2 * Copyright (C) 2009 Apple Inc. All rights reserved.
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26 #ifndef WKCACFLayerRenderer_h
27 #define WKCACFLayerRenderer_h
29 #if USE(ACCELERATED_COMPOSITING)
34 #include <wtf/HashSet.h>
35 #include <wtf/Noncopyable.h>
36 #include <wtf/PassOwnPtr.h>
37 #include <wtf/PassRefPtr.h>
38 #include <wtf/RefPtr.h>
39 #include <wtf/RetainPtr.h>
40 #include <wtf/Vector.h>
42 #include <CoreGraphics/CGGeometry.h>
44 interface IDirect3DDevice9;
47 typedef struct CGImage* CGImageRef;
51 class PlatformCALayer;
53 class WKCACFLayerRendererClient {
55 virtual ~WKCACFLayerRendererClient() { }
56 virtual bool shouldRender() const = 0;
57 virtual void syncCompositingState() { }
60 // FIXME: Currently there is a WKCACFLayerRenderer for each WebView and each
61 // has its own CARenderOGLContext and Direct3DDevice9, which is inefficient.
62 // (https://bugs.webkit.org/show_bug.cgi?id=31855)
63 class WKCACFLayerRenderer : public Noncopyable {
64 friend PlatformCALayer;
67 static PassOwnPtr<WKCACFLayerRenderer> create(WKCACFLayerRendererClient*);
68 ~WKCACFLayerRenderer();
70 static bool acceleratedCompositingAvailable();
72 void setRootChildLayer(PlatformCALayer*);
73 void layerTreeDidChange();
74 void setHostWindow(HWND);
77 void syncCompositingStateSoon();
80 PlatformCALayer* rootLayer() const;
81 void addPendingAnimatedLayer(PassRefPtr<PlatformCALayer>);
84 WKCACFLayerRenderer(WKCACFLayerRendererClient*);
86 bool createRenderer();
87 void destroyRenderer();
89 void renderTimerFired(Timer<WKCACFLayerRenderer>*);
91 CGRect bounds() const;
93 void initD3DGeometry();
95 // Call this when the device window has changed size or when IDirect3DDevice9::Present returns
96 // D3DERR_DEVICELOST. Returns true if the device was recovered, false if rendering must be
97 // aborted and reattempted soon.
98 enum ResetReason { ChangedWindowSize, LostDevice };
99 bool resetDevice(ResetReason);
101 void render(const Vector<CGRect>& dirtyRects = Vector<CGRect>());
103 WKCACFLayerRendererClient* m_client;
104 bool m_mightBeAbleToCreateDeviceLater;
105 COMPtr<IDirect3DDevice9> m_d3dDevice;
106 RefPtr<PlatformCALayer> m_rootLayer;
107 RefPtr<PlatformCALayer> m_rootChildLayer;
108 WKCACFContext* m_context;
110 Timer<WKCACFLayerRenderer> m_renderTimer;
111 bool m_mustResetLostDeviceBeforeRendering;
112 bool m_syncLayerChanges;
113 HashSet<RefPtr<PlatformCALayer> > m_pendingAnimatedLayers;
122 #endif // USE(ACCELERATED_COMPOSITING)
124 #endif // WKCACFLayerRenderer_h