[SGVLUG] Xgl/3Ddesktop with dual monitors

[Michael Proctor-Smith]

On 10/12/06, Claude Felizardo <cafelizardo at gmail.com> wrote:
> On 10/12/06, Matthew Gallizzi <matthew.gallizzi at gmail.com> wrote:
> > For whatever it's worth, I've tried to get XGL working. I actually borked my
> > system and needed to reinstall. I've come to the conclusion that I don't
> > care for it because it does nothing for me. I believe in productivity. I use
> > fluxbox because it's quick, simple, and I've trained myself to learn all
> > shortcuts and create new shortcuts for xterm, firefox, vmware... etc. XGL is
> > (I think) eye candy and helps me little in terms of productivity. I'd prefer
> > quickness with fluxbox over XGL (my boxes aren't all that hardware wise).
> >
> > KISS.
> >
> > My two cents for XGL :)
> >
> > P.S. By KISS, I'm not calling you all stupid. *chuckle* - just my philosophy
> > :)
> >
> >
> > On 10/12/06, Michael Proctor-Smith <mproctor13 at gmail.com> wrote:
> > > On 10/12/06, Claude Felizardo < cafelizardo at gmail.com> wrote:
> > > > Has anyone gotten the Xgl/3D desktop to work with xinerama to support
> > > > dual monitors?  I've been having a blast playing with the eye-candy
> > > > that came with mandriva 2007.  The rotating cube for managing virtual
> > > > desktops instead of alt+tab'ing is pretty darn cool as are the other
> > > > effects but I can't get it to work when I enable xinerama and/or
> > > > multi-monitors.
> > > >
> > > As I can't remeber if Xgl/3D is the one that requires open drivers.
> > > But the answer is that as far as I know only the binary NVIDIA drivers
> > > provide 3d accelerated xinerama support. That is probably your problem
> > > if you don't that NVIDIA hardware, and drivers. The problem if you
> > > want to know is that xinerama works by rendering the entire display on
> > > every screen and then only showing the proper part on the proper
> > > screen.
> > >
> >
> >
> >
> > --
> > Matthew Gallizzi
>
>
> Sorry, I guess I wasn't clear.  If I comment out the following entries
> in my /etc/X11/xorg.conf files then I can get the 3d stuff working:

No you were clear and the answer is xinerama and hardware acceleration
3d do not mix without nvidia binary drivers.

> Section "ServerLayout"
> ...
> #   Screen "screen2" RightOf "screen1"
> #  Option "Xinerama"
>
> EndSection
>
> I have 3d working on my Toshiba laptop using the "Intel 85x" drivers,
> on the kids computer at home which I think is an ATI Radeon something
> and on my two headed desktop here at work which is also a Radeon using
> the fglrx drivers (contains both open and closed source parts).
>
> As soon as I uncomment any of the above two lines, then when I restart
> X, the 3d stuff is disabled.  When I try to run the drak3d tool that
> comes with mandriva, it says my system does not support 3d desktop
> effects and the option to run compiz is disabled.  If I comment out
> both lines and restart, then i can reconfig until i break something.
>
> As for how useful, i'd say on a laptop with limited screen space,
> being able to manage virtual desktops is much easier.  On a two headed
> desktop, it's strictly eye candy since there's usually enough room to
> have your editors, debugger, applications, web docs, etc. on the
> screen at once.  Just need to the learn the shortcuts...
>
> claude
>