dali/internal/imaging/tizen/native-image-source-impl-tizen.h

   1 #ifndef DALI_INTERNAL_NATIVE_IMAGE_SOURCE_IMPL_TIZEN_H
   2 #define DALI_INTERNAL_NATIVE_IMAGE_SOURCE_IMPL_TIZEN_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/devel-api/threading/mutex.h>
  23 #include <dali/public-api/common/dali-vector.h>
  24 #include <tbm_surface.h>
  25 #include <memory>
  26
  27 // INTERNAL INCLUDES
  28 #include <dali/internal/imaging/common/native-image-source-impl.h>
  29 #include <dali/public-api/adaptor-framework/native-image-source.h>
  30
  31 namespace Dali
  32 {
  33 namespace Internal
  34 {
  35 namespace Adaptor
  36 {
  37 class EglGraphics;
  38 class EglImageExtensions;
  39
  40 /**
  41  * Dali internal NativeImageSource.
  42  */
  43 class NativeImageSourceTizen : public Internal::Adaptor::NativeImageSource
  44 {
  45 public:
  46   /**
  47    * Create a new NativeImageSource internally.
  48    * Depending on hardware the width and height may have to be a power of two.
  49    * @param[in] width The width of the image.
  50    * @param[in] height The height of the image.
  51    * @param[in] depth color depth of the image.
  52    * @param[in] nativeImageSource contains tbm_surface_h or is empty
  53    * @return A smart-pointer to a newly allocated image.
  54    */
  55   static NativeImageSourceTizen* New(uint32_t                            width,
  56                                      uint32_t                            height,
  57                                      Dali::NativeImageSource::ColorDepth depth,
  58                                      Any                                 nativeImageSource);
  59
  60   /**
  61    * @copydoc Dali::NativeImageSource::GetNativeImageSource()
  62    */
  63   Any GetNativeImageSource() const override;
  64
  65   /**
  66    * @copydoc Dali::NativeImageSource::GetPixels()
  67    */
  68   bool GetPixels(std::vector<unsigned char>& pixbuf, uint32_t& width, uint32_t& height, Pixel::Format& pixelFormat) const override;
  69
  70   /**
  71    * @copydoc Dali::NativeImageSource::SetSource( Any source )
  72    */
  73   void SetSource(Any source) override;
  74
  75   /**
  76    * @copydoc Dali::NativeImageSource::IsColorDepthSupported( ColorDepth colorDepth )
  77    */
  78   bool IsColorDepthSupported(Dali::NativeImageSource::ColorDepth colorDepth) override;
  79
  80   /**
  81    * destructor
  82    */
  83   ~NativeImageSourceTizen() override;
  84
  85   /**
  86    * @copydoc Dali::NativeImageSource::CreateResource()
  87    */
  88   bool CreateResource() override;
  89
  90   /**
  91    * @copydoc Dali::NativeImageSource::DestroyResource()
  92    */
  93   void DestroyResource() override;
  94
  95   /**
  96    * @copydoc Dali::NativeImageSource::TargetTexture()
  97    */
  98   uint32_t TargetTexture() override;
  99
 100   /**
 101    * @copydoc Dali::NativeImageSource::PrepareTexture()
 102    */
 103   void PrepareTexture() override;
 104
 105   /**
 106    * @copydoc Dali::NativeImageSource::GetWidth()
 107    */
 108   uint32_t GetWidth() const override
 109   {
 110     return mWidth;
 111   }
 112
 113   /**
 114    * @copydoc Dali::NativeImageSource::GetHeight()
 115    */
 116   uint32_t GetHeight() const override
 117   {
 118     return mHeight;
 119   }
 120
 121   /**
 122    * @copydoc Dali::NativeImageSource::RequiresBlending()
 123    */
 124   bool RequiresBlending() const override
 125   {
 126     return mBlendingRequired;
 127   }
 128
 129   /**
 130    * @copydoc Dali::NativeImageInterface::ApplyNativeFragmentShader(std::string& shader)
 131    */
 132   bool ApplyNativeFragmentShader(std::string& shader) override;
 133
 134   /**
 135    * @copydoc Dali::NativeImageInterface::GetCustomSamplerTypename()
 136    */
 137   const char* GetCustomSamplerTypename() const override;
 138
 139   /**
 140    * @copydoc Dali::NativeImageInterface::GetTextureTarget()
 141    */
 142   int GetTextureTarget() const override;
 143
 144   /**
 145    * @copydoc Dali::NativeImageInterface::GetNativeImageHandle()
 146    */
 147   Any GetNativeImageHandle() const override;
 148
 149   /**
 150    * @copydoc Dali::NativeImageInterface::SourceChanged()
 151    */
 152   bool SourceChanged() const override;
 153
 154   /**
 155    * @copydoc Dali::NativeImageInterface::GetExtension()
 156    */
 157   NativeImageInterface::Extension* GetNativeImageInterfaceExtension() override
 158   {
 159     return nullptr;
 160   }
 161
 162   /**
 163    * @copydoc Dali::Internal::Adaptor::NativeImageSource::AcquireBuffer()
 164    */
 165   uint8_t* AcquireBuffer(uint16_t& width, uint16_t& height, uint16_t& stride) override;
 166
 167   /**
 168    * @copydoc Dali::Internal::Adaptor::NativeImageSource::ReleaseBuffer()
 169    */
 170   bool ReleaseBuffer() override;
 171
 172   /**
 173    * @copydoc Dali::NativeImageSource::SetResourceDestructionCallback()
 174    */
 175   void SetResourceDestructionCallback(EventThreadCallback* callback) override;
 176
 177 private:
 178   /**
 179    * Private constructor; @see NativeImageSource::New()
 180    * @param[in] width The width of the image.
 181    * @param[in] height The height of the image.
 182    * @param[in] colour depth of the image.
 183    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
 184    */
 185   NativeImageSourceTizen(uint32_t                            width,
 186                          unsigned int                        height,
 187                          Dali::NativeImageSource::ColorDepth depth,
 188                          Any                                 nativeImageSource);
 189
 190   void Initialize();
 191
 192   tbm_surface_h GetSurfaceFromAny(Any source) const;
 193
 194   bool CheckBlending(tbm_format format);
 195
 196   void DestroySurface();
 197
 198 private:
 199   uint32_t                             mWidth;                        ///< image width
 200   uint32_t                             mHeight;                       ///< image height
 201   bool                                 mOwnTbmSurface;                ///< Whether we created pixmap or not
 202   tbm_surface_h                        mTbmSurface;
 203   tbm_format                           mTbmFormat;
 204   bool                                 mBlendingRequired;             ///< Whether blending is required
 205   Dali::NativeImageSource::ColorDepth  mColorDepth;                   ///< color depth of image
 206   void*                                mEglImageKHR;                  ///< From EGL extension
 207   EglGraphics*                         mEglGraphics;                  ///< EGL Graphics
 208   EglImageExtensions*                  mEglImageExtensions;           ///< The EGL Image Extensions
 209   bool                                 mSetSource;
 210   mutable Dali::Mutex                  mMutex;
 211   bool                                 mIsBufferAcquired;             ///< Whether AcquireBuffer is called
 212   std::unique_ptr<EventThreadCallback> mResourceDestructionCallback;  ///< The Resource Destruction Callback
 213 };
 214
 215 } // namespace Adaptor
 216
 217 } // namespace Internal
 218
 219 } // namespace Dali
 220
 221 #endif // DALI_INTERNAL_NATIVE_IMAGE_SOURCE_IMPL_TIZEN_H