dali/internal/graphics/gles-impl/egl-graphics-controller.cpp

   1 /*
   2  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 // CLASS HEADER
  18 #include <dali/internal/graphics/gles-impl/egl-graphics-controller.h>
  19
  20 // INTERNAL INCLUDES
  21 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
  22 #include <dali/integration-api/debug.h>
  23 #include <dali/integration-api/gl-abstraction.h>
  24 #include <dali/integration-api/gl-defines.h>
  25 #include <dali/integration-api/graphics-sync-abstraction.h>
  26 #include <dali/internal/graphics/gles-impl/egl-sync-object.h>
  27 #include <dali/internal/graphics/gles-impl/gles-graphics-command-buffer.h>
  28 #include <dali/internal/graphics/gles-impl/gles-graphics-pipeline.h>
  29 #include <dali/internal/graphics/gles-impl/gles-graphics-program.h>
  30 #include <dali/internal/graphics/gles-impl/gles-graphics-render-pass.h>
  31 #include <dali/internal/graphics/gles-impl/gles-graphics-render-target.h>
  32 #include <dali/internal/graphics/gles-impl/gles-graphics-shader.h>
  33 #include <dali/internal/graphics/gles-impl/gles-graphics-texture.h>
  34 #include <dali/internal/graphics/gles-impl/gles-graphics-types.h>
  35 #include <dali/internal/graphics/gles-impl/gles-sync-object.h>
  36 #include <dali/internal/graphics/gles-impl/gles3-graphics-memory.h>
  37 #include <dali/internal/graphics/gles/egl-sync-implementation.h>
  38 #include <dali/public-api/common/dali-common.h>
  39
  40 #include <dali/internal/graphics/gles/egl-graphics.h>
  41
  42 #include <any>
  43
  44 // Uncomment the following define to turn on frame dumping
  45 //#define ENABLE_COMMAND_BUFFER_FRAME_DUMP 1
  46 #include <dali/internal/graphics/gles-impl/egl-graphics-controller-debug.h>
  47 DUMP_FRAME_INIT();
  48
  49 namespace Dali::Graphics
  50 {
  51 namespace
  52 {
  53 /**
  54  * @brief Custom deleter for all Graphics objects created
  55  * with use of the Controller.
  56  *
  57  * When Graphics object dies the unique pointer (Graphics::UniquePtr)
  58  * doesn't destroy it directly but passes the ownership back
  59  * to the Controller. The GLESDeleter is responsible for passing
  60  * the object to the discard queue (by calling Resource::DiscardResource()).
  61  */
  62 template<typename T>
  63 struct GLESDeleter
  64 {
  65   GLESDeleter() = default;
  66
  67   void operator()(T* object)
  68   {
  69     // Discard resource (add it to discard queue)
  70     object->DiscardResource();
  71   }
  72 };
  73
  74 /**
  75  * @brief Helper function allocating graphics object
  76  *
  77  * @param[in] info Create info structure
  78  * @param[in] controller Controller object
  79  * @param[out] out Unique pointer to the return object
  80  */
  81 template<class GLESType, class GfxCreateInfo, class T>
  82 auto NewObject(const GfxCreateInfo& info, EglGraphicsController& controller, T&& oldObject)
  83 {
  84   // Use allocator
  85   using Type = typename T::element_type;
  86   using UPtr = Graphics::UniquePtr<Type>;
  87   if(info.allocationCallbacks)
  88   {
  89     auto* memory = info.allocationCallbacks->allocCallback(
  90       sizeof(GLESType),
  91       0,
  92       info.allocationCallbacks->userData);
  93     return UPtr(new(memory) GLESType(info, controller), GLESDeleter<GLESType>());
  94   }
  95   else // Use standard allocator
  96   {
  97     return UPtr(new GLESType(info, controller), GLESDeleter<GLESType>());
  98   }
  99 }
 100
 101 template<class T0, class T1>
 102 T0* CastObject(T1* apiObject)
 103 {
 104   return static_cast<T0*>(apiObject);
 105 }
 106
 107 // Maximum size of texture upload buffer.
