Installing and configure Compiz Fusion

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Setting up GDM

What we are going to do first is sync portage and the overlays to make sure that we have the latest GDM available to us.

emerge --sync && layman -s sabayon

Then emerge gdm by doing

emerge -va gdm

Then backup your gdm.conf and your custom.conf by doing this:

cp /usr/share/gdm/defaults.conf /usr/share/gdm/defaults.conf.bak
cp /etc/X11/gdm/custom.conf /etc/X11/gdm/custom.conf.bak

Then browse to /etc/conf.d/xdm and change:

File: /etc/conf.d/xdm

DISPLAYMANAGER="kdm"

to

File: /etc/conf.d/xdm

DISPLAYMANAGER="gdm"

Also as a precaution check /etc/rc.conf and make sure that it says something like this:

File: /etc/rc.conf

DISPLAYMANAGER has moved to /etc/conf.d/xdm

Configuring GDM

Now we move into the actual phase of configuring it to use XGL.

• Run gdmsetup
• Select the Security tab
• Click the Configure X Server button found at the bottom right of the tab

We will first delete all available entry's for the X server. Don't call me crazy. They'll be replaced.

• Click on the Standard Server that appears in the "Servers to Start" list.
• Click on the remove button. Goodbye X.

Now we replace that with a new X server.

• Click the Add/Modify button.
• Set the new server to use VT:1 for nVidia users or VT:0 for ATI users.
• Do not add any thing else. Click ok when done.
• Name the server Xgl.
• In the command line add this:

  /usr/bin/Xgl -br -ac -accel glx:pbuffer -accel xv

  for nVidia users or

  /usr/bin/Xgl :0 -ac -accel glx:pbuffer -accel xv:pbuffer

  for ATI users.

Compiz Fusion

Follow said wiki: HOWTO:_Latest_Compiz-Fusion

Resources

• The one and only resource: http://gentoo-wiki.com/HOWTO_XGL#Configuring_GDM_to_Use_the_Xgl_Server

--Element 11:21, 29 July 2007 (PDT)