dali/internal/common/core-impl.cpp

   1 /*
   2  * Copyright (c) 2018 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
  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/graphics/graphics.h>
  27 #include <dali/integration-api/platform-abstraction.h>
  28 #include <dali/integration-api/render-controller.h>
  29 #include <dali/integration-api/system-overlay.h>
  30
  31 #include <dali/internal/common/performance-monitor.h>
  32
  33 #include <dali/internal/event/actors/actor-impl.h>
  34 #include <dali/internal/event/animation/animation-playlist.h>
  35 #include <dali/internal/event/common/notification-manager.h>
  36 #include <dali/internal/event/common/property-notification-manager.h>
  37 #include <dali/internal/event/common/stage-impl.h>
  38 #include <dali/internal/event/common/thread-local-storage.h>
  39 #include <dali/internal/event/common/type-registry-impl.h>
  40 #include <dali/internal/event/effects/shader-factory.h>
  41 #include <dali/internal/event/events/event-processor.h>
  42 #include <dali/internal/event/events/gesture-event-processor.h>
  43 #include <dali/internal/event/render-tasks/render-task-list-impl.h>
  44 #include <dali/internal/event/size-negotiation/relayout-controller-impl.h>
  45
  46 #include <dali/internal/update/common/discard-queue.h>
  47 #include <dali/internal/update/manager/update-manager.h>
  48 #include <dali/internal/update/manager/render-task-processor.h>
  49
  50 extern "C"
  51 {
  52 std::vector<uint32_t> GraphicsGetBuiltinShader( const std::string& tag );
  53 }
  54
  55 using Dali::Internal::SceneGraph::UpdateManager;
  56 using Dali::Internal::SceneGraph::DiscardQueue;
  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 namespace Internal
  71 {
  72
  73 using Integration::RenderController;
  74 using Integration::PlatformAbstraction;
  75 using Integration::GestureManager;
  76 using Integration::Event;
  77 using Integration::UpdateStatus;
  78 using Integration::RenderStatus;
  79 using Integration::Graphics::Graphics;
  80
  81
  82 Core::Core( RenderController& renderController,
  83             PlatformAbstraction& platform,
  84             Graphics& graphics,
  85             GestureManager& gestureManager,
  86             ResourcePolicy::DataRetention dataRetentionPolicy,
  87             Integration::RenderToFrameBuffer renderToFboEnabled,
  88             Integration::DepthBufferAvailable depthBufferAvailable,
  89             Integration::StencilBufferAvailable stencilBufferAvailable )
  90 : mRenderController( renderController ),
  91   mPlatform(platform),
  92   mProcessingEvent(false),
  93   mGraphics(graphics)
  94 {
  95   // fixme: for now to ensure libgraphics.a won't be removed during linking due to being
  96   Integration::Graphics::IncludeThisLibrary();
  97
  98   GraphicsGetBuiltinShader("");
  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   mRenderTaskProcessor = new SceneGraph::RenderTaskProcessor();
 113
 114   mDiscardQueue = new DiscardQueue();
 115
 116   mUpdateManager = new UpdateManager( *mNotificationManager,
 117                                       *mAnimationPlaylist,
 118                                       *mPropertyNotificationManager,
 119                                       *mDiscardQueue,
 120                                        renderController,
 121                                       *mRenderTaskProcessor,
 122                                        graphics );
 123
 124
 125   mStage = IntrusivePtr<Stage>( Stage::New( *mAnimationPlaylist, *mPropertyNotificationManager, *mUpdateManager, *mNotificationManager, mRenderController ) );
 126
 127   // This must be called after stage is created but before stage initialization
 128   mRelayoutController = IntrusivePtr< RelayoutController >( new RelayoutController( mRenderController ) );
 129
 130   mStage->Initialize( renderToFboEnabled == Integration::RenderToFrameBuffer::TRUE );
 131
 132   mGestureEventProcessor = new GestureEventProcessor( *mStage, *mUpdateManager, gestureManager, mRenderController );
 133   mEventProcessor = new EventProcessor( *mStage, *mNotificationManager, *mGestureEventProcessor );
 134
 135   mShaderFactory = new ShaderFactory();
 136
 137   GetImplementation(Dali::TypeRegistry::Get()).CallInitFunctions();
 138 }
 139
 140 Core::~Core()
 141 {
 142   /*
 143    * The order of destructing these singletons is important!!!
