32(2.0)); +} + +/// Calculate a low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal square root for. +/// +/// @returns +/// An approximation of the reciprocal square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateReciprocalSquareRoot(FfxFloat32 value) +{ + return ffxAsFloat(FfxUInt32(0x5f347d74) - (ffxAsUInt32(value) >> FfxUInt32(1))); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateSqrt(FfxFloat32x2 value) +{ + return ffxAsFloat((ffxAsUInt32(value) >> ffxBroadcast2(1u)) + ffxBroadcast2(0x1fbc4639u)); +} + +/// Calculate a low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateReciprocal(FfxFloat32x2 value) +{ + return ffxAsFloat(ffxBroadcast2(0x7ef07ebbu) - ffxAsUInt32(value)); +} + +/// Calculate a medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateReciprocalMedium(FfxFloat32x2 value) +{ + FfxFloat32x2 b = ffxAsFloat(ffxBroadcast2(0x7ef19fffu) - ffxAsUInt32(value)); + return b * (-b * value + ffxBroadcast2(2.0f)); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateReciprocalSquareRoot(FfxFloat32x2 value) +{ + return ffxAsFloat(ffxBroadcast2(0x5f347d74u) - (ffxAsUInt32(value) >> ffxBroadcast2(1u))); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateSqrt(FfxFloat32x3 value) +{ + return ffxAsFloat((ffxAsUInt32(value) >> ffxBroadcast3(1u)) + ffxBroadcast3(0x1fbc4639u)); +} + +/// Calculate a low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateReciprocal(FfxFloat32x3 value) +{ + return ffxAsFloat(ffxBroadcast3(0x7ef07ebbu) - ffxAsUInt32(value)); +} + +/// Calculate a medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateReciprocalMedium(FfxFloat32x3 value) +{ + FfxFloat32x3 b = ffxAsFloat(ffxBroadcast3(0x7ef19fffu) - ffxAsUInt32(value)); + return b * (-b * value + ffxBroadcast3(2.0f)); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateReciprocalSquareRoot(FfxFloat32x3 value) +{ + return ffxAsFloat(ffxBroadcast3(0x5f347d74u) - (ffxAsUInt32(value) >> ffxBroadcast3(1u))); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateSqrt(FfxFloat32x4 value) +{ + return ffxAsFloat((ffxAsUInt32(value) >> ffxBroadcast4(1u)) + ffxBroadcast4(0x1fbc4639u)); +} + +/// Calculate a low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateReciprocal(FfxFloat32x4 value) +{ + return ffxAsFloat(ffxBroadcast4(0x7ef07ebbu) - ffxAsUInt32(value)); +} + +/// Calculate a medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateReciprocalMedium(FfxFloat32x4 value) +{ + FfxFloat32x4 b = ffxAsFloat(ffxBroadcast4(0x7ef19fffu) - ffxAsUInt32(value)); + return b * (-b * value + ffxBroadcast4(2.0f)); +} + +/// Calculate a low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] value The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateReciprocalSquareRoot(FfxFloat32x4 value) +{ + return ffxAsFloat(ffxBroadcast4(0x5f347d74u) - (ffxAsUInt32(value) >> ffxBroadcast4(1u))); +} + +/// Calculate dot product of 'a' and 'b'. +/// +/// @param [in] a First vector input. +/// @param [in] b Second vector input. +/// +/// @returns +/// The value of a dot b. +/// +/// @ingroup GPUCore +FfxFloat32 ffxDot2(FfxFloat32x2 a, FfxFloat32x2 b) +{ + return dot(a, b); +} + +/// Calculate dot product of 'a' and 'b'. +/// +/// @param [in] a First vector input. +/// @param [in] b Second vector input. +/// +/// @returns +/// The value of a dot b. +/// +/// @ingroup GPUCore +FfxFloat32 ffxDot3(FfxFloat32x3 a, FfxFloat32x3 b) +{ + return dot(a, b); +} + +/// Calculate dot product of 'a' and 'b'. +/// +/// @param [in] a First vector input. +/// @param [in] b Second vector input. +/// +/// @returns +/// The value of a dot b. +/// +/// @ingroup GPUCore +FfxFloat32 ffxDot4(FfxFloat32x4 a, FfxFloat32x4 b) +{ + return dot(a, b); +} + + +/// Compute an approximate conversion from PQ to Gamma2 space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and Gamma2. +/// +/// @returns +/// The value a converted into Gamma2. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximatePQToGamma2Medium(FfxFloat32 a) +{ + return a * a * a * a; +} + +/// Compute an approximate conversion from PQ to linear space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and linear. +/// +/// @returns +/// The value a converted into linear. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximatePQToLinear(FfxFloat32 a) +{ + return a * a * a * a * a * a * a * a; +} + +/// Compute an approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateGamma2ToPQ(FfxFloat32 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> FfxUInt32(2)) + FfxUInt32(0x2F9A4E46)); +} + +/// Compute a more accurate approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateGamma2ToPQMedium(FfxFloat32 a) +{ + FfxFloat32 b = ffxAsFloat((ffxAsUInt32(a) >> FfxUInt32(2)) + FfxUInt32(0x2F9A4E46)); + FfxFloat32 b4 = b * b * b * b; + return b - b * (b4 - a) / (FfxFloat32(4.0) * b4); +} + +/// Compute a high accuracy approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateGamma2ToPQHigh(FfxFloat32 a) +{ + return ffxSqrt(ffxSqrt(a)); +} + +/// Compute an approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateLinearToPQ(FfxFloat32 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> FfxUInt32(3)) + FfxUInt32(0x378D8723)); +} + +/// Compute a more accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateLinearToPQMedium(FfxFloat32 a) +{ + FfxFloat32 b = ffxAsFloat((ffxAsUInt32(a) >> FfxUInt32(3)) + FfxUInt32(0x378D8723)); + FfxFloat32 b8 = b * b * b * b * b * b * b * b; + return b - b * (b8 - a) / (FfxFloat32(8.0) * b8); +} + +/// Compute a very accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32 ffxApproximateLinearToPQHigh(FfxFloat32 a) +{ + return ffxSqrt(ffxSqrt(ffxSqrt(a))); +} + +/// Compute an approximate conversion from PQ to Gamma2 space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and Gamma2. +/// +/// @returns +/// The value a converted into Gamma2. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximatePQToGamma2Medium(FfxFloat32x2 a) +{ + return a * a * a * a; +} + +/// Compute an approximate conversion from PQ to linear space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and linear. +/// +/// @returns +/// The value a converted into linear. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximatePQToLinear(FfxFloat32x2 a) +{ + return a * a * a * a * a * a * a * a; +} + +/// Compute an approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateGamma2ToPQ(FfxFloat32x2 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast2(2u)) + ffxBroadcast2(0x2F9A4E46u)); +} + +/// Compute a more accurate approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateGamma2ToPQMedium(FfxFloat32x2 a) +{ + FfxFloat32x2 b = ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast2(2u)) + ffxBroadcast2(0x2F9A4E46u)); + FfxFloat32x2 b4 = b * b * b * b; + return b - b * (b4 - a) / (FfxFloat32(4.0) * b4); +} + +/// Compute a high accuracy approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateGamma2ToPQHigh(FfxFloat32x2 a) +{ + return ffxSqrt(ffxSqrt(a)); +} + +/// Compute an approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateLinearToPQ(FfxFloat32x2 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast2(3u)) + ffxBroadcast2(0x378D8723u)); +} + +/// Compute a more accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateLinearToPQMedium(FfxFloat32x2 a) +{ + FfxFloat32x2 b = ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast2(3u)) + ffxBroadcast2(0x378D8723u)); + FfxFloat32x2 b8 = b * b * b * b * b * b * b * b; + return b - b * (b8 - a) / (FfxFloat32(8.0) * b8); +} + +/// Compute a very accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxApproximateLinearToPQHigh(FfxFloat32x2 a) +{ + return ffxSqrt(ffxSqrt(ffxSqrt(a))); +} + +/// Compute an approximate conversion from PQ to Gamma2 space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and Gamma2. +/// +/// @returns +/// The value a converted into Gamma2. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximatePQToGamma2Medium(FfxFloat32x3 a) +{ + return a * a * a * a; +} + +/// Compute an approximate conversion from PQ to linear space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and linear. +/// +/// @returns +/// The value a converted into linear. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximatePQToLinear(FfxFloat32x3 a) +{ + return a * a * a * a * a * a * a * a; +} + +/// Compute an approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateGamma2ToPQ(FfxFloat32x3 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast3(2u)) + ffxBroadcast3(0x2F9A4E46u)); +} + +/// Compute a more accurate approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateGamma2ToPQMedium(FfxFloat32x3 a) +{ + FfxFloat32x3 b = ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast3(2u)) + ffxBroadcast3(0x2F9A4E46u)); + FfxFloat32x3 b4 = b * b * b * b; + return b - b * (b4 - a) / (FfxFloat32(4.0) * b4); +} + +/// Compute a high accuracy approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateGamma2ToPQHigh(FfxFloat32x3 a) +{ + return ffxSqrt(ffxSqrt(a)); +} + +/// Compute an approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateLinearToPQ(FfxFloat32x3 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast3(3u)) + ffxBroadcast3(0x378D8723u)); +} + +/// Compute a more accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateLinearToPQMedium(FfxFloat32x3 a) +{ + FfxFloat32x3 b = ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast3(3u)) + ffxBroadcast3(0x378D8723u)); + FfxFloat32x3 b8 = b * b * b * b * b * b * b * b; + return b - b * (b8 - a) / (FfxFloat32(8.0) * b8); +} + +/// Compute a very accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxApproximateLinearToPQHigh(FfxFloat32x3 a) +{ + return ffxSqrt(ffxSqrt(ffxSqrt(a))); +} + +/// Compute an approximate conversion from PQ to Gamma2 space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and Gamma2. +/// +/// @returns +/// The value a converted into Gamma2. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximatePQToGamma2Medium(FfxFloat32x4 a) +{ + return a * a * a * a; +} + +/// Compute an approximate conversion from PQ to linear space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between PQ and linear. +/// +/// @returns +/// The value a converted into linear. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximatePQToLinear(FfxFloat32x4 a) +{ + return a * a * a * a * a * a * a * a; +} + +/// Compute an approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateGamma2ToPQ(FfxFloat32x4 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast4(2u)) + ffxBroadcast4(0x2F9A4E46u)); +} + +/// Compute a more accurate approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateGamma2ToPQMedium(FfxFloat32x4 a) +{ + FfxFloat32x4 b = ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast4(2u)) + ffxBroadcast4(0x2F9A4E46u)); + FfxFloat32x4 b4 = b * b * b * b * b * b * b * b; + return b - b * (b4 - a) / (FfxFloat32(4.0) * b4); +} + +/// Compute a high accuracy approximate conversion from gamma2 to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between gamma2 and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateGamma2ToPQHigh(FfxFloat32x4 a) +{ + return ffxSqrt(ffxSqrt(a)); +} + +/// Compute an approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateLinearToPQ(FfxFloat32x4 a) +{ + return ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast4(3u)) + ffxBroadcast4(0x378D8723u)); +} + +/// Compute a more accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateLinearToPQMedium(FfxFloat32x4 a) +{ + FfxFloat32x4 b = ffxAsFloat((ffxAsUInt32(a) >> ffxBroadcast4(3u)) + ffxBroadcast4(0x378D8723u)); + FfxFloat32x4 b8 = b * b * b * b * b * b * b * b; + return b - b * (b8 - a) / (FfxFloat32(8.0) * b8); +} + +/// Compute a very accurate approximate conversion from linear to PQ space. +/// +/// PQ is very close to x^(1/8). The functions below Use the fast FfxFloat32 approximation method to do +/// PQ conversions to and from Gamma2 (4th power and fast 4th root), and PQ to and from Linear +/// (8th power and fast 8th root). The maximum error is approximately 0.2%. +/// +/// @param a The value to convert between linear and PQ. +/// +/// @returns +/// The value a converted into PQ. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxApproximateLinearToPQHigh(FfxFloat32x4 a) +{ + return ffxSqrt(ffxSqrt(ffxSqrt(a))); +} + +// An approximation of sine. +// +// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +// is {-1/4 to 1/4} representing {-1 to 1}. +// +// @param [in] value The value to calculate approximate sine for. +// +// @returns +// The approximate sine of value. +FfxFloat32 ffxParabolicSin(FfxFloat32 value) +{ + return value * abs(value) - value; +} + +// An approximation of sine. +// +// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +// is {-1/4 to 1/4} representing {-1 to 1}. +// +// @param [in] value The value to calculate approximate sine for. +// +// @returns +// The approximate sine of value. +FfxFloat32x2 ffxParabolicSin(FfxFloat32x2 x) +{ + return x * abs(x) - x; +} + +// An approximation of cosine. +// +// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +// is {-1/4 to 1/4} representing {-1 to 1}. +// +// @param [in] value The value to calculate approximate cosine for. +// +// @returns +// The approximate cosine of value. +FfxFloat32 ffxParabolicCos(FfxFloat32 x) +{ + x = ffxFract(x * FfxFloat32(0.5) + FfxFloat32(0.75)); + x = x * FfxFloat32(2.0) - FfxFloat32(1.0); + return ffxParabolicSin(x); +} + +// An approximation of cosine. +// +// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +// is {-1/4 to 1/4} representing {-1 to 1}. +// +// @param [in] value The value to calculate approximate cosine for. +// +// @returns +// The approximate cosine of value. +FfxFloat32x2 ffxParabolicCos(FfxFloat32x2 x) +{ + x = ffxFract(x * ffxBroadcast2(0.5f) + ffxBroadcast2(0.75f)); + x = x * ffxBroadcast2(2.0f) - ffxBroadcast2(1.0f); + return ffxParabolicSin(x); +} + +// An approximation of both sine and cosine. +// +// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +// is {-1/4 to 1/4} representing {-1 to 1}. +// +// @param [in] value The value to calculate approximate cosine for. +// +// @returns +// A FfxFloat32x2 containing approximations of both sine and cosine of value. +FfxFloat32x2 ffxParabolicSinCos(FfxFloat32 x) +{ + FfxFloat32 y = ffxFract(x * FfxFloat32(0.5) + FfxFloat32(0.75)); + y = y * FfxFloat32(2.0) - FfxFloat32(1.0); + return ffxParabolicSin(FfxFloat32x2(x, y)); +} + +/// Conditional free logic AND operation using values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt32 ffxZeroOneAnd(FfxUInt32 x, FfxUInt32 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxZeroOneAnd(FfxUInt32x2 x, FfxUInt32x2 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt32x3 ffxZeroOneAnd(FfxUInt32x3 x, FfxUInt32x3 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt32x4 ffxZeroOneAnd(FfxUInt32x4 x, FfxUInt32x4 y) +{ + return min(x, y); +} + +/// Conditional free logic NOT operation using two values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt32 ffxZeroOneAnd(FfxUInt32 x) +{ + return x ^ FfxUInt32(1); +} + +/// Conditional free logic NOT operation using two values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxZeroOneAnd(FfxUInt32x2 x) +{ + return x ^ ffxBroadcast2(1u); +} + +/// Conditional free logic NOT operation using two values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt32x3 ffxZeroOneAnd(FfxUInt32x3 x) +{ + return x ^ ffxBroadcast3(1u); +} + +/// Conditional free logic NOT operation using two values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt32x4 ffxZeroOneAnd(FfxUInt32x4 x) +{ + return x ^ ffxBroadcast4(1u); +} + +/// Conditional free logic OR operation using two values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt32 ffxZeroOneOr(FfxUInt32 x, FfxUInt32 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxZeroOneOr(FfxUInt32x2 x, FfxUInt32x2 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt32x3 ffxZeroOneOr(FfxUInt32x3 x, FfxUInt32x3 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt32x4 ffxZeroOneOr(FfxUInt32x4 x, FfxUInt32x4 y) +{ + return max(x, y); +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxUInt32 ffxZeroOneAndToU1(FfxFloat32 x) +{ + return FfxUInt32(FfxFloat32(1.0) - x); +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxZeroOneAndToU2(FfxFloat32x2 x) +{ + return FfxUInt32x2(ffxBroadcast2(1.0) - x); +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxUInt32x3 ffxZeroOneAndToU3(FfxFloat32x3 x) +{ + return FfxUInt32x3(ffxBroadcast3(1.0) - x); +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxUInt32x4 ffxZeroOneAndToU4(FfxFloat32x4 x) +{ + return FfxUInt32x4(ffxBroadcast4(1.0) - x); +} + +/// Conditional free logic AND operation using two values followed by a NOT operation +/// using the resulting value and a third value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32 ffxZeroOneAndOr(FfxFloat32 x, FfxFloat32 y, FfxFloat32 z) +{ + return ffxSaturate(x * y + z); +} + +/// Conditional free logic AND operation using two values followed by a NOT operation +/// using the resulting value and a third value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxZeroOneAndOr(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32x2 z) +{ + return ffxSaturate(x * y + z); +} + +/// Conditional free logic AND operation using two values followed by a NOT operation +/// using the resulting value and a third value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxZeroOneAndOr(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32x3 z) +{ + return ffxSaturate(x * y + z); +} + +/// Conditional free logic AND operation using two values followed by a NOT operation +/// using the resulting value and a third value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxZeroOneAndOr(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32x4 z) +{ + return ffxSaturate(x * y + z); +} + +/// Given a value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat32 ffxZeroOneIsGreaterThanZero(FfxFloat32 x) +{ + return ffxSaturate(x * FfxFloat32(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// Given a value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxZeroOneIsGreaterThanZero(FfxFloat32x2 x) +{ + return ffxSaturate(x * ffxBroadcast2(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// Given a value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxZeroOneIsGreaterThanZero(FfxFloat32x3 x) +{ + return ffxSaturate(x * ffxBroadcast3(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// Given a value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxZeroOneIsGreaterThanZero(FfxFloat32x4 x) +{ + return ffxSaturate(x * ffxBroadcast4(FFXM_POSITIVE_INFINITY_FLOAT)); +} + +/// Conditional free logic signed NOT operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32 ffxZeroOneAnd(FfxFloat32 x) +{ + return FfxFloat32(1.0) - x; +} + +/// Conditional free logic signed NOT operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxZeroOneAnd(FfxFloat32x2 x) +{ + return ffxBroadcast2(1.0) - x; +} + +/// Conditional free logic signed NOT operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxZeroOneAnd(FfxFloat32x3 x) +{ + return ffxBroadcast3(1.0) - x; +} + +/// Conditional free logic signed NOT operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxZeroOneAnd(FfxFloat32x4 x) +{ + return ffxBroadcast4(1.0) - x; +} + +/// Conditional free logic OR operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat32 ffxZeroOneOr(FfxFloat32 x, FfxFloat32 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxZeroOneOr(FfxFloat32x2 x, FfxFloat32x2 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxZeroOneOr(FfxFloat32x3 x, FfxFloat32x3 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxZeroOneOr(FfxFloat32x4 x, FfxFloat32x4 y) +{ + return max(x, y); +} + +/// Choose between two FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat32 ffxZeroOneSelect(FfxFloat32 x, FfxFloat32 y, FfxFloat32 z) +{ + FfxFloat32 r = (-x) * z + z; + return x * y + r; +} + +/// Choose between two FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxZeroOneSelect(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32x2 z) +{ + FfxFloat32x2 r = (-x) * z + z; + return x * y + r; +} + +/// Choose between two FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxZeroOneSelect(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32x3 z) +{ + FfxFloat32x3 r = (-x) * z + z; + return x * y + r; +} + +/// Choose between two FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxZeroOneSelect(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32x4 z) +{ + FfxFloat32x4 r = (-x) * z + z; + return x * y + r; +} + +/// Given a value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat32 ffxZeroOneIsSigned(FfxFloat32 x) +{ + return ffxSaturate(x * FfxFloat32(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// Given a value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxZeroOneIsSigned(FfxFloat32x2 x) +{ + return ffxSaturate(x * ffxBroadcast2(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// Given a value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxZeroOneIsSigned(FfxFloat32x3 x) +{ + return ffxSaturate(x * ffxBroadcast3(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// Given a value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat32x4 ffxZeroOneIsSigned(FfxFloat32x4 x) +{ + return ffxSaturate(x * ffxBroadcast4(FFXM_NEGATIVE_INFINITY_FLOAT)); +} + +/// Compute a Rec.709 color space. +/// +/// Rec.709 is used for some HDTVs. +/// +/// Both Rec.709 and sRGB have a linear segment which as spec'ed would intersect the curved segment 2 times. +/// (a.) For 8-bit sRGB, steps {0 to 10.3} are in the linear region (4% of the encoding range). +/// (b.) For 8-bit 709, steps {0 to 20.7} are in the linear region (8% of the encoding range). +/// +/// @param [in] color The color to convert to Rec. 709. +/// +/// @returns +/// The color in linear space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxRec709FromLinear(FfxFloat32 color) +{ + FfxFloat32x3 j = FfxFloat32x3(0.018 * 4.5, 4.5, 0.45); + FfxFloat32x2 k = FfxFloat32x2(1.099, -0.099); + return clamp(j.x, color * j.y, pow(color, j.z) * k.x + k.y); +} + +/// Compute a Rec.709 color space. +/// +/// Rec.709 is used for some HDTVs. +/// +/// Both Rec.709 and sRGB have a linear segment which as spec'ed would intersect the curved segment 2 times. +/// (a.) For 8-bit sRGB, steps {0 to 10.3} are in the linear region (4% of the encoding range). +/// (b.) For 8-bit 709, steps {0 to 20.7} are in the linear region (8% of the encoding range). +/// +/// @param [in] color The color to convert to Rec. 709. +/// +/// @returns +/// The color in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxRec709FromLinear(FfxFloat32x2 color) +{ + FfxFloat32x3 j = FfxFloat32x3(0.018 * 4.5, 4.5, 0.45); + FfxFloat32x2 k = FfxFloat32x2(1.099, -0.099); + return clamp(j.xx, color * j.yy, pow(color, j.zz) * k.xx + k.yy); +} + +/// Compute a Rec.709 color space. +/// +/// Rec.709 is used for some HDTVs. +/// +/// Both Rec.709 and sRGB have a linear segment which as spec'ed would intersect the curved segment 2 times. +/// (a.) For 8-bit sRGB, steps {0 to 10.3} are in the linear region (4% of the encoding range). +/// (b.) For 8-bit 709, steps {0 to 20.7} are in the linear region (8% of the encoding range). +/// +/// @param [in] color The color to convert to Rec. 709. +/// +/// @returns +/// The color in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxRec709FromLinear(FfxFloat32x3 color) +{ + FfxFloat32x3 j = FfxFloat32x3(0.018 * 4.5, 4.5, 0.45); + FfxFloat32x2 k = FfxFloat32x2(1.099, -0.099); + return clamp(j.xxx, color * j.yyy, pow(color, j.zzz) * k.xxx + k.yyy); +} + +/// Compute a gamma value from a linear value. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// Note: 'rcpX' is '1/x', where the 'x' is what would be used in ffxLinearFromGamma. +/// +/// @param [in] value The value to convert to gamma space from linear. +/// @param [in] power The reciprocal of power value used for the gamma curve. +/// +/// @returns +/// A value in gamma space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxGammaFromLinear(FfxFloat32 value, FfxFloat32 power) +{ + return pow(value, FfxFloat32(power)); +} + +/// Compute a gamma value from a linear value. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// Note: 'rcpX' is '1/x', where the 'x' is what would be used in ffxLinearFromGamma. +/// +/// @param [in] value The value to convert to gamma space from linear. +/// @param [in] power The reciprocal of power value used for the gamma curve. +/// +/// @returns +/// A value in gamma space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxGammaFromLinear(FfxFloat32x2 value, FfxFloat32 power) +{ + return pow(value, ffxBroadcast2(power)); +} + +/// Compute a gamma value from a linear value. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// Note: 'rcpX' is '1/x', where the 'x' is what would be used in ffxLinearFromGamma. +/// +/// @param [in] value The value to convert to gamma space from linear. +/// @param [in] power The reciprocal of power value used for the gamma curve. +/// +/// @returns +/// A value in gamma space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxGammaFromLinear(FfxFloat32x3 value, FfxFloat32 power) +{ + return pow(value, ffxBroadcast3(power)); +} + +/// Compute a PQ value from a linear value. +/// +/// @param [in] value The value to convert to PQ from linear. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxPQToLinear(FfxFloat32 value) +{ + FfxFloat32 p = pow(value, FfxFloat32(0.159302)); + return pow((FfxFloat32(0.835938) + FfxFloat32(18.8516) * p) / (FfxFloat32(1.0) + FfxFloat32(18.6875) * p), FfxFloat32(78.8438)); +} + +/// Compute a PQ value from a linear value. +/// +/// @param [in] value The value to convert to PQ from linear. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxPQToLinear(FfxFloat32x2 value) +{ + FfxFloat32x2 p = pow(value, ffxBroadcast2(0.159302)); + return pow((ffxBroadcast2(0.835938) + ffxBroadcast2(18.8516) * p) / (ffxBroadcast2(1.0) + ffxBroadcast2(18.6875) * p), ffxBroadcast2(78.8438)); +} + +/// Compute a PQ value from a linear value. +/// +/// @param [in] value The value to convert to PQ from linear. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxPQToLinear(FfxFloat32x3 value) +{ + FfxFloat32x3 p = pow(value, ffxBroadcast3(0.159302)); + return pow((ffxBroadcast3(0.835938) + ffxBroadcast3(18.8516) * p) / (ffxBroadcast3(1.0) + ffxBroadcast3(18.6875) * p), ffxBroadcast3(78.8438)); +} + +/// Compute a linear value from a SRGB value. +/// +/// @param [in] value The value to convert to linear from SRGB. +/// +/// @returns +/// A value in SRGB space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxSrgbToLinear(FfxFloat32 value) +{ + FfxFloat32x3 j = FfxFloat32x3(0.0031308 * 12.92, 12.92, 1.0 / 2.4); + FfxFloat32x2 k = FfxFloat32x2(1.055, -0.055); + return clamp(j.x, value * j.y, pow(value, j.z) * k.x + k.y); +} + +/// Compute a linear value from a SRGB value. +/// +/// @param [in] value The value to convert to linear from SRGB. +/// +/// @returns +/// A value in SRGB space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxSrgbToLinear(FfxFloat32x2 value) +{ + FfxFloat32x3 j = FfxFloat32x3(0.0031308 * 12.92, 12.92, 1.0 / 2.4); + FfxFloat32x2 k = FfxFloat32x2(1.055, -0.055); + return clamp(j.xx, value * j.yy, pow(value, j.zz) * k.xx + k.yy); +} + +/// Compute a linear value from a SRGB value. +/// +/// @param [in] value The value to convert to linear from SRGB. +/// +/// @returns +/// A value in SRGB space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxSrgbToLinear(FfxFloat32x3 value) +{ + FfxFloat32x3 j = FfxFloat32x3(0.0031308 * 12.92, 12.92, 1.0 / 2.4); + FfxFloat32x2 k = FfxFloat32x2(1.055, -0.055); + return clamp(j.xxx, value * j.yyy, pow(value, j.zzz) * k.xxx + k.yyy); +} + +/// Compute a linear value from a REC.709 value. +/// +/// @param [in] color The value to convert to linear from REC.709. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxLinearFromRec709(FfxFloat32 color) +{ + FfxFloat32x3 j = FfxFloat32x3(0.081 / 4.5, 1.0 / 4.5, 1.0 / 0.45); + FfxFloat32x2 k = FfxFloat32x2(1.0 / 1.099, 0.099 / 1.099); + return ffxZeroOneSelect(ffxZeroOneIsSigned(color - j.x), color * j.y, pow(color * k.x + k.y, j.z)); +} + +/// Compute a linear value from a REC.709 value. +/// +/// @param [in] color The value to convert to linear from REC.709. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxLinearFromRec709(FfxFloat32x2 color) +{ + FfxFloat32x3 j = FfxFloat32x3(0.081 / 4.5, 1.0 / 4.5, 1.0 / 0.45); + FfxFloat32x2 k = FfxFloat32x2(1.0 / 1.099, 0.099 / 1.099); + return ffxZeroOneSelect(ffxZeroOneIsSigned(color - j.xx), color * j.yy, pow(color * k.xx + k.yy, j.zz)); +} + +/// Compute a linear value from a REC.709 value. +/// +/// @param [in] color The value to convert to linear from REC.709. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxLinearFromRec709(FfxFloat32x3 color) +{ + FfxFloat32x3 j = FfxFloat32x3(0.081 / 4.5, 1.0 / 4.5, 1.0 / 0.45); + FfxFloat32x2 k = FfxFloat32x2(1.0 / 1.099, 0.099 / 1.099); + return ffxZeroOneSelect(ffxZeroOneIsSigned(color - j.xxx), color * j.yyy, pow(color * k.xxx + k.yyy, j.zzz)); +} + +/// Compute a linear value from a value in a gamma space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] color The value to convert to linear in gamma space. +/// @param [in] power The power value used for the gamma curve. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxLinearFromGamma(FfxFloat32 color, FfxFloat32 power) +{ + return pow(color, FfxFloat32(power)); +} + +/// Compute a linear value from a value in a gamma space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] color The value to convert to linear in gamma space. +/// @param [in] power The power value used for the gamma curve. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxLinearFromGamma(FfxFloat32x2 color, FfxFloat32 power) +{ + return pow(color, ffxBroadcast2(power)); +} + +/// Compute a linear value from a value in a gamma space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] color The value to convert to linear in gamma space. +/// @param [in] power The power value used for the gamma curve. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxLinearFromGamma(FfxFloat32x3 color, FfxFloat32 power) +{ + return pow(color, ffxBroadcast3(power)); +} + +/// Compute a linear value from a value in a PQ space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] value The value to convert to linear in PQ space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxLinearFromPQ(FfxFloat32 value) +{ + FfxFloat32 p = pow(value, FfxFloat32(0.0126833)); + return pow(ffxSaturate(p - FfxFloat32(0.835938)) / (FfxFloat32(18.8516) - FfxFloat32(18.6875) * p), FfxFloat32(6.27739)); +} + +/// Compute a linear value from a value in a PQ space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] value The value to convert to linear in PQ space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxLinearFromPQ(FfxFloat32x2 value) +{ + FfxFloat32x2 p = pow(value, ffxBroadcast2(0.0126833)); + return pow(ffxSaturate(p - ffxBroadcast2(0.835938)) / (ffxBroadcast2(18.8516) - ffxBroadcast2(18.6875) * p), ffxBroadcast2(6.27739)); +} + +/// Compute a linear value from a value in a PQ space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] value The value to convert to linear in PQ space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxLinearFromPQ(FfxFloat32x3 value) +{ + FfxFloat32x3 p = pow(value, ffxBroadcast3(0.0126833)); + return pow(ffxSaturate(p - ffxBroadcast3(0.835938)) / (ffxBroadcast3(18.8516) - ffxBroadcast3(18.6875) * p), ffxBroadcast3(6.27739)); +} + +/// Compute a linear value from a value in a SRGB space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] value The value to convert to linear in SRGB space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32 ffxLinearFromSrgb(FfxFloat32 value) +{ + FfxFloat32x3 j = FfxFloat32x3(0.04045 / 12.92, 1.0 / 12.92, 2.4); + FfxFloat32x2 k = FfxFloat32x2(1.0 / 1.055, 0.055 / 1.055); + return ffxZeroOneSelect(ffxZeroOneIsSigned(value - j.x), value * j.y, pow(value * k.x + k.y, j.z)); +} + +/// Compute a linear value from a value in a SRGB space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] value The value to convert to linear in SRGB space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x2 ffxLinearFromSrgb(FfxFloat32x2 value) +{ + FfxFloat32x3 j = FfxFloat32x3(0.04045 / 12.92, 1.0 / 12.92, 2.4); + FfxFloat32x2 k = FfxFloat32x2(1.0 / 1.055, 0.055 / 1.055); + return ffxZeroOneSelect(ffxZeroOneIsSigned(value - j.xx), value * j.yy, pow(value * k.xx + k.yy, j.zz)); +} + +/// Compute a linear value from a value in a SRGB space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] value The value to convert to linear in SRGB space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat32x3 ffxLinearFromSrgb(FfxFloat32x3 value) +{ + FfxFloat32x3 j = FfxFloat32x3(0.04045 / 12.92, 1.0 / 12.92, 2.4); + FfxFloat32x2 k = FfxFloat32x2(1.0 / 1.055, 0.055 / 1.055); + return ffxZeroOneSelect(ffxZeroOneIsSigned(value - j.xxx), value * j.yyy, pow(value * k.xxx + k.yyy, j.zzz)); +} + +/// A remapping of 64x1 to 8x8 imposing rotated 2x2 pixel quads in quad linear. +/// +/// 543210 +/// ====== +/// ..xxx. +/// yy...y +/// +/// @param [in] a The input 1D coordinates to remap. +/// +/// @returns +/// The remapped 2D coordinates. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxRemapForQuad(FfxUInt32 a) +{ + return FfxUInt32x2(bitfieldExtract(a, 1u, 3u), bitfieldInsertMask(bitfieldExtract(a, 3u, 3u), a, 1u)); +} + +/// A helper function performing a remap 64x1 to 8x8 remapping which is necessary for 2D wave reductions. +/// +/// The 64-wide lane indices to 8x8 remapping is performed as follows: +/// +/// 00 01 08 09 10 11 18 19 +/// 02 03 0a 0b 12 13 1a 1b +/// 04 05 0c 0d 14 15 1c 1d +/// 06 07 0e 0f 16 17 1e 1f +/// 20 21 28 29 30 31 38 39 +/// 22 23 2a 2b 32 33 3a 3b +/// 24 25 2c 2d 34 35 3c 3d +/// 26 27 2e 2f 36 37 3e 3f +/// +/// @param [in] a The input 1D coordinate to remap. +/// +/// @returns +/// The remapped 2D coordinates. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxRemapForWaveReduction(FfxUInt32 a) +{ + return FfxUInt32x2(bitfieldInsertMask(bitfieldExtract(a, 2u, 3u), a, 1u), bitfieldInsertMask(bitfieldExtract(a, 3u, 3u), bitfieldExtract(a, 1u, 2u), 2u)); +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common.h.meta new file mode 100644 index 0000000..e85b1e0 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 049e52a8031c0c44f9c2b503e90b844e +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h new file mode 100644 index 0000000..3f8ac4b --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h @@ -0,0 +1,2978 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#if FFXM_HALF +#if FFXM_HLSL_6_2 +/// A define value for 16bit positive infinity. +/// +/// @ingroup GPUCore +#define FFXM_POSITIVE_INFINITY_HALF FFXM_TO_FLOAT16((uint16_t)0x7c00u) + +/// A define value for 16bit negative infinity. +/// +/// @ingroup GPUCore +#define FFXM_NEGATIVE_INFINITY_HALF FFXM_TO_FLOAT16((uint16_t)0xfc00u) +#else +/// A define value for 16bit positive infinity. +/// +/// @ingroup GPUCore +#define FFXM_POSITIVE_INFINITY_HALF FFXM_TO_FLOAT16(0x7c00u) + +/// A define value for 16bit negative infinity. +/// +/// @ingroup GPUCore +#define FFXM_NEGATIVE_INFINITY_HALF FFXM_TO_FLOAT16(0xfc00u) +#endif // FFXM_HLSL_6_2 + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16 ffxMin(FfxFloat16 x, FfxFloat16 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxMin(FfxFloat16x2 x, FfxFloat16x2 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxMin(FfxFloat16x3 x, FfxFloat16x3 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxMin(FfxFloat16x4 x, FfxFloat16x4 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16 ffxMin(FfxInt16 x, FfxInt16 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16x2 ffxMin(FfxInt16x2 x, FfxInt16x2 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16x3 ffxMin(FfxInt16x3 x, FfxInt16x3 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16x4 ffxMin(FfxInt16x4 x, FfxInt16x4 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16 ffxMin(FfxUInt16 x, FfxUInt16 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxMin(FfxUInt16x2 x, FfxUInt16x2 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16x3 ffxMin(FfxUInt16x3 x, FfxUInt16x3 y) +{ + return min(x, y); +} + +/// Compute the min of two values. +/// +/// @param [in] x The first value to compute the min of. +/// @param [in] y The second value to compute the min of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16x4 ffxMin(FfxUInt16x4 x, FfxUInt16x4 y) +{ + return min(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16 ffxMax(FfxFloat16 x, FfxFloat16 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxMax(FfxFloat16x2 x, FfxFloat16x2 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxMax(FfxFloat16x3 x, FfxFloat16x3 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxMax(FfxFloat16x4 x, FfxFloat16x4 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16 ffxMax(FfxInt16 x, FfxInt16 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16x2 ffxMax(FfxInt16x2 x, FfxInt16x2 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16x3 ffxMax(FfxInt16x3 x, FfxInt16x3 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxInt16x4 ffxMax(FfxInt16x4 x, FfxInt16x4 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16 ffxMax(FfxUInt16 x, FfxUInt16 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxMax(FfxUInt16x2 x, FfxUInt16x2 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16x3 ffxMax(FfxUInt16x3 x, FfxUInt16x3 y) +{ + return max(x, y); +} + +/// Compute the max of two values. +/// +/// @param [in] x The first value to compute the max of. +/// @param [in] y The second value to compute the max of. +/// +/// @returns +/// The the lowest of two values. +/// +/// @ingroup GPUCore +FfxUInt16x4 ffxMax(FfxUInt16x4 x, FfxUInt16x4 y) +{ + return max(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat16 ffxPow(FfxFloat16 x, FfxFloat16 y) +{ + return pow(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPow(FfxFloat16x2 x, FfxFloat16x2 y) +{ + return pow(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxPow(FfxFloat16x3 x, FfxFloat16x3 y) +{ + return pow(x, y); +} + +/// Compute the value of the first parameter raised to the power of the second. +/// +/// @param [in] x The value to raise to the power y. +/// @param [in] y The power to which to raise x. +/// +/// @returns +/// The value of the first parameter raised to the power of the second. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxPow(FfxFloat16x4 x, FfxFloat16x4 y) +{ + return pow(x, y); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat16 ffxSqrt(FfxFloat16 x) +{ + return sqrt(x); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxSqrt(FfxFloat16x2 x) +{ + return sqrt(x); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxSqrt(FfxFloat16x3 x) +{ + return sqrt(x); +} + +/// Compute the square root of a value. +/// +/// @param [in] x The first value to compute the min of. +/// +/// @returns +/// The the square root of x. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxSqrt(FfxFloat16x4 x) +{ + return sqrt(x); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat16 ffxCopySignBitHalf(FfxFloat16 d, FfxFloat16 s) +{ + return FFXM_TO_FLOAT16(FFXM_TO_UINT16(d) | (FFXM_TO_UINT16(s) & FFXM_BROADCAST_UINT16(0x8000u))); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxCopySignBitHalf(FfxFloat16x2 d, FfxFloat16x2 s) +{ + return FFXM_TO_FLOAT16X2(FFXM_TO_UINT16X2(d) | (FFXM_TO_UINT16X2(s) & FFXM_BROADCAST_UINT16X2(0x8000u))); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxCopySignBitHalf(FfxFloat16x3 d, FfxFloat16x3 s) +{ + return FFXM_TO_FLOAT16X3(FFXM_TO_UINT16X3(d) | (FFXM_TO_UINT16X3(s) & FFXM_BROADCAST_UINT16X3(0x8000u))); +} + +/// Copy the sign bit from 's' to positive 'd'. +/// +/// @param [in] d The value to copy the sign bit into. +/// @param [in] s The value to copy the sign bit from. +/// +/// @returns +/// The value of d with the sign bit from s. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxCopySignBitHalf(FfxFloat16x4 d, FfxFloat16x4 s) +{ + return FFXM_TO_FLOAT16X4(FFXM_TO_UINT16X4(d) | (FFXM_TO_UINT16X4(s) & FFXM_BROADCAST_UINT16X4(0x8000u))); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat16 ffxIsSignedHalf(FfxFloat16 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxIsSignedHalf(FfxFloat16x2 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16X2(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxIsSignedHalf(FfxFloat16x3 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16X3(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 0 +/// m >= 0 := 0 +/// m < 0 := 1 +/// +/// Uses the following useful floating point logic, +/// saturate(+a*(-INF)==-INF) := 0 +/// saturate( 0*(-INF)== NaN) := 0 +/// saturate(-a*(-INF)==+INF) := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against 0. +/// +/// @returns +/// 1.0 when the value is negative, or 0.0 when the value is 0 or position. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxIsSignedHalf(FfxFloat16x4 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16X4(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat16 ffxIsGreaterThanZeroHalf(FfxFloat16 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxIsGreaterThanZeroHalf(FfxFloat16x2 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16X2(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxIsGreaterThanZeroHalf(FfxFloat16x3 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16X3(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// A single operation to return the following: +/// m = NaN := 1 +/// m > 0 := 0 +/// m <= 0 := 1 +/// +/// This function is useful when creating masks for branch-free logic. +/// +/// @param [in] m The value to test against zero. +/// +/// @returns +/// 1.0 when the value is position, or 0.0 when the value is 0 or negative. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxIsGreaterThanZeroHalf(FfxFloat16x4 m) +{ + return ffxSaturate(m * FFXM_BROADCAST_FLOAT16X4(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// Convert a 16bit floating point value to sortable integer. +/// +/// - If sign bit=0, flip the sign bit (positives). +/// - If sign bit=1, flip all bits (negatives). +/// +/// The function has the side effects that: +/// - Larger integers are more positive values. +/// - Float zero is mapped to center of integers (so clear to integer zero is a nice default for atomic max usage). +/// +/// @param [in] x The floating point value to make sortable. +/// +/// @returns +/// The sortable integer value. +/// +/// @ingroup GPUCore +FfxUInt16 ffxFloatToSortableIntegerHalf(FfxUInt16 x) +{ + return x ^ ((ffxBitShiftRightHalf(x, FFXM_BROADCAST_UINT16(15))) | FFXM_BROADCAST_UINT16(0x8000)); +} + +/// Convert a sortable integer to a 16bit floating point value. +/// +/// The function has the side effects that: +/// - If sign bit=1, flip the sign bit (positives). +/// - If sign bit=0, flip all bits (negatives). +/// +/// @param [in] x The sortable integer value to make floating point. +/// +/// @returns +/// The floating point value. +/// +/// @ingroup GPUCore +FfxUInt16 ffxSortableIntegerToFloatHalf(FfxUInt16 x) +{ + return x ^ ((~ffxBitShiftRightHalf(x, FFXM_BROADCAST_UINT16(15))) | FFXM_BROADCAST_UINT16(0x8000)); +} + +/// Convert a pair of 16bit floating point values to a pair of sortable integers. +/// +/// - If sign bit=0, flip the sign bit (positives). +/// - If sign bit=1, flip all bits (negatives). +/// +/// The function has the side effects that: +/// - Larger integers are more positive values. +/// - Float zero is mapped to center of integers (so clear to integer zero is a nice default for atomic max usage). +/// +/// @param [in] x The floating point values to make sortable. +/// +/// @returns +/// The sortable integer values. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxFloatToSortableIntegerHalf(FfxUInt16x2 x) +{ + return x ^ ((ffxBitShiftRightHalf(x, FFXM_BROADCAST_UINT16X2(15))) | FFXM_BROADCAST_UINT16X2(0x8000)); +} + +/// Convert a pair of sortable integers to a pair of 16bit floating point values. +/// +/// The function has the side effects that: +/// - If sign bit=1, flip the sign bit (positives). +/// - If sign bit=0, flip all bits (negatives). +/// +/// @param [in] x The sortable integer values to make floating point. +/// +/// @returns +/// The floating point values. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxSortableIntegerToFloatHalf(FfxUInt16x2 x) +{ + return x ^ ((~ffxBitShiftRightHalf(x, FFXM_BROADCAST_UINT16X2(15))) | FFXM_BROADCAST_UINT16X2(0x8000)); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// [Zero] Y0 [Zero] X0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesZeroY0ZeroX0(FfxUInt32x2 i) +{ + return ((i.x) & 0xffu) | ((i.y << 16) & 0xff0000u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// [Zero] Y1 [Zero] X1 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesZeroY1ZeroX1(FfxUInt32x2 i) +{ + return ((i.x >> 8) & 0xffu) | ((i.y << 8) & 0xff0000u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// [Zero] Y2 [Zero] X2 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesZeroY2ZeroX2(FfxUInt32x2 i) +{ + return ((i.x >> 16) & 0xffu) | ((i.y) & 0xff0000u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// [Zero] Y3 [Zero] X3 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesZeroY3ZeroX3(FfxUInt32x2 i) +{ + return ((i.x >> 24) & 0xffu) | ((i.y >> 8) & 0xff0000u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y3 Y2 Y1 X0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY3Y2Y1X0(FfxUInt32x2 i) +{ + return ((i.x) & 0x000000ffu) | (i.y & 0xffffff00u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y3 Y2 Y1 X2 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY3Y2Y1X2(FfxUInt32x2 i) +{ + return ((i.x >> 16) & 0x000000ffu) | (i.y & 0xffffff00u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y3 Y2 X0 Y0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY3Y2X0Y0(FfxUInt32x2 i) +{ + return ((i.x << 8) & 0x0000ff00u) | (i.y & 0xffff00ffu); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y3 Y2 X2 Y0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY3Y2X2Y0(FfxUInt32x2 i) +{ + return ((i.x >> 8) & 0x0000ff00u) | (i.y & 0xffff00ffu); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y3 X0 Y1 Y0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY3X0Y1Y0(FfxUInt32x2 i) +{ + return ((i.x << 16) & 0x00ff0000u) | (i.y & 0xff00ffffu); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y3 X2 Y1 Y0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY3X2Y1Y0(FfxUInt32x2 i) +{ + return ((i.x) & 0x00ff0000u) | (i.y & 0xff00ffffu); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// X0 Y2 Y1 Y0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesX0Y2Y1Y0(FfxUInt32x2 i) +{ + return ((i.x << 24) & 0xff000000u) | (i.y & 0x00ffffffu); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// X2 Y2 Y1 Y0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesX2Y2Y1Y0(FfxUInt32x2 i) +{ + return ((i.x << 8) & 0xff000000u) | (i.y & 0x00ffffffu); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y2 X2 Y0 X0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY2X2Y0X0(FfxUInt32x2 i) +{ + return ((i.x) & 0x00ff00ffu) | ((i.y << 8) & 0xff00ff00u); +} + +/// Packs the bytes from the X and Y components of a FfxUInt32x2 into a single 32-bit integer. +/// +/// The resulting integer will contain bytes in the following order, from most to least significant: +/// Y2 Y0 X2 X0 +/// +/// @param [in] i The integer pair to pack. +/// +/// @returns +/// The packed integer value. +/// +/// @ingroup GPUCore +FfxUInt32 ffxPackBytesY2Y0X2X0(FfxUInt32x2 i) +{ + return (((i.x) & 0xffu) | ((i.x >> 8) & 0xff00u) | ((i.y << 16) & 0xff0000u) | ((i.y << 8) & 0xff000000u)); +} + +/// Takes two Float16x2 values x and y, normalizes them and builds a single Uint16x2 value in the format {{x0,y0},{x1,y1}}. +/// +/// @param [in] x The first float16x2 value to pack. +/// @param [in] y The second float16x2 value to pack. