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/event/rendering/decorated-visual-renderer-impl.h> // For DecoratedVisualRenderer::AnimatableDecoratedVisualProperties
  25 #include <dali/internal/render/data-providers/node-data-provider.h>
  26 #include <dali/internal/render/data-providers/render-data-provider.h>
  27 #include <dali/internal/render/queue/render-queue.h>
  28 #include <dali/internal/render/renderers/render-geometry.h>
  29 #include <dali/internal/render/shaders/program.h>
  30 #include <dali/internal/render/shaders/render-shader.h>
  31 #include <dali/internal/update/controllers/render-message-dispatcher.h>
  32 #include <dali/internal/update/controllers/scene-controller.h>
  33 #include <dali/internal/update/nodes/node.h>
  34 #include <dali/internal/update/rendering/scene-graph-texture-set.h>
  35
  36 #include <dali/integration-api/debug.h>
  37
  38 namespace Dali
  39 {
  40 namespace Internal
  41 {
  42 namespace SceneGraph
  43 {
  44 namespace // unnamed namespace
  45 {
  46 #ifdef DEBUG_ENABLED
  47 Debug::Filter* gSceneGraphRendererLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_SG_RENDERER");
  48 #endif
  49
  50 //Memory pool used to allocate new renderers. Memory used by this pool will be released when shutting down DALi
  51 MemoryPoolObjectAllocator<Renderer> gRendererMemoryPool;
  52
  53 // Flags for re-sending data to renderer.
  54 enum Flags
  55 {
  56   RESEND_GEOMETRY                    = 1 << 0,
  57   RESEND_FACE_CULLING_MODE           = 1 << 1,
  58   RESEND_BLEND_COLOR                 = 1 << 2,
  59   RESEND_BLEND_BIT_MASK              = 1 << 3,
  60   RESEND_PREMULTIPLIED_ALPHA         = 1 << 4,
  61   RESEND_INDEXED_DRAW_FIRST_ELEMENT  = 1 << 5,
  62   RESEND_INDEXED_DRAW_ELEMENTS_COUNT = 1 << 6,
  63   RESEND_DEPTH_WRITE_MODE            = 1 << 7,
  64   RESEND_DEPTH_TEST_MODE             = 1 << 8,
  65   RESEND_DEPTH_FUNCTION              = 1 << 9,
  66   RESEND_RENDER_MODE                 = 1 << 10,
  67   RESEND_STENCIL_FUNCTION            = 1 << 11,
  68   RESEND_STENCIL_FUNCTION_MASK       = 1 << 12,
  69   RESEND_STENCIL_FUNCTION_REFERENCE  = 1 << 13,
  70   RESEND_STENCIL_MASK                = 1 << 14,
  71   RESEND_STENCIL_OPERATION_ON_FAIL   = 1 << 15,
  72   RESEND_STENCIL_OPERATION_ON_Z_FAIL = 1 << 16,
  73   RESEND_STENCIL_OPERATION_ON_Z_PASS = 1 << 17,
  74   RESEND_WRITE_TO_COLOR_BUFFER       = 1 << 18,
  75   RESEND_SHADER                      = 1 << 19,
  76   RESEND_DRAW_COMMANDS               = 1 << 20,
  77   RESEND_SET_RENDER_CALLBACK         = 1 << 21
  78 };
  79
  80 } // Anonymous namespace
  81
  82 Renderer* Renderer::New()
  83 {
  84   return new(gRendererMemoryPool.AllocateRawThreadSafe()) Renderer();
  85 }
  86
  87 Renderer::Renderer()
  88 : mSceneController(nullptr),
  89   mRenderer(nullptr),
  90   mTextureSet(nullptr),
  91   mGeometry(nullptr),
  92   mShader(nullptr),
  93   mBlendColor(nullptr),
  94   mStencilParameters(RenderMode::AUTO, StencilFunction::ALWAYS, 0xFF, 0x00, 0xFF, StencilOperation::KEEP, StencilOperation::KEEP, StencilOperation::KEEP),
  95   mIndexedDrawFirstElement(0u),
  96   mIndexedDrawElementsCount(0u),
  97   mBlendBitmask(0u),
  98   mResendFlag(0u),
  99   mDepthFunction(DepthFunction::LESS),
 100   mFaceCullingMode(FaceCullingMode::NONE),
 101   mBlendMode(BlendMode::AUTO),
 102   mDepthWriteMode(DepthWriteMode::AUTO),
 103   mDepthTestMode(DepthTestMode::AUTO),
 104   mRenderingBehavior(DevelRenderer::Rendering::IF_REQUIRED),
 105   mUpdateDecay(Renderer::Decay::INITIAL),
 106   mRegenerateUniformMap(false),
 107   mUniformMapUpdated(false),
 108   mPremultipledAlphaEnabled(false),
 109   mOpacity(1.0f),
 110   mDepthIndex(0)
 111 {
 112   // Observe our own PropertyOwner's uniform map.
