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

   1 /*
   2  * Copyright (c) 2021 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 // Uncomment the following define to turn on frame dumping
  41 //#define ENABLE_COMMAND_BUFFER_FRAME_DUMP 1
  42 #include <dali/internal/graphics/gles-impl/egl-graphics-controller-debug.h>
  43 DUMP_FRAME_INIT();
  44
  45 namespace Dali::Graphics
  46 {
  47 namespace
  48 {
  49 /**
  50  * @brief Custom deleter for all Graphics objects created
  51  * with use of the Controller.
  52  *
  53  * When Graphics object dies the unique pointer (Graphics::UniquePtr)
  54  * doesn't destroy it directly but passes the ownership back
  55  * to the Controller. The GLESDeleter is responsible for passing
  56  * the object to the discard queue (by calling Resource::DiscardResource()).
  57  */
  58 template<typename T>
  59 struct GLESDeleter
  60 {
  61   GLESDeleter() = default;
  62
  63   void operator()(T* object)
  64   {
  65     // Discard resource (add it to discard queue)
  66     object->DiscardResource();
  67   }
  68 };
  69
  70 /**
  71  * @brief Helper function allocating graphics object
  72  *
  73  * @param[in] info Create info structure
  74  * @param[in] controller Controller object
  75  * @param[out] out Unique pointer to the return object
  76  */
  77 template<class GLESType, class GfxCreateInfo, class T>
  78 auto NewObject(const GfxCreateInfo& info, EglGraphicsController& controller, T&& oldObject)
  79 {
  80   // Use allocator
  81   using Type = typename T::element_type;
  82   using UPtr = Graphics::UniquePtr<Type>;
  83   if(info.allocationCallbacks)
  84   {
  85     auto* memory = info.allocationCallbacks->allocCallback(
  86       sizeof(GLESType),
  87       0,
  88       info.allocationCallbacks->userData);
  89     return UPtr(new(memory) GLESType(info, controller), GLESDeleter<GLESType>());
  90   }
  91   else // Use standard allocator
  92   {
  93     return UPtr(new GLESType(info, controller), GLESDeleter<GLESType>());
  94   }
  95 }
  96
  97 template<class T0, class T1>
  98 T0* CastObject(T1* apiObject)
  99 {
 100   return static_cast<T0*>(apiObject);
 101 }
 102
 103 // Maximum size of texture upload buffer.
 104 const uint32_t TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB = 1;
 105
 106 } // namespace
 107
 108 EglGraphicsController::~EglGraphicsController() = default;
 109
 110 void EglGraphicsController::InitializeGLES(Integration::GlAbstraction& glAbstraction)
 111 {
 112   DALI_LOG_RELEASE_INFO("Initializing New Graphics Controller #1\n");
 113   mGlAbstraction  = &glAbstraction;
 114   mContext        = std::make_unique<GLES::Context>(*this);
 115   mCurrentContext = mContext.get();
 116 }
 117
 118 void EglGraphicsController::Initialize(Integration::GraphicsSyncAbstraction&    syncImplementation,
 119                                        Integration::GlContextHelperAbstraction& glContextHelperAbstraction,
 120                                        Internal::Adaptor::GraphicsInterface&    graphicsInterface)
 121 {
 122   DALI_LOG_RELEASE_INFO("Initializing New Graphics Controller #2\n");
 123   auto* syncImplPtr = static_cast<Internal::Adaptor::EglSyncImplementation*>(&syncImplementation);
 124
 125   mEglSyncImplementation      = syncImplPtr;
 126   mGlContextHelperAbstraction = &glContextHelperAbstraction;
