My last post got deleted because it was a cross-post and/or wasn't clear enough. If you are interested, it is here: http://www.opengl.org/discussion_boa...454#Post285454
So trying one last time, to the point.
Is there any undefined behavior for framebuffers that can result two different outputs for the samples below?
Code :bind_fb viewport(w, h) draw unbind_fb copy_into_main_fb
Code :viewport(w, h) draw