[vtkusers] OpenGL fails to initialize for Windows 7, VTK 7.0

David Gobbi david.gobbi at gmail.com
Mon Feb 22 15:03:34 EST 2016

If you get the master branch, it includes this patch which might be related:

On Mon, Feb 22, 2016 at 12:33 PM, Matthias Blaicher <matthias at blaicher.com>

> Hi David,
> I guess you are right, it looks like this is the issue. According to
> OpenGL Extensions Viewer, the card exposes OpenGL 4.
> If I understood it correctly, the problem seems to be that gpu_shader4
> is not exposed in the 2.1 context. And 3.2 is tested but fails (have to
> check that for my card).
> Is there any patch, which would try a 3.1 context too? I've seen some
> commits in master (e.g. ca65662fa "Merge topic
> 'try_more_recent_opengl_add_getversion'"). I'll give the master branch a
> spin and report back.
> Best,
> Matthias
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