1 /* 2 * Copyright 2010, 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 TexturesGenerator_h 27 #define TexturesGenerator_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #include "QueuedOperation.h" 32 #include "TiledPage.h" 33 #include "TilePainter.h" 34 #include <utils/threads.h> 35 36 namespace WebCore { 37 38 using namespace android; 39 40 class BaseLayerAndroid; 41 class LayerAndroid; 42 43 class TexturesGenerator : public Thread { 44 public: TexturesGenerator()45 TexturesGenerator() : Thread() 46 , m_waitForCompletion(false) 47 , m_currentOperation(0) { } ~TexturesGenerator()48 virtual ~TexturesGenerator() { } 49 virtual status_t readyToRun(); 50 51 void removeOperationsForPage(TiledPage* page); 52 void removePaintOperationsForPage(TiledPage* page, bool waitForRunning); 53 void removeOperationsForFilter(OperationFilter* filter); 54 void removeOperationsForFilter(OperationFilter* filter, bool waitForRunning); 55 56 void scheduleOperation(QueuedOperation* operation); 57 58 private: 59 QueuedOperation* popNext(); 60 virtual bool threadLoop(); 61 Vector<QueuedOperation*> mRequestedOperations; 62 android::Mutex mRequestedOperationsLock; 63 android::Condition mRequestedOperationsCond; 64 bool m_waitForCompletion; 65 QueuedOperation* m_currentOperation; 66 }; 67 68 } // namespace WebCore 69 70 #endif // USE(ACCELERATED_COMPOSITING) 71 #endif // TexturesGenerator_h 72