1uniform float unknownInput;
2
3void main() {
4    half value = 0.0;
5    switch (0) {
6        case 0:
7            value = 0.0;
8            if (unknownInput == 2) {
9                sk_FragColor = value.xxxx;
10                break;
11            }
12        case 1:
13            value = 1.0;
14    }
15}
16