 113   AddUniformMapObserver(*this);
 114 }
 115
 116 Renderer::~Renderer()
 117 {
 118   if(mShader)
 119   {
 120     mShader->RemoveUniformMapObserver(*this);
 121     mShader = nullptr;
 122   }
 123 }
 124
 125 void Renderer::operator delete(void* ptr)
 126 {
 127   gRendererMemoryPool.FreeThreadSafe(static_cast<Renderer*>(ptr));
 128 }
 129
 130 bool Renderer::PrepareRender(BufferIndex updateBufferIndex)
 131 {
 132   bool rendererUpdated = mResendFlag || mRenderingBehavior == DevelRenderer::Rendering::CONTINUOUSLY || mUpdateDecay > 0;
 133
 134   if(mUniformMapChangeCounter != mUniformMaps.GetChangeCounter())
 135   {
 136     // The map has changed since the last time we checked.
 137     rendererUpdated          = true;
 138     mRegenerateUniformMap    = true;
 139     mUpdateDecay             = Renderer::Decay::INITIAL; // Render at least twice if the map has changed/actor has been added
 140     mUniformMapChangeCounter = mUniformMaps.GetChangeCounter();
 141   }
 142   if(mUpdateDecay > 0)
 143   {
 144     mUpdateDecay = static_cast<Renderer::Decay>(static_cast<int>(mUpdateDecay) - 1);
 145   }
 146
 147   if(mResendFlag != 0)
 148   {
 149     if(mResendFlag & RESEND_GEOMETRY)
 150     {
 151       typedef MessageValue1<Render::Renderer, Render::Geometry*> DerivedType;
 152       uint32_t*                                                  slot = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 153       new(slot) DerivedType(mRenderer, &Render::Renderer::SetGeometry, mGeometry);
 154     }
 155
 156     if(mResendFlag & RESEND_DRAW_COMMANDS)
 157     {
 158       using DerivedType = MessageValue2<Render::Renderer, Dali::DevelRenderer::DrawCommand*, uint32_t>;
 159       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 160       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDrawCommands, mDrawCommands.data(), mDrawCommands.size());
 161     }
 162
 163     if(mResendFlag & RESEND_FACE_CULLING_MODE)
 164     {
 165       using DerivedType = MessageValue1<Render::Renderer, FaceCullingMode::Type>;
 166       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 167       new(slot) DerivedType(mRenderer, &Render::Renderer::SetFaceCullingMode, mFaceCullingMode);
 168     }
 169
 170     if(mResendFlag & RESEND_BLEND_BIT_MASK)
 171     {
 172       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 173       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 174       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendingBitMask, mBlendBitmask);
 175     }
 176
 177     if(mResendFlag & RESEND_BLEND_COLOR)
 178     {
 179       using DerivedType = MessageValue1<Render::Renderer, Vector4>;
 180       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 181       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendColor, GetBlendColor());
 182     }
 183
 184     if(mResendFlag & RESEND_PREMULTIPLIED_ALPHA)
 185     {
 186       using DerivedType = MessageValue1<Render::Renderer, bool>;
 187       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 188       new(slot) DerivedType(mRenderer, &Render::Renderer::EnablePreMultipliedAlpha, mPremultipledAlphaEnabled);
 189     }
 190
 191     if(mResendFlag & RESEND_INDEXED_DRAW_FIRST_ELEMENT)
 192     {
 193       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 194       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 195       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawFirstElement, mIndexedDrawFirstElement);
 196     }
 197
 198     if(mResendFlag & RESEND_INDEXED_DRAW_ELEMENTS_COUNT)
 199     {
 200       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 201       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 202       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawElementsCount, mIndexedDrawElementsCount);
 203     }
 204
 205     if(mResendFlag & RESEND_DEPTH_WRITE_MODE)
 206     {
 207       using DerivedType = MessageValue1<Render::Renderer, DepthWriteMode::Type>;
 208       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 209       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthWriteMode, mDepthWriteMode);
 210     }
 211
 212     if(mResendFlag & RESEND_DEPTH_TEST_MODE)
 213     {
 214       using DerivedType = MessageValue1<Render::Renderer, DepthTestMode::Type>;
