Changeset 3819 for OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp

Timestamp:

02/09/05 11:39:45 (8 years ago)

Author:

robert

Message:

Added osg::BufferObject? and a made a number associated to accomodate this
new class. osg::BufferObject? wraps up OpenGL pixel and array buffer objects.
Currently implementation is work in progress.

Files:

• OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp (modified) (3 diffs)

OpenSceneGraph/trunk/examples/osgmovie/osgmovie.cpp

@@ -17 +17 @@
 #include <osgGA/TrackballManipulator>
 
+osg::ImageStream* s_imageStream = 0;
+class PostSwapFinishCallback : public Producer::Camera::Callback
+{
+public:
+
+    PostSwapFinishCallback() {}
+
+    virtual void operator()(const Producer::Camera& camera)
+    {
+        // osg::Timer_t start_tick = osg::Timer::instance()->tick();
+        
+        osgProducer::OsgSceneHandler* sh = const_cast<osgProducer::OsgSceneHandler*>(dynamic_cast<const osgProducer::OsgSceneHandler*>(camera.getSceneHandler()));
+    
+        if (s_imageStream && s_imageStream->getPixelBufferObject()) s_imageStream->getPixelBufferObject()->compileBuffer(*(sh->getSceneView()->getState()));
+        // glFinish();
+
+        //osg::notify(osg::NOTICE)<<"callback after PBO "<<osg::Timer::instance()->delta_m(start_tick,osg::Timer::instance()->tick())<<"ms"<<std::endl;
+    }
+};
+
 class MovieEventHandler : public osgGA::GUIEventHandler
 {
@@ -78 +98 @@
         inline void apply(osg::ImageStream* imagestream)
         {
-            if (imagestream) _imageStreamList.push_back(imagestream); 
+            if (imagestream)
+            {
+                _imageStreamList.push_back(imagestream); 
+                s_imageStream = imagestream;
+            }
         }
         
@@ -259 +283 @@
     }
 
+    // set up a post swap callback to flush deleted GL objects and compile new GL objects            
+    for(unsigned int cameraNum=0;cameraNum<viewer.getNumberOfCameras();++cameraNum)
+    {
+        Producer::Camera* camera=viewer.getCamera(cameraNum);
+        camera->addPostSwapCallback(new PostSwapFinishCallback());
+    }
+
     // set the scene to render
     viewer.setSceneData(geode);