[4.0] Render to Frame Buffer Object.
[platform/core/uifw/dali-core.git] / dali / internal / event / common / stage-impl.cpp
index 34deb3b..b54e34f 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,7 +28,6 @@
 #include <dali/internal/event/actors/layer-impl.h>
 #include <dali/internal/event/actors/layer-list.h>
 #include <dali/internal/event/actors/camera-actor-impl.h>
-#include <dali/internal/event/actor-attachments/camera-attachment-impl.h>
 #include <dali/internal/event/common/system-overlay-impl.h>
 #include <dali/internal/event/common/thread-local-storage.h>
 #include <dali/internal/event/common/property-notification-manager.h>
 #include <dali/internal/event/common/object-registry-impl.h>
 #include <dali/integration-api/platform-abstraction.h>
 #include <dali/public-api/common/constants.h>
+#include <dali/public-api/events/touch-data.h>
 #include <dali/public-api/object/type-registry.h>
 #include <dali/public-api/render-tasks/render-task-list.h>
-
-#ifdef DYNAMICS_SUPPORT
-#include <dali/internal/event/dynamics/dynamics-world-config-impl.h>
-#include <dali/internal/event/dynamics/dynamics-world-impl.h>
-#include <dali/integration-api/dynamics/dynamics-factory-intf.h>
-#include <dali/integration-api/dynamics/dynamics-world-settings.h>
-#endif
+#include <dali/public-api/rendering/frame-buffer.h>
 
 using Dali::Internal::SceneGraph::Node;
 
+namespace
+{
+#if defined(DEBUG_ENABLED)
+Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_DEPTH_TIMER" );
+#endif
+}
+
 namespace Dali
 {
 
@@ -62,13 +63,15 @@ const float DEFAULT_STEREO_BASE( 65.0f );
 
 // Signals
 
-const char* const SIGNAL_KEY_EVENT =                 "key-event";
-const char* const SIGNAL_EVENT_PROCESSING_FINISHED = "event-processing-finished";
+const char* const SIGNAL_KEY_EVENT =                 "keyEvent";
+const char* const SIGNAL_KEY_EVENT_GENERATED =       "keyEventGenerated";
+const char* const SIGNAL_EVENT_PROCESSING_FINISHED = "eventProcessingFinished";
 const char* const SIGNAL_TOUCHED =                   "touched";
-const char* const SIGNAL_WHEEL_EVENT =               "wheel-event";
-const char* const SIGNAL_CONTEXT_LOST =              "context-lost";
-const char* const SIGNAL_CONTEXT_REGAINED =          "context-regained";
-const char* const SIGNAL_SCENE_CREATED =             "scene-created";
+const char* const SIGNAL_TOUCH =                     "touch";
+const char* const SIGNAL_WHEEL_EVENT =               "wheelEvent";
+const char* const SIGNAL_CONTEXT_LOST =              "contextLost";
+const char* const SIGNAL_CONTEXT_REGAINED =          "contextRegained";
+const char* const SIGNAL_SCENE_CREATED =             "sceneCreated";
 
 TypeRegistration mType( typeid(Dali::Stage), typeid(Dali::BaseHandle), NULL );
 
@@ -79,19 +82,23 @@ SignalConnectorType signalConnector4( mType, SIGNAL_WHEEL_EVENT,               &
 SignalConnectorType signalConnector5( mType, SIGNAL_CONTEXT_LOST,              &Stage::DoConnectSignal );
 SignalConnectorType signalConnector6( mType, SIGNAL_CONTEXT_REGAINED,          &Stage::DoConnectSignal );
 SignalConnectorType signalConnector7( mType, SIGNAL_SCENE_CREATED,             &Stage::DoConnectSignal );
+SignalConnectorType signalConnector8( mType, SIGNAL_KEY_EVENT_GENERATED,       &Stage::DoConnectSignal );
+SignalConnectorType signalConnector9( mType, SIGNAL_TOUCH,                     &Stage::DoConnectSignal );
 
 } // unnamed namespace
 
 StagePtr Stage::New( AnimationPlaylist& playlist,
                      PropertyNotificationManager& propertyNotificationManager,
                      SceneGraph::UpdateManager& updateManager,
-                     NotificationManager& notificationManager )
+                     NotificationManager& notificationManager,
+                     Integration::RenderController& renderController )
 {
-  return StagePtr( new Stage( playlist, propertyNotificationManager, updateManager, notificationManager ) );
+  return StagePtr( new Stage( playlist, propertyNotificationManager, updateManager, notificationManager, renderController ) );
 }
 
