var color_out : vec4; var color_in : vec4; fn main_1() { let x_12 : vec4 = color_in; color_out = x_12; return; } struct main_out { [[location(0)]] color_out_1 : vec4; }; [[stage(fragment)]] fn main([[location(0)]] color_in_param : vec4) -> main_out { color_in = color_in_param; main_1(); return main_out(color_out); }