1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ANDROID_GUI_IGRAPHICBUFFERPRODUCER_H
18 #define ANDROID_GUI_IGRAPHICBUFFERPRODUCER_H
19 
20 #include <ui/GraphicBuffer.h>
21 #include <utils/RefBase.h>
22 
23 namespace android {
24 
25 class IGraphicBufferProducer : virtual public RefBase {
26 public:
27     enum class DisconnectMode {
28         // Disconnect only the specified API.
29         Api,
30         // Disconnect any API originally connected from the process calling disconnect.
31         AllLocal
32     };
33 
34     virtual int query(int what, int* value) = 0;
35 
36     virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf) = 0;
37 };
38 
39 } // namespace android
40 
41 #endif // ANDROID_GUI_IGRAPHICBUFFERPRODUCER_H
42