public void ReadFromBuffer <T>(ComputeBuffer <T> source, ref T[] destination, bool blocking, long sourceOffset, long destinationOffset, long region, IList <ComputeEvent> events) where T : unmanaged
{
GCHandle destinationGCHandle = GCHandle.Alloc(destination, GCHandleType.Pinned);
IntPtr destinationOffsetPtr = Marshal.UnsafeAddrOfPinnedArrayElement(destination, (int)destinationOffset);
if (blocking)
{
Read(source, blocking, sourceOffset, region, destinationOffsetPtr, events);
destinationGCHandle.Free();
}
else
{
bool userEventsWritable = events != null && !events.IsReadOnly;
IList <ComputeEvent> eventList = userEventsWritable ? events : Events;
Read(source, blocking, sourceOffset, region, destinationOffsetPtr, eventList);
ComputeEvent newEvent = (ComputeEvent)eventList[eventList.Count - 1];
newEvent.TrackGCHandle(destinationGCHandle);
}
}
public ComputeCommandStatusArgs(ComputeEvent ev, ComputeCommandExecutionStatus status)
{
Event = ev;
Status = status;
}