dali/internal/graphics/gles-impl/egl-graphics-controller.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 // CLASS HEADER
  18 #include <dali/internal/graphics/gles-impl/egl-graphics-controller.h>
  19
  20 // EXTERNAL INCLUDES
  21 #include <dali/public-api/common/dali-common.h>
  22
  23 // INTERNAL INCLUDES
  24 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
  25 #include <dali/integration-api/debug.h>
  26 #include <dali/integration-api/gl-abstraction.h>
  27 #include <dali/integration-api/gl-defines.h>
  28 #include <dali/integration-api/graphics-sync-abstraction.h>
  29 #include <dali/integration-api/pixel-data-integ.h>
  30 #include <dali/internal/graphics/gles-impl/egl-sync-object.h>
  31 #include <dali/internal/graphics/gles-impl/gles-graphics-command-buffer.h>
  32 #include <dali/internal/graphics/gles-impl/gles-graphics-pipeline.h>
  33 #include <dali/internal/graphics/gles-impl/gles-graphics-program.h>
  34 #include <dali/internal/graphics/gles-impl/gles-graphics-render-pass.h>
  35 #include <dali/internal/graphics/gles-impl/gles-graphics-render-target.h>
  36 #include <dali/internal/graphics/gles-impl/gles-graphics-shader.h>
  37 #include <dali/internal/graphics/gles-impl/gles-graphics-texture.h>
  38 #include <dali/internal/graphics/gles-impl/gles-graphics-types.h>
  39 #include <dali/internal/graphics/gles-impl/gles-sync-object.h>
  40 #include <dali/internal/graphics/gles-impl/gles3-graphics-memory.h>
  41 #include <dali/internal/graphics/gles/egl-sync-implementation.h>
  42
  43 #include <dali/internal/graphics/gles/egl-graphics.h>
  44
  45 #include <any>
  46
  47 // Uncomment the following define to turn on frame dumping
  48 //#define ENABLE_COMMAND_BUFFER_FRAME_DUMP 1
  49 #include <dali/internal/graphics/gles-impl/egl-graphics-controller-debug.h>
  50 DUMP_FRAME_INIT();
  51
  52 namespace Dali::Graphics
  53 {
  54 namespace
  55 {
  56 /**
  57  * @brief Custom deleter for all Graphics objects created
  58  * with use of the Controller.
  59  *
  60  * When Graphics object dies the unique pointer (Graphics::UniquePtr)
  61  * doesn't destroy it directly but passes the ownership back
  62  * to the Controller. The GLESDeleter is responsible for passing
  63  * the object to the discard queue (by calling Resource::DiscardResource()).
  64  */
  65 template<typename T>
  66 struct GLESDeleter
  67 {
  68   GLESDeleter() = default;
  69
  70   void operator()(T* object)
  71   {
  72     // Discard resource (add it to discard queue)
  73     object->DiscardResource();
  74   }
  75 };
  76
  77 /**
  78  * @brief Helper function allocating graphics object
  79  *
  80  * @param[in] info Create info structure
  81  * @param[in] controller Controller object
  82  * @param[out] out Unique pointer to the return object
  83  */
  84 template<class GLESType, class GfxCreateInfo, class T>
  85 auto NewObject(const GfxCreateInfo& info, EglGraphicsController& controller, T&& oldObject)
  86 {
  87   // Use allocator
  88   using Type = typename T::element_type;
  89   using UPtr = Graphics::UniquePtr<Type>;
  90   if(info.allocationCallbacks)
  91   {
  92     auto* memory = info.allocationCallbacks->allocCallback(
  93       sizeof(GLESType),
  94       0,
  95       info.allocationCallbacks->userData);
  96     return UPtr(new(memory) GLESType(info, controller), GLESDeleter<GLESType>());
  97   }
  98   else // Use standard allocator
  99   {
 100     // We are given all object for recycling
 101     if(oldObject)
 102     {
 103       auto reusedObject = oldObject.release();
 104       // If succeeded, attach the object to the unique_ptr and return it back
 105       if(static_cast<GLESType*>(reusedObject)->TryRecycle(info, controller))
 106       {
 107         return UPtr(reusedObject, GLESDeleter<GLESType>());
 108       }
 109       else
 110       {
 111         // can't reuse so kill object by giving it back to original
 112         // unique pointer.
 113         oldObject.reset(reusedObject);
 114       }
 115     }
 116
 117     // Create brand new object
 118     return UPtr(new GLESType(info, controller), GLESDeleter<GLESType>());
 119   }
 120 }
 121
 122 template<class T0, class T1>
 123 T0* CastObject(T1* apiObject)
 124 {
 125   return static_cast<T0*>(apiObject);
 126 }
 127
 128 // Maximum size of texture upload buffer.
