1// Copyright 2013 The Flutter Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef FLUTTER_LIB_UI_IO_MANAGER_H_
6#define FLUTTER_LIB_UI_IO_MANAGER_H_
7
8#include "flutter/flow/skia_gpu_object.h"
9#include "flutter/fml/memory/weak_ptr.h"
10#include "flutter/fml/synchronization/sync_switch.h"
11#include "third_party/skia/include/gpu/GrDirectContext.h"
12
13namespace flutter {
14// Interface for methods that manage access to the resource GrDirectContext and
15// Skia unref queue. Meant to be implemented by the owner of the resource
16// GrDirectContext, i.e. the shell's IOManager.
17class IOManager {
18 public:
19 virtual ~IOManager() = default;
20
21 virtual fml::WeakPtr<IOManager> GetWeakIOManager() const = 0;
22
23 virtual fml::WeakPtr<GrDirectContext> GetResourceContext() const = 0;
24
25 virtual fml::RefPtr<flutter::SkiaUnrefQueue> GetSkiaUnrefQueue() const = 0;
26
27 virtual std::shared_ptr<fml::SyncSwitch> GetIsGpuDisabledSyncSwitch() = 0;
28};
29
30} // namespace flutter
31
32#endif // FLUTTER_LIB_UI_IO_MANAGER_H_
33