cc/debug/rendering_stats.h

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_DEBUG_RENDERING_STATS_H_
   6 #define CC_DEBUG_RENDERING_STATS_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/time/time.h"
  10 #include "cc/base/cc_export.h"
  11
  12 namespace cc {
  13
  14 struct CC_EXPORT RenderingStats {
  15   int64 animation_frame_count;
  16   int64 screen_frame_count;
  17   int64 dropped_frame_count;
  18   base::TimeDelta total_paint_time;
  19   base::TimeDelta total_record_time;
  20   base::TimeDelta total_rasterize_time;
  21   base::TimeDelta total_rasterize_time_for_now_bins_on_pending_tree;
  22   base::TimeDelta total_commit_time;
  23   base::TimeDelta best_rasterize_time;
  24   int64 total_commit_count;
  25   int64 total_pixels_painted;
  26   int64 total_pixels_recorded;
  27   int64 total_pixels_rasterized;
  28   int64 num_impl_thread_scrolls;
  29   int64 num_main_thread_scrolls;
  30   int64 num_layers_drawn;
  31   int64 num_missing_tiles;
  32   int64 total_deferred_image_decode_count;
  33   int64 total_deferred_image_cache_hit_count;
  34   int64 total_image_gathering_count;
  35   int64 total_tiles_analyzed;
  36   int64 solid_color_tiles_analyzed;
  37   base::TimeDelta total_deferred_image_decode_time;
  38   base::TimeDelta total_image_gathering_time;
  39   base::TimeDelta total_tile_analysis_time;
  40   // Note: when adding new members, please remember to update EnumerateFields
  41   // and Add in rendering_stats.cc.
  42
  43   RenderingStats();
  44
  45   // In conjunction with EnumerateFields, this allows the embedder to
  46   // enumerate the values in this structure without
  47   // having to embed references to its specific member variables. This
  48   // simplifies the addition of new fields to this type.
  49   class Enumerator {
  50    public:
  51     virtual void AddInt64(const char* name, int64 value) = 0;
  52     virtual void AddDouble(const char* name, double value) = 0;
  53     virtual void AddInt(const char* name, int value) = 0;
  54     virtual void AddTimeDeltaInSecondsF(const char* name,
  55                                         const base::TimeDelta& value) = 0;
  56
  57    protected:
  58     virtual ~Enumerator() {}
  59   };
  60
  61   // Outputs the fields in this structure to the provided enumerator.
  62   void EnumerateFields(Enumerator* enumerator) const;
  63
  64   // Add fields of |other| to the fields in this structure.
  65   void Add(const RenderingStats& other);
  66 };
  67
  68 }  // namespace cc
  69
  70 #endif  // CC_DEBUG_RENDERING_STATS_H_