 129 const uint32_t TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB = 1;
 130
 131 } // namespace
 132
 133 EglGraphicsController::EglGraphicsController()
 134 : mTextureDependencyChecker(*this),
 135   mSyncPool(*this)
 136 {
 137 }
 138
 139 EglGraphicsController::~EglGraphicsController()
 140 {
 141   while(!mPresentationCommandBuffers.empty())
 142   {
 143     auto presentCommandBuffer = const_cast<GLES::CommandBuffer*>(mPresentationCommandBuffers.front());
 144     delete presentCommandBuffer;
 145     mPresentationCommandBuffers.pop();
 146   }
 147 }
 148
 149 void EglGraphicsController::InitializeGLES(Integration::GlAbstraction& glAbstraction)
 150 {
 151   DALI_LOG_RELEASE_INFO("Initializing Graphics Controller Phase 1\n");
 152   mGlAbstraction  = &glAbstraction;
 153   mContext        = std::make_unique<GLES::Context>(*this);
 154   mCurrentContext = mContext.get();
 155 }
 156
 157 void EglGraphicsController::Initialize(Integration::GraphicsSyncAbstraction&    syncImplementation,
 158                                        Integration::GlContextHelperAbstraction& glContextHelperAbstraction,
 159                                        Internal::Adaptor::GraphicsInterface&    graphicsInterface)
 160 {
 161   DALI_LOG_RELEASE_INFO("Initializing Graphics Controller Phase 2\n");
 162   auto* syncImplPtr = static_cast<Internal::Adaptor::EglSyncImplementation*>(&syncImplementation);
 163
 164   mEglSyncImplementation      = syncImplPtr;
 165   mGlContextHelperAbstraction = &glContextHelperAbstraction;
 166   mGraphics                   = &graphicsInterface;
 167 }
 168
 169 void EglGraphicsController::FrameStart()
 170 {
 171   mCapacity = 0; // Reset the command buffer capacity at the start of the frame.
 172 }
 173
 174 void EglGraphicsController::SubmitCommandBuffers(const SubmitInfo& submitInfo)
 175 {
 176   for(auto& cmdbuf : submitInfo.cmdBuffer)
 177   {
 178     // Push command buffers
 179     auto* commandBuffer = static_cast<GLES::CommandBuffer*>(cmdbuf);
 180     mCapacity += commandBuffer->GetCapacity();
 181     mCommandQueue.push(commandBuffer);
 182   }
 183
 184   // If flush bit set, flush all pending tasks
 185   if(submitInfo.flags & (0 | SubmitFlagBits::FLUSH))
 186   {
 187     Flush();
 188   }
 189 }
 190
 191 void EglGraphicsController::WaitIdle()
 192 {
 193   Flush();
 194 }
 195
 196 void EglGraphicsController::PresentRenderTarget(RenderTarget* renderTarget)
 197 {
 198   GLES::CommandBuffer* presentCommandBuffer{nullptr};
 199   if(mPresentationCommandBuffers.empty())
 200   {
 201     CommandBufferCreateInfo info;
 202     info.SetLevel(CommandBufferLevel::PRIMARY);
 203     info.fixedCapacity   = 1; // only one command
 204     presentCommandBuffer = new GLES::CommandBuffer(info, *this);
 205   }
 206   else
 207   {
 208     presentCommandBuffer = const_cast<GLES::CommandBuffer*>(mPresentationCommandBuffers.front());
 209     presentCommandBuffer->Reset();
 210     mPresentationCommandBuffers.pop();
 211   }
 212   presentCommandBuffer->PresentRenderTarget(static_cast<GLES::RenderTarget*>(renderTarget));
 213   SubmitInfo submitInfo;
 214   submitInfo.cmdBuffer = {presentCommandBuffer};
 215   submitInfo.flags     = 0 | SubmitFlagBits::FLUSH;
 216   SubmitCommandBuffers(submitInfo);
 217 }
 218
 219 void EglGraphicsController::ResolvePresentRenderTarget(GLES::RenderTarget* renderTarget)
 220 {
 221   mCurrentContext->InvalidateDepthStencilBuffers();
 222
 223   auto* rt = static_cast<GLES::RenderTarget*>(renderTarget);
 224   if(rt->GetCreateInfo().surface)
 225   {
 226     auto* surfaceInterface = reinterpret_cast<Dali::RenderSurfaceInterface*>(rt->GetCreateInfo().surface);
 227     surfaceInterface->MakeContextCurrent();
 228     surfaceInterface->PostRender();
 229   }
 230 }
 231
 232 void EglGraphicsController::PostRender()
 233 {
 234   mTextureDependencyChecker.Reset();
 235   mSyncPool.AgeSyncObjects();
 236 }
 237
 238 Integration::GlAbstraction& EglGraphicsController::GetGlAbstraction()
 239 {
 240   DALI_ASSERT_DEBUG(mGlAbstraction && "Graphics controller not initialized");
 241   return *mGlAbstraction;
 242 }
 243
 244 Integration::GlContextHelperAbstraction& EglGraphicsController::GetGlContextHelperAbstraction()
 245 {
 246   DALI_ASSERT_DEBUG(mGlContextHelperAbstraction && "Graphics controller not initialized");
 247   return *mGlContextHelperAbstraction;
 248 }
 249
 250 Internal::Adaptor::EglSyncImplementation& EglGraphicsController::GetEglSyncImplementation()
 251 {
 252   DALI_ASSERT_DEBUG(mEglSyncImplementation && "Sync implementation not initialized");
 253   return *mEglSyncImplementation;
 254 }
 255
 256 Graphics::UniquePtr<CommandBuffer> EglGraphicsController::CreateCommandBuffer(
 257   const CommandBufferCreateInfo&       commandBufferCreateInfo,
 258   Graphics::UniquePtr<CommandBuffer>&& oldCommandBuffer)
