On Sat, 2006-10-14 at 19:55 +0200, Thierry Reding wrote:
> 
> I have set compiz to startup when the GNOME session is loaded, and when
> compiz replaces metacity, there's a short period where the windows (there's
> an annoying error message that keeps popping up, but unreleted to compiz or
> AIGLX) and the desktop are different shades of gray 

That's how compiz marks 'inactive' windows (that haven't reacted to
expose events in a while or something along those lines) I think.

> and the window with the error message is first positioned in the 
> top-left corner, then suddenly moves up and to the left. But then, 
> after compiz has loaded and starts updating the
> window decorations and contents all is back to normal.
> 
> That is if I comment out the XAANoOffscreenPixmaps option. If it is
> uncommented, the above "transition" doesn't happen.

Could indicate it actually makes a difference in performance for you.

> I'm not sure how helpful this is. After compiz is loaded I don't see any
> strange behaviour or bad performance with or without XAANoOffscreenPixmaps.

Again, I do see incorrect rendering without it.


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer

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