Hi. Comments inline.
On Tue, 2009-09-29 at 00:13 -0400, Daniel wrote: > Hi, > > I'm hoping someone can help me... I have three monitors and Xinerama > enabled. From what I've read Xserver-XGL is the only way to get > compositing effects, i.e. compiz, going with Xinerama enabled. I like > Xinerama since it's one big desktop, and I also like compiz. :) > > My goal is to get my cake... and eat it too. > > I grabbed the xserver-xgl package out of the hardy repos... installed > it on my jaunty box. I can get it to launch as an overlay on > display :1, but am having a horrible time getting it to properly > launch with GDM. > > This is what I've done so far... if someone can point me in the right > direction that would be fantastic. I have a script > in /usr/bin/startxgl.sh, which contains > Xgl -fullscreen :0.0 -ac -accel glx:pbuffer -accel xv:fbo -br & > sleep 1 > export DISPLAY=:0.0 > exec dbus-launch --exit-with-session gnome-session > I then created /usr/share/xsessions/xgl.desktop which pointed towards > the above script, selected that from GDM when I logged in. That's unlikely to work; the existing X server will probably have already taken that DISPLAY. > > And... it's not working... I'll be honest I really have no idea what > I'm doing. :) Although when I launch the Xgl command above while > logged in, I launch it to display :1 of course - it works fine. Well, > it launches as root and it appears as an overlay... not ideal but > functional. > > If someone can point me in the proper direction, it would be much > appreciated. If I remember correctly, I did some work around Hardy to make installing the xserver-xgl package Just Work; you probably want to look at /etc/X11/Xsession.d/98xserver-xgl_start-server which did the heavy lifting I believe. > > Also, since I'm on the subject... Why was xserver-xgl dropped from > ubuntu after hardy? It seems to be the only method of getting one big > desktop (Xinerama) across multiple GPUs. Because it was unmaintained upstream, and didn't build on any Ubuntu release post-Hardy.
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