ColorBlitVertexShaderSource.vert 469 B

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  1. #version 450 core
  2. layout (std140, binding = 1) uniform tex_coord_in
  3. {
  4. vec4 tex_coord_in_data;
  5. };
  6. layout (location = 0) out vec2 tex_coord;
  7. void main()
  8. {
  9. int low = gl_VertexIndex & 1;
  10. int high = gl_VertexIndex >> 1;
  11. tex_coord.x = tex_coord_in_data[low];
  12. tex_coord.y = tex_coord_in_data[2 + high];
  13. gl_Position.x = (float(low) - 0.5f) * 2.0f;
  14. gl_Position.y = (float(high) - 0.5f) * 2.0f;
  15. gl_Position.z = 0.0f;
  16. gl_Position.w = 1.0f;
  17. }