26 lines
805 B
HLSL
26 lines
805 B
HLSL
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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HeightFogVertexShader.usf: Scene fogging vertex shader.
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=============================================================================*/
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#include "Common.ush"
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void Main(
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in float2 InPosition : ATTRIBUTE0,
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out float2 OutTexCoord : TEXCOORD0,
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out float3 OutScreenVector : TEXCOORD1,
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out float4 OutPosition : SV_POSITION
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)
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{
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ResolvedView = ResolveView();
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// screenspace position from vb
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OutPosition = float4(InPosition,0,1);
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// texture coord from vb
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OutTexCoord = InPosition * ResolvedView.ScreenPositionScaleBias.xy + ResolvedView.ScreenPositionScaleBias.wz;
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// deproject to world space
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OutScreenVector = ScreenVectorFromScreenRect(float4(InPosition,1,0));
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}
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