36 lines
791 B
PostScript
36 lines
791 B
PostScript
#include "common.h"
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#include "lmodel.h"
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#include "shadow.h"
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struct _input
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{
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float2 tc : TEXCOORD0;
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float4 tcJ : TEXCOORD1;
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float2 LT : TEXCOORD2;
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float2 RT : TEXCOORD3;
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float2 LB : TEXCOORD4;
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float2 RB : TEXCOORD5;
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};
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float4 main ( _input I ) : COLOR
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{
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float4 _P = tex2D (s_position, I.tc);
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half4 _N = tex2D (s_normal, I.tc);
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// ----- light-model
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half m = xmaterial ;
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# ifndef USE_R2_STATIC_SUN
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m = _P.w ;
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# endif
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half4 light = plight_infinity (m,_P,_N,Ldynamic_dir);
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// ----- shadow
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half4 s_sum;
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s_sum.x = tex2D (s_smap,I.LT).x;
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s_sum.y = tex2D (s_smap,I.RT).y;
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s_sum.z = tex2D (s_smap,I.LB).z;
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s_sum.w = tex2D (s_smap,I.RB).w;
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half s = dot (s_sum, 1.h/4.h);
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return Ldynamic_color * light * s;
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}
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