function normal(shader, t_base, t_second, t_detail)
    shader:begin("accum_volumetric", "accum_volumetric")
        :fog(false)
        :zb(true, false)
        :blend(true, blend.one, blend.one)
    --			: aref 		(true,0)
        :sorting(2, false)
    shader:sampler("s_lmap"):texture(t_base):clamp()
    shader:sampler("s_smap"):texture("null")
    --	shader:sampler	("s_noise")    	:texture("fx\\fx_noise2")	: f_linear ()
    shader:sampler("s_noise"):texture("fx\\fx_noise"):f_linear()
end