1uint uintMin         = 0;
2uint uintMinMinusOne = -1;
3uint uintMax         = 4294967295;
4uint uintMaxPlusOne  = 4294967296;
5
6void main() {
7    sk_FragColor.x = half(uintMin);
8    sk_FragColor.x = half(uintMinMinusOne);
9    sk_FragColor.x = half(uintMax);
10    sk_FragColor.x = half(uintMaxPlusOne);
11}
12