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Re: Carbon window compositing
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Re: Carbon window compositing


  • Subject: Re: Carbon window compositing
  • From: Marc Poirier <email@hidden>
  • Date: Tue, 12 Jul 2005 17:54:01 -0400 (EDT)

On Fri, 8 Jul 2005, seb_plogue wrote:

I've been thinking about posting this for a while so might as well
do it now while we're on the subject.

Luke Bellandi wrote:

Compositing is set on a Carbon window at the time it's created. It's at the Audio Unit host's discretion as to whether or not the window will be composited: views don't have any control over that. Consequently, views should be prepared to draw correctly in both composited and non-composited Carbon windows.

Last time I tried having composite windows I had problems with some plug-ins not drawing correctly (I admit it's been a few months so maybe they all work now). So as long as these plug-ins are floating around that would stop hosts to give composite windows to plug-ins. Any host using composite windows only yet?

Shouldn't there be something in the plist of the component to
specify a plug-in prefers composite or not so those not publishing
it would get a non-composite window?


I agree that it's definitely a problem that so many AUCarbonViews fail to work in compositing windows (for what it's worth, though, all of the AUs that I've developed do and have for a long time), however an AU Component doesn't have any connection to a plist (or bundle, for that matter), so this won't work. There's no way to go from Component or ComponentInstance to CFBundleRef.

Marc
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  • Follow-Ups:
    • Re: Carbon window compositing
      • From: William Stewart <email@hidden>
References: 
 >Carbon window compositing (From: Bill Preder <email@hidden>)
 >Re: Carbon window compositing (From: Luke Bellandi <email@hidden>)
 >Re: Carbon window compositing (From: seb_plogue <email@hidden>)

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