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Shared openGL Context generating Glyph::subload error


 
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pioupiou
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Joined: 19 Jul 2019
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PostPosted: Fri Jul 19, 2019 3:23 pm    Post subject:
Shared openGL Context generating Glyph::subload error
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Hi everyone,

We have a library using provided textures for rendering. We usually connect our library to existing software by sharing the context (using glXGetCurrentContext) and the textures ID.

It works well in other cases, but we met some trouble connecting to a software using OSG for rendering.

We manage to share the context & textures using TextureObject->id(). However, at the beginning of the second frame, it always crashes with the following error :

before Glyph::subload. OpenGL error : Invalid Operation.

I suspect a context mismatch, but we already tried to make current the OSG context again (using glXMakeCurrent or Osg::makecurrent) with no results.

Any ideas on the possible cause?

Thanks a lot.

stephane.
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