uniform half4 colorGreen, colorRed;

half4 main(float2 coords) {
    bool ok = true;
    bool TRUE = bool(colorGreen.g);

    ok = ok && (1 == (TRUE ? 1 : 0));
    ok = ok && (1.0 == (TRUE ? 1.0 : 0.0));

    ok = ok && (bool(TRUE ? 1 : 0));
    ok = ok && (1 == int(TRUE ? 1 : 0));
    ok = ok && (1.0 == float(TRUE ? 1.0 : 0.0));

    ok = ok && (bool2(true) == bool2(TRUE ? 1 : 0));
    ok = ok && (int2(1) == int2(TRUE ? 1 : 0));
    ok = ok && (float2(1.0) == float2(TRUE ? 1.0 : 0.0));

    return ok ? colorGreen : colorRed;
}