[require] vertexPipelineStoresAndAtomics [vertex shader passthrough] [fragment shader] #version 430 layout(location = 0) out vec4 final_color; void main() { final_color = vec4(1, 0, 0, 1); } [test] clear draw rect 0.0 0.0 0.6 0.6 probe rect rgba (0, 0, 125, 125) (0.0, 0, 0, 0.0) probe rect rgba (125, 125, 75, 75) (1.0, 0, 0, 1.0) probe rect rgba (200, 200, 50, 50) (0.0, 0, 0, 0.0) clear draw rect ortho 125 125 75 75 probe rect rgba (0, 0, 125, 125) (0.0, 0, 0, 0.0) probe rect rgba (125, 125, 75, 75) (1.0, 0, 0, 1.0) probe rect rgba (200, 200, 50, 50) (0.0, 0, 0, 0.0)