[5.0] Add IsPositionOrSizeCurrentlyAnimating Actor devel API.
[platform/core/uifw/dali-core.git] / dali / internal / event / rendering / renderer-impl.h
1 #ifndef DALI_INTERNAL_RENDERER_H
2 #define DALI_INTERNAL_RENDERER_H
3
4 /*
5  * Copyright (c) 2018 Samsung Electronics Co., Ltd.
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  */
20
21 // INTERNAL INCLUDES
22 #include <dali/public-api/common/dali-common.h> // DALI_ASSERT_ALWAYS
23 #include <dali/public-api/common/intrusive-ptr.h> // Dali::IntrusivePtr
24 #include <dali/public-api/rendering/renderer.h> // Dali::Renderer
25 #include <dali/internal/common/blending-options.h>
26 #include <dali/internal/event/common/object-connector.h> // Dali::Internal::ObjectConnector
27 #include <dali/internal/event/common/object-impl.h> // Dali::Internal::Object
28 #include <dali/internal/event/rendering/texture-set-impl.h> // Dali::Internal::TextureSet
29 #include <dali/internal/event/rendering/geometry-impl.h> // Dali::Internal::Geometry
30 #include <dali/internal/render/renderers/render-renderer.h> // Dali::Render::Renderer::StencilParameters
31
32 namespace Dali
33 {
34 namespace Internal
35 {
36 namespace SceneGraph
37 {
38 class Renderer;
39 }
40
41 class Renderer;
42 typedef IntrusivePtr<Renderer> RendererPtr;
43
44 /**
45  * Renderer is an object that can be used to show content by combining a Geometry with a shader and textures.
46  */
47 class Renderer : public Object
48 {
49 public:
50
51   /**
52    * Create a new Renderer.
53    * @return A smart-pointer to the newly allocated Renderer.
54    */
55   static RendererPtr New();
56
57   /**
58    * @copydoc Dali::Renderer::SetGeometry()
59    */
60   void SetGeometry( Geometry& geometry );
61
62   /**
63    * @copydoc Dali::Renderer::GetGeometry()
64    */
65   Geometry* GetGeometry() const;
66
67   /**
68    * @copydoc Dali::Renderer::SetTextures()
69    */
70   void SetTextures( TextureSet& textureSet );
71
72   /**
73    * @copydoc Dali::Renderer::GetTextures()
74    */
75   TextureSet* GetTextures() const;
76
77   /**
78    * @copydoc Dali::Renderer::SetShader()
79    */
80   void SetShader( Shader& shader );
81
82   /**
83    * @copydoc Dali::Renderer::GetShader()
84    */
85   Shader* GetShader() const;
86
87   /**
88    * @copydoc Dali::Renderer::SetDepthIndex()
89    */
90   void SetDepthIndex( int depthIndex );
91
92   /**
93    * @copydoc Dali::Renderer::GetDepthIndex()
94    */
95   int GetDepthIndex() const;
96
97    /**
98     * @copydoc Dali::Renderer::SetBlendMode()
99     */
100    void SetBlendMode( BlendMode::Type mode );
101
102    /**
103     * @copydoc Dali::Renderer::GetBlendMode()
104     */
105    BlendMode::Type GetBlendMode() const;
106
107    /**
108     * @copydoc Dali::Renderer::SetBlendFunc()
109     */
110    void SetBlendFunc( BlendFactor::Type srcFactorRgba, BlendFactor::Type destFactorRgba );
111
112    /**
113     * @copydoc Dali::Renderer::SetBlendFunc()
114     */
115    void SetBlendFunc( BlendFactor::Type srcFactorRgb,   BlendFactor::Type destFactorRgb,
116                       BlendFactor::Type srcFactorAlpha, BlendFactor::Type destFactorAlpha );
117
118    /**
119     * @copydoc Dali::Renderer::GetBlendFunc()
120     */
121    void GetBlendFunc( BlendFactor::Type& srcFactorRgb,   BlendFactor::Type& destFactorRgb,
122                       BlendFactor::Type& srcFactorAlpha, BlendFactor::Type& destFactorAlpha ) const;
123
124    /**
125     * @copydoc Dali::Renderer::SetBlendEquation()