 127   mGraphics                   = &graphicsInterface;
 128 }
 129
 130 void EglGraphicsController::SubmitCommandBuffers(const SubmitInfo& submitInfo)
 131 {
 132   for(auto& cmdbuf : submitInfo.cmdBuffer)
 133   {
 134     // Push command buffers
 135     mCommandQueue.push(static_cast<GLES::CommandBuffer*>(cmdbuf));
 136   }
 137
 138   // If flush bit set, flush all pending tasks
 139   if(submitInfo.flags & (0 | SubmitFlagBits::FLUSH))
 140   {
 141     Flush();
 142   }
 143 }
 144
 145 void EglGraphicsController::PresentRenderTarget(RenderTarget* renderTarget)
 146 {
 147   // Use command buffer to execute presentation (we should pool it)
 148   CommandBufferCreateInfo info;
 149   info.SetLevel(CommandBufferLevel::PRIMARY);
 150   info.fixedCapacity        = 1; // only one command
 151   auto presentCommandBuffer = new GLES::CommandBuffer(info, *this);
 152   presentCommandBuffer->PresentRenderTarget(static_cast<GLES::RenderTarget*>(renderTarget));
 153   SubmitInfo submitInfo;
 154   submitInfo.cmdBuffer = {presentCommandBuffer};
 155   submitInfo.flags     = 0 | SubmitFlagBits::FLUSH;
 156   SubmitCommandBuffers(submitInfo);
 157 }
 158
 159 void EglGraphicsController::ResolvePresentRenderTarget(GLES::RenderTarget* renderTarget)
 160 {
 161   mCurrentContext->InvalidateDepthStencilBuffers();
 162
 163   auto* rt = static_cast<GLES::RenderTarget*>(renderTarget);
 164   if(rt->GetCreateInfo().surface)
 165   {
 166     auto* surfaceInterface = reinterpret_cast<Dali::RenderSurfaceInterface*>(rt->GetCreateInfo().surface);
 167     surfaceInterface->MakeContextCurrent();
 168     surfaceInterface->PostRender();
 169   }
 170 }
 171
 172 Integration::GlAbstraction& EglGraphicsController::GetGlAbstraction()
 173 {
 174   DALI_ASSERT_DEBUG(mGlAbstraction && "Graphics controller not initialized");
 175   return *mGlAbstraction;
 176 }
 177
 178 Integration::GlContextHelperAbstraction& EglGraphicsController::GetGlContextHelperAbstraction()
 179 {
 180   DALI_ASSERT_DEBUG(mGlContextHelperAbstraction && "Graphics controller not initialized");
 181   return *mGlContextHelperAbstraction;
 182 }
 183
 184 Internal::Adaptor::EglSyncImplementation& EglGraphicsController::GetEglSyncImplementation()
 185 {
 186   DALI_ASSERT_DEBUG(mEglSyncImplementation && "Sync implementation not initialized");
 187   return *mEglSyncImplementation;
 188 }
 189
 190 Graphics::UniquePtr<CommandBuffer> EglGraphicsController::CreateCommandBuffer(
 191   const CommandBufferCreateInfo&       commandBufferCreateInfo,
 192   Graphics::UniquePtr<CommandBuffer>&& oldCommandBuffer)
 193 {
 194   return NewObject<GLES::CommandBuffer>(commandBufferCreateInfo, *this, std::move(oldCommandBuffer));
 195 }
 196
 197 Graphics::UniquePtr<RenderPass> EglGraphicsController::CreateRenderPass(const RenderPassCreateInfo& renderPassCreateInfo, Graphics::UniquePtr<RenderPass>&& oldRenderPass)
 198 {
 199   return NewObject<GLES::RenderPass>(renderPassCreateInfo, *this, std::move(oldRenderPass));
 200 }
 201
 202 Graphics::UniquePtr<Texture>
 203 EglGraphicsController::CreateTexture(const TextureCreateInfo& textureCreateInfo, Graphics::UniquePtr<Texture>&& oldTexture)
 204 {
 205   return NewObject<GLES::Texture>(textureCreateInfo, *this, std::move(oldTexture));
 206 }
 207
 208 Graphics::UniquePtr<Buffer> EglGraphicsController::CreateBuffer(
 209   const BufferCreateInfo& bufferCreateInfo, Graphics::UniquePtr<Buffer>&& oldBuffer)
