[vtkusers] OT: Linux OpenGL and MesaGL at the same time?

[Tuhin Sinha]

Berk, 

  I guess I forgot to mention that I had to enable VTK_OPENGL_HAS_OSMESA to 
get vtkMesaRenderWindow to compile (needed by 
Examples/MangledMesa/Tcl/OffScreenPrinting.tcl).  When I do this and set the 
appropriate paths, vtkMesaRenderWindow still fails to compile becuase it 
can't find GL/osmesa.h.  I looked at the CMakeLists.txt file in Rendering and 
it looks like you can either have VTK_OPENGL_HAS_OSMESA or 
VTK_USE_MANGLED_MESA... this makes sense to me.  However, given this 
situation the tcl script won't run unless vtkMesaRenderWindow is changed to 
vtkXMesaRenderWindow.  If I want the script to run as is (from CVS) I need to 
compile VTK with VTK_OPENGL_HAS_OSMESA and VTK_USE_MANGLED_MESA and then 
force the compile to look in the Mesa include dir for the appropriate include 
files (via setting CMAKE_CXX_FLAGS).  Neither one of these solutions seems 
completely right to me.  Where is my logic failing?

Thanks Berk,

Tuhin

On Thursday 13 March 2003 11:48, Berk Geveci wrote:
> >   I did get the OS mesa finally running.  Thanks for all your help. 
> > However, I did have to add an include directory flag to CMAKE_CXX_FLAGS
> > pointing to my Mesa/include directory, otherwise the Rendering directory
> > would not compile (vtkMesaRenderWindow complains about not being able to
> > find GL/osmesa.h). Does the CMakeLists.txt file in Rendering need to be
> > updated to correct this problem?
>
> Not really. The following should be in your cache:
> MANGLED_MESA_INCLUDE_DIR
> MANGLED_OSMESA_INCLUDE_DIR
>
> -Berk