Hi,
OK, I saw this
traits->sharedContext = 0;
We normally have something like this:
if (this->getNumViews() >= 1) {
traits->sharedContext =
this->getView(0)->getCamera()->getGraphicsContext();
}
jp
On 16/02/11 15:12, "Martin Großer" wrote:
Hello J.P.,
both cameras have the same graphics context (gc). Here the complete part of the
code with the views:
osg::ref_ptr< osgViewer::View> view0 = new osgViewer::View;
view0->setSceneData(root);
view0->setDisplaySettings(ds0);
view0->getCamera()->setViewport(500,0,500,800);
view0->getCamera()->setGraphicsContext(gc);
osg::ref_ptr< osgViewer::View> view1 = new osgViewer::View;
view1->setSceneData(root);
view1->setDisplaySettings(ds1);
view1->getCamera()->setViewport(0,0,500,800);
view1->getCamera()->setGraphicsContext(gc);
osg::ref_ptr< osgViewer::CompositeViewer> viewer = new
osgViewer::CompositeViewer;
viewer->addView(view0);
viewer->addView(view1);
Cheers
Martin
-------- Original-Nachricht --------
Datum: Wed, 16 Feb 2011 14:58:19 +0200
Von: "J.P. Delport"<jpdelp...@csir.co.za>
An: OpenSceneGraph Users<osg-users@lists.openscenegraph.org>
Betreff: Re: [osg-users] Problem: CompositeViewer doesn\'t work with Stereo
have you tried sharing a context between the views? I'm not very
familiar with stereo, but my guess would be the context of the second
view is not set for stereo.
jp
On 16/02/11 14:50, "Martin Großer" wrote:
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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