 210 {
 211   return NewObject<GLES::Buffer>(bufferCreateInfo, *this, std::move(oldBuffer));
 212 }
 213
 214 Graphics::UniquePtr<Framebuffer> EglGraphicsController::CreateFramebuffer(
 215   const FramebufferCreateInfo& framebufferCreateInfo, Graphics::UniquePtr<Framebuffer>&& oldFramebuffer)
 216 {
 217   return NewObject<GLES::Framebuffer>(framebufferCreateInfo, *this, std::move(oldFramebuffer));
 218 }
 219
 220 Graphics::UniquePtr<Pipeline> EglGraphicsController::CreatePipeline(
 221   const PipelineCreateInfo& pipelineCreateInfo, Graphics::UniquePtr<Graphics::Pipeline>&& oldPipeline)
 222 {
 223   // Create pipeline cache if needed
 224   if(!mPipelineCache)
 225   {
 226     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 227   }
 228
 229   return mPipelineCache->GetPipeline(pipelineCreateInfo, std::move(oldPipeline));
 230 }
 231
 232 Graphics::UniquePtr<Program> EglGraphicsController::CreateProgram(
 233   const ProgramCreateInfo& programCreateInfo, UniquePtr<Program>&& oldProgram)
 234 {
 235   // Create program cache if needed
 236   if(!mPipelineCache)
 237   {
 238     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 239   }
 240
 241   return mPipelineCache->GetProgram(programCreateInfo, std::move(oldProgram));
 242 }
 243
 244 Graphics::UniquePtr<Shader> EglGraphicsController::CreateShader(const ShaderCreateInfo& shaderCreateInfo, Graphics::UniquePtr<Shader>&& oldShader)
 245 {
 246   return NewObject<GLES::Shader>(shaderCreateInfo, *this, std::move(oldShader));
 247 }
 248
 249 Graphics::UniquePtr<Sampler> EglGraphicsController::CreateSampler(const SamplerCreateInfo& samplerCreateInfo, Graphics::UniquePtr<Sampler>&& oldSampler)
 250 {
 251   return NewObject<GLES::Sampler>(samplerCreateInfo, *this, std::move(oldSampler));
 252 }
 253
 254 Graphics::UniquePtr<RenderTarget> EglGraphicsController::CreateRenderTarget(const RenderTargetCreateInfo& renderTargetCreateInfo, Graphics::UniquePtr<RenderTarget>&& oldRenderTarget)
 255 {
 256   return NewObject<GLES::RenderTarget>(renderTargetCreateInfo, *this, std::move(oldRenderTarget));
 257 }
 258
 259 Graphics::UniquePtr<SyncObject> EglGraphicsController::CreateSyncObject(const SyncObjectCreateInfo& syncObjectCreateInfo,
 260                                                                         UniquePtr<SyncObject>&&     oldSyncObject)
 261 {
 262   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 263   {
 264     return NewObject<EGL::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 265   }
 266   else
 267   {
 268     return NewObject<GLES::SyncObject>(syncObjectCreateInfo, *this, std::move(oldSyncObject));
 269   }
 270 }
 271
 272 const Graphics::Reflection& EglGraphicsController::GetProgramReflection(const Graphics::Program& program)
 273 {
 274   return static_cast<const Graphics::GLES::Program*>(&program)->GetReflection();
 275 }
 276
 277 void EglGraphicsController::CreateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 278 {
 279   std::unique_ptr<GLES::Context> context = std::make_unique<GLES::Context>(*this);
 280   mSurfaceContexts.push_back(std::move(std::make_pair(surface, std::move(context))));
 281 }
 282
 283 void EglGraphicsController::DeleteSurfaceContext(Dali::RenderSurfaceInterface* surface)
 284 {
 285   mSurfaceContexts.erase(std::remove_if(
