From: Alexander Lechner (alexander.lechner++at++vertigo-systems.de)
Date: 08/17/2004 10:17:31
Hi Daniel!
You should use OpenGL Performer 3.1.1.
Alex
On Tuesday 17 August 2004 14:04, DANIEL BASS wrote:
> I have tried this without success on the following configuration:
> Redhat 8.0
> Performer 3.0.2
> NVidia Driver 5336
> GeForce 5950
> Dual Processor Xeon 2.4Ghz
>
> I have tried both Perfly and my own app, and it never runs faster than 60Hz
> (video rate) In my app I have also put in a "getenv" of __GL_SYNC_TO_VBLANK
> and it is shown to be NULL i.e. not defined.
>
> As a side test I ran "glxgears" and it runs at some veryhigh frame rate
> until run with __GL_SYNC_TO_VBLANK set in the environment, at which point
> it runs at 60 Hz.
>
> --daniel
>
> >>> Paolo Farinelli <paolo++at++sgi.com> 08/13/04 06:55AM >>>
>
> Hi,
>
> On both win32 and linux,
>
> pfInit will look for the environment variable PF_SYNC_TO_VBLANK.
> If this is NOT set, or if it set to "1", then it will set the environment
> variable __GL_SYNC_TO_VBLANK to "1" (and print a debug message).
>
> So, you can unset __GL_SYNC_TO_VBLANK, and set
> PF_SYNC_TO_VBLANK to "0" before runnig your performer app.
>
> Regards,
> Paolo
>
> Alexander Lechner wrote:
> >Hi
> >
> >Can't speak for Windows, but on Linux:
> >When performer runs on NVIDIA hw pfInit sets the environment variable
> >__GL_SYNC_TO_VBLANK=1 . Calling "unsetenv ("__GL_SYNC_TO_VBLANK")
> >after pfInit does the trick.
> >
> >Regards,
> >
> >Alex
-- Alexander.Lechner ++at++ vertigo-systems.de Engelbertstraße 30 | phone: +49-221-2405472 D-50674 Köln | fax: +49-221-34892616
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