1
2out vec4 sk_FragColor;
3uniform float unknownInput;
4vec4 main() {
5 bool b = bool(unknownInput);
6 bvec4 b4 = bvec4(b);
7 b4 = bvec4(bvec2(b), false, true);
8 b4 = bvec4(false, b, true, false);
9 b4 = bvec4(false, b, false, b);
10 return vec4(b4);
11}
12