dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2019 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/platform-abstraction.h>
  27 #include <dali/integration-api/processor-interface.h>
  28 #include <dali/integration-api/render-controller.h>
  29 #include <dali/integration-api/render-surface.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::GestureManager;
  78 using Integration::GlAbstraction;
  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             GestureManager& gestureManager,
  88             ResourcePolicy::DataRetention dataRetentionPolicy,
  89             Integration::RenderToFrameBuffer renderToFboEnabled,
  90             Integration::DepthBufferAvailable depthBufferAvailable,
  91             Integration::StencilBufferAvailable stencilBufferAvailable )
  92 : mRenderController( renderController ),
  93   mPlatform(platform),
  94   mProcessingEvent(false),
  95   mForceNextUpdate( false )
  96 {
  97   // Create the thread local storage
  98   CreateThreadLocalStorage();
  99
 100   // This does nothing until Core is built with --enable-performance-monitor
 101   PERFORMANCE_MONITOR_INIT( platform );
 102
 103   mNotificationManager = new NotificationManager();
 104
 105   mAnimationPlaylist = AnimationPlaylist::New();
 106
 107   mPropertyNotificationManager = PropertyNotificationManager::New();
 108
 109   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 110
 111   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction, depthBufferAvailable, stencilBufferAvailable );
 112
 113   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 114
 115   mDiscardQueue = new DiscardQueue( renderQueue );
 116
 117   mUpdateManager = new UpdateManager( *mNotificationManager,
 118                                       *mAnimationPlaylist,
 119                                       *mPropertyNotificationManager,
 120                                       *mDiscardQueue,
 121                                        renderController,
 122                                       *mRenderManager,
 123                                        renderQueue,
 124                                       *mRenderTaskProcessor );
 125
 126   mRenderManager->SetShaderSaver( *mUpdateManager );
 127
 128   mObjectRegistry = ObjectRegistry::New();
 129
 130   mStage = IntrusivePtr<Stage>( Stage::New( *mUpdateManager ) );
 131
 132   // This must be called after stage is created but before stage initialization
 133   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 134
 135   mGestureEventProcessor = new GestureEventProcessor( *mStage, *mUpdateManager, gestureManager, mRenderController );
 136   mEventProcessor = new EventProcessor( *mStage, *mNotificationManager, *mGestureEventProcessor );
 137
 138   mShaderFactory = new ShaderFactory();
 139   mUpdateManager->SetShaderSaver( *mShaderFactory );
 140
 141   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 142 }
 143
 144 Core::~Core()
 145 {
 146   /*
 147    * The order of destructing these singletons is important!!!
 148    */
 149
 150   // clear the thread local storage first
 151   // allows core to be created / deleted many times in the same thread (how TET cases work).
 152   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 153   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 154   if( tls )
 155   {
 156     tls->Remove();
 157     delete tls;
 158   }
 159
 160   mObjectRegistry.Reset();
 161
 162   // Stop relayout requests being raised on stage destruction
 163   mRelayoutController.Reset();
 164
 165   // remove (last?) reference to stage
 166   mStage.Reset();
 167
 168 }
 169
 170 void Core::Initialize()
 171 {
 172   mStage->Initialize( *mScenes[0] );
 173 }
 174
 175 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 176 {
 177   return mStage.Get();
 178 }
 179
 180 void Core::RecoverFromContextLoss()
 181 {
 182   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 183
 184   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 185 }
 186
 187 void Core::ContextCreated()
 188 {
 189   mRenderManager->ContextCreated();
 190 }
 191
 192 void Core::ContextDestroyed()
 193 {
 194   mRenderManager->ContextDestroyed();
 195 }
 196
 197 void Core::SurfaceResized( Integration::RenderSurface* surface )
 198 {
 199   for( auto iter = mScenes.begin(); iter != mScenes.end(); ++iter )
 200   {
 201     if( (*iter)->GetSurface() == surface )
 202     {
 203       (*iter)->SetSurface( *surface );
 204     }
 205   }
 206 }
 207
 208 void Core::Update( float elapsedSeconds, uint32_t lastVSyncTimeMilliseconds, uint32_t nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo )
 209 {
 210   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 211   // it is cached by frametime
 212   status.secondsFromLastFrame = elapsedSeconds;
 213
 214   // Render returns true when there are updates on the stage or one or more animations are completed.
