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List:       kwin
Subject:    Re: performance with animations
From:       Lubos Lunak <l.lunak () suse ! cz>
Date:       2007-10-15 11:23:50
Message-ID: 200710151323.50701.l.lunak () suse ! cz
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On Friday 12 of October 2007, Jos Poortvliet wrote:
> On 10/12/07, Lubos Lunak <l.lunak@suse.cz> wrote:
> > On Wednesday 10 of October 2007, Jos Poortvliet wrote:
> > > On 10/10/07, Lubos Lunak <l.lunak@suse.cz> wrote:
> > > > On Monday 08 of October 2007, Jos Poortvliet wrote:
> > > > > Hi guys,
> > > > >
> > > > > I've been using Kwin with compositing for some time under 3.5, and
> > > > > it performs great on my Geforce 6600. Today, I was working on
> > > > > screenshots for 4.0 beta apps, and I tried the animations I blogged
> > > > > about previously ( http://www.youtube.com/watch?v=0FuB4YZfC4s ).
> > > > > They don't really go smooth at all with compositing on... Try
> > > > > moving one of the dockers from dolphin - the animation is smooth
> > > > > without compositing, but with, it's pretty bad.
> > > > >
> > > > > Is this due to a bug, or some fundamental limitation? I hope it can
> > > > > be fixed, of course, if not - all Qt4 apps have all kinds of
> > > > > animations (try removing toolbars, or when the buttons don't fit on
> > > > > it, click the 'more' button on the right and watch the remaining
> > > > > one appear - animated). This is gonna hurt...
> > > >
> > > >  I have no idea, I haven't yet got as far as finetuning performance.
> > > > Does it work reasonably with Compiz?
> > >
> > > Compiz doesn't run at all here, dunno, must be some bug somewhere and
> > > I don't really care... Sorry.
> >
> >  Well, then there's nothing to compare KWin to. But I've found one way to
> > make the Dolphin animations smooth:
> >   LD_PRELOAD=/usr/lib/libIndirect.so.1 kwin --replace
> >
> >  KWin using this library seems to be about as smooth as Compiz when using
> > it (which it does by default), the same way both are quite jumpy when
> > they don't use it (which means removing the file when trying with
> > Compiz).
> >
> >  This is with nvidia on openSUSE10.3 - can somebody try with some other
> > setup?
>
> Annoyingly, I can't find that library... where is it from?

 I suppose it's quite new, or maybe even SUSE-specific.

-- 
Lubos Lunak
KDE developer
--------------------------------------------------------------
SUSE LINUX, s.r.o.   e-mail: l.lunak@suse.cz , l.lunak@kde.org
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190 00 Prague 9      fax: +420 284 028 951
Czech Republic       http//www.suse.cz
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