§ 21.07 PUBLIC LEWDNESS. (a) A person commits an offense if he knowingly engages in any of the following acts in a public place or, if not in a public place, he is reckless about whether another is present who will be offended or alarmed by his:

(1) act of sexual intercourse;

(2) act of deviate sexual intercourse;

(3) act of sexual contact; or

(4) act involving contact between the person’s mouth or genitals and the anus or genitals of an animal or fowl.

(b) An offense under this section is a Class A misdemeanor.