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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
68 lines
2.5 KiB
C++
68 lines
2.5 KiB
C++
/*
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Copyright (C) 2012 Google Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PLATFORM_GRAPHICS_CANVAS2DLAYERMANAGER_H_
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#define SKY_ENGINE_PLATFORM_GRAPHICS_CANVAS2DLAYERMANAGER_H_
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#include "sky/engine/platform/Timer.h"
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#include "sky/engine/platform/graphics/Canvas2DLayerBridge.h"
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class Canvas2DLayerManagerTest;
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namespace blink {
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class PLATFORM_EXPORT Canvas2DLayerManager {
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public:
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static Canvas2DLayerManager& get();
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void init(size_t maxBytesAllocated, size_t targetBytesAllocated);
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virtual ~Canvas2DLayerManager();
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void layerTransientResourceAllocationChanged(Canvas2DLayerBridge*, intptr_t deltaBytes = 0);
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void layerDidDraw(Canvas2DLayerBridge*);
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bool isInList(Canvas2DLayerBridge*) const;
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private:
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Canvas2DLayerManager();
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// internal methods
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void freeMemoryIfNecessary();
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void addLayerToList(Canvas2DLayerBridge*);
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void limitPendingFramesTimerFired(Timer<Canvas2DLayerManager>*);
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size_t m_bytesAllocated;
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size_t m_maxBytesAllocated;
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size_t m_targetBytesAllocated;
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Timer<Canvas2DLayerManager> m_limitPendingFramesTimer;
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DoublyLinkedList<Canvas2DLayerBridge> m_layerList;
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friend class ::Canvas2DLayerManagerTest; // for unit testing
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};
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} // namespace blink
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#endif // SKY_ENGINE_PLATFORM_GRAPHICS_CANVAS2DLAYERMANAGER_H_
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