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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/FrameStats.h>
     29 #include <ui/PixelFormat.h>
     30 
     31 namespace android {
     32 // ----------------------------------------------------------------------------
     33 
     34 class IGraphicBufferProducer;
     35 
     36 class ISurfaceComposerClient : public IInterface
     37 {
     38 public:
     39     DECLARE_META_INTERFACE(SurfaceComposerClient);
     40 
     41     // flags for createSurface()
     42     enum { // (keep in sync with Surface.java)
     43         eHidden             = 0x00000004,
     44         eDestroyBackbuffer  = 0x00000020,
     45         eSecure             = 0x00000080,
     46         eNonPremultiplied   = 0x00000100,
     47         eOpaque             = 0x00000400,
     48         eProtectedByApp     = 0x00000800,
     49         eProtectedByDRM     = 0x00001000,
     50         eCursorWindow       = 0x00002000,
     51 
     52         eFXSurfaceNormal    = 0x00000000,
     53         eFXSurfaceDim       = 0x00020000,
     54         eFXSurfaceMask      = 0x000F0000,
     55     };
     56 
     57     /*
     58      * Requires ACCESS_SURFACE_FLINGER permission
     59      */
     60     virtual status_t createSurface(
     61             const String8& name, uint32_t w, uint32_t h,
     62             PixelFormat format, uint32_t flags,
     63             sp<IBinder>* handle,
     64             sp<IGraphicBufferProducer>* gbp) = 0;
     65 
     66     /*
     67      * Requires ACCESS_SURFACE_FLINGER permission
     68      */
     69     virtual status_t destroySurface(const sp<IBinder>& handle) = 0;
     70 
     71     /*
     72      * Requires ACCESS_SURFACE_FLINGER permission
     73      */
     74     virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const = 0;
     75 
     76     /*
     77      * Requires ACCESS_SURFACE_FLINGER permission
     78      */
     79     virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const = 0;
     80 };
     81 
     82 // ----------------------------------------------------------------------------
     83 
     84 class BnSurfaceComposerClient: public BnInterface<ISurfaceComposerClient> {
     85 public:
     86     virtual status_t onTransact(uint32_t code, const Parcel& data,
     87             Parcel* reply, uint32_t flags = 0);
     88 };
     89 
     90 // ----------------------------------------------------------------------------
     91 
     92 }; // namespace android
     93 
     94 #endif // ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
     95