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxPackX0Y0X1Y1UnsignedToUint16x2(FfxFloat16x2 x, FfxFloat16x2 y) +{ + x *= FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0); + y *= FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0); + return FFXM_UINT32_TO_UINT16X2(ffxPackBytesY2X2Y0X0(FfxUInt32x2(FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(x)), FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(y))))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[0:7], +/// d.y[0:7] into r.y[0:7], i.x[8:15] into r.x[8:15], r.y[8:15] and i.y[0:15] into r.x[16:31], r.y[16:31] using 3 ops. +/// +/// r=ffxPermuteUByte0Float16x2ToUint2(d,i) +/// Where 'k0' is an SGPR with {1.0/32768.0} packed into the lower 16-bits +/// Where 'k1' is an SGPR with 0x???? +/// Where 'k2' is an SGPR with 0x???? +/// V_PK_FMA_F16 i,i,k0.x,0 +/// V_PERM_B32 r.x,i,i,k1 +/// V_PERM_B32 r.y,i,i,k2 +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteUByte0Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0))); + return FfxUInt32x2(ffxPackBytesY3Y2Y1X0(FfxUInt32x2(d.x, b)), ffxPackBytesY3Y2Y1X2(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[8:15], +/// d.y[0:7] into r.y[8:15], i.x[0:7] into r.x[0:7], r.y[0:7] and i.y[0:15] into r.x[16:31], r.y[16:31] using 3 ops. +/// +/// r=ffxPermuteUByte1Float16x2ToUint2(d,i) +/// Where 'k0' is an SGPR with {1.0/32768.0} packed into the lower 16-bits +/// Where 'k1' is an SGPR with 0x???? +/// Where 'k2' is an SGPR with 0x???? +/// V_PK_FMA_F16 i,i,k0.x,0 +/// V_PERM_B32 r.x,i,i,k1 +/// V_PERM_B32 r.y,i,i,k2 +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteUByte1Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0))); + return FfxUInt32x2(ffxPackBytesY3Y2X0Y0(FfxUInt32x2(d.x, b)), ffxPackBytesY3Y2X2Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[16:23], +/// d.y[0:7] into r.y[16:23], i.x[0:15] into r.x[0:15], r.y[0:15] and i.y[8:15] into r.x[24:31], r.y[24:31] using 3 ops. +/// +/// r=ffxPermuteUByte2Float16x2ToUint2(d,i) +/// Where 'k0' is an SGPR with {1.0/32768.0} packed into the lower 16-bits +/// Where 'k1' is an SGPR with 0x???? +/// Where 'k2' is an SGPR with 0x???? +/// V_PK_FMA_F16 i,i,k0.x,0 +/// V_PERM_B32 r.x,i,i,k1 +/// V_PERM_B32 r.y,i,i,k2 +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteUByte2Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0))); + return FfxUInt32x2(ffxPackBytesY3X0Y1Y0(FfxUInt32x2(d.x, b)), ffxPackBytesY3X2Y1Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[24:31], +/// d.y[0:7] into r.y[24:31], i.x[0:15] into r.x[0:15], r.y[0:15] and i.y[0:7] into r.x[16:23], r.y[16:23] using 3 ops. +/// +/// r=ffxPermuteUByte3Float16x2ToUint2(d,i) +/// Where 'k0' is an SGPR with {1.0/32768.0} packed into the lower 16-bits +/// Where 'k1' is an SGPR with 0x???? +/// Where 'k2' is an SGPR with 0x???? +/// V_PK_FMA_F16 i,i,k0.x,0 +/// V_PERM_B32 r.x,i,i,k1 +/// V_PERM_B32 r.y,i,i,k2 +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteUByte3Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0))); + return FfxUInt32x2(ffxPackBytesX0Y2Y1Y0(FfxUInt32x2(d.x, b)), ffxPackBytesX2Y2Y1Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[0:7] into r.x[0:7] and i.y[0:7] into r.y[0:7] using 2 ops. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteUByte0Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY0ZeroX0(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[8:15] into r.x[0:7] and i.y[8:15] into r.y[0:7] using 2 ops. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteUByte1Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY1ZeroX1(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[16:23] into r.x[0:7] and i.y[16:23] into r.y[0:7] using 2 ops. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteUByte2Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY2ZeroX2(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[24:31] into r.x[0:7] and i.y[24:31] into r.y[0:7] using 2 ops. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteUByte3Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY3ZeroX3(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0); +} + +/// Takes two Float16x2 values x and y, normalizes them and builds a single Uint16x2 value in the format {{x0,y0},{x1,y1}}. +/// +/// @param [in] x The first float16x2 value to pack. +/// @param [in] y The second float16x2 value to pack. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxPackX0Y0X1Y1SignedToUint16x2(FfxFloat16x2 x, FfxFloat16x2 y) +{ + x = x * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0); + y = y * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0); + return FFXM_UINT32_TO_UINT16X2(ffxPackBytesY2X2Y0X0(FfxUInt32x2(FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(x)), FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(y))))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[0:7], +/// d.y[0:7] into r.y[0:7], i.x[8:15] into r.x[8:15], r.y[8:15] and i.y[0:15] into r.x[16:31], r.y[16:31] using 3 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteSByte0Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))); + return FfxUInt32x2(ffxPackBytesY3Y2Y1X0(FfxUInt32x2(d.x, b)), ffxPackBytesY3Y2Y1X2(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[8:15], +/// d.y[0:7] into r.y[8:15], i.x[0:7] into r.x[0:7], r.y[0:7] and i.y[0:15] into r.x[16:31], r.y[16:31] using 3 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteSByte1Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))); + return FfxUInt32x2(ffxPackBytesY3Y2X0Y0(FfxUInt32x2(d.x, b)), ffxPackBytesY3Y2X2Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[16:23], +/// d.y[0:7] into r.y[16:23], i.x[0:15] into r.x[0:15], r.y[0:15] and i.y[8:15] into r.x[24:31], r.y[24:31] using 3 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteSByte2Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))); + return FfxUInt32x2(ffxPackBytesY3X0Y1Y0(FfxUInt32x2(d.x, b)), ffxPackBytesY3X2Y1Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[24:31], +/// d.y[0:7] into r.y[24:31], i.x[0:15] into r.x[0:15], r.y[0:15] and i.y[0:7] into r.x[16:23], r.y[16:23] using 3 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteSByte3Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))); + return FfxUInt32x2(ffxPackBytesX0Y2Y1Y0(FfxUInt32x2(d.x, b)), ffxPackBytesX2Y2Y1Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[0:7], +/// d.y[0:7] into r.y[0:7], i.x[8:15] into r.x[8:15], r.y[8:15] and i.y[0:15] into r.x[16:31], r.y[16:31] using 3 ops. +/// +/// Zero-based flips the MSB bit of the byte (making 128 "exact zero" actually zero). +/// This is useful if there is a desire for cleared values to decode as zero. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteZeroBasedSByte0Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))) ^ 0x00800080u; + return FfxUInt32x2(ffxPackBytesY3Y2Y1X0(FfxUInt32x2(d.x, b)), ffxPackBytesY3Y2Y1X2(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[8:15], +/// d.y[0:7] into r.y[8:15], i.x[0:7] into r.x[0:7], r.y[0:7] and i.y[0:15] into r.x[16:31], r.y[16:31] using 3 ops. +/// +/// Zero-based flips the MSB bit of the byte (making 128 "exact zero" actually zero). +/// This is useful if there is a desire for cleared values to decode as zero. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteZeroBasedSByte1Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))) ^ 0x00800080u; + return FfxUInt32x2(ffxPackBytesY3Y2X0Y0(FfxUInt32x2(d.x, b)), ffxPackBytesY3Y2X2Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[16:23], +/// d.y[0:7] into r.y[16:23], i.x[0:15] into r.x[0:15], r.y[0:15] and i.y[8:15] into r.x[24:31], r.y[24:31] using 3 ops. +/// +/// Zero-based flips the MSB bit of the byte (making 128 "exact zero" actually zero). +/// This is useful if there is a desire for cleared values to decode as zero. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteZeroBasedSByte2Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))) ^ 0x00800080u; + return FfxUInt32x2(ffxPackBytesY3X0Y1Y0(FfxUInt32x2(d.x, b)), ffxPackBytesY3X2Y1Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value d, Float16x2 value i and a resulting FfxUInt32x2 value r, this function packs d.x[0:7] into r.x[24:31], +/// d.y[0:7] into r.y[24:31], i.x[0:15] into r.x[0:15], r.y[0:15] and i.y[0:7] into r.x[16:23], r.y[16:23] using 3 ops. +/// +/// Zero-based flips the MSB bit of the byte (making 128 "exact zero" actually zero). +/// This is useful if there is a desire for cleared values to decode as zero. +/// +/// Handles signed byte values. +/// +/// @param [in] d The FfxUInt32x2 value to be packed. +/// @param [in] i The FfxFloat16x2 value to be packed. +/// +/// @returns +/// The packed FfxUInt32x2 value. +/// +/// @ingroup GPUCore +FfxUInt32x2 ffxPermuteZeroBasedSByte3Float16x2ToUint2(FfxUInt32x2 d, FfxFloat16x2 i) +{ + FfxUInt32 b = FFXM_UINT16X2_TO_UINT32(FFXM_TO_UINT16X2(i * FFXM_BROADCAST_FLOAT16X2(1.0 / 32768.0) + FFXM_BROADCAST_FLOAT16X2(0.25 / 32768.0))) ^ 0x00800080u; + return FfxUInt32x2(ffxPackBytesX0Y2Y1Y0(FfxUInt32x2(d.x, b)), ffxPackBytesX2Y2Y1Y0(FfxUInt32x2(d.y, b))); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[0:7] into r.x[0:7] and i.y[0:7] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteSByte0Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY0ZeroX0(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[8:15] into r.x[0:7] and i.y[8:15] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteSByte1Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY1ZeroX1(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[16:23] into r.x[0:7] and i.y[16:23] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteSByte2Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY2ZeroX2(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[24:31] into r.x[0:7] and i.y[24:31] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteSByte3Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY3ZeroX3(i))) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[0:7] into r.x[0:7] and i.y[0:7] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteZeroBasedSByte0Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY0ZeroX0(i) ^ 0x00800080u)) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[8:15] into r.x[0:7] and i.y[8:15] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteZeroBasedSByte1Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY1ZeroX1(i) ^ 0x00800080u)) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[16:23] into r.x[0:7] and i.y[16:23] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteZeroBasedSByte2Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY2ZeroX2(i) ^ 0x00800080u)) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Given a FfxUInt32x2 value i and a resulting Float16x2 value r, this function packs i.x[24:31] into r.x[0:7] and i.y[24:31] into r.y[0:7] using 2 ops. +/// +/// Handles signed byte values. +/// +/// @param [in] i The FfxUInt32x2 value to be unpacked. +/// +/// @returns +/// The unpacked FfxFloat16x2. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxPermuteZeroBasedSByte3Uint2ToFloat16x2(FfxUInt32x2 i) +{ + return FFXM_TO_FLOAT16X2(FFXM_UINT32_TO_UINT16X2(ffxPackBytesZeroY3ZeroX3(i) ^ 0x00800080u)) * FFXM_BROADCAST_FLOAT16X2(32768.0) - FFXM_BROADCAST_FLOAT16X2(0.25); +} + +/// Calculate a half-precision low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16 ffxApproximateSqrtHalf(FfxFloat16 a) +{ + return FFXM_TO_FLOAT16((FFXM_TO_UINT16(a) >> FFXM_BROADCAST_UINT16(1)) + FFXM_BROADCAST_UINT16(0x1de2)); +} + +/// Calculate a half-precision low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxApproximateSqrtHalf(FfxFloat16x2 a) +{ + return FFXM_TO_FLOAT16X2((FFXM_TO_UINT16X2(a) >> FFXM_BROADCAST_UINT16X2(1)) + FFXM_BROADCAST_UINT16X2(0x1de2)); +} + +/// Calculate a half-precision low-quality approximation for the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the square root for. +/// +/// @returns +/// An approximation of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxApproximateSqrtHalf(FfxFloat16x3 a) +{ + return FFXM_TO_FLOAT16X3((FFXM_TO_UINT16X3(a) >> FFXM_BROADCAST_UINT16X3(1)) + FFXM_BROADCAST_UINT16X3(0x1de2)); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16 ffxApproximateReciprocalHalf(FfxFloat16 a) +{ + return FFXM_TO_FLOAT16(FFXM_BROADCAST_UINT16(0x7784) - FFXM_TO_UINT16(a)); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxApproximateReciprocalHalf(FfxFloat16x2 a) +{ + return FFXM_TO_FLOAT16X2(FFXM_BROADCAST_UINT16X2(0x7784) - FFXM_TO_UINT16X2(a)); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxApproximateReciprocalHalf(FfxFloat16x3 a) +{ + return FFXM_TO_FLOAT16X3(FFXM_BROADCAST_UINT16X3(0x7784) - FFXM_TO_UINT16X3(a)); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxApproximateReciprocalHalf(FfxFloat16x4 a) +{ + return FFXM_TO_FLOAT16X4(FFXM_BROADCAST_UINT16X4(0x7784) - FFXM_TO_UINT16X4(a)); +} + +/// Calculate a half-precision medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat16 ffxApproximateReciprocalMediumHalf(FfxFloat16 a) +{ + FfxFloat16 b = FFXM_TO_FLOAT16(FFXM_BROADCAST_UINT16(0x778d) - FFXM_TO_UINT16(a)); + return b * (-b * a + FFXM_BROADCAST_FLOAT16(2.0)); +} + +/// Calculate a half-precision medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxApproximateReciprocalMediumHalf(FfxFloat16x2 a) +{ + FfxFloat16x2 b = FFXM_TO_FLOAT16X2(FFXM_BROADCAST_UINT16X2(0x778d) - FFXM_TO_UINT16X2(a)); + return b * (-b * a + FFXM_BROADCAST_FLOAT16X2(2.0)); +} + +/// Calculate a half-precision medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxApproximateReciprocalMediumHalf(FfxFloat16x3 a) +{ + FfxFloat16x3 b = FFXM_TO_FLOAT16X3(FFXM_BROADCAST_UINT16X3(0x778d) - FFXM_TO_UINT16X3(a)); + return b * (-b * a + FFXM_BROADCAST_FLOAT16X3(2.0)); +} + +/// Calculate a half-precision medium-quality approximation for the reciprocal of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal for. +/// +/// @returns +/// An approximation of the reciprocal, estimated to medium quality. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxApproximateReciprocalMediumHalf(FfxFloat16x4 a) +{ + FfxFloat16x4 b = FFXM_TO_FLOAT16X4(FFXM_BROADCAST_UINT16X4(0x778d) - FFXM_TO_UINT16X4(a)); + return b * (-b * a + FFXM_BROADCAST_FLOAT16X4(2.0)); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal of the square root for. +/// +/// @returns +/// An approximation of the reciprocal of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16 ffxApproximateReciprocalSquareRootHalf(FfxFloat16 a) +{ + return FFXM_TO_FLOAT16(FFXM_BROADCAST_UINT16(0x59a3) - (FFXM_TO_UINT16(a) >> FFXM_BROADCAST_UINT16(1))); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal of the square root for. +/// +/// @returns +/// An approximation of the reciprocal of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxApproximateReciprocalSquareRootHalf(FfxFloat16x2 a) +{ + return FFXM_TO_FLOAT16X2(FFXM_BROADCAST_UINT16X2(0x59a3) - (FFXM_TO_UINT16X2(a) >> FFXM_BROADCAST_UINT16X2(1))); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal of the square root for. +/// +/// @returns +/// An approximation of the reciprocal of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxApproximateReciprocalSquareRootHalf(FfxFloat16x3 a) +{ + return FFXM_TO_FLOAT16X3(FFXM_BROADCAST_UINT16X3(0x59a3) - (FFXM_TO_UINT16X3(a) >> FFXM_BROADCAST_UINT16X3(1))); +} + +/// Calculate a half-precision low-quality approximation for the reciprocal of the square root of a value. +/// +/// For additional information on the approximation family of functions, you can refer to Michal Drobot's excellent +/// presentation materials: +/// +/// - https://michaldrobot.files.wordpress.com/2014/05/gcn_alu_opt_digitaldragons2014.pdf +/// - https://github.com/michaldrobot/ShaderFastLibs/blob/master/ShaderFastMathLib.h +/// +/// @param [in] a The value to calculate an approximate to the reciprocal of the square root for. +/// +/// @returns +/// An approximation of the reciprocal of the square root, estimated to low quality. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxApproximateReciprocalSquareRootHalf(FfxFloat16x4 a) +{ + return FFXM_TO_FLOAT16X4(FFXM_BROADCAST_UINT16X4(0x59a3) - (FFXM_TO_UINT16X4(a) >> FFXM_BROADCAST_UINT16X4(1))); +} + +/// An approximation of sine. +/// +/// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +/// is {-1/4 to 1/4} representing {-1 to 1}. +/// +/// @param [in] x The value to calculate approximate sine for. +/// +/// @returns +/// The approximate sine of value. +FfxFloat16 ffxParabolicSinHalf(FfxFloat16 x) +{ + return x * abs(x) - x; +} + +/// An approximation of sine. +/// +/// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +/// is {-1/4 to 1/4} representing {-1 to 1}. +/// +/// @param [in] x The value to calculate approximate sine for. +/// +/// @returns +/// The approximate sine of value. +FfxFloat16x2 ffxParabolicSinHalf(FfxFloat16x2 x) +{ + return x * abs(x) - x; +} + +/// An approximation of cosine. +/// +/// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +/// is {-1/4 to 1/4} representing {-1 to 1}. +/// +/// @param [in] x The value to calculate approximate cosine for. +/// +/// @returns +/// The approximate cosine of value. +FfxFloat16 ffxParabolicCosHalf(FfxFloat16 x) +{ + x = ffxFract(x * FFXM_BROADCAST_FLOAT16(0.5) + FFXM_BROADCAST_FLOAT16(0.75)); + x = x * FFXM_BROADCAST_FLOAT16(2.0) - FFXM_BROADCAST_FLOAT16(1.0); + return ffxParabolicSinHalf(x); +} + +/// An approximation of cosine. +/// +/// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +/// is {-1/4 to 1/4} representing {-1 to 1}. +/// +/// @param [in] x The value to calculate approximate cosine for. +/// +/// @returns +/// The approximate cosine of value. +FfxFloat16x2 ffxParabolicCosHalf(FfxFloat16x2 x) +{ + x = ffxFract(x * FFXM_BROADCAST_FLOAT16X2(0.5) + FFXM_BROADCAST_FLOAT16X2(0.75)); + x = x * FFXM_BROADCAST_FLOAT16X2(2.0) - FFXM_BROADCAST_FLOAT16X2(1.0); + return ffxParabolicSinHalf(x); +} + +/// An approximation of both sine and cosine. +/// +/// Valid input range is {-1 to 1} representing {0 to 2 pi}, and the output range +/// is {-1/4 to 1/4} representing {-1 to 1}. +/// +/// @param [in] x The value to calculate approximate cosine for. +/// +/// @returns +/// A FfxFloat32x2 containing approximations of both sine and cosine of value. +FfxFloat16x2 ffxParabolicSinCosHalf(FfxFloat16 x) +{ + FfxFloat16 y = ffxFract(x * FFXM_BROADCAST_FLOAT16(0.5) + FFXM_BROADCAST_FLOAT16(0.75)); + y = y * FFXM_BROADCAST_FLOAT16(2.0) - FFXM_BROADCAST_FLOAT16(1.0); + return ffxParabolicSinHalf(FfxFloat16x2(x, y)); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt16 ffxZeroOneAndHalf(FfxUInt16 x, FfxUInt16 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxZeroOneAndHalf(FfxUInt16x2 x, FfxUInt16x2 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt16x3 ffxZeroOneAndHalf(FfxUInt16x3 x, FfxUInt16x3 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxUInt16x4 ffxZeroOneAndHalf(FfxUInt16x4 x, FfxUInt16x4 y) +{ + return min(x, y); +} + +/// Conditional free logic NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// @param [in] y The second value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt16 ffxZeroOneNotHalf(FfxUInt16 x) +{ + return x ^ FFXM_BROADCAST_UINT16(1); +} + +/// Conditional free logic NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// @param [in] y The second value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxZeroOneNotHalf(FfxUInt16x2 x) +{ + return x ^ FFXM_BROADCAST_UINT16X2(1); +} + +/// Conditional free logic NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// @param [in] y The second value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt16x3 ffxZeroOneNotHalf(FfxUInt16x3 x) +{ + return x ^ FFXM_BROADCAST_UINT16X3(1); +} + +/// Conditional free logic NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the NOT operator. +/// @param [in] y The second value to be fed into the NOT operator. +/// +/// @returns +/// Result of the NOT operation. +/// +/// @ingroup GPUCore +FfxUInt16x4 ffxZeroOneNotHalf(FfxUInt16x4 x) +{ + return x ^ FFXM_BROADCAST_UINT16X4(1); +} + +/// Conditional free logic OR operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt16 ffxZeroOneOrHalf(FfxUInt16 x, FfxUInt16 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxZeroOneOrHalf(FfxUInt16x2 x, FfxUInt16x2 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt16x3 ffxZeroOneOrHalf(FfxUInt16x3 x, FfxUInt16x3 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxUInt16x4 ffxZeroOneOrHalf(FfxUInt16x4 x, FfxUInt16x4 y) +{ + return max(x, y); +} + +/// Convert a half-precision FfxFloat32 value between 0.0f and 1.0f to a half-precision Uint. +/// +/// @param [in] x The value to converted to a Uint. +/// +/// @returns +/// The converted Uint value. +/// +/// @ingroup GPUCore +FfxUInt16 ffxZeroOneFloat16ToUint16(FfxFloat16 x) +{ + return FFXM_TO_UINT16(x * FFXM_TO_FLOAT16(FFXM_TO_UINT16(1))); +} + +/// Convert a half-precision FfxFloat32 value between 0.0f and 1.0f to a half-precision Uint. +/// +/// @param [in] x The value to converted to a Uint. +/// +/// @returns +/// The converted Uint value. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxZeroOneFloat16x2ToUint16x2(FfxFloat16x2 x) +{ + return FFXM_TO_UINT16X2(x * FFXM_TO_FLOAT16X2(FfxUInt16x2(1, 1))); +} + +/// Convert a half-precision FfxFloat32 value between 0.0f and 1.0f to a half-precision Uint. +/// +/// @param [in] x The value to converted to a Uint. +/// +/// @returns +/// The converted Uint value. +/// +/// @ingroup GPUCore +FfxUInt16x3 ffxZeroOneFloat16x3ToUint16x3(FfxFloat16x3 x) +{ + return FFXM_TO_UINT16X3(x * FFXM_TO_FLOAT16X3(FfxUInt16x3(1, 1, 1))); +} + +/// Convert a half-precision FfxFloat32 value between 0.0f and 1.0f to a half-precision Uint. +/// +/// @param [in] x The value to converted to a Uint. +/// +/// @returns +/// The converted Uint value. +/// +/// @ingroup GPUCore +FfxUInt16x4 ffxZeroOneFloat16x4ToUint16x4(FfxFloat16x4 x) +{ + return FFXM_TO_UINT16X4(x * FFXM_TO_FLOAT16X4(FfxUInt16x4(1, 1, 1, 1))); +} + +/// Convert a half-precision FfxUInt32 value between 0 and 1 to a half-precision FfxFloat32. +/// +/// @param [in] x The value to converted to a half-precision FfxFloat32. +/// +/// @returns +/// The converted half-precision FfxFloat32 value. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneUint16ToFloat16(FfxUInt16 x) +{ + return FFXM_TO_FLOAT16(x * FFXM_TO_UINT16(FFXM_TO_FLOAT16(1.0))); +} + +/// Convert a half-precision FfxUInt32 value between 0 and 1 to a half-precision FfxFloat32. +/// +/// @param [in] x The value to converted to a half-precision FfxFloat32. +/// +/// @returns +/// The converted half-precision FfxFloat32 value. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneUint16x2ToFloat16x2(FfxUInt16x2 x) +{ + return FFXM_TO_FLOAT16X2(x * FFXM_TO_UINT16X2(FfxUInt16x2(FFXM_TO_FLOAT16(1.0), FFXM_TO_FLOAT16(1.0)))); +} + +/// Convert a half-precision FfxUInt32 value between 0 and 1 to a half-precision FfxFloat32. +/// +/// @param [in] x The value to converted to a half-precision FfxFloat32. +/// +/// @returns +/// The converted half-precision FfxFloat32 value. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneUint16x3ToFloat16x3(FfxUInt16x3 x) +{ + return FFXM_TO_FLOAT16X3(x * FFXM_TO_UINT16X3(FfxUInt16x3(FFXM_TO_FLOAT16(1.0), FFXM_TO_FLOAT16(1.0), FFXM_TO_FLOAT16(1.0)))); +} + +/// Convert a half-precision FfxUInt32 value between 0 and 1 to a half-precision FfxFloat32. +/// +/// @param [in] x The value to converted to a half-precision FfxFloat32. +/// +/// @returns +/// The converted half-precision FfxFloat32 value. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneUint16x4ToFloat16x4(FfxUInt16x4 x) +{ + return FFXM_TO_FLOAT16X4(x * FFXM_TO_UINT16X4(FfxUInt16x4(FFXM_TO_FLOAT16(1.0), FFXM_TO_FLOAT16(1.0), FFXM_TO_FLOAT16(1.0), FFXM_TO_FLOAT16(1.0)))); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneAndHalf(FfxFloat16 x, FfxFloat16 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneAndHalf(FfxFloat16x2 x, FfxFloat16x2 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneAndHalf(FfxFloat16x3 x, FfxFloat16x3 y) +{ + return min(x, y); +} + +/// Conditional free logic AND operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// +/// @returns +/// Result of the AND operation. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneAndHalf(FfxFloat16x4 x, FfxFloat16x4 y) +{ + return min(x, y); +} + +/// Conditional free logic AND NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND NOT operator. +/// @param [in] y The second value to be fed into the AND NOT operator. +/// +/// @returns +/// Result of the AND NOT operation. +/// +/// @ingroup GPUCore +FfxFloat16 ffxSignedZeroOneAndOrHalf(FfxFloat16 x, FfxFloat16 y) +{ + return (-x) * y + FFXM_BROADCAST_FLOAT16(1.0); +} + +/// Conditional free logic AND NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND NOT operator. +/// @param [in] y The second value to be fed into the AND NOT operator. +/// +/// @returns +/// Result of the AND NOT operation. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxSignedZeroOneAndOrHalf(FfxFloat16x2 x, FfxFloat16x2 y) +{ + return (-x) * y + FFXM_BROADCAST_FLOAT16X2(1.0); +} + +/// Conditional free logic AND NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND NOT operator. +/// @param [in] y The second value to be fed into the AND NOT operator. +/// +/// @returns +/// Result of the AND NOT operation. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxSignedZeroOneAndOrHalf(FfxFloat16x3 x, FfxFloat16x3 y) +{ + return (-x) * y + FFXM_BROADCAST_FLOAT16X3(1.0); +} + +/// Conditional free logic AND NOT operation using two half-precision values. +/// +/// @param [in] x The first value to be fed into the AND NOT operator. +/// @param [in] y The second value to be fed into the AND NOT operator. +/// +/// @returns +/// Result of the AND NOT operation. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxSignedZeroOneAndOrHalf(FfxFloat16x4 x, FfxFloat16x4 y) +{ + return (-x) * y + FFXM_BROADCAST_FLOAT16X4(1.0); +} + +/// Conditional free logic AND operation using two half-precision values followed by +/// a NOT operation using the resulting value and a third half-precision value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneAndOrHalf(FfxFloat16 x, FfxFloat16 y, FfxFloat16 z) +{ + return ffxSaturate(x * y + z); +} + +/// Conditional free logic AND operation using two half-precision values followed by +/// a NOT operation using the resulting value and a third half-precision value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneAndOrHalf(FfxFloat16x2 x, FfxFloat16x2 y, FfxFloat16x2 z) +{ + return ffxSaturate(x * y + z); +} + +/// Conditional free logic AND operation using two half-precision values followed by +/// a NOT operation using the resulting value and a third half-precision value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneAndOrHalf(FfxFloat16x3 x, FfxFloat16x3 y, FfxFloat16x3 z) +{ + return ffxSaturate(x * y + z); +} + +/// Conditional free logic AND operation using two half-precision values followed by +/// a NOT operation using the resulting value and a third half-precision value. +/// +/// @param [in] x The first value to be fed into the AND operator. +/// @param [in] y The second value to be fed into the AND operator. +/// @param [in] z The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneAndOrHalf(FfxFloat16x4 x, FfxFloat16x4 y, FfxFloat16x4 z) +{ + return ffxSaturate(x * y + z); +} + +/// Given a half-precision value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneIsGreaterThanZeroHalf(FfxFloat16 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// Given a half-precision value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneIsGreaterThanZeroHalf(FfxFloat16x2 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16X2(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// Given a half-precision value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneIsGreaterThanZeroHalf(FfxFloat16x3 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16X3(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// Given a half-precision value, returns 1.0 if greater than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the greater than zero comparison. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneIsGreaterThanZeroHalf(FfxFloat16x4 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16X4(FFXM_POSITIVE_INFINITY_HALF)); +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneNotHalf(FfxFloat16 x) +{ + return FFXM_BROADCAST_FLOAT16(1.0) - x; +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneNotHalf(FfxFloat16x2 x) +{ + return FFXM_BROADCAST_FLOAT16X2(1.0) - x; +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneNotHalf(FfxFloat16x3 x) +{ + return FFXM_BROADCAST_FLOAT16X3(1.0) - x; +} + +/// Conditional free logic signed NOT operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the AND OR operator. +/// +/// @returns +/// Result of the AND OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneNotHalf(FfxFloat16x4 x) +{ + return FFXM_BROADCAST_FLOAT16X4(1.0) - x; +} + +/// Conditional free logic OR operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneOrHalf(FfxFloat16 x, FfxFloat16 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneOrHalf(FfxFloat16x2 x, FfxFloat16x2 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneOrHalf(FfxFloat16x3 x, FfxFloat16x3 y) +{ + return max(x, y); +} + +/// Conditional free logic OR operation using two half-precision FfxFloat32 values. +/// +/// @param [in] x The first value to be fed into the OR operator. +/// @param [in] y The second value to be fed into the OR operator. +/// +/// @returns +/// Result of the OR operation. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneOrHalf(FfxFloat16x4 x, FfxFloat16x4 y) +{ + return max(x, y); +} + +/// Choose between two half-precision FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneSelectHalf(FfxFloat16 x, FfxFloat16 y, FfxFloat16 z) +{ + FfxFloat16 r = (-x) * z + z; + return x * y + r; +} + +/// Choose between two half-precision FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneSelectHalf(FfxFloat16x2 x, FfxFloat16x2 y, FfxFloat16x2 z) +{ + FfxFloat16x2 r = (-x) * z + z; + return x * y + r; +} + +/// Choose between two half-precision FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneSelectHalf(FfxFloat16x3 x, FfxFloat16x3 y, FfxFloat16x3 z) +{ + FfxFloat16x3 r = (-x) * z + z; + return x * y + r; +} + +/// Choose between two half-precision FfxFloat32 values if the first paramter is greater than zero. +/// +/// @param [in] x The value to compare against zero. +/// @param [in] y The value to return if the comparision is greater than zero. +/// @param [in] z The value to return if the comparision is less than or equal to zero. +/// +/// @returns +/// The selected value. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneSelectHalf(FfxFloat16x4 x, FfxFloat16x4 y, FfxFloat16x4 z) +{ + FfxFloat16x4 r = (-x) * z + z; + return x * y + r; +} + +/// Given a half-precision value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat16 ffxZeroOneIsSignedHalf(FfxFloat16 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// Given a half-precision value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxZeroOneIsSignedHalf(FfxFloat16x2 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16X2(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// Given a half-precision value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxZeroOneIsSignedHalf(FfxFloat16x3 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16X3(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// Given a half-precision value, returns 1.0 if less than zero and 0.0 if not. +/// +/// @param [in] x The value to be compared. +/// +/// @returns +/// Result of the sign value. +/// +/// @ingroup GPUCore +FfxFloat16x4 ffxZeroOneIsSignedHalf(FfxFloat16x4 x) +{ + return ffxSaturate(x * FFXM_BROADCAST_FLOAT16X4(FFXM_NEGATIVE_INFINITY_HALF)); +} + +/// Compute a Rec.709 color space. +/// +/// Rec.709 is used for some HDTVs. +/// +/// Both Rec.709 and sRGB have a linear segment which as spec'ed would intersect the curved segment 2 times. +/// (a.) For 8-bit sRGB, steps {0 to 10.3} are in the linear region (4% of the encoding range). +/// (b.) For 8-bit 709, steps {0 to 20.7} are in the linear region (8% of the encoding range). +/// +/// @param [in] c The color to convert to Rec. 709. +/// +/// @returns +/// The color in Rec.709 space. +/// +/// @ingroup GPUCore +FfxFloat16 ffxRec709FromLinearHalf(FfxFloat16 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.018 * 4.5, 4.5, 0.45); + FfxFloat16x2 k = FfxFloat16x2(1.099, -0.099); + return clamp(j.x, c * j.y, pow(c, j.z) * k.x + k.y); +} + +/// Compute a Rec.709 color space. +/// +/// Rec.709 is used for some HDTVs. +/// +/// Both Rec.709 and sRGB have a linear segment which as spec'ed would intersect the curved segment 2 times. +/// (a.) For 8-bit sRGB, steps {0 to 10.3} are in the linear region (4% of the encoding range). +/// (b.) For 8-bit 709, steps {0 to 20.7} are in the linear region (8% of the encoding range). +/// +/// @param [in] c The color to convert to Rec. 709. +/// +/// @returns +/// The color in Rec.709 space. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxRec709FromLinearHalf(FfxFloat16x2 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.018 * 4.5, 4.5, 0.45); + FfxFloat16x2 k = FfxFloat16x2(1.099, -0.099); + return clamp(j.xx, c * j.yy, pow(c, j.zz) * k.xx + k.yy); +} + +/// Compute a Rec.709 color space. +/// +/// Rec.709 is used for some HDTVs. +/// +/// Both Rec.709 and sRGB have a linear segment which as spec'ed would intersect the curved segment 2 times. +/// (a.) For 8-bit sRGB, steps {0 to 10.3} are in the linear region (4% of the encoding range). +/// (b.) For 8-bit 709, steps {0 to 20.7} are in the linear region (8% of the encoding range). +/// +/// @param [in] c The color to convert to Rec. 709. +/// +/// @returns +/// The color in Rec.709 space. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxRec709FromLinearHalf(FfxFloat16x3 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.018 * 4.5, 4.5, 0.45); + FfxFloat16x2 k = FfxFloat16x2(1.099, -0.099); + return clamp(j.xxx, c * j.yyy, pow(c, j.zzz) * k.xxx + k.yyy); +} + +/// Compute a gamma value from a linear value. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// Note: 'rcpX' is '1/x', where the 'x' is what would be used in ffxLinearFromGammaHalf. +/// +/// @param [in] c The value to convert to gamma space from linear. +/// @param [in] rcpX The reciprocal of power value used for the gamma curve. +/// +/// @returns +/// A value in gamma space. +/// +/// @ingroup GPUCore +FfxFloat16 ffxGammaFromLinearHalf(FfxFloat16 c, FfxFloat16 rcpX) +{ + return pow(c, FFXM_BROADCAST_FLOAT16(rcpX)); +} + +/// Compute a gamma value from a linear value. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// Note: 'rcpX' is '1/x', where the 'x' is what would be used in ffxLinearFromGammaHalf. +/// +/// @param [in] c The value to convert to gamma space from linear. +/// @param [in] rcpX The reciprocal of power value used for the gamma curve. +/// +/// @returns +/// A value in gamma space. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxGammaFromLinearHalf(FfxFloat16x2 c, FfxFloat16 rcpX) +{ + return pow(c, FFXM_BROADCAST_FLOAT16X2(rcpX)); +} + +/// Compute a gamma value from a linear value. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// Note: 'rcpX' is '1/x', where the 'x' is what would be used in ffxLinearFromGammaHalf. +/// +/// @param [in] c The value to convert to gamma space from linear. +/// @param [in] rcpX The reciprocal of power value used for the gamma curve. +/// +/// @returns +/// A value in gamma space. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxGammaFromLinearHalf(FfxFloat16x3 c, FfxFloat16 rcpX) +{ + return pow(c, FFXM_BROADCAST_FLOAT16X3(rcpX)); +} + +/// Compute an SRGB value from a linear value. +/// +/// @param [in] c The value to convert to SRGB from linear. +/// +/// @returns +/// A value in SRGB space. +/// +/// @ingroup GPUCore +FfxFloat16 ffxSrgbFromLinearHalf(FfxFloat16 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.0031308 * 12.92, 12.92, 1.0 / 2.4); + FfxFloat16x2 k = FfxFloat16x2(1.055, -0.055); + return clamp(j.x, c * j.y, pow(c, j.z) * k.x + k.y); +} + +/// Compute an SRGB value from a linear value. +/// +/// @param [in] c The value to convert to SRGB from linear. +/// +/// @returns +/// A value in SRGB space. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxSrgbFromLinearHalf(FfxFloat16x2 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.0031308 * 12.92, 12.92, 1.0 / 2.4); + FfxFloat16x2 k = FfxFloat16x2(1.055, -0.055); + return clamp(j.xx, c * j.yy, pow(c, j.zz) * k.xx + k.yy); +} + +/// Compute an SRGB value from a linear value. +/// +/// @param [in] c The value to convert to SRGB from linear. +/// +/// @returns +/// A value in SRGB space. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxSrgbFromLinearHalf(FfxFloat16x3 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.0031308 * 12.92, 12.92, 1.0 / 2.4); + FfxFloat16x2 k = FfxFloat16x2(1.055, -0.055); + return clamp(j.xxx, c * j.yyy, pow(c, j.zzz) * k.xxx + k.yyy); +} + +/// Compute the square root of a value. +/// +/// @param [in] c The value to compute the square root for. +/// +/// @returns +/// A square root of the input value. +/// +/// @ingroup GPUCore +FfxFloat16 ffxSquareRootHalf(FfxFloat16 c) +{ + return sqrt(c); +} + +/// Compute the square root of a value. +/// +/// @param [in] c The value to compute the square root for. +/// +/// @returns +/// A square root of the input value. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxSquareRootHalf(FfxFloat16x2 c) +{ + return sqrt(c); +} + +/// Compute the square root of a value. +/// +/// @param [in] c The value to compute the square root for. +/// +/// @returns +/// A square root of the input value. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxSquareRootHalf(FfxFloat16x3 c) +{ + return sqrt(c); +} + +/// Compute the cube root of a value. +/// +/// @param [in] c The value to compute the cube root for. +/// +/// @returns +/// A cube root of the input value. +/// +/// @ingroup GPUCore +FfxFloat16 ffxCubeRootHalf(FfxFloat16 c) +{ + return pow(c, FFXM_BROADCAST_FLOAT16(1.0 / 3.0)); +} + +/// Compute the cube root of a value. +/// +/// @param [in] c The value to compute the cube root for. +/// +/// @returns +/// A cube root of the input value. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxCubeRootHalf(FfxFloat16x2 c) +{ + return pow(c, FFXM_BROADCAST_FLOAT16X2(1.0 / 3.0)); +} + +/// Compute the cube root of a value. +/// +/// @param [in] c The value to compute the cube root for. +/// +/// @returns +/// A cube root of the input value. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxCubeRootHalf(FfxFloat16x3 c) +{ + return pow(c, FFXM_BROADCAST_FLOAT16X3(1.0 / 3.0)); +} + +/// Compute a linear value from a REC.709 value. +/// +/// @param [in] c The value to convert to linear from REC.709. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16 ffxLinearFromRec709Half(FfxFloat16 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.081 / 4.5, 1.0 / 4.5, 1.0 / 0.45); + FfxFloat16x2 k = FfxFloat16x2(1.0 / 1.099, 0.099 / 1.099); + return ffxZeroOneSelectHalf(ffxZeroOneIsSignedHalf(c - j.x), c * j.y, pow(c * k.x + k.y, j.z)); +} + +/// Compute a linear value from a REC.709 value. +/// +/// @param [in] c The value to convert to linear from REC.709. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxLinearFromRec709Half(FfxFloat16x2 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.081 / 4.5, 1.0 / 4.5, 1.0 / 0.45); + FfxFloat16x2 k = FfxFloat16x2(1.0 / 1.099, 0.099 / 1.099); + return ffxZeroOneSelectHalf(ffxZeroOneIsSignedHalf(c - j.xx), c * j.yy, pow(c * k.xx + k.yy, j.zz)); +} + +/// Compute a linear value from a REC.709 value. +/// +/// @param [in] c The value to convert to linear from REC.709. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxLinearFromRec709Half(FfxFloat16x3 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.081 / 4.5, 1.0 / 4.5, 1.0 / 0.45); + FfxFloat16x2 k = FfxFloat16x2(1.0 / 1.099, 0.099 / 1.099); + return ffxZeroOneSelectHalf(ffxZeroOneIsSignedHalf(c - j.xxx), c * j.yyy, pow(c * k.xxx + k.yyy, j.zzz)); +} + +/// Compute a linear value from a value in a gamma space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] c The value to convert to linear in gamma space. +/// @param [in] x The power value used for the gamma curve. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16 ffxLinearFromGammaHalf(FfxFloat16 c, FfxFloat16 x) +{ + return pow(c, FFXM_BROADCAST_FLOAT16(x)); +} + +/// Compute a linear value from a value in a gamma space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] c The value to convert to linear in gamma space. +/// @param [in] x The power value used for the gamma curve. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxLinearFromGammaHalf(FfxFloat16x2 c, FfxFloat16 x) +{ + return pow(c, FFXM_BROADCAST_FLOAT16X2(x)); +} + +/// Compute a linear value from a value in a gamma space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] c The value to convert to linear in gamma space. +/// @param [in] x The power value used for the gamma curve. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxLinearFromGammaHalf(FfxFloat16x3 c, FfxFloat16 x) +{ + return pow(c, FFXM_BROADCAST_FLOAT16X3(x)); +} + +/// Compute a linear value from a value in a SRGB space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] c The value to convert to linear in SRGB space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16 ffxLinearFromSrgbHalf(FfxFloat16 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.04045 / 12.92, 1.0 / 12.92, 2.4); + FfxFloat16x2 k = FfxFloat16x2(1.0 / 1.055, 0.055 / 1.055); + return ffxZeroOneSelectHalf(ffxZeroOneIsSignedHalf(c - j.x), c * j.y, pow(c * k.x + k.y, j.z)); +} + +/// Compute a linear value from a value in a SRGB space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] c The value to convert to linear in SRGB space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16x2 ffxLinearFromSrgbHalf(FfxFloat16x2 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.04045 / 12.92, 1.0 / 12.92, 2.4); + FfxFloat16x2 k = FfxFloat16x2(1.0 / 1.055, 0.055 / 1.055); + return ffxZeroOneSelectHalf(ffxZeroOneIsSignedHalf(c - j.xx), c * j.yy, pow(c * k.xx + k.yy, j.zz)); +} + +/// Compute a linear value from a value in a SRGB space. +/// +/// Typically 2.2 for some PC displays, or 2.4-2.5 for CRTs, or 2.2 FreeSync2 native. +/// +/// @param [in] c The value to convert to linear in SRGB space. +/// +/// @returns +/// A value in linear space. +/// +/// @ingroup GPUCore +FfxFloat16x3 ffxLinearFromSrgbHalf(FfxFloat16x3 c) +{ + FfxFloat16x3 j = FfxFloat16x3(0.04045 / 12.92, 1.0 / 12.92, 2.4); + FfxFloat16x2 k = FfxFloat16x2(1.0 / 1.055, 0.055 / 1.055); + return ffxZeroOneSelectHalf(ffxZeroOneIsSignedHalf(c - j.xxx), c * j.yyy, pow(c * k.xxx + k.yyy, j.zzz)); +} + +/// A remapping of 64x1 to 8x8 imposing rotated 2x2 pixel quads in quad linear. +/// +/// 543210 +/// ====== +/// ..xxx. +/// yy...y +/// +/// @param [in] a The input 1D coordinates to remap. +/// +/// @returns +/// The remapped 2D coordinates. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxRemapForQuadHalf(FfxUInt32 a) +{ + return FfxUInt16x2(bitfieldExtract(a, 1u, 3u), bitfieldInsertMask(bitfieldExtract(a, 3u, 3u), a, 1u)); +} + +/// A helper function performing a remap 64x1 to 8x8 remapping which is necessary for 2D wave reductions. +/// +/// The 64-wide lane indices to 8x8 remapping is performed as follows: +/// +/// 00 01 08 09 10 11 18 19 +/// 02 03 0a 0b 12 13 1a 1b +/// 04 05 0c 0d 14 15 1c 1d +/// 06 07 0e 0f 16 17 1e 1f +/// 20 21 28 29 30 31 38 39 +/// 22 23 2a 2b 32 33 3a 3b +/// 24 25 2c 2d 34 35 3c 3d +/// 26 27 2e 2f 36 37 3e 3f +/// +/// @param [in] a The input 1D coordinate to remap. +/// +/// @returns +/// The remapped 2D coordinates. +/// +/// @ingroup GPUCore +FfxUInt16x2 ffxRemapForWaveReductionHalf(FfxUInt32 a) +{ + return FfxUInt16x2(bitfieldInsertMask(bitfieldExtract(a, 2u, 3u), a, 1u), bitfieldInsertMask(bitfieldExtract(a, 3u, 3u), bitfieldExtract(a, 1u, 2u), 2u)); +} + +#endif // FFXM_HALF diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h.meta new file mode 100644 index 0000000..7b4903e --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: b5e484d04abc3c84788c93d9a2e50b7f +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h new file mode 100644 index 0000000..9696c28 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h @@ -0,0 +1,1643 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +/// @defgroup HLSLCore HLSL Core +/// HLSL core defines and functions +/// +/// @ingroup FfxHLSL + +/// A define for abstracting shared memory between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_GROUPSHARED groupshared + +/// A define for abstracting compute memory barriers between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_GROUP_MEMORY_BARRIER() GroupMemoryBarrierWithGroupSync() + +/// A define for abstracting compute atomic additions between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_ATOMIC_ADD(x, y) InterlockedAdd(x, y) + +/// A define added to accept static markup on functions to aid CPU/GPU portability of code. +/// +/// @ingroup HLSLCore +#define FFXM_STATIC static + +/// A define for abstracting loop unrolling between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_UNROLL [unroll] + +/// A define for abstracting a 'greater than' comparison operator between two types. +/// +/// @ingroup HLSLCore +#define FFXM_GREATER_THAN(x, y) x > y + +/// A define for abstracting a 'greater than or equal' comparison operator between two types. +/// +/// @ingroup HLSLCore +#define FFXM_GREATER_THAN_EQUAL(x, y) x >= y + +/// A define for abstracting a 'less than' comparison operator between two types. +/// +/// @ingroup HLSLCore +#define FFXM_LESS_THAN(x, y) x < y + +/// A define for abstracting a 'less than or equal' comparison operator between two types. +/// +/// @ingroup HLSLCore +#define FFXM_LESS_THAN_EQUAL(x, y) x <= y + +/// A define for abstracting an 'equal' comparison operator between two types. +/// +/// @ingroup HLSLCore +#define FFXM_EQUAL(x, y) x == y + +/// A define for abstracting a 'not equal' comparison operator between two types. +/// +/// @ingroup HLSLCore +#define FFXM_NOT_EQUAL(x, y) x != y + +/// A define for abstracting matrix multiply operations between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_MATRIX_MULTIPLY(a, b) mul(a, b) + +/// A define for abstracting vector transformations between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_TRANSFORM_VECTOR(a, b) mul(a, b) + +/// A define for abstracting modulo operations between shading languages. +/// +/// @ingroup HLSLCore +#define FFXM_MODULO(a, b) (fmod(a, b)) + +/// Broadcast a scalar value to a 1-dimensional floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_FLOAT32(x) FfxFloat32(x) + +/// Broadcast a scalar value to a 2-dimensional floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_FLOAT32X2(x) FfxFloat32(x) + +/// Broadcast a scalar value to a 3-dimensional floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_FLOAT32X3(x) FfxFloat32(x) + +/// Broadcast a scalar value to a 4-dimensional floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_FLOAT32X4(x) FfxFloat32(x) + +/// Broadcast a scalar value to a 1-dimensional unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_UINT32(x) FfxUInt32(x) + +/// Broadcast a scalar value to a 2-dimensional unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_UINT32X2(x) FfxUInt32(x) + +/// Broadcast a scalar value to a 4-dimensional unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_UINT32X3(x) FfxUInt32(x) + +/// Broadcast a scalar value to a 4-dimensional unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_UINT32X4(x) FfxUInt32(x) + +/// Broadcast a scalar value to a 1-dimensional signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_INT32(x) FfxInt32(x) + +/// Broadcast a scalar value to a 2-dimensional signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_INT32X2(x) FfxInt32(x) + +/// Broadcast a scalar value to a 3-dimensional signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_INT32X3(x) FfxInt32(x) + +/// Broadcast a scalar value to a 4-dimensional signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_INT32X4(x) FfxInt32(x) + +/// Broadcast a scalar value to a 1-dimensional half-precision floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_FLOAT16(a) FFXM_MIN16_F(a) + +/// Broadcast a scalar value to a 2-dimensional half-precision floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_FLOAT16X2(a) FFXM_MIN16_F(a) + +/// Broadcast a scalar value to a 3-dimensional half-precision floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_FLOAT16X3(a) FFXM_MIN16_F(a) + +/// Broadcast a scalar value to a 4-dimensional half-precision floating point vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_FLOAT16X4(a) FFXM_MIN16_F(a) + +/// Broadcast a scalar value to a 1-dimensional half-precision unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_UINT16(a) FFXM_MIN16_U(a) + +/// Broadcast a scalar value to a 2-dimensional half-precision unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_UINT16X2(a) FFXM_MIN16_U(a) + +/// Broadcast a scalar value to a 3-dimensional half-precision unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_UINT16X3(a) FFXM_MIN16_U(a) + +/// Broadcast a scalar value to a 4-dimensional half-precision unsigned integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_UINT16X4(a) FFXM_MIN16_U(a) + +/// Broadcast a scalar value to a 1-dimensional half-precision signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_INT16(a) FFXM_MIN16_I(a) + +/// Broadcast a scalar value to a 2-dimensional half-precision signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_INT16X2(a) FFXM_MIN16_I(a) + +/// Broadcast a scalar value to a 3-dimensional half-precision signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_INT16X3(a) FFXM_MIN16_I(a) + +/// Broadcast a scalar value to a 4-dimensional half-precision signed integer vector. +/// +/// @ingroup HLSLCore +#define FFXM_BROADCAST_MIN_INT16X4(a) FFXM_MIN16_I(a) + +/// Pack 2x32-bit floating point values in a single 32bit value. +/// +/// This function first converts each component of value into their nearest 16-bit floating +/// point representation, and then stores the X and Y components in the lower and upper 16 bits of the +/// 32bit unsigned integer respectively. +/// +/// @param [in] value A 2-dimensional floating point value to convert and pack. +/// +/// @returns +/// A packed 32bit value containing 2 16bit floating point values. +/// +/// @ingroup HLSLCore +FfxUInt32 packHalf2x16(FfxFloat32x2 value) +{ + return f32tof16(value.x) | (f32tof16(value.y) << 16); +} + +/// Broadcast a scalar value to a 2-dimensional floating point vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 2-dimensional floating point vector with value in each component. