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_SURFACE_CONTROL_H 18 #define ANDROID_GUI_SURFACE_CONTROL_H 19 20 #include <stdint.h> 21 #include <sys/types.h> 22 23 #include <utils/KeyedVector.h> 24 #include <utils/RefBase.h> 25 #include <utils/threads.h> 26 27 #include <ui/FrameStats.h> 28 #include <ui/PixelFormat.h> 29 #include <ui/Region.h> 30 31 #include <gui/ISurfaceComposerClient.h> 32 #include <math/vec3.h> 33 34 namespace android { 35 36 // --------------------------------------------------------------------------- 37 38 class IGraphicBufferProducer; 39 class Surface; 40 class SurfaceComposerClient; 41 42 // --------------------------------------------------------------------------- 43 44 class SurfaceControl : public RefBase 45 { 46 public: 47 static sp<SurfaceControl> readFromParcel(Parcel* parcel); 48 void writeToParcel(Parcel* parcel); 49 isValid(const sp<SurfaceControl> & surface)50 static bool isValid(const sp<SurfaceControl>& surface) { 51 return (surface != 0) && surface->isValid(); 52 } 53 isValid()54 bool isValid() { 55 return mHandle!=0 && mClient!=0; 56 } 57 58 static bool isSameSurface( 59 const sp<SurfaceControl>& lhs, const sp<SurfaceControl>& rhs); 60 61 // release surface data from java 62 void clear(); 63 64 // disconnect any api that's connected 65 void disconnect(); 66 67 static status_t writeSurfaceToParcel( 68 const sp<SurfaceControl>& control, Parcel* parcel); 69 70 sp<Surface> getSurface() const; 71 sp<Surface> createSurface() const; 72 sp<IBinder> getHandle() const; 73 74 status_t clearLayerFrameStats() const; 75 status_t getLayerFrameStats(FrameStats* outStats) const; 76 77 sp<SurfaceComposerClient> getClient() const; 78 79 SurfaceControl(const sp<SurfaceComposerClient>& client, 80 const sp<IBinder>& handle, 81 const sp<IGraphicBufferProducer>& gbp, 82 bool owned); 83 private: 84 // can't be copied 85 SurfaceControl& operator = (SurfaceControl& rhs); 86 SurfaceControl(const SurfaceControl& rhs); 87 88 friend class SurfaceComposerClient; 89 friend class Surface; 90 91 ~SurfaceControl(); 92 93 sp<Surface> generateSurfaceLocked() const; 94 status_t validate() const; 95 void destroy(); 96 97 sp<SurfaceComposerClient> mClient; 98 sp<IBinder> mHandle; 99 sp<IGraphicBufferProducer> mGraphicBufferProducer; 100 mutable Mutex mLock; 101 mutable sp<Surface> mSurfaceData; 102 bool mOwned; 103 }; 104 105 }; // namespace android 106 107 #endif // ANDROID_GUI_SURFACE_CONTROL_H 108