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- Simplified Unity RCAS shader to basically just a few defines and a direct import of the original FSR2 shader code. 

- Implemented 1x1 exposure texture and bound it to the compute shader.
- Implemented RCAS config data set with precomputed values (so we don't have to do any unsafe float-to-int conversions), apply it to a constant buffer, and made sharpness available as a slider in the inspector.
mac-autoexp
Nico de Poel 3 years ago
parent
19d9debdc6
commit
b5f324eb25
9 changed files with 1175 additions and 78 deletions
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  1. 849
      Assets/Resources/Shaders/ffx_fsr2_callbacks_hlsl.h
  2. 27
      Assets/Resources/Shaders/ffx_fsr2_callbacks_hlsl.h.meta
  3. 76
      Assets/Resources/Shaders/ffx_fsr2_rcas_pass.compute
  4. 89
      Assets/Resources/Shaders/ffx_fsr2_rcas_pass.hlsl
  5. 7
      Assets/Resources/Shaders/ffx_fsr2_rcas_pass.hlsl.meta
  6. 88
      Assets/Resources/Shaders/ffx_fsr2_resources.h
  7. 27
      Assets/Resources/Shaders/ffx_fsr2_resources.h.meta
  8. 2
      Assets/Scenes/SampleScene.unity
  9. 88
      Assets/Scripts/FSR2Thing.cs

849
Assets/Resources/Shaders/ffx_fsr2_callbacks_hlsl.h
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@ -0,0 +1,849 @@
// This file is part of the FidelityFX SDK.
//
// Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
//
// 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
#endif // #if defined(FFX_GPU)
#if defined(FFX_GPU)
#ifndef FFX_FSR2_PREFER_WAVE64
#define FFX_FSR2_PREFER_WAVE64
#endif // #if defined(FFX_GPU)
#if defined(FFX_GPU)
#pragma warning(disable: 3205) // conversion from larger type to smaller
#endif // #if defined(FFX_GPU)
#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 uRenderSize;
FfxInt32x2 uDisplaySize;
FfxInt32x2 uLumaMipDimensions;
FfxInt32 uLumaMipLevelToUse;
FfxUInt32 uFrameIndex;
FfxFloat32x2 fDisplaySizeRcp;
FfxFloat32x2 fJitter;
FfxFloat32x4 fDeviceToViewDepth;
FfxFloat32x2 depthclip_uv_scale;
FfxFloat32x2 postprocessed_lockstatus_uv_scale;
FfxFloat32x2 reactive_mask_dim_rcp;
FfxFloat32x2 MotionVectorScale;
FfxFloat32x2 fDownscaleFactor;
FfxFloat32 fPreExposure;
FfxFloat32 fTanHalfFOV;
FfxFloat32x2 fMotionVectorJitterCancellation;
FfxFloat32 fJitterSequenceLength;
FfxFloat32 fLockInitialLifetime;
FfxFloat32 fLockTickDelta;
FfxFloat32 fDeltaTime;
FfxFloat32 fDynamicResChangeFactor;
FfxFloat32 fLumaMipRcp;
#define FFX_FSR2_CONSTANT_BUFFER_1_SIZE 36 // Number of 32-bit values. This must be kept in sync with the cbFSR2 size.
};
#else
#define iRenderSize 0
#define iDisplaySize 0
#define iLumaMipDimensions 0
#define iLumaMipLevelToUse 0
#define iFrameIndex 0
#define fDisplaySizeRcp 0
#define fJitter 0
#define fDeviceToViewDepth FfxFloat32x4(0,0,0,0)
#define depthclip_uv_scale 0
#define postprocessed_lockstatus_uv_scale 0
#define reactive_mask_dim_rcp 0
#define MotionVectorScale 0
#define fDownscaleFactor 0
#define fPreExposure 0
#define fTanHalfFOV 0
#define fMotionVectorJitterCancellation 0
#define fJitterSequenceLength 0
#define fLockInitialLifetime 0
#define fLockTickDelta 0
#define fDeltaTime 0
#define fDynamicResChangeFactor 0
#define fLumaMipRcp 0
#endif
#if defined(FFX_GPU)
#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) ")), " \
"RootConstants(num32BitConstants=" FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_CONSTANT_BUFFER_1_SIZE) ", b0), " \
"StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \
"addressU = TEXTURE_ADDRESS_CLAMP, " \
"addressV = TEXTURE_ADDRESS_CLAMP, " \
"addressW = TEXTURE_ADDRESS_CLAMP, " \
"comparisonFunc = COMPARISON_NEVER, " \
"borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \
"StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \
"addressU = TEXTURE_ADDRESS_CLAMP, " \
"addressV = TEXTURE_ADDRESS_CLAMP, " \
"addressW = TEXTURE_ADDRESS_CLAMP, " \
"comparisonFunc = COMPARISON_NEVER, " \
"borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )]
#define 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) ")), " \
"RootConstants(num32BitConstants=" FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_CONSTANT_BUFFER_1_SIZE) ", b0), " \
"RootConstants(num32BitConstants=" FFX_FSR2_ROOTSIG_STRINGIFY(FFX_FSR2_CONSTANT_BUFFER_2_SIZE) ", b1), " \
"StaticSampler(s0, filter = FILTER_MIN_MAG_MIP_POINT, " \
"addressU = TEXTURE_ADDRESS_CLAMP, " \
"addressV = TEXTURE_ADDRESS_CLAMP, " \
"addressW = TEXTURE_ADDRESS_CLAMP, " \
"comparisonFunc = COMPARISON_NEVER, " \
"borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK), " \
"StaticSampler(s1, filter = FILTER_MIN_MAG_MIP_LINEAR, " \
"addressU = TEXTURE_ADDRESS_CLAMP, " \
"addressV = TEXTURE_ADDRESS_CLAMP, " \
"addressW = TEXTURE_ADDRESS_CLAMP, " \
"comparisonFunc = COMPARISON_NEVER, " \
"borderColor = STATIC_BORDER_COLOR_TRANSPARENT_BLACK)" )]
#if defined(FFX_FSR2_EMBED_ROOTSIG)
#define FFX_FSR2_EMBED_ROOTSIG_CONTENT FFX_FSR2_ROOTSIG
#define FFX_FSR2_EMBED_CB2_ROOTSIG_CONTENT FFX_FSR2_CB2_ROOTSIG
#else
#define FFX_FSR2_EMBED_ROOTSIG_CONTENT
#define FFX_FSR2_EMBED_CB2_ROOTSIG_CONTENT
#endif // #if FFX_FSR2_EMBED_ROOTSIG
#endif // #if defined(FFX_GPU)
FfxFloat32 LumaMipRcp()
{
return fLumaMipRcp;
}
FfxInt32x2 LumaMipDimensions()
{
return uLumaMipDimensions;
}
FfxInt32 LumaMipLevelToUse()
{
return uLumaMipLevelToUse;
}
FfxFloat32x2 DownscaleFactor()
{
