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

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 // CLASS HEADER
  18 #include "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/queue/render-queue.h>
  26 #include <dali/internal/render/renderers/render-geometry.h>
  27 #include <dali/internal/render/shaders/program.h>
  28 #include <dali/internal/render/shaders/render-shader.h>
  29 #include <dali/internal/update/controllers/render-message-dispatcher.h>
  30 #include <dali/internal/update/controllers/scene-controller.h>
  31 #include <dali/internal/update/nodes/node.h>
  32 #include <dali/internal/update/rendering/scene-graph-texture-set.h>
  33
  34 namespace Dali
  35 {
  36 namespace Internal
  37 {
  38 namespace SceneGraph
  39 {
  40 namespace // unnamed namespace
  41 {
  42 const uint32_t UNIFORM_MAP_READY      = 0;
  43 const uint32_t COPY_UNIFORM_MAP       = 1;
  44 const uint32_t REGENERATE_UNIFORM_MAP = 2;
  45
  46 //Memory pool used to allocate new renderers. Memory used by this pool will be released when shutting down DALi
  47 MemoryPoolObjectAllocator<Renderer> gRendererMemoryPool;
  48
  49 void AddMappings(CollectedUniformMap& localMap, const UniformMap& uniformMap)
  50 {
  51   // Iterate thru uniformMap.
  52   // Any maps that aren't in localMap should be added in a single step
  53
  54   // keep a static vector to avoid temporary heap allocation.
  55   // As this function gets called only from update thread we don't have to
  56   // make it thread safe (so no need to keep a thread_local variable).
  57   static CollectedUniformMap newUniformMappings;
  58
  59   newUniformMappings.Clear();
  60
  61   for(UniformMap::SizeType i = 0, count = uniformMap.Count(); i < count; ++i)
  62   {
  63     bool found = false;
  64
  65     for(CollectedUniformMap::Iterator iter = localMap.Begin(); iter != localMap.End(); ++iter)
  66     {
  67       const UniformPropertyMapping& map = (*iter);
  68       if(map.uniformName == uniformMap[i].uniformName)
  69       {
  70         found = true;
  71         break;
  72       }
  73     }
  74     if(!found)
  75     {
  76       newUniformMappings.PushBack(uniformMap[i]);
  77     }
  78   }
  79
  80   if(newUniformMappings.Count() > 0)
  81   {
  82     localMap.Reserve(localMap.Count() + newUniformMappings.Count());
  83
  84     for(CollectedUniformMap::Iterator iter = newUniformMappings.Begin(),
  85                                       end  = newUniformMappings.End();
  86         iter != end;
  87         ++iter)
  88     {
  89       const UniformPropertyMapping& map = (*iter);
  90       localMap.PushBack(map);
  91     }
  92   }
  93 }
  94
  95 // Flags for re-sending data to renderer.
  96 enum Flags
  97 {
  98   RESEND_GEOMETRY                    = 1 << 0,
  99   RESEND_FACE_CULLING_MODE           = 1 << 1,
 100   RESEND_BLEND_COLOR                 = 1 << 2,
 101   RESEND_BLEND_BIT_MASK              = 1 << 3,
 102   RESEND_PREMULTIPLIED_ALPHA         = 1 << 4,
 103   RESEND_INDEXED_DRAW_FIRST_ELEMENT  = 1 << 5,
 104   RESEND_INDEXED_DRAW_ELEMENTS_COUNT = 1 << 6,
 105   RESEND_DEPTH_WRITE_MODE            = 1 << 7,
 106   RESEND_DEPTH_TEST_MODE             = 1 << 8,
 107   RESEND_DEPTH_FUNCTION              = 1 << 9,
 108   RESEND_RENDER_MODE                 = 1 << 10,
 109   RESEND_STENCIL_FUNCTION            = 1 << 11,
 110   RESEND_STENCIL_FUNCTION_MASK       = 1 << 12,
 111   RESEND_STENCIL_FUNCTION_REFERENCE  = 1 << 13,
 112   RESEND_STENCIL_MASK                = 1 << 14,
 113   RESEND_STENCIL_OPERATION_ON_FAIL   = 1 << 15,
 114   RESEND_STENCIL_OPERATION_ON_Z_FAIL = 1 << 16,
 115   RESEND_STENCIL_OPERATION_ON_Z_PASS = 1 << 17,
 116   RESEND_WRITE_TO_COLOR_BUFFER       = 1 << 18,
 117   RESEND_SHADER                      = 1 << 19,
 118   RESEND_DRAW_COMMANDS               = 1 << 20
