source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/include/OgrePlatformOcclusionQuery.h @ 1002

#ifndef _PlatformOcclusionQuery_H__
#define _PlatformOcclusionQuery_H__

#include <OgreHardwareOcclusionQuery.h>
#include <OgreRenderSystem.h>

#include "OcclusionQuery.h"

namespace Ogre {

/** This class is an implementation for occlusion queries using Ogre.
        @remark the class encapsulates Ogre occlusion query calls.
*/
class PlatformOcclusionQuery: public GtpVisibility::OcclusionQuery
{
public:
        
        PlatformOcclusionQuery(RenderSystem *rsys);

        virtual ~PlatformOcclusionQuery();

        virtual bool GetQueryResult(unsigned int &queryResult, 
                                                                const bool waitForResult) const;
        virtual void BeginQuery();
        virtual void EndQuery();

protected:
        HardwareOcclusionQuery *mHardwareOcclusionQuery;
};

} // namespace Ogre
#endif // PlatformOcclusionQuery_H