dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   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
  18 // CLASS HEADER
  19 #include <dali/internal/common/core-impl.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/graphics-api/graphics-controller.h>
  23 #include <dali/integration-api/core.h>
  24 #include <dali/integration-api/debug.h>
  25 #include <dali/integration-api/events/event.h>
  26 #include <dali/integration-api/gl-context-helper-abstraction.h>
  27 #include <dali/integration-api/platform-abstraction.h>
  28 #include <dali/integration-api/processor-interface.h>
  29 #include <dali/integration-api/render-controller.h>
  30
  31 #include <dali/internal/event/actors/actor-impl.h>
  32 #include <dali/internal/event/animation/animation-playlist.h>
  33 #include <dali/internal/event/common/event-thread-services.h>
  34 #include <dali/internal/event/common/notification-manager.h>
  35 #include <dali/internal/event/common/property-notification-manager.h>
  36 #include <dali/internal/event/common/stage-impl.h>
  37 #include <dali/internal/event/common/thread-local-storage.h>
  38 #include <dali/internal/event/common/type-registry-impl.h>
  39 #include <dali/internal/event/effects/shader-factory.h>
  40 #include <dali/internal/event/events/event-processor.h>
  41 #include <dali/internal/event/events/gesture-event-processor.h>
  42 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  43 #include <dali/internal/event/size-negotiation/relayout-controller-impl.h>
  44
  45 #include <dali/internal/update/common/discard-queue.h>
  46 #include <dali/internal/update/manager/render-task-processor.h>
  47 #include <dali/internal/update/manager/update-manager.h>
  48
  49 #include <dali/internal/render/common/performance-monitor.h>
  50 #include <dali/internal/render/common/render-manager.h>
  51
  52 using Dali::Internal::SceneGraph::DiscardQueue;
  53 using Dali::Internal::SceneGraph::RenderManager;
  54 using Dali::Internal::SceneGraph::RenderQueue;
  55 using Dali::Internal::SceneGraph::UpdateManager;
  56
  57 namespace
  58 {
  59 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  60 const uint32_t MAXIMUM_UPDATE_COUNT = 2u;
  61
  62 #if defined(DEBUG_ENABLED)
  63 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  64 #endif
  65 } // namespace
  66
  67 namespace Dali
  68 {
  69 namespace Internal
  70 {
  71 using Integration::Event;
  72 using Integration::GlAbstraction;
  73 using Integration::GlContextHelperAbstraction;
  74 using Integration::PlatformAbstraction;
  75 using Integration::RenderController;
  76 using Integration::RenderStatus;
  77 using Integration::UpdateStatus;
  78
  79 Core::Core(RenderController&                   renderController,
  80            PlatformAbstraction&                platform,
  81            Graphics::Controller&               graphicsController,
  82            Integration::RenderToFrameBuffer    renderToFboEnabled,
  83            Integration::DepthBufferAvailable   depthBufferAvailable,
  84            Integration::StencilBufferAvailable stencilBufferAvailable,
  85            Integration::PartialUpdateAvailable partialUpdateAvailable)
  86 : mRenderController(renderController),
  87   mPlatform(platform),
  88   mGraphicsController(graphicsController),
  89   mProcessingEvent(false),
  90   mForceNextUpdate(false),
  91   mProcessorUnregistered(false),
  92   mPostProcessorUnregistered(false)
  93 {
  94   // Create the thread local storage
  95   CreateThreadLocalStorage();
  96
  97   // This does nothing until Core is built with --enable-performance-monitor
  98   PERFORMANCE_MONITOR_INIT(platform);
  99
 100   mNotificationManager = new NotificationManager();
 101
 102   mAnimationPlaylist = AnimationPlaylist::New();
 103
 104   mPropertyNotificationManager = PropertyNotificationManager::New();
 105
 106   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 107
 108   mRenderManager = RenderManager::New(graphicsController, depthBufferAvailable, stencilBufferAvailable, partialUpdateAvailable);
 109
 110   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 111
 112   mDiscardQueue = new DiscardQueue(renderQueue);
 113
 114   mUpdateManager = new UpdateManager(*mNotificationManager,
 115                                      *mAnimationPlaylist,
 116                                      *mPropertyNotificationManager,
 117                                      *mDiscardQueue,
 118                                      renderController,
 119                                      *mRenderManager,
 120                                      renderQueue,
 121                                      *mRenderTaskProcessor);
 122
 123   mRenderManager->SetShaderSaver(*mUpdateManager);
 124
 125   mObjectRegistry = ObjectRegistry::New();
 126
 127   mStage = IntrusivePtr<Stage>(Stage::New(*mUpdateManager));
 128
 129   // This must be called after stage is created but before stage initialization
 130   mRelayoutController = IntrusivePtr<RelayoutController>(new RelayoutController(mRenderController));
 131
 132   mGestureEventProcessor = new GestureEventProcessor(*mUpdateManager, mRenderController);
 133
 134   mShaderFactory = new ShaderFactory();
 135   mUpdateManager->SetShaderSaver(*mShaderFactory);
 136
 137   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 138 }
 139
 140 Core::~Core()
 141 {
 142   /*
 143    * The order of destructing these singletons is important!!!
