dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2014 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/platform-abstraction.h>
  26 #include <dali/integration-api/gl-sync-abstraction.h>
  27 #include <dali/integration-api/render-controller.h>
  28 #include <dali/internal/event/actors/actor-impl.h>
  29 #include <dali/internal/event/common/stage-impl.h>
  30 #include <dali/internal/event/animation/animation-playlist.h>
  31 #include <dali/internal/event/common/property-notification-manager.h>
  32 #include <dali/internal/event/common/notification-manager.h>
  33 #include <dali/integration-api/events/event.h>
  34 #include <dali/internal/event/events/event-processor.h>
  35 #include <dali/internal/event/events/gesture-event-processor.h>
  36 #include <dali/internal/update/manager/update-manager.h>
  37 #include <dali/internal/render/common/performance-monitor.h>
  38 #include <dali/internal/render/common/render-manager.h>
  39 #include <dali/internal/update/common/discard-queue.h>
  40 #include <dali/internal/update/resources/resource-manager.h>
  41 #include <dali/internal/event/images/image-factory.h>
  42 #include <dali/internal/event/common/thread-local-storage.h>
  43 #include <dali/internal/event/effects/shader-factory.h>
  44 #include <dali/internal/update/touch/touch-resampler.h>
  45 #include <dali/internal/event/common/type-registry-impl.h>
  46 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  47 #include <dali/internal/event/size-negotiation/relayout-controller-impl.h>
  48
  49 #include <dali/internal/render/gl-resources/texture-cache.h>
  50 #include <dali/internal/render/gl-resources/context.h>
  51
  52 using Dali::Internal::SceneGraph::UpdateManager;
  53 using Dali::Internal::SceneGraph::RenderManager;
  54 using Dali::Internal::SceneGraph::DiscardQueue;
  55 using Dali::Internal::SceneGraph::RenderQueue;
  56 using Dali::Internal::SceneGraph::TextureCache;
  57
  58 namespace
  59 {
  60 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  61 const unsigned int MAXIMUM_UPDATE_COUNT = 2u;
  62
  63 #if defined(DEBUG_ENABLED)
  64 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  65 #endif
  66 }
  67
  68 namespace Dali
  69 {
  70
  71 namespace Internal
  72 {
  73
  74 using Integration::RenderController;
  75 using Integration::PlatformAbstraction;
  76 using Integration::GlSyncAbstraction;
  77 using Integration::GestureManager;
  78 using Integration::GlAbstraction;
  79 using Integration::Event;
  80 using Integration::UpdateStatus;
  81 using Integration::RenderStatus;
  82
  83 Core::Core( RenderController& renderController, PlatformAbstraction& platform,
  84             GlAbstraction& glAbstraction, GlSyncAbstraction& glSyncAbstraction,
  85             GestureManager& gestureManager, ResourcePolicy::DataRetention dataRetentionPolicy)
  86 : mRenderController( renderController ),
  87   mPlatform(platform),
  88   mGestureEventProcessor(NULL),
  89   mEventProcessor(NULL),
  90   mUpdateManager(NULL),
  91   mRenderManager(NULL),
  92   mDiscardQueue(NULL),
  93   mResourcePostProcessQueue(),
  94   mNotificationManager(NULL),
  95   mImageFactory(NULL),
  96   mShaderFactory(NULL),
  97   mIsActive(true),
  98   mProcessingEvent(false)
  99 {
 100   // Create the thread local storage
 101   CreateThreadLocalStorage();
 102
 103   // This does nothing until Core is built with --enable-performance-monitor
 104   PERFORMANCE_MONITOR_INIT( platform );
 105
 106   mNotificationManager = new NotificationManager();
 107
 108   mAnimationPlaylist = AnimationPlaylist::New();
 109
 110   mPropertyNotificationManager = PropertyNotificationManager::New();
 111
 112   std::vector< ResourcePostProcessRequest> init;
 113   mResourcePostProcessQueue = new ResourcePostProcessList(init);
 114
 115   mRenderManager = RenderManager::New( glAbstraction, *mResourcePostProcessQueue );
 116
 117   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 118   TextureCache& textureCache = mRenderManager->GetTextureCache();
 119
 120   ResourcePolicy::Discardable discardPolicy = ResourcePolicy::DISCARD;
 121   if( dataRetentionPolicy == ResourcePolicy::DALI_RETAINS_ALL_DATA )
 122   {
 123     discardPolicy = ResourcePolicy::RETAIN;
 124   }
 125   textureCache.SetDiscardBitmapsPolicy(discardPolicy);
 126
 127   mDiscardQueue = new DiscardQueue( renderQueue );
 128
 129   mResourceManager = new ResourceManager(  mPlatform,
 130                                           *mNotificationManager,
 131                                            textureCache,
 132                                           *mResourcePostProcessQueue,
 133                                           *mRenderManager,
 134                                           *mDiscardQueue,
 135                                            renderQueue );
