Wojtek wrote: > Hi Krzysztof, > > Not sure about PBO but FBO support in OSG works with multisampling. > See > > > > Camera::attach( > BufferComponent buffer, > osg::Texture* texture, > unsigned int level, > unsigned int face, > bool mipMapGeneration, unsigned int multisampleSamples, > unsigned int multisampleColorSamples) > > > method. > > > Cheers, > > Wojtek Lewandowski > > > 2016-12-09 11:01 GMT+01:00 Krzysztof Rahn <Krzysztof.Rahn+ (Krzysztof.Rahn+)>: > > > Hello everyone, > > > > I'm working on a company project that displays navigation maps for ships > > with OpenSceneGraph. > > The product we develop is a library that generates map images, so a > > customer (developer) > > can use our library to develop its own navigation system. > > > > This requires to generate a offscreen image and if possible an antialiased > > one. > > Unfortunately we can not generate a antialiased offscreen image. > > > > I already tried > > > > > osg::DisplaySettings::instance()->setNumMultiSamples(4); > > > > > > > and > > > > > traits->samples = 4; > > > > > to create a osg::GraphicsContext > > but this only works with a window generated from OpenSceneGraph or > > with a embedded context (osgViewer::GraphicsWindowEmbedded()). > > > > I know we can enable "GL_LINE_SMOOTH". This is what we use at this moment > > and it is > > working with offscreen rendering but we really need multisampling for > > better results (or any other form of anitaliasing). > > > > I created a small peace of C++ sourcecode on a Linux system that does > > offscreen rendering (with a pbuffer) > > into a tga image file (I think you also need OpenSceneGraph plugins for > > that to work), > > so you can roughly see how we use it at this moment (without GL_LINE_SMOOTH > > to keep it simple). > > > > Of course I looked into the examples and this peace of code is based of one > > of them. > > But I could not spot anything in the examples that could help me. > > I also searched in the forum on this topic but most threads about offscreen > > rendering don't consider if multisampling is enabled. > > > > I would really appreciate if someone could help us with this small code in > > the right direction > > or make any suggestion if there is any other way to solve this if > > OpenSceneGraph is not able to do this. > > > > A main.cpp and a CMakeLists.txt should be attached to this post. > > > > Thank you very much, > > Kris > > > > ------------------ > > Read this topic online here: > > http://forum.openscenegraph.org/viewtopic.php?p=69644#69644 > > (http://forum.openscenegraph.org/viewtopic.php?p=69644#69644) > > > > > > > > > > Attachments: > > http://forum.openscenegraph.org//files/cmakelists_664.txt > > (http://forum.openscenegraph.org//files/cmakelists_664.txt) > > http://forum.openscenegraph.org//files/main_667.cpp > > (http://forum.openscenegraph.org//files/main_667.cpp) > > > > > > _______________________________________________ > > osg-users mailing list > > () > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org) > > > > > ------------------ > Post generated by Mail2Forum
I guess I will need to test how FBO work. I though that pbuffer and FBO will not make a big difference. Thank you. ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=69649#69649 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
