bool PopulateTexture(size_t width, size_t height, FlutterOpenGLTexture *opengl_texture) override
const typedef FlutterDesktopPixelBuffer *(* FlutterDesktopPixelBufferTextureCallback)(size_t width, size_t height, void *user_data)
ExternalTexturePixelBuffer(const FlutterDesktopPixelBufferTextureCallback texture_callback, void *user_data, std::shared_ptr< egl::ProcTable > gl)
virtual ~ExternalTexturePixelBuffer()
FlutterDesktopPixelBufferTextureCallback texture_callback