 108 const uint32_t TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB = 1;
 109
 110 } // namespace
 111
 112 EglGraphicsController::EglGraphicsController()
 113 : mTextureDependencyChecker(*this),
 114   mSyncPool(*this)
 115 {
 116 }
 117
 118 EglGraphicsController::~EglGraphicsController()
 119 {
 120   while(!mPresentationCommandBuffers.empty())
 121   {
 122     auto presentCommandBuffer = const_cast<GLES::CommandBuffer*>(mPresentationCommandBuffers.front());
 123     delete presentCommandBuffer;
 124     mPresentationCommandBuffers.pop();
 125   }
 126 }
 127
 128 void EglGraphicsController::InitializeGLES(Integration::GlAbstraction& glAbstraction)
 129 {
 130   DALI_LOG_RELEASE_INFO("Initializing New Graphics Controller #1\n");
 131   mGlAbstraction  = &glAbstraction;
 132   mContext        = std::make_unique<GLES::Context>(*this);
 133   mCurrentContext = mContext.get();
 134 }
 135
 136 void EglGraphicsController::Initialize(Integration::GraphicsSyncAbstraction&    syncImplementation,
 137                                        Integration::GlContextHelperAbstraction& glContextHelperAbstraction,
 138                                        Internal::Adaptor::GraphicsInterface&    graphicsInterface)
 139 {
 140   DALI_LOG_RELEASE_INFO("Initializing New Graphics Controller #2\n");
 141   auto* syncImplPtr = static_cast<Internal::Adaptor::EglSyncImplementation*>(&syncImplementation);
 142
 143   mEglSyncImplementation      = syncImplPtr;
 144   mGlContextHelperAbstraction = &glContextHelperAbstraction;
 145   mGraphics                   = &graphicsInterface;
 146 }
 147
 148 void EglGraphicsController::SubmitCommandBuffers(const SubmitInfo& submitInfo)
 149 {
 150   for(auto& cmdbuf : submitInfo.cmdBuffer)
 151   {
 152     // Push command buffers
 153     mCommandQueue.push(static_cast<GLES::CommandBuffer*>(cmdbuf));
 154   }
 155
 156   // If flush bit set, flush all pending tasks
 157   if(submitInfo.flags & (0 | SubmitFlagBits::FLUSH))
 158   {
 159     Flush();
 160   }
 161 }
 162
 163 void EglGraphicsController::PresentRenderTarget(RenderTarget* renderTarget)
 164 {
 165   GLES::CommandBuffer* presentCommandBuffer{nullptr};
 166   if(mPresentationCommandBuffers.empty())
 167   {
 168     CommandBufferCreateInfo info;
 169     info.SetLevel(CommandBufferLevel::PRIMARY);
 170     info.fixedCapacity   = 1; // only one command
 171     presentCommandBuffer = new GLES::CommandBuffer(info, *this);
 172   }
 173   else
 174   {
 175     presentCommandBuffer = const_cast<GLES::CommandBuffer*>(mPresentationCommandBuffers.front());
 176     presentCommandBuffer->Reset();
 177     mPresentationCommandBuffers.pop();
 178   }
 179   presentCommandBuffer->PresentRenderTarget(static_cast<GLES::RenderTarget*>(renderTarget));
 180   SubmitInfo submitInfo;
 181   submitInfo.cmdBuffer = {presentCommandBuffer};
 182   submitInfo.flags     = 0 | SubmitFlagBits::FLUSH;
 183   SubmitCommandBuffers(submitInfo);
 184 }
 185
 186 void EglGraphicsController::ResolvePresentRenderTarget(GLES::RenderTarget* renderTarget)
 187 {
 188   mCurrentContext->InvalidateDepthStencilBuffers();
 189
 190   auto* rt = static_cast<GLES::RenderTarget*>(renderTarget);
 191   if(rt->GetCreateInfo().surface)
 192   {
 193     auto* surfaceInterface = reinterpret_cast<Dali::RenderSurfaceInterface*>(rt->GetCreateInfo().surface);
 194     surfaceInterface->MakeContextCurrent();
 195     surfaceInterface->PostRender();
 196   }
 197 }
 198
 199 void EglGraphicsController::PostRender()
 200 {
 201   mTextureDependencyChecker.Reset();
 202   mSyncPool.AgeSyncObjects();
 203 }
 204
 205 Integration::GlAbstraction& EglGraphicsController::GetGlAbstraction()
 206 {
 207   DALI_ASSERT_DEBUG(mGlAbstraction && "Graphics controller not initialized");
 208   return *mGlAbstraction;
 209 }
 210
 211 Integration::GlContextHelperAbstraction& EglGraphicsController::GetGlContextHelperAbstraction()
 212 {
 213   DALI_ASSERT_DEBUG(mGlContextHelperAbstraction && "Graphics controller not initialized");
 214   return *mGlContextHelperAbstraction;
 215 }
 216
 217 Internal::Adaptor::EglSyncImplementation& EglGraphicsController::GetEglSyncImplementation()
