1 /* Copyright 2016 The Android Open Source Project
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 //#define LOG_NDEBUG 0
17 #define LOG_TAG "SurfaceReplayer"
18 
19 #include "Replayer.h"
20 
21 #include <android/native_window.h>
22 
23 #include <android-base/file.h>
24 
25 #include <gui/BufferQueue.h>
26 #include <gui/ISurfaceComposer.h>
27 #include <gui/LayerState.h>
28 #include <gui/Surface.h>
29 #include <private/gui/ComposerService.h>
30 
31 #include <ui/DisplayInfo.h>
32 #include <utils/Log.h>
33 #include <utils/String8.h>
34 #include <utils/Trace.h>
35 
36 #include <chrono>
37 #include <cmath>
38 #include <condition_variable>
39 #include <cstdlib>
40 #include <fstream>
41 #include <functional>
42 #include <iostream>
43 #include <mutex>
44 #include <sstream>
45 #include <string>
46 #include <thread>
47 #include <vector>
48 
49 using namespace android;
50 
51 std::atomic_bool Replayer::sReplayingManually(false);
52 
Replayer(const std::string & filename,bool replayManually,int numThreads,bool wait,nsecs_t stopHere)53 Replayer::Replayer(const std::string& filename, bool replayManually, int numThreads, bool wait,
54         nsecs_t stopHere)
55       : mTrace(),
56         mLoaded(false),
57         mIncrementIndex(0),
58         mCurrentTime(0),
59         mNumThreads(numThreads),
60         mWaitForTimeStamps(wait),
61         mStopTimeStamp(stopHere) {
62     srand(RAND_COLOR_SEED);
63 
64     std::string input;
65     if (!android::base::ReadFileToString(filename, &input, true)) {
66         std::cerr << "Trace did not load. Does " << filename << " exist?" << std::endl;
67         abort();
68     }
69 
70     mLoaded = mTrace.ParseFromString(input);
71     if (!mLoaded) {
72         std::cerr << "Trace did not load." << std::endl;
73         abort();
74     }
75 
76     mCurrentTime = mTrace.increment(0).time_stamp();
77 
78     sReplayingManually.store(replayManually);
79 
80     if (stopHere < 0) {
81         mHasStopped = true;
82     }
83 }
84 
Replayer(const Trace & t,bool replayManually,int numThreads,bool wait,nsecs_t stopHere)85 Replayer::Replayer(const Trace& t, bool replayManually, int numThreads, bool wait, nsecs_t stopHere)
86       : mTrace(t),
87         mLoaded(true),
88         mIncrementIndex(0),
89         mCurrentTime(0),
90         mNumThreads(numThreads),
91         mWaitForTimeStamps(wait),
92         mStopTimeStamp(stopHere) {
93     srand(RAND_COLOR_SEED);
94     mCurrentTime = mTrace.increment(0).time_stamp();
95 
96     sReplayingManually.store(replayManually);
97 
98     if (stopHere < 0) {
99         mHasStopped = true;
100     }
101 }
102 
replay()103 status_t Replayer::replay() {
104     signal(SIGINT, Replayer::stopAutoReplayHandler); //for manual control
105 
106     ALOGV("There are %d increments.", mTrace.increment_size());
107 
108     status_t status = loadSurfaceComposerClient();
109 
110     if (status != NO_ERROR) {
111         ALOGE("Couldn't create SurfaceComposerClient (%d)", status);
112         return status;
113     }
114 
115     SurfaceComposerClient::enableVSyncInjections(true);
116 
117     initReplay();
118 
119     ALOGV("Starting actual Replay!");
120     while (!mPendingIncrements.empty()) {
121         mCurrentIncrement = mTrace.increment(mIncrementIndex);
122 
123         if (mHasStopped == false && mCurrentIncrement.time_stamp() >= mStopTimeStamp) {
124             mHasStopped = true;
125             sReplayingManually.store(true);
126         }
127 
128         waitForConsoleCommmand();
129 
130         if (mWaitForTimeStamps) {
131             waitUntilTimestamp(mCurrentIncrement.time_stamp());
132         }
133 
134         auto event = mPendingIncrements.front();
135         mPendingIncrements.pop();
136 
137         event->complete();
138 
139         if (event->getIncrementType() == Increment::kVsyncEvent) {
