1uniform half unknownInput; // 1 2 3half4 main(float2 coords) { 4 half x = unknownInput; 5 6 half4 v = x.xx01; 7 v = unknownInput.xx01; 8 v = unknownInput.0x10; 9 v = unknownInput.0x0x; 10 11 return v; 12} 13