 218 {
 219   DALI_ASSERT_DEBUG(mEglSyncImplementation && "Sync implementation not initialized");
 220   return *mEglSyncImplementation;
 221 }
 222
 223 Graphics::UniquePtr<CommandBuffer> EglGraphicsController::CreateCommandBuffer(
 224   const CommandBufferCreateInfo&       commandBufferCreateInfo,
 225   Graphics::UniquePtr<CommandBuffer>&& oldCommandBuffer)
 226 {
 227   return NewObject<GLES::CommandBuffer>(commandBufferCreateInfo, *this, std::move(oldCommandBuffer));
 228 }
 229
 230 Graphics::UniquePtr<RenderPass> EglGraphicsController::CreateRenderPass(const RenderPassCreateInfo& renderPassCreateInfo, Graphics::UniquePtr<RenderPass>&& oldRenderPass)
 231 {
 232   return NewObject<GLES::RenderPass>(renderPassCreateInfo, *this, std::move(oldRenderPass));
 233 }
 234
 235 Graphics::UniquePtr<Texture>
 236 EglGraphicsController::CreateTexture(const TextureCreateInfo& textureCreateInfo, Graphics::UniquePtr<Texture>&& oldTexture)
 237 {
 238   return NewObject<GLES::Texture>(textureCreateInfo, *this, std::move(oldTexture));
 239 }
 240
 241 Graphics::UniquePtr<Buffer> EglGraphicsController::CreateBuffer(
 242   const BufferCreateInfo& bufferCreateInfo, Graphics::UniquePtr<Buffer>&& oldBuffer)
 243 {
 244   return NewObject<GLES::Buffer>(bufferCreateInfo, *this, std::move(oldBuffer));
 245 }
 246
 247 Graphics::UniquePtr<Framebuffer> EglGraphicsController::CreateFramebuffer(
 248   const FramebufferCreateInfo& framebufferCreateInfo, Graphics::UniquePtr<Framebuffer>&& oldFramebuffer)
 249 {
 250   return NewObject<GLES::Framebuffer>(framebufferCreateInfo, *this, std::move(oldFramebuffer));
 251 }
 252
 253 Graphics::UniquePtr<Pipeline> EglGraphicsController::CreatePipeline(
 254   const PipelineCreateInfo& pipelineCreateInfo, Graphics::UniquePtr<Graphics::Pipeline>&& oldPipeline)
 255 {
 256   // Create pipeline cache if needed
 257   if(!mPipelineCache)
 258   {
 259     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 260   }
 261
 262   return mPipelineCache->GetPipeline(pipelineCreateInfo, std::move(oldPipeline));
 263 }
 264
 265 Graphics::UniquePtr<Program> EglGraphicsController::CreateProgram(
 266   const ProgramCreateInfo& programCreateInfo, UniquePtr<Program>&& oldProgram)
 267 {
 268   // Create program cache if needed
 269   if(!mPipelineCache)
 270   {
 271     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 272   }
 273
 274   return mPipelineCache->GetProgram(programCreateInfo, std::move(oldProgram));
 275 }
 276
 277 Graphics::UniquePtr<Shader> EglGraphicsController::CreateShader(const ShaderCreateInfo& shaderCreateInfo, Graphics::UniquePtr<Shader>&& oldShader)
 278 {
 279   return NewObject<GLES::Shader>(shaderCreateInfo, *this, std::move(oldShader));
 280 }
 281
 282 Graphics::UniquePtr<Sampler> EglGraphicsController::CreateSampler(const SamplerCreateInfo& samplerCreateInfo, Graphics::UniquePtr<Sampler>&& oldSampler)
 283 {
 284   return NewObject<GLES::Sampler>(samplerCreateInfo, *this, std::move(oldSampler));
 285 }
 286
 287 Graphics::UniquePtr<RenderTarget> EglGraphicsController::CreateRenderTarget(const RenderTargetCreateInfo& renderTargetCreateInfo, Graphics::UniquePtr<RenderTarget>&& oldRenderTarget)
 288 {
 289   return NewObject<GLES::RenderTarget>(renderTargetCreateInfo, *this, std::move(oldRenderTarget));
 290 }
 291
 292 Graphics::UniquePtr<SyncObject> EglGraphicsController::CreateSyncObject(const SyncObjectCreateInfo& syncObjectCreateInfo,
 293                                                                         UniquePtr<SyncObject>&&     oldSyncObject)
 294 {
 295   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 296   {
 297     return NewObject<EGL::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 298   }
 299   else
 300   {
 301     return NewObject<GLES::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 302   }
 303 }
 304
 305 const Graphics::Reflection& EglGraphicsController::GetProgramReflection(const Graphics::Program& program)
 306 {
 307   return static_cast<const Graphics::GLES::Program*>(&program)->GetReflection();
 308 }
 309
