public override void MakeCurrent(IWindowInfo window)
{
if (window == currentWindow && IsCurrent)
{
return;
}
if (window != null && ((X11WindowInfo)window).Display != Display)
{
throw new InvalidOperationException("MakeCurrent() may only be called on windows originating from the same display that spawned this GL context.");
}
if (window == null)
{
Debug.Write(String.Format("Releasing context {0} from thread {1} (Display: {2})... ",
Handle, System.Threading.Thread.CurrentThread.ManagedThreadId, Display));
bool result;
result = Glx.MakeCurrent(Display, IntPtr.Zero, IntPtr.Zero);
if (result)
{
currentWindow = null;
}
Debug.Print("{0}", result ? "done!" : "failed.");
}
else
{
X11WindowInfo w = (X11WindowInfo)window;
bool result;
Debug.Write(String.Format("Making context {0} current on thread {1} (Display: {2}, Screen: {3}, Window: {4})... ",
Handle, System.Threading.Thread.CurrentThread.ManagedThreadId, Display, w.Screen, w.Handle));
if (Display == IntPtr.Zero || w.Handle == IntPtr.Zero || Handle == ContextHandle.Zero)
{
throw new InvalidOperationException("Invalid display, window or context.");
}
result = Glx.MakeCurrent(Display, w.Handle, Handle);
if (result)
{
currentWindow = w;
}
if (!result)
{
throw new GraphicsContextException("Failed to make context current.");
}
else
{
Debug.WriteLine("done!");
}
}
currentWindow = (X11WindowInfo)window;
}
protected override void Dispose(bool manuallyCalled)
{
if (!IsDisposed)
{
if (manuallyCalled)
{
IntPtr display = Display;
if (IsCurrent)
{
Glx.MakeCurrent(display, IntPtr.Zero, IntPtr.Zero);
}
using (new XLock(display))
{
Glx.DestroyContext(display, Handle);
}
}
}
else
{
Debug.Print("[Warning] {0} leaked.", this.GetType().Name);
}
IsDisposed = true;
}