return fDownscaleFactor;
}
FfxFloat32x2 Jitter()
{
return fJitter;
}
FfxFloat32x2 MotionVectorJitterCancellation()
{
return fMotionVectorJitterCancellation;
}
FfxInt32x2 RenderSize()
{
return uRenderSize;
}
FfxInt32x2 DisplaySize()
{
return uDisplaySize;
}
FfxFloat32x2 DisplaySizeRcp()
{
return fDisplaySizeRcp;
}
FfxFloat32 JitterSequenceLength()
{
return fJitterSequenceLength;
}
FfxFloat32 LockInitialLifetime()
{
return fLockInitialLifetime;
}
FfxFloat32 LockTickDelta()
{
return fLockTickDelta;
}
FfxFloat32 DeltaTime()
{
return fDeltaTime;
}
FfxFloat32 MaxAccumulationWeight()
{
const FfxFloat32 averageLanczosWeightPerFrame = 0.74f; // Average lanczos weight for jitter accumulated samples
return 12; //32.0f * averageLanczosWeightPerFrame;
}
FfxFloat32 DynamicResChangeFactor()
{
return fDynamicResChangeFactor;
}
FfxUInt32 FrameIndex()
{
return uFrameIndex;
}
SamplerState s_PointClamp : register(s0);
SamplerState s_LinearClamp : register(s1);
// SRVs
#if defined(FFX_INTERNAL)
Texture2D<FfxFloat32x4> r_input_color_jittered : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_COLOR);
Texture2D<FfxFloat32x4> r_motion_vectors : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_MOTION_VECTORS);
Texture2D<FfxFloat32> r_depth : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_DEPTH);
Texture2D<FfxFloat32x2> r_exposure : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_EXPOSURE);
Texture2D<FfxFloat32> r_reactive_mask : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_REACTIVE_MASK);
Texture2D<FfxFloat32> r_transparency_and_composition_mask : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_TRANSPARENCY_AND_COMPOSITION_MASK);
Texture2D<FfxUInt32> r_reconstructed_previous_nearest_depth : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_RECONSTRUCTED_PREVIOUS_NEAREST_DEPTH);
Texture2D<FfxFloat32x2> r_dilated_motion_vectors : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_MOTION_VECTORS);
Texture2D<FfxFloat32> r_dilatedDepth : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_DEPTH);
Texture2D<FfxFloat32x4> r_internal_upscaled_color : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR);
Texture2D<FfxFloat32x3> r_lock_status : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS);
Texture2D<FfxFloat32> r_depth_clip : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DEPTH_CLIP);
Texture2D<unorm FfxFloat32x4> r_prepared_input_color : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR);
Texture2D<unorm FfxFloat32x4> r_luma_history : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_LUMA_HISTORY);
Texture2D<FfxFloat32x4> r_rcas_input : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_RCAS_INPUT);
Texture2D<FfxFloat32> r_lanczos_lut : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_LANCZOS_LUT);
Texture2D<FfxFloat32> r_imgMips : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE);
Texture2D<FfxFloat32> r_upsample_maximum_bias_lut : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTITIER_UPSAMPLE_MAXIMUM_BIAS_LUT);
Texture2D<FfxFloat32x2> r_dilated_reactive_masks : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS);
Texture2D<FfxFloat32x4> r_debug_out : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DEBUG_OUTPUT);
// declarations not current form, no accessor functions
Texture2D<FfxFloat32x4> r_transparency_mask : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_TRANSPARENCY_MASK);
Texture2D<FfxFloat32x4> r_bias_current_color_mask : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_BIAS_CURRENT_COLOR_MASK);
Texture2D<FfxFloat32x4> r_gbuffer_albedo : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_ALBEDO);
Texture2D<FfxFloat32x4> r_gbuffer_roughness : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_ROUGHNESS);
Texture2D<FfxFloat32x4> r_gbuffer_metallic : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_METALLIC);
Texture2D<FfxFloat32x4> r_gbuffer_specular : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_SPECULAR);
Texture2D<FfxFloat32x4> r_gbuffer_subsurface : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_SUBSURFACE);
Texture2D<FfxFloat32x4> r_gbuffer_normals : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_NORMALS);
Texture2D<FfxFloat32x4> r_gbuffer_shading_mode_id : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_SHADING_MODE_ID);
Texture2D<FfxFloat32x4> r_gbuffer_material_id : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_GBUFFER_MATERIAL_ID);
Texture2D<FfxFloat32x4> r_motion_vectors_3d : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_VELOCITY_3D);
Texture2D<FfxFloat32x4> r_is_particle_mask : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_IS_PARTICLE_MASK);
Texture2D<FfxFloat32x4> r_animated_texture_mask : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_ANIMATED_TEXTURE_MASK);
Texture2D<FfxFloat32> r_depth_high_res : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DEPTH_HIGH_RES);
Texture2D<FfxFloat32x4> r_position_view_space : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_POSITION_VIEW_SPACE);
Texture2D<FfxFloat32x4> r_ray_tracing_hit_distance : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_RAY_TRACING_HIT_DISTANCE);
Texture2D<FfxFloat32x4> r_motion_vectors_reflection : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_VELOCITY_REFLECTION);
// UAV declarations
