dali/internal/render/common/render-manager.cpp

   1 /*
   2  * Copyright (c) 2023 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/render/common/render-manager.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <memory.h>
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/devel-api/threading/thread-pool.h>
  26 #include <dali/integration-api/core.h>
  27 #include <dali/internal/common/ordered-set.h>
  28
  29 #include <dali/internal/event/common/scene-impl.h>
  30
  31 #include <dali/internal/update/common/scene-graph-scene.h>
  32 #include <dali/internal/update/nodes/scene-graph-layer.h>
  33 #include <dali/internal/update/render-tasks/scene-graph-camera.h>
  34
  35 #include <dali/internal/common/owner-key-container.h>
  36
  37 #include <dali/internal/render/common/render-algorithms.h>
  38 #include <dali/internal/render/common/render-debug.h>
  39 #include <dali/internal/render/common/render-instruction.h>
  40 #include <dali/internal/render/common/render-tracker.h>
  41 #include <dali/internal/render/queue/render-queue.h>
  42 #include <dali/internal/render/renderers/pipeline-cache.h>
  43 #include <dali/internal/render/renderers/render-frame-buffer.h>
  44 #include <dali/internal/render/renderers/render-texture.h>
  45 #include <dali/internal/render/renderers/shader-cache.h>
  46 #include <dali/internal/render/renderers/uniform-buffer-manager.h>
  47 #include <dali/internal/render/renderers/uniform-buffer.h>
  48 #include <dali/internal/render/shaders/program-controller.h>
  49
  50 #include <memory>
  51
  52 namespace Dali
  53 {
  54 namespace Internal
  55 {
  56 namespace SceneGraph
  57 {
  58 #if defined(DEBUG_ENABLED)
  59 namespace
  60 {
  61 Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_RENDER_MANAGER");
  62 } // unnamed namespace
  63 #endif
  64
  65 namespace
  66 {
  67 // TODO : Cache clean logic have some problem now. Just block it until bug resolved
  68 //constexpr uint32_t CACHE_CLEAN_FRAME_COUNT = 600u; // 60fps * 10sec
  69
  70 inline Graphics::Rect2D RecalculateScissorArea(const Graphics::Rect2D& scissorArea, int orientation, const Rect<int32_t>& viewportRect)
  71 {
  72   Graphics::Rect2D newScissorArea;
  73
  74   if(orientation == 90)
  75   {
  76     newScissorArea.x      = viewportRect.height - (scissorArea.y + scissorArea.height);
  77     newScissorArea.y      = scissorArea.x;
  78     newScissorArea.width  = scissorArea.height;
  79     newScissorArea.height = scissorArea.width;
  80   }
  81   else if(orientation == 180)
  82   {
  83     newScissorArea.x      = viewportRect.width - (scissorArea.x + scissorArea.width);
  84     newScissorArea.y      = viewportRect.height - (scissorArea.y + scissorArea.height);
  85     newScissorArea.width  = scissorArea.width;
  86     newScissorArea.height = scissorArea.height;
  87   }
  88   else if(orientation == 270)
  89   {
  90     newScissorArea.x      = scissorArea.y;
  91     newScissorArea.y      = viewportRect.width - (scissorArea.x + scissorArea.width);
  92     newScissorArea.width  = scissorArea.height;
  93     newScissorArea.height = scissorArea.width;
  94   }
  95   else
  96   {
  97     newScissorArea.x      = scissorArea.x;
  98     newScissorArea.y      = scissorArea.y;
  99     newScissorArea.width  = scissorArea.width;
 100     newScissorArea.height = scissorArea.height;
 101   }
 102   return newScissorArea;
 103 }
 104
 105 inline Rect<int32_t> CalculateUpdateArea(RenderItem& item, BufferIndex renderBufferIndex, const Rect<int32_t>& viewportRect)
 106 {
 107   Vector4 updateArea;
 108   if(item.mNode && item.mNode->IsTextureUpdateAreaUsed() && item.mRenderer)
 109   {
 110     updateArea = item.mRenderer->GetTextureUpdateArea();
 111   }
 112   else
 113   {
 114     updateArea = item.mRenderer ? item.mRenderer->GetVisualTransformedUpdateArea(renderBufferIndex, item.mUpdateArea) : item.mUpdateArea;
 115   }
 116
 117   return RenderItem::CalculateViewportSpaceAABB(item.mModelViewMatrix, Vector3(updateArea.x, updateArea.y, 0.0f), Vector3(updateArea.z, updateArea.w, 0.0f), viewportRect.width, viewportRect.height);
 118 }
 119
 120 inline void AlignDamagedRect(Rect<int32_t>& rect)
 121 {
 122   const int left   = rect.x;
 123   const int top    = rect.y;
 124   const int right  = rect.x + rect.width;
 125   const int bottom = rect.y + rect.height;
 126   rect.x           = (left / 16) * 16;
 127   rect.y           = (top / 16) * 16;
 128   rect.width       = ((right + 16) / 16) * 16 - rect.x;
 129   rect.height      = ((bottom + 16) / 16) * 16 - rect.y;
 130 }
 131 } // namespace
 132
 133 /**
 134  * Structure to contain internal data
 135  */
 136 struct RenderManager::Impl
 137 {
 138   Impl(Graphics::Controller&               graphicsController,
 139        Integration::DepthBufferAvailable   depthBufferAvailableParam,
 140        Integration::StencilBufferAvailable stencilBufferAvailableParam,
 141        Integration::PartialUpdateAvailable partialUpdateAvailableParam)
 142   : graphicsController(graphicsController),
 143     renderAlgorithms(graphicsController),
 144     programController(graphicsController),
 145     shaderCache(graphicsController),
 146     depthBufferAvailable(depthBufferAvailableParam),
 147     stencilBufferAvailable(stencilBufferAvailableParam),
 148     partialUpdateAvailable(partialUpdateAvailableParam)
 149   {
 150     // Create thread pool with just one thread ( there may be a need to create more threads in the future ).