 144    */
 145
 146   // clear the thread local storage first
 147   // allows core to be created / deleted many times in the same thread (how TET cases work).
 148   // Do this before mStage.Reset() so Stage::IsInstalled() returns false
 149   ThreadLocalStorage* tls = ThreadLocalStorage::GetInternal();
 150   if( tls )
 151   {
 152     tls->Remove();
 153     delete tls;
 154   }
 155
 156   // Stop relayout requests being raised on stage destruction
 157   mRelayoutController.Reset();
 158
 159   // Clean-up stage - remove default camera and root layer
 160   mStage->Uninitialize();
 161
 162   // remove (last?) reference to stage
 163   mStage.Reset();
 164 }
 165
 166 void Core::SurfaceResized( unsigned int width, unsigned int height )
 167 {
 168   mStage->SurfaceResized( width, height );
 169
 170   // The stage-size may be less than surface-size (reduced by top-margin)
 171   Vector2 size = mStage->GetSize();
 172   mRelayoutController->SetStageSize( size.width, size.height );
 173 }
 174
 175 void Core::SetTopMargin( unsigned int margin )
 176 {
 177   mStage->SetTopMargin( margin );
 178
 179   // The stage-size may be less than surface-size (reduced by top-margin)
 180   Vector2 size = mStage->GetSize();
 181   mRelayoutController->SetStageSize( size.width, size.height );
 182 }
 183
 184 void Core::SetDpi( unsigned int dpiHorizontal, unsigned int dpiVertical )
 185 {
 186   mStage->SetDpi( Vector2( dpiHorizontal , dpiVertical) );
 187 }
 188
 189 void Core::Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, Integration::UpdateStatus& status, bool renderToFboEnabled, bool isRenderingToFbo )
 190 {
 191   // set the time delta so adaptor can easily print FPS with a release build with 0 as
 192   // it is cached by frametime
 193   status.secondsFromLastFrame = elapsedSeconds;
 194
 195   // Render returns true when there are updates on the stage or one or more animations are completed.
 196   // Use the estimated time diff till we render as the elapsed time.
 197   status.keepUpdating = mUpdateManager->Update( elapsedSeconds,
 198                                                 lastVSyncTimeMilliseconds,
 199                                                 nextVSyncTimeMilliseconds,
 200                                                 renderToFboEnabled,
 201                                                 isRenderingToFbo );
 202
 203   // Check the Notification Manager message queue to set needsNotification
 204   status.needsNotification = mNotificationManager->MessagesToProcess();
 205
 206   // No need to keep update running if there are notifications to process.
 207   // Any message to update will wake it up anyways
 208 }
 209
 210 void Core::Render( RenderStatus& status, bool forceClear )
 211 {
 212   DALI_LOG_ERROR("Render()!\n");
 213   (void)status;
 214 }
 215
 216 void Core::SceneCreated()
 217 {
 218   mStage->EmitSceneCreatedSignal();
 219
 220   mRelayoutController->OnApplicationSceneCreated();
 221 }
 222
 223 void Core::QueueEvent( const Integration::Event& event )
 224 {
 225   mEventProcessor->QueueEvent( event );
 226 }
 227
 228 void Core::ProcessEvents()
 229 {
 230   // Guard against calls to ProcessEvents() during ProcessEvents()
 231   if( mProcessingEvent )
 232   {
 233     DALI_LOG_ERROR( "ProcessEvents should not be called from within ProcessEvents!\n" );
 234     mRenderController.RequestProcessEventsOnIdle( false );
 235     return;
 236   }
 237
 238   mProcessingEvent = true;
 239   mRelayoutController->SetProcessingCoreEvents( true );
 240
 241   // Signal that any messages received will be flushed soon
 242   mUpdateManager->EventProcessingStarted();
 243
 244   mEventProcessor->ProcessEvents();
 245
 246   mNotificationManager->ProcessMessages();
 247
 248   // Emit signal here to inform listeners that event processing has finished.
