The enum values don't reference material flags, but material properties.
You can now set the filter used when scaling textures down and the filter used when scaling textures up separately.
GLES drivers adapted, but only did make compile-tests. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475