Okay, based on the feedback it sounds like really this is more of a
performance concern. In normal operations on a system with decent
performance, the tearing is present but hardly noticeable, however on
systems with worse performance (or under a large amount of load) the
tearing can certainly be seen. I suspect we're going to just have to
accept it as the way it works when in degraded circumstances, and focus
on addressing the underlying performance issue, rather than fiddle with
the drawing algorithm to hide the bad performance. As raof mentions,
changing that algorithm probably would cause worse behavior in some
other situation.
lcampagn, so I think you're right this can be closed, and instead focus
on the compiz performance problem. Have you opened a bug about the sync
problem against compiz? If not, please go ahead and do so.
In the mean time, if you do bring this issue up on the Xorg upstream
mailing list, and get any further info that we may want to look at for
ubuntu, please feel free to reopen this bug.
** Changed in: xorg (Ubuntu)
Importance: Undecided => Wishlist
Status: Incomplete => Invalid
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xorg does not synchronize to vertical refresh
https://bugs.launchpad.net/bugs/242990
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