/// <summary>
/// Enqueues a command to copy data from buffer to <see cref="ComputeImage"/>.
/// </summary>
/// <typeparam name="T"> The type of data in <paramref name="source"/>. </typeparam>
/// <param name="source"> The buffer to copy from. </param>
/// <param name="destination"> The image to copy to. </param>
/// <param name="sourceOffset"> The <paramref name="source"/> element position where reading starts. </param>
/// <param name="destinationOffset"> The <paramref name="destination"/> element position where writing starts. </param>
/// <param name="region"> The region of elements to copy. </param>
/// <param name="events"> A collection of events that need to complete before this particular command can be executed. If <paramref name="events"/> is not <c>null</c> or read-only a new <see cref="ComputeEvent"/> identifying this command is created and attached to the end of the collection. </param>
public void Copy <T>(ComputeBufferBase <T> source, ComputeImage destination, long sourceOffset, SysIntX3 destinationOffset, SysIntX3 region, ICollection <ComputeEventBase> events) where T : struct
{
int sizeofT = HDSPUtils.SizeOf(typeof(T));
int eventWaitListSize;
CLEventHandle[] eventHandles = ComputeTools.ExtractHandles(events, out eventWaitListSize);
bool eventsWritable = (events != null && !events.IsReadOnly);
CLEventHandle[] newEventHandle = (eventsWritable) ? new CLEventHandle[1] : null;
ComputeErrorCode error = CL10.EnqueueCopyBufferToImage(Handle, source.Handle, destination.Handle, new IntPtr(sourceOffset * sizeofT), ref destinationOffset, ref region, eventWaitListSize, eventHandles, newEventHandle);
ComputeException.ThrowOnError(error);
if (eventsWritable)
{
events.Add(new ComputeEvent(newEventHandle[0], this));
}
}
/// <summary>
/// Enqueues a command to copy data from buffer to <see cref="OpenCLImage"/>.
/// </summary>
/// <typeparam name="T"> The type of data in <paramref name="source"/>. </typeparam>
/// <param name="source"> The buffer to copy from. </param>
/// <param name="destination"> The image to copy to. </param>
/// <param name="sourceOffset"> The <paramref name="source"/> element position where reading starts. </param>
/// <param name="destinationOffset"> The <paramref name="destination"/> element position where writing starts. </param>
/// <param name="region"> The region of elements to copy. </param>
/// <param name="events"> A collection of events that need to complete before this particular command can be executed. If <paramref name="events"/> is not <c>null</c> or read-only a new <see cref="OpenCLEvent"/> identifying this command is created and attached to the end of the collection. </param>
public void Copy(OpenCLBufferBase source, OpenCLImage destination, long sourceOffset, SysIntX3 destinationOffset, SysIntX3 region, IReadOnlyList <OpenCLEventBase> events = null, IList <OpenCLEventBase> newEvents = null)
{
int sizeofT = Marshal.SizeOf(source.ElementType);
int eventWaitListSize;
CLEventHandle[] eventHandles = OpenCLTools.ExtractHandles(events, out eventWaitListSize);
CLEventHandle[] newEventHandle = (newEvents != null) ? new CLEventHandle[1] : null;
OpenCLErrorCode error = CL10.EnqueueCopyBufferToImage(Handle, source.Handle, destination.Handle, new IntPtr(sourceOffset * sizeofT), ref destinationOffset, ref region, eventWaitListSize, eventHandles, newEventHandle);
OpenCLException.ThrowOnError(error);
if (newEvents != null)
{
lock (newEvents)
{
newEvents.Add(new OpenCLEvent(newEventHandle[0], this));
}
}
}