[vtkusers] VTK 8.1.0 opengl 2 init.... how do I do this now?

[Brian Davis]

Part of solution may be to change:

VTK_MODULE_INIT(vtkRenderingOpenGL);

to

VTK_MODULE_INIT(vtkRenderingOpenGL2);



On Thu, Apr 5, 2018 at 6:30 PM, Brian Davis <bitminer at gmail.com> wrote:

> I use to:
>
> #include <vtkAutoInit.h>
> VTK_MODULE_INIT(vtkRenderingOpenGL);
> VTK_MODULE_INIT(vtkInteractionStyle);
> VTK_MODULE_INIT(vtkRenderingVolumeOpenGL);
> //VTK_MODULE_INIT(vtkGPUVolumeRayCastMapper);
> //VTK_MODULE_INIT(vtkFixedPointVolumeRayCastMapper);
>
>
> and at times define
>
> vtkRenderingCore_AUTOINIT="1(vtkRenderingOpenGL)"
> vtkRenderingVolume_AUTOINIT=1(vtkRenderingVolumeOpenGL)
> vtkRenderingCore=vtkRenderingOpenGL
>
> However in 8.1.0 build I get
>
> (void)" (?vtkRenderingOpenGL_AutoInit_Construct@@YAXXZ) referenced in
> function "public: __cdecl vtkRenderingOpenGL_ModuleInit:
> :vtkRenderingOpenGL_ModuleInit(void)" (??0vtkRenderingOpenGL_ModuleInit@
> @QEAA at XZ)
>
> which reminds me of every other time I try and build it when the version
> changes.  What is special sauce recipe for 8.1.0 and building with post
> opengl 2 (GLSL shader enabled version)
>
>
> Anyone count the number of threads over the years that discuss the opengl
> init in VTK... there is such a sea of posts I am not even going to bother
> to fish out what may be the solution somewhere buried in the ether else I
> have to get out my heavy duty digital backhoe and realy dig for it.  Sure
> I'll find it in some blog post somewhere.
>
> Any one at Kitware want to rethink the opengl design (Build and init
> process)?
>
>
> my superbuild of vtk defines:
>
>         VTK_BUILD_DEFINITIONS
>             -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX}
>                -DINSTALL_PREFIX=${INSTALL_PREFIX}
> #            -DModule_vtkRenderingVolumeOpenGL=ON
> #            -DModule_vtkRenderingVolumeOpenGLNew=ON
>             -DModule_vtkTestingCore:BOOL=ON
>             -DModule_vtkTestingRendering=ON
>             -DModule_vtkRenderingVolumeOpenGL2=ON
>
>             -DVTK_RENDERING_BACKEND=OpenGL2
>             -DBUILD_EXAMPLES=${VTK_BUILD_EXAMPLES}
>             -DBUILD_TESTING=${VTK_BUILD_TESTING}
>
>
>
> ExternalProject_Add(
>  ${VTK_VERSION_NAME}
> ...
> CMAKE_ARGS ${VTK_BUILD_DEFINITIONS}
> ...
> )
>
>
>
>


-- 
Brian J. Davis
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