#include using namespace metal; struct FragmentInputs { float4 position; bool front_facing; uint sample_index; uint sample_mask; }; void tint_symbol_inner(FragmentInputs inputs) { if (inputs.front_facing) { float4 const foo = inputs.position; uint const bar = (inputs.sample_index + inputs.sample_mask); } } fragment void tint_symbol(float4 position [[position]], bool front_facing [[front_facing]], uint sample_index [[sample_id]], uint sample_mask [[sample_mask]]) { FragmentInputs const tint_symbol_1 = {.position=position, .front_facing=front_facing, .sample_index=sample_index, .sample_mask=sample_mask}; tint_symbol_inner(tint_symbol_1); return; }