My app uses SceneKit to do 3D rendering, and on the iPad Pro, it detects the 120Hz screen and lets you pick that as a target frames per second in the settings. All works well.
On the iPhone 13 Pro, it can see the screen, and shows the option, but everything seems to be capped at 60Hz regardless of what you set the preferredFramesPerSecond of the SceneView to.
Does anybody have an idea what I need to do on the iPhone to get this to work? Thanks!
jamesthomson
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I've run into a really weird bug with a macOS screen saver I've been developing using the ScreenSaver framework. It works fine on Ventura, but on Sonoma, when the user dismisses the screensaver, it continues to animate invisibly in the background using up CPU and GPU cycles. Even worse, when the user activates the screensaver a second time, yet another copy appears to be created, and so on. The call to stop animating is also never sent to the view, as far as I can tell.
I logged this as FB13041503 already, but I'm trying to come up with a workaround now, since this is still happening in the release version of macOS 14.0.
Any ideas how I can detect that the screensaver has been dismissed, so I can minimise my resource usage? I've even tried watching for things like NSWindowDidChangeOcclusionStateNotification but nothing seems to get called that I can use.