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     delete tls;
 196   }
 197
 198   // Stop relayout requests being raised on stage destruction
 199   mRelayoutController.Reset();
 200
 201   // Clean-up stage - remove default camera and root layer
 202   mStage->Uninitialize();
 203
 204   // remove (last?) reference to stage
 205   mStage.Reset();
 206
 207   delete mEventProcessor;
 208   delete mGestureEventProcessor;
 209   delete mNotificationManager;
 210   delete mImageFactory;
 211   delete mShaderFactory;
 212   delete mResourceClient;
 213   delete mResourceManager;
 214   delete mDiscardQueue;
 215   delete mTextureCacheDispatcher;
 216   delete mUpdateManager;
 217   delete mRenderManager;
 218   delete mRenderTaskProcessor;
 219   delete mTextureUploadedQueue;
 220 }
 221
 222 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 223 {
 224   return mStage.Get();
 225 }
 226
 227 void Core::RecoverFromContextLoss()
 228 {
 229   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 230
 231   mImageFactory->RecoverFromContextLoss(); // Reload images from files
 232   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 233 }
 234
 235 void Core::ContextCreated()
 236 {
 237   mRenderManager->ContextCreated();
 238 }
 239
 240 void Core::ContextDestroyed()
 241 {
 242   mRenderManager->ContextDestroyed();
 243 }
 244
 245 void Core::SurfaceResized( unsigned int width, unsigned int height )
 246 {
 247   mStage->SurfaceResized( width, height );
 248
 249   // The stage-size may be less than surface-size (reduced by top-margin)
 250   Vector2 size = mStage->GetSize();
 251   mRelayoutController->SetStageSize( size.width, size.height );
 252 }
 253
 254 void Core::SetTopMargin( unsigned int margin )
 255 {
 256   mStage->SetTopMargin( margin );
 257
 258   // The stage-size may be less than surface-size (reduced by top-margin)
 259   Vector2 size = mStage->GetSize();
 260   mRelayoutController->SetStageSize( size.width, size.height );
 261 }
 262
 263 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 264 {
 265   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 266 }
 267
 268 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 269 {
 270   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 271   // it is cached by frametime
 272   status.secondsFromLastFrame = elapsedSeconds;
 273
 274   // Render returns true when there are updates on the stage or one or more animations are completed.
 275   // Use the estimated time diff till we render as the elapsed time.
 276   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 277                                                 lastVSyncTimeMilliseconds,
 278                                                 nextVSyncTimeMilliseconds );
 279
 280   // Check the Notification Manager message queue to set needsNotification
 281   status.needsNotification = mNotificationManager->MessagesToProcess();
 282
 283   // No need to keep update running if there are notifications to process.
 284   // Any message to update will wake it up anyways
 285
 286   if ( mResourceManager->ResourcesToProcess() )
 287   {
 288     // If we are still processing resources, then we have to continue the update
 289     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 290   }
 291 }
 292
 293 void Core::Render( RenderStatus& status )
 294 {
 295   bool updateRequired = mRenderManager->Render( status );
 296
 297   status.SetNeedsUpdate( updateRequired );
 298 }
 299
 300 void Core::Suspend()
 301 {
 302   mPlatform.Suspend();
 303
 304   mIsActive = false;
 305 }
 306
 307 void Core::Resume()
 308 {
 309   mPlatform.Resume();
 310
 311   mIsActive = true;
 312
 313   // trigger processing of events queued up while paused
 314   ProcessEvents();
 315 }
 316
 317 void Core::SceneCreated()
 318 {
 319   mStage->EmitSceneCreatedSignal();
 320
 321   mRelayoutController->OnApplicationSceneCreated();
 322 }
 323
 324 void Core::QueueEvent( const Integration::Event& event )
 325 {
 326   mEventProcessor->QueueEvent( event );
 327 }
 328
 329 void Core::ProcessEvents()
 330 {
 331   // Guard against calls to ProcessEvents() during ProcessEvents()
 332   if( mProcessingEvent )
 333   {
 334     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 335     mRenderController.RequestProcessEventsOnIdle();
 336     return;
 337   }
 338
 339   mProcessingEvent = true;
 340   mRelayoutController->SetProcessingCoreEvents( true );
 341
 342   // Signal that any messages received will be flushed soon
 343   mUpdateManager->EventProcessingStarted();
 344
 345   mEventProcessor->ProcessEvents();
 346
 347   mNotificationManager->ProcessMessages();
 348
 349   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 350   if( mIsActive )
 351   {
 352     // Emit signal here to start size negotiation and control relayout.
