SPIRV-Cross/reference/opt/shaders-msl/comp/dowhile.comp

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

using namespace metal;

struct SSBO
{
    float4x4 mvp;
    float4 in_data[1];
};

struct SSBO2
{
    float4 out_data[1];
};

constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);

kernel void main0(const device SSBO& _28 [[buffer(0)]], device SSBO2& _52 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
    float4 _59;
    int _60;
    _60 = 0;
    _59 = _28.in_data[gl_GlobalInvocationID.x];
    float4 _42;
    for (;;)
    {
        _42 = _28.mvp * _59;
        int _44 = _60 + 1;
        if (_44 < 16)
        {
            _60 = _44;
            _59 = _42;
        }
        else
        {
            break;
        }
    }
    _52.out_data[gl_GlobalInvocationID.x] = _42;
}