Comment # 22
on bug 99418
from lei.pero@gmail.com
(In reply to Michel Dänzer from comment #21) > (In reply to lei.pero from comment #18) > > I didn't know that about modesetting driver, anyway, even with > > LIBGL_DRI3_DISABLE=1 same thing happens. > > Maybe chromium doesn't pass on the environment variable to its GPU helper > process, or maybe there was still a chromium process around. > > > > I don't how to disable tripple buffering to test it and if it's possible, > > Only by changing the code, > mesa/src/loader/loader_dri3_helper.c:dri3_update_num_back(). E.g. set > num_back = 1 in the else case. Ok, I've built mesa with that parameter changed and installed, same behavior. I've cloned just "git://anongit.freedesktop.org/git/mesa/mesa" , it should be enough. On the side note, if default is glamor, EXA definitively works better on my config (not huge difference, but there is difference). I will try to investiate more, but I'm really not sure where to look.
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