RWTexture2D<FfxUInt32> rw_reconstructed_previous_nearest_depth : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_RECONSTRUCTED_PREVIOUS_NEAREST_DEPTH);
RWTexture2D<FfxFloat32x2> rw_dilated_motion_vectors : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_MOTION_VECTORS);
RWTexture2D<FfxFloat32> rw_dilatedDepth : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_DEPTH);
RWTexture2D<FfxFloat32x4> rw_internal_upscaled_color : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR);
RWTexture2D<FfxFloat32x3> rw_lock_status : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS);
RWTexture2D<FfxFloat32> rw_depth_clip : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_DEPTH_CLIP);
RWTexture2D<unorm FfxFloat32x4> rw_prepared_input_color : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR);
RWTexture2D<unorm FfxFloat32x4> rw_luma_history : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_LUMA_HISTORY);
RWTexture2D<FfxFloat32x4> rw_upscaled_output : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_UPSCALED_OUTPUT);
globallycoherent RWTexture2D<FfxFloat32> rw_img_mip_shading_change : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_SHADING_CHANGE);
globallycoherent RWTexture2D<FfxFloat32> rw_img_mip_5 : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_5);
RWTexture2D<unorm FfxFloat32x2> rw_dilated_reactive_masks : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS);
RWTexture2D<FfxFloat32x2> rw_exposure : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_EXPOSURE);
globallycoherent RWTexture2D<FfxUInt32> rw_spd_global_atomic : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_SPD_ATOMIC_COUNT);
RWTexture2D<FfxFloat32x4> rw_debug_out : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_DEBUG_OUTPUT);
#else // #if defined(FFX_INTERNAL)
#if defined FSR2_BIND_SRV_INPUT_COLOR
Texture2D<FfxFloat32x4> r_input_color_jittered : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_COLOR);
#endif
#if defined FSR2_BIND_SRV_MOTION_VECTORS
Texture2D<FfxFloat32x4> r_motion_vectors : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_MOTION_VECTORS);
#endif
#if defined FSR2_BIND_SRV_DEPTH
Texture2D<FfxFloat32> r_depth : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DEPTH);
#endif
#if defined FSR2_BIND_SRV_EXPOSURE
Texture2D<FfxFloat32x2> r_exposure : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_EXPOSURE);
#endif
#if defined FSR2_BIND_SRV_REACTIVE_MASK
Texture2D<FfxFloat32> r_reactive_mask : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_REACTIVE_MASK);
#endif
#if defined FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK
Texture2D<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<FfxUInt32> 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<FfxFloat32x2> r_dilated_motion_vectors : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_MOTION_VECTORS);
#endif
#if defined FSR2_BIND_SRV_DILATED_DEPTH
Texture2D<FfxFloat32> r_dilatedDepth : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_DEPTH);
#endif
#if defined FSR2_BIND_SRV_INTERNAL_UPSCALED
Texture2D<FfxFloat32x4> r_internal_upscaled_color : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INTERNAL_UPSCALED);
#endif
#if defined FSR2_BIND_SRV_LOCK_STATUS
Texture2D<FfxFloat32x3> r_lock_status : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_STATUS);
#endif
#if defined FSR2_BIND_SRV_DEPTH_CLIP
Texture2D<FfxFloat32> r_depth_clip : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DEPTH_CLIP);
#endif
#if defined FSR2_BIND_SRV_PREPARED_INPUT_COLOR
Texture2D<unorm FfxFloat32x4> r_prepared_input_color : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_PREPARED_INPUT_COLOR);
#endif
#if defined FSR2_BIND_SRV_LUMA_HISTORY
Texture2D<unorm FfxFloat32x4> r_luma_history : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LUMA_HISTORY);
#endif
#if defined FSR2_BIND_SRV_RCAS_INPUT
Texture2D<FfxFloat32x4> r_rcas_input : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_RCAS_INPUT);
#endif
#if defined FSR2_BIND_SRV_LANCZOS_LUT
Texture2D<FfxFloat32> r_lanczos_lut : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LANCZOS_LUT);
#endif
#if defined FSR2_BIND_SRV_EXPOSURE_MIPS
Texture2D<FfxFloat32> r_imgMips : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_EXPOSURE_MIPS);
#endif
#if defined FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT
Texture2D<FfxFloat32> 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<FfxFloat32x2> r_dilated_reactive_masks : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS);
#endif
// UAV declarations
#if defined FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH
RWTexture2D<FfxUInt32> 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<FfxFloat32x2> rw_dilated_motion_vectors : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_MOTION_VECTORS);
#endif
#if defined FSR2_BIND_UAV_DILATED_DEPTH
RWTexture2D<FfxFloat32> rw_dilatedDepth : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_DEPTH);
#endif
#if defined FSR2_BIND_UAV_INTERNAL_UPSCALED
RWTexture2D<FfxFloat32x4> rw_internal_upscaled_color : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_INTERNAL_UPSCALED);
#endif
#if defined FSR2_BIND_UAV_LOCK_STATUS
RWTexture2D<FfxFloat32x3> rw_lock_status : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_STATUS);
#endif
#if defined FSR2_BIND_UAV_DEPTH_CLIP
RWTexture2D<FfxFloat32> rw_depth_clip : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DEPTH_CLIP);
