Reindl Harald wrote:
frankly as i started with Fedora in 2006 all was perfect fine that
with my Nividia card, later then KDE4 came and my control bar started to
flicker all day long with the Nvidia driver and the free driver was even
too dumb to show correct colors auf the background image - over don#t
how how many months KDE developers pointed in all directions while other
desktops with the same hardware worked just fine
All those issues were driver bugs that were eventually fixed in the driver.
There's not much you can do as a desktop programmer when the drawing
primitives don't work as documented and as on all other graphics drivers.