140             mWaitingForNextVSync = false;
141         }
142 
143         if (mIncrementIndex + mNumThreads < mTrace.increment_size()) {
144             status = dispatchEvent(mIncrementIndex + mNumThreads);
145 
146             if (status != NO_ERROR) {
147                 SurfaceComposerClient::enableVSyncInjections(false);
148                 return status;
149             }
150         }
151 
152         mIncrementIndex++;
153         mCurrentTime = mCurrentIncrement.time_stamp();
154     }
155 
156     SurfaceComposerClient::enableVSyncInjections(false);
157 
158     return status;
159 }
160 
initReplay()161 status_t Replayer::initReplay() {
162     for (int i = 0; i < mNumThreads && i < mTrace.increment_size(); i++) {
163         status_t status = dispatchEvent(i);
164 
165         if (status != NO_ERROR) {
166             ALOGE("Unable to dispatch event (%d)", status);
167             return status;
168         }
169     }
170 
171     return NO_ERROR;
172 }
173 
stopAutoReplayHandler(int)174 void Replayer::stopAutoReplayHandler(int /*signal*/) {
175     if (sReplayingManually) {
176         SurfaceComposerClient::enableVSyncInjections(false);
177         exit(0);
178     }
179 
180     sReplayingManually.store(true);
181 }
182 
split(const std::string & s,const char delim)183 std::vector<std::string> split(const std::string& s, const char delim) {
184     std::vector<std::string> elems;
185     std::stringstream ss(s);
186     std::string item;
187     while (getline(ss, item, delim)) {
188         elems.push_back(item);
189     }
190     return elems;
191 }
192 
isNumber(const std::string & s)193 bool isNumber(const std::string& s) {
194     return !s.empty() &&
195            std::find_if(s.begin(), s.end(), [](char c) { return !std::isdigit(c); }) == s.end();
196 }
197 
waitForConsoleCommmand()198 void Replayer::waitForConsoleCommmand() {
199     if (!sReplayingManually || mWaitingForNextVSync) {
200         return;
201     }
202 
203     while (true) {
204         std::string input = "";
205         std::cout << "> ";
206         getline(std::cin, input);
207 
208         if (input.empty()) {
209             input = mLastInput;
210         } else {
211             mLastInput = input;
212         }
213 
214         if (mLastInput.empty()) {
215             continue;
216         }
217 
218         std::vector<std::string> inputs = split(input, ' ');
219 
220         if (inputs[0] == "n") {  // next vsync
221             mWaitingForNextVSync = true;
222             break;
223 
224         } else if (inputs[0] == "ni") {  // next increment
225             break;
226 
227         } else if (inputs[0] == "c") {  // continue
228             if (inputs.size() > 1 && isNumber(inputs[1])) {
229                 long milliseconds = stoi(inputs[1]);
230                 std::thread([&] {
231                     std::cout << "Started!" << std::endl;
232                     std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
233                     sReplayingManually.store(true);
234                     std::cout << "Should have stopped!" << std::endl;
235                 }).detach();
236             }
237             sReplayingManually.store(false);
238             mWaitingForNextVSync = false;
239             break;
240 
241         } else if (inputs[0] == "s") {  // stop at this timestamp
242             if (inputs.size() < 1) {
243                 std::cout << "No time stamp given" << std::endl;
244                 continue;
245             }
246             sReplayingManually.store(false);
247             mStopTimeStamp = stol(inputs[1]);
248             mHasStopped = false;
249             break;
250         } else if (inputs[0] == "l") {  // list
251             std::cout << "Time stamp: " << mCurrentIncrement.time_stamp() << "\n";
252             continue;
253         } else if (inputs[0] == "q") {  // quit
