[SOLVED] kwin; oversaturated, sluggish graphics; Present Windows ugliness

[carsy]

Had some difficulties with kwin after upgrading to 4.5. Present Windows and the thumbnails in Smooth Tasks were oversaturated and some graphics were sluggish. Apparently, this affects intel (especially) and other drivers.

After much digging, problem resolved with the following:
https://bugs.kde.org/show_bug.cgi?id=243181. The comments describe what is necessary to resolve...after finding proper information for this system.

On this system,
grep KWin::CompositingPrefs::detectDriverAndVersion ~/.xsession-errors
shows the following information...
kwin(1354) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Intel(R) 965GM GEM 20091221 2009Q4 "
kwin(1354) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1 Mesa 7.7.1"

edited ~/.kde/share/config/kwinrc
adding a new section

[Blacklist][Lanczos]
Intel=Mesa DRI Intel(R) 965GM GEM 20091221 2009Q4:-:2.1 Mesa 7.7.1

based on the information from the kwin query.

It may also be necessary to check "Disable functionality checks" in System Settings/Desktop Effects/Advanced (tab)

Restarted the computer. Pretty graphics and snappy performance are back.

[Snowhog]

Re: [SOLVED] kwin; oversaturated, sluggish graphics; Present Windows ugliness

"What came first, the problem or the solution?"

We like this kind of 'problem' post.

[carsy]

Re: [SOLVED] kwin; oversaturated, sluggish graphics; Present Windows ugliness

Well, for me the problem came first.

I was pretty sure that others would have the problem, but found nothing here addressing it. After it was resolved, it made 4.5 much more enjoyable, doing away with this irritating issue especially with Smooth Tasks.

Sharing! I've been helped so much by Kubuntu Forums.

[GreyGeek]

Re: [SOLVED] kwin; oversaturated, sluggish graphics; Present Windows ugliness

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