wgpu/naga/tests/out/msl/extra.msl

// language: metal2.2
#include <metal_stdlib>
#include <simd/simd.h>

using metal::uint;

struct PushConstants {
    uint index;
    char _pad1[12];
    metal::float2 double_;
};
struct FragmentIn {
    metal::float4 color;
    uint primitive_index;
};

struct main_Input {
    metal::float4 color [[user(loc0), center_perspective]];
};
struct main_Output {
    metal::float4 member [[color(0)]];
};
fragment main_Output main_(
  main_Input varyings [[stage_in]]
, uint primitive_index [[primitive_id]]
, constant PushConstants& pc [[buffer(1)]]
) {
    const FragmentIn in = { varyings.color, primitive_index };
    uint _e4 = pc.index;
    if (in.primitive_index == _e4) {
        return main_Output { in.color };
    } else {
        return main_Output { metal::float4(metal::float3(1.0) - in.color.xyz, in.color.w) };
    }
}