Qt 4.8 also defaults to the raster graphicssystem for those using KDE.
Phoronix: The Light Begins To Shine On Qt 4.8
While many users and developers are already looking forward to Qt 5, which will be released in the next calendar year, as a stepping stone towards that milestone is Qt 4.8...
http://www.phoronix.com/vr.php?view=OTQ4Mw
Qt 4.8 also defaults to the raster graphicssystem for those using KDE.
How can I know which graphics system I am currently using?