[Bug 30329] [r600c/evergreen] KWin Present Windows effect extremely slow and has graphical glitches

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30329

--- Comment #7 from Michele Corazza <ashmikuz at gmail.com> 2010-10-12 05:47:26 PDT ---
I can confirm general slowness with ati mobility 4570 and open driver (using
xorg-edgers ubuntu ppa and latest 2.6.36 kernel from mainline). I read about
problems using blur and lanczos effects on kde 4.5 and disabled blur, as
lanczos cannot be disabled (afaik). I also turned off vsync for kwin as i
noticed this has increased performance. Present windows effects is at 6fps also
for me.

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