 310 void EglGraphicsController::CreateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 311 {
 312   std::unique_ptr<GLES::Context> context = std::make_unique<GLES::Context>(*this);
 313   mSurfaceContexts.push_back(std::move(std::make_pair(surface, std::move(context))));
 314 }
 315
 316 void EglGraphicsController::DeleteSurfaceContext(Dali::RenderSurfaceInterface* surface)
 317 {
 318   mSurfaceContexts.erase(std::remove_if(
 319                            mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) { return surface == iter.first; }),
 320                          mSurfaceContexts.end());
 321 }
 322
 323 void EglGraphicsController::ActivateResourceContext()
 324 {
 325   mCurrentContext = mContext.get();
 326   mCurrentContext->GlContextCreated();
 327
 328   if(!mSharedContext)
 329   {
 330     auto eglGraphics = dynamic_cast<Dali::Internal::Adaptor::EglGraphics*>(mGraphics);
 331     if(eglGraphics)
 332     {
 333       mSharedContext = eglGraphics->GetEglImplementation().GetContext();
 334     }
 335   }
 336 }
 337
 338 void EglGraphicsController::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 339 {
 340   if(surface && mGraphics->IsResourceContextSupported())
 341   {
 342     auto iter = std::find_if(mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) {
 343       return (iter.first == surface);
 344     });
 345
 346     if(iter != mSurfaceContexts.end())
 347     {
 348       mCurrentContext = iter->second.get();
 349       mCurrentContext->GlContextCreated();
 350     }
 351   }
 352 }
 353
 354 void EglGraphicsController::AddTexture(GLES::Texture& texture)
 355 {
 356   // Assuming we are on the correct context
 357   mCreateTextureQueue.push(&texture);
 358 }
 359
 360 void EglGraphicsController::AddBuffer(GLES::Buffer& buffer)
 361 {
 362   // Assuming we are on the correct context
 363   mCreateBufferQueue.push(&buffer);
 364 }
 365
 366 void EglGraphicsController::AddFramebuffer(GLES::Framebuffer& framebuffer)
 367 {
 368   // Assuming we are on the correct context
 369   mCreateFramebufferQueue.push(&framebuffer);
 370 }
 371
 372 void EglGraphicsController::ProcessDiscardQueues()
 373 {
 374   // Process textures
 375   ProcessDiscardQueue<GLES::Texture>(mDiscardTextureQueue);
 376
 377   // Process buffers
 378   ProcessDiscardQueue<GLES::Buffer>(mDiscardBufferQueue);
 379
 380   // Process Framebuffers
 381   ProcessDiscardQueue<GLES::Framebuffer>(mDiscardFramebufferQueue);
 382
 383   // Process RenderPass
 384   ProcessDiscardQueue<GLES::RenderPass>(mDiscardRenderPassQueue);
 385
 386   // Process RenderTarget
 387   ProcessDiscardQueue<GLES::RenderTarget>(mDiscardRenderTargetQueue);
 388
 389   // Process pipelines
 390   ProcessDiscardQueue(mDiscardPipelineQueue);
 391
 392   // Process programs
 393   ProcessDiscardQueue<GLES::Program>(mDiscardProgramQueue);
 394
 395   // Process shaders
 396   ProcessDiscardQueue<GLES::Shader>(mDiscardShaderQueue);
 397
 398   // Process samplers
 399   ProcessDiscardQueue<GLES::Sampler>(mDiscardSamplerQueue);
 400
 401   // Process command buffers
 402   ProcessDiscardQueue<GLES::CommandBuffer>(mDiscardCommandBufferQueue);
 403 }
 404
 405 void EglGraphicsController::ProcessCreateQueues()
 406 {
 407   // Process textures
 408   ProcessCreateQueue(mCreateTextureQueue);
 409
 410   // Process buffers
 411   ProcessCreateQueue(mCreateBufferQueue);
 412
 413   // Process framebuffers
 414   ProcessCreateQueue(mCreateFramebufferQueue);
 415 }
 416
 417 void EglGraphicsController::ProcessCommandBuffer(const GLES::CommandBuffer& commandBuffer)
 418 {
 419   auto       count    = 0u;
 420   const auto commands = commandBuffer.GetCommands(count);
 421   for(auto i = 0u; i < count; ++i)
 422   {
 423     auto& cmd = commands[i];
 424     // process command
 425     switch(cmd.type)
 426     {
 427       case GLES::CommandType::FLUSH:
 428       {
 429         // Nothing to do here
 430         break;
 431       }
 432       case GLES::CommandType::BIND_TEXTURES:
 433       {
 434         mCurrentContext->BindTextures(cmd.bindTextures.textureBindings.Ptr(), cmd.bindTextures.textureBindingsCount);