 151     threadPool = std::make_unique<Dali::ThreadPool>();
 152     threadPool->Initialize(1u);
 153
 154     uniformBufferManager = std::make_unique<Render::UniformBufferManager>(&graphicsController);
 155     pipelineCache        = std::make_unique<Render::PipelineCache>(graphicsController);
 156   }
 157
 158   ~Impl()
 159   {
 160     threadPool.reset(nullptr); // reset now to maintain correct destruction order
 161     rendererContainer.Clear(); // clear now before the pipeline cache is deleted
 162   }
 163
 164   void AddRenderTracker(Render::RenderTracker* renderTracker)
 165   {
 166     DALI_ASSERT_DEBUG(renderTracker != nullptr);
 167     mRenderTrackers.PushBack(renderTracker);
 168   }
 169
 170   void RemoveRenderTracker(Render::RenderTracker* renderTracker)
 171   {
 172     mRenderTrackers.EraseObject(renderTracker);
 173   }
 174
 175   void UpdateTrackers()
 176   {
 177     for(auto&& iter : mRenderTrackers)
 178     {
 179       iter->PollSyncObject();
 180     }
 181   }
 182
 183   // the order is important for destruction,
 184   Graphics::Controller&           graphicsController;
 185   RenderQueue                     renderQueue;      ///< A message queue for receiving messages from the update-thread.
 186   std::vector<SceneGraph::Scene*> sceneContainer;   ///< List of pointers to the scene graph objects of the scenes
 187   Render::RenderAlgorithms        renderAlgorithms; ///< The RenderAlgorithms object is used to action the renders required by a RenderInstruction
 188
 189   OrderedSet<Render::Sampler>         samplerContainer;      ///< List of owned samplers
 190   OrderedSet<Render::FrameBuffer>     frameBufferContainer;  ///< List of owned framebuffers
 191   OrderedSet<Render::VertexBuffer>    vertexBufferContainer; ///< List of owned vertex buffers
 192   OrderedSet<Render::Geometry>        geometryContainer;     ///< List of owned Geometries
 193   OwnerKeyContainer<Render::Renderer> rendererContainer;     ///< List of owned renderers
 194   OwnerKeyContainer<Render::Texture>  textureContainer;      ///< List of owned textures
 195
 196   OrderedSet<Render::RenderTracker> mRenderTrackers; ///< List of owned render trackers
 197
 198   OwnerKeyContainer<Render::Texture> textureDiscardQueue; ///< Discarded textures
 199
 200   ProgramController   programController; ///< Owner of the programs
 201   Render::ShaderCache shaderCache;       ///< The cache for the graphics shaders
 202
 203   std::unique_ptr<Render::UniformBufferManager> uniformBufferManager; ///< The uniform buffer manager
 204   std::unique_ptr<Render::PipelineCache>        pipelineCache;
 205
 206   Integration::DepthBufferAvailable   depthBufferAvailable;   ///< Whether the depth buffer is available
 207   Integration::StencilBufferAvailable stencilBufferAvailable; ///< Whether the stencil buffer is available
 208   Integration::PartialUpdateAvailable partialUpdateAvailable; ///< Whether the partial update is available
 209
 210   std::unique_ptr<Dali::ThreadPool> threadPool;        ///< The thread pool
 211   Vector<Render::TextureKey>        updatedTextures{}; ///< The updated texture list
 212
 213   uint32_t    frameCount{0u};                                                    ///< The current frame count
 214   BufferIndex renderBufferIndex{SceneGraphBuffers::INITIAL_UPDATE_BUFFER_INDEX}; ///< The index of the buffer to read from;
 215
 216   bool lastFrameWasRendered{false}; ///< Keeps track of the last frame being rendered due to having render instructions
 217   bool commandBufferSubmitted{false};
 218 };
 219
 220 RenderManager* RenderManager::New(Graphics::Controller&               graphicsController,
 221                                   Integration::DepthBufferAvailable   depthBufferAvailable,
 222                                   Integration::StencilBufferAvailable stencilBufferAvailable,
 223                                   Integration::PartialUpdateAvailable partialUpdateAvailable)
 224 {
 225   auto* manager  = new RenderManager;
 226   manager->mImpl = new Impl(graphicsController,
 227                             depthBufferAvailable,
 228                             stencilBufferAvailable,
 229                             partialUpdateAvailable);
 230   return manager;
 231 }
 232
 233 RenderManager::RenderManager()
 234 : mImpl(nullptr)
 235 {
 236 }
 237
 238 RenderManager::~RenderManager()
 239 {
 240   delete mImpl;
 241 }
 242
 243 RenderQueue& RenderManager::GetRenderQueue()
 244 {
 245   return mImpl->renderQueue;
 246 }
 247
 248 void RenderManager::SetShaderSaver(ShaderSaver& upstream)
 249 {
 250 }
 251
 252 void RenderManager::AddRenderer(const Render::RendererKey& renderer)
 253 {
 254   // Initialize the renderer as we are now in render thread
 255   renderer->Initialize(mImpl->graphicsController, mImpl->programController, mImpl->shaderCache, *(mImpl->uniformBufferManager.get()), *(mImpl->pipelineCache.get()));
 256
 257   mImpl->rendererContainer.PushBack(renderer);
 258 }
 259
 260 void RenderManager::RemoveRenderer(const Render::RendererKey& renderer)
 261 {
 262   mImpl->rendererContainer.EraseKey(renderer);
 263 }
 264
 265 void RenderManager::AddSampler(OwnerPointer<Render::Sampler>& sampler)
 266 {
 267   sampler->Initialize(mImpl->graphicsController);
 268   mImpl->samplerContainer.PushBack(sampler.Release());
 269 }
 270
 271 void RenderManager::RemoveSampler(Render::Sampler* sampler)
 272 {
 273   mImpl->samplerContainer.EraseObject(sampler);
 274 }
 275
 276 void RenderManager::AddTexture(const Render::TextureKey& textureKey)
 277 {
 278   DALI_ASSERT_DEBUG(textureKey && "Trying to add empty texture key");
 279
 280   textureKey->Initialize(mImpl->graphicsController, *this);
 281   mImpl->textureContainer.PushBack(textureKey);
 282   mImpl->updatedTextures.PushBack(textureKey);
 283 }
 284
 285 void RenderManager::RemoveTexture(const Render::TextureKey& textureKey)
 286 {
 287   DALI_ASSERT_DEBUG(textureKey && "Trying to remove empty texture key");
 288
 289   // Find the texture, use std::find so we can do the erase by iterator safely
 290   auto iter = std::find(mImpl->textureContainer.Begin(), mImpl->textureContainer.End(), textureKey);
 291
 292   if(iter != mImpl->textureContainer.End())
 293   {
 294     // Destroy texture.
