dali/internal/update/rendering/scene-graph-renderer.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 "scene-graph-renderer.h"
  19
  20 // INTERNAL INCLUDES
  21 #include <dali/internal/common/blending-options.h>
  22 #include <dali/internal/common/internal-constants.h>
  23 #include <dali/internal/common/memory-pool-object-allocator.h>
  24 #include <dali/internal/render/data-providers/node-data-provider.h>
  25 #include <dali/internal/render/data-providers/render-data-provider.h>
  26 #include <dali/internal/render/queue/render-queue.h>
  27 #include <dali/internal/render/renderers/render-geometry.h>
  28 #include <dali/internal/render/shaders/program.h>
  29 #include <dali/internal/render/shaders/render-shader.h>
  30 #include <dali/internal/update/controllers/render-message-dispatcher.h>
  31 #include <dali/internal/update/controllers/scene-controller.h>
  32 #include <dali/internal/update/nodes/node.h>
  33 #include <dali/internal/update/rendering/scene-graph-texture-set.h>
  34
  35 #include <dali/integration-api/debug.h>
  36
  37 namespace Dali
  38 {
  39 namespace Internal
  40 {
  41 namespace SceneGraph
  42 {
  43 namespace // unnamed namespace
  44 {
  45 #ifdef DEBUG_ENABLED
  46 Debug::Filter* gSceneGraphRendererLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_SG_RENDERER");
  47 #endif
  48
  49 //Memory pool used to allocate new renderers. Memory used by this pool will be released when shutting down DALi
  50 MemoryPoolObjectAllocator<Renderer> gRendererMemoryPool;
  51
  52 // Flags for re-sending data to renderer.
  53 enum Flags
  54 {
  55   RESEND_GEOMETRY                    = 1 << 0,
  56   RESEND_FACE_CULLING_MODE           = 1 << 1,
  57   RESEND_BLEND_COLOR                 = 1 << 2,
  58   RESEND_BLEND_BIT_MASK              = 1 << 3,
  59   RESEND_PREMULTIPLIED_ALPHA         = 1 << 4,
  60   RESEND_INDEXED_DRAW_FIRST_ELEMENT  = 1 << 5,
  61   RESEND_INDEXED_DRAW_ELEMENTS_COUNT = 1 << 6,
  62   RESEND_DEPTH_WRITE_MODE            = 1 << 7,
  63   RESEND_DEPTH_TEST_MODE             = 1 << 8,
  64   RESEND_DEPTH_FUNCTION              = 1 << 9,
  65   RESEND_RENDER_MODE                 = 1 << 10,
  66   RESEND_STENCIL_FUNCTION            = 1 << 11,
  67   RESEND_STENCIL_FUNCTION_MASK       = 1 << 12,
  68   RESEND_STENCIL_FUNCTION_REFERENCE  = 1 << 13,
  69   RESEND_STENCIL_MASK                = 1 << 14,
  70   RESEND_STENCIL_OPERATION_ON_FAIL   = 1 << 15,
  71   RESEND_STENCIL_OPERATION_ON_Z_FAIL = 1 << 16,
  72   RESEND_STENCIL_OPERATION_ON_Z_PASS = 1 << 17,
  73   RESEND_WRITE_TO_COLOR_BUFFER       = 1 << 18,
  74   RESEND_SHADER                      = 1 << 19,
  75   RESEND_DRAW_COMMANDS               = 1 << 20,
  76   RESEND_SET_RENDER_CALLBACK         = 1 << 21
  77 };
  78
  79 } // Anonymous namespace
  80
  81 Renderer* Renderer::New()
  82 {
  83   return new(gRendererMemoryPool.AllocateRawThreadSafe()) Renderer();
  84 }
  85
  86 Renderer::Renderer()
  87 : mSceneController(nullptr),
  88   mRenderer(nullptr),
  89   mTextureSet(nullptr),
  90   mGeometry(nullptr),
  91   mShader(nullptr),
  92   mBlendColor(nullptr),
  93   mStencilParameters(RenderMode::AUTO, StencilFunction::ALWAYS, 0xFF, 0x00, 0xFF, StencilOperation::KEEP, StencilOperation::KEEP, StencilOperation::KEEP),
  94   mIndexedDrawFirstElement(0u),
  95   mIndexedDrawElementsCount(0u),
  96   mBlendBitmask(0u),
  97   mResendFlag(0u),
  98   mDepthFunction(DepthFunction::LESS),
  99   mFaceCullingMode(FaceCullingMode::NONE),
 100   mBlendMode(BlendMode::AUTO),
 101   mDepthWriteMode(DepthWriteMode::AUTO),
 102   mDepthTestMode(DepthTestMode::AUTO),
 103   mRenderingBehavior(DevelRenderer::Rendering::IF_REQUIRED),
 104   mUpdateDecay(Renderer::Decay::INITIAL),
 105   mRegenerateUniformMap(false),
 106   mPremultipledAlphaEnabled(false),
 107   mDirtyFlag(true),
 108   mOpacity(1.0f),
 109   mDepthIndex(0)
 110 {
 111 }
 112
 113 Renderer::~Renderer()
 114 {
 115 }
 116
 117 void Renderer::operator delete(void* ptr)
 118 {
 119   gRendererMemoryPool.FreeThreadSafe(static_cast<Renderer*>(ptr));
 120 }
 121
 122 bool Renderer::PrepareRender(BufferIndex updateBufferIndex)
 123 {
 124   bool rendererUpdated        = mResendFlag || mRenderingBehavior == DevelRenderer::Rendering::CONTINUOUSLY || mUpdateDecay > 0;
 125   auto shaderMapChangeCounter = mShader ? mShader->GetUniformMap().GetChangeCounter() : 0u;
 126   bool shaderMapChanged       = mShader && (mShaderMapChangeCounter != shaderMapChangeCounter);
 127   if(shaderMapChanged)
 128   {
 129     mShaderMapChangeCounter = shaderMapChangeCounter;
 130   }
 131
 132   if(mUniformMapChangeCounter != mUniformMaps.GetChangeCounter() || shaderMapChanged)
 133   {
 134     // The map has changed since the last time we checked.
