28 lines
1.2 KiB
PostScript
28 lines
1.2 KiB
PostScript
#include "common.h"
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struct v2p
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{
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float2 tc0: TEXCOORD0; // Texture coordinates (for sampling maps)
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float2 tc1: TEXCOORD1; // Texture coordinates (for sampling maps)
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float2 tc2: TEXCOORD2; // Texture coordinates (for sampling maps)
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float2 tc3: TEXCOORD3; // Texture coordinates (for sampling maps)
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};
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uniform half4 b_params;
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//////////////////////////////////////////////////////////////////////////////////////////
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// Pixel
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half4 main ( v2p I ) : COLOR
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{
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// hi-rgb.base-lum
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half3 s0 = tex2D (s_image, I.tc0);
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half3 s1 = tex2D (s_image, I.tc1);
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half3 s2 = tex2D (s_image, I.tc2);
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half3 s3 = tex2D (s_image, I.tc3);
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half3 avg = (s0+s1+s2+s3)/2;
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half hi = dot(avg,1.h)-b_params.x ; // assume def_hdr equal to 3.0
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return half4(avg,hi);
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}
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