 259 {
 260   return NewObject<GLES::CommandBuffer>(commandBufferCreateInfo, *this, std::move(oldCommandBuffer));
 261 }
 262
 263 Graphics::UniquePtr<RenderPass> EglGraphicsController::CreateRenderPass(const RenderPassCreateInfo& renderPassCreateInfo, Graphics::UniquePtr<RenderPass>&& oldRenderPass)
 264 {
 265   return NewObject<GLES::RenderPass>(renderPassCreateInfo, *this, std::move(oldRenderPass));
 266 }
 267
 268 Graphics::UniquePtr<Texture>
 269 EglGraphicsController::CreateTexture(const TextureCreateInfo& textureCreateInfo, Graphics::UniquePtr<Texture>&& oldTexture)
 270 {
 271   return NewObject<GLES::Texture>(textureCreateInfo, *this, std::move(oldTexture));
 272 }
 273
 274 Graphics::UniquePtr<Buffer> EglGraphicsController::CreateBuffer(
 275   const BufferCreateInfo& bufferCreateInfo, Graphics::UniquePtr<Buffer>&& oldBuffer)
 276 {
 277   return NewObject<GLES::Buffer>(bufferCreateInfo, *this, std::move(oldBuffer));
 278 }
 279
 280 Graphics::UniquePtr<Framebuffer> EglGraphicsController::CreateFramebuffer(
 281   const FramebufferCreateInfo& framebufferCreateInfo, Graphics::UniquePtr<Framebuffer>&& oldFramebuffer)
 282 {
 283   return NewObject<GLES::Framebuffer>(framebufferCreateInfo, *this, std::move(oldFramebuffer));
 284 }
 285
 286 Graphics::UniquePtr<Pipeline> EglGraphicsController::CreatePipeline(
 287   const PipelineCreateInfo& pipelineCreateInfo, Graphics::UniquePtr<Graphics::Pipeline>&& oldPipeline)
 288 {
 289   // Create pipeline cache if needed
 290   if(!mPipelineCache)
 291   {
 292     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 293   }
 294
 295   return mPipelineCache->GetPipeline(pipelineCreateInfo, std::move(oldPipeline));
 296 }
 297
 298 Graphics::UniquePtr<Program> EglGraphicsController::CreateProgram(
 299   const ProgramCreateInfo& programCreateInfo, UniquePtr<Program>&& oldProgram)
 300 {
 301   // Create program cache if needed
 302   if(!mPipelineCache)
 303   {
 304     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 305   }
 306
 307   return mPipelineCache->GetProgram(programCreateInfo, std::move(oldProgram));
 308 }
 309
 310 Graphics::UniquePtr<Shader> EglGraphicsController::CreateShader(const ShaderCreateInfo& shaderCreateInfo, Graphics::UniquePtr<Shader>&& oldShader)
 311 {
 312   return NewObject<GLES::Shader>(shaderCreateInfo, *this, std::move(oldShader));
 313 }
 314
 315 Graphics::UniquePtr<Sampler> EglGraphicsController::CreateSampler(const SamplerCreateInfo& samplerCreateInfo, Graphics::UniquePtr<Sampler>&& oldSampler)
 316 {
 317   return NewObject<GLES::Sampler>(samplerCreateInfo, *this, std::move(oldSampler));
 318 }
 319
 320 Graphics::UniquePtr<RenderTarget> EglGraphicsController::CreateRenderTarget(const RenderTargetCreateInfo& renderTargetCreateInfo, Graphics::UniquePtr<RenderTarget>&& oldRenderTarget)
 321 {
 322   return NewObject<GLES::RenderTarget>(renderTargetCreateInfo, *this, std::move(oldRenderTarget));
 323 }
 324
 325 Graphics::UniquePtr<SyncObject> EglGraphicsController::CreateSyncObject(const SyncObjectCreateInfo& syncObjectCreateInfo,
 326                                                                         UniquePtr<SyncObject>&&     oldSyncObject)
 327 {
 328   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 329   {
 330     return NewObject<EGL::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 331   }
 332   else
 333   {
 334     return NewObject<GLES::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 335   }
 336 }
 337
 338 MemoryRequirements EglGraphicsController::GetBufferMemoryRequirements(Buffer& buffer) const
 339 {
 340   MemoryRequirements requirements{};
 341
 342   auto gl = GetGL();
 343   if(gl)
 344   {
 345     GLint align;
 346     gl->GetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &align);
 347     requirements.alignment = align;
 348   }
 349   return requirements;
 350 }
 351
 352 TextureProperties EglGraphicsController::GetTextureProperties(const Texture& texture)
 353 {
 354   const GLES::Texture* glesTexture = static_cast<const GLES::Texture*>(&texture);
 355   auto                 createInfo  = glesTexture->GetCreateInfo();
 356
 357   TextureProperties properties{};
 358   properties.format       = createInfo.format;
 359   properties.compressed   = glesTexture->IsCompressed();
 360   properties.extent2D     = createInfo.size;
 361   properties.nativeHandle = glesTexture->GetGLTexture();
 362   // TODO: Skip format1, emulated, packed, directWriteAccessEnabled of TextureProperties for now
 363
 364   return properties;
 365 }
 366
 367 const Graphics::Reflection& EglGraphicsController::GetProgramReflection(const Graphics::Program& program)
 368 {
 369   return static_cast<const Graphics::GLES::Program*>(&program)->GetReflection();
 370 }
 371
 372 void EglGraphicsController::CreateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 373 {
