Hi J.P. On Tue, Dec 8, 2009 at 1:31 PM, J.P. Delport <[email protected]> wrote: > just one comment/question... Yesterday I was experimenting with PBO image > readback from FBO RTT camera's generated textures. It is possible to do this > in the camera callback by binding the texture one wants to read from > manually and doing glGetTextImage, but I did not find a way to use > glReadPixels with a PBO, because in the camera callback the FBO is already > unbound and glReadBuffer is not set (all this is handled in RenderStage). > I'm not sure how to do this all manually in the callback. Is it possible?
The osgscreencapture and osgViewer::ScreenCaptureHandler both use PBO's for reading imagery back, via... Camera callback ;-) Robert. _______________________________________________ osg-submissions mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
