Hi Kohei,
On Wed, 2012-12-12 at 14:46 -0500, Kohei Yoshida wrote:
> 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.
I'd suggest profiling it ;-) Almost certainly something -very- dumb is
going on.
> When anti-alising is disabled, the scroll becomes smooth again.
Similar effects happen as soon as any form of transparency is in-use;
we still have amazing horrors all over the code in VCL eg. the
pattern-fill is still using XOR rendering ;->
> Anyway, thanks a lot. I'll sit on this.
If you can get libo started in callgrind - and then reset the counters:
callgrind_control -z - do a few of the slow operation, then
callgrind_control --dump and send me the log - I'd be interested :-)
after all - it looks like we just stopped fixed the horrendous knock-on
bugs from my/Thorsten's last speedup in draw ;-)
Thanks,
Michael.
--
michael.me...@suse.com <><, Pseudo Engineer, itinerant idiot
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