 249   mStage->EmitEventProcessingFinishedSignal();
 250
 251   // Run the size negotiation after event processing finished signal
 252   mRelayoutController->Relayout();
 253
 254   // Run any registered processors
 255   RunProcessors();
 256
 257   // Rebuild depth tree after event processing has finished
 258   mStage->RebuildDepthTree();
 259
 260   // Flush any queued messages for the update-thread
 261   const bool messagesToProcess = mUpdateManager->FlushQueue();
 262
 263   // Check if the touch or gestures require updates.
 264   const bool gestureNeedsUpdate = mGestureEventProcessor->NeedsUpdate();
 265   // Check if the next update is forced.
 266   const bool forceUpdate = mStage->IsNextUpdateForced();
 267
 268   if( messagesToProcess || gestureNeedsUpdate || forceUpdate )
 269   {
 270     // tell the render controller to keep update thread running
 271     mRenderController.RequestUpdate( forceUpdate );
 272   }
 273
 274   mRelayoutController->SetProcessingCoreEvents( false );
 275
 276   // ProcessEvents() may now be called again
 277   mProcessingEvent = false;
 278 }
 279
 280 unsigned int Core::GetMaximumUpdateCount() const
 281 {
 282   return MAXIMUM_UPDATE_COUNT;
 283 }
 284
 285 Integration::SystemOverlay& Core::GetSystemOverlay()
 286 {
 287   return mStage->GetSystemOverlay();
 288 }
 289
 290 void Core::SetViewMode( ViewMode viewMode )
 291 {
 292   mStage->SetViewMode( viewMode );
 293 }
 294
 295 ViewMode Core::GetViewMode() const
 296 {
 297   return mStage->GetViewMode();
 298 }
 299
 300 void Core::SetStereoBase( float stereoBase )
 301 {
 302   mStage->SetStereoBase( stereoBase );
 303 }
 304
 305 void Core::RegisterProcessor( Integration::Processor& processor )
 306 {
 307   mProcessors.PushBack(&processor);
 308 }
 309
 310 void Core::UnregisterProcessor( Integration::Processor& processor )
 311 {
 312   auto iter = std::find( mProcessors.Begin(), mProcessors.End(), &processor );
 313   if( iter != mProcessors.End() )
 314   {
 315     mProcessors.Erase( iter );
 316   }
 317 }
 318
 319 void Core::RunProcessors()
 320 {
 321   // Copy processor pointers to prevent changes to vector affecting loop iterator.
 322   Dali::Vector<Integration::Processor*> processors( mProcessors );
 323
 324   for( auto processor : processors )
 325   {
 326     if( processor )
 327     {
 328       processor->Process();
 329     }
 330   }
 331 }
 332
 333 float Core::GetStereoBase() const
 334 {
 335   return mStage->GetStereoBase();
 336 }
 337
 338 StagePtr Core::GetCurrentStage()
 339 {
 340   return mStage.Get();
 341 }
 342
 343 PlatformAbstraction& Core::GetPlatform()
 344 {
 345   return mPlatform;
 346 }
 347
 348 UpdateManager& Core::GetUpdateManager()
 349 {
 350   return *(mUpdateManager);
 351 }
 352
 353
 354 NotificationManager& Core::GetNotificationManager()
 355 {
 356   return *(mNotificationManager);
 357 }
 358
 359 ShaderFactory& Core::GetShaderFactory()
 360 {
 361   return *(mShaderFactory);
 362 }
 363
 364 GestureEventProcessor& Core::GetGestureEventProcessor()
 365 {
 366   return *(mGestureEventProcessor);
 367 }
 368
 369 RelayoutController& Core::GetRelayoutController()
 370 {
 371   return *(mRelayoutController.Get());
 372 }
 373
 374 void Core::CreateThreadLocalStorage()
 375 {
 376   // a pointer to the ThreadLocalStorage object will be stored in TLS
 377   // The ThreadLocalStorage object should be deleted by the Core destructor
 378   new ThreadLocalStorage(this);
 379 }
 380
 381 } // namespace Internal
 382
 383 } // namespace Dali