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