-void Stage::Initialize()
+void Stage::Initialize( bool renderToFbo )
 {
+  mRenderToFbo = renderToFbo;
   mObjectRegistry = ObjectRegistry::New();
 
   // Create the ordered list of layers
@@ -100,6 +107,10 @@ void Stage::Initialize()
   // The stage owns the default layer
   mRootLayer = Layer::NewRoot( *mLayerList, mUpdateManager, false/*not system-level*/ );
   mRootLayer->SetName("RootLayer");
+  // The root layer needs to have a fixed resize policy (as opposed to the default USE_NATURAL_SIZE).
+  // This stops actors parented to the stage having their relayout requests propagating
+  // up to the root layer, and down through other children unnecessarily.
+  mRootLayer->SetResizePolicy( ResizePolicy::FIXED, Dimension::ALL_DIMENSIONS );
 
   // Create the default camera actor first; this is needed by the RenderTaskList
   CreateDefaultCameraActor();
@@ -189,25 +200,56 @@ void Stage::Remove( Actor& actor )
   mRootLayer->Remove( actor );
 }
 
-void Stage::SetSize(float width, float height)
+void Stage::SurfaceResized( float width, float height )
 {
-  // Internally we want to report the actual size of the stage.
-  mSize.width  = width;
-  mSize.height = height;
+  if( ( fabs( width - mSurfaceSize.width ) > Math::MACHINE_EPSILON_1000 ) || ( fabs( height - mSurfaceSize.height ) > Math::MACHINE_EPSILON_1000 ) )
+  {
+    mSurfaceSize.width = width;
+    mSurfaceSize.height = height;
 
-  // Calculates the aspect ratio, near and far clipping planes, field of view and camera Z position.
-  mDefaultCamera->SetPerspectiveProjection( mSize );
+    // Internally we want to report the actual size of the stage.
+    mSize.width = width;
+    mSize.height = height - mTopMargin;
 
-  // The depth of the stage gets set to the maximun of these values
-  mRootLayer->SetSize( mSize );
+    // Calculates the aspect ratio, near and far clipping planes, field of view and camera Z position.
+    mDefaultCamera->SetPerspectiveProjection( mSurfaceSize );
 
-  // Repeat for SystemOverlay actors
-  if( mSystemOverlay )
-  {
-    mSystemOverlay->GetImpl()->SetSize( mSize.width, mSize.height );
-  }
+    // Adjust the camera height to allow for top-margin
+    SetDefaultCameraPosition();
+
+    mRootLayer->SetSize( mSize.width, mSize.height );
+
+    // Repeat for SystemOverlay actors
+    if( mSystemOverlay )
+    {
+      // Note that the SystemOverlay has a separate camera, configured for the full surface-size.
+      // This will remain unaffected by changes in SetDefaultCameraPosition()
+      mSystemOverlay->GetImpl()->SetSize( width, height );
+    }
+
+    SetDefaultSurfaceRectMessage( mUpdateManager, Rect<int>( 0, 0, width, height ) );
+
+    // if single render task to screen then set its viewport parameters
+    if( 1 == mRenderTaskList->GetTaskCount() )
+    {
+      Dali::RenderTask defaultRenderTask = mRenderTaskList->GetTask( 0u );
+
+      if(!defaultRenderTask.GetTargetFrameBuffer())
+      {
+        defaultRenderTask.SetViewport( Viewport(0, 0, width, height) );
+      }
+    }
+
+    if( mRenderToFbo )
+    {
+      Dali::FrameBuffer frameBuffer = Dali::FrameBuffer::New( width, height, Dali::FrameBuffer::Attachment::NONE );
+      Dali::Texture texture = Dali::Texture::New( Dali::TextureType::TEXTURE_2D, Dali::Pixel::RGB888, width, height );
+      frameBuffer.AttachColorTexture( texture );
 
-  SetDefaultSurfaceRectMessage( mUpdateManager, Rect<int>( 0, 0, width, height ) );
+      Dali::RenderTask defaultRenderTask = mRenderTaskList->GetTask( 0u );
+      defaultRenderTask.SetFrameBuffer( frameBuffer );
+    }
+  }
 }
 
 Vector2 Stage::GetSize() const
@@ -215,6 +257,23 @@ Vector2 Stage::GetSize() const
   return mSize;
 }
 
+void Stage::SetTopMargin( unsigned int margin )
+{
+  if (mTopMargin == margin)
+  {
+    return;
+  }
+  mTopMargin = margin;
+
+  mSize.width = mSurfaceSize.width;
+  mSize.height = mSurfaceSize.height - mTopMargin;
+
+  // Adjust the camera height to allow for top-margin
+  SetDefaultCameraPosition();
+
+  mRootLayer->SetSize( mSize.width, mSize.height );
+}
+
 RenderTaskList& Stage::GetRenderTaskList() const
 {
   return *mRenderTaskList;
@@ -230,6 +289,11 @@ void Stage::CreateDefaultCameraActor()
   Add(*(mDefaultCamera.Get()));
 }
 