 119 };
 120
 121 } // Anonymous namespace
 122
 123 Renderer* Renderer::New()
 124 {
 125   return new(gRendererMemoryPool.AllocateRawThreadSafe()) Renderer();
 126 }
 127
 128 Renderer::Renderer()
 129 : mSceneController(nullptr),
 130   mRenderer(nullptr),
 131   mTextureSet(nullptr),
 132   mGeometry(nullptr),
 133   mShader(nullptr),
 134   mRenderDataProvider(nullptr),
 135   mBlendColor(nullptr),
 136   mStencilParameters(RenderMode::AUTO, StencilFunction::ALWAYS, 0xFF, 0x00, 0xFF, StencilOperation::KEEP, StencilOperation::KEEP, StencilOperation::KEEP),
 137   mIndexedDrawFirstElement(0u),
 138   mIndexedDrawElementsCount(0u),
 139   mBlendBitmask(0u),
 140   mRegenerateUniformMap(0u),
 141   mResendFlag(0u),
 142   mDepthFunction(DepthFunction::LESS),
 143   mFaceCullingMode(FaceCullingMode::NONE),
 144   mBlendMode(BlendMode::AUTO),
 145   mDepthWriteMode(DepthWriteMode::AUTO),
 146   mDepthTestMode(DepthTestMode::AUTO),
 147   mRenderingBehavior(DevelRenderer::Rendering::IF_REQUIRED),
 148   mPremultipledAlphaEnabled(false),
 149   mOpacity(1.0f),
 150   mDepthIndex(0)
 151 {
 152   mUniformMapChanged[0] = false;
 153   mUniformMapChanged[1] = false;
 154
 155   // Observe our own PropertyOwner's uniform map
 156   AddUniformMapObserver(*this);
 157 }
 158
 159 Renderer::~Renderer()
 160 {
 161   if(mTextureSet)
 162   {
 163     mTextureSet->RemoveObserver(this);
 164     mTextureSet = nullptr;
 165   }
 166   if(mShader)
 167   {
 168     mShader->RemoveConnectionObserver(*this);
 169     mShader = nullptr;
 170   }
 171 }
 172
 173 void Renderer::operator delete(void* ptr)
 174 {
 175   gRendererMemoryPool.FreeThreadSafe(static_cast<Renderer*>(ptr));
 176 }
 177
 178 bool Renderer::PrepareRender(BufferIndex updateBufferIndex)
 179 {
 180   switch(mRegenerateUniformMap)
 181   {
 182     case UNIFORM_MAP_READY: // Now, only set to zero on start and by render side
 183     {
 184       mUniformMapChanged[updateBufferIndex] = false;
 185       break;
 186     }
 187     case REGENERATE_UNIFORM_MAP:
 188     {
 189       CollectedUniformMap& localMap = mCollectedUniformMap[updateBufferIndex];
 190       localMap.Clear();
 191
 192       const UniformMap& rendererUniformMap = PropertyOwner::GetUniformMap();
 193
 194       auto size = rendererUniformMap.Count();
 195       if(mShader)
 196       {
 197         size += mShader->GetUniformMap().Count();
 198       }
 199
 200       localMap.Reserve(size);
 201
 202       AddMappings(localMap, rendererUniformMap);
 203
 204       if(mShader)
 205       {
 206         AddMappings(localMap, mShader->GetUniformMap());
 207       }
 208       mUniformMapChanged[updateBufferIndex] = true;
 209       break;
 210     }
 211     case COPY_UNIFORM_MAP:
 212     {
 213       // Copy old map into current map
 214       CollectedUniformMap& localMap = mCollectedUniformMap[updateBufferIndex];
 215       CollectedUniformMap& oldMap   = mCollectedUniformMap[1 - updateBufferIndex];
 216
 217       localMap.Resize(oldMap.Count());
 218
 219       uint32_t index = 0;
 220       for(CollectedUniformMap::Iterator iter = oldMap.Begin(), end = oldMap.End(); iter != end; ++iter, ++index)
 221       {
 222         localMap[index] = *iter;
 223       }
 224       mUniformMapChanged[updateBufferIndex] = true;
 225       break;
 226     }
 227   }
 228
 229   bool rendererUpdated = mUniformMapChanged[updateBufferIndex] || mResendFlag || mRenderingBehavior == DevelRenderer::Rendering::CONTINUOUSLY;
 230
 231   if(mResendFlag != 0)
 232   {
 233     if(mResendFlag & RESEND_GEOMETRY)
 234     {
 235       typedef MessageValue1<Render::Renderer, Render::Geometry*> DerivedType;
 236       uint32_t*                                                  slot = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 237       new(slot) DerivedType(mRenderer, &Render::Renderer::SetGeometry, mGeometry);
