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/modeling/model-factory.h>
  44 #include <dali/internal/event/common/thread-local-storage.h>
  45 #include <dali/internal/event/effects/shader-factory.h>
  46 #include <dali/internal/update/touch/touch-resampler.h>
  47 #include <dali/internal/event/common/type-registry-impl.h>
  48 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  49
  50 #include <dali/internal/render/gl-resources/texture-cache.h>
  51 #include <dali/internal/render/gl-resources/context.h>
  52
  53 using Dali::Internal::SceneGraph::UpdateManager;
  54 using Dali::Internal::SceneGraph::RenderManager;
  55 using Dali::Internal::SceneGraph::DiscardQueue;
  56 using Dali::Internal::SceneGraph::RenderQueue;
  57 using Dali::Internal::SceneGraph::TextureCache;
  58
  59 namespace
  60 {
  61 // The Update for frame N+1 may be processed whilst frame N is being rendered.
  62 const unsigned int MAXIMUM_UPDATE_COUNT = 2u;
  63
  64 #if defined(DEBUG_ENABLED)
  65 Debug::Filter* gCoreFilter = Debug::Filter::New(Debug::Concise, false, "LOG_CORE");
  66 #endif
  67 }
  68
  69 namespace Dali
  70 {
  71
  72 namespace Internal
  73 {
  74
  75 using Integration::RenderController;
  76 using Integration::PlatformAbstraction;
  77 using Integration::GlSyncAbstraction;
  78 using Integration::GestureManager;
  79 using Integration::GlAbstraction;
  80 using Integration::Event;
  81 using Integration::UpdateStatus;
  82 using Integration::RenderStatus;
  83
  84 Core::Core( RenderController& renderController, PlatformAbstraction& platform,
  85             GlAbstraction& glAbstraction, GlSyncAbstraction& glSyncAbstraction,
  86             GestureManager& gestureManager, ResourcePolicy::DataRetention dataRetentionPolicy)
  87 : mRenderController( renderController ),
  88   mPlatform(platform),
  89   mGestureEventProcessor(NULL),
  90   mEventProcessor(NULL),
  91   mUpdateManager(NULL),
  92   mRenderManager(NULL),
  93   mDiscardQueue(NULL),
  94   mResourcePostProcessQueue(),
  95   mNotificationManager(NULL),
  96   mImageFactory(NULL),
  97   mModelFactory(NULL),
  98   mShaderFactory(NULL),
  99   mIsActive(true),
 100   mProcessingEvent(false)
 101 {
 102   // Create the thread local storage
 103   CreateThreadLocalStorage();
 104
 105   // This does nothing until Core is built with --enable-performance-monitor
 106   PERFORMANCE_MONITOR_INIT( platform );
 107
 108   mNotificationManager = new NotificationManager();
 109
 110   mAnimationPlaylist = AnimationPlaylist::New();
 111
 112   mPropertyNotificationManager = PropertyNotificationManager::New();
 113
 114   std::vector< ResourcePostProcessRequest> init;
 115   mResourcePostProcessQueue = new ResourcePostProcessList(init);
 116
 117   mRenderManager = RenderManager::New( glAbstraction, *mResourcePostProcessQueue );
 118
 119   RenderQueue& renderQueue = mRenderManager->GetRenderQueue();
 120   TextureCache& textureCache = mRenderManager->GetTextureCache();
 121
 122   ResourcePolicy::Discardable discardPolicy = ResourcePolicy::DISCARD;
 123   if( dataRetentionPolicy == ResourcePolicy::DALI_RETAINS_ALL_DATA )
 124   {
 125     discardPolicy = ResourcePolicy::RETAIN;
 126   }
 127   textureCache.SetDiscardBitmapsPolicy(discardPolicy);
 128
 129   mDiscardQueue = new DiscardQueue( renderQueue );
 130
 131   mResourceManager = new ResourceManager(  mPlatform,
 132                                           *mNotificationManager,
 133                                            textureCache,
 134                                           *mResourcePostProcessQueue,
 135                                           *mRenderManager,
 136                                           *mDiscardQueue,
 137                                            renderQueue );
 138
 139   mTouchResampler = TouchResampler::New();
 140
 141   mUpdateManager = new UpdateManager( *mNotificationManager,
 142                                        glSyncAbstraction,
 143                                       *mAnimationPlaylist,
 144                                       *mPropertyNotificationManager,
 145                                       *mResourceManager,
 146                                       *mDiscardQueue,
 147                                        renderController,
 148                                       *mRenderManager,
 149                                        renderQueue,
 150                                        textureCache,
 151                                       *mTouchResampler );
 152
 153   mResourceClient = new ResourceClient( *mResourceManager, *mUpdateManager, dataRetentionPolicy );
 154
 155   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager ) );
 156
 157   mStage->Initialize();
 158
 159   mGestureEventProcessor = new GestureEventProcessor(*mStage, gestureManager, mRenderController);
 160   mEventProcessor = new EventProcessor(*mStage, *mNotificationManager, *mGestureEventProcessor);
 161
 162   mImageFactory = new ImageFactory( *mResourceClient );
 163   mModelFactory = new ModelFactory(*mResourceClient);
 164   mShaderFactory = new ShaderFactory(*mResourceClient);
 165   mShaderFactory->LoadDefaultShaders();
 166
 167   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 168 }
 169
 170 Core::~Core()
 171 {
 172   /**
 173    * TODO this should be done by Adaptor, Core does not know about threading
 174    * First stop the resource loading thread(s)
 175    */
 176   mPlatform.JoinLoaderThreads();
 177
 178   /*
 179    * The order of destructing these singletons is important!!!
