|  | /* | 
|  | * 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. | 
|  | */ | 
|  |  | 
|  | #define LOG_TAG "SurfaceComposerClient" | 
|  |  | 
|  | #include <stdint.h> | 
|  | #include <sys/types.h> | 
|  |  | 
|  | #include <utils/Errors.h> | 
|  | #include <utils/Log.h> | 
|  | #include <utils/SortedVector.h> | 
|  | #include <utils/String8.h> | 
|  | #include <utils/threads.h> | 
|  |  | 
|  | #include <binder/IPCThreadState.h> | 
|  | #include <binder/IServiceManager.h> | 
|  | #include <binder/ProcessState.h> | 
|  |  | 
|  | #include <system/graphics.h> | 
|  |  | 
|  | #include <ui/DisplayInfo.h> | 
|  |  | 
|  | #include <gui/BufferItemConsumer.h> | 
|  | #include <gui/CpuConsumer.h> | 
|  | #include <gui/IGraphicBufferProducer.h> | 
|  | #include <gui/ISurfaceComposer.h> | 
|  | #include <gui/ISurfaceComposerClient.h> | 
|  | #include <gui/LayerState.h> | 
|  | #include <gui/Surface.h> | 
|  | #include <gui/SurfaceComposerClient.h> | 
|  |  | 
|  | #ifndef NO_INPUT | 
|  | #include <input/InputWindow.h> | 
|  | #endif | 
|  |  | 
|  | #include <private/gui/ComposerService.h> | 
|  |  | 
|  | // This server size should always be smaller than the server cache size | 
|  | #define BUFFER_CACHE_MAX_SIZE 64 | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | using ui::ColorMode; | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | ANDROID_SINGLETON_STATIC_INSTANCE(ComposerService); | 
|  |  | 
|  | ComposerService::ComposerService() | 
|  | : Singleton<ComposerService>() { | 
|  | Mutex::Autolock _l(mLock); | 
|  | connectLocked(); | 
|  | } | 
|  |  | 
|  | void ComposerService::connectLocked() { | 
|  | const String16 name("SurfaceFlinger"); | 
|  | while (getService(name, &mComposerService) != NO_ERROR) { | 
|  | usleep(250000); | 
|  | } | 
|  | assert(mComposerService != nullptr); | 
|  |  | 
|  | // Create the death listener. | 
|  | class DeathObserver : public IBinder::DeathRecipient { | 
|  | ComposerService& mComposerService; | 
|  | virtual void binderDied(const wp<IBinder>& who) { | 
|  | ALOGW("ComposerService remote (surfaceflinger) died [%p]", | 
|  | who.unsafe_get()); | 
|  | mComposerService.composerServiceDied(); | 
|  | } | 
|  | public: | 
|  | explicit DeathObserver(ComposerService& mgr) : mComposerService(mgr) { } | 
|  | }; | 
|  |  | 
|  | mDeathObserver = new DeathObserver(*const_cast<ComposerService*>(this)); | 
|  | IInterface::asBinder(mComposerService)->linkToDeath(mDeathObserver); | 
|  | } | 
|  |  | 
|  | /*static*/ sp<ISurfaceComposer> ComposerService::getComposerService() { | 
|  | ComposerService& instance = ComposerService::getInstance(); | 
|  | Mutex::Autolock _l(instance.mLock); | 
|  | if (instance.mComposerService == nullptr) { | 
|  | ComposerService::getInstance().connectLocked(); | 
|  | assert(instance.mComposerService != nullptr); | 
|  | ALOGD("ComposerService reconnected"); | 
|  | } | 
|  | return instance.mComposerService; | 
|  | } | 
|  |  | 
|  | void ComposerService::composerServiceDied() | 
|  | { | 
|  | Mutex::Autolock _l(mLock); | 
|  | mComposerService = nullptr; | 
|  | mDeathObserver = nullptr; | 
|  | } | 
|  |  | 
|  | class DefaultComposerClient: public Singleton<DefaultComposerClient> { | 
|  | Mutex mLock; | 
|  | sp<SurfaceComposerClient> mClient; | 
|  | friend class Singleton<ComposerService>; | 
|  | public: | 
|  | static sp<SurfaceComposerClient> getComposerClient() { | 
|  | DefaultComposerClient& dc = DefaultComposerClient::getInstance(); | 
|  | Mutex::Autolock _l(dc.mLock); | 
|  | if (dc.mClient == nullptr) { | 
|  | dc.mClient = new SurfaceComposerClient; | 
|  | } | 
|  | return dc.mClient; | 
|  | } | 
|  | }; | 
|  | ANDROID_SINGLETON_STATIC_INSTANCE(DefaultComposerClient); | 
|  |  | 
|  |  | 
|  | sp<SurfaceComposerClient> SurfaceComposerClient::getDefault() { | 
|  | return DefaultComposerClient::getComposerClient(); | 
|  | } | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | // TransactionCompletedListener does not use ANDROID_SINGLETON_STATIC_INSTANCE because it needs | 
|  | // to be able to return a sp<> to its instance to pass to SurfaceFlinger. | 
|  | // ANDROID_SINGLETON_STATIC_INSTANCE only allows a reference to an instance. | 
|  |  | 
|  | // 0 is an invalid callback id | 
|  | TransactionCompletedListener::TransactionCompletedListener() : mCallbackIdCounter(1) {} | 
|  |  | 
|  | CallbackId TransactionCompletedListener::getNextIdLocked() { | 
|  | return mCallbackIdCounter++; | 
|  | } | 
|  |  | 
|  | sp<TransactionCompletedListener> TransactionCompletedListener::getInstance() { | 
|  | static sp<TransactionCompletedListener> sInstance = new TransactionCompletedListener; | 
|  | return sInstance; | 
|  | } | 
|  |  | 
|  | sp<ITransactionCompletedListener> TransactionCompletedListener::getIInstance() { | 
|  | return static_cast<sp<ITransactionCompletedListener>>(getInstance()); | 
|  | } | 
|  |  | 
|  | void TransactionCompletedListener::startListeningLocked() { | 
|  | if (mListening) { | 
|  | return; | 
|  | } | 
|  | ProcessState::self()->startThreadPool(); | 
|  | mListening = true; | 
|  | } | 
|  |  | 
|  | CallbackId TransactionCompletedListener::addCallbackFunction( | 
|  | const TransactionCompletedCallback& callbackFunction, | 
|  | const std::unordered_set<sp<SurfaceControl>, SurfaceComposerClient::SCHash>& | 
|  | surfaceControls) { | 
|  | std::lock_guard<std::mutex> lock(mMutex); | 
|  | startListeningLocked(); | 
|  |  | 
|  | CallbackId callbackId = getNextIdLocked(); | 
|  | mCallbacks[callbackId].callbackFunction = callbackFunction; | 
|  |  | 
|  | auto& callbackSurfaceControls = mCallbacks[callbackId].surfaceControls; | 
|  |  | 
|  | for (const auto& surfaceControl : surfaceControls) { | 
|  | callbackSurfaceControls[surfaceControl->getHandle()] = surfaceControl; | 
|  | } | 
|  |  | 
|  | return callbackId; | 
|  | } | 
|  |  | 
|  | void TransactionCompletedListener::addSurfaceControlToCallbacks( | 
|  | const sp<SurfaceControl>& surfaceControl, | 
|  | const std::unordered_set<CallbackId>& callbackIds) { | 
|  | std::lock_guard<std::mutex> lock(mMutex); | 
|  |  | 
|  | for (auto callbackId : callbackIds) { | 
|  | mCallbacks[callbackId].surfaceControls.emplace(std::piecewise_construct, | 
