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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 "IntRect.h"
     32 #include "SkRect.h"
     33 #include <wtf/Vector.h>
     34 
     35 namespace WebCore {
     36 
     37 class Tile;
     38 
     39 struct TileProfileRecord {
     40     TileProfileRecord(int left, int top, int right, int bottom, float scale, int isReady, int level) {
     41         this->left = left;
     42         this->top = top;
     43         this->right = right;
     44         this->bottom = bottom;
     45         this->scale = scale;
     46         this->isReady = isReady;
     47         this->level = level;
     48     }
     49     int left, top, right, bottom;
     50     bool isReady;
     51     int level;
     52     float scale;
     53 };
     54 
     55 class TilesProfiler {
     56 public:
     57     TilesProfiler();
     58 
     59     void start();
     60     float stop();
     61     void clear();
     62     void nextFrame(int left, int top, int right, int bottom, float scale);
     63     void nextTile(Tile* tile, float scale, bool inView);
     64     void nextInval(const SkIRect& rect, float scale);
     65     int numFrames() {
     66         return m_records.size();
     67     };
     68 
     69     int numTilesInFrame(int frame) {
     70         return m_records[frame].size();
     71     }
     72 
     73     TileProfileRecord* getTile(int frame, int tile) {
     74         return &m_records[frame][tile];
     75     }
     76 
     77     bool enabled() { return m_enabled; }
     78 
     79 private:
     80     bool m_enabled;
     81     unsigned int m_goodTiles;
     82     unsigned int m_badTiles;
     83     WTF::Vector<WTF::Vector<TileProfileRecord> > m_records;
     84     double m_time;
     85 };
     86 
     87 } // namespace WebCore
     88 
     89 #endif // USE(ACCELERATED_COMPOSITING)
     90 #endif // TilesProfiler_h
     91