1 /*
2  * Copyright (C) 2007 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 #pragma once
18 
19 #include <binder/IInterface.h>
20 #include <binder/SafeInterface.h>
21 #include <ui/PixelFormat.h>
22 
23 namespace android {
24 
25 class FrameStats;
26 class IGraphicBufferProducer;
27 
28 class ISurfaceComposerClient : public IInterface {
29 public:
30     DECLARE_META_INTERFACE(SurfaceComposerClient)
31 
32     // flags for createSurface()
33     enum { // (keep in sync with Surface.java)
34         eHidden = 0x00000004,
35         eDestroyBackbuffer = 0x00000020,
36         eSecure = 0x00000080,
37         eNonPremultiplied = 0x00000100,
38         eOpaque = 0x00000400,
39         eProtectedByApp = 0x00000800,
40         eProtectedByDRM = 0x00001000,
41         eCursorWindow = 0x00002000,
42 
43         eFXSurfaceNormal = 0x00000000,
44         eFXSurfaceColor = 0x00020000,
45         eFXSurfaceMask = 0x000F0000,
46     };
47 
48     /*
49      * Requires ACCESS_SURFACE_FLINGER permission
50      */
51     virtual status_t createSurface(const String8& name, uint32_t w, uint32_t h, PixelFormat format,
52                                    uint32_t flags, const sp<IBinder>& parent, int32_t windowType,
53                                    int32_t ownerUid, sp<IBinder>* handle,
54                                    sp<IGraphicBufferProducer>* gbp) = 0;
55 
56     /*
57      * Requires ACCESS_SURFACE_FLINGER permission
58      */
59     virtual status_t destroySurface(const sp<IBinder>& handle) = 0;
60 
61     /*
62      * Requires ACCESS_SURFACE_FLINGER permission
63      */
64     virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const = 0;
65 
66     /*
67      * Requires ACCESS_SURFACE_FLINGER permission
68      */
69     virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const = 0;
70 };
71 
72 class BnSurfaceComposerClient : public SafeBnInterface<ISurfaceComposerClient> {
73 public:
BnSurfaceComposerClient()74     BnSurfaceComposerClient()
75           : SafeBnInterface<ISurfaceComposerClient>("BnSurfaceComposerClient") {}
76 
77     status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
78 };
79 
80 } // namespace android
81