uniform half4 colorWhite;

inline bool testA(half4 v) {
    return bool(v.r);
}

inline bool testB(half4 v) {
    return bool(v.g);
}

half4 main(float2 coords) {
    half4 result = half4(0);
    if (testA(colorWhite) && testB(colorWhite)) {
       result.g = 1;
    }
    if (testB(colorWhite) || testA(colorWhite)) {
       result.a = 1;
    }
    return result;
}