make explicit the requirement that all colorfilters are reentrant-safe
authorreed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Thu, 10 Oct 2013 17:35:58 +0000 (17:35 +0000)
committerreed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Thu, 10 Oct 2013 17:35:58 +0000 (17:35 +0000)
commitfb6deed66c20f86c86c105f41dbbf3f3c4a47e4c
tree8a92e08e34ac9ee0e51c97ae9ea570bdea8cddbe
parent70de4da331b70fed227de795a7464dd6f0f0a8d7
make explicit the requirement that all colorfilters are reentrant-safe

BUG=
R=mtklein@google.com

Review URL: https://codereview.chromium.org/26876002

git-svn-id: http://skia.googlecode.com/svn/trunk@11705 2bbb7eff-a529-9590-31e7-b0007b416f81
include/core/SkColorFilter.h
include/core/SkXfermode.h
src/core/SkPicturePlayback.cpp