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 pipeline 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   // Create pipeline cache if needed
 313   if(!mPipelineCache)
 314   {
 315     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 316   }
 317   return mPipelineCache->GetShader(shaderCreateInfo, std::move(oldShader));
 318 }
 319
 320 Graphics::UniquePtr<Sampler> EglGraphicsController::CreateSampler(const SamplerCreateInfo& samplerCreateInfo, Graphics::UniquePtr<Sampler>&& oldSampler)
 321 {
 322   return NewObject<GLES::Sampler>(samplerCreateInfo, *this, std::move(oldSampler));
 323 }
 324
 325 Graphics::UniquePtr<RenderTarget> EglGraphicsController::CreateRenderTarget(const RenderTargetCreateInfo& renderTargetCreateInfo, Graphics::UniquePtr<RenderTarget>&& oldRenderTarget)
 326 {
 327   return NewObject<GLES::RenderTarget>(renderTargetCreateInfo, *this, std::move(oldRenderTarget));
 328 }
 329
 330 Graphics::UniquePtr<SyncObject> EglGraphicsController::CreateSyncObject(const SyncObjectCreateInfo& syncObjectCreateInfo,
 331                                                                         UniquePtr<SyncObject>&&     oldSyncObject)
 332 {
 333   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 334   {
 335     return NewObject<EGL::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 336   }
 337   else
 338   {
 339     return NewObject<GLES::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 340   }
 341 }
 342
 343 MemoryRequirements EglGraphicsController::GetBufferMemoryRequirements(Buffer& buffer) const
 344 {
 345   MemoryRequirements requirements{};
 346
 347   auto gl = GetGL();
 348   if(gl)
 349   {
 350     GLint align;
 351     gl->GetIntegerv(GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, &align);
 352     requirements.alignment = align;
 353   }
 354   return requirements;
 355 }
 356
 357 TextureProperties EglGraphicsController::GetTextureProperties(const Texture& texture)
 358 {
 359   const GLES::Texture* glesTexture = static_cast<const GLES::Texture*>(&texture);
 360   auto                 createInfo  = glesTexture->GetCreateInfo();
 361
 362   TextureProperties properties{};
 363   properties.format       = createInfo.format;
 364   properties.compressed   = glesTexture->IsCompressed();
 365   properties.extent2D     = createInfo.size;
 366   properties.nativeHandle = glesTexture->GetGLTexture();
 367   // TODO: Skip format1, emulated, packed, directWriteAccessEnabled of TextureProperties for now
 368
 369   return properties;
 370 }
 371
 372 const Graphics::Reflection& EglGraphicsController::GetProgramReflection(const Graphics::Program& program)
 373 {
 374   return static_cast<const Graphics::GLES::Program*>(&program)->GetReflection();
 375 }
 376
 377 void EglGraphicsController::CreateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 378 {
 379   std::unique_ptr<GLES::Context> context = std::make_unique<GLES::Context>(*this);
 380   mSurfaceContexts.push_back(std::move(std::make_pair(surface, std::move(context))));
 381 }
 382
 383 void EglGraphicsController::DeleteSurfaceContext(Dali::RenderSurfaceInterface* surface)
 384 {
 385   mSurfaceContexts.erase(std::remove_if(
 386                            mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) { return surface == iter.first; }),
 387                          mSurfaceContexts.end());
 388 }
 389
 390 void EglGraphicsController::ActivateResourceContext()
 391 {
 392   mCurrentContext = mContext.get();
 393   mCurrentContext->GlContextCreated();
 394   if(!mSharedContext)
 395   {
 396     auto eglGraphics = dynamic_cast<Dali::Internal::Adaptor::EglGraphics*>(mGraphics);
 397     if(eglGraphics)
 398     {
 399       mSharedContext = eglGraphics->GetEglImplementation().GetContext();
 400     }
 401   }
 402 }
 403
 404 void EglGraphicsController::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 405 {
