| /* | 
 |  * Copyright (C) 2007 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | // tag as surfaceflinger | 
 | #define LOG_TAG "SurfaceFlinger" | 
 |  | 
 | #include <stdint.h> | 
 | #include <sys/types.h> | 
 |  | 
 | #include <binder/Parcel.h> | 
 | #include <binder/IPCThreadState.h> | 
 | #include <binder/IServiceManager.h> | 
 |  | 
 | #include <gui/IDisplayEventConnection.h> | 
 | #include <gui/IGraphicBufferProducer.h> | 
 | #include <gui/ISurfaceComposer.h> | 
 | #include <gui/ISurfaceComposerClient.h> | 
 | #include <gui/LayerDebugInfo.h> | 
 | #include <gui/LayerState.h> | 
 |  | 
 | #include <system/graphics.h> | 
 |  | 
 | #include <ui/DisplayInfo.h> | 
 | #include <ui/DisplayStatInfo.h> | 
 | #include <ui/HdrCapabilities.h> | 
 |  | 
 | #include <utils/Log.h> | 
 |  | 
 | // --------------------------------------------------------------------------- | 
 |  | 
 | namespace android { | 
 |  | 
 | class BpSurfaceComposer : public BpInterface<ISurfaceComposer> | 
 | { | 
 | public: | 
 |     explicit BpSurfaceComposer(const sp<IBinder>& impl) | 
 |         : BpInterface<ISurfaceComposer>(impl) | 
 |     { | 
 |     } | 
 |  | 
 |     virtual ~BpSurfaceComposer(); | 
 |  | 
 |     virtual sp<ISurfaceComposerClient> createConnection() | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply); | 
 |         return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder()); | 
 |     } | 
 |  | 
 |     virtual sp<ISurfaceComposerClient> createScopedConnection( | 
 |             const sp<IGraphicBufferProducer>& parent) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(IInterface::asBinder(parent)); | 
 |         remote()->transact(BnSurfaceComposer::CREATE_SCOPED_CONNECTION, data, &reply); | 
 |         return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder()); | 
 |     } | 
 |  | 
 |     virtual void setTransactionState( | 
 |             const Vector<ComposerState>& state, | 
 |             const Vector<DisplayState>& displays, | 
 |             uint32_t flags) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |  | 
 |         data.writeUint32(static_cast<uint32_t>(state.size())); | 
 |         for (const auto& s : state) { | 
 |             s.write(data); | 
 |         } | 
 |  | 
 |         data.writeUint32(static_cast<uint32_t>(displays.size())); | 
 |         for (const auto& d : displays) { | 
 |             d.write(data); | 
 |         } | 
 |  | 
 |         data.writeUint32(flags); | 
 |         remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply); | 
 |     } | 
 |  | 
 |     virtual void bootFinished() | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply); | 
 |     } | 
 |  | 
 |     virtual status_t captureScreen(const sp<IBinder>& display, | 
 |             const sp<IGraphicBufferProducer>& producer, | 
 |             Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight, | 
 |             int32_t minLayerZ, int32_t maxLayerZ, | 
 |             bool useIdentityTransform, | 
 |             ISurfaceComposer::Rotation rotation) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         data.writeStrongBinder(IInterface::asBinder(producer)); | 
 |         data.write(sourceCrop); | 
 |         data.writeUint32(reqWidth); | 
 |         data.writeUint32(reqHeight); | 
 |         data.writeInt32(minLayerZ); | 
 |         data.writeInt32(maxLayerZ); | 
 |         data.writeInt32(static_cast<int32_t>(useIdentityTransform)); | 
 |         data.writeInt32(static_cast<int32_t>(rotation)); | 
 |         remote()->transact(BnSurfaceComposer::CAPTURE_SCREEN, data, &reply); | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual bool authenticateSurfaceTexture( | 
 |             const sp<IGraphicBufferProducer>& bufferProducer) const | 
 |     { | 
 |         Parcel data, reply; | 
 |         int err = NO_ERROR; | 
 |         err = data.writeInterfaceToken( | 
 |                 ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (err != NO_ERROR) { | 
 |             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing " | 
 |                     "interface descriptor: %s (%d)", strerror(-err), -err); | 
 |             return false; | 
 |         } | 
 |         err = data.writeStrongBinder(IInterface::asBinder(bufferProducer)); | 
 |         if (err != NO_ERROR) { | 
 |             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing " | 
 |                     "strong binder to parcel: %s (%d)", strerror(-err), -err); | 
 |             return false; | 
 |         } | 
 |         err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data, | 
 |                 &reply); | 
 |         if (err != NO_ERROR) { | 
 |             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error " | 
 |                     "performing transaction: %s (%d)", strerror(-err), -err); | 
 |             return false; | 
 |         } | 
 |         int32_t result = 0; | 
 |         err = reply.readInt32(&result); | 
 |         if (err != NO_ERROR) { | 
 |             ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error " | 
 |                     "retrieving result: %s (%d)", strerror(-err), -err); | 
