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Issue 562583002: Implement image-rendering:pixelated for accelerated 2D canvases. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Make tests smaller. Created 6 years ago
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1 /* 1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved. 2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
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67 67
68 // ImageBufferSurface implementation 68 // ImageBufferSurface implementation
69 void finalizeFrame(const FloatRect &dirtyRect); 69 void finalizeFrame(const FloatRect &dirtyRect);
70 void willAccessPixels(); 70 void willAccessPixels();
71 SkCanvas* canvas() const { return m_canvas.get(); } 71 SkCanvas* canvas() const { return m_canvas.get(); }
72 bool checkSurfaceValid(); 72 bool checkSurfaceValid();
73 bool restoreSurface(); 73 bool restoreSurface();
74 WebLayer* layer() const; 74 WebLayer* layer() const;
75 Platform3DObject getBackingTexture(); 75 Platform3DObject getBackingTexture();
76 bool isAccelerated() const { return true; } 76 bool isAccelerated() const { return true; }
77 void setFilterLevel(SkPaint::FilterLevel);
77 void setIsHidden(bool); 78 void setIsHidden(bool);
78 void setImageBuffer(ImageBuffer* imageBuffer) { m_imageBuffer = imageBuffer; } 79 void setImageBuffer(ImageBuffer* imageBuffer) { m_imageBuffer = imageBuffer; }
79 80
80 // Methods used by Canvas2DLayerManager 81 // Methods used by Canvas2DLayerManager
81 virtual size_t freeMemoryIfPossible(size_t); // virtual for mocking 82 virtual size_t freeMemoryIfPossible(size_t); // virtual for mocking
82 virtual void flush(); // virtual for mocking 83 virtual void flush(); // virtual for mocking
83 virtual size_t storageAllocatedForRecording(); // virtual for faking 84 virtual size_t storageAllocatedForRecording(); // virtual for faking
84 size_t bytesAllocated() const { return m_bytesAllocated; } 85 size_t bytesAllocated() const { return m_bytesAllocated; }
85 void limitPendingFrames(); 86 void limitPendingFrames();
86 void freeReleasedMailbox(); 87 void freeReleasedMailbox();
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105 OwnPtr<WebGraphicsContext3DProvider> m_contextProvider; 106 OwnPtr<WebGraphicsContext3DProvider> m_contextProvider;
106 ImageBuffer* m_imageBuffer; 107 ImageBuffer* m_imageBuffer;
107 int m_msaaSampleCount; 108 int m_msaaSampleCount;
108 size_t m_bytesAllocated; 109 size_t m_bytesAllocated;
109 bool m_didRecordDrawCommand; 110 bool m_didRecordDrawCommand;
110 bool m_isSurfaceValid; 111 bool m_isSurfaceValid;
111 int m_framesPending; 112 int m_framesPending;
112 int m_framesSinceMailboxRelease; 113 int m_framesSinceMailboxRelease;
113 bool m_destructionInProgress; 114 bool m_destructionInProgress;
114 bool m_rateLimitingEnabled; 115 bool m_rateLimitingEnabled;
116 SkPaint::FilterLevel m_filterLevel;
115 bool m_isHidden; 117 bool m_isHidden;
116 118
117 friend class WTF::DoublyLinkedListNode<Canvas2DLayerBridge>; 119 friend class WTF::DoublyLinkedListNode<Canvas2DLayerBridge>;
118 friend class ::Canvas2DLayerBridgeTest; 120 friend class ::Canvas2DLayerBridgeTest;
119 Canvas2DLayerBridge* m_next; 121 Canvas2DLayerBridge* m_next;
120 Canvas2DLayerBridge* m_prev; 122 Canvas2DLayerBridge* m_prev;
121 123
122 enum MailboxStatus { 124 enum MailboxStatus {
123 MailboxInUse, 125 MailboxInUse,
124 MailboxReleased, 126 MailboxReleased,
125 MailboxAvailable, 127 MailboxAvailable,
126 }; 128 };
127 129
128 struct MailboxInfo { 130 struct MailboxInfo {
129 WebExternalTextureMailbox m_mailbox; 131 WebExternalTextureMailbox m_mailbox;
130 RefPtr<SkImage> m_image; 132 RefPtr<SkImage> m_image;
131 MailboxStatus m_status; 133 MailboxStatus m_status;
132 RefPtr<Canvas2DLayerBridge> m_parentLayerBridge; 134 RefPtr<Canvas2DLayerBridge> m_parentLayerBridge;
133 135
134 MailboxInfo(const MailboxInfo&); 136 MailboxInfo(const MailboxInfo&);
135 MailboxInfo() {} 137 MailboxInfo() {}
136 }; 138 };
137 MailboxInfo* createMailboxInfo(); 139 MailboxInfo* createMailboxInfo();
138 MailboxInfo* releasedMailboxInfo(); 140 MailboxInfo* releasedMailboxInfo();
139 141
140 uint32_t m_lastImageId; 142 uint32_t m_lastImageId;
143 GLenum m_lastFilter;
Justin Novosad 2014/12/02 14:56:35 It looks like this variable is unused now. It shou
141 Vector<MailboxInfo> m_mailboxes; 144 Vector<MailboxInfo> m_mailboxes;
142 int m_releasedMailboxInfoIndex; 145 int m_releasedMailboxInfoIndex;
143 OpacityMode m_opacityMode; 146 OpacityMode m_opacityMode;
144 }; 147 };
145 148
146 } // namespace blink 149 } // namespace blink
147 150
148 #endif 151 #endif
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