Ported osgGLUT based src/Demos across to being osgProducer based, and placed

them in the new examples/ directory.

examples/osgmultitexture/osgmultitexture.cpp

@@ -0,0 +1,112 @@
+#include <osgProducer/Viewer>
+
+#include <osg/Notify>
+
+#include <osg/Texture2D>
+#include <osg/TexEnv>
+#include <osg/TexGen>
+
+#include <osgDB/Registry>
+#include <osgDB/ReadFile>
+
+#include <osgGA/TrackballManipulator>
+#include <osgGA/FlightManipulator>
+#include <osgGA/DriveManipulator>
+
+#include <osgUtil/Optimizer>
+
+
+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] filename ...");
+    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;
+    }
+
+    // load the nodes from the commandline arguments.
+    osg::Node* rootnode = osgDB::readNodeFiles(arguments);
+    if (!rootnode)
+    {
+//        write_usage(osg::notify(osg::NOTICE),argv[0]);
+        return 1;
+    }
+    
+    osg::Image* image = osgDB::readImageFile("Images/reflect.rgb");
+    if (image)
+    {
+        osg::Texture2D* texture = new osg::Texture2D;
+        texture->setImage(image);
+
+        osg::TexGen* texgen = new osg::TexGen;
+        texgen->setMode(osg::TexGen::SPHERE_MAP);
+
+        osg::TexEnv* texenv = new osg::TexEnv;
+        texenv->setMode(osg::TexEnv::BLEND);
+        texenv->setColor(osg::Vec4(0.3f,0.3f,0.3f,0.3f));
+
+        osg::StateSet* stateset = new osg::StateSet;
+        stateset->setTextureAttributeAndModes(1,texture,osg::StateAttribute::ON);
+        stateset->setTextureAttributeAndModes(1,texgen,osg::StateAttribute::ON);
+        stateset->setTextureAttribute(1,texenv);
+        
+        rootnode->setStateSet(stateset);
+    }
+    else
+    {
+        osg::notify(osg::NOTICE)<<"unable to load reflect map, model will not be mutlitextured"<<std::endl;
+    }
+
+    // run optimization over the scene graph
+    osgUtil::Optimizer optimzer;
+    optimzer.optimize(rootnode);
+     
+    // add a viewport to the viewer and attach the scene graph.
+    viewer.setSceneData( rootnode );
+    
+    // create the windows and run the threads.
+    viewer.realize(Producer::CameraGroup::ThreadPerCamera);
+
+    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;
+}