[PATCH] logout fadeeffect

Lubos Lunak l.lunak at suse.cz
Thu Jul 24 16:27:03 BST 2008

On Thursday 24 of July 2008, Tobias Koenig wrote:
> Hej,
> in current trunk I can reproduce the strange behaviour, that the logout
> fade effect is totally broken when you have disabled composite extension
> (yeah, there are still people without 3D cards around ;)).
> After some debugging it seems that the usage of timer is the culprit, as
> removing the incremental fetching of the screen by a 'fetch it in one go'
> fixes the bug for me. Could somebody else who encounters the bug test
> the attached patch, please?
> If there are no objections I'd really like to commit it for KDE 4.1.

 There are. Fetching data from video memory can be quite slow, and that is why 
it is done incrementally instead of blocking everything (and that is also the 
reason why the current effect looks so bad compared to the one from KDE3, 
regardless of "officially" being better because of the thread and MMX and 

Lubos Lunak
KDE developer
SUSE LINUX, s.r.o.   e-mail: l.lunak at suse.cz , l.lunak at 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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