254             SurfaceComposerClient::enableVSyncInjections(false);
255             exit(0);
256 
257         } else if (inputs[0] == "h") {  // help
258                                         // add help menu
259             std::cout << "Manual Replay options:\n";
260             std::cout << " n  - Go to next VSync\n";
261             std::cout << " ni - Go to next increment\n";
262             std::cout << " c  - Continue\n";
263             std::cout << " c [milliseconds] - Continue until specified number of milliseconds\n";
264             std::cout << " s [timestamp]    - Continue and stop at specified timestamp\n";
265             std::cout << " l  - List out timestamp of current increment\n";
266             std::cout << " h  - Display help menu\n";
267             std::cout << std::endl;
268             continue;
269         }
270 
271         std::cout << "Invalid Command" << std::endl;
272     }
273 }
274 
dispatchEvent(int index)275 status_t Replayer::dispatchEvent(int index) {
276     auto increment = mTrace.increment(index);
277     std::shared_ptr<Event> event = std::make_shared<Event>(increment.increment_case());
278     mPendingIncrements.push(event);
279 
280     status_t status = NO_ERROR;
281     switch (increment.increment_case()) {
282         case increment.kTransaction: {
283             std::thread(&Replayer::doTransaction, this, increment.transaction(), event).detach();
284         } break;
285         case increment.kSurfaceCreation: {
286             std::thread(&Replayer::createSurfaceControl, this, increment.surface_creation(), event)
287                     .detach();
288         } break;
289         case increment.kSurfaceDeletion: {
290             std::thread(&Replayer::deleteSurfaceControl, this, increment.surface_deletion(), event)
291                     .detach();
292         } break;
293         case increment.kBufferUpdate: {
294             std::lock_guard<std::mutex> lock1(mLayerLock);
295             std::lock_guard<std::mutex> lock2(mBufferQueueSchedulerLock);
296 
297             Dimensions dimensions(increment.buffer_update().w(), increment.buffer_update().h());
298             BufferEvent bufferEvent(event, dimensions);
299 
300             auto layerId = increment.buffer_update().id();
301             if (mBufferQueueSchedulers.count(layerId) == 0) {
302                 mBufferQueueSchedulers[layerId] = std::make_shared<BufferQueueScheduler>(
303                         mLayers[layerId], mColors[layerId], layerId);
304                 mBufferQueueSchedulers[layerId]->addEvent(bufferEvent);
305 
306                 std::thread(&BufferQueueScheduler::startScheduling,
307                         mBufferQueueSchedulers[increment.buffer_update().id()].get())
308                         .detach();
309             } else {
310                 auto bqs = mBufferQueueSchedulers[increment.buffer_update().id()];
311                 bqs->addEvent(bufferEvent);
312             }
313         } break;
314         case increment.kVsyncEvent: {
315             std::thread(&Replayer::injectVSyncEvent, this, increment.vsync_event(), event).detach();
316         } break;
317         case increment.kDisplayCreation: {
318             std::thread(&Replayer::createDisplay, this, increment.display_creation(), event)
319                     .detach();
320         } break;
321         case increment.kDisplayDeletion: {
322             std::thread(&Replayer::deleteDisplay, this, increment.display_deletion(), event)
323                     .detach();
324         } break;
325         case increment.kPowerModeUpdate: {
326             std::thread(&Replayer::updatePowerMode, this, increment.power_mode_update(), event)
327                     .detach();
328         } break;
329         default:
330             ALOGE("Unknown Increment Type: %d", increment.increment_case());
