dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2018 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/manager/update-manager.h>
  45 #include <dali/internal/update/manager/render-task-processor.h>
  46
  47 #include <dali/internal/render/common/performance-monitor.h>
  48 #include <dali/internal/render/common/render-manager.h>
  49 #include <dali/internal/render/gl-resources/context.h>
  50
  51 using Dali::Internal::SceneGraph::UpdateManager;
  52 using Dali::Internal::SceneGraph::RenderManager;
  53 using Dali::Internal::SceneGraph::DiscardQueue;
  54 using Dali::Internal::SceneGraph::RenderQueue;
  55
  56 namespace
  57 {
  58 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  59 const unsigned int MAXIMUM_UPDATE_COUNT = 2u;
  60
  61 #if defined(DEBUG_ENABLED)
  62 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  63 #endif
  64 }
  65
  66 namespace Dali
  67 {
  68
  69 namespace Internal
  70 {
  71
  72 using Integration::RenderController;
  73 using Integration::PlatformAbstraction;
  74 using Integration::GlSyncAbstraction;
  75 using Integration::GestureManager;
  76 using Integration::GlAbstraction;
  77 using Integration::Event;
  78 using Integration::UpdateStatus;
  79 using Integration::RenderStatus;
  80
  81 Core::Core( RenderController& renderController,
  82             PlatformAbstraction& platform,
  83             GlAbstraction& glAbstraction,
  84             GlSyncAbstraction& glSyncAbstraction,
  85             GestureManager& gestureManager,
  86             ResourcePolicy::DataRetention dataRetentionPolicy,
  87             Integration::RenderToFrameBuffer renderToFboEnabled,
  88             Integration::DepthBufferAvailable depthBufferAvailable,
  89             Integration::StencilBufferAvailable stencilBufferAvailable )
  90 : mRenderController( renderController ),
  91   mPlatform(platform),
  92   mProcessingEvent(false)
  93 {
  94   // Create the thread local storage
  95   CreateThreadLocalStorage();
  96
  97   // This does nothing until Core is built with --enable-performance-monitor
  98   PERFORMANCE_MONITOR_INIT( platform );
  99
 100   mNotificationManager = new NotificationManager();
 101
 102   mAnimationPlaylist = AnimationPlaylist::New();
 103
 104   mPropertyNotificationManager = PropertyNotificationManager::New();
 105
 106   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 107
 108   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction, depthBufferAvailable, stencilBufferAvailable );
 109
 110   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 111
 112   mDiscardQueue = new DiscardQueue( renderQueue );
 113
 114   mUpdateManager = new UpdateManager( *mNotificationManager,
 115                                       *mAnimationPlaylist,
 116                                       *mPropertyNotificationManager,
 117                                       *mDiscardQueue,
 118                                        renderController,
 119                                       *mRenderManager,
 120                                        renderQueue,
 121                                       *mRenderTaskProcessor );
 122
 123   mRenderManager->SetShaderSaver( *mUpdateManager );
 124
 125   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager, mRenderController ) );
 126
 127   // This must be called after stage is created but before stage initialization
 128   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 129
 130   mStage->Initialize( renderToFboEnabled == Integration::RenderToFrameBuffer::TRUE );
 131
 132   mGestureEventProcessor = new GestureEventProcessor( *mStage, *mUpdateManager, gestureManager, mRenderController );
 133   mEventProcessor = new EventProcessor( *mStage, *mNotificationManager, *mGestureEventProcessor );
 134
 135   mShaderFactory = new ShaderFactory();
 136   mUpdateManager->SetShaderSaver( *mShaderFactory );
 137
 138   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 139 }
 140
 141 Core::~Core()
 142 {
 143   /*
 144    * The order of destructing these singletons is important!!!
 145    */
 146
 147   // clear the thread local storage first
 148   // allows core to be created / deleted many times in the same thread (how TET cases work).
 149   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 150   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 151   if( tls )
 152   {
 153     tls->Remove();
 154     delete tls;
 155   }
 156
 157   // Stop relayout requests being raised on stage destruction
 158   mRelayoutController.Reset();
 159
 160   // Clean-up stage - remove default camera and root layer
 161   mStage->Uninitialize();
 162
 163   // remove (last?) reference to stage
 164   mStage.Reset();
 165
 166 }
 167
 168 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 169 {
 170   return mStage.Get();
 171 }
 172
 173 void Core::RecoverFromContextLoss()
 174 {
 175   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 176
 177   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 178 }
 179
 180 void Core::ContextCreated()
 181 {
 182   mRenderManager->ContextCreated();
 183 }
 184
 185 void Core::ContextDestroyed()
 186 {
 187   mRenderManager->ContextDestroyed();
 188 }
 189
 190 void Core::SurfaceResized( unsigned int width, unsigned int height )
 191 {
 192   mStage->SurfaceResized( width, height );
 193
 194   // The stage-size may be less than surface-size (reduced by top-margin)
 195   Vector2 size = mStage->GetSize();
 196   mRelayoutController->SetStageSize( size.width, size.height );
 197 }
 198
 199 void Core::SetTopMargin( unsigned int margin )
 200 {
 201   mStage->SetTopMargin( margin );
 202
 203   // The stage-size may be less than surface-size (reduced by top-margin)
 204   Vector2 size = mStage->GetSize();
 205   mRelayoutController->SetStageSize( size.width, size.height );
 206 }
 207
 208 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 209 {
 210   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 211 }
 212
 213 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo )
 214 {
 215   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 216   // it is cached by frametime
 217   status.secondsFromLastFrame = elapsedSeconds;
 218
 219   // Render returns true when there are updates on the stage or one or more animations are completed.
 220   // Use the estimated time diff till we render as the elapsed time.