 135     rendererUpdated       = true;
 136     mRegenerateUniformMap = true;
 137     mUpdateDecay          = Renderer::Decay::INITIAL; // Render at least twice if the map has changed/actor has been added
 138
 139     // Update local counters to identify any future changes to maps
 140     // (unlikely, but allowed by API).
 141     mUniformMapChangeCounter = mUniformMaps.GetChangeCounter();
 142   }
 143   if(mUpdateDecay > 0)
 144   {
 145     mUpdateDecay = static_cast<Renderer::Decay>(static_cast<int>(mUpdateDecay) - 1);
 146   }
 147
 148   if(mResendFlag != 0)
 149   {
 150     if(mResendFlag & RESEND_GEOMETRY)
 151     {
 152       typedef MessageValue1<Render::Renderer, Render::Geometry*> DerivedType;
 153       uint32_t*                                                  slot = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 154       new(slot) DerivedType(mRenderer, &Render::Renderer::SetGeometry, mGeometry);
 155     }
 156
 157     if(mResendFlag & RESEND_DRAW_COMMANDS)
 158     {
 159       using DerivedType = MessageValue2<Render::Renderer, Dali::DevelRenderer::DrawCommand*, uint32_t>;
 160       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 161       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDrawCommands, mDrawCommands.data(), mDrawCommands.size());
 162     }
 163
 164     if(mResendFlag & RESEND_FACE_CULLING_MODE)
 165     {
 166       using DerivedType = MessageValue1<Render::Renderer, FaceCullingMode::Type>;
 167       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 168       new(slot) DerivedType(mRenderer, &Render::Renderer::SetFaceCullingMode, mFaceCullingMode);
 169     }
 170
 171     if(mResendFlag & RESEND_BLEND_BIT_MASK)
 172     {
 173       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 174       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 175       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendingBitMask, mBlendBitmask);
 176     }
 177
 178     if(mResendFlag & RESEND_BLEND_COLOR)
 179     {
 180       using DerivedType = MessageValue1<Render::Renderer, Vector4>;
 181       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 182       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendColor, GetBlendColor());
 183     }
 184
 185     if(mResendFlag & RESEND_PREMULTIPLIED_ALPHA)
 186     {
 187       using DerivedType = MessageValue1<Render::Renderer, bool>;
 188       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 189       new(slot) DerivedType(mRenderer, &Render::Renderer::EnablePreMultipliedAlpha, mPremultipledAlphaEnabled);
 190     }
 191
 192     if(mResendFlag & RESEND_INDEXED_DRAW_FIRST_ELEMENT)
 193     {
 194       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 195       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 196       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawFirstElement, mIndexedDrawFirstElement);
 197     }
 198
 199     if(mResendFlag & RESEND_INDEXED_DRAW_ELEMENTS_COUNT)
 200     {
 201       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 202       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 203       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawElementsCount, mIndexedDrawElementsCount);
 204     }
 205
 206     if(mResendFlag & RESEND_DEPTH_WRITE_MODE)
 207     {
 208       using DerivedType = MessageValue1<Render::Renderer, DepthWriteMode::Type>;
 209       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 210       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthWriteMode, mDepthWriteMode);
 211     }
 212
 213     if(mResendFlag & RESEND_DEPTH_TEST_MODE)
 214     {
 215       using DerivedType = MessageValue1<Render::Renderer, DepthTestMode::Type>;
 216       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 217       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthTestMode, mDepthTestMode);
 218     }
 219
 220     if(mResendFlag & RESEND_DEPTH_FUNCTION)
 221     {
 222       using DerivedType = MessageValue1<Render::Renderer, DepthFunction::Type>;
 223       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 224       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthFunction, mDepthFunction);
