|  | #include <metal_stdlib> | 
|  |  | 
|  | using namespace metal; | 
|  | struct tint_symbol_2 { | 
|  | float none [[user(locn0)]]; | 
|  | float flat [[user(locn1)]] [[flat]]; | 
|  | float perspective_center [[user(locn2)]] [[center_perspective]]; | 
|  | float perspective_centroid [[user(locn3)]] [[centroid_perspective]]; | 
|  | float perspective_sample [[user(locn4)]] [[sample_perspective]]; | 
|  | float linear_center [[user(locn5)]] [[center_no_perspective]]; | 
|  | float linear_centroid [[user(locn6)]] [[centroid_no_perspective]]; | 
|  | float linear_sample [[user(locn7)]] [[sample_no_perspective]]; | 
|  | }; | 
|  |  | 
|  | void tint_symbol_inner(float none, float flat, float perspective_center, float perspective_centroid, float perspective_sample, float linear_center, float linear_centroid, float linear_sample) { | 
|  | } | 
|  |  | 
|  | fragment void tint_symbol(tint_symbol_2 tint_symbol_1 [[stage_in]]) { | 
|  | tint_symbol_inner(tint_symbol_1.none, tint_symbol_1.flat, tint_symbol_1.perspective_center, tint_symbol_1.perspective_centroid, tint_symbol_1.perspective_sample, tint_symbol_1.linear_center, tint_symbol_1.linear_centroid, tint_symbol_1.linear_sample); | 
|  | return; | 
|  | } | 
|  |  |