[osg-users] performance mystery with an osg::TerrainTile on nVidia. Intel wins.

2015-09-17 Thread Christian Buchner
Hi all, I am loading a single osg::TerrainTile into my scenegraph, as a child of an osg::Terrain. Into this tile goes a height field and one image layer. I have got around 80k vertices and 157k triangles in a single drawable that is marked as a "fast" drawable in the OSG stats handler (shown by

Re: [osg-users] performance mystery with an osg::TerrainTile on nVidia. Intel wins.

2015-09-17 Thread Christian Buchner
Found the culprit for my performance woes. The nvidia driver's GLX module for Xorg was likely overwritten by an update to xorg. This caused the GLX module initialisation to fail and the following lines to appear in the log file. [ 873.392] (EE) NVIDIA(0): Failed to initialize the GLX module;

Re: [osg-users] performance mystery with an osg::TerrainTile on nVidia. Intel wins.

2015-09-17 Thread Jan Ciger
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 17/09/15 17:03, Christian Buchner wrote: > What I do not understand is why the command "glxinfo" kept showing > NVIDIA Corporation as vendor for OpenGL in this case. Don't look only at the vendor string - that is the OpenGL library shared