AFAIK osg::Hint(GL_LINE_SMOOTH_HINT, GL_NICEST) worked well for me under 2.0, 2.2, 2.4, no idea bout pre 2.0 though. Note that smoothing works also without setting such flag, that's simply an hint sent to the driver which is free to ignore it or interpret it in which ever way.
Michele On Thu, Apr 24, 2008 at 2:26 PM, Gianluca Natale <[EMAIL PROTECTED]> wrote: > Thank you. > So, the filter specified via osg::Hint > can be set only from OSG ver. 2.0, isn't it? > > Gianluca > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Robert > Osfield > Sent: Thursday, April 24, 2008 12:35 PM > To: OpenSceneGraph Users > Subject: Re: [osg-users] antialiased lines > > Hi Gianluca, > > The OSG just passes state along to the OpenGL, the glHint support is > just another means to setting OpenGL state. How the OpenGL driver > responds to the that State is down to the driver/hardware. In the > case of line smoothing I believe that you still need to enable > GL_LINE_SMOOTH even when using the hints, the mode simply enables the > use of filtering that the hints specify. > > Robert. > > On Thu, Apr 24, 2008 at 11:20 AM, Gianluca Natale > <[EMAIL PROTECTED]> wrote: > > > > > > > > > > Hi OSG developers! > > > > > > > > I'm trying to draw antialiased lines with OSG ver .2.2, but I'm having > > problems. > > > > > > > > This is my code: > > > > > > > > osg::ref_ptr<osg::Hint> antialiasHint = new > > osg::Hint(GL_LINE_SMOOTH_HINT, GL_NICEST); > > > > StateSet->setAttributeAndModes(antialiasHint.get(), > > osg::StateAttribute::ON); > > > > > > > > Obviously I've also set a blending function. > > > > Is there something wrong in my code, or a well-known bug in OSG 2.2? > > > > > > > > Note that in OSG ver. 1.2 I obtained the same effect just by calling: > > > > > > > > StateSet->setMode(GL_LINE_SMOOTH, osg::StateAttribute::ON); > > > > > > > > This still does work in OSG ver 2.2, but I wanted to update my code to the > > correct use of glHint > > > > under OSG. > > > > > > > > Thank you in advance. > > > > Gianluca Natale > > > > > > _______________________________________________ > > 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 > > > -- > No virus found in this incoming message. > Checked by AVG. > Version: 7.5.524 / Virus Database: 269.23.4/1394 - Release Date: 23/04/2008 > 19.16 > > > > > _______________________________________________ > 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
