[osg-users] Best way to debug detected OpenGL error 'invalid value' at top of State::apply(StateSet*)

[OpenSceneGraph Users]

Hi Erik,

> My question is: how can I find out what the underlying problem is? What is the 'invalid value'?
> Where is it coming from?

take a look at the GL_KHR_debug and GL_ARB_debug_output extensions. They
add some checking to OpenGL state changes and report errors.

Greetings,
Daniel

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