From 19608966d0b388a4bc94d53d6a8a2b6e68bba170 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 8 Feb 2007 12:47:35 +0000
Subject: [PATCH] Added the threading model to stats

---
 include/osgViewer/StatsHandler | 25 ++++++++++++++---------
 src/osgViewer/StatsHandler.cpp | 37 ++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 10 deletions(-)

diff --git a/include/osgViewer/StatsHandler b/include/osgViewer/StatsHandler
index 21e517a78..2b6e8d467 100644
--- a/include/osgViewer/StatsHandler
+++ b/include/osgViewer/StatsHandler
@@ -58,19 +58,24 @@ class OSGVIEWER_EXPORT StatsHandler : public osgGA::GUIEventHandler
         osg::Node* createCameraStats(const std::string& font, osg::Vec3& pos, float startBlocks, bool aquireGPUStats, float characterSize, osg::Stats* viewerStats, osg::Camera* camera);
 
         void setUpScene(osgViewer::Viewer* viewer);
+        
+        void updateThreadingModelText();
 
-        int                             _keyEventTogglesOnScreenStats;
-        int                             _keyEventPrintsOutStats;
+        int                                 _keyEventTogglesOnScreenStats;
+        int                                 _keyEventPrintsOutStats;
 
-        int                             _statsType;
-        osg::ref_ptr<osg::Camera>       _camera;
-        osg::ref_ptr<osg::Switch>       _switch;
+        int                                 _statsType;
+        osg::ref_ptr<osg::Camera>           _camera;
+        osg::ref_ptr<osg::Switch>           _switch;
+        
+        osgViewer::Viewer::ThreadingModel   _threadingModel;
+        osg::ref_ptr<osgText::Text>         _threadingModelText;
 
-        unsigned int                    _frameRateChildNum;
-        unsigned int                    _viewerChildNum;
-        unsigned int                    _sceneChildNum;
-        unsigned int                    _numBlocks;
-        double                          _blockMultiplier;
+        unsigned int                        _frameRateChildNum;
+        unsigned int                        _viewerChildNum;
+        unsigned int                        _sceneChildNum;
+        unsigned int                        _numBlocks;
+        double                              _blockMultiplier;
     
 };
 
diff --git a/src/osgViewer/StatsHandler.cpp b/src/osgViewer/StatsHandler.cpp
index 554cd0ffa..9d58ab8b7 100644
--- a/src/osgViewer/StatsHandler.cpp
+++ b/src/osgViewer/StatsHandler.cpp
@@ -22,6 +22,7 @@ StatsHandler::StatsHandler():
     _keyEventTogglesOnScreenStats('s'),
     _keyEventPrintsOutStats('S'),
     _statsType(NO_STATS),
+    _threadingModel(osgViewer::Viewer::SingleThreaded),
     _frameRateChildNum(0),
     _viewerChildNum(0),
     _sceneChildNum(0),
@@ -34,6 +35,12 @@ bool StatsHandler::handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdap
 {
     osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
     if (!viewer) return false;
+    
+    if (_threadingModelText.valid() && viewer->getThreadingModel()!=_threadingModel)
+    {
+        _threadingModel = viewer->getThreadingModel();
+        updateThreadingModelText();
+    }
 
     switch(ea.getEventType())
     {
@@ -165,6 +172,18 @@ bool StatsHandler::handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdap
 
 }
 
+void StatsHandler::updateThreadingModelText()
+{
+    switch(_threadingModel)
+    {
+        case(osgViewer::Viewer::SingleThreaded): _threadingModelText->setText("ThreadingModel: SingleThreaded"); break;
+        case(osgViewer::Viewer::CullDrawThreadPerContext): _threadingModelText->setText("ThreadingModel: CullDrawThreadPerContext"); break;
+        case(osgViewer::Viewer::DrawThreadPerContext): _threadingModelText->setText("ThreadingModel: DrawThreadPerContext"); break;
+        case(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext): _threadingModelText->setText("ThreadingModel: CullThreadPerCameraDrawThreadPerContext"); break;
+        case(osgViewer::Viewer::AutomaticSelection): _threadingModelText->setText("ThreadingModel: AutomaticSelection"); break;
+    }
+}
+
 void StatsHandler::setUpHUDCamera(osgViewer::Viewer* viewer)
 {
     osgViewer::Viewer::Windows windows;
@@ -519,6 +538,24 @@ void StatsHandler::setUpScene(osgViewer::Viewer* viewer)
         osg::Geode* geode = new osg::Geode();
         group->addChild(geode);
 
+        
+        {
+            pos.x() = leftPos;
+
+            _threadingModelText = new osgText::Text;
+            geode->addDrawable( _threadingModelText.get() );
+
+            _threadingModelText->setColor(colorFR);
+            _threadingModelText->setFont(font);
+            _threadingModelText->setCharacterSize(characterSize);
+            _threadingModelText->setPosition(pos);
+
+            updateThreadingModelText();
+
+            pos.y() -= characterSize*1.5f;
+        }
+        
+
         float topOfViewerStats = pos.y() + characterSize;
 
         {