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      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         eFXSurfaceDim = 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, uint32_t windowType,
     53                                    uint32_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:
     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