27 lines
508 B
Plaintext
27 lines
508 B
Plaintext
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#version 140
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uniform vec2 p;
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in vec4 position;
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in vec4 icol;
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out vec4 col;
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flat out ivec4 colint;
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void main (void)
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{
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gl_Position = vec4(p, 0.0, 0.0) + position;
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// integers & vertex ID & instance ID
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colint.x = gl_VertexID;
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colint.y = gl_InstanceID ^ gl_InstanceID;
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colint.z = gl_InstanceID << 2;
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colint.w = colint.x + colint.y;
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// new built-ins
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col.x = trunc(position.x);
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col.y = round(position.y);
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col.z = roundEven(position.y);
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col.w = cosh(position.w);
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}
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