 238     }
 239
 240     if(mResendFlag & RESEND_DRAW_COMMANDS)
 241     {
 242       using DerivedType = MessageValue2<Render::Renderer, Dali::DevelRenderer::DrawCommand*, uint32_t>;
 243       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 244       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDrawCommands, mDrawCommands.data(), mDrawCommands.size());
 245     }
 246
 247     if(mResendFlag & RESEND_FACE_CULLING_MODE)
 248     {
 249       using DerivedType = MessageValue1<Render::Renderer, FaceCullingMode::Type>;
 250       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 251       new(slot) DerivedType(mRenderer, &Render::Renderer::SetFaceCullingMode, mFaceCullingMode);
 252     }
 253
 254     if(mResendFlag & RESEND_BLEND_BIT_MASK)
 255     {
 256       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 257       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 258       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendingBitMask, mBlendBitmask);
 259     }
 260
 261     if(mResendFlag & RESEND_BLEND_COLOR)
 262     {
 263       using DerivedType = MessageValue1<Render::Renderer, Vector4>;
 264       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 265       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendColor, GetBlendColor());
 266     }
 267
 268     if(mResendFlag & RESEND_PREMULTIPLIED_ALPHA)
 269     {
 270       using DerivedType = MessageValue1<Render::Renderer, bool>;
 271       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 272       new(slot) DerivedType(mRenderer, &Render::Renderer::EnablePreMultipliedAlpha, mPremultipledAlphaEnabled);
 273     }
 274
 275     if(mResendFlag & RESEND_INDEXED_DRAW_FIRST_ELEMENT)
 276     {
 277       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 278       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 279       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawFirstElement, mIndexedDrawFirstElement);
 280     }
 281
 282     if(mResendFlag & RESEND_INDEXED_DRAW_ELEMENTS_COUNT)
 283     {
 284       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 285       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 286       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawElementsCount, mIndexedDrawElementsCount);
 287     }
 288
 289     if(mResendFlag & RESEND_DEPTH_WRITE_MODE)
 290     {
 291       using DerivedType = MessageValue1<Render::Renderer, DepthWriteMode::Type>;
 292       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 293       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthWriteMode, mDepthWriteMode);
 294     }
 295
 296     if(mResendFlag & RESEND_DEPTH_TEST_MODE)
 297     {
 298       using DerivedType = MessageValue1<Render::Renderer, DepthTestMode::Type>;
 299       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 300       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthTestMode, mDepthTestMode);
 301     }
 302
 303     if(mResendFlag & RESEND_DEPTH_FUNCTION)
 304     {
 305       using DerivedType = MessageValue1<Render::Renderer, DepthFunction::Type>;
 306       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 307       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthFunction, mDepthFunction);
 308     }
 309
 310     if(mResendFlag & RESEND_RENDER_MODE)
 311     {
 312       using DerivedType = MessageValue1<Render::Renderer, RenderMode::Type>;
 313       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 314       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderMode, mStencilParameters.renderMode);
 315     }
 316
 317     if(mResendFlag & RESEND_STENCIL_FUNCTION)
 318     {
 319       using DerivedType = MessageValue1<Render::Renderer, StencilFunction::Type>;
