dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2020 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/integration-api/core.h>
  23 #include <dali/integration-api/debug.h>
  24 #include <dali/integration-api/events/event.h>
  25 #include <dali/integration-api/gl-sync-abstraction.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/notification-manager.h>
  34 #include <dali/internal/event/common/property-notification-manager.h>
  35 #include <dali/internal/event/common/stage-impl.h>
  36 #include <dali/internal/event/common/thread-local-storage.h>
  37 #include <dali/internal/event/common/event-thread-services.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/update-manager.h>
  47 #include <dali/internal/update/manager/render-task-processor.h>
  48
  49 #include <dali/internal/render/common/performance-monitor.h>
  50 #include <dali/internal/render/common/render-manager.h>
  51 #include <dali/internal/render/gl-resources/context.h>
  52
  53 using Dali::Internal::SceneGraph::UpdateManager;
  54 using Dali::Internal::SceneGraph::RenderManager;
  55 using Dali::Internal::SceneGraph::DiscardQueue;
  56 using Dali::Internal::SceneGraph::RenderQueue;
  57
  58 namespace
  59 {
  60 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  61 const uint32_t MAXIMUM_UPDATE_COUNT = 2u;
  62
  63 #if defined(DEBUG_ENABLED)
  64 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  65 #endif
  66 }
  67
  68 namespace Dali
  69 {
  70
  71 namespace Internal
  72 {
  73
  74 using Integration::RenderController;
  75 using Integration::PlatformAbstraction;
  76 using Integration::GlSyncAbstraction;
  77 using Integration::GlAbstraction;
  78 using Integration::GlContextHelperAbstraction;
  79 using Integration::Event;
  80 using Integration::UpdateStatus;
  81 using Integration::RenderStatus;
  82
  83 Core::Core( RenderController& renderController,
  84             PlatformAbstraction& platform,
  85             GlAbstraction& glAbstraction,
  86             GlSyncAbstraction& glSyncAbstraction,
  87             GlContextHelperAbstraction& glContextHelperAbstraction,
  88             Integration::RenderToFrameBuffer renderToFboEnabled,
  89             Integration::DepthBufferAvailable depthBufferAvailable,
  90             Integration::StencilBufferAvailable stencilBufferAvailable )
  91 : mRenderController( renderController ),
  92   mPlatform(platform),
  93   mProcessingEvent(false),
  94   mForceNextUpdate( false )
  95 {
  96   // Create the thread local storage
  97   CreateThreadLocalStorage();
  98
  99   // This does nothing until Core is built with --enable-performance-monitor
 100   PERFORMANCE_MONITOR_INIT( platform );
 101
 102   mNotificationManager = new NotificationManager();
 103
 104   mAnimationPlaylist = AnimationPlaylist::New();
 105
 106   mPropertyNotificationManager = PropertyNotificationManager::New();
 107
 108   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 109
 110   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction, glContextHelperAbstraction, depthBufferAvailable, stencilBufferAvailable );
 111
 112   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 113
 114   mDiscardQueue = new DiscardQueue( renderQueue );
 115
 116   mUpdateManager = new UpdateManager( *mNotificationManager,
 117                                       *mAnimationPlaylist,
 118                                       *mPropertyNotificationManager,
 119                                       *mDiscardQueue,
 120                                        renderController,
 121                                       *mRenderManager,
 122                                        renderQueue,
 123                                       *mRenderTaskProcessor );
 124
 125   mRenderManager->SetShaderSaver( *mUpdateManager );
 126
 127   mObjectRegistry = ObjectRegistry::New();
 128
 129   mStage = IntrusivePtr<Stage>( Stage::New( *mUpdateManager ) );
 130
 131   // This must be called after stage is created but before stage initialization
 132   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 133
 134   mGestureEventProcessor = new GestureEventProcessor( *mUpdateManager, mRenderController );
 135
 136   mShaderFactory = new ShaderFactory();
 137   mUpdateManager->SetShaderSaver( *mShaderFactory );
 138
 139   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 140 }
 141
 142 Core::~Core()
 143 {
 144   /*
 145    * The order of destructing these singletons is important!!!
 146    */
 147
 148   // clear the thread local storage first
 149   // allows core to be created / deleted many times in the same thread (how TET cases work).
