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   }
 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 mShaderFactory;
 204   delete mResourceManager;
 205   delete mDiscardQueue;
 206   delete mTextureCacheDispatcher;
 207   delete mUpdateManager;
 208   delete mRenderManager;
 209   delete mRenderTaskProcessor;
 210   delete mTextureUploadedQueue;
 211 }
 212
 213 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 214 {
 215   return mStage.Get();
 216 }
 217
 218 void Core::RecoverFromContextLoss()
 219 {
 220   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 221
 222   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 223 }
 224
 225 void Core::ContextCreated()
 226 {
 227   mRenderManager->ContextCreated();
 228 }
 229
 230 void Core::ContextDestroyed()
 231 {
 232   mRenderManager->ContextDestroyed();
 233 }
 234
 235 void Core::SurfaceResized( unsigned int width, unsigned int height )
 236 {
 237   mStage->SurfaceResized( width, height );
 238
 239   // The stage-size may be less than surface-size (reduced by top-margin)
 240   Vector2 size = mStage->GetSize();
 241   mRelayoutController->SetStageSize( size.width, size.height );
 242 }
 243
 244 void Core::SetTopMargin( unsigned int margin )
 245 {
 246   mStage->SetTopMargin( margin );
 247
 248   // The stage-size may be less than surface-size (reduced by top-margin)
 249   Vector2 size = mStage->GetSize();
 250   mRelayoutController->SetStageSize( size.width, size.height );
 251 }
 252
 253 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 254 {
 255   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 256 }
 257
 258 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 259 {
 260   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 261   // it is cached by frametime
 262   status.secondsFromLastFrame = elapsedSeconds;
 263
 264   // Render returns true when there are updates on the stage or one or more animations are completed.
 265   // Use the estimated time diff till we render as the elapsed time.
 266   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 267                                                 lastVSyncTimeMilliseconds,
 268                                                 nextVSyncTimeMilliseconds );
 269
 270   // Check the Notification Manager message queue to set needsNotification
 271   status.needsNotification = mNotificationManager->MessagesToProcess();
 272
 273   // No need to keep update running if there are notifications to process.
 274   // Any message to update will wake it up anyways
 275
 276   if ( mResourceManager->ResourcesToProcess() )
 277   {
 278     // If we are still processing resources, then we have to continue the update
 279     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 280   }
 281 }
 282
 283 void Core::Render( RenderStatus& status )
 284 {
 285   bool updateRequired = mRenderManager->Render( status );
 286
 287   status.SetNeedsUpdate( updateRequired );
 288 }
 289
 290 void Core::Suspend()
 291 {
 292   mPlatform.Suspend();
 293
 294   mIsActive = false;
 295 }
 296
 297 void Core::Resume()
 298 {
 299   mPlatform.Resume();
 300
 301   mIsActive = true;
 302
 303   // trigger processing of events queued up while paused
 304   ProcessEvents();
 305 }
 306
 307 void Core::SceneCreated()
 308 {
 309   mStage->EmitSceneCreatedSignal();
 310
 311   mRelayoutController->OnApplicationSceneCreated();
 312 }
 313
 314 void Core::QueueEvent( const Integration::Event& event )
 315 {
 316   mEventProcessor->QueueEvent( event );
 317 }
 318
 319 void Core::ProcessEvents()
 320 {
 321   // Guard against calls to ProcessEvents() during ProcessEvents()
 322   if( mProcessingEvent )
 323   {
 324     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 325     mRenderController.RequestProcessEventsOnIdle();
 326     return;
 327   }
 328
 329   mProcessingEvent = true;
 330   mRelayoutController->SetProcessingCoreEvents( true );
 331
 332   // Signal that any messages received will be flushed soon
 333   mUpdateManager->EventProcessingStarted();
 334
 335   mEventProcessor->ProcessEvents();
 336
 337   mNotificationManager->ProcessMessages();
 338
 339   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 340   if( mIsActive )
 341   {
 342     // Emit signal here to inform listeners that event processing has finished.
 343     mStage->EmitEventProcessingFinishedSignal();
 344
 345     // Run the size negotiation after event processing finished signal
 346     mRelayoutController->Relayout();
 347
 348     // Flush any queued messages for the update-thread
 349     const bool messagesToProcess = mUpdateManager->FlushQueue();
 350
 351     // Check if the touch or gestures require updates.
 352     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 353
 354     if( messagesToProcess || gestureNeedsUpdate )
 355     {
 356       // tell the render controller to keep update thread running
 357       mRenderController.RequestUpdate();
 358     }
 359   }
 360
 361   mRelayoutController->SetProcessingCoreEvents( false );
 362
 363   // ProcessEvents() may now be called again
 364   mProcessingEvent = false;
 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 ShaderFactory& Core::GetShaderFactory()
 428 {
 429   return *(mShaderFactory);
 430 }
 431
 432 GestureEventProcessor& Core::GetGestureEventProcessor()
 433 {
 434   return *(mGestureEventProcessor);
 435 }
 436
 437 RelayoutController& Core::GetRelayoutController()
 438 {
 439   return *(mRelayoutController.Get());
 440 }
 441
 442 void Core::CreateThreadLocalStorage()
 443 {
 444   // a pointer to the ThreadLocalStorage object will be stored in TLS
 445   // and automatically deleted when the thread is killed
 446   new ThreadLocalStorage(this);
 447 }
 448
 449 } // namespace Internal
 450
 451 } // namespace Dali