 215       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 216       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthTestMode, mDepthTestMode);
 217     }
 218
 219     if(mResendFlag & RESEND_DEPTH_FUNCTION)
 220     {
 221       using DerivedType = MessageValue1<Render::Renderer, DepthFunction::Type>;
 222       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 223       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthFunction, mDepthFunction);
 224     }
 225
 226     if(mResendFlag & RESEND_RENDER_MODE)
 227     {
 228       using DerivedType = MessageValue1<Render::Renderer, RenderMode::Type>;
 229       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 230       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderMode, mStencilParameters.renderMode);
 231     }
 232
 233     if(mResendFlag & RESEND_STENCIL_FUNCTION)
 234     {
 235       using DerivedType = MessageValue1<Render::Renderer, StencilFunction::Type>;
 236       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 237       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunction, mStencilParameters.stencilFunction);
 238     }
 239
 240     if(mResendFlag & RESEND_STENCIL_FUNCTION_MASK)
 241     {
 242       using DerivedType = MessageValue1<Render::Renderer, int>;
 243       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 244       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionMask, mStencilParameters.stencilFunctionMask);
 245     }
 246
 247     if(mResendFlag & RESEND_STENCIL_FUNCTION_REFERENCE)
 248     {
 249       using DerivedType = MessageValue1<Render::Renderer, int>;
 250       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 251       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionReference, mStencilParameters.stencilFunctionReference);
 252     }
 253
 254     if(mResendFlag & RESEND_STENCIL_MASK)
 255     {
 256       using DerivedType = MessageValue1<Render::Renderer, int>;
 257       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 258       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilMask, mStencilParameters.stencilMask);
 259     }
 260
 261     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_FAIL)
 262     {
 263       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 264       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 265       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnFail, mStencilParameters.stencilOperationOnFail);
 266     }
 267
 268     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_FAIL)
 269     {
 270       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 271       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 272       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZFail, mStencilParameters.stencilOperationOnZFail);
 273     }
 274
 275     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_PASS)
 276     {
 277       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 278       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 279       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZPass, mStencilParameters.stencilOperationOnZPass);
 280     }
 281
 282     if(mResendFlag & RESEND_SHADER)
 283     {
 284       using DerivedType = MessageValue1<Render::Renderer, bool>;
 285       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 286       new(slot) DerivedType(mRenderer, &Render::Renderer::SetShaderChanged, true);
 287     }
 288
 289     if(mResendFlag & RESEND_SET_RENDER_CALLBACK)
 290     {
 291       using DerivedType = MessageValue1<Render::Renderer, Dali::RenderCallback*>;
 292       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 293       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderCallback, mRenderCallback);
 294     }
 295
 296     mResendFlag = 0;
 297   }
 298
 299   // Ensure collected map is up to date
 300   UpdateUniformMap();
 301
 302   return rendererUpdated;
 303 }
 304
 305 void Renderer::SetTextures(TextureSet* textureSet)
 306 {
 307   DALI_ASSERT_DEBUG(textureSet != NULL && "Texture set pointer is NULL");
 308
 309   mTextureSet = textureSet;
 310 }
 311
 312 const Vector<Render::Texture*>* Renderer::GetTextures() const
 313 {
