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 <[email protected]> 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 run >my 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 view > > >Code: > >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 against 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 >with >software rendering only, before switching to Remote Desktop. > > >I suspect that the mixture of the opengl32.dll versions leads to crash >the application or maybe >even somethings is wrong with the opengl32sw.dll from Qt. But >everything non-related to osg seems >to be displayed fine. I am using osg 3.4.0 and Qt 5.7 > > >So 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 > > > > > >_______________________________________________ >osg-users mailing list >[email protected] >http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
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