[Xquartz-dev] Is the GLX Accumulation Buffer broken ?

[Jeremy Huddleston Sequoia]

Yes, please provide output from the same system with only the OS version changing from 10.7.4 to 10.7.5.

Thanks.

On Jan 10, 2013, at 2:36 AM, Frava <fravadona at gmail.com> wrote:

> You're right,
> 
> the two logs are from different Macs, but it was just an example... If you prefer I can show you a few hundreds of logs from all the Mac boxes (10.7 & 10.8 with Intel, ATI and Nvidia GPUs) that I administer here in office.
> 
> I only noticed that one of our applications stopped working as soon as we updated some boxes to OS X 10.7.5 (this application never worked on 10.8.*). After some debugging I managed to understand that it is a GLX accumulation buffer issue on 10.7.5 and 10.8.*
> 
> Regards,
> Rafael Navaza.
> 
> 
> 2013/1/9 Jeremy Huddleston Sequoia <jeremyhu at freedesktop.org>
> Your glxinfo output is from two different graphics cards.  Your "working" copy was using:
> 
> OpenGL vendor string: ATI Technologies Inc.
> OpenGL renderer string: AMD Radeon HD 6970M OpenGL Engine
> OpenGL version string: 2.1 ATI-7.18.18
> 
> Your "failing" copy was using:
> 
> OpenGL vendor string: Intel Inc.
> OpenGL renderer string: Intel HD Graphics 3000 OpenGL Engine
> OpenGL version string: 2.1 APPLE-7.32.12
> 
> --Jeremy
> 
> On Jan 9, 2013, at 8:28 AM, Frava <fravadona at gmail.com> wrote:
> 
> > Dear XQuartz dev,
> >
> > I have an application that crashes on Lion 10.7.5 and Mountain Lion 10.8.* with the error : "Error: GLwMDrawingArea: requested visual not supported".
> >
> > By playing a little with the source code of that application I figured out that OS X 10.7.5 and 10.8.* do NOT support the GLX Accumulation Buffer anymore (You can check it by comparing the attached "glxinfo" output from OS X 10.7.4 with the one from OS X 10.7.5)
> >
> > So I have a few questions :
> >   - Is there an easy way to work aroud it ?
> >   - Where do I have to report this bug ? Apple ? XQuartz ? OpenMotif ?
> >
> > Best regards,
> > Rafael Navaza. <glxinfo_OS_X_10.7.4-XQuartz_2.7.4.log><glxinfo_OS_X_10.7.5-XQuartz_2.7.4.log>
> > _______________________________________________
> > Xquartz-dev mailing list
> > Xquartz-dev at lists.macosforge.org
> > http://lists.macosforge.org/mailman/listinfo/xquartz-dev
> 
> 
> _______________________________________________
> Xquartz-dev mailing list
> Xquartz-dev at lists.macosforge.org
> http://lists.macosforge.org/mailman/listinfo/xquartz-dev
> 
> 
> _______________________________________________
> Xquartz-dev mailing list
> Xquartz-dev at lists.macosforge.org
> http://lists.macosforge.org/mailman/listinfo/xquartz-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.macosforge.org/pipermail/xquartz-dev/attachments/20130110/076d7779/attachment.html>