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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 TilesProfiler_h
     27 #define TilesProfiler_h
     28 
     29 #if USE(ACCELERATED_COMPOSITING)
     30 
     31 #include "BaseTile.h"
     32 #include "IntRect.h"
     33 #include "Vector.h"
     34 
     35 namespace WebCore {
     36 
     37 struct TileProfileRecord {
     38     TileProfileRecord(int left, int top, int right, int bottom, float scale, int isReady, int level) {
     39         this->left = left;
     40         this->top = top;
     41         this->right = right;
     42         this->bottom = bottom;
     43         this->scale = scale;
     44         this->isReady = isReady;
     45         this->level = level;
     46     }
     47     int left, top, right, bottom;
     48     bool isReady;
     49     int level;
     50     float scale;
     51 };
     52 
     53 class TilesProfiler {
     54 public:
     55     TilesProfiler();
     56 
     57     void start();
     58     float stop();
     59     void clear();
     60     void nextFrame(int left, int top, int right, int bottom, float scale);
     61     void nextTile(BaseTile& tile, float scale, bool inView);
     62     void nextInval(const IntRect& rect, float scale);
     63     int numFrames() {
     64         return m_records.size();
     65     };
     66 
     67     int numTilesInFrame(int frame) {
     68         return m_records[frame].size();
     69     }
     70 
     71     TileProfileRecord* getTile(int frame, int tile) {
     72         return &m_records[frame][tile];
     73     }
     74 
     75 private:
     76     bool m_enabled;
     77     unsigned int m_goodTiles;
     78     unsigned int m_badTiles;
     79     Vector<Vector<TileProfileRecord> > m_records;
     80     double m_time;
     81 };
     82 
     83 } // namespace WebCore
     84 
     85 #endif // USE(ACCELERATED_COMPOSITING)
     86 #endif // TilesProfiler_h
     87