 |             return false; | 
 |         } | 
 |         return result != 0; | 
 |     } | 
 |  | 
 |     virtual status_t getSupportedFrameTimestamps( | 
 |             std::vector<FrameEvent>* outSupported) const { | 
 |         if (!outSupported) { | 
 |             return UNEXPECTED_NULL; | 
 |         } | 
 |         outSupported->clear(); | 
 |  | 
 |         Parcel data, reply; | 
 |  | 
 |         status_t err = data.writeInterfaceToken( | 
 |                 ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |  | 
 |         err = remote()->transact( | 
 |                 BnSurfaceComposer::GET_SUPPORTED_FRAME_TIMESTAMPS, | 
 |                 data, &reply); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |  | 
 |         int32_t result = 0; | 
 |         err = reply.readInt32(&result); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |         if (result != NO_ERROR) { | 
 |             return result; | 
 |         } | 
 |  | 
 |         std::vector<int32_t> supported; | 
 |         err = reply.readInt32Vector(&supported); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |  | 
 |         outSupported->reserve(supported.size()); | 
 |         for (int32_t s : supported) { | 
 |             outSupported->push_back(static_cast<FrameEvent>(s)); | 
 |         } | 
 |         return NO_ERROR; | 
 |     } | 
 |  | 
 |     virtual sp<IDisplayEventConnection> createDisplayEventConnection(VsyncSource vsyncSource) | 
 |     { | 
 |         Parcel data, reply; | 
 |         sp<IDisplayEventConnection> result; | 
 |         int err = data.writeInterfaceToken( | 
 |                 ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (err != NO_ERROR) { | 
 |             return result; | 
 |         } | 
 |         data.writeInt32(static_cast<int32_t>(vsyncSource)); | 
 |         err = remote()->transact( | 
 |                 BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION, | 
 |                 data, &reply); | 
 |         if (err != NO_ERROR) { | 
 |             ALOGE("ISurfaceComposer::createDisplayEventConnection: error performing " | 
 |                     "transaction: %s (%d)", strerror(-err), -err); | 
 |             return result; | 
 |         } | 
 |         result = interface_cast<IDisplayEventConnection>(reply.readStrongBinder()); | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual sp<IBinder> createDisplay(const String8& displayName, bool secure) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeString8(displayName); | 
 |         data.writeInt32(secure ? 1 : 0); | 
 |         remote()->transact(BnSurfaceComposer::CREATE_DISPLAY, data, &reply); | 
 |         return reply.readStrongBinder(); | 
 |     } | 
 |  | 
 |     virtual void destroyDisplay(const sp<IBinder>& display) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         remote()->transact(BnSurfaceComposer::DESTROY_DISPLAY, data, &reply); | 
 |     } | 
 |  | 
 |     virtual sp<IBinder> getBuiltInDisplay(int32_t id) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeInt32(id); | 
 |         remote()->transact(BnSurfaceComposer::GET_BUILT_IN_DISPLAY, data, &reply); | 
 |         return reply.readStrongBinder(); | 
 |     } | 
 |  | 
 |     virtual void setPowerMode(const sp<IBinder>& display, int mode) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         data.writeInt32(mode); | 
 |         remote()->transact(BnSurfaceComposer::SET_POWER_MODE, data, &reply); | 
 |     } | 
 |  | 
 |     virtual status_t getDisplayConfigs(const sp<IBinder>& display, | 
 |             Vector<DisplayInfo>* configs) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         remote()->transact(BnSurfaceComposer::GET_DISPLAY_CONFIGS, data, &reply); | 
 |         status_t result = reply.readInt32(); | 
 |         if (result == NO_ERROR) { | 
 |             size_t numConfigs = reply.readUint32(); | 
 |             configs->clear(); | 
 |             configs->resize(numConfigs); | 
 |             for (size_t c = 0; c < numConfigs; ++c) { | 
 |                 memcpy(&(configs->editItemAt(c)), | 
 |                         reply.readInplace(sizeof(DisplayInfo)), | 
 |                         sizeof(DisplayInfo)); | 
 |             } | 
 |         } | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual status_t getDisplayStats(const sp<IBinder>& display, | 
 |             DisplayStatInfo* stats) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         remote()->transact(BnSurfaceComposer::GET_DISPLAY_STATS, data, &reply); | 
 |         status_t result = reply.readInt32(); | 
 |         if (result == NO_ERROR) { | 
 |             memcpy(stats, | 
 |                     reply.readInplace(sizeof(DisplayStatInfo)), | 
 |                     sizeof(DisplayStatInfo)); | 
 |         } | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual int getActiveConfig(const sp<IBinder>& display) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         remote()->transact(BnSurfaceComposer::GET_ACTIVE_CONFIG, data, &reply); | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual status_t setActiveConfig(const sp<IBinder>& display, int id) | 
