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/render-tasks/render-task-list-impl.h>
  41 #include <dali/internal/event/size-negotiation/relayout-controller-impl.h>
  42
  43 #include <dali/internal/update/common/discard-queue.h>
  44 #include <dali/internal/update/common/texture-cache-dispatcher.h>
  45 #include <dali/internal/update/manager/update-manager.h>
  46 #include <dali/internal/update/manager/geometry-batcher.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   mShaderFactory(NULL),
 100   mGeometryBatcher( 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   mGeometryBatcher = new SceneGraph::GeometryBatcher();
 119
 120   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 121
 122   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction, *mGeometryBatcher, *mTextureUploadedQueue );
 123
 124   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 125   TextureCache& textureCache = mRenderManager->GetTextureCache();
 126
 127   ResourcePolicy::Discardable discardPolicy = ResourcePolicy::OWNED_DISCARD;
 128   if( dataRetentionPolicy == ResourcePolicy::DALI_RETAINS_ALL_DATA )
 129   {
 130     discardPolicy = ResourcePolicy::OWNED_RETAIN;
 131   }
 132   textureCache.SetDiscardBitmapsPolicy(discardPolicy);
 133
 134   mTextureCacheDispatcher = new SceneGraph::TextureCacheDispatcher( renderQueue, textureCache );
 135
 136   mDiscardQueue = new DiscardQueue( renderQueue );
 137
 138   mResourceManager = new ResourceManager(  mPlatform,
 139                                           *mNotificationManager,
 140                                           *mTextureCacheDispatcher,
 141                                           *mTextureUploadedQueue,
 142                                           *mDiscardQueue,
 143                                            renderQueue );
 144
 145   mUpdateManager = new UpdateManager( *mNotificationManager,
 146                                       *mAnimationPlaylist,
 147                                       *mPropertyNotificationManager,
 148                                       *mResourceManager,
 149                                       *mDiscardQueue,
 150                                        renderController,
 151                                       *mRenderManager,
 152                                        renderQueue,
 153                                       *mTextureCacheDispatcher,
 154                                       *mGeometryBatcher,
 155                                       *mRenderTaskProcessor );
 156
 157   mRenderManager->SetShaderSaver( *mUpdateManager );
 158
 159   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager ) );
 160
 161   // This must be called after stage is created but before stage initialization
 162   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 163
 164   mStage->Initialize();
 165
 166   mGestureEventProcessor = new GestureEventProcessor(*mStage, gestureManager, mRenderController);
 167   mEventProcessor = new EventProcessor(*mStage, *mNotificationManager, *mGestureEventProcessor);
 168
 169   mShaderFactory = new ShaderFactory();
 170   mUpdateManager->SetShaderSaver( *mShaderFactory );
 171
 172   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 173 }
 174
 175 Core::~Core()
 176 {
 177   /**
 178    * TODO this should be done by Adaptor, Core does not know about threading
 179    * First stop the resource loading thread(s)
 180    */
 181   mPlatform.JoinLoaderThreads();
 182
 183   /*
 184    * The order of destructing these singletons is important!!!
 185    */
 186
 187   // clear the thread local storage first
 188   // allows core to be created / deleted many times in the same thread (how TET cases work).
 189   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 190   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 191   if( tls )
 192   {
 193     tls->Remove();
 194     delete tls;
 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 mShaderFactory;
 210   delete mResourceManager;
 211   delete mDiscardQueue;
 212   delete mTextureCacheDispatcher;
 213   delete mUpdateManager;
 214   delete mRenderManager;
 215   delete mRenderTaskProcessor;
 216   delete mGeometryBatcher;
 217   delete mTextureUploadedQueue;
 218 }
 219
 220 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 221 {
 222   return mStage.Get();
 223 }
 224
 225 void Core::RecoverFromContextLoss()
 226 {
 227   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 228
 229   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 230 }
 231
 232 void Core::ContextCreated()
 233 {
 234   mRenderManager->ContextCreated();
 235 }
 236
 237 void Core::ContextDestroyed()
 238 {
 239   mRenderManager->ContextDestroyed();
 240 }
 241
 242 void Core::SurfaceResized( unsigned int width, unsigned int height )
 243 {
 244   mStage->SurfaceResized( width, height );
 245
 246   // The stage-size may be less than surface-size (reduced by top-margin)
 247   Vector2 size = mStage->GetSize();
 248   mRelayoutController->SetStageSize( size.width, size.height );
 249 }
 250
 251 void Core::SetTopMargin( unsigned int margin )
 252 {
 253   mStage->SetTopMargin( margin );
 254
 255   // The stage-size may be less than surface-size (reduced by top-margin)
 256   Vector2 size = mStage->GetSize();
 257   mRelayoutController->SetStageSize( size.width, size.height );
 258 }
 259
 260 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 261 {
 262   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 263 }
 264
 265 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 266 {
 267   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 268   // it is cached by frametime
 269   status.secondsFromLastFrame = elapsedSeconds;
 270
 271   // Render returns true when there are updates on the stage or one or more animations are completed.
 272   // Use the estimated time diff till we render as the elapsed time.
