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Debian compiz + AIGLX HOWTO

First, you should verify if your video card is supported. Check the list of supported cards below (on other cards, Compiz would need Xgl):

Intel i830 to i945 graphic cards

ATI Radeon cards up to X800 series

NVIDIA graphic cards are supported in the 9xxx-series proprietary driver

We will need to fetch some packages from testing or unstable, so point Debian official Unstable repository in your "/etc/apt/sources.list". (deb http://ftp.debian.org/debian unstable main) and "apt-get update".

Install the following packages:

xorg compiz

Add the following options to the corresponding sections in the file /etc/X11/xorg.conf:

# Dedicated "Extensions" section (may not be present already)

Section "Extensions"

Option "Composite" "enable"

EndSection


# Section "Device" of you graphic card

Section "Device"

# Already contains

# ...

# Identifier "..."

# Driver "..."

# ...

# Add this option :

Option "XAANoOffscreenPixmaps" "true"

EndSection

Nvidia user may also need:

Section "Device"

Option "AllowGLXWithComposite" "true"

EndSection


Section "Screen"

Option "AddARGBGLXVisuals" "True"

EndSection


Section "Module"

#Load "dri"

#Load "GLcore"

EndSection

Restart your X.org server and login into GNOME. Open a terminal and issue the following command:

compiz --replace

If everything is correct you will be able to use all compiz resources.
You may want to start your compiz automatically with GNOME:
Add "compiz --replace" to "Desktop -> Preferences -> Sessions -> Startup Programs".

Limitations

The water effect uses GL_ARB_fragment_program, which not currently work properly with the open source ATI drivers under AIGLX in X.org 7.1.

Troubleshooting

If something fail you could check /var/log/Xorg.0.log and search for possible problems with DRI and GLX. You also should verify if AIGLX was successfully loaded.

Default hot keys

Switch desktops on cube: Ctrl + Alt + Left/Right Arrow

Switch desktops on cube - with active window following: Ctrl + Shift + Alt + Left/Right Arrow

Rotate cube manually: Ctrl + Alt + left-click

Zoom-in once: Super-key + right-click

Zoom-in manually: Super-key + wheel mouse up

Zoom-out manually: Super-key + wheel mouse down

Move window: Alt + left-click

Slow-motion: Shift + F10

Transparency: Put mouse cursor over the window then press Alt + wheel mouse down

Expose effect: Ctrl + Alt + Up Arrow or Point the mouse in top right at screen

Take screenshot: Super-key + left-click drag

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