|  | std::forward_as_tuple( | 
|  | surfaceControl->getHandle()), | 
|  | std::forward_as_tuple(surfaceControl)); | 
|  | } | 
|  | } | 
|  |  | 
|  | void TransactionCompletedListener::onTransactionCompleted(ListenerStats listenerStats) { | 
|  | std::lock_guard<std::mutex> lock(mMutex); | 
|  |  | 
|  | /* This listener knows all the sp<IBinder> to sp<SurfaceControl> for all its registered | 
|  | * callbackIds, except for when Transactions are merged together. This probably cannot be | 
|  | * solved before this point because the Transactions could be merged together and applied in a | 
|  | * different process. | 
|  | * | 
|  | * Fortunately, we get all the callbacks for this listener for the same frame together at the | 
|  | * same time. This means if any Transactions were merged together, we will get their callbacks | 
|  | * at the same time. We can combine all the sp<IBinder> to sp<SurfaceControl> maps for all the | 
|  | * callbackIds to generate one super map that contains all the sp<IBinder> to sp<SurfaceControl> | 
|  | * that could possibly exist for the callbacks. | 
|  | */ | 
|  | std::unordered_map<sp<IBinder>, sp<SurfaceControl>, IBinderHash> surfaceControls; | 
|  | for (const auto& [callbackIds, transactionStats] : listenerStats.transactionStats) { | 
|  | for (auto callbackId : callbackIds) { | 
|  | auto& [callbackFunction, callbackSurfaceControls] = mCallbacks[callbackId]; | 
|  | surfaceControls.insert(callbackSurfaceControls.begin(), callbackSurfaceControls.end()); | 
|  | } | 
|  | } | 
|  |  | 
|  | for (const auto& [callbackIds, transactionStats] : listenerStats.transactionStats) { | 
|  | for (auto callbackId : callbackIds) { | 
|  | auto& [callbackFunction, callbackSurfaceControls] = mCallbacks[callbackId]; | 
|  | if (!callbackFunction) { | 
|  | ALOGE("cannot call null callback function, skipping"); | 
|  | continue; | 
|  | } | 
|  | std::vector<SurfaceControlStats> surfaceControlStats; | 
|  | for (const auto& surfaceStats : transactionStats.surfaceStats) { | 
|  | surfaceControlStats.emplace_back(surfaceControls[surfaceStats.surfaceControl], | 
|  | surfaceStats.acquireTime, | 
|  | surfaceStats.previousReleaseFence); | 
|  | } | 
|  |  | 
|  | callbackFunction(transactionStats.latchTime, transactionStats.presentFence, | 
|  | surfaceControlStats); | 
|  | mCallbacks.erase(callbackId); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | void bufferCacheCallback(void* /*context*/, uint64_t graphicBufferId); | 
|  |  | 
|  | class BufferCache : public Singleton<BufferCache> { | 
|  | public: | 
|  | BufferCache() : token(new BBinder()) {} | 
|  |  | 
|  | sp<IBinder> getToken() { | 
|  | return IInterface::asBinder(TransactionCompletedListener::getIInstance()); | 
|  | } | 
|  |  | 
|  | status_t getCacheId(const sp<GraphicBuffer>& buffer, uint64_t* cacheId) { | 
|  | std::lock_guard<std::mutex> lock(mMutex); | 
|  |  | 
|  | auto itr = mBuffers.find(buffer->getId()); | 
|  | if (itr == mBuffers.end()) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | itr->second = getCounter(); | 
|  | *cacheId = buffer->getId(); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | uint64_t cache(const sp<GraphicBuffer>& buffer) { | 
|  | std::lock_guard<std::mutex> lock(mMutex); | 
|  |  | 
|  | if (mBuffers.size() >= BUFFER_CACHE_MAX_SIZE) { | 
|  | evictLeastRecentlyUsedBuffer(); | 
|  | } | 
|  |  | 
|  | buffer->addDeathCallback(bufferCacheCallback, nullptr); | 
|  |  | 
|  | mBuffers[buffer->getId()] = getCounter(); | 
|  | return buffer->getId(); | 
|  | } | 
|  |  | 
|  | void uncache(uint64_t cacheId) { | 
|  | std::lock_guard<std::mutex> lock(mMutex); | 
|  | uncacheLocked(cacheId); | 
|  | } | 
|  |  | 
|  | void uncacheLocked(uint64_t cacheId) REQUIRES(mMutex) { | 
|  | mBuffers.erase(cacheId); | 
|  | SurfaceComposerClient::doUncacheBufferTransaction(cacheId); | 
|  | } | 
|  |  | 
|  | private: | 
|  | void evictLeastRecentlyUsedBuffer() REQUIRES(mMutex) { | 
|  | auto itr = mBuffers.begin(); | 
|  | uint64_t minCounter = itr->second; | 
|  | auto minBuffer = itr; | 
|  | itr++; | 
|  |  | 
|  | while (itr != mBuffers.end()) { | 
|  | uint64_t counter = itr->second; | 
|  | if (counter < minCounter) { | 
|  | minCounter = counter; | 
|  | minBuffer = itr; | 
|  | } | 
|  | itr++; | 
|  | } | 
|  | uncacheLocked(minBuffer->first); | 
|  | } | 
|  |  | 
|  | uint64_t getCounter() REQUIRES(mMutex) { | 
|  | static uint64_t counter = 0; | 
|  | return counter++; | 
|  | } | 
|  |  | 
|  | std::mutex mMutex; | 
|  | std::map<uint64_t /*Cache id*/, uint64_t /*counter*/> mBuffers GUARDED_BY(mMutex); | 
|  |  | 
|  | // Used by ISurfaceComposer to identify which process is sending the cached buffer. | 
|  | sp<IBinder> token; | 
|  | }; | 
|  |  | 
|  | ANDROID_SINGLETON_STATIC_INSTANCE(BufferCache); | 
|  |  | 
|  | void bufferCacheCallback(void* /*context*/, uint64_t graphicBufferId) { | 
|  | // GraphicBuffer id's are used as the cache ids. | 
|  | BufferCache::getInstance().uncache(graphicBufferId); | 
|  | } | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | SurfaceComposerClient::Transaction::Transaction(const Transaction& other) | 
|  | : mForceSynchronous(other.mForceSynchronous), | 
|  | mTransactionNestCount(other.mTransactionNestCount), | 
|  | mAnimation(other.mAnimation), | 
|  | mEarlyWakeup(other.mEarlyWakeup), | 
|  | mDesiredPresentTime(other.mDesiredPresentTime) { | 
|  | mDisplayStates = other.mDisplayStates; | 
|  | mComposerStates = other.mComposerStates; | 
|  | mInputWindowCommands = other.mInputWindowCommands; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::merge(Transaction&& other) { | 
|  | for (auto const& kv : other.mComposerStates) { | 
|  | if (mComposerStates.count(kv.first) == 0) { | 
|  | mComposerStates[kv.first] = kv.second; | 
|  | } else { | 
|  | mComposerStates[kv.first].state.merge(kv.second.state); | 
|  | } | 
|  | } | 
|  | other.mComposerStates.clear(); | 
|  |  | 
|  | for (auto const& state : other.mDisplayStates) { | 
|  | ssize_t index = mDisplayStates.indexOf(state); | 
|  | if (index < 0) { | 
|  | mDisplayStates.add(state); | 
|  | } else { | 
|  | mDisplayStates.editItemAt(static_cast<size_t>(index)).merge(state); | 
|  | } | 
|  | } | 
