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/debug.h>
  22 #include <dali/integration-api/gl-abstraction.h>
  23 #include <dali/integration-api/gl-defines.h>
  24 #include <dali/internal/graphics/gles-impl/gles-graphics-command-buffer.h>
  25 #include <dali/internal/graphics/gles-impl/gles-graphics-pipeline.h>
  26 #include <dali/internal/graphics/gles-impl/gles-graphics-shader.h>
  27 #include <dali/internal/graphics/gles-impl/gles-graphics-texture.h>
  28 #include <dali/internal/graphics/gles-impl/gles-graphics-types.h>
  29 #include <dali/public-api/common/dali-common.h>
  30 #include "gles-graphics-program.h"
  31
  32 namespace Dali::Graphics
  33 {
  34 namespace
  35 {
  36 /**
  37  * @brief Custom deleter for all Graphics objects created
  38  * with use of the Controller.
  39  *
  40  * When Graphics object dies the unique pointer (Graphics::UniquePtr)
  41  * doesn't destroy it directly but passes the ownership back
  42  * to the Controller. The GLESDeleter is responsible for passing
  43  * the object to the discard queue (by calling Resource::DiscardResource()).
  44  */
  45 template<typename T>
  46 struct GLESDeleter
  47 {
  48   GLESDeleter() = default;
  49
  50   void operator()(T* object)
  51   {
  52     // Discard resource (add it to discard queue)
  53     object->DiscardResource();
  54   }
  55 };
  56
  57 /**
  58  * @brief Helper function allocating graphics object
  59  *
  60  * @param[in] info Create info structure
  61  * @param[in] controller Controller object
  62  * @param[out] out Unique pointer to the return object
  63  */
  64 template<class GLESType, class GfxCreateInfo, class T>
  65 auto NewObject(const GfxCreateInfo& info, EglGraphicsController& controller, T&& oldObject)
  66 {
  67   // Use allocator
  68   using Type = typename T::element_type;
  69   using UPtr = Graphics::UniquePtr<Type>;
  70   if(info.allocationCallbacks)
  71   {
  72     auto* memory = info.allocationCallbacks->allocCallback(
  73       sizeof(GLESType),
  74       0,
  75       info.allocationCallbacks->userData);
  76     return UPtr(new(memory) GLESType(info, controller), GLESDeleter<GLESType>());
  77   }
  78   else // Use standard allocator
  79   {
  80     return UPtr(new GLESType(info, controller), GLESDeleter<GLESType>());
  81   }
  82 }
  83
  84 template<class T0, class T1>
  85 T0* CastObject(T1* apiObject)
  86 {
  87   return static_cast<T0*>(apiObject);
  88 }
  89
  90 } // namespace
  91
  92 void EglGraphicsController::InitializeGLES(Integration::GlAbstraction& glAbstraction)
  93 {
  94   DALI_LOG_RELEASE_INFO("Initializing New Graphics Controller #1\n");
  95   mGlAbstraction = &glAbstraction;
  96   mContext       = std::make_unique<GLES::Context>(*this);
  97 }
  98
  99 void EglGraphicsController::Initialize(Integration::GlSyncAbstraction&          glSyncAbstraction,
 100                                        Integration::GlContextHelperAbstraction& glContextHelperAbstraction)
 101 {
 102   DALI_LOG_RELEASE_INFO("Initializing New Graphics Controller #2\n");
 103   mGlSyncAbstraction          = &glSyncAbstraction;
 104   mGlContextHelperAbstraction = &glContextHelperAbstraction;
 105 }
 106
 107 void EglGraphicsController::SubmitCommandBuffers(const SubmitInfo& submitInfo)
 108 {
 109   for(auto& cmdbuf : submitInfo.cmdBuffer)
 110   {
 111     // Push command buffers
 112     mCommandQueue.push(static_cast<GLES::CommandBuffer*>(cmdbuf));
