dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2016 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/system-overlay.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-sync-abstraction.h>
  27 #include <dali/integration-api/platform-abstraction.h>
  28 #include <dali/integration-api/render-controller.h>
  29
  30 #include <dali/internal/event/actors/actor-impl.h>
  31 #include <dali/internal/event/animation/animation-playlist.h>
  32 #include <dali/internal/event/common/notification-manager.h>
  33 #include <dali/internal/event/common/property-notification-manager.h>
  34 #include <dali/internal/event/common/stage-impl.h>
  35 #include <dali/internal/event/common/thread-local-storage.h>
  36 #include <dali/internal/event/common/type-registry-impl.h>
  37 #include <dali/internal/event/effects/shader-factory.h>
  38 #include <dali/internal/event/events/event-processor.h>
  39 #include <dali/internal/event/events/gesture-event-processor.h>
  40 #include <dali/internal/event/images/image-factory.h>
  41 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  42 #include <dali/internal/event/size-negotiation/relayout-controller-impl.h>
  43
  44 #include <dali/internal/update/common/discard-queue.h>
  45 #include <dali/internal/update/common/texture-cache-dispatcher.h>
  46 #include <dali/internal/update/manager/update-manager.h>
  47 #include <dali/internal/update/manager/render-task-processor.h>
  48 #include <dali/internal/update/resources/resource-manager.h>
  49
  50 #include <dali/internal/render/common/performance-monitor.h>
  51 #include <dali/internal/render/common/render-manager.h>
  52 #include <dali/internal/render/gl-resources/texture-cache.h>
  53 #include <dali/internal/render/gl-resources/context.h>
  54
  55 using Dali::Internal::SceneGraph::UpdateManager;
  56 using Dali::Internal::SceneGraph::RenderManager;
  57 using Dali::Internal::SceneGraph::DiscardQueue;
  58 using Dali::Internal::SceneGraph::RenderQueue;
  59 using Dali::Internal::SceneGraph::TextureCache;
  60 using Dali::Internal::SceneGraph::TextureCacheDispatcher;
  61
  62 namespace
  63 {
  64 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  65 const unsigned int MAXIMUM_UPDATE_COUNT = 2u;
  66
  67 #if defined(DEBUG_ENABLED)
  68 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  69 #endif
  70 }
  71
  72 namespace Dali
  73 {
  74
  75 namespace Internal
  76 {
  77
  78 using Integration::RenderController;
  79 using Integration::PlatformAbstraction;
  80 using Integration::GlSyncAbstraction;
  81 using Integration::GestureManager;
  82 using Integration::GlAbstraction;
  83 using Integration::Event;
  84 using Integration::UpdateStatus;
  85 using Integration::RenderStatus;
  86
  87 Core::Core( RenderController& renderController, PlatformAbstraction& platform,
  88             GlAbstraction& glAbstraction, GlSyncAbstraction& glSyncAbstraction,
  89             GestureManager& gestureManager, ResourcePolicy::DataRetention dataRetentionPolicy)
  90 : mRenderController( renderController ),
  91   mPlatform(platform),
  92   mGestureEventProcessor(NULL),
  93   mEventProcessor(NULL),
  94   mUpdateManager(NULL),
  95   mRenderManager(NULL),
  96   mDiscardQueue(NULL),
  97   mTextureUploadedQueue(),
  98   mNotificationManager(NULL),
  99   mImageFactory(NULL),
 100   mShaderFactory(NULL),
 101   mIsActive(true),
 102   mProcessingEvent(false)
 103 {
 104   // Create the thread local storage
 105   CreateThreadLocalStorage();
 106
 107   // This does nothing until Core is built with --enable-performance-monitor
 108   PERFORMANCE_MONITOR_INIT( platform );
 109
 110   mNotificationManager = new NotificationManager();
 111
 112   mAnimationPlaylist = AnimationPlaylist::New();
 113
 114   mPropertyNotificationManager = PropertyNotificationManager::New();
 115
 116   mTextureUploadedQueue = new LockedResourceQueue;
 117
 118   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction, *mTextureUploadedQueue );
 119
 120   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 121
 122   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 123   TextureCache& textureCache = mRenderManager->GetTextureCache();
 124
 125   ResourcePolicy::Discardable discardPolicy = ResourcePolicy::OWNED_DISCARD;
 126   if( dataRetentionPolicy == ResourcePolicy::DALI_RETAINS_ALL_DATA )
 127   {
 128     discardPolicy = ResourcePolicy::OWNED_RETAIN;
 129   }
 130   textureCache.SetDiscardBitmapsPolicy(discardPolicy);
 131
 132   mTextureCacheDispatcher = new SceneGraph::TextureCacheDispatcher( renderQueue, textureCache );
 133
 134   mDiscardQueue = new DiscardQueue( renderQueue );
 135
 136   mResourceManager = new ResourceManager(  mPlatform,
 137                                           *mNotificationManager,
 138                                           *mTextureCacheDispatcher,
 139                                           *mTextureUploadedQueue,
 140                                           *mDiscardQueue,
 141                                            renderQueue );
 142