 406   if(surface && mGraphics->IsResourceContextSupported())
 407   {
 408     auto iter = std::find_if(mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) { return (iter.first == surface); });
 409
 410     if(iter != mSurfaceContexts.end())
 411     {
 412       mCurrentContext = iter->second.get();
 413       mCurrentContext->GlContextCreated();
 414     }
 415   }
 416 }
 417
 418 void EglGraphicsController::AddTexture(GLES::Texture& texture)
 419 {
 420   // Assuming we are on the correct context
 421   mCreateTextureQueue.push(&texture);
 422 }
 423
 424 void EglGraphicsController::AddBuffer(GLES::Buffer& buffer)
 425 {
 426   // Assuming we are on the correct context
 427   mCreateBufferQueue.push(&buffer);
 428 }
 429
 430 void EglGraphicsController::AddFramebuffer(GLES::Framebuffer& framebuffer)
 431 {
 432   // Assuming we are on the correct context
 433   mCreateFramebufferQueue.push(&framebuffer);
 434 }
 435
 436 void EglGraphicsController::ProcessDiscardQueues()
 437 {
 438   // Process textures
 439   ProcessDiscardQueue<GLES::Texture>(mDiscardTextureQueue);
 440
 441   // Process buffers
 442   ProcessDiscardQueue<GLES::Buffer>(mDiscardBufferQueue);
 443
 444   // Process Framebuffers
 445   ProcessDiscardQueue<GLES::Framebuffer>(mDiscardFramebufferQueue);
 446
 447   // Process RenderPass
 448   ProcessDiscardQueue<GLES::RenderPass>(mDiscardRenderPassQueue);
 449
 450   // Process RenderTarget
 451   ProcessDiscardQueue<GLES::RenderTarget>(mDiscardRenderTargetQueue);
 452
 453   // Process pipelines
 454   if(mPipelineCache && !mDiscardPipelineQueue.empty())
 455   {
 456     mPipelineCache->MarkPipelineCacheFlushRequired();
 457   }
 458   ProcessDiscardQueue(mDiscardPipelineQueue);
 459
 460   // Process programs
 461   if(mPipelineCache && !mDiscardProgramQueue.empty())
 462   {
 463     mPipelineCache->MarkProgramCacheFlushRequired();
 464   }
 465   ProcessDiscardQueue<GLES::Program>(mDiscardProgramQueue);
 466
 467   // Process shaders
 468   ProcessDiscardQueue<GLES::Shader>(mDiscardShaderQueue);
 469
 470   // Process samplers
 471   ProcessDiscardQueue<GLES::Sampler>(mDiscardSamplerQueue);
 472
 473   // Process command buffers
 474   ProcessDiscardQueue<GLES::CommandBuffer>(mDiscardCommandBufferQueue);
 475 }
 476
 477 void EglGraphicsController::ProcessCreateQueues()
 478 {
 479   // Process textures
 480   ProcessCreateQueue(mCreateTextureQueue);
 481
 482   // Process buffers
 483   ProcessCreateQueue(mCreateBufferQueue);
 484
 485   // Process framebuffers
 486   ProcessCreateQueue(mCreateFramebufferQueue);
 487 }
 488
 489 void EglGraphicsController::ProcessCommandBuffer(const GLES::CommandBuffer& commandBuffer)
 490 {
 491   auto       count    = 0u;
 492   const auto commands = commandBuffer.GetCommands(count);
 493   for(auto i = 0u; i < count; ++i)
 494   {
 495     auto& cmd = commands[i];
 496     // process command
 497     switch(cmd.type)
 498     {
 499       case GLES::CommandType::FLUSH:
 500       {
 501         // Nothing to do here
 502         break;
 503       }
 504       case GLES::CommandType::BIND_TEXTURES:
 505       {
 506         mCurrentContext->BindTextures(cmd.bindTextures.textureBindings.Ptr(), cmd.bindTextures.textureBindingsCount);
 507         break;
 508       }
 509       case GLES::CommandType::BIND_VERTEX_BUFFERS:
 510       {
 511         auto bindings = cmd.bindVertexBuffers.vertexBufferBindings.Ptr();
 512         mCurrentContext->BindVertexBuffers(bindings, cmd.bindVertexBuffers.vertexBufferBindingsCount);
 513         break;
 514       }
 515       case GLES::CommandType::BIND_UNIFORM_BUFFER:
 516       {
 517         auto& bindings = cmd.bindUniformBuffers;
 518         mCurrentContext->BindUniformBuffers(bindings.uniformBufferBindingsCount ? bindings.uniformBufferBindings.Ptr() : nullptr, bindings.uniformBufferBindingsCount, bindings.standaloneUniformsBufferBinding);
