bool BF = bool(1.23);
bool BI = bool(1);
bool BB = bool(true);

float FF = float(1.23);
float FI = float(1);
float FB = float(true);

int IF = int(1.23);
int II = int(1);
int IB = int(true);

void main() {
    sk_FragColor.x = half(BF);
    sk_FragColor.x = half(BI);
    sk_FragColor.x = half(BB);
    sk_FragColor.x = half(FF);
    sk_FragColor.x = half(FI);
    sk_FragColor.x = half(FB);
    sk_FragColor.x = half(IF);
    sk_FragColor.x = half(II);
    sk_FragColor.x = half(IB);
}