wgpu/tests/out/quad.msl

#include <metal_stdlib>
#include <simd/simd.h>

constexpr constant float c_scale = 1.2;
struct VertexOutput {
    metal::float2 uv;
    metal::float4 position;
};

struct main1Input {
    metal::float2 pos [[attribute(0)]];
    metal::float2 uv1 [[attribute(1)]];
};
struct main1Output {
    metal::float2 uv [[user(loc0), center_perspective]];
    metal::float4 position [[position]];
};
vertex main1Output main1(
  main1Input varyings [[stage_in]]
) {
    const auto pos = varyings.pos;
    const auto uv1 = varyings.uv1;
    const auto _tmp = VertexOutput {uv1, metal::float4(c_scale * pos, 0.0, 1.0)};
    return main1Output { _tmp.uv, _tmp.position };
}


struct main2Input {
    metal::float2 uv2 [[user(loc0), center_perspective]];
};
struct main2Output {
    metal::float4 member1 [[color(0)]];
};
fragment main2Output main2(
  main2Input varyings1 [[stage_in]]
, metal::texture2d<float, metal::access::sample> u_texture [[user(fake0)]]
, metal::sampler u_sampler [[user(fake0)]]
) {
    const auto uv2 = varyings1.uv2;
    metal::float4 _e4 = u_texture.sample(u_sampler, uv2);
    if (_e4.w == 0.0) {
        metal::discard_fragment();
    }
    return main2Output { _e4.w * _e4 };
}