source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/RenderQueue.h @ 2801

#ifndef __RENDERQUEUE_H
#define __RENDERQUEUE_H

#include "common.h"
#include "Timer/PerfTimer.h"


namespace CHCDemoEngine 
{

class RenderState;


/** This class implements a render queue that sorts entities according to
        their materials.
*/
class RenderQueue
{
public:

        /** Default constructor
        */
        RenderQueue();
        /** Constructor taking a render queue
        */
        RenderQueue(RenderState *state);
        /** Enqueues an entity
        */
        void Enqueue(SceneEntity *entity);
        /** Renders the contents of the render queue.
        */
        void Render();
        /** Sets the current render state
        */
        void SetRenderState(RenderState *state);
        /** Clears the render queue
        */
        void Clear();
        /** Returns the number entities currently in the queue.
        */
        inline int GetSize() const { return (int)mEntities.size(); }
        /** Renders and clears the queue.
        */
        void Apply();
        /** Prints the current state of the render queue.
        */
        void Print();

protected:

        /** Sorts the render queue by materials / textures.
        */
        void Sort();


        ///////////

        RenderState *mState;
        SceneEntityContainer mEntities;
        int mMinSizeForSorting;
};

/// measures sort time for detailed benchmarks
static PerfTimer sortTimer;


}

#endif