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   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager ) );
 152
 153   // This must be called after stage is created but before stage initialization
 154   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 155
 156   mStage->Initialize();
 157
 158   mResourceClient = new ResourceClient( *mResourceManager, *mStage, dataRetentionPolicy );
 159
 160   mGestureEventProcessor = new GestureEventProcessor(*mStage, gestureManager, mRenderController);
 161   mEventProcessor = new EventProcessor(*mStage, *mNotificationManager, *mGestureEventProcessor);
 162
 163   mImageFactory = new ImageFactory( *mResourceClient );
 164   mShaderFactory = new ShaderFactory(*mResourceClient);
 165   mShaderFactory->LoadDefaultShaders();
 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   }
 190
 191   // Stop relayout requests being raised on stage destruction
 192   mRelayoutController.Reset();
 193
 194   // Clean-up stage - remove default camera and root layer
 195   mStage->Uninitialize();
 196
 197   // remove (last?) reference to stage
 198   mStage.Reset();
 199
 200   delete mEventProcessor;
 201   delete mGestureEventProcessor;
 202   delete mNotificationManager;
 203   delete mImageFactory;
 204   delete mShaderFactory;
 205   delete mResourceClient;
 206   delete mResourceManager;
 207   delete mUpdateManager;
 208   delete mTouchResampler;
 209   delete mRenderManager;
 210   delete mDiscardQueue;
 211   delete mResourcePostProcessQueue;
 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   mImageFactory->RecoverFromContextLoss(); // Reload images from files
 224   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 225 }
 226
 227 void Core::ContextCreated()
 228 {
 229   mRenderManager->ContextCreated();
 230 }
 231
 232 void Core::ContextDestroyed()
 233 {
 234   mRenderManager->ContextDestroyed();
 235 }
 236
 237 void Core::SurfaceResized( unsigned int width, unsigned int height )
 238 {
 239   mStage->SetSize( width, height );
 240   mRelayoutController->SetStageSize( width, height );
 241 }
 242
 243 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 244 {
 245   mPlatform.SetDpi( dpiHorizontal, dpiVertical );
 246   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 247 }
 248
 249 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 250 {
 251   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 252   // it is cached by frametime
 253   status.secondsFromLastFrame = elapsedSeconds;
 254
 255   // Render returns true when there are updates on the stage or one or more animations are completed.
 256   // Use the estimated time diff till we render as the elapsed time.
 257   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 258                                                 lastVSyncTimeMilliseconds,
 259                                                 nextVSyncTimeMilliseconds );
 260
 261   // Check the Notification Manager message queue to set needsNotification
 262   status.needsNotification = mNotificationManager->MessagesToProcess();
 263
 264   // No need to keep update running if there are notifications to process.
 265   // Any message to update will wake it up anyways
 266
 267   if ( mResourceManager->ResourcesToProcess() )
 268   {
 269     // If we are still processing resources, then we have to continue the update
 270     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 271   }
 272 }
 273
 274 void Core::Render( RenderStatus& status )
 275 {
 276   bool updateRequired = mRenderManager->Render( status );
 277
 278   status.SetNeedsUpdate( updateRequired );
 279 }
 280
 281 void Core::Suspend()
 282 {
 283   mPlatform.Suspend();
 284
 285   mIsActive = false;
 286 }
 287
 288 void Core::Resume()
 289 {
 290   mPlatform.Resume();
 291
 292   mIsActive = true;
 293
 294   // trigger processing of events queued up while paused
 295   ProcessEvents();
 296 }
 297
 298 void Core::SceneCreated()
 299 {
 300   mStage->EmitSceneCreatedSignal();
 301
 302   mRelayoutController->OnApplicationSceneCreated();
 303 }
 304
 305 void Core::QueueEvent( const Integration::Event& event )
 306 {
 307   mEventProcessor->QueueEvent( event );
 308 }
 309
 310 void Core::ProcessEvents()
 311 {
 312   // Guard against calls to ProcessEvents() during ProcessEvents()
 313   if( mProcessingEvent )
 314   {
 315     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!" );
 316     mRenderController.RequestProcessEventsOnIdle();
 317     return;
 318   }
 319
 320   mProcessingEvent = true;
 321   mRelayoutController->SetProcessingCoreEvents( true );
 322
 323   // Signal that any messages received will be flushed soon
 324   mUpdateManager->EventProcessingStarted();
 325
 326   mEventProcessor->ProcessEvents();
 327
 328   mNotificationManager->ProcessMessages();
 329
 330   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 331   if( mIsActive )
 332   {
 333     // Emit signal here to start size negotiation and control relayout.
