chromium/components/viz/service/frame_sinks/frame_counter.cc

// 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.

#include "components/viz/service/frame_sinks/frame_counter.h"

#include <limits>
#include <string>
#include <string_view>
#include <utility>
#include <vector>

#include "base/check.h"
#include "base/containers/contains.h"
#include "base/time/time.h"
#include "services/viz/privileged/mojom/compositing/frame_sink_manager.mojom.h"
#include "services/viz/privileged/mojom/compositing/frame_sinks_metrics_recorder.mojom.h"

namespace viz {
namespace {

// Max number of frame count records. It is 1800s when bucket size if 1s and
// no tests should run longer than 1800s.
constexpr size_t kMaxFrameRecords = …;

}  // namespace

FrameCounter::FrameCounter(base::TimeTicks start_time,
                           base::TimeDelta bucket_size)
    : … { … }

FrameCounter::~FrameCounter() = default;

void FrameCounter::AddFrameSink(const FrameSinkId& frame_sink_id,
                                mojom::CompositorFrameSinkType type,
                                bool is_root,
                                std::string_view debug_label) { … }

void FrameCounter::AddPresentedFrame(const FrameSinkId& frame_sink_id,
                                     base::TimeTicks present_timestamp) { … }

mojom::FrameCountingDataPtr FrameCounter::TakeData() { … }

void FrameCounter::SetFrameSinkType(const FrameSinkId& frame_sink_id,
                                    mojom::CompositorFrameSinkType type) { … }

void FrameCounter::SetFrameSinkDebugLabel(const FrameSinkId& frame_sink_id,
                                          std::string_view debug_label) { … }

}  // namespace viz