chromium/components/viz/service/display/display_damage_tracker.h

// Copyright 2019 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_DISPLAY_DISPLAY_DAMAGE_TRACKER_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_DISPLAY_DAMAGE_TRACKER_H_

#include <memory>
#include <vector>

#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "components/viz/common/frame_sinks/begin_frame_args.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "components/viz/service/surfaces/surface_observer.h"
#include "components/viz/service/viz_service_export.h"

namespace viz {

class SurfaceAggregator;
class SurfaceManager;

// DisplayDamageTracker is used to track Surfaces damage that belong to current
// Display. It tracks pending damage when clients received BeginFrames but
// didn't replied yet and it tracks whether damage to those surfaces contribute
// to Display damage. Used by DisplayScheduler to determine frame deadlines.
class VIZ_SERVICE_EXPORT DisplayDamageTracker : public SurfaceObserver { … };

}  // namespace viz

#endif  // COMPONENTS_VIZ_SERVICE_DISPLAY_DISPLAY_DAMAGE_TRACKER_H_