Ported osgstereoimage to use osgProducer, added it to the examples directory.

Added a osgProducer::CameraGroup::getSceneHanderList() methods.

Make/makedirdefs

@@ -77,9 +77,10 @@ PLUGIN_DIRS += tiff
 
 EXAMPLE_DIRS = \
 	osgcameragroup\
+	osgviewer\
 	osgconv\
 	osgtext\
-	osgviewer\
+	osgstereoimage\
 
 
 ################################################################

examples/osgstereoimage/Makefile.inst

@@ -0,0 +1,15 @@
+TOPDIR = ../..
+include $(TOPDIR)/Make/makedefs
+
+CXXFILES =\
+	osgstereoimage.cpp\
+
+LIBS     += -losgProducer -lProducer $(OSG_LIBS) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS) 
+
+EXEC = osgstereoimage
+
+CXXFLAGS += $(PRODUCER_INCLUDE_DIR)
+LDFLAGS  += $(PRODUCER_LIB_DIR)
+
+
+include $(TOPDIR)/Make/makerules

examples/osgstereoimage/osgstereoimage.cpp

@@ -0,0 +1,146 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#include <osgDB/ReadFile>
+#include <osgUtil/Optimizer>
+#include <osgProducer/Viewer>
+
+
+
+#include <osg/Node>
+#include <osg/Notify>
+#include <osg/MatrixTransform>
+
+#include <osgGA/TrackballManipulator>
+#include <osgGA/FlightManipulator>
+#include <osgGA/DriveManipulator>
+
+#include <osgDB/Registry>
+#include <osgDB/ReadFile>
+
+#include <osgGLUT/glut>
+#include <osgGLUT/Viewer>
+
+
+int main( int argc, char **argv )
+{
+
+    // use an ArgumentParser object to manage the program arguments.
+    osg::ArgumentParser arguments(&argc,argv);
+    
+    // set up the usage document, in case we need to print out how to use this program.
+    arguments.getApplicationUsage()->setCommandLineUsage(arguments.getProgramName()+" [options] image_file_left_eye image_file_right_eye");
+    arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
+    
+
+    // construct the viewer.
+    osgProducer::Viewer viewer(arguments);
+
+    // set up the value with sensible default event handlers.
+    viewer.setUpViewer(osgProducer::Viewer::STANDARD_SETTINGS);
+
+    // get details on keyboard and mouse bindings used by the viewer.
+    viewer.getUsage(*arguments.getApplicationUsage());
+
+    // if user request help write it out to cout.
+    if (arguments.read("-h") || arguments.read("--help"))
+    {
+        arguments.getApplicationUsage()->write(std::cout);
+        return 1;
+    }
+
+    // any option left unread are converted into errors to write out later.
+    arguments.reportRemainingOptionsAsUnrecognized();
+
+    // report any errors if they have occured when parsing the program aguments.
+    if (arguments.errors())
+    {
+        arguments.writeErrorMessages(std::cout);
+        return 1;
+    }
+
+    // extract the filenames from the arguments list.
+    std::string fileLeft,fileRight;
+    for(int pos=1;pos<arguments.argc();++pos)
+    {
+        if (arguments.isString(pos))
+        {
+            if (fileLeft.empty()) fileLeft = arguments[pos];
+            else if (fileRight.empty()) fileRight = arguments[pos];
+        }
+    }
+
+
+    if (fileLeft.empty() || fileRight.empty())
+    {
+        std::cout << arguments.getProgramName() <<": Please specify two image files required for stereo imaging."<<std::endl;
+        return 1;
+    }
+    
+    osg::Image* imageLeft = osgDB::readImageFile(fileLeft);
+    osg::Image* imageRight = osgDB::readImageFile(fileRight);
+    
+    if (!imageLeft || !imageRight)
+    {    
+        std::cout << arguments.getProgramName() <<": Unable to load two image files required for stereo imaging."<<std::endl;
+        return 1;
+    }
+    
+    float average_s = (imageLeft->s()+imageRight->s())*0.5f;
+    float average_t = (imageLeft->t()+imageRight->t())*0.5f;
+
+    osg::Geode* geodeLeft = osg::createGeodeForImage(imageLeft,average_s,average_t);
+    geodeLeft->setNodeMask(0x01);
+
+    osg::Geode* geodeRight = osg::createGeodeForImage(imageRight,average_s,average_t);
+    geodeRight->setNodeMask(0x02);
+
+    osg::ref_ptr<osg::Group> rootNode = new osg::Group;
+    rootNode->addChild(geodeLeft);
+    rootNode->addChild(geodeRight);
+
+    // set the scene to render
+    viewer.setSceneData(rootNode.get());
+
+    // create the windows and run the threads.
+    viewer.realize(Producer::CameraGroup::ThreadPerCamera);
+
+    // set all the sceneview's up so that their left and right add cull masks are set up.
+    for(osgProducer::CameraGroup::SceneHandlerList::iterator itr=viewer.getSceneHandlerList().begin();
+        itr!=viewer.getSceneHandlerList().end();
+        ++itr)
+    {
+        osgUtil::SceneView* sceneview = *itr;
+        sceneview->setCullMask(0xffffffff);
+        sceneview->setCullMaskLeft(0x00000001);
+        sceneview->setCullMaskRight(0x00000002);
+    }
+
+
+    while( !viewer.done() )
+    {
+        // wait for all cull and draw threads to complete.
+        viewer.sync();
+
+        // update the scene by traversing it with the the update visitor which will
+        // call all node update callbacks and animations.
+        viewer.update();
+         
+        // fire off the cull and draw traversals of the scene.
+        viewer.frame();
+        
+    }
+    
+    return 0;
+}
+

include/osgProducer/CameraGroup

@@ -31,8 +31,6 @@ class OSGPRODUCER_EXPORT CameraGroup : public Producer::CameraGroup
 {
     public :
 
-        typedef std::vector <osgProducer::SceneHandler *> SceneHandlerList;
-
         CameraGroup();
 
         CameraGroup(Producer::CameraConfig *cfg);
@@ -44,6 +42,13 @@ class OSGPRODUCER_EXPORT CameraGroup : public Producer::CameraGroup
         virtual ~CameraGroup() {}
 
 
+        typedef std::vector <osgProducer::SceneHandler *> SceneHandlerList;
+
+
+        SceneHandlerList& getSceneHandlerList() { return _shvec;}
+
+        const SceneHandlerList& getSceneHandlerList() const { return _shvec;}
+
 
         void setSceneData( osg::Node *scene );