Hi Chris, I'll have a look at the leads you've detailed on my return next week,
Cheers, Robert. On Thu, 4 Jul 2019 at 10:42, Chris Djali <krizdj...@gmail.com> wrote: > Hi, > > Turns out that it's not a font in the object cache that's causing me grief > after all, but instead the static default font here: > https://github.com/openscenegraph/OpenSceneGraph/blob/OpenSceneGraph-3.6/src/osgText/Font.cpp#L40. > This is initialised from a GLubyte array instead of a file, so never ends > up in the object cache. > > I can manually call releaseGLObjects on it when a graphics context is > destroyed, which solves the problem for my application, but I can provide > an example of an OSG application that CodeXL says leaks stuff to prove that > there's still a footgun. > > > Code: > int main() > { > osgViewer::Viewer viewer; > > // Use an auto transform so the text actually faces the screen > osg::ref_ptr<osg::AutoTransform> scene = new osg::AutoTransform(); > scene->setAutoRotateMode(osg::AutoTransform::ROTATE_TO_SCREEN); > viewer.setSceneData(scene); > > osg::ref_ptr<osgText::Text> text1 = new osgText::Text(); > text1->setText("text1"); > scene->addChild(text1); > > // Display one or more frames > viewer.setCameraManipulator(new osgGA::TrackballManipulator()); > for (int i = 0; i < 100; ++i) > viewer.frame(); > > // Remove a text node > scene->removeChild(text1); > > // Pick which path depending on whether or not we trust all references > to things to go away > if (false) > { > text1->releaseGLObjects(); > } > else > { > > } > > text1 = nullptr; > > // osgText::Font::getDefaultFont::s_defaultFont still exists, so the > default font isn't released > > return viewer.run(); > } > > > > As before, CodeXL is still reporting the following error: > > [Image: > https://cdn.discordapp.com/attachments/502999428798480387/596112745104146487/unknown.png > ] > > Maybe it would be a good idea for static OSG objects to all be held > together in a global vector somewhere so that their GL objects can be > released whenever a context is destroyed. Maybe something like that exists > already and the default font just got forgotten. > > Cheers, > Chris > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=76365#76365 > > > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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