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