dali/internal/event/rendering/texture-set-impl.h

   1 #ifndef DALI_INTERNAL_TEXTURE_SET_H
   2 #define DALI_INTERNAL_TEXTURE_SET_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 // 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/devel-api/rendering/texture-set.h> // Dali::TextureSet
  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/common/property-buffer-impl.h> // Dali::Internal::PropertyBuffer
  32 #include <dali/internal/event/rendering/sampler-impl.h> // Dali::Internal::Sampler
  33 #include <dali/internal/event/rendering/shader-impl.h> // Dali::Internal::Shader
  34
  35 namespace Dali
  36 {
  37 namespace Internal
  38 {
  39 namespace SceneGraph
  40 {
  41 class TextureSet;
  42 }
  43
  44
  45 class TextureSet;
  46 typedef IntrusivePtr<TextureSet> TextureSetPtr;
  47
  48 /**
  49  * TextureSet is an object that holds all the textures used by a renderer
  50  */
  51 class TextureSet : public BaseObject, public Connectable
  52 {
  53 public:
  54
  55   /**
  56    * @copydoc Dali::TextureSet::New()
  57    */
  58   static TextureSetPtr New();
  59
  60   /**
  61    * @copydoc Dali::TextureSet::SetImage()
  62    */
  63   void SetImage( size_t index, ImagePtr image );
  64
  65   /**
  66    * @copydoc Dali::TextureSet::GetImage()
  67    */
  68   Image* GetImage( size_t index ) const;
  69
  70   /**
  71    * @copydoc Dali::TextureSet::SetSampler()
  72    */
  73   void SetSampler( size_t index, SamplerPtr sampler );
  74
  75   /**
  76    * @copydoc Dali::TextureSet::GetSampler()
  77    */
  78   Sampler* GetSampler( size_t index ) const;
  79
  80   /**
  81    * @copydoc Dali::TextureSet::GetTextureCount()
  82    */
  83   size_t GetTextureCount() const;
  84
  85  /**
  86    * @brief Get the TextureSet scene object
  87    *
  88    * @return the texture set scene object
  89    */
  90   const SceneGraph::TextureSet* GetTextureSetSceneObject() const;
  91
  92 public: // Functions from Connectable
  93   /**
  94    * @copydoc Dali::Internal::Connectable::OnStage()
  95    */
  96   virtual bool OnStage() const;
  97
  98   /**
  99    * @copydoc Dali::Internal::Connectable::Connect()
 100    */
 101   virtual void Connect();
 102
 103   /**
 104    * @copydoc Dali::Internal::Connectable::Disconnect()
 105    */
 106   virtual void Disconnect();
 107
 108 private: // implementation
 109
 110   struct Texture
 111   {
 112     Texture()
 113     :image(NULL),
 114      sampler( NULL )
 115     {}
 116
 117     ImagePtr    image;
 118     SamplerPtr  sampler;
 119   };
 120
 121   TextureSet();
 122
 123   /**
 124    * Second stage initialization
 125    */
 126   void Initialize();
 127
 128 protected:
 129   /**
 130    * A reference counted object may only be deleted by calling Unreference()
 131    */
 132   virtual ~TextureSet();
 133
 134 private: // unimplemented methods
 135   TextureSet( const TextureSet& );
 136   TextureSet& operator=( const TextureSet& );
 137
 138 private: // Data
 139   EventThreadServices& mEventThreadServices;    ///<Used to send messages to the update thread
 140   SceneGraph::TextureSet* mSceneObject;
 141   std::vector<Texture> mTextures;
 142   bool mOnStage;
 143
 144 };
 145
 146 } // namespace Internal
 147
 148 // Helpers for public-api forwarding methods
 149 inline Internal::TextureSet& GetImplementation( Dali::TextureSet& handle )
 150 {
 151   DALI_ASSERT_ALWAYS(handle && "TextureSet handle is empty");
 152
 153   BaseObject& object = handle.GetBaseObject();
 154
 155   return static_cast<Internal::TextureSet&>(object);
 156 }
 157
 158 inline const Internal::TextureSet& GetImplementation( const Dali::TextureSet& handle )
 159 {
 160   DALI_ASSERT_ALWAYS(handle && "TextureSet handle is empty");
 161
 162   const BaseObject& object = handle.GetBaseObject();
 163
 164   return static_cast<const Internal::TextureSet&>(object);
 165 }
 166
 167 } // namespace Dali
 168
 169 #endif // DALI_INTERNAL_TEXTURE_SET_H