[vtkusers] [vtk-developers] Deprecate VTK_RENDERING_BACKEND=OpenGL

[Dan Lipsa]

Hi Bill,
I have Ubuntu 16.04 (latest LTS) which has mesa 12.0. That should work fine
with OpenGL2.

The following blog mentions that OpenGL2 works with Mesa 11.1 (with a
workaround) and with 11.2.
https://blog.kitware.com/messing-with-mesa-for-paraview-5-0vtk-7-0/


On Thu, Sep 14, 2017 at 9:47 AM, Bill Lorensen <bill.lorensen at gmail.com>
wrote:

> Does the standard ubuntu OSMesa work with opengl2
>
>
> On Sep 14, 2017 9:07 AM, "Dan Lipsa" <dan.lipsa at kitware.com> wrote:
>
>> Hi all,
>>
>> We are working to deprecate the legacy rendering backend in VTK.
>>
>> https://gitlab.kitware.com/vtk/vtk/merge_requests/3262
>>
>> After this merge request is in, you'll get warnings if you compile
>> using VTK_RENDERING_BACKEND=OpenGL.
>>
>> As with other legacy features, you can silence the warnings by setting
>> VTK_LEGACY_SILENT=ON
>>
>> You can remove legacy features by defining
>> VTK_LEGACY_REMOVE=ON
>> In this case, you'll get an error and will be automatically switch to
>> VTK_RENDERING_BACKEND:STRING=OpenGL2
>>
>>
>> Thanks,
>> Dan
>>
>>
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