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxBroadcast2(FfxFloat32 value) +{ + return FfxFloat32x2(value, value); +} + +/// Broadcast a scalar value to a 3-dimensional floating point vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 3-dimensional floating point vector with value in each component. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxBroadcast3(FfxFloat32 value) +{ + return FfxFloat32x3(value, value, value); +} + +/// Broadcast a scalar value to a 4-dimensional floating point vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 4-dimensional floating point vector with value in each component. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxBroadcast4(FfxFloat32 value) +{ + return FfxFloat32x4(value, value, value, value); +} + +/// Broadcast a scalar value to a 2-dimensional signed integer vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 2-dimensional signed integer vector with value in each component. +/// +/// @ingroup HLSLCore +FfxInt32x2 ffxBroadcast2(FfxInt32 value) +{ + return FfxInt32x2(value, value); +} + +/// Broadcast a scalar value to a 3-dimensional signed integer vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 3-dimensional signed integer vector with value in each component. +/// +/// @ingroup HLSLCore +FfxUInt32x3 ffxBroadcast3(FfxInt32 value) +{ + return FfxUInt32x3(value, value, value); +} + +/// Broadcast a scalar value to a 4-dimensional signed integer vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 4-dimensional signed integer vector with value in each component. +/// +/// @ingroup HLSLCore +FfxInt32x4 ffxBroadcast4(FfxInt32 value) +{ + return FfxInt32x4(value, value, value, value); +} + +/// Broadcast a scalar value to a 2-dimensional unsigned integer vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 2-dimensional unsigned integer vector with value in each component. +/// +/// @ingroup HLSLCore +FfxUInt32x2 ffxBroadcast2(FfxUInt32 value) +{ + return FfxUInt32x2(value, value); +} + +/// Broadcast a scalar value to a 3-dimensional unsigned integer vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 3-dimensional unsigned integer vector with value in each component. +/// +/// @ingroup HLSLCore +FfxUInt32x3 ffxBroadcast3(FfxUInt32 value) +{ + return FfxUInt32x3(value, value, value); +} + +/// Broadcast a scalar value to a 4-dimensional unsigned integer vector. +/// +/// @param [in] value The value to to broadcast. +/// +/// @returns +/// A 4-dimensional unsigned integer vector with value in each component. +/// +/// @ingroup HLSLCore +FfxUInt32x4 ffxBroadcast4(FfxUInt32 value) +{ + return FfxUInt32x4(value, value, value, value); +} + +FfxUInt32 bitfieldExtract(FfxUInt32 src, FfxUInt32 off, FfxUInt32 bits) +{ + FfxUInt32 mask = (1u << bits) - 1; + return (src >> off) & mask; +} + +FfxUInt32 bitfieldInsert(FfxUInt32 src, FfxUInt32 ins, FfxUInt32 mask) +{ + return (ins & mask) | (src & (~mask)); +} + +FfxUInt32 bitfieldInsertMask(FfxUInt32 src, FfxUInt32 ins, FfxUInt32 bits) +{ + FfxUInt32 mask = (1u << bits) - 1; + return (ins & mask) | (src & (~mask)); +} + +/// Interprets the bit pattern of x as an unsigned integer. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as an unsigned integer. +/// +/// @ingroup HLSLCore +FfxUInt32 ffxAsUInt32(FfxFloat32 x) +{ + return asuint(x); +} + +/// Interprets the bit pattern of x as an unsigned integer. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as an unsigned integer. +/// +/// @ingroup HLSLCore +FfxUInt32x2 ffxAsUInt32(FfxFloat32x2 x) +{ + return asuint(x); +} + +/// Interprets the bit pattern of x as an unsigned integer. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as an unsigned integer. +/// +/// @ingroup HLSLCore +FfxUInt32x3 ffxAsUInt32(FfxFloat32x3 x) +{ + return asuint(x); +} + +/// Interprets the bit pattern of x as an unsigned integer. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as an unsigned integer. +/// +/// @ingroup HLSLCore +FfxUInt32x4 ffxAsUInt32(FfxFloat32x4 x) +{ + return asuint(x); +} + +/// Interprets the bit pattern of x as a floating-point number. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as a floating-point number. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxAsFloat(FfxUInt32 x) +{ + return asfloat(x); +} + +/// Interprets the bit pattern of x as a floating-point number. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as a floating-point number. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxAsFloat(FfxUInt32x2 x) +{ + return asfloat(x); +} + +/// Interprets the bit pattern of x as a floating-point number. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as a floating-point number. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxAsFloat(FfxUInt32x3 x) +{ + return asfloat(x); +} + +/// Interprets the bit pattern of x as a floating-point number. +/// +/// @param [in] x The input value. +/// +/// @returns +/// The input interpreted as a floating-point number. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxAsFloat(FfxUInt32x4 x) +{ + return asfloat(x); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxLerp(FfxFloat32 x, FfxFloat32 y, FfxFloat32 t) +{ + return lerp(x, y, t); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxLerp(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32 t) +{ + return lerp(x, y, t); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxLerp(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32x2 t) +{ + return lerp(x, y, t); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxLerp(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32 t) +{ + return lerp(x, y, t); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxLerp(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32x3 t) +{ + return lerp(x, y, t); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxLerp(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32 t) +{ + return lerp(x, y, t); +} + +/// Compute the linear interopation between two values. +/// +/// Implemented by calling the HLSL mix instrinsic function. Implements the +/// following math: +/// +/// (1 - t) * x + t * y +/// +/// @param [in] x The first value to lerp between. +/// @param [in] y The second value to lerp between. +/// @param [in] t The value to determine how much of x and how much of y. +/// +/// @returns +/// A linearly interpolated value between x and y according to t. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxLerp(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32x4 t) +{ + return lerp(x, y, t); +} + +/// Clamp a value to a [0..1] range. +/// +/// @param [in] x The value to clamp to [0..1] range. +/// +/// @returns +/// The clamped version of x. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxSaturate(FfxFloat32 x) +{ + return saturate(x); +} + +/// Clamp a value to a [0..1] range. +/// +/// @param [in] x The value to clamp to [0..1] range. +/// +/// @returns +/// The clamped version of x. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxSaturate(FfxFloat32x2 x) +{ + return saturate(x); +} + +/// Clamp a value to a [0..1] range. +/// +/// @param [in] x The value to clamp to [0..1] range. +/// +/// @returns +/// The clamped version of x. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxSaturate(FfxFloat32x3 x) +{ + return saturate(x); +} + +/// Clamp a value to a [0..1] range. +/// +/// @param [in] x The value to clamp to [0..1] range. +/// +/// @returns +/// The clamped version of x. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxSaturate(FfxFloat32x4 x) +{ + return saturate(x); +} + +/// Compute the factional part of a decimal value. +/// +/// This function calculates x - floor(x). Where floor is the intrinsic HLSL function. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. It is +/// worth further noting that this function is intentionally distinct from the HLSL frac intrinsic +/// function. +/// +/// @param [in] x The value to compute the fractional part from. +/// +/// @returns +/// The fractional part of x. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxFract(FfxFloat32 x) +{ + return x - floor(x); +} + +/// Compute the factional part of a decimal value. +/// +/// This function calculates x - floor(x). Where floor is the intrinsic HLSL function. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. It is +/// worth further noting that this function is intentionally distinct from the HLSL frac intrinsic +/// function. +/// +/// @param [in] x The value to compute the fractional part from. +/// +/// @returns +/// The fractional part of x. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxFract(FfxFloat32x2 x) +{ + return x - floor(x); +} + +/// Compute the factional part of a decimal value. +/// +/// This function calculates x - floor(x). Where floor is the intrinsic HLSL function. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. It is +/// worth further noting that this function is intentionally distinct from the HLSL frac intrinsic +/// function. +/// +/// @param [in] x The value to compute the fractional part from. +/// +/// @returns +/// The fractional part of x. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxFract(FfxFloat32x3 x) +{ + return x - floor(x); +} + +/// Compute the factional part of a decimal value. +/// +/// This function calculates x - floor(x). Where floor is the intrinsic HLSL function. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. It is +/// worth further noting that this function is intentionally distinct from the HLSL frac intrinsic +/// function. +/// +/// @param [in] x The value to compute the fractional part from. +/// +/// @returns +/// The fractional part of x. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxFract(FfxFloat32x4 x) +{ + return x - floor(x); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxMax3(FfxFloat32 x, FfxFloat32 y, FfxFloat32 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxMax3(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32x2 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxMax3(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32x3 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxMax3(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32x4 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32 ffxMax3(FfxUInt32 x, FfxUInt32 y, FfxUInt32 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32x2 ffxMax3(FfxUInt32x2 x, FfxUInt32x2 y, FfxUInt32x2 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32x3 ffxMax3(FfxUInt32x3 x, FfxUInt32x3 y, FfxUInt32x3 z) +{ + return max(x, max(y, z)); +} + +/// Compute the maximum of three values. +/// +/// NOTE: This function should compile down to a single V_MAX3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the max calculation. +/// @param [in] y The second value to include in the max calcuation. +/// @param [in] z The third value to include in the max calcuation. +/// +/// @returns +/// The maximum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32x4 ffxMax3(FfxUInt32x4 x, FfxUInt32x4 y, FfxUInt32x4 z) +{ + return max(x, max(y, z)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxMed3(FfxFloat32 x, FfxFloat32 y, FfxFloat32 z) +{ + return max(min(x, y), min(max(x, y), z)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxMed3(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32x2 z) +{ + return max(min(x, y), min(max(x, y), z)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxMed3(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32x3 z) +{ + return max(min(x, y), min(max(x, y), z)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxMed3(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32x4 z) +{ + return max(min(x, y), min(max(x, y), z)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSL +FfxInt32 ffxMed3(FfxInt32 x, FfxInt32 y, FfxInt32 z) +{ + return max(min(x, y), min(max(x, y), z)); + // return min(max(min(y, z), x), max(y, z)); + // return max(max(x, y), z) == x ? max(y, z) : (max(max(x, y), z) == y ? max(x, z) : max(x, y)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSL +FfxInt32x2 ffxMed3(FfxInt32x2 x, FfxInt32x2 y, FfxInt32x2 z) +{ + return max(min(x, y), min(max(x, y), z)); + // return min(max(min(y, z), x), max(y, z)); + // return max(max(x, y), z) == x ? max(y, z) : (max(max(x, y), z) == y ? max(x, z) : max(x, y)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSL +FfxInt32x3 ffxMed3(FfxInt32x3 x, FfxInt32x3 y, FfxInt32x3 z) +{ + return max(min(x, y), min(max(x, y), z)); +} + +/// Compute the median of three values. +/// +/// NOTE: This function should compile down to a single V_MED3_I32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the median calculation. +/// @param [in] y The second value to include in the median calcuation. +/// @param [in] z The third value to include in the median calcuation. +/// +/// @returns +/// The median value of x, y, and z. +/// +/// @ingroup HLSL +FfxInt32x4 ffxMed3(FfxInt32x4 x, FfxInt32x4 y, FfxInt32x4 z) +{ + return max(min(x, y), min(max(x, y), z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32 ffxMin3(FfxFloat32 x, FfxFloat32 y, FfxFloat32 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x2 ffxMin3(FfxFloat32x2 x, FfxFloat32x2 y, FfxFloat32x2 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x3 ffxMin3(FfxFloat32x3 x, FfxFloat32x3 y, FfxFloat32x3 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxFloat32x4 ffxMin3(FfxFloat32x4 x, FfxFloat32x4 y, FfxFloat32x4 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32 ffxMin3(FfxUInt32 x, FfxUInt32 y, FfxUInt32 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32x2 ffxMin3(FfxUInt32x2 x, FfxUInt32x2 y, FfxUInt32x2 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calculation. +/// @param [in] z The third value to include in the min calculation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32x3 ffxMin3(FfxUInt32x3 x, FfxUInt32x3 y, FfxUInt32x3 z) +{ + return min(x, min(y, z)); +} + +/// Compute the minimum of three values. +/// +/// NOTE: This function should compile down to a single V_MIN3_F32 operation on GCN/RDNA hardware. +/// +/// @param [in] x The first value to include in the min calculation. +/// @param [in] y The second value to include in the min calcuation. +/// @param [in] z The third value to include in the min calcuation. +/// +/// @returns +/// The minimum value of x, y, and z. +/// +/// @ingroup HLSLCore +FfxUInt32x4 ffxMin3(FfxUInt32x4 x, FfxUInt32x4 y, FfxUInt32x4 z) +{ + return min(x, min(y, z)); +} + + +FfxUInt32 AShrSU1(FfxUInt32 a, FfxUInt32 b) +{ + return FfxUInt32(FfxInt32(a) >> FfxInt32(b)); +} + +FfxUInt32 ffxPackF32(FfxFloat32x2 v){ + FfxUInt32x2 p = FfxUInt32x2(f32tof16(FfxFloat32x2(v).x), f32tof16(FfxFloat32x2(v).y)); + return p.x | (p.y << 16); +} + +FfxFloat32x2 ffxUnpackF32(FfxUInt32 a){ + return f16tof32(FfxUInt32x2(a & 0xFFFF, a >> 16)); +} + +//============================================================================================================================== +// HLSL HALF +//============================================================================================================================== +//============================================================================================================================== +// Need to use manual unpack to get optimal execution (don't use packed types in buffers directly). +// Unpack requires this pattern: https://gpuopen.com/first-steps-implementing-fp16/ +FFXM_MIN16_F2 ffxUint32ToFloat16x2(FfxUInt32 x) +{ + FfxFloat32x2 t = f16tof32(FfxUInt32x2(x & 0xFFFF, x >> 16)); + return FFXM_MIN16_F2(t); +} +FFXM_MIN16_F4 ffxUint32x2ToFloat16x4(FfxUInt32x2 x) +{ + return FFXM_MIN16_F4(ffxUint32ToFloat16x2(x.x), ffxUint32ToFloat16x2(x.y)); +} +FFXM_MIN16_U2 ffxUint32ToUint16x2(FfxUInt32 x) +{ + FfxUInt32x2 t = FfxUInt32x2(x & 0xFFFF, x >> 16); + return FFXM_MIN16_U2(t); +} +FFXM_MIN16_U4 ffxUint32x2ToUint16x4(FfxUInt32x2 x) +{ + return FFXM_MIN16_U4(ffxUint32ToUint16x2(x.x), ffxUint32ToUint16x2(x.y)); +} + +/// @brief Inverts the value while avoiding division by zero. If the value is zero, zero is returned. +/// @param v Value to invert. +/// @return If v = 0 returns 0. If v != 0 returns 1/v. +FfxFloat32 ffxInvertSafe(FfxFloat32 v){ + FfxFloat32 s = sign(v); + FfxFloat32 s2 = s*s; + return s2/(v + s2 - 1.0); +} + +/// @brief Inverts the value while avoiding division by zero. If the value is zero, zero is returned. +/// @param v Value to invert. +/// @return If v = 0 returns 0. If v != 0 returns 1/v. +FfxFloat32x2 ffxInvertSafe(FfxFloat32x2 v){ + FfxFloat32x2 s = sign(v); + FfxFloat32x2 s2 = s*s; + return s2/(v + s2 - FfxFloat32x2(1.0, 1.0)); +} + +/// @brief Inverts the value while avoiding division by zero. If the value is zero, zero is returned. +/// @param v Value to invert. +/// @return If v = 0 returns 0. If v != 0 returns 1/v. +FfxFloat32x3 ffxInvertSafe(FfxFloat32x3 v){ + FfxFloat32x3 s = sign(v); + FfxFloat32x3 s2 = s*s; + return s2/(v + s2 - FfxFloat32x3(1.0, 1.0, 1.0)); +} + +/// @brief Inverts the value while avoiding division by zero. If the value is zero, zero is returned. +/// @param v Value to invert. +/// @return If v = 0 returns 0. If v != 0 returns 1/v. +FfxFloat32x4 ffxInvertSafe(FfxFloat32x4 v){ + FfxFloat32x4 s = sign(v); + FfxFloat32x4 s2 = s*s; + return s2/(v + s2 - FfxFloat32x4(1.0, 1.0, 1.0, 1.0)); +} + +#define FFXM_UINT32_TO_FLOAT16X2(x) ffxUint32ToFloat16x2(FfxUInt32(x)) +#if FFXM_HALF + +#define FFXM_UINT32X2_TO_FLOAT16X4(x) ffxUint32x2ToFloat16x4(FfxUInt32x2(x)) +#define FFXM_UINT32_TO_UINT16X2(x) ffxUint32ToUint16x2(FfxUInt32(x)) +#define FFXM_UINT32X2_TO_UINT16X4(x) ffxUint32x2ToUint16x4(FfxUInt32x2(x)) + +FfxUInt32 ffxPackF16(FfxFloat16x2 v){ + FfxUInt32x2 p = FfxUInt32x2(f32tof16(FfxFloat32x2(v).x), f32tof16(FfxFloat32x2(v).y)); + return p.x | (p.y << 16); +} + +FfxFloat16x2 ffxUnpackF16(FfxUInt32 a){ + return FfxFloat16x2(f16tof32(FfxUInt32x2(a & 0xFFFF, a >> 16))); +} + +//------------------------------------------------------------------------------------------------------------------------------ +FfxUInt32 FFXM_MIN16_F2ToUint32(FFXM_MIN16_F2 x) +{ + return f32tof16(x.x) + (f32tof16(x.y) << 16); +} +FfxUInt32x2 FFXM_MIN16_F4ToUint32x2(FFXM_MIN16_F4 x) +{ + return FfxUInt32x2(FFXM_MIN16_F2ToUint32(x.xy), FFXM_MIN16_F2ToUint32(x.zw)); +} +FfxUInt32 FFXM_MIN16_U2ToUint32(FFXM_MIN16_U2 x) +{ + return FfxUInt32(x.x) + (FfxUInt32(x.y) << 16); +} +FfxUInt32x2 FFXM_MIN16_U4ToUint32x2(FFXM_MIN16_U4 x) +{ + return FfxUInt32x2(FFXM_MIN16_U2ToUint32(x.xy), FFXM_MIN16_U2ToUint32(x.zw)); +} +#define FFXM_FLOAT16X2_TO_UINT32(x) FFXM_MIN16_F2ToUint32(FFXM_MIN16_F2(x)) +#define FFXM_FLOAT16X4_TO_UINT32X2(x) FFXM_MIN16_F4ToUint32x2(FFXM_MIN16_F4(x)) +#define FFXM_UINT16X2_TO_UINT32(x) FFXM_MIN16_U2ToUint32(FFXM_MIN16_U2(x)) +#define FFXM_UINT16X4_TO_UINT32X2(x) FFXM_MIN16_U4ToUint32x2(FFXM_MIN16_U4(x)) + +#if (FFXM_HLSL_6_2) && !defined(FFXM_NO_16_BIT_CAST) +#define FFXM_TO_UINT16(x) asuint16(x) +#define FFXM_TO_UINT16X2(x) asuint16(x) +#define FFXM_TO_UINT16X3(x) asuint16(x) +#define FFXM_TO_UINT16X4(x) asuint16(x) +#else +#define FFXM_TO_UINT16(a) FFXM_MIN16_U(f32tof16(FfxFloat32(a))) +#define FFXM_TO_UINT16X2(a) FFXM_MIN16_U2(FFXM_TO_UINT16((a).x), FFXM_TO_UINT16((a).y)) +#define FFXM_TO_UINT16X3(a) FFXM_MIN16_U3(FFXM_TO_UINT16((a).x), FFXM_TO_UINT16((a).y), FFXM_TO_UINT16((a).z)) +#define FFXM_TO_UINT16X4(a) FFXM_MIN16_U4(FFXM_TO_UINT16((a).x), FFXM_TO_UINT16((a).y), FFXM_TO_UINT16((a).z), FFXM_TO_UINT16((a).w)) +#endif // #if (FFXM_HLSL_6_2) && !defined(FFXM_NO_16_BIT_CAST) + +#if (FFXM_HLSL_6_2) && !defined(FFXM_NO_16_BIT_CAST) +#define FFXM_TO_FLOAT16(x) asfloat16(x) +#define FFXM_TO_FLOAT16X2(x) asfloat16(x) +#define FFXM_TO_FLOAT16X3(x) asfloat16(x) +#define FFXM_TO_FLOAT16X4(x) asfloat16(x) +#else +#define FFXM_TO_FLOAT16(a) FFXM_MIN16_F(f16tof32(FfxUInt32(a))) +#define FFXM_TO_FLOAT16X2(a) FFXM_MIN16_F2(FFXM_TO_FLOAT16((a).x), FFXM_TO_FLOAT16((a).y)) +#define FFXM_TO_FLOAT16X3(a) FFXM_MIN16_F3(FFXM_TO_FLOAT16((a).x), FFXM_TO_FLOAT16((a).y), FFXM_TO_FLOAT16((a).z)) +#define FFXM_TO_FLOAT16X4(a) FFXM_MIN16_F4(FFXM_TO_FLOAT16((a).x), FFXM_TO_FLOAT16((a).y), FFXM_TO_FLOAT16((a).z), FFXM_TO_FLOAT16((a).w)) +#endif // #if (FFXM_HLSL_6_2) && !defined(FFXM_NO_16_BIT_CAST) + +//============================================================================================================================== +#define FFXM_BROADCAST_FLOAT16(a) FFXM_MIN16_F(a) +#define FFXM_BROADCAST_FLOAT16X2(a) FFXM_MIN16_F(a) +#define FFXM_BROADCAST_FLOAT16X3(a) FFXM_MIN16_F(a) +#define FFXM_BROADCAST_FLOAT16X4(a) FFXM_MIN16_F(a) + +//------------------------------------------------------------------------------------------------------------------------------ +#define FFXM_BROADCAST_INT16(a) FFXM_MIN16_I(a) +#define FFXM_BROADCAST_INT16X2(a) FFXM_MIN16_I(a) +#define FFXM_BROADCAST_INT16X3(a) FFXM_MIN16_I(a) +#define FFXM_BROADCAST_INT16X4(a) FFXM_MIN16_I(a) + +//------------------------------------------------------------------------------------------------------------------------------ +#define FFXM_BROADCAST_UINT16(a) FFXM_MIN16_U(a) +#define FFXM_BROADCAST_UINT16X2(a) FFXM_MIN16_U(a) +#define FFXM_BROADCAST_UINT16X3(a) FFXM_MIN16_U(a) +#define FFXM_BROADCAST_UINT16X4(a) FFXM_MIN16_U(a) + +//============================================================================================================================== +FFXM_MIN16_U ffxAbsHalf(FFXM_MIN16_U a) +{ + return FFXM_MIN16_U(abs(FFXM_MIN16_I(a))); +} +FFXM_MIN16_U2 ffxAbsHalf(FFXM_MIN16_U2 a) +{ + return FFXM_MIN16_U2(abs(FFXM_MIN16_I2(a))); +} +FFXM_MIN16_U3 ffxAbsHalf(FFXM_MIN16_U3 a) +{ + return FFXM_MIN16_U3(abs(FFXM_MIN16_I3(a))); +} +FFXM_MIN16_U4 ffxAbsHalf(FFXM_MIN16_U4 a) +{ + return FFXM_MIN16_U4(abs(FFXM_MIN16_I4(a))); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxClampHalf(FFXM_MIN16_F x, FFXM_MIN16_F n, FFXM_MIN16_F m) +{ + return max(n, min(x, m)); +} +FFXM_MIN16_F2 ffxClampHalf(FFXM_MIN16_F2 x, FFXM_MIN16_F2 n, FFXM_MIN16_F2 m) +{ + return max(n, min(x, m)); +} +FFXM_MIN16_F3 ffxClampHalf(FFXM_MIN16_F3 x, FFXM_MIN16_F3 n, FFXM_MIN16_F3 m) +{ + return max(n, min(x, m)); +} +FFXM_MIN16_F4 ffxClampHalf(FFXM_MIN16_F4 x, FFXM_MIN16_F4 n, FFXM_MIN16_F4 m) +{ + return max(n, min(x, m)); +} +//------------------------------------------------------------------------------------------------------------------------------ +// V_FRACT_F16 (note DX frac() is different). +FFXM_MIN16_F ffxFract(FFXM_MIN16_F x) +{ + return x - floor(x); +} +FFXM_MIN16_F2 ffxFract(FFXM_MIN16_F2 x) +{ + return x - floor(x); +} +FFXM_MIN16_F3 ffxFract(FFXM_MIN16_F3 x) +{ + return x - floor(x); +} +FFXM_MIN16_F4 ffxFract(FFXM_MIN16_F4 x) +{ + return x - floor(x); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxLerp(FFXM_MIN16_F x, FFXM_MIN16_F y, FFXM_MIN16_F a) +{ + return lerp(x, y, a); +} +FFXM_MIN16_F2 ffxLerp(FFXM_MIN16_F2 x, FFXM_MIN16_F2 y, FFXM_MIN16_F a) +{ + return lerp(x, y, a); +} +FFXM_MIN16_F2 ffxLerp(FFXM_MIN16_F2 x, FFXM_MIN16_F2 y, FFXM_MIN16_F2 a) +{ + return lerp(x, y, a); +} +FFXM_MIN16_F3 ffxLerp(FFXM_MIN16_F3 x, FFXM_MIN16_F3 y, FFXM_MIN16_F a) +{ + return lerp(x, y, a); +} +FFXM_MIN16_F3 ffxLerp(FFXM_MIN16_F3 x, FFXM_MIN16_F3 y, FFXM_MIN16_F3 a) +{ + return lerp(x, y, a); +} +FFXM_MIN16_F4 ffxLerp(FFXM_MIN16_F4 x, FFXM_MIN16_F4 y, FFXM_MIN16_F a) +{ + return lerp(x, y, a); +} +FFXM_MIN16_F4 ffxLerp(FFXM_MIN16_F4 x, FFXM_MIN16_F4 y, FFXM_MIN16_F4 a) +{ + return lerp(x, y, a); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxMax3Half(FFXM_MIN16_F x, FFXM_MIN16_F y, FFXM_MIN16_F z) +{ + return max(x, max(y, z)); +} +FFXM_MIN16_F2 ffxMax3Half(FFXM_MIN16_F2 x, FFXM_MIN16_F2 y, FFXM_MIN16_F2 z) +{ + return max(x, max(y, z)); +} +FFXM_MIN16_F3 ffxMax3Half(FFXM_MIN16_F3 x, FFXM_MIN16_F3 y, FFXM_MIN16_F3 z) +{ + return max(x, max(y, z)); +} +FFXM_MIN16_F4 ffxMax3Half(FFXM_MIN16_F4 x, FFXM_MIN16_F4 y, FFXM_MIN16_F4 z) +{ + return max(x, max(y, z)); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxMin3Half(FFXM_MIN16_F x, FFXM_MIN16_F y, FFXM_MIN16_F z) +{ + return min(x, min(y, z)); +} +FFXM_MIN16_F2 ffxMin3Half(FFXM_MIN16_F2 x, FFXM_MIN16_F2 y, FFXM_MIN16_F2 z) +{ + return min(x, min(y, z)); +} +FFXM_MIN16_F3 ffxMin3Half(FFXM_MIN16_F3 x, FFXM_MIN16_F3 y, FFXM_MIN16_F3 z) +{ + return min(x, min(y, z)); +} +FFXM_MIN16_F4 ffxMin3Half(FFXM_MIN16_F4 x, FFXM_MIN16_F4 y, FFXM_MIN16_F4 z) +{ + return min(x, min(y, z)); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxMed3Half(FFXM_MIN16_F x, FFXM_MIN16_F y, FFXM_MIN16_F z) +{ + return max(min(x, y), min(max(x, y), z)); +} +FFXM_MIN16_F2 ffxMed3Half(FFXM_MIN16_F2 x, FFXM_MIN16_F2 y, FFXM_MIN16_F2 z) +{ + return max(min(x, y), min(max(x, y), z)); +} +FFXM_MIN16_F3 ffxMed3Half(FFXM_MIN16_F3 x, FFXM_MIN16_F3 y, FFXM_MIN16_F3 z) +{ + return max(min(x, y), min(max(x, y), z)); +} +FFXM_MIN16_F4 ffxMed3Half(FFXM_MIN16_F4 x, FFXM_MIN16_F4 y, FFXM_MIN16_F4 z) +{ + return max(min(x, y), min(max(x, y), z)); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_I ffxMed3Half(FFXM_MIN16_I x, FFXM_MIN16_I y, FFXM_MIN16_I z) +{ + return max(min(x, y), min(max(x, y), z)); +} +FFXM_MIN16_I2 ffxMed3Half(FFXM_MIN16_I2 x, FFXM_MIN16_I2 y, FFXM_MIN16_I2 z) +{ + return max(min(x, y), min(max(x, y), z)); +} +FFXM_MIN16_I3 ffxMed3Half(FFXM_MIN16_I3 x, FFXM_MIN16_I3 y, FFXM_MIN16_I3 z) +{ + return max(min(x, y), min(max(x, y), z)); +} +FFXM_MIN16_I4 ffxMed3Half(FFXM_MIN16_I4 x, FFXM_MIN16_I4 y, FFXM_MIN16_I4 z) +{ + return max(min(x, y), min(max(x, y), z)); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxReciprocalHalf(FFXM_MIN16_F x) +{ + return rcp(x); +} +FFXM_MIN16_F2 ffxReciprocalHalf(FFXM_MIN16_F2 x) +{ + return rcp(x); +} +FFXM_MIN16_F3 ffxReciprocalHalf(FFXM_MIN16_F3 x) +{ + return rcp(x); +} +FFXM_MIN16_F4 ffxReciprocalHalf(FFXM_MIN16_F4 x) +{ + return rcp(x); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxReciprocalSquareRootHalf(FFXM_MIN16_F x) +{ + return rsqrt(x); +} +FFXM_MIN16_F2 ffxReciprocalSquareRootHalf(FFXM_MIN16_F2 x) +{ + return rsqrt(x); +} +FFXM_MIN16_F3 ffxReciprocalSquareRootHalf(FFXM_MIN16_F3 x) +{ + return rsqrt(x); +} +FFXM_MIN16_F4 ffxReciprocalSquareRootHalf(FFXM_MIN16_F4 x) +{ + return rsqrt(x); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_F ffxSaturate(FFXM_MIN16_F x) +{ + return saturate(x); +} +FFXM_MIN16_F2 ffxSaturate(FFXM_MIN16_F2 x) +{ + return saturate(x); +} +FFXM_MIN16_F3 ffxSaturate(FFXM_MIN16_F3 x) +{ + return saturate(x); +} +FFXM_MIN16_F4 ffxSaturate(FFXM_MIN16_F4 x) +{ + return saturate(x); +} +//------------------------------------------------------------------------------------------------------------------------------ +FFXM_MIN16_U ffxBitShiftRightHalf(FFXM_MIN16_U a, FFXM_MIN16_U b) +{ + return FFXM_MIN16_U(FFXM_MIN16_I(a) >> FFXM_MIN16_I(b)); +} +FFXM_MIN16_U2 ffxBitShiftRightHalf(FFXM_MIN16_U2 a, FFXM_MIN16_U2 b) +{ + return FFXM_MIN16_U2(FFXM_MIN16_I2(a) >> FFXM_MIN16_I2(b)); +} +FFXM_MIN16_U3 ffxBitShiftRightHalf(FFXM_MIN16_U3 a, FFXM_MIN16_U3 b) +{ + return FFXM_MIN16_U3(FFXM_MIN16_I3(a) >> FFXM_MIN16_I3(b)); +} +FFXM_MIN16_U4 ffxBitShiftRightHalf(FFXM_MIN16_U4 a, FFXM_MIN16_U4 b) +{ + return FFXM_MIN16_U4(FFXM_MIN16_I4(a) >> FFXM_MIN16_I4(b)); +} +#endif // FFXM_HALF + +//============================================================================================================================== +// HLSL WAVE +//============================================================================================================================== +#if defined(FFXM_WAVE) +// Where 'x' must be a compile time literal. +FfxFloat32 AWaveXorF1(FfxFloat32 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxFloat32x2 AWaveXorF2(FfxFloat32x2 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxFloat32x3 AWaveXorF3(FfxFloat32x3 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxFloat32x4 AWaveXorF4(FfxFloat32x4 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxUInt32 AWaveXorU1(FfxUInt32 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxUInt32x2 AWaveXorU1(FfxUInt32x2 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxUInt32x3 AWaveXorU1(FfxUInt32x3 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxUInt32x4 AWaveXorU1(FfxUInt32x4 v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, WaveGetLaneIndex() ^ x); +} +FfxBoolean AWaveIsFirstLane() +{ + return WaveIsFirstLane(); +} +FfxUInt32 AWaveLaneIndex() +{ + return WaveGetLaneIndex(); +} +FfxBoolean AWaveReadAtLaneIndexB1(FfxBoolean v, FfxUInt32 x) +{ + return WaveReadLaneAt(v, x); +} +FfxUInt32 AWavePrefixCountBits(FfxBoolean v) +{ + return WavePrefixCountBits(v); +} +FfxUInt32 AWaveActiveCountBits(FfxBoolean v) +{ + return WaveActiveCountBits(v); +} +FfxUInt32 AWaveReadLaneFirstU1(FfxUInt32 v) +{ + return WaveReadLaneFirst(v); +} +FfxUInt32 WaveOr(FfxUInt32 a) +{ + return WaveActiveBitOr(a); +} +FfxFloat32 WaveMin(FfxFloat32 a) +{ + return WaveActiveMin(a); +} +FfxFloat32 WaveMax(FfxFloat32 a) +{ + return WaveActiveMax(a); +} +FfxUInt32 WaveLaneCount() +{ + return WaveGetLaneCount(); +} +FfxBoolean WaveAllTrue(FfxBoolean v) +{ + return WaveActiveAllTrue(v); +} +FfxFloat32 QuadReadX(FfxFloat32 v) +{ + return QuadReadAcrossX(v); +} +FfxFloat32x2 QuadReadX(FfxFloat32x2 v) +{ + return QuadReadAcrossX(v); +} +FfxFloat32 QuadReadY(FfxFloat32 v) +{ + return QuadReadAcrossY(v); +} +FfxFloat32x2 QuadReadY(FfxFloat32x2 v) +{ + return QuadReadAcrossY(v); +} + +#if FFXM_HALF +FfxFloat16x2 ffxWaveXorFloat16x2(FfxFloat16x2 v, FfxUInt32 x) +{ + return FFXM_UINT32_TO_FLOAT16X2(WaveReadLaneAt(FFXM_FLOAT16X2_TO_UINT32(v), WaveGetLaneIndex() ^ x)); +} +FfxFloat16x4 ffxWaveXorFloat16x4(FfxFloat16x4 v, FfxUInt32 x) +{ + return FFXM_UINT32X2_TO_FLOAT16X4(WaveReadLaneAt(FFXM_FLOAT16X4_TO_UINT32X2(v), WaveGetLaneIndex() ^ x)); +} +FfxUInt16x2 ffxWaveXorUint16x2(FfxUInt16x2 v, FfxUInt32 x) +{ + return FFXM_UINT32_TO_UINT16X2(WaveReadLaneAt(FFXM_UINT16X2_TO_UINT32(v), WaveGetLaneIndex() ^ x)); +} +FfxUInt16x4 ffxWaveXorUint16x4(FfxUInt16x4 v, FfxUInt32 x) +{ + return FFXM_UINT32X2_TO_UINT16X4(WaveReadLaneAt(FFXM_UINT16X4_TO_UINT32X2(v), WaveGetLaneIndex() ^ x)); +} +#endif // FFXM_HALF +#endif // #if defined(FFXM_WAVE) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h.meta new file mode 100644 index 0000000..9f41d30 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 3414d977001cdfc47846380911de9f05 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h new file mode 100644 index 0000000..368cb2c --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h @@ -0,0 +1,50 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +FfxFloat32x3 opAAddOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b) +{ + d = a + ffxBroadcast3(b); + return d; +} + +FfxFloat32x3 opACpyF3(FfxFloat32x3 d, FfxFloat32x3 a) +{ + d = a; + return d; +} + +FfxFloat32x3 opAMulF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32x3 b) +{ + d = a * b; + return d; +} + +FfxFloat32x3 opAMulOneF3(FfxFloat32x3 d, FfxFloat32x3 a, FfxFloat32 b) +{ + d = a * ffxBroadcast3(b); + return d; +} + +FfxFloat32x3 opARcpF3(FfxFloat32x3 d, FfxFloat32x3 a) +{ + d = rcp(a); + return d; +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h.meta new file mode 100644 index 0000000..6858a54 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: c599687271fc4f444a2858745fc7f0c5 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl new file mode 100644 index 0000000..581eecf --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl @@ -0,0 +1,103 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_INPUT_EXPOSURE 0 +#define FSR2_BIND_SRV_DILATED_REACTIVE_MASKS 1 +#if FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS +#define FSR2_BIND_SRV_DILATED_MOTION_VECTORS 2 +#else +#define FSR2_BIND_SRV_INPUT_MOTION_VECTORS 2 +#endif +#define FSR2_BIND_SRV_INTERNAL_UPSCALED 3 +#define FSR2_BIND_SRV_LOCK_STATUS 4 +#define FSR2_BIND_SRV_PREPARED_INPUT_COLOR 5 +#define FSR2_BIND_SRV_LANCZOS_LUT 6 +#define FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT 7 +#define FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS 8 +#define FSR2_BIND_SRV_AUTO_EXPOSURE 9 +#define FSR2_BIND_SRV_LUMA_HISTORY 10 +#define FSR2_BIND_SRV_TEMPORAL_REACTIVE 11 + +#define FSR2_BIND_UAV_NEW_LOCKS 12 + +#define FSR2_BIND_CB_FSR2 0 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" +#include "fsr2/ffxm_fsr2_sample.h" +#include "fsr2/ffxm_fsr2_upsample.h" +#include "fsr2/ffxm_fsr2_postprocess_lock_status.h" +#include "fsr2/ffxm_fsr2_reproject.h" +#include "fsr2/ffxm_fsr2_accumulate.h" + +struct VertexOut +{ + float4 position : SV_POSITION; +}; + +struct AccumulateOutputsFS +{ +#if !FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE + FfxFloat32x4 fColorAndWeight : SV_TARGET0; + FfxFloat32x2 fLockStatus : SV_TARGET1; + FfxFloat32x4 fLumaHistory : SV_TARGET2; +#if FFXM_FSR2_OPTION_APPLY_SHARPENING == 0 + FfxFloat32x3 fColor : SV_TARGET3; +#endif +#else // FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE + FfxFloat32x3 fUpscaledColor : SV_TARGET0; + FfxFloat32 fTemporalReactive : SV_TARGET1; + FfxFloat32x2 fLockStatus : SV_TARGET2; +#if FFXM_FSR2_OPTION_APPLY_SHARPENING == 0 + FfxFloat32x3 fColor : SV_TARGET3; +#endif +#endif +}; + +AccumulateOutputsFS main(float4 SvPosition : SV_POSITION) +{ + uint2 uPixelCoord = uint2(SvPosition.xy); + AccumulateOutputs result = Accumulate(uPixelCoord); + AccumulateOutputsFS output = (AccumulateOutputsFS)0; +#if !FFXM_SHADER_QUALITY_BALANCED_OR_PERFORMANCE + output.fColorAndWeight = result.fColorAndWeight; + output.fLumaHistory = result.fLumaHistory; +#else + output.fUpscaledColor = result.fUpscaledColor; + output.fTemporalReactive = result.fTemporalReactive; +#endif + output.fLockStatus = result.fLockStatus; +#if FFXM_FSR2_OPTION_APPLY_SHARPENING == 0 + output.fColor = result.fColor; +#endif + return output; +} \ No newline at end of file diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl.meta new file mode 100644 index 0000000..7d82e1e --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: 63de8005a89afab4298bbc1e2edf2a01 +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl new file mode 100644 index 0000000..1f1472f --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl @@ -0,0 +1,83 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_INPUT_OPAQUE_ONLY 0 +#define FSR2_BIND_SRV_INPUT_COLOR 1 + +#define FSR2_BIND_CB_FSR2 0 +#define FSR2_BIND_CB_REACTIVE 1 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" + +struct GenReactiveMaskOutputs +{ + FfxFloat32 fReactiveMask : SV_TARGET0; +}; + +struct VertexOut +{ + float4 position : SV_POSITION; +}; + +GenReactiveMaskOutputs main(float4 SvPosition : SV_POSITION) +{ + uint2 uPixelCoord = uint2(SvPosition.xy); + + float3 ColorPreAlpha = LoadOpaqueOnly( FFXM_MIN16_I2(uPixelCoord) ).rgb; + float3 ColorPostAlpha = LoadInputColor(uPixelCoord).rgb; + + if (GenReactiveFlags() & FFXM_FSR2_AUTOREACTIVEFLAGS_APPLY_TONEMAP) + { + ColorPreAlpha = Tonemap(ColorPreAlpha); + ColorPostAlpha = Tonemap(ColorPostAlpha); + } + + if (GenReactiveFlags() & FFXM_FSR2_AUTOREACTIVEFLAGS_APPLY_INVERSETONEMAP) + { + ColorPreAlpha = InverseTonemap(ColorPreAlpha); + ColorPostAlpha = InverseTonemap(ColorPostAlpha); + } + + float out_reactive_value = 0.f; + float3 delta = abs(ColorPostAlpha - ColorPreAlpha); + + out_reactive_value = (GenReactiveFlags() & FFXM_FSR2_AUTOREACTIVEFLAGS_USE_COMPONENTS_MAX) ? max(delta.x, max(delta.y, delta.z)) : length(delta); + out_reactive_value *= GenReactiveScale(); + + out_reactive_value = (GenReactiveFlags() & FFXM_FSR2_AUTOREACTIVEFLAGS_APPLY_THRESHOLD) ? (out_reactive_value < GenReactiveThreshold() ? 0 : GenReactiveBinaryValue()) : out_reactive_value; + + GenReactiveMaskOutputs results = (GenReactiveMaskOutputs)0; + results.fReactiveMask = out_reactive_value; + + return results; +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl.meta new file mode 100644 index 0000000..04141bb --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_autogen_reactive_pass_fs.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: 59f96f119bfba924198951bea4194ecd +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl new file mode 100644 index 0000000..3e73211 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl @@ -0,0 +1,66 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_INPUT_COLOR 0 + +#define FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC 1 +#define FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE 2 +#define FSR2_BIND_UAV_EXPOSURE_MIP_5 3 +#define FSR2_BIND_UAV_AUTO_EXPOSURE 4 + +#define FSR2_BIND_CB_FSR2 0 +#define FSR2_BIND_CB_SPD 1 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" +#include "fsr2/ffxm_fsr2_compute_luminance_pyramid.h" + +#ifndef FFXM_FSR2_THREAD_GROUP_WIDTH +#define FFXM_FSR2_THREAD_GROUP_WIDTH 256 +#endif // #ifndef FFXM_FSR2_THREAD_GROUP_WIDTH +#ifndef FFXM_FSR2_THREAD_GROUP_HEIGHT +#define FFXM_FSR2_THREAD_GROUP_HEIGHT 1 +#endif // #ifndef FFXM_FSR2_THREAD_GROUP_HEIGHT +#ifndef FFXM_FSR2_THREAD_GROUP_DEPTH +#define FFXM_FSR2_THREAD_GROUP_DEPTH 1 +#endif // #ifndef FFXM_FSR2_THREAD_GROUP_DEPTH +#ifndef FFXM_FSR2_NUM_THREADS +#define FFXM_FSR2_NUM_THREADS [numthreads(FFXM_FSR2_THREAD_GROUP_WIDTH, FFXM_FSR2_THREAD_GROUP_HEIGHT, FFXM_FSR2_THREAD_GROUP_DEPTH)] +#endif // #ifndef FFXM_FSR2_NUM_THREADS + +FFXM_PREFER_WAVE64 +FFXM_FSR2_NUM_THREADS +FFXM_FSR2_EMBED_CB2_ROOTSIG_CONTENT +void main(uint3 WorkGroupId : SV_GroupID, uint LocalThreadIndex : SV_GroupIndex) +{ + ComputeAutoExposure(WorkGroupId, LocalThreadIndex); +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl.meta new file mode 100644 index 0000000..a066167 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_compute_luminance_pyramid_pass.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: 4670a9ebaa60c3143be978efc227163b +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl new file mode 100644 index 0000000..bd3723a --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl @@ -0,0 +1,71 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH 0 +#define FSR2_BIND_SRV_DILATED_MOTION_VECTORS 1 +#define FSR2_BIND_SRV_DILATED_DEPTH 2 +#define FSR2_BIND_SRV_REACTIVE_MASK 3 +#define FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK 4 +#define FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS 5 +#define FSR2_BIND_SRV_INPUT_MOTION_VECTORS 6 +#define FSR2_BIND_SRV_INPUT_COLOR 7 +#define FSR2_BIND_SRV_INPUT_DEPTH 8 +#define FSR2_BIND_SRV_INPUT_EXPOSURE 9 + +#define FSR2_BIND_CB_FSR2 0 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" +#include "fsr2/ffxm_fsr2_sample.h" +#include "fsr2/ffxm_fsr2_depth_clip.h" + +struct VertexOut +{ + float4 position : SV_POSITION; +}; + + +struct DepthClipOutputsFS +{ + FfxFloat32x2 fDilatedReactiveMasks : SV_TARGET0; + FfxFloat32x4 fTonemapped : SV_TARGET1; +}; + +DepthClipOutputsFS main(float4 SvPosition : SV_POSITION) +{ + uint2 uPixelCoord = uint2(SvPosition.xy); + DepthClipOutputs result = DepthClip(uPixelCoord); + DepthClipOutputsFS output = (DepthClipOutputsFS)0; + output.fDilatedReactiveMasks = result.fDilatedReactiveMasks; + output.fTonemapped = result.fTonemapped; + return output; +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl.meta new file mode 100644 index 0000000..c6497c2 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: 2825c941cb2d43145b426c42ec6e7869 +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl new file mode 100644 index 0000000..f8166e1 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl @@ -0,0 +1,66 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_LOCK_INPUT_LUMA 0 + +#define FSR2_BIND_UAV_NEW_LOCKS 1 +#define FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH 2 + +#define FSR2_BIND_CB_FSR2 0 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" +#include "fsr2/ffxm_fsr2_sample.h" +#include "fsr2/ffxm_fsr2_lock.h" + +#ifndef FFXM_FSR2_THREAD_GROUP_WIDTH +#define FFXM_FSR2_THREAD_GROUP_WIDTH 8 +#endif // #ifndef FFXM_FSR2_THREAD_GROUP_WIDTH +#ifndef FFXM_FSR2_THREAD_GROUP_HEIGHT +#define FFXM_FSR2_THREAD_GROUP_HEIGHT 8 +#endif // #ifndef FFXM_FSR2_THREAD_GROUP_HEIGHT +#ifndef FFXM_FSR2_THREAD_GROUP_DEPTH +#define FFXM_FSR2_THREAD_GROUP_DEPTH 1 +#endif // #ifndef FFXM_FSR2_THREAD_GROUP_DEPTH +#ifndef FFXM_FSR2_NUM_THREADS +#define FFXM_FSR2_NUM_THREADS [numthreads(FFXM_FSR2_THREAD_GROUP_WIDTH, FFXM_FSR2_THREAD_GROUP_HEIGHT, FFXM_FSR2_THREAD_GROUP_DEPTH)] +#endif // #ifndef FFXM_FSR2_NUM_THREADS + +FFXM_PREFER_WAVE64 +FFXM_FSR2_NUM_THREADS +FFXM_FSR2_EMBED_ROOTSIG_CONTENT +void main(uint2 uGroupId : SV_GroupID, uint2 uGroupThreadId : SV_GroupThreadID) +{ + uint2 uDispatchThreadId = uGroupId * uint2(FFXM_FSR2_THREAD_GROUP_WIDTH, FFXM_FSR2_THREAD_GROUP_HEIGHT) + uGroupThreadId; + + ComputeLock(uDispatchThreadId); +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl.meta new file mode 100644 index 0000000..6867472 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: 78914a065e6727e4d8255fb76b44d5da +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl new file mode 100644 index 0000000..ad49951 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl @@ -0,0 +1,60 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_INPUT_EXPOSURE 0 +#define FSR2_BIND_SRV_RCAS_INPUT 1 + +#define FSR2_BIND_CB_FSR2 0 +#define FSR2_BIND_CB_RCAS 1 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" +#include "fsr2/ffxm_fsr2_rcas.h" + +struct VertexOut +{ + float4 position : SV_POSITION; +}; + +struct RCASOutputsFS +{ + FfxFloat32x3 fUpscaledColor : SV_TARGET0; +}; + +RCASOutputsFS main(float4 SvPosition : SV_POSITION) +{ + uint2 uPixelCoord = uint2(SvPosition.xy); + RCASOutputs result = RCAS(uPixelCoord); + RCASOutputsFS output = (RCASOutputsFS)0; + output.fUpscaledColor = result.fUpscaledColor; + return output; +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl.meta new file mode 100644 index 0000000..ce5e743 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: 16a306235fdc01044a347f0cb0a9b147 +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl new file mode 100644 index 0000000..ef0a1b8 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl @@ -0,0 +1,69 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define FSR2_BIND_SRV_INPUT_MOTION_VECTORS 0 +#define FSR2_BIND_SRV_INPUT_DEPTH 1 +#define FSR2_BIND_SRV_INPUT_COLOR 2 +#define FSR2_BIND_SRV_INPUT_EXPOSURE 3 + +#define FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH 4 + +#define FSR2_BIND_CB_FSR2 0 + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" +#include "fsr2/ffxm_fsr2_sample.h" +#include "fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h" + +struct VertexOut +{ + float4 position : SV_POSITION; +}; + +struct ReconstructPrevDepthOutputsFS +{ + FfxFloat32 fDepth : SV_TARGET0; + FfxFloat32x2 fMotionVector : SV_TARGET1; + FfxFloat32 fLuma : SV_TARGET2; +}; + + +ReconstructPrevDepthOutputsFS main(float4 SvPosition : SV_POSITION) +{ + uint2 uPixelCoord = uint2(SvPosition.xy); + ReconstructPrevDepthOutputs result = ReconstructAndDilate(uPixelCoord); + ReconstructPrevDepthOutputsFS output = (ReconstructPrevDepthOutputsFS)0; + output.fDepth = result.fDepth; + output.fMotionVector = result.fMotionVector; + output.fLuma = result.fLuma; + return output; +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl.meta new file mode 100644 index 0000000..7888885 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: bdcb34025b67be743a32494703775cc1 +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl new file mode 100644 index 0000000..d657150 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl @@ -0,0 +1,50 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +// Global mandatory defines +#if !defined(FFXM_HALF) +#define FFXM_HALF 1 +#endif +#if !defined(FFXM_GPU) +#define FFXM_GPU 1 +#endif +#if !defined(FFXM_HLSL) +#define FFXM_HLSL 1 +#endif + +#define FSR2_BIND_CB_FSR2 0 + +#include "fsr2/ffxm_fsr2_callbacks_hlsl.h" +#include "fsr2/ffxm_fsr2_common.h" + +struct VertexOut +{ + float4 position : SV_POSITION; +}; + +VertexOut main(uint uVertexId : SV_VERTEXID) +{ + VertexOut output; + float2 uv = float2(uVertexId & 1, uVertexId >> 1) * 2.0; + output.position = float4(uv * 2.0 - 1.0, 0.0, 1.0); + + return output; +} \ No newline at end of file diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl.meta new file mode 100644 index 0000000..5d65f24 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl.meta @@ -0,0 +1,7 @@ +fileFormatVersion: 2 +guid: a9dfeac9728e7404f97655aac002e5eb +ShaderIncludeImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1.meta new file mode 100644 index 0000000..431aa13 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2 +guid: 825bf9eee2b16c7499e5cfb3c9721df0 +folderAsset: yes +DefaultImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h new file mode 100644 index 0000000..ad5c865 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h @@ -0,0 +1,1251 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +/// @defgroup FfxGPUFsr1 FidelityFX FSR1 +/// FidelityFX Super Resolution 1 GPU documentation +/// +/// @ingroup FfxGPUEffects + +/// Setup required constant values for EASU (works on CPU or GPU). +/// +/// @param [out] con0 +/// @param [out] con1 +/// @param [out] con2 +/// @param [out] con3 +/// @param [in] inputViewportInPixelsX The rendered image resolution being upscaled in X dimension. +/// @param [in] inputViewportInPixelsY The rendered image resolution being upscaled in Y dimension. +/// @param [in] inputSizeInPixelsX The resolution of the resource containing the input image (useful for dynamic resolution) in X dimension. +/// @param [in] inputSizeInPixelsY The resolution of the resource containing the input image (useful for dynamic resolution) in Y dimension. +/// @param [in] outputSizeInPixelsX The display resolution which the input image gets upscaled to in X dimension. +/// @param [in] outputSizeInPixelsY The display resolution which the input image gets upscaled to in Y dimension. +/// +/// @ingroup FfxGPUFsr1 +FFXM_STATIC void ffxFsrPopulateEasuConstants( + FFXM_PARAMETER_INOUT FfxUInt32x4 con0, + FFXM_PARAMETER_INOUT FfxUInt32x4 con1, + FFXM_PARAMETER_INOUT FfxUInt32x4 con2, + FFXM_PARAMETER_INOUT FfxUInt32x4 con3, + FFXM_PARAMETER_IN FfxFloat32 inputViewportInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 inputViewportInPixelsY, + FFXM_PARAMETER_IN FfxFloat32 inputSizeInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 inputSizeInPixelsY, + FFXM_PARAMETER_IN FfxFloat32 outputSizeInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 outputSizeInPixelsY) +{ + // Output integer position to a pixel position in viewport. + con0[0] = ffxAsUInt32(inputViewportInPixelsX * ffxReciprocal(outputSizeInPixelsX)); + con0[1] = ffxAsUInt32(inputViewportInPixelsY * ffxReciprocal(outputSizeInPixelsY)); + con0[2] = ffxAsUInt32(FfxFloat32(0.5) * inputViewportInPixelsX * ffxReciprocal(outputSizeInPixelsX) - FfxFloat32(0.5)); + con0[3] = ffxAsUInt32(FfxFloat32(0.5) * inputViewportInPixelsY * ffxReciprocal(outputSizeInPixelsY) - FfxFloat32(0.5)); + + // Viewport pixel position to normalized image space. + // This is used to get upper-left of 'F' tap. + con1[0] = ffxAsUInt32(ffxReciprocal(inputSizeInPixelsX)); + con1[1] = ffxAsUInt32(ffxReciprocal(inputSizeInPixelsY)); + + // Centers of gather4, first offset from upper-left of 'F'. + // +---+---+ + // | | | + // +--(0)--+ + // | b | c | + // +---F---+---+---+ + // | e | f | g | h | + // +--(1)--+--(2)--+ + // | i | j | k | l | + // +---+---+---+---+ + // | n | o | + // +--(3)--+ + // | | | + // +---+---+ + con1[2] = ffxAsUInt32(FfxFloat32(1.0) * ffxReciprocal(inputSizeInPixelsX)); + con1[3] = ffxAsUInt32(FfxFloat32(-1.0) * ffxReciprocal(inputSizeInPixelsY)); + + // These are from (0) instead of 'F'. + con2[0] = ffxAsUInt32(FfxFloat32(-1.0) * ffxReciprocal(inputSizeInPixelsX)); + con2[1] = ffxAsUInt32(FfxFloat32(2.0) * ffxReciprocal(inputSizeInPixelsY)); + con2[2] = ffxAsUInt32(FfxFloat32(1.0) * ffxReciprocal(inputSizeInPixelsX)); + con2[3] = ffxAsUInt32(FfxFloat32(2.0) * ffxReciprocal(inputSizeInPixelsY)); + con3[0] = ffxAsUInt32(FfxFloat32(0.0) * ffxReciprocal(inputSizeInPixelsX)); + con3[1] = ffxAsUInt32(FfxFloat32(4.0) * ffxReciprocal(inputSizeInPixelsY)); + con3[2] = con3[3] = 