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   if(mRegenerateUniformMap == UNIFORM_MAP_READY)
 181   {
 182     mUniformMapChanged[updateBufferIndex] = false;
 183   }
 184   else
 185   {
 186     if(mRegenerateUniformMap == REGENERATE_UNIFORM_MAP)
 187     {
 188       CollectedUniformMap& localMap = mCollectedUniformMap[updateBufferIndex];
 189       localMap.Clear();
 190
 191       const UniformMap& rendererUniformMap = PropertyOwner::GetUniformMap();
 192
 193       auto size = rendererUniformMap.Count();
 194       if(mShader)
 195       {
 196         size += mShader->GetUniformMap().Count();
 197       }
 198
 199       localMap.Reserve(size);
 200
 201       AddMappings(localMap, rendererUniformMap);
 202
 203       if(mShader)
 204       {
 205         AddMappings(localMap, mShader->GetUniformMap());
 206       }
 207     }
 208     else if(mRegenerateUniformMap == COPY_UNIFORM_MAP)
 209     {
 210       // Copy old map into current map
 211       CollectedUniformMap& localMap = mCollectedUniformMap[updateBufferIndex];
 212       CollectedUniformMap& oldMap   = mCollectedUniformMap[1 - updateBufferIndex];
 213
 214       localMap.Resize(oldMap.Count());
 215
 216       uint32_t index = 0;
 217       for(CollectedUniformMap::Iterator iter = oldMap.Begin(), end = oldMap.End(); iter != end; ++iter, ++index)
 218       {
 219         localMap[index] = *iter;
 220       }
 221     }
 222
 223     mUniformMapChanged[updateBufferIndex] = true;
 224     mRegenerateUniformMap--;
 225   }
 226
 227   bool rendererUpdated = mUniformMapChanged[updateBufferIndex] || mResendFlag || mRenderingBehavior == DevelRenderer::Rendering::CONTINUOUSLY;
 228
 229   if(mResendFlag != 0)
 230   {
 231     if(mResendFlag & RESEND_GEOMETRY)
 232     {
 233       typedef MessageValue1<Render::Renderer, Render::Geometry*> DerivedType;
 234       uint32_t*                                                  slot = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 235       new(slot) DerivedType(mRenderer, &Render::Renderer::SetGeometry, mGeometry);
 236     }
 237
 238     if(mResendFlag & RESEND_DRAW_COMMANDS)
 239     {
 240       using DerivedType = MessageValue2<Render::Renderer, Dali::DevelRenderer::DrawCommand*, uint32_t>;
 241       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 242       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDrawCommands, mDrawCommands.data(), mDrawCommands.size());
 243     }
 244
 245     if(mResendFlag & RESEND_FACE_CULLING_MODE)
 246     {
 247       using DerivedType = MessageValue1<Render::Renderer, FaceCullingMode::Type>;
 248       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 249       new(slot) DerivedType(mRenderer, &Render::Renderer::SetFaceCullingMode, mFaceCullingMode);
 250     }
 251
 252     if(mResendFlag & RESEND_BLEND_BIT_MASK)
 253     {
 254       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 255       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 256       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendingBitMask, mBlendBitmask);
 257     }
 258
 259     if(mResendFlag & RESEND_BLEND_COLOR)
 260     {
 261       using DerivedType = MessageValue1<Render::Renderer, Vector4>;
 262       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 263       new(slot) DerivedType(mRenderer, &Render::Renderer::SetBlendColor, GetBlendColor());
 264     }
 265
 266     if(mResendFlag & RESEND_PREMULTIPLIED_ALPHA)
 267     {
 268       using DerivedType = MessageValue1<Render::Renderer, bool>;
