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godot/thirdparty/amd-fsr2/shaders/ffx_fsr2_callbacks_hlsl.h

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Add FidelityFX Super Resolution 2.2 (FSR 2.2.1) support. Introduces support for FSR2 as a new upscaler option available from the project settings. Also introduces an specific render list for surfaces that require motion and the ability to derive motion vectors from depth buffer and camera motion.
2023-09-22 21:38:02 +00:00
// This file is part of the FidelityFX SDK.
//
// Copyright (c) 2022-2023 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) || defined(FFX_INTERNAL)
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;
};
#define FFX_FSR2_CONSTANT_BUFFER_1_SIZE (sizeof(cbFSR2) / 4) // Number of 32-bit values. This must be kept in sync with the cbFSR2 size.
#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)
/* 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;
}
SamplerState s_PointClamp : register(s0);
SamplerState s_LinearClamp : register(s1);
// SRVs
#if defined(FFX_INTERNAL)
Texture2D<FfxFloat32x4> r_input_opaque_only : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_OPAQUE_ONLY);
Texture2D<FfxFloat32x4> r_input_color_jittered : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_COLOR);
Texture2D<FfxFloat32x4> r_input_motion_vectors : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_MOTION_VECTORS);
Texture2D<FfxFloat32> r_input_depth : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_DEPTH);
Texture2D<FfxFloat32x2> r_input_exposure : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_INPUT_EXPOSURE);
Texture2D<FfxFloat32x2> r_auto_exposure : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_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<FfxFloat32x2> r_previous_dilated_motion_vectors : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREVIOUS_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<unorm FfxFloat32x2> r_lock_status : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS);
Texture2D<FfxFloat32> r_lock_input_luma : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_INPUT_LUMA);
Texture2D<unorm FfxFloat32> r_new_locks : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_NEW_LOCKS);
Texture2D<FfxFloat32x4> r_prepared_input_color : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR);
Texture2D<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_SCENE_LUMINANCE);
Texture2D<FfxFloat32> r_upsample_maximum_bias_lut : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTITIER_UPSAMPLE_MAXIMUM_BIAS_LUT);
Texture2D<unorm FfxFloat32x2> r_dilated_reactive_masks : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS);
Texture2D<float3> r_input_prev_color_pre_alpha : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR);
Texture2D<float3> r_input_prev_color_post_alpha : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR);
Texture2D<FfxFloat32x4> r_debug_out : FFX_FSR2_DECLARE_SRV(FFX_FSR2_RESOURCE_IDENTIFIER_DEBUG_OUTPUT);
// 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<unorm FfxFloat32x2> rw_lock_status : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_STATUS);
RWTexture2D<FfxFloat32> rw_lock_input_luma : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_LOCK_INPUT_LUMA);
RWTexture2D<unorm FfxFloat32> rw_new_locks : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_NEW_LOCKS);
RWTexture2D<FfxFloat32x4> rw_prepared_input_color : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_PREPARED_INPUT_COLOR);
RWTexture2D<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_SCENE_LUMINANCE_MIPMAP_SHADING_CHANGE);
