<div dir="ltr">Bishwajit,<div><br><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 1, 2017 at 1:26 PM, Bishwajit Dutta <span dir="ltr"><<a href="mailto:bdutta@vt.edu" target="_blank">bdutta@vt.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div style="font-size:large">Hi All,</div><div style="font-size:large"><br></div><div style="font-size:large">I am setting up paraview in different modes in my university for research and had the below queries on paraview wrt ubuntu. Thanks if anyone can answer them.</div><div style="font-size:large"><br></div><div style="font-size:large">a) Is it possible to dynamically switch between CPU (mesa software rendering) and GPU rendering (openGL). If so, which Paraview version supports this and the steps. </div></div></blockquote><div><div>Not as far as I know. The OpenGL libraries are resolved at configuration and compilation time.</div></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div style="font-size:large">Is not then can paraview binaries be used with some commandline option for the same.</div></div></blockquote><div><br></div><div>On the same machine, you could run two servers one that renders in software and one that renders on the GPU. You could save the state, disconnect from one, connect to the other and load the saved state. But this is not really dynamic switching.</div><div><br></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div style="font-size:large">b) In ubuntu server version (which has no GUI), can paraview use GPU for graphics acceleration as there is no GUI.</div><div style="font-size:large">I don't get this properly if desktop GUI is must for GPU usage.</div></div></blockquote><div><br></div><div>Yes, if the server has an NVidia card and a recent driver it should be possible to use EGL.</div><div><br></div><div><a href="https://blog.kitware.com/off-screen-rendering-through-the-native-platform-interface-egl/">https://blog.kitware.com/off-screen-rendering-through-the-native-platform-interface-egl/</a> </div><div><br></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div style="font-size:large"></div><div style="font-size:large"><br></div><div style="font-size:large">BR,</div><div style="font-size:large">Bishwajit</div></div>
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