So, the rights of the father to subject his children to pornography supercede the rights of the mother from Texas Penal Code Sec. 151.001. Sub. Sec. A. Articles 1-2. ?  
I don't see anything in there where her rights superceed his either:
§ 151.001. RIGHTS AND DUTIES OF PARENT.  (a) A parent of a 
child has the following rights and duties:
      (1)  the right to have physical possession, to direct 
the moral and religious training, and to designate the residence of 
the child;
      (2)  the duty of care, control, protection, and 
reasonable discipline of the child;
      (3)  the duty to support the child, including providing 
the child with clothing, food, shelter, medical and dental care, 
and education;
      (4)  the duty, except when a guardian of the child's 
estate has been appointed, to manage the estate of the child, 
including the right as an agent of the child to act in relation to 
the child's estate if the child's action is required by a state, the 
United States, or a foreign government;
      (5)  except as provided by Section 264.0111, the right 
to the services and earnings of the child;
      (6)  the right to consent to the child's marriage, 
enlistment in the armed forces of the United States, medical and 
dental care, and psychiatric, psychological, and surgical 
treatment;
      (7)  the right to represent the child in legal action 
and to make other decisions of substantial legal significance 
concerning the child;
      (8)  the right to receive and give receipt for payments 
for the support of the child and to hold or disburse funds for the 
benefit of the child;
      (9)  the right to inherit from and through the child;                         
      (10)  the right to make decisions concerning the 
child's education;  and    
      (11)  any other right or duty existing between a parent 
and child by virtue of law.
   (b)  The duty of a parent to support his or her child exists 
while the child is an unemancipated minor and continues as long as 
the child is fully enrolled in an accredited secondary school in a 
program leading toward a high school diploma until the end of the 
school year in which the child graduates.
   (c)  A parent who fails to discharge the duty of support is 
liable to a person who provides necessaries to those to whom support 
is owed.
   (d)  The rights and duties of a parent are subject to:                         
      (1)  a court order affecting the rights and duties;                           
      (2)  an affidavit of relinquishment of parental rights;  
and                
      (3)  an affidavit by the parent designating another 
person or agency to act as managing conservator.
   (e)  Only the following persons may use corporal punishment 
for the reasonable discipline of a child:
      (1)  a parent or grandparent of the child;                                    
      (2)  a stepparent of the child who has the duty of 
control and reasonable discipline of the child;  and
      (3)  an individual who is a guardian of the child and 
who has the duty of control and reasonable discipline of the child.