mirror of
https://github.com/OpenMW/openmw.git
synced 2025-10-26 08:56:37 +00:00
551 lines
18 KiB
C++
551 lines
18 KiB
C++
#include "stats.hpp"
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#include <algorithm>
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#include <iomanip>
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#include <sstream>
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#include <osg/PolygonMode>
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#include <osgText/Font>
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#include <osgText/Text>
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#include <osgDB/Registry>
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#include <osgViewer/Renderer>
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#include <osgViewer/Viewer>
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#include <components/myguiplatform/myguidatamanager.hpp>
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#include <components/vfs/manager.hpp>
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namespace Resource
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{
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static bool collectStatRendering = false;
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static bool collectStatCameraObjects = false;
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static bool collectStatViewerObjects = false;
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static bool collectStatResource = false;
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static bool collectStatGPU = false;
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static bool collectStatEvent = false;
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static bool collectStatFrameRate = false;
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static bool collectStatUpdate = false;
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static bool collectStatEngine = false;
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constexpr std::string_view sFontName = "Fonts/DejaVuLGCSansMono.ttf";
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static void setupStatCollection()
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{
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const char* envList = getenv("OPENMW_OSG_STATS_LIST");
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if (envList == nullptr)
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return;
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std::string_view kwList(envList);
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auto kwBegin = kwList.begin();
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while (kwBegin != kwList.end())
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{
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auto kwEnd = std::find(kwBegin, kwList.end(), ';');
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const auto kw = kwList.substr(std::distance(kwList.begin(), kwBegin), std::distance(kwBegin, kwEnd));
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if (kw.compare("gpu") == 0)
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collectStatGPU = true;
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else if (kw.compare("event") == 0)
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collectStatEvent = true;
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else if (kw.compare("frame_rate") == 0)
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collectStatFrameRate = true;
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else if (kw.compare("update") == 0)
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collectStatUpdate = true;
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else if (kw.compare("engine") == 0)
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collectStatEngine = true;
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else if (kw.compare("rendering") == 0)
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collectStatRendering = true;
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else if (kw.compare("cameraobjects") == 0)
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collectStatCameraObjects = true;
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else if (kw.compare("viewerobjects") == 0)
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collectStatViewerObjects = true;
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else if (kw.compare("resource") == 0)
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collectStatResource = true;
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else if (kw.compare("times") == 0)
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{
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collectStatGPU = true;
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collectStatEvent = true;
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collectStatFrameRate = true;
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collectStatUpdate = true;
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collectStatEngine = true;
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collectStatRendering = true;
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}
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if (kwEnd == kwList.end())
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break;
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kwBegin = std::next(kwEnd);
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}
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}
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class SetFontVisitor : public osg::NodeVisitor
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{
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public:
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SetFontVisitor(osgText::Font* font)
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: osg::NodeVisitor(TRAVERSE_ALL_CHILDREN)
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, mFont(font)
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{
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}
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void apply(osg::Drawable& node) override
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{
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if (osgText::Text* text = dynamic_cast<osgText::Text*>(&node))
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{
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text->setFont(mFont);
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}
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}
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private:
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osgText::Font* mFont;
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};
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osg::ref_ptr<osgText::Font> getMonoFont(VFS::Manager* vfs)
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{
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if (osgDB::Registry::instance()->getReaderWriterForExtension("ttf") && vfs->exists(sFontName))
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{
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Files::IStreamPtr streamPtr = vfs->get(sFontName);
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return osgText::readRefFontStream(*streamPtr.get());
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}
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return nullptr;
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}
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StatsHandler::StatsHandler(bool offlineCollect, VFS::Manager* vfs)
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: _key(osgGA::GUIEventAdapter::KEY_F4)
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, _initialized(false)
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, _statsType(false)
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, _offlineCollect(offlineCollect)
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, _statsWidth(1280.0f)
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, _statsHeight(1024.0f)
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, _characterSize(18.0f)
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{
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_camera = new osg::Camera;
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_camera->getOrCreateStateSet()->setGlobalDefaults();
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_camera->setRenderer(new osgViewer::Renderer(_camera.get()));
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_camera->setProjectionResizePolicy(osg::Camera::FIXED);
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_resourceStatsChildNum = 0;
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_textFont = getMonoFont(vfs);
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}
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Profiler::Profiler(bool offlineCollect, VFS::Manager* vfs)
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: _offlineCollect(offlineCollect)
