dali/internal/update/rendering/scene-graph-renderer.cpp

   1 /*
   2  * Copyright (c) 2022 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   // Observe our own PropertyOwner's uniform map.
 112   AddUniformMapObserver(*this);
 113 }
 114
 115 Renderer::~Renderer()
 116 {
 117   if(mShader)
 118   {
 119     mShader->RemoveUniformMapObserver(*this);
 120     mShader = nullptr;
 121   }
 122 }
 123
 124 void Renderer::operator delete(void* ptr)
 125 {
 126   gRendererMemoryPool.FreeThreadSafe(static_cast<Renderer*>(ptr));
 127 }
 128
 129 bool Renderer::PrepareRender(BufferIndex updateBufferIndex)
 130 {
 131   bool rendererUpdated = mResendFlag || mRenderingBehavior == DevelRenderer::Rendering::CONTINUOUSLY || mUpdateDecay > 0;
 132
 133   if(mUniformMapChangeCounter != mUniformMaps.GetChangeCounter())
 134   {
 135     // The map has changed since the last time we checked.
 136     rendererUpdated          = true;
 137     mRegenerateUniformMap    = true;
 138     mUpdateDecay             = Renderer::Decay::INITIAL; // Render at least twice if the map has changed/actor has been added
 139     mUniformMapChangeCounter = mUniformMaps.GetChangeCounter();
 140   }
 141   if(mUpdateDecay > 0)
 142   {
 143     mUpdateDecay = static_cast<Renderer::Decay>(static_cast<int>(mUpdateDecay) - 1);
 144   }
 145
 146   if(mResendFlag != 0)
 147   {
 148     if(mResendFlag & RESEND_GEOMETRY)
 149     {
 150       typedef MessageValue1<Render::Renderer, Render::Geometry*> DerivedType;
 151       uint32_t*                                                  slot = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 152       new(slot) DerivedType(mRenderer, &Render::Renderer::SetGeometry, mGeometry);
 153     }
 154
 155     if(mResendFlag & RESEND_DRAW_COMMANDS)
 156     {
 157       using DerivedType = MessageValue2<Render::Renderer, Dali::DevelRenderer::DrawCommand*, uint32_t>;
 158       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 159       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDrawCommands, mDrawCommands.data(), mDrawCommands.size());
 160     }
 161
 162     if(mResendFlag & RESEND_FACE_CULLING_MODE)
 163     {
 164       using DerivedType = MessageValue1<Render::Renderer, FaceCullingMode::Type>;
 165       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 166       new(slot) DerivedType(mRenderer, &Render::Renderer::SetFaceCullingMode, mFaceCullingMode);
 167     }
 168
 169     if(mResendFlag & RESEND_BLEND_BIT_MASK)
 170     {
 171       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 172       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 173       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendingBitMask, mBlendBitmask);
 174     }
 175
 176     if(mResendFlag & RESEND_BLEND_COLOR)
 177     {
 178       using DerivedType = MessageValue1<Render::Renderer, Vector4>;
 179       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 180       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendColor, GetBlendColor());
 181     }
 182
 183     if(mResendFlag & RESEND_PREMULTIPLIED_ALPHA)
 184     {
 185       using DerivedType = MessageValue1<Render::Renderer, bool>;
 186       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 187       new(slot) DerivedType(mRenderer, &Render::Renderer::EnablePreMultipliedAlpha, mPremultipledAlphaEnabled);
 188     }
 189
 190     if(mResendFlag & RESEND_INDEXED_DRAW_FIRST_ELEMENT)
 191     {
 192       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 193       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 194       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawFirstElement, mIndexedDrawFirstElement);
 195     }
 196
 197     if(mResendFlag & RESEND_INDEXED_DRAW_ELEMENTS_COUNT)
 198     {
