dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2014 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/platform-abstraction.h>
  26 #include <dali/integration-api/gl-sync-abstraction.h>
  27 #include <dali/integration-api/render-controller.h>
  28 #include <dali/internal/event/actors/actor-impl.h>
  29 #include <dali/internal/event/common/stage-impl.h>
  30 #include <dali/internal/event/animation/animation-playlist.h>
  31 #include <dali/internal/event/common/property-notification-manager.h>
  32 #include <dali/internal/event/common/notification-manager.h>
  33 #include <dali/integration-api/events/event.h>
  34 #include <dali/internal/event/events/event-processor.h>
  35 #include <dali/internal/event/events/gesture-event-processor.h>
  36 #include <dali/internal/update/manager/update-manager.h>
  37 #include <dali/internal/render/common/performance-monitor.h>
  38 #include <dali/internal/render/common/render-manager.h>
  39 #include <dali/internal/update/common/discard-queue.h>
  40 #include <dali/internal/common/event-to-update.h>
  41 #include <dali/internal/update/resources/resource-manager.h>
  42 #include <dali/internal/event/images/image-factory.h>
  43 #include <dali/internal/event/common/thread-local-storage.h>
  44 #include <dali/internal/event/effects/shader-factory.h>
  45 #include <dali/internal/update/touch/touch-resampler.h>
  46 #include <dali/internal/event/common/type-registry-impl.h>
  47 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  48
  49 #include <dali/internal/render/gl-resources/texture-cache.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 using Dali::Internal::SceneGraph::TextureCache;
  57
  58 namespace
  59 {
  60 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  61 const unsigned int MAXIMUM_UPDATE_COUNT = 2u;
  62
  63 #if defined(DEBUG_ENABLED)
  64 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  65 #endif
  66 }
  67
  68 namespace Dali
  69 {
  70
  71 namespace Internal
  72 {
  73
  74 using Integration::RenderController;
  75 using Integration::PlatformAbstraction;
  76 using Integration::GlSyncAbstraction;
  77 using Integration::GestureManager;
  78 using Integration::GlAbstraction;
  79 using Integration::Event;
  80 using Integration::UpdateStatus;
  81 using Integration::RenderStatus;
  82
  83 Core::Core( RenderController& renderController, PlatformAbstraction& platform,
  84             GlAbstraction& glAbstraction, GlSyncAbstraction& glSyncAbstraction,
  85             GestureManager& gestureManager, ResourcePolicy::DataRetention dataRetentionPolicy)
  86 : mRenderController( renderController ),
  87   mPlatform(platform),
  88   mGestureEventProcessor(NULL),
  89   mEventProcessor(NULL),
  90   mUpdateManager(NULL),
  91   mRenderManager(NULL),
  92   mDiscardQueue(NULL),
  93   mResourcePostProcessQueue(),
  94   mNotificationManager(NULL),
  95   mImageFactory(NULL),
  96   mShaderFactory(NULL),
  97   mIsActive(true),
  98   mProcessingEvent(false)
  99 {
 100   // Create the thread local storage
 101   CreateThreadLocalStorage();
 102
 103   // This does nothing until Core is built with --enable-performance-monitor
 104   PERFORMANCE_MONITOR_INIT( platform );
 105
 106   mNotificationManager = new NotificationManager();
 107
 108   mAnimationPlaylist = AnimationPlaylist::New();
 109
 110   mPropertyNotificationManager = PropertyNotificationManager::New();
 111
 112   std::vector< ResourcePostProcessRequest> init;
 113   mResourcePostProcessQueue = new ResourcePostProcessList(init);
 114
 115   mRenderManager = RenderManager::New( glAbstraction, *mResourcePostProcessQueue );
 116
 117   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 118   TextureCache& textureCache = mRenderManager->GetTextureCache();
 119
 120   ResourcePolicy::Discardable discardPolicy = ResourcePolicy::DISCARD;
 121   if( dataRetentionPolicy == ResourcePolicy::DALI_RETAINS_ALL_DATA )
 122   {
 123     discardPolicy = ResourcePolicy::RETAIN;
 124   }
 125   textureCache.SetDiscardBitmapsPolicy(discardPolicy);
 126
 127   mDiscardQueue = new DiscardQueue( renderQueue );
 128
 129   mResourceManager = new ResourceManager(  mPlatform,
 130                                           *mNotificationManager,
 131                                            textureCache,
 132                                           *mResourcePostProcessQueue,
 133                                           *mRenderManager,
