Hi there,

does osg work with any linux or there are specific versions where it will
work. I want to install the one that will work 4 me.

Thanx,
Felix


On 8/28/07, Robert Osfield <[EMAIL PROTECTED]> wrote:
>
> Hi René,
>
> One would expect performance to drop when you enable stereo.  The
> performance drop for QUAD_BUFFER I would normally expect to be similar
> to ANAGLYPHIC or the other stereo modes - a factor of two would
> normally be what you'd expect.
>
> A drop of 6 times is exceptional, alas I don't have a quad buffer
> capable system here so can't test personally.  There have been no
> changes to the OSG that I would expect would cause problems like this.
> A 6 times drop rather a 2 times drop suggest it isn't just the fact
> the the scene is being culled and drawn twice, but rather memory issue
> on the card with the bigger frame buffer, and issue with the pixel
> format support on the driver/hardware.
>
> One cannot rule out a problem at the OSG end, but there haven't been
> any changes I can think of that might have introduced such an issue.
> If you do think older versions of the OSG were OK then I'd suggest
> reverting back to an older version and seeing if things suddenly
> performance as expected - if this happens then walking forward in time
> in versions till the problem appears will give us a point in time that
> things broke, and a much better ideal of what it might be.
>
> Robert.
>
> On 8/28/07, megamiller zoid <[EMAIL PROTECTED]> wrote:
> >
> > Hello,
> >
> > I noticed that when I turn on quad_buffer stereo, applications become 6
> > times slower.
> > For example when I run "osgviewer cow.osg --stereo OFF" the framerate is
> > 283. But
> > with "osgviewer cow.osg --stereo QUAD_BUFFER" it drops to 42.
> > (while ANAGLYPHIC stereo runs with 175.)
> >
> > I think this has happened recently, currently I'am running the svn
> checkout
> > of 2.1.8.
> > Since I could not find any recent post about this, I thought I would
> post.
> > Has anyone
> > else experienced this performance hit?
> >
> > Have a nice day!
> >
> > René Molenaar,
> > Delft, The Netherlands
> >
> > ________________________________
> > Jouw nieuws: wereldnieuws! Beleef 't op MSN.nl
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> >
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> >
> >
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