 143   mUpdateManager = new UpdateManager( *mNotificationManager,
 144                                       *mAnimationPlaylist,
 145                                       *mPropertyNotificationManager,
 146                                       *mResourceManager,
 147                                       *mDiscardQueue,
 148                                        renderController,
 149                                       *mRenderManager,
 150                                        renderQueue,
 151                                       *mTextureCacheDispatcher,
 152                                       *mRenderTaskProcessor );
 153
 154   mRenderManager->SetShaderSaver( *mUpdateManager );
 155
 156   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager ) );
 157
 158   // This must be called after stage is created but before stage initialization
 159   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 160
 161   mStage->Initialize();
 162
 163   mResourceClient = new ResourceClient( *mResourceManager, *mStage );
 164
 165   mGestureEventProcessor = new GestureEventProcessor(*mStage, gestureManager, mRenderController);
 166   mEventProcessor = new EventProcessor(*mStage, *mNotificationManager, *mGestureEventProcessor);
 167
 168   mImageFactory = new ImageFactory( *mResourceClient );
 169   mShaderFactory = new ShaderFactory();
 170   mUpdateManager->SetShaderSaver( *mShaderFactory );
 171   mShaderFactory->LoadDefaultShaders();
 172
 173   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 174 }
 175
 176 Core::~Core()
 177 {
 178   /**
 179    * TODO this should be done by Adaptor, Core does not know about threading
 180    * First stop the resource loading thread(s)
 181    */
 182   mPlatform.JoinLoaderThreads();
 183
 184   /*
 185    * The order of destructing these singletons is important!!!
 186    */
 187
 188   // clear the thread local storage first
 189   // allows core to be created / deleted many times in the same thread (how TET cases work).
 190   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 191   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 192   if( tls )
 193   {
 194     tls->Remove();
 195   }
 196
 197   // Stop relayout requests being raised on stage destruction
 198   mRelayoutController.Reset();
 199
 200   // Clean-up stage - remove default camera and root layer
 201   mStage->Uninitialize();
 202
 203   // remove (last?) reference to stage
 204   mStage.Reset();
 205
 206   delete mEventProcessor;
 207   delete mGestureEventProcessor;
 208   delete mNotificationManager;
 209   delete mImageFactory;
 210   delete mShaderFactory;
 211   delete mResourceClient;
 212   delete mResourceManager;
 213   delete mDiscardQueue;
 214   delete mTextureCacheDispatcher;
 215   delete mUpdateManager;
 216   delete mRenderManager;
 217   delete mRenderTaskProcessor;
 218   delete mTextureUploadedQueue;
 219 }
 220
 221 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 222 {
 223   return mStage.Get();
 224 }
 225
 226 void Core::RecoverFromContextLoss()
 227 {
 228   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 229
 230   mImageFactory->RecoverFromContextLoss(); // Reload images from files
 231   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 232 }
 233
 234 void Core::ContextCreated()
 235 {
 236   mRenderManager->ContextCreated();
 237 }
 238
 239 void Core::ContextDestroyed()
 240 {
 241   mRenderManager->ContextDestroyed();
 242 }
 243
 244 void Core::SurfaceResized( unsigned int width, unsigned int height )
 245 {
 246   mStage->SurfaceResized( width, height );
 247
 248   // The stage-size may be less than surface-size (reduced by top-margin)
 249   Vector2 size = mStage->GetSize();
 250   mRelayoutController->SetStageSize( size.width, size.height );
 251 }
 252
 253 void Core::SetTopMargin( unsigned int margin )
 254 {
 255   mStage->SetTopMargin( margin );
 256
 257   // The stage-size may be less than surface-size (reduced by top-margin)
 258   Vector2 size = mStage->GetSize();
 259   mRelayoutController->SetStageSize( size.width, size.height );
 260 }
 261
 262 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 263 {
 264   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 265 }
 266
 267 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 268 {
 269   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 270   // it is cached by frametime
 271   status.secondsFromLastFrame = elapsedSeconds;
 272
 273   // Render returns true when there are updates on the stage or one or more animations are completed.
 274   // Use the estimated time diff till we render as the elapsed time.
 275   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 276                                                 lastVSyncTimeMilliseconds,
 277                                                 nextVSyncTimeMilliseconds );
 278
 279   // Check the Notification Manager message queue to set needsNotification
 280   status.needsNotification = mNotificationManager->MessagesToProcess();
 281
 282   // No need to keep update running if there are notifications to process.