 199       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 200       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 201       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawElementsCount, mIndexedDrawElementsCount);
 202     }
 203
 204     if(mResendFlag & RESEND_DEPTH_WRITE_MODE)
 205     {
 206       using DerivedType = MessageValue1<Render::Renderer, DepthWriteMode::Type>;
 207       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 208       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthWriteMode, mDepthWriteMode);
 209     }
 210
 211     if(mResendFlag & RESEND_DEPTH_TEST_MODE)
 212     {
 213       using DerivedType = MessageValue1<Render::Renderer, DepthTestMode::Type>;
 214       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 215       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthTestMode, mDepthTestMode);
 216     }
 217
 218     if(mResendFlag & RESEND_DEPTH_FUNCTION)
 219     {
 220       using DerivedType = MessageValue1<Render::Renderer, DepthFunction::Type>;
 221       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 222       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthFunction, mDepthFunction);
 223     }
 224
 225     if(mResendFlag & RESEND_RENDER_MODE)
 226     {
 227       using DerivedType = MessageValue1<Render::Renderer, RenderMode::Type>;
 228       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 229       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderMode, mStencilParameters.renderMode);
 230     }
 231
 232     if(mResendFlag & RESEND_STENCIL_FUNCTION)
 233     {
 234       using DerivedType = MessageValue1<Render::Renderer, StencilFunction::Type>;
 235       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 236       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunction, mStencilParameters.stencilFunction);
 237     }
 238
 239     if(mResendFlag & RESEND_STENCIL_FUNCTION_MASK)
 240     {
 241       using DerivedType = MessageValue1<Render::Renderer, int>;
 242       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 243       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionMask, mStencilParameters.stencilFunctionMask);
 244     }
 245
 246     if(mResendFlag & RESEND_STENCIL_FUNCTION_REFERENCE)
 247     {
 248       using DerivedType = MessageValue1<Render::Renderer, int>;
 249       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 250       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionReference, mStencilParameters.stencilFunctionReference);
 251     }
 252
 253     if(mResendFlag & RESEND_STENCIL_MASK)
 254     {
 255       using DerivedType = MessageValue1<Render::Renderer, int>;
 256       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 257       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilMask, mStencilParameters.stencilMask);
 258     }
 259
 260     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_FAIL)
 261     {
 262       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 263       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 264       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnFail, mStencilParameters.stencilOperationOnFail);
 265     }
 266
 267     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_FAIL)
 268     {
 269       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 270       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 271       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZFail, mStencilParameters.stencilOperationOnZFail);
 272     }
 273
 274     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_PASS)
 275     {
 276       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 277       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 278       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZPass, mStencilParameters.stencilOperationOnZPass);
