HSJIN-AIR-APP/Library/PackageCache/com.unity.rendering.light-t.../Runtime/UnifiedRayTracing/Common/Utilities/CopyBuffer.compute

#define GROUP_SIZE 256
#define ELEMENTS_PER_THREAD 8

StructuredBuffer<uint> _SrcBuffer;
int _SrcOffset;
RWStructuredBuffer<uint> _DstBuffer;
int _DstOffset;
int _Size;

#pragma kernel CopyBuffer
[numthreads(GROUP_SIZE,1,1)]
void CopyBuffer(uint gidx : SV_DispatchThreadID)
{
    for (int i = 0; i < ELEMENTS_PER_THREAD; ++i)
    {
        int elemIndex = gidx * ELEMENTS_PER_THREAD + i;
        if (elemIndex >= _Size)
            return;

        uint value = _SrcBuffer[elemIndex + _SrcOffset];
        _DstBuffer[elemIndex + _DstOffset] = value;
    }
}