fill(dest, line, zline, y, startx, endx, &fillstate, clipdepth);
/* if(y == 0 && startx == 232 && endx == 418) {
printf("ymin=%d ymax=%d\n", i->ymin, i->ymax);
fill(dest, line, zline, y, startx, endx, &fillstate, clipdepth);
/* if(y == 0 && startx == 232 && endx == 418) {
printf("ymin=%d ymax=%d\n", i->ymin, i->ymax);