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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 #ifndef ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
     18 #define ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
     19 
     20 #include <stdint.h>
     21 #include <sys/types.h>
     22 
     23 #include <utils/Errors.h>
     24 #include <utils/RefBase.h>
     25 
     26 #include <binder/IInterface.h>
     27 
     28 #include <ui/PixelFormat.h>
     29 
     30 #include <gui/ISurface.h>
     31 
     32 namespace android {
     33 
     34 // ----------------------------------------------------------------------------
     35 
     36 typedef int32_t    DisplayID;
     37 
     38 // ----------------------------------------------------------------------------
     39 
     40 class ISurfaceComposerClient : public IInterface
     41 {
     42 public:
     43     DECLARE_META_INTERFACE(SurfaceComposerClient);
     44 
     45     struct surface_data_t {
     46         int32_t             token;
     47         int32_t             identity;
     48         status_t readFromParcel(const Parcel& parcel);
     49         status_t writeToParcel(Parcel* parcel) const;
     50     };
     51 
     52     /*
     53      * Requires ACCESS_SURFACE_FLINGER permission
     54      */
     55     virtual sp<ISurface> createSurface( surface_data_t* data,
     56                                         const String8& name,
     57                                         DisplayID display,
     58                                         uint32_t w,
     59                                         uint32_t h,
     60                                         PixelFormat format,
     61                                         uint32_t flags) = 0;
     62 
     63     /*
     64      * Requires ACCESS_SURFACE_FLINGER permission
     65      */
     66     virtual status_t    destroySurface(SurfaceID sid) = 0;
     67 };
     68 
     69 // ----------------------------------------------------------------------------
     70 
     71 class BnSurfaceComposerClient : public BnInterface<ISurfaceComposerClient>
     72 {
     73 public:
     74     virtual status_t    onTransact( uint32_t code,
     75                                     const Parcel& data,
     76                                     Parcel* reply,
     77                                     uint32_t flags = 0);
     78 };
     79 
     80 // ----------------------------------------------------------------------------
     81 
     82 }; // namespace android
     83 
     84 #endif // ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
     85