0; +} + +/// Setup required constant values for EASU (works on CPU or GPU). +/// +/// @param [out] con0 +/// @param [out] con1 +/// @param [out] con2 +/// @param [out] con3 +/// @param [in] inputViewportInPixelsX The resolution of the input in the X dimension. +/// @param [in] inputViewportInPixelsY The resolution of the input in the Y dimension. +/// @param [in] inputSizeInPixelsX The input size in pixels in the X dimension. +/// @param [in] inputSizeInPixelsY The input size in pixels in the Y dimension. +/// @param [in] outputSizeInPixelsX The output size in pixels in the X dimension. +/// @param [in] outputSizeInPixelsY The output size in pixels in the Y dimension. +/// @param [in] inputOffsetInPixelsX The input image offset in the X dimension into the resource containing it (useful for dynamic resolution). +/// @param [in] inputOffsetInPixelsY The input image offset in the Y dimension into the resource containing it (useful for dynamic resolution). +/// +/// @ingroup FfxGPUFsr1 +FFXM_STATIC void ffxFsrPopulateEasuConstantsOffset( + FFXM_PARAMETER_INOUT FfxUInt32x4 con0, + FFXM_PARAMETER_INOUT FfxUInt32x4 con1, + FFXM_PARAMETER_INOUT FfxUInt32x4 con2, + FFXM_PARAMETER_INOUT FfxUInt32x4 con3, + FFXM_PARAMETER_IN FfxFloat32 inputViewportInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 inputViewportInPixelsY, + FFXM_PARAMETER_IN FfxFloat32 inputSizeInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 inputSizeInPixelsY, + FFXM_PARAMETER_IN FfxFloat32 outputSizeInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 outputSizeInPixelsY, + FFXM_PARAMETER_IN FfxFloat32 inputOffsetInPixelsX, + FFXM_PARAMETER_IN FfxFloat32 inputOffsetInPixelsY) +{ + ffxFsrPopulateEasuConstants( + con0, + con1, + con2, + con3, + inputViewportInPixelsX, + inputViewportInPixelsY, + inputSizeInPixelsX, + inputSizeInPixelsY, + outputSizeInPixelsX, + outputSizeInPixelsY); + + // override + con0[2] = ffxAsUInt32(FfxFloat32(0.5) * inputViewportInPixelsX * ffxReciprocal(outputSizeInPixelsX) - FfxFloat32(0.5) + inputOffsetInPixelsX); + con0[3] = ffxAsUInt32(FfxFloat32(0.5) * inputViewportInPixelsY * ffxReciprocal(outputSizeInPixelsY) - FfxFloat32(0.5) + inputOffsetInPixelsY); +} + +#if defined(FFXM_GPU) && defined(FFXM_FSR_EASU_FLOAT) +// Input callback prototypes, need to be implemented by calling shader +FfxFloat32x4 FsrEasuRF(FfxFloat32x2 p); +FfxFloat32x4 FsrEasuGF(FfxFloat32x2 p); +FfxFloat32x4 FsrEasuBF(FfxFloat32x2 p); + +// Filtering for a given tap for the scalar. +void fsrEasuTapFloat( + FFXM_PARAMETER_INOUT FfxFloat32x3 accumulatedColor, // Accumulated color, with negative lobe. + FFXM_PARAMETER_INOUT FfxFloat32 accumulatedWeight, // Accumulated weight. + FFXM_PARAMETER_IN FfxFloat32x2 pixelOffset, // Pixel offset from resolve position to tap. + FFXM_PARAMETER_IN FfxFloat32x2 gradientDirection, // Gradient direction. + FFXM_PARAMETER_IN FfxFloat32x2 length, // Length. + FFXM_PARAMETER_IN FfxFloat32 negativeLobeStrength, // Negative lobe strength. + FFXM_PARAMETER_IN FfxFloat32 clippingPoint, // Clipping point. + FFXM_PARAMETER_IN FfxFloat32x3 color) // Tap color. +{ + // Rotate offset by direction. + FfxFloat32x2 rotatedOffset; + rotatedOffset.x = (pixelOffset.x * (gradientDirection.x)) + (pixelOffset.y * gradientDirection.y); + rotatedOffset.y = (pixelOffset.x * (-gradientDirection.y)) + (pixelOffset.y * gradientDirection.x); + + // Anisotropy. + rotatedOffset *= length; + + // Compute distance^2. + FfxFloat32 distanceSquared = rotatedOffset.x * rotatedOffset.x + rotatedOffset.y * rotatedOffset.y; + + // Limit to the window as at corner, 2 taps can easily be outside. + distanceSquared = ffxMin(distanceSquared, clippingPoint); + + // Approximation of lancos2 without sin() or rcp(), or sqrt() to get x. + // (25/16 * (2/5 * x^2 - 1)^2 - (25/16 - 1)) * (1/4 * x^2 - 1)^2 + // |_______________________________________| |_______________| + // base window + // The general form of the 'base' is, + // (a*(b*x^2-1)^2-(a-1)) + // Where 'a=1/(2*b-b^2)' and 'b' moves around the negative lobe. + FfxFloat32 weightB = FfxFloat32(2.0 / 5.0) * distanceSquared + FfxFloat32(-1.0); + FfxFloat32 weightA = negativeLobeStrength * distanceSquared + FfxFloat32(-1.0); + weightB *= weightB; + weightA *= weightA; + weightB = FfxFloat32(25.0 / 16.0) * weightB + FfxFloat32(-(25.0 / 16.0 - 1.0)); + FfxFloat32 weight = weightB * weightA; + + // Do weighted average. + accumulatedColor += color * weight; + accumulatedWeight += weight; +} + +// Accumulate direction and length. +void fsrEasuSetFloat( + FFXM_PARAMETER_INOUT FfxFloat32x2 direction, + FFXM_PARAMETER_INOUT FfxFloat32 length, + FFXM_PARAMETER_IN FfxFloat32x2 pp, + FFXM_PARAMETER_IN FfxBoolean biS, + FFXM_PARAMETER_IN FfxBoolean biT, + FFXM_PARAMETER_IN FfxBoolean biU, + FFXM_PARAMETER_IN FfxBoolean biV, + FFXM_PARAMETER_IN FfxFloat32 lA, + FFXM_PARAMETER_IN FfxFloat32 lB, + FFXM_PARAMETER_IN FfxFloat32 lC, + FFXM_PARAMETER_IN FfxFloat32 lD, + FFXM_PARAMETER_IN FfxFloat32 lE) +{ + // Compute bilinear weight, branches factor out as predicates are compiler time immediates. + // s t + // u v + FfxFloat32 weight = FfxFloat32(0.0); + if (biS) + weight = (FfxFloat32(1.0) - pp.x) * (FfxFloat32(1.0) - pp.y); + if (biT) + weight = pp.x * (FfxFloat32(1.0) - pp.y); + if (biU) + weight = (FfxFloat32(1.0) - pp.x) * pp.y; + if (biV) + weight = pp.x * pp.y; + + // Direction is the '+' diff. + // a + // b c d + // e + // Then takes magnitude from abs average of both sides of 'c'. + // Length converts gradient reversal to 0, smoothly to non-reversal at 1, shaped, then adding horz and vert terms. + FfxFloat32 dc = lD - lC; + FfxFloat32 cb = lC - lB; + FfxFloat32 lengthX = max(abs(dc), abs(cb)); + lengthX = ffxApproximateReciprocal(lengthX); + FfxFloat32 directionX = lD - lB; + direction.x += directionX * weight; + lengthX = ffxSaturate(abs(directionX) * lengthX); + lengthX *= lengthX; + length += lengthX * weight; + + // Repeat for the y axis. + FfxFloat32 ec = lE - lC; + FfxFloat32 ca = lC - lA; + FfxFloat32 lengthY = max(abs(ec), abs(ca)); + lengthY = ffxApproximateReciprocal(lengthY); + FfxFloat32 directionY = lE - lA; + direction.y += directionY * weight; + lengthY = ffxSaturate(abs(directionY) * lengthY); + lengthY *= lengthY; + length += lengthY * weight; +} + +/// Apply edge-aware spatial upsampling using 32bit floating point precision calculations. +/// +/// @param [out] outPixel The computed color of a pixel. +/// @param [in] integerPosition Integer pixel position within the output. +/// @param [in] con0 The first constant value generated by ffxFsrPopulateEasuConstants. +/// @param [in] con1 The second constant value generated by ffxFsrPopulateEasuConstants. +/// @param [in] con2 The third constant value generated by ffxFsrPopulateEasuConstants. +/// @param [in] con3 The fourth constant value generated by ffxFsrPopulateEasuConstants. +/// +/// @ingroup FSR +void ffxFsrEasuFloat( + FFXM_PARAMETER_OUT FfxFloat32x3 pix, + FFXM_PARAMETER_IN FfxUInt32x2 ip, + FFXM_PARAMETER_IN FfxUInt32x4 con0, + FFXM_PARAMETER_IN FfxUInt32x4 con1, + FFXM_PARAMETER_IN FfxUInt32x4 con2, + FFXM_PARAMETER_IN FfxUInt32x4 con3) +{ + // Get position of 'f'. + FfxFloat32x2 pp = FfxFloat32x2(ip) * ffxAsFloat(con0.xy) + ffxAsFloat(con0.zw); + FfxFloat32x2 fp = floor(pp); + pp -= fp; + + // 12-tap kernel. + // b c + // e f g h + // i j k l + // n o + // Gather 4 ordering. + // a b + // r g + // For packed FP16, need either {rg} or {ab} so using the following setup for gather in all versions, + // a b <- unused (z) + // r g + // a b a b + // r g r g + // a b + // r g <- unused (z) + // Allowing dead-code removal to remove the 'z's. + FfxFloat32x2 p0 = fp * ffxAsFloat(con1.xy) + ffxAsFloat(con1.zw); + + // These are from p0 to avoid pulling two constants on pre-Navi hardware. + FfxFloat32x2 p1 = p0 + ffxAsFloat(con2.xy); + FfxFloat32x2 p2 = p0 + ffxAsFloat(con2.zw); + FfxFloat32x2 p3 = p0 + ffxAsFloat(con3.xy); + FfxFloat32x4 bczzR = FsrEasuRF(p0); + FfxFloat32x4 bczzG = FsrEasuGF(p0); + FfxFloat32x4 bczzB = FsrEasuBF(p0); + FfxFloat32x4 ijfeR = FsrEasuRF(p1); + FfxFloat32x4 ijfeG = FsrEasuGF(p1); + FfxFloat32x4 ijfeB = FsrEasuBF(p1); + FfxFloat32x4 klhgR = FsrEasuRF(p2); + FfxFloat32x4 klhgG = FsrEasuGF(p2); + FfxFloat32x4 klhgB = FsrEasuBF(p2); + FfxFloat32x4 zzonR = FsrEasuRF(p3); + FfxFloat32x4 zzonG = FsrEasuGF(p3); + FfxFloat32x4 zzonB = FsrEasuBF(p3); + + // Simplest multi-channel approximate luma possible (luma times 2, in 2 FMA/MAD). + FfxFloat32x4 bczzL = bczzB * ffxBroadcast4(0.5) + (bczzR * ffxBroadcast4(0.5) + bczzG); + FfxFloat32x4 ijfeL = ijfeB * ffxBroadcast4(0.5) + (ijfeR * ffxBroadcast4(0.5) + ijfeG); + FfxFloat32x4 klhgL = klhgB * ffxBroadcast4(0.5) + (klhgR * ffxBroadcast4(0.5) + klhgG); + FfxFloat32x4 zzonL = zzonB * ffxBroadcast4(0.5) + (zzonR * ffxBroadcast4(0.5) + zzonG); + + // Rename. + FfxFloat32 bL = bczzL.x; + FfxFloat32 cL = bczzL.y; + FfxFloat32 iL = ijfeL.x; + FfxFloat32 jL = ijfeL.y; + FfxFloat32 fL = ijfeL.z; + FfxFloat32 eL = ijfeL.w; + FfxFloat32 kL = klhgL.x; + FfxFloat32 lL = klhgL.y; + FfxFloat32 hL = klhgL.z; + FfxFloat32 gL = klhgL.w; + FfxFloat32 oL = zzonL.z; + FfxFloat32 nL = zzonL.w; + + // Accumulate for bilinear interpolation. + FfxFloat32x2 dir = ffxBroadcast2(0.0); + FfxFloat32 len = FfxFloat32(0.0); + fsrEasuSetFloat(dir, len, pp, FFXM_TRUE, FFXM_FALSE, FFXM_FALSE, FFXM_FALSE, bL, eL, fL, gL, jL); + fsrEasuSetFloat(dir, len, pp, FFXM_FALSE, FFXM_TRUE, FFXM_FALSE, FFXM_FALSE, cL, fL, gL, hL, kL); + fsrEasuSetFloat(dir, len, pp, FFXM_FALSE, FFXM_FALSE, FFXM_TRUE, FFXM_FALSE, fL, iL, jL, kL, nL); + fsrEasuSetFloat(dir, len, pp, FFXM_FALSE, FFXM_FALSE, FFXM_FALSE, FFXM_TRUE, gL, jL, kL, lL, oL); + + // Normalize with approximation, and cleanup close to zero. + FfxFloat32x2 dir2 = dir * dir; + FfxFloat32 dirR = dir2.x + dir2.y; + FfxBoolean zro = dirR < FfxFloat32(1.0 / 32768.0); + dirR = ffxApproximateReciprocalSquareRoot(dirR); + dirR = zro ? FfxFloat32(1.0) : dirR; + dir.x = zro ? FfxFloat32(1.0) : dir.x; + dir *= ffxBroadcast2(dirR); + + // Transform from {0 to 2} to {0 to 1} range, and shape with square. + len = len * FfxFloat32(0.5); + len *= len; + + // Stretch kernel {1.0 vert|horz, to sqrt(2.0) on diagonal}. + FfxFloat32 stretch = (dir.x * dir.x + dir.y * dir.y) * ffxApproximateReciprocal(max(abs(dir.x), abs(dir.y))); + + // Anisotropic length after rotation, + // x := 1.0 lerp to 'stretch' on edges + // y := 1.0 lerp to 2x on edges + FfxFloat32x2 len2 = FfxFloat32x2(FfxFloat32(1.0) + (stretch - FfxFloat32(1.0)) * len, FfxFloat32(1.0) + FfxFloat32(-0.5) * len); + + // Based on the amount of 'edge', + // the window shifts from +/-{sqrt(2.0) to slightly beyond 2.0}. + FfxFloat32 lob = FfxFloat32(0.5) + FfxFloat32((1.0 / 4.0 - 0.04) - 0.5) * len; + + // Set distance^2 clipping point to the end of the adjustable window. + FfxFloat32 clp = ffxApproximateReciprocal(lob); + + // Accumulation mixed with min/max of 4 nearest. + // b c + // e f g h + // i j k l + // n o + FfxFloat32x3 min4 = + ffxMin(ffxMin3(FfxFloat32x3(ijfeR.z, ijfeG.z, ijfeB.z), FfxFloat32x3(klhgR.w, klhgG.w, klhgB.w), FfxFloat32x3(ijfeR.y, ijfeG.y, ijfeB.y)), + FfxFloat32x3(klhgR.x, klhgG.x, klhgB.x)); + FfxFloat32x3 max4 = + max(ffxMax3(FfxFloat32x3(ijfeR.z, ijfeG.z, ijfeB.z), FfxFloat32x3(klhgR.w, klhgG.w, klhgB.w), FfxFloat32x3(ijfeR.y, ijfeG.y, ijfeB.y)), FfxFloat32x3(klhgR.x, klhgG.x, klhgB.x)); + + // Accumulation. + FfxFloat32x3 aC = ffxBroadcast3(0.0); + FfxFloat32 aW = FfxFloat32(0.0); + fsrEasuTapFloat(aC, aW, FfxFloat32x2(0.0, -1.0) - pp, dir, len2, lob, clp, FfxFloat32x3(bczzR.x, bczzG.x, bczzB.x)); // b + fsrEasuTapFloat(aC, aW, FfxFloat32x2(1.0, -1.0) - pp, dir, len2, lob, clp, FfxFloat32x3(bczzR.y, bczzG.y, bczzB.y)); // c + fsrEasuTapFloat(aC, aW, FfxFloat32x2(-1.0, 1.0) - pp, dir, len2, lob, clp, FfxFloat32x3(ijfeR.x, ijfeG.x, ijfeB.x)); // i + fsrEasuTapFloat(aC, aW, FfxFloat32x2(0.0, 1.0) - pp, dir, len2, lob, clp, FfxFloat32x3(ijfeR.y, ijfeG.y, ijfeB.y)); // j + fsrEasuTapFloat(aC, aW, FfxFloat32x2(0.0, 0.0) - pp, dir, len2, lob, clp, FfxFloat32x3(ijfeR.z, ijfeG.z, ijfeB.z)); // f + fsrEasuTapFloat(aC, aW, FfxFloat32x2(-1.0, 0.0) - pp, dir, len2, lob, clp, FfxFloat32x3(ijfeR.w, ijfeG.w, ijfeB.w)); // e + fsrEasuTapFloat(aC, aW, FfxFloat32x2(1.0, 1.0) - pp, dir, len2, lob, clp, FfxFloat32x3(klhgR.x, klhgG.x, klhgB.x)); // k + fsrEasuTapFloat(aC, aW, FfxFloat32x2(2.0, 1.0) - pp, dir, len2, lob, clp, FfxFloat32x3(klhgR.y, klhgG.y, klhgB.y)); // l + fsrEasuTapFloat(aC, aW, FfxFloat32x2(2.0, 0.0) - pp, dir, len2, lob, clp, FfxFloat32x3(klhgR.z, klhgG.z, klhgB.z)); // h + fsrEasuTapFloat(aC, aW, FfxFloat32x2(1.0, 0.0) - pp, dir, len2, lob, clp, FfxFloat32x3(klhgR.w, klhgG.w, klhgB.w)); // g + fsrEasuTapFloat(aC, aW, FfxFloat32x2(1.0, 2.0) - pp, dir, len2, lob, clp, FfxFloat32x3(zzonR.z, zzonG.z, zzonB.z)); // o + fsrEasuTapFloat(aC, aW, FfxFloat32x2(0.0, 2.0) - pp, dir, len2, lob, clp, FfxFloat32x3(zzonR.w, zzonG.w, zzonB.w)); // n + + // Normalize and dering. + pix = ffxMin(max4, max(min4, aC * ffxBroadcast3(rcp(aW)))); +} +#endif // #if defined(FFXM_GPU) && defined(FFXM_FSR_EASU_FLOAT) + +#if defined(FFXM_GPU) && FFXM_HALF == 1 && defined(FFXM_FSR_EASU_HALF) +// Input callback prototypes, need to be implemented by calling shader +FfxFloat16x4 FsrEasuRH(FfxFloat32x2 p); +FfxFloat16x4 FsrEasuGH(FfxFloat32x2 p); +FfxFloat16x4 FsrEasuBH(FfxFloat32x2 p); + +// This runs 2 taps in parallel. +void FsrEasuTapH( + FFXM_PARAMETER_INOUT FfxFloat16x2 aCR, + FFXM_PARAMETER_INOUT FfxFloat16x2 aCG, + FFXM_PARAMETER_INOUT FfxFloat16x2 aCB, + FFXM_PARAMETER_INOUT FfxFloat16x2 aW, + FFXM_PARAMETER_IN FfxFloat16x2 offX, + FFXM_PARAMETER_IN FfxFloat16x2 offY, + FFXM_PARAMETER_IN FfxFloat16x2 dir, + FFXM_PARAMETER_IN FfxFloat16x2 len, + FFXM_PARAMETER_IN FfxFloat16 lob, + FFXM_PARAMETER_IN FfxFloat16 clp, + FFXM_PARAMETER_IN FfxFloat16x2 cR, + FFXM_PARAMETER_IN FfxFloat16x2 cG, + FFXM_PARAMETER_IN FfxFloat16x2 cB) +{ + FfxFloat16x2 vX, vY; + vX = offX * dir.xx + offY * dir.yy; + vY = offX * (-dir.yy) + offY * dir.xx; + vX *= len.x; + vY *= len.y; + FfxFloat16x2 d2 = vX * vX + vY * vY; + d2 = min(d2, FFXM_BROADCAST_FLOAT16X2(clp)); + FfxFloat16x2 wB = FFXM_BROADCAST_FLOAT16X2(2.0 / 5.0) * d2 + FFXM_BROADCAST_FLOAT16X2(-1.0); + FfxFloat16x2 wA = FFXM_BROADCAST_FLOAT16X2(lob) * d2 + FFXM_BROADCAST_FLOAT16X2(-1.0); + wB *= wB; + wA *= wA; + wB = FFXM_BROADCAST_FLOAT16X2(25.0 / 16.0) * wB + FFXM_BROADCAST_FLOAT16X2(-(25.0 / 16.0 - 1.0)); + FfxFloat16x2 w = wB * wA; + aCR += cR * w; + aCG += cG * w; + aCB += cB * w; + aW += w; +} + +// This runs 2 taps in parallel. +void FsrEasuSetH( + FFXM_PARAMETER_INOUT FfxFloat16x2 dirPX, + FFXM_PARAMETER_INOUT FfxFloat16x2 dirPY, + FFXM_PARAMETER_INOUT FfxFloat16x2 lenP, + FFXM_PARAMETER_IN FfxFloat16x2 pp, + FFXM_PARAMETER_IN FfxBoolean biST, + FFXM_PARAMETER_IN FfxBoolean biUV, + FFXM_PARAMETER_IN FfxFloat16x2 lA, + FFXM_PARAMETER_IN FfxFloat16x2 lB, + FFXM_PARAMETER_IN FfxFloat16x2 lC, + FFXM_PARAMETER_IN FfxFloat16x2 lD, + FFXM_PARAMETER_IN FfxFloat16x2 lE) +{ + FfxFloat16x2 w = FFXM_BROADCAST_FLOAT16X2(0.0); + + if (biST) + w = (FfxFloat16x2(1.0, 0.0) + FfxFloat16x2(-pp.x, pp.x)) * FFXM_BROADCAST_FLOAT16X2(FFXM_BROADCAST_FLOAT16(1.0) - pp.y); + + if (biUV) + w = (FfxFloat16x2(1.0, 0.0) + FfxFloat16x2(-pp.x, pp.x)) * FFXM_BROADCAST_FLOAT16X2(pp.y); + + // ABS is not free in the packed FP16 path. + FfxFloat16x2 dc = lD - lC; + FfxFloat16x2 cb = lC - lB; + FfxFloat16x2 lenX = max(abs(dc), abs(cb)); + lenX = ffxReciprocalHalf(lenX); + + FfxFloat16x2 dirX = lD - lB; + dirPX += dirX * w; + lenX = ffxSaturate(abs(dirX) * lenX); + lenX *= lenX; + lenP += lenX * w; + FfxFloat16x2 ec = lE - lC; + FfxFloat16x2 ca = lC - lA; + FfxFloat16x2 lenY = max(abs(ec), abs(ca)); + lenY = ffxReciprocalHalf(lenY); + FfxFloat16x2 dirY = lE - lA; + dirPY += dirY * w; + lenY = ffxSaturate(abs(dirY) * lenY); + lenY *= lenY; + lenP += lenY * w; +} + +void FsrEasuH( + FFXM_PARAMETER_OUT FfxFloat16x3 pix, + FFXM_PARAMETER_IN FfxUInt32x2 ip, + FFXM_PARAMETER_IN FfxUInt32x4 con0, + FFXM_PARAMETER_IN FfxUInt32x4 con1, + FFXM_PARAMETER_IN FfxUInt32x4 con2, + FFXM_PARAMETER_IN FfxUInt32x4 con3) +{ + FfxFloat32x2 pp = FfxFloat32x2(ip) * ffxAsFloat(con0.xy) + ffxAsFloat(con0.zw); + FfxFloat32x2 fp = floor(pp); + pp -= fp; + FfxFloat16x2 ppp = FfxFloat16x2(pp); + + FfxFloat32x2 p0 = fp * ffxAsFloat(con1.xy) + ffxAsFloat(con1.zw); + FfxFloat32x2 p1 = p0 + ffxAsFloat(con2.xy); + FfxFloat32x2 p2 = p0 + ffxAsFloat(con2.zw); + FfxFloat32x2 p3 = p0 + ffxAsFloat(con3.xy); + FfxFloat16x4 bczzR = FsrEasuRH(p0); + FfxFloat16x4 bczzG = FsrEasuGH(p0); + FfxFloat16x4 bczzB = FsrEasuBH(p0); + FfxFloat16x4 ijfeR = FsrEasuRH(p1); + FfxFloat16x4 ijfeG = FsrEasuGH(p1); + FfxFloat16x4 ijfeB = FsrEasuBH(p1); + FfxFloat16x4 klhgR = FsrEasuRH(p2); + FfxFloat16x4 klhgG = FsrEasuGH(p2); + FfxFloat16x4 klhgB = FsrEasuBH(p2); + FfxFloat16x4 zzonR = FsrEasuRH(p3); + FfxFloat16x4 zzonG = FsrEasuGH(p3); + FfxFloat16x4 zzonB = FsrEasuBH(p3); + + FfxFloat16x4 bczzL = bczzB * FFXM_BROADCAST_FLOAT16X4(0.5) + (bczzR * FFXM_BROADCAST_FLOAT16X4(0.5) + bczzG); + FfxFloat16x4 ijfeL = ijfeB * FFXM_BROADCAST_FLOAT16X4(0.5) + (ijfeR * FFXM_BROADCAST_FLOAT16X4(0.5) + ijfeG); + FfxFloat16x4 klhgL = klhgB * FFXM_BROADCAST_FLOAT16X4(0.5) + (klhgR * FFXM_BROADCAST_FLOAT16X4(0.5) + klhgG); + FfxFloat16x4 zzonL = zzonB * FFXM_BROADCAST_FLOAT16X4(0.5) + (zzonR * FFXM_BROADCAST_FLOAT16X4(0.5) + zzonG); + FfxFloat16 bL = bczzL.x; + FfxFloat16 cL = bczzL.y; + FfxFloat16 iL = ijfeL.x; + FfxFloat16 jL = ijfeL.y; + FfxFloat16 fL = ijfeL.z; + FfxFloat16 eL = ijfeL.w; + FfxFloat16 kL = klhgL.x; + FfxFloat16 lL = klhgL.y; + FfxFloat16 hL = klhgL.z; + FfxFloat16 gL = klhgL.w; + FfxFloat16 oL = zzonL.z; + FfxFloat16 nL = zzonL.w; + + // This part is different, accumulating 2 taps in parallel. + FfxFloat16x2 dirPX = FFXM_BROADCAST_FLOAT16X2(0.0); + FfxFloat16x2 dirPY = FFXM_BROADCAST_FLOAT16X2(0.0); + FfxFloat16x2 lenP = FFXM_BROADCAST_FLOAT16X2(0.0); + FsrEasuSetH(dirPX, + dirPY, + lenP, + ppp, + FfxBoolean(true), + FfxBoolean(false), + FfxFloat16x2(bL, cL), + FfxFloat16x2(eL, fL), + FfxFloat16x2(fL, gL), + FfxFloat16x2(gL, hL), + FfxFloat16x2(jL, kL)); + FsrEasuSetH(dirPX, + dirPY, + lenP, + ppp, + FfxBoolean(false), + FfxBoolean(true), + FfxFloat16x2(fL, gL), + FfxFloat16x2(iL, jL), + FfxFloat16x2(jL, kL), + FfxFloat16x2(kL, lL), + FfxFloat16x2(nL, oL)); + FfxFloat16x2 dir = FfxFloat16x2(dirPX.r + dirPX.g, dirPY.r + dirPY.g); + FfxFloat16 len = lenP.r + lenP.g; + + FfxFloat16x2 dir2 = dir * dir; + FfxFloat16 dirR = dir2.x + dir2.y; + FfxUInt32 zro = FfxUInt32(dirR < FFXM_BROADCAST_FLOAT16(1.0 / 32768.0)); + dirR = ffxApproximateReciprocalSquareRootHalf(dirR); + dirR = (zro > 0) ? FFXM_BROADCAST_FLOAT16(1.0) : dirR; + dir.x = (zro > 0) ? FFXM_BROADCAST_FLOAT16(1.0) : dir.x; + dir *= FFXM_BROADCAST_FLOAT16X2(dirR); + len = len * FFXM_BROADCAST_FLOAT16(0.5); + len *= len; + FfxFloat16 stretch = (dir.x * dir.x + dir.y * dir.y) * ffxApproximateReciprocalHalf(max(abs(dir.x), abs(dir.y))); + FfxFloat16x2 len2 = + FfxFloat16x2(FFXM_BROADCAST_FLOAT16(1.0) + (stretch - FFXM_BROADCAST_FLOAT16(1.0)) * len, FFXM_BROADCAST_FLOAT16(1.0) + FFXM_BROADCAST_FLOAT16(-0.5) * len); + FfxFloat16 lob = FFXM_BROADCAST_FLOAT16(0.5) + FFXM_BROADCAST_FLOAT16((1.0 / 4.0 - 0.04) - 0.5) * len; + FfxFloat16 clp = ffxApproximateReciprocalHalf(lob); + + // FP16 is different, using packed trick to do min and max in same operation. + FfxFloat16x2 bothR = + max(max(FfxFloat16x2(-ijfeR.z, ijfeR.z), FfxFloat16x2(-klhgR.w, klhgR.w)), max(FfxFloat16x2(-ijfeR.y, ijfeR.y), FfxFloat16x2(-klhgR.x, klhgR.x))); + FfxFloat16x2 bothG = + max(max(FfxFloat16x2(-ijfeG.z, ijfeG.z), FfxFloat16x2(-klhgG.w, klhgG.w)), max(FfxFloat16x2(-ijfeG.y, ijfeG.y), FfxFloat16x2(-klhgG.x, klhgG.x))); + FfxFloat16x2 bothB = + max(max(FfxFloat16x2(-ijfeB.z, ijfeB.z), FfxFloat16x2(-klhgB.w, klhgB.w)), max(FfxFloat16x2(-ijfeB.y, ijfeB.y), FfxFloat16x2(-klhgB.x, klhgB.x))); + + // This part is different for FP16, working pairs of taps at a time. + FfxFloat16x2 pR = FFXM_BROADCAST_FLOAT16X2(0.0); + FfxFloat16x2 pG = FFXM_BROADCAST_FLOAT16X2(0.0); + FfxFloat16x2 pB = FFXM_BROADCAST_FLOAT16X2(0.0); + FfxFloat16x2 pW = FFXM_BROADCAST_FLOAT16X2(0.0); + FsrEasuTapH(pR, pG, pB, pW, FfxFloat16x2(0.0, 1.0) - ppp.xx, FfxFloat16x2(-1.0, -1.0) - ppp.yy, dir, len2, lob, clp, bczzR.xy, bczzG.xy, bczzB.xy); + FsrEasuTapH(pR, pG, pB, pW, FfxFloat16x2(-1.0, 0.0) - ppp.xx, FfxFloat16x2(1.0, 1.0) - ppp.yy, dir, len2, lob, clp, ijfeR.xy, ijfeG.xy, ijfeB.xy); + FsrEasuTapH(pR, pG, pB, pW, FfxFloat16x2(0.0, -1.0) - ppp.xx, FfxFloat16x2(0.0, 0.0) - ppp.yy, dir, len2, lob, clp, ijfeR.zw, ijfeG.zw, ijfeB.zw); + FsrEasuTapH(pR, pG, pB, pW, FfxFloat16x2(1.0, 2.0) - ppp.xx, FfxFloat16x2(1.0, 1.0) - ppp.yy, dir, len2, lob, clp, klhgR.xy, klhgG.xy, klhgB.xy); + FsrEasuTapH(pR, pG, pB, pW, FfxFloat16x2(2.0, 1.0) - ppp.xx, FfxFloat16x2(0.0, 0.0) - ppp.yy, dir, len2, lob, clp, klhgR.zw, klhgG.zw, klhgB.zw); + FsrEasuTapH(pR, pG, pB, pW, FfxFloat16x2(1.0, 0.0) - ppp.xx, FfxFloat16x2(2.0, 2.0) - ppp.yy, dir, len2, lob, clp, zzonR.zw, zzonG.zw, zzonB.zw); + FfxFloat16x3 aC = FfxFloat16x3(pR.x + pR.y, pG.x + pG.y, pB.x + pB.y); + FfxFloat16 aW = pW.x + pW.y; + + // Slightly different for FP16 version due to combined min and max. + pix = min(FfxFloat16x3(bothR.y, bothG.y, bothB.y), max(-FfxFloat16x3(bothR.x, bothG.x, bothB.x), aC * FFXM_BROADCAST_FLOAT16X3(ffxReciprocalHalf(aW)))); +} +#endif // #if defined(FFXM_GPU) && defined(FFXM_HALF) && defined(FFXM_FSR_EASU_HALF) + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// +// FSR - [RCAS] ROBUST CONTRAST ADAPTIVE SHARPENING +// +//------------------------------------------------------------------------------------------------------------------------------ +// CAS uses a simplified mechanism to convert local contrast into a variable amount of sharpness. +// RCAS uses a more exact mechanism, solving for the maximum local sharpness possible before clipping. +// RCAS also has a built in process to limit sharpening of what it detects as possible noise. +// RCAS sharper does not support scaling, as it should be applied after EASU scaling. +// Pass EASU output straight into RCAS, no color conversions necessary. +//------------------------------------------------------------------------------------------------------------------------------ +// RCAS is based on the following logic. +// RCAS uses a 5 tap filter in a cross pattern (same as CAS), +// w n +// w 1 w for taps w m e +// w s +// Where 'w' is the negative lobe weight. +// output = (w*(n+e+w+s)+m)/(4*w+1) +// RCAS solves for 'w' by seeing where the signal might clip out of the {0 to 1} input range, +// 0 == (w*(n+e+w+s)+m)/(4*w+1) -> w = -m/(n+e+w+s) +// 1 == (w*(n+e+w+s)+m)/(4*w+1) -> w = (1-m)/(n+e+w+s-4*1) +// Then chooses the 'w' which results in no clipping, limits 'w', and multiplies by the 'sharp' amount. +// This solution above has issues with MSAA input as the steps along the gradient cause edge detection issues. +// So RCAS uses 4x the maximum and 4x the minimum (depending on equation)in place of the individual taps. +// As well as switching from 'm' to either the minimum or maximum (depending on side), to help in energy conservation. +// This stabilizes RCAS. +// RCAS does a simple highpass which is normalized against the local contrast then shaped, +// 0.25 +// 0.25 -1 0.25 +// 0.25 +// This is used as a noise detection filter, to reduce the effect of RCAS on grain, and focus on real edges. +// +// GLSL example for the required callbacks : +// +// FfxFloat16x4 FsrRcasLoadH(FfxInt16x2 p){return FfxFloat16x4(imageLoad(imgSrc,FfxInt32x2(p)));} +// void FsrRcasInputH(inout FfxFloat16 r,inout FfxFloat16 g,inout FfxFloat16 b) +// { +// //do any simple input color conversions here or leave empty if none needed +// } +// +// FsrRcasCon need to be called from the CPU or GPU to set up constants. +// Including a GPU example here, the 'con' value would be stored out to a constant buffer. +// +// FfxUInt32x4 con; +// FsrRcasCon(con, +// 0.0); // The scale is {0.0 := maximum sharpness, to N>0, where N is the number of stops (halving) of the reduction of sharpness}. +// --------------- +// RCAS sharpening supports a CAS-like pass-through alpha via, +// #define FSR_RCAS_PASSTHROUGH_ALPHA 1 +// RCAS also supports a define to enable a more expensive path to avoid some sharpening of noise. +// Would suggest it is better to apply film grain after RCAS sharpening (and after scaling) instead of using this define, +// #define FSR_RCAS_DENOISE 1 +//============================================================================================================================== +// This is set at the limit of providing unnatural results for sharpening. +#define FSR_RCAS_LIMIT (0.25-(1.0/16.0)) +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// CONSTANT SETUP +//============================================================================================================================== +// Call to setup required constant values (works on CPU or GPU). + FFXM_STATIC void FsrRcasCon(FfxUInt32x4 con, + // The scale is {0.0 := maximum, to N>0, where N is the number of stops (halving) of the reduction of sharpness}. + FfxFloat32 sharpness) + { + // Transform from stops to linear value. + sharpness = exp2(-sharpness); + FfxFloat32x2 hSharp = {sharpness, sharpness}; + con[0] = ffxAsUInt32(sharpness); + con[1] = packHalf2x16(hSharp); + con[2] = 0; + con[3] = 0; + } + //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// NON-PACKED 32-BIT VERSION +//============================================================================================================================== +#if defined(FFXM_GPU)&&defined(FSR_RCAS_F) + // Input callback prototypes that need to be implemented by calling shader + FfxFloat32x4 FsrRcasLoadF(FfxInt32x2 p); + void FsrRcasInputF(inout FfxFloat32 r,inout FfxFloat32 g,inout FfxFloat32 b); +//------------------------------------------------------------------------------------------------------------------------------ + void FsrRcasF(out FfxFloat32 pixR, // Output values, non-vector so port between RcasFilter() and RcasFilterH() is easy. + out FfxFloat32 pixG, + out FfxFloat32 pixB, +#ifdef FSR_RCAS_PASSTHROUGH_ALPHA + out FfxFloat32 pixA, +#endif + FfxUInt32x2 ip, // Integer pixel position in output. + FfxUInt32x4 con) + { // Constant generated by RcasSetup(). + // Algorithm uses minimal 3x3 pixel neighborhood. + // b + // d e f + // h + FfxInt32x2 sp = FfxInt32x2(ip); + FfxFloat32x3 b = FsrRcasLoadF(sp + FfxInt32x2(0, -1)).rgb; + FfxFloat32x3 d = FsrRcasLoadF(sp + FfxInt32x2(-1, 0)).rgb; +#ifdef FSR_RCAS_PASSTHROUGH_ALPHA + FfxFloat32x4 ee = FsrRcasLoadF(sp); + FfxFloat32x3 e = ee.rgb; + pixA = ee.a; +#else + FfxFloat32x3 e = FsrRcasLoadF(sp).rgb; +#endif + FfxFloat32x3 f = FsrRcasLoadF(sp + FfxInt32x2(1, 0)).rgb; + FfxFloat32x3 h = FsrRcasLoadF(sp + FfxInt32x2(0, 1)).rgb; + // Rename (32-bit) or regroup (16-bit). + FfxFloat32 bR = b.r; + FfxFloat32 bG = b.g; + FfxFloat32 bB = b.b; + FfxFloat32 dR = d.r; + FfxFloat32 dG = d.g; + FfxFloat32 dB = d.b; + FfxFloat32 eR = e.r; + FfxFloat32 eG = e.g; + FfxFloat32 eB = e.b; + FfxFloat32 fR = f.r; + FfxFloat32 fG = f.g; + FfxFloat32 fB = f.b; + FfxFloat32 hR = h.r; + FfxFloat32 hG = h.g; + FfxFloat32 hB = h.b; + // Run optional input transform. + FsrRcasInputF(bR, bG, bB); + FsrRcasInputF(dR, dG, dB); + FsrRcasInputF(eR, eG, eB); + FsrRcasInputF(fR, fG, fB); + FsrRcasInputF(hR, hG, hB); + // Luma times 2. + FfxFloat32 bL = bB * FfxFloat32(0.5) + (bR * FfxFloat32(0.5) + bG); + FfxFloat32 dL = dB * FfxFloat32(0.5) + (dR * FfxFloat32(0.5) + dG); + FfxFloat32 eL = eB * FfxFloat32(0.5) + (eR * FfxFloat32(0.5) + eG); + FfxFloat32 fL = fB * FfxFloat32(0.5) + (fR * FfxFloat32(0.5) + fG); + FfxFloat32 hL = hB * FfxFloat32(0.5) + (hR * FfxFloat32(0.5) + hG); + // Noise detection. + FfxFloat32 nz = FfxFloat32(0.25) * bL + FfxFloat32(0.25) * dL + FfxFloat32(0.25) * fL + FfxFloat32(0.25) * hL - eL; + nz = ffxSaturate(abs(nz) * ffxApproximateReciprocalMedium(ffxMax3(ffxMax3(bL, dL, eL), fL, hL) - ffxMin3(ffxMin3(bL, dL, eL), fL, hL))); + nz = FfxFloat32(-0.5) * nz + FfxFloat32(1.0); + // Min and max of ring. + FfxFloat32 mn4R = ffxMin(ffxMin3(bR, dR, fR), hR); + FfxFloat32 mn4G = ffxMin(ffxMin3(bG, dG, fG), hG); + FfxFloat32 mn4B = ffxMin(ffxMin3(bB, dB, fB), hB); + FfxFloat32 mx4R = max(ffxMax3(bR, dR, fR), hR); + FfxFloat32 mx4G = max(ffxMax3(bG, dG, fG), hG); + FfxFloat32 mx4B = max(ffxMax3(bB, dB, fB), hB); + // Immediate constants for peak range. + FfxFloat32x2 peakC = FfxFloat32x2(1.0, -1.0 * 4.0); + // Limiters, these need to be high precision RCPs. + FfxFloat32 hitMinR = mn4R * rcp(FfxFloat32(4.0) * mx4R); + FfxFloat32 hitMinG = mn4G * rcp(FfxFloat32(4.0) * mx4G); + FfxFloat32 hitMinB = mn4B * rcp(FfxFloat32(4.0) * mx4B); + FfxFloat32 hitMaxR = (peakC.x - mx4R) * rcp(FfxFloat32(4.0) * mn4R + peakC.y); + FfxFloat32 hitMaxG = (peakC.x - mx4G) * rcp(FfxFloat32(4.0) * mn4G + peakC.y); + FfxFloat32 hitMaxB = (peakC.x - mx4B) * rcp(FfxFloat32(4.0) * mn4B + peakC.y); + FfxFloat32 lobeR = max(-hitMinR, hitMaxR); + FfxFloat32 lobeG = max(-hitMinG, hitMaxG); + FfxFloat32 lobeB = max(-hitMinB, hitMaxB); + FfxFloat32 lobe = max(FfxFloat32(-FSR_RCAS_LIMIT), ffxMin(ffxMax3(lobeR, lobeG, lobeB), FfxFloat32(0.0))) * ffxAsFloat + (con.x); + // Apply noise removal. +#ifdef FSR_RCAS_DENOISE + lobe *= nz; +#endif + // Resolve, which needs the medium precision rcp approximation to avoid visible tonality changes. + FfxFloat32 rcpL = ffxApproximateReciprocalMedium(FfxFloat32(4.0) * lobe + FfxFloat32(1.0)); + pixR = (lobe * bR + lobe * dR + lobe * hR + lobe * fR + eR) * rcpL; + pixG = (lobe * bG + lobe * dG + lobe * hG + lobe * fG + eG) * rcpL; + pixB = (lobe * bB + lobe * dB + lobe * hB + lobe * fB + eB) * rcpL; + return; + } +#endif +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// NON-PACKED 16-BIT VERSION +//============================================================================================================================== +#if defined(FFXM_GPU) && FFXM_HALF == 1 && defined(FSR_RCAS_H) + // Input callback prototypes that need to be implemented by calling shader + FfxFloat16x4 FsrRcasLoadH(FfxInt16x2 p); + void FsrRcasInputH(inout FfxFloat16 r,inout FfxFloat16 g,inout FfxFloat16 b); +//------------------------------------------------------------------------------------------------------------------------------ + void FsrRcasH( + out FfxFloat16 pixR, // Output values, non-vector so port between RcasFilter() and RcasFilterH() is easy. + out FfxFloat16 pixG, + out FfxFloat16 pixB, + #ifdef FSR_RCAS_PASSTHROUGH_ALPHA + out FfxFloat16 pixA, + #endif + FfxUInt32x2 ip, // Integer pixel position in output. + FfxUInt32x4 con){ // Constant generated by RcasSetup(). + // Sharpening algorithm uses minimal 3x3 pixel neighborhood. + // b + // d e f + // h + FfxInt16x2 sp=FfxInt16x2(ip); + FfxFloat16x3 b=FsrRcasLoadH(sp+FfxInt16x2( 0,-1)).rgb; + FfxFloat16x3 d=FsrRcasLoadH(sp+FfxInt16x2(-1, 0)).rgb; + #ifdef FSR_RCAS_PASSTHROUGH_ALPHA + FfxFloat16x4 ee=FsrRcasLoadH(sp); + FfxFloat16x3 e=ee.rgb;pixA=ee.a; + #else + FfxFloat16x3 e=FsrRcasLoadH(sp).rgb; + #endif + FfxFloat16x3 f=FsrRcasLoadH(sp+FfxInt16x2( 1, 0)).rgb; + FfxFloat16x3 h=FsrRcasLoadH(sp+FfxInt16x2( 0, 1)).rgb; + // Rename (32-bit) or regroup (16-bit). + FfxFloat16 bR=b.r; + FfxFloat16 bG=b.g; + FfxFloat16 bB=b.b; + FfxFloat16 dR=d.r; + FfxFloat16 dG=d.g; + FfxFloat16 dB=d.b; + FfxFloat16 eR=e.r; + FfxFloat16 eG=e.g; + FfxFloat16 eB=e.b; + FfxFloat16 fR=f.r; + FfxFloat16 fG=f.g; + FfxFloat16 fB=f.b; + FfxFloat16 hR=h.r; + FfxFloat16 hG=h.g; + FfxFloat16 hB=h.b; + // Run optional input transform. + FsrRcasInputH(bR,bG,bB); + FsrRcasInputH(dR,dG,dB); + FsrRcasInputH(eR,eG,eB); + FsrRcasInputH(fR,fG,fB); + FsrRcasInputH(hR,hG,hB); + // Luma times 2. + FfxFloat16 bL=bB*FFXM_BROADCAST_FLOAT16(0.5)+(bR*FFXM_BROADCAST_FLOAT16(0.5)+bG); + FfxFloat16 dL=dB*FFXM_BROADCAST_FLOAT16(0.5)+(dR*FFXM_BROADCAST_FLOAT16(0.5)+dG); + FfxFloat16 eL=eB*FFXM_BROADCAST_FLOAT16(0.5)+(eR*FFXM_BROADCAST_FLOAT16(0.5)+eG); + FfxFloat16 fL=fB*FFXM_BROADCAST_FLOAT16(0.5)+(fR*FFXM_BROADCAST_FLOAT16(0.5)+fG); + FfxFloat16 hL=hB*FFXM_BROADCAST_FLOAT16(0.5)+(hR*FFXM_BROADCAST_FLOAT16(0.5)+hG); + // Noise detection. + FfxFloat16 nz=FFXM_BROADCAST_FLOAT16(0.25)*bL+FFXM_BROADCAST_FLOAT16(0.25)*dL+FFXM_BROADCAST_FLOAT16(0.25)*fL+FFXM_BROADCAST_FLOAT16(0.25)*hL-eL; + nz=ffxSaturate(abs(nz)*ffxApproximateReciprocalMediumHalf(ffxMax3Half(ffxMax3Half(bL,dL,eL),fL,hL)-ffxMin3Half(ffxMin3Half(bL,dL,eL),fL,hL))); + nz=FFXM_BROADCAST_FLOAT16(-0.5)*nz+FFXM_BROADCAST_FLOAT16(1.0); + // Min and max of ring. + FfxFloat16 mn4R=min(ffxMin3Half(bR,dR,fR),hR); + FfxFloat16 mn4G=min(ffxMin3Half(bG,dG,fG),hG); + FfxFloat16 mn4B=min(ffxMin3Half(bB,dB,fB),hB); + FfxFloat16 mx4R=max(ffxMax3Half(bR,dR,fR),hR); + FfxFloat16 mx4G=max(ffxMax3Half(bG,dG,fG),hG); + FfxFloat16 mx4B=max(ffxMax3Half(bB,dB,fB),hB); + // Immediate constants for peak range. + FfxFloat16x2 peakC=FfxFloat16x2(1.0,-1.0*4.0); + // Limiters, these need to be high precision RCPs. + FfxFloat16 hitMinR=mn4R*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16(4.0)*mx4R); + FfxFloat16 hitMinG=mn4G*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16(4.0)*mx4G); + FfxFloat16 hitMinB=mn4B*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16(4.0)*mx4B); + FfxFloat16 hitMaxR=(peakC.x-mx4R)*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16(4.0)*mn4R+peakC.y); + FfxFloat16 hitMaxG=(peakC.x-mx4G)*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16(4.0)*mn4G+peakC.y); + FfxFloat16 hitMaxB=(peakC.x-mx4B)*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16(4.0)*mn4B+peakC.y); + FfxFloat16 lobeR=max(-hitMinR,hitMaxR); + FfxFloat16 lobeG=max(-hitMinG,hitMaxG); + FfxFloat16 lobeB=max(-hitMinB,hitMaxB); + FfxFloat16 lobe=max(FFXM_BROADCAST_FLOAT16(-FSR_RCAS_LIMIT),min(ffxMax3Half(lobeR,lobeG,lobeB),FFXM_BROADCAST_FLOAT16(0.0)))*FFXM_UINT32_TO_FLOAT16X2(con.y).x; + // Apply noise removal. + #ifdef FSR_RCAS_DENOISE + lobe*=nz; + #endif + // Resolve, which needs the medium precision rcp approximation to avoid visible tonality changes. + FfxFloat16 rcpL=ffxApproximateReciprocalMediumHalf(FFXM_BROADCAST_FLOAT16(4.0)*lobe+FFXM_BROADCAST_FLOAT16(1.0)); + pixR=(lobe*bR+lobe*dR+lobe*hR+lobe*fR+eR)*rcpL; + pixG=(lobe*bG+lobe*dG+lobe*hG+lobe*fG+eG)*rcpL; + pixB=(lobe*bB+lobe*dB+lobe*hB+lobe*fB+eB)*rcpL; +} +#endif +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// PACKED 16-BIT VERSION +//============================================================================================================================== +#if defined(FFXM_GPU)&& FFXM_HALF == 1 && defined(FSR_RCAS_HX2) + // Input callback prototypes that need to be implemented by the calling shader + FfxFloat16x4 FsrRcasLoadHx2(FfxInt16x2 p); + void FsrRcasInputHx2(inout FfxFloat16x2 r,inout FfxFloat16x2 g,inout FfxFloat16x2 b); +//------------------------------------------------------------------------------------------------------------------------------ + // Can be used to convert from packed Structures of Arrays to Arrays of Structures for store. + void FsrRcasDepackHx2(out FfxFloat16x4 pix0,out FfxFloat16x4 pix1,FfxFloat16x2 pixR,FfxFloat16x2 pixG,FfxFloat16x2 pixB){ + #ifdef FFXM_HLSL + // Invoke a slower path for DX only, since it won't allow uninitialized values. + pix0.a=pix1.a=0.0; + #endif + pix0.rgb=FfxFloat16x3(pixR.x,pixG.x,pixB.x); + pix1.rgb=FfxFloat16x3(pixR.y,pixG.y,pixB.y);} +//------------------------------------------------------------------------------------------------------------------------------ + void FsrRcasHx2( + // Output values are for 2 8x8 tiles in a 16x8 region. + // pix.x = left 8x8 tile + // pix.y = right 8x8 tile + // This enables later processing to easily be packed as well. + out FfxFloat16x2 pixR, + out FfxFloat16x2 pixG, + out FfxFloat16x2 pixB, + #ifdef FSR_RCAS_PASSTHROUGH_ALPHA + out FfxFloat16x2 pixA, + #endif + FfxUInt32x2 ip, // Integer pixel position in output. + FfxUInt32x4 con){ // Constant generated by RcasSetup(). + // No scaling algorithm uses minimal 3x3 pixel neighborhood. + FfxInt16x2 sp0=FfxInt16x2(ip); + FfxFloat16x3 b0=FsrRcasLoadHx2(sp0+FfxInt16x2( 0,-1)).rgb; + FfxFloat16x3 d0=FsrRcasLoadHx2(sp0+FfxInt16x2(-1, 0)).rgb; + #ifdef FSR_RCAS_PASSTHROUGH_ALPHA + FfxFloat16x4 ee0=FsrRcasLoadHx2(sp0); + FfxFloat16x3 e0=ee0.rgb;pixA.r=ee0.a; + #else + FfxFloat16x3 e0=FsrRcasLoadHx2(sp0).rgb; + #endif + FfxFloat16x3 f0=FsrRcasLoadHx2(sp0+FfxInt16x2( 1, 0)).rgb; + FfxFloat16x3 h0=FsrRcasLoadHx2(sp0+FfxInt16x2( 0, 1)).rgb; + FfxInt16x2 sp1=sp0+FfxInt16x2(8,0); + FfxFloat16x3 b1=FsrRcasLoadHx2(sp1+FfxInt16x2( 0,-1)).rgb; + FfxFloat16x3 d1=FsrRcasLoadHx2(sp1+FfxInt16x2(-1, 0)).rgb; + #ifdef FSR_RCAS_PASSTHROUGH_ALPHA + FfxFloat16x4 ee1=FsrRcasLoadHx2(sp1); + FfxFloat16x3 e1=ee1.rgb;pixA.g=ee1.a; + #else + FfxFloat16x3 e1=FsrRcasLoadHx2(sp1).rgb; + #endif + FfxFloat16x3 f1=FsrRcasLoadHx2(sp1+FfxInt16x2( 1, 0)).rgb; + FfxFloat16x3 h1=FsrRcasLoadHx2(sp1+FfxInt16x2( 0, 1)).rgb; + // Arrays of Structures to Structures of Arrays conversion. + FfxFloat16x2 bR=FfxFloat16x2(b0.r,b1.r); + FfxFloat16x2 bG=FfxFloat16x2(b0.g,b1.g); + FfxFloat16x2 bB=FfxFloat16x2(b0.b,b1.b); + FfxFloat16x2 dR=FfxFloat16x2(d0.r,d1.r); + FfxFloat16x2 dG=FfxFloat16x2(d0.g,d1.g); + FfxFloat16x2 dB=FfxFloat16x2(d0.b,d1.b); + FfxFloat16x2 eR=FfxFloat16x2(e0.r,e1.r); + FfxFloat16x2 eG=FfxFloat16x2(e0.g,e1.g); + FfxFloat16x2 eB=FfxFloat16x2(e0.b,e1.b); + FfxFloat16x2 fR=FfxFloat16x2(f0.r,f1.r); + FfxFloat16x2 fG=FfxFloat16x2(f0.g,f1.g); + FfxFloat16x2 fB=FfxFloat16x2(f0.b,f1.b); + FfxFloat16x2 hR=FfxFloat16x2(h0.r,h1.r); + FfxFloat16x2 hG=FfxFloat16x2(h0.g,h1.g); + FfxFloat16x2 hB=FfxFloat16x2(h0.b,h1.b); + // Run optional input transform. + FsrRcasInputHx2(bR,bG,bB); + FsrRcasInputHx2(dR,dG,dB); + FsrRcasInputHx2(eR,eG,eB); + FsrRcasInputHx2(fR,fG,fB); + FsrRcasInputHx2(hR,hG,hB); + // Luma times 2. + FfxFloat16x2 bL=bB*FFXM_BROADCAST_FLOAT16X2(0.5)+(bR*FFXM_BROADCAST_FLOAT16X2(0.5)+bG); + FfxFloat16x2 dL=dB*FFXM_BROADCAST_FLOAT16X2(0.5)+(dR*FFXM_BROADCAST_FLOAT16X2(0.5)+dG); + FfxFloat16x2 eL=eB*FFXM_BROADCAST_FLOAT16X2(0.5)+(eR*FFXM_BROADCAST_FLOAT16X2(0.5)+eG); + FfxFloat16x2 fL=fB*FFXM_BROADCAST_FLOAT16X2(0.5)+(fR*FFXM_BROADCAST_FLOAT16X2(0.5)+fG); + FfxFloat16x2 hL=hB*FFXM_BROADCAST_FLOAT16X2(0.5)+(hR*FFXM_BROADCAST_FLOAT16X2(0.5)+hG); + // Noise detection. + FfxFloat16x2 nz=FFXM_BROADCAST_FLOAT16X2(0.25)*bL+FFXM_BROADCAST_FLOAT16X2(0.25)*dL+FFXM_BROADCAST_FLOAT16X2(0.25)*fL+FFXM_BROADCAST_FLOAT16X2(0.25)*hL-eL; + nz=ffxSaturate(abs(nz)*ffxApproximateReciprocalMediumHalf(ffxMax3Half(ffxMax3Half(bL,dL,eL),fL,hL)-ffxMin3Half(ffxMin3Half(bL,dL,eL),fL,hL))); + nz=FFXM_BROADCAST_FLOAT16X2(-0.5)*nz+FFXM_BROADCAST_FLOAT16X2(1.0); + // Min and max of ring. + FfxFloat16x2 mn4R=min(ffxMin3Half(bR,dR,fR),hR); + FfxFloat16x2 mn4G=min(ffxMin3Half(bG,dG,fG),hG); + FfxFloat16x2 mn4B=min(ffxMin3Half(bB,dB,fB),hB); + FfxFloat16x2 mx4R=max(ffxMax3Half(bR,dR,fR),hR); + FfxFloat16x2 mx4G=max(ffxMax3Half(bG,dG,fG),hG); + FfxFloat16x2 mx4B=max(ffxMax3Half(bB,dB,fB),hB); + // Immediate constants for peak range. + FfxFloat16x2 peakC=FfxFloat16x2(1.0,-1.0*4.0); + // Limiters, these need to be high precision RCPs. + FfxFloat16x2 hitMinR=mn4R*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*mx4R); + FfxFloat16x2 hitMinG=mn4G*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*mx4G); + FfxFloat16x2 hitMinB=mn4B*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*mx4B); + FfxFloat16x2 hitMaxR=(peakC.x-mx4R)*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*mn4R+peakC.y); + FfxFloat16x2 hitMaxG=(peakC.x-mx4G)*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*mn4G+peakC.y); + FfxFloat16x2 hitMaxB=(peakC.x-mx4B)*ffxReciprocalHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*mn4B+peakC.y); + FfxFloat16x2 lobeR=max(-hitMinR,hitMaxR); + FfxFloat16x2 lobeG=max(-hitMinG,hitMaxG); + FfxFloat16x2 lobeB=max(-hitMinB,hitMaxB); + FfxFloat16x2 lobe=max(FFXM_BROADCAST_FLOAT16X2(-FSR_RCAS_LIMIT),min(ffxMax3Half(lobeR,lobeG,lobeB),FFXM_BROADCAST_FLOAT16X2(0.0)))*FFXM_BROADCAST_FLOAT16X2(FFXM_UINT32_TO_FLOAT16X2(con.y).x); + // Apply noise removal. + #ifdef FSR_RCAS_DENOISE + lobe*=nz; + #endif + // Resolve, which needs the medium precision rcp approximation to avoid visible tonality changes. + FfxFloat16x2 rcpL=ffxApproximateReciprocalMediumHalf(FFXM_BROADCAST_FLOAT16X2(4.0)*lobe+FFXM_BROADCAST_FLOAT16X2(1.0)); + pixR=(lobe*bR+lobe*dR+lobe*hR+lobe*fR+eR)*rcpL; + pixG=(lobe*bG+lobe*dG+lobe*hG+lobe*fG+eG)*rcpL; + pixB=(lobe*bB+lobe*dB+lobe*hB+lobe*fB+eB)*rcpL;} +#endif +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// +// FSR - [LFGA] LINEAR FILM GRAIN APPLICATOR +// +//------------------------------------------------------------------------------------------------------------------------------ +// Adding output-resolution film grain after scaling is a good way to mask both rendering and scaling artifacts. +// Suggest using tiled blue noise as film grain input, with peak noise frequency set for a specific look and feel. +// The 'Lfga*()' functions provide a convenient way to introduce grain. +// These functions limit grain based on distance to signal limits. +// This is done so that the grain is temporally energy preserving, and thus won't modify image tonality. +// Grain application should be done in a linear colorspace. +// The grain should be temporally changing, but have a temporal sum per pixel that adds to zero (non-biased). +//------------------------------------------------------------------------------------------------------------------------------ +// Usage, +// FsrLfga*( +// color, // In/out linear colorspace color {0 to 1} ranged. +// grain, // Per pixel grain texture value {-0.5 to 0.5} ranged, input is 3-channel to support colored grain. +// amount); // Amount of grain (0 to 1} ranged. +//------------------------------------------------------------------------------------------------------------------------------ +// Example if grain texture is monochrome: 'FsrLfgaF(color,ffxBroadcast3(grain),amount)' +//============================================================================================================================== +#if defined(FFXM_GPU) + // Maximum grain is the minimum distance to the signal limit. + void FsrLfgaF(inout FfxFloat32x3 c, FfxFloat32x3 t, FfxFloat32 a) + { + c += (t * ffxBroadcast3(a)) * ffxMin(ffxBroadcast3(1.0) - c, c); + } +#endif +//============================================================================================================================== +#if defined(FFXM_GPU)&& FFXM_HALF == 1 + // Half precision version (slower). + void FsrLfgaH(inout FfxFloat16x3 c, FfxFloat16x3 t, FfxFloat16 a) + { + c += (t * FFXM_BROADCAST_FLOAT16X3(a)) * min(FFXM_BROADCAST_FLOAT16X3(1.0) - c, c); + } + //------------------------------------------------------------------------------------------------------------------------------ + // Packed half precision version (faster). + void FsrLfgaHx2(inout FfxFloat16x2 cR,inout FfxFloat16x2 cG,inout FfxFloat16x2 cB,FfxFloat16x2 tR,FfxFloat16x2 tG,FfxFloat16x2 tB,FfxFloat16 a){ + cR+=(tR*FFXM_BROADCAST_FLOAT16X2(a))*min(FFXM_BROADCAST_FLOAT16X2(1.0)-cR,cR);cG+=(tG*FFXM_BROADCAST_FLOAT16X2(a))*min(FFXM_BROADCAST_FLOAT16X2(1.0)-cG,cG);cB+=(tB*FFXM_BROADCAST_FLOAT16X2(a))*min(FFXM_BROADCAST_FLOAT16X2(1.0)-cB,cB);} +#endif +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// +// FSR - [SRTM] SIMPLE REVERSIBLE TONE-MAPPER +// +//------------------------------------------------------------------------------------------------------------------------------ +// This provides a way to take linear HDR color {0 to FP16_MAX} and convert it into a temporary {0 to 1} ranged post-tonemapped linear. +// The tonemapper preserves RGB ratio, which helps maintain HDR color bleed during filtering. +//------------------------------------------------------------------------------------------------------------------------------ +// Reversible tonemapper usage, +// FsrSrtm*(color); // {0 to FP16_MAX} converted to {0 to 1}. +// FsrSrtmInv*(color); // {0 to 1} converted into {0 to 32768, output peak safe for FP16}. +//============================================================================================================================== +#if defined(FFXM_GPU) + void FsrSrtmF(inout FfxFloat32x3 c) + { + c *= ffxBroadcast3(rcp(ffxMax3(c.r, c.g, c.b) + FfxFloat32(1.0))); + } + // The extra max solves the c=1.0 case (which is a /0). + void FsrSrtmInvF(inout FfxFloat32x3 c){c*=ffxBroadcast3(rcp(max(FfxFloat32(1.0/32768.0),FfxFloat32(1.0)-ffxMax3(c.r,c.g,c.b))));} +#endif +//============================================================================================================================== +#if defined(FFXM_GPU )&& FFXM_HALF == 1 + void FsrSrtmH(inout FfxFloat16x3 c) + { + c *= FFXM_BROADCAST_FLOAT16X3(ffxReciprocalHalf(ffxMax3Half(c.r, c.g, c.b) + FFXM_BROADCAST_FLOAT16(1.0))); + } + void FsrSrtmInvH(inout FfxFloat16x3 c) + { + c *= FFXM_BROADCAST_FLOAT16X3(ffxReciprocalHalf(max(FFXM_BROADCAST_FLOAT16(1.0 / 32768.0), FFXM_BROADCAST_FLOAT16(1.0) - ffxMax3Half(c.r, c.g, c.b)))); + } + //------------------------------------------------------------------------------------------------------------------------------ + void FsrSrtmHx2(inout FfxFloat16x2 cR, inout FfxFloat16x2 cG, inout FfxFloat16x2 cB) + { + FfxFloat16x2 rcp = ffxReciprocalHalf(ffxMax3Half(cR, cG, cB) + FFXM_BROADCAST_FLOAT16X2(1.0)); + cR *= rcp; + cG *= rcp; + cB *= rcp; + } + void FsrSrtmInvHx2(inout FfxFloat16x2 cR,inout FfxFloat16x2 cG,inout FfxFloat16x2 cB) + { + FfxFloat16x2 rcp=ffxReciprocalHalf(max(FFXM_BROADCAST_FLOAT16X2(1.0/32768.0),FFXM_BROADCAST_FLOAT16X2(1.0)-ffxMax3Half(cR,cG,cB))); + cR*=rcp; + cG*=rcp; + cB*=rcp; + } +#endif +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//_____________________________________________________________/\_______________________________________________________________ +//============================================================================================================================== +// +// FSR - [TEPD] TEMPORAL ENERGY PRESERVING DITHER +// +//------------------------------------------------------------------------------------------------------------------------------ +// Temporally energy preserving dithered {0 to 1} linear to gamma 2.0 conversion. +// Gamma 2.0 is used so that the conversion back to linear is just to square the color. +// The conversion comes in 8-bit and 10-bit modes, designed for output to 8-bit UNORM or 10:10:10:2 respectively. +// Given good non-biased temporal blue noise as dither input, +// the output dither will temporally conserve energy. +// This is done by choosing the linear nearest step point instead of perceptual nearest. +// See code below for details. +//------------------------------------------------------------------------------------------------------------------------------ +// DX SPEC RULES FOR FLOAT->UNORM 8-BIT CONVERSION +// =============================================== +// - Output is 'FfxUInt32(floor(saturate(n)*255.0+0.5))'. +// - Thus rounding is to nearest. +// - NaN gets converted to zero. +// - INF is clamped to {0.0 to 1.0}. +//============================================================================================================================== +#if defined(FFXM_GPU) + // Hand tuned integer position to dither value, with more values than simple checkerboard. + // Only 32-bit has enough precision for this compddation. + // Output is {0 to <1}. + FfxFloat32 FsrTepdDitF(FfxUInt32x2 p, FfxUInt32 f) + { + FfxFloat32 x = FfxFloat32(p.x + f); + FfxFloat32 y = FfxFloat32(p.y); + // The 1.61803 golden ratio. + FfxFloat32 a = FfxFloat32((1.0 + ffxSqrt(5.0f)) / 2.0); + // Number designed to provide a good visual pattern. + FfxFloat32 b = FfxFloat32(1.0 / 3.69); + x = x * a + (y * b); + return ffxFract(x); + } + //------------------------------------------------------------------------------------------------------------------------------ + // This version is 8-bit gamma 2.0. + // The 'c' input is {0 to 1}. + // Output is {0 to 1} ready for image store. + void FsrTepdC8F(inout FfxFloat32x3 c, FfxFloat32 dit) + { + FfxFloat32x3 n = ffxSqrt(c); + n = floor(n * ffxBroadcast3(255.0)) * ffxBroadcast3(1.0 / 255.0); + FfxFloat32x3 a = n * n; + FfxFloat32x3 b = n + ffxBroadcast3(1.0 / 255.0); + b = b * b; + // Ratio of 'a' to 'b' required to produce 'c'. + // ffxApproximateReciprocal() won't work here (at least for very high dynamic ranges). + // ffxApproximateReciprocalMedium() is an IADD,FMA,MUL. + FfxFloat32x3 r = (c - b) * ffxApproximateReciprocalMedium(a - b); + // Use the ratio as a cutoff to choose 'a' or 