[Nouveau] [Bug 92271] Unusably slow OpenGL performance on nouveau (GeForce 9600 GT) with X server 1.18 with rotated output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92271

--- Comment #16 from Ilia Mirkin <imirkin at alum.mit.edu> ---
You can force DRI (in a sufficiently new nouveau snapshot) by doing

Option "DRI" "2"

No idea what causes the slowdown tbh. All this DRI stuff is a little beyond me.

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