#endif
#if defined FSR2_BIND_UAV_PREPARED_INPUT_COLOR
RWTexture2D<unorm FfxFloat32x4> rw_prepared_input_color : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREPARED_INPUT_COLOR);
#endif
#if defined FSR2_BIND_UAV_LUMA_HISTORY
RWTexture2D<unorm FfxFloat32x4> rw_luma_history : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LUMA_HISTORY);
#endif
#if defined FSR2_BIND_UAV_UPSCALED_OUTPUT
RWTexture2D<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<FfxFloat32> 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<FfxFloat32> rw_img_mip_5 : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE_MIP_5);
#endif
#if defined FSR2_BIND_UAV_DILATED_REACTIVE_MASKS
RWTexture2D<unorm FfxFloat32x2> rw_dilated_reactive_masks : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS);
#endif
#if defined FSR2_BIND_UAV_EXPOSURE
RWTexture2D<FfxFloat32x2> rw_exposure : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_EXPOSURE);
#endif
#if defined FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC
globallycoherent RWTexture2D<FfxUInt32> rw_spd_global_atomic : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_SPD_GLOBAL_ATOMIC);
#endif
#endif // #if defined(FFX_INTERNAL)
FfxFloat32 LoadMipLuma(FfxUInt32x2 iPxPos, FfxUInt32 mipLevel)
{
#if defined(FSR2_BIND_SRV_EXPOSURE_MIPS) || defined(FFX_INTERNAL)
return r_imgMips.mips[mipLevel][iPxPos];
#else
return 0.f;
#endif
}
FfxFloat32 SampleMipLuma(FfxFloat32x2 fUV, FfxUInt32 mipLevel)
{
#if defined(FSR2_BIND_SRV_EXPOSURE_MIPS) || defined(FFX_INTERNAL)
fUV *= depthclip_uv_scale;
return r_imgMips.SampleLevel(s_LinearClamp, fUV, mipLevel);
#else
return 0.f;
#endif
}
//
// a 0 0 0 x
// 0 b 0 0 y
// 0 0 c d z
// 0 0 e 0 1
//
// z' = (z*c+d)/(z*e)
// z' = (c/e) + d/(z*e)
// z' - (c/e) = d/(z*e)
// (z'e - c)/e = d/(z*e)
// e / (z'e - c) = (z*e)/d
// (e * d) / (z'e - c) = z*e
// z = d / (z'e - c)
FfxFloat32 ConvertFromDeviceDepthToViewSpace(FfxFloat32 fDeviceDepth)
{
return -fDeviceToViewDepth[2] / (fDeviceDepth * fDeviceToViewDepth[1] - fDeviceToViewDepth[0]);
}
FfxFloat32 LoadInputDepth(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_DEPTH) || defined(FFX_INTERNAL)
return r_depth[iPxPos];
#else
return 0.f;
#endif
}
FfxFloat32 LoadReactiveMask(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_REACTIVE_MASK) || defined(FFX_INTERNAL)
return r_reactive_mask[iPxPos];
#else
return 0.f;
#endif
}
FfxFloat32x4 GatherReactiveMask(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_REACTIVE_MASK) || defined(FFX_INTERNAL)
return r_reactive_mask.GatherRed(s_LinearClamp, FfxFloat32x2(iPxPos) * reactive_mask_dim_rcp);
#else
return 0.f;
#endif
}
FfxFloat32 LoadTransparencyAndCompositionMask(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK) || defined(FFX_INTERNAL)
return r_transparency_and_composition_mask[iPxPos];
#else
return 0.f;
#endif
}
FfxFloat32 SampleTransparencyAndCompositionMask(FfxFloat32x2 fUV)
{
#if defined(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK) || defined(FFX_INTERNAL)
fUV *= depthclip_uv_scale;
return r_transparency_and_composition_mask.SampleLevel(s_LinearClamp, fUV, 0);
#else
return 0.f;
#endif
}
FfxFloat32 PreExposure()
{
//return fPreExposure;
return 1.0f;
}
FfxFloat32x3 LoadInputColor(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_INPUT_COLOR) || defined(FFX_INTERNAL)
return r_input_color_jittered[iPxPos].rgb / PreExposure();
#else
return 0;
#endif
}
FfxFloat32x3 LoadInputColorWithoutPreExposure(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_INPUT_COLOR) || defined(FFX_INTERNAL)
return r_input_color_jittered[iPxPos].rgb;
#else
return 0;
#endif
}
FfxFloat32x3 LoadPreparedInputColor(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) || defined(FFX_INTERNAL)
return r_prepared_input_color[iPxPos].rgb;
#else
return 0.f;
#endif
}
FfxFloat32 LoadPreparedInputColorLuma(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) || defined(FFX_INTERNAL)
return r_prepared_input_color[iPxPos].a;
#else
return 0.f;
#endif
}
FfxFloat32x2 LoadInputMotionVector(FfxUInt32x2 iPxDilatedMotionVectorPos)
{
#if defined(FSR2_BIND_SRV_MOTION_VECTORS) || defined(FFX_INTERNAL)
FfxFloat32x2 fSrcMotionVector = r_motion_vectors[iPxDilatedMotionVectorPos].xy;
#else
FfxFloat32x2 fSrcMotionVector = 0.f;
#endif
FfxFloat32x2 fUvMotionVector = fSrcMotionVector * MotionVectorScale;
#if FFX_FSR2_OPTION_JITTERED_MOTION_VECTORS
fUvMotionVector -= fMotionVectorJitterCancellation;
#endif
return fUvMotionVector;
}
FfxFloat32x4 LoadHistory(FfxUInt32x2 iPxHistory)
{
#if defined(FSR2_BIND_SRV_INTERNAL_UPSCALED) || defined(FFX_INTERNAL)
return r_internal_upscaled_color[iPxHistory];
#else
return 0.f;
#endif
}
FfxFloat32x4 LoadRwInternalUpscaledColorAndWeight(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) || defined(FFX_INTERNAL)
return rw_internal_upscaled_color[iPxPos];
#else
return 0.f;
#endif
}
void StoreLumaHistory(FfxUInt32x2 iPxPos, FfxFloat32x4 fLumaHistory)
{
#if defined(FSR2_BIND_UAV_LUMA_HISTORY) || defined(FFX_INTERNAL)
rw_luma_history[iPxPos] = fLumaHistory;
#endif
}
FfxFloat32x4 LoadRwLumaHistory(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_UAV_LUMA_HISTORY) || defined(FFX_INTERNAL)
return rw_luma_history[iPxPos];
#else
return 1.f;
#endif
}
FfxFloat32 LoadLumaStabilityFactor(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_LUMA_HISTORY) || defined(FFX_INTERNAL)
