Created attachment 52128 [details] gl output without yv12 I can confirm this on both Sandy Bridge and Nouveau nvc3. Kernel is 3.1-rc9, X stack is xorg-edgers.
Ahh, another anime fan :) I already posted this problem here: https://bugs.freedesktop.org/show_bug.cgi?id=41461
*** This bug has been marked as a duplicate of bug 41461 ***
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