126     */
127    void SetBlendEquation( BlendEquation::Type equationRgba );
128
129    /**
130     * @copydoc Dali::Renderer::SetBlendEquation()
131     */
132    void SetBlendEquation( BlendEquation::Type equationRgb, BlendEquation::Type equationAlpha );
133
134    /**
135     * @copydoc Dali::Renderer::GetBlendEquation()
136     */
137    void GetBlendEquation( BlendEquation::Type& equationRgb, BlendEquation::Type& equationAlpha ) const;
138
139    /**
140     * @copydoc Dali::Renderer::SetIndexedDrawFirstElement
141     */
142    void SetIndexedDrawFirstElement( uint32_t firstElement );
143
144    /**
145     * @copydoc Dali::Renderer::SetIndexedDrawElementsCount
146     */
147    void SetIndexedDrawElementsCount( uint32_t elementsCount );
148
149    /**
150     * @brief Set whether the Pre-multiplied Alpha Blending is required
151     *
152     * @param[in] preMultipled whether alpha is pre-multiplied.
153     */
154    void EnablePreMultipliedAlpha( bool preMultipled );
155
156    /**
157     * @brief Query whether alpha is pre-multiplied.
158     *
159     * @return True is alpha is pre-multiplied, false otherwise.
160     */
161    bool IsPreMultipliedAlphaEnabled() const;
162
163    /**
164     * @brief Get the scene graph object
165     *
166     * @return the scene object
167     */
168    SceneGraph::Renderer* GetRendererSceneObject();
169
170 public: // Default property extensions from Object
171
172   /**
173    * @copydoc Dali::Internal::Object::SetDefaultProperty()
174    */
175   virtual void SetDefaultProperty(Property::Index index, const Property::Value& propertyValue);
176
177   /**
178    * @copydoc Dali::Internal::Object::SetSceneGraphProperty()
179    */
180   virtual void SetSceneGraphProperty( Property::Index index, const PropertyMetadata& entry, const Property::Value& value );
181
182   /**
183    * @copydoc Dali::Internal::Object::GetDefaultProperty()
184    */
185   virtual Property::Value GetDefaultProperty( Property::Index index ) const;
186
187   /**
188    * @copydoc Dali::Internal::Object::GetDefaultPropertyCurrentValue()
189    */
190   virtual Property::Value GetDefaultPropertyCurrentValue( Property::Index index ) const;
191
192    /**
193     * @copydoc Dali::Internal::Object::OnNotifyDefaultPropertyAnimation()
194     */
195    virtual void OnNotifyDefaultPropertyAnimation( Animation& animation, Property::Index index, const Property::Value& value, Animation::Type animationType, bool animationStarted );
196
197   /**
198    * @copydoc Dali::Internal::Object::GetPropertyOwner()
199    */
200   virtual const SceneGraph::PropertyOwner* GetPropertyOwner() const;
201
202   /**
203    * @copydoc Dali::Internal::Object::GetSceneObject()
204    */
205   virtual const SceneGraph::PropertyOwner* GetSceneObject() const;
206
207   /**
208    * @copydoc Dali::Internal::Object::GetSceneObjectAnimatableProperty()
209    */
210   virtual const SceneGraph::PropertyBase* GetSceneObjectAnimatableProperty( Property::Index index ) const;
211
212   /**
213    * @copydoc Dali::Internal::Object::GetSceneObjectInputProperty()
214    */
215   virtual const PropertyInputImpl* GetSceneObjectInputProperty( Property::Index index ) const;
216
217   /**
218    * @copydoc Dali::Internal::Object::GetPropertyComponentIndex()
219    */
220   virtual int GetPropertyComponentIndex( Property::Index index ) const;
221
222 private: // implementation
223
224   /**
225    * @brief Default constructor.