 |     { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(display); | 
 |         data.writeInt32(id); | 
 |         remote()->transact(BnSurfaceComposer::SET_ACTIVE_CONFIG, data, &reply); | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual status_t getDisplayColorModes(const sp<IBinder>& display, | 
 |             Vector<android_color_mode_t>* outColorModes) { | 
 |         Parcel data, reply; | 
 |         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getDisplayColorModes failed to writeInterfaceToken: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = data.writeStrongBinder(display); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getDisplayColorModes failed to writeStrongBinder: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = remote()->transact(BnSurfaceComposer::GET_DISPLAY_COLOR_MODES, data, &reply); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getDisplayColorModes failed to transact: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = static_cast<status_t>(reply.readInt32()); | 
 |         if (result == NO_ERROR) { | 
 |             size_t numModes = reply.readUint32(); | 
 |             outColorModes->clear(); | 
 |             outColorModes->resize(numModes); | 
 |             for (size_t i = 0; i < numModes; ++i) { | 
 |                 outColorModes->replaceAt(static_cast<android_color_mode_t>(reply.readInt32()), i); | 
 |             } | 
 |         } | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual android_color_mode_t getActiveColorMode(const sp<IBinder>& display) { | 
 |         Parcel data, reply; | 
 |         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getActiveColorMode failed to writeInterfaceToken: %d", result); | 
 |             return static_cast<android_color_mode_t>(result); | 
 |         } | 
 |         result = data.writeStrongBinder(display); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getActiveColorMode failed to writeStrongBinder: %d", result); | 
 |             return static_cast<android_color_mode_t>(result); | 
 |         } | 
 |         result = remote()->transact(BnSurfaceComposer::GET_ACTIVE_COLOR_MODE, data, &reply); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getActiveColorMode failed to transact: %d", result); | 
 |             return static_cast<android_color_mode_t>(result); | 
 |         } | 
 |         return static_cast<android_color_mode_t>(reply.readInt32()); | 
 |     } | 
 |  | 
 |     virtual status_t setActiveColorMode(const sp<IBinder>& display, | 
 |             android_color_mode_t colorMode) { | 
 |         Parcel data, reply; | 
 |         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("setActiveColorMode failed to writeInterfaceToken: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = data.writeStrongBinder(display); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("setActiveColorMode failed to writeStrongBinder: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = data.writeInt32(colorMode); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("setActiveColorMode failed to writeInt32: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = remote()->transact(BnSurfaceComposer::SET_ACTIVE_COLOR_MODE, data, &reply); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("setActiveColorMode failed to transact: %d", result); | 
 |             return result; | 
 |         } | 
 |         return static_cast<status_t>(reply.readInt32()); | 
 |     } | 
 |  | 
 |     virtual status_t clearAnimationFrameStats() { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         remote()->transact(BnSurfaceComposer::CLEAR_ANIMATION_FRAME_STATS, data, &reply); | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual status_t getAnimationFrameStats(FrameStats* outStats) const { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         remote()->transact(BnSurfaceComposer::GET_ANIMATION_FRAME_STATS, data, &reply); | 
 |         reply.read(*outStats); | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual status_t getHdrCapabilities(const sp<IBinder>& display, | 
 |             HdrCapabilities* outCapabilities) const { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         status_t result = data.writeStrongBinder(display); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getHdrCapabilities failed to writeStrongBinder: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = remote()->transact(BnSurfaceComposer::GET_HDR_CAPABILITIES, | 
 |                 data, &reply); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("getHdrCapabilities failed to transact: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = reply.readInt32(); | 
 |         if (result == NO_ERROR) { | 
 |             result = reply.read(*outCapabilities); | 
 |         } | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual status_t enableVSyncInjections(bool enable) { | 
 |         Parcel data, reply; | 
