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135 lines
5.4 KiB
135 lines
5.4 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <condition_variable>
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#include <deque>
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#include <mutex>
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#include <thread>
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#include <unordered_map>
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#include <unordered_set>
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#include <android-base/thread_annotations.h>
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#include <binder/IBinder.h>
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#include <gui/ITransactionCompletedListener.h>
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#include <ui/Fence.h>
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namespace android {
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class CallbackHandle : public RefBase {
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public:
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CallbackHandle(const sp<IBinder>& transactionListener, const std::vector<CallbackId>& ids,
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const sp<IBinder>& sc);
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sp<IBinder> listener;
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std::vector<CallbackId> callbackIds;
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wp<IBinder> surfaceControl;
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bool releasePreviousBuffer = false;
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sp<Fence> previousReleaseFence;
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nsecs_t acquireTime = -1;
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nsecs_t latchTime = -1;
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uint32_t transformHint = 0;
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uint32_t currentMaxAcquiredBufferCount = 0;
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std::shared_ptr<FenceTime> gpuCompositionDoneFence{FenceTime::NO_FENCE};
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CompositorTiming compositorTiming;
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nsecs_t refreshStartTime = 0;
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nsecs_t dequeueReadyTime = 0;
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uint64_t frameNumber = 0;
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ReleaseCallbackId previousReleaseCallbackId = ReleaseCallbackId::INVALID_ID;
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};
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class TransactionCallbackInvoker {
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public:
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~TransactionCallbackInvoker();
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// Adds listener and callbackIds in case there are no SurfaceControls that are supposed
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// to be included in the callback. This functions should be call before attempting to register
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// any callback handles.
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status_t startRegistration(const ListenerCallbacks& listenerCallbacks);
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// Ends the registration. After this is called, no more CallbackHandles will be registered.
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// It is safe to send a callback if the Transaction doesn't have any Pending callback handles.
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status_t endRegistration(const ListenerCallbacks& listenerCallbacks);
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// Informs the TransactionCallbackInvoker that there is a Transaction with a CallbackHandle
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// that needs to be latched and presented this frame. This function should be called once the
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// layer has received the CallbackHandle so the TransactionCallbackInvoker knows not to send
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// a callback for that Listener/Transaction pair until that CallbackHandle has been latched and
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// presented.
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status_t registerPendingCallbackHandle(const sp<CallbackHandle>& handle);
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// Notifies the TransactionCallbackInvoker that a pending CallbackHandle has been presented.
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status_t finalizePendingCallbackHandles(const std::deque<sp<CallbackHandle>>& handles,
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const std::vector<JankData>& jankData);
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status_t finalizeOnCommitCallbackHandles(const std::deque<sp<CallbackHandle>>& handles,
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std::deque<sp<CallbackHandle>>& outRemainingHandles);
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// Adds the Transaction CallbackHandle from a layer that does not need to be relatched and
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// presented this frame.
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status_t registerUnpresentedCallbackHandle(const sp<CallbackHandle>& handle);
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void addPresentFence(const sp<Fence>& presentFence);
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void sendCallbacks();
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private:
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bool isRegisteringTransaction(const sp<IBinder>& transactionListener,
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const std::vector<CallbackId>& callbackIds) REQUIRES(mMutex);
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status_t findTransactionStats(const sp<IBinder>& listener,
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const std::vector<CallbackId>& callbackIds,
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TransactionStats** outTransactionStats) REQUIRES(mMutex);
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status_t addCallbackHandle(const sp<CallbackHandle>& handle,
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const std::vector<JankData>& jankData) REQUIRES(mMutex);
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status_t finalizeCallbackHandle(const sp<CallbackHandle>& handle,
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const std::vector<JankData>& jankData) REQUIRES(mMutex);
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class CallbackDeathRecipient : public IBinder::DeathRecipient {
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public:
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// This function is a no-op. isBinderAlive needs a linked DeathRecipient to work.
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// Death recipients needs a binderDied function.
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//
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// (isBinderAlive checks if BpBinder's mAlive is 0. mAlive is only set to 0 in sendObituary.
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// sendObituary is only called if linkToDeath was called with a DeathRecipient.)
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void binderDied(const wp<IBinder>& /*who*/) override {}
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};
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sp<CallbackDeathRecipient> mDeathRecipient =
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new CallbackDeathRecipient();
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std::mutex mMutex;
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std::condition_variable_any mConditionVariable;
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std::unordered_set<ListenerCallbacks, ListenerCallbacksHash> mRegisteringTransactions
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GUARDED_BY(mMutex);
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std::unordered_map<
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sp<IBinder>,
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std::unordered_map<std::vector<CallbackId>, uint32_t /*count*/, CallbackIdsHash>,
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IListenerHash>
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mPendingTransactions GUARDED_BY(mMutex);
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std::unordered_map<sp<IBinder>, std::deque<TransactionStats>, IListenerHash>
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mCompletedTransactions GUARDED_BY(mMutex);
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sp<Fence> mPresentFence GUARDED_BY(mMutex);
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};
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} // namespace android
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