 180    */
 181
 182   // clear the thread local storage first
 183   // allows core to be created / deleted many times in the same thread (how TET cases work).
 184   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 185   ThreadLocalStorage::Get().Remove();
 186
 187   // Clean-up stage - remove default camera and root layer
 188   mStage->Uninitialize();
 189
 190   // remove (last?) reference to stage
 191   mStage.Reset();
 192
 193   delete mEventProcessor;
 194   delete mGestureEventProcessor;
 195   delete mNotificationManager;
 196   delete mImageFactory;
 197   delete mModelFactory;
 198   delete mShaderFactory;
 199   delete mResourceClient;
 200   delete mResourceManager;
 201   delete mUpdateManager;
 202   delete mTouchResampler;
 203   delete mRenderManager;
 204   delete mDiscardQueue;
 205   delete mResourcePostProcessQueue;
 206 }
 207
 208 Integration::ContextNotifierInterface* Core::GetContextNotifier()
 209 {
 210   return mStage.Get();
 211 }
 212
 213 void Core::RecoverFromContextLoss()
 214 {
 215   DALI_LOG_INFO(gCoreFilter, Debug::Verbose, "Core::RecoverFromContextLoss()\n");
 216
 217   mImageFactory->RecoverFromContextLoss(); // Reload images from files
 218   mStage->GetRenderTaskList().RecoverFromContextLoss(); // Re-trigger render-tasks
 219 }
 220
 221 void Core::ContextCreated()
 222 {
 223   mRenderManager->ContextCreated();
 224 }
 225
 226 void Core::ContextDestroyed()
 227 {
 228   mRenderManager->ContextDestroyed();
 229 }
 230
 231 void Core::SurfaceResized(unsigned int width, unsigned int height)
 232 {
 233   mStage->SetSize(width, height);
 234 }
 235
 236 void Core::SetDpi(unsigned int dpiHorizontal, unsigned int dpiVertical)
 237 {
 238   mPlatform.SetDpi( dpiHorizontal, dpiVertical );
 239   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 240 }
 241
 242 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status )
 243 {
 244   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 245   // it is cached by frametime
 246   status.secondsFromLastFrame = elapsedSeconds;
 247
 248   // Render returns true when there are updates on the stage or one or more animations are completed.
 249   // Use the estimated time diff till we render as the elapsed time.
 250   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 251                                                 lastVSyncTimeMilliseconds,
 252                                                 nextVSyncTimeMilliseconds );
 253
 254   // Check the Notification Manager message queue to set needsNotification
 255   status.needsNotification = mNotificationManager->MessagesToProcess();
 256
 257   // No need to keep update running if there are notifications to process.
