https://bugs.freedesktop.org/show_bug.cgi?id=85580
--- Comment #1 from Michel Dänzer michel@daenzer.net --- (In reply to Aaron B from comment #0)
Polygon count just makes it too heavy to what it used to be, dipping down to 20FPS or so when moving objects and such.
Have you double-checked that direct rendering and hardware acceleration are working for 32-bit processes? Did you build 32-bit Mesa as well?
I don't have time to bisect, [...]
So it's a regression? In what kind of time-frame?