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::OWNED_DISCARD;
 121   if( dataRetentionPolicy == ResourcePolicy::DALI_RETAINS_ALL_DATA )
 122   {
 123     discardPolicy = ResourcePolicy::OWNED_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 );
 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   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 249 }
 250
 251 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 252 {
 253   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 254   // it is cached by frametime
 255   status.secondsFromLastFrame = elapsedSeconds;
 256
 257   // Render returns true when there are updates on the stage or one or more animations are completed.
 258   // Use the estimated time diff till we render as the elapsed time.
 259   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 260                                                 lastVSyncTimeMilliseconds,
 261                                                 nextVSyncTimeMilliseconds );
 262
 263   // Check the Notification Manager message queue to set needsNotification
 264   status.needsNotification = mNotificationManager->MessagesToProcess();
 265
 266   // No need to keep update running if there are notifications to process.
 267   // Any message to update will wake it up anyways
 268
 269   if ( mResourceManager->ResourcesToProcess() )
 270   {
 271     // If we are still processing resources, then we have to continue the update
 272     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 273   }
 274 }
 275
 276 void Core::Render( RenderStatus& status )
 277 {
 278   bool updateRequired = mRenderManager->Render( status );
 279
 280   status.SetNeedsUpdate( updateRequired );
 281 }
 282
 283 void Core::Suspend()
 284 {
 285   mPlatform.Suspend();
 286
 287   mIsActive = false;
 288 }
 289
 290 void Core::Resume()
 291 {
 292   mPlatform.Resume();
 293
 294   mIsActive = true;
 295
 296   // trigger processing of events queued up while paused
 297   ProcessEvents();
 298 }
 299
 300 void Core::SceneCreated()
 301 {
 302   mStage->EmitSceneCreatedSignal();
 303
 304   mRelayoutController->OnApplicationSceneCreated();
 305 }
 306
 307 void Core::QueueEvent( const Integration::Event& event )
 308 {
 309   mEventProcessor->QueueEvent( event );
 310 }
 311
 312 void Core::ProcessEvents()
 313 {
 314   // Guard against calls to ProcessEvents() during ProcessEvents()
 315   if( mProcessingEvent )
 316   {
 317     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!" );
 318     mRenderController.RequestProcessEventsOnIdle();
 319     return;
 320   }
 321
 322   mProcessingEvent = true;
 323   mRelayoutController->SetProcessingCoreEvents( true );
 324
 325   // Signal that any messages received will be flushed soon
 326   mUpdateManager->EventProcessingStarted();
 327
 328   mEventProcessor->ProcessEvents();
 329
 330   mNotificationManager->ProcessMessages();
 331
 332   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 333   if( mIsActive )
 334   {
 335     // Emit signal here to start size negotiation and control relayout.
 336     mStage->EmitEventProcessingFinishedSignal();
 337
 338     // Run the size negotiation after event processing finished signal
 339     mRelayoutController->Relayout();
 340
 341     // Flush discard queue for image factory
 342     mImageFactory->FlushReleaseQueue();
 343
 344     // Flush any queued messages for the update-thread
 345     const bool messagesToProcess = mUpdateManager->FlushQueue();
 346
 347     // Check if the touch or gestures require updates.
 348     const bool touchNeedsUpdate = mTouchResampler->NeedsUpdate();
 349     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 350
 351     if( messagesToProcess || touchNeedsUpdate || gestureNeedsUpdate )
 352     {
 353       // tell the render controller to keep update thread running
 354       mRenderController.RequestUpdate();
 355     }
 356   }
 357
 358   mRelayoutController->SetProcessingCoreEvents( false );
 359
 360   // ProcessEvents() may now be called again
 361   mProcessingEvent = false;
 362 }
 363
 364 void Core::UpdateTouchData(const Integration::TouchData& touch)
 365 {
 366   mTouchResampler->SendTouchData( touch );
 367 }
 368
 369 unsigned int Core::GetMaximumUpdateCount() const
 370 {
 371   return MAXIMUM_UPDATE_COUNT;
 372 }
 373
 374 Integration::SystemOverlay& Core::GetSystemOverlay()
 375 {
 376   return mStage->GetSystemOverlay();
 377 }
 378
 379 void Core::SetViewMode( ViewMode viewMode )
 380 {
 381   mStage->SetViewMode( viewMode );
 382 }
 383
 384 ViewMode Core::GetViewMode() const
 385 {
 386   return mStage->GetViewMode();
 387 }
 388
 389 void Core::SetStereoBase( float stereoBase )
 390 {
 391   mStage->SetStereoBase( stereoBase );
 392 }
 393
 394 float Core::GetStereoBase() const
 395 {
 396   return mStage->GetStereoBase();
 397 }
 398
 399 StagePtr Core::GetCurrentStage()
 400 {
 401   return mStage.Get();
 402 }
 403
 404 PlatformAbstraction& Core::GetPlatform()
 405 {
 406   return mPlatform;
 407 }
 408
 409 UpdateManager& Core::GetUpdateManager()
 410 {
 411   return *(mUpdateManager);
 412 }
 413
 414 RenderManager& Core::GetRenderManager()
 415 {
 416   return *(mRenderManager);
 417 }
 418
 419 NotificationManager& Core::GetNotificationManager()
 420 {
 421   return *(mNotificationManager);
 422 }
 423
 424 ResourceManager& Core::GetResourceManager()
 425 {
 426   return *(mResourceManager);
 427 }
 428
 429 ResourceClient& Core::GetResourceClient()
 430 {
 431   return *(mResourceClient);
 432 }
 433
 434 ImageFactory& Core::GetImageFactory()
 435 {
 436   return *(mImageFactory);
 437 }
 438
 439 ShaderFactory& Core::GetShaderFactory()
 440 {
 441   return *(mShaderFactory);
 442 }
 443
 444 GestureEventProcessor& Core::GetGestureEventProcessor()
 445 {
 446   return *(mGestureEventProcessor);
 447 }
 448
 449 RelayoutController& Core::GetRelayoutController()
 450 {
 451   return *(mRelayoutController.Get());
 452 }
 453
 454 void Core::CreateThreadLocalStorage()
 455 {
 456   // a pointer to the ThreadLocalStorage object will be stored in TLS
 457   // and automatically deleted when the thread is killed
 458   new ThreadLocalStorage(this);
 459 }
 460
 461 } // namespace Internal
 462
 463 } // namespace Dali