 519         break;
 520       }
 521       case GLES::CommandType::BIND_INDEX_BUFFER:
 522       {
 523         mCurrentContext->BindIndexBuffer(cmd.bindIndexBuffer);
 524         break;
 525       }
 526       case GLES::CommandType::BIND_SAMPLERS:
 527       {
 528         break;
 529       }
 530       case GLES::CommandType::BIND_PIPELINE:
 531       {
 532         auto pipeline = static_cast<const GLES::Pipeline*>(cmd.bindPipeline.pipeline);
 533         mCurrentContext->BindPipeline(pipeline);
 534         break;
 535       }
 536       case GLES::CommandType::DRAW:
 537       {
 538         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 539         break;
 540       }
 541       case GLES::CommandType::DRAW_INDEXED:
 542       {
 543         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 544         break;
 545       }
 546       case GLES::CommandType::DRAW_INDEXED_INDIRECT:
 547       {
 548         mCurrentContext->Flush(false, cmd.draw, mTextureDependencyChecker);
 549         break;
 550       }
 551       case GLES::CommandType::SET_SCISSOR: // @todo Consider correcting for orientation here?
 552       {
 553         mGlAbstraction->Scissor(cmd.scissor.region.x, cmd.scissor.region.y, cmd.scissor.region.width, cmd.scissor.region.height);
 554         break;
 555       }
 556       case GLES::CommandType::SET_SCISSOR_TEST:
 557       {
 558         mCurrentContext->SetScissorTestEnabled(cmd.scissorTest.enable);
 559         break;
 560       }
 561       case GLES::CommandType::SET_VIEWPORT: // @todo Consider correcting for orientation here?
 562       {
 563         mGlAbstraction->Viewport(cmd.viewport.region.x, cmd.viewport.region.y, cmd.viewport.region.width, cmd.viewport.region.height);
 564         break;
 565       }
 566
 567       case GLES::CommandType::SET_COLOR_MASK:
 568       {
 569         mCurrentContext->ColorMask(cmd.colorMask.enabled);
 570         break;
 571       }
 572       case GLES::CommandType::CLEAR_STENCIL_BUFFER:
 573       {
 574         mCurrentContext->ClearStencilBuffer();
 575         break;
 576       }
 577       case GLES::CommandType::CLEAR_DEPTH_BUFFER:
 578       {
 579         mCurrentContext->ClearDepthBuffer();
 580         break;
 581       }
 582
 583       case GLES::CommandType::SET_STENCIL_TEST_ENABLE:
 584       {
 585         mCurrentContext->SetStencilTestEnable(cmd.stencilTest.enabled);
 586         break;
 587       }
 588
 589       case GLES::CommandType::SET_STENCIL_FUNC:
 590       {
 591         mCurrentContext->StencilFunc(cmd.stencilFunc.compareOp,
 592                                      cmd.stencilFunc.reference,
 593                                      cmd.stencilFunc.compareMask);
 594         break;
 595       }
 596
 597       case GLES::CommandType::SET_STENCIL_WRITE_MASK:
 598       {
 599         mCurrentContext->StencilMask(cmd.stencilWriteMask.mask);
 600         break;
 601       }
 602
 603       case GLES::CommandType::SET_STENCIL_OP:
 604       {
 605         mCurrentContext->StencilOp(cmd.stencilOp.failOp,
 606                                    cmd.stencilOp.depthFailOp,
 607                                    cmd.stencilOp.passOp);
 608         break;
 609       }
 610
 611       case GLES::CommandType::SET_DEPTH_COMPARE_OP:
 612       {
 613         mCurrentContext->SetDepthCompareOp(cmd.depth.compareOp);
 614         break;
 615       }
 616       case GLES::CommandType::SET_DEPTH_TEST_ENABLE:
 617       {
 618         mCurrentContext->SetDepthTestEnable(cmd.depth.testEnabled);
 619         break;
 620       }
 621       case GLES::CommandType::SET_DEPTH_WRITE_ENABLE:
 622       {
 623         mCurrentContext->SetDepthWriteEnable(cmd.depth.writeEnabled);
 624         break;
 625       }
 626
 627       case GLES::CommandType::BEGIN_RENDERPASS:
 628       {