 150   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 151   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 152   if( tls )
 153   {
 154     tls->Remove();
 155     tls->Unreference();
 156   }
 157
 158   mObjectRegistry.Reset();
 159
 160   // Stop relayout requests being raised on stage destruction
 161   mRelayoutController.Reset();
 162
 163   // remove (last?) reference to stage
 164   mStage.Reset();
 165
 166 }
 167
 168 void Core::Initialize()
 169 {
 170   mStage->Initialize( *mScenes[0] );
 171 }
 172
 173 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 174 {
 175   return mStage.Get();
 176 }
 177
 178 void Core::RecoverFromContextLoss()
 179 {
 180   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 181
 182   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 183 }
 184
 185 void Core::ContextCreated()
 186 {
 187   mRenderManager->ContextCreated();
 188 }
 189
 190 void Core::ContextDestroyed()
 191 {
 192   mRenderManager->ContextDestroyed();
 193 }
 194
 195 void Core::Update( float elapsedSeconds, uint32_t lastVSyncTimeMilliseconds, uint32_t nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo )
 196 {
 197   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 198   // it is cached by frametime
 199   status.secondsFromLastFrame = elapsedSeconds;
 200
 201   // Render returns true when there are updates on the stage or one or more animations are completed.
 202   // Use the estimated time diff till we render as the elapsed time.
 203   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 204                                                 lastVSyncTimeMilliseconds,
 205                                                 nextVSyncTimeMilliseconds,
 206                                                 renderToFboEnabled,
 207                                                 isRenderingToFbo );
 208
 209   // Check the Notification Manager message queue to set needsNotification
 210   status.needsNotification = mNotificationManager->MessagesToProcess();
 211
 212   // Check if the default surface is changed
 213   status.surfaceRectChanged = mUpdateManager->IsDefaultSurfaceRectChanged();
 214
 215   // No need to keep update running if there are notifications to process.
 216   // Any message to update will wake it up anyways
 217 }
 218
 219 void Core::PreRender( RenderStatus& status, bool forceClear, bool uploadOnly )
 220 {
 221   mRenderManager->PreRender( status, forceClear, uploadOnly );
 222 }
 223
 224 void Core::RenderScene( Integration::Scene& scene, bool renderToFbo )
 225 {
 226   mRenderManager->RenderScene( scene, renderToFbo );
 227 }
 228
 229 void Core::PostRender( bool uploadOnly )
 230 {
 231   mRenderManager->PostRender( uploadOnly );
 232 }
 233
 234 void Core::SceneCreated()
 235 {
 236   mStage->EmitSceneCreatedSignal();
 237
 238   mRelayoutController->OnApplicationSceneCreated();
 239
 240   for( auto iter = mScenes.begin(); iter != mScenes.end(); ++iter )
 241   {
 242     Dali::Actor sceneRootLayer = (*iter)->GetRootLayer();
 243     mRelayoutController->RequestRelayoutTree( sceneRootLayer );
 244   }
 245 }
 246
 247 void Core::QueueEvent( const Integration::Event& event )
 248 {
 249   if (mScenes.size() != 0)
 250   {
 251     mScenes.front()->QueueEvent( event );
 252   }
 253 }
 254
 255 void Core::ProcessEvents()
 256 {
 257   // Guard against calls to ProcessEvents() during ProcessEvents()
 258   if( mProcessingEvent )
 259   {
 260     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 261     mRenderController.RequestProcessEventsOnIdle( false );
 262     return;
 263   }
 264
 265   mProcessingEvent = true;
 266   mRelayoutController->SetProcessingCoreEvents( true );
 267
 268   // Signal that any messages received will be flushed soon
 269   mUpdateManager->EventProcessingStarted();
 270
 271   // Scene could be added or removed while processing the events
 272   // Copy the Scene container locally to avoid possibly invalid iterator
 273   SceneContainer scenes = mScenes;
 274
 275   // process events in all scenes
 276   for( auto scene : scenes )
 277   {
 278     scene->ProcessEvents();
 279   }
 280
 281   mNotificationManager->ProcessMessages();
 282
 283   // Emit signal here to inform listeners that event processing has finished.
 284   for( auto scene : scenes )
 285   {
 286     scene->EmitEventProcessingFinishedSignal();
 287   }
 288
 289   // Run any registered processors
 290   RunProcessors();
 291
 292   // Run the size negotiation after event processing finished signal
 293   mRelayoutController->Relayout();
 294
 295   // Rebuild depth tree after event processing has finished
 296   for( auto scene : scenes )
 297   {
 298     scene->RebuildDepthTree();
 299   }
 300
 301   // Flush any queued messages for the update-thread
 302   const bool messagesToProcess = mUpdateManager->FlushQueue();
 303
 304   // Check if the touch or gestures require updates.
 305   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 306   // Check if the next update is forced.
