fn fwidth_5d1b39() { var res : vec3 = fwidth(vec3()); } [[stage(vertex)]] fn vertex_main() -> [[builtin(position)]] vec4 { fwidth_5d1b39(); return vec4(); } [[stage(fragment)]] fn fragment_main() { fwidth_5d1b39(); } [[stage(compute)]] fn compute_main() { fwidth_5d1b39(); }