uniform half4 colorWhite;

half4 ifElseTest(half4 colorBlue, half4 colorGreen, half4 colorRed) {
    half4 result = half4(0);
    if (colorWhite != colorBlue) {    // TRUE
        if (colorGreen == colorRed) { // FALSE
            result = colorRed;
        } else {
            result = colorGreen;
        }
    } else {
        if (colorRed != colorGreen) { // TRUE, but in a false branch
            result = colorBlue;
        } else {                      // FALSE, and in a false branch
            result = colorWhite;
        }
    }
    if (colorRed == colorBlue) { // FALSE
        return colorWhite;
    }
    if (colorRed != colorGreen) { // TRUE
        return result;
    }
    if (colorRed == colorWhite) { // FALSE
        return colorBlue;
    }
    return colorRed;
}

half4 main(float2) {
    return ifElseTest(colorWhite.00b1, colorWhite.0g01, colorWhite.r001);
}