[kde-freebsd] No opengl desktop effects after xorg-server update

[Bengt Ahlgren]

Bengt Ahlgren <bengta at sics.se> writes:

> After the xorg-server update to 1.17, KDE is not able to make use of
> opengl for desktop effects.  Only xrender works.
>
> The system is running 9.3-RELEASE-pX, using the nvidia proprietary
> driver, with my own poudriere-compiled packages.
>
> Any ideas?  KDE issue or xorg issue?

This turned out to be due to that Xorg 1.17 per default disables
indirect glx, while earlier versions didn't.  Kwin apparently didn't
properly detect direct opengl with the nvidia driver, and silently fell
back to indirect glx.  Setting KWIN_DIRECT_GL=1 in the environment fixed
the issue!

Bengt