 286                            mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) { return surface == iter.first; }),
 287                          mSurfaceContexts.end());
 288 }
 289
 290 void EglGraphicsController::ActivateResourceContext()
 291 {
 292   mCurrentContext = mContext.get();
 293   mCurrentContext->GlContextCreated();
 294 }
 295
 296 void EglGraphicsController::ActivateSurfaceContext(Dali::RenderSurfaceInterface* surface)
 297 {
 298   if(surface && mGraphics->IsResourceContextSupported())
 299   {
 300     auto iter = std::find_if(mSurfaceContexts.begin(), mSurfaceContexts.end(), [surface](SurfaceContextPair& iter) {
 301       return (iter.first == surface);
 302     });
 303
 304     if(iter != mSurfaceContexts.end())
 305     {
 306       mCurrentContext = iter->second.get();
 307       mCurrentContext->GlContextCreated();
 308     }
 309   }
 310 }
 311
 312 void EglGraphicsController::AddTexture(GLES::Texture& texture)
 313 {
 314   // Assuming we are on the correct context
 315   mCreateTextureQueue.push(&texture);
 316 }
 317
 318 void EglGraphicsController::AddBuffer(GLES::Buffer& buffer)
 319 {
 320   // Assuming we are on the correct context
 321   mCreateBufferQueue.push(&buffer);
 322 }
 323
 324 void EglGraphicsController::AddFramebuffer(GLES::Framebuffer& framebuffer)
 325 {
 326   // Assuming we are on the correct context
 327   mCreateFramebufferQueue.push(&framebuffer);
 328 }
 329
 330 void EglGraphicsController::ProcessDiscardQueues()
 331 {
 332   // Process textures
 333   ProcessDiscardQueue<GLES::Texture>(mDiscardTextureQueue);
 334
 335   // Process buffers
 336   ProcessDiscardQueue<GLES::Buffer>(mDiscardBufferQueue);
 337
 338   // Process Framebuffers
 339   ProcessDiscardQueue<GLES::Framebuffer>(mDiscardFramebufferQueue);
 340
 341   // Process pipelines
 342   ProcessDiscardQueue(mDiscardPipelineQueue);
 343
 344   // Process programs
 345   ProcessDiscardQueue<GLES::Program>(mDiscardProgramQueue);
 346
 347   // Process shaders
 348   ProcessDiscardQueue<GLES::Shader>(mDiscardShaderQueue);
 349
 350   // Process samplers
 351   ProcessDiscardQueue<GLES::Sampler>(mDiscardSamplerQueue);
 352
 353   // Process command buffers
 354   ProcessDiscardQueue<GLES::CommandBuffer>(mDiscardCommandBufferQueue);
 355 }
 356
 357 void EglGraphicsController::ProcessCreateQueues()
 358 {
 359   // Process textures
 360   ProcessCreateQueue(mCreateTextureQueue);
 361
 362   // Process buffers
 363   ProcessCreateQueue(mCreateBufferQueue);
 364
 365   // Process framebuffers
 366   ProcessCreateQueue(mCreateFramebufferQueue);
 367 }
 368
 369 void EglGraphicsController::ProcessCommandBuffer(const GLES::CommandBuffer& commandBuffer)
 370 {
 371   for(auto& cmd : commandBuffer.GetCommands())
 372   {
 373     // process command
 374     switch(cmd.type)
 375     {
 376       case GLES::CommandType::FLUSH:
 377       {
 378         // Nothing to do here
 379         break;
 380       }
 381       case GLES::CommandType::BIND_TEXTURES:
 382       {
 383         mCurrentContext->BindTextures(cmd.bindTextures.textureBindings);
 384         break;
 385       }
 386       case GLES::CommandType::BIND_VERTEX_BUFFERS:
 387       {
 388         auto& bindings = cmd.bindVertexBuffers.vertexBufferBindings;
 389         mCurrentContext->BindVertexBuffers(bindings);
 390         break;
 391       }
 392       case GLES::CommandType::BIND_UNIFORM_BUFFER:
 393       {