 269       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 270       new(slot) DerivedType(mRenderer, &Render::Renderer::EnablePreMultipliedAlpha, mPremultipledAlphaEnabled);
 271     }
 272
 273     if(mResendFlag & RESEND_INDEXED_DRAW_FIRST_ELEMENT)
 274     {
 275       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 276       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 277       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawFirstElement, mIndexedDrawFirstElement);
 278     }
 279
 280     if(mResendFlag & RESEND_INDEXED_DRAW_ELEMENTS_COUNT)
 281     {
 282       using DerivedType = MessageValue1<Render::Renderer, uint32_t>;
 283       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 284       new(slot) DerivedType(mRenderer, &Render::Renderer::SetIndexedDrawElementsCount, mIndexedDrawElementsCount);
 285     }
 286
 287     if(mResendFlag & RESEND_DEPTH_WRITE_MODE)
 288     {
 289       using DerivedType = MessageValue1<Render::Renderer, DepthWriteMode::Type>;
 290       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 291       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthWriteMode, mDepthWriteMode);
 292     }
 293
 294     if(mResendFlag & RESEND_DEPTH_TEST_MODE)
 295     {
 296       using DerivedType = MessageValue1<Render::Renderer, DepthTestMode::Type>;
 297       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 298       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthTestMode, mDepthTestMode);
 299     }
 300
 301     if(mResendFlag & RESEND_DEPTH_FUNCTION)
 302     {
 303       using DerivedType = MessageValue1<Render::Renderer, DepthFunction::Type>;
 304       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 305       new(slot) DerivedType(mRenderer, &Render::Renderer::SetDepthFunction, mDepthFunction);
 306     }
 307
 308     if(mResendFlag & RESEND_RENDER_MODE)
 309     {
 310       using DerivedType = MessageValue1<Render::Renderer, RenderMode::Type>;
 311       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 312       new(slot) DerivedType(mRenderer, &Render::Renderer::SetRenderMode, mStencilParameters.renderMode);
 313     }
 314
 315     if(mResendFlag & RESEND_STENCIL_FUNCTION)
 316     {
 317       using DerivedType = MessageValue1<Render::Renderer, StencilFunction::Type>;
 318       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 319       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunction, mStencilParameters.stencilFunction);
 320     }
 321
 322     if(mResendFlag & RESEND_STENCIL_FUNCTION_MASK)
 323     {
 324       using DerivedType = MessageValue1<Render::Renderer, int>;
 325       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 326       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionMask, mStencilParameters.stencilFunctionMask);
 327     }
 328
 329     if(mResendFlag & RESEND_STENCIL_FUNCTION_REFERENCE)
 330     {
 331       using DerivedType = MessageValue1<Render::Renderer, int>;
 332       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 333       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilFunctionReference, mStencilParameters.stencilFunctionReference);
 334     }
 335
 336     if(mResendFlag & RESEND_STENCIL_MASK)
 337     {
 338       using DerivedType = MessageValue1<Render::Renderer, int>;
 339       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 340       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilMask, mStencilParameters.stencilMask);
 341     }
 342
 343     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_FAIL)
