https://bugs.freedesktop.org/show_bug.cgi?id=32945
--- Comment #2 from Sven Arvidsson sa@whiz.se 2011-01-10 08:00:41 PST --- Doh! Yeah, I suppose that's a lot more plausible.(In reply to comment #1)
Doesn't the performance boost come from the fact that a large part of the screen is not rendered?
Doh! Yeah, I suppose that's a lot more plausible.