search for: enabledesktopeffects

...friend/foe rings still don't show up, but that's a minor issue). What I found is that if compositing "screen effects" are turned on in kde-4.2 or higher, there are major video problems with the game. Those problems go away if the "effects" in SystemSettings>Desktop>EnableDesktopEffects are turned off. This is a little surprising, because gnome also uses compositing effects, but I believe that gnome uses compiz, while kde has its own internal effects drivers. It's also odd that other games seem to work fine in kde with effects turned on; not at all sure why Witcher is differen...