 225     }
 226
 227     if(mResendFlag & RESEND_RENDER_MODE)
 228     {
 229       using DerivedType = MessageValue1<Render::Renderer, RenderMode::Type>;
 230       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 231       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderMode, mStencilParameters.renderMode);
 232     }
 233
 234     if(mResendFlag & RESEND_STENCIL_FUNCTION)
 235     {
 236       using DerivedType = MessageValue1<Render::Renderer, StencilFunction::Type>;
 237       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 238       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunction, mStencilParameters.stencilFunction);
 239     }
 240
 241     if(mResendFlag & RESEND_STENCIL_FUNCTION_MASK)
 242     {
 243       using DerivedType = MessageValue1<Render::Renderer, int>;
 244       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 245       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionMask, mStencilParameters.stencilFunctionMask);
 246     }
 247
 248     if(mResendFlag & RESEND_STENCIL_FUNCTION_REFERENCE)
 249     {
 250       using DerivedType = MessageValue1<Render::Renderer, int>;
 251       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 252       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionReference, mStencilParameters.stencilFunctionReference);
 253     }
 254
 255     if(mResendFlag & RESEND_STENCIL_MASK)
 256     {
 257       using DerivedType = MessageValue1<Render::Renderer, int>;
 258       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 259       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilMask, mStencilParameters.stencilMask);
 260     }
 261
 262     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_FAIL)
 263     {
 264       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 265       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 266       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnFail, mStencilParameters.stencilOperationOnFail);
 267     }
 268
 269     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_FAIL)
 270     {
 271       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 272       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 273       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZFail, mStencilParameters.stencilOperationOnZFail);
 274     }
 275
 276     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_PASS)
 277     {
 278       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 279       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 280       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZPass, mStencilParameters.stencilOperationOnZPass);
 281     }
 282
 283     if(mResendFlag & RESEND_SHADER)
 284     {
 285       using DerivedType = MessageValue1<Render::Renderer, bool>;
 286       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 287       new(slot) DerivedType(mRenderer, &Render::Renderer::SetShaderChanged, true);
 288     }
 289
 290     if(mResendFlag & RESEND_SET_RENDER_CALLBACK)
 291     {
 292       using DerivedType = MessageValue1<Render::Renderer, Dali::RenderCallback*>;
 293       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 294       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderCallback, mRenderCallback);
 295     }
 296
 297     SetUpdated(true);
 298
 299     mResendFlag = 0;
 300   }
 301
 302   // Ensure collected map is up to date
 303   UpdateUniformMap(updateBufferIndex);
 304
 305   return rendererUpdated;
 306 }
 307
 308 void Renderer::SetTextures(TextureSet* textureSet)
 309 {
 310   DALI_ASSERT_DEBUG(textureSet != NULL && "Texture set pointer is NULL");
 311
 312   mTextureSet = textureSet;
 313
 314   mDirtyFlag = true;
 315   SetUpdated(true);
 316 }
 317
 318 const Vector<Render::Texture*>* Renderer::GetTextures() const
 319 {
 320   return mTextureSet ? &(mTextureSet->GetTextures()) : nullptr;
 321 }
 322
 323 const Vector<Render::Sampler*>* Renderer::GetSamplers() const
 324 {
 325   return mTextureSet ? &(mTextureSet->GetSamplers()) : nullptr;
 326 }
 327
 328 void Renderer::SetShader(Shader* shader)
 329 {
 330   DALI_ASSERT_DEBUG(shader != NULL && "Shader pointer is NULL");