 295     textureKey->Destroy();
 296
 297     // Transfer ownership to the discard queue, this keeps the object alive, until the render-thread has finished with it
 298     mImpl->textureDiscardQueue.PushBack(mImpl->textureContainer.Release(iter));
 299   }
 300 }
 301
 302 void RenderManager::UploadTexture(const Render::TextureKey& textureKey, PixelDataPtr pixelData, const Graphics::UploadParams& params)
 303 {
 304   DALI_ASSERT_DEBUG(textureKey && "Trying to upload to empty texture key");
 305   textureKey->Upload(pixelData, params);
 306
 307   mImpl->updatedTextures.PushBack(textureKey);
 308 }
 309
 310 void RenderManager::GenerateMipmaps(const Render::TextureKey& textureKey)
 311 {
 312   DALI_ASSERT_DEBUG(textureKey && "Trying to generate mipmaps on empty texture key");
 313   textureKey->GenerateMipmaps();
 314
 315   mImpl->updatedTextures.PushBack(textureKey);
 316 }
 317
 318 void RenderManager::SetTextureSize(const Render::TextureKey& textureKey, const Dali::ImageDimensions& size)
 319 {
 320   DALI_ASSERT_DEBUG(textureKey && "Trying to set size on empty texture key");
 321   textureKey->SetWidth(size.GetWidth());
 322   textureKey->SetHeight(size.GetHeight());
 323 }
 324
 325 void RenderManager::SetTextureFormat(const Render::TextureKey& textureKey, Dali::Pixel::Format pixelFormat)
 326 {
 327   DALI_ASSERT_DEBUG(textureKey && "Trying to set pixel format on empty texture key");
 328   textureKey->SetPixelFormat(pixelFormat);
 329 }
 330
 331 void RenderManager::SetTextureUpdated(const Render::TextureKey& textureKey)
 332 {
 333   DALI_ASSERT_DEBUG(textureKey && "Trying to set updated on empty texture key");
 334   textureKey->SetUpdated(true);
 335
 336   mImpl->updatedTextures.PushBack(textureKey);
 337 }
 338
 339 void RenderManager::SetFilterMode(Render::Sampler* sampler, uint32_t minFilterMode, uint32_t magFilterMode)
 340 {
 341   sampler->SetFilterMode(static_cast<Dali::FilterMode::Type>(minFilterMode),
 342                          static_cast<Dali::FilterMode::Type>(magFilterMode));
 343 }
 344
 345 void RenderManager::SetWrapMode(Render::Sampler* sampler, uint32_t rWrapMode, uint32_t sWrapMode, uint32_t tWrapMode)
 346 {
 347   sampler->SetWrapMode(static_cast<Dali::WrapMode::Type>(rWrapMode),
 348                        static_cast<Dali::WrapMode::Type>(sWrapMode),
 349                        static_cast<Dali::WrapMode::Type>(tWrapMode));
 350 }
 351
 352 void RenderManager::AddFrameBuffer(OwnerPointer<Render::FrameBuffer>& frameBuffer)
 353 {
 354   Render::FrameBuffer* frameBufferPtr = frameBuffer.Release();
 355   mImpl->frameBufferContainer.PushBack(frameBufferPtr);
 356   frameBufferPtr->Initialize(mImpl->graphicsController);
 357 }
 358
 359 void RenderManager::RemoveFrameBuffer(Render::FrameBuffer* frameBuffer)
 360 {
 361   DALI_ASSERT_DEBUG(nullptr != frameBuffer);
 362
 363   // Find the framebuffer, use OrderedSet.Find so we can safely do the erase
 364   auto iter = mImpl->frameBufferContainer.Find(frameBuffer);
 365
 366   if(iter != mImpl->frameBufferContainer.End())
 367   {
 368     frameBuffer->Destroy();
 369     mImpl->frameBufferContainer.Erase(iter); // frameBuffer found; now destroy it
 370   }
 371 }
 372
 373 void RenderManager::InitializeScene(SceneGraph::Scene* scene)
 374 {
 375   scene->Initialize(mImpl->graphicsController, mImpl->depthBufferAvailable, mImpl->stencilBufferAvailable);
 376   mImpl->sceneContainer.push_back(scene);
 377   mImpl->uniformBufferManager->RegisterScene(scene);
 378 }
 379
 380 void RenderManager::UninitializeScene(SceneGraph::Scene* scene)
 381 {
 382   mImpl->uniformBufferManager->UnregisterScene(scene);
 383   auto iter = std::find(mImpl->sceneContainer.begin(), mImpl->sceneContainer.end(), scene);
 384   if(iter != mImpl->sceneContainer.end())
 385   {
 386     mImpl->sceneContainer.erase(iter);
 387   }
 388 }
 389
 390 void RenderManager::SurfaceReplaced(SceneGraph::Scene* scene)
 391 {
 392   scene->Initialize(mImpl->graphicsController, mImpl->depthBufferAvailable, mImpl->stencilBufferAvailable);
 393 }
 394
 395 void RenderManager::AttachColorTextureToFrameBuffer(Render::FrameBuffer* frameBuffer, Render::Texture* texture, uint32_t mipmapLevel, uint32_t layer)
 396 {
 397   frameBuffer->AttachColorTexture(texture, mipmapLevel, layer);
 398 }
 399
 400 void RenderManager::AttachDepthTextureToFrameBuffer(Render::FrameBuffer* frameBuffer, Render::Texture* texture, uint32_t mipmapLevel)
 401 {
 402   frameBuffer->AttachDepthTexture(texture, mipmapLevel);
 403 }
 404
 405 void RenderManager::AttachDepthStencilTextureToFrameBuffer(Render::FrameBuffer* frameBuffer, Render::Texture* texture, uint32_t mipmapLevel)
 406 {
 407   frameBuffer->AttachDepthStencilTexture(texture, mipmapLevel);
 408 }
 409
 410 void RenderManager::SetMultiSamplingLevelToFrameBuffer(Render::FrameBuffer* frameBuffer, uint8_t multiSamplingLevel)
 411 {
 412   frameBuffer->SetMultiSamplingLevel(multiSamplingLevel);
 413 }
 414
 415 void RenderManager::AddVertexBuffer(OwnerPointer<Render::VertexBuffer>& vertexBuffer)
 416 {
 417   mImpl->vertexBufferContainer.PushBack(vertexBuffer.Release());
 418 }
 419
 420 void RenderManager::RemoveVertexBuffer(Render::VertexBuffer* vertexBuffer)
 421 {
 422   mImpl->vertexBufferContainer.EraseObject(vertexBuffer);
 423 }
 424
 425 void RenderManager::SetVertexBufferFormat(Render::VertexBuffer* vertexBuffer, OwnerPointer<Render::VertexBuffer::Format>& format)
 426 {
