Fix bugs in combine_over_reverse_ca().
authorSøren Sandmann Pedersen <sandmann@redhat.com>
Wed, 5 Aug 2009 20:17:52 +0000 (16:17 -0400)
committerSøren Sandmann Pedersen <sandmann@redhat.com>
Sat, 8 Aug 2009 22:50:17 +0000 (18:50 -0400)
commitde8fff746bfa80278f85859bef2dc0ab166f7a69
tree216bd9b1112f3b242061e1657d872a419bfa9bb9
parent7b1df41b6110424b8dca9fa655dbc8dd95a76882
Fix bugs in combine_over_reverse_ca().

The computation cannot be optimized away when alpha is 0 because that
can happen when the source has alpha zero and rgb non-zero.
pixman/pixman-combine.c.template