static CVReturn OutputCallback(IntPtr displayLink, ref CVTimeStamp inNow, ref CVTimeStamp inOutputTime, CVOptionFlags flagsIn, ref CVOptionFlags flagsOut, IntPtr displayLinkContext)
{
GCHandle callbackHandle = GCHandle.FromIntPtr(displayLinkContext);
DisplayLinkOutputCallback func = (DisplayLinkOutputCallback)callbackHandle.Target;
CVDisplayLink delegateDisplayLink = new CVDisplayLink(displayLink, false);
return(func(delegateDisplayLink, ref inNow, ref inOutputTime, flagsIn, ref flagsOut));
}
private void SetupDisplayLink()
{
if (displayLink != null)
return;
// 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 Callback function for CVDisplayLink
private CVReturn MyDisplayLinkOutputCallback(CVDisplayLink displayLink, ref CVTimeStamp inNow, ref CVTimeStamp inOutputTime, CVOptionFlags flagsIn, ref CVOptionFlags flagsOut)
{
//CVReturn result = GetFrameForTime (inOutputTime);
CVReturn result = CVReturn.Error;
// There is no autorelease pool when this method is called because it will be called from a background thread
// It's important to create one or you will leak objects
using (NSAutoreleasePool pool = new NSAutoreleasePool ()) {
// Update the animation
BeginInvokeOnMainThread (RenderScene);
result = CVReturn.Success;
}
return result;
}
// Clean up the notifications
private void DeAllocate()
{
Stop ();
displayLink = null;
NSNotificationCenter.DefaultCenter.RemoveObserver (notificationProxy);
}
static CVReturn OutputCallback (IntPtr displayLink, ref CVTimeStamp inNow, ref CVTimeStamp inOutputTime, CVOptionFlags flagsIn, ref CVOptionFlags flagsOut, IntPtr displayLinkContext)
{
GCHandle callbackHandle = GCHandle.FromIntPtr (displayLinkContext);
DisplayLinkOutputCallback func = (DisplayLinkOutputCallback) callbackHandle.Target;
CVDisplayLink delegateDisplayLink = new CVDisplayLink(displayLink, false);
return func (delegateDisplayLink, ref inNow, ref inOutputTime, flagsIn, ref flagsOut);
}