|  | #include <metal_stdlib> | 
|  |  | 
|  | using namespace metal; | 
|  | struct FragmentInputs { | 
|  | float4 position; | 
|  | bool front_facing; | 
|  | uint sample_index; | 
|  | uint sample_mask; | 
|  | }; | 
|  |  | 
|  | fragment void tint_symbol(float4 tint_symbol_2 [[position]], bool tint_symbol_3 [[front_facing]], uint tint_symbol_4 [[sample_id]], uint tint_symbol_5 [[sample_mask]]) { | 
|  | FragmentInputs const inputs = {.position=tint_symbol_2, .front_facing=tint_symbol_3, .sample_index=tint_symbol_4, .sample_mask=tint_symbol_5}; | 
|  | if (inputs.front_facing) { | 
|  | float4 const foo = inputs.position; | 
|  | uint const bar = (inputs.sample_index + inputs.sample_mask); | 
|  | } | 
|  | return; | 
|  | } | 
|  |  |