dali/internal/update/common/scene-graph-scene.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 // 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 {
  38 }
  39
  40 Scene::~Scene()
  41 {
  42   mFrameRenderedCallbacks.clear();
  43   mFramePresentedCallbacks.clear();
  44 }
  45
  46 void Scene::Initialize(Graphics::Controller& graphicsController, Integration::DepthBufferAvailable depthBufferAvailable, Integration::StencilBufferAvailable stencilBufferAvailable)
  47 {
  48   // Create the render pass for the surface
  49   std::vector<Graphics::AttachmentDescription> attachmentDescriptions;
  50
  51   // Default behaviour for color attachments is to CLEAR and STORE
  52   mClearValues.clear();
  53   mClearValues.emplace_back();
  54
  55   // Assume single color attachment
  56   Graphics::AttachmentDescription desc{};
  57   desc.SetLoadOp(Graphics::AttachmentLoadOp::CLEAR);
  58   desc.SetStoreOp(Graphics::AttachmentStoreOp::STORE);
  59   attachmentDescriptions.push_back(desc);
  60
  61   if(depthBufferAvailable == Integration::DepthBufferAvailable::TRUE ||
  62      stencilBufferAvailable == Integration::StencilBufferAvailable::TRUE)
  63   {
  64     // Depth
  65     desc.SetLoadOp(Graphics::AttachmentLoadOp::CLEAR);
  66     desc.SetStoreOp(Graphics::AttachmentStoreOp::STORE);
  67
  68     // Stencil
  69     desc.SetStencilLoadOp(Graphics::AttachmentLoadOp::CLEAR);
  70     desc.SetStencilStoreOp(Graphics::AttachmentStoreOp::STORE);
  71     attachmentDescriptions.push_back(desc);
  72
  73     mClearValues.emplace_back();
  74     mClearValues.back().depthStencil.depth   = 0;
  75     mClearValues.back().depthStencil.stencil = 0;
  76   }
  77
  78   Graphics::RenderPassCreateInfo rpInfo{};
  79   rpInfo.SetAttachments(attachmentDescriptions);
  80
  81   // Add default render pass (loadOp = clear)
  82   mRenderPass = graphicsController.CreateRenderPass(rpInfo, nullptr); // Warning: Shallow ptr
  83
  84   desc.SetLoadOp(Graphics::AttachmentLoadOp::LOAD);
  85   attachmentDescriptions[0] = desc;
  86   if(attachmentDescriptions.size() > 1)
  87   {
  88     desc.SetLoadOp(Graphics::AttachmentLoadOp::LOAD);
  89     desc.SetStencilLoadOp(Graphics::AttachmentLoadOp::LOAD);
  90     attachmentDescriptions.back() = desc;
  91   }
  92
  93   mRenderPassNoClear = graphicsController.CreateRenderPass(rpInfo, nullptr); // Warning: Shallow ptr
  94 }
  95
  96 RenderInstructionContainer& Scene::GetRenderInstructions()
  97 {
  98   return mInstructions;
  99 }
 100
 101 void Scene::AddFrameRenderedCallback(CallbackBase* callback, int32_t frameId)
 102 {
 103   mFrameRenderedCallbacks.push_back(std::make_pair(std::unique_ptr<CallbackBase>(callback), frameId));
 104 }
 105
 106 void Scene::AddFramePresentedCallback(CallbackBase* callback, int32_t frameId)
 107 {
 108   mFramePresentedCallbacks.push_back(std::make_pair(std::unique_ptr<CallbackBase>(callback), frameId));
 109 }
 110
 111 void Scene::GetFrameRenderedCallback(Dali::Integration::Scene::FrameCallbackContainer& callbacks)
 112 {
 113   // Transfer owership of the callbacks
 114   for(auto&& iter : mFrameRenderedCallbacks)
 115   {
 116     callbacks.push_back(std::make_pair(std::move(iter.first), iter.second));
 117   }
 118
 119   mFrameRenderedCallbacks.clear();
 120 }
 121
 122 void Scene::GetFramePresentedCallback(Dali::Integration::Scene::FrameCallbackContainer& callbacks)
 123 {
 124   // Transfer owership of the callbacks
 125   for(auto&& iter : mFramePresentedCallbacks)
 126   {
 127     callbacks.push_back(std::make_pair(std::move(iter.first), iter.second));
 128   }
 129
 130   mFramePresentedCallbacks.clear();
 131 }
 132
 133 void Scene::SetSkipRendering(bool skip)
 134 {
 135   mSkipRendering = skip;
 136 }
 137
 138 bool Scene::IsRenderingSkipped() const
 139 {
 140   return mSkipRendering;
 141 }
 142
 143 void Scene::SetSurfaceRect(const Rect<int32_t>& rect)
 144 {
 145   mSurfaceRect        = rect;
 146   mSurfaceRectChanged = true;
 147 }
 148
 149 const Rect<int32_t>& Scene::GetSurfaceRect() const
 150 {
 151   return mSurfaceRect;
 152 }
 153
 154 void Scene::SetSurfaceOrientation(int32_t orientation)
 155 {
 156   mSurfaceOrientation = orientation;
 157 }
 158
 159 int32_t Scene::GetSurfaceOrientation() const
 160 {
 161   return mSurfaceOrientation;
 162 }
 163
 164 bool Scene::IsSurfaceRectChanged()
 165 {
 166   bool surfaceRectChanged = mSurfaceRectChanged;
 167   mSurfaceRectChanged     = false;
 168
 169   return surfaceRectChanged;
 170 }
 171
 172 } // namespace SceneGraph
 173
 174 } // namespace Internal
 175
 176 } // namespace Dali