// Clean up the notifications
public void DeAllocate()
{
displayLink.Stop();
displayLink.SetOutputCallback(null);
NSNotificationCenter.DefaultCenter.RemoveObserver(notificationProxy);
}
protected override void SetupRenderLoop(bool oneShot)
{
// only start if we haven't already
if (displayLink != null)
{
return;
}
// bail out if we are requesting something that the view doesn't want to
if (!oneShot && !Element.HasRenderLoop)
{
return;
}
// if this is a one shot request, don't bother with the display link
if (oneShot)
{
var nativeView = Control;
nativeView?.BeginInvokeOnMainThread(() =>
{
if (nativeView.Handle != IntPtr.Zero)
{
nativeView.NeedsDisplay = true;
}
});
return;
}
// create the loop
displayLink = new CVDisplayLink();
displayLink.SetOutputCallback(delegate
{
var nativeView = Control;
var formsView = Element;
// stop the render loop if this was a one-shot, or the views are disposed
if (nativeView == null || formsView == null || nativeView.Handle == IntPtr.Zero || !formsView.HasRenderLoop)
{
displayLink.Stop();
displayLink.Dispose();
displayLink = null;
return(CVReturn.Success);
}
// redraw the view
nativeView?.BeginInvokeOnMainThread(() =>
{
if (nativeView != null)
{
nativeView.NeedsDisplay = true;
}
});
return(CVReturn.Success);
});
displayLink.Start();
}
public override void Start()
{
if (link != null)
{
return;
}
link = new CVDisplayLink();
link.SetOutputCallback(DisplayLinkOutputCallback);
link.Start();
}
public void Startup()
{
DisplayTitle();
displayLink = new CVDisplayLink();
displayLink.SetOutputCallback(DisplayLinkOutputCallback);
tickStopWatch = new Stopwatch();
tickStopWatch.Start();
displayLink.Start();
}
private void SetupDisplayLink()
{
// Create a display link capable of being used with all active displays
displayLink = new CVDisplayLink();
// Set the renderer output callback function
displayLink.SetOutputCallback(MyDisplayLinkOutputCallback);
// Set the display link for the current renderer
CGLContext cglContext = openGLContext.CGLContext;
CGLPixelFormat cglPixelFormat = PixelFormat.CGLPixelFormat;
displayLink.SetCurrentDisplay(cglContext, cglPixelFormat);
}
private void Control_Draw(object sender, EventArgs e)
{
Callback.OnInitializeBackend(Widget, new InitializeEventArgs(RenderSize));
if (Widget.Backend == GraphicsBackend.Metal)
{
_displayLink = new CVDisplayLink();
_displayLink.SetOutputCallback(HandleDisplayLinkOutputCallback);
_displayLink.Start();
}
Control.Draw -= Control_Draw;
Widget.SizeChanged += Widget_SizeChanged;
}
partial void DoEnableRenderLoop(bool enable)
{
// stop the render loop
if (!enable)
{
if (displayLink != null)
{
displayLink.Stop();
displayLink.Dispose();
displayLink = null;
}
return;
}
// only start if we haven't already
if (displayLink != null)
{
return;
}
// create the loop
displayLink = new CVDisplayLink();
displayLink.SetOutputCallback(delegate
{
// redraw the view
glView?.BeginInvokeOnMainThread(() =>
{
if (glView != null)
{
glView.NeedsDisplay = true;
}
});
// stop the render loop if it has been disabled or the views are disposed
if (glView == null || !EnableRenderLoop)
{
DoEnableRenderLoop(false);
}
return(CVReturn.Success);
});
displayLink.Start();
}
public override void ViewDidMoveToWindow()
{
base.ViewDidMoveToWindow();
var swapchainSource = SwapchainSource.CreateNSView(Handle);
var swapchainDescription = new SwapchainDescription(swapchainSource, (uint)Frame.Width, (uint)Frame.Height, null, true, true);
if (_backend == GraphicsBackend.Metal)
{
GraphicsDevice = GraphicsDevice.CreateMetal(_deviceOptions);
}
MainSwapchain = GraphicsDevice.ResourceFactory.CreateSwapchain(swapchainDescription);
DeviceReady?.Invoke();
_displayLink = new CVDisplayLink();
_displayLink.SetOutputCallback(HandleDisplayLinkOutputCallback);
_displayLink.Start();
}
protected override void SetupRenderLoop(bool oneShot)
{
// only start if we haven't already
if (displayLink != null)
{
return;
}
// bail out if we are requesting something that the view doesn't want to
if (!oneShot && !Element.HasRenderLoop)
{
return;
}
// create the loop
displayLink = new CVDisplayLink();
displayLink.SetOutputCallback(delegate
{
var formsView = Control;
var nativeView = Element;
// redraw the view
formsView?.Display();
// stop the render loop if this was a one-shot, or the views are disposed
if (formsView == null || nativeView == null || !nativeView.HasRenderLoop)
{
displayLink.Stop();
displayLink.Dispose();
displayLink = null;
}
return(CVReturn.Success);
});
displayLink.Start();
}
private void SetupDisplayLink ()
{
// Create a display link capable of being used with all active displays
displayLink = new CVDisplayLink ();
// Set the renderer output callback function
displayLink.SetOutputCallback (MyDisplayLinkOutputCallback);
// Set the display link for the current renderer
CGLContext cglContext = openGLContext.CGLContext;
CGLPixelFormat cglPixelFormat = PixelFormat.CGLPixelFormat;
displayLink.SetCurrentDisplay (cglContext, cglPixelFormat);
}
protected override void EnableTimer()
{
_link = new CVDisplayLink();
_link.SetOutputCallback(DisplayLinkOutputCallback);
_link.Start();
}
