Hi wernerM,
Unfortunalety something like TeamViewer is not an option for me.
I have to it the hard way(via windows rdp)...
wernerM wrote:
> Hi Daniel,
> We are also using OSG together with modeen shaders like geometry shaders. We
> have to do a lot of online presentations and online support. This works
> perfect with TeamViewer. May this be an option for you?
>
> On 9. September 2016 18:04:13 MESZ, Daniel Neos <> wrote:
> >
> > > Hi,my Applcation mainly uses Qt(with QOpenGlWidget) and OpensceneGraph,
> > > thus it relies heavily on OpenGL.Since the Remote Desktop Protocol(RDP)
> > > poorly supports OpenGL, there is no trivial way to runmy application over
> > > Windows Remote Desktop. Hence, I choose to use Softwarerendering as a
> > > fallback.I can tell Qt which opengl version to use programmatically with
> > > QCoreApplication::setAttribute(Qt::AA_UseDesktopOpenGL, true);or
> > > QCoreApplication::setAttribute(Qt::AA_UseSoftwareOpenGL, true);But osg
> > > seems to strictly link against opengl.dll from the desktop version, no
> > > matter if i am delay loading the osg*.dll i am using or not.When delay
> > > loading the osg*.dll , the desktop version will be loaded when the
> > > application makes it first contact with osg-related stuff, in my case it
> > > is an objects which inherits from QOpenGLWidget integrating the
> > > openscenegraph viewCode:<
> > > br
> > > />OSGWidget::OSGWidget(QWidget* parent, Qt::WindowFlags f) :
> > > QOpenGLWidget(parent, f) , m_graphicsWindow(new
> > > osgViewer::GraphicsWindowEmbedded(x(), y(), width(),
> > > height())) , m_geometry(new osg::Geometry()) ,
> > > m_isInitialized(false) , m_compositeViewer(new
> > > osgViewer::CompositeViewer) , m_camera(new osg::Camera) ,
> > > m_view(new OsgView) , m_geometryNode(new osg::Geode) ,
> > > m_pickEventHandler(new PickEventHandler(static_cast<OSGWidget&>(*this)))
> > > , m_camManipulator(new OsgCameraManipulator) , m_depthData(nullptr)
> > > , m_markedPoint(QPoint(DepthDataSet::InvalidPixelCoordinateValue,
> > > DepthDataSet::InvalidPixelCoordinateValue)) ,
> > > m_isMarkedPointVisible(false) , m_isRendering(false){}Everything works
> > > fine using the desktop version of openg. But If I am trying to link agains
> > > t the
> > > opengl32sw.dll(from Qt), osg seems to ignore it and links the
> > > desktopOpenGL.The leads to the problem that the application crashes in
> > > the deep of osg.To be more specific, here is an excerpt of the callstack
> > > from top to bottom.->OSGWidget::paintGL()
> > > ->m_compositeViewer->renderingTraversals() -> ViewerBase::makeCurrent()
> > > -> osg::GraphicsContext::makeCurrent() ->
> > > osg::State::initializeExtensionProcs()Here I need to say that my first
> > > step is trying to run the application withsoftware rendering only, before
> > > switching to Remote Desktop.I suspect that the mixture of the
> > > opengl32.dll versions leads to crash the application or maybeeven
> > > somethings is wrong with the opengl32sw.dll from Qt. But everything
> > > non-related to osg seemsto be displayed fine. I am using osg 3.4.0 and Qt
> > > 5.7So how can I run osg Code based on Software rendering
> > > ?Thank you!Cheers,Daniel[/b][/code]------------------Read this topic
> > > online here:http://forum.openscenegraph.org/viewtopic.php?p=68563#68563
> > > (http://forum.openscenegraph.org/viewtopic.php?p=68563#68563)osg-users
> > > mailing
> > > ://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
> > > (http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org)
> >
>
>
> ------------------
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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=68565#68565
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