 427   vertexBuffer->SetFormat(format.Release());
 428 }
 429
 430 void RenderManager::SetVertexBufferData(Render::VertexBuffer* vertexBuffer, OwnerPointer<Vector<uint8_t>>& data, uint32_t size)
 431 {
 432   vertexBuffer->SetData(data.Release(), size);
 433 }
 434
 435 void RenderManager::SetVertexBufferUpdateCallback(Render::VertexBuffer* vertexBuffer, Dali::VertexBufferUpdateCallback* callback)
 436 {
 437   vertexBuffer->SetVertexBufferUpdateCallback(callback);
 438 }
 439
 440 void RenderManager::SetIndexBuffer(Render::Geometry* geometry, Render::Geometry::Uint16ContainerType& indices)
 441 {
 442   geometry->SetIndexBuffer(indices);
 443 }
 444
 445 void RenderManager::SetIndexBuffer(Render::Geometry* geometry, Render::Geometry::Uint32ContainerType& indices)
 446 {
 447   geometry->SetIndexBuffer(indices);
 448 }
 449
 450 void RenderManager::AddGeometry(OwnerPointer<Render::Geometry>& geometry)
 451 {
 452   mImpl->geometryContainer.PushBack(geometry.Release());
 453 }
 454
 455 void RenderManager::RemoveGeometry(Render::Geometry* geometry)
 456 {
 457   mImpl->geometryContainer.EraseObject(geometry);
 458 }
 459
 460 void RenderManager::AttachVertexBuffer(Render::Geometry* geometry, Render::VertexBuffer* vertexBuffer)
 461 {
 462   geometry->AddVertexBuffer(vertexBuffer);
 463 }
 464
 465 void RenderManager::RemoveVertexBuffer(Render::Geometry* geometry, Render::VertexBuffer* vertexBuffer)
 466 {
 467   geometry->RemoveVertexBuffer(vertexBuffer);
 468 }
 469
 470 void RenderManager::SetGeometryType(Render::Geometry* geometry, uint32_t geometryType)
 471 {
 472   geometry->SetType(Render::Geometry::Type(geometryType));
 473 }
 474
 475 void RenderManager::AddRenderTracker(Render::RenderTracker* renderTracker)
 476 {
 477   mImpl->AddRenderTracker(renderTracker);
 478 }
 479
 480 void RenderManager::RemoveRenderTracker(Render::RenderTracker* renderTracker)
 481 {
 482   mImpl->RemoveRenderTracker(renderTracker);
 483 }
 484
 485 void RenderManager::PreRender(Integration::RenderStatus& status, bool forceClear)
 486 {
 487   DALI_PRINT_RENDER_START(mImpl->renderBufferIndex);
 488   DALI_LOG_INFO(gLogFilter, Debug::Verbose, "\n\nNewFrame %d\n", mImpl->frameCount);
 489
 490   // Increment the frame count at the beginning of each frame
 491   ++mImpl->frameCount;
 492
 493   // Process messages queued during previous update
 494   mImpl->renderQueue.ProcessMessages(mImpl->renderBufferIndex);
 495
 496   uint32_t totalInstructionCount = 0u;
 497   for(auto& i : mImpl->sceneContainer)
 498   {
 499     totalInstructionCount += i->GetRenderInstructions().Count(mImpl->renderBufferIndex);
 500   }
 501
 502   const bool haveInstructions = totalInstructionCount > 0u;
 503
 504   DALI_LOG_INFO(gLogFilter, Debug::General, "Render: haveInstructions(%s) || mImpl->lastFrameWasRendered(%s) || forceClear(%s)\n", haveInstructions ? "true" : "false", mImpl->lastFrameWasRendered ? "true" : "false", forceClear ? "true" : "false");
 505
 506   // Only render if we have instructions to render, or the last frame was rendered (and therefore a clear is required).
 507   if(haveInstructions || mImpl->lastFrameWasRendered || forceClear)
 508   {
 509     DALI_LOG_INFO(gLogFilter, Debug::General, "Render: Processing\n");
 510
 511     // Upload the geometries
 512     for(auto&& geom : mImpl->geometryContainer)
 513     {
 514       geom->Upload(mImpl->graphicsController);
 515     }
 516   }
 517
 518   // Reset pipeline cache before rendering
 519   mImpl->pipelineCache->PreRender();
 520
 521   // Let we collect reference counts during CACHE_CLEAN_FRAME_COUNT frames.
 522   // TODO : Cache clean logic have some problem now. Just block it until bug resolved
 523   /*
 524   if(mImpl->frameCount % CACHE_CLEAN_FRAME_COUNT == 1)
 525   {
 526     mImpl->programController.ResetReferenceCount();
 527     mImpl->shaderCache.ResetReferenceCount();
 528   }
 529   */
 530
 531   mImpl->commandBufferSubmitted = false;
 532 }
 533
 534 void RenderManager::PreRender(Integration::Scene& scene, std::vector<Rect<int>>& damagedRects)
 535 {
 536   if(mImpl->partialUpdateAvailable != Integration::PartialUpdateAvailable::TRUE)
 537   {
 538     return;
 539   }
 540
 541   Internal::Scene&   sceneInternal = GetImplementation(scene);
 542   SceneGraph::Scene* sceneObject   = sceneInternal.GetSceneObject();
 543
 544   if(!sceneObject || sceneObject->IsRenderingSkipped())
 545   {
 546     // We don't need to calculate dirty rects
 547     return;
 548   }
 549
 550   class DamagedRectsCleaner
 551   {
 552   public:
 553     explicit DamagedRectsCleaner(std::vector<Rect<int>>& damagedRects, Rect<int>& surfaceRect)
 554     : mDamagedRects(damagedRects),
 555       mSurfaceRect(surfaceRect),
 556       mCleanOnReturn(true)
 557     {
 558     }
 559
 560     void SetCleanOnReturn(bool cleanOnReturn)
 561     {
 562       mCleanOnReturn = cleanOnReturn;
 563     }
 564
 565     ~DamagedRectsCleaner()
 566     {
 567       if(mCleanOnReturn)
 568       {
 569         mDamagedRects.clear();
 570         mDamagedRects.push_back(mSurfaceRect);
 571       }
 572     }
 573
 574   private:
 575     std::vector<Rect<int>>& mDamagedRects;
 576     Rect<int>               mSurfaceRect;
 577     bool                    mCleanOnReturn;
 578   };
 579
 580   Rect<int32_t> surfaceRect = sceneObject->GetSurfaceRect();
 581
 582   // Clean collected dirty/damaged rects on exit if 3d layer or 3d node or other conditions.
