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List:       kwin
Subject:    Re: performance with animations
From:       "Jos Poortvliet" <jospoortvliet () gmail ! com>
Date:       2007-10-15 14:45:03
Message-ID: 5c77e14b0710150745o1ea7ce7bxd11335f2e1d47871 () mail ! gmail ! com
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On 10/15/07, Lubos Lunak <l.lunak@suse.cz> wrote:
> 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.

Hmmmm... Well, if you can make sure KWin uses this library if
possible, that would be cool, right? And I can hope the problem is
solved as soon as I can get my hands on it...

> --
> 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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