 |         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("enableVSyncInjections failed to writeInterfaceToken: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = data.writeBool(enable); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("enableVSyncInjections failed to writeBool: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = remote()->transact(BnSurfaceComposer::ENABLE_VSYNC_INJECTIONS, | 
 |                 data, &reply, TF_ONE_WAY); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("enableVSyncInjections failed to transact: %d", result); | 
 |             return result; | 
 |         } | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual status_t injectVSync(nsecs_t when) { | 
 |         Parcel data, reply; | 
 |         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("injectVSync failed to writeInterfaceToken: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = data.writeInt64(when); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("injectVSync failed to writeInt64: %d", result); | 
 |             return result; | 
 |         } | 
 |         result = remote()->transact(BnSurfaceComposer::INJECT_VSYNC, data, &reply, TF_ONE_WAY); | 
 |         if (result != NO_ERROR) { | 
 |             ALOGE("injectVSync failed to transact: %d", result); | 
 |             return result; | 
 |         } | 
 |         return result; | 
 |     } | 
 |  | 
 |     virtual status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const | 
 |     { | 
 |         if (!outLayers) { | 
 |             return UNEXPECTED_NULL; | 
 |         } | 
 |  | 
 |         Parcel data, reply; | 
 |  | 
 |         status_t err = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor()); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |  | 
 |         err = remote()->transact(BnSurfaceComposer::GET_LAYER_DEBUG_INFO, data, &reply); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |  | 
 |         int32_t result = 0; | 
 |         err = reply.readInt32(&result); | 
 |         if (err != NO_ERROR) { | 
 |             return err; | 
 |         } | 
 |         if (result != NO_ERROR) { | 
 |             return result; | 
 |         } | 
 |  | 
 |         outLayers->clear(); | 
 |         return reply.readParcelableVector(outLayers); | 
 |     } | 
 | }; | 
 |  | 
 | // Out-of-line virtual method definition to trigger vtable emission in this | 
 | // translation unit (see clang warning -Wweak-vtables) | 
 | BpSurfaceComposer::~BpSurfaceComposer() {} | 
 |  | 
 | IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer"); | 
 |  | 
 | // ---------------------------------------------------------------------- | 
 |  | 
 | status_t BnSurfaceComposer::onTransact( | 
 |     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) | 
 | { | 
 |     switch(code) { | 
 |         case CREATE_CONNECTION: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> b = IInterface::asBinder(createConnection()); | 
 |             reply->writeStrongBinder(b); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case CREATE_SCOPED_CONNECTION: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IGraphicBufferProducer> bufferProducer = | 
 |                 interface_cast<IGraphicBufferProducer>(data.readStrongBinder()); | 
 |             sp<IBinder> b = IInterface::asBinder(createScopedConnection(bufferProducer)); | 
 |             reply->writeStrongBinder(b); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case SET_TRANSACTION_STATE: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |  | 
 |             size_t count = data.readUint32(); | 
 |             if (count > data.dataSize()) { | 
 |                 return BAD_VALUE; | 
 |             } | 
 |             ComposerState s; | 
 |             Vector<ComposerState> state; | 
 |             state.setCapacity(count); | 
 |             for (size_t i = 0; i < count; i++) { | 
 |                 if (s.read(data) == BAD_VALUE) { | 
 |                     return BAD_VALUE; | 
 |                 } | 
 |                 state.add(s); | 
 |             } | 
 |  | 
 |             count = data.readUint32(); | 
 |             if (count > data.dataSize()) { | 
 |                 return BAD_VALUE; | 
 |             } | 
 |             DisplayState d; | 
 |             Vector<DisplayState> displays; | 
 |             displays.setCapacity(count); | 
 |             for (size_t i = 0; i < count; i++) { | 
 |                 if (d.read(data) == BAD_VALUE) { | 
 |                     return BAD_VALUE; | 
 |                 } | 
 |                 displays.add(d); | 
 |             } | 
 |  | 
 |             uint32_t stateFlags = data.readUint32(); | 
 |             setTransactionState(state, displays, stateFlags); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case BOOT_FINISHED: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             bootFinished(); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case CAPTURE_SCREEN: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             sp<IGraphicBufferProducer> producer = | 
 |                     interface_cast<IGraphicBufferProducer>(data.readStrongBinder()); | 
 |             Rect sourceCrop(Rect::EMPTY_RECT); | 
 |             data.read(sourceCrop); | 
 |             uint32_t reqWidth = data.readUint32(); | 
