[vtkusers] QVtkWidget / vtkPointPicker wrong coordinates

[Oleksandr Malyushytsky]

I think VTK has wrong assumption about mesa gl version and capabilities.
And we found that setting MESA_GL_VERSION_OVERRIDE is the only workaround.
Why do you think this is a problem?

By the way you would have the same problem before, but for QVTKWidget that
was not a requirement.


On Thu, Oct 18, 2018 at 2:00 AM kervel <frank at kapernikov.com> wrote:

> Hello,
>
> For reference:
>
> i managed to fix this by switching to QVTKOpenGLWidget. Unfortunately this
> requires PCL from master (for reference: this
> http://www.pcl-users.org/QVTKOpenGLWidget-Qt-PCLVisualizer-td4045158.html
> is
> not yet in a released version).
>
> Now i have some other issues: i need to run it with
> MESA_GL_VERSION_OVERRIDE=3.2 otherwise i get this:
>
>      vtkShaderProgram (0x563e8e366510): 0:1(10): error: GLSL 1.50 is not
> supported
>
> thanks,
> Frank
>
>
>
>
>
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