Comment # 24
on bug 99418
from lei.pero@gmail.com
(In reply to Michel Dänzer from comment #23) > (In reply to lei.pero from comment #22) > > 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. > > Did you verify that it's hitting the path you modified? E.g. if chromium is > fullscreen and there's no compositor, it may hit the if case instead of the > else case. Maybe try changing the if case to 2 buffers as well. Yeah, it is the same, but, it might be that it is not a bug with mesa at all(?). Long story short, after investigating further, it turns out that DRI3 works quite well with compiz, marco and in lxde, lxqt. The actual problem happens only when mutter is window manager (still, it doesn't explain why it works well with DRI2), I've tried MATE DE with different WM and as expected, all others work well except mutter. Hope this new info helps, and if it turns out it is mutter bug and not DRI3 (doesn't make sense), I apologize for wasting your time (should have done this earlier...), and we can close/delete this bug report. It still doesn't make any sense why it would work well with DRI2 but not DRI3 on mutter.
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