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// Copyright 2014 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_SCHEDULER_COMPOSITOR_TIMING_HISTORY_H_
#define CC_SCHEDULER_COMPOSITOR_TIMING_HISTORY_H_
#include "base/memory/scoped_ptr.h"
#include "cc/base/rolling_time_delta_history.h"
namespace base {
namespace trace_event {
class TracedValue;
} // namespace trace_event
} // namespace base
namespace cc {
class RenderingStatsInstrumentation;
class CC_EXPORT CompositorTimingHistory {
public:
enum UMACategory {
RENDERER_UMA,
BROWSER_UMA,
NULL_UMA,
};
class UMAReporter;
CompositorTimingHistory(
UMACategory uma_category,
RenderingStatsInstrumentation* rendering_stats_instrumentation);
virtual ~CompositorTimingHistory();
void AsValueInto(base::trace_event::TracedValue* state) const;
virtual base::TimeDelta BeginMainFrameToCommitDurationEstimate() const;
virtual base::TimeDelta CommitToReadyToActivateDurationEstimate() const;
virtual base::TimeDelta PrepareTilesDurationEstimate() const;
virtual base::TimeDelta ActivateDurationEstimate() const;
virtual base::TimeDelta DrawDurationEstimate() const;
void SetRecordingEnabled(bool enabled);
void WillBeginMainFrame();
void BeginMainFrameAborted();
void DidCommit();
void WillPrepareTiles();
void DidPrepareTiles();
void ReadyToActivate();
void WillActivate();
void DidActivate();
void WillDraw();
void DidDraw();
protected:
static scoped_ptr<UMAReporter> CreateUMAReporter(UMACategory category);
virtual base::TimeTicks Now() const;
bool AffectsEstimate() const;
bool enabled_;
int draws_left_before_estimates_affected_;
RollingTimeDeltaHistory begin_main_frame_to_commit_duration_history_;
RollingTimeDeltaHistory commit_to_ready_to_activate_duration_history_;
RollingTimeDeltaHistory prepare_tiles_duration_history_;
RollingTimeDeltaHistory activate_duration_history_;
RollingTimeDeltaHistory draw_duration_history_;
base::TimeTicks begin_main_frame_sent_time_;
base::TimeTicks commit_time_;
base::TimeTicks start_prepare_tiles_time_;
base::TimeTicks start_activate_time_;
base::TimeTicks start_draw_time_;
scoped_ptr<UMAReporter> uma_reporter_;
RenderingStatsInstrumentation* rendering_stats_instrumentation_;
private:
DISALLOW_COPY_AND_ASSIGN(CompositorTimingHistory);
};
} // namespace cc
#endif // CC_SCHEDULER_COMPOSITOR_TIMING_HISTORY_H_