chromium/components/viz/service/surfaces/surface_allocation_group.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_SURFACES_SURFACE_ALLOCATION_GROUP_H_
#define COMPONENTS_VIZ_SERVICE_SURFACES_SURFACE_ALLOCATION_GROUP_H_

#include <vector>

#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/unguessable_token.h"
#include "components/viz/common/surfaces/frame_sink_id.h"
#include "components/viz/common/surfaces/surface_range.h"
#include "components/viz/service/viz_service_export.h"
#include "ui/latency/latency_info.h"

namespace viz {

class Surface;
class SurfaceManager;

// This class keeps track of the LocalSurfaceIds that were generated using the
// same ParentLocalSurfaceIdAllocator (i.e. have the same embed token).
// A SurfaceAllocationGroup is created when:
// - A surface is created with an embed token that was never seen before, OR
// - A surface embeds another surface that has an embed token that was never
//   seen before.
// Once all the surfaces in the allocation group and all of the embedders are
// unregistered, the allocation group will be garbage-collected.
class VIZ_SERVICE_EXPORT SurfaceAllocationGroup { … };

}  // namespace viz

#endif  // COMPONENTS_VIZ_SERVICE_SURFACES_SURFACE_ALLOCATION_GROUP_H_