331             status = BAD_VALUE;
332             break;
333     }
334 
335     return status;
336 }
337 
doTransaction(const Transaction & t,const std::shared_ptr<Event> & event)338 status_t Replayer::doTransaction(const Transaction& t, const std::shared_ptr<Event>& event) {
339     ALOGV("Started Transaction");
340 
341     SurfaceComposerClient::Transaction liveTransaction;
342 
343     status_t status = NO_ERROR;
344 
345     status = doSurfaceTransaction(liveTransaction, t.surface_change());
346     doDisplayTransaction(liveTransaction, t.display_change());
347 
348     if (t.animation()) {
349         liveTransaction.setAnimationTransaction();
350     }
351 
352     event->readyToExecute();
353 
354     liveTransaction.apply(t.synchronous());
355 
356     ALOGV("Ended Transaction");
357 
358     return status;
359 }
360 
doSurfaceTransaction(SurfaceComposerClient::Transaction & transaction,const SurfaceChanges & surfaceChanges)361 status_t Replayer::doSurfaceTransaction(
362         SurfaceComposerClient::Transaction& transaction,
363         const SurfaceChanges& surfaceChanges) {
364     status_t status = NO_ERROR;
365 
366     for (const SurfaceChange& change : surfaceChanges) {
367         std::unique_lock<std::mutex> lock(mLayerLock);
368         if (mLayers[change.id()] == nullptr) {
369             mLayerCond.wait(lock, [&] { return (mLayers[change.id()] != nullptr); });
370         }
371 
372         switch (change.SurfaceChange_case()) {
373             case SurfaceChange::SurfaceChangeCase::kPosition:
374                 setPosition(transaction, change.id(), change.position());
375                 break;
376             case SurfaceChange::SurfaceChangeCase::kSize:
377                 setSize(transaction, change.id(), change.size());
378                 break;
379             case SurfaceChange::SurfaceChangeCase::kAlpha:
380                 setAlpha(transaction, change.id(), change.alpha());
381                 break;
382             case SurfaceChange::SurfaceChangeCase::kLayer:
383                 setLayer(transaction, change.id(), change.layer());
384                 break;
385             case SurfaceChange::SurfaceChangeCase::kCrop:
386                 setCrop(transaction, change.id(), change.crop());
387                 break;
388             case SurfaceChange::SurfaceChangeCase::kMatrix:
389                 setMatrix(transaction, change.id(), change.matrix());
390                 break;
391             case SurfaceChange::SurfaceChangeCase::kFinalCrop:
392                 setFinalCrop(transaction, change.id(), change.final_crop());
393                 break;
394             case SurfaceChange::SurfaceChangeCase::kOverrideScalingMode:
395                 setOverrideScalingMode(transaction, change.id(),
396                         change.override_scaling_mode());
397                 break;
398             case SurfaceChange::SurfaceChangeCase::kTransparentRegionHint:
399                 setTransparentRegionHint(transaction, change.id(),
400                         change.transparent_region_hint());
401                 break;
402             case SurfaceChange::SurfaceChangeCase::kLayerStack:
403                 setLayerStack(transaction, change.id(), change.layer_stack());
404                 break;
405             case SurfaceChange::SurfaceChangeCase::kHiddenFlag:
406                 setHiddenFlag(transaction, change.id(), change.hidden_flag());
407                 break;
408             case SurfaceChange::SurfaceChangeCase::kOpaqueFlag:
409                 setOpaqueFlag(transaction, change.id(), change.opaque_flag());
410                 break;
411             case SurfaceChange::SurfaceChangeCase::kSecureFlag:
412                 setSecureFlag(transaction, change.id(), change.secure_flag());
413                 break;
414             case SurfaceChange::SurfaceChangeCase::kDeferredTransaction:
415                 waitUntilDeferredTransactionLayerExists(change.deferred_transaction(), lock);
416                 setDeferredTransaction(transaction, change.id(),
417                         change.deferred_transaction());
418                 break;
419             default:
420                 status = 1;
421                 break;
422         }
423 
424         if (status != NO_ERROR) {
425             ALOGE("Unknown Transaction Code");
426             return status;
427         }
428     }
429     return status;
430 }
431 
doDisplayTransaction(SurfaceComposerClient::Transaction & t,const DisplayChanges & displayChanges)432 void Replayer::doDisplayTransaction(SurfaceComposerClient::Transaction& t,
433         const DisplayChanges& displayChanges) {
434     for (const DisplayChange& change : displayChanges) {
435         ALOGV("Doing display transaction");
436         std::unique_lock<std::mutex> lock(mDisplayLock);
437         if (mDisplays[change.id()] == nullptr) {
438             mDisplayCond.wait(lock, [&] { return (mDisplays[change.id()] != nullptr); });
439         }
440 
441         switch (change.DisplayChange_case()) {
442             case DisplayChange::DisplayChangeCase::kSurface:
443                 setDisplaySurface(t, change.id(), change.surface());
444                 break;
445             case DisplayChange::DisplayChangeCase::kLayerStack:
446                 setDisplayLayerStack(t, change.id(), change.layer_stack());
447                 break;
448             case DisplayChange::DisplayChangeCase::kSize:
449                 setDisplaySize(t, change.id(), change.size());
450                 break;
451             case DisplayChange::DisplayChangeCase::kProjection:
452                 setDisplayProjection(t, change.id(), change.projection());
453                 break;
454             default:
455                 break;
456         }
457     }
458 }
459 
setPosition(SurfaceComposerClient::Transaction & t,layer_id id,const PositionChange & pc)460 void Replayer::setPosition(SurfaceComposerClient::Transaction& t,
461         layer_id id, const PositionChange& pc) {
462     ALOGV("Layer %d: Setting Position -- x=%f, y=%f", id, pc.x(), pc.y());
463     t.setPosition(mLayers[id], pc.x(), pc.y());
464 }
465 
setSize(SurfaceComposerClient::Transaction & t,layer_id id,const SizeChange & sc)466 void Replayer::setSize(SurfaceComposerClient::Transaction& t,
467         layer_id id, const SizeChange& sc) {
468     ALOGV("Layer %d: Setting Size -- w=%u, h=%u", id, sc.w(), sc.h());
469     t.setSize(mLayers[id], sc.w(), sc.h());
470 }
471 
setLayer(SurfaceComposerClient::Transaction & t,layer_id id,const LayerChange & lc)472 void Replayer::setLayer(SurfaceComposerClient::Transaction& t,
473         layer_id id, const LayerChange& lc) {
474     ALOGV("Layer %d: Setting Layer -- layer=%d", id, lc.layer());
475     t.setLayer(mLayers[id], lc.layer());
476 }
477 
setAlpha(SurfaceComposerClient::Transaction & t,layer_id id,const AlphaChange & ac)478 void Replayer::setAlpha(SurfaceComposerClient::Transaction& t,
479         layer_id id, const AlphaChange& ac) {
480     ALOGV("Layer %d: Setting Alpha -- alpha=%f", id, ac.alpha());
481     t.setAlpha(mLayers[id], ac.alpha());
482 }
483 
setCrop(SurfaceComposerClient::Transaction & t,layer_id id,const CropChange & cc)484 void Replayer::setCrop(SurfaceComposerClient::Transaction& t,
485         layer_id id, const CropChange& cc) {
486     ALOGV("Layer %d: Setting Crop -- left=%d, top=%d, right=%d, bottom=%d", id,
487             cc.rectangle().left(), cc.rectangle().top(), cc.rectangle().right(),
488             cc.rectangle().bottom());
489 
490     Rect r = Rect(cc.rectangle().left(), cc.rectangle().top(), cc.rectangle().right(),
491             cc.rectangle().bottom());
492     t.setCrop(mLayers[id], r);
493 }
494 
