HI Auke-Dirke, On 25 April 2016 at 14:07, Auke-Dirk Pietersma <[email protected]> wrote:
> I have the following issue. Whenever i choose to render a scene with > opengl greater than 2.1 i get the following messages. > > Warning: detected OpenGL error 'invalid enumerant' after applying GLMode > 0xb50 > Warning: detected OpenGL error 'invalid enumerant' after applying GLMode > 0x4000 > Warning: detected OpenGL error 'invalid operation' after applying > attribute LightModel > > Not only do i obtain these messages, the scene also does not get rendered. > > Nothing fancy has been done, see this init snippet: > > graphicsWindow_ = new osgViewer::GraphicsWindowEmbedded( this->x(), > this->y(),this->width(),this->height() ); > viewer_ = new osgViewer::Viewer; > > osg::Camera* camera = new osg::Camera; > camera->setViewport( 0, 0, this->width(), this->height() ); > float aspectRatio = static_cast<float>( this->width()) / > static_cast<float>( this->height() ); > camera->setClearColor( osg::Vec4( 0.f, 0.f, 1.f, 1.f ) ); > camera->setProjectionMatrixAsPerspective( 30.f, aspectRatio, 1.f, > 1000.f ); > camera->setGraphicsContext( graphicsWindow_ ); > viewer_->setCamera(camera); > > _earthManip = new osgEarth::Util::EarthManipulator; > > viewer_->setCameraManipulator(_earthManip, false); > viewer_->addEventHandler(new osgViewer::StatsHandler); > > > osg::ref_ptr<osg::Group> group = new osg::Group(); > _mapNode = createMapNode(); > group->addChild(_mapNode); > _earthManip->setNode( _mapNode->getTerrainEngine() ); > > viewer_->setSceneData(group.release()); > > I'm Working on Linux with Qt5.6 on an ATI HAWAII , Radeon R9 Series. > > Can someone provide me with some hints/tips? > I presume you are using Qt to create the graphics context. Is that you are creating a context with a core profile with the compatibility profile disabled? The later is required for using the old fixed function pipeline attributes and modes. The OSG is able to use all GL3+GL4 features by testing for them at run-time even if you just create a GL2.x graphics context so there little need for explictly asking for GL3 core profile context. Robert.
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