 629         auto&       renderTarget = *cmd.beginRenderPass.renderTarget;
 630         const auto& targetInfo   = renderTarget.GetCreateInfo();
 631
 632         if(targetInfo.surface)
 633         {
 634           // switch to surface context
 635           mGraphics->ActivateSurfaceContext(static_cast<Dali::RenderSurfaceInterface*>(targetInfo.surface));
 636         }
 637         else if(targetInfo.framebuffer)
 638         {
 639           // switch to resource context
 640           mGraphics->ActivateResourceContext();
 641         }
 642
 643         mCurrentContext->BeginRenderPass(cmd.beginRenderPass);
 644
 645         break;
 646       }
 647       case GLES::CommandType::END_RENDERPASS:
 648       {
 649         mCurrentContext->EndRenderPass(mTextureDependencyChecker);
 650
 651         // This sync object is to enable cpu to wait for rendering to complete, not gpu.
 652         // It's only needed for reading the framebuffer texture in the client.
 653         auto syncObject = const_cast<GLES::SyncObject*>(static_cast<const GLES::SyncObject*>(cmd.endRenderPass.syncObject));
 654         if(syncObject)
 655         {
 656           syncObject->InitializeResource();
 657         }
 658         break;
 659       }
 660       case GLES::CommandType::PRESENT_RENDER_TARGET:
 661       {
 662         ResolvePresentRenderTarget(cmd.presentRenderTarget.targetToPresent);
 663
 664         // The command buffer will be pushed into the queue of presentation command buffers
 665         // for further reuse.
 666         if(commandBuffer.GetCreateInfo().fixedCapacity == 1)
 667         {
 668           mPresentationCommandBuffers.push(&commandBuffer);
 669         }
 670         break;
 671       }
 672       case GLES::CommandType::EXECUTE_COMMAND_BUFFERS:
 673       {
 674         // Process secondary command buffers
 675         // todo: check validity of the secondaries
 676         //       there are operations which are illigal to be done
 677         //       within secondaries.
 678         auto buffers = cmd.executeCommandBuffers.buffers.Ptr();
 679         for(auto j = 0u; j < cmd.executeCommandBuffers.buffersCount; ++j)
 680         {
 681           auto& buf = buffers[j];
 682           ProcessCommandBuffer(*static_cast<const GLES::CommandBuffer*>(buf));
 683         }
 684         break;
 685       }
 686       case GLES::CommandType::DRAW_NATIVE:
 687       {
 688         auto* info = &cmd.drawNative.drawNativeInfo;
 689
 690         mCurrentContext->PrepareForNativeRendering();
 691
 692         if(info->glesNativeInfo.eglSharedContextStoragePointer)
 693         {
 694           auto* anyContext = reinterpret_cast<std::any*>(info->glesNativeInfo.eglSharedContextStoragePointer);
 695           *anyContext      = mSharedContext;
 696         }
 697
 698         CallbackBase::ExecuteReturn<bool>(*info->callback, info->userData);
 699
 700         mCurrentContext->RestoreFromNativeRendering();
 701         break;
 702       }
 703     }
 704   }
 705 }
 706
 707 void EglGraphicsController::ProcessCommandQueues()
 708 {
 709   DUMP_FRAME_START();
 710
 711   while(!mCommandQueue.empty())
 712   {
 713     auto cmdBuf = mCommandQueue.front();
 714     mCommandQueue.pop();
 715     DUMP_FRAME_COMMAND_BUFFER(cmdBuf);
 716     ProcessCommandBuffer(*cmdBuf);
 717   }
 718
 719   DUMP_FRAME_END();
 720 }
 721
 722 void EglGraphicsController::ProcessTextureUpdateQueue()
 723 {
 724   while(!mTextureUpdateRequests.empty())
 725   {
 726     TextureUpdateRequest& request = mTextureUpdateRequests.front();
 727
 728     auto& info   = request.first;
 729     auto& source = request.second;
 730
 731     switch(source.sourceType)
 732     {
 733       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 734       case Graphics::TextureUpdateSourceInfo::Type::PIXEL_DATA:
 735       {
 736         // GPU memory must be already allocated.
