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e75acb9b8a
CL 2699552 added SvPositionToTranslatedWorld for better quality and performance, some refactoring [CL 2699586 by Martin Mittring in Main branch]
44 lines
1.2 KiB
Plaintext
44 lines
1.2 KiB
Plaintext
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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PostProcessMaterialShaders.usf: Shaders for rendering post process materials
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=============================================================================*/
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#include "Common.usf"
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#include "Material.usf"
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void MainVS(
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in float4 InPosition : ATTRIBUTE0,
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out float4 OutPosition : SV_POSITION
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)
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{
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DrawRectangle(InPosition, OutPosition);
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}
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void MainPS(
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in float4 SvPosition : SV_Position, // after all interpolators
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out float4 OutColor : SV_Target0
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)
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{
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FMaterialPixelParameters Parameters = MakeInitializedMaterialPixelParameters();
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// can be optimized
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float2 ScreenUV = SvPositionToBufferUV(SvPosition);
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#if NUM_MATERIAL_TEXCOORDS
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for(int CoordinateIndex = 0;CoordinateIndex < NUM_MATERIAL_TEXCOORDS;CoordinateIndex++)
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{
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Parameters.TexCoords[CoordinateIndex] = ScreenUV;
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}
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#endif
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Parameters.VertexColor = 1;
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SvPosition.z = LookupDeviceZ(ScreenUV);
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// fill out other related material parameters
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CalcMaterialParameters(Parameters, SvPosition, true);
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// Grab emissive colour as output
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OutColor = float4(GetMaterialEmissive(Parameters), 1);
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} |