 435         break;
 436       }
 437       case GLES::CommandType::BIND_VERTEX_BUFFERS:
 438       {
 439         auto bindings = cmd.bindVertexBuffers.vertexBufferBindings.Ptr();
 440         mCurrentContext->BindVertexBuffers(bindings, cmd.bindVertexBuffers.vertexBufferBindingsCount);
 441         break;
 442       }
 443       case GLES::CommandType::BIND_UNIFORM_BUFFER:
 444       {
 445         auto& bindings = cmd.bindUniformBuffers;
 446         mCurrentContext->BindUniformBuffers(bindings.uniformBufferBindingsCount ? bindings.uniformBufferBindings.Ptr() : nullptr, bindings.uniformBufferBindingsCount, bindings.standaloneUniformsBufferBinding);
 447         break;
 448       }
 449       case GLES::CommandType::BIND_INDEX_BUFFER:
 450       {
 451         mCurrentContext->BindIndexBuffer(cmd.bindIndexBuffer);
 452         break;
 453       }
 454       case GLES::CommandType::BIND_SAMPLERS:
 455       {
 456         break;
 457       }
 458       case GLES::CommandType::BIND_PIPELINE:
 459       {
 460         auto pipeline = static_cast<const GLES::Pipeline*>(cmd.bindPipeline.pipeline);
 461         mCurrentContext->BindPipeline(pipeline);
 462         break;
 463       }
 464       case GLES::CommandType::DRAW:
 465       {
 466         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 467         break;
 468       }
 469       case GLES::CommandType::DRAW_INDEXED:
 470       {
 471         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 472         break;
 473       }
 474       case GLES::CommandType::DRAW_INDEXED_INDIRECT:
 475       {
 476         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 477         break;
 478       }
 479       case GLES::CommandType::SET_SCISSOR: // @todo Consider correcting for orientation here?
 480       {
 481         mGlAbstraction->Scissor(cmd.scissor.region.x, cmd.scissor.region.y, cmd.scissor.region.width, cmd.scissor.region.height);
 482         break;
 483       }
 484       case GLES::CommandType::SET_SCISSOR_TEST:
 485       {
 486         mCurrentContext->SetScissorTestEnabled(cmd.scissorTest.enable);
 487         break;
 488       }
 489       case GLES::CommandType::SET_VIEWPORT: // @todo Consider correcting for orientation here?
 490       {
 491         mGlAbstraction->Viewport(cmd.viewport.region.x, cmd.viewport.region.y, cmd.viewport.region.width, cmd.viewport.region.height);
 492         break;
 493       }
 494
 495       case GLES::CommandType::SET_COLOR_MASK:
 496       {
 497         mCurrentContext->ColorMask(cmd.colorMask.enabled);
 498         break;
 499       }
 500       case GLES::CommandType::CLEAR_STENCIL_BUFFER:
 501       {
 502         mCurrentContext->ClearStencilBuffer();
 503         break;
 504       }
 505       case GLES::CommandType::CLEAR_DEPTH_BUFFER:
 506       {
 507         mCurrentContext->ClearDepthBuffer();
 508         break;
 509       }
 510
 511       case GLES::CommandType::SET_STENCIL_TEST_ENABLE:
 512       {
 513         mCurrentContext->SetStencilTestEnable(cmd.stencilTest.enabled);
 514         break;
 515       }
 516
 517       case GLES::CommandType::SET_STENCIL_FUNC:
 518       {
 519         mCurrentContext->StencilFunc(cmd.stencilFunc.compareOp,
 520                                      cmd.stencilFunc.reference,
 521                                      cmd.stencilFunc.compareMask);
 522         break;
 523       }
 524
 525       case GLES::CommandType::SET_STENCIL_WRITE_MASK:
 526       {
 527         mCurrentContext->StencilMask(cmd.stencilWriteMask.mask);
 528         break;
 529       }
 530
 531       case GLES::CommandType::SET_STENCIL_OP:
 532       {
 533         mCurrentContext->StencilOp(cmd.stencilOp.failOp,
 534                                    cmd.stencilOp.depthFailOp,
 535                                    cmd.stencilOp.passOp);
 536         break;
 537       }
 538
 539       case GLES::CommandType::SET_DEPTH_COMPARE_OP:
 540       {
 541         mCurrentContext->SetDepthCompareOp(cmd.depth.compareOp);
 542         break;
 543       }
 544       case GLES::CommandType::SET_DEPTH_TEST_ENABLE:
 545       {