 279     }
 280
 281     if(mResendFlag & RESEND_SHADER)
 282     {
 283       using DerivedType = MessageValue1<Render::Renderer, bool>;
 284       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 285       new(slot) DerivedType(mRenderer, &Render::Renderer::SetShaderChanged, true);
 286     }
 287
 288     if(mResendFlag & RESEND_SET_RENDER_CALLBACK)
 289     {
 290       using DerivedType = MessageValue1<Render::Renderer, Dali::RenderCallback*>;
 291       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 292       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderCallback, mRenderCallback);
 293     }
 294
 295     SetUpdated(true);
 296
 297     mResendFlag = 0;
 298   }
 299
 300   // Ensure collected map is up to date
 301   UpdateUniformMap(updateBufferIndex);
 302
 303   return rendererUpdated;
 304 }
 305
 306 void Renderer::SetTextures(TextureSet* textureSet)
 307 {
 308   DALI_ASSERT_DEBUG(textureSet != NULL && "Texture set pointer is NULL");
 309
 310   mTextureSet = textureSet;
 311
 312   mDirtyFlag = true;
 313   SetUpdated(true);
 314 }
 315
 316 const Vector<Render::Texture*>* Renderer::GetTextures() const
 317 {
 318   return mTextureSet ? &(mTextureSet->GetTextures()) : nullptr;
 319 }
 320
 321 const Vector<Render::Sampler*>* Renderer::GetSamplers() const
 322 {
 323   return mTextureSet ? &(mTextureSet->GetSamplers()) : nullptr;
 324 }
 325
 326 void Renderer::SetShader(Shader* shader)
 327 {
 328   DALI_ASSERT_DEBUG(shader != NULL && "Shader pointer is NULL");
 329
 330   if(mShader)
 331   {
 332     mShader->RemoveUniformMapObserver(*this);
 333   }
 334
 335   mShader = shader;
 336   mShader->AddUniformMapObserver(*this);
 337   mRegenerateUniformMap = true;
 338   mResendFlag |= RESEND_GEOMETRY | RESEND_SHADER;
 339   mDirtyFlag = true;
 340 }
 341
 342 void Renderer::SetGeometry(Render::Geometry* geometry)
 343 {
 344   DALI_ASSERT_DEBUG(geometry != NULL && "Geometry pointer is NULL");
 345   mGeometry = geometry;
 346
 347   if(mRenderer)
 348   {
 349     mResendFlag |= RESEND_GEOMETRY;
 350   }
 351 }
 352
 353 void Renderer::SetDepthIndex(int depthIndex)
 354 {
 355   mDepthIndex = depthIndex;
 356
 357   mDirtyFlag = true;
 358   SetUpdated(true);
 359 }
 360
 361 void Renderer::SetFaceCullingMode(FaceCullingMode::Type faceCullingMode)
 362 {
 363   mFaceCullingMode = faceCullingMode;
 364   mResendFlag |= RESEND_FACE_CULLING_MODE;
 365 }
 366
 367 FaceCullingMode::Type Renderer::GetFaceCullingMode() const
 368 {
 369   return mFaceCullingMode;
 370 }
 371
 372 void Renderer::SetBlendMode(BlendMode::Type blendingMode)
 373 {
 374   mBlendMode = blendingMode;
 375
 376   mDirtyFlag = true;
 377   SetUpdated(true);
 378 }
 379
 380 BlendMode::Type Renderer::GetBlendMode() const
 381 {
 382   return mBlendMode;
 383 }
 384
 385 void Renderer::SetBlendingOptions(uint32_t options)
 386 {
 387   if(mBlendBitmask != options)
 388   {
 389     mBlendBitmask = options;
 390     mResendFlag |= RESEND_BLEND_BIT_MASK;
 391     mDirtyFlag = true;
 392   }
 393 }
 394
 395 uint32_t Renderer::GetBlendingOptions() const
 396 {
 397   return mBlendBitmask;
 398 }
 399
 400 void Renderer::SetBlendColor(const Vector4& blendColor)
 401 {
 402   if(blendColor == Color::TRANSPARENT)
 403   {
 404     mBlendColor = nullptr;
 405   }
 406   else
 407   {
 408     if(!mBlendColor)
 409     {
 410       mBlendColor = new Vector4(blendColor);
 411     }
 412     else
 413     {
 414       *mBlendColor = blendColor;
 415     }
 416   }
 417
 418   mResendFlag |= RESEND_BLEND_COLOR;
 419 }
 420
 421 Vector4 Renderer::GetBlendColor() const
 422 {
 423   if(mBlendColor)
 424   {
 425     return *mBlendColor;