|  | other.mDisplayStates.clear(); | 
|  |  | 
|  | for (const auto& [listener, callbackInfo] : other.mListenerCallbacks) { | 
|  | auto& [callbackIds, surfaceControls] = callbackInfo; | 
|  | mListenerCallbacks[listener].callbackIds.insert(std::make_move_iterator( | 
|  | callbackIds.begin()), | 
|  | std::make_move_iterator(callbackIds.end())); | 
|  | mListenerCallbacks[listener] | 
|  | .surfaceControls.insert(std::make_move_iterator(surfaceControls.begin()), | 
|  | std::make_move_iterator(surfaceControls.end())); | 
|  | } | 
|  | other.mListenerCallbacks.clear(); | 
|  |  | 
|  | mInputWindowCommands.merge(other.mInputWindowCommands); | 
|  | other.mInputWindowCommands.clear(); | 
|  |  | 
|  | mContainsBuffer = other.mContainsBuffer; | 
|  | other.mContainsBuffer = false; | 
|  |  | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::doDropReferenceTransaction(const sp<IBinder>& handle, | 
|  | const sp<ISurfaceComposerClient>& client) { | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  | Vector<ComposerState> composerStates; | 
|  | Vector<DisplayState> displayStates; | 
|  |  | 
|  | ComposerState s; | 
|  | s.client = client; | 
|  | s.state.surface = handle; | 
|  | s.state.what |= layer_state_t::eReparent; | 
|  | s.state.parentHandleForChild = nullptr; | 
|  |  | 
|  | composerStates.add(s); | 
|  | sf->setTransactionState(composerStates, displayStates, 0, nullptr, {}, -1, {}, {}); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::doUncacheBufferTransaction(uint64_t cacheId) { | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  |  | 
|  | cached_buffer_t uncacheBuffer; | 
|  | uncacheBuffer.token = BufferCache::getInstance().getToken(); | 
|  | uncacheBuffer.cacheId = cacheId; | 
|  |  | 
|  | sf->setTransactionState({}, {}, 0, nullptr, {}, -1, uncacheBuffer, {}); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::cacheBuffers() { | 
|  | if (!mContainsBuffer) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | size_t count = 0; | 
|  | for (auto& [sc, cs] : mComposerStates) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!(s->what & layer_state_t::eBufferChanged)) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | uint64_t cacheId = 0; | 
|  | status_t ret = BufferCache::getInstance().getCacheId(s->buffer, &cacheId); | 
|  | if (ret == NO_ERROR) { | 
|  | s->what &= ~static_cast<uint32_t>(layer_state_t::eBufferChanged); | 
|  | s->buffer = nullptr; | 
|  | } else { | 
|  | cacheId = BufferCache::getInstance().cache(s->buffer); | 
|  | } | 
|  | s->what |= layer_state_t::eCachedBufferChanged; | 
|  | s->cachedBuffer.token = BufferCache::getInstance().getToken(); | 
|  | s->cachedBuffer.cacheId = cacheId; | 
|  |  | 
|  | // If we have more buffers than the size of the cache, we should stop caching so we don't | 
|  | // evict other buffers in this transaction | 
|  | count++; | 
|  | if (count >= BUFFER_CACHE_MAX_SIZE) { | 
|  | break; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::Transaction::apply(bool synchronous) { | 
|  | if (mStatus != NO_ERROR) { | 
|  | return mStatus; | 
|  | } | 
|  |  | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  |  | 
|  | std::vector<ListenerCallbacks> listenerCallbacks; | 
|  |  | 
|  | // For every listener with registered callbacks | 
|  | for (const auto& [listener, callbackInfo] : mListenerCallbacks) { | 
|  | auto& [callbackIds, surfaceControls] = callbackInfo; | 
|  | if (callbackIds.empty()) { | 
|  | continue; | 
|  | } | 
|  |  | 
|  | listenerCallbacks.emplace_back(listener, std::move(callbackIds)); | 
|  |  | 
|  | // If the listener has any SurfaceControls set on this Transaction update the surface state | 
|  | for (const auto& surfaceControl : surfaceControls) { | 
|  | layer_state_t* s = getLayerState(surfaceControl); | 
|  | if (!s) { | 
|  | ALOGE("failed to get layer state"); | 
|  | continue; | 
|  | } | 
|  | s->what |= layer_state_t::eHasListenerCallbacksChanged; | 
|  | s->hasListenerCallbacks = true; | 
|  | } | 
|  | } | 
|  | mListenerCallbacks.clear(); | 
|  |  | 
|  | cacheBuffers(); | 
|  |  | 
|  | Vector<ComposerState> composerStates; | 
|  | Vector<DisplayState> displayStates; | 
|  | uint32_t flags = 0; | 
|  |  | 
|  | mForceSynchronous |= synchronous; | 
|  |  | 
|  | for (auto const& kv : mComposerStates){ | 
|  | composerStates.add(kv.second); | 
|  | } | 
|  |  | 
|  | mComposerStates.clear(); | 
|  |  | 
|  | displayStates = mDisplayStates; | 
|  | mDisplayStates.clear(); | 
|  |  | 
|  | if (mForceSynchronous) { | 
|  | flags |= ISurfaceComposer::eSynchronous; | 
|  | } | 
|  | if (mAnimation) { | 
|  | flags |= ISurfaceComposer::eAnimation; | 
|  | } | 
|  | if (mEarlyWakeup) { | 
|  | flags |= ISurfaceComposer::eEarlyWakeup; | 
|  | } | 
|  |  | 
|  | mForceSynchronous = false; | 
|  | mAnimation = false; | 
|  | mEarlyWakeup = false; | 
|  |  | 
|  | sp<IBinder> applyToken = IInterface::asBinder(TransactionCompletedListener::getIInstance()); | 
|  | sf->setTransactionState(composerStates, displayStates, flags, applyToken, mInputWindowCommands, | 
|  | mDesiredPresentTime, | 
|  | {} /*uncacheBuffer - only set in doUncacheBufferTransaction*/, | 
|  | listenerCallbacks); | 
|  | mInputWindowCommands.clear(); | 
|  | mStatus = NO_ERROR; | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName, bool secure) { | 
|  | return ComposerService::getComposerService()->createDisplay(displayName, | 
|  | secure); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::destroyDisplay(const sp<IBinder>& display) { | 
|  | return ComposerService::getComposerService()->destroyDisplay(display); | 
|  | } | 
|  |  | 
|  | std::vector<PhysicalDisplayId> SurfaceComposerClient::getPhysicalDisplayIds() { | 
|  | return ComposerService::getComposerService()->getPhysicalDisplayIds(); | 
|  | } | 
|  |  | 
|  | std::optional<PhysicalDisplayId> SurfaceComposerClient::getInternalDisplayId() { | 
|  | return ComposerService::getComposerService()->getInternalDisplayId(); | 
|  | } | 
|  |  | 
|  | sp<IBinder> SurfaceComposerClient::getPhysicalDisplayToken(PhysicalDisplayId displayId) { | 
|  | return ComposerService::getComposerService()->getPhysicalDisplayToken(displayId); | 
|  | } | 
|  |  | 
|  | sp<IBinder> SurfaceComposerClient::getInternalDisplayToken() { | 