setFinalCrop(SurfaceComposerClient::Transaction & t,layer_id id,const FinalCropChange & fcc)495 void Replayer::setFinalCrop(SurfaceComposerClient::Transaction& t,
496         layer_id id, const FinalCropChange& fcc) {
497     ALOGV("Layer %d: Setting Final Crop -- left=%d, top=%d, right=%d, bottom=%d", id,
498             fcc.rectangle().left(), fcc.rectangle().top(), fcc.rectangle().right(),
499             fcc.rectangle().bottom());
500     Rect r = Rect(fcc.rectangle().left(), fcc.rectangle().top(), fcc.rectangle().right(),
501             fcc.rectangle().bottom());
502     t.setFinalCrop(mLayers[id], r);
503 }
504 
setMatrix(SurfaceComposerClient::Transaction & t,layer_id id,const MatrixChange & mc)505 void Replayer::setMatrix(SurfaceComposerClient::Transaction& t,
506         layer_id id, const MatrixChange& mc) {
507     ALOGV("Layer %d: Setting Matrix -- dsdx=%f, dtdx=%f, dsdy=%f, dtdy=%f", id, mc.dsdx(),
508             mc.dtdx(), mc.dsdy(), mc.dtdy());
509     t.setMatrix(mLayers[id], mc.dsdx(), mc.dtdx(), mc.dsdy(), mc.dtdy());
510 }
511 
setOverrideScalingMode(SurfaceComposerClient::Transaction & t,layer_id id,const OverrideScalingModeChange & osmc)512 void Replayer::setOverrideScalingMode(SurfaceComposerClient::Transaction& t,
513         layer_id id, const OverrideScalingModeChange& osmc) {
514     ALOGV("Layer %d: Setting Override Scaling Mode -- mode=%d", id, osmc.override_scaling_mode());
515     t.setOverrideScalingMode(mLayers[id], osmc.override_scaling_mode());
516 }
517 
setTransparentRegionHint(SurfaceComposerClient::Transaction & t,layer_id id,const TransparentRegionHintChange & trhc)518 void Replayer::setTransparentRegionHint(SurfaceComposerClient::Transaction& t,
519         layer_id id, const TransparentRegionHintChange& trhc) {
520     ALOGV("Setting Transparent Region Hint");
521     Region re = Region();
522 
523     for (const auto& r : trhc.region()) {
524         Rect rect = Rect(r.left(), r.top(), r.right(), r.bottom());
525         re.merge(rect);
526     }
527 
528     t.setTransparentRegionHint(mLayers[id], re);
529 }
530 
setLayerStack(SurfaceComposerClient::Transaction & t,layer_id id,const LayerStackChange & lsc)531 void Replayer::setLayerStack(SurfaceComposerClient::Transaction& t,
532         layer_id id, const LayerStackChange& lsc) {
533     ALOGV("Layer %d: Setting LayerStack -- layer_stack=%d", id, lsc.layer_stack());
534     t.setLayerStack(mLayers[id], lsc.layer_stack());
535 }
536 
setHiddenFlag(SurfaceComposerClient::Transaction & t,layer_id id,const HiddenFlagChange & hfc)537 void Replayer::setHiddenFlag(SurfaceComposerClient::Transaction& t,
538         layer_id id, const HiddenFlagChange& hfc) {
539     ALOGV("Layer %d: Setting Hidden Flag -- hidden_flag=%d", id, hfc.hidden_flag());
540     layer_id flag = hfc.hidden_flag() ? layer_state_t::eLayerHidden : 0;
541 
542     t.setFlags(mLayers[id], flag, layer_state_t::eLayerHidden);
543 }
544 
setOpaqueFlag(SurfaceComposerClient::Transaction & t,layer_id id,const OpaqueFlagChange & ofc)545 void Replayer::setOpaqueFlag(SurfaceComposerClient::Transaction& t,
546         layer_id id, const OpaqueFlagChange& ofc) {
547     ALOGV("Layer %d: Setting Opaque Flag -- opaque_flag=%d", id, ofc.opaque_flag());
548     layer_id flag = ofc.opaque_flag() ? layer_state_t::eLayerOpaque : 0;
549 
550     t.setFlags(mLayers[id], flag, layer_state_t::eLayerOpaque);
551 }
552 
setSecureFlag(SurfaceComposerClient::Transaction & t,layer_id id,const SecureFlagChange & sfc)553 void Replayer::setSecureFlag(SurfaceComposerClient::Transaction& t,
554         layer_id id, const SecureFlagChange& sfc) {
555     ALOGV("Layer %d: Setting Secure Flag -- secure_flag=%d", id, sfc.secure_flag());
556     layer_id flag = sfc.secure_flag() ? layer_state_t::eLayerSecure : 0;
557 
558     t.setFlags(mLayers[id], flag, layer_state_t::eLayerSecure);
559 }
560 