 144    */
 145
 146   // clear the thread local storage first
 147   // allows core to be created / deleted many times in the same thread (how TET cases work).
 148   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 149   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 150   if(tls)
 151   {
 152     tls->Remove();
 153     tls->Unreference();
 154   }
 155
 156   mObjectRegistry.Reset();
 157
 158   // Stop relayout requests being raised on stage destruction
 159   mRelayoutController.Reset();
 160
 161   // remove (last?) reference to stage
 162   mStage.Reset();
 163 }
 164
 165 void Core::Initialize()
 166 {
 167   mStage->Initialize(*mScenes[0]);
 168 }
 169
 170 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 171 {
 172   return mStage.Get();
 173 }
 174
 175 void Core::RecoverFromContextLoss()
 176 {
 177   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 178
 179   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 180 }
 181
 182 void Core::ContextCreated()
 183 {
 184 }
 185
 186 void Core::ContextDestroyed()
 187 {
 188 }
 189
 190 void Core::Update(float elapsedSeconds, uint32_t lastVSyncTimeMilliseconds, uint32_t nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo, bool uploadOnly)
 191 {
 192   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 193   // it is cached by frametime
 194   status.secondsFromLastFrame = elapsedSeconds;
 195
 196   // Render returns true when there are updates on the stage or one or more animations are completed.
 197   // Use the estimated time diff till we render as the elapsed time.
 198   status.keepUpdating = mUpdateManager->Update(elapsedSeconds,
 199                                                lastVSyncTimeMilliseconds,
 200                                                nextVSyncTimeMilliseconds,
 201                                                renderToFboEnabled,
 202                                                isRenderingToFbo,
 203                                                uploadOnly);
 204
 205   // Check the Notification Manager message queue to set needsNotification
 206   status.needsNotification = mNotificationManager->MessagesToProcess();
 207
 208   // No need to keep update running if there are notifications to process.
 209   // Any message to update will wake it up anyways
 210 }
 211
 212 void Core::PreRender(RenderStatus& status, bool forceClear)
 213 {
 214   mRenderManager->PreRender(status, forceClear);
 215 }
 216
 217 void Core::PreRender(Integration::Scene& scene, std::vector<Rect<int>>& damagedRects)
 218 {
 219   mRenderManager->PreRender(scene, damagedRects);
 220 }
 221
 222 void Core::RenderScene(RenderStatus& status, Integration::Scene& scene, bool renderToFbo)
 223 {
 224   mRenderManager->RenderScene(status, scene, renderToFbo);
 225 }
 226
 227 void Core::RenderScene(RenderStatus& status, Integration::Scene& scene, bool renderToFbo, Rect<int>& clippingRect)
 228 {
 229   mRenderManager->RenderScene(status, scene, renderToFbo, clippingRect);
 230 }
 231
 232 void Core::PostRender()
 233 {
 234   mRenderManager->PostRender();
 235 }
 236
 237 void Core::SceneCreated()
 238 {
 239   mStage->EmitSceneCreatedSignal();
 240
 241   mRelayoutController->OnApplicationSceneCreated();
 242
 243   for(const auto& scene : mScenes)
 244   {
 245     Dali::Actor sceneRootLayer = scene->GetRootLayer();
 246     mRelayoutController->RequestRelayoutTree(sceneRootLayer);
 247   }
 248 }
 249
 250 void Core::QueueEvent(const Integration::Event& event)
 251 {
 252   if(mScenes.size() != 0)
 253   {
 254     mScenes.front()->QueueEvent(event);
 255   }
 256 }
 257
 258 void Core::ProcessEvents()
 259 {
 260   // Guard against calls to ProcessEvents() during ProcessEvents()
 261   if(mProcessingEvent)
 262   {
 263     DALI_LOG_ERROR("ProcessEvents should not be called from within ProcessEvents!\n");
 264     mRenderController.RequestProcessEventsOnIdle(false);
 265     return;
 266   }
 267
 268   mProcessingEvent = true;
 269   mRelayoutController->SetProcessingCoreEvents(true);
 270
 271   // Signal that any messages received will be flushed soon
 272   mUpdateManager->EventProcessingStarted();
 273
 274   // Scene could be added or removed while processing the events
 275   // Copy the Scene container locally to avoid possibly invalid iterator
 276   SceneContainer scenes = mScenes;
 277
 278   // process events in all scenes
 279   for(auto scene : scenes)
 280   {
 281     scene->ProcessEvents();
 282   }
 283
 284   mNotificationManager->ProcessMessages();
 285
 286   // Emit signal here to inform listeners that event processing has finished.
