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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 deleteSurfaceControl(const SurfaceDeletion& delete_,
     74             const std::shared_ptr<Event>& event);
     75     status_t injectVSyncEvent(const VSyncEvent& vsyncEvent, const std::shared_ptr<Event>& event);
     76     void createDisplay(const DisplayCreation& create, const std::shared_ptr<Event>& event);
     77     void deleteDisplay(const DisplayDeletion& delete_, const std::shared_ptr<Event>& event);
     78     void updatePowerMode(const PowerModeUpdate& update, const std::shared_ptr<Event>& event);
     79 
     80     status_t doSurfaceTransaction(const SurfaceChanges& surfaceChange);
     81     void doDisplayTransaction(const DisplayChanges& displayChange);
     82 
     83     status_t setPosition(layer_id id, const PositionChange& pc);
     84     status_t setSize(layer_id id, const SizeChange& sc);
     85     status_t setAlpha(layer_id id, const AlphaChange& ac);
     86     status_t setLayer(layer_id id, const LayerChange& lc);
     87     status_t setCrop(layer_id id, const CropChange& cc);
     88     status_t setFinalCrop(layer_id id, const FinalCropChange& fcc);
     89     status_t setMatrix(layer_id id, const MatrixChange& mc);
     90     status_t setOverrideScalingMode(layer_id id, const OverrideScalingModeChange& osmc);
     91     status_t setTransparentRegionHint(layer_id id, const TransparentRegionHintChange& trgc);
     92     status_t setLayerStack(layer_id id, const LayerStackChange& lsc);
     93     status_t setHiddenFlag(layer_id id, const HiddenFlagChange& hfc);
     94     status_t setOpaqueFlag(layer_id id, const OpaqueFlagChange& ofc);
     95     status_t setSecureFlag(layer_id id, const SecureFlagChange& sfc);
     96     status_t setDeferredTransaction(layer_id id, const DeferredTransactionChange& dtc);
     97 
     98     void setDisplaySurface(display_id id, const DispSurfaceChange& dsc);
     99     void setDisplayLayerStack(display_id id, const LayerStackChange& lsc);
    100     void setDisplaySize(display_id id, const SizeChange& sc);
    101     void setDisplayProjection(display_id id, const ProjectionChange& pc);
    102 
    103     void doDeleteSurfaceControls();
    104     void waitUntilTimestamp(int64_t timestamp);
    105     void waitUntilDeferredTransactionLayerExists(
    106             const DeferredTransactionChange& dtc, std::unique_lock<std::mutex>& lock);
    107     status_t loadSurfaceComposerClient();
    108 
    109     Trace mTrace;
    110     bool mLoaded = false;
    111     int32_t mIncrementIndex = 0;
    112     int64_t mCurrentTime = 0;
    113     int32_t mNumThreads = DEFAULT_THREADS;
    114 
    115     Increment mCurrentIncrement;
    116 
    117     std::string mLastInput;
    118 
    119     static atomic_bool sReplayingManually;
    120     bool mWaitingForNextVSync;
    121     bool mWaitForTimeStamps;
    122     nsecs_t mStopTimeStamp;
    123     bool mHasStopped;
    124 
    125     std::mutex mLayerLock;
    126     std::condition_variable mLayerCond;
    127     std::unordered_map<layer_id, sp<SurfaceControl>> mLayers;
    128     std::unordered_map<layer_id, HSV> mColors;
    129 
    130     std::mutex mPendingLayersLock;
    131     std::vector<layer_id> mLayersPendingRemoval;
    132 
    133     std::mutex mBufferQueueSchedulerLock;
    134     std::unordered_map<layer_id, std::shared_ptr<BufferQueueScheduler>> mBufferQueueSchedulers;
    135 
    136     std::mutex mDisplayLock;
    137     std::condition_variable mDisplayCond;
    138     std::unordered_map<display_id, sp<IBinder>> mDisplays;
    139 
    140     sp<SurfaceComposerClient> mComposerClient;
    141     std::queue<std::shared_ptr<Event>> mPendingIncrements;
    142 };
    143 
    144 }  // namespace android
    145 #endif
    146