return r_luma_history[iPxPos].w;
#else
return 0.f;
#endif
}
FfxFloat32 SampleLumaStabilityFactor(FfxFloat32x2 fUV)
{
#if defined(FSR2_BIND_SRV_LUMA_HISTORY) || defined(FFX_INTERNAL)
fUV *= depthclip_uv_scale;
return r_luma_history.SampleLevel(s_LinearClamp, fUV, 0).w;
#else
return 0.f;
#endif
}
void StoreReprojectedHistory(FfxUInt32x2 iPxHistory, FfxFloat32x4 fHistory)
{
#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) || defined(FFX_INTERNAL)
rw_internal_upscaled_color[iPxHistory] = fHistory;
#endif
}
void StoreInternalColorAndWeight(FfxUInt32x2 iPxPos, FfxFloat32x4 fColorAndWeight)
{
#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) || defined(FFX_INTERNAL)
rw_internal_upscaled_color[iPxPos] = fColorAndWeight;
#endif
}
void StoreUpscaledOutput(FfxUInt32x2 iPxPos, FfxFloat32x3 fColor)
{
#if defined(FSR2_BIND_UAV_UPSCALED_OUTPUT) || defined(FFX_INTERNAL)
rw_upscaled_output[iPxPos] = FfxFloat32x4(fColor * PreExposure(), 1.f);
#endif
}
//LOCK_LIFETIME_REMAINING == 0
//Should make LockInitialLifetime() return a const 1.0f later
FfxFloat32x3 LoadLockStatus(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_LOCK_STATUS) || defined(FFX_INTERNAL)
FfxFloat32x3 fLockStatus = r_lock_status[iPxPos];
fLockStatus[0] -= LockInitialLifetime() * 2.0f;
return fLockStatus;
#else
return 0.f;
#endif
}
FfxFloat32x3 LoadRwLockStatus(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_UAV_LOCK_STATUS) || defined(FFX_INTERNAL)
FfxFloat32x3 fLockStatus = rw_lock_status[iPxPos];
fLockStatus[0] -= LockInitialLifetime() * 2.0f;
return fLockStatus;
#else
return 0.f;
#endif
}
void StoreLockStatus(FfxUInt32x2 iPxPos, FfxFloat32x3 fLockstatus)
{
#if defined(FSR2_BIND_UAV_LOCK_STATUS) || defined(FFX_INTERNAL)
fLockstatus[0] += LockInitialLifetime() * 2.0f;
rw_lock_status[iPxPos] = fLockstatus;
#endif
}
void StorePreparedInputColor(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x4 fTonemapped)
{
#if defined(FSR2_BIND_UAV_PREPARED_INPUT_COLOR) || defined(FFX_INTERNAL)
rw_prepared_input_color[iPxPos] = fTonemapped;
#endif
}
FfxBoolean IsResponsivePixel(FfxUInt32x2 iPxPos)
{
return FFX_FALSE; //not supported in prototype
}
FfxFloat32 LoadDepthClip(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_DEPTH_CLIP) || defined(FFX_INTERNAL)
return r_depth_clip[iPxPos];
#else
return 0.f;
#endif
}
FfxFloat32 SampleDepthClip(FfxFloat32x2 fUV)
{
#if defined(FSR2_BIND_SRV_DEPTH_CLIP) || defined(FFX_INTERNAL)
fUV *= depthclip_uv_scale;
return r_depth_clip.SampleLevel(s_LinearClamp, fUV, 0);
#else
return 0.f;
#endif
}
FfxFloat32x3 SampleLockStatus(FfxFloat32x2 fUV)
{
#if defined(FSR2_BIND_SRV_LOCK_STATUS) || defined(FFX_INTERNAL)
fUV *= postprocessed_lockstatus_uv_scale;
FfxFloat32x3 fLockStatus = r_lock_status.SampleLevel(s_LinearClamp, fUV, 0);
fLockStatus[0] -= LockInitialLifetime() * 2.0f;
return fLockStatus;
#else
return 0.f;
#endif
}
void StoreDepthClip(FfxUInt32x2 iPxPos, FfxFloat32 fClip)
{
#if defined(FSR2_BIND_UAV_DEPTH_CLIP) || defined(FFX_INTERNAL)
rw_depth_clip[iPxPos] = fClip;
#endif
}
FfxFloat32 TanHalfFoV()
{
return fTanHalfFOV;
}
FfxFloat32 LoadSceneDepth(FfxUInt32x2 iPxInput)
{
#if defined(FSR2_BIND_SRV_DEPTH) || defined(FFX_INTERNAL)
return r_depth[iPxInput];
#else
return 0.f;
#endif
}
FfxFloat32 LoadReconstructedPrevDepth(FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_RECONSTRUCTED_PREV_NEAREST_DEPTH) || defined(FFX_INTERNAL)
return asfloat(r_reconstructed_previous_nearest_depth[iPxPos]);
#else
return 0;
#endif
}
void StoreReconstructedDepth(FfxUInt32x2 iPxSample, FfxFloat32 fDepth)
{
FfxUInt32 uDepth = asuint(fDepth);
#if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) || defined(FFX_INTERNAL)
#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
}
void SetReconstructedDepth(FfxUInt32x2 iPxSample, const FfxUInt32 uValue)
{
#if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) || defined(FFX_INTERNAL)
rw_reconstructed_previous_nearest_depth[iPxSample] = uValue;
#endif
}
void StoreDilatedDepth(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32 fDepth)
{
#if defined(FSR2_BIND_UAV_DILATED_DEPTH) || defined(FFX_INTERNAL)
rw_dilatedDepth[iPxPos] = fDepth;
#endif
}
void StoreDilatedMotionVector(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x2 fMotionVector)
{
#if defined(FSR2_BIND_UAV_DILATED_MOTION_VECTORS) || defined(FFX_INTERNAL)
rw_dilated_motion_vectors[iPxPos] = fMotionVector;
#endif
}
FfxFloat32x2 LoadDilatedMotionVector(FfxUInt32x2 iPxInput)
{
#if defined(FSR2_BIND_SRV_DILATED_MOTION_VECTORS) || defined(FFX_INTERNAL)
return r_dilated_motion_vectors[iPxInput].xy;
#else
return 0.f;
#endif
}
FfxFloat32x2 SampleDilatedMotionVector(FfxFloat32x2 fUV)
{
#if defined(FSR2_BIND_SRV_DILATED_MOTION_VECTORS) || defined(FFX_INTERNAL)
fUV *= depthclip_uv_scale; // TODO: assuming these are (RenderSize() / MaxRenderSize())
return r_dilated_motion_vectors.SampleLevel(s_LinearClamp, fUV, 0);
#else
return 0.f;
#endif
}
FfxFloat32 LoadDilatedDepth(FfxUInt32x2 iPxInput)
{
#if defined(FSR2_BIND_SRV_DILATED_DEPTH) || defined(FFX_INTERNAL)
return r_dilatedDepth[iPxInput];
#else
return 0.f;
#endif
}
FfxFloat32 Exposure()
{
// return 1.0f;
#if defined(FSR2_BIND_SRV_EXPOSURE) || defined(FFX_INTERNAL)
FfxFloat32 exposure = r_exposure[FfxUInt32x2(0, 0)].x;
#else
FfxFloat32 exposure = 1.f;
#endif
if (exposure == 0.0f) {
exposure = 1.0f;
}
return exposure;
}
