dali/internal/event/rendering/geometry-impl.h

   1 #ifndef DALI_INTERNAL_GEOMETRY_H
   2 #define DALI_INTERNAL_GEOMETRY_H
   3
   4 /*
   5  * Copyright (c) 2020 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 // EXTERNAL INCLUDES
  22 #include <dali/public-api/common/vector-wrapper.h> // std::vector
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/public-api/common/dali-common.h> // DALI_ASSERT_ALWAYS
  26 #include <dali/public-api/common/intrusive-ptr.h> // Dali::IntrusivePtr
  27 #include <dali/public-api/rendering/geometry.h> // Dali::Geometry
  28 #include <dali/internal/event/common/connectable.h> // Dali::Internal::Connectable
  29 #include <dali/internal/event/common/object-connector.h> // Dali::Internal::ObjectConnector
  30 #include <dali/internal/event/common/object-impl.h> // Dali::Internal::Object
  31 #include <dali/internal/event/rendering/vertex-buffer-impl.h> // Dali::Internal::VertexBuffer
  32 #include <dali/internal/render/renderers/render-geometry.h>
  33
  34 namespace Dali
  35 {
  36 namespace Internal
  37 {
  38 namespace SceneGraph
  39 {
  40 class Geometry;
  41 }
  42
  43 class Geometry;
  44 typedef IntrusivePtr<Geometry> GeometryPtr;
  45
  46 /**
  47  * Geometry is an object that contains an array of structures of values that
  48  * can be accessed as properties.
  49  */
  50 class Geometry : public BaseObject
  51 {
  52 public:
  53
  54   /**
  55    * Create a new Geometry.
  56    * @return A smart-pointer to the newly allocated Geometry.
  57    */
  58   static GeometryPtr New();
  59
  60   /**
  61    * @copydoc Dali::Geometry::AddVertexBuffer()
  62    */
  63   uint32_t AddVertexBuffer( VertexBuffer& vertexBuffer );
  64
  65   /**
  66    * @copydoc Dali::Geometry::GetNumberOfVertexBuffers()
  67    */
  68   uint32_t GetNumberOfVertexBuffers() const;
  69
  70   /**
  71    * @copydoc Dali::Geometry::RemoveVertexBuffer()
  72    */
  73   void RemoveVertexBuffer( uint32_t index );
  74
  75   /**
  76    * @copydoc Dali::Geometry::SetIndexBuffer()
  77    */
  78   void SetIndexBuffer( const uint16_t* indices, uint32_t count );
  79
  80   /**
  81    * @copydoc Dali::Geometry::SetType()
  82    */
  83   void SetType( Dali::Geometry::Type geometryType );
  84
  85   /**
  86    * @copydoc Dali::Geometry::GetType()
  87    */
  88   Dali::Geometry::Type GetType() const;
  89
  90   /**
  91    * @brief Get the geometry scene object
  92    *
  93    * @return the geometry scene object
  94    */
  95   const Render::Geometry* GetRenderObject() const;
  96
  97 private: // implementation
  98
  99   /**
 100    * Constructor
 101    */
 102   Geometry();
 103
 104   /**
 105    * Second stage initialization of the Geometry
 106    */
 107   void Initialize();
 108
 109 protected:
 110
 111   /**
 112    * A reference counted object may only be deleted by calling Unreference()
 113    */
 114   virtual ~Geometry();
 115
 116 private: // unimplemented methods
 117   Geometry( const Geometry& );
 118   Geometry& operator=( const Geometry& );
 119
 120 private: // data
 121
 122   EventThreadServices& mEventThreadServices;    ///<Used to send messages to the render thread via update thread
 123   Render::Geometry* mRenderObject;
 124
 125   std::vector<VertexBufferPtr> mVertexBuffers; ///< Vector of intrusive pointers to vertex buffers
 126   Dali::Geometry::Type mType;      ///< Geometry type (cached)
 127 };
 128
 129 } // namespace Internal
 130
 131 // Helpers for public-api forwarding methods
 132 inline Internal::Geometry& GetImplementation(Dali::Geometry& handle)
 133 {
 134   DALI_ASSERT_ALWAYS(handle && "Geometry handle is empty");
 135
 136   BaseObject& object = handle.GetBaseObject();
 137
 138   return static_cast<Internal::Geometry&>(object);
 139 }
 140
 141 inline const Internal::Geometry& GetImplementation(const Dali::Geometry& handle)
 142 {
 143   DALI_ASSERT_ALWAYS(handle && "Geometry handle is empty");
 144
 145   const BaseObject& object = handle.GetBaseObject();
 146
 147   return static_cast<const Internal::Geometry&>(object);
 148 }
 149
 150 } // namespace Dali
 151
 152 #endif // DALI_INTERNAL_GEOMETRY_H