|  | return ComposerService::getComposerService()->getInternalDisplayToken(); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::setAnimationTransaction() { | 
|  | mAnimation = true; | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::setEarlyWakeup() { | 
|  | mEarlyWakeup = true; | 
|  | } | 
|  |  | 
|  | layer_state_t* SurfaceComposerClient::Transaction::getLayerState(const sp<SurfaceControl>& sc) { | 
|  | if (mComposerStates.count(sc) == 0) { | 
|  | // we don't have it, add an initialized layer_state to our list | 
|  | ComposerState s; | 
|  | s.client = sc->getClient()->mClient; | 
|  | s.state.surface = sc->getHandle(); | 
|  | mComposerStates[sc] = s; | 
|  | } | 
|  |  | 
|  | return &(mComposerStates[sc].state); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::registerSurfaceControlForCallback( | 
|  | const sp<SurfaceControl>& sc) { | 
|  | auto& callbackInfo = mListenerCallbacks[TransactionCompletedListener::getIInstance()]; | 
|  | callbackInfo.surfaceControls.insert(sc); | 
|  |  | 
|  | TransactionCompletedListener::getInstance() | 
|  | ->addSurfaceControlToCallbacks(sc, callbackInfo.callbackIds); | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setPosition( | 
|  | const sp<SurfaceControl>& sc, float x, float y) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::ePositionChanged; | 
|  | s->x = x; | 
|  | s->y = y; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::show( | 
|  | const sp<SurfaceControl>& sc) { | 
|  | return setFlags(sc, 0, layer_state_t::eLayerHidden); | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::hide( | 
|  | const sp<SurfaceControl>& sc) { | 
|  | return setFlags(sc, layer_state_t::eLayerHidden, layer_state_t::eLayerHidden); | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setSize( | 
|  | const sp<SurfaceControl>& sc, uint32_t w, uint32_t h) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eSizeChanged; | 
|  | s->w = w; | 
|  | s->h = h; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setLayer( | 
|  | const sp<SurfaceControl>& sc, int32_t z) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eLayerChanged; | 
|  | s->z = z; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setRelativeLayer(const sp<SurfaceControl>& sc, const sp<IBinder>& relativeTo, | 
|  | int32_t z) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | } | 
|  | s->what |= layer_state_t::eRelativeLayerChanged; | 
|  | s->relativeLayerHandle = relativeTo; | 
|  | s->z = z; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFlags( | 
|  | const sp<SurfaceControl>& sc, uint32_t flags, | 
|  | uint32_t mask) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | if ((mask & layer_state_t::eLayerOpaque) || | 
|  | (mask & layer_state_t::eLayerHidden) || | 
|  | (mask & layer_state_t::eLayerSecure)) { | 
|  | s->what |= layer_state_t::eFlagsChanged; | 
|  | } | 
|  | s->flags &= ~mask; | 
|  | s->flags |= (flags & mask); | 
|  | s->mask |= mask; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setTransparentRegionHint( | 
|  | const sp<SurfaceControl>& sc, | 
|  | const Region& transparentRegion) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eTransparentRegionChanged; | 
|  | s->transparentRegion = transparentRegion; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setAlpha( | 
|  | const sp<SurfaceControl>& sc, float alpha) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eAlphaChanged; | 
|  | s->alpha = alpha; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setLayerStack( | 
|  | const sp<SurfaceControl>& sc, uint32_t layerStack) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eLayerStackChanged; | 
|  | s->layerStack = layerStack; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setMetadata( | 
|  | const sp<SurfaceControl>& sc, uint32_t key, std::vector<uint8_t> data) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eMetadataChanged; | 
|  | s->metadata.mMap[key] = std::move(data); | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setMatrix( | 
|  | const sp<SurfaceControl>& sc, float dsdx, float dtdx, | 
|  | float dtdy, float dsdy) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eMatrixChanged; | 
|  | layer_state_t::matrix22_t matrix; | 
|  | matrix.dsdx = dsdx; | 
|  | matrix.dtdx = dtdx; | 
|  | matrix.dsdy = dsdy; | 
|  | matrix.dtdy = dtdy; | 
|  | s->matrix = matrix; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setCrop_legacy( | 
|  | const sp<SurfaceControl>& sc, const Rect& crop) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eCropChanged_legacy; | 
|  | s->crop_legacy = crop; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setCornerRadius( | 
|  | const sp<SurfaceControl>& sc, float cornerRadius) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eCornerRadiusChanged; | 
|  | s->cornerRadius = cornerRadius; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& | 
|  | SurfaceComposerClient::Transaction::deferTransactionUntil_legacy(const sp<SurfaceControl>& sc, | 
|  | const sp<IBinder>& handle, | 
|  | uint64_t frameNumber) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eDeferTransaction_legacy; | 
|  | s->barrierHandle_legacy = handle; | 
|  | s->frameNumber_legacy = frameNumber; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& | 
|  | SurfaceComposerClient::Transaction::deferTransactionUntil_legacy(const sp<SurfaceControl>& sc, | 
|  | const sp<Surface>& barrierSurface, | 
|  | uint64_t frameNumber) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eDeferTransaction_legacy; | 
|  | s->barrierGbp_legacy = barrierSurface->getIGraphicBufferProducer(); | 
|  | s->frameNumber_legacy = frameNumber; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::reparentChildren( | 
|  | const sp<SurfaceControl>& sc, | 
|  | const sp<IBinder>& newParentHandle) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eReparentChildren; | 
|  | s->reparentHandle = newParentHandle; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::reparent( | 
|  | const sp<SurfaceControl>& sc, | 
|  | const sp<IBinder>& newParentHandle) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eReparent; | 
|  | s->parentHandleForChild = newParentHandle; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setColor( | 