 394         auto& bindings = cmd.bindUniformBuffers;
 395         mCurrentContext->BindUniformBuffers(bindings.uniformBufferBindings, bindings.standaloneUniformsBufferBinding);
 396         break;
 397       }
 398       case GLES::CommandType::BIND_INDEX_BUFFER:
 399       {
 400         mCurrentContext->BindIndexBuffer(cmd.bindIndexBuffer);
 401         break;
 402       }
 403       case GLES::CommandType::BIND_SAMPLERS:
 404       {
 405         break;
 406       }
 407       case GLES::CommandType::BIND_PIPELINE:
 408       {
 409         auto pipeline = static_cast<const GLES::Pipeline*>(cmd.bindPipeline.pipeline);
 410         mCurrentContext->BindPipeline(pipeline);
 411         break;
 412       }
 413       case GLES::CommandType::DRAW:
 414       {
 415         mCurrentContext->Flush(false, cmd.draw);
 416         break;
 417       }
 418       case GLES::CommandType::DRAW_INDEXED:
 419       {
 420         mCurrentContext->Flush(false, cmd.draw);
 421         break;
 422       }
 423       case GLES::CommandType::DRAW_INDEXED_INDIRECT:
 424       {
 425         mCurrentContext->Flush(false, cmd.draw);
 426         break;
 427       }
 428       case GLES::CommandType::SET_SCISSOR: // @todo Consider correcting for orientation here?
 429       {
 430         mGlAbstraction->Scissor(cmd.scissor.region.x, cmd.scissor.region.y, cmd.scissor.region.width, cmd.scissor.region.height);
 431         break;
 432       }
 433       case GLES::CommandType::SET_SCISSOR_TEST:
 434       {
 435         mCurrentContext->SetScissorTestEnabled(cmd.scissorTest.enable);
 436         break;
 437       }
 438       case GLES::CommandType::SET_VIEWPORT: // @todo Consider correcting for orientation here?
 439       {
 440         mGlAbstraction->Viewport(cmd.viewport.region.x, cmd.viewport.region.y, cmd.viewport.region.width, cmd.viewport.region.height);
 441         break;
 442       }
 443
 444       case GLES::CommandType::SET_COLOR_MASK:
 445       {
 446         mCurrentContext->ColorMask(cmd.colorMask.enabled);
 447         break;
 448       }
 449       case GLES::CommandType::CLEAR_STENCIL_BUFFER:
 450       {
 451         mCurrentContext->ClearStencilBuffer();
 452         break;
 453       }
 454       case GLES::CommandType::CLEAR_DEPTH_BUFFER:
 455       {
 456         mCurrentContext->ClearDepthBuffer();
 457         break;
 458       }
 459
 460       case GLES::CommandType::SET_STENCIL_TEST_ENABLE:
 461       {
 462         mCurrentContext->SetStencilTestEnable(cmd.stencilTest.enabled);
 463         break;
 464       }
 465
 466       case GLES::CommandType::SET_STENCIL_FUNC:
 467       {
 468         mCurrentContext->StencilFunc(cmd.stencilFunc.compareOp,
 469                                      cmd.stencilFunc.reference,
 470                                      cmd.stencilFunc.compareMask);
 471         break;
 472       }
 473
 474       case GLES::CommandType::SET_STENCIL_WRITE_MASK:
 475       {
 476         mCurrentContext->StencilMask(cmd.stencilWriteMask.mask);
 477         break;
 478       }
 479
 480       case GLES::CommandType::SET_STENCIL_OP:
 481       {
 482         mCurrentContext->StencilOp(cmd.stencilOp.failOp,
 483                                    cmd.stencilOp.depthFailOp,
 484                                    cmd.stencilOp.passOp);
 485         break;
 486       }
 487
 488       case GLES::CommandType::SET_DEPTH_COMPARE_OP:
