vello/tests/shader/gen/clear.msl

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

using namespace metal;

struct ConfigBuf
{
    uint size;
    uint value;
};

struct TargetBuf
{
    uint data[1];
};

constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(256u, 1u, 1u);

kernel void main0(const device ConfigBuf& _19 [[buffer(0)]], device TargetBuf& _32 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
    uint ix = gl_GlobalInvocationID.x;
    if (ix < _19.size)
    {
        _32.data[ix] = _19.value;
    }
}