 287   for(auto scene : scenes)
 288   {
 289     scene->EmitEventProcessingFinishedSignal();
 290   }
 291
 292   // Run any registered processors
 293   RunProcessors();
 294
 295   // Run the size negotiation after event processing finished signal
 296   mRelayoutController->Relayout();
 297
 298   // Run any registered post processors
 299   RunPostProcessors();
 300
 301   // Rebuild depth tree after event processing has finished
 302   for(auto scene : scenes)
 303   {
 304     scene->RebuildDepthTree();
 305   }
 306
 307   // Flush any queued messages for the update-thread
 308   const bool messagesToProcess = mUpdateManager->FlushQueue();
 309
 310   // Check if the touch or gestures require updates.
 311   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 312   // Check if the next update is forced.
 313   const bool forceUpdate = IsNextUpdateForced();
 314
 315   if(messagesToProcess || gestureNeedsUpdate || forceUpdate)
 316   {
 317     // tell the render controller to keep update thread running
 318     mRenderController.RequestUpdate(forceUpdate);
 319   }
 320
 321   mRelayoutController->SetProcessingCoreEvents(false);
 322
 323   // ProcessEvents() may now be called again
 324   mProcessingEvent = false;
 325 }
 326
 327 uint32_t Core::GetMaximumUpdateCount() const
 328 {
 329   return MAXIMUM_UPDATE_COUNT;
 330 }
 331
 332 void Core::RegisterProcessor(Integration::Processor& processor, bool postProcessor)
 333 {
 334   if(postProcessor)
 335   {
 336     mPostProcessors.PushBack(&processor);
 337   }
 338   else
 339   {
 340     mProcessors.PushBack(&processor);
 341   }
 342 }
 343
 344 void Core::UnregisterProcessor(Integration::Processor& processor, bool postProcessor)
 345 {
 346   if(postProcessor)
 347   {
 348     auto iter = std::find(mPostProcessors.Begin(), mPostProcessors.End(), &processor);
 349     if(iter != mPostProcessors.End())
 350     {
 351       mPostProcessors.Erase(iter);
 352       mPostProcessorUnregistered = true;
 353     }
 354   }
 355   else
 356   {
 357     auto iter = std::find(mProcessors.Begin(), mProcessors.End(), &processor);
 358     if(iter != mProcessors.End())
 359     {
 360       mProcessors.Erase(iter);
 361       mProcessorUnregistered = true;
 362     }
 363   }
 364 }
 365
 366 void Core::RunProcessors()
 367 {
 368   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 369   Dali::Vector<Integration::Processor*> processors(mProcessors);
 370
 371   // To prevent accessing processor unregistered during the loop
 372   mProcessorUnregistered = false;
 373
 374   for(auto processor : processors)
 375   {
 376     if(processor)
 377     {
 378       if(!mProcessorUnregistered)
 379       {
 380         processor->Process(false);
 381       }
 382       else
 383       {
 384         // Run processor if the processor is still in the list.
 385         // It may be removed during the loop.
 386         auto iter = std::find(mProcessors.Begin(), mProcessors.End(), processor);
 387         if(iter != mProcessors.End())
 388         {
 389           processor->Process(false);
 390         }
 391       }
 392     }
 393   }
 394 }
 395
 396 void Core::RunPostProcessors()
 397 {
 398   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 399   Dali::Vector<Integration::Processor*> processors(mPostProcessors);
 400
 401   // To prevent accessing processor unregistered during the loop
 402   mPostProcessorUnregistered = false;
 403
 404   for(auto processor : processors)
 405   {
 406     if(processor)
 407     {
 408       if(!mPostProcessorUnregistered)
 409       {
 410         processor->Process(true);
 411       }
 412       else
 413       {
 414         // Run processor if the processor is still in the list.