FfxFloat32 SampleLanczos2Weight(FfxFloat32 x)
{
#if defined(FSR2_BIND_SRV_LANCZOS_LUT) || defined(FFX_INTERNAL)
return r_lanczos_lut.SampleLevel(s_LinearClamp, FfxFloat32x2(x / 2, 0.5f), 0);
#else
return 0.f;
#endif
}
FfxFloat32 SampleUpsampleMaximumBias(FfxFloat32x2 uv)
{
#if defined(FSR2_BIND_SRV_UPSCALE_MAXIMUM_BIAS_LUT) || defined(FFX_INTERNAL)
// 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);
#else
return 0.f;
#endif
}
FfxFloat32x2 SampleDilatedReactiveMasks(FfxFloat32x2 fUV)
{
#if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) || defined(FFX_INTERNAL)
fUV *= depthclip_uv_scale;
return r_dilated_reactive_masks.SampleLevel(s_LinearClamp, fUV, 0);
#else
return 0.f;
#endif
}
FfxFloat32x2 LoadDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos)
{
#if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) || defined(FFX_INTERNAL)
return r_dilated_reactive_masks[iPxPos];
#else
return 0.f;
#endif
}
void StoreDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos, FFX_PARAMETER_IN FfxFloat32x2 fDilatedReactiveMasks)
{
#if defined(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS) || defined(FFX_INTERNAL)
rw_dilated_reactive_masks[iPxPos] = fDilatedReactiveMasks;
#endif
}
#endif // #if defined(FFX_GPU)

27
Assets/Resources/Shaders/ffx_fsr2_callbacks_hlsl.h.meta
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76
Assets/Resources/Shaders/ffx_fsr2_rcas_pass.compute
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// Each #kernel tells which function to compile; you can have many kernels // Each #kernel tells which function to compile; you can have many kernels
#pragma kernel CS #pragma kernel CS
// Create a RenderTexture with enableRandomWrite flag and set it with cs.SetTexture
// NOTE: the .hlsl files conveniently contain a list of inputs and outputs in their header comments
//Texture2D<float2> r_exposure; // Expose is not used at the moment, so no need to bind it
Texture2D<float4> r_rcas_input;
RWTexture2D<float4> rw_upscaled_output;
// Some global defines are needed // Some global defines are needed
#define FFX_GPU // Compiling for GPU #define FFX_GPU // Compiling for GPU
#define FFX_HLSL // Compile for plain HLSL #define FFX_HLSL // Compile for plain HLSL
//#define FFX_FSR2_OPTION_HDR_COLOR_INPUT // This ought to be supported in the long run //#define FFX_FSR2_OPTION_HDR_COLOR_INPUT // This ought to be supported in the long run
#define FSR_RCAS_F // Using 32-bit float mode (not half)
#define FSR2_BIND_UAV_UPSCALED_OUTPUT // Create an SRV binding for the output we need
#include "ffx_core.h" // With the above defines this all compiles cleanly, yay!
// This is from ffx_fsr2_callbacks_hlsl.h (bunch of macro use to declare SRVs, may need conversion)
FfxFloat32 Exposure()
{
// return 1.0f;
#if defined(FSR2_BIND_SRV_EXPOSURE) || defined(FFX_INTERNAL)
FfxFloat32 exposure = r_exposure[FfxUInt32x2(0, 0)].x;
#else
FfxFloat32 exposure = 1.f;
#endif
if (exposure == 0.0f) {
exposure = 1.0f;
}
return exposure;
}
FfxFloat32 PreExposure()
{
//return fPreExposure; // TODO: requires constant buffer bindings, uhhh... (see FSR2_BIND_CB_FSR2)
return 1.0f;
}
void StoreUpscaledOutput(FfxUInt32x2 iPxPos, FfxFloat32x3 fColor)
{
#if defined(FSR2_BIND_UAV_UPSCALED_OUTPUT) || defined(FFX_INTERNAL)
rw_upscaled_output[iPxPos] = FfxFloat32x4(fColor * PreExposure(), 1.f);
#endif
}
//#include "ffx_fsr2_common.h" // TODO: still depends on a bunch of CB's from callbacks_hlsl
// Below is all converted from ffx_fsr2_rcas_pass.hlsl
uint4 RCASConfig()
{
// These are not your typical config parameters... these are packed floats-as-ints, i.e. complete nonsense values
return uint4(1061290752, 974141968, 0, 0); // TODO: this needs to be a constant buffer value
}
float4 LoadRCAS_Input(FfxInt32x2 iPxPos)
{
return r_rcas_input[iPxPos];
}
#include "ffx_fsr2_rcas.h"
#ifndef FFX_FSR2_THREAD_GROUP_WIDTH
#define FFX_FSR2_THREAD_GROUP_WIDTH 64
#endif // #ifndef FFX_FSR2_THREAD_GROUP_WIDTH
#ifndef FFX_FSR2_THREAD_GROUP_HEIGHT
#define FFX_FSR2_THREAD_GROUP_HEIGHT 1
#endif // #ifndef FFX_FSR2_THREAD_GROUP_HEIGHT
#ifndef FFX_FSR2_THREAD_GROUP_DEPTH
#define FFX_FSR2_THREAD_GROUP_DEPTH 1
#endif // #ifndef FFX_FSR2_THREAD_GROUP_DEPTH
#ifndef FFX_FSR2_NUM_THREADS
#define FFX_FSR2_NUM_THREADS [numthreads(FFX_FSR2_THREAD_GROUP_WIDTH, FFX_FSR2_THREAD_GROUP_HEIGHT, FFX_FSR2_THREAD_GROUP_DEPTH)]
#endif // #ifndef FFX_FSR2_NUM_THREADS
FFX_FSR2_NUM_THREADS
void CS(uint3 LocalThreadId : SV_GroupThreadID, uint3 WorkGroupId : SV_GroupID, uint3 Dtid : SV_DispatchThreadID)
{
RCAS(LocalThreadId, WorkGroupId, Dtid);
}
#include "ffx_fsr2_rcas_pass.hlsl"

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Assets/Resources/Shaders/ffx_fsr2_rcas_pass.hlsl
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// This file is part of the FidelityFX SDK.
//
// Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
//
// 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.
// FSR2 pass 6
// SRV 4 : m_Exposure : r_exposure
// SRV 19 : FSR2_InternalUpscaled1 : r_rcas_input
// UAV 18 : DisplayOutput : rw_upscaled_output
// CB 0 : cbFSR2
// CB 1 : cbRCAS
#define FSR2_BIND_SRV_EXPOSURE 0
#define FSR2_BIND_SRV_RCAS_INPUT 1
#define FSR2_BIND_UAV_UPSCALED_OUTPUT 0
#define FSR2_BIND_CB_FSR2 0
#define FSR2_BIND_CB_RCAS 1
#include "ffx_fsr2_callbacks_hlsl.h"
#include "ffx_fsr2_common.h"
//Move to prototype shader!