'b'. + // ffxIsGreaterThanZero() is a MUL. + c = ffxSaturate(n + ffxIsGreaterThanZero(ffxBroadcast3(dit) - r) * ffxBroadcast3(1.0 / 255.0)); + } + //------------------------------------------------------------------------------------------------------------------------------ + // This version is 10-bit gamma 2.0. + // The 'c' input is {0 to 1}. + // Output is {0 to 1} ready for image store. + void FsrTepdC10F(inout FfxFloat32x3 c, FfxFloat32 dit) + { + FfxFloat32x3 n = ffxSqrt(c); + n = floor(n * ffxBroadcast3(1023.0)) * ffxBroadcast3(1.0 / 1023.0); + FfxFloat32x3 a = n * n; + FfxFloat32x3 b = n + ffxBroadcast3(1.0 / 1023.0); + b = b * b; + FfxFloat32x3 r = (c - b) * ffxApproximateReciprocalMedium(a - b); + c = ffxSaturate(n + ffxIsGreaterThanZero(ffxBroadcast3(dit) - r) * ffxBroadcast3(1.0 / 1023.0)); + } +#endif +//============================================================================================================================== +#if defined(FFXM_GPU)&& FFXM_HALF == 1 + FfxFloat16 FsrTepdDitH(FfxUInt32x2 p, FfxUInt32 f) + { + FfxFloat32 x = FfxFloat32(p.x + f); + FfxFloat32 y = FfxFloat32(p.y); + FfxFloat32 a = FfxFloat32((1.0 + ffxSqrt(5.0f)) / 2.0); + FfxFloat32 b = FfxFloat32(1.0 / 3.69); + x = x * a + (y * b); + return FfxFloat16(ffxFract(x)); + } + //------------------------------------------------------------------------------------------------------------------------------ + void FsrTepdC8H(inout FfxFloat16x3 c, FfxFloat16 dit) + { + FfxFloat16x3 n = sqrt(c); + n = floor(n * FFXM_BROADCAST_FLOAT16X3(255.0)) * FFXM_BROADCAST_FLOAT16X3(1.0 / 255.0); + FfxFloat16x3 a = n * n; + FfxFloat16x3 b = n + FFXM_BROADCAST_FLOAT16X3(1.0 / 255.0); + b = b * b; + FfxFloat16x3 r = (c - b) * ffxApproximateReciprocalMediumHalf(a - b); + c = ffxSaturate(n + ffxIsGreaterThanZeroHalf(FFXM_BROADCAST_FLOAT16X3(dit) - r) * FFXM_BROADCAST_FLOAT16X3(1.0 / 255.0)); + } + //------------------------------------------------------------------------------------------------------------------------------ + void FsrTepdC10H(inout FfxFloat16x3 c, FfxFloat16 dit) + { + FfxFloat16x3 n = sqrt(c); + n = floor(n * FFXM_BROADCAST_FLOAT16X3(1023.0)) * FFXM_BROADCAST_FLOAT16X3(1.0 / 1023.0); + FfxFloat16x3 a = n * n; + FfxFloat16x3 b = n + FFXM_BROADCAST_FLOAT16X3(1.0 / 1023.0); + b = b * b; + FfxFloat16x3 r = (c - b) * ffxApproximateReciprocalMediumHalf(a - b); + c = ffxSaturate(n + ffxIsGreaterThanZeroHalf(FFXM_BROADCAST_FLOAT16X3(dit) - r) * FFXM_BROADCAST_FLOAT16X3(1.0 / 1023.0)); + } + //============================================================================================================================== + // This computes dither for positions 'p' and 'p+{8,0}'. + FfxFloat16x2 FsrTepdDitHx2(FfxUInt32x2 p, FfxUInt32 f) + { + FfxFloat32x2 x; + x.x = FfxFloat32(p.x + f); + x.y = x.x + FfxFloat32(8.0); + FfxFloat32 y = FfxFloat32(p.y); + FfxFloat32 a = FfxFloat32((1.0 + ffxSqrt(5.0f)) / 2.0); + FfxFloat32 b = FfxFloat32(1.0 / 3.69); + x = x * ffxBroadcast2(a) + ffxBroadcast2(y * b); + return FfxFloat16x2(ffxFract(x)); + } + //------------------------------------------------------------------------------------------------------------------------------ + void FsrTepdC8Hx2(inout FfxFloat16x2 cR, inout FfxFloat16x2 cG, inout FfxFloat16x2 cB, FfxFloat16x2 dit) + { + FfxFloat16x2 nR = sqrt(cR); + FfxFloat16x2 nG = sqrt(cG); + FfxFloat16x2 nB = sqrt(cB); + nR = floor(nR * FFXM_BROADCAST_FLOAT16X2(255.0)) * FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0); + nG = floor(nG * FFXM_BROADCAST_FLOAT16X2(255.0)) * FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0); + nB = floor(nB * FFXM_BROADCAST_FLOAT16X2(255.0)) * FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0); + FfxFloat16x2 aR = nR * nR; + FfxFloat16x2 aG = nG * nG; + FfxFloat16x2 aB = nB * nB; + FfxFloat16x2 bR = nR + FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0); + bR = bR * bR; + FfxFloat16x2 bG = nG + FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0); + bG = bG * bG; + FfxFloat16x2 bB = nB + FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0); + bB = bB * bB; + FfxFloat16x2 rR = (cR - bR) * ffxApproximateReciprocalMediumHalf(aR - bR); + FfxFloat16x2 rG = (cG - bG) * ffxApproximateReciprocalMediumHalf(aG - bG); + FfxFloat16x2 rB = (cB - bB) * ffxApproximateReciprocalMediumHalf(aB - bB); + cR = ffxSaturate(nR + ffxIsGreaterThanZeroHalf(dit - rR) * FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0)); + cG = ffxSaturate(nG + ffxIsGreaterThanZeroHalf(dit - rG) * FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0)); + cB = ffxSaturate(nB + ffxIsGreaterThanZeroHalf(dit - rB) * FFXM_BROADCAST_FLOAT16X2(1.0 / 255.0)); + } + //------------------------------------------------------------------------------------------------------------------------------ + void FsrTepdC10Hx2(inout FfxFloat16x2 cR,inout FfxFloat16x2 cG,inout FfxFloat16x2 cB,FfxFloat16x2 dit){ + FfxFloat16x2 nR=sqrt(cR); + FfxFloat16x2 nG=sqrt(cG); + FfxFloat16x2 nB=sqrt(cB); + nR=floor(nR*FFXM_BROADCAST_FLOAT16X2(1023.0))*FFXM_BROADCAST_FLOAT16X2(1.0/1023.0); + nG=floor(nG*FFXM_BROADCAST_FLOAT16X2(1023.0))*FFXM_BROADCAST_FLOAT16X2(1.0/1023.0); + nB=floor(nB*FFXM_BROADCAST_FLOAT16X2(1023.0))*FFXM_BROADCAST_FLOAT16X2(1.0/1023.0); + FfxFloat16x2 aR=nR*nR; + FfxFloat16x2 aG=nG*nG; + FfxFloat16x2 aB=nB*nB; + FfxFloat16x2 bR=nR+FFXM_BROADCAST_FLOAT16X2(1.0/1023.0);bR=bR*bR; + FfxFloat16x2 bG=nG+FFXM_BROADCAST_FLOAT16X2(1.0/1023.0);bG=bG*bG; + FfxFloat16x2 bB=nB+FFXM_BROADCAST_FLOAT16X2(1.0/1023.0);bB=bB*bB; + FfxFloat16x2 rR=(cR-bR)*ffxApproximateReciprocalMediumHalf(aR-bR); + FfxFloat16x2 rG=(cG-bG)*ffxApproximateReciprocalMediumHalf(aG-bG); + FfxFloat16x2 rB=(cB-bB)*ffxApproximateReciprocalMediumHalf(aB-bB); + cR=ffxSaturate(nR+ffxIsGreaterThanZeroHalf(dit-rR)*FFXM_BROADCAST_FLOAT16X2(1.0/1023.0)); + cG=ffxSaturate(nG+ffxIsGreaterThanZeroHalf(dit-rG)*FFXM_BROADCAST_FLOAT16X2(1.0/1023.0)); + cB = ffxSaturate(nB + ffxIsGreaterThanZeroHalf(dit - rB) * FFXM_BROADCAST_FLOAT16X2(1.0 / 1023.0)); +} +#endif diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h.meta new file mode 100644 index 0000000..0ceaf34 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h.meta @@ -0,0 +1,76 @@ +fileFormatVersion: 2 +guid: beffdc3cffeabd84491ac83b32a4d9f8 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Android: Android + second: + enabled: 0 + settings: + AndroidSharedLibraryType: Executable + CPU: ARMv7 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + CPU: AnyCPU + DefaultValueInitialized: true + OS: AnyOS + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2.meta new file mode 100644 index 0000000..1656967 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2 +guid: 8001d8b2af47f59409d886267a5ce04b +folderAsset: yes +DefaultImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h new file mode 100644 index 0000000..3cd15ae --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h @@ -0,0 +1,380 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_ACCUMULATE_H +#define FFXM_FSR2_ACCUMULATE_H + +struct AccumulateOutputs +{ +#if !FFXM_SHADER_QUALITY_OPT_SEPARATE_TEMPORAL_REACTIVE + FfxFloat32x4 fColorAndWeight; +#else + FfxFloat32x3 fUpscaledColor; + FfxFloat32 fTemporalReactive; +#endif + FfxFloat32x2 fLockStatus; + FfxFloat32x4 fLumaHistory; +#if (FFXM_FSR2_OPTION_APPLY_SHARPENING == 0) + FfxFloat32x3 fColor; +#endif +}; + +FfxFloat32 GetPxHrVelocity(FfxFloat32x2 fMotionVector) +{ + return length(fMotionVector * DisplaySize()); +} +#if FFXM_HALF +FFXM_MIN16_F GetPxHrVelocity(FFXM_MIN16_F2 fMotionVector) +{ + return length(fMotionVector * FFXM_MIN16_F2(DisplaySize())); +} +#endif + +void Accumulate(const AccumulationPassCommonParams params, FFXM_PARAMETER_INOUT FfxFloat32x3 fHistoryColor, FfxFloat32x3 fAccumulation, FFXM_PARAMETER_IN FfxFloat32x4 fUpsampledColorAndWeight) +{ + // Aviod invalid values when accumulation and upsampled weight is 0 + fAccumulation = ffxMax(FSR2_EPSILON.xxx, fAccumulation + fUpsampledColorAndWeight.www); + +#if FFXM_FSR2_OPTION_HDR_COLOR_INPUT +#if FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + fHistoryColor = Tonemap(fHistoryColor); +#else + //YCoCg -> RGB -> Tonemap -> YCoCg (Use RGB tonemapper to avoid color desaturation) + fUpsampledColorAndWeight.xyz = RGBToYCoCg(Tonemap(YCoCgToRGB(fUpsampledColorAndWeight.xyz))); + fHistoryColor = RGBToYCoCg(Tonemap(YCoCgToRGB(fHistoryColor))); +#endif +#endif + + const FfxFloat32x3 fAlpha = fUpsampledColorAndWeight.www / fAccumulation; + fHistoryColor = ffxLerp(fHistoryColor, fUpsampledColorAndWeight.xyz, fAlpha); + +#if !FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + fHistoryColor = YCoCgToRGB(fHistoryColor); +#endif + +#if FFXM_FSR2_OPTION_HDR_COLOR_INPUT + fHistoryColor = InverseTonemap(fHistoryColor); +#endif +} + +#if FFXM_HALF +void RectifyHistory( + const AccumulationPassCommonParams params, + RectificationBoxMin16 clippingBox, + FFXM_PARAMETER_INOUT FfxFloat32x3 fHistoryColor, + FFXM_PARAMETER_INOUT FfxFloat32x3 fAccumulation, + FfxFloat32 fLockContributionThisFrame, + FfxFloat32 fTemporalReactiveFactor, + FfxFloat32 fLumaInstabilityFactor) +#else +void RectifyHistory( + const AccumulationPassCommonParams params, + RectificationBox clippingBox, + FFXM_PARAMETER_INOUT FfxFloat32x3 fHistoryColor, + FFXM_PARAMETER_INOUT FfxFloat32x3 fAccumulation, + FfxFloat32 fLockContributionThisFrame, + FfxFloat32 fTemporalReactiveFactor, + FfxFloat32 fLumaInstabilityFactor) +#endif +{ + FfxFloat32 fScaleFactorInfluence = ffxMin(20.0f, ffxPow(FfxFloat32(1.0f / length(DownscaleFactor().x * DownscaleFactor().y)), 3.0f)); + + const FfxFloat32 fVecolityFactor = ffxSaturate(params.fHrVelocity / 20.0f); + const FfxFloat32 fBoxScaleT = ffxMax(params.fDepthClipFactor, ffxMax(params.fAccumulationMask, fVecolityFactor)); + FfxFloat32 fBoxScale = ffxLerp(fScaleFactorInfluence, 1.0f, fBoxScaleT); + + FfxFloat32x3 fScaledBoxVec = clippingBox.boxVec * fBoxScale; + FfxFloat32x3 boxMin = clippingBox.boxCenter - fScaledBoxVec; + FfxFloat32x3 boxMax = clippingBox.boxCenter + fScaledBoxVec; + FfxFloat32x3 boxCenter = clippingBox.boxCenter; + FfxFloat32 boxVecSize = length(clippingBox.boxVec); + + boxMin = ffxMax(clippingBox.aabbMin, boxMin); + boxMax = ffxMin(clippingBox.aabbMax, boxMax); +#if FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + boxMin = InverseTonemap(boxMin); + boxMax = InverseTonemap(boxMax); +#endif + + if (any(FFXM_GREATER_THAN(boxMin, fHistoryColor)) || any(FFXM_GREATER_THAN(fHistoryColor, boxMax))) { + + const FfxFloat32x3 fClampedHistoryColor = clamp(fHistoryColor, boxMin, boxMax); + + FfxFloat32x3 fHistoryContribution = ffxMax(fLumaInstabilityFactor, fLockContributionThisFrame).xxx; + + const FfxFloat32 fReactiveFactor = params.fDilatedReactiveFactor; + const FfxFloat32 fReactiveContribution = 1.0f - ffxPow(fReactiveFactor, 1.0f / 2.0f); + fHistoryContribution *= fReactiveContribution; + + // Scale history color using rectification info, also using accumulation mask to avoid potential invalid color protection + fHistoryColor = ffxLerp(fClampedHistoryColor, fHistoryColor, ffxSaturate(fHistoryContribution)); + + // Scale accumulation using rectification info + const FfxFloat32x3 fAccumulationMin = ffxMin(fAccumulation, FFXM_BROADCAST_FLOAT32X3(0.1f)); + fAccumulation = ffxLerp(fAccumulationMin, fAccumulation, ffxSaturate(fHistoryContribution)); + } +} + +void FinalizeLockStatus(const AccumulationPassCommonParams params, FfxFloat32x2 fLockStatus, FfxFloat32 fUpsampledWeight, FFXM_PARAMETER_INOUT AccumulateOutputs result) +{ + // we expect similar motion for next frame + // kill lock if that location is outside screen, avoid locks to be clamped to screen borders + FfxFloat32x2 fEstimatedUvNextFrame = params.fHrUv - params.fMotionVector; + if (IsUvInside(fEstimatedUvNextFrame) == false) { + KillLock(fLockStatus); + } + else { + // Decrease lock lifetime + const FfxFloat32 fLifetimeDecreaseLanczosMax = FfxFloat32(JitterSequenceLength()) * FfxFloat32(fAverageLanczosWeightPerFrame); + const FfxFloat32 fLifetimeDecrease = FfxFloat32(fUpsampledWeight / fLifetimeDecreaseLanczosMax); + fLockStatus[LOCK_LIFETIME_REMAINING] = ffxMax(FfxFloat32(0), fLockStatus[LOCK_LIFETIME_REMAINING] - fLifetimeDecrease); + } + + result.fLockStatus = fLockStatus; +} + + +FfxFloat32x3 ComputeBaseAccumulationWeight(const AccumulationPassCommonParams params, FfxFloat32 fThisFrameReactiveFactor, FfxBoolean bInMotionLastFrame, FfxFloat32 fUpsampledWeight, LockState lockState) +{ + // Always assume max accumulation was reached + FfxFloat32 fBaseAccumulation = fMaxAccumulationLanczosWeight * FfxFloat32(params.bIsExistingSample) * (1.0f - fThisFrameReactiveFactor) * (1.0f - params.fDepthClipFactor); + + fBaseAccumulation = ffxMin(fBaseAccumulation, ffxLerp(fBaseAccumulation, fUpsampledWeight * 10.0f, ffxMax(FfxFloat32(bInMotionLastFrame), ffxSaturate(params.fHrVelocity * FfxFloat32(10))))); + + fBaseAccumulation = ffxMin(fBaseAccumulation, ffxLerp(fBaseAccumulation, fUpsampledWeight, ffxSaturate(params.fHrVelocity / FfxFloat32(20)))); + + return fBaseAccumulation.xxx; +} + +#if FFXM_HALF +FfxFloat32 ComputeLumaInstabilityFactor(const AccumulationPassCommonParams params, RectificationBoxMin16 clippingBox, FfxFloat32 fThisFrameReactiveFactor, FfxFloat32 fLuminanceDiff, FFXM_PARAMETER_INOUT AccumulateOutputs result) +#else +FfxFloat32 ComputeLumaInstabilityFactor(const AccumulationPassCommonParams params, RectificationBox clippingBox, FfxFloat32 fThisFrameReactiveFactor, FfxFloat32 fLuminanceDiff, FFXM_PARAMETER_INOUT AccumulateOutputs result) +#endif +{ + const FfxFloat32 fUnormThreshold = 1.0f / 255.0f; + const FfxInt32 N_MINUS_1 = 0; + const FfxInt32 N_MINUS_2 = 1; + const FfxInt32 N_MINUS_3 = 2; + const FfxInt32 N_MINUS_4 = 3; + + FfxFloat32 fCurrentFrameLuma = clippingBox.boxCenter.x; + +#if FFXM_FSR2_OPTION_HDR_COLOR_INPUT + fCurrentFrameLuma = fCurrentFrameLuma / (1.0f + ffxMax(0.0f, fCurrentFrameLuma)); +#endif + + fCurrentFrameLuma = round(fCurrentFrameLuma * 255.0f) / 255.0f; + + const FfxBoolean bSampleLumaHistory = (ffxMax(ffxMax(params.fDepthClipFactor, params.fAccumulationMask), fLuminanceDiff) < 0.1f) && (params.bIsNewSample == false); + FfxFloat32x4 fCurrentFrameLumaHistory = bSampleLumaHistory ? SampleLumaHistory(params.fReprojectedHrUv) : FFXM_BROADCAST_FLOAT32X4(0.0f); + + FfxFloat32 fLumaInstability = 0.0f; + FfxFloat32 fDiffs0 = (fCurrentFrameLuma - fCurrentFrameLumaHistory[N_MINUS_1]); + + FfxFloat32 fMin = abs(fDiffs0); + + if (fMin >= fUnormThreshold) { + for (int i = N_MINUS_2; i <= N_MINUS_4; i++) { + FfxFloat32 fDiffs1 = (fCurrentFrameLuma - fCurrentFrameLumaHistory[i]); + + if (sign(fDiffs0) == sign(fDiffs1)) { + + // Scale difference to protect historically similar values + const FfxFloat32 fMinBias = 1.0f; + fMin = ffxMin(fMin, abs(fDiffs1) * fMinBias); + } + } + + const FfxFloat32 fBoxSize = clippingBox.boxVec.x; + const FfxFloat32 fBoxSizeFactor = ffxPow(ffxSaturate(fBoxSize / 0.1f), 6.0f); + + fLumaInstability = FfxFloat32(fMin != abs(fDiffs0)) * fBoxSizeFactor; + fLumaInstability = FfxFloat32(fLumaInstability > fUnormThreshold); + + fLumaInstability *= 1.0f - ffxMax(params.fAccumulationMask, ffxPow(fThisFrameReactiveFactor, 1.0f / 6.0f)); + } + + //shift history + fCurrentFrameLumaHistory[N_MINUS_4] = fCurrentFrameLumaHistory[N_MINUS_3]; + fCurrentFrameLumaHistory[N_MINUS_3] = fCurrentFrameLumaHistory[N_MINUS_2]; + fCurrentFrameLumaHistory[N_MINUS_2] = fCurrentFrameLumaHistory[N_MINUS_1]; + fCurrentFrameLumaHistory[N_MINUS_1] = fCurrentFrameLuma; + + result.fLumaHistory = fCurrentFrameLumaHistory; + + return fLumaInstability * FfxFloat32(fCurrentFrameLumaHistory[N_MINUS_4] != 0); +} + +FfxFloat32 ComputeTemporalReactiveFactor(const AccumulationPassCommonParams params, FfxFloat32 fTemporalReactiveFactor) +{ + FfxFloat32 fNewFactor = ffxMin(0.99f, fTemporalReactiveFactor); + + fNewFactor = ffxMax(fNewFactor, ffxLerp(fNewFactor, 0.4f, ffxSaturate(params.fHrVelocity))); + + fNewFactor = ffxMax(fNewFactor * fNewFactor, ffxMax(params.fDepthClipFactor * 0.1f, params.fDilatedReactiveFactor)); + + // Force reactive factor for new samples + fNewFactor = params.bIsNewSample ? 1.0f : fNewFactor; + + if (ffxSaturate(params.fHrVelocity * 10.0f) >= 1.0f) { + fNewFactor = ffxMax(FSR2_EPSILON, fNewFactor) * -1.0f; + } + + return fNewFactor; +} + +void initReactiveMaskFactors(FFXM_PARAMETER_INOUT AccumulationPassCommonParams params) +{ + const FFXM_MIN16_F2 fDilatedReactiveMasks = FFXM_MIN16_F2(SampleDilatedReactiveMasks(params.fLrUv_HwSampler)); + params.fDilatedReactiveFactor = fDilatedReactiveMasks.x; + params.fAccumulationMask = fDilatedReactiveMasks.y; +} + +void initDepthClipFactors(FFXM_PARAMETER_INOUT AccumulationPassCommonParams params) +{ + params.fDepthClipFactor = FFXM_MIN16_F(ffxSaturate(SampleDepthClip(params.fLrUv_HwSampler))); +} + +void initIsNewSample(FFXM_PARAMETER_INOUT AccumulationPassCommonParams params) +{ + const FfxBoolean bIsResetFrame = (0 == FrameIndex()); + params.bIsNewSample = (params.bIsExistingSample == false || bIsResetFrame); +} + + +AccumulationPassCommonParams InitParams(FfxInt32x2 iPxHrPos) +{ + AccumulationPassCommonParams params; + + params.iPxHrPos = iPxHrPos; + const FfxFloat32x2 fHrUv = (iPxHrPos + 0.5f) / DisplaySize(); + params.fHrUv = fHrUv; + + const FfxFloat32x2 fLrUvJittered = fHrUv + Jitter() / RenderSize(); + params.fLrUv_HwSampler = ClampUv(fLrUvJittered, RenderSize(), MaxRenderSize()); + + params.fMotionVector = GetMotionVector(iPxHrPos, fHrUv); + params.fHrVelocity = GetPxHrVelocity(params.fMotionVector); + + ComputeReprojectedUVs(params, params.fReprojectedHrUv, params.bIsExistingSample); + + return params; +} + +AccumulateOutputs Accumulate(FfxInt32x2 iPxHrPos) +{ + AccumulationPassCommonParams params = InitParams(iPxHrPos); + + FfxFloat32x3 fHistoryColor = FfxFloat32x3(0, 0, 0); + FFXM_MIN16_F2 fLockStatus; + InitializeNewLockSample(fLockStatus); + + FFXM_MIN16_F fTemporalReactiveFactor = FFXM_MIN16_F(0.0f); + FfxBoolean bInMotionLastFrame = FFXM_FALSE; + LockState lockState = { FFXM_FALSE , FFXM_FALSE }; + const FfxBoolean bIsResetFrame = (0 == FrameIndex()); + if (params.bIsExistingSample && !bIsResetFrame) { + ReprojectHistoryColor(params, fHistoryColor, fTemporalReactiveFactor, bInMotionLastFrame); + lockState = ReprojectHistoryLockStatus(params, fLockStatus); + } + + initReactiveMaskFactors(params); + initDepthClipFactors(params); + + FfxFloat32 fThisFrameReactiveFactor = ffxMax(params.fDilatedReactiveFactor, fTemporalReactiveFactor); + + FfxFloat32 fLuminanceDiff = 0.0f; + FfxFloat32 fLockContributionThisFrame = 0.0f; + FfxFloat32x2 fLockStatus32 = {fLockStatus.x, fLockStatus.y}; + UpdateLockStatus(params, fThisFrameReactiveFactor, lockState, fLockStatus32, fLockContributionThisFrame, fLuminanceDiff); + fLockStatus = FFXM_MIN16_F2(fLockStatus32); + +#ifdef FFXM_HLSL + AccumulateOutputs results = (AccumulateOutputs)0; +#else + AccumulateOutputs results; +#endif + + // Load upsampled input color +#if FFXM_HALF +#ifdef FFXM_HLSL + RectificationBoxMin16 clippingBox = (RectificationBoxMin16)0; +#else + RectificationBoxMin16 clippingBox; +#endif +#else +#ifdef FFXM_HLSL + RectificationBox clippingBox = (RectificationBox)0; +#else + RectificationBox clippingBox; +#endif +#endif + + initIsNewSample(params); + + FfxFloat32x4 fUpsampledColorAndWeight = ComputeUpsampledColorAndWeight(params, clippingBox, fThisFrameReactiveFactor); + + FinalizeLockStatus(params, fLockStatus, fUpsampledColorAndWeight.w, results); + +#if FFXM_SHADER_QUALITY_OPT_DISABLE_LUMA_INSTABILITY + const FfxFloat32 fLumaInstabilityFactor = 0.0f; +#else + const FfxFloat32 fLumaInstabilityFactor = ComputeLumaInstabilityFactor(params, clippingBox, fThisFrameReactiveFactor, fLuminanceDiff, results); +#endif + + FfxFloat32x3 fAccumulation = ComputeBaseAccumulationWeight(params, fThisFrameReactiveFactor, bInMotionLastFrame, fUpsampledColorAndWeight.w, lockState); + + if (params.bIsNewSample) { +#if FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + fHistoryColor = InverseTonemap(fUpsampledColorAndWeight.xyz); +#else + fHistoryColor = YCoCgToRGB(fUpsampledColorAndWeight.xyz); +#endif + } + else { + RectifyHistory(params, clippingBox, fHistoryColor, fAccumulation, fLockContributionThisFrame, fThisFrameReactiveFactor, fLumaInstabilityFactor); + + Accumulate(params, fHistoryColor, fAccumulation, fUpsampledColorAndWeight); + } + + fHistoryColor = UnprepareRgb(fHistoryColor, Exposure()); + + // Get new temporal reactive factor + fTemporalReactiveFactor = FFXM_MIN16_F(ComputeTemporalReactiveFactor(params, fThisFrameReactiveFactor)); + +#if !FFXM_SHADER_QUALITY_OPT_SEPARATE_TEMPORAL_REACTIVE + results.fColorAndWeight = FfxFloat32x4(fHistoryColor, fTemporalReactiveFactor); +#else + // Output the upscaled color and the temporal reactive factor if these are contained in separate textures + results.fUpscaledColor = fHistoryColor; + results.fTemporalReactive = fTemporalReactiveFactor; +#endif + // Output final color when RCAS is disabled +#if FFXM_FSR2_OPTION_APPLY_SHARPENING == 0 + results.fColor = fHistoryColor; +#endif + StoreNewLocks(iPxHrPos, 0); + + return results; +} + +#endif // FFXM_FSR2_ACCUMULATE_H diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h.meta new file mode 100644 index 0000000..77620fd --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 508ebc327e5948447894b9bb6f08f843 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_callbacks_hlsl.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_callbacks_hlsl.h new file mode 100644 index 0000000..7a0ba61 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_callbacks_hlsl.h @@ -0,0 +1,1014 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#include "./fsr2/ffxm_fsr2_resources.h" + +#if defined(FFXM_GPU) +#ifdef __hlsl_dx_compiler +#pragma dxc diagnostic push +#pragma dxc diagnostic ignored "-Wambig-lit-shift" +#endif //__hlsl_dx_compiler +#include "./ffxm_core.h" +#ifdef __hlsl_dx_compiler +#pragma dxc diagnostic pop +#endif //__hlsl_dx_compiler +#endif // #if defined(FFXM_GPU) + +#if defined(FFXM_GPU) +#ifndef FFXM_PREFER_WAVE64 +#define FFXM_PREFER_WAVE64 +#endif // FFXM_PREFER_WAVE64 + +#if defined(FFXM_GPU) +//#pragma warning(disable: 3205) // conversion from larger type to smaller +#endif // #if defined(FFXM_GPU) + +#define DECLARE_SRV_REGISTER(regIndex) t##regIndex +#define DECLARE_UAV_REGISTER(regIndex) u##regIndex +#define DECLARE_CB_REGISTER(regIndex) b##regIndex +#define FFXM_FSR2_DECLARE_SRV(regIndex) register(DECLARE_SRV_REGISTER(regIndex)) +#define FFXM_FSR2_DECLARE_UAV(regIndex) register(DECLARE_UAV_REGISTER(regIndex)) +#define FFXM_FSR2_DECLARE_CB(regIndex) register(DECLARE_CB_REGISTER(regIndex)) +#define SET_0_CB_START 2 + +// Workaround +#if FFXM_SHADER_PLATFORM_GLES_3_2 +#define FFXM_UAV_RG_QUALIFIER FfxFloat32x4 +#else +#define FFXM_UAV_RG_QUALIFIER FfxFloat32x2 +#endif + +#if defined(FSR2_BIND_CB_FSR2) + [[vk::binding(FSR2_BIND_CB_FSR2 + SET_0_CB_START, 0)]] cbuffer cbFSR2 : FFXM_FSR2_DECLARE_CB(FSR2_BIND_CB_FSR2) + { + FfxInt32x2 iRenderSize; + FfxInt32x2 iMaxRenderSize; + FfxInt32x2 iDisplaySize; + FfxInt32x2 iInputColorResourceDimensions; + FfxInt32x2 iLumaMipDimensions; + FfxInt32 iLumaMipLevelToUse; + FfxInt32 iFrameIndex; + + FfxFloat32x4 fDeviceToViewDepth; + FfxFloat32x2 fJitter; + FfxFloat32x2 fMotionVectorScale; + FfxFloat32x2 fDownscaleFactor; + FfxFloat32x2 fMotionVectorJitterCancellation; + FfxFloat32 fPreExposure; + FfxFloat32 fPreviousFramePreExposure; + FfxFloat32 fTanHalfFOV; + FfxFloat32 fJitterSequenceLength; + FfxFloat32 fDeltaTime; + FfxFloat32 fDynamicResChangeFactor; + FfxFloat32 fViewSpaceToMetersFactor; + }; + +#define FFXM_FSR2_CONSTANT_BUFFER_1_SIZE (sizeof(cbFSR2) / 4) // Number of 32-bit values. This must be kept in sync with the cbFSR2 size. + +/* Define getter functions in the order they are defined in the CB! */ +FfxInt32x2 RenderSize() +{ + return iRenderSize; +} + +FfxInt32x2 MaxRenderSize() +{ + return iMaxRenderSize; +} + +FfxInt32x2 DisplaySize() +{ + return iDisplaySize; +} + +FfxInt32x2 InputColorResourceDimensions() +{ + return iInputColorResourceDimensions; +} + +FfxInt32x2 LumaMipDimensions() +{ + return iLumaMipDimensions; +} + +FfxInt32 LumaMipLevelToUse() +{ + return iLumaMipLevelToUse; +} + +FfxInt32 FrameIndex() +{ + return iFrameIndex; +} + +FfxFloat32x2 Jitter() +{ + return fJitter; +} + +FfxFloat32x4 DeviceToViewSpaceTransformFactors() +{ + return fDeviceToViewDepth; +} + +FfxFloat32x2 MotionVectorScale() +{ + return fMotionVectorScale; +} + +FfxFloat32x2 DownscaleFactor() +{ + return fDownscaleFactor; +} + +FfxFloat32x2 MotionVectorJitterCancellation() +{ + return fMotionVectorJitterCancellation; +} + +FfxFloat32 PreExposure() +{ + return fPreExposure; +} + +FfxFloat32 PreviousFramePreExposure() +{ + return fPreviousFramePreExposure; +} + +FfxFloat32 TanHalfFoV() +{ + return fTanHalfFOV; +} + +FfxFloat32 JitterSequenceLength() +{ + return fJitterSequenceLength; +} + +FfxFloat32 DeltaTime() +{ + return fDeltaTime; +} + +FfxFloat32 DynamicResChangeFactor() +{ + return fDynamicResChangeFactor; +} + +FfxFloat32 ViewSpaceToMetersFactor() +{ + return fViewSpaceToMetersFactor; +} +#endif // #if defined(FSR2_BIND_CB_FSR2) + +#define FFXM_FSR2_ROOTSIG_STRINGIFY(p) FFXM_FSR2_ROOTSIG_STR(p) +#define FFXM_FSR2_ROOTSIG_STR(p) #p +#define FFXM_FSR2_ROOTSIG [RootSignature( "DescriptorTable(UAV(u0, numDescriptors = " FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ + "DescriptorTable(SRV(t0, numDescriptors = " FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ + "RootConstants(num32BitConstants=" FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_CONSTANT_BUFFER_1_SIZE) ", b0), " \ + "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \ + "addressU = TEXTURE_ADDRESS_CLAMP, " \ + "addressV = TEXTURE_ADDRESS_CLAMP, " \ + "addressW = TEXTURE_ADDRESS_CLAMP, " \ + "comparisonFunc = COMPARISON_NEVER, " \ + "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \ + "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \ + "addressU = TEXTURE_ADDRESS_CLAMP, " \ + "addressV = TEXTURE_ADDRESS_CLAMP, " \ + "addressW = TEXTURE_ADDRESS_CLAMP, " \ + "comparisonFunc = COMPARISON_NEVER, " \ + "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )] + +#define FFXM_FSR2_CONSTANT_BUFFER_2_SIZE 6 // Number of 32-bit values. This must be kept in sync with max( cbRCAS , cbSPD) size. + +#define FFXM_FSR2_CB2_ROOTSIG [RootSignature( "DescriptorTable(UAV(u0, numDescriptors = " FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ + "DescriptorTable(SRV(t0, numDescriptors = " FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ + "RootConstants(num32BitConstants=" FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_CONSTANT_BUFFER_1_SIZE) ", b0), " \ + "RootConstants(num32BitConstants=" FFXM_FSR2_ROOTSIG_STRINGIFY(FFXM_FSR2_CONSTANT_BUFFER_2_SIZE) ", b1), " \ + "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \ + "addressU = TEXTURE_ADDRESS_CLAMP, " \ + "addressV = TEXTURE_ADDRESS_CLAMP, " \ + "addressW = TEXTURE_ADDRESS_CLAMP, " \ + "comparisonFunc = COMPARISON_NEVER, " \ + "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \ + "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \ + "addressU = TEXTURE_ADDRESS_CLAMP, " \ + "addressV = TEXTURE_ADDRESS_CLAMP, " \ + "addressW = TEXTURE_ADDRESS_CLAMP, " \ + "comparisonFunc = COMPARISON_NEVER, " \ + "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )] +#if defined(FFXM_FSR2_EMBED_ROOTSIG) +#define FFXM_FSR2_EMBED_ROOTSIG_CONTENT FFXM_FSR2_ROOTSIG +#define FFXM_FSR2_EMBED_CB2_ROOTSIG_CONTENT FFXM_FSR2_CB2_ROOTSIG +#else +#define FFXM_FSR2_EMBED_ROOTSIG_CONTENT +#define FFXM_FSR2_EMBED_CB2_ROOTSIG_CONTENT +#endif // #if FFXM_FSR2_EMBED_ROOTSIG + +#if defined(FSR2_BIND_CB_RCAS) +[[vk::binding(FSR2_BIND_CB_RCAS + SET_0_CB_START, 0)]] cbuffer cbRCAS : FFXM_FSR2_DECLARE_CB(FSR2_BIND_CB_RCAS) +{ + FfxUInt32x4 rcasConfig; +}; + +FfxUInt32x4 RCASConfig() +{ + return rcasConfig; +} +#endif // #if defined(FSR2_BIND_CB_RCAS) + + +#if defined(FSR2_BIND_CB_REACTIVE) +[[vk::binding(FSR2_BIND_CB_REACTIVE + SET_0_CB_START, 0)]] cbuffer cbGenerateReactive : FFXM_FSR2_DECLARE_CB(FSR2_BIND_CB_REACTIVE) +{ + FfxFloat32 gen_reactive_scale; + FfxFloat32 gen_reactive_threshold; + FfxFloat32 gen_reactive_binaryValue; + FfxUInt32 gen_reactive_flags; +}; + +FfxFloat32 GenReactiveScale() +{ + return gen_reactive_scale; +} + +FfxFloat32 GenReactiveThreshold() +{ + return gen_reactive_threshold; +} + +FfxFloat32 GenReactiveBinaryValue() +{ + return gen_reactive_binaryValue; +} + +FfxUInt32 GenReactiveFlags() +{ + return gen_reactive_flags; +} +#endif // #if defined(FSR2_BIND_CB_REACTIVE) + +#if defined(FSR2_BIND_CB_SPD) +[[vk::binding(FSR2_BIND_CB_SPD + SET_0_CB_START, 0)]] cbuffer cbSPD : FFXM_FSR2_DECLARE_CB(FSR2_BIND_CB_SPD) { + + FfxUInt32 mips; + FfxUInt32 numWorkGroups; + FfxUInt32x2 workGroupOffset; + FfxUInt32x2 renderSize; +}; + +FfxUInt32 MipCount() +{ + return mips; +} + +FfxUInt32 NumWorkGroups() +{ + return numWorkGroups; +} + +FfxUInt32x2 WorkGroupOffset() +{ + return workGroupOffset; +} + +FfxUInt32x2 SPD_RenderSize() +{ + return renderSize; +} +#endif // #if defined(FSR2_BIND_CB_SPD) + +[[vk::binding(0, 0)]] SamplerState s_PointClamp : register(s0); +[[vk::binding(1, 0)]] SamplerState s_LinearClamp : register(s1); + + // SRVs + #if defined FSR2_BIND_SRV_INPUT_COLOR + [[vk::binding(FSR2_BIND_SRV_INPUT_COLOR, 1)]] Texture2D r_input_color_jittered : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_COLOR); + #endif + #if defined FSR2_BIND_SRV_INPUT_OPAQUE_ONLY + [[vk::binding(FSR2_BIND_SRV_INPUT_OPAQUE_ONLY, 1)]] Texture2D r_input_opaque_only : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_OPAQUE_ONLY); + #endif + #if defined FSR2_BIND_SRV_INPUT_MOTION_VECTORS + [[vk::binding(FSR2_BIND_SRV_INPUT_MOTION_VECTORS, 1)]] Texture2D r_input_motion_vectors : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_MOTION_VECTORS); + #endif + #if defined FSR2_BIND_SRV_INPUT_DEPTH + [[vk::binding(FSR2_BIND_SRV_INPUT_DEPTH, 1)]] Texture2D r_input_depth : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_DEPTH); + #endif + #if defined FSR2_BIND_SRV_INPUT_EXPOSURE + [[vk::binding(FSR2_BIND_SRV_INPUT_EXPOSURE, 1)]] Texture2D r_input_exposure : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_EXPOSURE); + #endif + #if defined FSR2_BIND_SRV_AUTO_EXPOSURE + [[vk::binding(FSR2_BIND_SRV_AUTO_EXPOSURE, 1)]] Texture2D r_auto_exposure : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_AUTO_EXPOSURE); + #endif + #if defined FSR2_BIND_SRV_REACTIVE_MASK + [[vk::binding(FSR2_BIND_SRV_REACTIVE_MASK, 1)]] Texture2D r_reactive_mask : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_REACTIVE_MASK); + #endif + #if defined FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK + [[vk::binding(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK, 1)]] Texture2D r_transparency_and_composition_mask : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK); + #endif + #if defined FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH + [[vk::binding(FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH, 1)]] Texture2D r_reconstructed_previous_nearest_depth : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH); + #endif + #if defined FSR2_BIND_SRV_DILATED_MOTION_VECTORS + [[vk::binding(FSR2_BIND_SRV_DILATED_MOTION_VECTORS, 1)]] Texture2D r_dilated_motion_vectors : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_MOTION_VECTORS); + #endif + #if defined FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS + [[vk::binding(FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS, 1)]] Texture2D r_previous_dilated_motion_vectors : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS); + #endif + #if defined FSR2_BIND_SRV_DILATED_DEPTH + [[vk::binding(FSR2_BIND_SRV_DILATED_DEPTH, 1)]] Texture2D r_dilatedDepth : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_DEPTH); + #endif + #if defined FSR2_BIND_SRV_INTERNAL_UPSCALED + [[vk::binding(FSR2_BIND_SRV_INTERNAL_UPSCALED, 1)]] Texture2D r_internal_upscaled_color : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INTERNAL_UPSCALED); + #endif + #if defined FSR2_BIND_SRV_LOCK_STATUS + [[vk::binding(FSR2_BIND_SRV_LOCK_STATUS, 1)]] Texture2D r_lock_status : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_STATUS); + #endif + #if defined FSR2_BIND_SRV_LOCK_INPUT_LUMA + [[vk::binding(FSR2_BIND_SRV_LOCK_INPUT_LUMA, 1)]] Texture2D r_lock_input_luma : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_INPUT_LUMA); + #endif + #if defined FSR2_BIND_SRV_NEW_LOCKS + [[vk::binding(FSR2_BIND_SRV_NEW_LOCKS, 1)]] Texture2D r_new_locks : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_NEW_LOCKS); + #endif + #if defined FSR2_BIND_SRV_PREPARED_INPUT_COLOR + [[vk::binding(FSR2_BIND_SRV_PREPARED_INPUT_COLOR, 1)]] Texture2D r_prepared_input_color : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_PREPARED_INPUT_COLOR); + #endif + #if defined FSR2_BIND_SRV_LUMA_HISTORY + [[vk::binding(FSR2_BIND_SRV_LUMA_HISTORY, 1)]] Texture2D r_luma_history : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LUMA_HISTORY); + #endif + #if defined FSR2_BIND_SRV_RCAS_INPUT + [[vk::binding(FSR2_BIND_SRV_RCAS_INPUT, 1)]] Texture2D r_rcas_input : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_RCAS_INPUT); + #endif + #if defined FSR2_BIND_SRV_LANCZOS_LUT + [[vk::binding(FSR2_BIND_SRV_LANCZOS_LUT, 1)]] Texture2D r_lanczos_lut : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LANCZOS_LUT); + #endif + #if defined FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS + [[vk::binding(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS, 1)]] Texture2D r_imgMips : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS); + #endif + #if defined FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT + [[vk::binding(FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT, 1)]] Texture2D r_upsample_maximum_bias_lut : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT); + #endif + #if defined FSR2_BIND_SRV_DILATED_REACTIVE_MASKS + [[vk::binding(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS, 1)]] Texture2D r_dilated_reactive_masks : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS); + #endif + + #if defined FSR2_BIND_SRV_TEMPORAL_REACTIVE + [[vk::binding(FSR2_BIND_SRV_TEMPORAL_REACTIVE, 1)]] Texture2D r_internal_temporal_reactive : FFXM_FSR2_DECLARE_SRV(FSR2_BIND_SRV_TEMPORAL_REACTIVE); + #endif + + // UAV declarations + #if defined FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH + [[vk::binding(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH, 1)]] RWTexture2D rw_reconstructed_previous_nearest_depth : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH); + #endif + #if defined FSR2_BIND_UAV_DILATED_MOTION_VECTORS + [[vk::binding(FSR2_BIND_UAV_DILATED_MOTION_VECTORS, 1)]] RWTexture2D rw_dilated_motion_vectors : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_MOTION_VECTORS); + #endif + #if defined FSR2_BIND_UAV_DILATED_DEPTH + [[vk::binding(FSR2_BIND_UAV_DILATED_DEPTH, 1)]] RWTexture2D rw_dilatedDepth : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_DEPTH); + #endif + #if defined FSR2_BIND_UAV_INTERNAL_UPSCALED + [[vk::binding(FSR2_BIND_UAV_INTERNAL_UPSCALED, 1)]] RWTexture2D rw_internal_upscaled_color : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_INTERNAL_UPSCALED); + #endif + #if defined FSR2_BIND_UAV_LOCK_STATUS + [[vk::binding(FSR2_BIND_UAV_LOCK_STATUS, 1)]] RWTexture2D rw_lock_status : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_STATUS); + #endif + #if defined FSR2_BIND_UAV_LOCK_INPUT_LUMA + [[vk::binding(FSR2_BIND_UAV_LOCK_INPUT_LUMA, 1)]] RWTexture2D rw_lock_input_luma : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_INPUT_LUMA); + #endif + #if defined FSR2_BIND_UAV_NEW_LOCKS + [[vk::binding(FSR2_BIND_UAV_NEW_LOCKS, 1)]] RWTexture2D rw_new_locks : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_NEW_LOCKS); + #endif + #if defined FSR2_BIND_UAV_PREPARED_INPUT_COLOR + [[vk::binding(FSR2_BIND_UAV_PREPARED_INPUT_COLOR, 1)]] RWTexture2D rw_prepared_input_color : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREPARED_INPUT_COLOR); + #endif + #if defined FSR2_BIND_UAV_LUMA_HISTORY + [[vk::binding(FSR2_BIND_UAV_LUMA_HISTORY, 1)]] RWTexture2D rw_luma_history : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LUMA_HISTORY); + #endif + #if defined FSR2_BIND_UAV_UPSCALED_OUTPUT + [[vk::binding(FSR2_BIND_UAV_UPSCALED_OUTPUT, 1)]] RWTexture2D rw_upscaled_output : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_UPSCALED_OUTPUT); + #endif + #if defined FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE + [[vk::binding(FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE, 1)]] globallycoherent RWTexture2D rw_img_mip_shading_change : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE); + #endif + #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 + [[vk::binding(FSR2_BIND_UAV_EXPOSURE_MIP_5, 1)]] globallycoherent RWTexture2D rw_img_mip_5 : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE_MIP_5); + #endif + #if defined FSR2_BIND_UAV_DILATED_REACTIVE_MASKS + [[vk::binding(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS, 1)]] RWTexture2D rw_dilated_reactive_masks : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS); + #endif + #if defined FSR2_BIND_UAV_EXPOSURE + [[vk::binding(FSR2_BIND_UAV_EXPOSURE, 1)]] RWTexture2D rw_exposure : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE); + #endif + #if defined FSR2_BIND_UAV_AUTO_EXPOSURE + [[vk::binding(FSR2_BIND_UAV_AUTO_EXPOSURE, 1)]] RWTexture2D rw_auto_exposure : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTO_EXPOSURE); + #endif + #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC + [[vk::binding(FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC, 1)]] globallycoherent RWTexture2D rw_spd_global_atomic : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC); + #endif + + #if defined FSR2_BIND_UAV_AUTOREACTIVE + [[vk::binding(FSR2_BIND_UAV_AUTOREACTIVE, 1)]] RWTexture2D rw_output_autoreactive : FFXM_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTOREACTIVE); + #endif + +#if defined(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS) +FfxFloat32 LoadMipLuma(FfxUInt32x2 iPxPos, FfxUInt32 mipLevel) +{ + return r_imgMips.mips[mipLevel][iPxPos]; +} +#endif + +#if defined(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS) +FfxFloat32 SampleMipLuma(FfxFloat32x2 fUV, FfxUInt32 mipLevel) +{ + return r_imgMips.SampleLevel(s_LinearClamp, fUV, mipLevel); +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_DEPTH) +FfxFloat32 LoadInputDepth(FfxUInt32x2 iPxPos) +{ + return r_input_depth[iPxPos]; +} +/* + dd00 (-1,1) *------* dd10 (0,-1) + | | + | | + dd01 (-1,0) *------* dd11 (0,0) +*/ +void GatherInputDepthRQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FfxFloat32 dd00, + FFXM_PARAMETER_INOUT FfxFloat32 dd10, + FFXM_PARAMETER_INOUT FfxFloat32 dd01, + FFXM_PARAMETER_INOUT FfxFloat32 dd11) +{ + FfxFloat32x4 rrrr = r_input_depth.GatherRed(s_PointClamp, fUV); + dd01 = FfxFloat32(rrrr.x); + dd11 = FfxFloat32(rrrr.y); + dd10 = FfxFloat32(rrrr.z); + dd00 = FfxFloat32(rrrr.w); +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_DEPTH) +FfxFloat32 SampleInputDepth(FfxFloat32x2 fUV) +{ + return r_input_depth.SampleLevel(s_LinearClamp, fUV, 0).x; +} +#endif + +#if defined(FSR2_BIND_SRV_REACTIVE_MASK) +FfxFloat32 LoadReactiveMask(FfxUInt32x2 iPxPos) +{ + return r_reactive_mask[iPxPos]; +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherReactiveRQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col11) +{ + FFXM_MIN16_F4 rrrr = r_reactive_mask.GatherRed(s_PointClamp, fUV); + col01 = FFXM_MIN16_F(rrrr.x); + col11 = FFXM_MIN16_F(rrrr.y); + col10 = FFXM_MIN16_F(rrrr.z); + col00 = FFXM_MIN16_F(rrrr.w); +} +#endif + +#if defined(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK) +FfxFloat32 LoadTransparencyAndCompositionMask(FfxUInt32x2 iPxPos) +{ + return r_transparency_and_composition_mask[iPxPos]; +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherTransparencyAndCompositionMaskRQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col11) +{ + FFXM_MIN16_F4 rrrr = r_transparency_and_composition_mask.GatherRed(s_PointClamp, fUV); + col01 = FFXM_MIN16_F(rrrr.x); + col11 = FFXM_MIN16_F(rrrr.y); + col10 = FFXM_MIN16_F(rrrr.z); + col00 = FFXM_MIN16_F(rrrr.w); +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_COLOR) +FFXM_MIN16_F3 LoadInputColor(FfxUInt32x2 iPxPos) +{ + return r_input_color_jittered[iPxPos].rgb; +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherInputColorRGBQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col11) +{ + FFXM_MIN16_F4 rrrr = r_input_color_jittered.GatherRed(s_PointClamp, fUV); + FFXM_MIN16_F4 gggg = r_input_color_jittered.GatherGreen(s_PointClamp, fUV); + FFXM_MIN16_F4 bbbb = r_input_color_jittered.GatherBlue(s_PointClamp, fUV); + col01 = FFXM_MIN16_F3(rrrr.x, gggg.x, bbbb.x); + col11 = FFXM_MIN16_F3(rrrr.y, gggg.y, bbbb.y); + col10 = FFXM_MIN16_F3(rrrr.z, gggg.z, bbbb.z); + col00 = FFXM_MIN16_F3(rrrr.w, gggg.w, bbbb.w); +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_COLOR) +FFXM_MIN16_F3 SampleInputColor(FfxFloat32x2 fUV) +{ + return r_input_color_jittered.SampleLevel(s_LinearClamp, fUV, 0).rgb; +} +#endif + +#if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) +FFXM_MIN16_F3 LoadPreparedInputColor(FfxUInt32x2 iPxPos) +{ + return r_prepared_input_color[iPxPos].xyz; +} +FFXM_MIN16_F3 SamplePreparedInputColor(FfxFloat32x2 fUV) +{ + return r_prepared_input_color.SampleLevel(s_PointClamp, fUV, 0).xyz; +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherPreparedInputColorRGBQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F3 col11) +{ + FFXM_MIN16_F4 rrrr = r_prepared_input_color.GatherRed(s_PointClamp, fUV); + FFXM_MIN16_F4 gggg = r_prepared_input_color.GatherGreen(s_PointClamp, fUV); + FFXM_MIN16_F4 bbbb = r_prepared_input_color.GatherBlue(s_PointClamp, fUV); + col01 = FFXM_MIN16_F3(rrrr.x, gggg.x, bbbb.x); + col11 = FFXM_MIN16_F3(rrrr.y, gggg.y, bbbb.y); + col10 = FFXM_MIN16_F3(rrrr.z, gggg.z, bbbb.z); + col00 = FFXM_MIN16_F3(rrrr.w, gggg.w, bbbb.w); +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_MOTION_VECTORS) +FFXM_MIN16_F2 LoadInputMotionVector(FfxUInt32x2 iPxDilatedMotionVectorPos) +{ + FFXM_MIN16_F2 fSrcMotionVector = r_input_motion_vectors[iPxDilatedMotionVectorPos].xy; + + FFXM_MIN16_F2 fUvMotionVector = fSrcMotionVector * MotionVectorScale(); + +#if FFXM_FSR2_OPTION_JITTERED_MOTION_VECTORS + fUvMotionVector -= MotionVectorJitterCancellation(); +#endif + + return fUvMotionVector; +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherInputMotionVectorRGQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F2 col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F2 col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F2 col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F2 col11) +{ + FFXM_MIN16_F4 rrrr = r_input_motion_vectors.GatherRed(s_PointClamp, fUV); + FFXM_MIN16_F4 gggg = r_input_motion_vectors.GatherGreen(s_PointClamp, fUV); + col01 = FFXM_MIN16_F2(rrrr.x, gggg.x) * MotionVectorScale(); + col11 = FFXM_MIN16_F2(rrrr.y, gggg.y) * MotionVectorScale(); + col10 = FFXM_MIN16_F2(rrrr.z, gggg.z) * MotionVectorScale(); + col00 = FFXM_MIN16_F2(rrrr.w, gggg.w) * MotionVectorScale(); +#if FFXM_FSR2_OPTION_JITTERED_MOTION_VECTORS + col01 -= MotionVectorJitterCancellation(); + col11 -= MotionVectorJitterCancellation(); + col10 -= MotionVectorJitterCancellation(); + col00 -= MotionVectorJitterCancellation(); +#endif +} +#endif + +#if defined(FSR2_BIND_SRV_INTERNAL_UPSCALED) +FFXM_MIN16_F4 LoadHistory(FfxUInt32x2 iPxHistory) +{ + return r_internal_upscaled_color[iPxHistory]; +} +FFXM_MIN16_F4 SampleUpscaledHistory(FfxFloat32x2 fUV) +{ + return r_internal_upscaled_color.SampleLevel(s_LinearClamp, fUV, 0); +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherHistoryColorRGBQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F4 col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F4 col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F4 col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F4 col11) +{ + FFXM_MIN16_F4 rrrr = r_internal_upscaled_color.GatherRed(s_PointClamp, fUV); + FFXM_MIN16_F4 gggg = r_internal_upscaled_color.GatherGreen(s_PointClamp, fUV); + FFXM_MIN16_F4 bbbb = r_internal_upscaled_color.GatherBlue(s_PointClamp, fUV); + col01 = FFXM_MIN16_F4(rrrr.x, gggg.x, bbbb.x, 0.0f); + col11 = FFXM_MIN16_F4(rrrr.y, gggg.y, bbbb.y, 0.0f); + col10 = FFXM_MIN16_F4(rrrr.z, gggg.z, bbbb.z, 0.0f); + col00 = FFXM_MIN16_F4(rrrr.w, gggg.w, bbbb.w, 0.0f); +} +#endif + +#if defined(FSR2_BIND_UAV_LUMA_HISTORY) +void StoreLumaHistory(FfxUInt32x2 iPxPos, FfxFloat32x4 fLumaHistory) +{ + rw_luma_history[iPxPos] = fLumaHistory; +} +#endif + +#if defined(FSR2_BIND_SRV_LUMA_HISTORY) +FFXM_MIN16_F4 SampleLumaHistory(FfxFloat32x2 fUV) +{ + return r_luma_history.SampleLevel(s_LinearClamp, fUV, 0); +} +#endif + +FFXM_MIN16_F4 LoadRCAS_Input(FfxInt32x2 iPxPos) +{ +#if defined(FSR2_BIND_SRV_RCAS_INPUT) + return r_rcas_input.Load(FfxInt32x3(iPxPos, 0)); +#else + return 0.0; +#endif +} + +#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) +void StoreReprojectedHistory(FfxUInt32x2 iPxHistory, FfxFloat32x4 fHistory) +{ + rw_internal_upscaled_color[iPxHistory] = fHistory; +} +#endif + +#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) +void StoreInternalColorAndWeight(FfxUInt32x2 iPxPos, FfxFloat32x4 fColorAndWeight) +{ + rw_internal_upscaled_color[iPxPos] = fColorAndWeight; +} +#endif + +#if defined(FSR2_BIND_UAV_UPSCALED_OUTPUT) +void StoreUpscaledOutput(FfxUInt32x2 iPxPos, FfxFloat32x3 fColor) +{ + rw_upscaled_output[iPxPos] = FfxFloat32x4(fColor, 1.f); +} +#endif + +//LOCK_LIFETIME_REMAINING == 0 +//Should make LockInitialLifetime() return a const 1.0f later +#if defined(FSR2_BIND_SRV_LOCK_STATUS) +FfxFloat32x2 LoadLockStatus(FfxUInt32x2 iPxPos) +{ + return r_lock_status[iPxPos]; +} +#endif + +#if defined(FSR2_BIND_UAV_LOCK_STATUS) +void StoreLockStatus(FfxUInt32x2 iPxPos, FfxFloat32x2 fLockStatus) +{ + rw_lock_status[iPxPos] = fLockStatus; +} +#endif + +#if defined(FSR2_BIND_SRV_LOCK_INPUT_LUMA) +FFXM_MIN16_F LoadLockInputLuma(FfxUInt32x2 iPxPos) +{ + return r_lock_input_luma[iPxPos]; +} +/* + col00 (-1,1) *------* col10 (0,-1) + | | + | | + col01 (-1,0) *------* col11 (0,0) +*/ +void GatherLockInputLumaRQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col00, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col10, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col01, + FFXM_PARAMETER_INOUT FFXM_MIN16_F col11) +{ + FFXM_MIN16_F4 rrrr = r_lock_input_luma.GatherRed(s_PointClamp, fUV); + col01 = FFXM_MIN16_F(rrrr.x); + col11 = FFXM_MIN16_F(rrrr.y); + col10 = FFXM_MIN16_F(rrrr.z); + col00 = FFXM_MIN16_F(rrrr.w); +} +#endif + +#if defined(FSR2_BIND_SRV_NEW_LOCKS) +FfxFloat32 LoadNewLocks(FfxUInt32x2 iPxPos) +{ + return r_new_locks[iPxPos]; +} +#endif + +#if defined(FSR2_BIND_UAV_NEW_LOCKS) +FFXM_MIN16_F LoadRwNewLocks(FfxUInt32x2 iPxPos) +{ + return rw_new_locks[iPxPos]; +} +#endif + +#if defined(FSR2_BIND_UAV_NEW_LOCKS) +void StoreNewLocks(FfxUInt32x2 iPxPos, FfxFloat32 newLock) +{ + rw_new_locks[iPxPos] = newLock; +} +#endif + +#if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) +FfxFloat32 SampleDepthClip(FfxFloat32x2 fUV) +{ + return r_prepared_input_color.SampleLevel(s_LinearClamp, fUV, 0).w; +} +#endif + +#if defined(FSR2_BIND_SRV_LOCK_STATUS) +FFXM_MIN16_F2 SampleLockStatus(FfxFloat32x2 fUV) +{ + FFXM_MIN16_F2 fLockStatus = r_lock_status.SampleLevel(s_LinearClamp, fUV, 0); + return fLockStatus; +} +#endif + +#if defined(FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH) +FfxFloat32 LoadReconstructedPrevDepth(FfxUInt32x2 iPxPos) +{ + return asfloat(r_reconstructed_previous_nearest_depth[iPxPos]); +} +/* + d00 (-1,1) *------* d10 (0,-1) + | | + | | + d01 (-1,0) *------* d11 (0,0) +*/ +void GatherReconstructedPreviousDepthRQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FfxFloat32 d00, + FFXM_PARAMETER_INOUT FfxFloat32 d10, + FFXM_PARAMETER_INOUT FfxFloat32 d01, + FFXM_PARAMETER_INOUT FfxFloat32 d11) +{ + FfxUInt32x4 rrrr = r_reconstructed_previous_nearest_depth.GatherRed(s_PointClamp, fUV); + d01 = FfxFloat32(asfloat(rrrr.x)); + d11 = FfxFloat32(asfloat(rrrr.y)); + d10 = FfxFloat32(asfloat(rrrr.z)); + d00 = FfxFloat32(asfloat(rrrr.w)); +} +#endif + +#if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) +void StoreReconstructedDepth(FfxUInt32x2 iPxSample, FfxFloat32 fDepth) +{ + FfxUInt32 uDepth = asuint(fDepth); + + #if FFXM_FSR2_OPTION_INVERTED_DEPTH + InterlockedMax(rw_reconstructed_previous_nearest_depth[iPxSample], uDepth); + #else + InterlockedMin(rw_reconstructed_previous_nearest_depth[iPxSample], uDepth); // min for standard, max for inverted depth + #endif +} +#endif + +#if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) +void SetReconstructedDepth(FfxUInt32x2 iPxSample, const FfxUInt32 uValue) +{ + rw_reconstructed_previous_nearest_depth[iPxSample] = uValue; +} +#endif + +#if defined(FSR2_BIND_SRV_DILATED_MOTION_VECTORS) +FFXM_MIN16_F2 LoadDilatedMotionVector(FfxUInt32x2 iPxInput) +{ + return r_dilated_motion_vectors[iPxInput].xy; +} +#endif + +#if defined(FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS) +FFXM_MIN16_F2 LoadPreviousDilatedMotionVector(FfxUInt32x2 iPxInput) +{ + return r_previous_dilated_motion_vectors[iPxInput].xy; +} + +FFXM_MIN16_F2 SamplePreviousDilatedMotionVector(FfxFloat32x2 uv) +{ + return r_previous_dilated_motion_vectors.SampleLevel(s_LinearClamp, uv, 0).xy; +} +#endif + +#if defined(FSR2_BIND_SRV_DILATED_DEPTH) +FfxFloat32 LoadDilatedDepth(FfxUInt32x2 iPxInput) +{ + return r_dilatedDepth[iPxInput]; +} +/* + dd00 (-1,1) *------* dd10 (0,-1) + | | + | | + dd01 (-1,0) *------* dd11 (0,0) +*/ +void GatherDilatedDepthRQuad(FfxFloat32x2 fUV, + FFXM_PARAMETER_INOUT FfxFloat32 dd00, + FFXM_PARAMETER_INOUT FfxFloat32 dd10, + FFXM_PARAMETER_INOUT FfxFloat32 dd01, + FFXM_PARAMETER_INOUT FfxFloat32 dd11) +{ + FfxFloat32x4 rrrr = r_dilatedDepth.GatherRed(s_PointClamp, fUV); + dd01 = FfxFloat32(rrrr.x); + dd11 = FfxFloat32(rrrr.y); + dd10 = FfxFloat32(rrrr.z); + dd00 = FfxFloat32(rrrr.w); +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_EXPOSURE) +FfxFloat32 Exposure() +{ + FfxFloat32 exposure = r_input_exposure[FfxUInt32x2(0, 0)].x; + + if (exposure == 0.0f) { + exposure = 1.0f; + } + + return exposure; +} +#endif + +#if defined(FSR2_BIND_SRV_AUTO_EXPOSURE) +FfxFloat32 AutoExposure() +{ + FfxFloat32 exposure = r_auto_exposure[FfxUInt32x2(0, 0)].x; + + if (exposure == 0.0f) { + exposure = 1.0f; + } + + return exposure; +} +#endif + +FfxFloat32 SampleLanczos2Weight(FfxFloat32 x) +{ +#if defined(FSR2_BIND_SRV_LANCZOS_LUT) + return r_lanczos_lut.SampleLevel(s_LinearClamp, FfxFloat32x2(x / 2, 0.5f), 0); +#else + return 0.f; +#endif +} + +#if defined(FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT) +FfxFloat32 SampleUpsampleMaximumBias(FfxFloat32x2 uv) +{ + // Stored as a SNORM, so make sure to multiply by 2 to retrieve the actual expected range. + return FfxFloat32(2.0) * r_upsample_maximum_bias_lut.SampleLevel(s_LinearClamp, abs(uv) * 2.0, 0); +} +#endif + +#if defined(FSR2_BIND_SRV_TEMPORAL_REACTIVE) +FfxFloat32 SampleTemporalReactive(FfxFloat32x2 fUV) +{ + return r_internal_temporal_reactive.SampleLevel(s_LinearClamp, fUV, 0); +} +#endif + +#if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) +FFXM_MIN16_F2 SampleDilatedReactiveMasks(FfxFloat32x2 fUV) +{ + return r_dilated_reactive_masks.SampleLevel(s_LinearClamp, fUV, 0); +} +#endif + +#if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) +FFXM_MIN16_F2 LoadDilatedReactiveMasks(FFXM_PARAMETER_IN FfxUInt32x2 iPxPos) +{ + return r_dilated_reactive_masks[iPxPos]; +} +#endif + +#if defined(FSR2_BIND_SRV_INPUT_OPAQUE_ONLY) +FfxFloat32x3 LoadOpaqueOnly(FFXM_PARAMETER_IN FFXM_MIN16_I2 iPxPos) +{ + return r_input_opaque_only[iPxPos].xyz; +} +#endif + +FfxFloat32x2 SPD_LoadExposureBuffer() +{ +#if defined FSR2_BIND_UAV_AUTO_EXPOSURE + return rw_auto_exposure[FfxInt32x2(0, 0)].rg; +#else + return FfxFloat32x2(0.f, 0.f); +#endif // #if defined FSR2_BIND_UAV_AUTO_EXPOSURE +} + +void SPD_SetExposureBuffer(FfxFloat32x2 value) +{ +#if defined FSR2_BIND_UAV_AUTO_EXPOSURE +#if FFXM_SHADER_PLATFORM_GLES_3_2 + rw_auto_exposure[FfxInt32x2(0, 0)] = FfxInt32x4(value, 0.0f, 0.0f); +#else + rw_auto_exposure[FfxInt32x2(0, 0)] = value; +#endif +#endif // #if defined FSR2_BIND_UAV_AUTO_EXPOSURE +} + +FfxFloat32x4 SPD_LoadMipmap5(FfxInt32x2 iPxPos) +{ +#if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 + return FfxFloat32x4(rw_img_mip_5[iPxPos], 0, 0, 0); +#else + return FfxFloat32x4(0.f, 0.f, 0.f, 0.f); +#endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 +} + +void SPD_SetMipmap(FfxInt32x2 iPxPos, FfxUInt32 slice, FfxFloat32 value) +{ + switch (slice) + { + case FFXM_FSR2_SHADING_CHANGE_MIP_LEVEL: +#if defined FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE + rw_img_mip_shading_change[iPxPos] = value; +#endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE + break; + case 5: +#if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 + rw_img_mip_5[iPxPos] = value; +#endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 + break; + default: + + // avoid flattened side effect +#if defined(FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE) + rw_img_mip_shading_change[iPxPos] = rw_img_mip_shading_change[iPxPos]; +#elif defined(FSR2_BIND_UAV_EXPOSURE_MIP_5) + rw_img_mip_5[iPxPos] = rw_img_mip_5[iPxPos]; +#endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 + break; + } +} + +void SPD_IncreaseAtomicCounter(inout FfxUInt32 spdCounter) +{ +#if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC + InterlockedAdd(rw_spd_global_atomic[FfxInt32x2(0, 0)], 1, spdCounter); +#endif // #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC +} + +void SPD_ResetAtomicCounter() +{ +#if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC + rw_spd_global_atomic[FfxInt32x2(0, 0)] = 0; +#endif // #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC +} + +#endif // #if defined(FFXM_GPU) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_callbacks_hlsl.