source: trunk/VUT/GtpVisibility/include/CullingManager.h @ 59

#ifndef _CullingManager_H__
#define _CullingManager_H__

#include "HierarchyInterface.h"

namespace GtpVisibility {

/** This abstract class implements an interface for a specific culling 
        algorithm. The algorithm is either used to render a scene or to make a visibility query.
*/
class CullingManager
{
public:
        /** Constructor taking a scene traverser for a specific type of hierarchy as argument. 
        */
        CullingManager(HierarchyInterface *hierarchyInterface);
        /** Renders the scene using a specific occlusion culling algorithm, e.g., coherent
                hierarchical culling or stop and wait.
        */
        virtual void RenderScene() = 0;
        /** Sets the hierarchy interface.
                @param hierarchyInterface
                @remark the hierarchy interface encapsulates the hierarchy we are working on
        */
        void SetHierarchyInterface(HierarchyInterface *hierarchyInterface);

protected:

        unsigned int mNumQueryCulledNodes;
        unsigned int mNumFrustumCulledNodes;

        unsigned int mVisibilityThreshold;
        HierarchyInterface *mHierarchyInterface;
};
} // namespace GtpVisibility
#endif // CullingManager