Ok I have a not really clean fix but this work. I will investigate more on this issue. Keep you informed
David 2007/10/17, Panagiotis Papadakos <[EMAIL PROTECTED]>: > > Hi David. Thanks for your time and the example. > > I have the same problem with your example as I have with my own code. > Running "./a.out --samples 4 saved_model.osg", uses anti-aliasing when the > application starts although SwitchMultisampleHandler disables it in > constructor. Pressing 2 times 'm' disables it, as it also happens with my > app. > > Panagiotis Papadakos > > On Wed, 17 Oct 2007, David Callu wrote: > > > Hi Panagiotis > > > > I attach a osgviewer based example of use of multisample > > > > You can switch on/off multisample with the key 'm' > > > > Cheers > > David > > > > 2007/10/14, Panagiotis Papadakos <[EMAIL PROTECTED]>: > >> > >> Hi David > >> > >> On Tue, 9 Oct 2007, David Callu wrote: > >> > >>> Hi Panagiotis > >>> > >>> 2007/10/6, Panagiotis Papadakos <[EMAIL PROTECTED]>: > >>>> > >>>> Hi. > >>>> > >>>> I want to add an option of using multisampling for my app. So I have > >> setup > >>>> DisplaySettings with setNumMultiSamples(4). The user is able to > >>>> enable/disable multisampling as he feels in the app, by > >> enabling/disabling > >>>> > >>>> the GL_MULTISAMPLE_ARB in the root stateset. My problem now is that > >>>> initially I want to have multisampling disabled, which I can't figure > >> out > >>>> how to do. I have tried setting GL_MULTISAMPLE_ARB OFF in the root > >>>> stateset, but this doesn't seem to help. Any ideas? > >>> > >>> > >> > >>> This seem to be the good method. > >>> you can try > >>> > >>> 1) do root->getOrCreateStateSet()->setMode(GLL_MULTISAMPLE_ARB, > >>> osg::StateAttribut::OFF | osg::StateAttribut::OVERRIDE) > >> > >> This is what I've been trying. More specifically > >> root->getOrCreateStateSet()->setMode(GL_MULTISAMPLE_ARB, > >> osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED | > >> osg::StateAttribute::OVERRIDE); > >> > >> after the viewer has been realized. > >> > >>> 2) I think that number of sample is define when the OpenGL context is > >>> created > >>> so recreate a context on each switch of the number os sample you > >> want. > >>> > >> Why should I recreate a context? I think I should be able to > >> enable/disable Multisampling with setting the state mode ON/OFF. > >> > >>> How did you know that multisample is enabling/disabling. > >>> Did you look the render ? > >> Yep, that is the case. I saw the render. > >> > >>> Did you do a request to OpenGL about multisample ? > >>> > >>> > >>> David > >>> > >>> > >>> Thanks > >>>> Panagiotis Papadakos > >>>> _______________________________________________ > >>>> osg-users mailing list > >>>> osg-users@lists.openscenegraph.org > >>>> > >> > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > >>>> > >>> > >> > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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