dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2019 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/processor-interface.h>
  29 #include <dali/integration-api/render-controller.h>
  30
  31 #include <dali/internal/event/actors/actor-impl.h>
  32 #include <dali/internal/event/animation/animation-playlist.h>
  33 #include <dali/internal/event/common/notification-manager.h>
  34 #include <dali/internal/event/common/property-notification-manager.h>
  35 #include <dali/internal/event/common/stage-impl.h>
  36 #include <dali/internal/event/common/thread-local-storage.h>
  37 #include <dali/internal/event/common/type-registry-impl.h>
  38 #include <dali/internal/event/effects/shader-factory.h>
  39 #include <dali/internal/event/events/event-processor.h>
  40 #include <dali/internal/event/events/gesture-event-processor.h>
  41 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  42 #include <dali/internal/event/size-negotiation/relayout-controller-impl.h>
  43
  44 #include <dali/internal/update/common/discard-queue.h>
  45 #include <dali/internal/update/manager/update-manager.h>
  46 #include <dali/internal/update/manager/render-task-processor.h>
  47
  48 #include <dali/internal/render/common/performance-monitor.h>
  49 #include <dali/internal/render/common/render-manager.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
  57 namespace
  58 {
  59 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  60 const uint32_t MAXIMUM_UPDATE_COUNT = 2u;
  61
  62 #if defined(DEBUG_ENABLED)
  63 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  64 #endif
  65 }
  66
  67 namespace Dali
  68 {
  69
  70 namespace Internal
  71 {
  72
  73 using Integration::RenderController;
  74 using Integration::PlatformAbstraction;
  75 using Integration::GlSyncAbstraction;
  76 using Integration::GestureManager;
  77 using Integration::GlAbstraction;
  78 using Integration::Event;
  79 using Integration::UpdateStatus;
  80 using Integration::RenderStatus;
  81
  82 Core::Core( RenderController& renderController,
  83             PlatformAbstraction& platform,
  84             GlAbstraction& glAbstraction,
  85             GlSyncAbstraction& glSyncAbstraction,
  86             GestureManager& gestureManager,
  87             ResourcePolicy::DataRetention dataRetentionPolicy,
  88             Integration::RenderToFrameBuffer renderToFboEnabled,
  89             Integration::DepthBufferAvailable depthBufferAvailable,
  90             Integration::StencilBufferAvailable stencilBufferAvailable )
  91 : mRenderController( renderController ),
  92   mPlatform(platform),
  93   mProcessingEvent(false)
  94 {
  95   // Create the thread local storage
  96   CreateThreadLocalStorage();
  97
  98   // This does nothing until Core is built with --enable-performance-monitor
  99   PERFORMANCE_MONITOR_INIT( platform );
 100
 101   mNotificationManager = new NotificationManager();
 102
 103   mAnimationPlaylist = AnimationPlaylist::New();
 104
 105   mPropertyNotificationManager = PropertyNotificationManager::New();
 106
 107   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 108
 109   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction, depthBufferAvailable, stencilBufferAvailable );
 110
 111   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 112
 113   mDiscardQueue = new DiscardQueue( renderQueue );
 114
 115   mUpdateManager = new UpdateManager( *mNotificationManager,
 116                                       *mAnimationPlaylist,
 117                                       *mPropertyNotificationManager,
 118                                       *mDiscardQueue,
 119                                        renderController,
 120                                       *mRenderManager,
 121                                        renderQueue,
 122                                       *mRenderTaskProcessor );
 123
 124   mRenderManager->SetShaderSaver( *mUpdateManager );
 125
 126   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager, mRenderController ) );
 127
 128   // This must be called after stage is created but before stage initialization
 129   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 130
 131   mStage->Initialize( renderToFboEnabled == Integration::RenderToFrameBuffer::TRUE );
 132
 133   mGestureEventProcessor = new GestureEventProcessor( *mStage, *mUpdateManager, gestureManager, mRenderController );
 134   mEventProcessor = new EventProcessor( *mStage, *mNotificationManager, *mGestureEventProcessor );
 135
 136   mShaderFactory = new ShaderFactory();
 137   mUpdateManager->SetShaderSaver( *mShaderFactory );
 138
 139   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 140 }
 141
 142 Core::~Core()
 143 {
 144   /*
 145    * The order of destructing these singletons is important!!!
