http://lists.freedesktop.org/archive...ly/008456.html

anche questo è interessante:

Wow... this thing is superfast for transparency.... even without
Composite acceleration. Good work, folks!

I have already ported the sis driver entirely to exa (including
adaptions for dga and xv), will commit as soon as I had the chance to
test it intensively on all my supported chipsets.
e i sis sicuramente non sono i chipset più veloci... chissà come funzionerà sulla mia radeon