 |             uint32_t reqHeight = data.readUint32(); | 
 |             int32_t minLayerZ = data.readInt32(); | 
 |             int32_t maxLayerZ = data.readInt32(); | 
 |             bool useIdentityTransform = static_cast<bool>(data.readInt32()); | 
 |             int32_t rotation = data.readInt32(); | 
 |  | 
 |             status_t res = captureScreen(display, producer, | 
 |                     sourceCrop, reqWidth, reqHeight, minLayerZ, maxLayerZ, | 
 |                     useIdentityTransform, | 
 |                     static_cast<ISurfaceComposer::Rotation>(rotation)); | 
 |             reply->writeInt32(res); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case AUTHENTICATE_SURFACE: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IGraphicBufferProducer> bufferProducer = | 
 |                     interface_cast<IGraphicBufferProducer>(data.readStrongBinder()); | 
 |             int32_t result = authenticateSurfaceTexture(bufferProducer) ? 1 : 0; | 
 |             reply->writeInt32(result); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_SUPPORTED_FRAME_TIMESTAMPS: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             std::vector<FrameEvent> supportedTimestamps; | 
 |             status_t result = getSupportedFrameTimestamps(&supportedTimestamps); | 
 |             status_t err = reply->writeInt32(result); | 
 |             if (err != NO_ERROR) { | 
 |                 return err; | 
 |             } | 
 |             if (result != NO_ERROR) { | 
 |                 return result; | 
 |             } | 
 |  | 
 |             std::vector<int32_t> supported; | 
 |             supported.reserve(supportedTimestamps.size()); | 
 |             for (FrameEvent s : supportedTimestamps) { | 
 |                 supported.push_back(static_cast<int32_t>(s)); | 
 |             } | 
 |             return reply->writeInt32Vector(supported); | 
 |         } | 
 |         case CREATE_DISPLAY_EVENT_CONNECTION: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IDisplayEventConnection> connection(createDisplayEventConnection( | 
 |                     static_cast<ISurfaceComposer::VsyncSource>(data.readInt32()))); | 
 |             reply->writeStrongBinder(IInterface::asBinder(connection)); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case CREATE_DISPLAY: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             String8 displayName = data.readString8(); | 
 |             bool secure = bool(data.readInt32()); | 
 |             sp<IBinder> display(createDisplay(displayName, secure)); | 
 |             reply->writeStrongBinder(display); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case DESTROY_DISPLAY: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             destroyDisplay(display); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_BUILT_IN_DISPLAY: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             int32_t id = data.readInt32(); | 
 |             sp<IBinder> display(getBuiltInDisplay(id)); | 
 |             reply->writeStrongBinder(display); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_DISPLAY_CONFIGS: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             Vector<DisplayInfo> configs; | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             status_t result = getDisplayConfigs(display, &configs); | 
 |             reply->writeInt32(result); | 
 |             if (result == NO_ERROR) { | 
 |                 reply->writeUint32(static_cast<uint32_t>(configs.size())); | 
 |                 for (size_t c = 0; c < configs.size(); ++c) { | 
 |                     memcpy(reply->writeInplace(sizeof(DisplayInfo)), | 
 |                             &configs[c], sizeof(DisplayInfo)); | 
 |                 } | 
 |             } | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_DISPLAY_STATS: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             DisplayStatInfo stats; | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             status_t result = getDisplayStats(display, &stats); | 
 |             reply->writeInt32(result); | 
 |             if (result == NO_ERROR) { | 
 |                 memcpy(reply->writeInplace(sizeof(DisplayStatInfo)), | 
 |                         &stats, sizeof(DisplayStatInfo)); | 
 |             } | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_ACTIVE_CONFIG: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             int id = getActiveConfig(display); | 
 |             reply->writeInt32(id); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case SET_ACTIVE_CONFIG: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             int id = data.readInt32(); | 
 |             status_t result = setActiveConfig(display, id); | 
 |             reply->writeInt32(result); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_DISPLAY_COLOR_MODES: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             Vector<android_color_mode_t> colorModes; | 
 |             sp<IBinder> display = nullptr; | 
 |             status_t result = data.readStrongBinder(&display); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("getDisplayColorModes failed to readStrongBinder: %d", result); | 
