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   }
 195
 196   // Stop relayout requests being raised on stage destruction
 197   mRelayoutController.Reset();
 198
 199   // Clean-up stage - remove default camera and root layer
 200   mStage->Uninitialize();
 201
 202   // remove (last?) reference to stage
 203   mStage.Reset();
 204
 205   delete mEventProcessor;
 206   delete mGestureEventProcessor;
 207   delete mNotificationManager;
 208   delete mShaderFactory;
 209   delete mResourceManager;
 210   delete mDiscardQueue;
 211   delete mTextureCacheDispatcher;
 212   delete mUpdateManager;
 213   delete mRenderManager;
 214   delete mRenderTaskProcessor;
 215   delete mGeometryBatcher;
 216   delete mTextureUploadedQueue;
 217 }
 218
 219 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 220 {
 221   return mStage.Get();
 222 }
 223
 224 void Core::RecoverFromContextLoss()
 225 {
 226   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 227
 228   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 229 }
 230
 231 void Core::ContextCreated()
 232 {
 233   mRenderManager->ContextCreated();
 234 }
 235
 236 void Core::ContextDestroyed()
 237 {
 238   mRenderManager->ContextDestroyed();
 239 }
 240
 241 void Core::SurfaceResized( unsigned int width, unsigned int height )
 242 {
 243   mStage->SurfaceResized( width, height );
 244
 245   // The stage-size may be less than surface-size (reduced by top-margin)
 246   Vector2 size = mStage->GetSize();
 247   mRelayoutController->SetStageSize( size.width, size.height );
 248 }
 249
 250 void Core::SetTopMargin( unsigned int margin )
 251 {
 252   mStage->SetTopMargin( margin );
 253
 254   // The stage-size may be less than surface-size (reduced by top-margin)
 255   Vector2 size = mStage->GetSize();
 256   mRelayoutController->SetStageSize( size.width, size.height );
 257 }
 258
 259 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 260 {
 261   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 262 }
 263
 264 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 265 {
 266   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 267   // it is cached by frametime
 268   status.secondsFromLastFrame = elapsedSeconds;
 269
 270   // Render returns true when there are updates on the stage or one or more animations are completed.
 271   // Use the estimated time diff till we render as the elapsed time.
 272   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 273                                                 lastVSyncTimeMilliseconds,
 274                                                 nextVSyncTimeMilliseconds );
 275
 276   // Check the Notification Manager message queue to set needsNotification
 277   status.needsNotification = mNotificationManager->MessagesToProcess();
 278
 279   // No need to keep update running if there are notifications to process.
 280   // Any message to update will wake it up anyways
 281
 282   if ( mResourceManager->ResourcesToProcess() )
 283   {
 284     // If we are still processing resources, then we have to continue the update
 285     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 286   }
 287 }
 288
 289 void Core::Render( RenderStatus& status )
 290 {
 291   bool updateRequired = mRenderManager->Render( status );
 292
 293   status.SetNeedsUpdate( updateRequired );
 294 }
 295
 296 void Core::Suspend()
 297 {
 298   mPlatform.Suspend();
 299
 300   mIsActive = false;
 301 }
 302
 303 void Core::Resume()
 304 {
 305   mPlatform.Resume();
 306
 307   mIsActive = true;
 308
 309   // trigger processing of events queued up while paused
 310   ProcessEvents();
 311 }
 312
 313 void Core::SceneCreated()
 314 {
 315   mStage->EmitSceneCreatedSignal();
 316
 317   mRelayoutController->OnApplicationSceneCreated();
 318 }
 319
 320 void Core::QueueEvent( const Integration::Event& event )
 321 {
 322   mEventProcessor->QueueEvent( event );
 323 }
 324
 325 void Core::ProcessEvents()
 326 {
 327   // Guard against calls to ProcessEvents() during ProcessEvents()
 328   if( mProcessingEvent )
 329   {
 330     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 331     mRenderController.RequestProcessEventsOnIdle();
 332     return;
 333   }
 334
 335   mProcessingEvent = true;
 336   mRelayoutController->SetProcessingCoreEvents( true );
 337
 338   // Signal that any messages received will be flushed soon
 339   mUpdateManager->EventProcessingStarted();
 340
 341   mEventProcessor->ProcessEvents();
 342
 343   mNotificationManager->ProcessMessages();
 344
 345   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 346   if( mIsActive )
 347   {
 348     // Emit signal here to inform listeners that event processing has finished.
 349     mStage->EmitEventProcessingFinishedSignal();
 350
 351     // Run the size negotiation after event processing finished signal
 352     mRelayoutController->Relayout();
 353
 354     // Flush any queued messages for the update-thread
 355     const bool messagesToProcess = mUpdateManager->FlushQueue();
 356
 357     // Check if the touch or gestures require updates.
 358     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 359
 360     if( messagesToProcess || gestureNeedsUpdate )
 361     {
 362       // tell the render controller to keep update thread running
 363       mRenderController.RequestUpdate();
 364     }
 365   }
 366
 367   mRelayoutController->SetProcessingCoreEvents( false );
 368
 369   // ProcessEvents() may now be called again
 370   mProcessingEvent = false;
 371 }
 372
 373 unsigned int Core::GetMaximumUpdateCount() const
 374 {
 375   return MAXIMUM_UPDATE_COUNT;
 376 }
 377
 378 Integration::SystemOverlay& Core::GetSystemOverlay()
 379 {
 380   return mStage->GetSystemOverlay();
 381 }
 382
 383 void Core::SetViewMode( ViewMode viewMode )
 384 {
 385   mStage->SetViewMode( viewMode );
 386 }
 387
 388 ViewMode Core::GetViewMode() const
 389 {
 390   return mStage->GetViewMode();
 391 }
 392
 393 void Core::SetStereoBase( float stereoBase )
 394 {
 395   mStage->SetStereoBase( stereoBase );
 396 }
 397
 398 float Core::GetStereoBase() const
 399 {
 400   return mStage->GetStereoBase();
 401 }
 402
 403 StagePtr Core::GetCurrentStage()
 404 {
 405   return mStage.Get();
 406 }
 407
 408 PlatformAbstraction& Core::GetPlatform()
 409 {
 410   return mPlatform;
 411 }
 412
 413 UpdateManager& Core::GetUpdateManager()
 414 {
 415   return *(mUpdateManager);
 416 }
 417
 418 RenderManager& Core::GetRenderManager()
 419 {
 420   return *(mRenderManager);
 421 }
 422
 423 NotificationManager& Core::GetNotificationManager()
 424 {
 425   return *(mNotificationManager);
 426 }
 427
 428 ResourceManager& Core::GetResourceManager()
 429 {
 430   return *(mResourceManager);
 431 }
 432
 433 ShaderFactory& Core::GetShaderFactory()
 434 {
 435   return *(mShaderFactory);
 436 }
 437
 438 GestureEventProcessor& Core::GetGestureEventProcessor()
 439 {
 440   return *(mGestureEventProcessor);
 441 }
 442
 443 RelayoutController& Core::GetRelayoutController()
 444 {
 445   return *(mRelayoutController.Get());
 446 }
 447
 448 void Core::CreateThreadLocalStorage()
 449 {
 450   // a pointer to the ThreadLocalStorage object will be stored in TLS
 451   // and automatically deleted when the thread is killed
 452   new ThreadLocalStorage(this);
 453 }
 454
 455 } // namespace Internal
 456
 457 } // namespace Dali