 737
 738         // Check if it needs conversion
 739         auto*       texture            = static_cast<GLES::Texture*>(info.dstTexture);
 740         const auto& createInfo         = texture->GetCreateInfo();
 741         auto        srcFormat          = GLES::GLTextureFormatType(info.srcFormat).format;
 742         auto        srcType            = GLES::GLTextureFormatType(info.srcFormat).type;
 743         auto        destInternalFormat = GLES::GLTextureFormatType(createInfo.format).internalFormat;
 744         auto        destFormat         = GLES::GLTextureFormatType(createInfo.format).format;
 745
 746         // From render-texture.cpp
 747         const bool isSubImage(info.dstOffset2D.x != 0 || info.dstOffset2D.y != 0 ||
 748                               info.srcExtent2D.width != (createInfo.size.width / (1 << info.level)) ||
 749                               info.srcExtent2D.height != (createInfo.size.height / (1 << info.level)));
 750
 751         uint8_t* sourceBuffer;
 752         if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 753         {
 754           sourceBuffer = reinterpret_cast<uint8_t*>(source.memorySource.memory);
 755         }
 756         else
 757         {
 758           // Get buffer of PixelData
 759           Dali::Integration::PixelDataBuffer pixelBufferData = Dali::Integration::GetPixelDataBuffer(source.pixelDataSource.pixelData);
 760
 761           sourceBuffer = pixelBufferData.buffer + info.srcOffset;
 762         }
 763
 764         auto                 sourceStride = info.srcStride;
 765         std::vector<uint8_t> tempBuffer;
 766
 767         if(mGlAbstraction->TextureRequiresConverting(srcFormat, destFormat, isSubImage))
 768         {
 769           // Convert RGB to RGBA if necessary.
 770           if(texture->TryConvertPixelData(sourceBuffer, info.srcFormat, createInfo.format, info.srcSize, info.srcStride, info.srcExtent2D.width, info.srcExtent2D.height, tempBuffer))
 771           {
 772             sourceBuffer = &tempBuffer[0];
 773             sourceStride = 0u; // Converted buffer compacted. make stride as 0.
 774             srcFormat    = destFormat;
 775             srcType      = GLES::GLTextureFormatType(createInfo.format).type;
 776           }
 777         }
 778
 779         // Calculate the maximum mipmap level for the texture
 780         texture->SetMaxMipMapLevel(std::max(texture->GetMaxMipMapLevel(), info.level));
 781
 782         GLenum bindTarget{GL_TEXTURE_2D};
 783         GLenum target{GL_TEXTURE_2D};
 784
 785         if(createInfo.textureType == Graphics::TextureType::TEXTURE_CUBEMAP)
 786         {
 787           bindTarget = GL_TEXTURE_CUBE_MAP;
 788           target     = GL_TEXTURE_CUBE_MAP_POSITIVE_X + info.layer;
 789         }
 790
 791         mGlAbstraction->PixelStorei(GL_UNPACK_ALIGNMENT, 1);
 792         mGlAbstraction->PixelStorei(GL_UNPACK_ROW_LENGTH, sourceStride);
 793
 794         mCurrentContext->BindTexture(bindTarget, texture->GetTextureTypeId(), texture->GetGLTexture());
 795
 796         if(!isSubImage)
 797         {
 798           if(!texture->IsCompressed())
 799           {
 800             mGlAbstraction->TexImage2D(target,
 801                                        info.level,
 802                                        destInternalFormat,
 803                                        info.srcExtent2D.width,
 804                                        info.srcExtent2D.height,
 805                                        0,
 806                                        srcFormat,
 807                                        srcType,
 808                                        sourceBuffer);
 809           }
 810           else
 811           {
 812             mGlAbstraction->CompressedTexImage2D(target,
 813                                                  info.level,
 814                                                  destInternalFormat,
 815                                                  info.srcExtent2D.width,