 307   const bool forceUpdate = IsNextUpdateForced();
 308
 309   if( messagesToProcess || gestureNeedsUpdate || forceUpdate )
 310   {
 311     // tell the render controller to keep update thread running
 312     mRenderController.RequestUpdate( forceUpdate );
 313   }
 314
 315   mRelayoutController->SetProcessingCoreEvents( false );
 316
 317   // ProcessEvents() may now be called again
 318   mProcessingEvent = false;
 319 }
 320
 321 uint32_t Core::GetMaximumUpdateCount() const
 322 {
 323   return MAXIMUM_UPDATE_COUNT;
 324 }
 325
 326 void Core::RegisterProcessor( Integration::Processor& processor )
 327 {
 328   mProcessors.PushBack(&processor);
 329 }
 330
 331 void Core::UnregisterProcessor( Integration::Processor& processor )
 332 {
 333   auto iter = std::find( mProcessors.Begin(), mProcessors.End(), &processor );
 334   if( iter != mProcessors.End() )
 335   {
 336     mProcessors.Erase( iter );
 337   }
 338 }
 339
 340 void Core::RunProcessors()
 341 {
 342   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 343   Dali::Vector<Integration::Processor*> processors( mProcessors );
 344
 345   for( auto processor : processors )
 346   {
 347     if( processor )
 348     {
 349       processor->Process();
 350     }
 351   }
 352 }
 353
 354 StagePtr Core::GetCurrentStage()
 355 {
 356   return mStage.Get();
 357 }
 358
 359 PlatformAbstraction& Core::GetPlatform()
 360 {
 361   return mPlatform;
 362 }
 363
 364 UpdateManager& Core::GetUpdateManager()
 365 {
 366   return *(mUpdateManager);
 367 }
 368
 369 RenderManager& Core::GetRenderManager()
 370 {
 371   return *(mRenderManager);
 372 }
 373
 374 NotificationManager& Core::GetNotificationManager()
 375 {
 376   return *(mNotificationManager);
 377 }
 378
 379 ShaderFactory& Core::GetShaderFactory()
 380 {
 381   return *(mShaderFactory);
 382 }
 383
 384 GestureEventProcessor& Core::GetGestureEventProcessor()
 385 {
 386   return *(mGestureEventProcessor);
 387 }
 388
 389 RelayoutController& Core::GetRelayoutController()
 390 {
 391   return *(mRelayoutController.Get());
 392 }
 393
 394 ObjectRegistry& Core::GetObjectRegistry() const
 395 {
 396   return *(mObjectRegistry.Get());
 397 }
 398
 399 EventThreadServices& Core::GetEventThreadServices()
 400 {
 401   return *this;
 402 }
 403
 404 PropertyNotificationManager& Core::GetPropertyNotificationManager() const
 405 {
 406   return *(mPropertyNotificationManager);
 407 }
 408
 409 AnimationPlaylist& Core::GetAnimationPlaylist() const
 410 {
 411   return *(mAnimationPlaylist);
 412 }
 413
 414 void Core::AddScene( Scene* scene )
 415 {
 416   mScenes.push_back( scene );
 417 }
 418
 419 void Core::RemoveScene( Scene* scene )
 420 {
 421   auto iter = std::find( mScenes.begin(), mScenes.end(), scene );
 422   if( iter != mScenes.end() )
 423   {
 424     mScenes.erase( iter );
 425   }
 426 }
 427
 428 void Core::CreateThreadLocalStorage()
 429 {
 430   // a pointer to the ThreadLocalStorage object will be stored in TLS
 431   // The ThreadLocalStorage object should be deleted by the Core destructor
 432   ThreadLocalStorage* tls = new ThreadLocalStorage(this);
 433   tls->Reference();
 434 }
 435
 436 void Core::RegisterObject( Dali::BaseObject* object )
 437 {
 438   mObjectRegistry = &ThreadLocalStorage::Get().GetObjectRegistry();
 439   mObjectRegistry->RegisterObject( object );
 440 }
 441
 442 void Core::UnregisterObject( Dali::BaseObject* object )
 443 {
 444   mObjectRegistry = &ThreadLocalStorage::Get().GetObjectRegistry();
 445   mObjectRegistry->UnregisterObject( object );
 446 }
 447
 448 Integration::RenderController& Core::GetRenderController()
 449 {
 450   return mRenderController;
 451 }
 452
 453 uint32_t* Core::ReserveMessageSlot( uint32_t size, bool updateScene )
 454 {
 455   return mUpdateManager->ReserveMessageSlot( size, updateScene );
 456 }
 457
 458 BufferIndex Core::GetEventBufferIndex() const
 459 {
 460   return mUpdateManager->GetEventBufferIndex();
 461 }
 462
 463 void Core::ForceNextUpdate()
 464 {
 465   mForceNextUpdate = true;
 466 }
 467
 468 bool Core::IsNextUpdateForced()
 469 {
 470   bool nextUpdateForced = mForceNextUpdate;
 471   mForceNextUpdate = false;
 472   return nextUpdateForced;
 473 }
 474
 475 } // namespace Internal
 476
 477 } // namespace Dali