 146    */
 147
 148   // clear the thread local storage first
 149   // allows core to be created / deleted many times in the same thread (how TET cases work).
 150   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 151   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 152   if( tls )
 153   {
 154     tls->Remove();
 155     delete tls;
 156   }
 157
 158   // Stop relayout requests being raised on stage destruction
 159   mRelayoutController.Reset();
 160
 161   // Clean-up stage - remove default camera and root layer
 162   mStage->Uninitialize();
 163
 164   // remove (last?) reference to stage
 165   mStage.Reset();
 166
 167 }
 168
 169 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 170 {
 171   return mStage.Get();
 172 }
 173
 174 void Core::RecoverFromContextLoss()
 175 {
 176   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 177
 178   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 179 }
 180
 181 void Core::ContextCreated()
 182 {
 183   mRenderManager->ContextCreated();
 184 }
 185
 186 void Core::ContextDestroyed()
 187 {
 188   mRenderManager->ContextDestroyed();
 189 }
 190
 191 void Core::SurfaceResized( uint32_t width, uint32_t height )
 192 {
 193   mStage->SurfaceResized( static_cast<float>( width ), static_cast<float>( height ) );
 194
 195   // The stage-size may be less than surface-size (reduced by top-margin)
 196   Vector2 size = mStage->GetSize();
 197   mRelayoutController->SetStageSize( static_cast<uint32_t>( size.width ), static_cast<uint32_t>( size.height ) ); // values get truncated
 198 }
 199
 200 void Core::SetTopMargin( uint32_t margin )
 201 {
 202   mStage->SetTopMargin( margin );
 203
 204   // The stage-size may be less than surface-size (reduced by top-margin)
 205   Vector2 size = mStage->GetSize();
 206   mRelayoutController->SetStageSize( static_cast<uint32_t>( size.width ), static_cast<uint32_t>( size.height ) ); // values get truncated
 207 }
 208
 209 void Core::SetDpi( uint32_t dpiHorizontal, uint32_t dpiVertical )
 210 {
 211   mStage->SetDpi( Vector2( static_cast<float>( dpiHorizontal ), static_cast<float>( dpiVertical ) ) );
 212 }
 213
 214 void Core::Update( float elapsedSeconds, uint32_t lastVSyncTimeMilliseconds, uint32_t nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo )
 215 {
 216   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 217   // it is cached by frametime
 218   status.secondsFromLastFrame = elapsedSeconds;
 219
 220   // Render returns true when there are updates on the stage or one or more animations are completed.
 221   // Use the estimated time diff till we render as the elapsed time.
 222   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 223                                                 lastVSyncTimeMilliseconds,
 224                                                 nextVSyncTimeMilliseconds,
 225                                                 renderToFboEnabled,
 226                                                 isRenderingToFbo );
 227
 228   // Check the Notification Manager message queue to set needsNotification
 229   status.needsNotification = mNotificationManager->MessagesToProcess();
 230
 231   // Check if the default surface is changed
 232   status.surfaceRectChanged = mUpdateManager->IsDefaultSurfaceRectChanged();
 233
 234   // No need to keep update running if there are notifications to process.
 235   // Any message to update will wake it up anyways
 236 }
 237
 238 void Core::Render( RenderStatus& status, bool forceClear )
 239 {
 240   mRenderManager->Render( status, forceClear );
 241 }
 242
 243 void Core::SceneCreated()
 244 {
 245   mStage->EmitSceneCreatedSignal();
 246
 247   mRelayoutController->OnApplicationSceneCreated();
 248 }
 249
 250 void Core::QueueEvent( const Integration::Event& event )
 251 {
 252   mEventProcessor->QueueEvent( event );
 253 }
 254
 255 void Core::ProcessEvents()
 256 {
 257   // Guard against calls to ProcessEvents() during ProcessEvents()
 258   if( mProcessingEvent )
 259   {
 260     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 261     mRenderController.RequestProcessEventsOnIdle( false );
 262     return;
 263   }
 264
 265   mProcessingEvent = true;
 266   mRelayoutController->SetProcessingCoreEvents( true );
 267
 268   // Signal that any messages received will be flushed soon
 269   mUpdateManager->EventProcessingStarted();
 270
 271   mEventProcessor->ProcessEvents();
 272
 273   mNotificationManager->ProcessMessages();
 274
 275   // Emit signal here to inform listeners that event processing has finished.