|  | const sp<SurfaceControl>& sc, | 
|  | const half3& color) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eColorChanged; | 
|  | s->color = color; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBackgroundColor( | 
|  | const sp<SurfaceControl>& sc, const half3& color, float alpha, ui::Dataspace dataspace) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | s->what |= layer_state_t::eBackgroundColorChanged; | 
|  | s->color = color; | 
|  | s->bgColorAlpha = alpha; | 
|  | s->bgColorDataspace = dataspace; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setTransform( | 
|  | const sp<SurfaceControl>& sc, uint32_t transform) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eTransformChanged; | 
|  | s->transform = transform; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& | 
|  | SurfaceComposerClient::Transaction::setTransformToDisplayInverse(const sp<SurfaceControl>& sc, | 
|  | bool transformToDisplayInverse) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eTransformToDisplayInverseChanged; | 
|  | s->transformToDisplayInverse = transformToDisplayInverse; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setCrop( | 
|  | const sp<SurfaceControl>& sc, const Rect& crop) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eCropChanged; | 
|  | s->crop = crop; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setFrame( | 
|  | const sp<SurfaceControl>& sc, const Rect& frame) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eFrameChanged; | 
|  | s->frame = frame; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setBuffer( | 
|  | const sp<SurfaceControl>& sc, const sp<GraphicBuffer>& buffer) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eBufferChanged; | 
|  | s->buffer = buffer; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  |  | 
|  | mContainsBuffer = true; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setAcquireFence( | 
|  | const sp<SurfaceControl>& sc, const sp<Fence>& fence) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eAcquireFenceChanged; | 
|  | s->acquireFence = fence; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setDataspace( | 
|  | const sp<SurfaceControl>& sc, ui::Dataspace dataspace) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eDataspaceChanged; | 
|  | s->dataspace = dataspace; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setHdrMetadata( | 
|  | const sp<SurfaceControl>& sc, const HdrMetadata& hdrMetadata) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eHdrMetadataChanged; | 
|  | s->hdrMetadata = hdrMetadata; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setSurfaceDamageRegion( | 
|  | const sp<SurfaceControl>& sc, const Region& surfaceDamageRegion) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eSurfaceDamageRegionChanged; | 
|  | s->surfaceDamageRegion = surfaceDamageRegion; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setApi( | 
|  | const sp<SurfaceControl>& sc, int32_t api) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eApiChanged; | 
|  | s->api = api; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setSidebandStream( | 
|  | const sp<SurfaceControl>& sc, const sp<NativeHandle>& sidebandStream) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eSidebandStreamChanged; | 
|  | s->sidebandStream = sidebandStream; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setDesiredPresentTime( | 
|  | nsecs_t desiredPresentTime) { | 
|  | mDesiredPresentTime = desiredPresentTime; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setColorSpaceAgnostic( | 
|  | const sp<SurfaceControl>& sc, const bool agnostic) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eColorSpaceAgnosticChanged; | 
|  | s->colorSpaceAgnostic = agnostic; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& | 
|  | SurfaceComposerClient::Transaction::addTransactionCompletedCallback( | 
|  | TransactionCompletedCallbackTakesContext callback, void* callbackContext) { | 
|  | auto listener = TransactionCompletedListener::getInstance(); | 
|  |  | 
|  | auto callbackWithContext = std::bind(callback, callbackContext, std::placeholders::_1, | 
|  | std::placeholders::_2, std::placeholders::_3); | 
|  | const auto& surfaceControls = | 
|  | mListenerCallbacks[TransactionCompletedListener::getIInstance()].surfaceControls; | 
|  |  | 
|  | CallbackId callbackId = listener->addCallbackFunction(callbackWithContext, surfaceControls); | 
|  |  | 
|  | mListenerCallbacks[TransactionCompletedListener::getIInstance()].callbackIds.emplace( | 
|  | callbackId); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::detachChildren( | 
|  | const sp<SurfaceControl>& sc) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | } | 
|  | s->what |= layer_state_t::eDetachChildren; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setOverrideScalingMode( | 
|  | const sp<SurfaceControl>& sc, int32_t overrideScalingMode) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | switch (overrideScalingMode) { | 
|  | case NATIVE_WINDOW_SCALING_MODE_FREEZE: | 
|  | case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: | 
|  | case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: | 
|  | case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP: | 
|  | case -1: | 
|  | break; | 
|  | default: | 
|  | ALOGE("unknown scaling mode: %d", | 
|  | overrideScalingMode); | 
|  | mStatus = BAD_VALUE; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | s->what |= layer_state_t::eOverrideScalingModeChanged; | 
|  | s->overrideScalingMode = overrideScalingMode; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setGeometryAppliesWithResize( | 
|  | const sp<SurfaceControl>& sc) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eGeometryAppliesWithResize; | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | #ifndef NO_INPUT | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setInputWindowInfo( | 
|  | const sp<SurfaceControl>& sc, | 
|  | const InputWindowInfo& info) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->inputInfo = info; | 
|  | s->what |= layer_state_t::eInputInfoChanged; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::transferTouchFocus( | 
|  | const sp<IBinder>& fromToken, const sp<IBinder>& toToken) { | 
