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.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_rasterize_time;
  20   base::TimeDelta total_rasterize_time_for_now_bins_on_pending_tree;
  21   base::TimeDelta total_commit_time;
  22   int64 total_commit_count;
  23   int64 total_pixels_painted;
  24   int64 total_pixels_rasterized;
  25   int64 num_impl_thread_scrolls;
  26   int64 num_main_thread_scrolls;
  27   int64 num_layers_drawn;
  28   int64 num_missing_tiles;
  29   int64 total_deferred_image_decode_count;
  30   int64 total_deferred_image_cache_hit_count;
  31   int64 total_image_gathering_count;
  32   base::TimeDelta total_deferred_image_decode_time;
  33   base::TimeDelta total_image_gathering_time;
  34   // Note: when adding new members, please remember to update EnumerateFields
  35   // and Add in rendering_stats.cc.
  36
  37   RenderingStats();
  38
  39   // In conjunction with EnumerateFields, this allows the embedder to
  40   // enumerate the values in this structure without
  41   // having to embed references to its specific member variables. This
  42   // simplifies the addition of new fields to this type.
  43   class Enumerator {
  44    public:
  45     virtual void AddInt64(const char* name, int64 value) = 0;
  46     virtual void AddDouble(const char* name, double value) = 0;
  47     virtual void AddInt(const char* name, int value) = 0;
  48     virtual void AddTimeDeltaInSecondsF(const char* name,
  49                                         const base::TimeDelta& value) = 0;
  50
  51    protected:
  52     virtual ~Enumerator() {}
  53   };
  54
  55   // Outputs the fields in this structure to the provided enumerator.
  56   void EnumerateFields(Enumerator* enumerator) const;
  57
  58   // Add fields of |other| to the fields in this structure.
  59   void Add(const RenderingStats& other);
  60 };
  61
  62 }  // namespace cc
  63
  64 #endif  // CC_DEBUG_RENDERING_STATS_H_