chromium/cc/slim/layer_tree.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_SLIM_LAYER_TREE_H_
#define CC_SLIM_LAYER_TREE_H_

#include <cstdint>
#include <memory>

#include "base/component_export.h"
#include "base/containers/flat_map.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "components/viz/common/frame_timing_details.h"
#include "components/viz/common/surfaces/local_surface_id.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/overlay_transform.h"
#include "ui/gfx/presentation_feedback.h"

namespace cc {
class UIResourceManager;
}  // namespace cc

namespace viz {
class CopyOutputRequest;
class SurfaceId;
class SurfaceRange;
}

namespace cc::slim {

class FrameSink;
class Layer;
class LayerTreeClient;

// Hosts a tree of `slim::Layer`s. Responsible for generating and
// submitting frames and managing the lifetime of `FrameSink`s.
class COMPONENT_EXPORT(CC_SLIM) LayerTree { … };

}  // namespace cc::slim

#endif  // CC_SLIM_LAYER_TREE_H_