#if defined(FSR2_BIND_CB_RCAS)
cbuffer cbRCAS : FFX_FSR2_DECLARE_CB(FSR2_BIND_CB_RCAS)
{
uint4 rcasConfig;
};
uint4 RCASConfig()
{
return rcasConfig;
}
#else
uint4 RCASConfig()
{
// These are not your typical config parameters... these are packed floats-as-ints, i.e. complete nonsense values
return uint4(1061290752, 974141968, 0, 0); // TODO: this needs to be a constant buffer value
}
#endif
#if FFX_HALF
float4 LoadRCAS_Input(FfxInt16x2 iPxPos)
{
return r_rcas_input[iPxPos];
}
#else
float4 LoadRCAS_Input(FfxInt32x2 iPxPos)
{
return r_rcas_input[iPxPos];
}
#endif
#include "ffx_fsr2_rcas.h"
#ifndef FFX_FSR2_THREAD_GROUP_WIDTH
#define FFX_FSR2_THREAD_GROUP_WIDTH 64
#endif // #ifndef FFX_FSR2_THREAD_GROUP_WIDTH
#ifndef FFX_FSR2_THREAD_GROUP_HEIGHT
#define FFX_FSR2_THREAD_GROUP_HEIGHT 1
#endif // #ifndef FFX_FSR2_THREAD_GROUP_HEIGHT
#ifndef FFX_FSR2_THREAD_GROUP_DEPTH
#define FFX_FSR2_THREAD_GROUP_DEPTH 1
#endif // #ifndef FFX_FSR2_THREAD_GROUP_DEPTH
#ifndef FFX_FSR2_NUM_THREADS
#define FFX_FSR2_NUM_THREADS [numthreads(FFX_FSR2_THREAD_GROUP_WIDTH, FFX_FSR2_THREAD_GROUP_HEIGHT, FFX_FSR2_THREAD_GROUP_DEPTH)]
#endif // #ifndef FFX_FSR2_NUM_THREADS
FFX_FSR2_NUM_THREADS
FFX_FSR2_EMBED_CB2_ROOTSIG_CONTENT
void CS(uint3 LocalThreadId : SV_GroupThreadID, uint3 WorkGroupId : SV_GroupID, uint3 Dtid : SV_DispatchThreadID)
{
RCAS(LocalThreadId, WorkGroupId, Dtid);
}

7
Assets/Resources/Shaders/ffx_fsr2_rcas_pass.hlsl.meta
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88
Assets/Resources/Shaders/ffx_fsr2_resources.h
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@ -0,0 +1,88 @@
// This file is part of the FidelityFX SDK.
//
// Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved.
//
// 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 FFX_FSR2_RESOURCES_H
#define FFX_FSR2_RESOURCES_H
#if defined(FFX_CPU) || defined(FFX_GPU)
#define FFX_FSR2_RESOURCE_IDENTIFIER_NULL 0
#define FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_COLOR 1
#define FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_MOTION_VECTORS 2
#define FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_DEPTH 3
#define FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_EXPOSURE 4
#define FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_REACTIVE_MASK 5
#define FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_TRANSPARENCY_AND_COMPOSITION_MASK 6
#define FFX_FSR2_RESOURCE_IDENTIFIER_RECONSTRUCTED_PREVIOUS_NEAREST_DEPTH 7
#define FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_MOTION_VECTORS 8
#define FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_DEPTH 9
#define FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR 10
#define FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS 11
#define FFX_FSR2_RESOURCE_IDENTIFIER_DEPTH_CLIP 12
#define FFX_FSR2_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR 13
#define FFX_FSR2_RESOURCE_IDENTIFIER_LUMA_HISTORY 14
#define FFX_FSR2_RESOURCE_IDENTIFIER_DEBUG_OUTPUT 15
#define FFX_FSR2_RESOURCE_IDENTIFIER_LANCZOS_LUT 16
#define FFX_FSR2_RESOURCE_IDENTIFIER_SPD_ATOMIC_COUNT 17
#define FFX_FSR2_RESOURCE_IDENTIFIER_UPSCALED_OUTPUT 18
#define FFX_FSR2_RESOURCE_IDENTIFIER_RCAS_INPUT 19
#define FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS_1 20
#define FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS_2 21
#define FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR_1 22
#define FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_UPSCALED_COLOR_2 23
#define FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_REACTIVITY 24
#define FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_TRANSPARENCY_AND_COMPOSITION 25
#define FFX_FSR2_RESOURCE_IDENTITIER_UPSAMPLE_MAXIMUM_BIAS_LUT 26
#define FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS 27
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE 28 // same as FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_0
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_0 28
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_1 29
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_2 30
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_3 31
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_4 32
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_5 33
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_6 34
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_7 35
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_8 36
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_9 37
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_10 38
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_11 39
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_12 40
#define FFX_FSR2_RESOURCE_IDENTIFIER_INTERNAL_DEFAULT_EXPOSURE 41
#define FFX_FSR2_RESOURCE_IDENTIFIER_EXPOSURE 42
// Shading change detection mip level setting, value must be in the range [FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_0, FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_12]
#define FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_SHADING_CHANGE FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_4
#define FFX_FSR2_SHADING_CHANGE_MIP_LEVEL (FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE_MIPMAP_SHADING_CHANGE - FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_EXPOSURE)
#define FFX_FSR2_RESOURCE_IDENTIFIER_COUNT 43
#define FFX_FSR2_CONSTANTBUFFER_IDENTIFIER_FSR2 0
#define FFX_FSR2_CONSTANTBUFFER_IDENTIFIER_SPD 1
#define FFX_FSR2_CONSTANTBUFFER_IDENTIFIER_RCAS 2
#define FFX_FSR2_AUTOREACTIVEFLAGS_APPLY_TONEMAP 1
#define FFX_FSR2_AUTOREACTIVEFLAGS_APPLY_INVERSETONEMAP 2
#define FFX_FSR2_AUTOREACTIVEFLAGS_APPLY_THRESHOLD 4
#define FFX_FSR2_AUTOREACTIVEFLAGS_USE_COMPONENTS_MAX 8
#endif // #if defined(FFX_CPU) || defined(FFX_GPU)
#endif //!defined( FFX_FSR2_RESOURCES_H )

27
