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167 lines
4.1 KiB
Plaintext
167 lines
4.1 KiB
Plaintext
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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PixelShaderOutputCommon.usf: To allow PS input/output passed int functions through a single struct, allowing for a more readable code (less #ifdefs, reducing the boolean hell)
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=============================================================================*/
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#ifndef PIXELSHADEROUTPUT_INTERPOLANTS
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#define PIXELSHADEROUTPUT_INTERPOLANTS 0
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#endif
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#ifndef PIXELSHADEROUTPUT_BASEPASS
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#define PIXELSHADEROUTPUT_BASEPASS 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT0
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#define PIXELSHADEROUTPUT_MRT0 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT1
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#define PIXELSHADEROUTPUT_MRT1 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT2
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#define PIXELSHADEROUTPUT_MRT2 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT3
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#define PIXELSHADEROUTPUT_MRT3 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT4
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#define PIXELSHADEROUTPUT_MRT4 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT5
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#define PIXELSHADEROUTPUT_MRT5 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT6
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#define PIXELSHADEROUTPUT_MRT6 0
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#endif
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#ifndef PIXELSHADEROUTPUT_MRT7
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#define PIXELSHADEROUTPUT_MRT7 0
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#endif
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#ifndef PIXELSHADEROUTPUT_COVERAGE
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#define PIXELSHADEROUTPUT_COVERAGE 0
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#endif
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#ifndef PIXELSHADEROUTPUT_A2C
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#define PIXELSHADEROUTPUT_A2C 0
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#endif
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// ---------------------------------------------------------------------------------
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void MainPS
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(
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#if PIXELSHADEROUTPUT_INTERPOLANTS || PIXELSHADEROUTPUT_BASEPASS
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FVertexFactoryInterpolantsVSToPS Interpolants,
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#endif
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#if PIXELSHADEROUTPUT_BASEPASS
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FBasePassInterpolantsVSToPS BasePassInterpolants,
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#endif
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in INPUT_POSITION_QUALIFIERS float4 SvPosition : SV_Position // after all interpolators
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OPTIONAL_IsFrontFace
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#if PIXELSHADEROUTPUT_MRT0
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, out float4 OutTarget0 : SV_Target0
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#endif
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#if PIXELSHADEROUTPUT_MRT1
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, out float4 OutTarget1 : SV_Target1
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#endif
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#if PIXELSHADEROUTPUT_MRT2
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, out float4 OutTarget2 : SV_Target2
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#endif
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#if PIXELSHADEROUTPUT_MRT3
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, out float4 OutTarget3 : SV_Target3
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#endif
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#if PIXELSHADEROUTPUT_MRT4
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, out float4 OutTarget4 : SV_Target4
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#endif
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#if PIXELSHADEROUTPUT_MRT5
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, out float4 OutTarget5 : SV_Target5
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#endif
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#if PIXELSHADEROUTPUT_MRT6
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, out float4 OutTarget6 : SV_Target6
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#endif
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#if PIXELSHADEROUTPUT_MRT7
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, out float4 OutTarget7 : SV_Target7
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#endif
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// todo: if we are not inside a volumetric decal we could use OPTIONAL_OutDepthConservative for better performance, this would require a shader permutation
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OPTIONAL_OutDepthConservative
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#if PIXELSHADEROUTPUT_COVERAGE || PIXELSHADEROUTPUT_A2C
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#if PIXELSHADEROUTPUT_A2C
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, in uint InCoverage : SV_Coverage
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#endif
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, out uint OutCoverage : SV_Coverage
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#endif
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)
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{
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// ---------------------------------------------------------------------------------
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FPixelShaderIn PixelShaderIn = (FPixelShaderIn)0;
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FPixelShaderOut PixelShaderOut = (FPixelShaderOut)0;
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#if PIXELSHADEROUTPUT_COVERAGE || PIXELSHADEROUTPUT_A2C
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#if PIXELSHADEROUTPUT_A2C
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PixelShaderIn.Coverage = InCoverage;
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#else
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PixelShaderIn.Coverage = 0xF;
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#endif
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PixelShaderOut.Coverage = PixelShaderIn.Coverage;
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#endif
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PixelShaderIn.SvPosition = SvPosition;
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PixelShaderIn.bIsFrontFace = bIsFrontFace;
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#if PIXELSHADEROUTPUT_BASEPASS
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FPixelShaderInOut_MainPS(Interpolants, BasePassInterpolants, PixelShaderIn, PixelShaderOut);
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#elif PIXELSHADEROUTPUT_INTERPOLANTS
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FPixelShaderInOut_MainPS(Interpolants, PixelShaderIn, PixelShaderOut);
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#else
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FPixelShaderInOut_MainPS(PixelShaderIn, PixelShaderOut);
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#endif
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#if PIXELSHADEROUTPUT_MRT0
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OutTarget0 = PixelShaderOut.MRT[0];
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#endif
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#if PIXELSHADEROUTPUT_MRT1
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OutTarget1 = PixelShaderOut.MRT[1];
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#endif
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#if PIXELSHADEROUTPUT_MRT2
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OutTarget2 = PixelShaderOut.MRT[2];
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#endif
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#if PIXELSHADEROUTPUT_MRT3
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OutTarget3 = PixelShaderOut.MRT[3];
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#endif
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#if PIXELSHADEROUTPUT_MRT4
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OutTarget4 = PixelShaderOut.MRT[4];
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#endif
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#if PIXELSHADEROUTPUT_MRT5
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OutTarget5 = PixelShaderOut.MRT[5];
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#endif
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#if PIXELSHADEROUTPUT_MRT6
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OutTarget6 = PixelShaderOut.MRT[6];
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#endif
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#if PIXELSHADEROUTPUT_MRT7
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OutTarget7 = PixelShaderOut.MRT[7];
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#endif
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#if PIXELSHADEROUTPUT_COVERAGE || PIXELSHADEROUTPUT_A2C
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OutCoverage = PixelShaderOut.Coverage;
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#endif
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#if OUTPUT_PIXEL_DEPTH_OFFSET
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OutDepth = PixelShaderOut.Depth;
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#endif
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} |