From kwin  Wed Feb 27 17:00:47 2013
From: Stefano Avallone <stavallo () unina ! it>
Date: Wed, 27 Feb 2013 17:00:47 +0000
To: kwin
Subject: Re: Task switcher extremely slow after upgrading to mesa 9.1
Message-Id: <1402954.8NRimAvpdt () sausalito>
X-MARC-Message: https://marc.info/?l=kwin&m=136198442221220

On Wednesday 27 February 2013 17:29:58 Thomas L=FCbking wrote:
> On Mittwoch, 27. Februar 2013 16:51:55 CEST, Stefano Avallone wrote:
> > On Wednesday 27 February 2013 16:14:23 Thomas L=FCbking wrote:
> >> On Mittwoch, 27. Februar 2013 15:34:37 CEST, Stefano Avallone wrote:
> >>> Can I do something else to help you track down this issue?
> >> =

> >> Does the blur filter (enable OpenGL 2.0 shaders, disable
> >> caching in the blur
> >> effect) expose a similar regression?
> > =

> > I am not sure I got what you meant.
> =

> Whether blurring becomes (significantly) slower from mesa 9.0 to mesa 9.1=
 as
> well. Disabling the cache is mostly required to stress the impact.
> =

> This has no impact and is not much related to the task switcher (esp. not
> since apparently the lanczos filter has predominant impact here) but on
> translucent and blurring windows (some plasma dialogs and esp. the resp.
> features of the oxygen-translucent, bespin and QtCurve styles)

I didn't notice slowdowns in this regard (I do not use oxygen-transparent, =
but =

I have the Translucency effect enabled). Maybe I should try to disable cach=
ing =

in the blur effect. How can I do that?

Thanks,
Stefano


> Cheers,
> Thomas
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