Marc Erich Latoschik (marcl++at++TechFak.Uni-Bielefeld.DE)
Thu, 15 Jul 1999 12:46:57 +0200
>
> Actually I've been using 1024x768_96s quadbuffer stereo happlily on an
> Octance MXE also.
Yes, on a MXE it will work, but quadbuffer needs at leas a high impact
(says the man page), we tried it on an SI with texture addon, that is
equal to a normal impact & texture. The minimum would be a SSI or SSE.
>
> To give you an idea what's possible we're successfully driving a
> Electrohome Marquee 7500 and monitor with a single 1280x1024_96s stereo
> ouput from one channel fed through a video splitter. For our application
> we just wanted the same output of both projector/monitor. Rendering 2
> channels in stereo would have been prohibitively slow. We have a iR2
> with 2 RM's. BTW, to do this I had to ditch the very nice 24" SGI
> monitor, which couldn't cope with this video format (I guess because of
> the fact that it's very wide), and use another monitor with higher max
> horizontal freq (a Philips Brilliance 201B).
We are using a Marquee 8000, i think you are only using channel0, am i
right?
Or are both channels using the same FB-area?
>
> >
> > fbAttrs[] = {
> > PFFB_RGBA,
> > PFFB_DOUBLEBUFFER,
> > PFFB_STEREO,
> > // PFFB_DEPTH_SIZE, 24,
>
> I use PFFB_DEPTH_SIZE, 23 because of the iR's rather strange looking
> 23bit Z-buffer. Works on other systems too because you ask for at least
> this amount.
You are using 23 even if it looks strange?
>
> > PFFB_RED_SIZE, 1,
> > PFFB_STENCIL_SIZE, 1,
> > PFFB_SAMPLES, 1,
>
> If I'm on a multisampling machine (iR, RE2) I request PFFB_SAMPLES, 4.
I tried that before, no difference.
>
> This works for me, although I have 2 RM's. You can also try the
> "findvis" program to see which X visual's you have available and then
> explicitly selecting one of those visuals like the perfly -t <visual_id>
> option.
>
good point, ;) i'll try that too.
thx
--bye Marc
************************************************************************** Marc Erich Latoschik, AG-WBS, Technische Fakultaet, Universitaet Bielefeld Universitaetsstrasse 25, PO 100 131, 33501 Bielefeld Room M4-122 Tel: (0521) 106 2919, Fax: (0521) 106 2962, marcl++at++techfak.uni-bielefeld.de http://www.TechFak.Uni-Bielefeld.DE/techfak/persons/marcl/
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