 320       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 321       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunction, mStencilParameters.stencilFunction);
 322     }
 323
 324     if(mResendFlag & RESEND_STENCIL_FUNCTION_MASK)
 325     {
 326       using DerivedType = MessageValue1<Render::Renderer, int>;
 327       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 328       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionMask, mStencilParameters.stencilFunctionMask);
 329     }
 330
 331     if(mResendFlag & RESEND_STENCIL_FUNCTION_REFERENCE)
 332     {
 333       using DerivedType = MessageValue1<Render::Renderer, int>;
 334       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 335       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionReference, mStencilParameters.stencilFunctionReference);
 336     }
 337
 338     if(mResendFlag & RESEND_STENCIL_MASK)
 339     {
 340       using DerivedType = MessageValue1<Render::Renderer, int>;
 341       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 342       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilMask, mStencilParameters.stencilMask);
 343     }
 344
 345     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_FAIL)
 346     {
 347       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 348       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 349       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnFail, mStencilParameters.stencilOperationOnFail);
 350     }
 351
 352     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_FAIL)
 353     {
 354       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 355       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 356       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZFail, mStencilParameters.stencilOperationOnZFail);
 357     }
 358
 359     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_PASS)
 360     {
 361       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 362       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 363       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZPass, mStencilParameters.stencilOperationOnZPass);
 364     }
 365
 366     if(mResendFlag & RESEND_SHADER)
 367     {
 368       using DerivedType = MessageValue1<Render::Renderer, bool>;
 369       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 370       new(slot) DerivedType(mRenderer, &Render::Renderer::SetShaderChanged, true);
 371     }
 372
 373     mResendFlag = 0;
 374   }
 375
 376   return rendererUpdated;
 377 }
 378
 379 void Renderer::AgeUniformMap()
 380 {
 381   if(mRegenerateUniformMap > 0)
 382   {
 383     mRegenerateUniformMap--;
 384   }
 385 }
 386
 387 void Renderer::SetTextures(TextureSet* textureSet)
 388 {
 389   DALI_ASSERT_DEBUG(textureSet != NULL && "Texture set pointer is NULL");
 390
 391   if(mTextureSet)
 392   {
 393     mTextureSet->RemoveObserver(this);
 394   }
 395
 396   mTextureSet = textureSet;
 397   mTextureSet->AddObserver(this);
 398   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 399
 400   UpdateTextureSet();
 401 }
 402
 403 void Renderer::SetShader(Shader* shader)
 404 {
 405   DALI_ASSERT_DEBUG(shader != NULL && "Shader pointer is NULL");
 406
 407   if(mShader)
 408   {
 409     mShader->RemoveConnectionObserver(*this);
 410   }
 411
 412   mShader = shader;
 413   mShader->AddConnectionObserver(*this);
 414   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 415   mResendFlag |= RESEND_GEOMETRY | RESEND_SHADER;
 416
 417   if(mRenderDataProvider)
 418   {
 419     mRenderDataProvider->mShader = mShader;
 420   }
 421 }
 422
 423 void Renderer::SetGeometry(Render::Geometry* geometry)
 424 {
 425   DALI_ASSERT_DEBUG(geometry != NULL && "Geometry pointer is NULL");
 426   mGeometry = geometry;
 427
 428   if(mRenderer)
 429   {
 430     mResendFlag |= RESEND_GEOMETRY;
