[X2Go-Dev] [X2go-Dev] Fwd: Performance with KDE 4.8 + Qt 4.8

[Mike Gabriel]

Committed!
http://code.x2go.org/gitweb?p=x2goserver.git;a=commitdiff;h=a591dd31b532c0fdc98cd051931ac4132ad7b40c

Mike

On Fr 27 Jan 2012 13:18:42 CET Mike Gabriel wrote:

> Hi Alex,
>
> I guess, we have to take care of this in X2Go, too. What do you think?
>
> Mike
>
> ----- Weitergeleitete Nachricht von fcoiffie at gmail.com -----
>      Datum: Mon, 16 Jan 2012 15:41:05 +0100
>        Von: Frédéric COIFFIER <fcoiffie at gmail.com>
> Antwort an: User Support for FreeNX Server and kNX Client  
> <freenx-knx at kde.org>
>    Betreff: [FreeNX-kNX] Performance with KDE 4.8 + Qt 4.8
>         An: freenx-knx at kde.org
>
> Since first versions of Qt 4, the performance of this toolkit through
> NX/FreeNX has decreased (compared to Qt3) : it slows to refresh and there are
> many glitches.
> Moreover, Qt 4 can supports different graphic backend :
>  - native which uses X11
>  - raster which makes many operations on an internal graphic buffer without
> using X11.
>
> On a local machine, raster performs well but it is really slow with a remote
> X11 or NX/FreeNX.
>
> It seems that the next version of KDE 4.8 (associated with Qt 4.8)  
> will select
> raster by default.
> I have found a workaround to keep raster on a local connection and to select
> native with FreeNX (ugly hack) :
>
> /usr/bin/nxnode :
>           sess_id="$SERVER_NAME-$display-$uniqueid"
>           [ "$EXPORT_SESSIONID" = "1" ] && export NXSESSIONID="$sess_id"
>
> +         export QT_GRAPHICSSYSTEM=native
>
>           OLD_UMASK=$(umask)
>
> Regards,
> Frederic
> ________________________________________________________________
>      Were you helped on this list with your FreeNX problem?
>     Then please write up the solution in the FreeNX Wiki/FAQ:
>
> http://openfacts2.berlios.de/wikien/index.php/BerliosProject:FreeNX_-_FAQ
>
>          Don't forget to check the NX Knowledge Base:
>                  http://www.nomachine.com/kb/
>
> ________________________________________________________________
>        FreeNX-kNX mailing list --- FreeNX-kNX at kde.org
>       https://mail.kde.org/mailman/listinfo/freenx-knx
> ________________________________________________________________
>
>
> ----- Ende der weitergeleiteten Nachricht -----
>
>
> -- 
>
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-- 

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