Added viewer.cleanup_frame() to all examples.

examples/osganimate/osganimate.cpp

@@ -279,7 +279,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgautotransform/osgautotransform.cpp

@@ -214,7 +214,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgbillboard/osgbillboard.cpp

@@ -221,7 +221,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgblendequation/osgblendequation.cpp

@@ -203,7 +203,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgcallback/osgcallback.cpp

@@ -199,7 +199,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgcatch/osgcatch.cpp

@@ -1479,6 +1479,9 @@ int main( int argc, char **argv )
         
     }
 
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
     // run a clean up frame to delete all OpenGL objects.
     viewer.cleanup_frame();
 

examples/osgclip/osgclip.cpp

@@ -171,7 +171,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgcluster/osgcluster.cpp

@@ -577,7 +577,13 @@ int main( int argc, char **argv )
         
     }
 
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     // if we are master clean up by telling all slaves that we're going down.

examples/osgcopy/osgcopy.cpp

@@ -248,7 +248,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgcubemap/osgcubemap.cpp

@@ -160,7 +160,13 @@ int main(int argc, char *argv[])
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgdelaunay/osgdelaunay.cpp

@@ -1374,7 +1374,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgdepthshadow/osgdepthshadow.cpp

@@ -493,7 +493,13 @@ int main(int argc, char** argv)
       viewer.frame();
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgdistortion/osgdistortion.cpp

@@ -243,7 +243,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgforest/osgforest.cpp

@@ -1132,7 +1132,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgfxbrowser/osgfxbrowser.cpp

@@ -375,7 +375,13 @@ int main(int argc, char *argv[])
 
     }
 
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osggeodemo/osggeodemo.cpp

@@ -188,7 +188,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osggeometry/osggeometry.cpp

@@ -706,7 +706,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osghud/osghud.cpp

@@ -236,7 +236,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgimpostor/osgimpostor.cpp

@@ -339,6 +339,11 @@ int main( int argc, char **argv )
     // wait for all cull and draw threads to complete.
     viewer.sync();
 
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
+    viewer.sync();
 
     return 0;
 }

examples/osgkeyboard/osgkeyboard.cpp

@@ -442,7 +442,13 @@ int main( int argc, char **argv )
         
     }
    
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osglauncher/osglauncher.cpp

@@ -442,7 +442,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osglight/osglight.cpp

@@ -372,10 +372,16 @@ int main( int argc, char **argv )
         // fire off the cull and draw traversals of the scene.
         viewer.frame();
         
-        // wait for all cull and draw threads to complete before exit.
+    }
+
+    // wait for all cull and draw threads to complete.
     viewer.sync();
 
-    }
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
+    viewer.sync();
 
     return 0;
 }

examples/osglightpoint/osglightpoint.cpp

@@ -259,7 +259,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osglogicop/osglogicop.cpp

@@ -213,7 +213,13 @@ int main( int argc, char **argv )
         viewer.frame();
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osglogo/osglogo.cpp

@@ -506,7 +506,13 @@ arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationNam
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgmotionblur/osgmotionblur.cpp

@@ -162,7 +162,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgmovie/osgmovie.cpp

@@ -484,7 +484,13 @@ int main(int argc, char** argv)
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgmultiplecameras/osgmultiplecameras.cpp

@@ -133,7 +133,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgmultitexture/osgmultitexture.cpp

@@ -130,7 +130,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgoccluder/osgoccluder.cpp

@@ -369,6 +369,13 @@ int main( int argc, char **argv )
         
     }
 
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgparametric/osgparametric.cpp

@@ -299,7 +299,13 @@ int main(int argc, char *argv[])
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgparticle/osgparticle.cpp

@@ -402,7 +402,13 @@ int main(int argc, char **argv)
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgparticleeffects/osgparticleeffects.cpp

@@ -495,7 +495,13 @@ int main(int argc, char **argv)
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgphotoalbum/osgphotoalbum.cpp

@@ -797,7 +797,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgpick/osgpick.cpp

@@ -279,7 +279,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgplanets/osgplanets.cpp

@@ -967,7 +967,13 @@ int main( int argc, char **argv )
     }
     
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgpoints/osgpoints.cpp

@@ -255,7 +255,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgpointsprite/osgpointsprite.cpp

