TexasCHLforum.com

Per Title 10 Chpt. 46 § 46.03

 *on the premises of a church, synagogue, or other established place of religious worship.
 *On the premises of a Hospital licensed under the Health and Safety Code
 *On the premises of a nursing home licensed under the Health and Safety Code
 *Amusement parks. Amusement Parks means a permanent indoor or outdoor facility or park where
amusement rides are available for use by the public that is located in a county with a population of more than one million, encompasses at least 75 acres in surface area, is enclosed with access only through controlled entries, is open for operation more than 120 days in each calendar year, and has security guards on the premises at all times. The term does not include any public or private driveway, street, sidewalk or walkway, parking lot, parking garage, or other parking area.
 Public or private premises conspicuously posted with a Sign that meets these Criteria.
 Items above marked * Do not apply if the actor was not given effective notice under Section 30.06.

So short answer as stated above, unless 30.06 is posted you may carry!