 258   // Any message to update will wake it up anyways
 259
 260   if ( mResourceManager->ResourcesToProcess() )
 261   {
 262     // If we are still processing resources, then we have to continue the update
 263     status.keepUpdating |= Integration::KeepUpdating::LOADING_RESOURCES;
 264   }
 265 }
 266
 267 void Core::Render( RenderStatus& status )
 268 {
 269   bool updateRequired = mRenderManager->Render( status );
 270
 271   status.SetNeedsUpdate( updateRequired );
 272 }
 273
 274 void Core::Suspend()
 275 {
 276   mPlatform.Suspend();
 277
 278   mIsActive = false;
 279 }
 280
 281 void Core::Resume()
 282 {
 283   mPlatform.Resume();
 284
 285   mIsActive = true;
 286
 287   // trigger processing of events queued up while paused
 288   ProcessEvents();
 289 }
 290
 291 void Core::SceneCreated()
 292 {
 293   mStage->EmitSceneCreatedSignal();
 294 }
 295
 296 void Core::QueueEvent( const Integration::Event& event )
 297 {
 298   mEventProcessor->QueueEvent( event );
 299 }
 300
 301 void Core::ProcessEvents()
 302 {
 303   // Guard against calls to ProcessEvents() during ProcessEvents()
 304   if( mProcessingEvent )
 305   {
 306     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!" );
 307     mRenderController.RequestProcessEventsOnIdle();
 308     return;
 309   }
 310
 311   mProcessingEvent = true;
 312
 313   EventToUpdate& eventToUpdate = mUpdateManager->GetEventToUpdate();
 314
 315   // Signal that any messages received will be flushed soon
 316   eventToUpdate.EventProcessingStarted();
 317
 318   mEventProcessor->ProcessEvents();
 319
 320   mNotificationManager->ProcessMessages();
 321
 322   // Avoid allocating MessageBuffers, triggering size-negotiation or sending any other spam whilst paused
 323   if( mIsActive )
 324   {
 325     // Emit signal here to start size negotiation and control relayout.
 326     mStage->EmitEventProcessingFinishedSignal();
 327
 328     // Flush discard queue for image factory
 329     mImageFactory->FlushReleaseQueue();
 330
 331     // Flush any queued messages for the update-thread
 332     const bool messagesToProcess = eventToUpdate.FlushQueue();
 333
 334     // Check if the touch or gestures require updates.
 335     const bool touchNeedsUpdate = mTouchResampler->NeedsUpdate();
 336     const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 337
 338     if( messagesToProcess || touchNeedsUpdate || gestureNeedsUpdate )
 339     {
 340       // tell the render controller to keep update thread running
 341       mRenderController.RequestUpdate();
 342     }
 343   }
 344
 345   // ProcessEvents() may now be called again
 346   mProcessingEvent = false;
 347 }
 348
 349 void Core::UpdateTouchData(const Integration::TouchData& touch)
 350 {
 351   mTouchResampler->SendTouchData( touch );
 352 }
 353
 354 unsigned int Core::GetMaximumUpdateCount() const
 355 {
 356   return MAXIMUM_UPDATE_COUNT;
 357 }
 358
 359 Integration::SystemOverlay& Core::GetSystemOverlay()
 360 {
 361   return mStage->GetSystemOverlay();
 362 }
 363
 364 void Core::SetViewMode( ViewMode viewMode )
 365 {
 366   mStage->SetViewMode( viewMode );
 367 }
 368
 369 ViewMode Core::GetViewMode() const
 370 {
 371   return mStage->GetViewMode();
 372 }
 373
 374 void Core::SetStereoBase( float stereoBase )
 375 {
 376   mStage->SetStereoBase( stereoBase );
 377 }
 378
 379 float Core::GetStereoBase() const
 380 {
 381   return mStage->GetStereoBase();
 382 }
 383
 384 StagePtr Core::GetCurrentStage()
 385 {
 386   return mStage.Get();
 387 }
 388
 389 PlatformAbstraction& Core::GetPlatform()
 390 {
 391   return mPlatform;
 392 }
 393
 394 UpdateManager& Core::GetUpdateManager()
 395 {
 396   return *(mUpdateManager);
 397 }
 398
 399 RenderManager& Core::GetRenderManager()
 400 {
 401   return *(mRenderManager);
 402 }
 403
 404 NotificationManager& Core::GetNotificationManager()
 405 {
 406   return *(mNotificationManager);
 407 }
 408
 409 ResourceManager& Core::GetResourceManager()
 410 {
 411   return *(mResourceManager);
 412 }
 413
 414 ResourceClient& Core::GetResourceClient()
 415 {
 416   return *(mResourceClient);
 417 }
 418
 419 ImageFactory& Core::GetImageFactory()
 420 {
 421   return *(mImageFactory);
 422 }
 423
 424 ModelFactory& Core::GetModelFactory()
 425 {
 426   return *(mModelFactory);
 427 }
 428
 429 ShaderFactory& Core::GetShaderFactory()
 430 {
 431   return *(mShaderFactory);
 432 }
 433
 434 GestureEventProcessor& Core::GetGestureEventProcessor()
 435 {
 436   return *(mGestureEventProcessor);
 437 }
 438
 439 void Core::CreateThreadLocalStorage()
 440 {
 441   // a pointer to the ThreadLocalStorage object will be stored in TLS
 442   // and automatically deleted when the thread is killed
 443   new ThreadLocalStorage(this);
 444 }
 445
 446 } // namespace Internal
 447
 448 } // namespace Dali