 344     {
 345       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 346       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 347       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnFail, mStencilParameters.stencilOperationOnFail);
 348     }
 349
 350     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_FAIL)
 351     {
 352       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 353       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 354       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZFail, mStencilParameters.stencilOperationOnZFail);
 355     }
 356
 357     if(mResendFlag & RESEND_STENCIL_OPERATION_ON_Z_PASS)
 358     {
 359       using DerivedType = MessageValue1<Render::Renderer, StencilOperation::Type>;
 360       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 361       new(slot) DerivedType(mRenderer, &Render::Renderer::SetStencilOperationOnZPass, mStencilParameters.stencilOperationOnZPass);
 362     }
 363
 364     if(mResendFlag & RESEND_SHADER)
 365     {
 366       using DerivedType = MessageValue1<Render::Renderer, bool>;
 367       uint32_t* slot    = mSceneController->GetRenderQueue().ReserveMessageSlot(updateBufferIndex, sizeof(DerivedType));
 368       new(slot) DerivedType(mRenderer, &Render::Renderer::SetShaderChanged, true);
 369     }
 370
 371     mResendFlag = 0;
 372   }
 373
 374   return rendererUpdated;
 375 }
 376
 377 void Renderer::SetTextures(TextureSet* textureSet)
 378 {
 379   DALI_ASSERT_DEBUG(textureSet != NULL && "Texture set pointer is NULL");
 380
 381   if(mTextureSet)
 382   {
 383     mTextureSet->RemoveObserver(this);
 384   }
 385
 386   mTextureSet = textureSet;
 387   mTextureSet->AddObserver(this);
 388   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 389
 390   UpdateTextureSet();
 391 }
 392
 393 void Renderer::SetShader(Shader* shader)
 394 {
 395   DALI_ASSERT_DEBUG(shader != NULL && "Shader pointer is NULL");
 396
 397   if(mShader)
 398   {
 399     mShader->RemoveConnectionObserver(*this);
 400   }
 401
 402   mShader = shader;
 403   mShader->AddConnectionObserver(*this);
 404   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 405   mResendFlag |= RESEND_GEOMETRY | RESEND_SHADER;
 406
 407   if(mRenderDataProvider)
 408   {
 409     mRenderDataProvider->mShader = mShader;
 410   }
 411 }
 412
 413 void Renderer::SetGeometry(Render::Geometry* geometry)
 414 {
 415   DALI_ASSERT_DEBUG(geometry != NULL && "Geometry pointer is NULL");
 416   mGeometry = geometry;
 417
 418   if(mRenderer)
 419   {
 420     mResendFlag |= RESEND_GEOMETRY;
 421   }
 422 }
 423
 424 void Renderer::SetDepthIndex(int depthIndex)
 425 {
 426   mDepthIndex = depthIndex;
 427 }
 428
 429 void Renderer::SetFaceCullingMode(FaceCullingMode::Type faceCullingMode)
 430 {
 431   mFaceCullingMode = faceCullingMode;
 432   mResendFlag |= RESEND_FACE_CULLING_MODE;
 433 }
 434
 435 FaceCullingMode::Type Renderer::GetFaceCullingMode() const
 436 {
 437   return mFaceCullingMode;
 438 }
 439
 440 void Renderer::SetBlendMode(BlendMode::Type blendingMode)
 441 {
 442   mBlendMode = blendingMode;
 443 }
 444
 445 BlendMode::Type Renderer::GetBlendMode() const
 446 {
 447   return mBlendMode;
 448 }
 449
 450 void Renderer::SetBlendingOptions(uint32_t options)
 451 {
 452   if(mBlendBitmask != options)
 453   {
 454     mBlendBitmask = options;
 455     mResendFlag |= RESEND_BLEND_BIT_MASK;
 456   }
 457 }
 458
 459 uint32_t Renderer::GetBlendingOptions() const
 460 {
