1uniform float2x2 testMatrix2x2; 2uniform half4 colorGreen, colorRed; 3 4half4 main(float2 coords) { 5 return (determinant(testMatrix2x2) == -2 && 6 determinant(half3x3(1, 2, 3, 4, 5, 6, 7, 8, 10)) == -3 && 7 determinant(float4x4(1, 2, 3, 4, 5, 7, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17)) == -16) 8 ? colorGreen : colorRed; 9} 10