 331
 332   mShader                 = shader;
 333   mShaderMapChangeCounter = 0u;
 334   mRegenerateUniformMap   = true;
 335   mResendFlag |= RESEND_GEOMETRY | RESEND_SHADER;
 336   mDirtyFlag = true;
 337 }
 338
 339 void Renderer::SetGeometry(Render::Geometry* geometry)
 340 {
 341   DALI_ASSERT_DEBUG(geometry != NULL && "Geometry pointer is NULL");
 342   mGeometry = geometry;
 343
 344   if(mRenderer)
 345   {
 346     mResendFlag |= RESEND_GEOMETRY;
 347   }
 348 }
 349
 350 void Renderer::SetDepthIndex(int depthIndex)
 351 {
 352   mDepthIndex = depthIndex;
 353
 354   mDirtyFlag = true;
 355   SetUpdated(true);
 356 }
 357
 358 void Renderer::SetFaceCullingMode(FaceCullingMode::Type faceCullingMode)
 359 {
 360   mFaceCullingMode = faceCullingMode;
 361   mResendFlag |= RESEND_FACE_CULLING_MODE;
 362 }
 363
 364 FaceCullingMode::Type Renderer::GetFaceCullingMode() const
 365 {
 366   return mFaceCullingMode;
 367 }
 368
 369 void Renderer::SetBlendMode(BlendMode::Type blendingMode)
 370 {
 371   mBlendMode = blendingMode;
 372
 373   mDirtyFlag = true;
 374   SetUpdated(true);
 375 }
 376
 377 BlendMode::Type Renderer::GetBlendMode() const
 378 {
 379   return mBlendMode;
 380 }
 381
 382 void Renderer::SetBlendingOptions(uint32_t options)
 383 {
 384   if(mBlendBitmask != options)
 385   {
 386     mBlendBitmask = options;
 387     mResendFlag |= RESEND_BLEND_BIT_MASK;
 388     mDirtyFlag = true;
 389   }
 390 }
 391
 392 uint32_t Renderer::GetBlendingOptions() const
 393 {
 394   return mBlendBitmask;
 395 }
 396
 397 void Renderer::SetBlendColor(const Vector4& blendColor)
 398 {
 399   if(blendColor == Color::TRANSPARENT)
 400   {
 401     mBlendColor = nullptr;
 402   }
 403   else
 404   {
 405     if(!mBlendColor)
 406     {
 407       mBlendColor = new Vector4(blendColor);
 408     }
 409     else
 410     {
 411       *mBlendColor = blendColor;
 412     }
 413   }
 414
 415   mResendFlag |= RESEND_BLEND_COLOR;
 416 }
 417
 418 Vector4 Renderer::GetBlendColor() const
 419 {
 420   if(mBlendColor)
 421   {
 422     return *mBlendColor;
 423   }
 424   return Color::TRANSPARENT;
 425 }
 426
 427 void Renderer::SetIndexedDrawFirstElement(uint32_t firstElement)
 428 {
 429   mIndexedDrawFirstElement = firstElement;
 430   mResendFlag |= RESEND_INDEXED_DRAW_FIRST_ELEMENT;
 431 }
 432
 433 uint32_t Renderer::GetIndexedDrawFirstElement() const
 434 {
 435   return mIndexedDrawFirstElement;
 436 }
 437
 438 void Renderer::SetIndexedDrawElementsCount(uint32_t elementsCount)
 439 {
 440   mIndexedDrawElementsCount = elementsCount;
 441   mResendFlag |= RESEND_INDEXED_DRAW_ELEMENTS_COUNT;
 442 }
 443
 444 uint32_t Renderer::GetIndexedDrawElementsCount() const
 445 {
 446   return mIndexedDrawElementsCount;
 447 }
 448
 449 void Renderer::EnablePreMultipliedAlpha(bool preMultipled)
 450 {
 451   mPremultipledAlphaEnabled = preMultipled;
 452   mResendFlag |= RESEND_PREMULTIPLIED_ALPHA;
 453 }
 454
 455 bool Renderer::IsPreMultipliedAlphaEnabled() const
 456 {
 457   return mPremultipledAlphaEnabled;
 458 }
 459
 460 void Renderer::SetDepthWriteMode(DepthWriteMode::Type depthWriteMode)
 461 {
 462   mDepthWriteMode = depthWriteMode;
 463   mResendFlag |= RESEND_DEPTH_WRITE_MODE;
 464 }
 465
 466 DepthWriteMode::Type Renderer::GetDepthWriteMode() const
 467 {
 468   return mDepthWriteMode;
 469 }
 470
 471 void Renderer::SetDepthTestMode(DepthTestMode::Type depthTestMode)
 472 {
 473   mDepthTestMode = depthTestMode;
 474   mResendFlag |= RESEND_DEPTH_TEST_MODE;
 475 }
 476
 477 DepthTestMode::Type Renderer::GetDepthTestMode() const
 478 {
 479   return mDepthTestMode;
 480 }
 481
 482 void Renderer::SetDepthFunction(DepthFunction::Type depthFunction)
 483 {
 484   mDepthFunction = depthFunction;
 485   mResendFlag |= RESEND_DEPTH_FUNCTION;
 486 }
 487
 488 DepthFunction::Type Renderer::GetDepthFunction() const
 489 {
 490   return mDepthFunction;
 491 }
 492
 493 void Renderer::SetRenderMode(RenderMode::Type mode)
 494 {
 495   mStencilParameters.renderMode = mode;
 496   mResendFlag |= RESEND_RENDER_MODE;
 497 }
 498
 499 void Renderer::SetStencilFunction(StencilFunction::Type stencilFunction)
 500 {
