9 lines
285 B
Plaintext
9 lines
285 B
Plaintext
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out vec2 uv;
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void main() {
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float x = float(((uint(gl_VertexID) + 2u) / 3u)%2u);
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float y = float(((uint(gl_VertexID) + 1u) / 3u)%2u);
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gl_Position = vec4(-1.0 + x*2.0, 0.0+(-1.0+y*2.0), 0.0, 1.0); // normal(0+),flipped(0-)
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uv = vec2(x, y); // normal(y),flipped(1.0-y)
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}
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