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