 501   mStencilParameters.stencilFunction = stencilFunction;
 502   mResendFlag |= RESEND_STENCIL_FUNCTION;
 503 }
 504
 505 void Renderer::SetStencilFunctionMask(int stencilFunctionMask)
 506 {
 507   mStencilParameters.stencilFunctionMask = stencilFunctionMask;
 508   mResendFlag |= RESEND_STENCIL_FUNCTION_MASK;
 509 }
 510
 511 void Renderer::SetStencilFunctionReference(int stencilFunctionReference)
 512 {
 513   mStencilParameters.stencilFunctionReference = stencilFunctionReference;
 514   mResendFlag |= RESEND_STENCIL_FUNCTION_REFERENCE;
 515 }
 516
 517 void Renderer::SetStencilMask(int stencilMask)
 518 {
 519   mStencilParameters.stencilMask = stencilMask;
 520   mResendFlag |= RESEND_STENCIL_MASK;
 521 }
 522
 523 void Renderer::SetStencilOperationOnFail(StencilOperation::Type stencilOperationOnFail)
 524 {
 525   mStencilParameters.stencilOperationOnFail = stencilOperationOnFail;
 526   mResendFlag |= RESEND_STENCIL_OPERATION_ON_FAIL;
 527 }
 528
 529 void Renderer::SetStencilOperationOnZFail(StencilOperation::Type stencilOperationOnZFail)
 530 {
 531   mStencilParameters.stencilOperationOnZFail = stencilOperationOnZFail;
 532   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_FAIL;
 533 }
 534
 535 void Renderer::SetStencilOperationOnZPass(StencilOperation::Type stencilOperationOnZPass)
 536 {
 537   mStencilParameters.stencilOperationOnZPass = stencilOperationOnZPass;
 538   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_PASS;
 539 }
 540
 541 void Renderer::SetRenderCallback(RenderCallback* callback)
 542 {
 543   mRenderCallback = callback;
 544   mResendFlag |= RESEND_SET_RENDER_CALLBACK;
 545   mDirtyFlag = true;
 546 }
 547
 548 const Render::Renderer::StencilParameters& Renderer::GetStencilParameters() const
 549 {
 550   return mStencilParameters;
 551 }
 552
 553 void Renderer::BakeOpacity(BufferIndex updateBufferIndex, float opacity)
 554 {
 555   mOpacity.Bake(updateBufferIndex, opacity);
 556
 557   mDirtyFlag = true;
 558   SetUpdated(true);
 559 }
 560
 561 float Renderer::GetOpacity(BufferIndex updateBufferIndex) const
 562 {
 563   return mOpacity[updateBufferIndex];
 564 }
 565
 566 void Renderer::SetRenderingBehavior(DevelRenderer::Rendering::Type renderingBehavior)
 567 {
 568   mRenderingBehavior = renderingBehavior;
 569   SetUpdated(true);
 570 }
 571
 572 DevelRenderer::Rendering::Type Renderer::GetRenderingBehavior() const
 573 {
 574   return mRenderingBehavior;
 575 }
 576
 577 //Called when SceneGraph::Renderer is added to update manager ( that happens when an "event-thread renderer" is created )
 578 void Renderer::ConnectToSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 579 {
 580   mRegenerateUniformMap = true;
 581   mSceneController      = &sceneController;
 582
 583   mRenderer = Render::Renderer::New(this, mGeometry, mBlendBitmask, GetBlendColor(), static_cast<FaceCullingMode::Type>(mFaceCullingMode), mPremultipledAlphaEnabled, mDepthWriteMode, mDepthTestMode, mDepthFunction, mStencilParameters);
 584
 585   OwnerPointer<Render::Renderer> transferOwnership(mRenderer);
 586   mSceneController->GetRenderMessageDispatcher().AddRenderer(transferOwnership);
 587 }
 588
 589 //Called just before destroying the scene-graph renderer ( when the "event-thread renderer" is no longer referenced )
 590 void Renderer::DisconnectFromSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 591 {
 592   //Remove renderer from RenderManager
 593   if(mRenderer)
 594   {
 595     mSceneController->GetRenderMessageDispatcher().RemoveRenderer(*mRenderer);
 596     mRenderer = nullptr;
 597   }
 598   mSceneController = nullptr;
 599 }
 600
 601 Render::Renderer& Renderer::GetRenderer()
 602 {
 603   return *mRenderer;
 604 }
 605
 606 Renderer::OpacityType Renderer::GetOpacityType(BufferIndex updateBufferIndex, const Node& node) const
 607 {
 608   Renderer::OpacityType opacityType = Renderer::OPAQUE;
 609
 610   if(node.IsTransparent())
 611   {
 612     return Renderer::TRANSPARENT;
 613   }
 614
 615   switch(mBlendMode)
 616   {
 617     case BlendMode::ON_WITHOUT_CULL: // If the renderer should always be use blending and never want to be transparent by alpha.
