//=============================================================================
  // GfxStats.h by Frank Luna (C) 2005 All Rights Reserved.
  //
  // Class used for keeping track of and displaying the frames rendered
  // per second, milliseconds per frame, and vertex and triangle counts.
  //=============================================================================
  
  ifndef GFX_STATS_H
  define GFX_STATS_H
  
  include <d3dx9.h>
  
  class GfxStats
  {
  public:
          GfxStats();
          ~GfxStats();
  
          void onLostDevice();
          void onResetDevice();
  
          void addVertices(DWORD n);
          void subVertices(DWORD n);
          void addTriangles(DWORD n);
          void subTriangles(DWORD n);
  
          void setTriCount(DWORD n);
          void setVertexCount(DWORD n);
  
          void update(float dt);
          void display();
  
  private:
          // Prevent copying
          GfxStats(const GfxStats& rhs);
          GfxStats& operator=(const GfxStats& rhs);
          
  private:
          ID3DXFont* mFont;
          float mFPS;
          float mMilliSecPerFrame;
          DWORD mNumTris;
          DWORD mNumVertices;
  };
  endif // GFX_STATS_H