 314   return mTextureSet ? &(mTextureSet->GetTextures()) : nullptr;
 315 }
 316
 317 const Vector<Render::Sampler*>* Renderer::GetSamplers() const
 318 {
 319   return mTextureSet ? &(mTextureSet->GetSamplers()) : nullptr;
 320 }
 321
 322 void Renderer::SetShader(Shader* shader)
 323 {
 324   DALI_ASSERT_DEBUG(shader != NULL && "Shader pointer is NULL");
 325
 326   if(mShader)
 327   {
 328     mShader->RemoveUniformMapObserver(*this);
 329   }
 330
 331   mShader = shader;
 332   mShader->AddUniformMapObserver(*this);
 333   mRegenerateUniformMap = true;
 334   mResendFlag |= RESEND_GEOMETRY | RESEND_SHADER;
 335 }
 336
 337 void Renderer::SetGeometry(Render::Geometry* geometry)
 338 {
 339   DALI_ASSERT_DEBUG(geometry != NULL && "Geometry pointer is NULL");
 340   mGeometry = geometry;
 341
 342   if(mRenderer)
 343   {
 344     mResendFlag |= RESEND_GEOMETRY;
 345   }
 346 }
 347
 348 void Renderer::SetDepthIndex(int depthIndex)
 349 {
 350   mDepthIndex = depthIndex;
 351 }
 352
 353 void Renderer::SetFaceCullingMode(FaceCullingMode::Type faceCullingMode)
 354 {
 355   mFaceCullingMode = faceCullingMode;
 356   mResendFlag |= RESEND_FACE_CULLING_MODE;
 357 }
 358
 359 FaceCullingMode::Type Renderer::GetFaceCullingMode() const
 360 {
 361   return mFaceCullingMode;
 362 }
 363
 364 void Renderer::SetBlendMode(BlendMode::Type blendingMode)
 365 {
 366   mBlendMode = blendingMode;
 367 }
 368
 369 BlendMode::Type Renderer::GetBlendMode() const
 370 {
 371   return mBlendMode;
 372 }
 373
 374 void Renderer::SetBlendingOptions(uint32_t options)
 375 {
 376   if(mBlendBitmask != options)
 377   {
 378     mBlendBitmask = options;
 379     mResendFlag |= RESEND_BLEND_BIT_MASK;
 380   }
 381 }
 382
 383 uint32_t Renderer::GetBlendingOptions() const
 384 {
 385   return mBlendBitmask;
 386 }
 387
 388 void Renderer::SetBlendColor(const Vector4& blendColor)
 389 {
 390   if(blendColor == Color::TRANSPARENT)
 391   {
 392     mBlendColor = nullptr;
 393   }
 394   else
 395   {
 396     if(!mBlendColor)
 397     {
 398       mBlendColor = new Vector4(blendColor);
 399     }
 400     else
 401     {
 402       *mBlendColor = blendColor;
 403     }
 404   }
 405
 406   mResendFlag |= RESEND_BLEND_COLOR;
 407 }
 408
 409 Vector4 Renderer::GetBlendColor() const
 410 {
 411   if(mBlendColor)
 412   {
 413     return *mBlendColor;
 414   }
 415   return Color::TRANSPARENT;
 416 }
 417
 418 void Renderer::SetIndexedDrawFirstElement(uint32_t firstElement)
 419 {
 420   mIndexedDrawFirstElement = firstElement;
 421   mResendFlag |= RESEND_INDEXED_DRAW_FIRST_ELEMENT;
 422 }
 423
 424 uint32_t Renderer::GetIndexedDrawFirstElement() const
 425 {
 426   return mIndexedDrawFirstElement;
 427 }
 428
 429 void Renderer::SetIndexedDrawElementsCount(uint32_t elementsCount)
 430 {
 431   mIndexedDrawElementsCount = elementsCount;
 432   mResendFlag |= RESEND_INDEXED_DRAW_ELEMENTS_COUNT;
 433 }
 434
 435 uint32_t Renderer::GetIndexedDrawElementsCount() const
 436 {
 437   return mIndexedDrawElementsCount;
 438 }
 439
 440 void Renderer::EnablePreMultipliedAlpha(bool preMultipled)
 441 {
 442   mPremultipledAlphaEnabled = preMultipled;
 443   mResendFlag |= RESEND_PREMULTIPLIED_ALPHA;
 444 }
 445
 446 bool Renderer::IsPreMultipliedAlphaEnabled() const
 447 {
 448   return mPremultipledAlphaEnabled;
 449 }
 450
 451 void Renderer::SetDepthWriteMode(DepthWriteMode::Type depthWriteMode)
 452 {
 453   mDepthWriteMode = depthWriteMode;
 454   mResendFlag |= RESEND_DEPTH_WRITE_MODE;
 455 }
 456
 457 DepthWriteMode::Type Renderer::GetDepthWriteMode() const
 458 {
 459   return mDepthWriteMode;
 460 }
 461
 462 void Renderer::SetDepthTestMode(DepthTestMode::Type depthTestMode)
 463 {
 464   mDepthTestMode = depthTestMode;
 465   mResendFlag |= RESEND_DEPTH_TEST_MODE;
 466 }
 467
 468 DepthTestMode::Type Renderer::GetDepthTestMode() const
 469 {
 470   return mDepthTestMode;
 471 }
 472
 473 void Renderer::SetDepthFunction(DepthFunction::Type depthFunction)
 474 {
 475   mDepthFunction = depthFunction;
 476   mResendFlag |= RESEND_DEPTH_FUNCTION;
 477 }
 478
 479 DepthFunction::Type Renderer::GetDepthFunction() const
 480 {
 481   return mDepthFunction;
 482 }
 483
 484 void Renderer::SetRenderMode(RenderMode::Type mode)
 485 {
