Hi Alex,
I guess, we have to take care of this in X2Go, too. What do you think?
Mike
----- Weitergeleitete Nachricht von fcoiffie@gmail.com ----- Datum: Mon, 16 Jan 2012 15:41:05 +0100 Von: Frédéric COIFFIER <fcoiffie@gmail.com> Antwort an: User Support for FreeNX Server and kNX Client <freenx-knx@kde.org> Betreff: [FreeNX-kNX] Performance with KDE 4.8 + Qt 4.8 An: freenx-knx@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@kde.org
https://mail.kde.org/mailman/listinfo/freenx-knx----- Ende der weitergeleiteten Nachricht -----
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