| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_DEBUG_RENDERING_STATS_INSTRUMENTATION_H_ |
| #define CC_DEBUG_RENDERING_STATS_INSTRUMENTATION_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/synchronization/lock.h" |
| #include "cc/debug/rendering_stats.h" |
| |
| namespace cc { |
| |
| // RenderingStatsInstrumentation is shared among threads and manages conditional |
| // recording of rendering stats into a private RenderingStats instance. |
| class CC_EXPORT RenderingStatsInstrumentation { |
| public: |
| static scoped_ptr<RenderingStatsInstrumentation> Create(); |
| virtual ~RenderingStatsInstrumentation(); |
| |
| // Return copy of current main thread rendering stats. |
| MainThreadRenderingStats main_thread_rendering_stats(); |
| |
| // Return copy of current impl thread rendering stats. |
| ImplThreadRenderingStats impl_thread_rendering_stats(); |
| |
| // Return the accumulated, combined rendering stats. |
| RenderingStats GetRenderingStats(); |
| |
| // Add current main thread rendering stats to accumulator and |
| // clear current stats. |
| void AccumulateAndClearMainThreadStats(); |
| |
| // Add current impl thread rendering stats to accumulator and |
| // clear current stats. |
| void AccumulateAndClearImplThreadStats(); |
| |
| // Read and write access to the record_rendering_stats_ flag is not locked to |
| // improve performance. The flag is commonly turned off and hardly changes |
| // it's value during runtime. |
| bool record_rendering_stats() const { return record_rendering_stats_; } |
| void set_record_rendering_stats(bool record_rendering_stats) { |
| if (record_rendering_stats_ != record_rendering_stats) |
| record_rendering_stats_ = record_rendering_stats; |
| } |
| |
| base::TimeTicks StartRecording() const; |
| base::TimeDelta EndRecording(base::TimeTicks start_time) const; |
| |
| void IncrementFrameCount(int64 count, bool main_thread); |
| void AddPaint(base::TimeDelta duration, int64 pixels); |
| void AddRecord(base::TimeDelta duration, int64 pixels); |
| void AddRaster(base::TimeDelta duration, int64 pixels); |
| void AddAnalysis(base::TimeDelta duration, int64 pixels); |
| void AddVisibleContentArea(int64 area); |
| void AddApproximatedVisibleContentArea(int64 area); |
| |
| protected: |
| RenderingStatsInstrumentation(); |
| |
| private: |
| MainThreadRenderingStats main_thread_rendering_stats_; |
| MainThreadRenderingStats main_thread_rendering_stats_accu_; |
| ImplThreadRenderingStats impl_thread_rendering_stats_; |
| ImplThreadRenderingStats impl_thread_rendering_stats_accu_; |
| |
| bool record_rendering_stats_; |
| |
| base::Lock lock_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RenderingStatsInstrumentation); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_DEBUG_RENDERING_STATS_INSTRUMENTATION_H_ |