virtual ~ExternalTexture()=default
void(* glTexImage2DProc)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *data)
int64_t texture_id() const
virtual bool PopulateTexture(size_t width, size_t height, FlutterOpenGLTexture *opengl_texture)=0