210 lines
5.2 KiB
PHP
210 lines
5.2 KiB
PHP
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OPTION ARB_precision_hint_fastest;
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TEMP R0, R1, color, localNormal, worldNormal, ambient, localAmbient, specLook, diffuse;
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PARAM subOne = { -1, -1, -1, -1 };
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PARAM scaleTwo = { 2, 2, 2, 2 };
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$ifdef parallax
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TEMP height;
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TEMP viewofs;
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TEMP _diffTC;
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TEMP _bumpTC;
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TEX height.x, fragment.texcoord[4], $heightMap, 2D;
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# TEX height.x, fragment.texcoord[4], $diffuseMap, 2D;
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MUL height.x, height.x, -0.0015;
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MUL viewofs.xyz, fragment.texcoord[0], fragment.texcoord[0];
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RSQ viewofs.w, viewofs.w;
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MUL viewofs.xyz, viewofs.w, fragment.texcoord[0];
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MAD _diffTC, viewofs, height.x, fragment.texcoord[4];
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MAD _bumpTC, viewofs, height.x, fragment.texcoord[1];
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$else
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ATTRIB _diffTC = fragment.texcoord[4];
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ATTRIB _bumpTC = fragment.texcoord[1];
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$endif
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$ifdef enable_detail
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TEMP DTLCOORD;
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MAD DTLCOORD.xy, _bumpTC, $detailMult, $detailMult.zwzw;
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$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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#MUL R1.xy, fragment.position, 0.0625;
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#TEX R0.r, R1, $noiseMap, 2D;
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#SUB R0.a, 0.5, R0.r;
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#KIL R0.a;
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$endif
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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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$ifdef alphatest_alphatocoverage
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SUB R0.a, diffuse.a, 0.1;
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KIL R0.a;
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$endif
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$ifdef enable_detailweight_const
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TEMP weight;
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MOV weight, 1;
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$endif
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$ifdef enable_detailweight_vtxalpha
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TEMP weight;
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MOV weight, fragment.color.a;
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$endif
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$ifdef enable_detailweight_diffalpha
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TEMP weight;
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MOV weight, diffuse.a;
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$endif
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$ifdef enable_detailweight_tex
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TEMP weight;
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TEX weight, _diffTC, $detailWeightMap, 2D;
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$endif
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$ifdef enable_detail
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MUL_SAT weight, weight, fragment.texcoord[1].w;
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$endif
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TEX localNormal, _bumpTC, $bumpMap, 2D;
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$if !r_dxnNormalMaps
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MOV localNormal.x, localNormal.a;
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$endif
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MAD localNormal.xy, localNormal, scaleTwo, subOne;
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$ifdef enable_bumpdetail
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TEMP localDetailNormal;
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TEX localDetailNormal, DTLCOORD, $bumpDetailMap, 2D;
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MOV localDetailNormal.x, localDetailNormal.a;
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MAD localDetailNormal.xy, localDetailNormal, scaleTwo, subOne;
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MAD localNormal.xy, weight.x, localDetailNormal, localNormal;
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$endif
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#Renormalize
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$if r_normalizeNormalMaps
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MOV localNormal.z, 0;
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DP3 R1.x, localNormal,localNormal;
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ADD R1.x, 1, -R1.x;
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RSQ R1.x, R1.x;
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RCP localNormal.z, R1.x;
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$endif
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# put normal into world space
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DP3 worldNormal.x, fragment.texcoord[5], localNormal;
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DP3 worldNormal.y, fragment.texcoord[6], localNormal;
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DP3 worldNormal.z, fragment.texcoord[7], localNormal;
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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, $ambientBrightness;
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$ifdef enable_diffdetail
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TEMP detailDiff;
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TEX detailDiff, DTLCOORD, $diffuseDetailMap, 2D;
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ADD detailDiff, detailDiff, -0.5;
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MAD diffuse, weight.x, detailDiff, diffuse;
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$endif
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MUL color, diffuse, $diffuseColor;
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# kill if we need this
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# modulate by ambient
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MUL color, ambient, color;
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$if !r_shaderSkipSpecCubeMaps
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# calc reflection vector: i - 2 * dot(i, n) * n
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DP3 R1, fragment.texcoord[2], worldNormal;
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ADD R1, R1, R1;
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MAD R0, -worldNormal, R1.x, fragment.texcoord[2];
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#DP3 ambient.a, fragment.texcoord[2], fragment.texcoord[2];
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#RSQ ambient.a, ambient.a;
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#MUL ambient, fragment.texcoord[2], ambient.a;
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#MAD ambient, ambient, 0.5, 0.5;
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# get specular from cubemap
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TEX ambient, R0, $specularCubeMap, CUBE;
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# modulate by the specular map * 2
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TEX specLook, _diffTC, $specularMap, 2D;
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$ifdef enable_specdetail
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TEMP dtlspecLook;
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TEX dtlspecLook, DTLCOORD, $specDetailMap, 2D;
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ADD dtlspecLook, dtlspecLook, -0.5;
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MAD_SAT specLook, weight.x, dtlspecLook, specLook;
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$endif
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ADD R0, specLook, specLook;
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MAD color, R0, ambient, color;
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$endif
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# multiply with ambient brightness
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MUL color, $ambientScale.x, color;
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# do some special effects if we're compiling certain shaders
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# we could move this to a separate file but this saves us from
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# duplicating the shader
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$ifdef self_illum
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# Simple self illumination
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TEX R0, _diffTC, $selfIllumMap, 2D;
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$ifdef self_illum_glow
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MAD_SAT R0.rgb, R0.a, $parameters2, R0;
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$endif
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$ifdef self_illum_modulate
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MAD color, $parameters, R0, color;
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$else
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ADD color, color, R0;
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$endif
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$endif
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$ifdef strogg_effects
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# "Beetle shell" empirical shader
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DP3 R1, fragment.texcoord[2], worldNormal;
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TEX R0, R1, $stroggShellMap, 2D;
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MAD R1, specLook, 1.8, 0.05;
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MUL R0, R1, R0;
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MUL R0, $sunColor, R0; #so it goes dimmer at night
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ADD color, color, R0;
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$endif
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# modify by the vertex color
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$if ( r_megaDrawMethod != 0 )
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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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$ifdef alphatest_alphatocoverage
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MUL result.color.a, diffuse.a, 1.5;
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$else
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MOV result.color.a, $ambientScale.y;
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$endif
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$ifdef enable_detail
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#MOV result.color.rgb, fragment.texcoord[7].w;
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$endif
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#MAD result.color.rgb, worldNormal, 0.5, 0.5;
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