Hi Tom, Are you assign at osg::Image to a render to texture camera?
Does the system support FBOs? Robert. On Tue, Jun 23, 2009 at 2:51 PM, Thomas Hogarth<[email protected]> wrote: > Hi guys > > I have a vague question for you. I'm developing some software using OSG on > windows and Mac. It's an augmented reality application using ARToolkit. It > was originally made for windows (on which the performance is excellent) and > was recently ported to Mac. The code is exactly the same with the exception > of the camera capture code. > > My problem is, is that performance on OS X is terrible compared to windows > and I'm trying to track down why. Using the openGL profiler that comes with > xcode I have spotted that the app is spending around 40% of its OpenGL time > in glGetTexImage. the thing is, is that to my knowledge I am not calling > this function. the only place i can find it in OSG is in > Image::readImageFromCurrentTexture. Does any one know why this might be > getting called (render to texture etc) and what I can do to improve the > performance? > > Thanks in advance > Tom > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