 334     mStage->EmitEventProcessingFinishedSignal();
 335
 336     // Run the size negotiation after event processing finished signal
 337     mRelayoutController->Relayout();
 338
 339     // Flush discard queue for image factory
 340     mImageFactory->FlushReleaseQueue();
 341
 342     // Flush any queued messages for the update-thread
 343     const bool messagesToProcess = mUpdateManager->FlushQueue();
 344
 345     // Check if the touch or gestures require updates.
 346     const bool touchNeedsUpdate = mTouchResampler->NeedsUpdate();
 347     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 348
 349     if( messagesToProcess || touchNeedsUpdate || gestureNeedsUpdate )
 350     {
 351       // tell the render controller to keep update thread running
 352       mRenderController.RequestUpdate();
 353     }
 354   }
 355
 356   mRelayoutController->SetProcessingCoreEvents( false );
 357
 358   // ProcessEvents() may now be called again
 359   mProcessingEvent = false;
 360 }
 361
 362 void Core::UpdateTouchData(const Integration::TouchData& touch)
 363 {
 364   mTouchResampler->SendTouchData( touch );
 365 }
 366
 367 unsigned int Core::GetMaximumUpdateCount() const
 368 {
 369   return MAXIMUM_UPDATE_COUNT;
 370 }
 371
 372 Integration::SystemOverlay& Core::GetSystemOverlay()
 373 {
 374   return mStage->GetSystemOverlay();
 375 }
 376
 377 void Core::SetViewMode( ViewMode viewMode )
 378 {
 379   mStage->SetViewMode( viewMode );
 380 }
 381
 382 ViewMode Core::GetViewMode() const
 383 {
 384   return mStage->GetViewMode();
 385 }
 386
 387 void Core::SetStereoBase( float stereoBase )
 388 {
 389   mStage->SetStereoBase( stereoBase );
 390 }
 391
 392 float Core::GetStereoBase() const
 393 {
 394   return mStage->GetStereoBase();
 395 }
 396
 397 StagePtr Core::GetCurrentStage()
 398 {
 399   return mStage.Get();
 400 }
 401
 402 PlatformAbstraction& Core::GetPlatform()
 403 {
 404   return mPlatform;
 405 }
 406
 407 UpdateManager& Core::GetUpdateManager()
 408 {
 409   return *(mUpdateManager);
 410 }
 411
 412 RenderManager& Core::GetRenderManager()
 413 {
 414   return *(mRenderManager);
 415 }
 416
 417 NotificationManager& Core::GetNotificationManager()
 418 {
 419   return *(mNotificationManager);
 420 }
 421
 422 ResourceManager& Core::GetResourceManager()
 423 {
 424   return *(mResourceManager);
 425 }
 426
 427 ResourceClient& Core::GetResourceClient()
 428 {
 429   return *(mResourceClient);
 430 }
 431
 432 ImageFactory& Core::GetImageFactory()
 433 {
 434   return *(mImageFactory);
 435 }
 436
 437 ShaderFactory& Core::GetShaderFactory()
 438 {
 439   return *(mShaderFactory);
 440 }
 441
 442 GestureEventProcessor& Core::GetGestureEventProcessor()
 443 {
 444   return *(mGestureEventProcessor);
 445 }
 446
 447 RelayoutController& Core::GetRelayoutController()
 448 {
 449   return *(mRelayoutController.Get());
 450 }
 451
 452 void Core::CreateThreadLocalStorage()
 453 {
 454   // a pointer to the ThreadLocalStorage object will be stored in TLS
 455   // and automatically deleted when the thread is killed
 456   new ThreadLocalStorage(this);
 457 }
 458
 459 } // namespace Internal
 460
 461 } // namespace Dali