@@ -93,6 +93,15 @@ int main(int, char *[])
         viewer.frame();
     }
 
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
+    viewer.sync();
+
     return(0);
 }
 

examples/osgprecipitation/osgprecipitation.cpp

@@ -187,7 +187,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgprerender/osgprerender.cpp

@@ -477,7 +477,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgprerendercubemap/osgprerendercubemap.cpp

@@ -354,7 +354,13 @@ int main(int argc, char** argv)
       viewer.frame();
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgreflect/osgreflect.cpp

@@ -409,7 +409,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgscalarbar/osgscalarbar.cpp

@@ -175,7 +175,13 @@ int main( int argc, char **argv )
         viewer.frame();
     }
 
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgscribe/osgscribe.cpp

@@ -144,7 +144,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgsequence/osgsequence.cpp

@@ -285,7 +285,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgshaders/osgshaders.cpp

@@ -108,6 +108,14 @@ int main( int argc, char **argv )
         viewer.update();
         viewer.frame();
     }
+    
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     return 0;
 }

examples/osgshaderterrain/osgshaderterrain.cpp

@@ -846,7 +846,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgshadowtexture/osgshadowtexture.cpp

@@ -232,7 +232,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgshape/osgshape.cpp

@@ -154,7 +154,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgsimplifier/osgsimplifier.cpp

@@ -183,7 +183,13 @@ int main( int argc, char **argv )
         }
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgsimulation/osgsimulation.cpp

@@ -410,7 +410,13 @@ int main(int argc, char **argv)
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgspacewarp/osgspacewarp.cpp

@@ -187,7 +187,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgspheresegment/osgspheresegment.cpp

@@ -672,7 +672,13 @@ int main(int argc, char **argv)
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgspotlight/osgspotlight.cpp

@@ -329,7 +329,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgstereoimage/osgstereoimage.cpp

@@ -538,7 +538,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgteapot/osgteapot.cpp

@@ -369,7 +369,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgtext/osgtext.cpp

@@ -554,7 +554,13 @@ int main( int argc, char **argv )
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgtexture1D/osgtexture1D.cpp

@@ -218,7 +218,13 @@ int main( int argc, char **argv )
 
         }
     
-        // wait for all cull and draw threads to complete before exit.
+        // wait for all cull and draw threads to complete.
+        viewer.sync();
+
+        // run a clean up frame to delete all OpenGL objects.
+        viewer.cleanup_frame();
+
+        // wait for all the clean up frame to complete.
         viewer.sync();
     }
     else

examples/osgtexture2D/osgtexture2D.cpp

@@ -740,7 +740,13 @@ int main( int argc, char **argv )
 
     }
 
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     

examples/osgtexture3D/osgtexture3D.cpp

@@ -288,8 +288,13 @@ int main( int argc, char **argv )
 
         }
         
+        // wait for all cull and draw threads to complete.
+        viewer.sync();
 
-        // wait for all cull and draw threads to complete before exit.
+        // run a clean up frame to delete all OpenGL objects.
+        viewer.cleanup_frame();
+
+        // wait for all the clean up frame to complete.
         viewer.sync();
     }    
     

examples/osgtexturerectangle/osgtexturerectangle.cpp

@@ -294,7 +294,13 @@ int main(int argc, char** argv)
         viewer.frame();
     }
 
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
     
     return 0;

examples/osgvertexprogram/osgvertexprogram.cpp

@@ -435,7 +435,13 @@ int main(int argc, char *argv[])
         
     }
     
-    // wait for all cull and draw threads to complete before exit.
+    // wait for all cull and draw threads to complete.
+    viewer.sync();
+
+    // run a clean up frame to delete all OpenGL objects.
+    viewer.cleanup_frame();
+
+    // wait for all the clean up frame to complete.
     viewer.sync();
 
     return 0;

examples/osgvolume/osgvolume.cpp

@@ -1658,8 +1658,13 @@ int main( int argc, char **argv )
 
         }
         
+        // wait for all cull and draw threads to complete.
+        viewer.sync();
 
-        // wait for all cull and draw threads to complete before exit.
+        // run a clean up frame to delete all OpenGL objects.
+        viewer.cleanup_frame();
+
+        // wait for all the clean up frame to complete.
         viewer.sync();
     }