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