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| /* OpenSceneGraph example, osgcompositeviewer. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
|
|
||
| #include <iostream> | ||
|
|
||
| #include <osgUtil/Optimizer> | ||
| #include <osgDB/ReadFile> | ||
|
|
||
| #include <osg/Material> | ||
| #include <osg/Geode> | ||
| #include <osg/BlendFunc> | ||
| #include <osg/Depth> | ||
| #include <osg/Projection> | ||
| #include <osg/PolygonOffset> | ||
| #include <osg/MatrixTransform> | ||
| #include <osg/Camera> | ||
| #include <osg/FrontFace> | ||
|
|
||
| #include <osgText/Text> | ||
|
|
||
| #include <osgGA/TerrainManipulator> | ||
| #include <osgGA/FlightManipulator> | ||
| #include <osgGA/StateSetManipulator> | ||
| #include <osgViewer/ViewerEventHandlers> | ||
|
|
||
| #include <osgViewer/CompositeViewer> | ||
|
|
||
| #include <osgFX/Scribe> | ||
|
|
||
| #include <osg/io_utils> | ||
|
|
||
| class MyPager : public osgDB::DatabasePager | ||
| { | ||
| public: | ||
| virtual void updateSceneGraph(const osg::FrameStamp& frameStamp) | ||
| { | ||
| if (frameStamp.getFrameNumber() % 60 == 0) | ||
| { | ||
| osg::Timer_t start = osg::Timer::instance()->tick(); | ||
| osgDB::DatabasePager::updateSceneGraph(frameStamp); | ||
| double d = osg::Timer::instance()->delta_m(start, osg::Timer::instance()->tick()); | ||
| std::cout << "DatabasePager update took " << d << " ms. Length of active nodes = " << _activePagedLODList->size() << std::endl; | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| int main( int argc, char **argv ) | ||
| { | ||
|
|
||
| // use an ArgumentParser object to manage the program arguments. | ||
| osg::ArgumentParser arguments(&argc,argv); | ||
|
|
||
| // read the scene from the list of file specified commandline args. | ||
| osg::ref_ptr<osg::Node> scene = osgDB::readNodeFiles(arguments); | ||
|
|
||
| if (!scene) | ||
| { | ||
| scene = osgDB::readNodeFile("http://www.openscenegraph.org/data/earth_bayarea/earth.ive"); | ||
| } | ||
|
|
||
| if (!scene) | ||
| { | ||
| std::cout << argv[0] << ": requires filename argument." << std::endl; | ||
| return 1; | ||
| } | ||
|
|
||
| // construct the viewer. | ||
| osgViewer::CompositeViewer viewer(arguments); | ||
|
|
||
| if (viewer.getNumViews()==0) | ||
| { | ||
|
|
||
| osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); | ||
| if (!wsi) | ||
| { | ||
| osg::notify(osg::NOTICE)<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl; | ||
| return 1; | ||
| } | ||
|
|
||
| unsigned int width, height; | ||
| wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height); | ||
|
|
||
| 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; | ||
|
|
||
| osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get()); | ||
| if (gc.valid()) | ||
| { | ||
| osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<std::endl; | ||
|
|
||
| // need to ensure that the window is cleared make sure that the complete window is set the correct colour | ||
| // rather than just the parts of the window that are under the camera's viewports | ||
| gc->setClearColor(osg::Vec4f(0.2f,0.2f,0.6f,1.0f)); | ||
| gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | ||
| } | ||
| else | ||
| { | ||
| osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl; | ||
| } | ||
|
|
||
| // view one | ||
| { | ||
| osgViewer::View* view = new osgViewer::View; | ||
| view->setName("View one"); | ||
| viewer.addView(view); | ||
|
|
||
| view->setSceneData(scene.get()); | ||
| view->getCamera()->setName("Cam one"); | ||
| view->getCamera()->setViewport(new osg::Viewport(0,0, traits->width/2, traits->height/2)); | ||
| view->getCamera()->setGraphicsContext(gc.get()); | ||
|
|
||
| // add the state manipulator | ||
| osg::ref_ptr<osgGA::StateSetManipulator> statesetManipulator = new osgGA::StateSetManipulator; | ||
| statesetManipulator->setStateSet(view->getCamera()->getOrCreateStateSet()); | ||
|
|
||
| view->setCameraManipulator(new osgGA::TerrainManipulator); | ||
| view->addEventHandler( statesetManipulator.get() ); | ||
|
|
||
| view->addEventHandler( new osgViewer::StatsHandler ); | ||