 486   mStencilParameters.renderMode = mode;
 487   mResendFlag |= RESEND_RENDER_MODE;
 488 }
 489
 490 void Renderer::SetStencilFunction(StencilFunction::Type stencilFunction)
 491 {
 492   mStencilParameters.stencilFunction = stencilFunction;
 493   mResendFlag |= RESEND_STENCIL_FUNCTION;
 494 }
 495
 496 void Renderer::SetStencilFunctionMask(int stencilFunctionMask)
 497 {
 498   mStencilParameters.stencilFunctionMask = stencilFunctionMask;
 499   mResendFlag |= RESEND_STENCIL_FUNCTION_MASK;
 500 }
 501
 502 void Renderer::SetStencilFunctionReference(int stencilFunctionReference)
 503 {
 504   mStencilParameters.stencilFunctionReference = stencilFunctionReference;
 505   mResendFlag |= RESEND_STENCIL_FUNCTION_REFERENCE;
 506 }
 507
 508 void Renderer::SetStencilMask(int stencilMask)
 509 {
 510   mStencilParameters.stencilMask = stencilMask;
 511   mResendFlag |= RESEND_STENCIL_MASK;
 512 }
 513
 514 void Renderer::SetStencilOperationOnFail(StencilOperation::Type stencilOperationOnFail)
 515 {
 516   mStencilParameters.stencilOperationOnFail = stencilOperationOnFail;
 517   mResendFlag |= RESEND_STENCIL_OPERATION_ON_FAIL;
 518 }
 519
 520 void Renderer::SetStencilOperationOnZFail(StencilOperation::Type stencilOperationOnZFail)
 521 {
 522   mStencilParameters.stencilOperationOnZFail = stencilOperationOnZFail;
 523   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_FAIL;
 524 }
 525
 526 void Renderer::SetStencilOperationOnZPass(StencilOperation::Type stencilOperationOnZPass)
 527 {
 528   mStencilParameters.stencilOperationOnZPass = stencilOperationOnZPass;
 529   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_PASS;
 530 }
 531
 532 void Renderer::SetRenderCallback(RenderCallback* callback)
 533 {
 534   mRenderCallback = callback;
 535   mResendFlag |= RESEND_SET_RENDER_CALLBACK;
 536 }
 537
 538 const Render::Renderer::StencilParameters& Renderer::GetStencilParameters() const
 539 {
 540   return mStencilParameters;
 541 }
 542
 543 void Renderer::BakeOpacity(BufferIndex updateBufferIndex, float opacity)
 544 {
 545   mOpacity.Bake(updateBufferIndex, opacity);
 546 }
 547
 548 float Renderer::GetOpacity(BufferIndex updateBufferIndex) const
 549 {
 550   return mOpacity[updateBufferIndex];
 551 }
 552
 553 void Renderer::SetRenderingBehavior(DevelRenderer::Rendering::Type renderingBehavior)
 554 {
 555   mRenderingBehavior = renderingBehavior;
 556 }
 557
 558 DevelRenderer::Rendering::Type Renderer::GetRenderingBehavior() const
 559 {
 560   return mRenderingBehavior;
 561 }
 562
 563 //Called when SceneGraph::Renderer is added to update manager ( that happens when an "event-thread renderer" is created )
 564 void Renderer::ConnectToSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 565 {
 566   mRegenerateUniformMap = true;
 567   mSceneController      = &sceneController;
 568
 569   mRenderer = Render::Renderer::New(this, mGeometry, mBlendBitmask, GetBlendColor(), static_cast<FaceCullingMode::Type>(mFaceCullingMode), mPremultipledAlphaEnabled, mDepthWriteMode, mDepthTestMode, mDepthFunction, mStencilParameters);
 570
 571   OwnerPointer<Render::Renderer> transferOwnership(mRenderer);
 572   mSceneController->GetRenderMessageDispatcher().AddRenderer(transferOwnership);
 573 }
 574
 575 //Called just before destroying the scene-graph renderer ( when the "event-thread renderer" is no longer referenced )
 576 void Renderer::DisconnectFromSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 577 {
 578   //Remove renderer from RenderManager
 579   if(mRenderer)
 580   {
 581     mSceneController->GetRenderMessageDispatcher().RemoveRenderer(*mRenderer);
 582     mRenderer = nullptr;
 583   }
 584   mSceneController = nullptr;
 585 }
 586
 587 Render::Renderer& Renderer::GetRenderer()
 588 {
 589   return *mRenderer;
 590 }
 591
 592 Renderer::OpacityType Renderer::GetOpacityType(BufferIndex updateBufferIndex, const Node& node) const
 593 {
 594   Renderer::OpacityType opacityType = Renderer::OPAQUE;
 595
 596   if(node.IsTransparent())
 597   {
 598     return Renderer::TRANSPARENT;
 599   }
 600
 601   switch(mBlendMode)
 602   {
 603     case BlendMode::ON_WITHOUT_CULL: // If the renderer should always be use blending and never want to be transparent by alpha.