globallycoherent RWTexture2D<FfxFloat32> rw_img_mip_5 : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_SCENE_LUMINANCE_MIPMAP_5);
RWTexture2D<unorm FfxFloat32x2> rw_dilated_reactive_masks : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_DILATED_REACTIVE_MASKS);
RWTexture2D<FfxFloat32x2> rw_auto_exposure : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTO_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);
RWTexture2D<float> rw_output_autoreactive : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTOREACTIVE);
RWTexture2D<float> rw_output_autocomposition : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_AUTOCOMPOSITION);
RWTexture2D<float3> rw_output_prev_color_pre_alpha : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_PREV_PRE_ALPHA_COLOR);
RWTexture2D<float3> rw_output_prev_color_post_alpha : FFX_FSR2_DECLARE_UAV(FFX_FSR2_RESOURCE_IDENTIFIER_PREV_POST_ALPHA_COLOR);
#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_INPUT_OPAQUE_ONLY
Texture2D<FfxFloat32x4> r_input_opaque_only : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_OPAQUE_ONLY);
#endif
#if defined FSR2_BIND_SRV_INPUT_MOTION_VECTORS
Texture2D<FfxFloat32x4> r_input_motion_vectors : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_MOTION_VECTORS);
#endif
#if defined FSR2_BIND_SRV_INPUT_DEPTH
Texture2D<FfxFloat32> r_input_depth : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_DEPTH);
#endif
#if defined FSR2_BIND_SRV_INPUT_EXPOSURE
Texture2D<FfxFloat32x2> r_input_exposure : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_INPUT_EXPOSURE);
#endif
#if defined FSR2_BIND_SRV_AUTO_EXPOSURE
Texture2D<FfxFloat32x2> r_auto_exposure : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_AUTO_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_PREVIOUS_DILATED_MOTION_VECTORS
Texture2D<FfxFloat32x2> 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<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<unorm FfxFloat32x2> r_lock_status : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_STATUS);
#endif
#if defined FSR2_BIND_SRV_LOCK_INPUT_LUMA
Texture2D<FfxFloat32> r_lock_input_luma : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_LOCK_INPUT_LUMA);
#endif
#if defined FSR2_BIND_SRV_NEW_LOCKS
Texture2D<unorm FfxFloat32> r_new_locks : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_NEW_LOCKS);
#endif
#if defined FSR2_BIND_SRV_PREPARED_INPUT_COLOR
Texture2D<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_SCENE_LUMINANCE_MIPS
Texture2D<FfxFloat32> r_imgMips : FFX_FSR2_DECLARE_SRV(FSR2_BIND_SRV_SCENE_LUMINANCE_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<unorm FfxFloat32x2> 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<float3> 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<float3> 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<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<unorm FfxFloat32x2> rw_lock_status : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_STATUS);
#endif
#if defined FSR2_BIND_UAV_LOCK_INPUT_LUMA
RWTexture2D<FfxFloat32> rw_lock_input_luma : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_LOCK_INPUT_LUMA);
#endif
#if defined FSR2_BIND_UAV_NEW_LOCKS
RWTexture2D<unorm FfxFloat32> rw_new_locks : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_NEW_LOCKS);
#endif
#if defined FSR2_BIND_UAV_PREPARED_INPUT_COLOR
RWTexture2D<FfxFloat32x4> rw_prepared_input_color : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREPARED_INPUT_COLOR);
#endif
#if defined FSR2_BIND_UAV_LUMA_HISTORY
RWTexture2D<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_AUTO_EXPOSURE
RWTexture2D<FfxFloat32x2> rw_auto_exposure : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTO_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
