Comment # 19 on bug 71239 from Tapani Pälli

(In reply to comment #18)
> Could be connected with https://bugs.freedesktop.org/show_bug.cgi?id=74717 ?
> Both uses GL3.2 features.

Nope, at least when running on Intel Metro does not use geometry shaders at
all. Not sure though if it does some selection on this based on platform or
drivers.