 221   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 222                                                 lastVSyncTimeMilliseconds,
 223                                                 nextVSyncTimeMilliseconds,
 224                                                 renderToFboEnabled,
 225                                                 isRenderingToFbo );
 226
 227   // Check the Notification Manager message queue to set needsNotification
 228   status.needsNotification = mNotificationManager->MessagesToProcess();
 229
 230   // No need to keep update running if there are notifications to process.
 231   // Any message to update will wake it up anyways
 232 }
 233
 234 void Core::Render( RenderStatus& status, bool forceClear )
 235 {
 236   mRenderManager->Render( status, forceClear );
 237 }
 238
 239 void Core::SceneCreated()
 240 {
 241   mStage->EmitSceneCreatedSignal();
 242
 243   mRelayoutController->OnApplicationSceneCreated();
 244 }
 245
 246 void Core::QueueEvent( const Integration::Event& event )
 247 {
 248   mEventProcessor->QueueEvent( event );
 249 }
 250
 251 void Core::ProcessEvents()
 252 {
 253   // Guard against calls to ProcessEvents() during ProcessEvents()
 254   if( mProcessingEvent )
 255   {
 256     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 257     mRenderController.RequestProcessEventsOnIdle( false );
 258     return;
 259   }
 260
 261   mProcessingEvent = true;
 262   mRelayoutController->SetProcessingCoreEvents( true );
 263
 264   // Signal that any messages received will be flushed soon
 265   mUpdateManager->EventProcessingStarted();
 266
 267   mEventProcessor->ProcessEvents();
 268
 269   mNotificationManager->ProcessMessages();
 270
 271   // Emit signal here to inform listeners that event processing has finished.
 272   mStage->EmitEventProcessingFinishedSignal();
 273
 274   // Run any registered processors
 275   RunProcessors();
 276
 277   // Run the size negotiation after event processing finished signal
 278   mRelayoutController->Relayout();
 279
 280
 281   // Rebuild depth tree after event processing has finished
 282   mStage->RebuildDepthTree();
 283
 284   // Flush any queued messages for the update-thread
 285   const bool messagesToProcess = mUpdateManager->FlushQueue();
 286
 287   // Check if the touch or gestures require updates.
 288   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 289   // Check if the next update is forced.
 290   const bool forceUpdate = mStage->IsNextUpdateForced();
 291
 292   if( messagesToProcess || gestureNeedsUpdate || forceUpdate )
 293   {
 294     // tell the render controller to keep update thread running
 295     mRenderController.RequestUpdate( forceUpdate );
 296   }
 297
 298   mRelayoutController->SetProcessingCoreEvents( false );
 299
 300   // ProcessEvents() may now be called again
 301   mProcessingEvent = false;
 302 }
 303
 304 unsigned int Core::GetMaximumUpdateCount() const
 305 {
 306   return MAXIMUM_UPDATE_COUNT;
 307 }
 308
 309 Integration::SystemOverlay& Core::GetSystemOverlay()
 310 {
 311   return mStage->GetSystemOverlay();
 312 }
 313
 314 void Core::SetViewMode( ViewMode viewMode )
 315 {
 316   mStage->SetViewMode( viewMode );
 317 }
 318
 319 ViewMode Core::GetViewMode() const
 320 {
 321   return mStage->GetViewMode();
 322 }
 323
 324 void Core::SetStereoBase( float stereoBase )
 325 {
 326   mStage->SetStereoBase( stereoBase );
 327 }
 328
 329 void Core::RegisterProcessor( Integration::Processor& processor )
 330 {
 331   mProcessors.PushBack(&processor);
 332 }
 333
 334 void Core::UnregisterProcessor( Integration::Processor& processor )
 335 {
 336   auto iter = std::find( mProcessors.Begin(), mProcessors.End(), &processor );
 337   if( iter != mProcessors.End() )
 338   {
 339     mProcessors.Erase( iter );
 340   }
 341 }
 342
 343 void Core::RunProcessors()
 344 {
 345   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 346   Dali::Vector<Integration::Processor*> processors( mProcessors );
 347
 348   for( auto processor : processors )
 349   {
 350     if( processor )
 351     {
 352       processor->Process();
 353     }
 354   }
 355 }
 356
 357 float Core::GetStereoBase() const
 358 {
 359   return mStage->GetStereoBase();
 360 }
 361
 362 StagePtr Core::GetCurrentStage()
 363 {
 364   return mStage.Get();
 365 }
 366
 367 PlatformAbstraction& Core::GetPlatform()
 368 {
 369   return mPlatform;
 370 }
 371
 372 UpdateManager& Core::GetUpdateManager()
 373 {
 374   return *(mUpdateManager);
 375 }
 376
 377 RenderManager& Core::GetRenderManager()
 378 {
 379   return *(mRenderManager);
 380 }
 381
 382 NotificationManager& Core::GetNotificationManager()
 383 {
 384   return *(mNotificationManager);
 385 }
 386
 387 ShaderFactory& Core::GetShaderFactory()
 388 {
 389   return *(mShaderFactory);
 390 }
 391
 392 GestureEventProcessor& Core::GetGestureEventProcessor()
 393 {
 394   return *(mGestureEventProcessor);
 395 }
 396
 397 RelayoutController& Core::GetRelayoutController()
 398 {
 399   return *(mRelayoutController.Get());
 400 }
 401
 402 void Core::CreateThreadLocalStorage()
 403 {
 404   // a pointer to the ThreadLocalStorage object will be stored in TLS
 405   // The ThreadLocalStorage object should be deleted by the Core destructor
 406   new ThreadLocalStorage(this);
 407 }
 408
 409 } // namespace Internal
 410
 411 } // namespace Dali