function l_special	(shader, t_base, t_second, t_detail)
	shader:begin	("lod","lod")
			: blend	(false, blend.one, blend.zero)
			: aref	(true,  200)
			: zb	(true,  true)
			: fog	(true)
	shader:sampler	("s_base0")      :texture	(t_base)
	shader:sampler	("s_base1")      :texture	(t_base)
	shader:sampler	("s_hemi0")      :texture	(t_base .. "_nm")
	shader:sampler	("s_hemi1")      :texture	(t_base .. "_nm")
end

function normal		(shader, t_base, t_second, t_detail)
	shader:begin	("lod","lod")
			: blend	(true,blend.srcalpha,blend.invsrcalpha)
			: aref	(true,8)
			: zb	(true,false)
			: fog	(true)
	shader:sampler	("s_base0")      :texture	(t_base)
	shader:sampler	("s_base1")      :texture	(t_base)
	shader:sampler	("s_hemi0")      :texture	(t_base .. "_nm")
	shader:sampler	("s_hemi1")      :texture	(t_base .. "_nm")
end