#if defined FSR2_BIND_UAV_AUTOREACTIVE
RWTexture2D<float> rw_output_autoreactive : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTOREACTIVE);
#endif
#if defined FSR2_BIND_UAV_AUTOCOMPOSITION
RWTexture2D<float> rw_output_autocomposition : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_AUTOCOMPOSITION);
#endif
#if defined FSR2_BIND_UAV_PREV_PRE_ALPHA_COLOR
RWTexture2D<float3> 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<float3> rw_output_prev_color_post_alpha : FFX_FSR2_DECLARE_UAV(FSR2_BIND_UAV_PREV_POST_ALPHA_COLOR);
#endif
#endif // #if defined(FFX_INTERNAL)
#if defined(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS) || defined(FFX_INTERNAL)
FfxFloat32 LoadMipLuma(FfxUInt32x2 iPxPos, FfxUInt32 mipLevel)
{
return r_imgMips.mips[mipLevel][iPxPos];
}
#endif
#if defined(FSR2_BIND_SRV_SCENE_LUMINANCE_MIPS) || defined(FFX_INTERNAL)
FfxFloat32 SampleMipLuma(FfxFloat32x2 fUV, FfxUInt32 mipLevel)
{
return r_imgMips.SampleLevel(s_LinearClamp, fUV, mipLevel);
}
#endif
#if defined(FSR2_BIND_SRV_INPUT_DEPTH) || defined(FFX_INTERNAL)
FfxFloat32 LoadInputDepth(FfxUInt32x2 iPxPos)
{
return r_input_depth[iPxPos];
}
#endif
#if defined(FSR2_BIND_SRV_INPUT_DEPTH) || defined(FFX_INTERNAL)
FfxFloat32 SampleInputDepth(FfxFloat32x2 fUV)
{
return r_input_depth.SampleLevel(s_LinearClamp, fUV, 0).x;
}
#endif
#if defined(FSR2_BIND_SRV_REACTIVE_MASK) || defined(FFX_INTERNAL)
FfxFloat32 LoadReactiveMask(FfxUInt32x2 iPxPos)
{
return r_reactive_mask[iPxPos];
}
#endif
#if defined(FSR2_BIND_SRV_TRANSPARENCY_AND_COMPOSITION_MASK) || defined(FFX_INTERNAL)
FfxFloat32 LoadTransparencyAndCompositionMask(FfxUInt32x2 iPxPos)
{
return r_transparency_and_composition_mask[iPxPos];
}
#endif
#if defined(FSR2_BIND_SRV_INPUT_COLOR) || defined(FFX_INTERNAL)
FfxFloat32x3 LoadInputColor(FfxUInt32x2 iPxPos)
{
return r_input_color_jittered[iPxPos].rgb;
}
#endif
#if defined(FSR2_BIND_SRV_INPUT_COLOR) || defined(FFX_INTERNAL)
FfxFloat32x3 SampleInputColor(FfxFloat32x2 fUV)
{
return r_input_color_jittered.SampleLevel(s_LinearClamp, fUV, 0).rgb;
}
#endif
#if defined(FSR2_BIND_SRV_PREPARED_INPUT_COLOR) || defined(FFX_INTERNAL)
FfxFloat32x3 LoadPreparedInputColor(FfxUInt32x2 iPxPos)
{
return r_prepared_input_color[iPxPos].xyz;
}
#endif
#if defined(FSR2_BIND_SRV_INPUT_MOTION_VECTORS) || defined(FFX_INTERNAL)
FfxFloat32x2 LoadInputMotionVector(FfxUInt32x2 iPxDilatedMotionVectorPos)
{
FfxFloat32x2 fSrcMotionVector = r_input_motion_vectors[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) || defined(FFX_INTERNAL)
FfxFloat32x4 LoadHistory(FfxUInt32x2 iPxHistory)
{
return r_internal_upscaled_color[iPxHistory];
}
#endif
#if defined(FSR2_BIND_UAV_LUMA_HISTORY) || defined(FFX_INTERNAL)
void StoreLumaHistory(FfxUInt32x2 iPxPos, FfxFloat32x4 fLumaHistory)
{
rw_luma_history[iPxPos] = fLumaHistory;
}
#endif
#if defined(FSR2_BIND_SRV_LUMA_HISTORY) || defined(FFX_INTERNAL)
FfxFloat32x4 SampleLumaHistory(FfxFloat32x2 fUV)
{
return r_luma_history.SampleLevel(s_LinearClamp, fUV, 0);
}
#endif
#if defined(FFX_INTERNAL)
FfxFloat32x4 SampleDebug(FfxFloat32x2 fUV)
{
return r_debug_out.SampleLevel(s_LinearClamp, fUV, 0).w;
}
#endif
#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) || defined(FFX_INTERNAL)
void StoreReprojectedHistory(FfxUInt32x2 iPxHistory, FfxFloat32x4 fHistory)
{
rw_internal_upscaled_color[iPxHistory] = fHistory;
}
#endif
#if defined(FSR2_BIND_UAV_INTERNAL_UPSCALED) || defined(FFX_INTERNAL)
void StoreInternalColorAndWeight(FfxUInt32x2 iPxPos, FfxFloat32x4 fColorAndWeight)
{
rw_internal_upscaled_color[iPxPos] = fColorAndWeight;
}
#endif
#if defined(FSR2_BIND_UAV_UPSCALED_OUTPUT) || defined(FFX_INTERNAL)
