- video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_pointer (video_driver);
- video::ITexture* texture = driver->getTexture (scm_to_utf8_stringn (filename, NULL));
+ video::IVideoDriver* driver = (video::IVideoDriver*) scm_to_irr_pointer (video_driver);
+ video::ITexture* texture = driver->getTexture (scm_to_utf8_string (filename));