[vtkusers] Qt VTK OpenGL Not Supported problem

[Mike Chinander]

Add this before you create your QApplication object:

QSurfaceFormat::setDefaultFormat(QVTKOpenGLWidget::defaultFormat
<https://www.vtk.org/doc/nightly/html/classQVTKOpenGLWidget.html#a966b1fe4f2a52b36ecc0d9d1d1c81c70>
());

This is described in the QVTKOpenGLWidget documentation:
https://www.vtk.org/doc/nightly/html/classQVTKOpenGLWidget.html#details

On Wed, Sep 12, 2018 at 8:24 AM meakcey <meakcey at gmail.com> wrote:

> Hi
> I am trying to embed QVTKOpenGLWidget into Qt Widget application but I am
> having such a strange error when I run the application in release mode.
> I added QOpenGLWidget to ui and promoted that to custom class inherited
> from
> QVTKOpenGLWidget.
>
> When I run it I am getting error below:
>
> ERROR: In C:\Program
> Files\VTK\source\Rendering\OpenGL2\vtkOpenGLRenderWindow.cxx, line 785
> vtkGenericOpenGLRenderWindow (000002BF9664D7F0): GLEW could not be
> initialized.
> QOpenGLFramebufferObject: Framebuffer incomplete attachment.
> versionFunctions: Not supported on OpenGL ES
>
> I am not trying to build that with OpenGL ES actually but I think Qt is
> trying to run.
> If I start the release .exe outside of the Qt it is running without any
> problem.
> What could be the root cause of the problem?
>
> Thanks
>
>
>
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