 489       {
 490         mCurrentContext->SetDepthCompareOp(cmd.depth.compareOp);
 491         break;
 492       }
 493       case GLES::CommandType::SET_DEPTH_TEST_ENABLE:
 494       {
 495         mCurrentContext->SetDepthTestEnable(cmd.depth.testEnabled);
 496         break;
 497       }
 498       case GLES::CommandType::SET_DEPTH_WRITE_ENABLE:
 499       {
 500         mCurrentContext->SetDepthWriteEnable(cmd.depth.writeEnabled);
 501         break;
 502       }
 503
 504       case GLES::CommandType::BEGIN_RENDERPASS:
 505       {
 506         auto&       renderTarget = *cmd.beginRenderPass.renderTarget;
 507         const auto& targetInfo   = renderTarget.GetCreateInfo();
 508
 509         if(targetInfo.surface)
 510         {
 511           // switch to surface context
 512           mGraphics->ActivateSurfaceContext(static_cast<Dali::RenderSurfaceInterface*>(targetInfo.surface));
 513         }
 514         else if(targetInfo.framebuffer)
 515         {
 516           // switch to resource context
 517           mGraphics->ActivateResourceContext();
 518         }
 519
 520         mCurrentContext->BeginRenderPass(cmd.beginRenderPass);
 521         break;
 522       }
 523       case GLES::CommandType::END_RENDERPASS:
 524       {
 525         mCurrentContext->EndRenderPass();
 526
 527         auto syncObject = const_cast<GLES::SyncObject*>(static_cast<const GLES::SyncObject*>(cmd.endRenderPass.syncObject));
 528         if(syncObject)
 529         {
 530           syncObject->InitializeResource();
 531         }
 532         break;
 533       }
 534       case GLES::CommandType::PRESENT_RENDER_TARGET:
 535       {
 536         ResolvePresentRenderTarget(cmd.presentRenderTarget.targetToPresent);
 537
 538         // push this command buffer to the discard queue
 539         mDiscardCommandBufferQueue.push(const_cast<GLES::CommandBuffer*>(&commandBuffer));
 540         break;
 541       }
 542       case GLES::CommandType::EXECUTE_COMMAND_BUFFERS:
 543       {
 544         // Process secondary command buffers
 545         // todo: check validity of the secondaries
 546         //       there are operations which are illigal to be done
 547         //       within secondaries.
 548         for(auto& buf : cmd.executeCommandBuffers.buffers)
 549         {
 550           ProcessCommandBuffer(*static_cast<const GLES::CommandBuffer*>(buf));
 551         }
 552         break;
 553       }
 554     }
 555   }
 556 }
 557
 558 void EglGraphicsController::ProcessCommandQueues()
 559 {
 560   // TODO: command queue per context, sync between queues should be
 561   // done externally
 562   currentFramebuffer = nullptr;
 563
 564   DUMP_FRAME_START();
 565
 566   while(!mCommandQueue.empty())
 567   {
 568     auto cmdBuf = mCommandQueue.front();
 569     mCommandQueue.pop();
 570     DUMP_FRAME_COMMAND_BUFFER(cmdBuf);
 571     ProcessCommandBuffer(*cmdBuf);
 572   }
 573
 574   DUMP_FRAME_END();
 575 }
 576
 577 void EglGraphicsController::ProcessTextureUpdateQueue()
 578 {
 579   while(!mTextureUpdateRequests.empty())
 580   {
 581     TextureUpdateRequest& request = mTextureUpdateRequests.front();
 582
 583     auto& info   = request.first;
 584     auto& source = request.second;
 585
 586     if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 587     {
 588       // GPU memory must be already allocated.