|  | InputWindowCommands::TransferTouchFocusCommand transferTouchFocusCommand; | 
|  | transferTouchFocusCommand.fromToken = fromToken; | 
|  | transferTouchFocusCommand.toToken = toToken; | 
|  | mInputWindowCommands.transferTouchFocusCommands.emplace_back(transferTouchFocusCommand); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::syncInputWindows() { | 
|  | mInputWindowCommands.syncInputWindows = true; | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | #endif | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setColorTransform( | 
|  | const sp<SurfaceControl>& sc, const mat3& matrix, const vec3& translation) { | 
|  | layer_state_t* s = getLayerState(sc); | 
|  | if (!s) { | 
|  | mStatus = BAD_INDEX; | 
|  | return *this; | 
|  | } | 
|  | s->what |= layer_state_t::eColorTransformChanged; | 
|  | s->colorTransform = mat4(matrix, translation); | 
|  |  | 
|  | registerSurfaceControlForCallback(sc); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setGeometry( | 
|  | const sp<SurfaceControl>& sc, const Rect& source, const Rect& dst, int transform) { | 
|  | setCrop_legacy(sc, source); | 
|  |  | 
|  | int x = dst.left; | 
|  | int y = dst.top; | 
|  | float xScale = dst.getWidth() / static_cast<float>(source.getWidth()); | 
|  | float yScale = dst.getHeight() / static_cast<float>(source.getHeight()); | 
|  | float matrix[4] = {1, 0, 0, 1}; | 
|  |  | 
|  | switch (transform) { | 
|  | case NATIVE_WINDOW_TRANSFORM_FLIP_H: | 
|  | matrix[0] = -xScale; matrix[1] = 0; | 
|  | matrix[2] = 0; matrix[3] = yScale; | 
|  | x += source.getWidth(); | 
|  | break; | 
|  | case NATIVE_WINDOW_TRANSFORM_FLIP_V: | 
|  | matrix[0] = xScale; matrix[1] = 0; | 
|  | matrix[2] = 0; matrix[3] = -yScale; | 
|  | y += source.getHeight(); | 
|  | break; | 
|  | case NATIVE_WINDOW_TRANSFORM_ROT_90: | 
|  | matrix[0] = 0; matrix[1] = -yScale; | 
|  | matrix[2] = xScale; matrix[3] = 0; | 
|  | x += source.getHeight(); | 
|  | break; | 
|  | case NATIVE_WINDOW_TRANSFORM_ROT_180: | 
|  | matrix[0] = -xScale; matrix[1] = 0; | 
|  | matrix[2] = 0; matrix[3] = -yScale; | 
|  | x += source.getWidth(); | 
|  | y += source.getHeight(); | 
|  | break; | 
|  | case NATIVE_WINDOW_TRANSFORM_ROT_270: | 
|  | matrix[0] = 0; matrix[1] = yScale; | 
|  | matrix[2] = -xScale; matrix[3] = 0; | 
|  | y += source.getWidth(); | 
|  | break; | 
|  | default: | 
|  | matrix[0] = xScale; matrix[1] = 0; | 
|  | matrix[2] = 0; matrix[3] = yScale; | 
|  | break; | 
|  | } | 
|  | setMatrix(sc, matrix[0], matrix[1], matrix[2], matrix[3]); | 
|  | setPosition(sc, x, y); | 
|  |  | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | DisplayState& SurfaceComposerClient::Transaction::getDisplayState(const sp<IBinder>& token) { | 
|  | DisplayState s; | 
|  | s.token = token; | 
|  | ssize_t index = mDisplayStates.indexOf(s); | 
|  | if (index < 0) { | 
|  | // we don't have it, add an initialized layer_state to our list | 
|  | s.what = 0; | 
|  | index = mDisplayStates.add(s); | 
|  | } | 
|  | return mDisplayStates.editItemAt(static_cast<size_t>(index)); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::Transaction::setDisplaySurface(const sp<IBinder>& token, | 
|  | const sp<IGraphicBufferProducer>& bufferProducer) { | 
|  | if (bufferProducer.get() != nullptr) { | 
|  | // Make sure that composition can never be stalled by a virtual display | 
|  | // consumer that isn't processing buffers fast enough. | 
|  | status_t err = bufferProducer->setAsyncMode(true); | 
|  | if (err != NO_ERROR) { | 
|  | ALOGE("Composer::setDisplaySurface Failed to enable async mode on the " | 
|  | "BufferQueue. This BufferQueue cannot be used for virtual " | 
|  | "display. (%d)", err); | 
|  | return err; | 
|  | } | 
|  | } | 
|  | DisplayState& s(getDisplayState(token)); | 
|  | s.surface = bufferProducer; | 
|  | s.what |= DisplayState::eSurfaceChanged; | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::setDisplayLayerStack(const sp<IBinder>& token, | 
|  | uint32_t layerStack) { | 
|  | DisplayState& s(getDisplayState(token)); | 
|  | s.layerStack = layerStack; | 
|  | s.what |= DisplayState::eLayerStackChanged; | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::setDisplayProjection(const sp<IBinder>& token, | 
|  | uint32_t orientation, | 
|  | const Rect& layerStackRect, | 
|  | const Rect& displayRect) { | 
|  | DisplayState& s(getDisplayState(token)); | 
|  | s.orientation = orientation; | 
|  | s.viewport = layerStackRect; | 
|  | s.frame = displayRect; | 
|  | s.what |= DisplayState::eDisplayProjectionChanged; | 
|  | mForceSynchronous = true; // TODO: do we actually still need this? | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::Transaction::setDisplaySize(const sp<IBinder>& token, uint32_t width, uint32_t height) { | 
|  | DisplayState& s(getDisplayState(token)); | 
|  | s.width = width; | 
|  | s.height = height; | 
|  | s.what |= DisplayState::eDisplaySizeChanged; | 
|  | } | 
|  |  | 
|  | // --------------------------------------------------------------------------- | 
|  |  | 
|  | SurfaceComposerClient::SurfaceComposerClient() | 
|  | : mStatus(NO_INIT) | 
|  | { | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::SurfaceComposerClient(const sp<ISurfaceComposerClient>& client) | 
|  | : mStatus(NO_ERROR), mClient(client) | 
|  | { | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::onFirstRef() { | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  | if (sf != nullptr && mStatus == NO_INIT) { | 
|  | sp<ISurfaceComposerClient> conn; | 
|  | conn = sf->createConnection(); | 
|  | if (conn != nullptr) { | 
|  | mClient = conn; | 
|  | mStatus = NO_ERROR; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | SurfaceComposerClient::~SurfaceComposerClient() { | 
|  | dispose(); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::initCheck() const { | 
|  | return mStatus; | 
|  | } | 
|  |  | 
|  | sp<IBinder> SurfaceComposerClient::connection() const { | 
|  | return IInterface::asBinder(mClient); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::linkToComposerDeath( | 
|  | const sp<IBinder::DeathRecipient>& recipient, | 
|  | void* cookie, uint32_t flags) { | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  | return IInterface::asBinder(sf)->linkToDeath(recipient, cookie, flags); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::dispose() { | 
