61 lines
1.2 KiB
GLSL
61 lines
1.2 KiB
GLSL
#version 130
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//#define TEST_POST_110
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uniform mat3 colorTransform;
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varying vec3 Color;
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uniform mat4 m, n;
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#ifdef TEST_POST_110
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uniform mat4x3 um43;
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uniform mat3x4 un34;
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#else
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uniform mat4 um43;
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uniform mat4 un34;
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#endif
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varying vec4 v;
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#ifdef TEST_POST_110
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varying vec3 u;
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#else
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varying vec4 u;
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#endif
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void main()
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{
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gl_FragColor = vec4(un34[1]);
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gl_FragColor += vec4(Color * colorTransform, 1.0);
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if (m != n)
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gl_FragColor += v;
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else {
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gl_FragColor += m * v;
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gl_FragColor += v * (m - n);
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}
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#ifdef TEST_POST_110
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mat3x4 m34 = outerProduct(v, u);
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m34 += mat4(v.x);
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m34 += mat4(u, u.x, u, u.x, u, u.x, u.x);
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#else
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mat4 m34 = mat4(v.x*u.x, v.x*u.y, v.x*u.z, v.x*u.w,
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v.y*u.x, v.y*u.y, v.y*u.z, v.y*u.w,
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v.z*u.x, v.z*u.y, v.z*u.z, v.z*u.w,
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v.w*u.x, v.w*u.y, v.w*u.z, v.w*u.w);
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m34 += mat4(v.x);
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m34 += mat4(u, u.x, u, u.x, u, u.x, u.x);
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#endif
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if (m34 == un34)
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gl_FragColor += m34 * u;
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else
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gl_FragColor += (un34 * um43) * v;
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mat4x2 m42 = mat4x2(42);
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if (m42 == mat4x2(42, 0, 0, 42, 0, 0, 0, 0)) {
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gl_FragColor += v;
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}
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}
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