dali/internal/canvas-renderer/ubuntu/canvas-renderer-impl-ubuntu.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
  18 // CLASS HEADER
  19 #include <dali/internal/canvas-renderer/ubuntu/canvas-renderer-impl-ubuntu.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/integration-api/debug.h>
  23 #include <dali/public-api/object/type-registry.h>
  24
  25 // INTERNAL INCLUDES
  26 #include <dali/devel-api/adaptor-framework/pixel-buffer.h>
  27 #include <dali/internal/canvas-renderer/common/drawable-group-impl.h>
  28 #include <dali/internal/canvas-renderer/common/drawable-impl.h>
  29 #include <dali/internal/imaging/common/pixel-buffer-impl.h>
  30
  31 namespace Dali
  32 {
  33 namespace Internal
  34 {
  35 namespace Adaptor
  36 {
  37 namespace // unnamed namespace
  38 {
  39 // Type Registration
  40 Dali::BaseHandle Create()
  41 {
  42   return Dali::BaseHandle();
  43 }
  44
  45 Dali::TypeRegistration type(typeid(Dali::CanvasRenderer), typeid(Dali::BaseHandle), Create);
  46
  47 } // unnamed namespace
  48
  49 CanvasRendererUbuntu* CanvasRendererUbuntu::New(const Vector2& viewBox)
  50 {
  51   return new CanvasRendererUbuntu(viewBox);
  52 }
  53
  54 CanvasRendererUbuntu::CanvasRendererUbuntu(const Vector2& viewBox)
  55 : mPixelBuffer(nullptr),
  56 #ifdef THORVG_SUPPORT
  57   mTvgCanvas(nullptr),
  58   mTvgRoot(nullptr),
  59 #endif
  60   mSize(Vector2::ZERO),
  61   mViewBox(Vector2::ZERO),
  62   mChanged(false)
  63 {
  64   Initialize(viewBox);
  65 }
  66
  67 CanvasRendererUbuntu::~CanvasRendererUbuntu()
  68 {
  69 #ifdef THORVG_SUPPORT
  70   mDrawables.clear();
  71
  72   //Terminate ThorVG Engine
  73   tvg::Initializer::term(tvg::CanvasEngine::Sw);
  74 #endif
  75 }
  76
  77 void CanvasRendererUbuntu::Initialize(const Vector2& viewBox)
  78 {
  79 #ifdef THORVG_SUPPORT
  80   if(tvg::Initializer::init(tvg::CanvasEngine::Sw, 0 /*threads*/) != tvg::Result::Success)
  81   {
  82     DALI_LOG_ERROR("ThorVG engine initialize failed\n");
  83   }
  84   mTvgCanvas = tvg::SwCanvas::gen();
  85
  86   mSize = mViewBox = viewBox;
  87   if(viewBox.width < 1.0f || viewBox.height < 1.0f)
  88   {
  89     return;
  90   }
  91
  92   MakeTargetBuffer(mSize);
  93 #endif
  94 }
  95
  96 bool CanvasRendererUbuntu::Commit()
  97 {
  98 #ifdef THORVG_SUPPORT
  99   Mutex::ScopedLock lock(mMutex);
 100
 101   if(mSize.width < 1.0f || mSize.height < 1.0f)
 102   {
 103     DALI_LOG_ERROR("Size is zero [%p]\n", this);
 104     return false;
 105   }
 106
 107   bool changed = false;
 108
 109   for(auto& it : mDrawables)
 110   {
 111     if(HaveDrawablesChanged(it))
 112     {
 113       UpdateDrawablesChanged(it, false);
 114       changed = true;
 115     }
 116   }
 117
 118   if(!changed && !mChanged)
 119   {
 120     return false;
 121   }
 122   else
 123   {
 124     if(!mPixelBuffer || !mPixelBuffer.GetBuffer())
 125     {
 126       MakeTargetBuffer(mSize);
 127       mChanged = false;
 128     }
 129   }
 130
 131   if(mTvgCanvas->clear() != tvg::Result::Success)
 132   {
 133     DALI_LOG_ERROR("ThorVG canvas clear fail [%p]\n", this);
 134     return false;
 135   }
 136
 137   auto scene = tvg::Scene::gen();
 138   mTvgRoot   = scene.get();
 139   for(auto& it : mDrawables)
 140   {
 141     PushDrawableToGroup(it, mTvgRoot);
 142   }
 143
 144   if(mViewBox != mSize && mViewBox.width != 0 && mViewBox.height != 0)
 145   {
 146     auto scaleX = mSize.width / mViewBox.width;
 147     auto scaleY = mSize.height / mViewBox.height;
 148     mTvgRoot->scale(scaleX < scaleY ? scaleX : scaleY);
 149   }
 150
 151   if(mTvgCanvas->push(move(scene)) != tvg::Result::Success)
 152   {
 153     DALI_LOG_ERROR("ThorVG canvas push fail [%p]\n", this);
 154     return false;
 155   }
 156
 157   return true;
 158 #else
 159   return false;
 160 #endif
 161 }
 162
 163 Devel::PixelBuffer CanvasRendererUbuntu::GetPixelBuffer()
 164 {
 165   return mPixelBuffer;
