// Tiles (fill in f->tiles[])
		for (u16 j = 0; j < 6; j++) {
			bool backface_culling = f->backface_culling;
			if (!f->tiledef[j].backface_culling) {
				backface_culling = false;
			}
			fillTileAttribs(tsrc, &f->tiles[j], &tiledef[j], tile_shader[j],
				use_normal_texture, backface_culling, f->alpha, material_type);
	}