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27 lines
776 B
27 lines
776 B
//========== Copyright (c) Valve Corporation, All rights reserved. ==========//
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#include "common_ps_fxc.h"
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sampler TexSampler0 : register( s0 );
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sampler TexSampler1 : register( s1 );
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sampler TexSampler2 : register( s2 );
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sampler TexSampler3 : register( s3 );
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struct PS_INPUT
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{
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float2 texCoord : TEXCOORD0;
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};
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const float4 weights : register( c0 );
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float4 main( PS_INPUT i ) : COLOR
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{
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// Just sample the four input textures
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float4 sample0 = tex2D( TexSampler0, i.texCoord );
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float4 sample1 = tex2D( TexSampler1, i.texCoord );
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float4 sample2 = tex2D( TexSampler2, i.texCoord );
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float4 sample3 = tex2D( TexSampler3, i.texCoord );
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// Compute weighted average and return
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return weights.x * sample0 + weights.y * sample1 + weights.z * sample2 + weights.w * sample3;
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}
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