 589
 590       // Check if it needs conversion
 591       auto*       texture            = static_cast<GLES::Texture*>(info.dstTexture);
 592       const auto& createInfo         = texture->GetCreateInfo();
 593       auto        srcFormat          = GLES::GLTextureFormatType(info.srcFormat).format;
 594       auto        srcType            = GLES::GLTextureFormatType(info.srcFormat).type;
 595       auto        destInternalFormat = GLES::GLTextureFormatType(createInfo.format).internalFormat;
 596       auto        destFormat         = GLES::GLTextureFormatType(createInfo.format).format;
 597
 598       // From render-texture.cpp
 599       const bool isSubImage(info.dstOffset2D.x != 0 || info.dstOffset2D.y != 0 ||
 600                             info.srcExtent2D.width != (createInfo.size.width / (1 << info.level)) ||
 601                             info.srcExtent2D.height != (createInfo.size.height / (1 << info.level)));
 602
 603       auto*                sourceBuffer = reinterpret_cast<uint8_t*>(source.memorySource.memory);
 604       std::vector<uint8_t> tempBuffer;
 605       if(mGlAbstraction->TextureRequiresConverting(srcFormat, destFormat, isSubImage))
 606       {
 607         // Convert RGB to RGBA if necessary.
 608         texture->TryConvertPixelData(source.memorySource.memory, info.srcFormat, createInfo.format, info.srcSize, info.srcExtent2D.width, info.srcExtent2D.height, tempBuffer);
 609         sourceBuffer = &tempBuffer[0];
 610         srcFormat    = destFormat;
 611         srcType      = GLES::GLTextureFormatType(createInfo.format).type;
 612       }
 613
 614       // Calculate the maximum mipmap level for the texture
 615       texture->SetMaxMipMapLevel(std::max(texture->GetMaxMipMapLevel(), info.level));
 616
 617       GLenum bindTarget{GL_TEXTURE_2D};
 618       GLenum target{GL_TEXTURE_2D};
 619
 620       if(createInfo.textureType == Graphics::TextureType::TEXTURE_CUBEMAP)
 621       {
 622         bindTarget = GL_TEXTURE_CUBE_MAP;
 623         target     = GL_TEXTURE_CUBE_MAP_POSITIVE_X + info.layer;
 624       }
 625
 626       mGlAbstraction->PixelStorei(GL_UNPACK_ALIGNMENT, 1);
 627       mCurrentContext->BindTexture(bindTarget, texture->GetTextureTypeId(), texture->GetGLTexture());
 628
 629       if(!isSubImage)
 630       {
 631         if(!texture->IsCompressed())
 632         {
 633           mGlAbstraction->TexImage2D(target,
 634                                      info.level,
 635                                      destInternalFormat,
 636                                      info.srcExtent2D.width,
 637                                      info.srcExtent2D.height,
 638                                      0,
 639                                      srcFormat,
 640                                      srcType,
 641                                      sourceBuffer);
 642         }
 643         else
 644         {
 645           mGlAbstraction->CompressedTexImage2D(target,
 646                                                info.level,
 647                                                destInternalFormat,
 648                                                info.srcExtent2D.width,
 649                                                info.srcExtent2D.height,
 650                                                0,
 651                                                info.srcSize,
 652                                                sourceBuffer);
 653         }
 654       }
 655       else
 656       {
 657         if(!texture->IsCompressed())
 658         {
 659           mGlAbstraction->TexSubImage2D(target,
 660                                         info.level,
 661                                         info.dstOffset2D.x,
 662                                         info.dstOffset2D.y,
 663                                         info.srcExtent2D.width,
 664                                         info.srcExtent2D.height,
 665                                         srcFormat,
 666                                         srcType,
 667                                         sourceBuffer);
 668         }
 669         else
 670         {
 671           mGlAbstraction->CompressedTexSubImage2D(target,
 672                                                   info.level,
 673                                                   info.dstOffset2D.x,