 816                                                  info.srcExtent2D.height,
 817                                                  0,
 818                                                  info.srcSize,
 819                                                  sourceBuffer);
 820           }
 821         }
 822         else
 823         {
 824           if(!texture->IsCompressed())
 825           {
 826             mGlAbstraction->TexSubImage2D(target,
 827                                           info.level,
 828                                           info.dstOffset2D.x,
 829                                           info.dstOffset2D.y,
 830                                           info.srcExtent2D.width,
 831                                           info.srcExtent2D.height,
 832                                           srcFormat,
 833                                           srcType,
 834                                           sourceBuffer);
 835           }
 836           else
 837           {
 838             mGlAbstraction->CompressedTexSubImage2D(target,
 839                                                     info.level,
 840                                                     info.dstOffset2D.x,
 841                                                     info.dstOffset2D.y,
 842                                                     info.srcExtent2D.width,
 843                                                     info.srcExtent2D.height,
 844                                                     srcFormat,
 845                                                     info.srcSize,
 846                                                     sourceBuffer);
 847           }
 848         }
 849
 850         if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 851         {
 852           // free staging memory
 853           free(source.memorySource.memory);
 854         }
 855         break;
 856       }
 857       default:
 858       {
 859         // TODO: other sources
 860         break;
 861       }
 862     }
 863
 864     mTextureUpdateRequests.pop();
 865   }
 866 }
 867
 868 void EglGraphicsController::UpdateTextures(const std::vector<TextureUpdateInfo>&       updateInfoList,
 869                                            const std::vector<TextureUpdateSourceInfo>& sourceList)
 870 {
 871   // Store updates
 872   for(auto& info : updateInfoList)
 873   {
 874     mTextureUpdateRequests.push(std::make_pair(info, sourceList[info.srcReference]));
 875     auto& pair = mTextureUpdateRequests.back();
 876     switch(pair.second.sourceType)
 877     {
 878       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 879       {
 880         auto& info   = pair.first;
 881         auto& source = pair.second;
 882
 883         // allocate staging memory and copy the data
 884         // TODO: using PBO with GLES3, this is just naive
 885         // oldschool way
 886
 887         uint8_t* stagingBuffer = reinterpret_cast<uint8_t*>(malloc(info.srcSize));
 888
 889         uint8_t* srcMemory = &reinterpret_cast<uint8_t*>(source.memorySource.memory)[info.srcOffset];
 890
 891         std::copy(srcMemory, srcMemory + info.srcSize, stagingBuffer);
 892
 893         mTextureUploadTotalCPUMemoryUsed += info.srcSize;
 894
 895         // store staging buffer
 896         source.memorySource.memory = stagingBuffer;
 897         break;
 898       }
 899       case Graphics::TextureUpdateSourceInfo::Type::PIXEL_DATA:
 900       {
 901         // Increase CPU memory usage since ownership of PixelData is now on mTextureUpdateRequests.
 902         mTextureUploadTotalCPUMemoryUsed += info.srcSize;
 903         break;
 904       }
 905       case Graphics::TextureUpdateSourceInfo::Type::BUFFER:
 906       {
 907         // TODO, with PBO support
 908         break;
 909       }
 910       case Graphics::TextureUpdateSourceInfo::Type::TEXTURE:
 911       {
 912         // TODO texture 2 texture in-GPU copy
 913         break;
 914       }
 915     }
 916   }
 917
 918   // If upload buffer exceeds maximum size, flush.
