[Nouveau] [Bug 33977] X core font rendering is "laggy"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33977

--- Comment #9 from Michel Dänzer <michel at daenzer.net> 2011-02-09 03:24:27 PST ---
(In reply to comment #8)
> I just don't know what will happen on high cpu loads (outside xorg). Will the
> BlockHandler still be called every 50ms?

The BlockHandler is only called before the X server blocks waiting for input or
client requests. This may never happen if clients send rendering requests more
quickly than the server can process them (e.g. x11perf), but in that case
you'll probably flush to the hardware regularly anyway due to running out of
command stream space. If that's not the case, the driver needs another
mechanism to ensure flushes occur at appropriate intervals.

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