GLfloat nearval, GLfloat farval );
extern void
-_math_matrix_viewport(GLmatrix *m, GLint x, GLint y, GLint width, GLint height,
- GLfloat zNear, GLfloat zFar, GLfloat depthMax);
+_math_matrix_viewport( GLmatrix *m, const float scale[3],
+ const float translate[3], double depthMax );
extern void
_math_matrix_set_identity( GLmatrix *dest );