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Jason Macnak2920f942022-10-12 13:02:57 -07001// Copyright (C) 2022 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#pragma once
16
Hailin Zhang919bbb82022-12-08 16:30:59 -080017#include <stdint.h>
18
Yahan Zhoud13d7c82023-05-15 15:56:55 -070019#include "aemu/base/synchronization/Lock.h"
20
Jason Macnak2920f942022-10-12 13:02:57 -070021namespace gfxstream {
22
23class DisplaySurface;
24class DisplaySurfaceUser;
25
26class DisplaySurfaceUser {
27 public:
28 virtual ~DisplaySurfaceUser();
29
30 public:
31 void bindToSurface(DisplaySurface* surface);
32
33 void unbindFromSurface();
34
35 protected:
36 virtual void bindToSurfaceImpl(DisplaySurface* surface) = 0;
37
Hailin Zhang919bbb82022-12-08 16:30:59 -080038 virtual void surfaceUpdated(DisplaySurface* surface) = 0;
39
Jason Macnak2920f942022-10-12 13:02:57 -070040 virtual void unbindFromSurfaceImpl() = 0;
41
42 const DisplaySurface* getBoundSurface() const { return mBoundSurface; }
43
Yahan Zhoud13d7c82023-05-15 15:56:55 -070044 protected:
45 android::base::Lock mMutex;
46
47 private:
Jason Macnak2920f942022-10-12 13:02:57 -070048 friend class DisplaySurface;
49 DisplaySurface* mBoundSurface = nullptr;
50};
51
52} // namespace gfxstream