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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">I have been doing something like the following in my CMakeLists files</span></a></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">if(VTK_RENDERING_BACKEND STREQUAL "OpenGL2")</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> set_source_files_properties(</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> vtkPSurfaceLICComposite.cxx</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> PROPERTIES COMPILE_FLAGS -DVTK_OPENGL2)</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">endif()</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Ken Martin PhD</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Chairman & CFO</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Kitware Inc.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">28 Corporate Drive</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Clifton Park NY 12065</span></p><p class="MsoNormal"><a href="mailto:ken.martin@kitware.com"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">ken.martin@kitware.com</span></a><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">518 881-4901 (w)</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">518 371-4573 (f)</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">This communication, including all attachments, contains confidential and legally privileged information, and it is intended only for the use of the addressee. Access to this email by anyone else is unauthorized. If you are not the intended recipient, any disclosure, copying, distribution or any action taken in reliance on it is prohibited and may be unlawful. If you received this communication in error please notify us immediately and destroy the original message. Thank you.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> vtk-developers [mailto:<a href="mailto:vtk-developers-bounces@vtk.org">vtk-developers-bounces@vtk.org</a>] <b>On Behalf Of </b>Andrew Maclean<br><b>Sent:</b> Thursday, July 9, 2015 7:39 AM<br><b>To:</b> VTK Developers; Sean McBride<br><b>Subject:</b> Re: [vtk-developers] Detecting OpenGL2 mode at compile time?</span></p><p class="MsoNormal"> </p><p>Hi Sean,<br> Off the top of my head, I think VTK_RENDERING_BACKEND is visible and this has the values OpenGL or OpenGL2.</p><p>Regards<br> Andrew</p><p>><br>> ---------- Forwarded message ----------<br>> From: Sean McBride <<a href="mailto:sean@rogue-research.com">sean@rogue-research.com</a>><br>> To: <<a href="mailto:vtk-developers@vtk.org">vtk-developers@vtk.org</a>><br>> Cc: <br>> Date: Wed, 8 Jul 2015 18:46:33 -0400<br>> Subject: [vtk-developers] Detecting OpenGL2 mode at compile time?<br>> Hi all,<br>><br>> Is there a way to detect at compile-time OpenGL vs OpenGL2 mode?<br>><br>> Since my app uses Xcode, I have to do the factory initialization thing, and I'd like to be able to handle both cases as I test between both OpenGLs, ie:<br>><br>> #if ???<br>> #define vtkRenderingCore_AUTOINIT 3(vtkInteractionStyle,vtkRenderingFreeType,vtkRenderingOpenGL)<br>> #elif ???<br>> #define vtkRenderingCore_AUTOINIT 3(vtkInteractionStyle,vtkRenderingFreeType,vtkRenderingOpenGL2)<br>> #endif<br>><br>> I don't see anything in vtkConfigure.h.<br>><br>> Thanks,<br>><br>> --<br>> ____________________________________________________________<br>> Sean McBride, B. Eng <a href="mailto:sean@rogue-research.com">sean@rogue-research.com</a><br>> Rogue Research <a href="http://www.rogue-research.com">www.rogue-research.com</a><br>> Mac Software Developer Montréal, Québec, Canada<br>></p></div></body></html>