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