From: Angus Dorbie (dorbie++at++sgi.com)
Date: 02/07/2001 21:30:43
Do you set the DVR scale yourself or rely entirely on the Performer load
management?
In which process do you adjust DVR?
What is your pfMultiprocess model?
Cheers,ANgus.
> "Juan R. Sáenz-Diez (Yuri)" wrote:
>
> pfHi,
>
> I am trying to dynamically set DVR channel scale in order to do some
> predictive stress management. I have an iR2, 2 RM, 1x1280x1024++at++60 so
> things should be simple (I think). It works, but with a lot of garbage
> and problems:
>
> - I see garbage coming from the bottom of the screen, specially when
> scales change rapidly from frame to frame (looks like)
> - I miss frames randomly at any time, even in areas where I would not
> do so without DVR'ing down the screen because I might be flying high
> or somehow with low DRAW load
>
> Maybe I'm scaling too hard or too often, but I have seen no
> improvements by limiting this to a minimum scale, a maximum change in
> scale, or even a maximum frequency of scale updates. Doing such things
> end up spoiling the usefulness of DVR. In demo mode, the application
> is flown with the mouse -- anything to do with it?
>
> Any ideas? TIA for your kind help.
>
> Regards,
> Yuri.
-- For Performer+OpenGL tutorials http://www.dorbie.com/"In the middle of difficulty lies opportunity." --Albert Einstein
This archive was generated by hypermail 2b29 : Wed Feb 07 2001 - 21:31:16 PST