+void Stage::SetDefaultCameraPosition()
+{
+  mDefaultCamera->SetY( -(static_cast<float>(mTopMargin) * 0.5f) );
+}
+
 Actor& Stage::GetDefaultRootActor()
 {
   return *mRootLayer;
@@ -403,7 +467,7 @@ void Stage::SetStereoBase( float stereoBase )
 {
   if( ! Equals( mStereoBase, stereoBase ) )
   {
-    DALI_LOG_INFO( Debug::Filter::gActor, Debug::Concise, "old( %.2f) new(%.2f)", mStereoBase, stereoBase );
+    DALI_LOG_INFO( Debug::Filter::gActor, Debug::Concise, "old( %.2f) new(%.2f)\n", mStereoBase, stereoBase );
     mStereoBase = stereoBase;
 
     switch( mViewMode  )
@@ -473,47 +537,6 @@ void Stage::SetDpi(Vector2 dpi)
   mDpi = dpi;
 }
 
-#ifdef DYNAMICS_SUPPORT
-
-DynamicsNotifier& Stage::GetDynamicsNotifier()
-{
-  return mDynamicsNotifier;
-}
-
-DynamicsWorldPtr Stage::InitializeDynamics(DynamicsWorldConfigPtr config)
-{
-  if( !mDynamicsFactory )
-  {
-    mDynamicsFactory = ThreadLocalStorage::Get().GetPlatformAbstraction().GetDynamicsFactory();
-  }
-
-  if( mDynamicsFactory && !mDynamicsWorld )
-  {
-    if( mDynamicsFactory->InitializeDynamics( *(config->GetSettings()) ) )
-    {
-      mDynamicsWorld = DynamicsWorld::New();
-      mDynamicsWorld->Initialize( *this, *mDynamicsFactory, config );
-    }
-  }
-  return mDynamicsWorld;
-}
-
-DynamicsWorldPtr Stage::GetDynamicsWorld()
-{
-  return mDynamicsWorld;
-}
-
-void Stage::TerminateDynamics()
-{
-  if( mDynamicsWorld )
-  {
-    mDynamicsWorld->Terminate(*this);
-    mDynamicsWorld = NULL;
-  }
-}
-
-#endif // DYNAMICS_SUPPORT
-
 void Stage::KeepRendering( float durationSeconds )
 {
   // Send message to keep rendering
@@ -523,12 +546,16 @@ void Stage::KeepRendering( float durationSeconds )
 bool Stage::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
 {
   bool connected( true );
-  Stage* stage = dynamic_cast<Stage*>(object);
+  Stage* stage = static_cast< Stage* >(object); // TypeRegistry guarantees that this is the correct type.
 
   if( 0 == strcmp( signalName.c_str(), SIGNAL_KEY_EVENT ) )
   {
     stage->KeyEventSignal().Connect( tracker, functor );
   }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_KEY_EVENT_GENERATED ) )
+  {
+    stage->KeyEventGeneratedSignal().Connect( tracker, functor );
+  }
   else if( 0 == strcmp( signalName.c_str(), SIGNAL_EVENT_PROCESSING_FINISHED ) )
   {
     stage->EventProcessingFinishedSignal().Connect( tracker, functor );
@@ -537,6 +564,10 @@ bool Stage::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tra
   {
     stage->TouchedSignal().Connect( tracker, functor );
   }
+  else if( 0 == strcmp( signalName.c_str(), SIGNAL_TOUCH ) )
+  {
+    stage->TouchSignal().Connect( tracker, functor );
+  }
   else if( 0 == strcmp( signalName.c_str(), SIGNAL_WHEEL_EVENT ) )
   {
     stage->WheelEventSignal().Connect( tracker, functor );
@@ -569,14 +600,22 @@ void Stage::EmitKeyEventSignal(const KeyEvent& event)
   mKeyEventSignal.Emit( event );
 }
 
+bool Stage::EmitKeyEventGeneratedSignal(const KeyEvent& event)
+{
+  // Emit the KeyEventGenerated signal when KeyEvent is generated
+
+  return mKeyEventGeneratedSignal.Emit( event );
+}
+
 void Stage::EmitEventProcessingFinishedSignal()
 {
    mEventProcessingFinishedSignal.Emit();
 }
 