 426   }
 427   return Color::TRANSPARENT;
 428 }
 429
 430 void Renderer::SetIndexedDrawFirstElement(uint32_t firstElement)
 431 {
 432   mIndexedDrawFirstElement = firstElement;
 433   mResendFlag |= RESEND_INDEXED_DRAW_FIRST_ELEMENT;
 434 }
 435
 436 uint32_t Renderer::GetIndexedDrawFirstElement() const
 437 {
 438   return mIndexedDrawFirstElement;
 439 }
 440
 441 void Renderer::SetIndexedDrawElementsCount(uint32_t elementsCount)
 442 {
 443   mIndexedDrawElementsCount = elementsCount;
 444   mResendFlag |= RESEND_INDEXED_DRAW_ELEMENTS_COUNT;
 445 }
 446
 447 uint32_t Renderer::GetIndexedDrawElementsCount() const
 448 {
 449   return mIndexedDrawElementsCount;
 450 }
 451
 452 void Renderer::EnablePreMultipliedAlpha(bool preMultipled)
 453 {
 454   mPremultipledAlphaEnabled = preMultipled;
 455   mResendFlag |= RESEND_PREMULTIPLIED_ALPHA;
 456 }
 457
 458 bool Renderer::IsPreMultipliedAlphaEnabled() const
 459 {
 460   return mPremultipledAlphaEnabled;
 461 }
 462
 463 void Renderer::SetDepthWriteMode(DepthWriteMode::Type depthWriteMode)
 464 {
 465   mDepthWriteMode = depthWriteMode;
 466   mResendFlag |= RESEND_DEPTH_WRITE_MODE;
 467 }
 468
 469 DepthWriteMode::Type Renderer::GetDepthWriteMode() const
 470 {
 471   return mDepthWriteMode;
 472 }
 473
 474 void Renderer::SetDepthTestMode(DepthTestMode::Type depthTestMode)
 475 {
 476   mDepthTestMode = depthTestMode;
 477   mResendFlag |= RESEND_DEPTH_TEST_MODE;
 478 }
 479
 480 DepthTestMode::Type Renderer::GetDepthTestMode() const
 481 {
 482   return mDepthTestMode;
 483 }
 484
 485 void Renderer::SetDepthFunction(DepthFunction::Type depthFunction)
 486 {
 487   mDepthFunction = depthFunction;
 488   mResendFlag |= RESEND_DEPTH_FUNCTION;
 489 }
 490
 491 DepthFunction::Type Renderer::GetDepthFunction() const
 492 {
 493   return mDepthFunction;
 494 }
 495
 496 void Renderer::SetRenderMode(RenderMode::Type mode)
 497 {
 498   mStencilParameters.renderMode = mode;
 499   mResendFlag |= RESEND_RENDER_MODE;
 500 }
 501
 502 void Renderer::SetStencilFunction(StencilFunction::Type stencilFunction)
 503 {
 504   mStencilParameters.stencilFunction = stencilFunction;
 505   mResendFlag |= RESEND_STENCIL_FUNCTION;
 506 }
 507
 508 void Renderer::SetStencilFunctionMask(int stencilFunctionMask)
 509 {
 510   mStencilParameters.stencilFunctionMask = stencilFunctionMask;
 511   mResendFlag |= RESEND_STENCIL_FUNCTION_MASK;
 512 }
 513
 514 void Renderer::SetStencilFunctionReference(int stencilFunctionReference)
 515 {
 516   mStencilParameters.stencilFunctionReference = stencilFunctionReference;
 517   mResendFlag |= RESEND_STENCIL_FUNCTION_REFERENCE;
 518 }
 519
 520 void Renderer::SetStencilMask(int stencilMask)
 521 {
 522   mStencilParameters.stencilMask = stencilMask;
 523   mResendFlag |= RESEND_STENCIL_MASK;
 524 }
 525
 526 void Renderer::SetStencilOperationOnFail(StencilOperation::Type stencilOperationOnFail)
 527 {
 528   mStencilParameters.stencilOperationOnFail = stencilOperationOnFail;
 529   mResendFlag |= RESEND_STENCIL_OPERATION_ON_FAIL;
 530 }
 531
 532 void Renderer::SetStencilOperationOnZFail(StencilOperation::Type stencilOperationOnZFail)
 533 {
 534   mStencilParameters.stencilOperationOnZFail = stencilOperationOnZFail;
 535   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_FAIL;
 536 }
 537
 538 void Renderer::SetStencilOperationOnZPass(StencilOperation::Type stencilOperationOnZPass)
 539 {
 540   mStencilParameters.stencilOperationOnZPass = stencilOperationOnZPass;
 541   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_PASS;
 542 }
 543
 544 void Renderer::SetRenderCallback(RenderCallback* callback)
 545 {
 546   mRenderCallback = callback;
 547   mResendFlag |= RESEND_SET_RENDER_CALLBACK;
 548   mDirtyFlag = true;
