And also I found good information that helped me figure this out in the OSG Quick Start Guide and the OSG Reference Manual that I recently purchased. Good job Paul... Every OSG'er should get themselves a copy (even seasoned developers like me who have been using OSG for a number of years).
Bob. ------------------------------------ Vican, Justin E. wrote: > > Hi Bob, > I've done this by deriving an osg::Drawable class, and overriding the > drawImplementation method to call my OGL code. I then stick this > drawable in a osg::Geode and insert into the scenegraph. This approach > has worked equally well with hand coded legacy OGL code and with code > generated by 3rd party OGL code generators like GLStudio. > > -Justin > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Paul > Martz > Sent: Friday, October 19, 2007 11:43 AM > To: 'OpenSceneGraph Users' > Subject: Re: [osg-users] Integration of OGL draw() method > > 2. would work, and a variant on that is to derive your own Drawable and > override drawImplementation() to issue your OpenGL calls. Again, you'd > have > to assign a max render bin number to the Drawable's StateSet. > -Paul > > > > > I have some 3rd party OGL code that needs to draw (add some 2D/3D > > decorations) directly to the framebuffer after everything > > else is drawn (i.e. right before swapBuffers). > > > > What would be the best way to do this: > > > > 1. add a call in Viewbase.cpp to call the 3rd party draw() > > method right before swapBuffers(). > > > > 2. a draw callback on a scenegraph node assigned to the > > highest number render bin. > > > > 3. other ways? > > > > Thanks. > > > > > > Bob. > > -- > > Robert E. Balfour, Ph.D. > > Exec. V.P. & CTO, BALFOUR Technologies LLC 960 South > > Broadway, Suite 108, Hicksville NY 11801 > > Phone: (516)513-0030 Fax: (516)513-0027 email: [EMAIL PROTECTED] > > _______________________________________________ > > 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.or > g > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org -- Robert E. Balfour, Ph.D. Exec. V.P. & CTO, BALFOUR Technologies LLC 960 South Broadway, Suite 108, Hicksville NY 11801 Phone: (516)513-0030 Fax: (516)513-0027 email: [EMAIL PROTECTED] _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
