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Merge branch 'master' into fsr3framegen

fsr3framegen
Nico de Poel 2 years ago
parent
d0f6ddf019 66da324538
commit
c3165c9880
4 changed files with 58 additions and 88 deletions
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  1. 19
      LICENSE.md
  2. 4
      LICENSE.md.meta
  3. 74
      Runtime/FSR2/Fsr2Resources.cs
  4. 49
      Shaders/shaders/ffx_fsr2_debug_blit.hlsl

19
LICENSE.md
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@ -0,0 +1,19 @@
Copyright (c) 2024 Nico de Poel
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.

4
Shaders/shaders/ffx_fsr2_debug_blit.hlsl.meta → LICENSE.md.meta
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@ -1,6 +1,6 @@
fileFormatVersion: 2 fileFormatVersion: 2
guid: 8302faae2234907489de5569919fc172
ShaderIncludeImporter:
guid: 09b65756f4c90b942b60816c53887dfa
TextScriptImporter:
externalObjects: {} externalObjects: {}
userData: userData:
assetBundleName: assetBundleName:

74
Runtime/FSR2/Fsr2Resources.cs
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@ -65,71 +65,71 @@ namespace FidelityFX.FSR2
maximumBias[i] = MaximumBias[i] / 2.0f; maximumBias[i] = MaximumBias[i] / 2.0f;
} }
// Resource FSR3UPSCALER_LanczosLutData: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R16_SNORM, FFX_RESOURCE_FLAGS_NONE
// Resource FSR2_LanczosLutData: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R16_SNORM, FFX_RESOURCE_FLAGS_NONE
// R16_SNorm textures are not supported by Unity on most platforms, strangely enough. So instead we use R32_SFloat and upload pre-normalized float data. // R16_SNorm textures are not supported by Unity on most platforms, strangely enough. So instead we use R32_SFloat and upload pre-normalized float data.
LanczosLut = new Texture2D(lanczos2LutWidth, 1, GraphicsFormat.R32_SFloat, TextureCreationFlags.None) { name = "FSR3UPSCALER_LanczosLutData" };
LanczosLut = new Texture2D(lanczos2LutWidth, 1, GraphicsFormat.R32_SFloat, TextureCreationFlags.None) { name = "FSR2_LanczosLutData" };
LanczosLut.SetPixelData(lanczos2Weights, 0); LanczosLut.SetPixelData(lanczos2Weights, 0);
LanczosLut.Apply(); LanczosLut.Apply();
// Resource FSR3UPSCALER_MaximumUpsampleBias: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R16_SNORM, FFX_RESOURCE_FLAGS_NONE
MaximumBiasLut = new Texture2D(MaximumBiasTextureWidth, MaximumBiasTextureHeight, GraphicsFormat.R32_SFloat, TextureCreationFlags.None) { name = "FSR3UPSCALER_MaximumUpsampleBias" };
// Resource FSR2_MaximumUpsampleBias: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R16_SNORM, FFX_RESOURCE_FLAGS_NONE
MaximumBiasLut = new Texture2D(MaximumBiasTextureWidth, MaximumBiasTextureHeight, GraphicsFormat.R32_SFloat, TextureCreationFlags.None) { name = "FSR2_MaximumUpsampleBias" };
MaximumBiasLut.SetPixelData(maximumBias, 0); MaximumBiasLut.SetPixelData(maximumBias, 0);
MaximumBiasLut.Apply(); MaximumBiasLut.Apply();
// Resource FSR3UPSCALER_DefaultExposure: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R32G32_FLOAT, FFX_RESOURCE_FLAGS_NONE
DefaultExposure = new Texture2D(1, 1, GraphicsFormat.R32G32_SFloat, TextureCreationFlags.None) { name = "FSR3UPSCALER_DefaultExposure" };
// Resource FSR2_DefaultExposure: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R32G32_FLOAT, FFX_RESOURCE_FLAGS_NONE
DefaultExposure = new Texture2D(1, 1, GraphicsFormat.R32G32_SFloat, TextureCreationFlags.None) { name = "FSR2_DefaultExposure" };
DefaultExposure.SetPixel(0, 0, Color.clear); DefaultExposure.SetPixel(0, 0, Color.clear);
DefaultExposure.Apply(); DefaultExposure.Apply();
// Resource FSR3UPSCALER_DefaultReactivityMask: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_NONE
DefaultReactive = new Texture2D(1, 1, GraphicsFormat.R8_UNorm, TextureCreationFlags.None) { name = "FSR3UPSCALER_DefaultReactivityMask" };
// Resource FSR2_DefaultReactivityMask: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_NONE
DefaultReactive = new Texture2D(1, 1, GraphicsFormat.R8_UNorm, TextureCreationFlags.None) { name = "FSR2_DefaultReactivityMask" };
DefaultReactive.SetPixel(0, 0, Color.clear); DefaultReactive.SetPixel(0, 0, Color.clear);
DefaultReactive.Apply(); DefaultReactive.Apply();
// Resource FSR3UPSCALER_SpdAtomicCounter: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_UINT, FFX_RESOURCE_FLAGS_ALIASABLE
// Despite what the original FSR3 codebase says, this resource really isn't aliasable. Resetting this counter to 0 every frame breaks auto-exposure on MacOS Metal.
