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NSOpenGLView doesn't show all frames rendered by QCRenderer

Subject: NSOpenGLView doesn't show all frames rendered by QCRenderer
From: Gereon Frahling <email@hidden>
Date: Fri, 16 Sep 2005 10:15:03 +0200
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Hi,

I render a composition with QCRenderer at about 70fps (according to FPS display), but it doesn't look smooth. In the QC App and as a standalone screensaver the composition is smooth even with 60 fps.

I checked, the times passed to renderAtTime: are smooth values with distance about 1/70. It looks like QCRenderer renderes 70fps, but not all frames are displayed within the view.

I call [openGLContext flushBuffer] immediately after renderAtTime:

What can be the reason for this problem?

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