1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef SurfaceCollectionManager_h 27 #define SurfaceCollectionManager_h 28 29 #include "TestExport.h" 30 #include <utils/threads.h> 31 32 class SkRect; 33 class SkCanvas; 34 35 namespace WebCore { 36 37 class GLWebViewState; 38 class IntRect; 39 class TexturesResult; 40 class SurfaceCollection; 41 42 class TEST_EXPORT SurfaceCollectionManager { 43 public: 44 SurfaceCollectionManager(); 45 46 ~SurfaceCollectionManager(); 47 48 bool updateWithSurfaceCollection(SurfaceCollection* collection, bool brandNew); 49 50 void updateScrollableLayer(int layerId, int x, int y); 51 52 int drawGL(double currentTime, IntRect& viewRect, 53 SkRect& visibleContentRect, float scale, 54 bool scrolling, bool singleSurfaceMode, 55 bool* collectionsSwappedPtr, bool* newCollectionHasAnimPtr, 56 TexturesResult* texturesResultPtr, bool shouldDraw); 57 58 private: 59 void swap(); 60 void clearCollections(); 61 void updatePaintingCollection(SurfaceCollection* newCollection); 62 int singleSurfaceModeInvalidation(bool hasRunningAnimation, bool scrolling, bool shouldDraw); 63 SurfaceCollection* m_drawingCollection; 64 SurfaceCollection* m_paintingCollection; 65 SurfaceCollection* m_queuedCollection; 66 67 bool m_fastSwapMode; 68 // Used in single surface mode only. True if the previous frame is scrolling. 69 bool m_previouslyScrolling; 70 // Used in single surface mode only. True if there is a new painting tree 71 // added for the current frame. 72 bool m_newPaintingCollection; 73 }; 74 75 } // namespace WebCore 76 77 #endif //#define SurfaceCollectionManager_h 78