Assets/Resources/Shaders/ffx_fsr2_resources.h.meta
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serializedVersion: 2
iconMap: {}
executionOrder: {}
defineConstraints: []
isPreloaded: 0
isOverridable: 0
isExplicitlyReferenced: 0
validateReferences: 1
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2
Assets/Scenes/SampleScene.unity
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@ -315,7 +315,7 @@ MonoBehaviour:
m_Script: {fileID: 11500000, guid: 955cb66a9ecc20441a7e32934c9b4690, type: 3} m_Script: {fileID: 11500000, guid: 955cb66a9ecc20441a7e32934c9b4690, type: 3}
m_Name: m_Name:
m_EditorClassIdentifier: m_EditorClassIdentifier:
renderScale: 1
renderScale: 2
enableJitter: 0 enableJitter: 0
--- !u!114 &963194230 --- !u!114 &963194230
MonoBehaviour: MonoBehaviour:

88
Assets/Scripts/FSR2Thing.cs
View File

@ -2,6 +2,7 @@ using System;
using System.Collections; using System.Collections;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq; using System.Linq;
using System.Runtime.InteropServices;
using UnityEditor; using UnityEditor;
using UnityEngine; using UnityEngine;
using UnityEngine.Rendering; using UnityEngine.Rendering;
@ -10,6 +11,9 @@ public class FSR2Thing : MonoBehaviour
{ {
[SerializeField] [SerializeField]
private bool performSharpenPass = true; private bool performSharpenPass = true;
[SerializeField, Range(0, 1)]
private float sharpness = 0.8f;
[HideInInspector] [HideInInspector]
public Camera gameCamera; public Camera gameCamera;
@ -22,6 +26,7 @@ public class FSR2Thing : MonoBehaviour
private RenderTexture _upscaleRT; private RenderTexture _upscaleRT;
private RenderTexture _rcasOutput; private RenderTexture _rcasOutput;
private Texture2D _exposure;
private Material _testMaterial; private Material _testMaterial;
private Material TestMaterial private Material TestMaterial
@ -54,6 +59,9 @@ public class FSR2Thing : MonoBehaviour
} }
} }
private ComputeBuffer _rcasConstantBuffer;
private RcasConfig[] _rcasConfig = new RcasConfig[1];
private void OnEnable() private void OnEnable()
{ {
RenderPipelineManager.endContextRendering += OnEndContextRendering; RenderPipelineManager.endContextRendering += OnEndContextRendering;
@ -64,12 +72,40 @@ public class FSR2Thing : MonoBehaviour
_rcasOutput = new RenderTexture(Screen.width, Screen.height, 24, RenderTextureFormat.ARGBHalf); _rcasOutput = new RenderTexture(Screen.width, Screen.height, 24, RenderTextureFormat.ARGBHalf);
_rcasOutput.enableRandomWrite = true; _rcasOutput.enableRandomWrite = true;
_rcasOutput.Create(); _rcasOutput.Create();
_exposure = new Texture2D(1, 1);
_exposure.name = "FSR2 Exposure";
_exposure.SetPixel(0, 0, Color.white);
_exposure.Apply();
_rcasConstantBuffer = new ComputeBuffer(1, Marshal.SizeOf<RcasConfig>(), ComputeBufferType.Constant);
} }
private void OnDisable() private void OnDisable()
{ {
_rcasOutput.Release();
_upscaleRT.Release();
if (_rcasConstantBuffer != null)
{
_rcasConstantBuffer.Release();
_rcasConstantBuffer = null;
}
if (_exposure != null)
{
Destroy(_exposure);
_exposure = null;
}
if (_rcasOutput != null)
{
_rcasOutput.Release();
_rcasOutput = null;
}
if (_upscaleRT != null)
{
_upscaleRT.Release();
_upscaleRT = null;
}
RenderPipelineManager.endContextRendering -= OnEndContextRendering; RenderPipelineManager.endContextRendering -= OnEndContextRendering;
} }
@ -88,10 +124,17 @@ public class FSR2Thing : MonoBehaviour
if (performSharpenPass) if (performSharpenPass)
{ {
int sharpnessIndex = Mathf.RoundToInt(Mathf.Clamp01(sharpness) * (RcasConfigs.Count - 1));
_rcasConfig[0] = RcasConfigs[sharpnessIndex];
_rcasConstantBuffer.SetData(_rcasConfig);
// Run the RCAS sharpening filter on the upscaled image // Run the RCAS sharpening filter on the upscaled image
int rcasKernel = RCASComputeShader.FindKernel("CS"); int rcasKernel = RCASComputeShader.FindKernel("CS");
// TODO: create constant buffer (cbFSR2) with fPreExposure set to 1.0
RCASComputeShader.SetTexture(rcasKernel, "r_exposure", _exposure);
RCASComputeShader.SetTexture(rcasKernel, "r_rcas_input", _upscaleRT); RCASComputeShader.SetTexture(rcasKernel, "r_rcas_input", _upscaleRT);
RCASComputeShader.SetTexture(rcasKernel, "rw_upscaled_output", _rcasOutput); RCASComputeShader.SetTexture(rcasKernel, "rw_upscaled_output", _rcasOutput);
RCASComputeShader.SetConstantBuffer("cbRCAS", _rcasConstantBuffer, 0, Marshal.SizeOf<RcasConfig>());
RCASComputeShader.Dispatch(rcasKernel, Screen.width, Screen.height, 1); // TODO: not sure how these thread groups work... RCASComputeShader.Dispatch(rcasKernel, Screen.width, Screen.height, 1); // TODO: not sure how these thread groups work...
// Output sharpened image to screen // Output sharpened image to screen
@ -102,4 +145,45 @@ public class FSR2Thing : MonoBehaviour
Graphics.Blit(_upscaleRT, dest); Graphics.Blit(_upscaleRT, dest);
} }
} }
[Serializable]
private struct RcasConfig
{
public RcasConfig(uint sharpness, uint halfSharp)
{
this.sharpness = sharpness;
this.halfSharp = halfSharp;
dummy0 = dummy1 = 0;
}
public uint sharpness;
public uint halfSharp;
public uint dummy0;
public uint dummy1;
}
private static readonly List<RcasConfig> RcasConfigs = new()
{
new(1048576000u, 872428544u),
new(1049178080u, 877212745u),
new(1049823372u, 882390168u),
new(1050514979u, 887895276u),
new(1051256227u, 893859143u),
new(1052050675u, 900216232u),
new(1052902144u, 907032080u),
new(1053814727u, 914306687u),
new(1054792807u, 922105590u),
new(1055841087u, 930494326u),
new(1056964608u, 939538432u),
new(1057566688u, 944322633u),
new(1058211980u, 949500056u),
new(1058903587u, 955005164u),
new(1059644835u, 960969031u),
new(1060439283u, 967326120u),
new(1061290752u, 974141968u),
new(1062203335u, 981416575u),
new(1063181415u, 989215478u),
new(1064229695u, 997604214u),
new(1065353216u, 1006648320),
};
} }
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