[Paraview] Paraview 5.0.1 (OpenGL2) selection by picking not working with Ubuntu 14.04 and latest Ubuntu Software Center nvidia drivers

[stefano perticoni]

Hello,

I found that picking is not working with OpenGL2 VTK_RENDERING_BACKEND when
using most recent nvidia drivers from Ubuntu 14.04 software center ie
nvidia-current 304.131-0ubuntu0.14.04.1:

-> NVidia binary X.Org driver ('current' driver)
-> Optimized hardware acceleration of OpenGL with nvidia graphic cards
-> 190,9 MB when installed
-> Canonical provides critical updates supplied by the developers of NVidia
binary X.Org driver ('current' driver) until maggio 2019.

I'm using a GeforceGTX 560M

This was replicated with both paraview 5.0.1 OpenGL2 binary downloaded from
paraview site and local debug build.

There seems to be some issues with:
int vtkOpenGLRenderWindow::GetColorBufferSizes(int *rgba) and
ParaViewCore/ServerManager/Rendering/vtkSMRenderViewProxy.cxx since line
179 will return:

"Selection not supported due to insufficient color depth."


Selection is OK with latest nvidia drivers from nvidia.com: version 361.42


Regards,

Stefano
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