62 lines
1.3 KiB
PHP
62 lines
1.3 KiB
PHP
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OPTION ARB_precision_hint_fastest;
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TEMP light, color, R1, R2, localNormal, specular;
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# modulate by the light projection
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TXP light, fragment.texcoord[3], $lightProjectionMap, 2D;
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$ifdef enable_instdither
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MUL R1.xy, fragment.position, 0.0625;
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TEX R1, R1, $noiseMap, 2D;
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SLT R1.w, fragment.texcoord[6].w, R1.w;
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KIL -R1.w;
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$endif
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# modulate by the light falloff
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TEX R1, fragment.texcoord[2], $lightFalloffMap, 2D;
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MUL light, light, R1;
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# modulate by the diffuse map and constant diffuse factor
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TEX R1, fragment.texcoord[4], $diffuseMap, 2D;
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MUL R1.rgb, R1, fragment.color;
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MUL color, R1, $diffuseColor;
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$ifdef alphatest_kill
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TEMP _AR0;
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SUB _AR0.a, R1.a, $alphaThresh;
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KIL _AR0.a;
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$endif
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$ifdef alphatocoverage
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TEMP _AR0;
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SUB _AR0.a, R1.a, $alphaThresh;
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KIL _AR0.a;
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$endif
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MUL color, light, color;
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$ifdef ambient
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MAD color, R1, $ambientAvgColor, color;
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$endif
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# modify by the vertex color
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$if ( r_megaDrawMethod != 0 )
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$ifdef amblit
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LRP result.color.rgb, fragment.color.secondary.x, $fogColor, color;
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$else
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SUB R1.x, 1, fragment.color.secondary.x;
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MUL result.color.rgb, color, R1.x;
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$endif
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$else
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MOV result.color.rgb, color;
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$endif
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$ifdef alphatocoverage
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MUL result.color.a, color.a, 1.5;
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$else
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MOV result.color.a, 1;
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$endif
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