In Texas, you could be licensed to carry only revolvers or both revolvers and semi-auto pistols, but you have to carry only the type specified on your license.
10.8.2.16 Terms and Conditions of License:
A. Carrying only handguns listed on license. No person shall carry a concealed handgun of a differentcategory or higher caliber than is indicated on the license issued to that person by the department. A licenseeshall only carry one (1) concealed handgun at any given time.