 images[extType];
                if(Hilo3d.extensions.get(Hilo3d.KTXLoader[extType])){
                    res.forEach(function(src){
                        var loader = new Hilo3d.Loader();
                        loader.load({
                            src:'./image/compressed/logo_' + src + '.ktx'
                        }).then(function(texture){
                            texture.minFilter = Hilo3d.constants.NEAREST_MIPMAP_LINEAR;
                            var textureBox = new Hilo3d.Mesh({
     