Package: openscad Version: 2015.03-1+dfsg-3 Severity: important (forwarding info from tpaul into bts)
> Are the packages in testing built with CONFIG-=debug ? > > For some yet unknown reason it seems the Qt debug version forces OpenGL > to vsync buffer swaps which makes the display quite unusable even with > simple models (e.g. even the "CSG" example model with the 3 cubes). > > I can reproduce that it works ok with CONFIG-=debug, but rotating > is really dragging without that qmake option. > > I'm not 100% sure it's really vsync, as it did not even help when > manually forcing it to 0 using glXSwapIntervalMESA or glXSwapIntervalSGI, > but right now the packages in testing seem to be unusable for some > people > (http://forum.openscad.org/OpenScad-2014-03-Segmentation-Fault-td14800.html).
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