 583   DamagedRectsCleaner damagedRectCleaner(damagedRects, surfaceRect);
 584   bool                cleanDamagedRect = false;
 585
 586   Scene::ItemsDirtyRectsContainer& itemsDirtyRects = sceneObject->GetItemsDirtyRects();
 587
 588   if(!sceneObject->IsPartialUpdateEnabled())
 589   {
 590     // Clear all dirty rects
 591     // The rects will be added when partial updated is enabled again
 592     itemsDirtyRects.clear();
 593     return;
 594   }
 595
 596   // Mark previous dirty rects in the std::unordered_map.
 597   for(auto& dirtyRectPair : itemsDirtyRects)
 598   {
 599     dirtyRectPair.second.visited = false;
 600   }
 601
 602   uint32_t instructionCount = sceneObject->GetRenderInstructions().Count(mImpl->renderBufferIndex);
 603   for(uint32_t i = 0; i < instructionCount; ++i)
 604   {
 605     RenderInstruction& instruction = sceneObject->GetRenderInstructions().At(mImpl->renderBufferIndex, i);
 606
 607     if(instruction.mFrameBuffer)
 608     {
 609       cleanDamagedRect = true;
 610       continue; // TODO: reset, we don't deal with render tasks with framebuffers (for now)
 611     }
 612
 613     const Camera* camera = instruction.GetCamera();
 614     if(camera && camera->mType == Camera::DEFAULT_TYPE && camera->mTargetPosition == Camera::DEFAULT_TARGET_POSITION)
 615     {
 616       Vector3    position;
 617       Vector3    scale;
 618       Quaternion orientation;
 619       camera->GetWorldMatrix(mImpl->renderBufferIndex).GetTransformComponents(position, orientation, scale);
 620
 621       Vector3 orientationAxis;
 622       Radian  orientationAngle;
 623       orientation.ToAxisAngle(orientationAxis, orientationAngle);
 624
 625       if(position.x > Math::MACHINE_EPSILON_10000 ||
 626          position.y > Math::MACHINE_EPSILON_10000 ||
 627          orientationAxis != Vector3(0.0f, 1.0f, 0.0f) ||
 628          orientationAngle != ANGLE_180 ||
 629          scale != Vector3(1.0f, 1.0f, 1.0f))
 630       {
 631         cleanDamagedRect = true;
 632         continue;
 633       }
 634     }
 635     else
 636     {
 637       cleanDamagedRect = true;
 638       continue;
 639     }
 640
 641     Rect<int32_t> viewportRect;
 642     if(instruction.mIsViewportSet)
 643     {
 644       const int32_t y = (surfaceRect.height - instruction.mViewport.height) - instruction.mViewport.y;
 645       viewportRect.Set(instruction.mViewport.x, y, instruction.mViewport.width, instruction.mViewport.height);
 646       if(viewportRect.IsEmpty() || !viewportRect.IsValid())
 647       {
 648         cleanDamagedRect = true;
 649         continue; // just skip funny use cases for now, empty viewport means it is set somewhere else
 650       }
 651     }
 652     else
 653     {
 654       viewportRect = surfaceRect;
 655     }
 656
 657     const Matrix* viewMatrix       = instruction.GetViewMatrix(mImpl->renderBufferIndex);
 658     const Matrix* projectionMatrix = instruction.GetProjectionMatrix(mImpl->renderBufferIndex);
 659     if(viewMatrix && projectionMatrix)
 660     {
 661       const RenderListContainer::SizeType count = instruction.RenderListCount();
 662       for(RenderListContainer::SizeType index = 0u; index < count; ++index)
 663       {
 664         const RenderList* renderList = instruction.GetRenderList(index);
 665         if(renderList)
 666         {
 667           if(!renderList->IsEmpty())
 668           {
 669             const std::size_t listCount = renderList->Count();
 670             for(uint32_t listIndex = 0u; listIndex < listCount; ++listIndex)
 671             {
 672               RenderItem& item = renderList->GetItem(listIndex);
 673               // If the item does 3D transformation, make full update
 674               if(item.mUpdateArea == Vector4::ZERO)
 675               {
 676                 cleanDamagedRect = true;
 677
 678                 // Save the full rect in the damaged list. We need it when this item is removed
 679                 DirtyRectKey dirtyRectKey(item.mNode, item.mRenderer);
 680                 auto         dirtyRectPos = itemsDirtyRects.find(dirtyRectKey);
 681                 if(dirtyRectPos != itemsDirtyRects.end())
 682                 {
 683                   // Replace the rect
 684                   dirtyRectPos->second.visited = true;
 685                   dirtyRectPos->second.rect    = surfaceRect;
 686                 }
 687                 else
 688                 {
 689                   // Else, just insert the new dirtyrect
 690                   itemsDirtyRects.insert({dirtyRectKey, surfaceRect});
 691                 }
 692                 continue;
 693               }
 694
 695               Rect<int>    rect;
 696               DirtyRectKey dirtyRectKey(item.mNode, item.mRenderer);
 697               // If the item refers to updated node or renderer.
 698               if(item.mIsUpdated ||
 699                  (item.mNode &&
 700                   (item.mNode->Updated() || (item.mRenderer && item.mRenderer->Updated()))))
 701               {
 702                 item.mIsUpdated = false;
 703
 704                 rect = CalculateUpdateArea(item, mImpl->renderBufferIndex, viewportRect);
 705                 if(rect.IsValid() && rect.Intersect(viewportRect) && !rect.IsEmpty())
 706                 {
 707                   AlignDamagedRect(rect);
 708
 709                   // Found valid dirty rect.
 710                   auto dirtyRectPos = itemsDirtyRects.find(dirtyRectKey);
 711                   if(dirtyRectPos != itemsDirtyRects.end())
 712                   {
 713                     Rect<int> currentRect = rect;
 714
 715                     // Same item, merge it with the previous rect
 716                     rect.Merge(dirtyRectPos->second.rect);
 717
 718                     // Replace the rect as current
 719                     dirtyRectPos->second.visited = true;
 720                     dirtyRectPos->second.rect    = currentRect;
 721                   }
 722                   else
 723                   {
 724                     // Else, just insert the new dirtyrect
 725                     itemsDirtyRects.insert({dirtyRectKey, rect});
 726                   }
 727
 728                   damagedRects.push_back(rect);
 729                 }
 730               }
 731               else
 732               {
 733                 // 1. The item is not dirty, the node and renderer referenced by the item are still exist.
 734                 // 2. Mark the related dirty rects as visited so they will not be removed below.
