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

   1 #ifndef DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H
   2 #define DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H
   3
   4 /*
   5  * Copyright (c) 2022 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 <hardware_buffer.h>
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/internal/graphics/common/graphics-interface.h>
  26
  27 #include <dali/public-api/adaptor-framework/native-image-source.h>
  28
  29 #include <dali/internal/imaging/common/native-image-source-impl.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 NativeImageSourceAndroid : 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 either: Android hardware buffer or is empty
  53    * @return A smart-pointer to a newly allocated image.
  54    */
  55   static NativeImageSourceAndroid* New(uint32_t                            width,
  56                                        uint32_t                            height,
  57                                        Dali::NativeImageSource::ColorDepth depth,
  58                                        Any                                 nativeImageSource);
  59   /**
  60    * @copydoc Dali::NativeImageSource::GetNativeImageSource()
  61    */
  62   Any GetNativeImageSource() const override;
  63
  64   /**
  65    * @copydoc Dali::NativeImageSource::GetPixels()
  66    */
  67   bool GetPixels(std::vector<unsigned char>& pixbuf, uint32_t& width, uint32_t& height, Pixel::Format& pixelFormat) const override;
  68
  69   /**
  70    * @copydoc Dali::NativeImageSource::SetSource( Any source )
  71    */
  72   void SetSource(Any source) override;
  73
  74   /**
  75    * @copydoc Dali::NativeImageSource::IsColorDepthSupported( ColorDepth colorDepth )
  76    */
  77   bool IsColorDepthSupported(Dali::NativeImageSource::ColorDepth colorDepth) override;
  78
  79   /**
  80    * destructor
  81    */
  82   ~NativeImageSourceAndroid() override;
  83
  84   /**
  85    * @copydoc Dali::NativeImageSource::CreateResource()
  86    */
  87   bool CreateResource() override;
  88
  89   /**
  90    * @copydoc Dali::NativeImageSource::DestroyResource()
  91    */
  92   void DestroyResource() override;
  93
  94   /**
  95    * @copydoc Dali::NativeImageSource::TargetTexture()
  96    */
  97   uint32_t TargetTexture() override;
  98
  99   /**
 100    * @copydoc Dali::NativeImageSource::PrepareTexture()
 101    */
 102   void PrepareTexture() override;
 103
 104   /**
 105    * @copydoc Dali::NativeImageSource::GetWidth()
 106    */
 107   uint32_t GetWidth() const override
 108   {
 109     return mWidth;
 110   }
 111
 112   /**
 113    * @copydoc Dali::NativeImageSource::GetHeight()
 114    */
 115   uint32_t GetHeight() const override
 116   {
 117     return mHeight;
 118   }
 119
 120   /**
 121    * @copydoc Dali::NativeImageSource::RequiresBlending()
 122    */
 123   bool RequiresBlending() const override
 124   {
 125     return mBlendingRequired;
 126   }
 127
 128   /**
 129    * @copydoc Dali::NativeImageSource::GetTargetTexture()
 130    */
 131   int GetTextureTarget() const override;
 132
 133   /**
 134    * @copydoc Dali::NativeImageSource::ApplyNativeFragmentShader()
 135    */
 136   bool ApplyNativeFragmentShader(std::string& shader) override;
 137
 138   /**
 139    * @copydoc Dali::NativeImageSource::GetCustomSamplerTypename()
 140    */
 141   const char* GetCustomSamplerTypename() const override;
 142
 143   /**
 144    * @copydoc Dali::NativeImageSource::GetNativeImageHandle()
 145    */
 146   Any GetNativeImageHandle() const override
 147   {
 148     return GetNativeImageSource();
 149   }
 150
 151   /**
 152    * @copydoc Dali::NativeImageSource::SourceChanged()
 153    */
 154   bool SourceChanged() const override
 155   {
 156     return false;
 157   }
 158
 159   /**
 160    * @copydoc Dali::NativeImageInterface::GetExtension()
 161    */
 162   NativeImageInterface::Extension* GetNativeImageInterfaceExtension() override
 163   {
 164     return nullptr;
 165   }
 166
 167   /**
 168    * @copydoc Dali::Internal::Adaptor::NativeImageSource::AcquireBuffer()
 169    */
 170   uint8_t* AcquireBuffer(uint16_t& width, uint16_t& height, uint16_t& stride) override;
 171
 172   /**
 173    * @copydoc Dali::Internal::Adaptor::NativeImageSource::ReleaseBuffer()
 174    */
 175   bool ReleaseBuffer() override;
 176
 177   /**
 178    * @copydoc Dali::NativeImageSource::SetResourceDestructionCallback()
 179    */
 180   void SetResourceDestructionCallback(EventThreadCallback* callback) override;
 181
 182 private:
 183   /**
 184    * Private constructor; @see NativeImageSource::New()
 185    * @param[in] width The width of the image.
 186    * @param[in] height The height of the image.
 187    * @param[in] colour depth of the image.
 188    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
 189    */
 190   NativeImageSourceAndroid(uint32_t                            width,
 191                            uint32_t                            height,
 192                            Dali::NativeImageSource::ColorDepth depth,
 193                            Any                                 nativeImageSource);
 194
 195   /**
 196    * 2nd phase construction.
 197    */
 198   void Initialize();
 199
 200   /**
 201    * Gets the pixmap from the Any parameter
 202    * @param pixmap contains either: pixmap of type Android hardware buffer or empty
 203    * @return pixmap pixmap
 204    */
 205   void* GetPixmapFromAny(Any pixmap) const;
 206
 207   /**
 208    * Given an existing pixmap, the function uses Android hardware buffer API to find
 209    * the width, heigth and depth of that pixmap.
 210    */
 211   void GetPixmapDetails();
 212
 213 private:
 214   uint32_t                             mWidth;                       ///< image width
 215   uint32_t                             mHeight;                      ///< image heights
 216   bool                                 mOwnPixmap;                   ///< Whether we created pixmap or not
 217   AHardwareBuffer*                     mPixmap;                      ///<
 218   bool                                 mBlendingRequired;            ///< Whether blending is required
 219   Dali::NativeImageSource::ColorDepth  mColorDepth;                  ///< color depth of image
 220   void*                                mEglImageKHR;                 ///< From EGL extension
 221   EglGraphics*                         mEglGraphics;                 ///< EGL Graphics
 222   EglImageExtensions*                  mEglImageExtensions;          ///< The EGL Image Extensions
 223   std::unique_ptr<EventThreadCallback> mResourceDestructionCallback; ///< The Resource Destruction Callback
 224 };
 225
 226 } // namespace Adaptor
 227
 228 } // namespace Internal
 229
 230 } // namespace Dali
 231
 232 #endif // DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H