22 lines
519 B
GLSL
22 lines
519 B
GLSL
#version 430 core
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const vec2 vtx[4] = vec2[](vec2(-1.0, 1.0), // tl
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vec2( 1.0, 1.0), // tr
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vec2( 1.0, -1.0), // br
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vec2(-1.0, -1.0)); // bl
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layout (location = 0) uniform mat4 Transform;
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out vec4 PixelTexture;
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void main()
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{
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vec2 vertex = vtx[gl_VertexID];
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PixelTexture = vec4(vertex * vec2(0.5, -0.5) + 0.5, 0, 0);
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vertex = vertex * vec2(0.5, 0.5) + vec2(0.5, -0.5);
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gl_Position = Transform * vec4(vertex, 0.0, 1.0);
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}
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