 166 }
 167
 168 bool CanvasRendererUbuntu::AddDrawable(Dali::CanvasRenderer::Drawable& drawable)
 169 {
 170 #ifdef THORVG_SUPPORT
 171   Internal::Adaptor::Drawable& drawableImpl = GetImplementation(drawable);
 172   if(drawableImpl.IsAdded())
 173   {
 174     DALI_LOG_ERROR("Already added [%p][%p]\n", this, &drawable);
 175     return false;
 176   }
 177
 178   drawableImpl.SetAdded(true);
 179   mDrawables.push_back(drawable);
 180   mChanged = true;
 181
 182   return true;
 183 #else
 184   return false;
 185 #endif
 186 }
 187
 188 #ifdef THORVG_SUPPORT
 189 bool CanvasRendererUbuntu::HaveDrawablesChanged(const Dali::CanvasRenderer::Drawable& drawable) const
 190 {
 191   const Internal::Adaptor::Drawable& drawableImpl = GetImplementation(drawable);
 192   if(drawableImpl.GetChanged())
 193   {
 194     return true;
 195   }
 196
 197   if(drawableImpl.GetType() == Drawable::Types::DRAWABLE_GROUP)
 198   {
 199     const Dali::CanvasRenderer::DrawableGroup& group             = static_cast<const Dali::CanvasRenderer::DrawableGroup&>(drawable);
 200     const Internal::Adaptor::DrawableGroup&    drawableGroupImpl = Dali::GetImplementation(group);
 201     DrawableGroup::DrawableVector              drawables         = drawableGroupImpl.GetDrawables();
 202     for(auto& it : drawables)
 203     {
 204       if(HaveDrawablesChanged(it))
 205       {
 206         return true;
 207       }
 208     }
 209   }
 210
 211   return false;
 212 }
 213
 214 void CanvasRendererUbuntu::UpdateDrawablesChanged(Dali::CanvasRenderer::Drawable& drawable, bool changed)
 215 {
 216   Internal::Adaptor::Drawable& drawableImpl = GetImplementation(drawable);
 217   drawableImpl.SetChanged(changed);
 218
 219   if(drawableImpl.GetType() == Drawable::Types::DRAWABLE_GROUP)
 220   {
 221     Dali::CanvasRenderer::DrawableGroup& group             = static_cast<Dali::CanvasRenderer::DrawableGroup&>(drawable);
 222     Internal::Adaptor::DrawableGroup&    drawableGroupImpl = Dali::GetImplementation(group);
 223     DrawableGroup::DrawableVector        drawables         = drawableGroupImpl.GetDrawables();
 224     for(auto& it : drawables)
 225     {
 226       UpdateDrawablesChanged(it, changed);
 227     }
 228   }
 229 }
 230 #endif
 231
 232 bool CanvasRendererUbuntu::IsCanvasChanged() const
 233 {
 234 #ifdef THORVG_SUPPORT
 235   if(mChanged)
 236   {
 237     return true;
 238   }
 239
 240   for(auto& it : mDrawables)
 241   {
 242     if(HaveDrawablesChanged(it))
 243     {
 244       return true;
 245     }
 246   }
 247 #endif
 248   return false;
 249 }
 250
 251 bool CanvasRendererUbuntu::Rasterize()
 252 {
 253 #ifdef THORVG_SUPPORT
 254   Mutex::ScopedLock lock(mMutex);
 255
 256   if(mTvgCanvas->draw() != tvg::Result::Success)
 257   {
 258     DALI_LOG_ERROR("ThorVG Draw fail [%p]\n", this);
 259     return false;
 260   }
 261
 262   mTvgCanvas->sync();
 263
 264   return true;
 265 #else
 266   return false;
 267 #endif
 268 }
 269
 270 bool CanvasRendererUbuntu::RemoveDrawable(Dali::CanvasRenderer::Drawable& drawable)
 271 {
 272 #ifdef THORVG_SUPPORT
 273   DrawableGroup::DrawableVector::iterator it = std::find(mDrawables.begin(), mDrawables.end(), drawable);
 274   if(it != mDrawables.end())
 275   {
 276     Internal::Adaptor::Drawable& drawableImpl = GetImplementation(drawable);
 277     drawableImpl.SetAdded(false);
 278
 279     mDrawables.erase(it);
 280     mChanged = true;
 281
 282     return true;
 283   }
 284
 285 #endif
 286   return false;
 287 }
 288
 289 bool CanvasRendererUbuntu::SetSize(const Vector2& size)
 290 {
 291   if(size.width < 1.0f || size.height < 1.0f)
 292   {
 293     return false;
 294   }
 295
 296   if(size != mSize)
 297   {
 298     mSize    = size;
 299     mChanged = true;
 300   }
 301
 302   return true;
 303 }
 304
 305 const Vector2& CanvasRendererUbuntu::GetSize()
 306 {
 307   return mSize;
 308 }
 309
 310 bool CanvasRendererUbuntu::SetViewBox(const Vector2& viewBox)
