/// <summary>
/// Enqueues a command to acquire a collection of <see cref="ComputeMemory"/>s that have been previously created from OpenGL objects.
/// </summary>
/// <param name="memObjs"> A collection of OpenCL memory objects that correspond to OpenGL objects. </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 AcquireGLObjects(ICollection <ComputeMemory> memObjs, ICollection <ComputeEventBase> events)
{
int memObjCount;
CLMemoryHandle[] memObjHandles = ComputeTools.ExtractHandles(memObjs, out memObjCount);
int eventWaitListSize;
CLEventHandle[] eventHandles = ComputeTools.ExtractHandles(events, out eventWaitListSize);
bool eventsWritable = (events != null && !events.IsReadOnly);
CLEventHandle[] newEventHandle = (eventsWritable) ? new CLEventHandle[1] : null;
ComputeErrorCode error = ComputeErrorCode.Success;
error = CL10.EnqueueAcquireGLObjects(Handle, memObjCount, memObjHandles, eventWaitListSize, eventHandles, newEventHandle);
ComputeException.ThrowOnError(error);
if (eventsWritable)
{
events.Add(new ComputeEvent(newEventHandle[0], this));
}
}
/// <summary>
/// Enqueues a command to acquire a collection of <see cref="OpenCLMemory"/>s that have been previously created from OpenGL objects.
/// </summary>
/// <param name="memObjs"> A collection of OpenCL memory objects that correspond to OpenGL objects. </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 AcquireGLObjects(IList <OpenCLMemory> memObjs, IReadOnlyList <OpenCLEventBase> events = null, IList <OpenCLEventBase> newEvents = null)
{
int memObjCount;
CLMemoryHandle[] memObjHandles = OpenCLTools.ExtractHandles(memObjs, out memObjCount);
int eventWaitListSize;
CLEventHandle[] eventHandles = OpenCLTools.ExtractHandles(events, out eventWaitListSize);
CLEventHandle[] newEventHandle = (newEvents != null) ? new CLEventHandle[1] : null;
OpenCLErrorCode error = OpenCLErrorCode.Success;
error = CL10.EnqueueAcquireGLObjects(Handle, memObjCount, memObjHandles, eventWaitListSize, eventHandles, newEventHandle);
OpenCLException.ThrowOnError(error);
if (newEvents != null)
{
lock (newEvents)
{
newEvents.Add(new OpenCLEvent(newEventHandle[0], this));
}
}
}