make matrix color filter runtime-only
The unit test Paint_nothingToDraw expects isAlphaUnchanged() to work
correctly on a matrix color filter, so we take care to make it easy
to prove alpha is unchanged when its row is [0 0 0 1 0].
Reviewed-by: Brian Osman <email@example.com>
Commit-Queue: Mike Klein <firstname.lastname@example.org>
1 file changed