If you've already created a context and made it current, then you should just be able to use osgViewer::Viewer::setUpViewerAsEmbeddedInWindow. The osgviewerGLUT example does this -- GLUT creates the context and makes it current, just as you're doing in your own app.
Hope this helps, -Paul > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Javier Taibo > Sent: Saturday, October 13, 2007 4:14 AM > To: OpenSceneGraph Users > Subject: [osg-users] OSG rendering inside OpenGL application > > Hi, > > I am trying to use OSG for rendering a scenegraph to > texture for its use in an OpenGL application. > > The application binds an FBO with a texture attached to it > and establishes the Viewport where the render should be done, > so I have a valid and active OpenGL context configured to > just draw the primitives. > Then, a virtual method of an abstract class is called to do > the render. > I want to make an implementation of this class based on OSG > to render complex scenes and load them from any file format > supported by OSG. > > What is the best way to do it? I am wondering about using a > SceneView object or doing it at a lower level (building the > CullVisitor, RenderStage, StateGraph, etc). > > As the second choice considerably more difficult, I'm > trying first using SceneView. I am initializing with > > _sceneView = new osgUtil::SceneView(); > _sceneView->setDefaults(); > _sceneView->setSceneData( _escena.get() ); > > and then every frame, after placing the camera I do the traversals > > _sceneView->update(); > _sceneView->cull(); > _sceneView->draw(); > > but I am getting this message continuously: > > Warning: detected OpenGL error 'invalid operation' after > RenderBin::draw(,) > > > I would like to know the experts suggestions, just in case > I am doing it the wrong way. > > Is there any example/tutorial/source code doing something > similar that I can take a look at? > > Thanks in advance. > > > -- > Javier Taibo > VideaLAB. Grupo de Visualización en Ingeniería, Arquitectura > y Urbanismo E.T.S.I. de Caminos, Canales y Puertos > Universidade da Coruña Campus de Elviña, s/n > 15071 - A Coruña (Spain) > +34-981-167000 (ext. 5444) > http://videalab.udc.es > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-opensce negraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
