Merge "Remove images from TextureSet" into devel/master
[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) 2016 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::SetBlendColor()
141     */
142    void SetBlendColor( const Vector4& color );
143
144    /**
145     * @copydoc Dali::Renderer::GetBlendColor()
146     */
147    Vector4 GetBlendColor() const;
148
149    /**
150     * @copydoc Dali::Renderer::SetIndexedDrawFirstElement
151     */
152    void SetIndexedDrawFirstElement( size_t firstElement );
153
154    /**
155     * @copydoc Dali::Renderer::SetIndexedDrawElementsCount
156     */
157    void SetIndexedDrawElementsCount( size_t elementsCount );
158
159    /**
160     * @brief Set whether the Pre-multiplied Alpha Blending is required
161     *
162     * @param[in] preMultipled whether alpha is pre-multiplied.
163     */
164    void EnablePreMultipliedAlpha( bool preMultipled );
165
166    /**
167     * @brief Query whether alpha is pre-multiplied.
168     *
169     * @return True is alpha is pre-multiplied, false otherwise.
170     */
171    bool IsPreMultipliedAlphaEnabled() const;
172
173    /**
174     * Returns state of batching mode
175     * @return batching mode state ( true if enabled )
176     */
177    bool IsBatchingEnabled() const;
178
179    /**
180     * @brief Get the scene graph object
181     *
182     * @return the scene object
183     */
184    SceneGraph::Renderer* GetRendererSceneObject();
185
186 public: // Default property extensions from Object
187
188   /**
189    * @copydoc Dali::Internal::Object::GetDefaultPropertyCount()
190    */
191   virtual unsigned int GetDefaultPropertyCount() const;
192
193   /**
194    * @copydoc Dali::Internal::Object::GetDefaultPropertyIndices()
195    */
196   virtual void GetDefaultPropertyIndices( Property::IndexContainer& indices ) const;
197
198   /**
199    * @copydoc Dali::Internal::Object::GetDefaultPropertyName()
200    */
201   virtual const char* GetDefaultPropertyName(Property::Index index) const;
202
203   /**
204    * @copydoc Dali::Internal::Object::GetDefaultPropertyIndex()
205    */
206   virtual Property::Index GetDefaultPropertyIndex(const std::string& name) const;
207
208   /**
209    * @copydoc Dali::Internal::Object::IsDefaultPropertyWritable()
210    */
211   virtual bool IsDefaultPropertyWritable(Property::Index index) const;
212
213   /**
214    * @copydoc Dali::Internal::Object::IsDefaultPropertyAnimatable()
215    */
216   virtual bool IsDefaultPropertyAnimatable(Property::Index index) const;
217
218   /**
219    * @copydoc Dali::Internal::Object::IsDefaultPropertyAConstraintInput()
220    */
221   virtual bool IsDefaultPropertyAConstraintInput( Property::Index index ) const;
222
223   /**
224    * @copydoc Dali::Internal::Object::GetDefaultPropertyType()
225    */
226   virtual Property::Type GetDefaultPropertyType(Property::Index index) const;
227
228   /**
229    * @copydoc Dali::Internal::Object::SetDefaultProperty()
230    */
231   virtual void SetDefaultProperty(Property::Index index, const Property::Value& propertyValue);
232
233   /**
234    * @copydoc Dali::Internal::Object::SetSceneGraphProperty()
235    */
236   virtual void SetSceneGraphProperty( Property::Index index, const PropertyMetadata& entry, const Property::Value& value );
237
238   /**
239    * @copydoc Dali::Internal::Object::GetDefaultProperty()
240    */
241   virtual Property::Value GetDefaultProperty( Property::Index index ) const;
242
243   /**
244    * @copydoc Dali::Internal::Object::GetPropertyOwner()
245    */
246   virtual const SceneGraph::PropertyOwner* GetPropertyOwner() const;
247
248   /**
249    * @copydoc Dali::Internal::Object::GetSceneObject()
250    */
251   virtual const SceneGraph::PropertyOwner* GetSceneObject() const;
252
253   /**
254    * @copydoc Dali::Internal::Object::GetSceneObjectAnimatableProperty()
255    */
256   virtual const SceneGraph::PropertyBase* GetSceneObjectAnimatableProperty( Property::Index index ) const;
257
258   /**
259    * @copydoc Dali::Internal::Object::GetSceneObjectInputProperty()
260    */
261   virtual const PropertyInputImpl* GetSceneObjectInputProperty( Property::Index index ) const;
262
263   /**
264    * @copydoc Dali::Internal::Object::GetPropertyComponentIndex()
265    */
266   virtual int GetPropertyComponentIndex( Property::Index index ) const;
267
268 private: // implementation
269   Renderer();
270
271   void Initialize();
272
273 protected:
274   /**
275    * A reference counted object may only be deleted by calling Unreference()
276    */
277   virtual ~Renderer();
278
279 private: // unimplemented methods
280   Renderer( const Renderer& );
281   Renderer& operator=( const Renderer& );
282
283 private: // data
284   SceneGraph::Renderer* mSceneObject;
285   Vector4* mBlendColor;               ///< Local copy of blend color, pointer only as its rarely used
286   GeometryPtr mGeometry;              ///< Connector that holds the geometry used by this renderer
287   TextureSetPtr mTextureSet;          ///< Connector that holds the texture set used by this renderer
288   ShaderPtr mShader;                  ///< Connector that holds the shader used by this renderer
289
290   int mDepthIndex;
291
292   size_t mIndexedDrawFirstElement;                            ///< Offset of first element to draw from bound index buffer
293   size_t mIndexedDrawElementCount;                            ///< Number of elements to draw
294
295   Render::Renderer::StencilParameters mStencilParameters;     ///< Struct containing all stencil related options
296   BlendingOptions              mBlendingOptions;              ///< Local copy of blending options bitmask
297
298   DepthFunction::Type          mDepthFunction:3;              ///< Local copy of the depth function
299   FaceCullingMode::Type        mFaceCullingMode:2;            ///< Local copy of the mode of face culling
300   BlendMode::Type              mBlendMode:2;                  ///< Local copy of the mode of blending
301   DepthWriteMode::Type         mDepthWriteMode:2;             ///< Local copy of the depth write mode
302   DepthTestMode::Type          mDepthTestMode:2;              ///< Local copy of the depth test mode
303   bool                         mPremultipledAlphaEnabled:1;   ///< Flag indicating whether the Pre-multiplied Alpha Blending is required
304   bool                         mBatchingEnabled : 1;          ///< Flag indicating whether render is batchable or not
305 };
306
307 } // namespace Internal
308
309 // Helpers for public-api forwarding methods
310 inline Internal::Renderer& GetImplementation( Dali::Renderer& handle )
311 {
312   DALI_ASSERT_ALWAYS(handle && "Renderer handle is empty");
313
314   BaseObject& object = handle.GetBaseObject();
315
316   return static_cast<Internal::Renderer&>(object);
317 }
318
319 inline const Internal::Renderer& GetImplementation( const Dali::Renderer& handle )
320 {
321   DALI_ASSERT_ALWAYS(handle && "Renderer handle is empty");
322
323   const BaseObject& object = handle.GetBaseObject();
324
325   return static_cast<const Internal::Renderer&>(object);
326 }
327
328 } // namespace Dali
329
330 #endif // DALI_INTERNAL_RENDERER_H