[tumblindice]

http://codes.findlaw.com/tx/penal-code/penal-sect-46-035.html
(b) effective January 1, 2016>

(b)A license holder commits an offense if the license holder intentionally, knowingly, or recklessly carries a handgun under the authority of Subchapter H, Chapter 411, Government Code, regardless of whether the handgun is concealed or carried in a shoulder or belt holster, on or about the license holder’s person:

(6)on the premises of a church, synagogue, or other established place of religious worship.

[DesertRhino]

That was updated later. Churches are legal for carry unless they put up a sign prohibiting it.

[marktwain]

(b)A license holder commits an offense if the license holder intentionally, knowingly, or recklessly carries a handgun under the authority of Subchapter H, Chapter 411, Government Code, regardless of whether the handgun is concealed or carried in a shoulder or belt holster, on or about the license holder’s person: (6)on the premises of a church, synagogue, or other established place of religious worship. ------------------------------------------------------------ B (6) does not apply unless a 30.06 sign is posted at the entrance to the church. (i) Subsections (b)(4), (b)(5), (b)(6), and (c) do not apply if the actor was not given effective notice under Section 30.06 .