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39 lines
1.7 KiB
39 lines
1.7 KiB
// Each #kernel tells which function to compile; you can have many kernels
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#pragma kernel FXAA
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#pragma multi_compile _ ENABLE_ALPHA
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#pragma multi_compile _ HDR_INPUT
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#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Builtin/BuiltinData.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/FXAA.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/PostProcessing/Shaders/PostProcessDefines.hlsl"
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RW_TEXTURE2D_X(CTYPE, _OutputTexture);
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TEXTURE2D_X(_InputTexture);
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float4 _HDROutputParams;
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#define _PaperWhite _HDROutputParams.z
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#define _OneOverPaperWhite _HDROutputParams.w
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[numthreads(8,8,1)]
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void FXAA(uint3 dispatchThreadId : SV_DispatchThreadID)
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{
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UNITY_XR_ASSIGN_VIEW_INDEX(dispatchThreadId.z);
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uint2 positionSS = dispatchThreadId.xy;
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float2 positionNDC = positionSS * _PostProcessScreenSize.zw + (0.5 * _PostProcessScreenSize.zw);
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CTYPE outColor = Load(_InputTexture, positionSS, 0, 0).CTYPE_SWIZZLE;
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CTYPE beforeFXAA = outColor;
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RunFXAA(_InputTexture, s_linear_clamp_sampler, outColor, positionSS, positionNDC, _PaperWhite, _OneOverPaperWhite);
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#if defined(ENABLE_ALPHA)
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// When alpha processing is enabled, FXAA should not affect pixels with zero alpha
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outColor.xyz = outColor.a > 0 ? outColor.xyz : beforeFXAA.xyz;
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#endif
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_OutputTexture[COORD_TEXTURE2D_X(positionSS)] = outColor;
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}
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