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

// Copyright 2020 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_OVERLAY_CANDIDATE_TEMPORAL_TRACKER_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_CANDIDATE_TEMPORAL_TRACKER_H_

#include "components/viz/common/resources/resource_id.h"
#include "components/viz/service/viz_service_export.h"

namespace viz {
// Overlay selection is extremely important for optimal power and performance.
// The |OverlayCandidateTemporalTracker| class provides a way to temporally
// track overlay candidate properties and to categorize them. This tracker
// operates on highly opaque input; it only understands resource id (changes)
// and damage ratios. The hysteresis in categorization is intentional and its
// purpose is to temporally stabilize the result.
class VIZ_SERVICE_EXPORT OverlayCandidateTemporalTracker { … };

}  // namespace viz

#endif  // COMPONENTS_VIZ_SERVICE_DISPLAY_OVERLAY_CANDIDATE_TEMPORAL_TRACKER_H_