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      1 /*
      2  * Copyright 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_SURFACEREPLAYER_H
     18 #define ANDROID_SURFACEREPLAYER_H
     19 
     20 #include "BufferQueueScheduler.h"
     21 #include "Color.h"
     22 #include "Event.h"
     23 
     24 #include <frameworks/native/cmds/surfacereplayer/proto/src/trace.pb.h>
     25 
     26 #include <gui/SurfaceComposerClient.h>
     27 #include <gui/SurfaceControl.h>
     28 
     29 #include <utils/Errors.h>
     30 #include <utils/StrongPointer.h>
     31 
     32 #include <stdatomic.h>
     33 #include <condition_variable>
     34 #include <memory>
     35 #include <mutex>
     36 #include <queue>
     37 #include <thread>
     38 #include <unordered_map>
     39 #include <utility>
     40 
     41 namespace android {
     42 
     43 const auto DEFAULT_PATH = "/data/local/tmp/SurfaceTrace.dat";
     44 const auto RAND_COLOR_SEED = 700;
     45 const auto DEFAULT_THREADS = 3;
     46 
     47 typedef int32_t layer_id;
     48 typedef int32_t display_id;
     49 
     50 typedef google::protobuf::RepeatedPtrField<SurfaceChange> SurfaceChanges;
     51 typedef google::protobuf::RepeatedPtrField<DisplayChange> DisplayChanges;
     52 
     53 class Replayer {
     54   public:
     55     Replayer(const std::string& filename, bool replayManually = false,
     56             int numThreads = DEFAULT_THREADS, bool wait = true, nsecs_t stopHere = -1);
     57     Replayer(const Trace& trace, bool replayManually = false, int numThreads = DEFAULT_THREADS,
     58             bool wait = true, nsecs_t stopHere = -1);
     59 
     60     status_t replay();
     61 
     62   private:
     63     status_t initReplay();
     64 
     65     void waitForConsoleCommmand();
     66     static void stopAutoReplayHandler(int signal);
     67 
     68     status_t dispatchEvent(int index);
     69 
     70     status_t doTransaction(const Transaction& transaction, const std::shared_ptr<Event>& event);
     71     status_t createSurfaceControl(const SurfaceCreation& create,
     72             const std::shared_ptr<Event>& event);
     73     status_t injectVSyncEvent(const VSyncEvent& vsyncEvent, const std::shared_ptr<Event>& event);
     74     void createDisplay(const DisplayCreation& create, const std::shared_ptr<Event>& event);
     75     void deleteDisplay(const DisplayDeletion& delete_, const std::shared_ptr<Event>& event);
     76     void updatePowerMode(const PowerModeUpdate& update, const std::shared_ptr<Event>& event);
     77 
     78     status_t doSurfaceTransaction(SurfaceComposerClient::Transaction& transaction,
     79             const SurfaceChanges& surfaceChange);
     80     void doDisplayTransaction(SurfaceComposerClient::Transaction& transaction,
     81             const DisplayChanges& displayChange);
     82 
     83     void setPosition(SurfaceComposerClient::Transaction& t,
     84             layer_id id, const PositionChange& pc);
     85     void setSize(SurfaceComposerClient::Transaction& t,
     86             layer_id id, const SizeChange& sc);
     87     void setAlpha(SurfaceComposerClient::Transaction& t,
     88             layer_id id, const AlphaChange& ac);
     89     void setLayer(SurfaceComposerClient::Transaction& t,
     90             layer_id id, const LayerChange& lc);
     91     void setCrop(SurfaceComposerClient::Transaction& t,
     92             layer_id id, const CropChange& cc);
     93     void setCornerRadius(SurfaceComposerClient::Transaction& t,
     94             layer_id id, const CornerRadiusChange& cc);
     95     void setMatrix(SurfaceComposerClient::Transaction& t,
     96             layer_id id, const MatrixChange& mc);
     97     void setOverrideScalingMode(SurfaceComposerClient::Transaction& t,
     98             layer_id id, const OverrideScalingModeChange& osmc);
     99     void setTransparentRegionHint(SurfaceComposerClient::Transaction& t,
    100             layer_id id, const TransparentRegionHintChange& trgc);
    101     void setLayerStack(SurfaceComposerClient::Transaction& t,
    102             layer_id id, const LayerStackChange& lsc);
    103     void setHiddenFlag(SurfaceComposerClient::Transaction& t,
    104             layer_id id, const HiddenFlagChange& hfc);
    105     void setOpaqueFlag(SurfaceComposerClient::Transaction& t,
    106             layer_id id, const OpaqueFlagChange& ofc);
    107     void setSecureFlag(SurfaceComposerClient::Transaction& t,
    108             layer_id id, const SecureFlagChange& sfc);
    109     void setDeferredTransaction(SurfaceComposerClient::Transaction& t,
    110             layer_id id, const DeferredTransactionChange& dtc);
    111 
    112     void setDisplaySurface(SurfaceComposerClient::Transaction& t,
    113             display_id id, const DispSurfaceChange& dsc);
    114     void setDisplayLayerStack(SurfaceComposerClient::Transaction& t,
    115             display_id id, const LayerStackChange& lsc);
    116     void setDisplaySize(SurfaceComposerClient::Transaction& t,
    117             display_id id, const SizeChange& sc);
    118     void setDisplayProjection(SurfaceComposerClient::Transaction& t,
    119             display_id id, const ProjectionChange& pc);
    120 
    121     void waitUntilTimestamp(int64_t timestamp);
    122     void waitUntilDeferredTransactionLayerExists(
    123             const DeferredTransactionChange& dtc, std::unique_lock<std::mutex>& lock);
    124     status_t loadSurfaceComposerClient();
    125 
    126     Trace mTrace;
    127     bool mLoaded = false;
    128     int32_t mIncrementIndex = 0;
    129     int64_t mCurrentTime = 0;
    130     int32_t mNumThreads = DEFAULT_THREADS;
    131 
    132     Increment mCurrentIncrement;
    133 
    134     std::string mLastInput;
    135 
    136     static atomic_bool sReplayingManually;
    137     bool mWaitingForNextVSync;
    138     bool mWaitForTimeStamps;
    139     nsecs_t mStopTimeStamp;
    140     bool mHasStopped;
    141 
    142     std::mutex mLayerLock;
    143     std::condition_variable mLayerCond;
    144     std::unordered_map<layer_id, sp<SurfaceControl>> mLayers;
    145     std::unordered_map<layer_id, HSV> mColors;
    146 
    147     std::mutex mPendingLayersLock;
    148     std::vector<layer_id> mLayersPendingRemoval;
    149 
    150     std::mutex mBufferQueueSchedulerLock;
    151     std::unordered_map<layer_id, std::shared_ptr<BufferQueueScheduler>> mBufferQueueSchedulers;
    152 
    153     std::mutex mDisplayLock;
    154     std::condition_variable mDisplayCond;
    155     std::unordered_map<display_id, sp<IBinder>> mDisplays;
    156 
    157     sp<SurfaceComposerClient> mComposerClient;
    158     std::queue<std::shared_ptr<Event>> mPendingIncrements;
    159 };
    160 
    161 }  // namespace android
    162 #endif
    163