 604     {
 605       opacityType = Renderer::TRANSLUCENT;
 606       break;
 607     }
 608     case BlendMode::ON: // If the renderer should always be use blending
 609     {
 610       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 611       if(alpha <= FULLY_TRANSPARENT)
 612       {
 613         opacityType = Renderer::TRANSPARENT;
 614       }
 615       else
 616       {
 617         opacityType = Renderer::TRANSLUCENT;
 618       }
 619       break;
 620     }
 621     case BlendMode::AUTO:
 622     {
 623       if(BlendingOptions::IsAdvancedBlendEquationIncluded(mBlendBitmask))
 624       {
 625         opacityType = Renderer::TRANSLUCENT;
 626         break;
 627       }
 628
 629       bool shaderRequiresBlending(mShader->HintEnabled(Dali::Shader::Hint::OUTPUT_IS_TRANSPARENT));
 630       if(shaderRequiresBlending || (mTextureSet && mTextureSet->HasAlpha()))
 631       {
 632         opacityType = Renderer::TRANSLUCENT;
 633       }
 634
 635       // renderer should determine opacity using the actor color
 636       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 637       if(alpha <= FULLY_TRANSPARENT)
 638       {
 639         opacityType = Renderer::TRANSPARENT;
 640       }
 641       else if(alpha <= FULLY_OPAQUE)
 642       {
 643         opacityType = Renderer::TRANSLUCENT;
 644       }
 645
 646       break;
 647     }
 648     case BlendMode::OFF: // the renderer should never use blending
 649     default:
 650     {
 651       opacityType = Renderer::OPAQUE;
 652       break;
 653     }
 654   }
 655
 656   return opacityType;
 657 }
 658
 659 void Renderer::UpdateUniformMap()
 660 {
 661   if(mRegenerateUniformMap)
 662   {
 663     CollectedUniformMap& localMap = mCollectedUniformMap;
 664     localMap.Clear();
 665
 666     const UniformMap& rendererUniformMap = PropertyOwner::GetUniformMap();
 667
 668     auto size = rendererUniformMap.Count();
 669     if(mShader)
 670     {
 671       size += mShader->GetUniformMap().Count();
 672     }
 673
 674     localMap.Reserve(size);
 675     localMap.AddMappings(rendererUniformMap);
 676     if(mShader)
 677     {
 678       localMap.AddMappings(mShader->GetUniformMap());
 679     }
 680     localMap.UpdateChangeCounter();
 681     mRegenerateUniformMap = false;
 682     mUniformMapUpdated    = true;
 683   }
 684 }
 685
 686 void Renderer::SetDrawCommands(Dali::DevelRenderer::DrawCommand* pDrawCommands, uint32_t size)
 687 {
 688   mDrawCommands.clear();
 689   mDrawCommands.insert(mDrawCommands.end(), pDrawCommands, pDrawCommands + size);
 690   mResendFlag |= RESEND_DRAW_COMMANDS;
 691 }
 692
 693 void Renderer::UniformMappingsChanged(const UniformMap& mappings)
 694 {
 695   // The mappings are either from PropertyOwner base class, or the Shader
 696   mRegenerateUniformMap = true; // Should remain true until this renderer is added to a RenderList.
 697 }
 698
 699 const CollectedUniformMap& Renderer::GetCollectedUniformMap() const
 700 {
 701   return mCollectedUniformMap;
 702 }
 703
 704 Vector3 Renderer::CalculateVisualTransformedUpdateSize(BufferIndex updateBufferIndex, const Vector3& originalSize)
 705 {
 706   if(mVisualProperties)
 707   {
 708     // TODO : We may need to get some method that visual properties changed, without hash.
 709     // Or, need to call this API in PreRender side.