 546         mCurrentContext->SetDepthTestEnable(cmd.depth.testEnabled);
 547         break;
 548       }
 549       case GLES::CommandType::SET_DEPTH_WRITE_ENABLE:
 550       {
 551         mCurrentContext->SetDepthWriteEnable(cmd.depth.writeEnabled);
 552         break;
 553       }
 554
 555       case GLES::CommandType::BEGIN_RENDERPASS:
 556       {
 557         auto&       renderTarget = *cmd.beginRenderPass.renderTarget;
 558         const auto& targetInfo   = renderTarget.GetCreateInfo();
 559
 560         if(targetInfo.surface)
 561         {
 562           // switch to surface context
 563           mGraphics->ActivateSurfaceContext(static_cast<Dali::RenderSurfaceInterface*>(targetInfo.surface));
 564         }
 565         else if(targetInfo.framebuffer)
 566         {
 567           // switch to resource context
 568           mGraphics->ActivateResourceContext();
 569         }
 570
 571         mCurrentContext->BeginRenderPass(cmd.beginRenderPass);
 572
 573         break;
 574       }
 575       case GLES::CommandType::END_RENDERPASS:
 576       {
 577         mCurrentContext->EndRenderPass(mTextureDependencyChecker);
 578
 579         // This sync object is to enable cpu to wait for rendering to complete, not gpu.
 580         // It's only needed for reading the framebuffer texture in the client.
 581         auto syncObject = const_cast<GLES::SyncObject*>(static_cast<const GLES::SyncObject*>(cmd.endRenderPass.syncObject));
 582         if(syncObject)
 583         {
 584           syncObject->InitializeResource();
 585         }
 586         break;
 587       }
 588       case GLES::CommandType::PRESENT_RENDER_TARGET:
 589       {
 590         ResolvePresentRenderTarget(cmd.presentRenderTarget.targetToPresent);
 591
 592         // The command buffer will be pushed into the queue of presentation command buffers
 593         // for further reuse.
 594         if(commandBuffer.GetCreateInfo().fixedCapacity == 1)
 595         {
 596           mPresentationCommandBuffers.push(&commandBuffer);
 597         }
 598         break;
 599       }
 600       case GLES::CommandType::EXECUTE_COMMAND_BUFFERS:
 601       {
 602         // Process secondary command buffers
 603         // todo: check validity of the secondaries
 604         //       there are operations which are illigal to be done
 605         //       within secondaries.
 606         auto buffers = cmd.executeCommandBuffers.buffers.Ptr();
 607         for(auto j = 0u; j < cmd.executeCommandBuffers.buffersCount; ++j)
 608         {
 609           auto& buf = buffers[j];
 610           ProcessCommandBuffer(*static_cast<const GLES::CommandBuffer*>(buf));
 611         }
 612         break;
 613       }
 614       case GLES::CommandType::DRAW_NATIVE:
 615       {
 616         auto* info = &cmd.drawNative.drawNativeInfo;
 617
 618         mCurrentContext->PrepareForNativeRendering();
 619
 620         if(info->glesNativeInfo.eglSharedContextStoragePointer)
 621         {
 622           auto* anyContext = reinterpret_cast<std::any*>(info->glesNativeInfo.eglSharedContextStoragePointer);
 623           *anyContext      = mSharedContext;
 624         }
 625
 626         CallbackBase::ExecuteReturn<bool>(*info->callback, info->userData);
 627
 628         mCurrentContext->RestoreFromNativeRendering();
 629         break;
 630       }
 631     }
 632   }
 633 }
 634
 635 void EglGraphicsController::ProcessCommandQueues()
 636 {
 637   DUMP_FRAME_START();
 638
 639   while(!mCommandQueue.empty())
 640   {
 641     auto cmdBuf = mCommandQueue.front();
 642     mCommandQueue.pop();
 643     DUMP_FRAME_COMMAND_BUFFER(cmdBuf);
 644     ProcessCommandBuffer(*cmdBuf);
 645   }
 646
 647   DUMP_FRAME_END();
 648 }
 649
 650 void EglGraphicsController::ProcessTextureUpdateQueue()
 651 {
 652   while(!mTextureUpdateRequests.empty())
 653   {
 654     TextureUpdateRequest& request = mTextureUpdateRequests.front();
 655
 656     auto& info   = request.first;
 657     auto& source = request.second;
 658
 659     if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 660     {
 661       // GPU memory must be already allocated.
