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Futher work on new view dependent overlay node

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This commit is contained in:
Robert Osfield
2007-05-15 11:22:25 +00:00
parent e41cd46da8
commit dd1f6982dd
4 changed files with 111 additions and 8 deletions
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20
include/osgSim/OverlayNode
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@@ -19,6 +19,8 @@
#include <osg/Texture2D>
#include <osg/TexGenNode>
#include <osgUtil/CullVisitor>
#include <osgSim/Export>
namespace osgSim {
@@ -153,6 +155,24 @@ class OSGSIM_EXPORT OverlayNode : public osg::Group
bool _continuousUpdate;
bool _updateCamera;
osg::Polytope _textureFrustum;
private:
struct OverlayData
{
osg::ref_ptr<osg::Camera> _camera;
osg::ref_ptr<osg::StateSet> _overlayStateSet;
osg::ref_ptr<osg::StateSet> _mainSubgraphStateSet;
osg::ref_ptr<osg::TexGen> _texgen;
};
typedef std::map<osgUtil::CullVisitor*, OverlayData> OverlayDataMap;
OpenThreads::Mutex _overlayDataMapMutex;
OverlayDataMap _overlayDataMap;
OverlayData& getOverlayData(osgUtil::CullVisitor* cv);
};
}