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25 #ifndef CCHeadsUpDisplay_h
26 #define CCHeadsUpDisplay_h
28 #if USE(ACCELERATED_COMPOSITING)
31 #include "ProgramBinding.h"
32 #include "ShaderChromium.h"
37 class GeometryBinding;
38 class GraphicsContext3D;
39 class LayerRendererChromium;
42 // Class that handles drawing of composited render layers using GL.
43 class CCHeadsUpDisplay {
44 WTF_MAKE_NONCOPYABLE(CCHeadsUpDisplay);
46 static PassOwnPtr<CCHeadsUpDisplay> create(LayerRendererChromium* owner)
48 return adoptPtr(new CCHeadsUpDisplay(owner));
53 int currentFrameNumber() const { return m_currentFrameNumber; }
55 void onFrameBegin(double timestamp);
61 typedef ProgramBinding<VertexShaderPosTex, FragmentShaderRGBATexSwizzleAlpha> Program;
64 explicit CCHeadsUpDisplay(LayerRendererChromium* owner);
65 void drawHudContents(GraphicsContext*, const IntSize& hudSize);
66 void drawFPSCounter(GraphicsContext*, int top, int height);
67 void drawPlatformLayerTree(GraphicsContext*, int top);
68 const CCSettings& settings() const;
70 int m_currentFrameNumber;
72 double m_filteredFrameTime;
74 OwnPtr<ManagedTexture> m_hudTexture;
76 LayerRendererChromium* m_layerRenderer;
78 static const int kBeginFrameHistorySize = 64;
79 double m_beginTimeHistoryInSec[kBeginFrameHistorySize];
81 OwnPtr<Font> m_smallFont;
82 OwnPtr<Font> m_mediumFont;
84 bool m_useMapSubForUploads;
89 #endif // USE(ACCELERATED_COMPOSITING)