/// <summary>
/// Creates a new <see cref="OpenCLContext"/> on all the <see cref="OpenCLDevice"/>s that match the specified <see cref="OpenCLDeviceTypes"/>.
/// </summary>
/// <param name="deviceType"> A bit-field that identifies the type of <see cref="OpenCLDevice"/> to associate with the <see cref="OpenCLContext"/>. </param>
/// <param name="properties"> A <see cref="OpenCLContextPropertyList"/> of the <see cref="OpenCLContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="OpenCLContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="OpenCLContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="userDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public OpenCLContext(OpenCLDeviceType deviceType, OpenCLContextPropertyList properties, OpenCLContextNotifier notify, IntPtr userDataPtr)
{
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
OpenCLErrorCode error = OpenCLErrorCode.Success;
Handle = CL10.CreateContextFromType(propertyArray, deviceType, notify, userDataPtr, out error);
OpenCLException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
OpenCLContextProperty platformProperty = properties.GetByName(OpenCLContextProperties.Platform);
this.platform = OpenCLPlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
//Trace.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
/// <summary>
/// Creates a new <see cref="OpenCLContext"/> on a collection of <see cref="OpenCLDevice"/>s.
/// </summary>
/// <param name="devices"> A collection of <see cref="OpenCLDevice"/>s to associate with the <see cref="OpenCLContext"/>. </param>
/// <param name="properties"> A <see cref="OpenCLContextPropertyList"/> of the <see cref="OpenCLContext"/>. </param>
/// <param name="notify"> A delegate instance that refers to a notification routine. This routine is a callback function that will be used by the OpenCL implementation to report information on errors that occur in the <see cref="OpenCLContext"/>. The callback function may be called asynchronously by the OpenCL implementation. It is the application's responsibility to ensure that the callback function is thread-safe and that the delegate instance doesn't get collected by the Garbage Collector until <see cref="OpenCLContext"/> is disposed. If <paramref name="notify"/> is <c>null</c>, no callback function is registered. </param>
/// <param name="notifyDataPtr"> Optional user data that will be passed to <paramref name="notify"/>. </param>
public OpenCLContext(List<OpenCLDevice> devices, OpenCLContextPropertyList properties, OpenCLContextNotifier notify, IntPtr notifyDataPtr)
{
int handleCount;
CLDeviceHandle[] deviceHandles = OpenCLTools.ExtractHandles(devices, out handleCount);
IntPtr[] propertyArray = (properties != null) ? properties.ToIntPtrArray() : null;
callback = notify;
OpenCLErrorCode error = OpenCLErrorCode.Success;
Handle = CL10.CreateContext(propertyArray, handleCount, deviceHandles, notify, notifyDataPtr, out error);
OpenCLException.ThrowOnError(error);
SetID(Handle.Value);
this.properties = properties;
OpenCLContextProperty platformProperty = properties.GetByName(OpenCLContextProperties.Platform);
this.platform = OpenCLPlatform.GetByHandle(platformProperty.Value);
this.devices = GetDevices();
//Trace.WriteLine("Create " + this + " in Thread(" + Thread.CurrentThread.ManagedThreadId + ").", "Information");
}
