ec3fd4fa13
The specular map is embedded in the alpha component of texture. Alpha value of 1. means no specular, alpha of 0. means 100% specular. git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14786 178a84e3-b1eb-0310-8ba1-8eac791a3b58
27 lines
516 B
GLSL
27 lines
516 B
GLSL
#version 130
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uniform sampler2D tex;
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uniform sampler2D lighttex;
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uniform int hastex;
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uniform int haslightmap;
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noperspective in vec3 nor;
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void main() {
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vec4 light = vec4(1.0);
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vec4 color;
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if (haslightmap != 0) {
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light = texture2D(lighttex, gl_TexCoord[1].xy);
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}
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if (hastex != 0)
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color = texture2D(tex, gl_TexCoord[0].xy) * light;
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else
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color = gl_Color;
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gl_FragData[0] = vec4(color.xyz, 1.);
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gl_FragData[1] = vec4(0.5 * normalize(nor) + 0.5, gl_FragCoord.z);
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gl_FragData[2] = vec4(1. - color.a);
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}
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