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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_VIZ_SERVICE_FRAME_SINKS_FRAME_COUNTER_H_
#define COMPONENTS_VIZ_SERVICE_FRAME_SINKS_FRAME_COUNTER_H_
#include <string_view>
#include "base/containers/flat_map.h"
#include "base/time/time.h"
#include "components/viz/common/surfaces/frame_sink_id.h"
#include "components/viz/service/viz_service_export.h"
#include "services/viz/privileged/mojom/compositing/frame_sinks_metrics_recorder.mojom-forward.h"
#include "services/viz/public/mojom/compositing/compositor_frame_sink.mojom-shared.h"
namespace viz {
// Counts presented frames per frame sink. Used in tests to provide fps data
// per frame sink.
class VIZ_SERVICE_EXPORT FrameCounter {
public:
FrameCounter(base::TimeTicks start_time, base::TimeDelta bucket_size);
~FrameCounter();
// Add a record for a frame sink.
void AddFrameSink(const FrameSinkId& frame_sink_id,
bool is_root,
std::string_view debug_label);
// Add a presented frame for the frame sink.
void AddPresentedFrame(const FrameSinkId& frame_sink_id,
base::TimeTicks present_timetamp);
// Takes the collected frame counts.
mojom::FrameCountingDataPtr TakeData();
void SetFrameSinkDebugLabel(const FrameSinkId& frame_sink_id,
std::string_view debug_label);
private:
// Time when the frame counting is stated.
const base::TimeTicks start_time_;
// Bucket size of the frame count records.
const base::TimeDelta bucket_size_;
base::flat_map<FrameSinkId, mojom::FrameCountingPerSinkDataPtr>
frame_sink_data_;
};
} // namespace viz
#endif // COMPONENTS_VIZ_SERVICE_FRAME_SINKS_FRAME_COUNTER_H_
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