 549 }
 550
 551 const Render::Renderer::StencilParameters& Renderer::GetStencilParameters() const
 552 {
 553   return mStencilParameters;
 554 }
 555
 556 void Renderer::BakeOpacity(BufferIndex updateBufferIndex, float opacity)
 557 {
 558   mOpacity.Bake(updateBufferIndex, opacity);
 559
 560   mDirtyFlag = true;
 561   SetUpdated(true);
 562 }
 563
 564 float Renderer::GetOpacity(BufferIndex updateBufferIndex) const
 565 {
 566   return mOpacity[updateBufferIndex];
 567 }
 568
 569 void Renderer::SetRenderingBehavior(DevelRenderer::Rendering::Type renderingBehavior)
 570 {
 571   mRenderingBehavior = renderingBehavior;
 572   SetUpdated(true);
 573 }
 574
 575 DevelRenderer::Rendering::Type Renderer::GetRenderingBehavior() const
 576 {
 577   return mRenderingBehavior;
 578 }
 579
 580 //Called when SceneGraph::Renderer is added to update manager ( that happens when an "event-thread renderer" is created )
 581 void Renderer::ConnectToSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 582 {
 583   mRegenerateUniformMap = true;
 584   mSceneController      = &sceneController;
 585
 586   mRenderer = Render::Renderer::New(this, mGeometry, mBlendBitmask, GetBlendColor(), static_cast<FaceCullingMode::Type>(mFaceCullingMode), mPremultipledAlphaEnabled, mDepthWriteMode, mDepthTestMode, mDepthFunction, mStencilParameters);
 587
 588   OwnerPointer<Render::Renderer> transferOwnership(mRenderer);
 589   mSceneController->GetRenderMessageDispatcher().AddRenderer(transferOwnership);
 590 }
 591
 592 //Called just before destroying the scene-graph renderer ( when the "event-thread renderer" is no longer referenced )
 593 void Renderer::DisconnectFromSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 594 {
 595   //Remove renderer from RenderManager
 596   if(mRenderer)
 597   {
 598     mSceneController->GetRenderMessageDispatcher().RemoveRenderer(*mRenderer);
 599     mRenderer = nullptr;
 600   }
 601   mSceneController = nullptr;
 602 }
 603
 604 Render::Renderer& Renderer::GetRenderer()
 605 {
 606   return *mRenderer;
 607 }
 608
 609 Renderer::OpacityType Renderer::GetOpacityType(BufferIndex updateBufferIndex, const Node& node) const
 610 {
 611   Renderer::OpacityType opacityType = Renderer::OPAQUE;
 612
 613   if(node.IsTransparent())
 614   {
 615     return Renderer::TRANSPARENT;
 616   }
 617
 618   switch(mBlendMode)
 619   {
 620     case BlendMode::ON_WITHOUT_CULL: // If the renderer should always be use blending and never want to be transparent by alpha.
 621     {
 622       opacityType = Renderer::TRANSLUCENT;
 623       break;
 624     }
 625     case BlendMode::ON: // If the renderer should always be use blending
 626     {
 627       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 628       if(alpha <= FULLY_TRANSPARENT)
 629       {
 630         opacityType = Renderer::TRANSPARENT;
 631       }
 632       else
 633       {
 634         opacityType = Renderer::TRANSLUCENT;
 635       }
 636       break;
 637     }
 638     case BlendMode::AUTO:
 639     {
 640       if(BlendingOptions::IsAdvancedBlendEquationIncluded(mBlendBitmask))
 641       {
 642         opacityType = Renderer::TRANSLUCENT;
 643         break;
 644       }
 645
 646       bool shaderRequiresBlending(mShader->HintEnabled(Dali::Shader::Hint::OUTPUT_IS_TRANSPARENT));
 647       if(shaderRequiresBlending || (mTextureSet && mTextureSet->HasAlpha()))
 648       {
 649         opacityType = Renderer::TRANSLUCENT;
 650       }
 651
 652       // renderer should determine opacity using the actor color
 653       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 654       if(alpha <= FULLY_TRANSPARENT)
 655       {
 656         opacityType = Renderer::TRANSPARENT;
 657       }
 658       else if(alpha <= FULLY_OPAQUE)