 136
 137   mTouchResampler = TouchResampler::New();
 138
 139   mUpdateManager = new UpdateManager( *mNotificationManager,
 140                                        glSyncAbstraction,
 141                                       *mAnimationPlaylist,
 142                                       *mPropertyNotificationManager,
 143                                       *mResourceManager,
 144                                       *mDiscardQueue,
 145                                        renderController,
 146                                       *mRenderManager,
 147                                        renderQueue,
 148                                        textureCache,
 149                                       *mTouchResampler );
 150
 151   mRenderManager->SetShaderSaver( *mUpdateManager );
 152
 153   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager ) );
 154
 155   // This must be called after stage is created but before stage initialization
 156   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 157
 158   mStage->Initialize();
 159
 160   mResourceClient = new ResourceClient( *mResourceManager, *mStage, dataRetentionPolicy );
 161
 162   mGestureEventProcessor = new GestureEventProcessor(*mStage, gestureManager, mRenderController);
 163   mEventProcessor = new EventProcessor(*mStage, *mNotificationManager, *mGestureEventProcessor);
 164
 165   mImageFactory = new ImageFactory( *mResourceClient );
 166   mShaderFactory = new ShaderFactory();
 167   mUpdateManager->SetShaderSaver( *mShaderFactory );
 168   mShaderFactory->LoadDefaultShaders();
 169
 170   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 171 }
 172
 173 Core::~Core()
 174 {
 175   /**
 176    * TODO this should be done by Adaptor, Core does not know about threading
 177    * First stop the resource loading thread(s)
 178    */
 179   mPlatform.JoinLoaderThreads();
 180
 181   /*
 182    * The order of destructing these singletons is important!!!
 183    */
 184
 185   // clear the thread local storage first
 186   // allows core to be created / deleted many times in the same thread (how TET cases work).
 187   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 188   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 189   if( tls )
 190   {
 191     tls->Remove();
 192   }
 193
 194   // Stop relayout requests being raised on stage destruction
 195   mRelayoutController.Reset();
 196
 197   // Clean-up stage - remove default camera and root layer
 198   mStage->Uninitialize();
 199
 200   // remove (last?) reference to stage
 201   mStage.Reset();
 202
 203   delete mEventProcessor;
 204   delete mGestureEventProcessor;
 205   delete mNotificationManager;
 206   delete mImageFactory;
 207   delete mShaderFactory;
 208   delete mResourceClient;
 209   delete mResourceManager;
 210   delete mUpdateManager;
 211   delete mTouchResampler;
 212   delete mRenderManager;
 213   delete mDiscardQueue;
 214   delete mResourcePostProcessQueue;
 215 }
 216
 217 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 218 {
 219   return mStage.Get();
 220 }
 221
 222 void Core::RecoverFromContextLoss()
 223 {
 224   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 225
 226   mImageFactory->RecoverFromContextLoss(); // Reload images from files
 227   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 228 }
 229
 230 void Core::ContextCreated()
 231 {
 232   mRenderManager->ContextCreated();
 233 }
 234
 235 void Core::ContextDestroyed()
 236 {
 237   mRenderManager->ContextDestroyed();
 238 }
 239
 240 void Core::SurfaceResized( unsigned int width, unsigned int height )
 241 {
 242   mStage->SetSize( width, height );
 243   mRelayoutController->SetStageSize( width, height );
 244 }
 245
 246 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 247 {
 248   mPlatform.SetDpi( dpiHorizontal, dpiVertical );
 249   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 250 }
 251
 252 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 253 {
 254   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 255   // it is cached by frametime
 256   status.secondsFromLastFrame = elapsedSeconds;
 257
 258   // Render returns true when there are updates on the stage or one or more animations are completed.
 259   // Use the estimated time diff till we render as the elapsed time.
 260   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 261                                                 lastVSyncTimeMilliseconds,
 262                                                 nextVSyncTimeMilliseconds );
 263
 264   // Check the Notification Manager message queue to set needsNotification
 265   status.needsNotification = mNotificationManager->MessagesToProcess();
 266
 267   // No need to keep update running if there are notifications to process.