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, _initFonts(false)
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{
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_characterSize = 18;
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_font.clear();
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_textFont = getMonoFont(vfs);
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setKeyEventTogglesOnScreenStats(osgGA::GUIEventAdapter::KEY_F3);
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setupStatCollection();
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}
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void Profiler::setUpFonts()
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{
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if (_textFont != nullptr)
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{
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SetFontVisitor visitor(_textFont);
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_switch->accept(visitor);
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}
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_initFonts = true;
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}
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bool Profiler::handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
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{
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osgViewer::ViewerBase* viewer = nullptr;
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bool handled = StatsHandler::handle(ea, aa);
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if (_initialized && !_initFonts)
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setUpFonts();
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auto* view = dynamic_cast<osgViewer::View*>(&aa);
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if (view)
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viewer = view->getViewerBase();
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if (viewer)
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{
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// Add/remove openmw stats to the osd as necessary
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viewer->getViewerStats()->collectStats("engine", _statsType >= StatsHandler::StatsType::VIEWER_STATS);
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if (_offlineCollect)
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CollectStatistics(viewer);
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}
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return handled;
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}
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bool StatsHandler::handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
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{
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if (ea.getHandled())
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return false;
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switch (ea.getEventType())
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{
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case (osgGA::GUIEventAdapter::KEYDOWN):
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{
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if (ea.getKey() == _key)
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{
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osgViewer::View* myview = dynamic_cast<osgViewer::View*>(&aa);
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if (!myview)
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return false;
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osgViewer::ViewerBase* viewer = myview->getViewerBase();
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toggle(viewer);
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if (_offlineCollect)
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CollectStatistics(viewer);
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aa.requestRedraw();
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return true;
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}
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break;
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}
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case osgGA::GUIEventAdapter::RESIZE:
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{
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setWindowSize(ea.getWindowWidth(), ea.getWindowHeight());
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break;
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}
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default:
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break;
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}
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return false;
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}
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void StatsHandler::setWindowSize(int width, int height)
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{
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if (width <= 0 || height <= 0)
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return;
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_camera->setViewport(0, 0, width, height);
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if (fabs(height * _statsWidth) <= fabs(width * _statsHeight))
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{
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_camera->setProjectionMatrix(
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osg::Matrix::ortho2D(_statsWidth - width * _statsHeight / height, _statsWidth, 0.0, _statsHeight));
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}
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else
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{
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_camera->setProjectionMatrix(
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osg::Matrix::ortho2D(0.0, _statsWidth, _statsHeight - height * _statsWidth / width, _statsHeight));
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}
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}
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void StatsHandler::toggle(osgViewer::ViewerBase* viewer)
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{
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if (!_initialized)
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{
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setUpHUDCamera(viewer);
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setUpScene(viewer);
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}
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_statsType = !_statsType;
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if (!_statsType)
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{
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_camera->setNodeMask(0);
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_switch->setAllChildrenOff();
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viewer->getViewerStats()->collectStats("resource", false);
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}
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else
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{
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_camera->setNodeMask(0xffffffff);
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_switch->setSingleChildOn(_resourceStatsChildNum);
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viewer->getViewerStats()->collectStats("resource", true);
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}
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}
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void StatsHandler::setUpHUDCamera(osgViewer::ViewerBase* viewer)
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{
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// Try GraphicsWindow first so we're likely to get the main viewer window
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osg::GraphicsContext* context = dynamic_cast<osgViewer::GraphicsWindow*>(_camera->getGraphicsContext());
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if (!context)
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{
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osgViewer::Viewer::Windows windows;
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viewer->getWindows(windows);
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if (!windows.empty())
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context = windows.front();
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else
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{
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// No GraphicsWindows were found, so let's try to find a GraphicsContext
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context = _camera->getGraphicsContext();
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if (!context)
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{