| view->addEventHandler( new osgViewer::HelpHandler ); | ||
| view->addEventHandler( new osgViewer::WindowSizeHandler ); | ||
| view->addEventHandler( new osgViewer::ThreadingHandler ); | ||
| view->addEventHandler( new osgViewer::RecordCameraPathHandler ); | ||
| } | ||
|
|
||
| // view two | ||
| { | ||
| osgViewer::View* view = new osgViewer::View; | ||
| view->setName("View two"); | ||
| viewer.addView(view); | ||
|
|
||
| view->setSceneData(scene.get()); | ||
| view->getCamera()->setName("Cam two"); | ||
| view->getCamera()->setViewport(new osg::Viewport(traits->width/2,0, traits->width/2, traits->height/2)); | ||
| view->getCamera()->setGraphicsContext(gc.get()); | ||
| view->setCameraManipulator(new osgGA::TerrainManipulator); | ||
|
|
||
| } | ||
|
|
||
| // view three | ||
| { | ||
| osgViewer::View* view = new osgViewer::View; | ||
| view->setName("View three"); | ||
| viewer.addView(view); | ||
|
|
||
| view->setSceneData(scene.get()); | ||
|
|
||
| view->getCamera()->setName("Cam three"); | ||
| view->getCamera()->setProjectionMatrixAsPerspective(30.0, double(traits->width) / double(traits->height/2), 1.0, 1000.0); | ||
| view->getCamera()->setViewport(new osg::Viewport(0, traits->height/2, traits->width, traits->height/2)); | ||
| view->getCamera()->setGraphicsContext(gc.get()); | ||
| view->setCameraManipulator(new osgGA::TerrainManipulator); | ||
|
|
||
| // attach custom database pager | ||
| view->setDatabasePager(new MyPager); | ||
| view->getDatabasePager()->setTargetMaximumNumberOfPageLOD(1); | ||
| } | ||
|
|
||
| } | ||
|
|
||
|
|
||
| while (arguments.read("-s")) { viewer.setThreadingModel(osgViewer::CompositeViewer::SingleThreaded); } | ||
| while (arguments.read("-g")) { viewer.setThreadingModel(osgViewer::CompositeViewer::CullDrawThreadPerContext); } | ||
| while (arguments.read("-c")) { viewer.setThreadingModel(osgViewer::CompositeViewer::CullThreadPerCameraDrawThreadPerContext); } | ||
|
|
||
| // run the viewer's main frame loop | ||
| return viewer.run(); | ||
| } | ||
|
|
||
| /* OpenSceneGraph example, osgcompositeviewer. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| */ | ||
|
|
||
| #include <iostream> | ||
|
|
||
| #include <osgUtil/Optimizer> | ||
| #include <osgDB/ReadFile> | ||
|
|
||
| #include <osg/Material> | ||
| #include <osg/Geode> | ||
| #include <osg/BlendFunc> | ||
| #include <osg/Depth> | ||
| #include <osg/Projection> | ||
| #include <osg/PolygonOffset> | ||
| #include <osg/MatrixTransform> | ||
| #include <osg/Camera> | ||
| #include <osg/FrontFace> | ||
|
|
||
| #include <osgText/Text> | ||
|
|
||
| #include <osgGA/TerrainManipulator> | ||
| #include <osgGA/FlightManipulator> | ||
| #include <osgGA/StateSetManipulator> | ||
| #include <osgViewer/ViewerEventHandlers> | ||
|
|
||
| #include <osgViewer/CompositeViewer> | ||
|
|
||
| #include <osgFX/Scribe> | ||
|
|
||
| #include <osg/io_utils> | ||
|
|
||
| class MyPager : public osgDB::DatabasePager | ||
| { | ||
| public: | ||
| virtual void updateSceneGraph(const osg::FrameStamp& frameStamp) | ||
| { | ||
| if (frameStamp.getFrameNumber() % 60 == 0) | ||
| { | ||
| osg::Timer_t start = osg::Timer::instance()->tick(); | ||
| osgDB::DatabasePager::updateSceneGraph(frameStamp); | ||
| double d = osg::Timer::instance()->delta_m(start, osg::Timer::instance()->tick()); | ||
| std::cout << "DatabasePager update took " << d << " ms. Length of active nodes = " << _activePagedLODList->size() << std::endl; | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| int main( int argc, char **argv ) | ||
| { | ||
|
|
||
| // use an ArgumentParser object to manage the program arguments. | ||
| osg::ArgumentParser arguments(&argc,argv); | ||
|
|
||
| // read the scene from the list of file specified commandline args. | ||
| osg::ref_ptr<osg::Node> scene = osgDB::readNodeFiles(arguments); | ||
|
|
||
| if (!scene) | ||
| { | ||
| scene = osgDB::readNodeFile("http://www.openscenegraph.org/data/earth_bayarea/earth.ive"); | ||
| } | ||
|
|
||
| if (!scene) | ||
| { | ||
| std::cout << argv[0] << ": requires filename argument." << std::endl; | ||
| return 1; | ||
| } | ||
|
|
||