 461   return mBlendBitmask;
 462 }
 463
 464 void Renderer::SetBlendColor(const Vector4& blendColor)
 465 {
 466   if(blendColor == Color::TRANSPARENT)
 467   {
 468     mBlendColor = nullptr;
 469   }
 470   else
 471   {
 472     if(!mBlendColor)
 473     {
 474       mBlendColor = new Vector4(blendColor);
 475     }
 476     else
 477     {
 478       *mBlendColor = blendColor;
 479     }
 480   }
 481
 482   mResendFlag |= RESEND_BLEND_COLOR;
 483 }
 484
 485 Vector4 Renderer::GetBlendColor() const
 486 {
 487   if(mBlendColor)
 488   {
 489     return *mBlendColor;
 490   }
 491   return Color::TRANSPARENT;
 492 }
 493
 494 void Renderer::SetIndexedDrawFirstElement(uint32_t firstElement)
 495 {
 496   mIndexedDrawFirstElement = firstElement;
 497   mResendFlag |= RESEND_INDEXED_DRAW_FIRST_ELEMENT;
 498 }
 499
 500 uint32_t Renderer::GetIndexedDrawFirstElement() const
 501 {
 502   return mIndexedDrawFirstElement;
 503 }
 504
 505 void Renderer::SetIndexedDrawElementsCount(uint32_t elementsCount)
 506 {
 507   mIndexedDrawElementsCount = elementsCount;
 508   mResendFlag |= RESEND_INDEXED_DRAW_ELEMENTS_COUNT;
 509 }
 510
 511 uint32_t Renderer::GetIndexedDrawElementsCount() const
 512 {
 513   return mIndexedDrawElementsCount;
 514 }
 515
 516 void Renderer::EnablePreMultipliedAlpha(bool preMultipled)
 517 {
 518   mPremultipledAlphaEnabled = preMultipled;
 519   mResendFlag |= RESEND_PREMULTIPLIED_ALPHA;
 520 }
 521
 522 bool Renderer::IsPreMultipliedAlphaEnabled() const
 523 {
 524   return mPremultipledAlphaEnabled;
 525 }
 526
 527 void Renderer::SetDepthWriteMode(DepthWriteMode::Type depthWriteMode)
 528 {
 529   mDepthWriteMode = depthWriteMode;
 530   mResendFlag |= RESEND_DEPTH_WRITE_MODE;
 531 }
 532
 533 DepthWriteMode::Type Renderer::GetDepthWriteMode() const
 534 {
 535   return mDepthWriteMode;
 536 }
 537
 538 void Renderer::SetDepthTestMode(DepthTestMode::Type depthTestMode)
 539 {
 540   mDepthTestMode = depthTestMode;
 541   mResendFlag |= RESEND_DEPTH_TEST_MODE;
 542 }
 543
 544 DepthTestMode::Type Renderer::GetDepthTestMode() const
 545 {
 546   return mDepthTestMode;
 547 }
 548
 549 void Renderer::SetDepthFunction(DepthFunction::Type depthFunction)
 550 {
 551   mDepthFunction = depthFunction;
 552   mResendFlag |= RESEND_DEPTH_FUNCTION;
 553 }
 554
 555 DepthFunction::Type Renderer::GetDepthFunction() const
 556 {
 557   return mDepthFunction;
 558 }
 559
 560 void Renderer::SetRenderMode(RenderMode::Type mode)
 561 {
 562   mStencilParameters.renderMode = mode;
 563   mResendFlag |= RESEND_RENDER_MODE;
 564 }
 565
 566 void Renderer::SetStencilFunction(StencilFunction::Type stencilFunction)
 567 {
 568   mStencilParameters.stencilFunction = stencilFunction;
 569   mResendFlag |= RESEND_STENCIL_FUNCTION;
 570 }
 571
 572 void Renderer::SetStencilFunctionMask(int stencilFunctionMask)
 573 {
 574   mStencilParameters.stencilFunctionMask = stencilFunctionMask;
 575   mResendFlag |= RESEND_STENCIL_FUNCTION_MASK;
 576 }
 577
 578 void Renderer::SetStencilFunctionReference(int stencilFunctionReference)
 579 {
 580   mStencilParameters.stencilFunctionReference = stencilFunctionReference;
 581   mResendFlag |= RESEND_STENCIL_FUNCTION_REFERENCE;
 582 }
 583
 584 void Renderer::SetStencilMask(int stencilMask)
 585 {
 586   mStencilParameters.stencilMask = stencilMask;
 587   mResendFlag |= RESEND_STENCIL_MASK;
 588 }
 589
 590 void Renderer::SetStencilOperationOnFail(StencilOperation::Type stencilOperationOnFail)
 591 {
 592   mStencilParameters.stencilOperationOnFail = stencilOperationOnFail;
