public Event EnqueueMapBuffer(
Buffer buffer, bool blocking, MapFlags flags,
ulong offset, ulong size, Event[] events, out IntPtr pointer)
{
ClHelper.ThrowNullException(Handle);
if (buffer == Buffer.Null)
{
throw new ArgumentNullException("buffer");
}
unsafe
{
int num_events_in_wait_list = events == null ? 0 : events.Length;
IntPtr *wait_list = stackalloc IntPtr[num_events_in_wait_list];
for (int i = 0; i < num_events_in_wait_list; ++i)
{
wait_list[i] = events[i].Handle;
}
if (events == null)
{
wait_list = null;
}
IntPtr event_ptr = IntPtr.Zero;
int error;
void *result = Cl.EnqueueMapBuffer(Handle,
buffer.Handle, blocking ? 1u : 0u, (ulong)flags,
new UIntPtr(offset), new UIntPtr(size),
(uint)num_events_in_wait_list, wait_list, &event_ptr, &error);
ClHelper.GetError(error);
pointer = new IntPtr(result);
return(new Event(event_ptr));
}
}