61 lines
1.5 KiB
PHP
61 lines
1.5 KiB
PHP
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OPTION ARB_precision_hint_fastest;
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TEMP R0, R1, color, worldNormal, ambient, localAmbient, specLook, diffuse;
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ATTRIB _diffTC = fragment.texcoord[4];
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# modulate by the diffuse map and constant diffuse factor
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TEX diffuse, _diffTC, $diffuseMap, 2D;
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$ifdef alphatest_kill
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SUB diffuse.a, diffuse.a, $alphaThresh;
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KIL diffuse.a;
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$endif
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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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# coverage dither mask
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$ifdef r_useDitherMask
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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, $coverage, R1.w;
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KIL -R1.w;
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#MUL R1.xy, fragment.position, 0.015625;
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#TEX R1.r, R1, $dithermask, 2D;
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#SUB R1.a, 0.5, R1.r;
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#KIL R1.a;
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$endif
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# put normal into world space
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MOV worldNormal, fragment.texcoord[5];
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# get diffuse lighting from cubemap
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TEX ambient, worldNormal, $ambientCubeMap, CUBE;
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MUL ambient, ambient, $ambientBrightness;
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MUL color, diffuse, $diffuseColor;
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# modulate by ambient
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MUL color, ambient, color;
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$ifdef self_illum
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# Simple self illumination
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TEX R1, _diffTC, $selfIllumMap, 2D;
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$ifdef self_illum_glow
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MAD_SAT R1.rgb, R1.a, $parameters2, R1;
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$endif
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ADD color, R1, color;
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$endif
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# multiply with ambient brightness
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MUL color, $ambientScale.x, color;
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$if ( r_megaDrawMethod != 0 )
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LRP color.rgb, fragment.color.secondary.x, $fogColor, color;
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$endif
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MUL result.color, color, fragment.color;
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MOV result.color.a, $ambientScale.y;
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