 618     {
 619       opacityType = Renderer::TRANSLUCENT;
 620       break;
 621     }
 622     case BlendMode::ON: // If the renderer should always be use blending
 623     {
 624       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 625       if(alpha <= FULLY_TRANSPARENT)
 626       {
 627         opacityType = Renderer::TRANSPARENT;
 628       }
 629       else
 630       {
 631         opacityType = Renderer::TRANSLUCENT;
 632       }
 633       break;
 634     }
 635     case BlendMode::AUTO:
 636     {
 637       if(BlendingOptions::IsAdvancedBlendEquationIncluded(mBlendBitmask))
 638       {
 639         opacityType = Renderer::TRANSLUCENT;
 640         break;
 641       }
 642
 643       bool shaderRequiresBlending(mShader->HintEnabled(Dali::Shader::Hint::OUTPUT_IS_TRANSPARENT));
 644       if(shaderRequiresBlending || (mTextureSet && mTextureSet->HasAlpha()))
 645       {
 646         opacityType = Renderer::TRANSLUCENT;
 647       }
 648
 649       // renderer should determine opacity using the actor color
 650       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 651       if(alpha <= FULLY_TRANSPARENT)
 652       {
 653         opacityType = Renderer::TRANSPARENT;
 654       }
 655       else if(alpha <= FULLY_OPAQUE)
 656       {
 657         opacityType = Renderer::TRANSLUCENT;
 658       }
 659
 660       break;
 661     }
 662     case BlendMode::USE_ACTOR_OPACITY: // the renderer should never use blending
 663     {
 664       // renderer should determine opacity using the actor color
 665       float alpha = node.GetWorldColor(updateBufferIndex).a;
 666       if(alpha <= FULLY_TRANSPARENT)
 667       {
 668         opacityType = Renderer::TRANSPARENT;
 669       }
 670       else if(alpha < FULLY_OPAQUE)
 671       {
 672         opacityType = Renderer::TRANSLUCENT;
 673       }
 674       else
 675       {
 676         opacityType = Renderer::OPAQUE;
 677       }
 678       break;
 679     }
 680     case BlendMode::OFF: // the renderer should never use blending
 681     default:
 682     {
 683       opacityType = Renderer::OPAQUE;
 684       break;
 685     }
 686   }
 687
 688   return opacityType;
 689 }
 690
 691 void Renderer::UpdateUniformMap(BufferIndex updateBufferIndex)
 692 {
 693   if(mRegenerateUniformMap)
 694   {
 695     CollectedUniformMap& localMap = mCollectedUniformMap;
 696     localMap.Clear();
 697
 698     const UniformMap& rendererUniformMap = PropertyOwner::GetUniformMap();
 699
 700     auto size = rendererUniformMap.Count();
 701     if(mShader)
 702     {
 703       size += mShader->GetUniformMap().Count();
 704     }
 705
 706     localMap.Reserve(size);
 707     localMap.AddMappings(rendererUniformMap);
 708     if(mShader)
 709     {
 710       localMap.AddMappings(mShader->GetUniformMap());
 711     }
 712     localMap.UpdateChangeCounter();
 713
 714     mRegenerateUniformMap = false;
 715     SetUpdated(true);
 716   }
 717
 718   uint64_t                                  hash                   = 0xc70f6907UL;
 719   const SceneGraph::UniformMapDataProvider& uniformMapDataProvider = GetUniformMapDataProvider();
 720   const SceneGraph::CollectedUniformMap&    collectedUniformMap    = uniformMapDataProvider.GetCollectedUniformMap();
 721   for(uint32_t i = 0u, count = collectedUniformMap.Count(); i < count; ++i)
 722   {
 723     hash = collectedUniformMap.mUniformMap[i].propertyPtr->Hash(updateBufferIndex, hash);
 724   }
 725   if(mUniformsHash != hash)
 726   {
 727     mUniformsHash = hash;
 728     SetUpdated(true);
 729   }
 730 }
 731
 732 void Renderer::SetDrawCommands(Dali::DevelRenderer::DrawCommand* pDrawCommands, uint32_t size)
 733 {
 734   mDrawCommands.clear();
 735   mDrawCommands.insert(mDrawCommands.end(), pDrawCommands, pDrawCommands + size);
 736   mResendFlag |= RESEND_DRAW_COMMANDS;
 737 }
 738
 739 bool Renderer::IsDirty() const
 740 {
 741   // Check whether the opacity property has changed
 742   return (mDirtyFlag || !mOpacity.IsClean());
 743 }
 744
 745 void Renderer::ResetDirtyFlag()
 746 {
 747   mDirtyFlag = false;
 748
 749   SetUpdated(false);
 750 }
 751
 752 uint32_t Renderer::GetMemoryPoolCapacity()
 753 {
 754   return gRendererMemoryPool.GetCapacity();
 755 }
 756
 757 void Renderer::OnMappingChanged()
 758 {
 759   // Properties have been registered on the base class.
 760   mRegenerateUniformMap = true; // Should remain true until this renderer is added to a RenderList.
 761 }
 762
 763 const CollectedUniformMap& Renderer::GetCollectedUniformMap() const
 764 {
 765   return mCollectedUniformMap;
 766 }
 767
 768 Vector4 Renderer::GetVisualTransformedUpdateArea(BufferIndex updateBufferIndex, const Vector4& originalUpdateArea) noexcept
 769 {
 770   if(mVisualProperties)
 771   {
 772     auto& coefficient = mVisualProperties->mCoefficient;
 773
 774     // TODO : We may need to get some method that visual properties changed, without hash.
