chromium/components/viz/service/surfaces/surface_reference.h

// Copyright 2016 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_REFERENCE_H_
#define COMPONENTS_VIZ_SERVICE_SURFACES_SURFACE_REFERENCE_H_

#include <compare>
#include <string>

#include "base/hash/hash.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "components/viz/service/viz_service_export.h"

namespace viz {

// Hold a reference from an embedding (parent) to embedded (child) surface.
class VIZ_SERVICE_EXPORT SurfaceReference { … };

struct SurfaceReferenceHash { … };

VIZ_SERVICE_EXPORT std::ostream& operator<<(
    std::ostream& out,
    const SurfaceReference& surface_reference);

}  // namespace viz

#endif  // COMPONENTS_VIZ_SERVICE_SURFACES_SURFACE_REFERENCE_H_