Anti-aliasing via GPU

Thorsten Behrens thb at
Wed Dec 12 13:53:40 PST 2012

Kohei Yoshida wrote:
> Thanks for the info.  So, I'm guess this fallback happens inside
> cairo library?  IOW there isn't much we can do about it on the
> LibreOffice side?
The fallbacks happen in the xserver.

> My main concern was that, and the reason why I asked it was that
> when the anti-aliasing is enabled, the scrolling inside some quite
> complex Draw document becomes very very slow, and wondered if there
> was anything we could do about it.  When anti-alising is disabled,
> the scroll becomes smooth again.
Chances are, as Michael points out, that we spend a trillion cycles on
polygon subdivision or somesuch. Worth profiling indeed.


-- Thorsten
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