 374   std::unique_ptr<GLES::Context> context = std::make_unique<GLES::Context>(*this);
 375   mSurfaceContexts.push_back(std::move(std::make_pair(surface, std::move(context))));
 376 }
 377
 378 void EglGraphicsController::DeleteSurfaceContext(Dali::RenderSurfaceInterface* surface)
 379 {
 380   mSurfaceContexts.erase(std::remove_if(
 381                            mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) { return surface == iter.first; }),
 382                          mSurfaceContexts.end());
 383 }
 384
 385 void EglGraphicsController::ActivateResourceContext()
 386 {
 387   mCurrentContext = mContext.get();
 388   mCurrentContext->GlContextCreated();
 389   if(!mSharedContext)
 390   {
 391     auto eglGraphics = dynamic_cast<Dali::Internal::Adaptor::EglGraphics*>(mGraphics);
 392     if(eglGraphics)
 393     {
 394       mSharedContext = eglGraphics->GetEglImplementation().GetContext();
 395     }
 396   }
 397 }
 398
 399 void EglGraphicsController::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 400 {
 401   if(surface && mGraphics->IsResourceContextSupported())
 402   {
 403     auto iter = std::find_if(mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) { return (iter.first == surface); });
 404
 405     if(iter != mSurfaceContexts.end())
 406     {
 407       mCurrentContext = iter->second.get();
 408       mCurrentContext->GlContextCreated();
 409     }
 410   }
 411 }
 412
 413 void EglGraphicsController::AddTexture(GLES::Texture& texture)
 414 {
 415   // Assuming we are on the correct context
 416   mCreateTextureQueue.push(&texture);
 417 }
 418
 419 void EglGraphicsController::AddBuffer(GLES::Buffer& buffer)
 420 {
 421   // Assuming we are on the correct context
 422   mCreateBufferQueue.push(&buffer);
 423 }
 424
 425 void EglGraphicsController::AddFramebuffer(GLES::Framebuffer& framebuffer)
 426 {
 427   // Assuming we are on the correct context
 428   mCreateFramebufferQueue.push(&framebuffer);
 429 }
 430
 431 void EglGraphicsController::ProcessDiscardQueues()
 432 {
 433   // Process textures
 434   ProcessDiscardQueue<GLES::Texture>(mDiscardTextureQueue);
 435
 436   // Process buffers
 437   ProcessDiscardQueue<GLES::Buffer>(mDiscardBufferQueue);
 438
 439   // Process Framebuffers
 440   ProcessDiscardQueue<GLES::Framebuffer>(mDiscardFramebufferQueue);
 441
 442   // Process RenderPass
 443   ProcessDiscardQueue<GLES::RenderPass>(mDiscardRenderPassQueue);
 444
 445   // Process RenderTarget
 446   ProcessDiscardQueue<GLES::RenderTarget>(mDiscardRenderTargetQueue);
 447
 448   // Process pipelines
 449   if(mPipelineCache && !mDiscardPipelineQueue.empty())
 450   {
 451     mPipelineCache->MarkPipelineCacheFlushRequired();
 452   }
 453   ProcessDiscardQueue(mDiscardPipelineQueue);
 454
 455   // Process programs
 456   if(mPipelineCache && !mDiscardProgramQueue.empty())
 457   {
 458     mPipelineCache->MarkProgramCacheFlushRequired();
 459   }
 460   ProcessDiscardQueue<GLES::Program>(mDiscardProgramQueue);
 461
 462   // Process shaders
 463   ProcessDiscardQueue<GLES::Shader>(mDiscardShaderQueue);
 464
 465   // Process samplers
 466   ProcessDiscardQueue<GLES::Sampler>(mDiscardSamplerQueue);
 467
 468   // Process command buffers
 469   ProcessDiscardQueue<GLES::CommandBuffer>(mDiscardCommandBufferQueue);
 470 }
 471
 472 void EglGraphicsController::ProcessCreateQueues()
 473 {
 474   // Process textures
 475   ProcessCreateQueue(mCreateTextureQueue);
 476
 477   // Process buffers
 478   ProcessCreateQueue(mCreateBufferQueue);
 479
 480   // Process framebuffers
 481   ProcessCreateQueue(mCreateFramebufferQueue);
 482 }
 483
 484 void EglGraphicsController::ProcessCommandBuffer(const GLES::CommandBuffer& commandBuffer)
 485 {
 486   auto       count    = 0u;
 487   const auto commands = commandBuffer.GetCommands(count);
 488   for(auto i = 0u; i < count; ++i)
 489   {
 490     auto& cmd = commands[i];
 491     // process command
 492     switch(cmd.type)
 493     {
 494       case GLES::CommandType::FLUSH:
 495       {
 496         // Nothing to do here
 497         break;
 498       }
 499       case GLES::CommandType::BIND_TEXTURES:
 500       {
 501         mCurrentContext->BindTextures(cmd.bindTextures.textureBindings.Ptr(), cmd.bindTextures.textureBindingsCount);
 502         break;
 503       }
 504       case GLES::CommandType::BIND_VERTEX_BUFFERS:
 505       {
 506         auto bindings = cmd.bindVertexBuffers.vertexBufferBindings.Ptr();
 507         mCurrentContext->BindVertexBuffers(bindings, cmd.bindVertexBuffers.vertexBufferBindingsCount);
 508         break;
 509       }
 510       case GLES::CommandType::BIND_UNIFORM_BUFFER:
 511       {
 512         auto& bindings = cmd.bindUniformBuffers;
