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Occasional stutter on animated window resize?

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Occasional stutter on animated window resize?

Subject: Occasional stutter on animated window resize?
From: Jonathan del Strother <email@hidden>
Date: Fri, 21 Oct 2005 23:16:20 +0100

I'm using [window setFrame:target display:YES animate:YES] to zoom a window to fullscreen (like the QuickTime Pro fullscreen effect). Very occasionally, there's a nasty stutter as the window approaches about 90% of fullscreen, and I'm having problems pinpointing the cause. I don't get any stuttering if I manually resize the window to a similar size.

I've been trying to profile the stutter with Shark, but I'm not doing very well - it's a very sporadic thing, and only stutters for half a second, so it's a little tricky to catch... My only potential culprit is that quite a bit of time seemed to be spent in _handleWindowNeedsDisplay->CGContextFillRect->ripc_Render- >ARGB32_mark, for the samples where stuttering occurred.

The window is filled with an OpenGL-based NSView. It can stutter even if I'm doing something as trivial as glClear(), glSwapAPPLE().

Any suggestions what I might be able to do to reduce this stutter, or tests that might help me find the cause? Thanks Jon _______________________________________________ Do not post admin requests to the list. They will be ignored. Cocoa-dev mailing list (email@hidden) Help/Unsubscribe/Update your Subscription: This email sent to email@hidden Prev by Date: Making transparent parts of an opengl view drop clicks to the application behind it Next by Date: Re: OT: Cocoa or Carbon? Previous by thread: Re: Making transparent parts of an opengl view drop clicks to the application behind it Next by thread: [newbie] how to create an inspector Index(es): Date Thread