 134                                           *mDiscardQueue,
 135                                            renderQueue );
 136
 137   mTouchResampler = TouchResampler::New();
 138
 139   mUpdateManager = new UpdateManager( *mNotificationManager,
 140                                        glSyncAbstraction,
 141                                       *mAnimationPlaylist,
 142                                       *mPropertyNotificationManager,
 143                                       *mResourceManager,
 144                                       *mDiscardQueue,
 145                                        renderController,
 146                                       *mRenderManager,
 147                                        renderQueue,
 148                                        textureCache,
 149                                       *mTouchResampler );
 150
 151   mResourceClient = new ResourceClient( *mResourceManager, *mUpdateManager, dataRetentionPolicy );
 152
 153   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager ) );
 154
 155   mStage->Initialize();
 156
 157   mGestureEventProcessor = new GestureEventProcessor(*mStage, gestureManager, mRenderController);
 158   mEventProcessor = new EventProcessor(*mStage, *mNotificationManager, *mGestureEventProcessor);
 159
 160   mImageFactory = new ImageFactory( *mResourceClient );
 161   mShaderFactory = new ShaderFactory(*mResourceClient);
 162   mShaderFactory->LoadDefaultShaders();
 163
 164   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 165 }
 166
 167 Core::~Core()
 168 {
 169   /**
 170    * TODO this should be done by Adaptor, Core does not know about threading
 171    * First stop the resource loading thread(s)
 172    */
 173   mPlatform.JoinLoaderThreads();
 174
 175   /*
 176    * The order of destructing these singletons is important!!!
 177    */
 178
 179   // clear the thread local storage first
 180   // allows core to be created / deleted many times in the same thread (how TET cases work).
 181   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 182   ThreadLocalStorage::Get().Remove();
 183
 184   // Clean-up stage - remove default camera and root layer
 185   mStage->Uninitialize();
 186
 187   // remove (last?) reference to stage
 188   mStage.Reset();
 189
 190   delete mEventProcessor;
 191   delete mGestureEventProcessor;
 192   delete mNotificationManager;
 193   delete mImageFactory;
 194   delete mShaderFactory;
 195   delete mResourceClient;
 196   delete mResourceManager;
 197   delete mUpdateManager;
 198   delete mTouchResampler;
 199   delete mRenderManager;
 200   delete mDiscardQueue;
 201   delete mResourcePostProcessQueue;
 202 }
 203
 204 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 205 {
 206   return mStage.Get();
 207 }
 208
 209 void Core::RecoverFromContextLoss()
 210 {
 211   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 212
 213   mImageFactory->RecoverFromContextLoss(); // Reload images from files
 214   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 215 }
 216
 217 void Core::ContextCreated()
 218 {
 219   mRenderManager->ContextCreated();
 220 }
 221
 222 void Core::ContextDestroyed()
 223 {
 224   mRenderManager->ContextDestroyed();
 225 }
 226
 227 void Core::SurfaceResized(unsigned int width, unsigned int height)
 228 {
 229   mStage->SetSize(width, height);
 230 }
 231
 232 void Core::SetDpi(unsigned int dpiHorizontal, unsigned int dpiVertical)
 233 {
 234   mPlatform.SetDpi( dpiHorizontal, dpiVertical );
 235   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 236 }
 237
 238 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 239 {
 240   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 241   // it is cached by frametime
 242   status.secondsFromLastFrame = elapsedSeconds;
 243
 244   // Render returns true when there are updates on the stage or one or more animations are completed.
 245   // Use the estimated time diff till we render as the elapsed time.
 246   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 247                                                 lastVSyncTimeMilliseconds,
 248                                                 nextVSyncTimeMilliseconds );
 249
 250   // Check the Notification Manager message queue to set needsNotification
 251   status.needsNotification = mNotificationManager->MessagesToProcess();
 252
 253   // No need to keep update running if there are notifications to process.
