dali/internal/offscreen/common/offscreen-window-impl.cpp

   1 /*
   2  * Copyright (c) 2021 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/offscreen/common/offscreen-window-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/public-api/actors/layer.h>
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/integration-api/adaptor-framework/adaptor.h>
  26 #include <dali/integration-api/adaptor-framework/native-render-surface-factory.h>
  27 #include <dali/integration-api/adaptor-framework/native-render-surface.h>
  28 #include <dali/integration-api/adaptor-framework/trigger-event-factory.h>
  29 #include <dali/internal/offscreen/common/offscreen-application-impl.h>
  30
  31 namespace Dali
  32 {
  33 namespace Internal
  34 {
  35 OffscreenWindow* OffscreenWindow::New(uint16_t width, uint16_t height, Dali::Any surface, bool isTranslucent)
  36 {
  37   OffscreenWindow* window = new OffscreenWindow(width, height, surface, isTranslucent);
  38   return window;
  39 }
  40
  41 OffscreenWindow::OffscreenWindow(uint16_t width, uint16_t height, Dali::Any surface, bool isTranslucent)
  42 : mRenderNotification()
  43 {
  44   // Create surface
  45   mSurface = std::unique_ptr<RenderSurfaceInterface>(CreateNativeSurface(SurfaceSize(width, height), surface, isTranslucent));
  46 }
  47
  48 void OffscreenWindow::Initialize(bool isDefaultWindow)
  49 {
  50   if(isDefaultWindow)
  51   {
  52     Initialize();
  53     return;
  54   }
  55
  56   Dali::Integration::SceneHolder sceneHolderHandler = Dali::Integration::SceneHolder(this);
  57   Dali::Adaptor::Get().AddWindow(sceneHolderHandler);
  58
  59   Initialize();
  60 }
  61
  62 void OffscreenWindow::Initialize()
  63 {
  64   // Connect callback to be notified when the surface is rendered
  65   TriggerEventFactory triggerEventFactory;
  66
  67   mRenderNotification = std::unique_ptr<TriggerEventInterface>(triggerEventFactory.CreateTriggerEvent(MakeCallback(this, &OffscreenWindow::OnPostRender), TriggerEventInterface::KEEP_ALIVE_AFTER_TRIGGER));
  68
  69   NativeRenderSurface* surface = GetNativeRenderSurface();
  70
  71   if(!surface)
  72   {
  73     return;
  74   }
  75
  76   surface->SetRenderNotification(mRenderNotification.get());
  77 }
  78
  79 OffscreenWindow::~OffscreenWindow()
  80 {
  81   NativeRenderSurface* surface = GetNativeRenderSurface();
  82
  83   if(surface)
  84   {
  85     // To prevent notification triggering in NativeRenderSurface::PostRender while deleting SceneHolder
  86     surface->SetRenderNotification(nullptr);
  87   }
  88 }
  89
  90 uint32_t OffscreenWindow::GetLayerCount() const
  91 {
  92   return mScene.GetLayerCount();
  93 }
  94
  95 Dali::Layer OffscreenWindow::GetLayer(uint32_t depth) const
  96 {
  97   return mScene.GetLayer(depth);
  98 }
  99
 100 OffscreenWindow::WindowSize OffscreenWindow::GetSize() const
 101 {
 102   Size size = mScene.GetSize();
 103
 104   return OffscreenWindow::WindowSize(static_cast<uint16_t>(size.width), static_cast<uint16_t>(size.height));
 105 }
 106
 107 Dali::Any OffscreenWindow::GetNativeHandle() const
 108 {
 109   NativeRenderSurface* surface = GetNativeRenderSurface();
 110   DALI_ASSERT_ALWAYS(surface && "surface handle is empty");
 111
 112   return surface->GetNativeRenderable();
 113 }
 114
 115 NativeRenderSurface* OffscreenWindow::GetNativeRenderSurface() const
 116 {
 117   return dynamic_cast<NativeRenderSurface*>(mSurface.get());
 118 }
 119
 120 void OffscreenWindow::OnPostRender()
 121 {
 122   Dali::OffscreenWindow handle(this);
 123   mPostRenderSignal.Emit(handle, GetNativeHandle());
 124 }
 125
 126 OffscreenWindow::PostRenderSignalType& OffscreenWindow::PostRenderSignal()
 127 {
 128   return mPostRenderSignal;
 129 }
 130
 131 } // namespace Internal
 132
 133 } // namespace Dali