8 lines
170 B
GLSL
8 lines
170 B
GLSL
layout (location = 0) out vec2 f_uv;
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void main()
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{
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f_uv = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
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gl_Position = vec4(f_uv * 2.0 - 1.0, 1.0, 1.0);
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}
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