 311 {
 312   if(viewBox.width < 1.0f || viewBox.height < 1.0f)
 313   {
 314     return false;
 315   }
 316
 317   if(viewBox != mViewBox)
 318   {
 319     mViewBox = viewBox;
 320     mChanged = true;
 321   }
 322
 323   return true;
 324 }
 325
 326 const Vector2& CanvasRendererUbuntu::GetViewBox()
 327 {
 328   return mViewBox;
 329 }
 330
 331 void CanvasRendererUbuntu::MakeTargetBuffer(const Vector2& size)
 332 {
 333 #ifdef THORVG_SUPPORT
 334   mPixelBuffer = Devel::PixelBuffer::New(size.width, size.height, Dali::Pixel::RGBA8888);
 335
 336   unsigned char* pBuffer;
 337   pBuffer = mPixelBuffer.GetBuffer();
 338
 339   if(!pBuffer)
 340   {
 341     DALI_LOG_ERROR("Pixel buffer create to fail [%p]\n", this);
 342     return;
 343   }
 344
 345   mTvgCanvas->target(reinterpret_cast<uint32_t*>(pBuffer), size.width, size.width, size.height, tvg::SwCanvas::ABGR8888);
 346 #endif
 347 }
 348
 349 #ifdef THORVG_SUPPORT
 350 void CanvasRendererUbuntu::PushDrawableToGroup(Dali::CanvasRenderer::Drawable& drawable, tvg::Scene* group)
 351 {
 352   Internal::Adaptor::Drawable& drawableImpl        = Dali::GetImplementation(drawable);
 353   tvg::Paint*                  tvgDuplicatedObject = static_cast<tvg::Paint*>(drawableImpl.GetObject())->duplicate();
 354   if(!tvgDuplicatedObject)
 355   {
 356     DALI_LOG_ERROR("Invalid drawable object [%p]\n", this);
 357     return;
 358   }
 359   Drawable::Types type = drawableImpl.GetType();
 360
 361   if(type == Drawable::Types::DRAWABLE_GROUP)
 362   {
 363     Dali::CanvasRenderer::DrawableGroup& group             = static_cast<Dali::CanvasRenderer::DrawableGroup&>(drawable);
 364     Internal::Adaptor::DrawableGroup&    drawableGroupImpl = Dali::GetImplementation(group);
 365     DrawableGroup::DrawableVector        drawables         = drawableGroupImpl.GetDrawables();
 366     for(auto& it : drawables)
 367     {
 368       PushDrawableToGroup(it, static_cast<tvg::Scene*>(tvgDuplicatedObject));
 369     }
 370   }
 371
 372   Dali::CanvasRenderer::Drawable compositeDrawable = drawableImpl.GetCompositionDrawable();
 373   if(DALI_UNLIKELY(compositeDrawable))
 374   {
 375     Internal::Adaptor::Drawable& compositeDrawableImpl = Dali::GetImplementation(compositeDrawable);
 376     tvg::Paint*                  tvgCompositeObject    = static_cast<tvg::Paint*>(compositeDrawableImpl.GetObject());
 377     if(tvgCompositeObject)
 378     {
 379       tvg::Paint*     tvgDuplicatedCompositeObject = tvgCompositeObject->duplicate();
 380       Drawable::Types type                         = compositeDrawableImpl.GetType();
 381
 382       if(type == Drawable::Types::DRAWABLE_GROUP)
 383       {
 384         Dali::CanvasRenderer::DrawableGroup& compositeGroup             = static_cast<Dali::CanvasRenderer::DrawableGroup&>(compositeDrawable);
 385         Internal::Adaptor::DrawableGroup&    compositeDrawableGroupImpl = Dali::GetImplementation(compositeGroup);
 386         DrawableGroup::DrawableVector        compositeDrawables         = compositeDrawableGroupImpl.GetDrawables();
 387         for(auto& it : compositeDrawables)
 388         {
 389           PushDrawableToGroup(it, static_cast<tvg::Scene*>(tvgDuplicatedCompositeObject));
 390         }
 391       }
 392
 393       if(tvgDuplicatedObject->composite(std::move(std::unique_ptr<tvg::Paint>(tvgDuplicatedCompositeObject)), static_cast<tvg::CompositeMethod>(drawableImpl.GetCompositionType())) != tvg::Result::Success)
 394       {
 395         DALI_LOG_ERROR("Tvg composite fail [%p]\n", this);
 396         return;
 397       }
 398     }
 399   }
 400
 401   if(group->push(std::move(std::unique_ptr<tvg::Paint>(tvgDuplicatedObject))) != tvg::Result::Success)
 402   {
 403     DALI_LOG_ERROR("Tvg push fail [%p]\n", this);
 404     return;
 405   }
 406 }
 407 #endif
 408
 409 } // namespace Adaptor
 410
 411 } // namespace Internal
 412
 413 } // namespace Dali