Just curious - are you using garbage collection?  We recently determined
there is a bug in QCCompositionLayer with garbage collection that prevents
the composition from playing.  QCCompositionLayer is a subclass of
CAOpenGLLayer. Maybe you hit the same bug?


On 1/31/09 10:09 AM, "cocoa-dev-requ...@lists.apple.com"
<cocoa-dev-requ...@lists.apple.com> wrote:

> I am trying to play  QCComposition in CAOpenGLLayer
> According to the documentation of QCRenderer this should work fine.
> but at final output nothing is displayed. Can anyone tell me where i
> am going wrong...?
> 
> but at final output nothing is displayed. Can anyone tell me where i
> am going wrong.



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