Exemple #1
0
void showNodeNames()
{
	osgViewer::ViewerBase::Scenes viewerScenes;
	osgViewer::Scene* scene;
	ShowNodeNamesVisitor snnv( true );

	viewer.getScenes(viewerScenes, true);
	for (osgViewer::ViewerBase::Scenes::iterator it = viewerScenes.begin(); it!=viewerScenes.end(); ++it)
	{
		scene = *it;
		osg::Node* node = scene->getSceneData();
		node->accept( snnv );
	}
}
Exemple #2
0
void dumpSceneToDisk()
{
	std::string filename = "dump";
	osgViewer::ViewerBase::Scenes viewerScenes;
	osgViewer::Scene* scene;

	viewer.getScenes(viewerScenes, true);
	for (osgViewer::ViewerBase::Scenes::iterator it = viewerScenes.begin(); it!=viewerScenes.end(); ++it)
	{
		scene = *it;
		osg::Node* node = scene->getSceneData();

		bool result = osgDB::writeNodeFile(*node, filename + ".osg" );

		if ( !result )
			osg::notify(osg::FATAL) << "Failed in osgDB::writeNodeFile()." << std::endl;
	}
}
Exemple #3
0
int Metrics::run(osgViewer::Viewer& viewer)
{
    if (Metrics::enabled())
    {
        if (!viewer.isRealized())
        {
            viewer.realize();
        }

        // If Metrics are enabled, enable stats on the Viewer so that it we can report them for the Metrics
        if (Metrics::enabled())
        {
            osgViewer::ViewerBase::Scenes scenes;
            viewer.getScenes(scenes);
            for (osgViewer::ViewerBase::Scenes::iterator itr = scenes.begin();
                itr != scenes.end();
                ++itr)
            {
                osgViewer::Scene* scene = *itr;
                osgDB::DatabasePager* dp = scene->getDatabasePager();
                if (dp && dp->isRunning())
                {
                    dp->resetStats();
                }
            }

            viewer.getViewerStats()->collectStats("frame_rate", true);
            viewer.getViewerStats()->collectStats("event", true);
            viewer.getViewerStats()->collectStats("update", true);

            viewer.getCamera()->getStats()->collectStats("rendering", true);
            viewer.getCamera()->getStats()->collectStats("gpu", true);
        }

        // Report memory and fps every 10 frames.
        unsigned int reportEvery = 10;

        while (!viewer.done())
        {
            {
                METRIC_SCOPED_EX("frame", 1, "number", toString<int>(viewer.getFrameStamp()->getFrameNumber()).c_str());
                {
                    METRIC_SCOPED("advance");
                    viewer.advance();
                }

                {
                    METRIC_SCOPED("event");
                    viewer.eventTraversal();
                }

                {
                    METRIC_SCOPED("update");
                    viewer.updateTraversal();
                }

                {
                    METRIC_SCOPED("render");
                    viewer.renderingTraversals();
                }

            }

            // Report memory and fps periodically. periodically.
            if (viewer.getFrameStamp()->getFrameNumber() % reportEvery == 0)
            {
                // Only report the metrics if they are enabled to avoid computing the memory.
                if (Metrics::enabled())
                {
                    Metrics::counter("Memory::WorkingSet", "WorkingSet", Memory::getProcessPhysicalUsage() / 1048576);
                    Metrics::counter("Memory::PrivateBytes", "PrivateBytes", Memory::getProcessPrivateUsage() / 1048576);
                    Metrics::counter("Memory::PeakPrivateBytes", "PeakPrivateBytes", Memory::getProcessPeakPrivateUsage() / 1048576);
                }
            }

            double eventTime = 0.0;
            if (viewer.getViewerStats()->getAttribute(viewer.getViewerStats()->getLatestFrameNumber(), "Event traversal time taken", eventTime))
            {
                Metrics::counter("Viewer::Event", "Event", eventTime * 1000.0);
            }

            double updateTime = 0.0;
            if (viewer.getViewerStats()->getAttribute(viewer.getViewerStats()->getLatestFrameNumber(), "Update traversal time taken", updateTime))
            {
                Metrics::counter("Viewer::Update", "Update", updateTime * 1000.0);
            }

            double cullTime = 0.0;
            if (viewer.getCamera()->getStats()->getAttribute(viewer.getCamera()->getStats()->getLatestFrameNumber(), "Cull traversal time taken", cullTime))
            {
                Metrics::counter("Viewer::Cull", "Cull", cullTime * 1000.0);
            }

            double drawTime = 0.0;
            if (viewer.getCamera()->getStats()->getAttribute(viewer.getCamera()->getStats()->getLatestFrameNumber(), "Draw traversal time taken", drawTime))
            {
                Metrics::counter("Viewer::Draw", "Draw", drawTime * 1000.0);
            }

            double gpuTime = 0.0;
            if (viewer.getCamera()->getStats()->getAttribute(viewer.getCamera()->getStats()->getLatestFrameNumber()-1, "GPU draw time taken", gpuTime))
            {
                Metrics::counter("Viewer::GPU", "GPU", gpuTime * 1000.0);
            }

            double frameRate = 0.0;
            if (viewer.getViewerStats()->getAttribute(viewer.getViewerStats()->getLatestFrameNumber() - 1, "Frame rate", frameRate))
            {
                Metrics::counter("Viewer::FPS", "FPS", frameRate);
            }

        }

        return 0;
    }

    else
    {
        return viewer.run();
    }
}