Re: X11 reshape & OpenGL total system crash
Re: X11 reshape & OpenGL total system crash
- Subject: Re: X11 reshape & OpenGL total system crash
- From: Theodore Witkamp <email@hidden>
- Date: Mon, 14 Jul 2003 14:08:25 -0500
I would be perfectly happy if just X11.app would crash but my whole
system crashes. I am not accessing Xlib asynchronously. I just have a
thread which issues OpenGL instructions. I also lock the Xlib main
thread when issuing glx instructions. I am currently working on a
simple test case to try duplicate the problem.
Thanks.
On Monday, July 14, 2003, at 01:33 PM, Tim Cutts wrote:
As I understand it the beta X11.app is based on XFree86 4.2.1 and is
not
thread-safe. I don't know whether the final release in Panther will
be,
although it is going to be based on XFree86 4.3
Tim
On Mon, Jul 14, 2003 at 12:29:43PM -0500, Theodore Witkamp wrote:
I have been working on an OpenGL app which crashes my PowerBook G4
only
when i resize the GL viewport
I think it is a concurrency issue. I have a separate GL rendering
thread. I do a XSync before i sync with the rendering thread to
reshape
the viewport. I have prevented this problem by adding some delay
before
the reshape handler returns.
Any ideas?
Thanks.
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--
Dr Tim Cutts
Informatics Systems Group
Wellcome Trust Sanger Institute, Hinxton, Cambridge, CB10 1SA, UK
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