public void Upsert(ref GpuCacheHandle handle, ref T value)
{
FreeListHandle freeListHandle = handle.Value;
if (_slots.ValidateHandle(freeListHandle))
{
Span <Vector4> blocks = GetBlocks(freeListHandle.Index);
value.WriteGpuBlocks(blocks);
return;
}
handle = Insert(ref value);
}