 735                 auto dirtyRectPos = itemsDirtyRects.find(dirtyRectKey);
 736                 if(dirtyRectPos != itemsDirtyRects.end())
 737                 {
 738                   dirtyRectPos->second.visited = true;
 739                 }
 740                 else
 741                 {
 742                   // The item is not in the list for some reason. Add the current rect!
 743                   rect = CalculateUpdateArea(item, mImpl->renderBufferIndex, viewportRect);
 744                   if(rect.IsValid() && rect.Intersect(viewportRect) && !rect.IsEmpty())
 745                   {
 746                     AlignDamagedRect(rect);
 747
 748                     itemsDirtyRects.insert({dirtyRectKey, rect});
 749                   }
 750                   cleanDamagedRect = true; // And make full update at this frame
 751                 }
 752               }
 753             }
 754           }
 755         }
 756       }
 757     }
 758   }
 759
 760   // Check removed nodes or removed renderers dirty rects
 761   // Note, std::unordered_map end iterator is validate if we call erase.
 762   for(auto iter = itemsDirtyRects.cbegin(), iterEnd = itemsDirtyRects.cend(); iter != iterEnd;)
 763   {
 764     if(!iter->second.visited)
 765     {
 766       damagedRects.push_back(iter->second.rect);
 767       iter = itemsDirtyRects.erase(iter);
 768     }
 769     else
 770     {
 771       ++iter;
 772     }
 773   }
 774
 775   if(sceneObject->IsNeededFullUpdate())
 776   {
 777     cleanDamagedRect = true; // And make full update at this frame
 778   }
 779
 780   if(!cleanDamagedRect)
 781   {
 782     damagedRectCleaner.SetCleanOnReturn(false);
 783   }
 784 }
 785
 786 void RenderManager::RenderScene(Integration::RenderStatus& status, Integration::Scene& scene, bool renderToFbo)
 787 {
 788   SceneGraph::Scene* sceneObject = GetImplementation(scene).GetSceneObject();
 789   if(!sceneObject)
 790   {
 791     return;
 792   }
 793
 794   Rect<int> clippingRect = sceneObject->GetSurfaceRect();
 795   RenderScene(status, scene, renderToFbo, clippingRect);
 796 }
 797
 798 void RenderManager::RenderScene(Integration::RenderStatus& status, Integration::Scene& scene, bool renderToFbo, Rect<int>& clippingRect)
 799 {
 800   if(mImpl->partialUpdateAvailable == Integration::PartialUpdateAvailable::TRUE && !renderToFbo && clippingRect.IsEmpty())
 801   {
 802     // ClippingRect is empty. Skip rendering
 803     return;
 804   }
 805
 806   // Reset main algorithms command buffer
 807   mImpl->renderAlgorithms.ResetCommandBuffer();
 808
 809   auto mainCommandBuffer = mImpl->renderAlgorithms.GetMainCommandBuffer();
 810
 811   Internal::Scene&   sceneInternal = GetImplementation(scene);
 812   SceneGraph::Scene* sceneObject   = sceneInternal.GetSceneObject();
 813   if(!sceneObject)
 814   {
 815     return;
 816   }
 817
 818   uint32_t instructionCount = sceneObject->GetRenderInstructions().Count(mImpl->renderBufferIndex);
 819
 820   std::vector<Graphics::RenderTarget*> targetstoPresent;
 821
 822   Rect<int32_t> surfaceRect = sceneObject->GetSurfaceRect();
 823   if(clippingRect == surfaceRect)
 824   {
 825     // Full rendering case
 826     // Make clippingRect empty because we're doing full rendering now if the clippingRect is empty.
 827     // To reduce side effects, keep this logic now.
 828     clippingRect = Rect<int>();
 829   }
 830
 831   // Prefetch programs before we start rendering so reflection is
 832   // ready, and we can pull exact size of UBO needed (no need to resize during drawing)
 833   auto totalSizeCPU = 0u;
 834   auto totalSizeGPU = 0u;
 835
 836   for(uint32_t i = 0; i < instructionCount; ++i)
 837   {
 838     RenderInstruction& instruction = sceneObject->GetRenderInstructions().At(mImpl->renderBufferIndex, i);
 839
 840     if((instruction.mFrameBuffer != nullptr && renderToFbo) ||
 841        (instruction.mFrameBuffer == nullptr && !renderToFbo))
 842     {
 843       for(auto j = 0u; j < instruction.RenderListCount(); ++j)
 844       {
 845         const auto& renderList = instruction.GetRenderList(j);
 846         for(auto k = 0u; k < renderList->Count(); ++k)
 847         {
 848           auto& item = renderList->GetItem(k);
 849           if(item.mRenderer && item.mRenderer->NeedsProgram())
 850           {
 851             // Prepare and store used programs for further processing
 852             auto program = item.mRenderer->PrepareProgram(instruction);
 853             if(program)
 854             {
 855               auto memoryRequirements = program->GetUniformBlocksMemoryRequirements();
 856
 857               totalSizeCPU += memoryRequirements.totalCpuSizeRequired;
 858               totalSizeGPU += memoryRequirements.totalGpuSizeRequired;
 859             }
 860           }
 861         }
 862       }
 863     }
 864   }
 865
 866   DALI_LOG_INFO(gLogFilter, Debug::Verbose, "Render scene (%s), CPU:%d GPU:%d\n", renderToFbo ? "Offscreen" : "Onscreen", totalSizeCPU, totalSizeGPU);
 867
 868   auto& uboManager = mImpl->uniformBufferManager;
 869
 870   uboManager->SetCurrentSceneRenderInfo(sceneObject, renderToFbo);
 871   uboManager->Rollback(sceneObject, renderToFbo);
 872
 873   // Respec UBOs for this frame (orphan buffers or double buffer in the GPU)
 874   if(instructionCount)
 875   {
 876     uboManager->GetUniformBufferForScene(sceneObject, renderToFbo, true)->ReSpecify(totalSizeCPU);
 877     uboManager->GetUniformBufferForScene(sceneObject, renderToFbo, false)->ReSpecify(totalSizeGPU);
 878   }
 879
 880 #if defined(DEBUG_ENABLED)
 881   auto uniformBuffer1 = uboManager->GetUniformBufferForScene(sceneObject, renderToFbo, true);
 882   auto uniformBuffer2 = uboManager->GetUniformBufferForScene(sceneObject, renderToFbo, false);
 883   if(uniformBuffer1)
 884   {
 885     DALI_LOG_INFO(gLogFilter, Debug::Verbose, "CPU buffer: Offset(%d), Cap(%d)\n", uniformBuffer1->GetCurrentOffset(), uniformBuffer1->GetCurrentCapacity());
 886   }
 887   else
 888   {
 889     DALI_LOG_INFO(gLogFilter, Debug::Verbose, "CPU buffer: nil\n");
 890   }
 891   if(uniformBuffer2)
 892   {
 893     DALI_LOG_INFO(gLogFilter, Debug::Verbose, "GPU buffer: Offset(%d), Cap(%d)\n", uniformBuffer2->GetCurrentOffset(), uniformBuffer2->GetCurrentCapacity());
 894   }
 895   else
 896   {
 897     DALI_LOG_INFO(gLogFilter, Debug::Verbose, "GPU buffer: nil\n");
 898   }
 899 #endif
 900
 901   for(uint32_t i = 0; i < instructionCount; ++i)
 902   {
 903     RenderInstruction& instruction = sceneObject->GetRenderInstructions().At(mImpl->renderBufferIndex, i);
 904
 905     if((renderToFbo && !instruction.mFrameBuffer) || (!renderToFbo && instruction.mFrameBuffer))
 906     {
 907       continue; // skip
 908     }
 909
 910     // Mark that we will require a post-render step to be performed (includes swap-buffers).