 283   // Any message to update will wake it up anyways
 284
 285   if ( mResourceManager->ResourcesToProcess() )
 286   {
 287     // If we are still processing resources, then we have to continue the update
 288     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 289   }
 290 }
 291
 292 void Core::Render( RenderStatus& status )
 293 {
 294   bool updateRequired = mRenderManager->Render( status );
 295
 296   status.SetNeedsUpdate( updateRequired );
 297 }
 298
 299 void Core::Suspend()
 300 {
 301   mPlatform.Suspend();
 302
 303   mIsActive = false;
 304 }
 305
 306 void Core::Resume()
 307 {
 308   mPlatform.Resume();
 309
 310   mIsActive = true;
 311
 312   // trigger processing of events queued up while paused
 313   ProcessEvents();
 314 }
 315
 316 void Core::SceneCreated()
 317 {
 318   mStage->EmitSceneCreatedSignal();
 319
 320   mRelayoutController->OnApplicationSceneCreated();
 321 }
 322
 323 void Core::QueueEvent( const Integration::Event& event )
 324 {
 325   mEventProcessor->QueueEvent( event );
 326 }
 327
 328 void Core::ProcessEvents()
 329 {
 330   // Guard against calls to ProcessEvents() during ProcessEvents()
 331   if( mProcessingEvent )
 332   {
 333     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 334     mRenderController.RequestProcessEventsOnIdle();
 335     return;
 336   }
 337
 338   mProcessingEvent = true;
 339   mRelayoutController->SetProcessingCoreEvents( true );
 340
 341   // Signal that any messages received will be flushed soon
 342   mUpdateManager->EventProcessingStarted();
 343
 344   mEventProcessor->ProcessEvents();
 345
 346   mNotificationManager->ProcessMessages();
 347
 348   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 349   if( mIsActive )
 350   {
 351     // Emit signal here to start size negotiation and control relayout.
 352     mStage->EmitEventProcessingFinishedSignal();
 353
 354     // Run the size negotiation after event processing finished signal
 355     mRelayoutController->Relayout();
 356
 357     // Flush discard queue for image factory
 358     mImageFactory->FlushReleaseQueue();
 359
 360     // Flush any queued messages for the update-thread
 361     const bool messagesToProcess = mUpdateManager->FlushQueue();
 362
 363     // Check if the touch or gestures require updates.
 364     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 365
 366     if( messagesToProcess || gestureNeedsUpdate )
 367     {
 368       // tell the render controller to keep update thread running
 369       mRenderController.RequestUpdate();
 370     }
 371   }
 372
 373   mRelayoutController->SetProcessingCoreEvents( false );
 374
 375   // ProcessEvents() may now be called again
 376   mProcessingEvent = false;
 377 }
 378
 379 unsigned int Core::GetMaximumUpdateCount() const
 380 {
 381   return MAXIMUM_UPDATE_COUNT;
 382 }
 383
 384 Integration::SystemOverlay& Core::GetSystemOverlay()
 385 {
 386   return mStage->GetSystemOverlay();
 387 }
 388
 389 void Core::SetViewMode( ViewMode viewMode )
 390 {
 391   mStage->SetViewMode( viewMode );
 392 }
 393
 394 ViewMode Core::GetViewMode() const
 395 {
 396   return mStage->GetViewMode();
 397 }
 398
 399 void Core::SetStereoBase( float stereoBase )
 400 {
 401   mStage->SetStereoBase( stereoBase );
 402 }
 403
 404 float Core::GetStereoBase() const
 405 {
 406   return mStage->GetStereoBase();
 407 }
 408
 409 StagePtr Core::GetCurrentStage()
 410 {
 411   return mStage.Get();
 412 }
 413
 414 PlatformAbstraction& Core::GetPlatform()
 415 {
 416   return mPlatform;
 417 }
 418
 419 UpdateManager& Core::GetUpdateManager()
 420 {
 421   return *(mUpdateManager);
 422 }
 423
 424 RenderManager& Core::GetRenderManager()
 425 {
 426   return *(mRenderManager);
 427 }
 428
 429 NotificationManager& Core::GetNotificationManager()
 430 {
 431   return *(mNotificationManager);
 432 }
 433
 434 ResourceManager& Core::GetResourceManager()
 435 {
 436   return *(mResourceManager);
 437 }
 438
 439 ResourceClient& Core::GetResourceClient()
 440 {
 441   return *(mResourceClient);
 442 }
 443
 444 ImageFactory& Core::GetImageFactory()
 445 {
 446   return *(mImageFactory);
 447 }
 448
 449 ShaderFactory& Core::GetShaderFactory()
 450 {
 451   return *(mShaderFactory);
 452 }
 453
 454 GestureEventProcessor& Core::GetGestureEventProcessor()
 455 {
 456   return *(mGestureEventProcessor);
 457 }
 458
 459 RelayoutController& Core::GetRelayoutController()
 460 {
 461   return *(mRelayoutController.Get());
 462 }
 463
 464 void Core::CreateThreadLocalStorage()
 465 {
 466   // a pointer to the ThreadLocalStorage object will be stored in TLS
 467   // and automatically deleted when the thread is killed
 468   new ThreadLocalStorage(this);
 469 }
 470
 471 } // namespace Internal
 472
 473 } // namespace Dali