 710
 711     uint64_t hash = 0xc70f6907UL;
 712
 713     hash = mVisualProperties->mTransformOffset.Hash(updateBufferIndex, hash);
 714     hash = mVisualProperties->mTransformOffsetSizeMode.Hash(updateBufferIndex, hash);
 715     hash = mVisualProperties->mTransformSize.Hash(updateBufferIndex, hash);
 716     hash = mVisualProperties->mTransformOrigin.Hash(updateBufferIndex, hash);
 717     hash = mVisualProperties->mTransformAnchorPoint.Hash(updateBufferIndex, hash);
 718     hash = mVisualProperties->mExtraSize.Hash(updateBufferIndex, hash);
 719
 720     if(mVisualPropertiesCoefficient.hash != hash)
 721     {
 722       mVisualPropertiesCoefficient.hash = hash;
 723
 724       // VisualProperty
 725       const Vector2 transformOffset         = mVisualProperties->mTransformOffset.Get(updateBufferIndex);
 726       const Vector4 transformOffsetSizeMode = mVisualProperties->mTransformOffsetSizeMode.Get(updateBufferIndex);
 727       const Vector2 transformSize           = mVisualProperties->mTransformSize.Get(updateBufferIndex);
 728       const Vector2 transformOrigin         = mVisualProperties->mTransformOrigin.Get(updateBufferIndex);
 729       const Vector2 transformAnchorPoint    = mVisualProperties->mTransformAnchorPoint.Get(updateBufferIndex);
 730       const Vector2 extraSize               = mVisualProperties->mExtraSize.Get(updateBufferIndex);
 731
 732       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform size   %5.3f %5.3f\n", transformSize.x, transformSize.y);
 733       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform offset %5.3f %5.3f\n", transformOffset.x, transformOffset.y);
 734       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform origin %5.3f %5.3f\n", transformOrigin.x, transformOrigin.y);
 735       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "transform anchor %5.3f %5.3f\n", transformAnchorPoint.x, transformAnchorPoint.y);
 736       DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "extra size       %5.3f %5.3f\n", extraSize.x, extraSize.y);
 737
 738       // const Vector2 visualSize = Vector2(Dali::Lerp(transformOffsetSizeMode.z, originalSize.x * transformSize.x, transformSize.x),
 739       //                                    Dali::Lerp(transformOffsetSizeMode.w, originalSize.y * transformSize.y, transformSize.y)) +
 740       //                            extraSize;
 741       // const Vector2 visualOffset = Vector2(Dali::Lerp(transformOffsetSizeMode.x, originalSize.x * transformOffset.x, transformOffset.x),
 742       //                                      Dali::Lerp(transformOffsetSizeMode.y, originalSize.y * transformOffset.y, transformOffset.y));
 743
 744       // const float decoratedBorderlineWidth = std::max((1.0f + Dali::Clamp(borderlineOffset, -1.0f, 1.0f)) * borderlineWidth, 2.0f * blurRadius);
 745       // const Vector2 decoratedVisualSize    = visualSize + Vector2(decoratedBorderlineWidth, decoratedBorderlineWidth);
 746
 747       // Note : vertexPositoin.xy = aPosition * decoratedVisualSize
 748       //                          + anchorPoint * visualSize
 749       //                          + origin * uSize.xy
 750       //                          + visualOffset;
 751
 752       // Calculate same logic of visual's vertex shader transform.
 753       // minVertexPosition = -0.5f * decoratedVisualSize + transformAnchorPoint * visualSize + transformOrigin * originalSize.xy + visualOffset
 754       // maxVertexPosition =  0.5f * decoratedVisualSize + transformAnchorPoint * visualSize + transformOrigin * originalSize.xy + visualOffset
 755
 756       // Update cached VisualTransformedUpdateSizeCoefficientCache
 757
 758       // Note : vertexPosition = (XA * aPosition + XB) * originalSize + (CA * aPosition + CB) + Vector2(D, D) * aPosition
 759
 760       // XA = transformSize * (1.0 - transformOffsetSizeMode.zw)
 761       // XB = transformSize * (1.0 - transformOffsetSizeMode.zw) * transformAnchorPoint
 762       //    + transformOffset * (1.0 - transformOffsetSizeMode.xy)
 763       //    + transformOrigin
 764       // CA = transformSize * transformOffsetSizeMode.zw + extraSize
 765       // CB = (transformSize * transformOffsetSizeMode.zw + extraSize) * transformAnchorPoint
 766       //    + transformOffset * transformOffsetSizeMode.xy
 767       // D = max((1.0 + clamp(borderlineOffset, -1.0, 1.0)) * borderlineWidth, 2.0 * blurRadius)
 768
 769       mVisualPropertiesCoefficient.coefXA = transformSize * Vector2(1.0f - transformOffsetSizeMode.z, 1.0f - transformOffsetSizeMode.w);