 662
 663       // Check if it needs conversion
 664       auto*       texture            = static_cast<GLES::Texture*>(info.dstTexture);
 665       const auto& createInfo         = texture->GetCreateInfo();
 666       auto        srcFormat          = GLES::GLTextureFormatType(info.srcFormat).format;
 667       auto        srcType            = GLES::GLTextureFormatType(info.srcFormat).type;
 668       auto        destInternalFormat = GLES::GLTextureFormatType(createInfo.format).internalFormat;
 669       auto        destFormat         = GLES::GLTextureFormatType(createInfo.format).format;
 670
 671       // From render-texture.cpp
 672       const bool isSubImage(info.dstOffset2D.x != 0 || info.dstOffset2D.y != 0 ||
 673                             info.srcExtent2D.width != (createInfo.size.width / (1 << info.level)) ||
 674                             info.srcExtent2D.height != (createInfo.size.height / (1 << info.level)));
 675
 676       auto*                sourceBuffer = reinterpret_cast<uint8_t*>(source.memorySource.memory);
 677       auto                 sourceStride = info.srcStride;
 678       std::vector<uint8_t> tempBuffer;
 679
 680       if(mGlAbstraction->TextureRequiresConverting(srcFormat, destFormat, isSubImage))
 681       {
 682         // Convert RGB to RGBA if necessary.
 683         if(texture->TryConvertPixelData(source.memorySource.memory, info.srcFormat, createInfo.format, info.srcSize, info.srcStride, info.srcExtent2D.width, info.srcExtent2D.height, tempBuffer))
 684         {
 685           sourceBuffer = &tempBuffer[0];
 686           sourceStride = 0u; // Converted buffer compacted. make stride as 0.
 687           srcFormat    = destFormat;
 688           srcType      = GLES::GLTextureFormatType(createInfo.format).type;
 689         }
 690       }
 691
 692       // Calculate the maximum mipmap level for the texture
 693       texture->SetMaxMipMapLevel(std::max(texture->GetMaxMipMapLevel(), info.level));
 694
 695       GLenum bindTarget{GL_TEXTURE_2D};
 696       GLenum target{GL_TEXTURE_2D};
 697
 698       if(createInfo.textureType == Graphics::TextureType::TEXTURE_CUBEMAP)
 699       {
 700         bindTarget = GL_TEXTURE_CUBE_MAP;
 701         target     = GL_TEXTURE_CUBE_MAP_POSITIVE_X + info.layer;
 702       }
 703
 704       mGlAbstraction->PixelStorei(GL_UNPACK_ALIGNMENT, 1);
 705       mGlAbstraction->PixelStorei(GL_UNPACK_ROW_LENGTH, sourceStride);
 706
 707       mCurrentContext->BindTexture(bindTarget, texture->GetTextureTypeId(), texture->GetGLTexture());
 708
 709       if(!isSubImage)
 710       {
 711         if(!texture->IsCompressed())
 712         {
 713           mGlAbstraction->TexImage2D(target,
 714                                      info.level,
 715                                      destInternalFormat,
 716                                      info.srcExtent2D.width,
 717                                      info.srcExtent2D.height,
 718                                      0,
 719                                      srcFormat,
 720                                      srcType,
 721                                      sourceBuffer);
 722         }
 723         else
 724         {
 725           mGlAbstraction->CompressedTexImage2D(target,
 726                                                info.level,
 727                                                destInternalFormat,
 728                                                info.srcExtent2D.width,
 729                                                info.srcExtent2D.height,
 730                                                0,
 731                                                info.srcSize,
 732                                                sourceBuffer);
 733         }
 734       }
 735       else
 736       {
 737         if(!texture->IsCompressed())
 738         {
 739           mGlAbstraction->TexSubImage2D(target,
 740                                         info.level,
 741                                         info.dstOffset2D.x,
 742                                         info.dstOffset2D.y,
 743                                         info.srcExtent2D.width,
 744                                         info.srcExtent2D.height,
 745                                         srcFormat,
 746                                         srcType,
 747                                         sourceBuffer);
 748         }
 749         else
 750         {
 751           mGlAbstraction->CompressedTexSubImage2D(target,
