[vtkusers] Crash in vtkShaderProgram/vtkOpenGLPolyDataMapper

[Sebastien Jourdain]

There is only one change on the OpenGL backend but it is a huge one. So
definitely it is more than likely the case...

Ken any thoughts on that initialization process/check?

Otherwise, you can always build your VTK with the OpenGL1 backend and see
if your problem goes away. That could also help us narrow down the source
of the problem.

Thanks,

Seb

On Wed, Apr 27, 2016 at 9:15 AM, dei <david.ei at novodynamics.com> wrote:

> This feels like a race condition between the vtk initialization of OpenGL
> and
> the first vtkRender() call. Is there a way to test for OpenGL initialized?
> I
> could block vtkRender() calls till it's ready to go. vtk's usage of OpenGL
> changed a lot in the last 2 years, right?
>
>
>
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