 770       mVisualPropertiesCoefficient.coefXB = mVisualPropertiesCoefficient.coefXA * transformAnchorPoint + transformOffset * Vector2(1.0f - transformOffsetSizeMode.x, 1.0f - transformOffsetSizeMode.y) + transformOrigin;
 771       mVisualPropertiesCoefficient.coefCA = transformSize * Vector2(transformOffsetSizeMode.z, transformOffsetSizeMode.w) + extraSize;
 772       mVisualPropertiesCoefficient.coefCB = mVisualPropertiesCoefficient.coefCA * transformAnchorPoint + transformOffset * Vector2(transformOffsetSizeMode.x, transformOffsetSizeMode.y);
 773     }
 774     if(mVisualProperties->mExtendedProperties)
 775     {
 776       const auto decoratedVisualProperties = static_cast<DecoratedVisualRenderer::AnimatableDecoratedVisualProperties*>(mVisualProperties->mExtendedProperties);
 777
 778       uint64_t decoratedHash = 0xc70f6907UL;
 779
 780       decoratedHash = decoratedVisualProperties->mBorderlineWidth.Hash(updateBufferIndex, decoratedHash);
 781       decoratedHash = decoratedVisualProperties->mBorderlineOffset.Hash(updateBufferIndex, decoratedHash);
 782       decoratedHash = decoratedVisualProperties->mBlurRadius.Hash(updateBufferIndex, decoratedHash);
 783
 784       if(mVisualPropertiesCoefficient.decoratedHash != decoratedHash)
 785       {
 786         mVisualPropertiesCoefficient.decoratedHash = decoratedHash;
 787
 788         // DecoratedVisualProperty
 789         const float borderlineWidth  = decoratedVisualProperties->mBorderlineWidth.Get(updateBufferIndex);
 790         const float borderlineOffset = decoratedVisualProperties->mBorderlineOffset.Get(updateBufferIndex);
 791         const float blurRadius       = decoratedVisualProperties->mBlurRadius.Get(updateBufferIndex);
 792
 793         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "borderline width  %5.3f\n", borderlineWidth);
 794         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "borderline offset %5.3f\n", borderlineOffset);
 795         DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "blur radius       %5.3f\n", blurRadius);
 796
 797         // D coefficients be used only decoratedVisual.
 798         // It can be calculated parallely with transform.
 799
 800         mVisualPropertiesCoefficient.coefD = std::max((1.0f + Dali::Clamp(borderlineOffset, -1.0f, 1.0f)) * borderlineWidth, 2.0f * blurRadius);
 801       }
 802     }
 803
 804     // Calculate vertex position by coefficient
 805     // It will reduce the number of operations
 806
 807     // const Vector2 minVertexPosition = (XA * -0.5 + XB) * originalSize + (CA * -0.5 + CB) + Vector2(D, D) * -0.5;
 808     // const Vector2 maxVertexPosition = (XA * +0.5 + XB) * originalSize + (CA * +0.5 + CB) + Vector2(D, D) * +0.5;
 809
 810     // When we set
 811     // basicVertexPosition = XB * originalSize + CB
 812     // scaleVertexPosition = XA * originalSize + CA + D
 813
 814     // --> minVertexPosition = basicVertexPosition + scaleVertexPosition * -0.5
 815     //     maxVertexPosition = basicVertexPosition + scaleVertexPosition * +0.5
 816
 817     // Then, resultSize = 2.0f * max(-minVertexPosition, maxVertexPosition);
 818     //                  = 2.0f * max(scaleVertexPosition * 0.5 - basicVertexPosition, scaleVertexPosition * 0.5 + basicVertexPosition)
 819     //                  = scaleVertexPosition + 2.0f * abs(basicVertexPosition)
 820     // Cause transform matrix will think center of vertex is (0, 0)
 821
 822     const Vector2 basicVertexPosition = mVisualPropertiesCoefficient.coefXB * originalSize.GetVectorXY() + mVisualPropertiesCoefficient.coefCB;
 823     const Vector2 scaleVertexPosition = mVisualPropertiesCoefficient.coefXA * originalSize.GetVectorXY() + mVisualPropertiesCoefficient.coefCA;
 824
 825     // VisualTransform don't set z value. Just copy from original z size
 826     const Vector3 resultSize = Vector3(scaleVertexPosition.x + 2.0f * abs(basicVertexPosition.x) + mVisualPropertiesCoefficient.coefD,
 827                                        scaleVertexPosition.y + 2.0f * abs(basicVertexPosition.y) + mVisualPropertiesCoefficient.coefD,
 828                                        originalSize.z);
 829
 830     DALI_LOG_INFO(gSceneGraphRendererLogFilter, Debug::Verbose, "%f %f --> %f %f\n", originalSize.x, originalSize.y, resultSize.x, resultSize.y);
 831
 832     return resultSize;
 833   }
 834   return originalSize;
 835 }
 836
 837 } // namespace SceneGraph
 838 } // namespace Internal
 839 } // namespace Dali