public static Context CreateContext(Platform platform, Device[] devices, ContextNotify callback, object userData)
{
var pty = platform != null ? new ContextProperty[] { new ContextProperty(ContextProperties.Platform, platform.handle), ContextProperty.Zero } : null;
var num = devices.Length;
var dev = new IntPtr[num];
for (var i = 0; i < num; i++)
{
dev[i] = devices[i].handle;
}
var pfn = (ContextNotifyData)null;
var pcb = (ContextNotifyInternal)null;
var ptr = IntPtr.Zero;
if (callback != null)
{
pfn = new ContextNotifyData(callback, userData);
pcb = ContextNotifyData.Callback;
ptr = pfn.Handle;
}
var err = ErrorCode.Success;
var ctx = NativeMethods.clCreateContext(pty, (uint)num, dev, pcb, ptr, out err);
if (err != ErrorCode.Success)
{
throw new OpenClException(err);
}
return(new Context(ctx, pfn));
}
protected override void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing && this.callback != null)
{
this.callback.Dispose();
}
this.callback = null;
this.disposed = true;
}
base.Dispose(disposing);
}
public static Context CreateContextFromType(Platform platform, DeviceType type, ContextNotify callback, object userData)
{
var pty = platform != null ? new ContextProperty[] { new ContextProperty(ContextProperties.Platform, platform.handle), ContextProperty.Zero } : null;
var pfn = (ContextNotifyData)null;
var pcb = (ContextNotifyInternal)null;
var ptr = IntPtr.Zero;
if (callback != null)
{
pfn = new ContextNotifyData(callback, userData);
pcb = ContextNotifyData.Callback;
ptr = pfn.Handle;
}
var err = ErrorCode.Success;
var ctx = NativeMethods.clCreateContextFromType(pty, type, pcb, ptr, out err);
if (err != ErrorCode.Success)
{
throw new OpenClException(err);
}
return(new Context(ctx, pfn));
}
internal Context(IntPtr handle, ContextNotifyData cb) : base(handle)
{
this.callback = cb;
}