/* Letterbox the background image */
glNormal3f(0, 0, 1); glTexCoord2f(0,0); glVertex3f(8, 4.1, -4);
glNormal3f(0, 0, 1); glTexCoord2f(0,1); glVertex3f(8, -4.1, -4);
/* Letterbox the background image */
glNormal3f(0, 0, 1); glTexCoord2f(0,0); glVertex3f(8, 4.1, -4);
glNormal3f(0, 0, 1); glTexCoord2f(0,1); glVertex3f(8, -4.1, -4);