+ load_image(fn, 0U);
+}
+
+void Texture::load_image(const string &fn, unsigned lv)
+{
+ Graphics::Image img;
+ img.load_file(fn);
+
+ image(img, lv);
+}
+
+void Texture::image(const Graphics::Image &img, bool)
+{
+ image(img, 0U);
+}
+
+void Texture::bind_to(unsigned i) const
+{
+ if(!id)
+ {
+ if(manager)
+ manager->resource_used(*this);
+ if(!id)
+ {
+ unbind_from(i);
+ return;
+ }
+ }
+
+ TexUnit &unit = TexUnit::get_unit(i);
+ const Texture *cur = unit.get_texture();
+ if(unit.set_texture(this))
+ {
+ if(manager)
+ manager->resource_used(*this);
+
+ if(ARB_direct_state_access)
+ glBindTextureUnit(i, id);
+ else
+ {
+ unit.bind();
+ glBindTexture(target, id);
+ }
+
+ if(!unit.get_sampler() || unit.get_sampler()==&cur->default_sampler)
+ default_sampler.bind_to(i);
+ }
+}
+
+const Texture *Texture::current(unsigned i)
+{
+ return TexUnit::get_unit(i).get_texture();
+}
+
+void Texture::unbind_from(unsigned i)
+{
+ TexUnit &unit = TexUnit::get_unit(i);
+ const Texture *cur = unit.get_texture();
+ if(unit.set_texture(0))
+ {
+ if(ARB_direct_state_access)
+ glBindTextureUnit(i, 0);
+ else
+ {
+ unit.bind();
+ glBindTexture(cur->target, 0);
+ }
+
+ if(unit.get_sampler()==&cur->default_sampler)
+ Sampler::unbind_from(i);
+ }