 593   mResendFlag |= RESEND_STENCIL_OPERATION_ON_FAIL;
 594 }
 595
 596 void Renderer::SetStencilOperationOnZFail(StencilOperation::Type stencilOperationOnZFail)
 597 {
 598   mStencilParameters.stencilOperationOnZFail = stencilOperationOnZFail;
 599   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_FAIL;
 600 }
 601
 602 void Renderer::SetStencilOperationOnZPass(StencilOperation::Type stencilOperationOnZPass)
 603 {
 604   mStencilParameters.stencilOperationOnZPass = stencilOperationOnZPass;
 605   mResendFlag |= RESEND_STENCIL_OPERATION_ON_Z_PASS;
 606 }
 607
 608 const Render::Renderer::StencilParameters& Renderer::GetStencilParameters() const
 609 {
 610   return mStencilParameters;
 611 }
 612
 613 void Renderer::BakeOpacity(BufferIndex updateBufferIndex, float opacity)
 614 {
 615   mOpacity.Bake(updateBufferIndex, opacity);
 616 }
 617
 618 float Renderer::GetOpacity(BufferIndex updateBufferIndex) const
 619 {
 620   return mOpacity[updateBufferIndex];
 621 }
 622
 623 void Renderer::SetRenderingBehavior(DevelRenderer::Rendering::Type renderingBehavior)
 624 {
 625   mRenderingBehavior = renderingBehavior;
 626 }
 627
 628 DevelRenderer::Rendering::Type Renderer::GetRenderingBehavior() const
 629 {
 630   return mRenderingBehavior;
 631 }
 632
 633 //Called when SceneGraph::Renderer is added to update manager ( that happens when an "event-thread renderer" is created )
 634 void Renderer::ConnectToSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 635 {
 636   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 637   mSceneController      = &sceneController;
 638
 639   mRenderDataProvider                          = new RenderDataProvider(mOpacity);
 640   mRenderDataProvider->mUniformMapDataProvider = this;
 641
 642   mRenderer = Render::Renderer::New(mRenderDataProvider, mGeometry, mBlendBitmask, GetBlendColor(), static_cast<FaceCullingMode::Type>(mFaceCullingMode), mPremultipledAlphaEnabled, mDepthWriteMode, mDepthTestMode, mDepthFunction, mStencilParameters);
 643
 644   OwnerPointer<Render::Renderer> transferOwnership(mRenderer);
 645   mSceneController->GetRenderMessageDispatcher().AddRenderer(transferOwnership);
 646 }
 647
 648 //Called just before destroying the scene-graph renderer ( when the "event-thread renderer" is no longer referenced )
 649 void Renderer::DisconnectFromSceneGraph(SceneController& sceneController, BufferIndex bufferIndex)
 650 {
 651   //Remove renderer from RenderManager
 652   if(mRenderer)
 653   {
 654     mSceneController->GetRenderMessageDispatcher().RemoveRenderer(*mRenderer);
 655     mRenderer = nullptr;
 656   }
 657   mSceneController    = nullptr;
 658   mRenderDataProvider = nullptr;
 659 }
 660
 661 void Renderer::UpdateTextureSet()
 662 {
 663   if(mRenderDataProvider)
 664   {
 665     if(mTextureSet)
 666     {
 667       uint32_t textureCount = mTextureSet->GetTextureCount();
 668       mRenderDataProvider->mTextures.resize(textureCount);
 669       mRenderDataProvider->mSamplers.resize(textureCount);
 670       for(uint32_t i = 0; i < textureCount; ++i)
 671       {
 672         mRenderDataProvider->mTextures[i] = mTextureSet->GetTexture(i);
 673         mRenderDataProvider->mSamplers[i] = mTextureSet->GetTextureSampler(i);
 674       }
 675     }
 676     else
 677     {
 678       mRenderDataProvider->mTextures.clear();
 679       mRenderDataProvider->mSamplers.clear();
 680     }
 681   }
 682 }
 683
 684 Render::Renderer& Renderer::GetRenderer()
 685 {
 686   return *mRenderer;
