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