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/integration-api/debug.h>
  30 #include <dali/internal/offscreen/common/offscreen-application-impl.h>
  31
  32 namespace Dali
  33 {
  34 namespace Internal
  35 {
  36 OffscreenWindow* OffscreenWindow::New(uint16_t width, uint16_t height, Dali::Any surface, bool isTranslucent)
  37 {
  38   OffscreenWindow* window = new OffscreenWindow(width, height, surface, isTranslucent);
  39   return window;
  40 }
  41
  42 OffscreenWindow::OffscreenWindow(uint16_t width, uint16_t height, Dali::Any surface, bool isTranslucent)
  43 : mRenderNotification()
  44 {
  45   // Create surface
  46   mSurface = std::unique_ptr<RenderSurfaceInterface>(CreateNativeSurface(SurfaceSize(width, height), surface, isTranslucent));
  47 }
  48
  49 void OffscreenWindow::Initialize(bool isDefaultWindow)
  50 {
  51   if(isDefaultWindow)
  52   {
  53     return;
  54   }
  55
  56   Dali::Integration::SceneHolder sceneHolderHandler = Dali::Integration::SceneHolder(this);
  57   Dali::Adaptor::Get().AddWindow(sceneHolderHandler);
  58 }
  59
  60 OffscreenWindow::~OffscreenWindow()
  61 {
  62   NativeRenderSurface* surface = GetNativeRenderSurface();
  63
  64   if(surface)
  65   {
  66     // To prevent notification triggering in NativeRenderSurface::PostRender while deleting SceneHolder
  67     surface->SetRenderNotification(nullptr);
  68   }
  69 }
  70
  71 uint32_t OffscreenWindow::GetLayerCount() const
  72 {
  73   return mScene.GetLayerCount();
  74 }
  75
  76 Dali::Layer OffscreenWindow::GetLayer(uint32_t depth) const
  77 {
  78   return mScene.GetLayer(depth);
  79 }
  80
  81 OffscreenWindow::WindowSize OffscreenWindow::GetSize() const
  82 {
  83   Size size = mScene.GetSize();
  84
  85   return OffscreenWindow::WindowSize(static_cast<uint16_t>(size.width), static_cast<uint16_t>(size.height));
  86 }
  87
  88 Dali::Any OffscreenWindow::GetNativeHandle() const
  89 {
  90   NativeRenderSurface* surface = GetNativeRenderSurface();
  91   DALI_ASSERT_ALWAYS(surface && "surface handle is empty");
  92
  93   return surface->GetNativeRenderable();
  94 }
  95
  96 void OffscreenWindow::SetPostRenderCallback(CallbackBase* callback)
  97 {
  98   // Connect callback to be notified when the surface is rendered
  99   mPostRenderCallback = std::unique_ptr<CallbackBase>(callback);
 100   TriggerEventFactory triggerEventFactory;
 101
 102   if(!mRenderNotification)
 103   {
 104     mRenderNotification = std::unique_ptr<TriggerEventInterface>(triggerEventFactory.CreateTriggerEvent(MakeCallback(this, &OffscreenWindow::OnPostRender), TriggerEventInterface::KEEP_ALIVE_AFTER_TRIGGER));
 105   }
 106
 107   NativeRenderSurface* surface = GetNativeRenderSurface();
 108
 109   if(!surface)
 110   {
 111     DALI_LOG_ERROR("NativeRenderSurface is null.");
 112     return;
 113   }
 114
 115   surface->SetRenderNotification(mRenderNotification.get());
 116 }
 117
 118 NativeRenderSurface* OffscreenWindow::GetNativeRenderSurface() const
 119 {
 120   return dynamic_cast<NativeRenderSurface*>(mSurface.get());
 121 }
 122
 123 void OffscreenWindow::OnPostRender()
 124 {
 125   NativeRenderSurface* surface = GetNativeRenderSurface();
 126
 127   if(!surface)
 128   {
 129     DALI_LOG_ERROR("NativeRenderSurface is null.");
 130     return;
 131   }
 132
 133   Dali::OffscreenWindow handle(this);
 134   CallbackBase::Execute(*mPostRenderCallback, handle, surface->GetNativeRenderable());
 135
 136   surface->ReleaseLock();
 137 }
 138
 139 } // namespace Internal
 140
 141 } // namespace Dali