dali/internal/update/common/scene-graph-scene.cpp

   1 /*
   2  * Copyright (c) 2022 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 // CLASS HEADER
  18 #include <dali/internal/update/common/scene-graph-scene.h>
  19
  20 // INTERNAL INCLUDES
  21 #include <dali/integration-api/core-enumerations.h>
  22 #include <dali/internal/update/render-tasks/scene-graph-render-task-list.h>
  23
  24 namespace Dali
  25 {
  26 namespace Internal
  27 {
  28 namespace SceneGraph
  29 {
  30 Scene::Scene()
  31 : mFrameRenderedCallbacks(),
  32   mFramePresentedCallbacks(),
  33   mSkipRendering(false),
  34   mSurfaceRect(),
  35   mSurfaceOrientation(0),
  36   mSurfaceRectChanged(false),
  37   mRotationCompletedAcknowledgement(false)
  38 {
  39 }
  40
  41 Scene::~Scene()
  42 {
  43   mFrameRenderedCallbacks.clear();
  44   mFramePresentedCallbacks.clear();
  45 }
  46
  47 void Scene::Initialize(Graphics::Controller& graphicsController, Integration::DepthBufferAvailable depthBufferAvailable, Integration::StencilBufferAvailable stencilBufferAvailable)
  48 {
  49   // Create the render pass for the surface
  50   std::vector<Graphics::AttachmentDescription> attachmentDescriptions;
  51
  52   // Default behaviour for color attachments is to CLEAR and STORE
  53   mClearValues.clear();
  54   mClearValues.emplace_back();
  55
  56   // Assume single color attachment
  57   Graphics::AttachmentDescription desc{};
  58   desc.SetLoadOp(Graphics::AttachmentLoadOp::CLEAR);
  59   desc.SetStoreOp(Graphics::AttachmentStoreOp::STORE);
  60   attachmentDescriptions.push_back(desc);
  61
  62   if(depthBufferAvailable == Integration::DepthBufferAvailable::TRUE ||
  63      stencilBufferAvailable == Integration::StencilBufferAvailable::TRUE)
  64   {
  65     // Depth
  66     desc.SetLoadOp(Graphics::AttachmentLoadOp::CLEAR);
  67     desc.SetStoreOp(Graphics::AttachmentStoreOp::STORE);
  68
  69     // Stencil
  70     desc.SetStencilLoadOp(Graphics::AttachmentLoadOp::CLEAR);
  71     desc.SetStencilStoreOp(Graphics::AttachmentStoreOp::STORE);
  72     attachmentDescriptions.push_back(desc);
  73
  74     mClearValues.emplace_back();
  75     mClearValues.back().depthStencil.depth   = 0;
  76     mClearValues.back().depthStencil.stencil = 0;
  77   }
  78
  79   Graphics::RenderPassCreateInfo rpInfo{};
  80   rpInfo.SetAttachments(attachmentDescriptions);
  81
  82   // Add default render pass (loadOp = clear)
  83   mRenderPass = graphicsController.CreateRenderPass(rpInfo, nullptr); // Warning: Shallow ptr
  84
  85   desc.SetLoadOp(Graphics::AttachmentLoadOp::LOAD);
  86   attachmentDescriptions[0] = desc;
  87   if(attachmentDescriptions.size() > 1)
  88   {
  89     desc.SetLoadOp(Graphics::AttachmentLoadOp::LOAD);
  90     desc.SetStencilLoadOp(Graphics::AttachmentLoadOp::LOAD);
  91     attachmentDescriptions.back() = desc;
  92   }
  93
  94   mRenderPassNoClear = graphicsController.CreateRenderPass(rpInfo, nullptr); // Warning: Shallow ptr
  95 }
  96
  97 RenderInstructionContainer& Scene::GetRenderInstructions()
  98 {
  99   return mInstructions;
 100 }
 101
 102 void Scene::AddFrameRenderedCallback(CallbackBase* callback, int32_t frameId)
 103 {
 104   mFrameRenderedCallbacks.push_back(std::make_pair(std::unique_ptr<CallbackBase>(callback), frameId));
 105 }
 106
 107 void Scene::AddFramePresentedCallback(CallbackBase* callback, int32_t frameId)
 108 {
 109   mFramePresentedCallbacks.push_back(std::make_pair(std::unique_ptr<CallbackBase>(callback), frameId));
 110 }
 111
 112 void Scene::GetFrameRenderedCallback(Dali::Integration::Scene::FrameCallbackContainer& callbacks)
 113 {
 114   // Transfer owership of the callbacks
 115   for(auto&& iter : mFrameRenderedCallbacks)
 116   {
 117     callbacks.push_back(std::make_pair(std::move(iter.first), iter.second));
 118   }
 119
 120   mFrameRenderedCallbacks.clear();
 121 }
 122
 123 void Scene::GetFramePresentedCallback(Dali::Integration::Scene::FrameCallbackContainer& callbacks)
 124 {
 125   // Transfer owership of the callbacks
 126   for(auto&& iter : mFramePresentedCallbacks)
 127   {
 128     callbacks.push_back(std::make_pair(std::move(iter.first), iter.second));
 129   }
 130
 131   mFramePresentedCallbacks.clear();
 132 }
 133
 134 void Scene::SetSkipRendering(bool skip)
 135 {
 136   mSkipRendering = skip;
 137 }
 138
 139 bool Scene::IsRenderingSkipped() const
 140 {
 141   return mSkipRendering;
 142 }
 143
 144 void Scene::SetSurfaceRect(const Rect<int32_t>& rect)
 145 {
 146   mSurfaceRect        = rect;
 147   mSurfaceRectChanged = true;
 148
 149   if(mRoot)
 150   {
 151     mRoot->SetUpdated(true);
 152   }
 153 }
 154
 155 const Rect<int32_t>& Scene::GetSurfaceRect() const
 156 {
 157   return mSurfaceRect;
 158 }
 159
 160 void Scene::SetSurfaceOrientation(int32_t orientation)
 161 {
 162   mSurfaceOrientation = orientation;
 163
 164   if(mRoot)
 165   {
 166     mRoot->SetUpdated(true);
 167   }
 168 }
 169
 170 int32_t Scene::GetSurfaceOrientation() const
 171 {
 172   return mSurfaceOrientation;
 173 }
 174
 175 bool Scene::IsSurfaceRectChanged()
 176 {
 177   bool surfaceRectChanged = mSurfaceRectChanged;
 178   mSurfaceRectChanged     = false;
 179
 180   return surfaceRectChanged;
 181 }
 182
 183 void Scene::SetRotationCompletedAcknowledgement()
 184 {
 185   mRotationCompletedAcknowledgement = true;
 186 }
 187
 188 bool Scene::IsRotationCompletedAcknowledgementSet()
 189 {
 190   bool setRotationCompletedAcknowledgement = mRotationCompletedAcknowledgement;
 191   mRotationCompletedAcknowledgement        = false;
 192   return setRotationCompletedAcknowledgement;
 193 }
 194
 195 std::vector<DirtyRect>& Scene::GetItemsDirtyRects()
 196 {
 197   return mItemsDirtyRects;
 198 }
 199
 200 } // namespace SceneGraph
 201
 202 } // namespace Internal
 203
 204 } // namespace Dali