CanvasRenderer: Separates Commit() method
[platform/core/uifw/dali-adaptor.git] / dali / internal / canvas-renderer / tizen / canvas-renderer-impl-tizen.cpp
1 /*
2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
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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/tizen/canvas-renderer-impl-tizen.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 CanvasRendererTizen* CanvasRendererTizen::New(const Vector2& viewBox)
50 {
51   return new CanvasRendererTizen(viewBox);
52 }
53
54 CanvasRendererTizen::CanvasRendererTizen(const Vector2& viewBox)
55 : mPixelBuffer(nullptr),
56 #ifdef THORVG_SUPPORT
57   mTvgCanvas(nullptr),
58   mTvgRoot(nullptr),
59 #endif
60   mSize(0, 0),
61   mViewBox(0, 0),
62   mChanged(false)
63 {
64   Initialize(viewBox);
65 }
66
67 CanvasRendererTizen::~CanvasRendererTizen()
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 CanvasRendererTizen::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 CanvasRendererTizen::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 CanvasRendererTizen::GetPixelBuffer()
164 {
165   return mPixelBuffer;
166 }
167
168 bool CanvasRendererTizen::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 CanvasRendererTizen::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 CanvasRendererTizen::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 CanvasRendererTizen::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 CanvasRendererTizen::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 CanvasRendererTizen::SetSize(const Vector2& size)
271 {
272   if(size.width < 1.0f || size.height < 1.0f)
273   {
274     return false;
275   }
276
277   if(size != mSize)
278   {
279     mSize    = size;
280     mChanged = true;
281   }
282
283   return true;
284 }
285
286 const Vector2& CanvasRendererTizen::GetSize()
287 {
288   return mSize;
289 }
290
291 void CanvasRendererTizen::MakeTargetBuffer(const Vector2& size)
292 {
293 #ifdef THORVG_SUPPORT
294   mPixelBuffer = Devel::PixelBuffer::New(size.width, size.height, Dali::Pixel::RGBA8888);
295
296   unsigned char* pBuffer;
297   pBuffer = mPixelBuffer.GetBuffer();
298
299   if(!pBuffer)
300   {
301     DALI_LOG_ERROR("Pixel buffer create to fail [%p]\n", this);
302     return;
303   }
304
305   mTvgCanvas->target(reinterpret_cast<uint32_t*>(pBuffer), size.width, size.width, size.height, tvg::SwCanvas::ABGR8888);
306 #endif
307 }
308
309 #ifdef THORVG_SUPPORT
310 void CanvasRendererTizen::PushDrawableToGroup(Dali::CanvasRenderer::Drawable& drawable, tvg::Scene* parent)
311 {
312   Internal::Adaptor::Drawable& drawableImpl        = Dali::GetImplementation(drawable);
313   tvg::Paint*                  tvgDuplicatedObject = static_cast<tvg::Paint*>(drawableImpl.GetObject())->duplicate();
314   if(!tvgDuplicatedObject)
315   {
316     DALI_LOG_ERROR("Invalid drawable object [%p]\n", this);
317     return;
318   }
319   Drawable::Types type = drawableImpl.GetType();
320
321   if(type == Drawable::Types::DRAWABLE_GROUP)
322   {
323     Dali::CanvasRenderer::DrawableGroup& group             = static_cast<Dali::CanvasRenderer::DrawableGroup&>(drawable);
324     Internal::Adaptor::DrawableGroup&    drawableGroupImpl = Dali::GetImplementation(group);
325     DrawableGroup::DrawableVector        drawables         = drawableGroupImpl.GetDrawables();
326     for(auto& it : drawables)
327     {
328       PushDrawableToGroup(it, static_cast<tvg::Scene*>(tvgDuplicatedObject));
329     }
330   }
331
332   Dali::CanvasRenderer::Drawable compositeDrawable = drawableImpl.GetCompositionDrawable();
333   if(DALI_UNLIKELY(compositeDrawable))
334   {
335     Internal::Adaptor::Drawable& compositeDrawableImpl = Dali::GetImplementation(compositeDrawable);
336     tvg::Paint*                  tvgCompositeObject    = static_cast<tvg::Paint*>(compositeDrawableImpl.GetObject());
337     if(tvgCompositeObject)
338     {
339       tvg::Paint*     tvgDuplicatedCompositeObject = tvgCompositeObject->duplicate();
340       Drawable::Types type                         = compositeDrawableImpl.GetType();
341
342       if(type == Drawable::Types::DRAWABLE_GROUP)
343       {
344         Dali::CanvasRenderer::DrawableGroup& compositeGroup             = static_cast<Dali::CanvasRenderer::DrawableGroup&>(compositeDrawable);
345         Internal::Adaptor::DrawableGroup&    compositeDrawableGroupImpl = Dali::GetImplementation(compositeGroup);
346         DrawableGroup::DrawableVector        compositeDrawables         = compositeDrawableGroupImpl.GetDrawables();
347         for(auto& it : compositeDrawables)
348         {
349           PushDrawableToGroup(it, static_cast<tvg::Scene*>(tvgDuplicatedCompositeObject));
350         }
351       }
352
353       if(tvgDuplicatedObject->composite(std::move(std::unique_ptr<tvg::Paint>(tvgDuplicatedCompositeObject)), static_cast<tvg::CompositeMethod>(drawableImpl.GetCompositionType())) != tvg::Result::Success)
354       {
355         DALI_LOG_ERROR("Tvg composite fail [%p]\n", this);
356         return;
357       }
358     }
359   }
360
361   if(parent->push(std::move(std::unique_ptr<tvg::Paint>(tvgDuplicatedObject))) != tvg::Result::Success)
362   {
363     DALI_LOG_ERROR("Tvg push fail [%p]\n", this);
364     return;
365   }
366 }
367 #endif
368
369 } // namespace Adaptor
370
371 } // namespace Internal
372
373 } // namespace Dali