True Transparency

[thomas larrieu]

Hi everybody,
I've just installed Xfce 4.4.0
. I'd like to know how to get the true transparency feature working on
my desktop.
I've tried many different ways but none of those methods did make an
effect...
Among those methods :
Adding

   - Section "Extensions"
   - option "Composite" "Enable"
   - Option "RENDER" "Enable"
   - EndSection

and

   - Option "RenderAccel" "1"
   - Option "AllowGLXWithComposite" "on"


(into the "Device" Section)

to my /etc/X11/xorg.conf

I've the following video card : Hercule 3d Prophet 4500 TV OUT 64MB. (i
wonder wether this card is or not two old to handle "composite" feature)
I'm now sure that my failure to set true transparency is due to a problem of
configuration but i do not know what to set up.
If anyone have any idea of how to make transparency working...
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