 215   // Use the estimated time diff till we render as the elapsed time.
 216   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 217                                                 lastVSyncTimeMilliseconds,
 218                                                 nextVSyncTimeMilliseconds,
 219                                                 renderToFboEnabled,
 220                                                 isRenderingToFbo );
 221
 222   // Check the Notification Manager message queue to set needsNotification
 223   status.needsNotification = mNotificationManager->MessagesToProcess();
 224
 225   // Check if the default surface is changed
 226   status.surfaceRectChanged = mUpdateManager->IsDefaultSurfaceRectChanged();
 227
 228   // No need to keep update running if there are notifications to process.
 229   // Any message to update will wake it up anyways
 230 }
 231
 232 void Core::Render( RenderStatus& status, bool forceClear )
 233 {
 234   mRenderManager->Render( status, forceClear );
 235 }
 236
 237 void Core::SceneCreated()
 238 {
 239   mStage->EmitSceneCreatedSignal();
 240
 241   mRelayoutController->OnApplicationSceneCreated();
 242
 243   for( auto iter = mScenes.begin(); iter != mScenes.end(); ++iter )
 244   {
 245     Dali::Actor sceneRootLayer = (*iter)->GetRootLayer();
 246     mRelayoutController->RequestRelayoutTree( sceneRootLayer );
 247   }
 248 }
 249
 250 void Core::QueueEvent( const Integration::Event& event )
 251 {
 252   mEventProcessor->QueueEvent( event );
 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   mEventProcessor->ProcessEvents();
 272
 273   mNotificationManager->ProcessMessages();
 274
 275   // Emit signal here to inform listeners that event processing has finished.
 276   mStage->EmitEventProcessingFinishedSignal();
 277
 278   // Run any registered processors
 279   RunProcessors();
 280
 281   // Run the size negotiation after event processing finished signal
 282   mRelayoutController->Relayout();
 283
 284
 285   // Rebuild depth tree after event processing has finished
 286   for( auto iter = mScenes.begin(); iter != mScenes.end(); ++iter )
 287   {
 288     (*iter)->RebuildDepthTree();
 289   }
 290
 291   // Flush any queued messages for the update-thread
 292   const bool messagesToProcess = mUpdateManager->FlushQueue();
 293
 294   // Check if the touch or gestures require updates.
 295   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 296   // Check if the next update is forced.
