[vtk-developers] Detecting OpenGL2 mode at compile time?

[Ken Martin]

I have been doing something like the following in my CMakeLists files



if(VTK_RENDERING_BACKEND STREQUAL "OpenGL2")

  set_source_files_properties(

    vtkPSurfaceLICComposite.cxx

    PROPERTIES COMPILE_FLAGS -DVTK_OPENGL2)

endif()



Ken Martin PhD

Chairman & CFO

Kitware Inc.

28 Corporate Drive

Clifton Park NY 12065

ken.martin at kitware.com

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518 371-4573 (f)



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*From:* vtk-developers [mailto:vtk-developers-bounces at vtk.org] *On Behalf
Of *Andrew Maclean
*Sent:* Thursday, July 9, 2015 7:39 AM
*To:* VTK Developers; Sean McBride
*Subject:* Re: [vtk-developers] Detecting OpenGL2 mode at compile time?



Hi Sean,
   Off the top of my head, I think VTK_RENDERING_BACKEND is visible and
this has the values OpenGL or OpenGL2.

Regards
   Andrew

>
> ---------- Forwarded message ----------
> From: Sean McBride <sean at rogue-research.com>
> To: <vtk-developers at vtk.org>
> Cc:
> Date: Wed, 8 Jul 2015 18:46:33 -0400
> Subject: [vtk-developers] Detecting OpenGL2 mode at compile time?
> Hi all,
>
> Is there a way to detect at compile-time OpenGL vs OpenGL2 mode?
>
> 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:
>
> #if ???
>  #define vtkRenderingCore_AUTOINIT
3(vtkInteractionStyle,vtkRenderingFreeType,vtkRenderingOpenGL)
> #elif ???
>  #define vtkRenderingCore_AUTOINIT
3(vtkInteractionStyle,vtkRenderingFreeType,vtkRenderingOpenGL2)
> #endif
>
> I don't see anything in vtkConfigure.h.
>
> Thanks,
>
> --
> ____________________________________________________________
> Sean McBride, B. Eng                 sean at rogue-research.com
> Rogue Research                        www.rogue-research.com
> Mac Software Developer              Montréal, Québec, Canada
>
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