Yes, it is legal but you may wish to consider a place where it is still concealed but highly accessible. It won't do you much good if you are about to get jacked and you have to fumble or reach across to retrieve you gun. Just something to think about. This applies even if you have a CHL.
(1) the handgun is in plain view; or
(2) the person is:
(A) engaged in criminal activity, other than a Class C misdemeanor that is a violation of a law or ordinance regulating traffic;
(B) prohibited by law from possessing a firearm; or
(C) a member of a criminal street gang, as defined by Section 71.01.