 273   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 274                                                 lastVSyncTimeMilliseconds,
 275                                                 nextVSyncTimeMilliseconds );
 276
 277   // Check the Notification Manager message queue to set needsNotification
 278   status.needsNotification = mNotificationManager->MessagesToProcess();
 279
 280   // No need to keep update running if there are notifications to process.
 281   // Any message to update will wake it up anyways
 282
 283   if ( mResourceManager->ResourcesToProcess() )
 284   {
 285     // If we are still processing resources, then we have to continue the update
 286     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 287   }
 288 }
 289
 290 void Core::Render( RenderStatus& status )
 291 {
 292   bool updateRequired = mRenderManager->Render( status );
 293
 294   status.SetNeedsUpdate( updateRequired );
 295 }
 296
 297 void Core::Suspend()
 298 {
 299   mPlatform.Suspend();
 300
 301   mIsActive = false;
 302 }
 303
 304 void Core::Resume()
 305 {
 306   mPlatform.Resume();
 307
 308   mIsActive = true;
 309
 310   // trigger processing of events queued up while paused
 311   ProcessEvents();
 312 }
 313
 314 void Core::SceneCreated()
 315 {
 316   mStage->EmitSceneCreatedSignal();
 317
 318   mRelayoutController->OnApplicationSceneCreated();
 319 }
 320
 321 void Core::QueueEvent( const Integration::Event& event )
 322 {
 323   mEventProcessor->QueueEvent( event );
 324 }
 325
 326 void Core::ProcessEvents()
 327 {
 328   // Guard against calls to ProcessEvents() during ProcessEvents()
 329   if( mProcessingEvent )
 330   {
 331     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 332     mRenderController.RequestProcessEventsOnIdle();
 333     return;
 334   }
 335
 336   mProcessingEvent = true;
 337   mRelayoutController->SetProcessingCoreEvents( true );
 338
 339   // Signal that any messages received will be flushed soon
 340   mUpdateManager->EventProcessingStarted();
 341
 342   mEventProcessor->ProcessEvents();
 343
 344   mNotificationManager->ProcessMessages();
 345
 346   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 347   if( mIsActive )
 348   {
 349     // Emit signal here to inform listeners that event processing has finished.
 350     mStage->EmitEventProcessingFinishedSignal();
 351
 352     // Run the size negotiation after event processing finished signal
 353     mRelayoutController->Relayout();
 354
 355     // Flush any queued messages for the update-thread
 356     const bool messagesToProcess = mUpdateManager->FlushQueue();
 357
 358     // Check if the touch or gestures require updates.
 359     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 360
 361     if( messagesToProcess || gestureNeedsUpdate )
 362     {
 363       // tell the render controller to keep update thread running
 364       mRenderController.RequestUpdate();
 365     }
 366   }
 367
 368   mRelayoutController->SetProcessingCoreEvents( false );
 369
 370   // ProcessEvents() may now be called again
 371   mProcessingEvent = false;
 372 }
 373
 374 unsigned int Core::GetMaximumUpdateCount() const
 375 {
 376   return MAXIMUM_UPDATE_COUNT;
 377 }
 378
 379 Integration::SystemOverlay& Core::GetSystemOverlay()
 380 {
 381   return mStage->GetSystemOverlay();
 382 }
 383
 384 void Core::SetViewMode( ViewMode viewMode )
 385 {
 386   mStage->SetViewMode( viewMode );
 387 }
 388
 389 ViewMode Core::GetViewMode() const
 390 {
 391   return mStage->GetViewMode();
 392 }
 393
 394 void Core::SetStereoBase( float stereoBase )
 395 {
 396   mStage->SetStereoBase( stereoBase );
 397 }
 398
 399 float Core::GetStereoBase() const
 400 {
 401   return mStage->GetStereoBase();
 402 }
 403
 404 StagePtr Core::GetCurrentStage()
 405 {
 406   return mStage.Get();
 407 }
 408
 409 PlatformAbstraction& Core::GetPlatform()
 410 {
 411   return mPlatform;
 412 }
 413
 414 UpdateManager& Core::GetUpdateManager()
 415 {
 416   return *(mUpdateManager);
 417 }
 418
 419 RenderManager& Core::GetRenderManager()
 420 {
 421   return *(mRenderManager);
 422 }
 423
 424 NotificationManager& Core::GetNotificationManager()
 425 {
 426   return *(mNotificationManager);
 427 }
 428
 429 ResourceManager& Core::GetResourceManager()
 430 {
 431   return *(mResourceManager);
 432 }
 433
 434 ShaderFactory& Core::GetShaderFactory()
 435 {
 436   return *(mShaderFactory);
 437 }
 438
 439 GestureEventProcessor& Core::GetGestureEventProcessor()
 440 {
 441   return *(mGestureEventProcessor);
 442 }
 443
 444 RelayoutController& Core::GetRelayoutController()
 445 {
 446   return *(mRelayoutController.Get());
 447 }
 448
 449 void Core::CreateThreadLocalStorage()
 450 {
 451   // a pointer to the ThreadLocalStorage object will be stored in TLS
 452   // The ThreadLocalStorage object should be deleted by the Core destructor
 453   new ThreadLocalStorage(this);
 454 }
 455
 456 } // namespace Internal
 457
 458 } // namespace Dali