function normal(shader, t_base, t_second, t_detail)
    shader:begin("wmark", "simple")
        :sorting(1, false)
        :blend(true, blend.destcolor, blend.srccolor)
        :aref(true, 0)
        :zb(true, false)
        :fog(false)
        :wmark(true)
    shader:sampler("s_base"):texture(t_base)
end