18 lines
281 B
GLSL
18 lines
281 B
GLSL
#version 450
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layout(location = 0) out vec4 FragColor;
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layout(location = 0) in vec4 v0;
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void main()
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{
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FragColor = vec4(1.0);
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for (int i = 0; i < 4; i++)
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{
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for (int j = 0; j < 4; j++)
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{
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FragColor += vec4(v0[(i + j) & 3]);
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}
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}
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}
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