[vtk-developers] OSMesa regression

[Utkarsh Ayachit]

Bill,

There was nothing that was changed by this commit as far as flags
needed is concerned. VTK_OPENGL_HAS_OSMESA was always needed to use
OSMesa. What are the flags you were using before?

Utkarsh

On Sun, Aug 7, 2016 at 11:50 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> I added
> //The OpenGL library being used supports off screen Mesa calls
> VTK_OPENGL_HAS_OSMESA:BOOL=ON
>
> to my cache and all is well.
>
> Are these changes documented somewhere on the Wiki?
>
> Bill
>
> On Sun, Aug 7, 2016 at 11:37 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>> The commit at the end of thie email causes my Offscreen build to fail
>> with errors like these:
>> [100%] Linking C shared library ../../../lib/libvtkgl2ps-7.1.so
>> CMakeFiles/vtkgl2ps.dir/gl2ps.c.o: In function `gl2psAddText':
>> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:885:
>> undefined reference to `glGetBooleanv'
>> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:887:
>> undefined reference to `glGetFloatv'
>> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:916:
>> undefined reference to `glGetFloatv'
>> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:936:
>> undefined reference to `glPassThrough'
>> ...
>>
>> commit 561c9b6403f4562d91e4fe36e55713747fa22d39
>> Author: Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
>> Date:   Wed Jul 6 15:26:57 2016 -0400
>>
>>     Add support for on and off screen Mesa in same build.
>>
>>     On and Off scrreen Mesa can now be enabled in the same version of VTK.
>>     Tested with Mesa 12.0.0-rc2, but has been reported to work with 11.2 as
>>     well.
>
>
>
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