-void Stage::EmitTouchedSignal( const TouchEvent& touch )
+void Stage::EmitTouchedSignal( const TouchEvent& touchEvent, const Dali::TouchData& touch )
 {
-  mTouchedSignal.Emit( touch );
+  mTouchedSignal.Emit( touchEvent );
+  mTouchSignal.Emit( touch );
 }
 
 void Stage::EmitWheelEventSignal(const WheelEvent& event)
@@ -596,6 +635,11 @@ Dali::Stage::KeyEventSignalType& Stage::KeyEventSignal()
   return mKeyEventSignal;
 }
 
+Dali::DevelStage::KeyEventGeneratedSignalType& Stage::KeyEventGeneratedSignal()
+{
+  return mKeyEventGeneratedSignal;
+}
+
 Dali::Stage::EventProcessingFinishedSignalType& Stage::EventProcessingFinishedSignal()
 {
   return mEventProcessingFinishedSignal;
@@ -603,9 +647,15 @@ Dali::Stage::EventProcessingFinishedSignalType& Stage::EventProcessingFinishedSi
 
 Dali::Stage::TouchedSignalType& Stage::TouchedSignal()
 {
+  DALI_LOG_WARNING( "Deprecated. Use TouchSignal() instead.\n" );
   return mTouchedSignal;
 }
 
+Dali::Stage::TouchSignalType& Stage::TouchSignal()
+{
+  return mTouchSignal;
+}
+
 Dali::Stage::WheelEventSignalType& Stage::WheelEventSignal()
 {
   return mWheelEventSignal;
@@ -636,22 +686,46 @@ void Stage::NotifyContextRegained()
   mContextRegainedSignal.Emit();
 }
 
+
+void Stage::RequestRebuildDepthTree()
+{
+  DALI_LOG_INFO(gLogFilter, Debug::General, "RequestRebuildDepthTree()\n");
+  mDepthTreeDirty = true;
+}
+
+void Stage::RebuildDepthTree()
+{
+  // If the depth tree needs rebuilding, do it in this frame only.
+  if( mDepthTreeDirty )
+  {
+    DALI_LOG_INFO(gLogFilter, Debug::Concise, "RebuildDepthTree() dirty:T\n");
+
+    ActorPtr actor( mRootLayer.Get() );
+    actor->RebuildDepthTree();
+    mDepthTreeDirty = false;
+  }
+}
+
+
 Stage::Stage( AnimationPlaylist& playlist,
               PropertyNotificationManager& propertyNotificationManager,
               SceneGraph::UpdateManager& updateManager,
-              NotificationManager& notificationManager )
+              NotificationManager& notificationManager,
+              Integration::RenderController& renderController )
 : mAnimationPlaylist( playlist ),
-  mPropertyNotificationManager(propertyNotificationManager),
-  mUpdateManager(updateManager),
-  mNotificationManager(notificationManager),
-  mSize(Vector2::ZERO),
-  mBackgroundColor(Dali::Stage::DEFAULT_BACKGROUND_COLOR),
+  mPropertyNotificationManager( propertyNotificationManager ),
+  mUpdateManager( updateManager ),
+  mNotificationManager( notificationManager ),
+  mRenderController( renderController ),
+  mSize( Vector2::ZERO ),
+  mBackgroundColor( Dali::Stage::DEFAULT_BACKGROUND_COLOR ),
   mViewMode( MONO ),
   mStereoBase( DEFAULT_STEREO_BASE ),
-#ifdef DYNAMICS_SUPPORT
-  mDynamicsFactory(NULL),
-#endif
-  mSystemOverlay(NULL)
+  mTopMargin( 0 ),
+  mSystemOverlay( NULL ),
+  mDepthTreeDirty( false ),
+  mForceNextUpdate( false ),
+  mRenderToFbo( false )
 {
 }
 
@@ -660,6 +734,11 @@ SceneGraph::UpdateManager& Stage::GetUpdateManager()
   return mUpdateManager;
 }
 
+Integration::RenderController& Stage::GetRenderController()
+{
+  return mRenderController;
+}
+
 unsigned int* Stage::ReserveMessageSlot( std::size_t size, bool updateScene )
 {
   return mUpdateManager.ReserveMessageSlot( size, updateScene );
@@ -670,6 +749,18 @@ BufferIndex Stage::GetEventBufferIndex() const
   return mUpdateManager.GetEventBufferIndex();
 }
 
+void Stage::ForceNextUpdate()
+{
+  mForceNextUpdate = true;
+}
+
+bool Stage::IsNextUpdateForced()
+{
+  bool nextUpdateForced = mForceNextUpdate;
+  mForceNextUpdate = false;
+  return nextUpdateForced;
+}
+
 Stage::~Stage()
 {
   delete mSystemOverlay;