 775     // Or, need to call this API in PreRender side.
 776
 777     uint64_t hash = 0xc70f6907UL;
 778
 779     hash = mVisualProperties->mTransformOffset.Hash(updateBufferIndex, hash);
 780     hash = mVisualProperties->mTransformOffsetSizeMode.Hash(updateBufferIndex, hash);
 781     hash = mVisualProperties->mTransformSize.Hash(updateBufferIndex, hash);
 782     hash = mVisualProperties->mTransformOrigin.Hash(updateBufferIndex, hash);
 783     hash = mVisualProperties->mTransformAnchorPoint.Hash(updateBufferIndex, hash);
 784     hash = mVisualProperties->mExtraSize.Hash(updateBufferIndex, hash);
 785
 786     if(coefficient.hash != hash)
 787     {
 788       coefficient.hash = hash;
 789
 790       // VisualProperty
 791       const Vector2 transformOffset         = mVisualProperties->mTransformOffset.Get(updateBufferIndex);
 792       const Vector4 transformOffsetSizeMode = mVisualProperties->mTransformOffsetSizeMode.Get(updateBufferIndex);
 793       const Vector2 transformSize           = mVisualProperties->mTransformSize.Get(updateBufferIndex);
 794       const Vector2 transformOrigin         = mVisualProperties->mTransformOrigin.Get(updateBufferIndex);
 795       const Vector2 transformAnchorPoint    = mVisualProperties->mTransformAnchorPoint.Get(updateBufferIndex);
 796       const Vector2 extraSize               = mVisualProperties->mExtraSize.Get(updateBufferIndex);
 797
 798       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform size   %5.3f %5.3f\n", transformSize.x, transformSize.y);
 799       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform offset %5.3f %5.3f\n", transformOffset.x, transformOffset.y);
 800       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform origin %5.3f %5.3f\n", transformOrigin.x, transformOrigin.y);
 801       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform anchor %5.3f %5.3f\n", transformAnchorPoint.x, transformAnchorPoint.y);
 802       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "extra size       %5.3f %5.3f\n", extraSize.x, extraSize.y);
 803
 804       // const Vector2 visualSize = Vector2(Dali::Lerp(transformOffsetSizeMode.z, originalSize.x * transformSize.x, transformSize.x),
 805       //                                    Dali::Lerp(transformOffsetSizeMode.w, originalSize.y * transformSize.y, transformSize.y)) +
 806       //                            extraSize;
 807       // const Vector2 visualOffset = Vector2(Dali::Lerp(transformOffsetSizeMode.x, originalSize.x * transformOffset.x, transformOffset.x),
 808       //                                      Dali::Lerp(transformOffsetSizeMode.y, originalSize.y * transformOffset.y, transformOffset.y));
 809
 810       // const float decoratedBorderlineWidth = std::max((1.0f + Dali::Clamp(borderlineOffset, -1.0f, 1.0f)) * borderlineWidth, 2.0f * blurRadius);
 811       // const Vector2 decoratedVisualSize    = visualSize + Vector2(decoratedBorderlineWidth, decoratedBorderlineWidth);
 812
 813       // Note : vertexPositoin.xy = aPosition * decoratedVisualSize
 814       //                          + anchorPoint * visualSize
 815       //                          + origin * uSize.xy
 816       //                          + visualOffset;
 817
 818       // Calculate same logic of visual's vertex shader transform.