SpdAtomicCounter = new RenderTexture(1, 1, 0, GraphicsFormat.R32_UInt) { name = "FSR3UPSCALER_SpdAtomicCounter", enableRandomWrite = true };
// Resource FSR2_SpdAtomicCounter: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_UINT, FFX_RESOURCE_FLAGS_ALIASABLE
// Despite what the original FSR2 codebase says, this resource really isn't aliasable. Resetting this counter to 0 every frame breaks auto-exposure on MacOS Metal.
SpdAtomicCounter = new RenderTexture(1, 1, 0, GraphicsFormat.R32_UInt) { name = "FSR2_SpdAtomicCounter", enableRandomWrite = true };
SpdAtomicCounter.Create(); SpdAtomicCounter.Create();
// Resource FSR3UPSCALER_AutoExposure: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32G32_FLOAT, FFX_RESOURCE_FLAGS_NONE
AutoExposure = new RenderTexture(1, 1, 0, GraphicsFormat.R32G32_SFloat) { name = "FSR3UPSCALER_AutoExposure", enableRandomWrite = true };
// Resource FSR2_AutoExposure: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32G32_FLOAT, FFX_RESOURCE_FLAGS_NONE
AutoExposure = new RenderTexture(1, 1, 0, GraphicsFormat.R32G32_SFloat) { name = "FSR2_AutoExposure", enableRandomWrite = true };
AutoExposure.Create(); AutoExposure.Create();
// Resource FSR3UPSCALER_ExposureMips: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
// Resource FSR2_ExposureMips: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
// This is a rather special case: it's an aliasable resource, but because we require a mipmap chain and bind specific mip levels per shader, we can't easily use temporary RTs for this. // This is a rather special case: it's an aliasable resource, but because we require a mipmap chain and bind specific mip levels per shader, we can't easily use temporary RTs for this.
