fn pack4x8unorm_95c456() { var res : u32 = pack4x8unorm(vec4()); } [[stage(vertex)]] fn vertex_main() -> [[builtin(position)]] vec4 { pack4x8unorm_95c456(); return vec4(); } [[stage(fragment)]] fn fragment_main() { pack4x8unorm_95c456(); } [[stage(compute)]] fn compute_main() { pack4x8unorm_95c456(); }