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Re: QCView openGLContext
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Re: QCView openGLContext


  • Subject: Re: QCView openGLContext
  • From: David Duncan <email@hidden>
  • Date: Fri, 14 Mar 2008 13:39:42 -0700

On Mar 14, 2008, at 12:56 PM, Lorenzo wrote:

I will file a bug.
I run XCode 3.0 - Xcode IDE: 921.0 - Xcode Core: 921.0 - ToolSupport: 893.0

Please file it, its always good to know what will help our developers :).


Actually I have adopted the solution posted by Sam, here in the list.
I render the qc composition into an openGLView using a timer.
It works well. I still get some garbage when resizing this view, but I hope
to fix it soon with the reshape and update APIs.


From what it sounds it seems like thats a good solution, although I'd also wonder why you have multiple GL contexts in a single window, as this is not the best route for performance. You might want to look into merging all of your OpenGL content into a single context instead of the multiple contexts you have.

As for the garbage, it is likely that your QC Compositions are missing a Clear Patch. Adding one should prevent the garbage.
--
David Duncan
Apple DTS Animation and Printing
email@hidden




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