89 lines
2.3 KiB
PHP
89 lines
2.3 KiB
PHP
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uniform sampler2D $lightFalloffMap;
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uniform sampler2D $lightProjectionMap;
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uniform sampler2D $megaTextureLevel_0;
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uniform sampler2D $megaTextureLevel_1;
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uniform sampler2D $megaTextureLevel_2;
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uniform sampler2D $megaTextureLevel_3;
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uniform sampler2D $megaTextureLevel_4;
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uniform sampler2D $megaTextureLevel_5;
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uniform sampler2D $megaDetailTexture;
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uniform sampler2D $megaDetailTextureMask;
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uniform vec4 $megaTextureParams_0;
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uniform vec4 $megaTextureParams_1;
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uniform vec4 $megaTextureParams_2;
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uniform vec4 $megaTextureParams_3;
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uniform vec4 $megaTextureParams_4;
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uniform vec4 $megaTextureParams_5;
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uniform vec4 $diffuseColor;
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uniform vec4 $parameters;
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const vec4 defaultTexCoord = vec4( 0.0, 0.5, 0.0, 1.0 );
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varying vec4 texcoord3;
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varying vec4 texcoord4;
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varying vec4 texcoord6;
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varying vec4 texcoord7;
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varying vec4 vertexColor;
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void main (void)
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{
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vec4 combined;
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// GLSL fragment shader: code for fetching megatextures
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$include "megatexture/common_glsl_fragment.inc"
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//$ifdef bakedamb
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//MUL combined.xyz, combined, $parameters.w;
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//$endif
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$ifdef bakedamb
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combined.rgb *= $parameters.w;
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$endif
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$if r_megaMultiply
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vec4 R7 = texture2D(texture[11], texcoord7) * program.local[11].y;
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R7 = clamp(R7 * combined, 0.0, 1.0);
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combined.xyz = mix(R7, combined, program.local[11].x);
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$endif
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$if r_skipDiffuse
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combined.xyz = $diffuseColor.rgb;
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$endif
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//$ifndef premult
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//$if !r_skipBump
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//MUL combined, combined, combined.a;
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//$endif
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//$endif
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$ifndef premult
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$if !r_skipBump
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combined *= combined.a;
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$endif
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$endif
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// calc falloff
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combined *= texture2D($lightFalloffMap, vec2(texcoord6.z, 0.5));
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combined *= texture2D($lightProjectionMap, texcoord6.xy);
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// detail texture
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$if r_detailTexture
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R1 = texture2D($megaDetailTexture, texcoord7.zw);
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R1 = R1*2.0 - 1.0;
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R2 = texture2D($megaDetailTextureMask, texcoord7.xy);
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combined += combined*dot(R2, R1);
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$endif
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//$ifdef brightness
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//MUL combined.xyz, combined, $parameters.y;
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//$endif
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$ifdef brightness
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combined.rgb *= $parameters.y;
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$endif
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gl_FragColor = vec4(combined.xyz * vertexColor.xyz, 0.0);
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}
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