 819       // minVertexPosition = -0.5f * decoratedVisualSize + transformAnchorPoint * visualSize + transformOrigin * originalSize.xy + visualOffset
 820       // maxVertexPosition =  0.5f * decoratedVisualSize + transformAnchorPoint * visualSize + transformOrigin * originalSize.xy + visualOffset
 821
 822       // Update cached VisualTransformedUpdateSizeCoefficientCache
 823
 824       // Note : vertexPosition = (XA * aPosition + XB) * originalSize + (CA * aPosition + CB) + Vector2(D, D) * aPosition
 825
 826       // XA = transformSize * (1.0 - transformOffsetSizeMode.zw)
 827       // XB = transformSize * (1.0 - transformOffsetSizeMode.zw) * transformAnchorPoint
 828       //    + transformOffset * (1.0 - transformOffsetSizeMode.xy)
 829       //    + transformOrigin
 830       // CA = transformSize * transformOffsetSizeMode.zw + extraSize
 831       // CB = (transformSize * transformOffsetSizeMode.zw + extraSize) * transformAnchorPoint
 832       //    + transformOffset * transformOffsetSizeMode.xy
 833       // D = max((1.0 + clamp(borderlineOffset, -1.0, 1.0)) * borderlineWidth, 2.0 * blurRadius)
 834
 835       coefficient.coefXA = transformSize * Vector2(1.0f - transformOffsetSizeMode.z, 1.0f - transformOffsetSizeMode.w);
 836       coefficient.coefXB = coefficient.coefXA * transformAnchorPoint + transformOffset * Vector2(1.0f - transformOffsetSizeMode.x, 1.0f - transformOffsetSizeMode.y) + transformOrigin;
 837       coefficient.coefCA = transformSize * Vector2(transformOffsetSizeMode.z, transformOffsetSizeMode.w) + extraSize;
 838       coefficient.coefCB = coefficient.coefCA * transformAnchorPoint + transformOffset * Vector2(transformOffsetSizeMode.x, transformOffsetSizeMode.y);
 839     }
 840     if(mVisualProperties->mExtendedProperties)
 841     {
 842       const auto decoratedVisualProperties = static_cast<VisualRenderer::AnimatableDecoratedVisualProperties*>(mVisualProperties->mExtendedProperties);
 843
 844       uint64_t decoratedHash = 0xc70f6907UL;
 845
 846       decoratedHash = decoratedVisualProperties->mBorderlineWidth.Hash(updateBufferIndex, decoratedHash);
 847       decoratedHash = decoratedVisualProperties->mBorderlineOffset.Hash(updateBufferIndex, decoratedHash);
 848       decoratedHash = decoratedVisualProperties->mBlurRadius.Hash(updateBufferIndex, decoratedHash);
 849
 850       if(coefficient.decoratedHash != decoratedHash)
 851       {
 852         coefficient.decoratedHash = decoratedHash;
 853
 854         // DecoratedVisualProperty
 855         const float borderlineWidth  = decoratedVisualProperties->mBorderlineWidth.Get(updateBufferIndex);
 856         const float borderlineOffset = decoratedVisualProperties->mBorderlineOffset.Get(updateBufferIndex);
 857         const float blurRadius       = decoratedVisualProperties->mBlurRadius.Get(updateBufferIndex);
 858
 859         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "borderline width  %5.3f\n", borderlineWidth);
 860         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "borderline offset %5.3f\n", borderlineOffset);
 861         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "blur radius       %5.3f\n", blurRadius);
 862
 863         // D coefficients be used only decoratedVisual.
 864         // It can be calculated parallely with transform.
 865
 866         coefficient.coefD = std::max((1.0f + Dali::Clamp(borderlineOffset, -1.0f, 1.0f)) * borderlineWidth, 2.0f * blurRadius);
 867       }
 868     }
 869
 870     // Calculate vertex position by coefficient
 871     // It will reduce the number of operations
 872
 873     // const Vector2 minVertexPosition = (XA * -0.5 + XB) * originalSize + (CA * -0.5 + CB) + Vector2(D, D) * -0.5;
 874     // const Vector2 maxVertexPosition = (XA * +0.5 + XB) * originalSize + (CA * +0.5 + CB) + Vector2(D, D) * +0.5;
 875
 876     // When we set
 877     // basicVertexPosition = XB * originalSize + CB
 878     // scaleVertexPosition = XA * originalSize + CA + D
 879
 880     // --> minVertexPosition = basicVertexPosition + scaleVertexPosition * -0.5
 881     //     maxVertexPosition = basicVertexPosition + scaleVertexPosition * +0.5
 882
 883     // Then, resultSize = 2.0f * max(-minVertexPosition, maxVertexPosition);
 884     //                  = 2.0f * max(scaleVertexPosition * 0.5 - basicVertexPosition, scaleVertexPosition * 0.5 + basicVertexPosition)
 885     //                  = scaleVertexPosition + 2.0f * abs(basicVertexPosition)
 886     // Cause transform matrix will think center of vertex is (0, 0)
 887
 888     const Vector2 originalXY = Vector2(originalUpdateArea.x, originalUpdateArea.y);
 889     const Vector2 originalWH = Vector2(originalUpdateArea.z, originalUpdateArea.w);
 890
 891     const Vector2 basicVertexPosition = coefficient.coefXB * originalWH + coefficient.coefCB;
 892     const Vector2 scaleVertexPosition = coefficient.coefXA * originalWH + coefficient.coefCA;
 893
 894     // TODO : We need to re-generate coefficient to consitder area width/height
 895     const Vector4 resultArea = Vector4(originalXY.x,
 896                                        originalXY.y,
 897                                        scaleVertexPosition.x + 2.0f * abs(basicVertexPosition.x) + coefficient.coefD,
 898                                        scaleVertexPosition.y + 2.0f * abs(basicVertexPosition.y) + coefficient.coefD);
 899
 900     DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "%f %f %f %f--> %f %f %f %f\n", originalUpdateArea.x, originalUpdateArea.y, originalUpdateArea.z, originalUpdateArea.w, resultArea.x, resultArea.y, resultArea.z, resultArea.w);
 901
 902     return resultArea;
 903   }
 904   return originalUpdateArea;
 905 }
 906
 907 } // namespace SceneGraph
 908 } // namespace Internal
 909 } // namespace Dali