 415         // It may be removed during the loop.
 416         auto iter = std::find(mPostProcessors.Begin(), mPostProcessors.End(), processor);
 417         if(iter != mPostProcessors.End())
 418         {
 419           processor->Process(true);
 420         }
 421       }
 422     }
 423   }
 424 }
 425
 426 StagePtr Core::GetCurrentStage()
 427 {
 428   return mStage.Get();
 429 }
 430
 431 PlatformAbstraction& Core::GetPlatform()
 432 {
 433   return mPlatform;
 434 }
 435
 436 UpdateManager& Core::GetUpdateManager()
 437 {
 438   return *(mUpdateManager);
 439 }
 440
 441 RenderManager& Core::GetRenderManager()
 442 {
 443   return *(mRenderManager);
 444 }
 445
 446 NotificationManager& Core::GetNotificationManager()
 447 {
 448   return *(mNotificationManager);
 449 }
 450
 451 ShaderFactory& Core::GetShaderFactory()
 452 {
 453   return *(mShaderFactory);
 454 }
 455
 456 GestureEventProcessor& Core::GetGestureEventProcessor()
 457 {
 458   return *(mGestureEventProcessor);
 459 }
 460
 461 RelayoutController& Core::GetRelayoutController()
 462 {
 463   return *(mRelayoutController.Get());
 464 }
 465
 466 ObjectRegistry& Core::GetObjectRegistry() const
 467 {
 468   return *(mObjectRegistry.Get());
 469 }
 470
 471 EventThreadServices& Core::GetEventThreadServices()
 472 {
 473   return *this;
 474 }
 475
 476 PropertyNotificationManager& Core::GetPropertyNotificationManager() const
 477 {
 478   return *(mPropertyNotificationManager);
 479 }
 480
 481 AnimationPlaylist& Core::GetAnimationPlaylist() const
 482 {
 483   return *(mAnimationPlaylist);
 484 }
 485
 486 Integration::GlAbstraction& Core::GetGlAbstraction() const
 487 {
 488   return mGraphicsController.GetGlAbstraction();
 489 }
 490
 491 void Core::AddScene(Scene* scene)
 492 {
 493   mScenes.push_back(scene);
 494 }
 495
 496 void Core::RemoveScene(Scene* scene)
 497 {
 498   auto iter = std::find(mScenes.begin(), mScenes.end(), scene);
 499   if(iter != mScenes.end())
 500   {
 501     mScenes.erase(iter);
 502   }
 503 }
 504
 505 void Core::CreateThreadLocalStorage()
 506 {
 507   // a pointer to the ThreadLocalStorage object will be stored in TLS
 508   // The ThreadLocalStorage object should be deleted by the Core destructor
 509   ThreadLocalStorage* tls = new ThreadLocalStorage(this);
 510   tls->Reference();
 511 }
 512
 513 void Core::RegisterObject(Dali::BaseObject* object)
 514 {
 515   mObjectRegistry = &ThreadLocalStorage::Get().GetObjectRegistry();
 516   mObjectRegistry->RegisterObject(object);
 517 }
 518
 519 void Core::UnregisterObject(Dali::BaseObject* object)
 520 {
 521   mObjectRegistry = &ThreadLocalStorage::Get().GetObjectRegistry();
 522   mObjectRegistry->UnregisterObject(object);
 523 }
 524
 525 Integration::RenderController& Core::GetRenderController()
 526 {
 527   return mRenderController;
 528 }
 529
 530 uint32_t* Core::ReserveMessageSlot(uint32_t size, bool updateScene)
 531 {
 532   return mUpdateManager->ReserveMessageSlot(size, updateScene);
 533 }
 534
 535 BufferIndex Core::GetEventBufferIndex() const
 536 {
 537   return mUpdateManager->GetEventBufferIndex();
 538 }
 539
 540 void Core::ForceNextUpdate()
 541 {
 542   mForceNextUpdate = true;
 543 }
 544
 545 bool Core::IsNextUpdateForced()
 546 {
 547   bool nextUpdateForced = mForceNextUpdate;
 548   mForceNextUpdate      = false;
 549   return nextUpdateForced;
 550 }
 551
 552 } // namespace Internal
 553
 554 } // namespace Dali