J.P. Delport wrote:
> Hi,
> 
> Jason Daly wrote:
> 
> > David Glenn wrote:
> > 
> 
> 
> > 
> > > I know I'm going to get the Why are you doing this reaction, but that 
> > > is the requirements! The user will be able to run Performer and OSG at 
> > > the same time! The best answer I can come up with is "use Core Duo or 
> > > better" but that means dumping 64 boxes!   
> > > 
> > 
> > 
> > I'd make sure both the OSG and Performer apps are running 
> > single-threaded/single process (PFMP_APPCULLDRAW).
> > 
> > You can set the environment variable OSG_THREADING to "SingleThreaded" 
> > to handle the OSG app.  I couldn't find an equivalent for Performer, so 
> > you might have to edit the code and change/add the call to 
> > pfMultiprocess(PFMP_APPCULLDRAW).
> > 
> > Also, I remember having issues with an Nvidia driver running multiple 
> > contexts before.  What happens on that machine if you just run two 
> > copies of either program (or two copies of glxgears, for that matter).  
> > You can try turning off Vsync (set the __GL_SYNC_TO_VBLANK environment 
> > variable to 0), as I remember this helping to work around it.
> > 
> > I don't think getting a Quadro will help you with this problem (that's 
> > just PNY trying to sell you more expensive cards).  NVIDIA's Linux 
> > support is way better than anyone else's, for both GeForce and Quadro.
> > 
> 
> you can also try fiddling with the cpu affinity of the OSG threads. 
> AFAIK in single threaded mode OSG would take CPU0 for rendering and move 
> the databasepager to CPU1.
> 
> See this:
> http://thread.gmane.org/gmane.comp.graphics.openscenegraph.user/52734
> 
> Also grep the OSG code for "setProcessorAffinity".
> 
> jp
> 
> 
> > 
> > --"J"
> > 
> > _______________________________________________
> > osg-users mailing list
> > 
> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
> > 
> > 
> 
> -- 
> This message is subject to the CSIR's copyright terms and conditions, e-mail 
> legal notice, and implemented Open Document Format (ODF) standard. 
> The full disclaimer details can be found at 
> http://www.csir.co.za/disclaimer.html.
> 
> This message has been scanned for viruses and dangerous content by 
> MailScanner, 
> and is believed to be clean.  MailScanner thanks Transtec Computers for their 
> support.
> 
> _______________________________________________
> osg-users mailing list
> 
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
> 
>  ------------------
> Post generated by Mail2Forum


So far I haven’t had any issues with data handling and display, but it's a nice 
thing to know about - just in case.  

Thanks!

Is there any kind of thread handling in QT that is useful? I am using QT on the 
OSG part (that I wrote), but I have never look into it about having any thread 
control!

D Glenn

------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=24305#24305





_______________________________________________
osg-users mailing list
[email protected]
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org

Reply via email to