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osgViewer::Viewer::Contexts contexts;
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viewer->getContexts(contexts);
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if (contexts.empty())
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return;
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context = contexts.front();
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}
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}
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}
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_camera->setGraphicsContext(context);
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_camera->setRenderOrder(osg::Camera::POST_RENDER, 11);
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_camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
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_camera->setViewMatrix(osg::Matrix::identity());
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setWindowSize(context->getTraits()->width, context->getTraits()->height);
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// only clear the depth buffer
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_camera->setClearMask(0);
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_camera->setAllowEventFocus(false);
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_camera->setRenderer(new osgViewer::Renderer(_camera.get()));
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_initialized = true;
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}
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osg::Geometry* createBackgroundRectangle(
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const osg::Vec3& pos, const float width, const float height, osg::Vec4& color)
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{
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osg::StateSet* ss = new osg::StateSet;
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osg::Geometry* geometry = new osg::Geometry;
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geometry->setUseDisplayList(false);
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geometry->setStateSet(ss);
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osg::Vec3Array* vertices = new osg::Vec3Array;
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geometry->setVertexArray(vertices);
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vertices->push_back(osg::Vec3(pos.x(), pos.y(), 0));
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vertices->push_back(osg::Vec3(pos.x(), pos.y() - height, 0));
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vertices->push_back(osg::Vec3(pos.x() + width, pos.y() - height, 0));
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vertices->push_back(osg::Vec3(pos.x() + width, pos.y(), 0));
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osg::Vec4Array* colors = new osg::Vec4Array;
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colors->push_back(color);
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geometry->setColorArray(colors, osg::Array::BIND_OVERALL);
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osg::DrawElementsUShort* base = new osg::DrawElementsUShort(osg::PrimitiveSet::TRIANGLE_FAN, 0);
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base->push_back(0);
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base->push_back(1);
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base->push_back(2);
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base->push_back(3);
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geometry->addPrimitiveSet(base);
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return geometry;
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}
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class ResourceStatsTextDrawCallback : public osg::Drawable::DrawCallback
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{
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public:
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ResourceStatsTextDrawCallback(osg::Stats* stats, const std::vector<std::string>& statNames)
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: mStats(stats)
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, mStatNames(statNames)
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{
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}
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void drawImplementation(osg::RenderInfo& renderInfo, const osg::Drawable* drawable) const override
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{
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if (!mStats)
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return;
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osgText::Text* text = (osgText::Text*)(drawable);
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std::ostringstream viewStr;
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viewStr.setf(std::ios::left, std::ios::adjustfield);
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viewStr.width(14);
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// Used fixed formatting, as scientific will switch to "...e+.." notation for
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// large numbers of vertices/drawables/etc.
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viewStr.setf(std::ios::fixed);
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viewStr.precision(0);
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unsigned int frameNumber = renderInfo.getState()->getFrameStamp()->getFrameNumber() - 1;
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for (const auto& statName : mStatNames.get())
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{
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if (statName.empty())
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viewStr << std::endl;
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else
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{
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double value = 0.0;
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if (mStats->getAttribute(frameNumber, statName, value))
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viewStr << std::setw(8) << value << std::endl;
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else
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viewStr << std::setw(8) << "." << std::endl;
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}
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}
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text->setText(viewStr.str());
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text->drawImplementation(renderInfo);
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}
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osg::ref_ptr<osg::Stats> mStats;
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std::reference_wrapper<const std::vector<std::string>> mStatNames;
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};
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void StatsHandler::setUpScene(osgViewer::ViewerBase* viewer)
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{
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_switch = new osg::Switch;
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_camera->addChild(_switch);
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osg::StateSet* stateset = _switch->getOrCreateStateSet();
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stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
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stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
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stateset->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
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#ifdef OSG_GL1_AVAILABLE
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stateset->setAttribute(new osg::PolygonMode(), osg::StateAttribute::PROTECTED);
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#endif
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osg::Vec4 backgroundColor(0.0, 0.0, 0.0f, 0.3);
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osg::Vec4 staticTextColor(1.0, 1.0, 0.0f, 1.0);
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osg::Vec4 dynamicTextColor(1.0, 1.0, 1.0f, 1.0);
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float backgroundMargin = 5;
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float backgroundSpacing = 3;
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// resource stats
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{
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osg::Group* group = new osg::Group;
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group->setCullingActive(false);
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_resourceStatsChildNum = _switch->getNumChildren();
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_switch->addChild(group, false);
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static const std::vector<std::string> statNames({
