<div dir="ltr"><div dir="ltr">Hello,<div><br></div><div>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:</div><div><br></div><div><div>-> NVidia binary X.Org driver ('current' driver)<br></div><div>-> Optimized hardware acceleration of OpenGL with nvidia graphic cards</div><div>-> 190,9 MB when installed</div><div>-> Canonical provides critical updates supplied by the developers of NVidia binary X.Org driver ('current' driver) until maggio 2019.<br></div><div><br></div></div><div>I'm using a GeforceGTX 560M</div><div><br></div><div>This was replicated with both paraview 5.0.1 OpenGL2 binary downloaded from paraview site and local debug build.</div><div><br></div><div>There seems to be some issues with: </div><div><span style="color:rgb(128,128,0)">int</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">vtkOpenGLRenderWindow</span><span style="color:rgb(0,0,0)">::</span><span style="font-style:italic;color:rgb(0,0,0)">GetColorBufferSizes</span><span style="color:rgb(0,0,0)">(</span><span style="color:rgb(128,128,0)">int</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,0,0)">*</span><span style="color:rgb(0,0,0)">rgba</span><span style="color:rgb(0,0,0)">) and </span></div><div>ParaViewCore/ServerManager/Rendering/vtkSMRenderViewProxy.cxx since line 179 will return:</div><div>
<pre style="margin-top:0px;margin-bottom:0px">"Selection not supported due to insufficient color depth."</pre><pre style="margin-top:0px;margin-bottom:0px"><br></pre><pre style="margin-top:0px;margin-bottom:0px"><span style="font-family:arial,sans-serif;white-space:normal">Selection is OK with latest nvidia drivers from <a href="http://nvidia.com">nvidia.com</a>: version </span><font face="arial, sans-serif"><span style="white-space:normal">361.42</span></font><br></pre><pre style="margin-top:0px;margin-bottom:0px"><font face="arial, sans-serif"><span style="white-space:normal"><br></span></font></pre><pre style="margin-top:0px;margin-bottom:0px"><font face="arial, sans-serif"><span style="white-space:normal">Regards,</span></font></pre><pre style="margin-top:0px;margin-bottom:0px"><font face="arial, sans-serif"><span style="white-space:normal">Stefano</span></font></pre><pre style="margin-top:0px;margin-bottom:0px"><font face="arial, sans-serif"><span style="white-space:normal"><br></span></font></pre><pre style="margin-top:0px;margin-bottom:0px"><font face="arial, sans-serif"><span style="white-space:normal"><br></span></font></pre></div></div></div>