int w = contextDescription.MaxRenderSize.x / 2, h = contextDescription.MaxRenderSize.y / 2; int w = contextDescription.MaxRenderSize.x / 2, h = contextDescription.MaxRenderSize.y / 2;
int mipCount = 1 + Mathf.FloorToInt(Mathf.Log(Math.Max(w, h), 2.0f)); int mipCount = 1 + Mathf.FloorToInt(Mathf.Log(Math.Max(w, h), 2.0f));
SceneLuminance = new RenderTexture(w, h, 0, GraphicsFormat.R16_SFloat, mipCount) { name = "FSR3UPSCALER_ExposureMips", enableRandomWrite = true, useMipMap = true, autoGenerateMips = false };
SceneLuminance = new RenderTexture(w, h, 0, GraphicsFormat.R16_SFloat, mipCount) { name = "FSR2_ExposureMips", enableRandomWrite = true, useMipMap = true, autoGenerateMips = false };
SceneLuminance.Create(); SceneLuminance.Create();
// Resources FSR3UPSCALER_InternalDilatedVelocity1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(DilatedMotionVectors, "FSR3UPSCALER_InternalDilatedVelocity", contextDescription.MaxRenderSize, GraphicsFormat.R16G16_SFloat);
// Resources FSR2_InternalDilatedVelocity1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(DilatedMotionVectors, "FSR2_InternalDilatedVelocity", contextDescription.MaxRenderSize, GraphicsFormat.R16G16_SFloat);
// Resources FSR3UPSCALER_LockStatus1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(LockStatus, "FSR3UPSCALER_LockStatus", contextDescription.DisplaySize, GraphicsFormat.R16G16_SFloat);
// Resources FSR2_LockStatus1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(LockStatus, "FSR2_LockStatus", contextDescription.DisplaySize, GraphicsFormat.R16G16_SFloat);
// Resources FSR3UPSCALER_InternalUpscaled1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16B16A16_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(InternalUpscaled, "FSR3UPSCALER_InternalUpscaled", contextDescription.DisplaySize, GraphicsFormat.R16G16B16A16_SFloat);
// Resources FSR2_InternalUpscaled1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16B16A16_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(InternalUpscaled, "FSR2_InternalUpscaled", contextDescription.DisplaySize, GraphicsFormat.R16G16B16A16_SFloat);
// Resources FSR3UPSCALER_LumaHistory1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8G8B8A8_UNORM, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(LumaHistory, "FSR3UPSCALER_LumaHistory", contextDescription.DisplaySize, GraphicsFormat.R8G8B8A8_UNorm);
// Resources FSR2_LumaHistory1/2: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8G8B8A8_UNORM, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(LumaHistory, "FSR2_LumaHistory", contextDescription.DisplaySize, GraphicsFormat.R8G8B8A8_UNorm);
} }
public void CreateTcrAutogenResources(Fsr2.ContextDescription contextDescription) public void CreateTcrAutogenResources(Fsr2.ContextDescription contextDescription)
{ {
// Resource FSR3UPSCALER_AutoReactive: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_NONE
AutoReactive = new RenderTexture(contextDescription.MaxRenderSize.x, contextDescription.MaxRenderSize.y, 0, GraphicsFormat.R8_UNorm) { name = "FSR3UPSCALER_AutoReactive", enableRandomWrite = true };
// Resource FSR2_AutoReactive: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_NONE
AutoReactive = new RenderTexture(contextDescription.MaxRenderSize.x, contextDescription.MaxRenderSize.y, 0, GraphicsFormat.R8_UNorm) { name = "FSR2_AutoReactive", enableRandomWrite = true };
AutoReactive.Create(); AutoReactive.Create();
// Resource FSR3UPSCALER_AutoComposition: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_NONE
AutoComposition = new RenderTexture(contextDescription.MaxRenderSize.x, contextDescription.MaxRenderSize.y, 0, GraphicsFormat.R8_UNorm) { name = "FSR3UPSCALER_AutoComposition", enableRandomWrite = true };
// Resource FSR2_AutoComposition: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_NONE
AutoComposition = new RenderTexture(contextDescription.MaxRenderSize.x, contextDescription.MaxRenderSize.y, 0, GraphicsFormat.R8_UNorm) { name = "FSR2_AutoComposition", enableRandomWrite = true };
AutoComposition.Create(); AutoComposition.Create();
// Resources FSR3UPSCALER_PrevPreAlpha0/1: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R11G11B10_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(PrevPreAlpha, "FSR3UPSCALER_PrevPreAlpha", contextDescription.MaxRenderSize, GraphicsFormat.B10G11R11_UFloatPack32);
// Resources FSR2_PrevPreAlpha0/1: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R11G11B10_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(PrevPreAlpha, "FSR2_PrevPreAlpha", contextDescription.MaxRenderSize, GraphicsFormat.B10G11R11_UFloatPack32);
// Resources FSR3UPSCALER_PrevPostAlpha0/1: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R11G11B10_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(PrevPostAlpha, "FSR3UPSCALER_PrevPostAlpha", contextDescription.MaxRenderSize, GraphicsFormat.B10G11R11_UFloatPack32);