 513         mCurrentContext->BindUniformBuffers(bindings.uniformBufferBindingsCount ? bindings.uniformBufferBindings.Ptr() : nullptr, bindings.uniformBufferBindingsCount, bindings.standaloneUniformsBufferBinding);
 514         break;
 515       }
 516       case GLES::CommandType::BIND_INDEX_BUFFER:
 517       {
 518         mCurrentContext->BindIndexBuffer(cmd.bindIndexBuffer);
 519         break;
 520       }
 521       case GLES::CommandType::BIND_SAMPLERS:
 522       {
 523         break;
 524       }
 525       case GLES::CommandType::BIND_PIPELINE:
 526       {
 527         auto pipeline = static_cast<const GLES::Pipeline*>(cmd.bindPipeline.pipeline);
 528         mCurrentContext->BindPipeline(pipeline);
 529         break;
 530       }
 531       case GLES::CommandType::DRAW:
 532       {
 533         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 534         break;
 535       }
 536       case GLES::CommandType::DRAW_INDEXED:
 537       {
 538         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 539         break;
 540       }
 541       case GLES::CommandType::DRAW_INDEXED_INDIRECT:
 542       {
 543         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 544         break;
 545       }
 546       case GLES::CommandType::SET_SCISSOR: // @todo Consider correcting for orientation here?
 547       {
 548         mGlAbstraction->Scissor(cmd.scissor.region.x, cmd.scissor.region.y, cmd.scissor.region.width, cmd.scissor.region.height);
 549         break;
 550       }
 551       case GLES::CommandType::SET_SCISSOR_TEST:
 552       {
 553         mCurrentContext->SetScissorTestEnabled(cmd.scissorTest.enable);
 554         break;
 555       }
 556       case GLES::CommandType::SET_VIEWPORT: // @todo Consider correcting for orientation here?
 557       {
 558         mGlAbstraction->Viewport(cmd.viewport.region.x, cmd.viewport.region.y, cmd.viewport.region.width, cmd.viewport.region.height);
 559         break;
 560       }
 561
 562       case GLES::CommandType::SET_COLOR_MASK:
 563       {
 564         mCurrentContext->ColorMask(cmd.colorMask.enabled);
 565         break;
 566       }
 567       case GLES::CommandType::CLEAR_STENCIL_BUFFER:
 568       {
 569         mCurrentContext->ClearStencilBuffer();
 570         break;
 571       }
 572       case GLES::CommandType::CLEAR_DEPTH_BUFFER:
 573       {
 574         mCurrentContext->ClearDepthBuffer();
 575         break;
 576       }
 577
 578       case GLES::CommandType::SET_STENCIL_TEST_ENABLE:
 579       {
 580         mCurrentContext->SetStencilTestEnable(cmd.stencilTest.enabled);
 581         break;
 582       }
 583
 584       case GLES::CommandType::SET_STENCIL_FUNC:
 585       {
 586         mCurrentContext->StencilFunc(cmd.stencilFunc.compareOp,
 587                                      cmd.stencilFunc.reference,
 588                                      cmd.stencilFunc.compareMask);
 589         break;
 590       }
 591
 592       case GLES::CommandType::SET_STENCIL_WRITE_MASK:
 593       {
 594         mCurrentContext->StencilMask(cmd.stencilWriteMask.mask);
 595         break;
 596       }
 597
 598       case GLES::CommandType::SET_STENCIL_OP:
 599       {
 600         mCurrentContext->StencilOp(cmd.stencilOp.failOp,
 601                                    cmd.stencilOp.depthFailOp,
 602                                    cmd.stencilOp.passOp);
 603         break;
 604       }
 605
 606       case GLES::CommandType::SET_DEPTH_COMPARE_OP:
 607       {
 608         mCurrentContext->SetDepthCompareOp(cmd.depth.compareOp);
 609         break;
 610       }
 611       case GLES::CommandType::SET_DEPTH_TEST_ENABLE:
 612       {
 613         mCurrentContext->SetDepthTestEnable(cmd.depth.testEnabled);
 614         break;
 615       }
 616       case GLES::CommandType::SET_DEPTH_WRITE_ENABLE:
 617       {
 618         mCurrentContext->SetDepthWriteEnable(cmd.depth.writeEnabled);
 619         break;
 620       }
 621
 622       case GLES::CommandType::BEGIN_RENDERPASS:
 623       {
 624         auto&       renderTarget = *cmd.beginRenderPass.renderTarget;
 625         const auto& targetInfo   = renderTarget.GetCreateInfo();
 626
 627         if(targetInfo.surface)
 628         {
 629           // switch to surface context
 630           mGraphics->ActivateSurfaceContext(static_cast<Dali::RenderSurfaceInterface*>(targetInfo.surface));
 631         }
 632         else if(targetInfo.framebuffer)
 633         {
 634           // switch to resource context
 635           mGraphics->ActivateResourceContext();
 636         }
 637
 638         mCurrentContext->BeginRenderPass(cmd.beginRenderPass);
 639
 640         break;
 641       }
 642       case GLES::CommandType::END_RENDERPASS:
 643       {
 644         mCurrentContext->EndRenderPass(mTextureDependencyChecker);
 645
 646         // This sync object is to enable cpu to wait for rendering to complete, not gpu.
