Compiz missing composite extension

[kineticbeing]

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 $ compiz --replace
compiz (core) - Fatal: No composite extension

That's what I get when I try "compiz --replace" (and the command with extra options outlined in the Compiz Gentoo Guide, so that's not the problem).

I'm using the ati-driver's newest version (in ~x86) (fglrx), the newest version of xorg (1.5.3 I think, whatever is newest in ~x86)...I have opengl enabled, and the dri is working...

I'm stumpted on what I need to do to get Compiz working...

(I emerged compiz-fusion, compiz, and compiz-fusion-plugins-main, if that makes a difference)

Thanks in advance,

KB

[widremann]

Do you have the Composite extension enabled in your xorg.conf? AIGLX? Check your /var/log/Xorg.0.log to see what it says about composite and AIGLX.

[halzen]

check that:

/etc/X11/xorg.conf

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...
Section "Extensions"
        Option "Composite" "Enable"
EndSection
...

This is compositing, compiz needs it in order to run.

Also, if you had this problem you may have another that i had, that is GLX did not load. When logged into a window manager, open a terminal and type:

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glxinfo | grep direct

You should see "direct rendering: yes"

If you dont have glxinfo command, "emerge mesa-progs".

If this does not work, check that the glx module is loading in xorg.conf (and that "dri" is not). If it is loading, and your using nvidia, type:

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eselect set opengl nvidia

That should fix everything nicely

Also, if your using compiz-fusion, dont type "compiz --replace", try "compiz-manager". Make sure you have a decorater emerged, i use "emerald" for that. Compiz-manager sholud start emerald and replace the existing WM.

Enjoy!