// Resources FSR2_PrevPostAlpha0/1: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R11G11B10_FLOAT, FFX_RESOURCE_FLAGS_NONE
CreateDoubleBufferedResource(PrevPostAlpha, "FSR2_PrevPostAlpha", contextDescription.MaxRenderSize, GraphicsFormat.B10G11R11_UFloatPack32);
} }
// Set up shared aliasable resources, i.e. temporary render textures // Set up shared aliasable resources, i.e. temporary render textures
@ -139,22 +139,22 @@ namespace FidelityFX.FSR2
Vector2Int displaySize = contextDescription.DisplaySize; Vector2Int displaySize = contextDescription.DisplaySize;
Vector2Int maxRenderSize = contextDescription.MaxRenderSize; Vector2Int maxRenderSize = contextDescription.MaxRenderSize;
// FSR3UPSCALER_ReconstructedPrevNearestDepth: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_UINT, FFX_RESOURCE_FLAGS_ALIASABLE
// FSR2_ReconstructedPrevNearestDepth: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_UINT, FFX_RESOURCE_FLAGS_ALIASABLE
commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavReconstructedPrevNearestDepth, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R32_UInt, 1, true); commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavReconstructedPrevNearestDepth, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R32_UInt, 1, true);
// FSR3UPSCALER_DilatedDepth: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
// FSR2_DilatedDepth: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavDilatedDepth, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R32_SFloat, 1, true); commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavDilatedDepth, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R32_SFloat, 1, true);
// FSR3UPSCALER_LockInputLuma: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
// FSR2_LockInputLuma: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavLockInputLuma, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R16_SFloat, 1, true); commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavLockInputLuma, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R16_SFloat, 1, true);
// FSR3UPSCALER_DilatedReactiveMasks: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8G8_UNORM, FFX_RESOURCE_FLAGS_ALIASABLE
// FSR2_DilatedReactiveMasks: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8G8_UNORM, FFX_RESOURCE_FLAGS_ALIASABLE
commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavDilatedReactiveMasks, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R8G8_UNorm, 1, true); commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavDilatedReactiveMasks, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R8G8_UNorm, 1, true);
// FSR3UPSCALER_PreparedInputColor: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16B16A16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
// FSR2_PreparedInputColor: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16B16A16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavPreparedInputColor, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R16G16B16A16_SFloat, 1, true); commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavPreparedInputColor, maxRenderSize.x, maxRenderSize.y, 0, default, GraphicsFormat.R16G16B16A16_SFloat, 1, true);
// FSR3UPSCALER_NewLocks: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_ALIASABLE
// FSR2_NewLocks: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_ALIASABLE
commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavNewLocks, displaySize.x, displaySize.y, 0, default, GraphicsFormat.R8_UNorm, 1, true); commandBuffer.GetTemporaryRT(Fsr2ShaderIDs.UavNewLocks, displaySize.x, displaySize.y, 0, default, GraphicsFormat.R8_UNorm, 1, true);
} }

49
Shaders/shaders/ffx_fsr2_debug_blit.hlsl
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@ -1,49 +0,0 @@
// 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.
Texture2D<float4> r_in : register(t0);
RWTexture2D<float4> rw_out : register(u0);
cbuffer cbBlit0 : register(b0) {
int g_outChannelRed;
int g_outChannelGreen;
int g_outChannelBlue;
float2 outChannelRedMinMax;
float2 outChannelGreenMinMax;
float2 outChannelBlueMinMax;
};
[numthreads(8, 8, 1)]
void CS(uint3 globalID : SV_DispatchThreadID)
{
float4 srcColor = r_in[globalID.xy];
// remap channels
float4 dstColor = float4(srcColor[g_outChannelRed], srcColor[g_outChannelGreen], srcColor[g_outChannelBlue], 1.f);
// apply offset and scale
dstColor.rgb -= float3(outChannelRedMinMax.x, outChannelGreenMinMax.x, outChannelBlueMinMax.x);
dstColor.rgb /= float3(outChannelRedMinMax.y - outChannelRedMinMax.x, outChannelGreenMinMax.y - outChannelGreenMinMax.x, outChannelBlueMinMax.y - outChannelBlueMinMax.x);
rw_out[globalID.xy] = float4(dstColor);
}
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