void StoreUpscaledOutput(FfxUInt32x2 iPxPos, FfxFloat32x3 fColor)
{
rw_upscaled_output[iPxPos] = FfxFloat32x4(fColor, 1.f);
}
#endif
//LOCK_LIFETIME_REMAINING == 0
//Should make LockInitialLifetime() return a const 1.0f later
#if defined(FSR2_BIND_SRV_LOCK_STATUS) || defined(FFX_INTERNAL)
FfxFloat32x2 LoadLockStatus(FfxUInt32x2 iPxPos)
{
return r_lock_status[iPxPos];
}
#endif
#if defined(FSR2_BIND_UAV_LOCK_STATUS) || defined(FFX_INTERNAL)
void StoreLockStatus(FfxUInt32x2 iPxPos, FfxFloat32x2 fLockStatus)
{
rw_lock_status[iPxPos] = fLockStatus;
}
#endif
#if defined(FSR2_BIND_SRV_LOCK_INPUT_LUMA) || defined(FFX_INTERNAL)
FfxFloat32 LoadLockInputLuma(FfxUInt32x2 iPxPos)
{
return r_lock_input_luma[iPxPos];
}
#endif
#if defined(FSR2_BIND_UAV_LOCK_INPUT_LUMA) || defined(FFX_INTERNAL)
void StoreLockInputLuma(FfxUInt32x2 iPxPos, FfxFloat32 fLuma)
{
rw_lock_input_luma[iPxPos] = fLuma;
}
#endif
#if defined(FSR2_BIND_SRV_NEW_LOCKS) || defined(FFX_INTERNAL)
FfxFloat32 LoadNewLocks(FfxUInt32x2 iPxPos)
{
return r_new_locks[iPxPos];
}
#endif
#if defined(FSR2_BIND_UAV_NEW_LOCKS) || defined(FFX_INTERNAL)
FfxFloat32 LoadRwNewLocks(FfxUInt32x2 iPxPos)
{
return rw_new_locks[iPxPos];
}
#endif
#if defined(FSR2_BIND_UAV_NEW_LOCKS) || defined(FFX_INTERNAL)
void StoreNewLocks(FfxUInt32x2 iPxPos, FfxFloat32 newLock)
{
rw_new_locks[iPxPos] = newLock;
}
#endif
#if defined(FSR2_BIND_UAV_PREPARED_INPUT_COLOR) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32 SampleDepthClip(FfxFloat32x2 fUV)
{
return r_prepared_input_color.SampleLevel(s_LinearClamp, fUV, 0).w;
}
#endif
#if defined(FSR2_BIND_SRV_LOCK_STATUS) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32 LoadReconstructedPrevDepth(FfxUInt32x2 iPxPos)
{
return asfloat(r_reconstructed_previous_nearest_depth[iPxPos]);
}
#endif
#if defined(FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
void SetReconstructedDepth(FfxUInt32x2 iPxSample, const FfxUInt32 uValue)
{
rw_reconstructed_previous_nearest_depth[iPxSample] = uValue;
}
#endif
#if defined(FSR2_BIND_UAV_DILATED_DEPTH) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32x2 LoadDilatedMotionVector(FfxUInt32x2 iPxInput)
{
return r_dilated_motion_vectors[iPxInput].xy;
}
#endif
#if defined(FSR2_BIND_SRV_PREVIOUS_DILATED_MOTION_VECTORS) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32 LoadDilatedDepth(FfxUInt32x2 iPxInput)
{
return r_dilatedDepth[iPxInput];
}
#endif
#if defined(FSR2_BIND_SRV_INPUT_EXPOSURE) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32x2 SampleDilatedReactiveMasks(FfxFloat32x2 fUV)
{
return r_dilated_reactive_masks.SampleLevel(s_LinearClamp, fUV, 0);
}
#endif
#if defined(FSR2_BIND_SRV_DILATED_REACTIVE_MASKS) || defined(FFX_INTERNAL)
FfxFloat32x2 LoadDilatedReactiveMasks(FFX_PARAMETER_IN FfxUInt32x2 iPxPos)
{
return r_dilated_reactive_masks[iPxPos];
}
#endif
#if defined(FSR2_BIND_UAV_DILATED_REACTIVE_MASKS) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32x3 LoadOpaqueOnly(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos)
{
return r_input_opaque_only[iPxPos].xyz;
}
#endif
#if defined(FSR2_BIND_SRV_PREV_PRE_ALPHA_COLOR) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
FfxFloat32x3 LoadPrevPostAlpha(FFX_PARAMETER_IN FFX_MIN16_I2 iPxPos)
{
return r_input_prev_color_post_alpha[iPxPos];
}
#endif
#if defined(FSR2_BIND_UAV_AUTOREACTIVE) || defined(FFX_INTERNAL)
#if defined(FSR2_BIND_UAV_AUTOCOMPOSITION) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
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) || defined(FFX_INTERNAL)
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
#endif // #if defined(FFX_GPU)
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