 674                                                   info.dstOffset2D.y,
 675                                                   info.srcExtent2D.width,
 676                                                   info.srcExtent2D.height,
 677                                                   srcFormat,
 678                                                   info.srcSize,
 679                                                   sourceBuffer);
 680         }
 681       }
 682       // free staging memory
 683       free(source.memorySource.memory);
 684     }
 685     else
 686     {
 687       // TODO: other sources
 688     }
 689
 690     mTextureUpdateRequests.pop();
 691   }
 692 }
 693
 694 void EglGraphicsController::UpdateTextures(const std::vector<TextureUpdateInfo>&       updateInfoList,
 695                                            const std::vector<TextureUpdateSourceInfo>& sourceList)
 696 {
 697   // Store updates
 698   for(auto& info : updateInfoList)
 699   {
 700     mTextureUpdateRequests.push(std::make_pair(info, sourceList[info.srcReference]));
 701     auto& pair = mTextureUpdateRequests.back();
 702     switch(pair.second.sourceType)
 703     {
 704       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 705       {
 706         auto& info   = pair.first;
 707         auto& source = pair.second;
 708
 709         // allocate staging memory and copy the data
 710         // TODO: using PBO with GLES3, this is just naive
 711         // oldschool way
 712
 713         char* stagingBuffer = reinterpret_cast<char*>(malloc(info.srcSize));
 714         std::copy(&reinterpret_cast<char*>(source.memorySource.memory)[info.srcOffset],
 715                   reinterpret_cast<char*>(source.memorySource.memory) + info.srcSize,
 716                   stagingBuffer);
 717
 718         mTextureUploadTotalCPUMemoryUsed += info.srcSize;
 719
 720         // store staging buffer
 721         source.memorySource.memory = stagingBuffer;
 722         break;
 723       }
 724       case Graphics::TextureUpdateSourceInfo::Type::BUFFER:
 725       {
 726         // TODO, with PBO support
 727         break;
 728       }
 729       case Graphics::TextureUpdateSourceInfo::Type::TEXTURE:
 730       {
 731         // TODO texture 2 texture in-GPU copy
 732         break;
 733       }
 734     }
 735   }
 736
 737   // If upload buffer exceeds maximum size, flush.
 738   if(mTextureUploadTotalCPUMemoryUsed > TEXTURE_UPLOAD_MAX_BUFER_SIZE_MB * 1024)
 739   {
 740     Flush();
 741     mTextureUploadTotalCPUMemoryUsed = 0;
 742   }
 743 }
 744
 745 void EglGraphicsController::ProcessTextureMipmapGenerationQueue()
 746 {
 747   while(!mTextureMipmapGenerationRequests.empty())
 748   {
 749     auto* texture = mTextureMipmapGenerationRequests.front();
 750
 751     mCurrentContext->BindTexture(texture->GetGlTarget(), texture->GetTextureTypeId(), texture->GetGLTexture());
 752     mCurrentContext->GenerateMipmap(texture->GetGlTarget());
 753
 754     mTextureMipmapGenerationRequests.pop();
 755   }
 756 }
 757
 758 void EglGraphicsController::GenerateTextureMipmaps(const Graphics::Texture& texture)
 759 {
 760   mTextureMipmapGenerationRequests.push(static_cast<const GLES::Texture*>(&texture));
 761 }
 762
 763 Graphics::UniquePtr<Memory> EglGraphicsController::MapBufferRange(const MapBufferInfo& mapInfo)
 764 {
 765   mGraphics->ActivateResourceContext();
 766
 767   // Mapping buffer requires the object to be created NOW
 768   // Workaround - flush now, otherwise there will be given a staging buffer
 769   // in case when the buffer is not there yet
 770   ProcessCreateQueues();
 771
 772   if(GetGLESVersion() < GLES::GLESVersion::GLES_30)
 773   {
 774     return Graphics::UniquePtr<Memory>(new GLES::Memory2(mapInfo, *this));
 775   }
 776   else
 777   {
 778     return Graphics::UniquePtr<Memory>(new GLES::Memory3(mapInfo, *this));
 779   }
 780 }
 781
 782 bool EglGraphicsController::GetProgramParameter(Graphics::Program& program, uint32_t parameterId, void* outData)
 783 {
 784   return static_cast<GLES::Program*>(&program)->GetImplementation()->GetParameter(parameterId, outData);
 785 }
 786
 787 GLES::PipelineCache& EglGraphicsController::GetPipelineCache() const
 788 {
 789   return *mPipelineCache;
 790 }
 791
 792 } // namespace Dali::Graphics