 |                 return result; | 
 |             } | 
 |             result = getDisplayColorModes(display, &colorModes); | 
 |             reply->writeInt32(result); | 
 |             if (result == NO_ERROR) { | 
 |                 reply->writeUint32(static_cast<uint32_t>(colorModes.size())); | 
 |                 for (size_t i = 0; i < colorModes.size(); ++i) { | 
 |                     reply->writeInt32(colorModes[i]); | 
 |                 } | 
 |             } | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_ACTIVE_COLOR_MODE: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = nullptr; | 
 |             status_t result = data.readStrongBinder(&display); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("getActiveColorMode failed to readStrongBinder: %d", result); | 
 |                 return result; | 
 |             } | 
 |             android_color_mode_t colorMode = getActiveColorMode(display); | 
 |             result = reply->writeInt32(static_cast<int32_t>(colorMode)); | 
 |             return result; | 
 |         } | 
 |         case SET_ACTIVE_COLOR_MODE: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = nullptr; | 
 |             status_t result = data.readStrongBinder(&display); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("getActiveColorMode failed to readStrongBinder: %d", result); | 
 |                 return result; | 
 |             } | 
 |             int32_t colorModeInt = 0; | 
 |             result = data.readInt32(&colorModeInt); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("setActiveColorMode failed to readInt32: %d", result); | 
 |                 return result; | 
 |             } | 
 |             result = setActiveColorMode(display, | 
 |                     static_cast<android_color_mode_t>(colorModeInt)); | 
 |             result = reply->writeInt32(result); | 
 |             return result; | 
 |         } | 
 |         case CLEAR_ANIMATION_FRAME_STATS: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             status_t result = clearAnimationFrameStats(); | 
 |             reply->writeInt32(result); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_ANIMATION_FRAME_STATS: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             FrameStats stats; | 
 |             status_t result = getAnimationFrameStats(&stats); | 
 |             reply->write(stats); | 
 |             reply->writeInt32(result); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case SET_POWER_MODE: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = data.readStrongBinder(); | 
 |             int32_t mode = data.readInt32(); | 
 |             setPowerMode(display, mode); | 
 |             return NO_ERROR; | 
 |         } | 
 |         case GET_HDR_CAPABILITIES: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             sp<IBinder> display = nullptr; | 
 |             status_t result = data.readStrongBinder(&display); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("getHdrCapabilities failed to readStrongBinder: %d", | 
 |                         result); | 
 |                 return result; | 
 |             } | 
 |             HdrCapabilities capabilities; | 
 |             result = getHdrCapabilities(display, &capabilities); | 
 |             reply->writeInt32(result); | 
 |             if (result == NO_ERROR) { | 
 |                 reply->write(capabilities); | 
 |             } | 
 |             return NO_ERROR; | 
 |         } | 
 |         case ENABLE_VSYNC_INJECTIONS: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             bool enable = false; | 
 |             status_t result = data.readBool(&enable); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("enableVSyncInjections failed to readBool: %d", result); | 
 |                 return result; | 
 |             } | 
 |             return enableVSyncInjections(enable); | 
 |         } | 
 |         case INJECT_VSYNC: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             int64_t when = 0; | 
 |             status_t result = data.readInt64(&when); | 
 |             if (result != NO_ERROR) { | 
 |                 ALOGE("enableVSyncInjections failed to readInt64: %d", result); | 
 |                 return result; | 
 |             } | 
 |             return injectVSync(when); | 
 |         } | 
 |         case GET_LAYER_DEBUG_INFO: { | 
 |             CHECK_INTERFACE(ISurfaceComposer, data, reply); | 
 |             std::vector<LayerDebugInfo> outLayers; | 
 |             status_t result = getLayerDebugInfo(&outLayers); | 
 |             reply->writeInt32(result); | 
 |             if (result == NO_ERROR) | 
 |             { | 
 |                 result = reply->writeParcelableVector(outLayers); | 
 |             } | 
 |             return result; | 
 |         } | 
 |         default: { | 
 |             return BBinder::onTransact(code, data, reply, flags); | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | // ---------------------------------------------------------------------------- | 
 |  | 
 | }; |