 431   }
 432 }
 433
 434 void Renderer::SetDepthIndex(int depthIndex)
 435 {
 436   mDepthIndex = depthIndex;
 437 }
 438
 439 void Renderer::SetFaceCullingMode(FaceCullingMode::Type faceCullingMode)
 440 {
 441   mFaceCullingMode = faceCullingMode;
 442   mResendFlag |= RESEND_FACE_CULLING_MODE;
 443 }
 444
 445 FaceCullingMode::Type Renderer::GetFaceCullingMode() const
 446 {
 447   return mFaceCullingMode;
 448 }
 449
 450 void Renderer::SetBlendMode(BlendMode::Type blendingMode)
 451 {
 452   mBlendMode = blendingMode;
 453 }
 454
 455 BlendMode::Type Renderer::GetBlendMode() const
 456 {
 457   return mBlendMode;
 458 }
 459
 460 void Renderer::SetBlendingOptions(uint32_t options)
 461 {
 462   if(mBlendBitmask != options)
 463   {
 464     mBlendBitmask = options;
 465     mResendFlag |= RESEND_BLEND_BIT_MASK;
 466   }
 467 }
 468
 469 uint32_t Renderer::GetBlendingOptions() const
 470 {
 471   return mBlendBitmask;
 472 }
 473
 474 void Renderer::SetBlendColor(const Vector4& blendColor)
 475 {
 476   if(blendColor == Color::TRANSPARENT)
 477   {
 478     mBlendColor = nullptr;
 479   }
 480   else
 481   {
 482     if(!mBlendColor)
 483     {
 484       mBlendColor = new Vector4(blendColor);
 485     }
 486     else
 487     {
 488       *mBlendColor = blendColor;
 489     }
 490   }
 491
 492   mResendFlag |= RESEND_BLEND_COLOR;
 493 }
 494
 495 Vector4 Renderer::GetBlendColor() const
 496 {
 497   if(mBlendColor)
 498   {
 499     return *mBlendColor;
 500   }
 501   return Color::TRANSPARENT;
 502 }
 503
 504 void Renderer::SetIndexedDrawFirstElement(uint32_t firstElement)
 505 {
 506   mIndexedDrawFirstElement = firstElement;
 507   mResendFlag |= RESEND_INDEXED_DRAW_FIRST_ELEMENT;
 508 }
 509
 510 uint32_t Renderer::GetIndexedDrawFirstElement() const
 511 {
 512   return mIndexedDrawFirstElement;
 513 }
 514
 515 void Renderer::SetIndexedDrawElementsCount(uint32_t elementsCount)
 516 {
 517   mIndexedDrawElementsCount = elementsCount;
 518   mResendFlag |= RESEND_INDEXED_DRAW_ELEMENTS_COUNT;
 519 }
 520
 521 uint32_t Renderer::GetIndexedDrawElementsCount() const
 522 {
 523   return mIndexedDrawElementsCount;
 524 }
 525
 526 void Renderer::EnablePreMultipliedAlpha(bool preMultipled)
 527 {
 528   mPremultipledAlphaEnabled = preMultipled;
 529   mResendFlag |= RESEND_PREMULTIPLIED_ALPHA;
 530 }
 531
 532 bool Renderer::IsPreMultipliedAlphaEnabled() const
 533 {
 534   return mPremultipledAlphaEnabled;
 535 }
 536
 537 void Renderer::SetDepthWriteMode(DepthWriteMode::Type depthWriteMode)
 538 {
 539   mDepthWriteMode = depthWriteMode;
 540   mResendFlag |= RESEND_DEPTH_WRITE_MODE;
 541 }
 542
 543 DepthWriteMode::Type Renderer::GetDepthWriteMode() const
 544 {
 545   return mDepthWriteMode;
 546 }
 547
 548 void Renderer::SetDepthTestMode(DepthTestMode::Type depthTestMode)
 549 {
 550   mDepthTestMode = depthTestMode;
 551   mResendFlag |= RESEND_DEPTH_TEST_MODE;
 552 }
 553
 554 DepthTestMode::Type Renderer::GetDepthTestMode() const
 555 {
 556   return mDepthTestMode;
 557 }
 558
 559 void Renderer::SetDepthFunction(DepthFunction::Type depthFunction)
 560 {
 561   mDepthFunction = depthFunction;
 562   mResendFlag |= RESEND_DEPTH_FUNCTION;
 563 }
 564
 565 DepthFunction::Type Renderer::GetDepthFunction() const
 566 {
 567   return mDepthFunction;
 568 }
 569
 570 void Renderer::SetRenderMode(RenderMode::Type mode)
 571 {
 572   mStencilParameters.renderMode = mode;
 573   mResendFlag |= RESEND_RENDER_MODE;
 574 }
 575
 576 void Renderer::SetStencilFunction(StencilFunction::Type stencilFunction)
 577 {
 578   mStencilParameters.stencilFunction = stencilFunction;
 579   mResendFlag |= RESEND_STENCIL_FUNCTION;
 580 }
 581
 582 void Renderer::SetStencilFunctionMask(int stencilFunctionMask)
 583 {
 584   mStencilParameters.stencilFunctionMask = stencilFunctionMask;