 911     status.SetNeedsPostRender(true);
 912
 913     Rect<int32_t> viewportRect;
 914
 915     int32_t surfaceOrientation = sceneObject->GetSurfaceOrientation() + sceneObject->GetScreenOrientation();
 916     if(surfaceOrientation >= 360)
 917     {
 918       surfaceOrientation -= 360;
 919     }
 920
 921     // @todo Should these be part of scene?
 922     Integration::DepthBufferAvailable   depthBufferAvailable   = mImpl->depthBufferAvailable;
 923     Integration::StencilBufferAvailable stencilBufferAvailable = mImpl->stencilBufferAvailable;
 924
 925     Graphics::RenderTarget*           currentRenderTarget = nullptr;
 926     Graphics::RenderPass*             currentRenderPass   = nullptr;
 927     std::vector<Graphics::ClearValue> currentClearValues{};
 928
 929     if(instruction.mFrameBuffer)
 930     {
 931       // Ensure graphics framebuffer is created, bind attachments and create render passes
 932       // Only happens once per framebuffer. If the create fails, e.g. no attachments yet,
 933       // then don't render to this framebuffer.
 934       if(!instruction.mFrameBuffer->GetGraphicsObject())
 935       {
 936         const bool created = instruction.mFrameBuffer->CreateGraphicsObjects();
 937         if(!created)
 938         {
 939           continue;
 940         }
 941       }
 942
 943       auto& clearValues = instruction.mFrameBuffer->GetGraphicsRenderPassClearValues();
 944
 945       // Set the clear color for first color attachment
 946       if(instruction.mIsClearColorSet && !clearValues.empty())
 947       {
 948         clearValues[0].color = {
 949           instruction.mClearColor.r,
 950           instruction.mClearColor.g,
 951           instruction.mClearColor.b,
 952           instruction.mClearColor.a};
 953       }
 954
 955       currentClearValues = clearValues;
 956
 957       auto loadOp = instruction.mIsClearColorSet ? Graphics::AttachmentLoadOp::CLEAR : Graphics::AttachmentLoadOp::LOAD;
 958
 959       // offscreen buffer
 960       currentRenderTarget = instruction.mFrameBuffer->GetGraphicsRenderTarget();
 961       currentRenderPass   = instruction.mFrameBuffer->GetGraphicsRenderPass(loadOp, Graphics::AttachmentStoreOp::STORE);
 962     }
 963     else // no framebuffer
 964     {
 965       // surface
 966       auto& clearValues = sceneObject->GetGraphicsRenderPassClearValues();
 967
 968       if(instruction.mIsClearColorSet)
 969       {
 970         clearValues[0].color = {
 971           instruction.mClearColor.r,
 972           instruction.mClearColor.g,
 973           instruction.mClearColor.b,
 974           instruction.mClearColor.a};
 975       }
 976
 977       currentClearValues = clearValues;
 978
 979       // @todo SceneObject should already have the depth clear / stencil clear in the clearValues array.
 980       // if the window has a depth/stencil buffer.
 981       if((depthBufferAvailable == Integration::DepthBufferAvailable::TRUE ||
 982           stencilBufferAvailable == Integration::StencilBufferAvailable::TRUE) &&
 983          (currentClearValues.size() <= 1))
 984       {
 985         currentClearValues.emplace_back();
 986         currentClearValues.back().depthStencil.depth   = 0;
 987         currentClearValues.back().depthStencil.stencil = 0;
 988       }
 989
 990       auto loadOp = instruction.mIsClearColorSet ? Graphics::AttachmentLoadOp::CLEAR : Graphics::AttachmentLoadOp::LOAD;
 991
 992       currentRenderTarget = sceneObject->GetSurfaceRenderTarget();
 993       currentRenderPass   = sceneObject->GetGraphicsRenderPass(loadOp, Graphics::AttachmentStoreOp::STORE);
 994     }
 995
 996     targetstoPresent.emplace_back(currentRenderTarget);
 997
 998     // reset the program matrices for all programs once per frame
 999     // this ensures we will set view and projection matrix once per program per camera
1000     mImpl->programController.ResetProgramMatrices();
1001
1002     if(!instruction.mIgnoreRenderToFbo && (instruction.mFrameBuffer != nullptr))
1003     {
1004       // Offscreen buffer rendering
1005       if(instruction.mIsViewportSet)
1006       {
1007         // For Viewport the lower-left corner is (0,0)
1008         const int32_t y = (instruction.mFrameBuffer->GetHeight() - instruction.mViewport.height) - instruction.mViewport.y;
1009         viewportRect.Set(instruction.mViewport.x, y, instruction.mViewport.width, instruction.mViewport.height);
1010       }
1011       else
1012       {
1013         viewportRect.Set(0, 0, instruction.mFrameBuffer->GetWidth(), instruction.mFrameBuffer->GetHeight());
1014       }
1015       surfaceOrientation = 0;
1016     }
1017     else // No Offscreen frame buffer rendering
1018     {
1019       // Check whether a viewport is specified, otherwise the full surface size is used
1020       if(instruction.mIsViewportSet)
1021       {
1022         // For Viewport the lower-left corner is (0,0)
1023         const int32_t y = (surfaceRect.height - instruction.mViewport.height) - instruction.mViewport.y;
1024         viewportRect.Set(instruction.mViewport.x, y, instruction.mViewport.width, instruction.mViewport.height);
1025       }
1026       else
1027       {
1028         viewportRect = surfaceRect;
1029       }
1030     }
1031
1032     // Set surface orientation
1033     // @todo Inform graphics impl by another route.
