Clear out SK_SCALAR_IS_FLOAT from SkRadialGradient, and merge the logic for radial_mirror and radial_repeat.

New radial/repeated bench is 10-20x faster now using float instead of fixed; the rest are unaffected.

BUG=
R=reed@google.com

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/26410003

git-svn-id: http://skia.googlecode.com/svn/trunk/src@11824 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed