QOpenGLShaderProgram: could not create shader program

[asra...@gmail.com]

Hello,

I have installed Mnemosyne 2.4.1 from source.

On Debian stretch mnemosyne stopped working.

error is QOpenGLShaderProgram: could not create shader program and black screen.

I tried starting it with the command line option as recommended  --qt-opengl=desktop, without success.

I have tried the Debian build in version also with similar results.

[Peter Bienstman]

Hi,

 

Have you also tried with other options, like 'angle' or 'software', or omitting the –qt-opengl argument completely?

 

Also this looks related:

 

https://github.com/Ultimaker/Cura/issues/88

 

Cheers,

 

Peter

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[asra...@gmail.com]

Thanks for your response

'angle' and 'software' give the same result.

I have python3-opengl, and python-opengl installed.

Andy

[asra...@gmail.com]

Well this does not appear to be a problem with mnemosyne, but

my configuration, as it shows up with pyqt5-examples.

I'll have to keep digging. Thanks

On Wednesday, February 8, 2017 at 10:07:15 AM UTC-6, asra...@gmail.com wrote:

[asra...@gmail.com]

To further answer my problem.

As you suggested I added

"from OpenGL import GL" 

to the mnemosyne script, and now it works

On Wednesday, February 8, 2017 at 10:07:15 AM UTC-6, asra...@gmail.com wrote:

[Peter Bienstman]

Thanks, I will add this to the release along with a warning if the import fails.

 

Peter

 

From: mnemosyne-...@googlegroups.com [mailto:mnemosyne-...@googlegroups.com] On Behalf Of asra...@gmail.com

Sent: 08 February 2017 18:29
To: mnemosyne-proj-users <mnemosyne-...@googlegroups.com>

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