setDeferredTransaction(SurfaceComposerClient::Transaction & t,layer_id id,const DeferredTransactionChange & dtc)561 void Replayer::setDeferredTransaction(SurfaceComposerClient::Transaction& t,
562         layer_id id, const DeferredTransactionChange& dtc) {
563     ALOGV("Layer %d: Setting Deferred Transaction -- layer_id=%d, "
564           "frame_number=%llu",
565             id, dtc.layer_id(), dtc.frame_number());
566     if (mLayers.count(dtc.layer_id()) == 0 || mLayers[dtc.layer_id()] == nullptr) {
567         ALOGE("Layer %d not found in Deferred Transaction", dtc.layer_id());
568         return;
569     }
570 
571     auto handle = mLayers[dtc.layer_id()]->getHandle();
572 
573     t.deferTransactionUntil(mLayers[id], handle, dtc.frame_number());
574 }
575 
setDisplaySurface(SurfaceComposerClient::Transaction & t,display_id id,const DispSurfaceChange &)576 void Replayer::setDisplaySurface(SurfaceComposerClient::Transaction& t,
577         display_id id, const DispSurfaceChange& /*dsc*/) {
578     sp<IGraphicBufferProducer> outProducer;
579     sp<IGraphicBufferConsumer> outConsumer;
580     BufferQueue::createBufferQueue(&outProducer, &outConsumer);
581 
582     t.setDisplaySurface(mDisplays[id], outProducer);
583 }
584 
setDisplayLayerStack(SurfaceComposerClient::Transaction & t,display_id id,const LayerStackChange & lsc)585 void Replayer::setDisplayLayerStack(SurfaceComposerClient::Transaction& t,
586         display_id id, const LayerStackChange& lsc) {
587     t.setDisplayLayerStack(mDisplays[id], lsc.layer_stack());
588 }
589 
setDisplaySize(SurfaceComposerClient::Transaction & t,display_id id,const SizeChange & sc)590 void Replayer::setDisplaySize(SurfaceComposerClient::Transaction& t,
591         display_id id, const SizeChange& sc) {
592     t.setDisplaySize(mDisplays[id], sc.w(), sc.h());
593 }
594 
setDisplayProjection(SurfaceComposerClient::Transaction & t,display_id id,const ProjectionChange & pc)595 void Replayer::setDisplayProjection(SurfaceComposerClient::Transaction& t,
596         display_id id, const ProjectionChange& pc) {
597     Rect viewport = Rect(pc.viewport().left(), pc.viewport().top(), pc.viewport().right(),
598             pc.viewport().bottom());
599     Rect frame = Rect(pc.frame().left(), pc.frame().top(), pc.frame().right(), pc.frame().bottom());
600 
601     t.setDisplayProjection(mDisplays[id], pc.orientation(), viewport, frame);
602 }
603 
createSurfaceControl(const SurfaceCreation & create,const std::shared_ptr<Event> & event)604 status_t Replayer::createSurfaceControl(
605         const SurfaceCreation& create, const std::shared_ptr<Event>& event) {
606     event->readyToExecute();
607 
608     ALOGV("Creating Surface Control: ID: %d", create.id());
609     sp<SurfaceControl> surfaceControl = mComposerClient->createSurface(
610             String8(create.name().c_str()), create.w(), create.h(), PIXEL_FORMAT_RGBA_8888, 0);
611 
612     if (surfaceControl == nullptr) {
613         ALOGE("CreateSurfaceControl: unable to create surface control");
614         return BAD_VALUE;
615     }
616 
617     std::lock_guard<std::mutex> lock1(mLayerLock);
618     auto& layer = mLayers[create.id()];
619     layer = surfaceControl;
620 
621     mColors[create.id()] = HSV(rand() % 360, 1, 1);
622 
623     mLayerCond.notify_all();
624 
625     std::lock_guard<std::mutex> lock2(mBufferQueueSchedulerLock);
626     if (mBufferQueueSchedulers.count(create.id()) != 0) {
627         mBufferQueueSchedulers[create.id()]->setSurfaceControl(
628                 mLayers[create.id()], mColors[create.id()]);
629     }
630 
631     return NO_ERROR;
632 }
633 
deleteSurfaceControl(const SurfaceDeletion & delete_,const std::shared_ptr<Event> & event)634 status_t Replayer::deleteSurfaceControl(
635         const SurfaceDeletion& delete_, const std::shared_ptr<Event>& event) {
