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      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 TilesTracker_h
     27 #define TilesTracker_h
     28 
     29 #if USE(ACCELERATED_COMPOSITING)
     30 
     31 #include <cutils/log.h>
     32 #include <wtf/CurrentTime.h>
     33 #include <wtf/text/CString.h>
     34 
     35 #undef XLOG
     36 #define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "TilesTracker", __VA_ARGS__)
     37 
     38 namespace WebCore {
     39 
     40 class TilesTracker {
     41 public:
     42     TilesTracker() {
     43         clear();
     44     }
     45 
     46     void track(bool ready, bool haveTexture) {
     47         m_nbTextures++;
     48         if (ready)
     49             m_nbTexturesReady++;
     50         else
     51             m_nbTexturesNotReady++;
     52         if (haveTexture)
     53             m_nbTexturesUsed++;
     54     }
     55 
     56     void clear() {
     57         m_nbLayers = 0;
     58         m_nbVisibleLayers = 0;
     59         m_nbTextures = 0;
     60         m_nbTexturesReady = 0;
     61         m_nbTexturesNotReady = 0;
     62         m_nbTexturesUsed = 0;
     63     }
     64 
     65     void trackLayer() { m_nbLayers++; }
     66     void trackVisibleLayer() { m_nbVisibleLayers++; }
     67 
     68     void showTrackTextures() {
     69         XLOG("We had %d/%d layers needing %d textures, we had %d, %d were ready, %d were not",
     70               m_nbLayers, m_nbVisibleLayers, m_nbTextures, m_nbTexturesUsed, m_nbTexturesReady, m_nbTexturesNotReady);
     71     }
     72 
     73 private:
     74     int m_nbLayers;
     75     int m_nbVisibleLayers;
     76     int m_nbTextures;
     77     int m_nbTexturesReady;
     78     int m_nbTexturesNotReady;
     79     int m_nbTexturesUsed;
     80 };
     81 
     82 } // namespace WebCore
     83 
     84 #endif // USE(ACCELERATED_COMPOSITING)
     85 #endif // TilesTracker_h
     86