<div dir="ltr">For the new OpenGL2 backend setting ImmediateModeRendering or UseDisplayLists or something similar has no impact. Those concepts are part of the legacy OpenGL API. So you should see no difference in timings with them turned on or off with the new OpenGL backend.</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jan 3, 2017 at 9:42 AM, Utkarsh Ayachit <span dir="ltr"><<a href="mailto:utkarsh.ayachit@kitware.com" target="_blank">utkarsh.ayachit@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Tue, Jan 3, 2017 at 9:10 AM, David E DeMarle<br>
<<a href="mailto:dave.demarle@kitware.com">dave.demarle@kitware.com</a>> wrote:<br>
> Is this with OpenGL1 or 2 back end? If you are using Kitware's binaries 4.4<br>
> will be OpenGL1 and 5.2 will be OpenGL2. If you built from source or got it<br>
> from a distro then it might be otherwise.<br>
<br>
A way to tell which type of build you're using is to loo at the title<br>
bar. For OpenGL1, the title bar says "Legacy Rendering Backend". Such<br>
a suffix is missing for OpenGL2 build.<br>
<br>
Utkarsh<br>
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