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_callbacks_hlsl.h.meta new file mode 100644 index 0000000..fc47d4c --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_callbacks_hlsl.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 2dc46407945236c43a0c460b616f4204 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h new file mode 100644 index 0000000..4a13e6f --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h @@ -0,0 +1,595 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#if !defined(FFXM_FSR2_COMMON_H) +#define FFXM_FSR2_COMMON_H + +#if defined(FFXM_CPU) || defined(FFXM_GPU) +//Locks +#define LOCK_LIFETIME_REMAINING 0 +#define LOCK_TEMPORAL_LUMA 1 +#endif // #if defined(FFXM_CPU) || defined(FFXM_GPU) + +#if defined(FFXM_GPU) +FFXM_STATIC const FfxFloat32 FSR2_FP16_MIN = 6.10e-05f; +FFXM_STATIC const FfxFloat32 FSR2_FP16_MAX = 65504.0f; +FFXM_STATIC const FfxFloat32 FSR2_EPSILON = 1e-03f; +FFXM_STATIC const FfxFloat32 FSR2_TONEMAP_EPSILON = 1.0f / FSR2_FP16_MAX; +FFXM_STATIC const FfxFloat32 FSR2_FLT_MAX = 3.402823466e+38f; +FFXM_STATIC const FfxFloat32 FSR2_FLT_MIN = 1.175494351e-38f; + +// treat vector truncation warnings as errors +#pragma warning(error: 3206) + +// suppress warnings +#pragma warning(disable: 3205) // conversion from larger type to smaller +#pragma warning(disable: 3571) // in ffxPow(f, e), f could be negative + +// Reconstructed depth usage +FFXM_STATIC const FfxFloat32 fReconstructedDepthBilinearWeightThreshold = 0.01f; + +// Accumulation +#if !FFXM_SHADER_QUALITY_OPT_UPSCALING_LANCZOS_5TAP +FFXM_STATIC const FfxFloat32 fUpsampleLanczosWeightScale = 1.0f / 9.0f; +#else +FFXM_STATIC const FfxFloat32 fUpsampleLanczosWeightScale = 1.0f / 5.0f; +#endif +FFXM_STATIC const FfxFloat32 fMaxAccumulationLanczosWeight = 1.0f; +FFXM_STATIC const FfxFloat32 fAverageLanczosWeightPerFrame = 0.74f * fUpsampleLanczosWeightScale; // Average lanczos weight for jitter accumulated samples +FFXM_STATIC const FfxFloat32 fAccumulationMaxOnMotion = 3.0f * fUpsampleLanczosWeightScale; + +// Auto exposure +FFXM_STATIC const FfxFloat32 resetAutoExposureAverageSmoothing = 1e8f; + +// Optimizations defines +#ifndef FFXM_OPT_USE_GATHER_OPS +#define FFXM_OPT_USE_GATHER_OPS 0 +#endif + +struct AccumulationPassCommonParams +{ + FfxInt32x2 iPxHrPos; + FfxFloat32x2 fHrUv; + FfxFloat32x2 fLrUv_HwSampler; + FfxFloat32x2 fMotionVector; + FfxFloat32x2 fReprojectedHrUv; + FfxFloat32 fHrVelocity; + FFXM_MIN16_F fDepthClipFactor; + FFXM_MIN16_F fDilatedReactiveFactor; + FFXM_MIN16_F fAccumulationMask; + + //FfxBoolean bIsResetFrame; + FfxBoolean bIsExistingSample; + FfxBoolean bIsNewSample; +}; + +struct LockState +{ + FfxBoolean NewLock; //Set for both unique new and re-locked new + FfxBoolean WasLockedPrevFrame; //Set to identify if the pixel was already locked (relock) +}; + +void InitializeNewLockSample(FFXM_PARAMETER_OUT FfxFloat32x2 fLockStatus) +{ + fLockStatus = FfxFloat32x2(0, 0); +} + +#if FFXM_HALF +void InitializeNewLockSample(FFXM_PARAMETER_OUT FFXM_MIN16_F2 fLockStatus) +{ + fLockStatus = FFXM_MIN16_F2(0, 0); +} +#endif + + +void KillLock(FFXM_PARAMETER_INOUT FfxFloat32x2 fLockStatus) +{ + fLockStatus[LOCK_LIFETIME_REMAINING] = 0; +} + +#if FFXM_HALF +void KillLock(FFXM_PARAMETER_INOUT FFXM_MIN16_F2 fLockStatus) +{ + fLockStatus[LOCK_LIFETIME_REMAINING] = FFXM_MIN16_F(0); +} +#endif + +struct RectificationBox +{ + FfxFloat32x3 boxCenter; + FfxFloat32x3 boxVec; + FfxFloat32x3 aabbMin; + FfxFloat32x3 aabbMax; + FfxFloat32 fBoxCenterWeight; +}; +#if FFXM_HALF +struct RectificationBoxMin16 +{ + FFXM_MIN16_F3 boxCenter; + FFXM_MIN16_F3 boxVec; + FFXM_MIN16_F3 aabbMin; + FFXM_MIN16_F3 aabbMax; + FFXM_MIN16_F fBoxCenterWeight; +}; +#endif + +void RectificationBoxReset(FFXM_PARAMETER_INOUT RectificationBox rectificationBox) +{ + rectificationBox.fBoxCenterWeight = FfxFloat32(0); + + rectificationBox.boxCenter = FfxFloat32x3(0, 0, 0); + rectificationBox.boxVec = FfxFloat32x3(0, 0, 0); + rectificationBox.aabbMin = FfxFloat32x3(FSR2_FLT_MAX, FSR2_FLT_MAX, FSR2_FLT_MAX); + rectificationBox.aabbMax = -FfxFloat32x3(FSR2_FLT_MAX, FSR2_FLT_MAX, FSR2_FLT_MAX); +} +#if FFXM_HALF +void RectificationBoxReset(FFXM_PARAMETER_INOUT RectificationBoxMin16 rectificationBox) +{ + rectificationBox.fBoxCenterWeight = FFXM_MIN16_F(0); + + rectificationBox.boxCenter = FFXM_MIN16_F3(0, 0, 0); + rectificationBox.boxVec = FFXM_MIN16_F3(0, 0, 0); + rectificationBox.aabbMin = FFXM_MIN16_F3(FSR2_FP16_MAX, FSR2_FP16_MAX, FSR2_FP16_MAX); + rectificationBox.aabbMax = -FFXM_MIN16_F3(FSR2_FP16_MAX, FSR2_FP16_MAX, FSR2_FP16_MAX); +} +#endif + +void RectificationBoxAddInitialSample(FFXM_PARAMETER_INOUT RectificationBox rectificationBox, const FfxFloat32x3 colorSample, const FfxFloat32 fSampleWeight) +{ + rectificationBox.aabbMin = colorSample; + rectificationBox.aabbMax = colorSample; + + FfxFloat32x3 weightedSample = colorSample * fSampleWeight; + rectificationBox.boxCenter = weightedSample; + rectificationBox.boxVec = colorSample * weightedSample; + rectificationBox.fBoxCenterWeight = fSampleWeight; +} + +void RectificationBoxAddSample(FfxBoolean bInitialSample, FFXM_PARAMETER_INOUT RectificationBox rectificationBox, const FfxFloat32x3 colorSample, const FfxFloat32 fSampleWeight) +{ + if (bInitialSample) { + RectificationBoxAddInitialSample(rectificationBox, colorSample, fSampleWeight); + } else { + rectificationBox.aabbMin = ffxMin(rectificationBox.aabbMin, colorSample); + rectificationBox.aabbMax = ffxMax(rectificationBox.aabbMax, colorSample); + + FfxFloat32x3 weightedSample = colorSample * fSampleWeight; + rectificationBox.boxCenter += weightedSample; + rectificationBox.boxVec += colorSample * weightedSample; + rectificationBox.fBoxCenterWeight += fSampleWeight; + } +} +#if FFXM_HALF +void RectificationBoxAddInitialSample(FFXM_PARAMETER_INOUT RectificationBoxMin16 rectificationBox, const FFXM_MIN16_F3 colorSample, const FFXM_MIN16_F fSampleWeight) +{ + rectificationBox.aabbMin = colorSample; + rectificationBox.aabbMax = colorSample; + + FFXM_MIN16_F3 weightedSample = colorSample * fSampleWeight; + rectificationBox.boxCenter = weightedSample; + rectificationBox.boxVec = colorSample * weightedSample; + rectificationBox.fBoxCenterWeight = fSampleWeight; +} + +void RectificationBoxAddSample(FfxBoolean bInitialSample, FFXM_PARAMETER_INOUT RectificationBoxMin16 rectificationBox, const FFXM_MIN16_F3 colorSample, const FFXM_MIN16_F fSampleWeight) +{ + if (bInitialSample) { + RectificationBoxAddInitialSample(rectificationBox, colorSample, fSampleWeight); + } else { + rectificationBox.aabbMin = ffxMin(rectificationBox.aabbMin, colorSample); + rectificationBox.aabbMax = ffxMax(rectificationBox.aabbMax, colorSample); + + FFXM_MIN16_F3 weightedSample = colorSample * fSampleWeight; + rectificationBox.boxCenter += weightedSample; + rectificationBox.boxVec += colorSample * weightedSample; + rectificationBox.fBoxCenterWeight += fSampleWeight; + } +} +#endif + +void RectificationBoxComputeVarianceBoxData(FFXM_PARAMETER_INOUT RectificationBox rectificationBox) +{ + rectificationBox.fBoxCenterWeight = (abs(rectificationBox.fBoxCenterWeight) > FfxFloat32(FSR2_EPSILON) ? rectificationBox.fBoxCenterWeight : FfxFloat32(1.f)); + rectificationBox.boxCenter /= rectificationBox.fBoxCenterWeight; + rectificationBox.boxVec /= rectificationBox.fBoxCenterWeight; + FfxFloat32x3 stdDev = sqrt(abs(rectificationBox.boxVec - rectificationBox.boxCenter * rectificationBox.boxCenter)); + rectificationBox.boxVec = stdDev; +} +#if FFXM_HALF +void RectificationBoxComputeVarianceBoxData(FFXM_PARAMETER_INOUT RectificationBoxMin16 rectificationBox) +{ + rectificationBox.fBoxCenterWeight = (abs(rectificationBox.fBoxCenterWeight) > FFXM_MIN16_F(FSR2_EPSILON) ? rectificationBox.fBoxCenterWeight : FFXM_MIN16_F(1.f)); + rectificationBox.boxCenter /= rectificationBox.fBoxCenterWeight; + rectificationBox.boxVec /= rectificationBox.fBoxCenterWeight; + FFXM_MIN16_F3 stdDev = sqrt(abs(rectificationBox.boxVec - rectificationBox.boxCenter * rectificationBox.boxCenter)); + rectificationBox.boxVec = stdDev; +} +#endif + +FfxFloat32x3 SafeRcp3(FfxFloat32x3 v) +{ + return (all(FFXM_NOT_EQUAL(v, FfxFloat32x3(0, 0, 0)))) ? (FfxFloat32x3(1, 1, 1) / v) : FfxFloat32x3(0, 0, 0); +} +#if FFXM_HALF +FFXM_MIN16_F3 SafeRcp3(FFXM_MIN16_F3 v) +{ + return (all(FFXM_NOT_EQUAL(v, FFXM_MIN16_F3(0, 0, 0)))) ? (FFXM_MIN16_F3(1, 1, 1) / v) : FFXM_MIN16_F3(0, 0, 0); +} +#endif + +FfxFloat32 MinDividedByMax(const FfxFloat32 v0, const FfxFloat32 v1) +{ + const FfxFloat32 m = ffxMax(v0, v1); + return m != 0 ? ffxMin(v0, v1) / m : 0; +} + +#if FFXM_HALF +FFXM_MIN16_F MinDividedByMax(const FFXM_MIN16_F v0, const FFXM_MIN16_F v1) +{ + const FFXM_MIN16_F m = ffxMax(v0, v1); + return m != FFXM_MIN16_F(0) ? ffxMin(v0, v1) / m : FFXM_MIN16_F(0); +} +#endif + +FfxFloat32x3 YCoCgToRGB(FfxFloat32x3 fYCoCg) +{ + FfxFloat32x3 fRgb; + + fRgb = FfxFloat32x3( + fYCoCg.x + fYCoCg.y - fYCoCg.z, + fYCoCg.x + fYCoCg.z, + fYCoCg.x - fYCoCg.y - fYCoCg.z); + + return fRgb; +} +#if FFXM_HALF +FFXM_MIN16_F3 YCoCgToRGB(FFXM_MIN16_F3 fYCoCg) +{ + FFXM_MIN16_F3 fRgb; + + fRgb = FFXM_MIN16_F3( + fYCoCg.x + fYCoCg.y - fYCoCg.z, + fYCoCg.x + fYCoCg.z, + fYCoCg.x - fYCoCg.y - fYCoCg.z); + + return fRgb; +} +#endif + +FfxFloat32x3 RGBToYCoCg(FfxFloat32x3 fRgb) +{ + FfxFloat32x3 fYCoCg; + + fYCoCg = FfxFloat32x3( + 0.25f * fRgb.r + 0.5f * fRgb.g + 0.25f * fRgb.b, + 0.5f * fRgb.r - 0.5f * fRgb.b, + -0.25f * fRgb.r + 0.5f * fRgb.g - 0.25f * fRgb.b); + + return fYCoCg; +} +#if FFXM_HALF +FFXM_MIN16_F3 RGBToYCoCg(FFXM_MIN16_F3 fRgb) +{ + FFXM_MIN16_F3 fYCoCg; + + fYCoCg = FFXM_MIN16_F3( + 0.25 * fRgb.r + 0.5 * fRgb.g + 0.25 * fRgb.b, + 0.5 * fRgb.r - 0.5 * fRgb.b, + -0.25 * fRgb.r + 0.5 * fRgb.g - 0.25 * fRgb.b); + + return fYCoCg; +} +#endif + +FfxFloat32 RGBToLuma(FfxFloat32x3 fLinearRgb) +{ + return dot(fLinearRgb, FfxFloat32x3(0.2126f, 0.7152f, 0.0722f)); +} +#if FFXM_HALF +FFXM_MIN16_F RGBToLuma(FFXM_MIN16_F3 fLinearRgb) +{ + return dot(fLinearRgb, FFXM_MIN16_F3(0.2126f, 0.7152f, 0.0722f)); +} +#endif + +FfxFloat32 RGBToPerceivedLuma(FfxFloat32x3 fLinearRgb) +{ + FfxFloat32 fLuminance = RGBToLuma(fLinearRgb); + + FfxFloat32 fPercievedLuminance = 0; + if (fLuminance <= 216.0f / 24389.0f) { + fPercievedLuminance = fLuminance * (24389.0f / 27.0f); + } + else { + fPercievedLuminance = ffxPow(fLuminance, 1.0f / 3.0f) * 116.0f - 16.0f; + } + + return fPercievedLuminance * 0.01f; +} +#if FFXM_HALF +FFXM_MIN16_F RGBToPerceivedLuma(FFXM_MIN16_F3 fLinearRgb) +{ + FFXM_MIN16_F fLuminance = RGBToLuma(fLinearRgb); + + FFXM_MIN16_F fPercievedLuminance = FFXM_MIN16_F(0); + if (fLuminance <= FFXM_MIN16_F(216.0f / 24389.0f)) { + fPercievedLuminance = fLuminance * FFXM_MIN16_F(24389.0f / 27.0f); + } + else { + fPercievedLuminance = ffxPow(fLuminance, FFXM_MIN16_F(1.0f / 3.0f)) * FFXM_MIN16_F(116.0f) - FFXM_MIN16_F(16.0f); + } + + return fPercievedLuminance * FFXM_MIN16_F(0.01f); +} +#endif + +FfxFloat32x3 Tonemap(FfxFloat32x3 fRgb) +{ + return fRgb / (ffxMax(ffxMax(0.f, fRgb.r), ffxMax(fRgb.g, fRgb.b)) + 1.f).xxx; +} + +FfxFloat32x3 InverseTonemap(FfxFloat32x3 fRgb) +{ + return fRgb / ffxMax(FSR2_TONEMAP_EPSILON, 1.f - ffxMax(fRgb.r, ffxMax(fRgb.g, fRgb.b))).xxx; +} + +#if FFXM_HALF +FFXM_MIN16_F3 Tonemap(FFXM_MIN16_F3 fRgb) +{ + return fRgb / (ffxMax(ffxMax(FFXM_MIN16_F(0.f), fRgb.r), ffxMax(fRgb.g, fRgb.b)) + FFXM_MIN16_F(1.f)).xxx; +} + +FFXM_MIN16_F3 InverseTonemap(FFXM_MIN16_F3 fRgb) +{ + return fRgb / ffxMax(FFXM_MIN16_F(FSR2_TONEMAP_EPSILON), FFXM_MIN16_F(1.f) - ffxMax(fRgb.r, ffxMax(fRgb.g, fRgb.b))).xxx; +} +#endif + +FfxInt32x2 ClampLoad(FfxInt32x2 iPxSample, FfxInt32x2 iPxOffset, FfxInt32x2 iTextureSize) +{ + FfxInt32x2 result = iPxSample + iPxOffset; + result.x = (iPxOffset.x < 0) ? ffxMax(result.x, 0) : result.x; + result.x = (iPxOffset.x > 0) ? ffxMin(result.x, iTextureSize.x - 1) : result.x; + result.y = (iPxOffset.y < 0) ? ffxMax(result.y, 0) : result.y; + result.y = (iPxOffset.y > 0) ? ffxMin(result.y, iTextureSize.y - 1) : result.y; + return result; + + // return ffxMed3(iPxSample + iPxOffset, FfxInt32x2(0, 0), iTextureSize - FfxInt32x2(1, 1)); +} +#if FFXM_HALF +FFXM_MIN16_I2 ClampLoad(FFXM_MIN16_I2 iPxSample, FFXM_MIN16_I2 iPxOffset, FFXM_MIN16_I2 iTextureSize) +{ + FFXM_MIN16_I2 result = iPxSample + iPxOffset; + result.x = (iPxOffset.x < 0) ? ffxMax(result.x, FFXM_MIN16_I(0)) : result.x; + result.x = (iPxOffset.x > 0) ? ffxMin(result.x, iTextureSize.x - FFXM_MIN16_I(1)) : result.x; + result.y = (iPxOffset.y < 0) ? ffxMax(result.y, FFXM_MIN16_I(0)) : result.y; + result.y = (iPxOffset.y > 0) ? ffxMin(result.y, iTextureSize.y - FFXM_MIN16_I(1)) : result.y; + return result; + + // return ffxMed3Half(iPxSample + iPxOffset, FFXM_MIN16_I2(0, 0), iTextureSize - FFXM_MIN16_I2(1, 1)); +} +#endif + +FfxFloat32x2 ClampUv(FfxFloat32x2 fUv, FfxInt32x2 iTextureSize, FfxInt32x2 iResourceSize) +{ + const FfxFloat32x2 fSampleLocation = fUv * iTextureSize; + const FfxFloat32x2 fClampedLocation = ffxMax(FfxFloat32x2(0.5f, 0.5f), ffxMin(fSampleLocation, FfxFloat32x2(iTextureSize) - FfxFloat32x2(0.5f, 0.5f))); + const FfxFloat32x2 fClampedUv = fClampedLocation / FfxFloat32x2(iResourceSize); + + return fClampedUv; +} + +FfxBoolean IsOnScreen(FfxInt32x2 pos, FfxInt32x2 size) +{ + return all(FFXM_LESS_THAN(FfxUInt32x2(pos), FfxUInt32x2(size))); +} +#if FFXM_HALF +FfxBoolean IsOnScreen(FFXM_MIN16_I2 pos, FFXM_MIN16_I2 size) +{ + return all(FFXM_LESS_THAN(FFXM_MIN16_U2(pos), FFXM_MIN16_U2(size))); +} +#endif + +FfxFloat32 ComputeAutoExposureFromLavg(FfxFloat32 Lavg) +{ + Lavg = exp(Lavg); + + const FfxFloat32 S = 100.0f; //ISO arithmetic speed + const FfxFloat32 K = 12.5f; + FfxFloat32 ExposureISO100 = log2((Lavg * S) / K); + + const FfxFloat32 q = 0.65f; + FfxFloat32 Lmax = (78.0f / (q * S)) * ffxPow(2.0f, ExposureISO100); + + return 1 / Lmax; +} +#if FFXM_HALF +FFXM_MIN16_F ComputeAutoExposureFromLavg(FFXM_MIN16_F Lavg) +{ + Lavg = exp(Lavg); + + const FFXM_MIN16_F S = FFXM_MIN16_F(100.0f); //ISO arithmetic speed + const FFXM_MIN16_F K = FFXM_MIN16_F(12.5f); + const FFXM_MIN16_F ExposureISO100 = log2((Lavg * S) / K); + + const FFXM_MIN16_F q = FFXM_MIN16_F(0.65f); + const FFXM_MIN16_F Lmax = (FFXM_MIN16_F(78.0f) / (q * S)) * ffxPow(FFXM_MIN16_F(2.0f), ExposureISO100); + + return FFXM_MIN16_F(1) / Lmax; +} +#endif + +FfxInt32x2 ComputeHrPosFromLrPos(FfxInt32x2 iPxLrPos) +{ + FfxFloat32x2 fSrcJitteredPos = FfxFloat32x2(iPxLrPos) + 0.5f - Jitter(); + FfxFloat32x2 fLrPosInHr = (fSrcJitteredPos / RenderSize()) * DisplaySize(); + FfxInt32x2 iPxHrPos = FfxInt32x2(floor(fLrPosInHr)); + return iPxHrPos; +} +#if FFXM_HALF +FFXM_MIN16_I2 ComputeHrPosFromLrPos(FFXM_MIN16_I2 iPxLrPos) +{ + FFXM_MIN16_F2 fSrcJitteredPos = FFXM_MIN16_F2(iPxLrPos) + FFXM_MIN16_F(0.5f) - FFXM_MIN16_F2(Jitter()); + FFXM_MIN16_F2 fLrPosInHr = (fSrcJitteredPos / FFXM_MIN16_F2(RenderSize())) * FFXM_MIN16_F2(DisplaySize()); + FFXM_MIN16_I2 iPxHrPos = FFXM_MIN16_I2(floor(fLrPosInHr)); + return iPxHrPos; +} +#endif + +FfxFloat32x2 ComputeNdc(FfxFloat32x2 fPxPos, FfxInt32x2 iSize) +{ + return fPxPos / FfxFloat32x2(iSize) * FfxFloat32x2(2.0f, -2.0f) + FfxFloat32x2(-1.0f, 1.0f); +} + +FfxFloat32 GetViewSpaceDepth(FfxFloat32 fDeviceDepth) +{ + const FfxFloat32x4 fDeviceToViewDepth = DeviceToViewSpaceTransformFactors(); + + // fDeviceToViewDepth details found in ffx_fsr2.cpp + return (fDeviceToViewDepth[1] / (fDeviceDepth - fDeviceToViewDepth[0])); +} + +FfxFloat32 GetViewSpaceDepthInMeters(FfxFloat32 fDeviceDepth) +{ + return GetViewSpaceDepth(fDeviceDepth) * ViewSpaceToMetersFactor(); +} + +FfxFloat32x3 GetViewSpacePosition(FfxInt32x2 iViewportPos, FfxInt32x2 iViewportSize, FfxFloat32 fDeviceDepth) +{ + const FfxFloat32x4 fDeviceToViewDepth = DeviceToViewSpaceTransformFactors(); + + const FfxFloat32 Z = GetViewSpaceDepth(fDeviceDepth); + + const FfxFloat32x2 fNdcPos = ComputeNdc(iViewportPos, iViewportSize); + const FfxFloat32 X = fDeviceToViewDepth[2] * fNdcPos.x * Z; + const FfxFloat32 Y = fDeviceToViewDepth[3] * fNdcPos.y * Z; + + return FfxFloat32x3(X, Y, Z); +} + +FfxFloat32x3 GetViewSpacePositionInMeters(FfxInt32x2 iViewportPos, FfxInt32x2 iViewportSize, FfxFloat32 fDeviceDepth) +{ + return GetViewSpacePosition(iViewportPos, iViewportSize, fDeviceDepth) * ViewSpaceToMetersFactor(); +} + +FfxFloat32 GetMaxDistanceInMeters() +{ +#if FFXM_FSR2_OPTION_INVERTED_DEPTH + return GetViewSpaceDepth(0.0f) * ViewSpaceToMetersFactor(); +#else + return GetViewSpaceDepth(1.0f) * ViewSpaceToMetersFactor(); +#endif +} + +FfxFloat32x3 PrepareRgb(FfxFloat32x3 fRgb, FfxFloat32 fExposure, FfxFloat32 fPreExposure) +{ + fRgb /= fPreExposure; + fRgb *= fExposure; + + fRgb = clamp(fRgb, 0.0f, FSR2_FP16_MAX); + + return fRgb; +} + +FfxFloat32x3 UnprepareRgb(FfxFloat32x3 fRgb, FfxFloat32 fExposure) +{ + fRgb /= fExposure; + fRgb *= PreExposure(); + + return fRgb; +} + +#if FFXM_HALF +FfxFloat16x3 PrepareRgb(FfxFloat16x3 fRgb, FfxFloat16 fExposure, FfxFloat16 fPreExposure) +{ + fRgb /= fPreExposure; + fRgb *= fExposure; + + fRgb = clamp(fRgb, FfxFloat16(0.0f), FfxFloat16(FSR2_FP16_MAX)); + + return fRgb; +} + +FfxFloat16x3 UnprepareRgb(FfxFloat16x3 fRgb, FfxFloat16 fExposure) +{ + fRgb /= fExposure; + fRgb *= FfxFloat16(PreExposure()); + + return fRgb; +} +#endif + +struct BilinearSamplingData +{ + FfxInt32x2 iOffsets[4]; + FfxFloat32 fWeights[4]; + FfxInt32x2 iBasePos; + FfxFloat32x2 fQuadCenterUv; +}; + +BilinearSamplingData GetBilinearSamplingData(FfxFloat32x2 fUv, FfxInt32x2 iSize) +{ + BilinearSamplingData data; + + FfxFloat32x2 fPxSample = (fUv * iSize) - FfxFloat32x2(0.5f, 0.5f); + data.iBasePos = FfxInt32x2(floor(fPxSample)); + data.fQuadCenterUv = fPxSample / FfxFloat32x2(iSize); + FfxFloat32x2 fPxFrac = ffxFract(fPxSample); + + data.iOffsets[0] = FfxInt32x2(0, 0); + data.iOffsets[1] = FfxInt32x2(1, 0); + data.iOffsets[2] = FfxInt32x2(0, 1); + data.iOffsets[3] = FfxInt32x2(1, 1); + + data.fWeights[0] = (1 - fPxFrac.x) * (1 - fPxFrac.y); + data.fWeights[1] = (fPxFrac.x) * (1 - fPxFrac.y); + data.fWeights[2] = (1 - fPxFrac.x) * (fPxFrac.y); + data.fWeights[3] = (fPxFrac.x) * (fPxFrac.y); + + return data; +} + +struct PlaneData +{ + FfxFloat32x3 fNormal; + FfxFloat32 fDistanceFromOrigin; +}; + +PlaneData GetPlaneFromPoints(FfxFloat32x3 fP0, FfxFloat32x3 fP1, FfxFloat32x3 fP2) +{ + PlaneData plane; + + FfxFloat32x3 v0 = fP0 - fP1; + FfxFloat32x3 v1 = fP0 - fP2; + plane.fNormal = normalize(cross(v0, v1)); + plane.fDistanceFromOrigin = -dot(fP0, plane.fNormal); + + return plane; +} + +FfxFloat32 PointToPlaneDistance(PlaneData plane, FfxFloat32x3 fPoint) +{ + return abs(dot(plane.fNormal, fPoint) + plane.fDistanceFromOrigin); +} + +#endif // #if defined(FFXM_GPU) + +#endif //!defined(FFXM_FSR2_COMMON_H) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h.meta new file mode 100644 index 0000000..723aa76 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: ecee34f12256cf741857fcb5696b0996 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_compute_luminance_pyramid.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_compute_luminance_pyramid.h new file mode 100644 index 0000000..ffef258 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_compute_luminance_pyramid.h @@ -0,0 +1,211 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +FFXM_GROUPSHARED FfxUInt32 spdCounter; + +void SpdIncreaseAtomicCounter(FfxUInt32 slice) +{ + SPD_IncreaseAtomicCounter(spdCounter); +} + +FfxUInt32 SpdGetAtomicCounter() +{ + return spdCounter; +} + +void SpdResetAtomicCounter(FfxUInt32 slice) +{ + SPD_ResetAtomicCounter(); +} + +#ifndef SPD_PACKED_ONLY +FFXM_GROUPSHARED FfxFloat32 spdIntermediateR[16][16]; +FFXM_GROUPSHARED FfxFloat32 spdIntermediateG[16][16]; +FFXM_GROUPSHARED FfxFloat32 spdIntermediateB[16][16]; +FFXM_GROUPSHARED FfxFloat32 spdIntermediateA[16][16]; + +FfxFloat32x4 SpdLoadSourceImage(FfxFloat32x2 tex, FfxUInt32 slice) +{ + FfxFloat32x2 fUv = (tex + 0.5f + Jitter()) / RenderSize(); + fUv = ClampUv(fUv, RenderSize(), InputColorResourceDimensions()); + FfxFloat32x3 fRgb = SampleInputColor(fUv); + + fRgb /= PreExposure(); + + //compute log luma + const FfxFloat32 fLogLuma = log(ffxMax(FSR2_EPSILON, RGBToLuma(fRgb))); + + // Make sure out of screen pixels contribute no value to the end result + const FfxFloat32 result = all(FFXM_LESS_THAN(tex, RenderSize())) ? fLogLuma : 0.0f; + + return FfxFloat32x4(result, 0, 0, 0); +} + +FfxFloat32x4 SpdLoad(FfxInt32x2 tex, FfxUInt32 slice) +{ + return SPD_LoadMipmap5(tex); +} + +void SpdStore(FfxInt32x2 pix, FfxFloat32x4 outValue, FfxUInt32 index, FfxUInt32 slice) +{ + if (index == LumaMipLevelToUse() || index == 5) + { + SPD_SetMipmap(pix, index, outValue.r); + } + + if (index == MipCount() - 1) { //accumulate on 1x1 level + + if (all(FFXM_EQUAL(pix, FfxInt32x2(0, 0)))) + { + FfxFloat32 prev = SPD_LoadExposureBuffer().y; + FfxFloat32 result = outValue.r; + + if (prev < resetAutoExposureAverageSmoothing) // Compare Lavg, so small or negative values + { + FfxFloat32 rate = 1.0f; + result = prev + (result - prev) * (1 - exp(-DeltaTime() * rate)); + } + FfxFloat32x2 spdOutput = FfxFloat32x2(ComputeAutoExposureFromLavg(result), result); + SPD_SetExposureBuffer(spdOutput); + } + } +} + +FfxFloat32x4 SpdLoadIntermediate(FfxUInt32 x, FfxUInt32 y) +{ + return FfxFloat32x4( + spdIntermediateR[x][y], + spdIntermediateG[x][y], + spdIntermediateB[x][y], + spdIntermediateA[x][y]); +} +void SpdStoreIntermediate(FfxUInt32 x, FfxUInt32 y, FfxFloat32x4 value) +{ + spdIntermediateR[x][y] = value.x; + spdIntermediateG[x][y] = value.y; + spdIntermediateB[x][y] = value.z; + spdIntermediateA[x][y] = value.w; +} +FfxFloat32x4 SpdReduce4(FfxFloat32x4 v0, FfxFloat32x4 v1, FfxFloat32x4 v2, FfxFloat32x4 v3) +{ + return (v0 + v1 + v2 + v3) * 0.25f; +} +#endif + +// define fetch and store functions Packed +#if FFXM_HALF + +FFXM_GROUPSHARED FfxFloat16x2 spdIntermediateRG[16][16]; +FFXM_GROUPSHARED FfxFloat16x2 spdIntermediateBA[16][16]; + +FfxFloat16x4 SpdLoadSourceImageH(FfxFloat32x2 tex, FfxUInt32 slice) +{ + FfxFloat16x2 fUv = FfxFloat16x2((tex + 0.5f + Jitter()) / RenderSize()); + fUv = FfxFloat16x2(ClampUv(fUv, RenderSize(), InputColorResourceDimensions())); + FfxFloat16x3 fRgb = FfxFloat16x3(SampleInputColor(fUv)); + + fRgb /= FfxFloat16(PreExposure()); + + //compute log luma + const FfxFloat16 fLogLuma = FfxFloat16(log(ffxMax(FSR2_EPSILON, RGBToLuma(fRgb)))); + + // Make sure out of screen pixels contribute no value to the end result + const FfxFloat16 result = all(FFXM_LESS_THAN(tex, RenderSize())) ? fLogLuma : FfxFloat16(0.0f); + + return FfxFloat16x4(result, 0, 0, 0); +} + +FfxFloat16x4 SpdLoadH(FfxInt32x2 p, FfxUInt32 slice) +{ + return FfxFloat16x4(SPD_LoadMipmap5(p)); +} + +void SpdStoreH(FfxInt32x2 pix, FfxFloat16x4 outValue, FfxUInt32 index, FfxUInt32 slice) +{ + if (index == LumaMipLevelToUse() || index == 5) + { + SPD_SetMipmap(pix, index, outValue.r); + } + + if (index == MipCount() - 1) { //accumulate on 1x1 level + + if (all(FFXM_EQUAL(pix, FfxInt16x2(0, 0)))) + { + FfxFloat16 result = outValue.r; + + // If running with GLES 3.2, remove the smooth exposure transition. +#if !FFXM_SHADER_PLATFORM_GLES_3_2 + FfxFloat16 prev = FfxFloat16(SPD_LoadExposureBuffer().y); + if (prev < resetAutoExposureAverageSmoothing) // Compare Lavg, so small or negative values + { + FfxFloat16 rate = FfxFloat16(1.0f); + result = FfxFloat16(prev + (result - prev) * (1 - exp(-DeltaTime() * rate))); + } +#endif + FfxFloat16x2 spdOutput = FfxFloat16x2(ComputeAutoExposureFromLavg(result), result); + SPD_SetExposureBuffer(spdOutput); + } + } +} + +FfxFloat16x4 SpdLoadIntermediateH(FfxUInt32 x, FfxUInt32 y) +{ + return FfxFloat16x4( + spdIntermediateRG[x][y].x, + spdIntermediateRG[x][y].y, + spdIntermediateBA[x][y].x, + spdIntermediateBA[x][y].y); +} + +void SpdStoreIntermediateH(FfxUInt32 x, FfxUInt32 y, FfxFloat16x4 value) +{ + spdIntermediateRG[x][y] = value.xy; + spdIntermediateBA[x][y] = value.zw; +} + +FfxFloat16x4 SpdReduce4H(FfxFloat16x4 v0, FfxFloat16x4 v1, FfxFloat16x4 v2, FfxFloat16x4 v3) +{ + return (v0 + v1 + v2 + v3) * FfxFloat16(0.25); +} +#endif + +#include "./spd/ffxm_spd.h" + +void ComputeAutoExposure(FfxUInt32x3 WorkGroupId, FfxUInt32 LocalThreadIndex) +{ +#if FFXM_HALF + SpdDownsampleH( + FfxUInt32x2(WorkGroupId.xy), + FfxUInt32(LocalThreadIndex), + FfxUInt32(MipCount()), + FfxUInt32(NumWorkGroups()), + FfxUInt32(WorkGroupId.z), + FfxUInt32x2(WorkGroupOffset())); +#else + SpdDownsample( + FfxUInt32x2(WorkGroupId.xy), + FfxUInt32(LocalThreadIndex), + FfxUInt32(MipCount()), + FfxUInt32(NumWorkGroups()), + FfxUInt32(WorkGroupId.z), + FfxUInt32x2(WorkGroupOffset())); +#endif +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_compute_luminance_pyramid.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_compute_luminance_pyramid.h.meta new file mode 100644 index 0000000..7ea9408 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_compute_luminance_pyramid.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 53658e1078243f24aa98041b58bf721d +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h new file mode 100644 index 0000000..2ef4152 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h @@ -0,0 +1,349 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_DEPTH_CLIP_H +#define FFXM_FSR2_DEPTH_CLIP_H + +// Can casue some temporal instability +#define OPT_PREFETCH_PREVDEPTH_WITH_GATHER 0 + +struct DepthClipOutputs +{ + FfxFloat32x2 fDilatedReactiveMasks; + FfxFloat32x4 fTonemapped; +}; + +FFXM_STATIC const FfxFloat32 DepthClipBaseScale = 4.0f; + +FfxFloat32 ComputeDepthClip(FfxFloat32x2 fUvSample, FfxFloat32 fCurrentDepthSample) +{ + FfxFloat32 fCurrentDepthViewSpace = GetViewSpaceDepth(fCurrentDepthSample); + BilinearSamplingData bilinearInfo = GetBilinearSamplingData(fUvSample, RenderSize()); + + FfxFloat32 fDilatedSum = 0.0f; + FfxFloat32 fDepth = 0.0f; + FfxFloat32 fWeightSum = 0.0f; + + +#if OPT_PREFETCH_PREVDEPTH_WITH_GATHER + FfxFloat32 fDepthSamples[4]; + GatherReconstructedPreviousDepthRQuad(bilinearInfo.fQuadCenterUv, + fDepthSamples[0], fDepthSamples[1], fDepthSamples[2], fDepthSamples[3]); +#endif + + for (FfxInt32 iSampleIndex = 0; iSampleIndex < 4; iSampleIndex++) + { + const FfxInt32x2 iOffset = bilinearInfo.iOffsets[iSampleIndex]; + const FfxInt32x2 iSamplePos = bilinearInfo.iBasePos + iOffset; + + if (IsOnScreen(iSamplePos, RenderSize())) + { + const FfxFloat32 fWeight = bilinearInfo.fWeights[iSampleIndex]; + if (fWeight > fReconstructedDepthBilinearWeightThreshold) + { +#if OPT_PREFETCH_PREVDEPTH_WITH_GATHER + const FfxFloat32 fPrevDepthSample = fDepthSamples[iSampleIndex]; +#else + const FfxFloat32 fPrevDepthSample = LoadReconstructedPrevDepth(iSamplePos); +#endif + const FfxFloat32 fPrevNearestDepthViewSpace = GetViewSpaceDepth(fPrevDepthSample); + const FfxFloat32 fDepthDiff = fCurrentDepthViewSpace - fPrevNearestDepthViewSpace; + + if (fDepthDiff > 0.0f) { + +#if FFXM_FSR2_OPTION_INVERTED_DEPTH + const FfxFloat32 fPlaneDepth = ffxMin(fPrevDepthSample, fCurrentDepthSample); +#else + const FfxFloat32 fPlaneDepth = ffxMax(fPrevDepthSample, fCurrentDepthSample); +#endif + + const FfxFloat32x3 fCenter = GetViewSpacePosition(FfxInt32x2(RenderSize() * 0.5f), RenderSize(), fPlaneDepth); + const FfxFloat32x3 fCorner = GetViewSpacePosition(FfxInt32x2(0, 0), RenderSize(), fPlaneDepth); + + const FfxFloat32 fHalfViewportWidth = length(FfxFloat32x2(RenderSize())); + const FfxFloat32 fDepthThreshold = ffxMax(fCurrentDepthViewSpace, fPrevNearestDepthViewSpace); + + const FfxFloat32 Ksep = 1.37e-05f; + const FfxFloat32 Kfov = length(fCorner) / length(fCenter); + const FfxFloat32 fRequiredDepthSeparation = Ksep * Kfov * fHalfViewportWidth * fDepthThreshold; + + const FfxFloat32 fResolutionFactor = ffxSaturate(length(FfxFloat32x2(RenderSize())) / length(FfxFloat32x2(1920.0f, 1080.0f))); + const FfxFloat32 fPower = ffxLerp(1.0f, 3.0f, fResolutionFactor); + fDepth += ffxPow(ffxSaturate(FfxFloat32(fRequiredDepthSeparation / fDepthDiff)), fPower) * fWeight; + fWeightSum += fWeight; + } + } + } + } + + return (fWeightSum > 0) ? ffxSaturate(1.0f - fDepth / fWeightSum) : 0.0f; +} + +FfxFloat32 ComputeMotionDivergence(FfxInt32x2 iPxPos, FfxInt32x2 iPxInputMotionVectorSize) +{ + FfxFloat32 minconvergence = 1.0f; + + FfxFloat32x2 fMotionVectorNucleus = LoadInputMotionVector(iPxPos); + FfxFloat32 fNucleusVelocityLr = length(fMotionVectorNucleus * RenderSize()); + FfxFloat32 fMaxVelocityUv = length(fMotionVectorNucleus); + + const FfxFloat32 MotionVectorVelocityEpsilon = 1e-02f; + + + const FfxFloat32x2 fMVSize = FfxFloat32x2(iPxInputMotionVectorSize); + FfxFloat32x2 fPxBaseUv = FfxFloat32x2(iPxPos) / fMVSize; + FfxFloat32x2 fUnitUv = FfxFloat32x2(1.0f, 1.0f) / fMVSize; + + FFXM_MIN16_F2 fMotionVectorSamples[9]; + FFXM_MIN16_F2 fTmpDummy = FFXM_MIN16_F2(0.0f, 0.0f); + GatherInputMotionVectorRGQuad(fPxBaseUv, + fMotionVectorSamples[0], fMotionVectorSamples[1], + fMotionVectorSamples[3], fMotionVectorSamples[4]); + GatherInputMotionVectorRGQuad(fUnitUv + fPxBaseUv, + fTmpDummy, fMotionVectorSamples[5], + fMotionVectorSamples[7], fMotionVectorSamples[8]); + fMotionVectorSamples[2] = LoadInputMotionVector(iPxPos + FfxInt32x2(1, -1)); + fMotionVectorSamples[6] = LoadInputMotionVector(iPxPos + FfxInt32x2(-1, 1)); + + if (fNucleusVelocityLr > MotionVectorVelocityEpsilon) { + for (FfxInt32 y = -1; y <= 1; ++y) + { + for (FfxInt32 x = -1; x <= 1; ++x) + { + FfxInt32 sampleIdx = (y + 1) * 3 + x + 1; + + FfxFloat32x2 fMotionVector = fMotionVectorSamples[sampleIdx]; //LoadInputMotionVector(sp); + FfxFloat32 fVelocityUv = length(fMotionVector); + + fMaxVelocityUv = ffxMax(fVelocityUv, fMaxVelocityUv); + fVelocityUv = ffxMax(fVelocityUv, fMaxVelocityUv); + minconvergence = ffxMin(minconvergence, dot(fMotionVector / fVelocityUv, fMotionVectorNucleus / fVelocityUv)); + } + } + } + + return ffxSaturate(1.0f - minconvergence) * ffxSaturate(fMaxVelocityUv / 0.01f); +} + +FfxFloat32 ComputeDepthDivergence(FfxInt32x2 iPxPos) +{ + const FfxFloat32 fMaxDistInMeters = GetMaxDistanceInMeters(); + FfxFloat32 fDepthMax = 0.0f; + FfxFloat32 fDepthMin = fMaxDistInMeters; + + FfxInt32 iMaxDistFound = 0; + + FfxInt32x2 iRenderSize = RenderSize(); + const FfxFloat32x2 fRenderSize = FfxFloat32x2(iRenderSize); + FfxFloat32x2 fPxPosBase = FfxFloat32x2(iPxPos) / fRenderSize; + FfxFloat32x2 fUnitUv = FfxFloat32x2(1.0f, 1.0f) / fRenderSize; + + FfxFloat32 fDilatedDepthSamples[9]; + FfxFloat32 fTmpDummy = 0.0f; + GatherDilatedDepthRQuad(fPxPosBase, + fDilatedDepthSamples[0], fDilatedDepthSamples[1], + fDilatedDepthSamples[3], fDilatedDepthSamples[4]); + GatherDilatedDepthRQuad(fUnitUv + fPxPosBase, + fTmpDummy, fDilatedDepthSamples[5], + fDilatedDepthSamples[7], fDilatedDepthSamples[8]); + fDilatedDepthSamples[2] = LoadDilatedDepth(iPxPos + FfxInt32x2(1, -1)); + fDilatedDepthSamples[6] = LoadDilatedDepth(iPxPos + FfxInt32x2(-1, 1)); + + for (FfxInt32 y = -1; y < 2; y++) + { + for (FfxInt32 x = -1; x < 2; x++) + { + FfxInt32 sampleIdx = (y + 1) * 3 + x + 1; + const FfxInt32x2 iOffset = FfxInt32x2(x, y); + const FfxInt32x2 iSamplePos = iPxPos + iOffset; + + const FfxFloat32 fOnScreenFactor = IsOnScreen(iSamplePos, iRenderSize) ? 1.0f : 0.0f; + // FfxFloat32 fDepth = GetViewSpaceDepthInMeters(LoadDilatedDepth(iSamplePos)) * fOnScreenFactor; + FfxFloat32 fDepth = GetViewSpaceDepthInMeters(fDilatedDepthSamples[sampleIdx]) * fOnScreenFactor; + + iMaxDistFound |= FfxInt32(fMaxDistInMeters == fDepth); + + fDepthMin = ffxMin(fDepthMin, fDepth); + fDepthMax = ffxMax(fDepthMax, fDepth); + } + } + + return (1.0f - fDepthMin / fDepthMax) * (FfxBoolean(iMaxDistFound) ? 0.0f : 1.0f); +} + +FfxFloat32 ComputeTemporalMotionDivergence(FfxInt32x2 iPxPos) +{ + const FfxFloat32x2 fUv = FfxFloat32x2(iPxPos + 0.5f) / RenderSize(); + + FfxFloat32x2 fMotionVector = LoadDilatedMotionVector(iPxPos); + FfxFloat32x2 fReprojectedUv = fUv + fMotionVector; + fReprojectedUv = ClampUv(fReprojectedUv, RenderSize(), MaxRenderSize()); + FfxFloat32x2 fPrevMotionVector = SamplePreviousDilatedMotionVector(fReprojectedUv); + + float fPxDistance = length(fMotionVector * DisplaySize()); + return fPxDistance > 1.0f ? ffxLerp(0.0f, 1.0f - ffxSaturate(length(fPrevMotionVector) / length(fMotionVector)), ffxSaturate(ffxPow(fPxDistance / 20.0f, 3.0f))) : 0; +} + +void PreProcessReactiveMasks(FfxInt32x2 iPxLrPos, FfxFloat32 fMotionDivergence, FFXM_PARAMETER_INOUT DepthClipOutputs results) +{ + // Compensate for bilinear sampling in accumulation pass + + const FfxInt32x2 iRenderSize = RenderSize(); + const FfxFloat32x2 fRenderSize = FfxFloat32x2(iRenderSize); + FfxFloat32x2 fPxPosBase = FfxFloat32x2(iPxLrPos) / fRenderSize; + FfxFloat32x2 fUnitUv = FfxFloat32x2(1.0f, 1.0f) / fRenderSize; + + FFXM_MIN16_F2 fReactiveFactor = FFXM_MIN16_F2(0.0f, fMotionDivergence); + FFXM_MIN16_F fMasksSum = FFXM_MIN16_F(0.0f); + + FFXM_MIN16_F fTmpDummy = FFXM_MIN16_F(0.0f); + // Reactive samples + FFXM_MIN16_F fReactiveSamples[9]; + GatherReactiveRQuad(fPxPosBase, + fReactiveSamples[0], fReactiveSamples[1], + fReactiveSamples[3], fReactiveSamples[4]); + GatherReactiveRQuad(fUnitUv + fPxPosBase, + fTmpDummy, fReactiveSamples[5], + fReactiveSamples[7], fReactiveSamples[8]); + fReactiveSamples[2] = FFXM_MIN16_F(LoadReactiveMask(iPxLrPos + FfxInt32x2(1, -1))); + fReactiveSamples[6] = FFXM_MIN16_F(LoadReactiveMask(iPxLrPos + FfxInt32x2(-1, 1))); + + // Transparency and composition mask samples + FFXM_MIN16_F fTransparencyAndCompositionSamples[9]; + GatherTransparencyAndCompositionMaskRQuad(fPxPosBase, + fTransparencyAndCompositionSamples[0], fTransparencyAndCompositionSamples[1], + fTransparencyAndCompositionSamples[3], fTransparencyAndCompositionSamples[4]); + GatherTransparencyAndCompositionMaskRQuad(fUnitUv + fPxPosBase, + fTmpDummy, fTransparencyAndCompositionSamples[5], + fTransparencyAndCompositionSamples[7], fTransparencyAndCompositionSamples[8]); + fTransparencyAndCompositionSamples[2] = FFXM_MIN16_F(LoadTransparencyAndCompositionMask(iPxLrPos + FfxInt32x2(1, -1))); + fTransparencyAndCompositionSamples[6] = FFXM_MIN16_F(LoadTransparencyAndCompositionMask(iPxLrPos + FfxInt32x2(-1, 1))); + + FFXM_UNROLL + for (FfxInt32 y = -1; y < 2; y++) + { + FFXM_UNROLL + for (FfxInt32 x = -1; x < 2; x++) + { + FfxInt32 sampleIdx = (y + 1) * 3 + x + 1; + fMasksSum += (fReactiveSamples[sampleIdx] + fTransparencyAndCompositionSamples[sampleIdx]); + } + } + + if (fMasksSum > FFXM_MIN16_F(0)) + { + const FfxFloat32x2 InputColorSize = FfxFloat32x2(InputColorResourceDimensions()); + FfxFloat32x2 Base = FfxFloat32x2(iPxLrPos) / InputColorSize; + FFXM_MIN16_F3 fInputColorSamples[9]; + // Input color samples + GatherInputColorRGBQuad(Base, + fInputColorSamples[0], fInputColorSamples[1], fInputColorSamples[3], fInputColorSamples[4]); + fInputColorSamples[2] = LoadInputColor(iPxLrPos + FfxInt32x2(1, -1)); + fInputColorSamples[5] = LoadInputColor(iPxLrPos + FfxInt32x2(1, 0) ); + fInputColorSamples[6] = LoadInputColor(iPxLrPos + FfxInt32x2(-1, 1)); + fInputColorSamples[7] = LoadInputColor(iPxLrPos + FfxInt32x2(0, 1) ); + fInputColorSamples[8] = LoadInputColor(iPxLrPos + FfxInt32x2(1, 1) ); + + FFXM_MIN16_F3 fReferenceColor = fInputColorSamples[4]; + + for (FfxInt32 sampleIdx = 0; sampleIdx < 9; sampleIdx++) + { + FFXM_MIN16_F3 fColorSample = fInputColorSamples[sampleIdx]; + FFXM_MIN16_F fReactiveSample = fReactiveSamples[sampleIdx]; + FFXM_MIN16_F fTransparencyAndCompositionSample = fTransparencyAndCompositionSamples[sampleIdx]; + + const FfxFloat32 fMaxLenSq = ffxMax(dot(fReferenceColor, fReferenceColor), dot(fColorSample, fColorSample)); + const FFXM_MIN16_F fSimilarity = dot(fReferenceColor, fColorSample) / fMaxLenSq; + + // Increase power for non-similar samples + const FFXM_MIN16_F fPowerBiasMax = FFXM_MIN16_F(6.0f); + const FFXM_MIN16_F fSimilarityPower = FFXM_MIN16_F(1.0f + (fPowerBiasMax - fSimilarity * fPowerBiasMax)); + const FFXM_MIN16_F fWeightedReactiveSample = ffxPow(fReactiveSample, fSimilarityPower); + const FFXM_MIN16_F fWeightedTransparencyAndCompositionSample = ffxPow(fTransparencyAndCompositionSample, fSimilarityPower); + + fReactiveFactor = ffxMax(fReactiveFactor, FFXM_MIN16_F2(fWeightedReactiveSample, fWeightedTransparencyAndCompositionSample)); + } + } + + results.fDilatedReactiveMasks = fReactiveFactor; +} + +FfxFloat32x3 ComputePreparedInputColor(FfxInt32x2 iPxLrPos) +{ + //We assume linear data. if non-linear input (sRGB, ...), + //then we should convert to linear first and back to sRGB on output. + FfxFloat32x3 fRgb = ffxMax(FfxFloat32x3(0, 0, 0), LoadInputColor(iPxLrPos)); + + fRgb = PrepareRgb(fRgb, Exposure(), PreExposure()); + +#if FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + const FfxFloat32x3 fPreparedYCoCg = Tonemap(fRgb); +#else + const FfxFloat32x3 fPreparedYCoCg = RGBToYCoCg(fRgb); +#endif + + return fPreparedYCoCg; +} + +FfxFloat32 EvaluateSurface(FfxInt32x2 iPxPos, FfxFloat32x2 fMotionVector) +{ + FfxFloat32 d0 = GetViewSpaceDepth(LoadReconstructedPrevDepth(iPxPos + FfxInt32x2(0, -1))); + FfxFloat32 d1 = GetViewSpaceDepth(LoadReconstructedPrevDepth(iPxPos + FfxInt32x2(0, 0))); + FfxFloat32 d2 = GetViewSpaceDepth(LoadReconstructedPrevDepth(iPxPos + FfxInt32x2(0, 1))); + + return 1.0f - FfxFloat32(((d0 - d1) > (d1 * 0.01f)) && ((d1 - d2) > (d2 * 0.01f))); +} + +DepthClipOutputs DepthClip(FfxInt32x2 iPxPos) +{ + FfxFloat32x2 fDepthUv = (iPxPos + 0.5f) / RenderSize(); + FfxFloat32x2 fMotionVector = LoadDilatedMotionVector(iPxPos); + + // Discard tiny mvs + fMotionVector *= FfxFloat32(length(fMotionVector * DisplaySize()) > 0.01f); + + const FfxFloat32x2 fDilatedUv = fDepthUv + fMotionVector; + const FfxFloat32 fDilatedDepth = LoadDilatedDepth(iPxPos); + const FfxFloat32 fCurrentDepthViewSpace = GetViewSpaceDepth(LoadInputDepth(iPxPos)); + + DepthClipOutputs results; + + // Compute prepared input color and depth clip + FfxFloat32 fDepthClip = ComputeDepthClip(fDilatedUv, fDilatedDepth) * EvaluateSurface(iPxPos, fMotionVector); + FfxFloat32x3 fPreparedYCoCg = ComputePreparedInputColor(iPxPos); + results.fTonemapped = FfxFloat32x4(fPreparedYCoCg, fDepthClip); + + // Compute dilated reactive mask +#if FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS + FfxInt32x2 iSamplePos = iPxPos; +#else + FfxInt32x2 iSamplePos = ComputeHrPosFromLrPos(iPxPos); +#endif + + FfxFloat32 fMotionDivergence = ComputeMotionDivergence(iSamplePos, RenderSize()); + FfxFloat32 fTemporalMotionDifference = ffxSaturate(ComputeTemporalMotionDivergence(iPxPos) - ComputeDepthDivergence(iPxPos)); + + PreProcessReactiveMasks(iPxPos, ffxMax(fTemporalMotionDifference, fMotionDivergence), results); + + return results; +} + +#endif //!defined( FFXM_FSR2_DEPTH_CLIPH ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h.meta new file mode 100644 index 0000000..c35e41a --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 6578e7c7d02073e48926d1974b4d6c92 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h new file mode 100644 index 0000000..b78afdc --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h @@ -0,0 +1,131 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_LOCK_H +#define FFXM_FSR2_LOCK_H + +void ClearResourcesForNextFrame(in FfxInt32x2 iPxHrPos) +{ + if (all(FFXM_LESS_THAN(iPxHrPos, FfxInt32x2(RenderSize())))) + { +#if FFXM_FSR2_OPTION_INVERTED_DEPTH + const FfxUInt32 farZ = 0x0; +#else + const FfxUInt32 farZ = 0x3f800000; +#endif + SetReconstructedDepth(iPxHrPos, farZ); + } +} + +FfxBoolean ComputeThinFeatureConfidence(FfxInt32x2 pos) +{ + const FfxInt32 RADIUS = 1; + + FFXM_MIN16_F fNucleus = LoadLockInputLuma(pos); + + FFXM_MIN16_F similar_threshold = FFXM_MIN16_F(1.05f); + FFXM_MIN16_F dissimilarLumaMin = FFXM_MIN16_F(FSR2_FP16_MAX); + FFXM_MIN16_F dissimilarLumaMax = FFXM_MIN16_F(0); + + /* + 0 1 2 + 3 4 5 + 6 7 8 + */ + + #define SETBIT(x) (1U << x) + + FfxUInt32 mask = SETBIT(4); //flag fNucleus as similar + + const FfxUInt32 uNumRejectionMasks = 4; + const FfxUInt32 uRejectionMasks[uNumRejectionMasks] = { + SETBIT(0) | SETBIT(1) | SETBIT(3) | SETBIT(4), //Upper left + SETBIT(1) | SETBIT(2) | SETBIT(4) | SETBIT(5), //Upper right + SETBIT(3) | SETBIT(4) | SETBIT(6) | SETBIT(7), //Lower left + SETBIT(4) | SETBIT(5) | SETBIT(7) | SETBIT(8), //Lower right + }; + + FFXM_MIN16_F lumaSamples [9]; + FFXM_MIN16_F fTmpDummy = FFXM_MIN16_F(0.0f); + const FfxFloat32x2 fInputLumaSize = FfxFloat32x2(RenderSize()); + const FfxFloat32x2 fPxBaseUv = FfxFloat32x2(pos) / fInputLumaSize; + const FfxFloat32x2 fUnitUv = FfxFloat32x2(1.0f, 1.0f) / fInputLumaSize; + + // Gather samples + GatherLockInputLumaRQuad(fPxBaseUv, + lumaSamples[0], lumaSamples[1], + lumaSamples[3], lumaSamples[4]); + GatherLockInputLumaRQuad(fUnitUv + fPxBaseUv, + fTmpDummy, lumaSamples[5], + lumaSamples[7], lumaSamples[8]); + lumaSamples[2] = LoadLockInputLuma(pos + FfxInt32x2(1, -1)); + lumaSamples[6] = LoadLockInputLuma(pos + FfxInt32x2(-1, 1)); + + FfxInt32 idx = 0; + FFXM_UNROLL + for (FfxInt32 y = -RADIUS; y <= RADIUS; y++) { + FFXM_UNROLL + for (FfxInt32 x = -RADIUS; x <= RADIUS; x++, idx++) { + if (x == 0 && y == 0) continue; + + FfxInt32 sampleIdx = (y + 1) * 3 + x + 1; + FFXM_MIN16_F sampleLuma = lumaSamples[sampleIdx]; + + FFXM_MIN16_F difference = ffxMax(sampleLuma, fNucleus) / ffxMin(sampleLuma, fNucleus); + + if (difference > FFXM_MIN16_F(0) && (difference < similar_threshold)) { + mask |= SETBIT(idx); + } else { + dissimilarLumaMin = ffxMin(dissimilarLumaMin, sampleLuma); + dissimilarLumaMax = ffxMax(dissimilarLumaMax, sampleLuma); + } + } + } + + FfxBoolean isRidge = fNucleus > dissimilarLumaMax || fNucleus < dissimilarLumaMin; + + if (FFXM_FALSE == isRidge) { + + return false; + } + + FFXM_UNROLL + for (FfxInt32 i = 0; i < 4; i++) { + + if ((mask & uRejectionMasks[i]) == uRejectionMasks[i]) { + return false; + } + } + + return true; +} + +void ComputeLock(FfxInt32x2 iPxLrPos) +{ + if (ComputeThinFeatureConfidence(iPxLrPos)) + { + StoreNewLocks(ComputeHrPosFromLrPos(iPxLrPos), 1.f); + } + + ClearResourcesForNextFrame(iPxLrPos); +} + +#endif // FFXM_FSR2_LOCK_H diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h.meta new file mode 100644 index 0000000..f399aac --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 920d5b937231132469bcb0f2a38d2d80 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h new file mode 100644 index 0000000..8d6e0bf --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h @@ -0,0 +1,101 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_POSTPROCESS_LOCK_STATUS_H +#define FFXM_FSR2_POSTPROCESS_LOCK_STATUS_H + +FfxFloat32x4 WrapShadingChangeLuma(FfxInt32x2 iPxSample) +{ + return FfxFloat32x4(LoadMipLuma(iPxSample, LumaMipLevelToUse()), 0, 0, 0); +} + +#if FFXM_HALF +FFXM_MIN16_F4 WrapShadingChangeLuma(FFXM_MIN16_I2 iPxSample) +{ + return FFXM_MIN16_F4(LoadMipLuma(iPxSample, LumaMipLevelToUse()), 0, 0, 0); +} +#endif + +#if FFXM_HALF +DeclareCustomFetchBilinearSamplesMin16(FetchShadingChangeLumaSamples, WrapShadingChangeLuma) +DeclareCustomTextureSampleMin16(ShadingChangeLumaSample, Bilinear, FetchShadingChangeLumaSamples) +#else +DeclareCustomFetchBicubicSamples(FetchShadingChangeLumaSamples, WrapShadingChangeLuma) +DeclareCustomTextureSample(ShadingChangeLumaSample, Lanczos2, FetchShadingChangeLumaSamples) +#endif + +FfxFloat32 GetShadingChangeLuma(FfxInt32x2 iPxHrPos, FfxFloat32x2 fUvCoord) +{ + FfxFloat32 fShadingChangeLuma = 0; + const FfxFloat32 fDiv = FfxFloat32(FfxInt32(2) << LumaMipLevelToUse()); + FfxInt32x2 iMipRenderSize = FfxInt32x2(RenderSize() / fDiv); + + fUvCoord = ClampUv(fUvCoord, iMipRenderSize, LumaMipDimensions()); + fShadingChangeLuma = Exposure() * exp(FfxFloat32(SampleMipLuma(fUvCoord, LumaMipLevelToUse()))); + + fShadingChangeLuma = ffxPow(fShadingChangeLuma, 1.0f / 6.0f); + + return fShadingChangeLuma; +} + +void UpdateLockStatus(AccumulationPassCommonParams params, + FFXM_PARAMETER_INOUT FfxFloat32 fReactiveFactor, LockState state, + FFXM_PARAMETER_INOUT FfxFloat32x2 fLockStatus, + FFXM_PARAMETER_OUT FfxFloat32 fLockContributionThisFrame, + FFXM_PARAMETER_OUT FfxFloat32 fLuminanceDiff) { + + const FfxFloat32 fShadingChangeLuma = GetShadingChangeLuma(params.iPxHrPos, params.fHrUv); + + //init temporal shading change factor, init to -1 or so in reproject to know if "true new"? + fLockStatus[LOCK_TEMPORAL_LUMA] = (fLockStatus[LOCK_TEMPORAL_LUMA] == FfxFloat32(0.0f)) ? fShadingChangeLuma : fLockStatus[LOCK_TEMPORAL_LUMA]; + + FfxFloat32 fPreviousShadingChangeLuma = fLockStatus[LOCK_TEMPORAL_LUMA]; + + fLuminanceDiff = 1.0f - MinDividedByMax(fPreviousShadingChangeLuma, fShadingChangeLuma); + + if (state.NewLock) { + fLockStatus[LOCK_TEMPORAL_LUMA] = fShadingChangeLuma; + + fLockStatus[LOCK_LIFETIME_REMAINING] = (fLockStatus[LOCK_LIFETIME_REMAINING] != 0.0f) ? 