Lines Matching defs:z1
72 GLfloat y2, GLfloat z1, GLfloat z2)
76 glVertex3f (x1, y1, -z1);
77 glVertex3f (x2, y1, -z1);
78 glVertex3f (x2, y2, -z1);
79 glVertex3f (x1, y2, -z1);
90 glVertex3f (x1, y1, -z1);
92 glVertex3f (x1, y2, -z1);
94 glVertex3f (x2, y1, -z1);
96 glVertex3f (x2, y2, -z1);
135 printf(" z1 is %g;", (float) *ptr/0x7fffffff); ptr++;