 268   // Any message to update will wake it up anyways
 269
 270   if ( mResourceManager->ResourcesToProcess() )
 271   {
 272     // If we are still processing resources, then we have to continue the update
 273     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 274   }
 275 }
 276
 277 void Core::Render( RenderStatus& status )
 278 {
 279   bool updateRequired = mRenderManager->Render( status );
 280
 281   status.SetNeedsUpdate( updateRequired );
 282 }
 283
 284 void Core::Suspend()
 285 {
 286   mPlatform.Suspend();
 287
 288   mIsActive = false;
 289 }
 290
 291 void Core::Resume()
 292 {
 293   mPlatform.Resume();
 294
 295   mIsActive = true;
 296
 297   // trigger processing of events queued up while paused
 298   ProcessEvents();
 299 }
 300
 301 void Core::SceneCreated()
 302 {
 303   mStage->EmitSceneCreatedSignal();
 304
 305   mRelayoutController->OnApplicationSceneCreated();
 306 }
 307
 308 void Core::QueueEvent( const Integration::Event& event )
 309 {
 310   mEventProcessor->QueueEvent( event );
 311 }
 312
 313 void Core::ProcessEvents()
 314 {
 315   // Guard against calls to ProcessEvents() during ProcessEvents()
 316   if( mProcessingEvent )
 317   {
 318     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!" );
 319     mRenderController.RequestProcessEventsOnIdle();
 320     return;
 321   }
 322
 323   mProcessingEvent = true;
 324   mRelayoutController->SetProcessingCoreEvents( true );
 325
 326   // Signal that any messages received will be flushed soon
 327   mUpdateManager->EventProcessingStarted();
 328
 329   mEventProcessor->ProcessEvents();
 330
 331   mNotificationManager->ProcessMessages();
 332
 333   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 334   if( mIsActive )
 335   {
 336     // Emit signal here to start size negotiation and control relayout.
 337     mStage->EmitEventProcessingFinishedSignal();
 338
 339     // Run the size negotiation after event processing finished signal
 340     mRelayoutController->Relayout();
 341
 342     // Flush discard queue for image factory
 343     mImageFactory->FlushReleaseQueue();
 344
 345     // Flush any queued messages for the update-thread
 346     const bool messagesToProcess = mUpdateManager->FlushQueue();
 347
 348     // Check if the touch or gestures require updates.
 349     const bool touchNeedsUpdate = mTouchResampler->NeedsUpdate();
 350     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 351
 352     if( messagesToProcess || touchNeedsUpdate || gestureNeedsUpdate )
 353     {
 354       // tell the render controller to keep update thread running
 355       mRenderController.RequestUpdate();
 356     }
 357   }
 358
 359   mRelayoutController->SetProcessingCoreEvents( false );
 360
 361   // ProcessEvents() may now be called again
 362   mProcessingEvent = false;
 363 }
 364
 365 void Core::UpdateTouchData(const Integration::TouchData& touch)
 366 {
 367   mTouchResampler->SendTouchData( touch );
 368 }
 369
 370 unsigned int Core::GetMaximumUpdateCount() const
 371 {
 372   return MAXIMUM_UPDATE_COUNT;
 373 }
 374
 375 Integration::SystemOverlay& Core::GetSystemOverlay()
 376 {
 377   return mStage->GetSystemOverlay();
 378 }
 379
 380 void Core::SetViewMode( ViewMode viewMode )
 381 {
 382   mStage->SetViewMode( viewMode );
 383 }
 384
 385 ViewMode Core::GetViewMode() const
 386 {
 387   return mStage->GetViewMode();
 388 }
 389
 390 void Core::SetStereoBase( float stereoBase )
 391 {
 392   mStage->SetStereoBase( stereoBase );
 393 }
 394
 395 float Core::GetStereoBase() const
 396 {
 397   return mStage->GetStereoBase();
 398 }
 399
 400 StagePtr Core::GetCurrentStage()
 401 {
 402   return mStage.Get();
 403 }
 404
 405 PlatformAbstraction& Core::GetPlatform()
 406 {
 407   return mPlatform;
 408 }
 409
 410 UpdateManager& Core::GetUpdateManager()
 411 {
 412   return *(mUpdateManager);
 413 }
 414
 415 RenderManager& Core::GetRenderManager()
 416 {
 417   return *(mRenderManager);
 418 }
 419
 420 NotificationManager& Core::GetNotificationManager()
 421 {
 422   return *(mNotificationManager);
 423 }
 424
 425 ResourceManager& Core::GetResourceManager()
 426 {
 427   return *(mResourceManager);
 428 }
 429
 430 ResourceClient& Core::GetResourceClient()
 431 {
 432   return *(mResourceClient);
 433 }
 434
 435 ImageFactory& Core::GetImageFactory()
 436 {
 437   return *(mImageFactory);
 438 }
 439
 440 ShaderFactory& Core::GetShaderFactory()
 441 {
 442   return *(mShaderFactory);
 443 }
 444
 445 GestureEventProcessor& Core::GetGestureEventProcessor()
 446 {
 447   return *(mGestureEventProcessor);
 448 }
 449
 450 RelayoutController& Core::GetRelayoutController()
 451 {
 452   return *(mRelayoutController.Get());
 453 }
 454
 455 void Core::CreateThreadLocalStorage()
 456 {
 457   // a pointer to the ThreadLocalStorage object will be stored in TLS
 458   // and automatically deleted when the thread is killed
 459   new ThreadLocalStorage(this);
 460 }
 461
 462 } // namespace Internal
 463
 464 } // namespace Dali