|  | // this can be called more than once. | 
|  | sp<ISurfaceComposerClient> client; | 
|  | Mutex::Autolock _lm(mLock); | 
|  | if (mClient != nullptr) { | 
|  | client = mClient; // hold ref while lock is held | 
|  | mClient.clear(); | 
|  | } | 
|  | mStatus = NO_INIT; | 
|  | } | 
|  |  | 
|  | sp<SurfaceControl> SurfaceComposerClient::createSurface(const String8& name, uint32_t w, uint32_t h, | 
|  | PixelFormat format, uint32_t flags, | 
|  | SurfaceControl* parent, | 
|  | LayerMetadata metadata) { | 
|  | sp<SurfaceControl> s; | 
|  | createSurfaceChecked(name, w, h, format, &s, flags, parent, std::move(metadata)); | 
|  | return s; | 
|  | } | 
|  |  | 
|  | sp<SurfaceControl> SurfaceComposerClient::createWithSurfaceParent(const String8& name, uint32_t w, | 
|  | uint32_t h, PixelFormat format, | 
|  | uint32_t flags, Surface* parent, | 
|  | LayerMetadata metadata) { | 
|  | sp<SurfaceControl> sur; | 
|  | status_t err = mStatus; | 
|  |  | 
|  | if (mStatus == NO_ERROR) { | 
|  | sp<IBinder> handle; | 
|  | sp<IGraphicBufferProducer> parentGbp = parent->getIGraphicBufferProducer(); | 
|  | sp<IGraphicBufferProducer> gbp; | 
|  |  | 
|  | err = mClient->createWithSurfaceParent(name, w, h, format, flags, parentGbp, | 
|  | std::move(metadata), &handle, &gbp); | 
|  | ALOGE_IF(err, "SurfaceComposerClient::createWithSurfaceParent error %s", strerror(-err)); | 
|  | if (err == NO_ERROR) { | 
|  | return new SurfaceControl(this, handle, gbp, true /* owned */); | 
|  | } | 
|  | } | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::createSurfaceChecked(const String8& name, uint32_t w, uint32_t h, | 
|  | PixelFormat format, | 
|  | sp<SurfaceControl>* outSurface, uint32_t flags, | 
|  | SurfaceControl* parent, | 
|  | LayerMetadata metadata) { | 
|  | sp<SurfaceControl> sur; | 
|  | status_t err = mStatus; | 
|  |  | 
|  | if (mStatus == NO_ERROR) { | 
|  | sp<IBinder> handle; | 
|  | sp<IBinder> parentHandle; | 
|  | sp<IGraphicBufferProducer> gbp; | 
|  |  | 
|  | if (parent != nullptr) { | 
|  | parentHandle = parent->getHandle(); | 
|  | } | 
|  |  | 
|  | err = mClient->createSurface(name, w, h, format, flags, parentHandle, std::move(metadata), | 
|  | &handle, &gbp); | 
|  | ALOGE_IF(err, "SurfaceComposerClient::createSurface error %s", strerror(-err)); | 
|  | if (err == NO_ERROR) { | 
|  | *outSurface = new SurfaceControl(this, handle, gbp, true /* owned */); | 
|  | } | 
|  | } | 
|  | return err; | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::clearLayerFrameStats(const sp<IBinder>& token) const { | 
|  | if (mStatus != NO_ERROR) { | 
|  | return mStatus; | 
|  | } | 
|  | return mClient->clearLayerFrameStats(token); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getLayerFrameStats(const sp<IBinder>& token, | 
|  | FrameStats* outStats) const { | 
|  | if (mStatus != NO_ERROR) { | 
|  | return mStatus; | 
|  | } | 
|  | return mClient->getLayerFrameStats(token, outStats); | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | status_t SurfaceComposerClient::enableVSyncInjections(bool enable) { | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  | return sf->enableVSyncInjections(enable); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::injectVSync(nsecs_t when) { | 
|  | sp<ISurfaceComposer> sf(ComposerService::getComposerService()); | 
|  | return sf->injectVSync(when); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getDisplayConfigs( | 
|  | const sp<IBinder>& display, Vector<DisplayInfo>* configs) | 
|  | { | 
|  | return ComposerService::getComposerService()->getDisplayConfigs(display, configs); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getDisplayInfo(const sp<IBinder>& display, | 
|  | DisplayInfo* info) { | 
|  | Vector<DisplayInfo> configs; | 
|  | status_t result = getDisplayConfigs(display, &configs); | 
|  | if (result != NO_ERROR) { | 
|  | return result; | 
|  | } | 
|  |  | 
|  | int activeId = getActiveConfig(display); | 
|  | if (activeId < 0) { | 
|  | ALOGE("No active configuration found"); | 
|  | return NAME_NOT_FOUND; | 
|  | } | 
|  |  | 
|  | *info = configs[static_cast<size_t>(activeId)]; | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | int SurfaceComposerClient::getActiveConfig(const sp<IBinder>& display) { | 
|  | return ComposerService::getComposerService()->getActiveConfig(display); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::setActiveConfig(const sp<IBinder>& display, int id) { | 
|  | return ComposerService::getComposerService()->setActiveConfig(display, id); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::setAllowedDisplayConfigs( | 
|  | const sp<IBinder>& displayToken, const std::vector<int32_t>& allowedConfigs) { | 
|  | return ComposerService::getComposerService()->setAllowedDisplayConfigs(displayToken, | 
|  | allowedConfigs); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getAllowedDisplayConfigs(const sp<IBinder>& displayToken, | 
|  | std::vector<int32_t>* outAllowedConfigs) { | 
|  | return ComposerService::getComposerService()->getAllowedDisplayConfigs(displayToken, | 
|  | outAllowedConfigs); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getDisplayColorModes(const sp<IBinder>& display, | 
|  | Vector<ColorMode>* outColorModes) { | 
|  | return ComposerService::getComposerService()->getDisplayColorModes(display, outColorModes); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getDisplayNativePrimaries(const sp<IBinder>& display, | 
|  | ui::DisplayPrimaries& outPrimaries) { | 
|  | return ComposerService::getComposerService()->getDisplayNativePrimaries(display, outPrimaries); | 
|  | } | 
|  |  | 
|  | ColorMode SurfaceComposerClient::getActiveColorMode(const sp<IBinder>& display) { | 
|  | return ComposerService::getComposerService()->getActiveColorMode(display); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::setActiveColorMode(const sp<IBinder>& display, | 
|  | ColorMode colorMode) { | 
|  | return ComposerService::getComposerService()->setActiveColorMode(display, colorMode); | 
|  | } | 
|  |  | 
|  | void SurfaceComposerClient::setDisplayPowerMode(const sp<IBinder>& token, | 
|  | int mode) { | 
