public void Fill(Memory mem, int off, int len, float val)
{
HandleEvent();
Cl.EnqueueFillBuffer(env.CommandQueues[1], mem.buf, val, sizeof(float), (uint)off, (uint)len, 0, null, out Event eve);
lastEventHandler = () =>
{
Cl.WaitForEvents(1, new Event[] { eve });
eve.Release();
};
}
public Event EnqueueFillBuffer(Buffer buffer,
IntPtr pattern, ulong patternSize,
ulong offset, ulong size, Event[] events)
{
ClHelper.ThrowNullException(Handle);
if (buffer == Buffer.Null)
{
throw new ArgumentNullException("buffer");
}
if (pattern == IntPtr.Zero)
{
throw new ArgumentNullException("pattern");
}
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;
ClHelper.GetError(Cl.EnqueueFillBuffer(Handle, buffer.Handle,
pattern.ToPointer(), new UIntPtr(patternSize), new UIntPtr(offset), new UIntPtr(size),
(uint)num_events_in_wait_list, wait_list, &event_ptr));
return(new Event(event_ptr));
}
}