Imported ARM ASR shader code for HLSL without any modifications

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h

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+// 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 <float, 4, 4>
+#define FfxFloat32Mat3 matrix <float, 3, 3>
+
+/// 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<BaseComponentType##16_t, COL> TypeName;
+#define FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType##16_t, ROW, COL> TypeName;
+
+#define FFXM_16BIT_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType##16_t TypeName;
+#define FFXM_16BIT_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<BaseComponentType##16_t, COL> TypeName;
+#define FFXM_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType##16_t, ROW, COL> 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<min16##BaseComponentType, COL> TypeName;
+#define FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<min16##BaseComponentType, ROW, COL> 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<BaseComponentType, COL> TypeName;
+#define FFXM_MIN16_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType, ROW, COL> TypeName;
+
+#define FFXM_16BIT_SCALAR( TypeName, BaseComponentType )           typedef BaseComponentType TypeName;
+#define FFXM_16BIT_VECTOR( TypeName, BaseComponentType, COL )      typedef vector<BaseComponentType, COL> TypeName;
+#define FFXM_16BIT_MATRIX( TypeName, BaseComponentType, ROW, COL ) typedef matrix<BaseComponentType, ROW, COL> 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

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_common_types.h.meta

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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)

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core.h.meta

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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 <c><i>x</i></c>.
+///
+/// @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 <c><i>mix</i></c> 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 <c><i>x</i></c> and how much of <c><i>y</i></c>.
+///
+/// @returns
+/// A linearly interpolated value between <c><i>x</i></c> and <c><i>y</i></c> according to <c><i>t</i></c>.
+///
+/// @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 <c><i>x</i></c>.
+///
+/// @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 <c><i>x</i></c>.
+///
+/// @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 <c><i>x - floor(x)</i></c>.
+///
+/// @param [in] x               The value to compute the fractional part from.
+///
+/// @returns
+/// The fractional part of <c><i>x</i></c>.
+///
+/// @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 <c><i>x</i></c>.
+///
+/// @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 <c><i>x</i></c>.
+///
+/// @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 <c><i>f</i></c>.
+///
+/// @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 <c><i>value</i></c> 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);
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_cpu.h.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_gpu_common_half.h.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_hlsl.h.meta

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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_core_portability.h.meta

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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl.meta

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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;
+}

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: 
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+  assetBundleVariant: 

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);
+}

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 @@
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+guid: 4670a9ebaa60c3143be978efc227163b
+ShaderIncludeImporter:
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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_depth_clip_pass_fs.hlsl.meta

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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);
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_lock_pass.hlsl.meta

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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_rcas_pass_fs.hlsl.meta

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+guid: 16a306235fdc01044a347f0cb0a9b147
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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl.meta

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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_vs.hlsl.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr1/ffxm_fsr1.h.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2.meta

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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

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_accumulate.h.meta

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Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h

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+// 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)

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_common.h.meta

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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
+}

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 @@
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+  validateReferences: 1
+  platformData:
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+      : Any
+    second:
+      enabled: 0
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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 )

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_depth_clip.h.meta

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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

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_lock.h.meta

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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 )

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_postprocess_lock_status.h.meta

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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;
+}

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_rcas.h.meta

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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 )

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

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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 )

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_reproject.h.meta

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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 )

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_resources.h.meta

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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 )

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/fsr2/ffxm_fsr2_sample.h.meta

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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 )

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