+ PixelStore pstore = PixelStore::from_image(img);
+ BindRestore _bind_ps(pstore);
+
+ image(0, fmt, UNSIGNED_BYTE, from_buffer ? 0 : img.get_data());
+}
+
+unsigned Texture2D::get_n_levels() const
+{
+ unsigned n = 0;
+ for(unsigned s=max(width, height); s; s>>=1, ++n) ;
+ return n;
+}
+
+void Texture2D::get_level_size(unsigned level, unsigned &w, unsigned &h) const
+{
+ w >>= level;
+ h >>= level;
+
+ if(!w && h)
+ w = 1;
+ else if(!h && w)
+ h = 1;
+}
+
+Resource::AsyncLoader *Texture2D::load(IO::Seekable &io, const Resources *res)
+{
+ AsyncLoader *ldr = new AsyncLoader(*this, io);
+ if(res)
+ ldr->set_srgb_conversion(res->get_srgb_conversion());
+ return ldr;
+}
+
+UInt64 Texture2D::get_data_size() const
+{
+ return id ? width*height*get_pixel_size(ifmt) : 0;
+}
+
+void Texture2D::unload()
+{
+ glDeleteTextures(1, &id);
+ id = 0;
+ // TODO check which params actually need refreshing
+ dirty_params = -1;
+}
+
+
+Texture2D::Loader::Loader(Texture2D &t):
+ DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>(t)
+{
+ init();
+}
+
+Texture2D::Loader::Loader(Texture2D &t, Collection &c):
+ DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>(t, c)
+{
+ init();
+}
+
+void Texture2D::Loader::init()
+{
+ add("raw_data", &Loader::raw_data);
+ add("storage", &Loader::storage);
+}
+
+void Texture2D::Loader::raw_data(const string &data)
+{
+ obj.image(0, get_base_pixelformat(obj.ifmt), UNSIGNED_BYTE, data.data());
+}
+
+void Texture2D::Loader::storage(PixelFormat fmt, unsigned w, unsigned h)
+{
+ if(srgb)
+ fmt = get_srgb_pixelformat(fmt);
+ obj.storage(fmt, w, h);
+}