 647         // It's only needed for reading the framebuffer texture in the client.
 648         auto syncObject = const_cast<GLES::SyncObject*>(static_cast<const GLES::SyncObject*>(cmd.endRenderPass.syncObject));
 649         if(syncObject)
 650         {
 651           syncObject->InitializeResource();
 652         }
 653         break;
 654       }
 655       case GLES::CommandType::PRESENT_RENDER_TARGET:
 656       {
 657         ResolvePresentRenderTarget(cmd.presentRenderTarget.targetToPresent);
 658
 659         // The command buffer will be pushed into the queue of presentation command buffers
 660         // for further reuse.
 661         if(commandBuffer.GetCreateInfo().fixedCapacity == 1)
 662         {
 663           mPresentationCommandBuffers.push(&commandBuffer);
 664         }
 665         break;
 666       }
 667       case GLES::CommandType::EXECUTE_COMMAND_BUFFERS:
 668       {
 669         // Process secondary command buffers
 670         // todo: check validity of the secondaries
 671         //       there are operations which are illigal to be done
 672         //       within secondaries.
 673         auto buffers = cmd.executeCommandBuffers.buffers.Ptr();
 674         for(auto j = 0u; j < cmd.executeCommandBuffers.buffersCount; ++j)
 675         {
 676           auto& buf = buffers[j];
 677           ProcessCommandBuffer(*static_cast<const GLES::CommandBuffer*>(buf));
 678         }
 679         break;
 680       }
 681       case GLES::CommandType::DRAW_NATIVE:
 682       {
 683         auto* info = &cmd.drawNative.drawNativeInfo;
 684
 685         mCurrentContext->PrepareForNativeRendering();
 686
 687         if(info->glesNativeInfo.eglSharedContextStoragePointer)
 688         {
 689           auto* anyContext = reinterpret_cast<std::any*>(info->glesNativeInfo.eglSharedContextStoragePointer);
 690           *anyContext      = mSharedContext;
 691         }
 692
 693         CallbackBase::ExecuteReturn<bool>(*info->callback, info->userData);
 694
 695         mCurrentContext->RestoreFromNativeRendering();
 696         break;
 697       }
 698     }
 699   }
 700 }
 701
 702 void EglGraphicsController::ProcessCommandQueues()
 703 {
 704   DUMP_FRAME_START();
 705
 706   while(!mCommandQueue.empty())
 707   {
 708     auto cmdBuf = mCommandQueue.front();
 709     mCommandQueue.pop();
 710     DUMP_FRAME_COMMAND_BUFFER(cmdBuf);
 711     ProcessCommandBuffer(*cmdBuf);
 712   }
 713
 714   DUMP_FRAME_END();
 715 }
 716
 717 void EglGraphicsController::ProcessTextureUpdateQueue()
 718 {
 719   while(!mTextureUpdateRequests.empty())
 720   {
 721     TextureUpdateRequest& request = mTextureUpdateRequests.front();
 722
 723     auto& info   = request.first;
 724     auto& source = request.second;
 725
 726     switch(source.sourceType)
 727     {
 728       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 729       case Graphics::TextureUpdateSourceInfo::Type::PIXEL_DATA:
 730       {
 731         // GPU memory must be already allocated.
 732
 733         // Check if it needs conversion
 734         auto*       texture            = static_cast<GLES::Texture*>(info.dstTexture);
 735         const auto& createInfo         = texture->GetCreateInfo();
 736         auto        srcFormat          = GLES::GLTextureFormatType(info.srcFormat).format;
 737         auto        srcType            = GLES::GLTextureFormatType(info.srcFormat).type;
 738         auto        destInternalFormat = GLES::GLTextureFormatType(createInfo.format).internalFormat;
 739         auto        destFormat         = GLES::GLTextureFormatType(createInfo.format).format;
 740
 741         // From render-texture.cpp
 742         const bool isSubImage(info.dstOffset2D.x != 0 || info.dstOffset2D.y != 0 ||
 743                               info.srcExtent2D.width != (createInfo.size.width / (1 << info.level)) ||
 744                               info.srcExtent2D.height != (createInfo.size.height / (1 << info.level)));
 745
 746         uint8_t* sourceBuffer;
 747         if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 748         {
 749           sourceBuffer = reinterpret_cast<uint8_t*>(source.memorySource.memory);
 750         }
 751         else
 752         {
 753           // Get buffer of PixelData
 754           Dali::Integration::PixelDataBuffer pixelBufferData = Dali::Integration::GetPixelDataBuffer(source.pixelDataSource.pixelData);
 755
 756           sourceBuffer = pixelBufferData.buffer + info.srcOffset;
 757         }
 758
 759         auto                 sourceStride = info.srcStride;
 760         std::vector<uint8_t> tempBuffer;
 761
 762         if(mGlAbstraction->TextureRequiresConverting(srcFormat, destFormat, isSubImage))
 763         {
 764           // Convert RGB to RGBA if necessary.
