pub unsafe extern "C" fn Ptex__v2_4__PtexFilter_eval(
this_: *mut Ptex_PtexFilter_t,
result: *mut c_float,
firstchan: c_int,
nchannels: c_int,
faceid: c_int,
u: c_float,
v: c_float,
uw1: c_float,
vw1: c_float,
uw2: c_float,
vw2: c_float,
width: c_float,
blur: c_float
) -> Exception
