Art. 1.05. RIGHTS OF ACCUSED.  In all criminal prosecutions the accused shall have a speedy public trial by an impartial jury.  He shall have the right to demand the nature and cause of the accusation against him, and to have a copy thereof.  He shall not be compelled to give evidence against himself.  He shall have the right of being heard by himself, or counsel, or both;  shall be confronted with the witnesses against him, and shall have compulsory process for obtaining witnesses in his favor.  No person shall be held to answer for a felony unless on indictment of a grand jury.
Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722.