 765           if(texture->TryConvertPixelData(sourceBuffer, info.srcFormat, createInfo.format, info.srcSize, info.srcStride, info.srcExtent2D.width, info.srcExtent2D.height, tempBuffer))
 766           {
 767             sourceBuffer = &tempBuffer[0];
 768             sourceStride = 0u; // Converted buffer compacted. make stride as 0.
 769             srcFormat    = destFormat;
 770             srcType      = GLES::GLTextureFormatType(createInfo.format).type;
 771           }
 772         }
 773
 774         // Calculate the maximum mipmap level for the texture
 775         texture->SetMaxMipMapLevel(std::max(texture->GetMaxMipMapLevel(), info.level));
 776
 777         GLenum bindTarget{GL_TEXTURE_2D};
 778         GLenum target{GL_TEXTURE_2D};
 779
 780         if(createInfo.textureType == Graphics::TextureType::TEXTURE_CUBEMAP)
 781         {
 782           bindTarget = GL_TEXTURE_CUBE_MAP;
 783           target     = GL_TEXTURE_CUBE_MAP_POSITIVE_X + info.layer;
 784         }
 785
 786         mGlAbstraction->PixelStorei(GL_UNPACK_ALIGNMENT, 1);
 787         mGlAbstraction->PixelStorei(GL_UNPACK_ROW_LENGTH, sourceStride);
 788
 789         mCurrentContext->BindTexture(bindTarget, texture->GetTextureTypeId(), texture->GetGLTexture());
 790
 791         if(!isSubImage)
 792         {
 793           if(!texture->IsCompressed())
 794           {
 795             mGlAbstraction->TexImage2D(target,
 796                                        info.level,
 797                                        destInternalFormat,
 798                                        info.srcExtent2D.width,
 799                                        info.srcExtent2D.height,
 800                                        0,
 801                                        srcFormat,
 802                                        srcType,
 803                                        sourceBuffer);
 804           }
 805           else
 806           {
 807             mGlAbstraction->CompressedTexImage2D(target,
 808                                                  info.level,
 809                                                  destInternalFormat,
 810                                                  info.srcExtent2D.width,
 811                                                  info.srcExtent2D.height,
 812                                                  0,
 813                                                  info.srcSize,
 814                                                  sourceBuffer);
 815           }
 816         }
 817         else
 818         {
 819           if(!texture->IsCompressed())
 820           {
 821             mGlAbstraction->TexSubImage2D(target,
 822                                           info.level,
 823                                           info.dstOffset2D.x,
 824                                           info.dstOffset2D.y,
 825                                           info.srcExtent2D.width,
 826                                           info.srcExtent2D.height,
 827                                           srcFormat,
 828                                           srcType,
 829                                           sourceBuffer);
 830           }
 831           else
 832           {
 833             mGlAbstraction->CompressedTexSubImage2D(target,
 834                                                     info.level,
 835                                                     info.dstOffset2D.x,
 836                                                     info.dstOffset2D.y,
 837                                                     info.srcExtent2D.width,
 838                                                     info.srcExtent2D.height,
 839                                                     srcFormat,
 840                                                     info.srcSize,
 841                                                     sourceBuffer);
 842           }
 843         }
 844
 845         if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 846         {
 847           // free staging memory
 848           free(source.memorySource.memory);
 849         }
 850         break;
 851       }
 852       default:
 853       {
 854         // TODO: other sources
 855         break;
 856       }
 857     }
 858
 859     mTextureUpdateRequests.pop();
 860   }
 861 }
 862
 863 void EglGraphicsController::UpdateTextures(const std::vector<TextureUpdateInfo>&       updateInfoList,
 864                                            const std::vector<TextureUpdateSourceInfo>& sourceList)
 865 {
 866   // Store updates
 867   for(auto& info : updateInfoList)
 868   {
 869     mTextureUpdateRequests.push(std::make_pair(info, sourceList[info.srcReference]));
 870     auto& pair = mTextureUpdateRequests.back();
 871     switch(pair.second.sourceType)
 872     {
 873       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 874       {
 875         auto& info   = pair.first;
 876         auto& source = pair.second;
 877
 878         // allocate staging memory and copy the data
 879         // TODO: using PBO with GLES3, this is just naive
 880         // oldschool way
 881
 882         uint8_t* stagingBuffer = reinterpret_cast<uint8_t*>(malloc(info.srcSize));
 883
 884         uint8_t* srcMemory = &reinterpret_cast<uint8_t*>(source.memorySource.memory)[info.srcOffset];
 885
 886         std::copy(srcMemory, srcMemory + info.srcSize, stagingBuffer);
 887
 888         mTextureUploadTotalCPUMemoryUsed += info.srcSize;
 889
 890         // store staging buffer
 891         source.memorySource.memory = stagingBuffer;
 892         break;
 893       }
 894       case Graphics::TextureUpdateSourceInfo::Type::PIXEL_DATA:
 895       {
 896         // Increase CPU memory usage since ownership of PixelData is now on mTextureUpdateRequests.
