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

[Tuhin Sinha]

Berk,

  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?  I am using CMake v1.7 with VTK v4.2.1.  Thanks for your help in 
this.

Tuhin

On Wednesday 12 March 2003 15:02, Berk Geveci wrote:
> Here is how I do it:
>
> 1. use  Makefile.X11 to build Mesa (not configure)
> 2. edit Make-config, add -DUSE_MGL_NAMESPACE to CFLAGS of the target
> linux-static
> 3. compile the target linux-static
> 4. rename libGL.a to something like libMGL.a
> 5. follow the instruction in VTK/Examples/MangledMesa/README.txt
>
> Some of the later versions of Mesa might not compile since the mangled
> stuff was broken for a while. I usually use Mesa 4 (cvs should also
> work).
>
> -Berk
>
> On Wed, 2003-03-12 at 15:38, Tuhin wrote:
> > Berk,
> >
> > 	Thanks for the quick reply.  I am looking at the Mesa3D website and I
> > can't find any information on how to build a mangled verion of mesa. 
> > Could you please point me in the right direction.  Thanks again.
> >
> > Tuhin
> >
> > On Wednesday 12 March 2003 14:41, you wrote:
> > > You can not. You have to use mangled mesa which allows you to
> > > link against both nvidia's GL and mesa. You then create
> > > different rendering objects when you want to use the mesa
> > > off-screen. Look at
> > > VTK/Examples/MangledMesa/README.txt
> > > and the examples
> > > in VTK/Examples/MangledMesa/Tcl
> > >
> > > -Berk
> > >
> > > On Wed, 2003-03-12 at 15:19, Tuhin wrote:
> > > > Hello users,
> > > >
> > > >   Does anyone know if you can link against Nvidia's libGL and
> > > > libOSMesa at the same time on linux.  I am trying to compile the CVS
> > > > tagged "release-4-2-1" source with both OpenGL and Mesa's Offscreen
> > > > rendering enabled but I get undefined references related to _glapi_*
> > > > from libOSMesa.  Thanks in advance.
> > > >
> > > > Tuhin
> > > > --
> > > > Graduate Research Assistant
> > > > Dept. Of BME
> > > > Vanderbilt University
> > > > 615-343-8261
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> > --
> > Graduate Research Assistant
> > Dept. Of BME
> > Vanderbilt University
> > 615-343-8261