 276   mStage->EmitEventProcessingFinishedSignal();
 277
 278   // Run any registered processors
 279   RunProcessors();
 280
 281   // Run the size negotiation after event processing finished signal
 282   mRelayoutController->Relayout();
 283
 284
 285   // Rebuild depth tree after event processing has finished
 286   mStage->RebuildDepthTree();
 287
 288   // Flush any queued messages for the update-thread
 289   const bool messagesToProcess = mUpdateManager->FlushQueue();
 290
 291   // Check if the touch or gestures require updates.
 292   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 293   // Check if the next update is forced.
 294   const bool forceUpdate = mStage->IsNextUpdateForced();
 295
 296   if( messagesToProcess || gestureNeedsUpdate || forceUpdate )
 297   {
 298     // tell the render controller to keep update thread running
 299     mRenderController.RequestUpdate( forceUpdate );
 300   }
 301
 302   mRelayoutController->SetProcessingCoreEvents( false );
 303
 304   // ProcessEvents() may now be called again
 305   mProcessingEvent = false;
 306 }
 307
 308 uint32_t Core::GetMaximumUpdateCount() const
 309 {
 310   return MAXIMUM_UPDATE_COUNT;
 311 }
 312
 313 Integration::SystemOverlay& Core::GetSystemOverlay()
 314 {
 315   return mStage->GetSystemOverlay();
 316 }
 317
 318 void Core::RegisterProcessor( Integration::Processor& processor )
 319 {
 320   mProcessors.PushBack(&processor);
 321 }
 322
 323 void Core::UnregisterProcessor( Integration::Processor& processor )
 324 {
 325   auto iter = std::find( mProcessors.Begin(), mProcessors.End(), &processor );
 326   if( iter != mProcessors.End() )
 327   {
 328     mProcessors.Erase( iter );
 329   }
 330 }
 331
 332 void Core::RunProcessors()
 333 {
 334   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 335   Dali::Vector<Integration::Processor*> processors( mProcessors );
 336
 337   for( auto processor : processors )
 338   {
 339     if( processor )
 340     {
 341       processor->Process();
 342     }
 343   }
 344 }
 345
 346 StagePtr Core::GetCurrentStage()
 347 {
 348   return mStage.Get();
 349 }
 350
 351 PlatformAbstraction& Core::GetPlatform()
 352 {
 353   return mPlatform;
 354 }
 355
 356 UpdateManager& Core::GetUpdateManager()
 357 {
 358   return *(mUpdateManager);
 359 }
 360
 361 RenderManager& Core::GetRenderManager()
 362 {
 363   return *(mRenderManager);
 364 }
 365
 366 NotificationManager& Core::GetNotificationManager()
 367 {
 368   return *(mNotificationManager);
 369 }
 370
 371 ShaderFactory& Core::GetShaderFactory()
 372 {
 373   return *(mShaderFactory);
 374 }
 375
 376 GestureEventProcessor& Core::GetGestureEventProcessor()
 377 {
 378   return *(mGestureEventProcessor);
 379 }
 380
 381 RelayoutController& Core::GetRelayoutController()
 382 {
 383   return *(mRelayoutController.Get());
 384 }
 385
 386 void Core::CreateThreadLocalStorage()
 387 {
 388   // a pointer to the ThreadLocalStorage object will be stored in TLS
 389   // The ThreadLocalStorage object should be deleted by the Core destructor
 390   new ThreadLocalStorage(this);
 391 }
 392
 393 } // namespace Internal
 394
 395 } // namespace Dali