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 #include "cc/debug/traced_value.h"
  12
  13 namespace cc {
  14
  15 // In conjunction with EnumerateFields, this allows the embedder to
  16 // enumerate the values in this structure without
  17 // having to embed references to its specific member variables. This
  18 // simplifies the addition of new fields to this type.
  19 class RenderingStatsEnumerator {
  20  public:
  21   virtual void AddInt64(const char* name, int64 value) = 0;
  22   virtual void AddDouble(const char* name, double value) = 0;
  23   virtual void AddInt(const char* name, int value) = 0;
  24   virtual void AddTimeDeltaInSecondsF(const char* name,
  25                                       const base::TimeDelta& value) = 0;
  26
  27  protected:
  28   virtual ~RenderingStatsEnumerator() {}
  29 };
  30
  31 struct CC_EXPORT MainThreadRenderingStats {
  32   // Note: when adding new members, please remember to update EnumerateFields
  33   // and Add in rendering_stats.cc.
  34
  35   int64 frame_count;
  36   base::TimeDelta paint_time;
  37   int64 painted_pixel_count;
  38   base::TimeDelta record_time;
  39   int64 recorded_pixel_count;
  40
  41   MainThreadRenderingStats();
  42   scoped_refptr<base::debug::ConvertableToTraceFormat> AsTraceableData() const;
  43   void Add(const MainThreadRenderingStats& other);
  44 };
  45
  46 struct CC_EXPORT ImplThreadRenderingStats {
  47   // Note: when adding new members, please remember to update EnumerateFields
  48   // and Add in rendering_stats.cc.
  49
  50   int64 frame_count;
  51   base::TimeDelta rasterize_time;
  52   int64 rasterized_pixel_count;
  53
  54   ImplThreadRenderingStats();
  55   scoped_refptr<base::debug::ConvertableToTraceFormat> AsTraceableData() const;
  56   void Add(const ImplThreadRenderingStats& other);
  57 };
  58
  59 struct CC_EXPORT RenderingStats {
  60   typedef RenderingStatsEnumerator Enumerator;
  61
  62   MainThreadRenderingStats main_stats;
  63   ImplThreadRenderingStats impl_stats;
  64
  65   // Outputs the fields in this structure to the provided enumerator.
  66   void EnumerateFields(Enumerator* enumerator) const;
  67
  68   // Add fields of |other| to the fields in this structure.
  69   void Add(const RenderingStats& other);
  70 };
  71
  72 }  // namespace cc
  73
  74 #endif  // CC_DEBUG_RENDERING_STATS_H_