 659       {
 660         opacityType = Renderer::TRANSLUCENT;
 661       }
 662
 663       break;
 664     }
 665     case BlendMode::USE_ACTOR_OPACITY: // the renderer should never use blending
 666     {
 667       // renderer should determine opacity using the actor color
 668       float alpha = node.GetWorldColor(updateBufferIndex).a;
 669       if(alpha <= FULLY_TRANSPARENT)
 670       {
 671         opacityType = Renderer::TRANSPARENT;
 672       }
 673       else if(alpha < FULLY_OPAQUE)
 674       {
 675         opacityType = Renderer::TRANSLUCENT;
 676       }
 677       else
 678       {
 679         opacityType = Renderer::OPAQUE;
 680       }
 681       break;
 682     }
 683     case BlendMode::OFF: // the renderer should never use blending
 684     default:
 685     {
 686       opacityType = Renderer::OPAQUE;
 687       break;
 688     }
 689   }
 690
 691   return opacityType;
 692 }
 693
 694 void Renderer::UpdateUniformMap(BufferIndex updateBufferIndex)
 695 {
 696   if(mRegenerateUniformMap)
 697   {
 698     CollectedUniformMap& localMap = mCollectedUniformMap;
 699     localMap.Clear();
 700
 701     const UniformMap& rendererUniformMap = PropertyOwner::GetUniformMap();
 702
 703     auto size = rendererUniformMap.Count();
 704     if(mShader)
 705     {
 706       size += mShader->GetUniformMap().Count();
 707     }
 708
 709     localMap.Reserve(size);
 710     localMap.AddMappings(rendererUniformMap);
 711     if(mShader)
 712     {
 713       localMap.AddMappings(mShader->GetUniformMap());
 714     }
 715     localMap.UpdateChangeCounter();
 716     mRegenerateUniformMap = false;
 717     SetUpdated(true);
 718   }
 719
 720   uint64_t                                  hash                   = 0xc70f6907UL;
 721   const SceneGraph::UniformMapDataProvider& uniformMapDataProvider = GetUniformMapDataProvider();
 722   const SceneGraph::CollectedUniformMap&    collectedUniformMap    = uniformMapDataProvider.GetCollectedUniformMap();
 723   for(uint32_t i = 0u, count = collectedUniformMap.Count(); i < count; ++i)
 724   {
 725     hash = collectedUniformMap.mUniformMap[i].propertyPtr->Hash(updateBufferIndex, hash);
 726   }
 727   if(mUniformsHash != hash)
 728   {
 729     mUniformsHash = hash;
 730     SetUpdated(true);
 731   }
 732 }
 733
 734 void Renderer::SetDrawCommands(Dali::DevelRenderer::DrawCommand* pDrawCommands, uint32_t size)
 735 {
 736   mDrawCommands.clear();
 737   mDrawCommands.insert(mDrawCommands.end(), pDrawCommands, pDrawCommands + size);
 738   mResendFlag |= RESEND_DRAW_COMMANDS;
 739 }
 740
 741 bool Renderer::IsDirty() const
 742 {
 743   // Check whether the opacity property has changed
 744   return (mDirtyFlag || !mOpacity.IsClean());
 745 }
 746
 747 void Renderer::ResetDirtyFlag()
 748 {
 749   mDirtyFlag = false;
 750
 751   SetUpdated(false);
 752 }
 753
 754 uint32_t Renderer::GetMemoryPoolCapacity()
 755 {
 756   return gRendererMemoryPool.GetCapacity();
 757 }
 758
 759 void Renderer::UniformMappingsChanged(const UniformMap& mappings)
 760 {
 761   // The mappings are either from PropertyOwner base class, or the Shader
 762   mRegenerateUniformMap = true; // Should remain true until this renderer is added to a RenderList.
 763 }
 764
 765 const CollectedUniformMap& Renderer::GetCollectedUniformMap() const
 766 {
 767   return mCollectedUniformMap;
 768 }
 769
 770 Vector4 Renderer::GetVisualTransformedUpdateArea(BufferIndex updateBufferIndex, const Vector4& originalUpdateArea) noexcept
 771 {
 772   if(mVisualProperties)
 773   {
 774     auto& coefficient = mVisualProperties->mCoefficient;
 775
 776     // TODO : We may need to get some method that visual properties changed, without hash.
 777     // Or, need to call this API in PreRender side.
