[vtk-developers] Error on glGenQueries

[Ken Martin]

What version of VTK are you using? How do you change your camera? Using the
same window or creating a new one?

Ken

On Mon, Dec 19, 2016 at 4:01 AM, Romain CENDRE <
romain.cendre at optopartner.com> wrote:

> Hi everyone,
> I'm new and I'm starting to work on VTK.
>
> ////    CONTEXT
>
> We use VTK with OpenGL2 (don't ask me why, it's not mandatory, it was
> choosen by a previous developper).
>
> I've made a Pipeline made like this:
>
> 2D data image   =>   vtkImageMagnitude  => vtkImageDataGeometryFilter  =>
>  vtkWarpScalar => vtkMergeFilter (geometry)  => Actor
>
>  =========================================> vtkMergeFilter (Scalars)
>
> I keep a reference on vtkImageMagnitude  to change image data stored
> inside, hope that all the pipe refresh itself and it seems to work at this
> time.
>
> My image actor is included in a Renderer, with an cubeAxesActor, a
> ScalarBar and  a LegendScaleActor.
>
> All pipeline objects are started one time at the start.
>
>
> ////    PROBLEM
>
> My problem is when I want to change my camera location (to get a 2D view)
> and call Render() on the renderer to refresh scene I get the following
> error:
>
> vtkOpenGLRenderer (0537D740): failed after Clear 16 OpenGL errors detected
> 0 : (1282) Invalid operation
> 1 : (1282) Invalid operation
> 2 : (1282) Invalid operation
> 3 : (1282) Invalid operation
> 4 : (1282) Invalid operation
> 5 : (1282) Invalid operation
> 6 : (1282) Invalid operation
> 7 : (1282) Invalid operation
> 8 : (1282) Invalid operation
> 9 : (1282) Invalid operation
> 10 : (1282) Invalid operation
> 11 : (1282) Invalid operation
> 12 : (1282) Invalid operation
> 13 : (1282) Invalid operation
> 14 : (1282) Invalid operation
> 15 : (1282) Invalid operation
>
>
> ERROR: In ..\..\..\sources\Rendering\OpenGL2\vtkOpenGLCamera.cxx, line 144
> vtkOpenGLCamera (053D4D20): failed after Render 16 OpenGL errors detected
> 0 : (1282) Invalid operation
> 1 : (1282) Invalid operation
> 2 : (1282) Invalid operation
> 3 : (1282) Invalid operation
> 4 : (1282) Invalid operation
> 5 : (1282) Invalid operation
> 6 : (1282) Invalid operation
> 7 : (1282) Invalid operation
> 8 : (1282) Invalid operation
> 9 : (1282) Invalid operation
> 10 : (1282) Invalid operation
> 11 : (1282) Invalid operation
> 12 : (1282) Invalid operation
> 13 : (1282) Invalid operation
> 14 : (1282) Invalid operation
> 15 : (1282) Invalid operation
>
>
> ERROR: In ..\..\..\sources\Rendering\OpenGL2\vtkOpenGLRenderer.cxx, line
> 125
> vtkOpenGLRenderer (0537D740): failed after UpdateLights 16 OpenGL errors
> detected
> 0 : (1282) Invalid operation
> 1 : (1282) Invalid operation
> 2 : (1282) Invalid operation
> 3 : (1282) Invalid operation
> 4 : (1282) Invalid operation
> 5 : (1282) Invalid operation
> 6 : (1282) Invalid operation
> 7 : (1282) Invalid operation
> 8 : (1282) Invalid operation
> 9 : (1282) Invalid operation
> 10 : (1282) Invalid operation
> 11 : (1282) Invalid operation
> 12 : (1282) Invalid operation
> 13 : (1282) Invalid operation
> 14 : (1282) Invalid operation
> 15 : (1282) Invalid operation
>
>
> ERROR: In ..\..\..\sources\Rendering\OpenGL2\vtkOpenGLProperty.cxx, line
> 91
> vtkOpenGLProperty (05A061E8): failed after Render 16 OpenGL errors detected
> 0 : (1282) Invalid operation
> 1 : (1282) Invalid operation
> 2 : (1282) Invalid operation
> 3 : (1282) Invalid operation
> 4 : (1282) Invalid operation
> 5 : (1282) Invalid operation
> 6 : (1282) Invalid operation
> 7 : (1282) Invalid operation
> 8 : (1282) Invalid operation
> 9 : (1282) Invalid operation
> 10 : (1282) Invalid operation
> 11 : (1282) Invalid operation
> 12 : (1282) Invalid operation
> 13 : (1282) Invalid operation
> 14 : (1282) Invalid operation
> 15 : (1282) Invalid operation
>
>
> The error happens at this line :
>
> if (this->TimerQuery == 0)
> {
>    glGenQueries(1, static_cast<GLuint*>(&this->TimerQuery));
> }
>
> If you want my code, you can ask me.
>
> I think it's just a newbie problem, but I don't find anything on it.
>
> Best regards
> Romain
>
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-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

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