 687 }
 688
 689 const CollectedUniformMap& Renderer::GetUniformMap(BufferIndex bufferIndex) const
 690 {
 691   return mCollectedUniformMap[bufferIndex];
 692 }
 693
 694 Renderer::OpacityType Renderer::GetOpacityType(BufferIndex updateBufferIndex, const Node& node) const
 695 {
 696   Renderer::OpacityType opacityType = Renderer::OPAQUE;
 697
 698   if(node.IsTransparent())
 699   {
 700     return Renderer::TRANSPARENT;
 701   }
 702
 703   switch(mBlendMode)
 704   {
 705     case BlendMode::ON: // If the renderer should always be use blending
 706     {
 707       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 708       if(alpha <= FULLY_TRANSPARENT)
 709       {
 710         opacityType = Renderer::TRANSPARENT;
 711       }
 712       else
 713       {
 714         opacityType = Renderer::TRANSLUCENT;
 715       }
 716       break;
 717     }
 718     case BlendMode::AUTO:
 719     {
 720       if(BlendingOptions::IsAdvancedBlendEquationIncluded(mBlendBitmask))
 721       {
 722         opacityType = Renderer::TRANSLUCENT;
 723         break;
 724       }
 725
 726       bool shaderRequiresBlending(mShader->HintEnabled(Dali::Shader::Hint::OUTPUT_IS_TRANSPARENT));
 727       if(shaderRequiresBlending || (mTextureSet && mTextureSet->HasAlpha()))
 728       {
 729         opacityType = Renderer::TRANSLUCENT;
 730       }
 731
 732       // renderer should determine opacity using the actor color
 733       float alpha = node.GetWorldColor(updateBufferIndex).a * mOpacity[updateBufferIndex];
 734       if(alpha <= FULLY_TRANSPARENT)
 735       {
 736         opacityType = Renderer::TRANSPARENT;
 737       }
 738       else if(alpha <= FULLY_OPAQUE)
 739       {
 740         opacityType = Renderer::TRANSLUCENT;
 741       }
 742
 743       break;
 744     }
 745     case BlendMode::OFF: // the renderer should never use blending
 746     default:
 747     {
 748       opacityType = Renderer::OPAQUE;
 749       break;
 750     }
 751   }
 752
 753   return opacityType;
 754 }
 755
 756 void Renderer::TextureSetChanged()
 757 {
 758   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 759
 760   UpdateTextureSet();
 761 }
 762
 763 void Renderer::TextureSetDeleted()
 764 {
 765   mTextureSet = nullptr;
 766
 767   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 768
 769   UpdateTextureSet();
 770 }
 771
 772 void Renderer::ConnectionsChanged(PropertyOwner& object)
 773 {
 774   // One of our child objects has changed it's connections. Ensure the uniform
 775   // map gets regenerated during PrepareRender
 776   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 777 }
 778
 779 void Renderer::ConnectedUniformMapChanged()
 780 {
 781   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 782 }
 783
 784 void Renderer::UniformMappingsChanged(const UniformMap& mappings)
 785 {
 786   // The mappings are either from PropertyOwner base class, or the Actor
 787   mRegenerateUniformMap = REGENERATE_UNIFORM_MAP;
 788 }
 789
 790 void Renderer::ObservedObjectDestroyed(PropertyOwner& owner)
 791 {
 792   if(reinterpret_cast<PropertyOwner*>(mShader) == &owner)
 793   {
 794     mShader = nullptr;
 795   }
 796 }
 797
 798 void Renderer::SetDrawCommands(Dali::DevelRenderer::DrawCommand* pDrawCommands, uint32_t size)
 799 {
 800   mDrawCommands.clear();
 801   mDrawCommands.insert(mDrawCommands.end(), pDrawCommands, pDrawCommands + size);
 802   mResendFlag |= RESEND_DRAW_COMMANDS;
 803 }
 804
 805 } // namespace SceneGraph
 806 } // namespace Internal
 807 } // namespace Dali