 353     mStage->EmitEventProcessingFinishedSignal();
 354
 355     // Run the size negotiation after event processing finished signal
 356     mRelayoutController->Relayout();
 357
 358     // Flush discard queue for image factory
 359     mImageFactory->FlushReleaseQueue();
 360
 361     // Flush any queued messages for the update-thread
 362     const bool messagesToProcess = mUpdateManager->FlushQueue();
 363
 364     // Check if the touch or gestures require updates.
 365     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 366
 367     if( messagesToProcess || gestureNeedsUpdate )
 368     {
 369       // tell the render controller to keep update thread running
 370       mRenderController.RequestUpdate();
 371     }
 372   }
 373
 374   mRelayoutController->SetProcessingCoreEvents( false );
 375
 376   // ProcessEvents() may now be called again
 377   mProcessingEvent = false;
 378 }
 379
 380 unsigned int Core::GetMaximumUpdateCount() const
 381 {
 382   return MAXIMUM_UPDATE_COUNT;
 383 }
 384
 385 Integration::SystemOverlay& Core::GetSystemOverlay()
 386 {
 387   return mStage->GetSystemOverlay();
 388 }
 389
 390 void Core::SetViewMode( ViewMode viewMode )
 391 {
 392   mStage->SetViewMode( viewMode );
 393 }
 394
 395 ViewMode Core::GetViewMode() const
 396 {
 397   return mStage->GetViewMode();
 398 }
 399
 400 void Core::SetStereoBase( float stereoBase )
 401 {
 402   mStage->SetStereoBase( stereoBase );
 403 }
 404
 405 float Core::GetStereoBase() const
 406 {
 407   return mStage->GetStereoBase();
 408 }
 409
 410 StagePtr Core::GetCurrentStage()
 411 {
 412   return mStage.Get();
 413 }
 414
 415 PlatformAbstraction& Core::GetPlatform()
 416 {
 417   return mPlatform;
 418 }
 419
 420 UpdateManager& Core::GetUpdateManager()
 421 {
 422   return *(mUpdateManager);
 423 }
 424
 425 RenderManager& Core::GetRenderManager()
 426 {
 427   return *(mRenderManager);
 428 }
 429
 430 NotificationManager& Core::GetNotificationManager()
 431 {
 432   return *(mNotificationManager);
 433 }
 434
 435 ResourceManager& Core::GetResourceManager()
 436 {
 437   return *(mResourceManager);
 438 }
 439
 440 ResourceClient& Core::GetResourceClient()
 441 {
 442   return *(mResourceClient);
 443 }
 444
 445 ImageFactory& Core::GetImageFactory()
 446 {
 447   return *(mImageFactory);
 448 }
 449
 450 ShaderFactory& Core::GetShaderFactory()
 451 {
 452   return *(mShaderFactory);
 453 }
 454
 455 GestureEventProcessor& Core::GetGestureEventProcessor()
 456 {
 457   return *(mGestureEventProcessor);
 458 }
 459
 460 RelayoutController& Core::GetRelayoutController()
 461 {
 462   return *(mRelayoutController.Get());
 463 }
 464
 465 void Core::CreateThreadLocalStorage()
 466 {
 467   // a pointer to the ThreadLocalStorage object will be stored in TLS
 468   // The ThreadLocalStorage object should be deleted by the Core destructor
 469   new ThreadLocalStorage(this);
 470 }
 471
 472 } // namespace Internal
 473
 474 } // namespace Dali