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const int KernelSize = 4;
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uniform vec4 KernelValue4f[KernelSize];
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void main(void)
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{
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int i;
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vec4 sum = vec4(0.0);
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vec4 tmp = gl_Color;
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gl_Position = gl_Vertex;
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for (i = 0; i < KernelSize; ++i) {
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vec4 rgba;
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rgba = KernelValue4f[i];
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sum += tmp * rgba;
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}
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gl_FrontColor = sum;
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}
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