 113   }
 114
 115   // If flush bit set, flush all pending tasks
 116   if(submitInfo.flags & (0 | SubmitFlagBits::FLUSH))
 117   {
 118     Flush();
 119   }
 120 }
 121
 122 Integration::GlAbstraction& EglGraphicsController::GetGlAbstraction()
 123 {
 124   DALI_ASSERT_DEBUG(mGlAbstraction && "Graphics controller not initialized");
 125   return *mGlAbstraction;
 126 }
 127
 128 Integration::GlSyncAbstraction& EglGraphicsController::GetGlSyncAbstraction()
 129 {
 130   DALI_ASSERT_DEBUG(mGlSyncAbstraction && "Graphics controller not initialized");
 131   return *mGlSyncAbstraction;
 132 }
 133
 134 Integration::GlContextHelperAbstraction& EglGraphicsController::GetGlContextHelperAbstraction()
 135 {
 136   DALI_ASSERT_DEBUG(mGlContextHelperAbstraction && "Graphics controller not initialized");
 137   return *mGlContextHelperAbstraction;
 138 }
 139
 140 Graphics::UniquePtr<CommandBuffer>
 141 EglGraphicsController::CreateCommandBuffer(const CommandBufferCreateInfo&       commandBufferCreateInfo,
 142                                            Graphics::UniquePtr<CommandBuffer>&& oldCommandBuffer)
 143 {
 144   return NewObject<GLES::CommandBuffer>(commandBufferCreateInfo, *this, std::move(oldCommandBuffer));
 145 }
 146
 147 Graphics::UniquePtr<Texture>
 148 EglGraphicsController::CreateTexture(const TextureCreateInfo& textureCreateInfo, Graphics::UniquePtr<Texture>&& oldTexture)
 149 {
 150   return NewObject<GLES::Texture>(textureCreateInfo, *this, std::move(oldTexture));
 151 }
 152
 153 Graphics::UniquePtr<Buffer>
 154 EglGraphicsController::CreateBuffer(const BufferCreateInfo& bufferCreateInfo, Graphics::UniquePtr<Buffer>&& oldBuffer)
 155 {
 156   return NewObject<GLES::Buffer>(bufferCreateInfo, *this, std::move(oldBuffer));
 157 }
 158
 159 Graphics::UniquePtr<Pipeline> EglGraphicsController::CreatePipeline(const PipelineCreateInfo& pipelineCreateInfo, Graphics::UniquePtr<Graphics::Pipeline>&& oldPipeline)
 160 {
 161   // Create pipeline cache if needed
 162   if(!mPipelineCache)
 163   {
 164     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 165   }
 166
 167   return mPipelineCache->GetPipeline(pipelineCreateInfo, std::move(oldPipeline));
 168 }
 169
 170 Graphics::UniquePtr<Program> EglGraphicsController::CreateProgram(const ProgramCreateInfo& programCreateInfo, UniquePtr<Program>&& oldProgram)
 171 {
 172   // Create program cache if needed
 173   if(!mPipelineCache)
 174   {
 175     mPipelineCache = std::make_unique<GLES::PipelineCache>(*this);
 176   }
 177
 178   return mPipelineCache->GetProgram(programCreateInfo, std::move(oldProgram));
 179 }
 180
 181 Graphics::UniquePtr<Shader> EglGraphicsController::CreateShader(const ShaderCreateInfo& shaderCreateInfo, Graphics::UniquePtr<Shader>&& oldShader)
 182 {
 183   return NewObject<GLES::Shader>(shaderCreateInfo, *this, std::move(oldShader));
 184 }
 185
 186 Graphics::UniquePtr<Sampler> EglGraphicsController::CreateSampler(const SamplerCreateInfo& samplerCreateInfo, Graphics::UniquePtr<Sampler>&& oldSampler)
 187 {
 188   return NewObject<GLES::Sampler>(samplerCreateInfo, *this, std::move(oldSampler));
 189 }
 190
 191 const Graphics::Reflection& EglGraphicsController::GetProgramReflection(const Graphics::Program& program)
 192 {
 193   return static_cast<const Graphics::GLES::Program*>(&program)->GetReflection();
 194 }
 195
 196 void EglGraphicsController::AddTexture(GLES::Texture& texture)
 197 {
