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List:       kwin
Subject:    Re: performance with animations
From:       "Jos Poortvliet" <jospoortvliet () gmail ! com>
Date:       2007-10-12 18:24:19
Message-ID: 5c77e14b0710121124v53a2d2c2m2a9937a36e3c13e () mail ! gmail ! com
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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?

> --
> Lubos Lunak
> KDE developer
> --------------------------------------------------------------
> SUSE LINUX, s.r.o.   e-mail: l.lunak@suse.cz , l.lunak@kde.org
> Lihovarska 1060/12   tel: +420 284 028 972
> 190 00 Prague 9      fax: +420 284 028 951
> Czech Republic       http//www.suse.cz
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