Re: OpenGL app kills Performer app.

New Message Reply Date view Thread view Subject view Author view

Kenneth R. Sewell III (sewell++at++siscom.net)
Thu, 11 Nov 1999 14:29:26 -0500


The OpenGL app uses no textures. The OpenGL app isn't very
graphics intensive, just a couple of 2D displays, mostly
solid polygons, a couple of small bitmaps (32x32).

Ken
Sewell++at++dramail.com
Defense Research Associates

Angus Dorbie wrote:
>
> Sounds like the context switch doesn't like to play with cliptextures.
>
> What's your texture memory usage on the other OpenGL application? If you
> ease up on that such that the sum of the applications doesn't
> oversubscribe texture you might be in better shape. I'll pass along this
> information to the engineer currently responsible for texture memory
> management. He's looking at CLIP texture paging anyway.
>
> In general paging out a clip texture is going to be very painful and
> undermine some of it's important objectives.
>
> Cheers,Angus.
>
> "Kenneth R. Sewell III" wrote:
> >
> > I have a Performer application and an OpenGL application
> > that I run simultaneously on the same graphics pipe on our
> > Onyx2. I have the Onyx2 (IR2 pipe) configured such that it
> > manages an area 2560x1024 in size with channels 0 and 1 each
> > displaying half of this area. Anyway, if I run the OpenGL
> > app and Performer app(using a clipmap texture), the screen
> > scrambles and the Xserver restarts and kicks back to the
> > login screen. If I run both apps, but don't use the
> > clipmap, everything runs fine. If I run the Performer
> > app(w/clipmap) alone, it runs great, but the moment I start
> > up the OpenGL app it screws up. Does anyone know why this
> > happens? I'm running on a Origin 2000/Onyx2 Rack mount, IR2
> > w/2RM boards and Irix 6.5.3. Thanks.
> >
> > Ken
> > Sewell++at++dramail.com
> > Defense Research Associates


New Message Reply Date view Thread view Subject view Author view

This archive was generated by hypermail 2.0b2 on Thu Nov 11 1999 - 11:29:20 PST

This message has been cleansed for anti-spam protection. Replace '++at++' in any mail addresses with the '@' symbol.