dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2017 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             bool renderToFboEnabled )
  88 : mRenderController( renderController ),
  89   mPlatform(platform),
  90   mProcessingEvent(false)
  91 {
  92   // Create the thread local storage
  93   CreateThreadLocalStorage();
  94
  95   // This does nothing until Core is built with --enable-performance-monitor
  96   PERFORMANCE_MONITOR_INIT( platform );
  97
  98   mNotificationManager = new NotificationManager();
  99
 100   mAnimationPlaylist = AnimationPlaylist::New();
 101
 102   mPropertyNotificationManager = PropertyNotificationManager::New();
 103
 104   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 105
 106   mRenderManager = RenderManager::New( glAbstraction, glSyncAbstraction );
 107
 108   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 109
 110   mDiscardQueue = new DiscardQueue( renderQueue );
 111
 112   mUpdateManager = new UpdateManager( *mNotificationManager,
 113                                       *mAnimationPlaylist,
 114                                       *mPropertyNotificationManager,
 115                                       *mDiscardQueue,
 116                                        renderController,
 117                                       *mRenderManager,
 118                                        renderQueue,
 119                                       *mRenderTaskProcessor );
 120
 121   mRenderManager->SetShaderSaver( *mUpdateManager );
 122
 123   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager, mRenderController ) );
 124
 125   // This must be called after stage is created but before stage initialization
 126   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 127
 128   mStage->Initialize( renderToFboEnabled );
 129
 130   mGestureEventProcessor = new GestureEventProcessor( *mStage, *mUpdateManager, gestureManager, mRenderController );
 131   mEventProcessor = new EventProcessor( *mStage, *mNotificationManager, *mGestureEventProcessor );
 132
 133   mShaderFactory = new ShaderFactory();
 134   mUpdateManager->SetShaderSaver( *mShaderFactory );
 135
 136   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 137 }
 138
 139 Core::~Core()
 140 {
 141   /*
 142    * The order of destructing these singletons is important!!!
 143    */
 144
 145   // clear the thread local storage first
 146   // allows core to be created / deleted many times in the same thread (how TET cases work).
 147   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 148   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 149   if( tls )
 150   {
 151     tls->Remove();
 152     delete tls;
 153   }
 154
 155   // Stop relayout requests being raised on stage destruction
 156   mRelayoutController.Reset();
 157
 158   // Clean-up stage - remove default camera and root layer
 159   mStage->Uninitialize();
 160
 161   // remove (last?) reference to stage
 162   mStage.Reset();
 163
 164 }
 165
 166 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 167 {
 168   return mStage.Get();
 169 }
 170
 171 void Core::RecoverFromContextLoss()
 172 {
 173   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 174
 175   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 176 }
 177
 178 void Core::ContextCreated()
 179 {
 180   mRenderManager->ContextCreated();
 181 }
 182
 183 void Core::ContextDestroyed()
 184 {
 185   mRenderManager->ContextDestroyed();
 186 }
 187
 188 void Core::SurfaceResized( unsigned int width, unsigned int height )
 189 {
 190   mStage->SurfaceResized( width, height );
 191
 192   // The stage-size may be less than surface-size (reduced by top-margin)
 193   Vector2 size = mStage->GetSize();
 194   mRelayoutController->SetStageSize( size.width, size.height );
 195 }
 196
 197 void Core::SetTopMargin( unsigned int margin )
 198 {
 199   mStage->SetTopMargin( margin );
 200
 201   // The stage-size may be less than surface-size (reduced by top-margin)
 202   Vector2 size = mStage->GetSize();
 203   mRelayoutController->SetStageSize( size.width, size.height );
 204 }
 205
 206 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 207 {
 208   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 209 }
 210
 211 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo )
 212 {
 213   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 214   // it is cached by frametime
 215   status.secondsFromLastFrame = elapsedSeconds;
 216
 217   // Render returns true when there are updates on the stage or one or more animations are completed.
 218   // Use the estimated time diff till we render as the elapsed time.
 219   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 220                                                 lastVSyncTimeMilliseconds,
 221                                                 nextVSyncTimeMilliseconds,
 222                                                 renderToFboEnabled,
 223                                                 isRenderingToFbo );
 224
 225   // Check the Notification Manager message queue to set needsNotification
 226   status.needsNotification = mNotificationManager->MessagesToProcess();
 227
 228   // No need to keep update running if there are notifications to process.
