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 animationsStarted(CFTimeInterval) { }
58 virtual void syncCompositingState() { }
61 // FIXME: Currently there is a WKCACFLayerRenderer for each WebView and each
62 // has its own CARenderOGLContext and Direct3DDevice9, which is inefficient.
63 // (https://bugs.webkit.org/show_bug.cgi?id=31855)
64 class WKCACFLayerRenderer : public Noncopyable {
65 friend PlatformCALayer;
68 static PassOwnPtr<WKCACFLayerRenderer> create(WKCACFLayerRendererClient*);
69 ~WKCACFLayerRenderer();
71 static bool acceleratedCompositingAvailable();
73 void setRootChildLayer(PlatformCALayer*);
74 void layerTreeDidChange();
75 void setNeedsDisplay(bool sync = false);
76 void setHostWindow(HWND window) { m_hostWindow = window; }
77 bool createRenderer();
78 void destroyRenderer();
82 void syncCompositingStateSoon();
85 PlatformCALayer* rootLayer() const;
86 void addPendingAnimatedLayer(PassRefPtr<PlatformCALayer>);
89 WKCACFLayerRenderer(WKCACFLayerRendererClient*);
91 void renderTimerFired(Timer<WKCACFLayerRenderer>*);
93 CGRect bounds() const;
95 void initD3DGeometry();
97 // Call this when the device window has changed size or when IDirect3DDevice9::Present returns
98 // D3DERR_DEVICELOST. Returns true if the device was recovered, false if rendering must be
99 // aborted and reattempted soon.
100 enum ResetReason { ChangedWindowSize, LostDevice };
101 bool resetDevice(ResetReason);
103 void render(const Vector<CGRect>& dirtyRects = Vector<CGRect>());
105 WKCACFLayerRendererClient* m_client;
106 bool m_mightBeAbleToCreateDeviceLater;
107 COMPtr<IDirect3DDevice9> m_d3dDevice;
108 RefPtr<PlatformCALayer> m_rootLayer;
109 RefPtr<PlatformCALayer> m_rootChildLayer;
110 WKCACFContext* m_context;
112 Timer<WKCACFLayerRenderer> m_renderTimer;
113 bool m_mustResetLostDeviceBeforeRendering;
114 bool m_syncLayerChanges;
115 HashSet<RefPtr<PlatformCALayer> > m_pendingAnimatedLayers;
124 #endif // USE(ACCELERATED_COMPOSITING)
126 #endif // WKCACFLayerRenderer_h