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 <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/debug/trace_event_argument.h"
  12 #include "base/time/time.h"
  13 #include "base/values.h"
  14 #include "cc/base/cc_export.h"
  15 #include "cc/debug/traced_value.h"
  16
  17 namespace cc {
  18
  19 struct CC_EXPORT RenderingStats {
  20   // Stores a sequence of TimeDelta objects.
  21   class CC_EXPORT TimeDeltaList {
  22    public:
  23     TimeDeltaList();
  24     ~TimeDeltaList();
  25
  26     void Append(base::TimeDelta value);
  27     void AddToTracedValue(base::debug::TracedValue* list_value) const;
  28
  29     void Add(const TimeDeltaList& other);
  30
  31     base::TimeDelta GetLastTimeDelta() const;
  32
  33    private:
  34     std::vector<base::TimeDelta> values;
  35   };
  36
  37   RenderingStats();
  38   ~RenderingStats();
  39
  40   // Note: when adding new members, please remember to update Add in
  41   // rendering_stats.cc.
  42
  43   int64 frame_count;
  44   int64 visible_content_area;
  45   int64 approximated_visible_content_area;
  46
  47   TimeDeltaList draw_duration;
  48   TimeDeltaList draw_duration_estimate;
  49   TimeDeltaList begin_main_frame_to_commit_duration;
  50   TimeDeltaList begin_main_frame_to_commit_duration_estimate;
  51   TimeDeltaList commit_to_activate_duration;
  52   TimeDeltaList commit_to_activate_duration_estimate;
  53
  54   scoped_refptr<base::debug::ConvertableToTraceFormat> AsTraceableData() const;
  55   void Add(const RenderingStats& other);
  56 };
  57
  58 }  // namespace cc
  59
  60 #endif  // CC_DEBUG_RENDERING_STATS_H_