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10 lines
183 B
GLSL
10 lines
183 B
GLSL
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#version 450
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void
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main ()
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{
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float x = (gl_VertexIndex & 2);
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float y = (gl_VertexIndex & 1);
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gl_Position = vec4 (2, 4, 0, 1) * vec4 (x, y, 0, 1) - vec4 (1, 1, 0, 0);
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}
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