/// <summary>
/// Runs the given action on the UI thread and blocks the current thread while the action is running.
/// If the current thread is the UI thread, the action will run immediately.
/// </summary>
/// <param name="action">The action to be run on the UI thread</param>
internal static void BlockOnUIThread(Action action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
#if (DIRECTX && !WINDOWS_PHONE) || PSM
action();
#else
// If we are already on the UI thread, just call the action and be done with it
if (IsOnUIThread())
{
try
{
action();
}
catch (UnauthorizedAccessException ex)
{
// Need to be on a different thread
#if WINDOWS_PHONE
BlockOnContainerThread(Deployment.Current.Dispatcher, action);
#else
throw (ex);
#endif
}
return;
}
#if IOS
lock (BackgroundContext)
{
// Make the context current on this thread if it is not already
if (!Object.ReferenceEquals(EAGLContext.CurrentContext, BackgroundContext))
{
EAGLContext.SetCurrentContext(BackgroundContext);
}
// Execute the action
action();
// Must flush the GL calls so the GPU asset is ready for the main context to use it
GL.Flush();
GraphicsExtensions.CheckGLError();
}
#elif WINDOWS || LINUX || ANGLE
lock (BackgroundContext)
{
// Make the context current on this thread
BackgroundContext.MakeCurrent(WindowInfo);
// Execute the action
action();
// Must flush the GL calls so the texture is ready for the main context to use
GL.Flush();
GraphicsExtensions.CheckGLError();
// Must make the context not current on this thread or the next thread will get error 170 from the MakeCurrent call
BackgroundContext.MakeCurrent(null);
}
#elif WINDOWS_PHONE
BlockOnContainerThread(Deployment.Current.Dispatcher, action);
#else
ManualResetEventSlim resetEvent = new ManualResetEventSlim(false);
#if MONOMAC
MonoMac.AppKit.NSApplication.SharedApplication.BeginInvokeOnMainThread(() =>
#else
Add(() =>
#endif
{
#if ANDROID
//if (!Game.Instance.Window.GraphicsContext.IsCurrent)
((AndroidGameWindow)Game.Instance.Window).GameView.MakeCurrent();
#endif
action();
resetEvent.Set();
});
resetEvent.Wait();
#endif
#endif
}
/// <summary>
/// Runs the given action on the UI thread and blocks the current thread while the action is running.
/// If the current thread is the UI thread, the action will run immediately.
/// </summary>
/// <param name="action">The action to be run on the UI thread</param>
internal static void BlockOnUIThread(Action action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
#if DIRECTX || PSM
action();
#else
// If we are already on the UI thread, just call the action and be done with it
if (mainThreadId == Thread.CurrentThread.ManagedThreadId)
{
action();
return;
}
#if IOS
lock (BackgroundContext)
{
// Make the context current on this thread if it is not already
if (!Object.ReferenceEquals(EAGLContext.CurrentContext, BackgroundContext))
{
EAGLContext.SetCurrentContext(BackgroundContext);
}
// Execute the action
action();
// Must flush the GL calls so the GPU asset is ready for the main context to use it
GL.Flush();
GraphicsExtensions.CheckGLError();
}
#elif WINDOWS || LINUX
lock (BackgroundContext)
{
// Make the context current on this thread
BackgroundContext.MakeCurrent(WindowInfo);
// Execute the action
action();
// Must flush the GL calls so the texture is ready for the main context to use
GL.Flush();
GraphicsExtensions.CheckGLError();
// Must make the context not current on this thread or the next thread will get error 170 from the MakeCurrent call
BackgroundContext.MakeCurrent(null);
}
#elif !PORTABLE
ManualResetEventSlim resetEvent = new ManualResetEventSlim(false);
#if MONOMAC
MonoMac.AppKit.NSApplication.SharedApplication.BeginInvokeOnMainThread(() =>
#else
Add(() =>
#endif
{
#if ANDROID
//if (!Game.Instance.Window.GraphicsContext.IsCurrent)
Game.Instance.Window.MakeCurrent();
#endif
action();
resetEvent.Set();
});
resetEvent.Wait();
#endif
#endif
}