636     ALOGV("Deleting %d Surface Control", delete_.id());
637     event->readyToExecute();
638 
639     std::lock_guard<std::mutex> lock1(mPendingLayersLock);
640 
641     mLayersPendingRemoval.push_back(delete_.id());
642 
643     const auto& iterator = mBufferQueueSchedulers.find(delete_.id());
644     if (iterator != mBufferQueueSchedulers.end()) {
645         (*iterator).second->stopScheduling();
646     }
647 
648     std::lock_guard<std::mutex> lock2(mLayerLock);
649     if (mLayers[delete_.id()] != nullptr) {
650         mComposerClient->destroySurface(mLayers[delete_.id()]->getHandle());
651     }
652 
653     return NO_ERROR;
654 }
655 
doDeleteSurfaceControls()656 void Replayer::doDeleteSurfaceControls() {
657     std::lock_guard<std::mutex> lock1(mPendingLayersLock);
658     std::lock_guard<std::mutex> lock2(mLayerLock);
659     if (!mLayersPendingRemoval.empty()) {
660         for (int id : mLayersPendingRemoval) {
661             mLayers.erase(id);
662             mColors.erase(id);
663             mBufferQueueSchedulers.erase(id);
664         }
665         mLayersPendingRemoval.clear();
666     }
667 }
668 
injectVSyncEvent(const VSyncEvent & vSyncEvent,const std::shared_ptr<Event> & event)669 status_t Replayer::injectVSyncEvent(
670         const VSyncEvent& vSyncEvent, const std::shared_ptr<Event>& event) {
671     ALOGV("Injecting VSync Event");
672 
673     doDeleteSurfaceControls();
674 
675     event->readyToExecute();
676 
677     SurfaceComposerClient::injectVSync(vSyncEvent.when());
678 
679     return NO_ERROR;
680 }
681 
createDisplay(const DisplayCreation & create,const std::shared_ptr<Event> & event)682 void Replayer::createDisplay(const DisplayCreation& create, const std::shared_ptr<Event>& event) {
683     ALOGV("Creating display");
684     event->readyToExecute();
685 
686     std::lock_guard<std::mutex> lock(mDisplayLock);
687     sp<IBinder> display = SurfaceComposerClient::createDisplay(
688             String8(create.name().c_str()), create.is_secure());
689     mDisplays[create.id()] = display;
690 
691     mDisplayCond.notify_all();
692 
693     ALOGV("Done creating display");
694 }
695 
deleteDisplay(const DisplayDeletion & delete_,const std::shared_ptr<Event> & event)696 void Replayer::deleteDisplay(const DisplayDeletion& delete_, const std::shared_ptr<Event>& event) {
697     ALOGV("Delete display");
698     event->readyToExecute();
699 
700     std::lock_guard<std::mutex> lock(mDisplayLock);
701     SurfaceComposerClient::destroyDisplay(mDisplays[delete_.id()]);
702     mDisplays.erase(delete_.id());
703 }
704 
updatePowerMode(const PowerModeUpdate & pmu,const std::shared_ptr<Event> & event)705 void Replayer::updatePowerMode(const PowerModeUpdate& pmu, const std::shared_ptr<Event>& event) {
706     ALOGV("Updating power mode");
707     event->readyToExecute();
708     SurfaceComposerClient::setDisplayPowerMode(mDisplays[pmu.id()], pmu.mode());
709 }
710 
waitUntilTimestamp(int64_t timestamp)711 void Replayer::waitUntilTimestamp(int64_t timestamp) {
712     ALOGV("Waiting for %lld nanoseconds...", static_cast<int64_t>(timestamp - mCurrentTime));
713     std::this_thread::sleep_for(std::chrono::nanoseconds(timestamp - mCurrentTime));
714 }
715 
waitUntilDeferredTransactionLayerExists(const DeferredTransactionChange & dtc,std::unique_lock<std::mutex> & lock)716 void Replayer::waitUntilDeferredTransactionLayerExists(
717         const DeferredTransactionChange& dtc, std::unique_lock<std::mutex>& lock) {
718     if (mLayers.count(dtc.layer_id()) == 0 || mLayers[dtc.layer_id()] == nullptr) {
719         mLayerCond.wait(lock, [&] { return (mLayers[dtc.layer_id()] != nullptr); });
720     }
721 }
722 
loadSurfaceComposerClient()723 status_t Replayer::loadSurfaceComposerClient() {
724     mComposerClient = new SurfaceComposerClient;
725     return mComposerClient->initCheck();
726 }
727