 897         mTextureUploadTotalCPUMemoryUsed += info.srcSize;
 898         break;
 899       }
 900       case Graphics::TextureUpdateSourceInfo::Type::BUFFER:
 901       {
 902         // TODO, with PBO support
 903         break;
 904       }
 905       case Graphics::TextureUpdateSourceInfo::Type::TEXTURE:
 906       {
 907         // TODO texture 2 texture in-GPU copy
 908         break;
 909       }
 910     }
 911   }
 912
 913   // If upload buffer exceeds maximum size, flush.
 914   if(mTextureUploadTotalCPUMemoryUsed > TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB * 1024 * 1024)
 915   {
 916     Flush();
 917     mTextureUploadTotalCPUMemoryUsed = 0;
 918   }
 919 }
 920
 921 void EglGraphicsController::ProcessTextureMipmapGenerationQueue()
 922 {
 923   while(!mTextureMipmapGenerationRequests.empty())
 924   {
 925     auto* texture = mTextureMipmapGenerationRequests.front();
 926
 927     mCurrentContext->BindTexture(texture->GetGlTarget(), texture->GetTextureTypeId(), texture->GetGLTexture());
 928     mCurrentContext->GenerateMipmap(texture->GetGlTarget());
 929
 930     mTextureMipmapGenerationRequests.pop();
 931   }
 932 }
 933
 934 void EglGraphicsController::GenerateTextureMipmaps(const Graphics::Texture& texture)
 935 {
 936   mTextureMipmapGenerationRequests.push(static_cast<const GLES::Texture*>(&texture));
 937 }
 938
 939 Graphics::UniquePtr<Memory> EglGraphicsController::MapBufferRange(const MapBufferInfo& mapInfo)
 940 {
 941   // Mapping buffer requires the object to be created NOW
 942   // Workaround - flush now, otherwise there will be given a staging buffer
 943   // in case when the buffer is not there yet
 944   if(!mCreateBufferQueue.empty())
 945   {
 946     mGraphics->ActivateResourceContext();
 947     ProcessCreateQueues();
 948   }
 949
 950   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 951   {
 952     return Graphics::UniquePtr<Memory>(new GLES::Memory2(mapInfo, *this));
 953   }
 954   else
 955   {
 956     return Graphics::UniquePtr<Memory>(new GLES::Memory3(mapInfo, *this));
 957   }
 958 }
 959
 960 bool EglGraphicsController::GetProgramParameter(Graphics::Program& program, uint32_t parameterId, void* outData)
 961 {
 962   return static_cast<GLES::Program*>(&program)->GetImplementation()->GetParameter(parameterId, outData);
 963 }
 964
 965 GLES::PipelineCache& EglGraphicsController::GetPipelineCache() const
 966 {
 967   return *mPipelineCache;
 968 }
 969
 970 Graphics::Texture* EglGraphicsController::CreateTextureByResourceId(uint32_t resourceId, const Graphics::TextureCreateInfo& createInfo)
 971 {
 972   Graphics::Texture*                     ret = nullptr;
 973   Graphics::UniquePtr<Graphics::Texture> texture;
 974
 975   auto iter = mExternalTextureResources.find(resourceId);
 976   DALI_ASSERT_ALWAYS(iter == mExternalTextureResources.end());
 977
 978   texture = CreateTexture(createInfo, std::move(texture));
 979
 980   ret = texture.get();
 981
 982   mExternalTextureResources.insert(std::make_pair(resourceId, std::move(texture)));
 983
 984   return ret;
 985 }
 986
 987 void EglGraphicsController::DiscardTextureFromResourceId(uint32_t resourceId)
 988 {
 989   auto iter = mExternalTextureResources.find(resourceId);
 990   if(iter != mExternalTextureResources.end())
 991   {
 992     mExternalTextureResources.erase(iter);
 993   }
 994 }
 995
 996 Graphics::Texture* EglGraphicsController::GetTextureFromResourceId(uint32_t resourceId)
 997 {
 998   Graphics::Texture* ret = nullptr;
 999
1000   auto iter = mExternalTextureResources.find(resourceId);
1001   if(iter != mExternalTextureResources.end())
1002   {
1003     ret = iter->second.get();
1004   }
1005
1006   return ret;
1007 }
1008
1009 Graphics::UniquePtr<Graphics::Texture> EglGraphicsController::ReleaseTextureFromResourceId(uint32_t resourceId)
1010 {
1011   Graphics::UniquePtr<Graphics::Texture> texture;
1012
1013   auto iter = mExternalTextureResources.find(resourceId);
1014   if(iter != mExternalTextureResources.end())
1015   {
1016     texture = std::move(iter->second);
1017     mExternalTextureResources.erase(iter);
1018   }
1019
1020   return texture;
1021 }
1022
1023 } // namespace Dali::Graphics