 778
 779     uint64_t hash = 0xc70f6907UL;
 780
 781     hash = mVisualProperties->mTransformOffset.Hash(updateBufferIndex, hash);
 782     hash = mVisualProperties->mTransformOffsetSizeMode.Hash(updateBufferIndex, hash);
 783     hash = mVisualProperties->mTransformSize.Hash(updateBufferIndex, hash);
 784     hash = mVisualProperties->mTransformOrigin.Hash(updateBufferIndex, hash);
 785     hash = mVisualProperties->mTransformAnchorPoint.Hash(updateBufferIndex, hash);
 786     hash = mVisualProperties->mExtraSize.Hash(updateBufferIndex, hash);
 787
 788     if(coefficient.hash != hash)
 789     {
 790       coefficient.hash = hash;
 791
 792       // VisualProperty
 793       const Vector2 transformOffset         = mVisualProperties->mTransformOffset.Get(updateBufferIndex);
 794       const Vector4 transformOffsetSizeMode = mVisualProperties->mTransformOffsetSizeMode.Get(updateBufferIndex);
 795       const Vector2 transformSize           = mVisualProperties->mTransformSize.Get(updateBufferIndex);
 796       const Vector2 transformOrigin         = mVisualProperties->mTransformOrigin.Get(updateBufferIndex);
 797       const Vector2 transformAnchorPoint    = mVisualProperties->mTransformAnchorPoint.Get(updateBufferIndex);
 798       const Vector2 extraSize               = mVisualProperties->mExtraSize.Get(updateBufferIndex);
 799
 800       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform size   %5.3f %5.3f\n", transformSize.x, transformSize.y);
 801       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform offset %5.3f %5.3f\n", transformOffset.x, transformOffset.y);
 802       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform origin %5.3f %5.3f\n", transformOrigin.x, transformOrigin.y);
 803       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform anchor %5.3f %5.3f\n", transformAnchorPoint.x, transformAnchorPoint.y);
 804       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "extra size       %5.3f %5.3f\n", extraSize.x, extraSize.y);
 805
 806       // const Vector2 visualSize = Vector2(Dali::Lerp(transformOffsetSizeMode.z, originalSize.x * transformSize.x, transformSize.x),
 807       //                                    Dali::Lerp(transformOffsetSizeMode.w, originalSize.y * transformSize.y, transformSize.y)) +
 808       //                            extraSize;
 809       // const Vector2 visualOffset = Vector2(Dali::Lerp(transformOffsetSizeMode.x, originalSize.x * transformOffset.x, transformOffset.x),
 810       //                                      Dali::Lerp(transformOffsetSizeMode.y, originalSize.y * transformOffset.y, transformOffset.y));
 811
 812       // const float decoratedBorderlineWidth = std::max((1.0f + Dali::Clamp(borderlineOffset, -1.0f, 1.0f)) * borderlineWidth, 2.0f * blurRadius);
 813       // const Vector2 decoratedVisualSize    = visualSize + Vector2(decoratedBorderlineWidth, decoratedBorderlineWidth);
 814
 815       // Note : vertexPositoin.xy = aPosition * decoratedVisualSize
 816       //                          + anchorPoint * visualSize
 817       //                          + origin * uSize.xy
 818       //                          + visualOffset;
 819
 820       // Calculate same logic of visual's vertex shader transform.
 821       // minVertexPosition = -0.5f * decoratedVisualSize + transformAnchorPoint * visualSize + transformOrigin * originalSize.xy + visualOffset
 822       // maxVertexPosition =  0.5f * decoratedVisualSize + transformAnchorPoint * visualSize + transformOrigin * originalSize.xy + visualOffset
 823
 824       // Update cached VisualTransformedUpdateSizeCoefficientCache
 825
 826       // Note : vertexPosition = (XA * aPosition + XB) * originalSize + (CA * aPosition + CB) + Vector2(D, D) * aPosition
 827
 828       // XA = transformSize * (1.0 - transformOffsetSizeMode.zw)
 829       // XB = transformSize * (1.0 - transformOffsetSizeMode.zw) * transformAnchorPoint
 830       //    + transformOffset * (1.0 - transformOffsetSizeMode.xy)
 831       //    + transformOrigin
 832       // CA = transformSize * transformOffsetSizeMode.zw + extraSize
 833       // CB = (transformSize * transformOffsetSizeMode.zw + extraSize) * transformAnchorPoint
 834       //    + transformOffset * transformOffsetSizeMode.xy
 835       // D = max((1.0 + clamp(borderlineOffset, -1.0, 1.0)) * borderlineWidth, 2.0 * blurRadius)
 836