 198   // Assuming we are on the correct context
 199   mCreateTextureQueue.push(&texture);
 200 }
 201
 202 void EglGraphicsController::AddBuffer(GLES::Buffer& buffer)
 203 {
 204   // Assuming we are on the correct context
 205   mCreateBufferQueue.push(&buffer);
 206 }
 207
 208 void EglGraphicsController::ProcessDiscardQueues()
 209 {
 210   // Process textures
 211   ProcessDiscardQueue<GLES::Texture>(mDiscardTextureQueue);
 212
 213   // Process buffers
 214   ProcessDiscardQueue<GLES::Buffer>(mDiscardBufferQueue);
 215
 216   // Process pipelines
 217   ProcessDiscardQueue<GLES::Pipeline>(mDiscardPipelineQueue);
 218
 219   // Process programs
 220   ProcessDiscardQueue<GLES::Program>(mDiscardProgramQueue);
 221 }
 222
 223 void EglGraphicsController::ProcessCreateQueues()
 224 {
 225   // Process textures
 226   ProcessCreateQueue(mCreateTextureQueue);
 227
 228   // Process buffers
 229   ProcessCreateQueue(mCreateBufferQueue);
 230 }
 231
 232 void EglGraphicsController::ProcessCommandQueues()
 233 {
 234   // TODO: command queue per context, sync between queues should be
 235   // done externally
 236
 237   while(!mCommandQueue.empty())
 238   {
 239     auto cmdBuf = mCommandQueue.front();
 240     mCommandQueue.pop();
 241
 242     for(auto& cmd : cmdBuf->GetCommands())
 243     {
 244       // process command
 245       switch(cmd.type)
 246       {
 247         case GLES::CommandType::FLUSH:
 248         {
 249           // Nothing to do here
 250           break;
 251         }
 252         case GLES::CommandType::BIND_TEXTURES:
 253         {
 254           mContext->BindTextures(cmd.bindTextures.textureBindings);
 255           break;
 256         }
 257         case GLES::CommandType::BIND_VERTEX_BUFFERS:
 258         {
 259           auto& bindings = cmd.bindVertexBuffers.vertexBufferBindings;
 260           mContext->BindVertexBuffers(bindings);
 261           break;
 262         }
 263         case GLES::CommandType::BIND_INDEX_BUFFER:
 264         {
 265           mContext->BindIndexBuffer(cmd.bindIndexBuffer);
 266           break;
 267         }
 268         case GLES::CommandType::BIND_SAMPLERS:
 269         {
 270           break;
 271         }
 272         case GLES::CommandType::BIND_PIPELINE:
 273         {
 274           mContext->BindPipeline(cmd.bindPipeline.pipeline);
 275           break;
 276         }
 277         case GLES::CommandType::DRAW:
 278         {
 279           mContext->Flush(false, cmd.draw);
 280           break;
 281         }
 282         case GLES::CommandType::DRAW_INDEXED:
 283         {
 284           mContext->Flush(false, cmd.draw);
 285           break;
 286         }
 287         case GLES::CommandType::DRAW_INDEXED_INDIRECT:
 288         {
 289           mContext->Flush(false, cmd.draw);
 290           break;
 291         }
 292       }
 293     }
 294   }
 295 }
 296
 297 void EglGraphicsController::ProcessTextureUpdateQueue()
 298 {
 299   while(!mTextureUpdateRequests.empty())
 300   {
 301     TextureUpdateRequest& request = mTextureUpdateRequests.front();
 302
 303     auto& info   = request.first;
 304     auto& source = request.second;
 305
 306     if(source.sourceType == Graphics::TextureUpdateSourceInfo::Type::MEMORY)
 307     {
 308       // GPU memory must be already allocated (glTexImage2D())
 309       auto*       texture    = static_cast<GLES::Texture*>(info.dstTexture);
 310       const auto& createInfo = texture->GetCreateInfo();