2.0f : 1.0f; + } + else if(fLockStatus[LOCK_LIFETIME_REMAINING] <= 1.0f) { + fLockStatus[LOCK_TEMPORAL_LUMA] = ffxLerp(fLockStatus[LOCK_TEMPORAL_LUMA], FfxFloat32(fShadingChangeLuma), 0.5f); + } + else { + if (fLuminanceDiff > 0.1f) { + KillLock(fLockStatus); + } + } + + fReactiveFactor = ffxMax(fReactiveFactor, ffxSaturate((fLuminanceDiff - 0.1f) * 10.0f)); + fLockStatus[LOCK_LIFETIME_REMAINING] *= (1.0f - fReactiveFactor); + + fLockStatus[LOCK_LIFETIME_REMAINING] *= ffxSaturate(1.0f - params.fAccumulationMask); + fLockStatus[LOCK_LIFETIME_REMAINING] *= FfxFloat32(params.fDepthClipFactor < 0.1f); + + // Compute this frame lock contribution + const FfxFloat32 fLifetimeContribution = ffxSaturate(fLockStatus[LOCK_LIFETIME_REMAINING] - 1.0f); + const FfxFloat32 fShadingChangeContribution = ffxSaturate(MinDividedByMax(fLockStatus[LOCK_TEMPORAL_LUMA], fShadingChangeLuma)); + + fLockContributionThisFrame = ffxSaturate(ffxSaturate(fLifetimeContribution * 4.0f) * fShadingChangeContribution); +} + +#endif //!defined( FFXM_FSR2_POSTPROCESS_LOCK_STATUS_H ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h.meta new file mode 100644 index 0000000..b5dce57 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 976d18e7892c5c444bbcb4d17322fefb +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h new file mode 100644 index 0000000..d60784b --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h @@ -0,0 +1,91 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#define GROUP_SIZE 8 +#define FSR_RCAS_DENOISE 1 + +#include "./ffxm_core.h" + +struct RCASOutputs +{ + FfxFloat32x3 fUpscaledColor; +}; + +#if FFXM_HALF +#define USE_FSR_RCASH 1 +#else +#define USE_FSR_RCASH 0 +#endif + +#if USE_FSR_RCASH +#define FSR_RCAS_H 1 +FfxFloat16x4 FsrRcasLoadH(FfxInt16x2 p) +{ + FfxFloat16x4 fColor = LoadRCAS_Input(p); + fColor.rgb = FfxFloat16x3(PrepareRgb(fColor.rgb, Exposure(), PreExposure())); + return fColor; +} +void FsrRcasInputH(inout FfxFloat16 r,inout FfxFloat16 g,inout FfxFloat16 b) +{ + +} + +#else +#define FSR_RCAS_F 1 +FfxFloat32x4 FsrRcasLoadF(FfxInt32x2 p) +{ + FfxFloat32x4 fColor = LoadRCAS_Input(p); + + fColor.rgb = PrepareRgb(fColor.rgb, Exposure(), PreExposure()); + + return fColor; +} +void FsrRcasInputF(inout FfxFloat32 r, inout FfxFloat32 g, inout FfxFloat32 b) {} +#endif + +#include "./fsr1/ffxm_fsr1.h" + +void CurrFilter(FFXM_MIN16_U2 pos, FFXM_PARAMETER_INOUT RCASOutputs results) +{ +#if USE_FSR_RCASH + FfxFloat16x3 c; + FsrRcasH(c.r, c.g, c.b, pos, RCASConfig()); + + c = UnprepareRgb(c, FfxFloat16(Exposure())); +#else + FfxFloat32x3 c; + FsrRcasF(c.r, c.g, c.b, pos, RCASConfig()); + + c = UnprepareRgb(c, Exposure()); +#endif + results.fUpscaledColor = c; +} + +RCASOutputs RCAS(FfxUInt32x2 gxy) +{ +#ifdef FFXM_HLSL + RCASOutputs results = (RCASOutputs)0; +#else + RCASOutputs results; +#endif + CurrFilter(FFXM_MIN16_U2(gxy), results); + return results; +} diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h.meta new file mode 100644 index 0000000..73e1f49 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 6113e44b0d068db4c954804a6ce38739 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h new file mode 100644 index 0000000..59bf246 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h @@ -0,0 +1,155 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_RECONSTRUCT_DILATED_VELOCITY_AND_PREVIOUS_DEPTH_H +#define FFXM_FSR2_RECONSTRUCT_DILATED_VELOCITY_AND_PREVIOUS_DEPTH_H + +struct ReconstructPrevDepthOutputs +{ + FfxFloat32 fDepth; + FfxFloat32x2 fMotionVector; + FfxFloat32 fLuma; +}; + + +void ReconstructPrevDepth(FfxInt32x2 iPxPos, FfxFloat32 fDepth, FfxFloat32x2 fMotionVector, FfxInt32x2 iPxDepthSize) +{ + fMotionVector *= FfxFloat32(length(fMotionVector * DisplaySize()) > 0.1f); + + FfxFloat32x2 fUv = (iPxPos + FfxFloat32(0.5)) / iPxDepthSize; + FfxFloat32x2 fReprojectedUv = fUv + fMotionVector; + + BilinearSamplingData bilinearInfo = GetBilinearSamplingData(fReprojectedUv, RenderSize()); + + // Project current depth into previous frame locations. + // Push to all pixels having some contribution if reprojection is using bilinear logic. + for (FfxInt32 iSampleIndex = 0; iSampleIndex < 4; iSampleIndex++) { + + const FfxInt32x2 iOffset = bilinearInfo.iOffsets[iSampleIndex]; + FfxFloat32 fWeight = bilinearInfo.fWeights[iSampleIndex]; + + if (fWeight > fReconstructedDepthBilinearWeightThreshold) { + + FfxInt32x2 iStorePos = bilinearInfo.iBasePos + iOffset; + if (IsOnScreen(iStorePos, iPxDepthSize)) { + StoreReconstructedDepth(iStorePos, fDepth); + } + } + } +} + +void FindNearestDepth(FFXM_PARAMETER_IN FfxInt32x2 iPxPos, FFXM_PARAMETER_IN FfxInt32x2 iPxSize, FFXM_PARAMETER_OUT FfxFloat32 fNearestDepth, FFXM_PARAMETER_OUT FfxInt32x2 fNearestDepthCoord) +{ + const FfxInt32 iSampleCount = 9; + const FfxInt32x2 iSampleOffsets[iSampleCount] = { + FfxInt32x2(+0, +0), + FfxInt32x2(+1, +0), + FfxInt32x2(+0, +1), + FfxInt32x2(+0, -1), + FfxInt32x2(-1, +0), + FfxInt32x2(-1, +1), + FfxInt32x2(+1, +1), + FfxInt32x2(-1, -1), + FfxInt32x2(+1, -1), + }; + + // pull out the depth loads to allow SC to batch them + FfxFloat32 depth[9]; + FfxInt32 iSampleIndex = 0; + FFXM_UNROLL + for (iSampleIndex = 0; iSampleIndex < iSampleCount; ++iSampleIndex) { + + FfxInt32x2 iPos = iPxPos + iSampleOffsets[iSampleIndex]; + depth[iSampleIndex] = LoadInputDepth(iPos); + } + + // find closest depth + fNearestDepthCoord = iPxPos; + fNearestDepth = depth[0]; + FFXM_UNROLL + for (iSampleIndex = 1; iSampleIndex < iSampleCount; ++iSampleIndex) { + + FfxInt32x2 iPos = iPxPos + iSampleOffsets[iSampleIndex]; + if (IsOnScreen(iPos, iPxSize)) { + + FfxFloat32 fNdDepth = depth[iSampleIndex]; +#if FFXM_FSR2_OPTION_INVERTED_DEPTH + if (fNdDepth > fNearestDepth) { +#else + if (fNdDepth < fNearestDepth) { +#endif + fNearestDepthCoord = iPos; + fNearestDepth = fNdDepth; + } + } + } +} + +FfxFloat32 ComputeLockInputLuma(FfxInt32x2 iPxLrPos) +{ + //We assume linear data. if non-linear input (sRGB, ...), + //then we should convert to linear first and back to sRGB on output. + FfxFloat32x3 fRgb = ffxMax(FfxFloat32x3(0, 0, 0), LoadInputColor(iPxLrPos)); + + // Use internal auto exposure for locking logic + fRgb /= PreExposure(); + fRgb *= Exposure(); + +#if FFXM_FSR2_OPTION_HDR_COLOR_INPUT + fRgb = Tonemap(fRgb); +#endif + + //compute luma used to lock pixels, if used elsewhere the ffxPow must be moved! + const FfxFloat32 fLockInputLuma = ffxPow(RGBToPerceivedLuma(fRgb), FfxFloat32(1.0 / 6.0)); + + return fLockInputLuma; +} + +ReconstructPrevDepthOutputs ReconstructAndDilate(FfxInt32x2 iPxLrPos) +{ + FfxFloat32 fDilatedDepth; + FfxInt32x2 iNearestDepthCoord; + + FindNearestDepth(iPxLrPos, RenderSize(), fDilatedDepth, iNearestDepthCoord); + +#if FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS + FfxInt32x2 iSamplePos = iPxLrPos; + FfxInt32x2 iMotionVectorPos = iNearestDepthCoord; +#else + FfxInt32x2 iSamplePos = ComputeHrPosFromLrPos(iPxLrPos); + FfxInt32x2 iMotionVectorPos = ComputeHrPosFromLrPos(iNearestDepthCoord); +#endif + + FfxFloat32x2 fDilatedMotionVector = LoadInputMotionVector(iMotionVectorPos); + + ReconstructPrevDepthOutputs results; + + results.fDepth = fDilatedDepth; + results.fMotionVector = fDilatedMotionVector; + ReconstructPrevDepth(iPxLrPos, fDilatedDepth, fDilatedMotionVector, RenderSize()); + FfxFloat32 fLockInputLuma = ComputeLockInputLuma(iPxLrPos); + results.fLuma = fLockInputLuma; + + return results; +} + + +#endif //!defined( FFXM_FSR2_RECONSTRUCT_DILATED_VELOCITY_AND_PREVIOUS_DEPTH_H ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h.meta new file mode 100644 index 0000000..945e0ce --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reconstruct_dilated_velocity_and_previous_depth.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 5e29326796d407b41b4d8a450bbb8fac +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h new file mode 100644 index 0000000..752a39a --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h @@ -0,0 +1,386 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_REPROJECT_H +#define FFXM_FSR2_REPROJECT_H + +#if FFXM_HALF +FFXM_MIN16_F4 WrapHistory(FFXM_MIN16_I2 iPxSample) +{ + return FFXM_MIN16_F4(LoadHistory(iPxSample)); +} +FFXM_MIN16_F4 SampleHistory(FfxFloat32x2 fUV) +{ + return SampleUpscaledHistory(fUV); +} +#else +FfxFloat32x4 WrapHistory(FfxInt32x2 iPxSample) +{ + return LoadHistory(iPxSample); +} +FfxFloat32x4 SampleHistory(FfxFloat32x2 fUV) +{ + return SampleUpscaledHistory(fUV); +} +#endif + + +#if FFXM_HALF + +#define FFXM_FSR2_REPROJECT_CATMULL_9TAP 0 +#define FFXM_FSR2_REPROJECT_LANCZOS_APPROX_9TAP 1 +#define FFXM_FSR2_REPROJECT_CATMULL_5TAP 2 + +#if FFXM_SHADER_QUALITY_OPT_REPROJECT_CATMULL_5TAP +#define FFXM_FSR2_REPROJECT_MODE FFXM_FSR2_REPROJECT_CATMULL_5TAP +#elif FFXM_SHADER_QUALITY_OPT_REPROJECT_CATMULL_9TAP +#define FFXM_FSR2_REPROJECT_MODE FFXM_FSR2_REPROJECT_CATMULL_9TAP +#else // QUALITY +#define FFXM_FSR2_REPROJECT_MODE FFXM_FSR2_REPROJECT_CATMULL_9TAP +#endif + +#if (FFXM_FSR2_REPROJECT_MODE == FFXM_FSR2_REPROJECT_CATMULL_9TAP) +struct CatmullRomSamples9Tap +{ + // bilinear sampling UV coordinates of the samples + FfxFloat32x2 UV[3]; + + // weights of the samples + FFXM_MIN16_F2 Weight[3]; + + // final multiplier (it is faster to multiply 3 RGB values than reweights the 5 weights) + FFXM_MIN16_F FinalMultiplier; +}; + +CatmullRomSamples9Tap Get2DCatmullRom9Kernel(FfxFloat32x2 uv, FfxFloat32x2 size, in FfxFloat32x2 invSize) +{ + CatmullRomSamples9Tap catmullSamples; + FfxFloat32x2 samplePos = uv * size; + FfxFloat32x2 texPos1 = floor(samplePos - 0.5f) + 0.5f; + FfxFloat32x2 f = samplePos - texPos1; + + FfxFloat32x2 w0 = f * (-0.5f + f * (1.0f - 0.5f * f)); + FfxFloat32x2 w1 = 1.0f + f * f * (-2.5f + 1.5f * f); + FfxFloat32x2 w2 = f * (0.5f + f * (2.0f - 1.5f * f)); + FfxFloat32x2 w3 = f * f * (-0.5f + 0.5f * f); + + catmullSamples.Weight[0] = FFXM_MIN16_F2(w0); + catmullSamples.Weight[1] = FFXM_MIN16_F2(w1 + w2); + catmullSamples.Weight[2] = FFXM_MIN16_F2(w3); + + FfxFloat32x2 offset12 = w2 / (w1 + w2); + + // Compute the final UV coordinates we'll use for sampling the texture + catmullSamples.UV[0] = FfxFloat32x2(texPos1 - 1); + catmullSamples.UV[1] = FfxFloat32x2(texPos1 + 2); + catmullSamples.UV[2] = FfxFloat32x2(texPos1 + offset12); + + catmullSamples.UV[0] = FfxFloat32x2(catmullSamples.UV[0]*invSize); + catmullSamples.UV[1] = FfxFloat32x2(catmullSamples.UV[1]*invSize); + catmullSamples.UV[2] = FfxFloat32x2(catmullSamples.UV[2]*invSize); + return catmullSamples; +} + +FFXM_MIN16_F4 HistorySample(FfxFloat32x2 fUvSample, FfxInt32x2 iTextureSize) +{ + FfxFloat32x2 fPxSample = (fUvSample * FfxFloat32x2(iTextureSize)) - FfxFloat32x2(0.5f, 0.5f); + FfxFloat32x2 fTextureSize = FfxFloat32x2(iTextureSize); + FfxFloat32x2 fInvTextureSize = FfxFloat32x2(1.0f, 1.0f) / fTextureSize; + CatmullRomSamples9Tap samples = Get2DCatmullRom9Kernel(fUvSample, fTextureSize, fInvTextureSize); + + FFXM_MIN16_F4 fColor = FFXM_MIN16_F4(0.0f, 0.0f, 0.0f, 0.0f); + + FFXM_MIN16_F4 fColor00 = SampleHistory(FfxFloat32x2(samples.UV[0])); + fColor += fColor00 * samples.Weight[0].x * samples.Weight[0].y; + FFXM_MIN16_F4 fColor20 = SampleHistory(FfxFloat32x2(samples.UV[2].x, samples.UV[0].y)); + fColor += fColor20 * samples.Weight[1].x * samples.Weight[0].y; + fColor += SampleHistory(FfxFloat32x2(samples.UV[1].x, samples.UV[0].y)) * samples.Weight[2].x * samples.Weight[0].y; + + FFXM_MIN16_F4 fColor02 = SampleHistory(FfxFloat32x2(samples.UV[0].x, samples.UV[2].y)); + fColor += SampleHistory(FfxFloat32x2(samples.UV[0].x, samples.UV[2].y)) * samples.Weight[0].x * samples.Weight[1].y; + FFXM_MIN16_F4 fColor22 = SampleHistory(FfxFloat32x2(samples.UV[2])); + fColor += fColor22 * samples.Weight[1].x * samples.Weight[1].y; + fColor += SampleHistory(FfxFloat32x2(samples.UV[1].x, samples.UV[2].y)) * samples.Weight[2].x * samples.Weight[1].y; + + fColor += SampleHistory(FfxFloat32x2(samples.UV[0].x, samples.UV[1].y)) * samples.Weight[0].x * samples.Weight[2].y; + fColor += SampleHistory(FfxFloat32x2(samples.UV[2].x, samples.UV[1].y)) * samples.Weight[1].x * samples.Weight[2].y; + fColor += SampleHistory(FfxFloat32x2(samples.UV[1])) * samples.Weight[2].x * samples.Weight[2].y; + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + const FFXM_MIN16_F4 fDeringingSamples[4] = {fColor00, fColor20, fColor02, fColor22}; + + FFXM_MIN16_F4 fDeringingMin = fDeringingSamples[0]; + FFXM_MIN16_F4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < 4; ++iSampleIndex) + { + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + fColor = clamp(fColor, fDeringingMin, fDeringingMax); +#endif + return fColor; +} +#elif (FFXM_FSR2_REPROJECT_MODE == FFXM_FSR2_REPROJECT_CATMULL_5TAP) +#define ARM_CATMULL_5TAP_SAMPLE_COUNT 5 +struct CatmullRomSamples +{ + // bilinear sampling UV coordinates of the samples + FfxFloat32x2 UV[ARM_CATMULL_5TAP_SAMPLE_COUNT]; + // weights of the samples + FFXM_MIN16_F Weight[ARM_CATMULL_5TAP_SAMPLE_COUNT]; + // final multiplier (it is faster to multiply 3 RGB values than reweights the 5 weights) + FFXM_MIN16_F FinalMultiplier; +}; + +void Bicubic2DCatmullRom(in FfxFloat32x2 uv, in FfxFloat32x2 size, in FfxFloat32x2 invSize, FFXM_PARAMETER_OUT FfxFloat32x2 samples[3], FFXM_PARAMETER_OUT FfxFloat32x2 weights[3]) +{ + uv *= size; + FfxFloat32x2 tc = floor(uv - 0.5) + 0.5; + FfxFloat32x2 f = uv - tc; + FfxFloat32x2 f2 = f * f; + FfxFloat32x2 f3 = f2 * f; + FfxFloat32x2 w0 = f2 - 0.5 * (f3 + f); + FfxFloat32x2 w1 = 1.5 * f3 - 2.5 * f2 + 1.f; + FfxFloat32x2 w3 = 0.5 * (f3 - f2); + FfxFloat32x2 w2 = 1.f - w0 - w1 - w3; + + samples[0] = tc - 1.f; + samples[1] = tc + w2 / (w1 + w2); + samples[2] = tc + 2.f; + + samples[0] *= invSize; + samples[1] *= invSize; + samples[2] *= invSize; + weights[0] = w0; + weights[1] = w1 + w2; + weights[2] = w3; +} + +CatmullRomSamples GetBicubic2DCatmullRomSamples(FfxFloat32x2 uv, FfxFloat32x2 size, in FfxFloat32x2 invSize) +{ + FfxFloat32x2 weights[3]; + FfxFloat32x2 samples[3]; + Bicubic2DCatmullRom(uv, size, invSize, samples, weights); + + CatmullRomSamples crSamples; + // optimized by removing corner samples + crSamples.UV[0] = FfxFloat32x2(samples[1].x, samples[0].y); + crSamples.UV[1] = FfxFloat32x2(samples[0].x, samples[1].y); + crSamples.UV[2] = FfxFloat32x2(samples[1].x, samples[1].y); + crSamples.UV[3] = FfxFloat32x2(samples[2].x, samples[1].y); + crSamples.UV[4] = FfxFloat32x2(samples[1].x, samples[2].y); + + crSamples.Weight[0] = FFXM_MIN16_F(weights[1].x * weights[0].y); + crSamples.Weight[1] = FFXM_MIN16_F(weights[0].x * weights[1].y); + crSamples.Weight[2] = FFXM_MIN16_F(weights[1].x * weights[1].y); + crSamples.Weight[3] = FFXM_MIN16_F(weights[2].x * weights[1].y); + crSamples.Weight[4] = FFXM_MIN16_F(weights[1].x * weights[2].y); + + // reweight after removing the corners + FFXM_MIN16_F cornerWeights; + cornerWeights = crSamples.Weight[0]; + cornerWeights += crSamples.Weight[1]; + cornerWeights += crSamples.Weight[2]; + cornerWeights += crSamples.Weight[3]; + cornerWeights += crSamples.Weight[4]; + crSamples.FinalMultiplier = FFXM_MIN16_F(1.f / cornerWeights); + return crSamples; +} + +FFXM_MIN16_F4 HistorySample(FfxFloat32x2 fUvSample, FfxInt32x2 iTextureSize) +{ + FfxFloat32x2 fTextureSize = FfxFloat32x2(iTextureSize); + FfxFloat32x2 fInvTextureSize = FfxFloat32x2(1.0f, 1.0f) / fTextureSize; + CatmullRomSamples samples = GetBicubic2DCatmullRomSamples(fUvSample, fTextureSize, fInvTextureSize); + + FFXM_MIN16_F4 fColor = FFXM_MIN16_F4(0.0f, 0.0f, 0.0f, 0.0f); + fColor = SampleHistory(FfxFloat32x2(samples.UV[0])) * samples.Weight[0]; +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + FFXM_MIN16_F4 fDeringingMin = fColor; + FFXM_MIN16_F4 fDeringingMax = fColor; +#endif + for(FfxInt32 iSampleIndex = 1; iSampleIndex < ARM_CATMULL_5TAP_SAMPLE_COUNT; iSampleIndex++) + { + FFXM_MIN16_F4 fSample = SampleHistory(FfxFloat32x2(samples.UV[iSampleIndex])) * samples.Weight[iSampleIndex]; + fColor += fSample; +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + fDeringingMin = ffxMin(fDeringingMin, fSample); + fDeringingMax = ffxMax(fDeringingMax, fSample); +#endif + } + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + fColor = clamp(fColor, fDeringingMin, fDeringingMax); +#endif + return fColor; +} +#elif (FFXM_FSR2_REPROJECT_MODE == FFXM_FSR2_REPROJECT_LANCZOS_APPROX_9TAP) + +Fetched9TapSamplesMin16 FetchHistorySamples(FfxInt32x2 iPxSample, FfxInt32x2 iTextureSize) +{ + Fetched9TapSamplesMin16 Samples; + FfxFloat32x2 iSrcInputUv = FfxFloat32x2(iPxSample) / FfxFloat32x2(iTextureSize); + FfxFloat32x2 unitOffsetUv = FfxFloat32x2(1.0f, 1.0f) / FfxFloat32x2(iTextureSize); + + // Collect samples + GatherHistoryColorRGBQuad(FfxFloat32x2(-0.5, -0.5) * unitOffsetUv + iSrcInputUv, + Samples.fColor00, Samples.fColor10, Samples.fColor01, Samples.fColor11); + Samples.fColor20 = WrapHistory(FfxFloat32x2(1, -1) + iPxSample); + Samples.fColor21 = WrapHistory(FfxFloat32x2(1, 0) + iPxSample); + Samples.fColor02 = WrapHistory(FfxFloat32x2(-1, 1) + iPxSample); + Samples.fColor12 = WrapHistory(FfxFloat32x2(0, 1) + iPxSample); + Samples.fColor22 = WrapHistory(FfxFloat32x2(1, 1) + iPxSample); + + return Samples; +} +//DeclareCustomFetch9TapSamplesMin16(FetchHistorySamples, WrapHistory) +DeclareCustomTextureSampleMin16(HistorySample, Lanczos2Approx, FetchHistorySamples) +#endif // FFXM_FSR2_REPROJECT_MODE + +#else // !FFXM_HALF + +#ifndef FFXM_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE +#define FFXM_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE 0 // Reference +#endif +DeclareCustomFetchBicubicSamples(FetchHistorySamples, WrapHistory) +DeclareCustomTextureSample(HistorySample, FFXM_FSR2_GET_LANCZOS_SAMPLER1D(FFXM_FSR2_OPTION_REPROJECT_USE_LANCZOS_TYPE), FetchHistorySamples) +#endif + +FfxFloat32x4 WrapLockStatus(FfxInt32x2 iPxSample) +{ + FfxFloat32x4 fSample = FfxFloat32x4(LoadLockStatus(iPxSample), 0.0f, 0.0f); + return fSample; +} + +#if FFXM_HALF +FFXM_MIN16_F4 WrapLockStatus(FFXM_MIN16_I2 iPxSample) +{ + FFXM_MIN16_F4 fSample = FFXM_MIN16_F4(LoadLockStatus(iPxSample), 0.0, 0.0); + + return fSample; +} +#endif + +#if FFXM_HALF +DeclareCustomFetchBilinearSamplesMin16(FetchLockStatusSamples, WrapLockStatus) +DeclareCustomTextureSampleMin16(LockStatusSample, Bilinear, FetchLockStatusSamples) +#else +DeclareCustomFetchBilinearSamples(FetchLockStatusSamples, WrapLockStatus) +DeclareCustomTextureSample(LockStatusSample, Bilinear, FetchLockStatusSamples) +#endif + +FfxFloat32x2 GetMotionVector(FfxInt32x2 iPxHrPos, FfxFloat32x2 fHrUv) +{ +#if FFXM_FSR2_OPTION_LOW_RESOLUTION_MOTION_VECTORS + FfxFloat32x2 fDilatedMotionVector = LoadDilatedMotionVector(FfxInt32x2(fHrUv * RenderSize())); +#else + FfxFloat32x2 fDilatedMotionVector = LoadInputMotionVector(iPxHrPos); +#endif + + return fDilatedMotionVector; +} + +FfxBoolean IsUvInside(FfxFloat32x2 fUv) +{ + return (fUv.x >= 0.0f && fUv.x <= 1.0f) && (fUv.y >= 0.0f && fUv.y <= 1.0f); +} + +void ComputeReprojectedUVs(const AccumulationPassCommonParams params, FFXM_PARAMETER_OUT FfxFloat32x2 fReprojectedHrUv, FFXM_PARAMETER_OUT FfxBoolean bIsExistingSample) +{ + fReprojectedHrUv = params.fHrUv + params.fMotionVector; + + bIsExistingSample = IsUvInside(fReprojectedHrUv); +} + +#if !FFXM_HALF +void ReprojectHistoryColor(const AccumulationPassCommonParams params, FFXM_PARAMETER_OUT FfxFloat32x3 fHistoryColor, FFXM_PARAMETER_OUT FfxFloat32 fTemporalReactiveFactor, FFXM_PARAMETER_OUT FfxBoolean bInMotionLastFrame) +{ + FfxFloat32x4 fHistory = HistorySample(params.fReprojectedHrUv, DisplaySize()); + + fHistoryColor = PrepareRgb(fHistory.rgb, Exposure(), PreviousFramePreExposure()); + +#if !FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + fHistoryColor = RGBToYCoCg(fHistoryColor); +#endif + + //Compute temporal reactivity info + fTemporalReactiveFactor = ffxSaturate(abs(fHistory.w)); + bInMotionLastFrame = (fHistory.w < 0.0f); +} + +LockState ReprojectHistoryLockStatus(const AccumulationPassCommonParams params, FFXM_PARAMETER_OUT FfxFloat32x2 fReprojectedLockStatus) +{ + LockState state = { FFXM_FALSE, FFXM_FALSE }; + const FfxFloat32 fNewLockIntensity = LoadRwNewLocks(params.iPxHrPos); + state.NewLock = fNewLockIntensity > (127.0f / 255.0f); + + FfxFloat32 fInPlaceLockLifetime = state.NewLock ? fNewLockIntensity : 0; + + fReprojectedLockStatus = SampleLockStatus(params.fReprojectedHrUv); + + if (fReprojectedLockStatus[LOCK_LIFETIME_REMAINING] != FfxFloat32(0.0f)) { + state.WasLockedPrevFrame = true; + } + + return state; +} +#else //FFXM_HALF + +void ReprojectHistoryColor(const AccumulationPassCommonParams params, FFXM_PARAMETER_OUT FfxFloat16x3 fHistoryColor, FFXM_PARAMETER_OUT FfxFloat16 fTemporalReactiveFactor, FFXM_PARAMETER_OUT FfxBoolean bInMotionLastFrame) +{ + FfxFloat16x4 fHistory = HistorySample(params.fReprojectedHrUv, DisplaySize()); + + fHistoryColor = FfxFloat16x3(PrepareRgb(fHistory.rgb, Exposure(), PreviousFramePreExposure())); + +#if !FFXM_SHADER_QUALITY_OPT_TONEMAPPED_RGB_PREPARED_INPUT_COLOR + fHistoryColor = RGBToYCoCg(fHistoryColor); +#endif + + //Compute temporal reactivity info +#if FFXM_SHADER_QUALITY_OPT_SEPARATE_TEMPORAL_REACTIVE + fTemporalReactiveFactor = FfxFloat16(ffxSaturate(abs(SampleTemporalReactive(params.fReprojectedHrUv)))); +#else + fTemporalReactiveFactor = FfxFloat16(ffxSaturate(abs(fHistory.w))); +#endif + bInMotionLastFrame = (fHistory.w < 0.0f); +} + +LockState ReprojectHistoryLockStatus(const AccumulationPassCommonParams params, FFXM_PARAMETER_OUT FfxFloat16x2 fReprojectedLockStatus) +{ + LockState state = { FFXM_FALSE, FFXM_FALSE }; + const FfxFloat16 fNewLockIntensity = FfxFloat16(LoadRwNewLocks(params.iPxHrPos)); + state.NewLock = fNewLockIntensity > (127.0f / 255.0f); + + FfxFloat16 fInPlaceLockLifetime = state.NewLock ? fNewLockIntensity : FfxFloat16(0); + + fReprojectedLockStatus = FfxFloat16x2(SampleLockStatus(params.fReprojectedHrUv)); + + if (fReprojectedLockStatus[LOCK_LIFETIME_REMAINING] != FfxFloat16(0.0f)) { + state.WasLockedPrevFrame = true; + } + return state; +} + +#endif + +#endif //!defined( FFXM_FSR2_REPROJECT_H ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h.meta new file mode 100644 index 0000000..81fe61c --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: b997a83902840b04fbecef298bd4b620 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h new file mode 100644 index 0000000..fb1fae9 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h @@ -0,0 +1,100 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_RESOURCES_H +#define FFXM_FSR2_RESOURCES_H + +#if defined(FFXM_CPU) || defined(FFXM_GPU) +#define FFXM_FSR2_RESOURCE_IDENTIFIER_NULL 0 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_OPAQUE_ONLY 1 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_COLOR 2 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_MOTION_VECTORS 3 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_DEPTH 4 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_EXPOSURE 5 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_REACTIVE_MASK 6 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INPUT_TRANSPARENCY_AND_COMPOSITION_MASK 7 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_RECONSTRUCTED_PREVIOUS_NEAREST_DEPTH 8 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_DILATED_MOTION_VECTORS 9 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_DILATED_DEPTH 10 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR 11 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS 12 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_NEW_LOCKS 13 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR 14 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LUMA_HISTORY 15 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_DEBUG_OUTPUT 16 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LANCZOS_LUT 17 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SPD_ATOMIC_COUNT 18 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_UPSCALED_OUTPUT 19 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_RCAS_INPUT 20 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS_1 21 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS_2 22 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR_1 23 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR_2 24 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_REACTIVITY 25 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_TRANSPARENCY_AND_COMPOSITION 26 +#define FFXM_FSR2_RESOURCE_IDENTITIER_UPSAMPLE_MAXIMUM_BIAS_LUT 27 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS 28 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE 29 // same as FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_0 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_0 29 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_1 30 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_2 31 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_3 32 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_4 33 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_5 34 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_6 35 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_7 36 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_8 37 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_9 38 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_10 39 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_11 40 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_12 41 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_EXPOSURE 42 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE 43 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_AUTOREACTIVE 44 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_PREVIOUS_DILATED_MOTION_VECTORS 45 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DILATED_MOTION_VECTORS_1 46 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DILATED_MOTION_VECTORS_2 47 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LUMA_HISTORY_1 48 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LUMA_HISTORY_2 49 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_LOCK_INPUT_LUMA 50 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_TEMPORAL_REACTIVE 51 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_TEMPORAL_REACTIVE_1 52 +#define FFXM_FSR2_RESOURCE_IDENTIFIER_INTERNAL_TEMPORAL_REACTIVE_2 53 + +// Shading change detection mip level setting, value must be in the range [FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_0, FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_12] +#define FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_SHADING_CHANGE FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_4 +#define FFXM_FSR2_SHADING_CHANGE_MIP_LEVEL (FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_SHADING_CHANGE - FFXM_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE) + +#define FFXM_FSR2_RESOURCE_IDENTIFIER_COUNT 54 + +#define FFXM_FSR2_CONSTANTBUFFER_IDENTIFIER_FSR2 0 +#define FFXM_FSR2_CONSTANTBUFFER_IDENTIFIER_SPD 1 +#define FFXM_FSR2_CONSTANTBUFFER_IDENTIFIER_RCAS 2 +#define FFXM_FSR2_CONSTANTBUFFER_IDENTIFIER_GENREACTIVE 3 + +#define FFXM_FSR2_AUTOREACTIVEFLAGS_APPLY_TONEMAP 1 +#define FFXM_FSR2_AUTOREACTIVEFLAGS_APPLY_INVERSETONEMAP 2 +#define FFXM_FSR2_AUTOREACTIVEFLAGS_APPLY_THRESHOLD 4 +#define FFXM_FSR2_AUTOREACTIVEFLAGS_USE_COMPONENTS_MAX 8 + +#endif // #if defined(FFXM_CPU) || defined(FFXM_GPU) + +#endif //!defined( FFXM_FSR2_RESOURCES_H ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h.meta new file mode 100644 index 0000000..8141bdd --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 80c7963a01a0e5c4bb69e6b897267a9b +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h new file mode 100644 index 0000000..8c5408f --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h @@ -0,0 +1,699 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_SAMPLE_H +#define FFXM_FSR2_SAMPLE_H + +// suppress warnings +#ifdef FFXM_HLSL +#pragma warning(disable: 4008) // potentially divide by zero +#endif //FFXM_HLSL + +struct FetchedBilinearSamples { + + FfxFloat32x4 fColor00; + FfxFloat32x4 fColor10; + + FfxFloat32x4 fColor01; + FfxFloat32x4 fColor11; +}; + +struct FetchedBicubicSamples { + + FfxFloat32x4 fColor00; + FfxFloat32x4 fColor10; + FfxFloat32x4 fColor20; + FfxFloat32x4 fColor30; + + FfxFloat32x4 fColor01; + FfxFloat32x4 fColor11; + FfxFloat32x4 fColor21; + FfxFloat32x4 fColor31; + + FfxFloat32x4 fColor02; + FfxFloat32x4 fColor12; + FfxFloat32x4 fColor22; + FfxFloat32x4 fColor32; + + FfxFloat32x4 fColor03; + FfxFloat32x4 fColor13; + FfxFloat32x4 fColor23; + FfxFloat32x4 fColor33; +}; + +#if FFXM_HALF +struct FetchedBilinearSamplesMin16 { + + FFXM_MIN16_F4 fColor00; + FFXM_MIN16_F4 fColor10; + + FFXM_MIN16_F4 fColor01; + FFXM_MIN16_F4 fColor11; +}; + +struct FetchedBicubicSamplesMin16 { + + FFXM_MIN16_F4 fColor00; + FFXM_MIN16_F4 fColor10; + FFXM_MIN16_F4 fColor20; + FFXM_MIN16_F4 fColor30; + + FFXM_MIN16_F4 fColor01; + FFXM_MIN16_F4 fColor11; + FFXM_MIN16_F4 fColor21; + FFXM_MIN16_F4 fColor31; + + FFXM_MIN16_F4 fColor02; + FFXM_MIN16_F4 fColor12; + FFXM_MIN16_F4 fColor22; + FFXM_MIN16_F4 fColor32; + + FFXM_MIN16_F4 fColor03; + FFXM_MIN16_F4 fColor13; + FFXM_MIN16_F4 fColor23; + FFXM_MIN16_F4 fColor33; +}; + +struct Fetched9TapSamplesMin16 { + + FFXM_MIN16_F4 fColor00; + FFXM_MIN16_F4 fColor10; + FFXM_MIN16_F4 fColor20; + + FFXM_MIN16_F4 fColor01; + FFXM_MIN16_F4 fColor11; + FFXM_MIN16_F4 fColor21; + + FFXM_MIN16_F4 fColor02; + FFXM_MIN16_F4 fColor12; + FFXM_MIN16_F4 fColor22; +}; + +#else //FFXM_HALF +#define FetchedBicubicSamplesMin16 FetchedBicubicSamples +#define FetchedBilinearSamplesMin16 FetchedBilinearSamples +#endif //FFXM_HALF + +FfxFloat32x4 Linear(FfxFloat32x4 A, FfxFloat32x4 B, FfxFloat32 t) +{ + return A + (B - A) * t; +} + +FfxFloat32x4 Bilinear(FetchedBilinearSamples BilinearSamples, FfxFloat32x2 fPxFrac) +{ + FfxFloat32x4 fColorX0 = Linear(BilinearSamples.fColor00, BilinearSamples.fColor10, fPxFrac.x); + FfxFloat32x4 fColorX1 = Linear(BilinearSamples.fColor01, BilinearSamples.fColor11, fPxFrac.x); + FfxFloat32x4 fColorXY = Linear(fColorX0, fColorX1, fPxFrac.y); + return fColorXY; +} + +#if FFXM_HALF +FFXM_MIN16_F4 Linear(FFXM_MIN16_F4 A, FFXM_MIN16_F4 B, FFXM_MIN16_F t) +{ + return A + (B - A) * t; +} + +FFXM_MIN16_F4 Bilinear(FetchedBilinearSamplesMin16 BilinearSamples, FFXM_MIN16_F2 fPxFrac) +{ + FFXM_MIN16_F4 fColorX0 = Linear(BilinearSamples.fColor00, BilinearSamples.fColor10, fPxFrac.x); + FFXM_MIN16_F4 fColorX1 = Linear(BilinearSamples.fColor01, BilinearSamples.fColor11, fPxFrac.x); + FFXM_MIN16_F4 fColorXY = Linear(fColorX0, fColorX1, fPxFrac.y); + return fColorXY; +} +#endif + +FfxFloat32 Lanczos2NoClamp(FfxFloat32 x) +{ + const FfxFloat32 PI = 3.141592653589793f; // TODO: share SDK constants + return abs(x) < FSR2_EPSILON ? 1.f : (sin(PI * x) / (PI * x)) * (sin(0.5f * PI * x) / (0.5f * PI * x)); +} + +FfxFloat32 Lanczos2(FfxFloat32 x) +{ + x = ffxMin(abs(x), 2.0f); + return Lanczos2NoClamp(x); +} + +#if FFXM_HALF + +#if 1 +FFXM_MIN16_F Lanczos2NoClamp(FFXM_MIN16_F x) +{ + const FFXM_MIN16_F PI = FFXM_MIN16_F(3.141592653589793f); // TODO: share SDK constants + return abs(x) < FFXM_MIN16_F(FSR2_EPSILON) ? FFXM_MIN16_F(1.f) : (sin(PI * x) / (PI * x)) * (sin(FFXM_MIN16_F(0.5f) * PI * x) / (FFXM_MIN16_F(0.5f) * PI * x)); +} +#endif + +FFXM_MIN16_F Lanczos2(FFXM_MIN16_F x) +{ + x = ffxMin(abs(x), FFXM_MIN16_F(2.0f)); + return FFXM_MIN16_F(Lanczos2NoClamp(x)); +} +#endif //FFXM_HALF + +// FSR1 lanczos approximation. Input is x*x and must be <= 4. +FfxFloat32 Lanczos2ApproxSqNoClamp(FfxFloat32 x2) +{ + FfxFloat32 a = (2.0f / 5.0f) * x2 - 1; + FfxFloat32 b = (1.0f / 4.0f) * x2 - 1; + return ((25.0f / 16.0f) * a * a - (25.0f / 16.0f - 1)) * (b * b); +} + +#if FFXM_HALF +FFXM_MIN16_F Lanczos2ApproxSqNoClamp(FFXM_MIN16_F x2) +{ + FFXM_MIN16_F a = FFXM_MIN16_F(2.0f / 5.0f) * x2 - FFXM_MIN16_F(1); + FFXM_MIN16_F b = FFXM_MIN16_F(1.0f / 4.0f) * x2 - FFXM_MIN16_F(1); + return (FFXM_MIN16_F(25.0f / 16.0f) * a * a - FFXM_MIN16_F(25.0f / 16.0f - 1)) * (b * b); +} +#endif //FFXM_HALF + +FfxFloat32 Lanczos2ApproxSq(FfxFloat32 x2) +{ + x2 = ffxMin(x2, 4.0f); + return Lanczos2ApproxSqNoClamp(x2); +} + +#if FFXM_HALF +FFXM_MIN16_F Lanczos2ApproxSq(FFXM_MIN16_F x2) +{ + x2 = ffxMin(x2, FFXM_MIN16_F(4.0f)); + return Lanczos2ApproxSqNoClamp(x2); +} +#endif //FFXM_HALF + +FfxFloat32 Lanczos2ApproxNoClamp(FfxFloat32 x) +{ + return Lanczos2ApproxSqNoClamp(x * x); +} + +#if FFXM_HALF +FFXM_MIN16_F Lanczos2ApproxNoClamp(FFXM_MIN16_F x) +{ + return Lanczos2ApproxSqNoClamp(x * x); +} +#endif //FFXM_HALF + +FfxFloat32 Lanczos2Approx(FfxFloat32 x) +{ + return Lanczos2ApproxSq(x * x); +} + +#if FFXM_HALF +FFXM_MIN16_F Lanczos2Approx(FFXM_MIN16_F x) +{ + return Lanczos2ApproxSq(x * x); +} +#endif //FFXM_HALF + +FfxFloat32 Lanczos2_UseLUT(FfxFloat32 x) +{ + return SampleLanczos2Weight(abs(x)); +} + +#if FFXM_HALF +FFXM_MIN16_F Lanczos2_UseLUT(FFXM_MIN16_F x) +{ + return FFXM_MIN16_F(SampleLanczos2Weight(abs(x))); +} +#endif //FFXM_HALF + +FfxFloat32x4 Lanczos2_UseLUT(FfxFloat32x4 fColor0, FfxFloat32x4 fColor1, FfxFloat32x4 fColor2, FfxFloat32x4 fColor3, FfxFloat32 t) +{ + FfxFloat32 fWeight0 = Lanczos2_UseLUT(-1.f - t); + FfxFloat32 fWeight1 = Lanczos2_UseLUT(-0.f - t); + FfxFloat32 fWeight2 = Lanczos2_UseLUT(+1.f - t); + FfxFloat32 fWeight3 = Lanczos2_UseLUT(+2.f - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3); +} +#if FFXM_HALF +FFXM_MIN16_F4 Lanczos2_UseLUT(FFXM_MIN16_F4 fColor0, FFXM_MIN16_F4 fColor1, FFXM_MIN16_F4 fColor2, FFXM_MIN16_F4 fColor3, FFXM_MIN16_F t) +{ + FFXM_MIN16_F fWeight0 = Lanczos2_UseLUT(FFXM_MIN16_F(-1.f) - t); + FFXM_MIN16_F fWeight1 = Lanczos2_UseLUT(FFXM_MIN16_F(-0.f) - t); + FFXM_MIN16_F fWeight2 = Lanczos2_UseLUT(FFXM_MIN16_F(+1.f) - t); + FFXM_MIN16_F fWeight3 = Lanczos2_UseLUT(FFXM_MIN16_F(+2.f) - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3); +} +#endif + +FfxFloat32x4 Lanczos2(FfxFloat32x4 fColor0, FfxFloat32x4 fColor1, FfxFloat32x4 fColor2, FfxFloat32x4 fColor3, FfxFloat32 t) +{ + FfxFloat32 fWeight0 = Lanczos2(-1.f - t); + FfxFloat32 fWeight1 = Lanczos2(-0.f - t); + FfxFloat32 fWeight2 = Lanczos2(+1.f - t); + FfxFloat32 fWeight3 = Lanczos2(+2.f - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3); +} + +FfxFloat32x4 Lanczos2(FetchedBicubicSamples Samples, FfxFloat32x2 fPxFrac) +{ + FfxFloat32x4 fColorX0 = Lanczos2(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x); + FfxFloat32x4 fColorX1 = Lanczos2(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x); + FfxFloat32x4 fColorX2 = Lanczos2(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x); + FfxFloat32x4 fColorX3 = Lanczos2(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x); + FfxFloat32x4 fColorXY = Lanczos2(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + + // TODO: only use 4 by checking jitter + const FfxInt32 iDeringingSampleCount = 4; + const FfxFloat32x4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FfxFloat32x4 fDeringingMin = fDeringingSamples[0]; + FfxFloat32x4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) { + + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} + +#if FFXM_HALF +FFXM_MIN16_F4 Lanczos2(FFXM_MIN16_F4 fColor0, FFXM_MIN16_F4 fColor1, FFXM_MIN16_F4 fColor2, FFXM_MIN16_F4 fColor3, FFXM_MIN16_F t) +{ + FFXM_MIN16_F fWeight0 = Lanczos2(FFXM_MIN16_F(-1.f) - t); + FFXM_MIN16_F fWeight1 = Lanczos2(FFXM_MIN16_F(-0.f) - t); + FFXM_MIN16_F fWeight2 = Lanczos2(FFXM_MIN16_F(+1.f) - t); + FFXM_MIN16_F fWeight3 = Lanczos2(FFXM_MIN16_F(+2.f) - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3); +} + +FFXM_MIN16_F4 Lanczos2(FetchedBicubicSamplesMin16 Samples, FFXM_MIN16_F2 fPxFrac) +{ + FFXM_MIN16_F4 fColorX0 = Lanczos2(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x); + FFXM_MIN16_F4 fColorX1 = Lanczos2(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x); + FFXM_MIN16_F4 fColorX2 = Lanczos2(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x); + FFXM_MIN16_F4 fColorX3 = Lanczos2(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x); + FFXM_MIN16_F4 fColorXY = Lanczos2(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + + // TODO: only use 4 by checking jitter + const FfxInt32 iDeringingSampleCount = 4; + const FFXM_MIN16_F4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FFXM_MIN16_F4 fDeringingMin = fDeringingSamples[0]; + FFXM_MIN16_F4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) + { + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} + +FFXM_MIN16_F4 Lanczos2(FFXM_MIN16_F4 fColor0, FFXM_MIN16_F4 fColor1, FFXM_MIN16_F4 fColor2, FFXM_MIN16_F t) +{ + FFXM_MIN16_F fWeight0 = Lanczos2(FFXM_MIN16_F(-1.f) - t); + FFXM_MIN16_F fWeight1 = Lanczos2(FFXM_MIN16_F(-0.f) - t); + FFXM_MIN16_F fWeight2 = Lanczos2(FFXM_MIN16_F(+1.f) - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2) / (fWeight0 + fWeight1 + fWeight2); +} + +FFXM_MIN16_F4 Lanczos2Approx(FFXM_MIN16_F4 fColor0, FFXM_MIN16_F4 fColor1, FFXM_MIN16_F4 fColor2, FFXM_MIN16_F t) +{ + FFXM_MIN16_F fWeight0 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(-1.f) - t); + FFXM_MIN16_F fWeight1 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(-0.f) - t); + FFXM_MIN16_F fWeight2 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(+1.f) - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2) / (fWeight0 + fWeight1 + fWeight2); +} + +FFXM_MIN16_F4 Lanczos2Approx(Fetched9TapSamplesMin16 Samples, FFXM_MIN16_F2 fPxFrac) +{ + FFXM_MIN16_F4 fColorX0 = Lanczos2Approx(Samples.fColor00, Samples.fColor10, Samples.fColor20, fPxFrac.x); + FFXM_MIN16_F4 fColorX1 = Lanczos2Approx(Samples.fColor01, Samples.fColor11, Samples.fColor21, fPxFrac.x); + FFXM_MIN16_F4 fColorX2 = Lanczos2Approx(Samples.fColor02, Samples.fColor12, Samples.fColor22, fPxFrac.x); + FFXM_MIN16_F4 fColorXY = Lanczos2Approx(fColorX0, fColorX1, fColorX2, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + const FfxInt32 iDeringingSampleCount = 4; + const FFXM_MIN16_F4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FFXM_MIN16_F4 fDeringingMin = fDeringingSamples[0]; + FFXM_MIN16_F4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) + { + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} + +#endif //FFXM_HALF + + +FfxFloat32x4 Lanczos2LUT(FetchedBicubicSamples Samples, FfxFloat32x2 fPxFrac) +{ + FfxFloat32x4 fColorX0 = Lanczos2_UseLUT(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x); + FfxFloat32x4 fColorX1 = Lanczos2_UseLUT(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x); + FfxFloat32x4 fColorX2 = Lanczos2_UseLUT(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x); + FfxFloat32x4 fColorX3 = Lanczos2_UseLUT(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x); + FfxFloat32x4 fColorXY = Lanczos2_UseLUT(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + + // TODO: only use 4 by checking jitter + const FfxInt32 iDeringingSampleCount = 4; + const FfxFloat32x4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FfxFloat32x4 fDeringingMin = fDeringingSamples[0]; + FfxFloat32x4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) { + + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} + +#if FFXM_HALF +FFXM_MIN16_F4 Lanczos2LUT(FetchedBicubicSamplesMin16 Samples, FFXM_MIN16_F2 fPxFrac) +{ + FFXM_MIN16_F4 fColorX0 = Lanczos2_UseLUT(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x); + FFXM_MIN16_F4 fColorX1 = Lanczos2_UseLUT(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x); + FFXM_MIN16_F4 fColorX2 = Lanczos2_UseLUT(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x); + FFXM_MIN16_F4 fColorX3 = Lanczos2_UseLUT(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x); + FFXM_MIN16_F4 fColorXY = Lanczos2_UseLUT(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + + // TODO: only use 4 by checking jitter + const FfxInt32 iDeringingSampleCount = 4; + const FFXM_MIN16_F4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FFXM_MIN16_F4 fDeringingMin = fDeringingSamples[0]; + FFXM_MIN16_F4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) + { + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} +#endif //FFXM_HALF + + + +FfxFloat32x4 Lanczos2Approx(FfxFloat32x4 fColor0, FfxFloat32x4 fColor1, FfxFloat32x4 fColor2, FfxFloat32x4 fColor3, FfxFloat32 t) +{ + FfxFloat32 fWeight0 = Lanczos2ApproxNoClamp(-1.f - t); + FfxFloat32 fWeight1 = Lanczos2ApproxNoClamp(-0.f - t); + FfxFloat32 fWeight2 = Lanczos2ApproxNoClamp(+1.f - t); + FfxFloat32 fWeight3 = Lanczos2ApproxNoClamp(+2.f - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3); +} + +#if FFXM_HALF +FFXM_MIN16_F4 Lanczos2Approx(FFXM_MIN16_F4 fColor0, FFXM_MIN16_F4 fColor1, FFXM_MIN16_F4 fColor2, FFXM_MIN16_F4 fColor3, FFXM_MIN16_F t) +{ + FFXM_MIN16_F fWeight0 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(-1.f) - t); + FFXM_MIN16_F fWeight1 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(-0.f) - t); + FFXM_MIN16_F fWeight2 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(+1.f) - t); + FFXM_MIN16_F fWeight3 = Lanczos2ApproxNoClamp(FFXM_MIN16_F(+2.f) - t); + return (fWeight0 * fColor0 + fWeight1 * fColor1 + fWeight2 * fColor2 + fWeight3 * fColor3) / (fWeight0 + fWeight1 + fWeight2 + fWeight3); +} +#endif //FFXM_HALF + +FfxFloat32x4 Lanczos2Approx(FetchedBicubicSamples Samples, FfxFloat32x2 fPxFrac) +{ + FfxFloat32x4 fColorX0 = Lanczos2Approx(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x); + FfxFloat32x4 fColorX1 = Lanczos2Approx(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x); + FfxFloat32x4 fColorX2 = Lanczos2Approx(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x); + FfxFloat32x4 fColorX3 = Lanczos2Approx(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x); + FfxFloat32x4 fColorXY = Lanczos2Approx(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + + // TODO: only use 4 by checking jitter + const FfxInt32 iDeringingSampleCount = 4; + const FfxFloat32x4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FfxFloat32x4 fDeringingMin = fDeringingSamples[0]; + FfxFloat32x4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) + { + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} + +#if FFXM_HALF +FFXM_MIN16_F4 Lanczos2Approx(FetchedBicubicSamplesMin16 Samples, FFXM_MIN16_F2 fPxFrac) +{ + FFXM_MIN16_F4 fColorX0 = Lanczos2Approx(Samples.fColor00, Samples.fColor10, Samples.fColor20, Samples.fColor30, fPxFrac.x); + FFXM_MIN16_F4 fColorX1 = Lanczos2Approx(Samples.fColor01, Samples.fColor11, Samples.fColor21, Samples.fColor31, fPxFrac.x); + FFXM_MIN16_F4 fColorX2 = Lanczos2Approx(Samples.fColor02, Samples.fColor12, Samples.fColor22, Samples.fColor32, fPxFrac.x); + FFXM_MIN16_F4 fColorX3 = Lanczos2Approx(Samples.fColor03, Samples.fColor13, Samples.fColor23, Samples.fColor33, fPxFrac.x); + FFXM_MIN16_F4 fColorXY = Lanczos2Approx(fColorX0, fColorX1, fColorX2, fColorX3, fPxFrac.y); + +#if !FFXM_SHADER_QUALITY_OPT_DISABLE_DERINGING + // Deringing + + // TODO: only use 4 by checking jitter + const FfxInt32 iDeringingSampleCount = 4; + const FFXM_MIN16_F4 fDeringingSamples[4] = { + Samples.fColor11, + Samples.fColor21, + Samples.fColor12, + Samples.fColor22, + }; + + FFXM_MIN16_F4 fDeringingMin = fDeringingSamples[0]; + FFXM_MIN16_F4 fDeringingMax = fDeringingSamples[0]; + + FFXM_UNROLL + for (FfxInt32 iSampleIndex = 1; iSampleIndex < iDeringingSampleCount; ++iSampleIndex) + { + fDeringingMin = ffxMin(fDeringingMin, fDeringingSamples[iSampleIndex]); + fDeringingMax = ffxMax(fDeringingMax, fDeringingSamples[iSampleIndex]); + } + + fColorXY = clamp(fColorXY, fDeringingMin, fDeringingMax); +#endif + return fColorXY; +} +#endif + +// Clamp by offset direction. Assuming iPxSample is already in range and iPxOffset is compile time constant. +FfxInt32x2 ClampCoord(FfxInt32x2 iPxSample, FfxInt32x2 iPxOffset, FfxInt32x2 iTextureSize) +{ + FfxInt32x2 result = iPxSample + iPxOffset; + result.x = (iPxOffset.x < 0) ? ffxMax(result.x, 0) : result.x; + result.x = (iPxOffset.x > 0) ? ffxMin(result.x, iTextureSize.x - 1) : result.x; + result.y = (iPxOffset.y < 0) ? ffxMax(result.y, 0) : result.y; + result.y = (iPxOffset.y > 0) ? ffxMin(result.y, iTextureSize.y - 1) : result.y; + return result; +} +#if FFXM_HALF +FFXM_MIN16_I2 ClampCoord(FFXM_MIN16_I2 iPxSample, FFXM_MIN16_I2 iPxOffset, FFXM_MIN16_I2 iTextureSize) +{ + FFXM_MIN16_I2 result = iPxSample + iPxOffset; + result.x = (iPxOffset.x < FFXM_MIN16_I(0)) ? ffxMax(result.x, FFXM_MIN16_I(0)) : result.x; + result.x = (iPxOffset.x > FFXM_MIN16_I(0)) ? ffxMin(result.x, iTextureSize.x - FFXM_MIN16_I(1)) : result.x; + result.y = (iPxOffset.y < FFXM_MIN16_I(0)) ? ffxMax(result.y, FFXM_MIN16_I(0)) : result.y; + result.y = (iPxOffset.y > FFXM_MIN16_I(0)) ? ffxMin(result.y, iTextureSize.y - FFXM_MIN16_I(1)) : result.y; + return result; +} +#endif //FFXM_HALF + + +#define DeclareCustomFetchBicubicSamplesWithType(SampleType, TextureType, AddrType, Name, LoadTexture) \ + SampleType Name(AddrType iPxSample, AddrType iTextureSize) \ + { \ + SampleType Samples; \ + \ + Samples.fColor00 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, -1), iTextureSize))); \ + Samples.fColor10 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, -1), iTextureSize))); \ + Samples.fColor20 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, -1), iTextureSize))); \ + Samples.fColor30 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, -1), iTextureSize))); \ + \ + Samples.fColor01 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +0), iTextureSize))); \ + Samples.fColor11 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +0), iTextureSize))); \ + Samples.fColor21 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +0), iTextureSize))); \ + Samples.fColor31 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, +0), iTextureSize))); \ + \ + Samples.fColor02 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +1), iTextureSize))); \ + Samples.fColor12 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +1), iTextureSize))); \ + Samples.fColor22 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +1), iTextureSize))); \ + Samples.fColor32 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, +1), iTextureSize))); \ + \ + Samples.fColor03 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +2), iTextureSize))); \ + Samples.fColor13 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +2), iTextureSize))); \ + Samples.fColor23 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +2), iTextureSize))); \ + Samples.fColor33 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+2, +2), iTextureSize))); \ + \ + return Samples; \ + } + +#define DeclareCustomFetch9TapSamplesWithType(SampleType, TextureType, AddrType, Name, LoadTexture) \ + SampleType Name(AddrType iPxSample, AddrType iTextureSize) \ + { \ + SampleType Samples; \ + \ + Samples.fColor00 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, -1), iTextureSize))); \ + Samples.fColor10 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, -1), iTextureSize))); \ + Samples.fColor20 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, -1), iTextureSize))); \ + \ + Samples.fColor01 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +0), iTextureSize))); \ + Samples.fColor11 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +0), iTextureSize))); \ + Samples.fColor21 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +0), iTextureSize))); \ + \ + Samples.fColor02 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(-1, +1), iTextureSize))); \ + Samples.fColor12 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +1), iTextureSize))); \ + Samples.fColor22 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +1), iTextureSize))); \ + \ + return Samples; \ + } + +#define DeclareCustomFetchBicubicSamples(Name, LoadTexture) \ + DeclareCustomFetchBicubicSamplesWithType(FetchedBicubicSamples, FfxFloat32x4, FfxInt32x2, Name, LoadTexture) + +#define DeclareCustomFetchBicubicSamplesMin16(Name, LoadTexture) \ + DeclareCustomFetchBicubicSamplesWithType(FetchedBicubicSamplesMin16, FFXM_MIN16_F4, FfxInt32x2, Name, LoadTexture) + +#define DeclareCustomFetch9TapSamplesMin16(Name, LoadTexture) \ + DeclareCustomFetch9TapSamplesWithType(Fetched9TapSamplesMin16, FFXM_MIN16_F4, FfxInt32x2, Name, LoadTexture) + +#define DeclareCustomFetchBilinearSamplesWithType(SampleType, TextureType,AddrType, Name, LoadTexture) \ + SampleType Name(AddrType iPxSample, AddrType iTextureSize) \ + { \ + SampleType Samples; \ + Samples.fColor00 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +0), iTextureSize))); \ + Samples.fColor10 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +0), iTextureSize))); \ + Samples.fColor01 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+0, +1), iTextureSize))); \ + Samples.fColor11 = TextureType(LoadTexture(ClampCoord(iPxSample, AddrType(+1, +1), iTextureSize))); \ + return Samples; \ + } + +#define DeclareCustomFetchBilinearSamples(Name, LoadTexture) \ + DeclareCustomFetchBilinearSamplesWithType(FetchedBilinearSamples, FfxFloat32x4, FfxInt32x2, Name, LoadTexture) + +#define DeclareCustomFetchBilinearSamplesMin16(Name, LoadTexture) \ + DeclareCustomFetchBilinearSamplesWithType(FetchedBilinearSamplesMin16, FFXM_MIN16_F4, FfxInt32x2, Name, LoadTexture) + +// BE CAREFUL: there is some precision issues and (3253, 125) leading to (3252.9989778, 125.001102) +// is common, so iPxSample can "jitter" +#define DeclareCustomTextureSample(Name, InterpolateSamples, FetchSamples) \ + FfxFloat32x4 Name(FfxFloat32x2 fUvSample, FfxInt32x2 iTextureSize) \ + { \ + FfxFloat32x2 fPxSample = (fUvSample * FfxFloat32x2(iTextureSize)) - FfxFloat32x2(0.5f, 0.5f); \ + /* Clamp base coords */ \ + fPxSample.x = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.x), fPxSample.x)); \ + fPxSample.y = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.y), fPxSample.y)); \ + /* */ \ + FfxInt32x2 iPxSample = FfxInt32x2(floor(fPxSample)); \ + FfxFloat32x2 fPxFrac = ffxFract(fPxSample); \ + FfxFloat32x4 fColorXY = FfxFloat32x4(InterpolateSamples(FetchSamples(iPxSample, iTextureSize), fPxFrac)); \ + return fColorXY; \ + } + +#define DeclareCustomTextureSampleMin16(Name, InterpolateSamples, FetchSamples) \ + FFXM_MIN16_F4 Name(FfxFloat32x2 fUvSample, FfxInt32x2 iTextureSize) \ + { \ + FfxFloat32x2 fPxSample = (fUvSample * FfxFloat32x2(iTextureSize)) - FfxFloat32x2(0.5f, 0.5f); \ + /* Clamp base coords */ \ + fPxSample.x = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.x), fPxSample.x)); \ + fPxSample.y = ffxMax(0.0f, ffxMin(FfxFloat32(iTextureSize.y), fPxSample.y)); \ + /* */ \ + FfxInt32x2 iPxSample = FfxInt32x2(floor(fPxSample)); \ + FFXM_MIN16_F2 fPxFrac = FFXM_MIN16_F2(ffxFract(fPxSample)); \ + FFXM_MIN16_F4 fColorXY = FFXM_MIN16_F4(InterpolateSamples(FetchSamples(iPxSample, iTextureSize), fPxFrac)); \ + return fColorXY; \ + } + +#define FFXM_FSR2_CONCAT_ID(x, y) x ## y +#define FFXM_FSR2_CONCAT(x, y) FFXM_FSR2_CONCAT_ID(x, y) +#define FFXM_FSR2_SAMPLER_1D_0 Lanczos2 +#define FFXM_FSR2_SAMPLER_1D_1 Lanczos2LUT +#define FFXM_FSR2_SAMPLER_1D_2 Lanczos2Approx + +#define FFXM_FSR2_GET_LANCZOS_SAMPLER1D(x) FFXM_FSR2_CONCAT(FFXM_FSR2_SAMPLER_1D_, x) + +#endif //!defined( FFXM_FSR2_SAMPLE_H ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h.meta new file mode 100644 index 0000000..5b81ce7 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: 161ce220c1b38aa41992c3c6e1099300 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_upsample.