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

   1 #ifndef DALI_INTERNAL_GEOMETRY_H
   2 #define DALI_INTERNAL_GEOMETRY_H
   3
   4 /*
   5  * Copyright (c) 2021 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/internal/event/common/connectable.h>           // Dali::Internal::Connectable
  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/vertex-buffer-impl.h> // Dali::Internal::VertexBuffer
  29 #include <dali/internal/render/renderers/render-geometry.h>
  30 #include <dali/public-api/common/dali-common.h>   // DALI_ASSERT_ALWAYS
  31 #include <dali/public-api/common/intrusive-ptr.h> // Dali::IntrusivePtr
  32 #include <dali/public-api/rendering/geometry.h>   // Dali::Geometry
  33
  34 namespace Dali
  35 {
  36 namespace Internal
  37 {
  38 namespace SceneGraph
  39 {
  40 class Geometry;
  41 }
  42
  43 class Geometry;
  44 using GeometryPtr = IntrusivePtr<Geometry>;
  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    * Create a new Geometry.
  55    * @return A smart-pointer to the newly allocated Geometry.
  56    */
  57   static GeometryPtr New();
  58
  59   /**
  60    * @copydoc Dali::Geometry::AddVertexBuffer()
  61    */
  62   uint32_t AddVertexBuffer(VertexBuffer& vertexBuffer);
  63
  64   /**
  65    * @copydoc Dali::Geometry::GetNumberOfVertexBuffers()
  66    */
  67   uint32_t GetNumberOfVertexBuffers() const;
  68
  69   /**
  70    * @copydoc Dali::Geometry::RemoveVertexBuffer()
  71    */
  72   void RemoveVertexBuffer(uint32_t index);
  73
  74   /**
  75    * @copydoc Dali::Geometry::SetIndexBuffer()
  76    */
  77   void SetIndexBuffer(const uint16_t* indices, uint32_t count);
  78
  79   /**
  80    * @copydoc Dali::Geometry::SetType()
  81    */
  82   void SetType(Dali::Geometry::Type geometryType);
  83
  84   /**
  85    * @copydoc Dali::Geometry::GetType()
  86    */
  87   Dali::Geometry::Type GetType() const;
  88
  89   /**
  90    * @brief Get the geometry scene object
  91    *
  92    * @return the geometry scene object
  93    */
  94   const Render::Geometry* GetRenderObject() const;
  95
  96 private: // implementation
  97   /**
  98    * Constructor
  99    */
 100   Geometry();
 101
 102   /**
 103    * Second stage initialization of the Geometry
 104    */
 105   void Initialize();
 106
 107 protected:
 108   /**
 109    * A reference counted object may only be deleted by calling Unreference()
 110    */
 111   ~Geometry() override;
 112
 113 private: // unimplemented methods
 114   Geometry(const Geometry&);
 115   Geometry& operator=(const Geometry&);
 116
 117 private:                                     // data
 118   EventThreadServices& mEventThreadServices; ///<Used to send messages to the render thread via update thread
 119   Render::Geometry*    mRenderObject;
 120
 121   std::vector<VertexBufferPtr> mVertexBuffers; ///< Vector of intrusive pointers to vertex buffers
 122   Dali::Geometry::Type         mType;          ///< Geometry type (cached)
 123 };
 124
 125 } // namespace Internal
 126
 127 // Helpers for public-api forwarding methods
 128 inline Internal::Geometry& GetImplementation(Dali::Geometry& handle)
 129 {
 130   DALI_ASSERT_ALWAYS(handle && "Geometry handle is empty");
 131
 132   BaseObject& object = handle.GetBaseObject();
 133
 134   return static_cast<Internal::Geometry&>(object);
 135 }
 136
 137 inline const Internal::Geometry& GetImplementation(const Dali::Geometry& handle)
 138 {
 139   DALI_ASSERT_ALWAYS(handle && "Geometry handle is empty");
 140
 141   const BaseObject& object = handle.GetBaseObject();
 142
 143   return static_cast<const Internal::Geometry&>(object);
 144 }
 145
 146 } // namespace Dali
 147
 148 #endif // DALI_INTERNAL_GEOMETRY_H