 752                                                   info.level,
 753                                                   info.dstOffset2D.x,
 754                                                   info.dstOffset2D.y,
 755                                                   info.srcExtent2D.width,
 756                                                   info.srcExtent2D.height,
 757                                                   srcFormat,
 758                                                   info.srcSize,
 759                                                   sourceBuffer);
 760         }
 761       }
 762       // free staging memory
 763       free(source.memorySource.memory);
 764     }
 765     else
 766     {
 767       // TODO: other sources
 768     }
 769
 770     mTextureUpdateRequests.pop();
 771   }
 772 }
 773
 774 void EglGraphicsController::UpdateTextures(const std::vector<TextureUpdateInfo>&       updateInfoList,
 775                                            const std::vector<TextureUpdateSourceInfo>& sourceList)
 776 {
 777   // Store updates
 778   for(auto& info : updateInfoList)
 779   {
 780     mTextureUpdateRequests.push(std::make_pair(info, sourceList[info.srcReference]));
 781     auto& pair = mTextureUpdateRequests.back();
 782     switch(pair.second.sourceType)
 783     {
 784       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 785       {
 786         auto& info   = pair.first;
 787         auto& source = pair.second;
 788
 789         // allocate staging memory and copy the data
 790         // TODO: using PBO with GLES3, this is just naive
 791         // oldschool way
 792
 793         uint8_t* stagingBuffer = reinterpret_cast<uint8_t*>(malloc(info.srcSize));
 794
 795         uint8_t* srcMemory = &reinterpret_cast<uint8_t*>(source.memorySource.memory)[info.srcOffset];
 796
 797         std::copy(srcMemory, srcMemory + info.srcSize, stagingBuffer);
 798
 799         mTextureUploadTotalCPUMemoryUsed += info.srcSize;
 800
 801         // store staging buffer
 802         source.memorySource.memory = stagingBuffer;
 803         break;
 804       }
 805       case Graphics::TextureUpdateSourceInfo::Type::BUFFER:
 806       {
 807         // TODO, with PBO support
 808         break;
 809       }
 810       case Graphics::TextureUpdateSourceInfo::Type::TEXTURE:
 811       {
 812         // TODO texture 2 texture in-GPU copy
 813         break;
 814       }
 815     }
 816   }
 817
 818   // If upload buffer exceeds maximum size, flush.
 819   if(mTextureUploadTotalCPUMemoryUsed > TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB * 1024 * 1024)
 820   {
 821     Flush();
 822     mTextureUploadTotalCPUMemoryUsed = 0;
 823   }
 824 }
 825
 826 void EglGraphicsController::ProcessTextureMipmapGenerationQueue()
 827 {
 828   while(!mTextureMipmapGenerationRequests.empty())
 829   {
 830     auto* texture = mTextureMipmapGenerationRequests.front();
 831
 832     mCurrentContext->BindTexture(texture->GetGlTarget(), texture->GetTextureTypeId(), texture->GetGLTexture());
 833     mCurrentContext->GenerateMipmap(texture->GetGlTarget());
 834
 835     mTextureMipmapGenerationRequests.pop();
 836   }
 837 }
 838
 839 void EglGraphicsController::GenerateTextureMipmaps(const Graphics::Texture& texture)
 840 {
 841   mTextureMipmapGenerationRequests.push(static_cast<const GLES::Texture*>(&texture));
 842 }
 843
 844 Graphics::UniquePtr<Memory> EglGraphicsController::MapBufferRange(const MapBufferInfo& mapInfo)
 845 {
 846   mGraphics->ActivateResourceContext();
 847
 848   // Mapping buffer requires the object to be created NOW
 849   // Workaround - flush now, otherwise there will be given a staging buffer
 850   // in case when the buffer is not there yet
 851   ProcessCreateQueues();
 852
 853   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 854   {
 855     return Graphics::UniquePtr<Memory>(new GLES::Memory2(mapInfo, *this));
 856   }
 857   else
 858   {
 859     return Graphics::UniquePtr<Memory>(new GLES::Memory3(mapInfo, *this));
 860   }
 861 }
 862
 863 bool EglGraphicsController::GetProgramParameter(Graphics::Program& program, uint32_t parameterId, void* outData)
 864 {
 865   return static_cast<GLES::Program*>(&program)->GetImplementation()->GetParameter(parameterId, outData);
 866 }
 867
 868 GLES::PipelineCache& EglGraphicsController::GetPipelineCache() const
 869 {
 870   return *mPipelineCache;
 871 }
 872
 873 } // namespace Dali::Graphics