chromium/components/viz/common/surfaces/parent_local_surface_id_allocator.h

// Copyright 2017 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_COMMON_SURFACES_PARENT_LOCAL_SURFACE_ID_ALLOCATOR_H_
#define COMPONENTS_VIZ_COMMON_SURFACES_PARENT_LOCAL_SURFACE_ID_ALLOCATOR_H_

#include <stdint.h>

#include "base/unguessable_token.h"
#include "components/viz/common/surfaces/local_surface_id.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "components/viz/common/viz_common_export.h"

namespace viz {

// This is a helper class for generating local surface IDs for a single
// FrameSink. This is not threadsafe, to use from multiple threads wrap this
// class in a mutex.
// The parent embeds a child's surface. The parent allocates a surface for the
// child when the parent needs to change surface parameters, for example.
class VIZ_COMMON_EXPORT ParentLocalSurfaceIdAllocator { … };

}  // namespace viz

#endif  // COMPONENTS_VIZ_COMMON_SURFACES_PARENT_LOCAL_SURFACE_ID_ALLOCATOR_H_