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