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tor-scan-converter: can't do_fullrow when intersection in row + 0.5subrow

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the active edges list must be left sorted at the next possible use
and since full_row does not deal with intersections it is not usable
when there is an intersection in the top half of the next row first
subrow

Reported-and-tested-by: Matthew Leach
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85151
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Massimo Valentini 2014-10-19 09:19:10 +02:00 • committed by Chris Wilson
parent 51892e91d4
commit 2de69581c2
1 changed files with 2 additions and 2 deletions
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4
src/cairo-tor-scan-converter.c
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@ -1167,8 +1167,8 @@ can_do_full_row (struct active_list *active)
if (e->dy) {
struct quorem x = e->x;
x.quo += e->dxdy_full.quo - e->dxdy.quo/2;
x.rem += e->dxdy_full.rem - e->dxdy.rem/2;
x.quo += e->dxdy_full.quo;
x.rem += e->dxdy_full.rem;
if (x.rem < 0) {
x.quo--;
x.rem += e->dy;