 585   mResendFlag |= RESEND_STENCIL_FUNCTION_MASK;
 586 }
 587
 588 void Renderer::SetStencilFunctionReference(int stencilFunctionReference)
 589 {
 590   mStencilParameters.stencilFunctionReference = stencilFunctionReference;
 591   mResendFlag |= RESEND_STENCIL_FUNCTION_REFERENCE;
 592 }
 593
 594 void Renderer::SetStencilMask(int stencilMask)
 595 {
 596   mStencilParameters.stencilMask = stencilMask;
 597   mResendFlag |= RESEND_STENCIL_MASK;
 598 }
 599
 600 void Renderer::SetStencilOperationOnFail(StencilOperation::Type stencilOperationOnFail)
 601 {
 602   mStencilParameters.stencilOperationOnFail = stencilOperationOnFail;
 603   mResendFlag |= RESEND_STENCIL_OPERATION_ON_FAIL;
 604 }
 605
 606 void Renderer::SetStencilOperationOnZFail(StencilOperation::Type stencilOperationOnZFail)
 607 {
 608   mStencilParameters.stencilOperationOnZFail = stencilOperationOnZFail;
 609   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_FAIL;
 610 }
 611
 612 void Renderer::SetStencilOperationOnZPass(StencilOperation::Type stencilOperationOnZPass)
 613 {
 614   mStencilParameters.stencilOperationOnZPass = stencilOperationOnZPass;
 615   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_PASS;
 616 }
 617
 618 const Render::Renderer::StencilParameters& Renderer::GetStencilParameters() const
 619 {
 620   return mStencilParameters;
 621 }
 622
 623 void Renderer::BakeOpacity(BufferIndex updateBufferIndex, float opacity)
 624 {
 625   mOpacity.Bake(updateBufferIndex, opacity);
 626 }
 627
 628 float Renderer::GetOpacity(BufferIndex updateBufferIndex) const
 629 {
 630   return mOpacity[updateBufferIndex];
 631 }
 632
 633 void Renderer::SetRenderingBehavior(DevelRenderer::Rendering::Type renderingBehavior)
 634 {
 635   mRenderingBehavior = renderingBehavior;
 636 }
 637
 638 DevelRenderer::Rendering::Type Renderer::GetRenderingBehavior() const
 639 {
 640   return mRenderingBehavior;
 641 }
 642
 643 //Called when SceneGraph::Renderer is added to update manager ( that happens when an "event-thread renderer" is created )
 644 void Renderer::ConnectToSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 645 {
 646   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 647   mSceneController      = &sceneController;
 648
 649   mRenderDataProvider                          = new RenderDataProvider(mOpacity);
 650   mRenderDataProvider->mUniformMapDataProvider = this;
 651
 652   mRenderer = Render::Renderer::New(mRenderDataProvider, mGeometry, mBlendBitmask, GetBlendColor(), static_cast<FaceCullingMode::Type>(mFaceCullingMode), mPremultipledAlphaEnabled, mDepthWriteMode, mDepthTestMode, mDepthFunction, mStencilParameters);
 653
 654   OwnerPointer<Render::Renderer> transferOwnership(mRenderer);
 655   mSceneController->GetRenderMessageDispatcher().AddRenderer(transferOwnership);
 656 }
 657
 658 //Called just before destroying the scene-graph renderer ( when the "event-thread renderer" is no longer referenced )
 659 void Renderer::DisconnectFromSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 660 {
 661   //Remove renderer from RenderManager
 662   if(mRenderer)
 663   {
 664     mSceneController->GetRenderMessageDispatcher().RemoveRenderer(*mRenderer);
 665     mRenderer = nullptr;
 666   }
 667   mSceneController    = nullptr;
 668   mRenderDataProvider = nullptr;
 669 }
 670
 671 void Renderer::UpdateTextureSet()
 672 {
 673   if(mRenderDataProvider)
 674   {
 675     if(mTextureSet)
 676     {
 677       uint32_t textureCount = mTextureSet->GetTextureCount();
 678       mRenderDataProvider->mTextures.resize(textureCount);
 679       mRenderDataProvider->mSamplers.resize(textureCount);
 680       for(uint32_t i = 0; i < textureCount; ++i)
 681       {
 682         mRenderDataProvider->mTextures[i] = mTextureSet->GetTexture(i);
