+void GLAPIENTRY
+_mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params );
+void GLAPIENTRY
+_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param );
+void GLAPIENTRY
+_mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params );
+void GLAPIENTRY
+_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param );
+void GLAPIENTRY