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