[Bug 13044] Corruption and slowness when screen rotated 90 degrees left or right

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13044





--- Comment #18 from Stephan Diestelhorst <dr.syon at freenet.de>  2008-05-14 09:15:02 PST ---
Seriously. Are there any ways to get this usable? I can _see_ the screen
getting updated. Even if there is no page-flipping, why does blitting the back
buffer to the screen take so long (It didn't in the old days when I used rep
movsd, but that was 320x200x8)? Or are all apps drawing directly to the visible
screen surface, rather than to a single back buffer in memory?

Could composition help here? Could compiz do the entire rotation magic in
software? Given that I can get 3D acceleration?

Thanks!


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