 297   const bool forceUpdate = IsNextUpdateForced();
 298
 299   if( messagesToProcess || gestureNeedsUpdate || forceUpdate )
 300   {
 301     // tell the render controller to keep update thread running
 302     mRenderController.RequestUpdate( forceUpdate );
 303   }
 304
 305   mRelayoutController->SetProcessingCoreEvents( false );
 306
 307   // ProcessEvents() may now be called again
 308   mProcessingEvent = false;
 309 }
 310
 311 uint32_t Core::GetMaximumUpdateCount() const
 312 {
 313   return MAXIMUM_UPDATE_COUNT;
 314 }
 315
 316 void Core::RegisterProcessor( Integration::Processor& processor )
 317 {
 318   mProcessors.PushBack(&processor);
 319 }
 320
 321 void Core::UnregisterProcessor( Integration::Processor& processor )
 322 {
 323   auto iter = std::find( mProcessors.Begin(), mProcessors.End(), &processor );
 324   if( iter != mProcessors.End() )
 325   {
 326     mProcessors.Erase( iter );
 327   }
 328 }
 329
 330 void Core::RunProcessors()
 331 {
 332   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 333   Dali::Vector<Integration::Processor*> processors( mProcessors );
 334
 335   for( auto processor : processors )
 336   {
 337     if( processor )
 338     {
 339       processor->Process();
 340     }
 341   }
 342 }
 343
 344 StagePtr Core::GetCurrentStage()
 345 {
 346   return mStage.Get();
 347 }
 348
 349 PlatformAbstraction& Core::GetPlatform()
 350 {
 351   return mPlatform;
 352 }
 353
 354 UpdateManager& Core::GetUpdateManager()
 355 {
 356   return *(mUpdateManager);
 357 }
 358
 359 RenderManager& Core::GetRenderManager()
 360 {
 361   return *(mRenderManager);
 362 }
 363
 364 NotificationManager& Core::GetNotificationManager()
 365 {
 366   return *(mNotificationManager);
 367 }
 368
 369 ShaderFactory& Core::GetShaderFactory()
 370 {
 371   return *(mShaderFactory);
 372 }
 373
 374 GestureEventProcessor& Core::GetGestureEventProcessor()
 375 {
 376   return *(mGestureEventProcessor);
 377 }
 378
 379 RelayoutController& Core::GetRelayoutController()
 380 {
 381   return *(mRelayoutController.Get());
 382 }
 383
 384 ObjectRegistry& Core::GetObjectRegistry() const
 385 {
 386   return *(mObjectRegistry.Get());
 387 }
 388
 389 EventThreadServices& Core::GetEventThreadServices()
 390 {
 391   return *this;
 392 }
 393
 394 PropertyNotificationManager& Core::GetPropertyNotificationManager() const
 395 {
 396   return *(mPropertyNotificationManager);
 397 }
 398
 399 AnimationPlaylist& Core::GetAnimationPlaylist() const
 400 {
 401   return *(mAnimationPlaylist);
 402 }
 403
 404 void Core::AddScene( Scene* scene )
 405 {
 406   mScenes.push_back( scene );
 407 }
 408
 409 void Core::RemoveScene( Scene* scene )
 410 {
 411   auto iter = std::find( mScenes.begin(), mScenes.end(), scene );
 412   if( iter != mScenes.end() )
 413   {
 414     mScenes.erase( iter );
 415   }
 416 }
 417
 418 void Core::CreateThreadLocalStorage()
 419 {
 420   // a pointer to the ThreadLocalStorage object will be stored in TLS
 421   // The ThreadLocalStorage object should be deleted by the Core destructor
 422   new ThreadLocalStorage(this);
 423 }
 424
 425 void Core::RegisterObject( Dali::BaseObject* object )
 426 {
 427   mObjectRegistry = &ThreadLocalStorage::Get().GetObjectRegistry();
 428   mObjectRegistry->RegisterObject( object );
 429 }
 430
 431 void Core::UnregisterObject( Dali::BaseObject* object )
 432 {
 433   mObjectRegistry = &ThreadLocalStorage::Get().GetObjectRegistry();
 434   mObjectRegistry->UnregisterObject( object );
 435 }
 436
 437 Integration::RenderController& Core::GetRenderController()
 438 {
 439   return mRenderController;
 440 }
 441
 442 uint32_t* Core::ReserveMessageSlot( uint32_t size, bool updateScene )
 443 {
 444   return mUpdateManager->ReserveMessageSlot( size, updateScene );
 445 }
 446
 447 BufferIndex Core::GetEventBufferIndex() const
 448 {
 449   return mUpdateManager->GetEventBufferIndex();
 450 }
 451
 452 void Core::ForceNextUpdate()
 453 {
 454   mForceNextUpdate = true;
 455 }
 456
 457 bool Core::IsNextUpdateForced()
 458 {
 459   bool nextUpdateForced = mForceNextUpdate;
 460   mForceNextUpdate = false;
 461   return nextUpdateForced;
 462 }
 463
 464 } // namespace Internal
 465
 466 } // namespace Dali