| // construct the viewer. | ||
| osgViewer::CompositeViewer viewer(arguments); | ||
|
|
||
| if (viewer.getNumViews()==0) | ||
| { | ||
|
|
||
| osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface(); | ||
| if (!wsi) | ||
| { | ||
| osg::notify(osg::NOTICE)<<"Error, no WindowSystemInterface available, cannot create windows."<<std::endl; | ||
| return 1; | ||
| } | ||
|
|
||
| unsigned int width, height; | ||
| wsi->getScreenResolution(osg::GraphicsContext::ScreenIdentifier(0), width, height); | ||
|
|
||
| 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; | ||
|
|
||
| osg::ref_ptr<osg::GraphicsContext> gc = osg::GraphicsContext::createGraphicsContext(traits.get()); | ||
| if (gc.valid()) | ||
| { | ||
| osg::notify(osg::INFO)<<" GraphicsWindow has been created successfully."<<std::endl; | ||
|
|
||
| // need to ensure that the window is cleared make sure that the complete window is set the correct colour | ||
| // rather than just the parts of the window that are under the camera's viewports | ||
| gc->setClearColor(osg::Vec4f(0.2f,0.2f,0.6f,1.0f)); | ||
| gc->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | ||
| } | ||
| else | ||
| { | ||
| osg::notify(osg::NOTICE)<<" GraphicsWindow has not been created successfully."<<std::endl; | ||
| } | ||
|
|
||
| // view one | ||
| { | ||
| osgViewer::View* view = new osgViewer::View; | ||
| view->setName("View one"); | ||
| viewer.addView(view); | ||
|
|
||
| view->setSceneData(scene.get()); | ||
| view->getCamera()->setName("Cam one"); | ||
| view->getCamera()->setViewport(new osg::Viewport(0,0, traits->width/2, traits->height/2)); | ||
| view->getCamera()->setGraphicsContext(gc.get()); | ||
|
|
||
| // add the state manipulator | ||
| osg::ref_ptr<osgGA::StateSetManipulator> statesetManipulator = new osgGA::StateSetManipulator; | ||
| statesetManipulator->setStateSet(view->getCamera()->getOrCreateStateSet()); | ||
|
|
||
| view->setCameraManipulator(new osgGA::TerrainManipulator); | ||
| view->addEventHandler( statesetManipulator.get() ); | ||
|
|
||
| view->addEventHandler( new osgViewer::StatsHandler ); | ||
| view->addEventHandler( new osgViewer::HelpHandler ); | ||
| view->addEventHandler( new osgViewer::WindowSizeHandler ); | ||
| view->addEventHandler( new osgViewer::ThreadingHandler ); | ||
| view->addEventHandler( new osgViewer::RecordCameraPathHandler ); | ||
| } | ||
|
|
||
| // view two | ||
| { | ||
| osgViewer::View* view = new osgViewer::View; | ||
| view->setName("View two"); | ||
| viewer.addView(view); | ||
|
|
||
| view->setSceneData(scene.get()); | ||
| view->getCamera()->setName("Cam two"); | ||
| view->getCamera()->setViewport(new osg::Viewport(traits->width/2,0, traits->width/2, traits->height/2)); | ||
| view->getCamera()->setGraphicsContext(gc.get()); | ||
| view->setCameraManipulator(new osgGA::TerrainManipulator); | ||
|
|
||
| } | ||
|
|
||
| // view three | ||
| { | ||
| osgViewer::View* view = new osgViewer::View; | ||
| view->setName("View three"); | ||
| viewer.addView(view); | ||
|
|
||
| view->setSceneData(scene.get()); | ||
|
|
||
| view->getCamera()->setName("Cam three"); | ||
| view->getCamera()->setProjectionMatrixAsPerspective(30.0, double(traits->width) / double(traits->height/2), 1.0, 1000.0); | ||
| view->getCamera()->setViewport(new osg::Viewport(0, traits->height/2, traits->width, traits->height/2)); | ||
| view->getCamera()->setGraphicsContext(gc.get()); | ||
| view->setCameraManipulator(new osgGA::TerrainManipulator); | ||
|
|
||
| // attach custom database pager | ||
| view->setDatabasePager(new MyPager); | ||
| view->getDatabasePager()->setTargetMaximumNumberOfPageLOD(1); | ||
| } | ||
|
|
||
| } | ||
|
|
||
|
|
||
| while (arguments.read("-s")) { viewer.setThreadingModel(osgViewer::CompositeViewer::SingleThreaded); } | ||
| while (arguments.read("-g")) { viewer.setThreadingModel(osgViewer::CompositeViewer::CullDrawThreadPerContext); } | ||
| while (arguments.read("-c")) { viewer.setThreadingModel(osgViewer::CompositeViewer::CullThreadPerCameraDrawThreadPerContext); } | ||
|
|
||
| // run the viewer's main frame loop | ||
| return viewer.run(); | ||
| } | ||
|
|