Hi,
there are no ideas what is wrong with my test programme?
I have no idea to fix this problem.
Cheers
Martin
-------- Original-Nachricht --------
> Datum: Tue, 15 Feb 2011 10:34:49 +0100
> Von: "Martin Großer" <grosser.mar...@gmx.de>
> An: OpenSceneGraph Users <osg-users@lists.openscenegraph.org>
> Betreff: Re: [osg-users] Problem: CompositeViewer doesn\'t work with Stereo
> Hello Robert,
>
> I tried a simple test programme. I used the composite viewer and two
> views. If I set up stereo on one view, it works fine. Also with the horizontal
> interlace. But if I set the stereo to both, I get the message "Warning:
> detected OpenGL error 'invalid value' after RenderBin::draw(,)" and only the
> first view works. It seems to me that my graphics context is not correct for
> this use case.
>
> Here the main lines of my test programme:
>
>
> // DisplaySettings
> osg::DisplaySettings* ds0 = new osg::DisplaySettings;
> ds0->setStereo(true);
> ds0->setStereoMode(osg::DisplaySettings::HORIZONTAL_INTERLACE);
>
> osg::DisplaySettings* ds1 = new osg::DisplaySettings;
> ds1->setStereo(true);
> ds1->setStereoMode(osg::DisplaySettings::HORIZONTAL_INTERLACE);
>
> // Graphics Context
> osg::ref_ptr<osg::GraphicsContext::Traits> traits = new
> osg::GraphicsContext::Traits;
>
> traits->x = 100;
> traits->y = 100;
> traits->width = 1000;
> traits->height = 800;
> traits->windowDecoration = true;
> traits->doubleBuffer = true;
> traits->sharedContext = 0;
> traits->stencil = 8;
> traits->useMultiThreadedOpenGLEngine=true;
> traits->vsync=true;
> traits->screenNum = 0;
>
> osg::ref_ptr<osg::GraphicsContext> gc =
> osg::GraphicsContext::createGraphicsContext(traits.get());
> if (gc.valid()){ [...] }
>
> osg::ref_ptr< osgViewer::View > view0 = new osgViewer::View;
> view0->setDisplaySettings(ds0);
> [...]
>
> osg::ref_ptr< osgViewer::View > view1 = new osgViewer::View;
> view1->setDisplaySettings(ds1);
> [...]
>
>
> Best regards
>
> Martin
>
>
> -------- Original-Nachricht --------
> > Datum: Mon, 14 Feb 2011 11:36:53 +0000
> > Von: Robert Osfield <robert.osfi...@gmail.com>
> > An: OpenSceneGraph Users <osg-users@lists.openscenegraph.org>
> > Betreff: Re: [osg-users] Problem: CompositeViewer doesn\'t work with
> Stereo
>
> > Hi Martin,
> >
> > The rendering backend is identical between Viewer and CompositeViewer
> > so both are fully capable of doing stereo. I presume the issue comes
> > from the DisplaySettings hints used to pass in the stereo settings.
> > With CompositeViewer each View can have it's own DisplaySettings
> > object so you can set this up independantly.
> >
> > Robert.
> >
> > 2011/2/14 "Martin Großer" <grosser.mar...@gmx.de>:
> > > Hello,
> > >
> > > I use the osg composite viewer and I try to use some stereo mode, i.e.
> > CHECKERBOARD, HORIZONTAL_INTERLACE or the VERTICAL_INTERLACE. But this
> modes
> > don't work with the composite viewer. I use osg 2.8.
> > >
> > > I guessed it is a problem in my application, so I tried the
> > osgcompositeviewer example with these stereo modes. Also these didn't
> work.
> > >
> > > Any ideas?
> > >
> > > Cheers
> > >
> > > Martin
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