 837       coefficient.coefXA = transformSize * Vector2(1.0f - transformOffsetSizeMode.z, 1.0f - transformOffsetSizeMode.w);
 838       coefficient.coefXB = coefficient.coefXA * transformAnchorPoint + transformOffset * Vector2(1.0f - transformOffsetSizeMode.x, 1.0f - transformOffsetSizeMode.y) + transformOrigin;
 839       coefficient.coefCA = transformSize * Vector2(transformOffsetSizeMode.z, transformOffsetSizeMode.w) + extraSize;
 840       coefficient.coefCB = coefficient.coefCA * transformAnchorPoint + transformOffset * Vector2(transformOffsetSizeMode.x, transformOffsetSizeMode.y);
 841     }
 842     if(mVisualProperties->mExtendedProperties)
 843     {
 844       const auto decoratedVisualProperties = static_cast<VisualRenderer::AnimatableDecoratedVisualProperties*>(mVisualProperties->mExtendedProperties);
 845
 846       uint64_t decoratedHash = 0xc70f6907UL;
 847
 848       decoratedHash = decoratedVisualProperties->mBorderlineWidth.Hash(updateBufferIndex, decoratedHash);
 849       decoratedHash = decoratedVisualProperties->mBorderlineOffset.Hash(updateBufferIndex, decoratedHash);
 850       decoratedHash = decoratedVisualProperties->mBlurRadius.Hash(updateBufferIndex, decoratedHash);
 851
 852       if(coefficient.decoratedHash != decoratedHash)
 853       {
 854         coefficient.decoratedHash = decoratedHash;
 855
 856         // DecoratedVisualProperty
 857         const float borderlineWidth  = decoratedVisualProperties->mBorderlineWidth.Get(updateBufferIndex);
 858         const float borderlineOffset = decoratedVisualProperties->mBorderlineOffset.Get(updateBufferIndex);
 859         const float blurRadius       = decoratedVisualProperties->mBlurRadius.Get(updateBufferIndex);
 860
 861         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "borderline width  %5.3f\n", borderlineWidth);
 862         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "borderline offset %5.3f\n", borderlineOffset);
 863         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "blur radius       %5.3f\n", blurRadius);
 864
 865         // D coefficients be used only decoratedVisual.
 866         // It can be calculated parallely with transform.
 867
 868         coefficient.coefD = std::max((1.0f + Dali::Clamp(borderlineOffset, -1.0f, 1.0f)) * borderlineWidth, 2.0f * blurRadius);
 869       }
 870     }
 871
 872     // Calculate vertex position by coefficient
 873     // It will reduce the number of operations
 874
 875     // const Vector2 minVertexPosition = (XA * -0.5 + XB) * originalSize + (CA * -0.5 + CB) + Vector2(D, D) * -0.5;
 876     // const Vector2 maxVertexPosition = (XA * +0.5 + XB) * originalSize + (CA * +0.5 + CB) + Vector2(D, D) * +0.5;
 877
 878     // When we set
 879     // basicVertexPosition = XB * originalSize + CB
 880     // scaleVertexPosition = XA * originalSize + CA + D
 881
 882     // --> minVertexPosition = basicVertexPosition + scaleVertexPosition * -0.5
 883     //     maxVertexPosition = basicVertexPosition + scaleVertexPosition * +0.5
 884
 885     // Then, resultSize = 2.0f * max(-minVertexPosition, maxVertexPosition);
 886     //                  = 2.0f * max(scaleVertexPosition * 0.5 - basicVertexPosition, scaleVertexPosition * 0.5 + basicVertexPosition)
 887     //                  = scaleVertexPosition + 2.0f * abs(basicVertexPosition)
 888     // Cause transform matrix will think center of vertex is (0, 0)
 889
 890     const Vector2 originalXY = Vector2(originalUpdateArea.x, originalUpdateArea.y);
 891     const Vector2 originalWH = Vector2(originalUpdateArea.z, originalUpdateArea.w);
 892
 893     const Vector2 basicVertexPosition = coefficient.coefXB * originalWH + coefficient.coefCB;
 894     const Vector2 scaleVertexPosition = coefficient.coefXA * originalWH + coefficient.coefCA;
 895
 896     // TODO : We need to re-generate coefficient to consitder area width/height
 897     const Vector4 resultArea = Vector4(originalXY.x,
 898                                        originalXY.y,
 899                                        scaleVertexPosition.x + 2.0f * abs(basicVertexPosition.x) + coefficient.coefD,
 900                                        scaleVertexPosition.y + 2.0f * abs(basicVertexPosition.y) + coefficient.coefD);
 901
 902     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);
 903
 904     return resultArea;
 905   }
 906   return originalUpdateArea;
 907 }
 908
 909 } // namespace SceneGraph
 910 } // namespace Internal
 911 } // namespace Dali