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_upsample.h new file mode 100644 index 0000000..d41127d --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_upsample.h @@ -0,0 +1,195 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef FFXM_FSR2_UPSAMPLE_H +#define FFXM_FSR2_UPSAMPLE_H + +#define FFXM_FSR2_UPSAMPLE_USE_LANCZOS_9_TAP 0 +#define FFXM_FSR2_UPSAMPLE_USE_LANCZOS_5_TAP 1 + +#if FFXM_SHADER_QUALITY_OPT_UPSCALING_LANCZOS_5TAP +#define FFXM_FSR2_UPSAMPLE_KERNEL FFXM_FSR2_UPSAMPLE_USE_LANCZOS_5_TAP +FFXM_STATIC const FfxInt32 iLanczos2SampleCount = 5; +#else +#define FFXM_FSR2_UPSAMPLE_KERNEL FFXM_FSR2_UPSAMPLE_USE_LANCZOS_9_TAP +FFXM_STATIC const FfxUInt32 iLanczos2SampleCount = 16; +#endif + + +void Deringing(RectificationBox clippingBox, FFXM_PARAMETER_INOUT FfxFloat32x3 fColor) +{ + fColor = clamp(fColor, clippingBox.aabbMin, clippingBox.aabbMax); +} +#if FFXM_HALF +void Deringing(RectificationBoxMin16 clippingBox, FFXM_PARAMETER_INOUT FFXM_MIN16_F3 fColor) +{ + fColor = clamp(fColor, clippingBox.aabbMin, clippingBox.aabbMax); +} +#endif + +FfxFloat32 GetUpsampleLanczosWeight(FfxFloat32x2 fSrcSampleOffset, FfxFloat32 fKernelWeight) +{ + FfxFloat32x2 fSrcSampleOffsetBiased = fSrcSampleOffset * fKernelWeight.xx; + FfxFloat32 fSampleWeight = Lanczos2ApproxSq(dot(fSrcSampleOffsetBiased, fSrcSampleOffsetBiased)); + return fSampleWeight; +} + +#if FFXM_HALF +FFXM_MIN16_F GetUpsampleLanczosWeight(FFXM_MIN16_F2 fSrcSampleOffset, FFXM_MIN16_F fKernelWeight) +{ + FFXM_MIN16_F2 fSrcSampleOffsetBiased = fSrcSampleOffset * fKernelWeight.xx; + FFXM_MIN16_F fSampleWeight = Lanczos2ApproxSq(dot(fSrcSampleOffsetBiased, fSrcSampleOffsetBiased)); + return fSampleWeight; +} +#endif + +FfxFloat32 ComputeMaxKernelWeight() { + const FfxFloat32 fKernelSizeBias = 1.0f; + + FfxFloat32 fKernelWeight = FfxFloat32(1) + (FfxFloat32(1.0f) / FfxFloat32x2(DownscaleFactor()) - FfxFloat32(1)).x * FfxFloat32(fKernelSizeBias); + + return ffxMin(FfxFloat32(1.99f), fKernelWeight); +} + +#if FFXM_HALF +FfxFloat32x4 ComputeUpsampledColorAndWeight(const AccumulationPassCommonParams params, + FFXM_PARAMETER_INOUT RectificationBoxMin16 clippingBox, FfxFloat32 fReactiveFactor) +#else +FfxFloat32x4 ComputeUpsampledColorAndWeight(const AccumulationPassCommonParams params, + FFXM_PARAMETER_INOUT RectificationBox clippingBox, FfxFloat32 fReactiveFactor) +#endif +{ + // We compute a sliced lanczos filter with 2 lobes (other slices are accumulated temporaly) + FfxFloat32x2 fDstOutputPos = FfxFloat32x2(params.iPxHrPos) + FFXM_BROADCAST_FLOAT32X2(0.5f); // Destination resolution output pixel center position + FfxFloat32x2 fSrcOutputPos = fDstOutputPos * DownscaleFactor(); // Source resolution output pixel center position + FfxInt32x2 iSrcInputPos = FfxInt32x2(floor(fSrcOutputPos)); // TODO: what about weird upscale factors... + + FfxFloat32x2 fSrcUnjitteredPos = (FfxFloat32x2(iSrcInputPos) + FfxFloat32x2(0.5f, 0.5f)) - Jitter(); // This is the un-jittered position of the sample at offset 0,0 + + FfxFloat32x2 iSrcInputUv = FfxFloat32x2(fSrcOutputPos) / FfxFloat32x2(RenderSize()); + FfxFloat32x2 unitOffsetUv = FfxFloat32x2(1.0f, 1.0f) / FfxFloat32x2(RenderSize()); + + FFXM_MIN16_F4 fColorAndWeight = FFXM_MIN16_F4(0.0f, 0.0f, 0.0f, 0.0f); + + FFXM_MIN16_F2 fBaseSampleOffset = FFXM_MIN16_F2(fSrcUnjitteredPos - fSrcOutputPos); + + // Identify how much of each upsampled color to be used for this frame + const FFXM_MIN16_F fKernelReactiveFactor = FFXM_MIN16_F(ffxMax(fReactiveFactor, FfxFloat32(params.bIsNewSample))); + const FFXM_MIN16_F fKernelBiasMax = FFXM_MIN16_F(ComputeMaxKernelWeight() * (1.0f - fKernelReactiveFactor)); + + const FFXM_MIN16_F fKernelBiasMin = FFXM_MIN16_F(ffxMax(1.0f, ((1.0f + fKernelBiasMax) * 0.3f))); + const FFXM_MIN16_F fKernelBiasFactor = FFXM_MIN16_F(ffxMax(0.0f, ffxMax(0.25f * params.fDepthClipFactor, fKernelReactiveFactor))); + const FFXM_MIN16_F fKernelBias = ffxLerp(fKernelBiasMax, fKernelBiasMin, fKernelBiasFactor); + + const FFXM_MIN16_F fRectificationCurveBias = FFXM_MIN16_F(ffxLerp(-2.0f, -3.0f, ffxSaturate(params.fHrVelocity / 50.0f))); + + FFXM_MIN16_F2 offsetTL; + offsetTL.x = FFXM_MIN16_F(-1); + offsetTL.y = FFXM_MIN16_F(-1); + + FFXM_MIN16_F2 fOffsetTL = offsetTL; + +#if FFXM_FSR2_UPSAMPLE_KERNEL == FFXM_FSR2_UPSAMPLE_USE_LANCZOS_9_TAP + FFXM_MIN16_F3 fSamples[iLanczos2SampleCount]; + // Collect samples + GatherPreparedInputColorRGBQuad(FfxFloat32x2(-0.5, -0.5) * unitOffsetUv + iSrcInputUv, + fSamples[0], fSamples[1], fSamples[4], fSamples[5]); + fSamples[2] = LoadPreparedInputColor(FfxInt32x2(1, -1) + iSrcInputPos); + fSamples[6] = LoadPreparedInputColor(FfxInt32x2(1, 0) + iSrcInputPos); + fSamples[8] = LoadPreparedInputColor(FfxInt32x2(-1, 1) + iSrcInputPos); + fSamples[9] = LoadPreparedInputColor(FfxInt32x2(0, 1) + iSrcInputPos); + fSamples[10] = LoadPreparedInputColor(FfxInt32x2(1, 1) + iSrcInputPos); + + FFXM_UNROLL + for (FfxInt32 row = 0; row < 3; row++) + { + FFXM_UNROLL + for (FfxInt32 col = 0; col < 3; col++) + { + FfxInt32 iSampleIndex = col + (row << 2); + const FfxInt32x2 sampleColRow = FfxInt32x2(col, row); + const FFXM_MIN16_F2 fOffset = fOffsetTL + FFXM_MIN16_F2(sampleColRow); + FFXM_MIN16_F2 fSrcSampleOffset = fBaseSampleOffset + fOffset; + + FfxInt32x2 iSrcSamplePos = FfxInt32x2(iSrcInputPos) + FfxInt32x2(offsetTL) + sampleColRow; + FFXM_MIN16_F fSampleWeight = FFXM_MIN16_F(GetUpsampleLanczosWeight(fSrcSampleOffset, fKernelBias)); + + fColorAndWeight += FFXM_MIN16_F4(fSamples[iSampleIndex] * fSampleWeight, fSampleWeight); + + // Update rectification box + { + const FFXM_MIN16_F fSrcSampleOffsetSq = dot(fSrcSampleOffset, fSrcSampleOffset); + const FFXM_MIN16_F fBoxSampleWeight = exp(fRectificationCurveBias * fSrcSampleOffsetSq); + + const FfxBoolean bInitialSample = (row == 0) && (col == 0); + RectificationBoxAddSample(bInitialSample, clippingBox, fSamples[iSampleIndex], fBoxSampleWeight); + } + } + } +#elif FFXM_FSR2_UPSAMPLE_KERNEL == FFXM_FSR2_UPSAMPLE_USE_LANCZOS_5_TAP + + FFXM_MIN16_F3 fSamples[iLanczos2SampleCount]; + // Collect samples + FfxInt32x2 rowCol [iLanczos2SampleCount] = {FfxInt32x2(0, -1), FfxInt32x2(-1, 0), FfxInt32x2(0, 0), FfxInt32x2(1, 0), FfxInt32x2(0, 1)}; + fSamples[0] = LoadPreparedInputColor(rowCol[0] + iSrcInputPos); + fSamples[1] = LoadPreparedInputColor(rowCol[1] + iSrcInputPos); + fSamples[2] = LoadPreparedInputColor(rowCol[2] + iSrcInputPos); + fSamples[3] = LoadPreparedInputColor(rowCol[3] + iSrcInputPos); + fSamples[4] = LoadPreparedInputColor(rowCol[4] + iSrcInputPos); + FFXM_UNROLL + for (FfxInt32 idx = 0; idx < iLanczos2SampleCount; idx++) + { + const FfxInt32x2 sampleColRow = rowCol[idx]; + const FFXM_MIN16_F2 fOffset = FFXM_MIN16_F2(sampleColRow); + FFXM_MIN16_F2 fSrcSampleOffset = fBaseSampleOffset + fOffset; + + FfxInt32x2 iSrcSamplePos = FfxInt32x2(iSrcInputPos) + FfxInt32x2(offsetTL) + sampleColRow; + FFXM_MIN16_F fSampleWeight = FFXM_MIN16_F(GetUpsampleLanczosWeight(fSrcSampleOffset, fKernelBias)); + + fColorAndWeight += FFXM_MIN16_F4(fSamples[idx] * fSampleWeight, fSampleWeight); + + // Update rectification box + { + const FFXM_MIN16_F fSrcSampleOffsetSq = dot(fSrcSampleOffset, fSrcSampleOffset); + const FFXM_MIN16_F fBoxSampleWeight = exp(fRectificationCurveBias * fSrcSampleOffsetSq); + + const FfxBoolean bInitialSample = (idx == 0); + RectificationBoxAddSample(bInitialSample, clippingBox, fSamples[idx], fBoxSampleWeight); + } + } + +#endif + + RectificationBoxComputeVarianceBoxData(clippingBox); + + fColorAndWeight.w *= FFXM_MIN16_F(fColorAndWeight.w > FSR2_EPSILON); + + if (fColorAndWeight.w > FSR2_EPSILON) { + // Normalize for deringing (we need to compare colors) + fColorAndWeight.xyz = fColorAndWeight.xyz / fColorAndWeight.w; + fColorAndWeight.w = FFXM_MIN16_F(fColorAndWeight.w*fUpsampleLanczosWeightScale); + + Deringing(clippingBox, fColorAndWeight.xyz); + } + return fColorAndWeight; +} + +#endif //!defined( FFXM_FSR2_UPSAMPLE_H ) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_upsample.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_upsample.h.meta new file mode 100644 index 0000000..00d48d1 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_upsample.h.meta @@ -0,0 +1,67 @@ +fileFormatVersion: 2 +guid: adbae71b3f272394a895f14e3c09e3e2 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + DefaultValueInitialized: true + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd.meta new file mode 100644 index 0000000..484847f --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd.meta @@ -0,0 +1,8 @@ +fileFormatVersion: 2 +guid: bc1175974e28a1344bca96b5e00fc1cf +folderAsset: yes +DefaultImporter: + externalObjects: {} + userData: + assetBundleName: + assetBundleVariant: diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd/ffxm_spd.h b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd/ffxm_spd.h new file mode 100644 index 0000000..73b2af0 --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd/ffxm_spd.h @@ -0,0 +1,1013 @@ +// Copyright © 2023 Advanced Micro Devices, Inc. +// Copyright © 2024 Arm Limited. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +/// @defgroup FfxGPUSpd FidelityFX SPD +/// FidelityFX Single Pass Downsampler 2.0 GPU documentation +/// +/// @ingroup FfxGPUEffects + +/// Setup required constant values for SPD (CPU). +/// +/// @param [out] dispatchThreadGroupCountXY CPU side: dispatch thread group count xy. z is number of slices of the input texture +/// @param [out] workGroupOffset GPU side: pass in as constant +/// @param [out] numWorkGroupsAndMips GPU side: pass in as constant +/// @param [in] rectInfo left, top, width, height +/// @param [in] mips optional: if -1, calculate based on rect width and height +/// +/// @ingroup FfxGPUSpd +#if defined(FFXM_CPU) +FFXM_STATIC void ffxSpdSetup(FfxUInt32x2 dispatchThreadGroupCountXY, + FfxUInt32x2 workGroupOffset, + FfxUInt32x2 numWorkGroupsAndMips, + FfxUInt32x4 rectInfo, + FfxInt32 mips) +{ + // determines the offset of the first tile to downsample based on + // left (rectInfo[0]) and top (rectInfo[1]) of the subregion. + workGroupOffset[0] = rectInfo[0] / 64; + workGroupOffset[1] = rectInfo[1] / 64; + + FfxUInt32 endIndexX = (rectInfo[0] + rectInfo[2] - 1) / 64; // rectInfo[0] = left, rectInfo[2] = width + FfxUInt32 endIndexY = (rectInfo[1] + rectInfo[3] - 1) / 64; // rectInfo[1] = top, rectInfo[3] = height + + // we only need to dispatch as many thread groups as tiles we need to downsample + // number of tiles per slice depends on the subregion to downsample + dispatchThreadGroupCountXY[0] = endIndexX + 1 - workGroupOffset[0]; + dispatchThreadGroupCountXY[1] = endIndexY + 1 - workGroupOffset[1]; + + // number of thread groups per slice + numWorkGroupsAndMips[0] = (dispatchThreadGroupCountXY[0]) * (dispatchThreadGroupCountXY[1]); + + if (mips >= 0) + { + numWorkGroupsAndMips[1] = FfxUInt32(mips); + } + else + { + // calculate based on rect width and height + FfxUInt32 resolution = ffxMax(rectInfo[2], rectInfo[3]); + numWorkGroupsAndMips[1] = FfxUInt32((ffxMin(floor(log2(FfxFloat32(resolution))), FfxFloat32(12)))); + } +} + +/// Setup required constant values for SPD (CPU). +/// +/// @param [out] dispatchThreadGroupCountXY CPU side: dispatch thread group count xy. z is number of slices of the input texture +/// @param [out] workGroupOffset GPU side: pass in as constant +/// @param [out] numWorkGroupsAndMips GPU side: pass in as constant +/// @param [in] rectInfo left, top, width, height +/// +/// @ingroup FfxGPUSpd +FFXM_STATIC void ffxSpdSetup(FfxUInt32x2 dispatchThreadGroupCountXY, + FfxUInt32x2 workGroupOffset, + FfxUInt32x2 numWorkGroupsAndMips, + FfxUInt32x4 rectInfo) +{ + ffxSpdSetup(dispatchThreadGroupCountXY, workGroupOffset, numWorkGroupsAndMips, rectInfo, -1); +} +#endif // #if defined(FFXM_CPU) + + +//============================================================================================================================== +// NON-PACKED VERSION +//============================================================================================================================== +#if defined(FFXM_GPU) +#if defined(FFXM_SPD_PACKED_ONLY) +// Avoid compiler errors by including default implementations of these callbacks. +FfxFloat32x4 SpdLoadSourceImage(FfxInt32x2 p, FfxUInt32 slice) +{ + return FfxFloat32x4(0.0, 0.0, 0.0, 0.0); +} + +FfxFloat32x4 SpdLoad(FfxInt32x2 p, FfxUInt32 slice) +{ + return FfxFloat32x4(0.0, 0.0, 0.0, 0.0); +} +void SpdStore(FfxInt32x2 p, FfxFloat32x4 value, FfxUInt32 mip, FfxUInt32 slice) +{ +} +FfxFloat32x4 SpdLoadIntermediate(FfxUInt32 x, FfxUInt32 y) +{ + return FfxFloat32x4(0.0, 0.0, 0.0, 0.0); +} +void SpdStoreIntermediate(FfxUInt32 x, FfxUInt32 y, FfxFloat32x4 value) +{ +} +FfxFloat32x4 SpdReduce4(FfxFloat32x4 v0, FfxFloat32x4 v1, FfxFloat32x4 v2, FfxFloat32x4 v3) +{ + return FfxFloat32x4(0.0, 0.0, 0.0, 0.0); +} +#endif // #if FFXM_SPD_PACKED_ONLY + +//_____________________________________________________________/\_______________________________________________________________ +#if defined(FFXM_GLSL) && !defined(FFXM_SPD_NO_WAVE_OPERATIONS) +#extension GL_KHR_shader_subgroup_quad:require +#endif + +void ffxSpdWorkgroupShuffleBarrier() +{ + FFXM_GROUP_MEMORY_BARRIER(); +} + +// Only last active workgroup should proceed +bool SpdExitWorkgroup(FfxUInt32 numWorkGroups, FfxUInt32 localInvocationIndex, FfxUInt32 slice) +{ + // global atomic counter + if (localInvocationIndex == 0) + { + SpdIncreaseAtomicCounter(slice); + } + + ffxSpdWorkgroupShuffleBarrier(); + return (SpdGetAtomicCounter() != (numWorkGroups - 1)); +} + +// User defined: FfxFloat32x4 SpdReduce4(FfxFloat32x4 v0, FfxFloat32x4 v1, FfxFloat32x4 v2, FfxFloat32x4 v3); +FfxFloat32x4 SpdReduceQuad(FfxFloat32x4 v) +{ +#if defined(FFXM_GLSL) && !defined(FFXM_SPD_NO_WAVE_OPERATIONS) + + FfxFloat32x4 v0 = v; + FfxFloat32x4 v1 = subgroupQuadSwapHorizontal(v); + FfxFloat32x4 v2 = subgroupQuadSwapVertical(v); + FfxFloat32x4 v3 = subgroupQuadSwapDiagonal(v); + return SpdReduce4(v0, v1, v2, v3); + +#elif defined(FFXM_HLSL) && !defined(FFXM_SPD_NO_WAVE_OPERATIONS) + + // requires SM6.0 + FfxFloat32x4 v0 = v; + FfxFloat32x4 v1 = QuadReadAcrossX(v); + FfxFloat32x4 v2 = QuadReadAcrossY(v); + FfxFloat32x4 v3 = QuadReadAcrossDiagonal(v); + return SpdReduce4(v0, v1, v2, v3); +/* + // if SM6.0 is not available, you can use the AMD shader intrinsics + // the AMD shader intrinsics are available in AMD GPU Services (AGS) library: + // https://gpuopen.com/amd-gpu-services-ags-library/ + // works for DX11 + FfxFloat32x4 v0 = v; + FfxFloat32x4 v1; + v1.x = AmdExtD3DShaderIntrinsics_SwizzleF(v.x, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + v1.y = AmdExtD3DShaderIntrinsics_SwizzleF(v.y, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + v1.z = AmdExtD3DShaderIntrinsics_SwizzleF(v.z, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + v1.w = AmdExtD3DShaderIntrinsics_SwizzleF(v.w, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + FfxFloat32x4 v2; + v2.x = AmdExtD3DShaderIntrinsics_SwizzleF(v.x, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + v2.y = AmdExtD3DShaderIntrinsics_SwizzleF(v.y, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + v2.z = AmdExtD3DShaderIntrinsics_SwizzleF(v.z, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + v2.w = AmdExtD3DShaderIntrinsics_SwizzleF(v.w, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + FfxFloat32x4 v3; + v3.x = AmdExtD3DShaderIntrinsics_SwizzleF(v.x, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + v3.y = AmdExtD3DShaderIntrinsics_SwizzleF(v.y, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + v3.z = AmdExtD3DShaderIntrinsics_SwizzleF(v.z, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + v3.w = AmdExtD3DShaderIntrinsics_SwizzleF(v.w, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + return SpdReduce4(v0, v1, v2, v3); + */ +#endif + return v; +} + +FfxFloat32x4 SpdReduceIntermediate(FfxUInt32x2 i0, FfxUInt32x2 i1, FfxUInt32x2 i2, FfxUInt32x2 i3) +{ + FfxFloat32x4 v0 = SpdLoadIntermediate(i0.x, i0.y); + FfxFloat32x4 v1 = SpdLoadIntermediate(i1.x, i1.y); + FfxFloat32x4 v2 = SpdLoadIntermediate(i2.x, i2.y); + FfxFloat32x4 v3 = SpdLoadIntermediate(i3.x, i3.y); + return SpdReduce4(v0, v1, v2, v3); +} + +FfxFloat32x4 SpdReduceLoad4(FfxUInt32x2 i0, FfxUInt32x2 i1, FfxUInt32x2 i2, FfxUInt32x2 i3, FfxUInt32 slice) +{ + FfxFloat32x4 v0 = SpdLoad(FfxInt32x2(i0), slice); + FfxFloat32x4 v1 = SpdLoad(FfxInt32x2(i1), slice); + FfxFloat32x4 v2 = SpdLoad(FfxInt32x2(i2), slice); + FfxFloat32x4 v3 = SpdLoad(FfxInt32x2(i3), slice); + return SpdReduce4(v0, v1, v2, v3); +} + +FfxFloat32x4 SpdReduceLoad4(FfxUInt32x2 base, FfxUInt32 slice) +{ + return SpdReduceLoad4(FfxUInt32x2(base + FfxUInt32x2(0, 0)), FfxUInt32x2(base + FfxUInt32x2(0, 1)), FfxUInt32x2(base + FfxUInt32x2(1, 0)), FfxUInt32x2(base + FfxUInt32x2(1, 1)), slice); +} + +FfxFloat32x4 SpdReduceLoadSourceImage4(FfxUInt32x2 i0, FfxUInt32x2 i1, FfxUInt32x2 i2, FfxUInt32x2 i3, FfxUInt32 slice) +{ + FfxFloat32x4 v0 = SpdLoadSourceImage(FfxInt32x2(i0), slice); + FfxFloat32x4 v1 = SpdLoadSourceImage(FfxInt32x2(i1), slice); + FfxFloat32x4 v2 = SpdLoadSourceImage(FfxInt32x2(i2), slice); + FfxFloat32x4 v3 = SpdLoadSourceImage(FfxInt32x2(i3), slice); + return SpdReduce4(v0, v1, v2, v3); +} + +FfxFloat32x4 SpdReduceLoadSourceImage(FfxUInt32x2 base, FfxUInt32 slice) +{ +#if defined(SPD_LINEAR_SAMPLER) + return SpdLoadSourceImage(FfxInt32x2(base), slice); +#else + return SpdReduceLoadSourceImage4(FfxUInt32x2(base + FfxUInt32x2(0, 0)), FfxUInt32x2(base + FfxUInt32x2(0, 1)), FfxUInt32x2(base + FfxUInt32x2(1, 0)), FfxUInt32x2(base + FfxUInt32x2(1, 1)), slice); +#endif +} + +void SpdDownsampleMips_0_1_Intrinsics(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ + FfxFloat32x4 v[4]; + + FfxInt32x2 tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2); + FfxInt32x2 pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y); + v[0] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[0], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y); + v[1] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[1], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y + 16); + v[2] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[2], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y + 16); + v[3] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[3], 0, slice); + + if (mip <= 1) + return; + + v[0] = SpdReduceQuad(v[0]); + v[1] = SpdReduceQuad(v[1]); + v[2] = SpdReduceQuad(v[2]); + v[3] = SpdReduceQuad(v[3]); + + if ((localInvocationIndex % 4) == 0) + { + SpdStore(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2, y / 2), v[0], 1, slice); + SpdStoreIntermediate(x / 2, y / 2, v[0]); + + SpdStore(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2 + 8, y / 2), v[1], 1, slice); + SpdStoreIntermediate(x / 2 + 8, y / 2, v[1]); + + SpdStore(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2, y / 2 + 8), v[2], 1, slice); + SpdStoreIntermediate(x / 2, y / 2 + 8, v[2]); + + SpdStore(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2 + 8, y / 2 + 8), v[3], 1, slice); + SpdStoreIntermediate(x / 2 + 8, y / 2 + 8, v[3]); + } +} + +void SpdDownsampleMips_0_1_LDS(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ + FfxFloat32x4 v[4]; + + FfxInt32x2 tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2); + FfxInt32x2 pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y); + v[0] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[0], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y); + v[1] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[1], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y + 16); + v[2] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[2], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y + 16); + v[3] = SpdReduceLoadSourceImage(tex, slice); + SpdStore(pix, v[3], 0, slice); + + if (mip <= 1) + return; + + for (FfxUInt32 i = 0; i < 4; i++) + { + SpdStoreIntermediate(x, y, v[i]); + ffxSpdWorkgroupShuffleBarrier(); + if (localInvocationIndex < 64) + { + v[i] = SpdReduceIntermediate(FfxUInt32x2(x * 2 + 0, y * 2 + 0), FfxUInt32x2(x * 2 + 1, y * 2 + 0), FfxUInt32x2(x * 2 + 0, y * 2 + 1), FfxUInt32x2(x * 2 + 1, y * 2 + 1)); + SpdStore(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x + (i % 2) * 8, y + (i / 2) * 8), v[i], 1, slice); + } + ffxSpdWorkgroupShuffleBarrier(); + } + + if (localInvocationIndex < 64) + { + SpdStoreIntermediate(x + 0, y + 0, v[0]); + SpdStoreIntermediate(x + 8, y + 0, v[1]); + SpdStoreIntermediate(x + 0, y + 8, v[2]); + SpdStoreIntermediate(x + 8, y + 8, v[3]); + } +} + +void SpdDownsampleMips_0_1(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + SpdDownsampleMips_0_1_LDS(x, y, workGroupID, localInvocationIndex, mip, slice); +#else + SpdDownsampleMips_0_1_Intrinsics(x, y, workGroupID, localInvocationIndex, mip, slice); +#endif +} + + +void SpdDownsampleMip_2(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 64) + { + FfxFloat32x4 v = SpdReduceIntermediate(FfxUInt32x2(x * 2 + 0, y * 2 + 0), FfxUInt32x2(x * 2 + 1, y * 2 + 0), FfxUInt32x2(x * 2 + 0, y * 2 + 1), FfxUInt32x2(x * 2 + 1, y * 2 + 1)); + SpdStore(FfxInt32x2(workGroupID.xy * 8) + FfxInt32x2(x, y), v, mip, slice); + // store to LDS, try to reduce bank conflicts + // x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 + // ... + // x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 + SpdStoreIntermediate(x * 2 + y % 2, y * 2, v); + } +#else + FfxFloat32x4 v = SpdLoadIntermediate(x, y); + v = SpdReduceQuad(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStore(FfxInt32x2(workGroupID.xy * 8) + FfxInt32x2(x / 2, y / 2), v, mip, slice); + SpdStoreIntermediate(x + (y / 2) % 2, y, v); + } +#endif +} + +void SpdDownsampleMip_3(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 16) + { + // x 0 x 0 + // 0 0 0 0 + // 0 x 0 x + // 0 0 0 0 + FfxFloat32x4 v = + SpdReduceIntermediate(FfxUInt32x2(x * 4 + 0 + 0, y * 4 + 0), FfxUInt32x2(x * 4 + 2 + 0, y * 4 + 0), FfxUInt32x2(x * 4 + 0 + 1, y * 4 + 2), FfxUInt32x2(x * 4 + 2 + 1, y * 4 + 2)); + SpdStore(FfxInt32x2(workGroupID.xy * 4) + FfxInt32x2(x, y), v, mip, slice); + // store to LDS + // x 0 0 0 x 0 0 0 x 0 0 0 x 0 0 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 x 0 0 0 x 0 0 0 x 0 0 0 x 0 0 + // ... + // 0 0 x 0 0 0 x 0 0 0 x 0 0 0 x 0 + // ... + // 0 0 0 x 0 0 0 x 0 0 0 x 0 0 0 x + // ... + SpdStoreIntermediate(x * 4 + y, y * 4, v); + } +#else + if (localInvocationIndex < 64) + { + FfxFloat32x4 v = SpdLoadIntermediate(x * 2 + y % 2, y * 2); + v = SpdReduceQuad(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStore(FfxInt32x2(workGroupID.xy * 4) + FfxInt32x2(x / 2, y / 2), v, mip, slice); + SpdStoreIntermediate(x * 2 + y / 2, y * 2, v); + } + } +#endif +} + +void SpdDownsampleMip_4(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 4) + { + // x 0 0 0 x 0 0 0 + // ... + // 0 x 0 0 0 x 0 0 + FfxFloat32x4 v = SpdReduceIntermediate(FfxUInt32x2(x * 8 + 0 + 0 + y * 2, y * 8 + 0), + FfxUInt32x2(x * 8 + 4 + 0 + y * 2, y * 8 + 0), + FfxUInt32x2(x * 8 + 0 + 1 + y * 2, y * 8 + 4), + FfxUInt32x2(x * 8 + 4 + 1 + y * 2, y * 8 + 4)); + SpdStore(FfxInt32x2(workGroupID.xy * 2) + FfxInt32x2(x, y), v, mip, slice); + // store to LDS + // x x x x 0 ... + // 0 ... + SpdStoreIntermediate(x + y * 2, 0, v); + } +#else + if (localInvocationIndex < 16) + { + FfxFloat32x4 v = SpdLoadIntermediate(x * 4 + y, y * 4); + v = SpdReduceQuad(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStore(FfxInt32x2(workGroupID.xy * 2) + FfxInt32x2(x / 2, y / 2), v, mip, slice); + SpdStoreIntermediate(x / 2 + y, 0, v); + } + } +#endif +} + +void SpdDownsampleMip_5(FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 1) + { + // x x x x 0 ... + // 0 ... + FfxFloat32x4 v = SpdReduceIntermediate(FfxUInt32x2(0, 0), FfxUInt32x2(1, 0), FfxUInt32x2(2, 0), FfxUInt32x2(3, 0)); + SpdStore(FfxInt32x2(workGroupID.xy), v, mip, slice); + } +#else + if (localInvocationIndex < 4) + { + FfxFloat32x4 v = SpdLoadIntermediate(localInvocationIndex, 0); + v = SpdReduceQuad(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStore(FfxInt32x2(workGroupID.xy), v, mip, slice); + } + } +#endif +} + +void SpdDownsampleMips_6_7(FfxUInt32 x, FfxUInt32 y, FfxUInt32 mips, FfxUInt32 slice) +{ + FfxInt32x2 tex = FfxInt32x2(x * 4 + 0, y * 4 + 0); + FfxInt32x2 pix = FfxInt32x2(x * 2 + 0, y * 2 + 0); + FfxFloat32x4 v0 = SpdReduceLoad4(tex, slice); + SpdStore(pix, v0, 6, slice); + + tex = FfxInt32x2(x * 4 + 2, y * 4 + 0); + pix = FfxInt32x2(x * 2 + 1, y * 2 + 0); + FfxFloat32x4 v1 = SpdReduceLoad4(tex, slice); + SpdStore(pix, v1, 6, slice); + + tex = FfxInt32x2(x * 4 + 0, y * 4 + 2); + pix = FfxInt32x2(x * 2 + 0, y * 2 + 1); + FfxFloat32x4 v2 = SpdReduceLoad4(tex, slice); + SpdStore(pix, v2, 6, slice); + + tex = FfxInt32x2(x * 4 + 2, y * 4 + 2); + pix = FfxInt32x2(x * 2 + 1, y * 2 + 1); + FfxFloat32x4 v3 = SpdReduceLoad4(tex, slice); + SpdStore(pix, v3, 6, slice); + + if (mips <= 7) + return; + // no barrier needed, working on values only from the same thread + + FfxFloat32x4 v = SpdReduce4(v0, v1, v2, v3); + SpdStore(FfxInt32x2(x, y), v, 7, slice); + SpdStoreIntermediate(x, y, v); +} + +void SpdDownsampleNextFour(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 baseMip, FfxUInt32 mips, FfxUInt32 slice) +{ + if (mips <= baseMip) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_2(x, y, workGroupID, localInvocationIndex, baseMip, slice); + + if (mips <= baseMip + 1) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_3(x, y, workGroupID, localInvocationIndex, baseMip + 1, slice); + + if (mips <= baseMip + 2) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_4(x, y, workGroupID, localInvocationIndex, baseMip + 2, slice); + + if (mips <= baseMip + 3) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_5(workGroupID, localInvocationIndex, baseMip + 3, slice); +} + +/// Downsamples a 64x64 tile based on the work group id. +/// If after downsampling it's the last active thread group, computes the remaining MIP levels. +/// +/// @param [in] workGroupID index of the work group / thread group +/// @param [in] localInvocationIndex index of the thread within the thread group in 1D +/// @param [in] mips the number of total MIP levels to compute for the input texture +/// @param [in] numWorkGroups the total number of dispatched work groups / thread groups for this slice +/// @param [in] slice the slice of the input texture +/// +/// @ingroup FfxGPUSpd +void SpdDownsample(FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 numWorkGroups, FfxUInt32 slice) +{ + // compute MIP level 0 and 1 + FfxUInt32x2 sub_xy = ffxRemapForWaveReduction(localInvocationIndex % 64); + FfxUInt32 x = sub_xy.x + 8 * ((localInvocationIndex >> 6) % 2); + FfxUInt32 y = sub_xy.y + 8 * ((localInvocationIndex >> 7)); + SpdDownsampleMips_0_1(x, y, workGroupID, localInvocationIndex, mips, slice); + + // compute MIP level 2, 3, 4, 5 + SpdDownsampleNextFour(x, y, workGroupID, localInvocationIndex, 2, mips, slice); + + if (mips <= 6) + return; + + // increase the global atomic counter for the given slice and check if it's the last remaining thread group: + // terminate if not, continue if yes. + if (SpdExitWorkgroup(numWorkGroups, localInvocationIndex, slice)) + return; + + // reset the global atomic counter back to 0 for the next spd dispatch + SpdResetAtomicCounter(slice); + + // After mip 5 there is only a single workgroup left that downsamples the remaining up to 64x64 texels. + // compute MIP level 6 and 7 + SpdDownsampleMips_6_7(x, y, mips, slice); + + // compute MIP level 8, 9, 10, 11 + SpdDownsampleNextFour(x, y, FfxUInt32x2(0, 0), localInvocationIndex, 8, mips, slice); +} +/// Downsamples a 64x64 tile based on the work group id and work group offset. +/// If after downsampling it's the last active thread group, computes the remaining MIP levels. +/// +/// @param [in] workGroupID index of the work group / thread group +/// @param [in] localInvocationIndex index of the thread within the thread group in 1D +/// @param [in] mips the number of total MIP levels to compute for the input texture +/// @param [in] numWorkGroups the total number of dispatched work groups / thread groups for this slice +/// @param [in] slice the slice of the input texture +/// @param [in] workGroupOffset the work group offset. it's (0,0) in case the entire input texture is downsampled. +/// +/// @ingroup FfxGPUSpd +void SpdDownsample(FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 numWorkGroups, FfxUInt32 slice, FfxUInt32x2 workGroupOffset) +{ + SpdDownsample(workGroupID + workGroupOffset, localInvocationIndex, mips, numWorkGroups, slice); +} + +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +//============================================================================================================================== +// PACKED VERSION +//============================================================================================================================== + +#if FFXM_HALF + +#if defined(FFXM_GLSL) +#extension GL_EXT_shader_subgroup_extended_types_float16:require +#endif + +FfxFloat16x4 SpdReduceQuadH(FfxFloat16x4 v) +{ +#if defined(FFXM_GLSL) && !defined(FFXM_SPD_NO_WAVE_OPERATIONS) + FfxFloat16x4 v0 = v; + FfxFloat16x4 v1 = subgroupQuadSwapHorizontal(v); + FfxFloat16x4 v2 = subgroupQuadSwapVertical(v); + FfxFloat16x4 v3 = subgroupQuadSwapDiagonal(v); + return SpdReduce4H(v0, v1, v2, v3); +#elif defined(FFXM_HLSL) && !defined(FFXM_SPD_NO_WAVE_OPERATIONS) + // requires SM6.0 + FfxFloat16x4 v0 = v; + FfxFloat16x4 v1 = QuadReadAcrossX(v); + FfxFloat16x4 v2 = QuadReadAcrossY(v); + FfxFloat16x4 v3 = QuadReadAcrossDiagonal(v); + return SpdReduce4H(v0, v1, v2, v3); +/* + // if SM6.0 is not available, you can use the AMD shader intrinsics + // the AMD shader intrinsics are available in AMD GPU Services (AGS) library: + // https://gpuopen.com/amd-gpu-services-ags-library/ + // works for DX11 + FfxFloat16x4 v0 = v; + FfxFloat16x4 v1; + v1.x = AmdExtD3DShaderIntrinsics_SwizzleF(v.x, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + v1.y = AmdExtD3DShaderIntrinsics_SwizzleF(v.y, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + v1.z = AmdExtD3DShaderIntrinsics_SwizzleF(v.z, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + v1.w = AmdExtD3DShaderIntrinsics_SwizzleF(v.w, AmdExtD3DShaderIntrinsicsSwizzle_SwapX1); + FfxFloat16x4 v2; + v2.x = AmdExtD3DShaderIntrinsics_SwizzleF(v.x, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + v2.y = AmdExtD3DShaderIntrinsics_SwizzleF(v.y, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + v2.z = AmdExtD3DShaderIntrinsics_SwizzleF(v.z, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + v2.w = AmdExtD3DShaderIntrinsics_SwizzleF(v.w, AmdExtD3DShaderIntrinsicsSwizzle_SwapX2); + FfxFloat16x4 v3; + v3.x = AmdExtD3DShaderIntrinsics_SwizzleF(v.x, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + v3.y = AmdExtD3DShaderIntrinsics_SwizzleF(v.y, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + v3.z = AmdExtD3DShaderIntrinsics_SwizzleF(v.z, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + v3.w = AmdExtD3DShaderIntrinsics_SwizzleF(v.w, AmdExtD3DShaderIntrinsicsSwizzle_ReverseX4); + return SpdReduce4H(v0, v1, v2, v3); + */ +#endif + return FfxFloat16x4(0.0, 0.0, 0.0, 0.0); +} + +FfxFloat16x4 SpdReduceIntermediateH(FfxUInt32x2 i0, FfxUInt32x2 i1, FfxUInt32x2 i2, FfxUInt32x2 i3) +{ + FfxFloat16x4 v0 = SpdLoadIntermediateH(i0.x, i0.y); + FfxFloat16x4 v1 = SpdLoadIntermediateH(i1.x, i1.y); + FfxFloat16x4 v2 = SpdLoadIntermediateH(i2.x, i2.y); + FfxFloat16x4 v3 = SpdLoadIntermediateH(i3.x, i3.y); + return SpdReduce4H(v0, v1, v2, v3); +} + +FfxFloat16x4 SpdReduceLoad4H(FfxUInt32x2 i0, FfxUInt32x2 i1, FfxUInt32x2 i2, FfxUInt32x2 i3, FfxUInt32 slice) +{ + FfxFloat16x4 v0 = SpdLoadH(FfxInt32x2(i0), slice); + FfxFloat16x4 v1 = SpdLoadH(FfxInt32x2(i1), slice); + FfxFloat16x4 v2 = SpdLoadH(FfxInt32x2(i2), slice); + FfxFloat16x4 v3 = SpdLoadH(FfxInt32x2(i3), slice); + return SpdReduce4H(v0, v1, v2, v3); +} + +FfxFloat16x4 SpdReduceLoad4H(FfxUInt32x2 base, FfxUInt32 slice) +{ + return SpdReduceLoad4H(FfxUInt32x2(base + FfxUInt32x2(0, 0)), FfxUInt32x2(base + FfxUInt32x2(0, 1)), FfxUInt32x2(base + FfxUInt32x2(1, 0)), FfxUInt32x2(base + FfxUInt32x2(1, 1)), slice); +} + +FfxFloat16x4 SpdReduceLoadSourceImage4H(FfxUInt32x2 i0, FfxUInt32x2 i1, FfxUInt32x2 i2, FfxUInt32x2 i3, FfxUInt32 slice) +{ + FfxFloat16x4 v0 = SpdLoadSourceImageH(FfxInt32x2(i0), slice); + FfxFloat16x4 v1 = SpdLoadSourceImageH(FfxInt32x2(i1), slice); + FfxFloat16x4 v2 = SpdLoadSourceImageH(FfxInt32x2(i2), slice); + FfxFloat16x4 v3 = SpdLoadSourceImageH(FfxInt32x2(i3), slice); + return SpdReduce4H(v0, v1, v2, v3); +} + +FfxFloat16x4 SpdReduceLoadSourceImageH(FfxUInt32x2 base, FfxUInt32 slice) +{ +#if defined(SPD_LINEAR_SAMPLER) + return SpdLoadSourceImageH(FfxInt32x2(base), slice); +#else + return SpdReduceLoadSourceImage4H(FfxUInt32x2(base + FfxUInt32x2(0, 0)), FfxUInt32x2(base + FfxUInt32x2(0, 1)), FfxUInt32x2(base + FfxUInt32x2(1, 0)), FfxUInt32x2(base + FfxUInt32x2(1, 1)), slice); +#endif +} + +void SpdDownsampleMips_0_1_IntrinsicsH(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 slice) +{ + FfxFloat16x4 v[4]; + + FfxInt32x2 tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2); + FfxInt32x2 pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y); + v[0] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[0], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y); + v[1] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[1], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y + 16); + v[2] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[2], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y + 16); + v[3] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[3], 0, slice); + + if (mips <= 1) + return; + + v[0] = SpdReduceQuadH(v[0]); + v[1] = SpdReduceQuadH(v[1]); + v[2] = SpdReduceQuadH(v[2]); + v[3] = SpdReduceQuadH(v[3]); + + if ((localInvocationIndex % 4) == 0) + { + SpdStoreH(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2, y / 2), v[0], 1, slice); + SpdStoreIntermediateH(x / 2, y / 2, v[0]); + + SpdStoreH(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2 + 8, y / 2), v[1], 1, slice); + SpdStoreIntermediateH(x / 2 + 8, y / 2, v[1]); + + SpdStoreH(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2, y / 2 + 8), v[2], 1, slice); + SpdStoreIntermediateH(x / 2, y / 2 + 8, v[2]); + + SpdStoreH(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x / 2 + 8, y / 2 + 8), v[3], 1, slice); + SpdStoreIntermediateH(x / 2 + 8, y / 2 + 8, v[3]); + } +} + +void SpdDownsampleMips_0_1_LDSH(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 slice) +{ + FfxFloat16x4 v[4]; + + FfxInt32x2 tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2); + FfxInt32x2 pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y); + v[0] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[0], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y); + v[1] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[1], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x, y + 16); + v[2] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[2], 0, slice); + + tex = FfxInt32x2(workGroupID.xy * 64) + FfxInt32x2(x * 2 + 32, y * 2 + 32); + pix = FfxInt32x2(workGroupID.xy * 32) + FfxInt32x2(x + 16, y + 16); + v[3] = SpdReduceLoadSourceImageH(tex, slice); + SpdStoreH(pix, v[3], 0, slice); + + if (mips <= 1) + return; + + for (FfxInt32 i = 0; i < 4; i++) + { + SpdStoreIntermediateH(x, y, v[i]); + ffxSpdWorkgroupShuffleBarrier(); + if (localInvocationIndex < 64) + { + v[i] = SpdReduceIntermediateH(FfxUInt32x2(x * 2 + 0, y * 2 + 0), FfxUInt32x2(x * 2 + 1, y * 2 + 0), FfxUInt32x2(x * 2 + 0, y * 2 + 1), FfxUInt32x2(x * 2 + 1, y * 2 + 1)); + SpdStoreH(FfxInt32x2(workGroupID.xy * 16) + FfxInt32x2(x + (i % 2) * 8, y + (i / 2) * 8), v[i], 1, slice); + } + ffxSpdWorkgroupShuffleBarrier(); + } + + if (localInvocationIndex < 64) + { + SpdStoreIntermediateH(x + 0, y + 0, v[0]); + SpdStoreIntermediateH(x + 8, y + 0, v[1]); + SpdStoreIntermediateH(x + 0, y + 8, v[2]); + SpdStoreIntermediateH(x + 8, y + 8, v[3]); + } +} + +void SpdDownsampleMips_0_1H(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + SpdDownsampleMips_0_1_LDSH(x, y, workGroupID, localInvocationIndex, mips, slice); +#else + SpdDownsampleMips_0_1_IntrinsicsH(x, y, workGroupID, localInvocationIndex, mips, slice); +#endif +} + + +void SpdDownsampleMip_2H(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 64) + { + FfxFloat16x4 v = SpdReduceIntermediateH(FfxUInt32x2(x * 2 + 0, y * 2 + 0), FfxUInt32x2(x * 2 + 1, y * 2 + 0), FfxUInt32x2(x * 2 + 0, y * 2 + 1), FfxUInt32x2(x * 2 + 1, y * 2 + 1)); + SpdStoreH(FfxInt32x2(workGroupID.xy * 8) + FfxInt32x2(x, y), v, mip, slice); + // store to LDS, try to reduce bank conflicts + // x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 x + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 + // ... + // x 0 x 0 x 0 x 0 x 0 x 0 x 0 x 0 + SpdStoreIntermediateH(x * 2 + y % 2, y * 2, v); + } +#else + FfxFloat16x4 v = SpdLoadIntermediateH(x, y); + v = SpdReduceQuadH(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStoreH(FfxInt32x2(workGroupID.xy * 8) + FfxInt32x2(x / 2, y / 2), v, mip, slice); + SpdStoreIntermediateH(x + (y / 2) % 2, y, v); + } +#endif +} + +void SpdDownsampleMip_3H(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 16) + { + // x 0 x 0 + // 0 0 0 0 + // 0 x 0 x + // 0 0 0 0 + FfxFloat16x4 v = + SpdReduceIntermediateH(FfxUInt32x2(x * 4 + 0 + 0, y * 4 + 0), FfxUInt32x2(x * 4 + 2 + 0, y * 4 + 0), FfxUInt32x2(x * 4 + 0 + 1, y * 4 + 2), FfxUInt32x2(x * 4 + 2 + 1, y * 4 + 2)); + SpdStoreH(FfxInt32x2(workGroupID.xy * 4) + FfxInt32x2(x, y), v, mip, slice); + // store to LDS + // x 0 0 0 x 0 0 0 x 0 0 0 x 0 0 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 + // 0 x 0 0 0 x 0 0 0 x 0 0 0 x 0 0 + // ... + // 0 0 x 0 0 0 x 0 0 0 x 0 0 0 x 0 + // ... + // 0 0 0 x 0 0 0 x 0 0 0 x 0 0 0 x + // ... + SpdStoreIntermediateH(x * 4 + y, y * 4, v); + } +#else + if (localInvocationIndex < 64) + { + FfxFloat16x4 v = SpdLoadIntermediateH(x * 2 + y % 2, y * 2); + v = SpdReduceQuadH(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStoreH(FfxInt32x2(workGroupID.xy * 4) + FfxInt32x2(x / 2, y / 2), v, mip, slice); + SpdStoreIntermediateH(x * 2 + y / 2, y * 2, v); + } + } +#endif +} + +void SpdDownsampleMip_4H(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 4) + { + // x 0 0 0 x 0 0 0 + // ... + // 0 x 0 0 0 x 0 0 + FfxFloat16x4 v = SpdReduceIntermediateH(FfxUInt32x2(x * 8 + 0 + 0 + y * 2, y * 8 + 0), + FfxUInt32x2(x * 8 + 4 + 0 + y * 2, y * 8 + 0), + FfxUInt32x2(x * 8 + 0 + 1 + y * 2, y * 8 + 4), + FfxUInt32x2(x * 8 + 4 + 1 + y * 2, y * 8 + 4)); + SpdStoreH(FfxInt32x2(workGroupID.xy * 2) + FfxInt32x2(x, y), v, mip, slice); + // store to LDS + // x x x x 0 ... + // 0 ... + SpdStoreIntermediateH(x + y * 2, 0, v); + } +#else + if (localInvocationIndex < 16) + { + FfxFloat16x4 v = SpdLoadIntermediateH(x * 4 + y, y * 4); + v = SpdReduceQuadH(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStoreH(FfxInt32x2(workGroupID.xy * 2) + FfxInt32x2(x / 2, y / 2), v, mip, slice); + SpdStoreIntermediateH(x / 2 + y, 0, v); + } + } +#endif +} + +void SpdDownsampleMip_5H(FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mip, FfxUInt32 slice) +{ +#if defined(FFXM_SPD_NO_WAVE_OPERATIONS) + if (localInvocationIndex < 1) + { + // x x x x 0 ... + // 0 ... + FfxFloat16x4 v = SpdReduceIntermediateH(FfxUInt32x2(0, 0), FfxUInt32x2(1, 0), FfxUInt32x2(2, 0), FfxUInt32x2(3, 0)); + SpdStoreH(FfxInt32x2(workGroupID.xy), v, mip, slice); + } +#else + if (localInvocationIndex < 4) + { + FfxFloat16x4 v = SpdLoadIntermediateH(localInvocationIndex, 0); + v = SpdReduceQuadH(v); + // quad index 0 stores result + if (localInvocationIndex % 4 == 0) + { + SpdStoreH(FfxInt32x2(workGroupID.xy), v, mip, slice); + } + } +#endif +} + +void SpdDownsampleMips_6_7H(FfxUInt32 x, FfxUInt32 y, FfxUInt32 mips, FfxUInt32 slice) +{ + FfxInt32x2 tex = FfxInt32x2(x * 4 + 0, y * 4 + 0); + FfxInt32x2 pix = FfxInt32x2(x * 2 + 0, y * 2 + 0); + FfxFloat16x4 v0 = SpdReduceLoad4H(tex, slice); + SpdStoreH(pix, v0, 6, slice); + + tex = FfxInt32x2(x * 4 + 2, y * 4 + 0); + pix = FfxInt32x2(x * 2 + 1, y * 2 + 0); + FfxFloat16x4 v1 = SpdReduceLoad4H(tex, slice); + SpdStoreH(pix, v1, 6, slice); + + tex = FfxInt32x2(x * 4 + 0, y * 4 + 2); + pix = FfxInt32x2(x * 2 + 0, y * 2 + 1); + FfxFloat16x4 v2 = SpdReduceLoad4H(tex, slice); + SpdStoreH(pix, v2, 6, slice); + + tex = FfxInt32x2(x * 4 + 2, y * 4 + 2); + pix = FfxInt32x2(x * 2 + 1, y * 2 + 1); + FfxFloat16x4 v3 = SpdReduceLoad4H(tex, slice); + SpdStoreH(pix, v3, 6, slice); + + if (mips < 8) + return; + // no barrier needed, working on values only from the same thread + + FfxFloat16x4 v = SpdReduce4H(v0, v1, v2, v3); + SpdStoreH(FfxInt32x2(x, y), v, 7, slice); + SpdStoreIntermediateH(x, y, v); +} + +void SpdDownsampleNextFourH(FfxUInt32 x, FfxUInt32 y, FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 baseMip, FfxUInt32 mips, FfxUInt32 slice) +{ + if (mips <= baseMip) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_2H(x, y, workGroupID, localInvocationIndex, baseMip, slice); + + if (mips <= baseMip + 1) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_3H(x, y, workGroupID, localInvocationIndex, baseMip + 1, slice); + + if (mips <= baseMip + 2) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_4H(x, y, workGroupID, localInvocationIndex, baseMip + 2, slice); + + if (mips <= baseMip + 3) + return; + ffxSpdWorkgroupShuffleBarrier(); + SpdDownsampleMip_5H(workGroupID, localInvocationIndex, baseMip + 3, slice); +} + +/// Downsamples a 64x64 tile based on the work group id and work group offset. +/// If after downsampling it's the last active thread group, computes the remaining MIP levels. +/// Uses half types. +/// +/// @param [in] workGroupID index of the work group / thread group +/// @param [in] localInvocationIndex index of the thread within the thread group in 1D +/// @param [in] mips the number of total MIP levels to compute for the input texture +/// @param [in] numWorkGroups the total number of dispatched work groups / thread groups for this slice +/// @param [in] slice the slice of the input texture +/// +/// @ingroup FfxGPUSpd +void SpdDownsampleH(FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 numWorkGroups, FfxUInt32 slice) +{ + FfxUInt32x2 sub_xy = ffxRemapForWaveReduction(localInvocationIndex % 64); + FfxUInt32 x = sub_xy.x + 8 * ((localInvocationIndex >> 6) % 2); + FfxUInt32 y = sub_xy.y + 8 * ((localInvocationIndex >> 7)); + + // compute MIP level 0 and 1 + SpdDownsampleMips_0_1H(x, y, workGroupID, localInvocationIndex, mips, slice); + + // compute MIP level 2, 3, 4, 5 + SpdDownsampleNextFourH(x, y, workGroupID, localInvocationIndex, 2, mips, slice); + + if (mips < 7) + return; + + // increase the global atomic counter for the given slice and check if it's the last remaining thread group: + // terminate if not, continue if yes. + if (SpdExitWorkgroup(numWorkGroups, localInvocationIndex, slice)) + return; + + // reset the global atomic counter back to 0 for the next spd dispatch + SpdResetAtomicCounter(slice); + + // After mip 5 there is only a single workgroup left that downsamples the remaining up to 64x64 texels. + // compute MIP level 6 and 7 + SpdDownsampleMips_6_7H(x, y, mips, slice); + + // compute MIP level 8, 9, 10, 11 + SpdDownsampleNextFourH(x, y, FfxUInt32x2(0, 0), localInvocationIndex, 8, mips, slice); +} + +/// Downsamples a 64x64 tile based on the work group id and work group offset. +/// If after downsampling it's the last active thread group, computes the remaining MIP levels. +/// Uses half types. +/// +/// @param [in] workGroupID index of the work group / thread group +/// @param [in] localInvocationIndex index of the thread within the thread group in 1D +/// @param [in] mips the number of total MIP levels to compute for the input texture +/// @param [in] numWorkGroups the total number of dispatched work groups / thread groups for this slice +/// @param [in] slice the slice of the input texture +/// @param [in] workGroupOffset the work group offset. it's (0,0) in case the entire input texture is downsampled. +/// +/// @ingroup FfxGPUSpd +void SpdDownsampleH(FfxUInt32x2 workGroupID, FfxUInt32 localInvocationIndex, FfxUInt32 mips, FfxUInt32 numWorkGroups, FfxUInt32 slice, FfxUInt32x2 workGroupOffset) +{ + SpdDownsampleH(workGroupID + workGroupOffset, localInvocationIndex, mips, numWorkGroups, slice); +} + +#endif // #if FFXM_HALF +#endif // #if defined(FFXM_GPU) diff --git a/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd/ffxm_spd.h.meta b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd/ffxm_spd.h.meta new file mode 100644 index 0000000..a2617bf --- /dev/null +++ b/Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/spd/ffxm_spd.h.meta @@ -0,0 +1,76 @@ +fileFormatVersion: 2 +guid: 8e7a668559e3ae0419884ca7d3534a47 +PluginImporter: + externalObjects: {} + serializedVersion: 2 + iconMap: {} + executionOrder: {} + defineConstraints: [] + isPreloaded: 0 + isOverridable: 1 + isExplicitlyReferenced: 0 + validateReferences: 1 + platformData: + - first: + : Any + second: + enabled: 0 + settings: + Exclude Android: 1 + Exclude Editor: 1 + Exclude GameCoreScarlett: 1 + Exclude GameCoreXboxOne: 1 + Exclude Linux64: 1 + Exclude OSXUniversal: 1 + Exclude PS4: 1 + Exclude PS5: 1 + Exclude WebGL: 1 + Exclude Win: 1 + Exclude Win64: 1 + - first: + Android: Android + second: + enabled: 0 + settings: + AndroidSharedLibraryType: Executable + CPU: ARMv7 + - first: + Any: + second: + enabled: 0 + settings: {} + - first: + Editor: Editor + second: + enabled: 0 + settings: + CPU: AnyCPU + DefaultValueInitialized: true + OS: AnyOS + - first: + Standalone: Linux64 + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: OSXUniversal + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win + second: + enabled: 0 + settings: + CPU: None + - first: + Standalone: Win64 + second: + enabled: 0 + settings: + CPU: None + userData: + assetBundleName: + assetBundleVariant: