// This file is part of the FidelityFX SDK. // // Copyright (C) 2024 Advanced Micro Devices, Inc. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files(the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and /or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions : // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. #include "ffx_fsr2_resources.h" #if defined(FFX_GPU) #ifdef __hlsl_dx_compiler #pragma dxc diagnostic push #pragma dxc diagnostic ignored "-Wambig-lit-shift" #endif //__hlsl_dx_compiler #include "../ffx_core.h" #ifdef __hlsl_dx_compiler #pragma dxc diagnostic pop #endif //__hlsl_dx_compiler #ifndef FFX_PREFER_WAVE64 #define FFX_PREFER_WAVE64 #endif // #ifndef FFX_PREFER_WAVE64 #pragma warning(disable: 3205) // conversion from larger type to smaller #define DECLARE_SRV_REGISTER(regIndex) t##regIndex #define DECLARE_UAV_REGISTER(regIndex) u##regIndex #define DECLARE_CB_REGISTER(regIndex) b##regIndex #define FFX_FSR2_DECLARE_SRV(regIndex) register(DECLARE_SRV_REGISTER(regIndex)) #define FFX_FSR2_DECLARE_UAV(regIndex) register(DECLARE_UAV_REGISTER(regIndex)) #define FFX_FSR2_DECLARE_CB(regIndex) register(DECLARE_CB_REGISTER(regIndex)) #if defined(FSR2_BIND_CB_FSR2) cbuffer cbFSR2 : FFX_FSR2_DECLARE_CB(FSR2_BIND_CB_FSR2) { FfxInt32x2 iRenderSize; FfxInt32x2 iMaxRenderSize; FfxInt32x2 iDisplaySize; FfxInt32x2 iInputColorResourceDimensions; FfxInt32x2 iLumaMipDimensions; FfxInt32 iLumaMipLevelToUse; FfxInt32 iFrameIndex; FfxFloat32x4 fDeviceToViewDepth; FfxFloat32x2 fJitter; FfxFloat32x2 fMotionVectorScale; FfxFloat32x2 fDownscaleFactor; FfxFloat32x2 fMotionVectorJitterCancellation; FfxFloat32 fPreExposure; FfxFloat32 fPreviousFramePreExposure; FfxFloat32 fTanHalfFOV; FfxFloat32 fJitterSequenceLength; FfxFloat32 fDeltaTime; FfxFloat32 fDynamicResChangeFactor; FfxFloat32 fViewSpaceToMetersFactor; FfxFloat32 fPadding; }; #define FFX_FSR2_CONSTANT_BUFFER_1_SIZE 32 /* Define getter functions in the order they are defined in the CB! */ FfxInt32x2 RenderSize() { return iRenderSize; } FfxInt32x2 MaxRenderSize() { return iMaxRenderSize; } FfxInt32x2 DisplaySize() { return iDisplaySize; } FfxInt32x2 InputColorResourceDimensions() { return iInputColorResourceDimensions; } FfxInt32x2 LumaMipDimensions() { return iLumaMipDimensions; } FfxInt32 LumaMipLevelToUse() { return iLumaMipLevelToUse; } FfxInt32 FrameIndex() { return iFrameIndex; } FfxFloat32x2 Jitter() { return fJitter; } FfxFloat32x4 DeviceToViewSpaceTransformFactors() { return fDeviceToViewDepth; } FfxFloat32x2 MotionVectorScale() { return fMotionVectorScale; } FfxFloat32x2 DownscaleFactor() { return fDownscaleFactor; } FfxFloat32x2 MotionVectorJitterCancellation() { return fMotionVectorJitterCancellation; } FfxFloat32 PreExposure() { return fPreExposure; } FfxFloat32 PreviousFramePreExposure() { return fPreviousFramePreExposure; } FfxFloat32 TanHalfFoV() { return fTanHalfFOV; } FfxFloat32 JitterSequenceLength() { return fJitterSequenceLength; } FfxFloat32 DeltaTime() { return fDeltaTime; } FfxFloat32 DynamicResChangeFactor() { return fDynamicResChangeFactor; } FfxFloat32 ViewSpaceToMetersFactor() { return fViewSpaceToMetersFactor; } #endif // #if defined(FSR2_BIND_CB_FSR2) #define FFX_FSR2_ROOTSIG_STRINGIFY(p) FFX_FSR2_ROOTSIG_STR(p) #define FFX_FSR2_ROOTSIG_STR(p) #p #define FFX_FSR2_ROOTSIG [RootSignature("DescriptorTable(UAV(u0, numDescriptors = " FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ "DescriptorTable(SRV(t0, numDescriptors = " FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ "CBV(b0), " \ "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \ "addressU = TEXTURE_ADDRESS_CLAMP, " \ "addressV = TEXTURE_ADDRESS_CLAMP, " \ "addressW = TEXTURE_ADDRESS_CLAMP, " \ "comparisonFunc = COMPARISON_NEVER, " \ "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \ "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \ "addressU = TEXTURE_ADDRESS_CLAMP, " \ "addressV = TEXTURE_ADDRESS_CLAMP, " \ "addressW = TEXTURE_ADDRESS_CLAMP, " \ "comparisonFunc = COMPARISON_NEVER, " \ "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )] #define FFX_FSR2_CONSTANT_BUFFER_2_SIZE 6 // Number of 32-bit values. This must be kept in sync with max( cbRCAS , cbSPD) size. #define FFX_FSR2_CB2_ROOTSIG [RootSignature("DescriptorTable(UAV(u0, numDescriptors = " FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ "DescriptorTable(SRV(t0, numDescriptors = " FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ "CBV(b0), " \ "CBV(b1), " \ "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \ "addressU = TEXTURE_ADDRESS_CLAMP, " \ "addressV = TEXTURE_ADDRESS_CLAMP, " \ "addressW = TEXTURE_ADDRESS_CLAMP, " \ "comparisonFunc = COMPARISON_NEVER, " \ "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \ "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \ "addressU = TEXTURE_ADDRESS_CLAMP, " \ "addressV = TEXTURE_ADDRESS_CLAMP, " \ "addressW = TEXTURE_ADDRESS_CLAMP, " \ "comparisonFunc = COMPARISON_NEVER, " \ "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )] #define FFX_FSR2_CONSTANT_BUFFER_3_SIZE 4 // Number of 32-bit values. This must be kept in sync with cbGenerateReactive size. #define FFX_FSR2_REACTIVE_ROOTSIG [RootSignature("DescriptorTable(UAV(u0, numDescriptors = " FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ "DescriptorTable(SRV(t0, numDescriptors = " FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_RESOURCE_IDENTIFIER_COUNT) ")), " \ "CBV(b0), " \ "CBV(b1), " \ "StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \ "addressU = TEXTURE_ADDRESS_CLAMP, " \ "addressV = TEXTURE_ADDRESS_CLAMP, " \ "addressW = TEXTURE_ADDRESS_CLAMP, " \ "comparisonFunc = COMPARISON_NEVER, " \ "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \ "StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \ "addressU = TEXTURE_ADDRESS_CLAMP, " \ "addressV = TEXTURE_ADDRESS_CLAMP, " \ "addressW = TEXTURE_ADDRESS_CLAMP, " \ "comparisonFunc = COMPARISON_NEVER, " \ "borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )] #if defined(FFX_FSR2_EMBED_ROOTSIG) #define FFX_FSR2_EMBED_ROOTSIG_CONTENT FFX_FSR2_ROOTSIG #define FFX_FSR2_EMBED_CB2_ROOTSIG_CONTENT FFX_FSR2_CB2_ROOTSIG #define FFX_FSR2_EMBED_ROOTSIG_REACTIVE_CONTENT FFX_FSR2_REACTIVE_ROOTSIG #else #define FFX_FSR2_EMBED_ROOTSIG_CONTENT #define FFX_FSR2_EMBED_CB2_ROOTSIG_CONTENT #define FFX_FSR2_EMBED_ROOTSIG_REACTIVE_CONTENT #endif // #if FFX_FSR2_EMBED_ROOTSIG #if defined(FSR2_BIND_CB_AUTOREACTIVE) cbuffer cbGenerateReactive : FFX_FSR2_DECLARE_CB(FSR2_BIND_CB_AUTOREACTIVE) { FfxFloat32 fTcThreshold; // 0.1 is a good starting value, lower will result in more TC pixels FfxFloat32 fTcScale; FfxFloat32 fReactiveScale; FfxFloat32 fReactiveMax; }; FfxFloat32 TcThreshold() { return fTcThreshold; } FfxFloat32 TcScale() { return fTcScale; } FfxFloat32 ReactiveScale() { return fReactiveScale; } FfxFloat32 ReactiveMax() { return fReactiveMax; } #endif // #if defined(FSR2_BIND_CB_AUTOREACTIVE) #if defined(FSR2_BIND_CB_RCAS) cbuffer cbRCAS : FFX_FSR2_DECLARE_CB(FSR2_BIND_CB_RCAS) { FfxUInt32x4 rcasConfig; }; FfxUInt32x4 RCASConfig() { return rcasConfig; } #endif // #if defined(FSR2_BIND_CB_RCAS) #if defined(FSR2_BIND_CB_REACTIVE) cbuffer cbGenerateReactive : FFX_FSR2_DECLARE_CB(FSR2_BIND_CB_REACTIVE) { FfxFloat32 gen_reactive_scale; FfxFloat32 gen_reactive_threshold; FfxFloat32 gen_reactive_binaryValue; FfxUInt32 gen_reactive_flags; }; FfxFloat32 GenReactiveScale() { return gen_reactive_scale; } FfxFloat32 GenReactiveThreshold() { return gen_reactive_threshold; } FfxFloat32 GenReactiveBinaryValue() { return gen_reactive_binaryValue; } FfxUInt32 GenReactiveFlags() { return gen_reactive_flags; } #endif // #if defined(FSR2_BIND_CB_REACTIVE) #if defined(FSR2_BIND_CB_SPD) cbuffer cbSPD : FFX_FSR2_DECLARE_CB(FSR2_BIND_CB_SPD) { FfxUInt32 mips; FfxUInt32 numWorkGroups; FfxUInt32x2 workGroupOffset; FfxUInt32x2 renderSize; }; FfxUInt32 MipCount() { return mips; } FfxUInt32 NumWorkGroups() { return numWorkGroups; } FfxUInt32x2 WorkGroupOffset() { return workGroupOffset; } FfxUInt32x2 SPD_RenderSize() { return renderSize; } #endif // #if defined(FSR2_BIND_CB_SPD) // Declare and sample camera buffers as regular textures, unless overridden #if !defined(UNITY_FSR_TEX2D) #define UNITY_FSR_TEX2D(type) Texture2D #endif #if !defined(UNITY_FSR_RWTEX2D) #define UNITY_FSR_RWTEX2D(type) RWTexture2D #endif #if !defined(UNITY_FSR_POS) #define UNITY_FSR_POS(pxPos) (pxPos) #endif #if !defined(UNITY_FSR_UV) #define UNITY_FSR_UV(uv) (uv) #endif SamplerState s_PointClamp : register(s0); SamplerState s_LinearClamp : register(s1); // SRVs #if defined FSR2_BIND_SRV_INPUT_COLOR UNITY_FSR_TEX2D(FfxFloat32x4) r_input_color_jittered : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_COLOR); #endif #if defined FSR2_BIND_SRV_INPUT_OPAQUE_ONLY UNITY_FSR_TEX2D(FfxFloat32x4) r_input_opaque_only : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_OPAQUE_ONLY); #endif #if defined FSR2_BIND_SRV_INPUT_MOTION_VECTORS UNITY_FSR_TEX2D(FfxFloat32x4) r_input_motion_vectors : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_MOTION_VECTORS); #endif #if defined FSR2_BIND_SRV_INPUT_DEPTH UNITY_FSR_TEX2D(FfxFloat32) r_input_depth : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_DEPTH); #endif #if defined FSR2_BIND_SRV_INPUT_EXPOSURE Texture2D r_input_exposure : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_EXPOSURE); #endif #if defined FSR2_BIND_SRV_AUTO_EXPOSURE Texture2D r_auto_exposure : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_AUTO_EXPOSURE); #endif #if defined FSR2_BIND_SRV_REACTIVE_MASK UNITY_FSR_TEX2D(FfxFloat32) r_reactive_mask : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_REACTIVE_MASK); #endif #if defined FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK UNITY_FSR_TEX2D(FfxFloat32) r_transparency_and_composition_mask : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK); #endif #if defined FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH Texture2D r_reconstructed_previous_nearest_depth : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH); #endif #if defined FSR2_BIND_SRV_DILATED_MOTION_VECTORS Texture2D r_dilated_motion_vectors : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_MOTION_VECTORS); #endif #if defined FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS Texture2D r_previous_dilated_motion_vectors : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS); #endif #if defined FSR2_BIND_SRV_DILATED_DEPTH Texture2D r_dilatedDepth : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_DEPTH); #endif #if defined FSR2_BIND_SRV_INTERNAL_UPSCALED Texture2D r_internal_upscaled_color : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INTERNAL_UPSCALED); #endif #if defined FSR2_BIND_SRV_LOCK_STATUS Texture2D r_lock_status : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_STATUS); #endif #if defined FSR2_BIND_SRV_LOCK_INPUT_LUMA Texture2D r_lock_input_luma : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_INPUT_LUMA); #endif #if defined FSR2_BIND_SRV_NEW_LOCKS Texture2D r_new_locks : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_NEW_LOCKS); #endif #if defined FSR2_BIND_SRV_PREPARED_INPUT_COLOR Texture2D r_prepared_input_color : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_PREPARED_INPUT_COLOR); #endif #if defined FSR2_BIND_SRV_LUMA_HISTORY Texture2D r_luma_history : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LUMA_HISTORY); #endif #if defined FSR2_BIND_SRV_RCAS_INPUT Texture2D r_rcas_input : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_RCAS_INPUT); #endif #if defined FSR2_BIND_SRV_LANCZOS_LUT Texture2D r_lanczos_lut : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LANCZOS_LUT); #endif #if defined FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS Texture2D r_imgMips : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS); #endif #if defined FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT Texture2D r_upsample_maximum_bias_lut : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT); #endif #if defined FSR2_BIND_SRV_DILATED_REACTIVE_MASKS Texture2D r_dilated_reactive_masks : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS); #endif #if defined FSR2_BIND_SRV_PREV_PRE_ALPHA_COLOR Texture2D r_input_prev_color_pre_alpha : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR); #endif #if defined FSR2_BIND_SRV_PREV_POST_ALPHA_COLOR Texture2D r_input_prev_color_post_alpha : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR); #endif // UAV declarations #if defined FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH RWTexture2D rw_reconstructed_previous_nearest_depth : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH); #endif #if defined FSR2_BIND_UAV_DILATED_MOTION_VECTORS RWTexture2D rw_dilated_motion_vectors : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_MOTION_VECTORS); #endif #if defined FSR2_BIND_UAV_DILATED_DEPTH RWTexture2D rw_dilatedDepth : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_DEPTH); #endif #if defined FSR2_BIND_UAV_INTERNAL_UPSCALED RWTexture2D rw_internal_upscaled_color : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_INTERNAL_UPSCALED); #endif #if defined FSR2_BIND_UAV_LOCK_STATUS RWTexture2D rw_lock_status : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_STATUS); #endif #if defined FSR2_BIND_UAV_LOCK_INPUT_LUMA RWTexture2D rw_lock_input_luma : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_INPUT_LUMA); #endif #if defined FSR2_BIND_UAV_NEW_LOCKS RWTexture2D rw_new_locks : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_NEW_LOCKS); #endif #if defined FSR2_BIND_UAV_PREPARED_INPUT_COLOR RWTexture2D rw_prepared_input_color : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREPARED_INPUT_COLOR); #endif #if defined FSR2_BIND_UAV_LUMA_HISTORY RWTexture2D rw_luma_history : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LUMA_HISTORY); #endif #if defined FSR2_BIND_UAV_UPSCALED_OUTPUT UNITY_FSR_RWTEX2D(FfxFloat32x4) rw_upscaled_output : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_UPSCALED_OUTPUT); #endif #if defined FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE globallycoherent RWTexture2D rw_img_mip_shading_change : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE); #endif #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 globallycoherent RWTexture2D rw_img_mip_5 : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE_MIP_5); #endif #if defined FSR2_BIND_UAV_DILATED_REACTIVE_MASKS RWTexture2D rw_dilated_reactive_masks : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS); #endif #if defined FSR2_BIND_UAV_EXPOSURE RWTexture2D rw_exposure : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE); #endif #if defined FSR2_BIND_UAV_AUTO_EXPOSURE RWTexture2D rw_auto_exposure : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTO_EXPOSURE); #endif #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC globallycoherent RWTexture2D rw_spd_global_atomic : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC); #endif #if defined FSR2_BIND_UAV_AUTOREACTIVE RWTexture2D rw_output_autoreactive : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTOREACTIVE); #endif #if defined FSR2_BIND_UAV_AUTOCOMPOSITION RWTexture2D rw_output_autocomposition : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTOCOMPOSITION); #endif #if defined FSR2_BIND_UAV_PREV_PRE_ALPHA_COLOR RWTexture2D rw_output_prev_color_pre_alpha : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREV_PRE_ALPHA_COLOR); #endif #if defined FSR2_BIND_UAV_PREV_POST_ALPHA_COLOR RWTexture2D rw_output_prev_color_post_alpha : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREV_POST_ALPHA_COLOR); #endif #if defined(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS) FfxFloat32 LoadMipLuma(FfxUInt32x2 iPxPos, FfxUInt32 mipLevel) { return r_imgMips.mips[mipLevel][iPxPos]; } #endif #if defined(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS) FfxFloat32 SampleMipLuma(FfxFloat32x2 fUV, FfxUInt32 mipLevel) { return r_imgMips.SampleLevel(s_LinearClamp, fUV, mipLevel); } #endif #if defined(FSR2_BIND_SRV_INPUT_DEPTH) FfxFloat32 LoadInputDepth(FfxUInt32x2 iPxPos) { return r_input_depth[UNITY_FSR_POS(iPxPos)]; } #endif #if defined(FSR2_BIND_SRV_INPUT_DEPTH) FfxFloat32 SampleInputDepth(FfxFloat32x2 fUV) { return r_input_depth.SampleLevel(s_LinearClamp, UNITY_FSR_UV(fUV), 0).x; } #endif #if defined(FSR2_BIND_SRV_REACTIVE_MASK) FfxFloat32 LoadReactiveMask(FfxUInt32x2 iPxPos) { return r_reactive_mask[UNITY_FSR_POS(iPxPos)]; } #endif #if defined(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK) FfxFloat32 LoadTransparencyAndCompositionMask(FfxUInt32x2 iPxPos) { return r_transparency_and_composition_mask[UNITY_FSR_POS(iPxPos)]; } #endif #if defined(FSR2_BIND_SRV_INPUT_COLOR) FfxFloat32x3 LoadInputColor(FfxUInt32x2 iPxPos) { return r_input_color_jittered[UNITY_FSR_POS(iPxPos)].rgb; } #endif #if defined(FSR2_BIND_SRV_INPUT_COLOR) FfxFloat32x3 SampleInputColor(FfxFloat32x2 fUV) { return r_input_color_jittered.SampleLevel(s_LinearClamp, UNITY_FSR_UV(fUV), 0).rgb; } #endif #if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) FfxFloat32x3 LoadPreparedInputColor(FfxUInt32x2 iPxPos) { return r_prepared_input_color[iPxPos].xyz; } #endif #if defined(FSR2_BIND_SRV_INPUT_MOTION_VECTORS) FfxFloat32x2 LoadInputMotionVector(FfxUInt32x2 iPxDilatedMotionVectorPos) { FfxFloat32x2 fSrcMotionVector = r_input_motion_vectors[UNITY_FSR_POS(iPxDilatedMotionVectorPos)].xy; FfxFloat32x2 fUvMotionVector = fSrcMotionVector * MotionVectorScale(); #if FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS fUvMotionVector -= MotionVectorJitterCancellation(); #endif return fUvMotionVector; } #endif #if defined(FSR2_BIND_SRV_INTERNAL_UPSCALED) FfxFloat32x4 LoadHistory(FfxUInt32x2 iPxHistory) { return r_internal_upscaled_color[iPxHistory]; } #endif #if defined(FSR2_BIND_UAV_LUMA_HISTORY) void StoreLumaHistory(FfxUInt32x2 iPxPos, FfxFloat32x4 fLumaHistory) { rw_luma_history[iPxPos] = fLumaHistory; } #endif #if defined(FSR2_BIND_SRV_LUMA_HISTORY) FfxFloat32x4 SampleLumaHistory(FfxFloat32x2 fUV) { return r_luma_history.SampleLevel(s_LinearClamp, fUV, 0); } #endif FfxFloat32x4 LoadRCAS_Input(FfxInt32x2 iPxPos) { #if defined(FSR2_BIND_SRV_RCAS_INPUT) return r_rcas_input[iPxPos]; #else return 0.0; #endif } #if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) void StoreReprojectedHistory(FfxUInt32x2 iPxHistory, FfxFloat32x4 fHistory) { rw_internal_upscaled_color[iPxHistory] = fHistory; } #endif #if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) void StoreInternalColorAndWeight(FfxUInt32x2 iPxPos, FfxFloat32x4 fColorAndWeight) { rw_internal_upscaled_color[iPxPos] = fColorAndWeight; } #endif #if defined(FSR2_BIND_UAV_UPSCALED_OUTPUT) void StoreUpscaledOutput(FfxUInt32x2 iPxPos, FfxFloat32x3 fColor) { rw_upscaled_output[UNITY_FSR_POS(iPxPos)] = FfxFloat32x4(fColor, 1.f); } #endif //LOCK_LIFETIME_REMAINING == 0 //Should make LockInitialLifetime() return a const 1.0f later #if defined(FSR2_BIND_SRV_LOCK_STATUS) FfxFloat32x2 LoadLockStatus(FfxUInt32x2 iPxPos) { return r_lock_status[iPxPos]; } #endif #if defined(FSR2_BIND_UAV_LOCK_STATUS) void StoreLockStatus(FfxUInt32x2 iPxPos, FfxFloat32x2 fLockStatus) { rw_lock_status[iPxPos] = fLockStatus; } #endif #if defined(FSR2_BIND_SRV_LOCK_INPUT_LUMA) FfxFloat32 LoadLockInputLuma(FfxUInt32x2 iPxPos) { return r_lock_input_luma[iPxPos]; } #endif #if defined(FSR2_BIND_UAV_LOCK_INPUT_LUMA) void StoreLockInputLuma(FfxUInt32x2 iPxPos, FfxFloat32 fLuma) { rw_lock_input_luma[iPxPos] = fLuma; } #endif #if defined(FSR2_BIND_SRV_NEW_LOCKS) FfxFloat32 LoadNewLocks(FfxUInt32x2 iPxPos) { return r_new_locks[iPxPos]; } #endif #if defined(FSR2_BIND_UAV_NEW_LOCKS) FfxFloat32 LoadRwNewLocks(FfxUInt32x2 iPxPos) { return rw_new_locks[iPxPos]; } #endif #if defined(FSR2_BIND_UAV_NEW_LOCKS) void StoreNewLocks(FfxUInt32x2 iPxPos, FfxFloat32 newLock) { rw_new_locks[iPxPos] = newLock; } #endif #if defined(FSR2_BIND_UAV_PREPARED_INPUT_COLOR) void StorePreparedInputColor(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x4 fTonemapped) { rw_prepared_input_color[iPxPos] = fTonemapped; } #endif #if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) FfxFloat32 SampleDepthClip(FfxFloat32x2 fUV) { return r_prepared_input_color.SampleLevel(s_LinearClamp, fUV, 0).w; } #endif #if defined(FSR2_BIND_SRV_LOCK_STATUS) FfxFloat32x2 SampleLockStatus(FfxFloat32x2 fUV) { FfxFloat32x2 fLockStatus = r_lock_status.SampleLevel(s_LinearClamp, fUV, 0); return fLockStatus; } #endif #if defined(FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH) FfxFloat32 LoadReconstructedPrevDepth(FfxUInt32x2 iPxPos) { return asfloat(r_reconstructed_previous_nearest_depth[iPxPos]); } #endif #if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) void StoreReconstructedDepth(FfxUInt32x2 iPxSample, FfxFloat32 fDepth) { FfxUInt32 uDepth = asuint(fDepth); #if FFX_FSR2_OPTION_INVERTED_DEPTH InterlockedMax(rw_reconstructed_previous_nearest_depth[iPxSample], uDepth); #else InterlockedMin(rw_reconstructed_previous_nearest_depth[iPxSample], uDepth); // min for standard, max for inverted depth #endif } #endif #if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) void SetReconstructedDepth(FfxUInt32x2 iPxSample, const FfxUInt32 uValue) { rw_reconstructed_previous_nearest_depth[iPxSample] = uValue; } #endif #if defined(FSR2_BIND_UAV_DILATED_DEPTH) void StoreDilatedDepth(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32 fDepth) { rw_dilatedDepth[iPxPos] = fDepth; } #endif #if defined(FSR2_BIND_UAV_DILATED_MOTION_VECTORS) void StoreDilatedMotionVector(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x2 fMotionVector) { rw_dilated_motion_vectors[iPxPos] = fMotionVector; } #endif #if defined(FSR2_BIND_SRV_DILATED_MOTION_VECTORS) FfxFloat32x2 LoadDilatedMotionVector(FfxUInt32x2 iPxInput) { return r_dilated_motion_vectors[iPxInput].xy; } #endif #if defined(FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS) FfxFloat32x2 LoadPreviousDilatedMotionVector(FfxUInt32x2 iPxInput) { return r_previous_dilated_motion_vectors[iPxInput].xy; } FfxFloat32x2 SamplePreviousDilatedMotionVector(FfxFloat32x2 uv) { return r_previous_dilated_motion_vectors.SampleLevel(s_LinearClamp, uv, 0).xy; } #endif #if defined(FSR2_BIND_SRV_DILATED_DEPTH) FfxFloat32 LoadDilatedDepth(FfxUInt32x2 iPxInput) { return r_dilatedDepth[iPxInput]; } #endif #if defined(FSR2_BIND_SRV_INPUT_EXPOSURE) FfxFloat32 Exposure() { FfxFloat32 exposure = r_input_exposure[FfxUInt32x2(0, 0)].x; if (exposure == 0.0f) { exposure = 1.0f; } return exposure; } #endif #if defined(FSR2_BIND_SRV_AUTO_EXPOSURE) FfxFloat32 AutoExposure() { FfxFloat32 exposure = r_auto_exposure[FfxUInt32x2(0, 0)].x; if (exposure == 0.0f) { exposure = 1.0f; } return exposure; } #endif FfxFloat32 SampleLanczos2Weight(FfxFloat32 x) { #if defined(FSR2_BIND_SRV_LANCZOS_LUT) return r_lanczos_lut.SampleLevel(s_LinearClamp, FfxFloat32x2(x / 2, 0.5f), 0); #else return 0.f; #endif } #if defined(FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT) FfxFloat32 SampleUpsampleMaximumBias(FfxFloat32x2 uv) { // Stored as a SNORM, so make sure to multiply by 2 to retrieve the actual expected range. return FfxFloat32(2.0) * r_upsample_maximum_bias_lut.SampleLevel(s_LinearClamp, abs(uv) * 2.0, 0); } #endif #if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) FfxFloat32x2 SampleDilatedReactiveMasks(FfxFloat32x2 fUV) { return r_dilated_reactive_masks.SampleLevel(s_LinearClamp, fUV, 0); } #endif #if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) FfxFloat32x2 LoadDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos) { return r_dilated_reactive_masks[iPxPos]; } #endif #if defined(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS) void StoreDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x2 fDilatedReactiveMasks) { rw_dilated_reactive_masks[iPxPos] = fDilatedReactiveMasks; } #endif #if defined(FSR2_BIND_SRV_INPUT_OPAQUE_ONLY) FfxFloat32x3 LoadOpaqueOnly(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos) { return r_input_opaque_only[UNITY_FSR_POS(iPxPos)].xyz; } #endif #if defined(FSR2_BIND_SRV_PREV_PRE_ALPHA_COLOR) FfxFloat32x3 LoadPrevPreAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos) { return r_input_prev_color_pre_alpha[iPxPos]; } #endif #if defined(FSR2_BIND_SRV_PREV_POST_ALPHA_COLOR) FfxFloat32x3 LoadPrevPostAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos) { return r_input_prev_color_post_alpha[iPxPos]; } #endif #if defined(FSR2_BIND_UAV_AUTOREACTIVE) #if defined(FSR2_BIND_UAV_AUTOCOMPOSITION) void StoreAutoReactive(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos, FFX_PARAMETER_IN FFX_MIN16_F2 fReactive) { rw_output_autoreactive[iPxPos] = fReactive.x; rw_output_autocomposition[iPxPos] = fReactive.y; } #endif #endif #if defined(FSR2_BIND_UAV_PREV_PRE_ALPHA_COLOR) void StorePrevPreAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos, FFX_PARAMETER_IN FFX_MIN16_F3 color) { rw_output_prev_color_pre_alpha[iPxPos] = color; } #endif #if defined(FSR2_BIND_UAV_PREV_POST_ALPHA_COLOR) void StorePrevPostAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos, FFX_PARAMETER_IN FFX_MIN16_F3 color) { rw_output_prev_color_post_alpha[iPxPos] = color; } #endif FfxFloat32x2 SPD_LoadExposureBuffer() { #if defined FSR2_BIND_UAV_AUTO_EXPOSURE return rw_auto_exposure[FfxInt32x2(0, 0)]; #else return FfxFloat32x2(0.f, 0.f); #endif // #if defined FSR2_BIND_UAV_AUTO_EXPOSURE } void SPD_SetExposureBuffer(FfxFloat32x2 value) { #if defined FSR2_BIND_UAV_AUTO_EXPOSURE rw_auto_exposure[FfxInt32x2(0, 0)] = value; #endif // #if defined FSR2_BIND_UAV_AUTO_EXPOSURE } FfxFloat32x4 SPD_LoadMipmap5(FfxInt32x2 iPxPos) { #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 return FfxFloat32x4(rw_img_mip_5[iPxPos], 0, 0, 0); #else return FfxFloat32x4(0.f, 0.f, 0.f, 0.f); #endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 } void SPD_SetMipmap(FfxInt32x2 iPxPos, FfxUInt32 slice, FfxFloat32 value) { switch (slice) { case FFX_FSR2_SHADING_CHANGE_MIP_LEVEL: #if defined FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE rw_img_mip_shading_change[iPxPos] = value; #endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE break; case 5: #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 rw_img_mip_5[iPxPos] = value; #endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 break; default: // avoid flattened side effect #if defined(FSR2_BIND_UAV_EXPOSURE_MIP_LUMA_CHANGE) rw_img_mip_shading_change[iPxPos] = rw_img_mip_shading_change[iPxPos]; #elif defined(FSR2_BIND_UAV_EXPOSURE_MIP_5) rw_img_mip_5[iPxPos] = rw_img_mip_5[iPxPos]; #endif // #if defined FSR2_BIND_UAV_EXPOSURE_MIP_5 break; } } void SPD_IncreaseAtomicCounter(inout FfxUInt32 spdCounter) { #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC InterlockedAdd(rw_spd_global_atomic[FfxInt32x2(0, 0)], 1, spdCounter); #endif // #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC } void SPD_ResetAtomicCounter() { #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC rw_spd_global_atomic[FfxInt32x2(0, 0)] = 0; #endif // #if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC } #endif // #if defined(FFX_GPU)