Hi Chris,
If glGetError() is crashing then it suggests that you are calling this
code from a thread that doesn't have valid graphics context, which is
a bug at the application level, rather than SceneView itself.
Robert.
On Fri, Sep 19, 2008 at 4:09 PM, Chris Denham <[EMAIL PROTECTED]> wrote:
> Just found a little problem with SceneView.cpp crashing with NULL pointer
> exception because it tried to use a NULL returned by gluErrorString().
> I noticed that there is GL error reporting code in State.cpp that probably
> should have be used here.
> Mods shown below, and I have attached modified osg2.6 SceneView.cpp
>
> //////////////////BEFORE//////////////////////
> GLenum errorNo = glGetError();
> if (errorNo!=GL_NO_ERROR)
> {
> osg::notify(WARN)<<"Warning: detected OpenGL error
> '"<<gluErrorString(errorNo)<<"'"<< std::endl;
>
> // go into debug mode of OGL error in a fine grained way to help
> // track down OpenGL errors.
> state->setCheckForGLErrors(osg::State::ONCE_PER_ATTRIBUTE);
> }
> }
> /////////////AFTER////////////////////////////
> if (state->checkGLErrors("end of SceneView::draw()"))
> {
> // go into debug mode of OGL error in a fine grained way to help
> // track down OpenGL errors.
> state->setCheckForGLErrors(osg::State::ONCE_PER_ATTRIBUTE);
> }
> //////////////////////////////////////////////////////
>
>
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>
>
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