1uniform half4 colorGreen, colorRed, colorBlack, colorWhite, testInputs; 2 3half4 main(float2 coords) { 4 half4 expectedBW = half4(0.5, 0.5, 0.5, 1); 5 half4 expectedWT = half4(1, 0.5, 1, 2.25); 6 7 return (mix(colorGreen, colorRed, 0) == half4(0, 1, 0, 1) && 8 mix(colorGreen, colorRed, 0.25) == half4(0.25, 0.75, 0, 1) && 9 mix(colorGreen, colorRed, 0.75) == half4(0.75, 0.25, 0, 1) && 10 mix(colorGreen, colorRed, 1) == half4(1, 0, 0, 1) && 11 mix(colorBlack.x, colorWhite.x, 0.5) == expectedBW.x && 12 mix(colorBlack.xy, colorWhite.xy, 0.5) == expectedBW.xy && 13 mix(colorBlack.xyz, colorWhite.xyz, 0.5) == expectedBW.xyz && 14 mix(colorBlack.xyzw, colorWhite.xyzw, 0.5) == expectedBW.xyzw && 15 mix(colorWhite.x, testInputs.x, 0) == expectedWT.x && 16 mix(colorWhite.xy, testInputs.xy, half2(0, 0.5)) == expectedWT.xy && 17 mix(colorWhite.xyz, testInputs.xyz, half3(0, 0.5, 0)) == expectedWT.xyz && 18 mix(colorWhite.xyzw, testInputs.xyzw, half4(0, 0.5, 0, 1)) == expectedWT.xyzw) 19 ? colorGreen : colorRed; 20} 21