shaders/genbrdflut.vert


1
2
3
4
5
6
7
8
9

#version 450

layout (location = 0) out vec2 outUV;

void main()
{
	outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
	gl_Position = vec4(outUV * 2.0f - 1.0f, 0.0f, 1.0f);
}