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"FrameNumber",
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"",
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"Compiling",
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"WorkQueue",
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"WorkThread",
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"UnrefQueue",
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"",
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"Texture",
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"StateSet",
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"Node",
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"Shape",
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"Shape Instance",
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"Image",
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"Nif",
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"Keyframe",
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"",
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"Groundcover Chunk",
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"Object Chunk",
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"Terrain Chunk",
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"Terrain Texture",
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"Land",
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"Composite",
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"",
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"NavMesh Jobs",
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"NavMesh Waiting",
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"NavMesh Pushed",
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"NavMesh Processing",
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"NavMesh DbJobs Write",
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"NavMesh DbJobs Read",
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"NavMesh DbCacheHitRate",
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"NavMesh CacheSize",
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"NavMesh UsedTiles",
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"NavMesh CachedTiles",
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"NavMesh CacheHitRate",
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"",
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"Mechanics Actors",
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"Mechanics Objects",
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"",
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"Physics Actors",
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"Physics Objects",
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"Physics Projectiles",
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"Physics HeightFields",
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});
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static const auto longest = std::max_element(statNames.begin(), statNames.end(),
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[](const std::string& lhs, const std::string& rhs) { return lhs.size() < rhs.size(); });
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const float statNamesWidth = 13 * _characterSize + 2 * backgroundMargin;
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const float statTextWidth = 7 * _characterSize + 2 * backgroundMargin;
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const float statHeight = statNames.size() * _characterSize + 2 * backgroundMargin;
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osg::Vec3 pos(_statsWidth - statNamesWidth - backgroundSpacing - statTextWidth, statHeight, 0.0f);
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group->addChild(
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createBackgroundRectangle(pos + osg::Vec3(-backgroundMargin, _characterSize + backgroundMargin, 0),
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statNamesWidth, statHeight, backgroundColor));
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osg::ref_ptr<osgText::Text> staticText = new osgText::Text;
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group->addChild(staticText.get());
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staticText->setColor(staticTextColor);
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staticText->setCharacterSize(_characterSize);
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staticText->setPosition(pos);
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std::ostringstream viewStr;
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viewStr.clear();
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viewStr.setf(std::ios::left, std::ios::adjustfield);
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viewStr.width(longest->size());
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for (const auto& statName : statNames)
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{
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viewStr << statName << std::endl;
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}
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staticText->setText(viewStr.str());
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pos.x() += statNamesWidth + backgroundSpacing;
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group->addChild(
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createBackgroundRectangle(pos + osg::Vec3(-backgroundMargin, _characterSize + backgroundMargin, 0),
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statTextWidth, statHeight, backgroundColor));
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osg::ref_ptr<osgText::Text> statsText = new osgText::Text;
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group->addChild(statsText.get());
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statsText->setColor(dynamicTextColor);
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statsText->setCharacterSize(_characterSize);
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statsText->setPosition(pos);
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statsText->setText("");
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statsText->setDrawCallback(new ResourceStatsTextDrawCallback(viewer->getViewerStats(), statNames));
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if (_textFont)
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{
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staticText->setFont(_textFont);
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statsText->setFont(_textFont);
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}
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}
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}
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void StatsHandler::getUsage(osg::ApplicationUsage& usage) const
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{
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usage.addKeyboardMouseBinding(_key, "On screen resource usage stats.");
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}
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void CollectStatistics(osgViewer::ViewerBase* viewer)
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{
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osgViewer::Viewer::Cameras cameras;
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viewer->getCameras(cameras);
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for (auto* camera : cameras)
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{
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if (collectStatGPU)
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camera->getStats()->collectStats("gpu", true);
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if (collectStatRendering)
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camera->getStats()->collectStats("rendering", true);
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if (collectStatCameraObjects)
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camera->getStats()->collectStats("scene", true);
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}
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if (collectStatEvent)
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viewer->getViewerStats()->collectStats("event", true);
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if (collectStatFrameRate)
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viewer->getViewerStats()->collectStats("frame_rate", true);
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if (collectStatUpdate)
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viewer->getViewerStats()->collectStats("update", true);
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if (collectStatResource)
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viewer->getViewerStats()->collectStats("resource", true);
|
|
if (collectStatViewerObjects)
|
|
viewer->getViewerStats()->collectStats("scene", true);
|
|
if (collectStatEngine)
|
|
viewer->getViewerStats()->collectStats("engine", true);
|
|
}
|
|
|
|
}
|