Lines Matching full:edges
68 * over the triangle edges and interpolate ancillary data (such as Z,
289 * call it a ``major'' edge. The other two edges are the
292 * edges is horizontal or very close to horizontal, the
299 * the top and bottom edges meet. However, this forces us to
304 * and top edges. Since this magnitude depends on the sine of
305 * the angle between the two edges, its sign tells us whether
452 * the bottom edge. (Some edges may be degenerate.)
468 * until we check the other edges.)