 254   // Any message to update will wake it up anyways
 255
 256   if ( mResourceManager->ResourcesToProcess() )
 257   {
 258     // If we are still processing resources, then we have to continue the update
 259     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 260   }
 261 }
 262
 263 void Core::Render( RenderStatus& status )
 264 {
 265   bool updateRequired = mRenderManager->Render( status );
 266
 267   status.SetNeedsUpdate( updateRequired );
 268 }
 269
 270 void Core::Suspend()
 271 {
 272   mPlatform.Suspend();
 273
 274   mIsActive = false;
 275 }
 276
 277 void Core::Resume()
 278 {
 279   mPlatform.Resume();
 280
 281   mIsActive = true;
 282
 283   // trigger processing of events queued up while paused
 284   ProcessEvents();
 285 }
 286
 287 void Core::SceneCreated()
 288 {
 289   mStage->EmitSceneCreatedSignal();
 290 }
 291
 292 void Core::QueueEvent( const Integration::Event& event )
 293 {
 294   mEventProcessor->QueueEvent( event );
 295 }
 296
 297 void Core::ProcessEvents()
 298 {
 299   // Guard against calls to ProcessEvents() during ProcessEvents()
 300   if( mProcessingEvent )
 301   {
 302     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!" );
 303     mRenderController.RequestProcessEventsOnIdle();
 304     return;
 305   }
 306
 307   mProcessingEvent = true;
 308
 309   EventToUpdate& eventToUpdate = mUpdateManager->GetEventToUpdate();
 310
 311   // Signal that any messages received will be flushed soon
 312   eventToUpdate.EventProcessingStarted();
 313
 314   mEventProcessor->ProcessEvents();
 315
 316   mNotificationManager->ProcessMessages();
 317
 318   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 319   if( mIsActive )
 320   {
 321     // Emit signal here to start size negotiation and control relayout.
 322     mStage->EmitEventProcessingFinishedSignal();
 323
 324     // Flush discard queue for image factory
 325     mImageFactory->FlushReleaseQueue();
 326
 327     // Flush any queued messages for the update-thread
 328     const bool messagesToProcess = eventToUpdate.FlushQueue();
 329
 330     // Check if the touch or gestures require updates.
 331     const bool touchNeedsUpdate = mTouchResampler->NeedsUpdate();
 332     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 333
 334     if( messagesToProcess || touchNeedsUpdate || gestureNeedsUpdate )
 335     {
 336       // tell the render controller to keep update thread running
 337       mRenderController.RequestUpdate();
 338     }
 339   }
 340
 341   // ProcessEvents() may now be called again
 342   mProcessingEvent = false;
 343 }
 344
 345 void Core::UpdateTouchData(const Integration::TouchData& touch)
 346 {
 347   mTouchResampler->SendTouchData( touch );
 348 }
 349
 350 unsigned int Core::GetMaximumUpdateCount() const
 351 {
 352   return MAXIMUM_UPDATE_COUNT;
 353 }
 354
 355 Integration::SystemOverlay& Core::GetSystemOverlay()
 356 {
 357   return mStage->GetSystemOverlay();
 358 }
 359
 360 void Core::SetViewMode( ViewMode viewMode )
 361 {
 362   mStage->SetViewMode( viewMode );
 363 }
 364
 365 ViewMode Core::GetViewMode() const
 366 {
 367   return mStage->GetViewMode();
 368 }
 369
 370 void Core::SetStereoBase( float stereoBase )
 371 {
 372   mStage->SetStereoBase( stereoBase );
 373 }
 374
 375 float Core::GetStereoBase() const
 376 {
 377   return mStage->GetStereoBase();
 378 }
 379
 380 StagePtr Core::GetCurrentStage()
 381 {
 382   return mStage.Get();
 383 }
 384
 385 PlatformAbstraction& Core::GetPlatform()
 386 {
 387   return mPlatform;
 388 }
 389
 390 UpdateManager& Core::GetUpdateManager()
 391 {
 392   return *(mUpdateManager);
 393 }
 394
 395 RenderManager& Core::GetRenderManager()
 396 {
 397   return *(mRenderManager);
 398 }
 399
 400 NotificationManager& Core::GetNotificationManager()
 401 {
 402   return *(mNotificationManager);
 403 }
 404
 405 ResourceManager& Core::GetResourceManager()
 406 {
 407   return *(mResourceManager);
 408 }
 409
 410 ResourceClient& Core::GetResourceClient()
 411 {
 412   return *(mResourceClient);
 413 }
 414
 415 ImageFactory& Core::GetImageFactory()
 416 {
 417   return *(mImageFactory);
 418 }
 419
 420 ShaderFactory& Core::GetShaderFactory()
 421 {
 422   return *(mShaderFactory);
 423 }
 424
 425 GestureEventProcessor& Core::GetGestureEventProcessor()
 426 {
 427   return *(mGestureEventProcessor);
 428 }
 429
 430 void Core::CreateThreadLocalStorage()
 431 {
 432   // a pointer to the ThreadLocalStorage object will be stored in TLS
 433   // and automatically deleted when the thread is killed
 434   new ThreadLocalStorage(this);
 435 }
 436
 437 } // namespace Internal
 438
 439 } // namespace Dali