It's osgSim::Impostor, not osg::Impostor.I am sorry.
  

 

 ------------------ Original ------------------
  From:  "ttaw";<wattha...@qq.com>;
 Date:  Tue, Mar 4, 2014 08:17 PM
 To:  "osg-users"<osg-users@lists.openscenegraph.org>; 
 
 Subject:  perhaps a bug in osg::impostor

 

 hello, everyone.
     I am an osg learner in China.Recently, whenI read the source code of 
osg::Impostorclass, something about multi-threading confused me alot.That is, 
in the  case of CULL_VISITOR ofosg::Impostor::traverse,  no mutex is used to 
protect thefunction createImpostorSprite which changes the sprite list.Doesn't 
it result in a potential crash when multi-camerasare active and 
CullThreadPerCameraDrawThreadPerContext modelis used?
     Any discussion is welcome.Thanks.
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