7 O O B 6 O O 5 4. 3 2 1 E 0 0 1 2 3 4 5 6 7 Figure 1: A Polygon in viewport where z-values of A, B ..., G are given by -5, -2, 0, 5, 2, -1, -3, respectively (C) Write a Matlab program to compute the Active Edge Table (AET) for the polygon with z-buffering in Figure 1 for scanline 0 to 7. [10 Marks]