•glDrawBuffer( GL_FRONT ); // Modalita’ disegno
•glDepthFunc( GL_ALWAYS
);
•glLineStipple( 1, 0xF6F6
);
•
•glMatrixMode( GL_MODELVIEW
); // Vista
•glPushMatrix();
•glLoadIdentity();
•
•glMatrixMode( GL_PROJECTION
); // Proiezione
•glPushMatrix();
•glLoadIdentity();
•glOrtho( 0, vport[2], 0,
vport[3], 0, 1 );