226    */
227   Renderer();
228
229   /**
230    * @brief Initializes the Renderer.
231    */
232   void Initialize();
233
234   /**
235    * @brief Sets the blend color.
236    * @param[in] blendColor The blend color to set.
237    */
238   void SetBlendColor( const Vector4& blendColor );
239
240   /**
241    * @brief Retrieves the blend-color.
242    * @return A const reference to the blend-color
243    */
244   const Vector4& GetBlendColor() const;
245
246   /**
247    * @brief Retrieves the cached event side value of a default property.
248    * @param[in]  index  The index of the property
249    * @param[out] value  Is set with the cached value of the property if found.
250    * @return True if value set, false otherwise.
251    */
252   bool GetCachedPropertyValue( Property::Index index, Property::Value& value ) const;
253
254   /**
255    * @brief Retrieves the current value of a default property from the scene-graph.
256    * @param[in]  index  The index of the property
257    * @param[out] value  Is set with the current scene-graph value of the property
258    * @return True if value set, false otherwise.
259    */
260   bool GetCurrentPropertyValue( Property::Index index, Property::Value& value  ) const;
261
262 protected:
263   /**
264    * A reference counted object may only be deleted by calling Unreference()
265    */
266   virtual ~Renderer();
267
268 private: // unimplemented methods
269   Renderer( const Renderer& );
270   Renderer& operator=( const Renderer& );
271
272 private: // data
273   SceneGraph::Renderer*               mSceneObject;
274   GeometryPtr                         mGeometry;                     ///< Connector that holds the geometry used by this renderer
275   TextureSetPtr                       mTextureSet;                   ///< Connector that holds the texture set used by this renderer
276   ShaderPtr                           mShader;                       ///< Connector that holds the shader used by this renderer
277
278   int                                 mDepthIndex;
279
280   uint32_t                              mIndexedDrawFirstElement;      ///< Offset of first element to draw from bound index buffer
281   uint32_t                              mIndexedDrawElementCount;      ///< Number of elements to draw
282
283   Render::Renderer::StencilParameters mStencilParameters;            ///< Struct containing all stencil related options
284   BlendingOptions                     mBlendingOptions;              ///< Local copy of blending options bitmask
285
286   float                               mOpacity;                      ///< Local copy of the opacity
287   DepthFunction::Type                 mDepthFunction:4;              ///< Local copy of the depth function
288   FaceCullingMode::Type               mFaceCullingMode:3;            ///< Local copy of the mode of face culling
289   BlendMode::Type                     mBlendMode:3;                  ///< Local copy of the mode of blending
290   DepthWriteMode::Type                mDepthWriteMode:3;             ///< Local copy of the depth write mode
291   DepthTestMode::Type                 mDepthTestMode:3;              ///< Local copy of the depth test mode
292   bool                                mPremultipledAlphaEnabled:1;   ///< Flag indicating whether the Pre-multiplied Alpha Blending is required
293 };
294
295 } // namespace Internal
296
297 // Helpers for public-api forwarding methods
298 inline Internal::Renderer& GetImplementation( Dali::Renderer& handle )
299 {
300   DALI_ASSERT_ALWAYS(handle && "Renderer handle is empty");
301
302   BaseObject& object = handle.GetBaseObject();
303
304   return static_cast<Internal::Renderer&>(object);
305 }
306
307 inline const Internal::Renderer& GetImplementation( const Dali::Renderer& handle )
308 {
309   DALI_ASSERT_ALWAYS(handle && "Renderer handle is empty");
310
311   const BaseObject& object = handle.GetBaseObject();
312
313   return static_cast<const Internal::Renderer&>(object);
314 }
315
316 } // namespace Dali
317
318 #endif // DALI_INTERNAL_RENDERER_H