 683         mRenderDataProvider->mSamplers[i] = mTextureSet->GetTextureSampler(i);
 684       }
 685     }
 686     else
 687     {
 688       mRenderDataProvider->mTextures.clear();
 689       mRenderDataProvider->mSamplers.clear();
 690     }
 691   }
 692 }
 693
 694 Render::Renderer& Renderer::GetRenderer()
 695 {
 696   return *mRenderer;
 697 }
 698
 699 const CollectedUniformMap& Renderer::GetUniformMap(BufferIndex bufferIndex) const
 700 {
 701   return mCollectedUniformMap[bufferIndex];
 702 }
 703
 704 Renderer::OpacityType Renderer::GetOpacityType(BufferIndex updateBufferIndex, const Node& node) const
 705 {
 706   Renderer::OpacityType opacityType = Renderer::OPAQUE;
 707
 708   if(node.IsTransparent())
 709   {
 710     return Renderer::TRANSPARENT;
 711   }
 712
 713   switch(mBlendMode)
 714   {
 715     case BlendMode::ON: // If the renderer should always be use blending
 716     {
 717       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 718       if(alpha <= FULLY_TRANSPARENT)
 719       {
 720         opacityType = Renderer::TRANSPARENT;
 721       }
 722       else
 723       {
 724         opacityType = Renderer::TRANSLUCENT;
 725       }
 726       break;
 727     }
 728     case BlendMode::AUTO:
 729     {
 730       if(BlendingOptions::IsAdvancedBlendEquationIncluded(mBlendBitmask))
 731       {
 732         opacityType = Renderer::TRANSLUCENT;
 733         break;
 734       }
 735
 736       bool shaderRequiresBlending(mShader->HintEnabled(Dali::Shader::Hint::OUTPUT_IS_TRANSPARENT));
 737       if(shaderRequiresBlending || (mTextureSet && mTextureSet->HasAlpha()))
 738       {
 739         opacityType = Renderer::TRANSLUCENT;
 740       }
 741
 742       // renderer should determine opacity using the actor color
 743       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 744       if(alpha <= FULLY_TRANSPARENT)
 745       {
 746         opacityType = Renderer::TRANSPARENT;
 747       }
 748       else if(alpha <= FULLY_OPAQUE)
 749       {
 750         opacityType = Renderer::TRANSLUCENT;
 751       }
 752
 753       break;
 754     }
 755     case BlendMode::OFF: // the renderer should never use blending
 756     default:
 757     {
 758       opacityType = Renderer::OPAQUE;
 759       break;
 760     }
 761   }
 762
 763   return opacityType;
 764 }
 765
 766 void Renderer::TextureSetChanged()
 767 {
 768   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 769
 770   UpdateTextureSet();
 771 }
 772
 773 void Renderer::TextureSetDeleted()
 774 {
 775   mTextureSet = nullptr;
 776
 777   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 778
 779   UpdateTextureSet();
 780 }
 781
 782 void Renderer::ConnectionsChanged(PropertyOwner& object)
 783 {
 784   // One of our child objects has changed it's connections. Ensure the uniform
 785   // map gets regenerated during PrepareRender
 786   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 787 }
 788
 789 void Renderer::ConnectedUniformMapChanged()
 790 {
 791   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 792 }
 793
 794 void Renderer::UniformMappingsChanged(const UniformMap& mappings)
 795 {
 796   // The mappings are either from PropertyOwner base class, or the Actor
 797   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 798 }
 799
 800 void Renderer::ObservedObjectDestroyed(PropertyOwner& owner)
 801 {
 802   if(reinterpret_cast<PropertyOwner*>(mShader) == &owner)
 803   {
 804     mShader = nullptr;
 805   }
 806 }
 807
 808 void Renderer::SetDrawCommands(Dali::DevelRenderer::DrawCommand* pDrawCommands, uint32_t size)
 809 {
 810   mDrawCommands.clear();
 811   mDrawCommands.insert(mDrawCommands.end(), pDrawCommands, pDrawCommands + size);
 812   mResendFlag |= RESEND_DRAW_COMMANDS;
 813 }
 814
 815 } // namespace SceneGraph
 816 } // namespace Internal
 817 } // namespace Dali