1034     // was: mImpl->currentContext->SetSurfaceOrientation(surfaceOrientation);
1035
1036     /*** Clear region of framebuffer or surface before drawing ***/
1037     bool clearFullFrameRect = (surfaceRect == viewportRect);
1038     if(instruction.mFrameBuffer != nullptr)
1039     {
1040       Viewport frameRect(0, 0, instruction.mFrameBuffer->GetWidth(), instruction.mFrameBuffer->GetHeight());
1041       clearFullFrameRect = (frameRect == viewportRect);
1042     }
1043
1044     if(!clippingRect.IsEmpty())
1045     {
1046       if(!clippingRect.Intersect(viewportRect))
1047       {
1048         DALI_LOG_ERROR("Invalid clipping rect %d %d %d %d\n", clippingRect.x, clippingRect.y, clippingRect.width, clippingRect.height);
1049         clippingRect = Rect<int>();
1050       }
1051       clearFullFrameRect = false;
1052     }
1053
1054     Graphics::Rect2D scissorArea{viewportRect.x, viewportRect.y, uint32_t(viewportRect.width), uint32_t(viewportRect.height)};
1055     if(instruction.mIsClearColorSet)
1056     {
1057       if(!clearFullFrameRect)
1058       {
1059         if(!clippingRect.IsEmpty())
1060         {
1061           scissorArea = {clippingRect.x, clippingRect.y, uint32_t(clippingRect.width), uint32_t(clippingRect.height)};
1062         }
1063       }
1064     }
1065
1066     // Scissor's value should be set based on the default system coordinates.
1067     // When the surface is rotated, the input values already were set with the rotated angle.
1068     // So, re-calculation is needed.
1069     scissorArea = RecalculateScissorArea(scissorArea, surfaceOrientation, surfaceRect);
1070
1071     // Begin render pass
1072     mainCommandBuffer->BeginRenderPass(
1073       currentRenderPass,
1074       currentRenderTarget,
1075       scissorArea,
1076       currentClearValues);
1077
1078     mainCommandBuffer->SetViewport({float(viewportRect.x),
1079                                     float(viewportRect.y),
1080                                     float(viewportRect.width),
1081                                     float(viewportRect.height)});
1082
1083     mImpl->renderAlgorithms.ProcessRenderInstruction(
1084       instruction,
1085       mImpl->renderBufferIndex,
1086       depthBufferAvailable,
1087       stencilBufferAvailable,
1088       viewportRect,
1089       clippingRect,
1090       surfaceOrientation,
1091       Uint16Pair(surfaceRect.width, surfaceRect.height));
1092
1093     Graphics::SyncObject* syncObject{nullptr};
1094     // If the render instruction has an associated render tracker (owned separately)
1095     // and framebuffer, create a one shot sync object, and use it to determine when
1096     // the render pass has finished executing on GPU.
1097     if(instruction.mRenderTracker && instruction.mFrameBuffer)
1098     {
1099       syncObject                 = instruction.mRenderTracker->CreateSyncObject(mImpl->graphicsController);
1100       instruction.mRenderTracker = nullptr;
1101     }
1102     mainCommandBuffer->EndRenderPass(syncObject);
1103   }
1104
1105   // Flush UBOs
1106   mImpl->uniformBufferManager->Flush(sceneObject, renderToFbo);
1107
1108   mImpl->renderAlgorithms.SubmitCommandBuffer();
1109   mImpl->commandBufferSubmitted = true;
1110
1111   std::sort(targetstoPresent.begin(), targetstoPresent.end());
1112
1113   Graphics::RenderTarget* rt = nullptr;
1114   for(auto& target : targetstoPresent)
1115   {
1116     if(target != rt)
1117     {
1118       mImpl->graphicsController.PresentRenderTarget(target);
1119       rt = target;
1120     }
1121   }
1122 }
1123
1124 void RenderManager::PostRender()
1125 {
1126   if(!mImpl->commandBufferSubmitted)
1127   {
1128     // Rendering is skipped but there may be pending tasks. Flush them.
1129     Graphics::SubmitInfo submitInfo;
1130     submitInfo.cmdBuffer.clear(); // Only flush
1131     submitInfo.flags = 0 | Graphics::SubmitFlagBits::FLUSH;
1132     mImpl->graphicsController.SubmitCommandBuffers(submitInfo);
1133
1134     mImpl->commandBufferSubmitted = true;
1135   }
1136
1137   // Notify RenderGeometries that rendering has finished
1138   for(auto&& iter : mImpl->geometryContainer)
1139   {
1140     iter->OnRenderFinished();
1141   }
1142
1143   // Notify updated RenderTexture that rendering has finished
1144   for(auto&& iter : mImpl->updatedTextures)
1145   {
1146     iter->OnRenderFinished();
1147   }
1148   mImpl->updatedTextures.Clear();
1149
1150   // Remove discarded textures after OnRenderFinished called
1151   mImpl->textureDiscardQueue.Clear();
1152
1153   mImpl->UpdateTrackers();
1154
1155   uint32_t count = 0u;
1156   for(auto& scene : mImpl->sceneContainer)
1157   {
1158     count += scene->GetRenderInstructions().Count(mImpl->renderBufferIndex);
1159   }
1160
1161   // Remove unused shader and programs during CACHE_CLEAN_FRAME_COUNT frames.
1162   // TODO : Cache clean logic have some problem now. Just block it until bug resolved
1163   /*
1164   if(mImpl->frameCount % CACHE_CLEAN_FRAME_COUNT == 0)
1165   {
1166     mImpl->programController.ClearUnusedCache();
1167     mImpl->shaderCache.ClearUnusedCache();
1168   }
1169   */
1170
1171   const bool haveInstructions = count > 0u;
1172
1173   // If this frame was rendered due to instructions existing, we mark this so we know to clear the next frame.
1174   mImpl->lastFrameWasRendered = haveInstructions;
1175
1176   /**
1177    * The rendering has finished; swap to the next buffer.
1178    * Ideally the update has just finished using this buffer; otherwise the render thread
1179    * should block until the update has finished.
1180    */
1181   mImpl->renderBufferIndex = (0 != mImpl->renderBufferIndex) ? 0 : 1;
1182
1183   DALI_PRINT_RENDER_END();
1184 }
1185
1186 } // namespace SceneGraph
1187
1188 } // namespace Internal
1189
1190 } // namespace Dali