|  | ComposerService::getComposerService()->setPowerMode(token, mode); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getCompositionPreference( | 
|  | ui::Dataspace* defaultDataspace, ui::PixelFormat* defaultPixelFormat, | 
|  | ui::Dataspace* wideColorGamutDataspace, ui::PixelFormat* wideColorGamutPixelFormat) { | 
|  | return ComposerService::getComposerService() | 
|  | ->getCompositionPreference(defaultDataspace, defaultPixelFormat, | 
|  | wideColorGamutDataspace, wideColorGamutPixelFormat); | 
|  | } | 
|  |  | 
|  | bool SurfaceComposerClient::getProtectedContentSupport() { | 
|  | bool supported = false; | 
|  | ComposerService::getComposerService()->getProtectedContentSupport(&supported); | 
|  | return supported; | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::clearAnimationFrameStats() { | 
|  | return ComposerService::getComposerService()->clearAnimationFrameStats(); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getAnimationFrameStats(FrameStats* outStats) { | 
|  | return ComposerService::getComposerService()->getAnimationFrameStats(outStats); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getHdrCapabilities(const sp<IBinder>& display, | 
|  | HdrCapabilities* outCapabilities) { | 
|  | return ComposerService::getComposerService()->getHdrCapabilities(display, | 
|  | outCapabilities); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getDisplayedContentSamplingAttributes(const sp<IBinder>& display, | 
|  | ui::PixelFormat* outFormat, | 
|  | ui::Dataspace* outDataspace, | 
|  | uint8_t* outComponentMask) { | 
|  | return ComposerService::getComposerService() | 
|  | ->getDisplayedContentSamplingAttributes(display, outFormat, outDataspace, | 
|  | outComponentMask); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::setDisplayContentSamplingEnabled(const sp<IBinder>& display, | 
|  | bool enable, uint8_t componentMask, | 
|  | uint64_t maxFrames) { | 
|  | return ComposerService::getComposerService()->setDisplayContentSamplingEnabled(display, enable, | 
|  | componentMask, | 
|  | maxFrames); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::getDisplayedContentSample(const sp<IBinder>& display, | 
|  | uint64_t maxFrames, uint64_t timestamp, | 
|  | DisplayedFrameStats* outStats) { | 
|  | return ComposerService::getComposerService()->getDisplayedContentSample(display, maxFrames, | 
|  | timestamp, outStats); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::isWideColorDisplay(const sp<IBinder>& display, | 
|  | bool* outIsWideColorDisplay) { | 
|  | return ComposerService::getComposerService()->isWideColorDisplay(display, | 
|  | outIsWideColorDisplay); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::addRegionSamplingListener( | 
|  | const Rect& samplingArea, const sp<IBinder>& stopLayerHandle, | 
|  | const sp<IRegionSamplingListener>& listener) { | 
|  | return ComposerService::getComposerService()->addRegionSamplingListener(samplingArea, | 
|  | stopLayerHandle, | 
|  | listener); | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::removeRegionSamplingListener( | 
|  | const sp<IRegionSamplingListener>& listener) { | 
|  | return ComposerService::getComposerService()->removeRegionSamplingListener(listener); | 
|  | } | 
|  |  | 
|  | bool SurfaceComposerClient::getDisplayBrightnessSupport(const sp<IBinder>& displayToken) { | 
|  | bool support = false; | 
|  | ComposerService::getComposerService()->getDisplayBrightnessSupport(displayToken, &support); | 
|  | return support; | 
|  | } | 
|  |  | 
|  | status_t SurfaceComposerClient::setDisplayBrightness(const sp<IBinder>& displayToken, | 
|  | float brightness) { | 
|  | return ComposerService::getComposerService()->setDisplayBrightness(displayToken, brightness); | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | status_t ScreenshotClient::capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace, | 
|  | const ui::PixelFormat reqPixelFormat, Rect sourceCrop, | 
|  | uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform, | 
|  | uint32_t rotation, bool captureSecureLayers, sp<GraphicBuffer>* outBuffer) { | 
|  | sp<ISurfaceComposer> s(ComposerService::getComposerService()); | 
|  | if (s == nullptr) return NO_INIT; | 
|  | status_t ret = s->captureScreen(display, outBuffer, reqDataSpace, reqPixelFormat, sourceCrop, | 
|  | reqWidth, reqHeight, useIdentityTransform, | 
|  | static_cast<ISurfaceComposer::Rotation>(rotation), | 
|  | captureSecureLayers); | 
|  | if (ret != NO_ERROR) { | 
|  | return ret; | 
|  | } | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | status_t ScreenshotClient::capture(const sp<IBinder>& display, const ui::Dataspace reqDataSpace, | 
|  | const ui::PixelFormat reqPixelFormat, Rect sourceCrop, | 
|  | uint32_t reqWidth, uint32_t reqHeight, bool useIdentityTransform, | 
|  | uint32_t rotation, sp<GraphicBuffer>* outBuffer) { | 
|  | return capture(display, reqDataSpace, reqPixelFormat, sourceCrop, reqWidth, | 
|  | reqHeight, useIdentityTransform, rotation, false, outBuffer); | 
|  | } | 
|  |  | 
|  | status_t ScreenshotClient::captureLayers(const sp<IBinder>& layerHandle, | 
|  | const ui::Dataspace reqDataSpace, | 
|  | const ui::PixelFormat reqPixelFormat, Rect sourceCrop, | 
|  | float frameScale, sp<GraphicBuffer>* outBuffer) { | 
|  | sp<ISurfaceComposer> s(ComposerService::getComposerService()); | 
|  | if (s == nullptr) return NO_INIT; | 
|  | status_t ret = s->captureLayers(layerHandle, outBuffer, reqDataSpace, reqPixelFormat, | 
|  | sourceCrop, frameScale, false /* childrenOnly */); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | status_t ScreenshotClient::captureChildLayers(const sp<IBinder>& layerHandle, | 
|  | const ui::Dataspace reqDataSpace, | 
|  | const ui::PixelFormat reqPixelFormat, Rect sourceCrop, | 
|  | float frameScale, sp<GraphicBuffer>* outBuffer) { | 
|  | sp<ISurfaceComposer> s(ComposerService::getComposerService()); | 
|  | if (s == nullptr) return NO_INIT; | 
|  | status_t ret = s->captureLayers(layerHandle, outBuffer, reqDataSpace, reqPixelFormat, | 
|  | sourceCrop, frameScale, true /* childrenOnly */); | 
|  | return ret; | 
|  | } | 
|  | // ---------------------------------------------------------------------------- | 
|  | }; // namespace android |