 229   // Any message to update will wake it up anyways
 230 }
 231
 232 void Core::Render( RenderStatus& status )
 233 {
 234   mRenderManager->Render( status );
 235 }
 236
 237 void Core::SceneCreated()
 238 {
 239   mStage->EmitSceneCreatedSignal();
 240
 241   mRelayoutController->OnApplicationSceneCreated();
 242 }
 243
 244 void Core::QueueEvent( const Integration::Event& event )
 245 {
 246   mEventProcessor->QueueEvent( event );
 247 }
 248
 249 void Core::ProcessEvents()
 250 {
 251   // Guard against calls to ProcessEvents() during ProcessEvents()
 252   if( mProcessingEvent )
 253   {
 254     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 255     mRenderController.RequestProcessEventsOnIdle( false );
 256     return;
 257   }
 258
 259   mProcessingEvent = true;
 260   mRelayoutController->SetProcessingCoreEvents( true );
 261
 262   // Signal that any messages received will be flushed soon
 263   mUpdateManager->EventProcessingStarted();
 264
 265   mEventProcessor->ProcessEvents();
 266
 267   mNotificationManager->ProcessMessages();
 268
 269   // Emit signal here to inform listeners that event processing has finished.
 270   mStage->EmitEventProcessingFinishedSignal();
 271
 272   // Run the size negotiation after event processing finished signal
 273   mRelayoutController->Relayout();
 274
 275   // Rebuild depth tree after event processing has finished
 276   mStage->RebuildDepthTree();
 277
 278   // Flush any queued messages for the update-thread
 279   const bool messagesToProcess = mUpdateManager->FlushQueue();
 280
 281   // Check if the touch or gestures require updates.
 282   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 283   // Check if the next update is forced.
 284   const bool forceUpdate = mStage->IsNextUpdateForced();
 285
 286   if( messagesToProcess || gestureNeedsUpdate || forceUpdate )
 287   {
 288     // tell the render controller to keep update thread running
 289     mRenderController.RequestUpdate( forceUpdate );
 290   }
 291
 292   mRelayoutController->SetProcessingCoreEvents( false );
 293
 294   // ProcessEvents() may now be called again
 295   mProcessingEvent = false;
 296 }
 297
 298 unsigned int Core::GetMaximumUpdateCount() const
 299 {
 300   return MAXIMUM_UPDATE_COUNT;
 301 }
 302
 303 Integration::SystemOverlay& Core::GetSystemOverlay()
 304 {
 305   return mStage->GetSystemOverlay();
 306 }
 307
 308 void Core::SetViewMode( ViewMode viewMode )
 309 {
 310   mStage->SetViewMode( viewMode );
 311 }
 312
 313 ViewMode Core::GetViewMode() const
 314 {
 315   return mStage->GetViewMode();
 316 }
 317
 318 void Core::SetStereoBase( float stereoBase )
 319 {
 320   mStage->SetStereoBase( stereoBase );
 321 }
 322
 323 float Core::GetStereoBase() const
 324 {
 325   return mStage->GetStereoBase();
 326 }
 327
 328 StagePtr Core::GetCurrentStage()
 329 {
 330   return mStage.Get();
 331 }
 332
 333 PlatformAbstraction& Core::GetPlatform()
 334 {
 335   return mPlatform;
 336 }
 337
 338 UpdateManager& Core::GetUpdateManager()
 339 {
 340   return *(mUpdateManager);
 341 }
 342
 343 RenderManager& Core::GetRenderManager()
 344 {
 345   return *(mRenderManager);
 346 }
 347
 348 NotificationManager& Core::GetNotificationManager()
 349 {
 350   return *(mNotificationManager);
 351 }
 352
 353 ShaderFactory& Core::GetShaderFactory()
 354 {
 355   return *(mShaderFactory);
 356 }
 357
 358 GestureEventProcessor& Core::GetGestureEventProcessor()
 359 {
 360   return *(mGestureEventProcessor);
 361 }
 362
 363 RelayoutController& Core::GetRelayoutController()
 364 {
 365   return *(mRelayoutController.Get());
 366 }
 367
 368 void Core::CreateThreadLocalStorage()
 369 {
 370   // a pointer to the ThreadLocalStorage object will be stored in TLS
 371   // The ThreadLocalStorage object should be deleted by the Core destructor
 372   new ThreadLocalStorage(this);
 373 }
 374
 375 } // namespace Internal
 376
 377 } // namespace Dali