 919   if(mTextureUploadTotalCPUMemoryUsed > TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB * 1024 * 1024)
 920   {
 921     Flush();
 922     mTextureUploadTotalCPUMemoryUsed = 0;
 923   }
 924 }
 925
 926 void EglGraphicsController::ProcessTextureMipmapGenerationQueue()
 927 {
 928   while(!mTextureMipmapGenerationRequests.empty())
 929   {
 930     auto* texture = mTextureMipmapGenerationRequests.front();
 931
 932     mCurrentContext->BindTexture(texture->GetGlTarget(), texture->GetTextureTypeId(), texture->GetGLTexture());
 933     mCurrentContext->GenerateMipmap(texture->GetGlTarget());
 934
 935     mTextureMipmapGenerationRequests.pop();
 936   }
 937 }
 938
 939 void EglGraphicsController::GenerateTextureMipmaps(const Graphics::Texture& texture)
 940 {
 941   mTextureMipmapGenerationRequests.push(static_cast<const GLES::Texture*>(&texture));
 942 }
 943
 944 Graphics::UniquePtr<Memory> EglGraphicsController::MapBufferRange(const MapBufferInfo& mapInfo)
 945 {
 946   // Mapping buffer requires the object to be created NOW
 947   // Workaround - flush now, otherwise there will be given a staging buffer
 948   // in case when the buffer is not there yet
 949   if(!mCreateBufferQueue.empty())
 950   {
 951     mGraphics->ActivateResourceContext();
 952     ProcessCreateQueues();
 953   }
 954
 955   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 956   {
 957     return Graphics::UniquePtr<Memory>(new GLES::Memory2(mapInfo, *this));
 958   }
 959   else
 960   {
 961     return Graphics::UniquePtr<Memory>(new GLES::Memory3(mapInfo, *this));
 962   }
 963 }
 964
 965 bool EglGraphicsController::GetProgramParameter(Graphics::Program& program, uint32_t parameterId, void* outData)
 966 {
 967   return static_cast<GLES::Program*>(&program)->GetImplementation()->GetParameter(parameterId, outData);
 968 }
 969
 970 GLES::PipelineCache& EglGraphicsController::GetPipelineCache() const
 971 {
 972   return *mPipelineCache;
 973 }
 974
 975 Graphics::Texture* EglGraphicsController::CreateTextureByResourceId(uint32_t resourceId, const Graphics::TextureCreateInfo& createInfo)
 976 {
 977   Graphics::Texture*                     ret = nullptr;
 978   Graphics::UniquePtr<Graphics::Texture> texture;
 979
 980   auto iter = mExternalTextureResources.find(resourceId);
 981   DALI_ASSERT_ALWAYS(iter == mExternalTextureResources.end());
 982
 983   texture = CreateTexture(createInfo, std::move(texture));
 984
 985   ret = texture.get();
 986
 987   mExternalTextureResources.insert(std::make_pair(resourceId, std::move(texture)));
 988
 989   return ret;
 990 }
 991
 992 void EglGraphicsController::DiscardTextureFromResourceId(uint32_t resourceId)
 993 {
 994   auto iter = mExternalTextureResources.find(resourceId);
 995   if(iter != mExternalTextureResources.end())
 996   {
 997     mExternalTextureResources.erase(iter);
 998   }
 999 }
1000
1001 Graphics::Texture* EglGraphicsController::GetTextureFromResourceId(uint32_t resourceId)
1002 {
1003   Graphics::Texture* ret = nullptr;
1004
1005   auto iter = mExternalTextureResources.find(resourceId);
1006   if(iter != mExternalTextureResources.end())
1007   {
1008     ret = iter->second.get();
1009   }
1010
1011   return ret;
1012 }
1013
1014 Graphics::UniquePtr<Graphics::Texture> EglGraphicsController::ReleaseTextureFromResourceId(uint32_t resourceId)
1015 {
1016   Graphics::UniquePtr<Graphics::Texture> texture;
1017
1018   auto iter = mExternalTextureResources.find(resourceId);
1019   if(iter != mExternalTextureResources.end())
1020   {
1021     texture = std::move(iter->second);
1022     mExternalTextureResources.erase(iter);
1023   }
1024
1025   return texture;
1026 }
1027
1028 } // namespace Dali::Graphics