 311
 312       mGlAbstraction->PixelStorei(GL_UNPACK_ALIGNMENT, 1);
 313
 314       mGlAbstraction->BindTexture(GL_TEXTURE_2D, texture->GetGLTexture());
 315       mGlAbstraction->TexSubImage2D(GL_TEXTURE_2D,
 316                                     info.level,
 317                                     info.dstOffset2D.x,
 318                                     info.dstOffset2D.y,
 319                                     info.srcExtent2D.width,
 320                                     info.srcExtent2D.height,
 321                                     GLES::GLTextureFormatType(createInfo.format).format,
 322                                     GLES::GLTextureFormatType(createInfo.format).type,
 323                                     source.memorySource.memory);
 324
 325       // free staging memory
 326       free(source.memorySource.memory);
 327     }
 328     else
 329     {
 330       // TODO: other sources
 331     }
 332
 333     mTextureUpdateRequests.pop();
 334   }
 335 }
 336
 337 void EglGraphicsController::UpdateTextures(const std::vector<TextureUpdateInfo>&       updateInfoList,
 338                                            const std::vector<TextureUpdateSourceInfo>& sourceList)
 339 {
 340   // Store updates
 341   for(auto& info : updateInfoList)
 342   {
 343     mTextureUpdateRequests.push(std::make_pair(info, sourceList[info.srcReference]));
 344     auto& pair = mTextureUpdateRequests.back();
 345     switch(pair.second.sourceType)
 346     {
 347       case Graphics::TextureUpdateSourceInfo::Type::MEMORY:
 348       {
 349         auto& info   = pair.first;
 350         auto& source = pair.second;
 351
 352         // allocate staging memory and copy the data
 353         // TODO: using PBO with GLES3, this is just naive
 354         // oldschool way
 355
 356         char* stagingBuffer = reinterpret_cast<char*>(malloc(info.srcSize));
 357         std::copy(&reinterpret_cast<char*>(source.memorySource.memory)[info.srcOffset],
 358                   reinterpret_cast<char*>(source.memorySource.memory) + info.srcSize,
 359                   stagingBuffer);
 360
 361         // store staging buffer
 362         source.memorySource.memory = stagingBuffer;
 363         break;
 364       }
 365       case Graphics::TextureUpdateSourceInfo::Type::BUFFER:
 366       {
 367         // TODO, with PBO support
 368         break;
 369       }
 370       case Graphics::TextureUpdateSourceInfo::Type::TEXTURE:
 371       {
 372         // TODO texture 2 texture in-GPU copy
 373         break;
 374       }
 375     }
 376   }
 377 }
 378
 379 Graphics::UniquePtr<Memory> EglGraphicsController::MapBufferRange(const MapBufferInfo& mapInfo)
 380 {
 381   // Mapping buffer requires the object to be created NOW
 382   // Workaround - flush now, otherwise there will be given a staging buffer
 383   // in case when the buffer is not there yet
 384   ProcessCreateQueues();
 385
 386   return Graphics::UniquePtr<Memory>(new GLES::Memory(mapInfo, *this));
 387 }
 388
 389 bool EglGraphicsController::GetProgramParameter(Graphics::Program& program, uint32_t parameterId, void* outData)
 390 {
 391   return static_cast<GLES::Program*>(&program)->GetImplementation()->GetParameter(parameterId, outData);
 392 }
 393
 394 GLES::PipelineCache& EglGraphicsController::GetPipelineCache() const
 395 {
 396   return *mPipelineCache;
 397 }
 398
 399 } // namespace Dali::Graphics