tree 322a2459df809b4a3c8322a6d96fd0bea41d954d
parent 5b5aed710fc4db986cc8b0f8ae3acda69eabd760
author commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> 1380935790 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> 1380935790 +0000

Add perspective support to SkMatrix44 initializers.

I noticed SkMatrix <-> SkMatrix44 conversions were dropping the
perspective values on the floor.  As we use SkMatrix44 heavily in
Chromium, I'm concerned this missing code will cause a bug eventually.
It should be correct to simply use the bottom row of the 4x4 matrix
excluding the third column.

Previously committed and reverted, second attempt with fix for
incorrect use of SkMScalar/SkScalar.

BUG=
R=reed@google.com, caryclark@google.com

Author: aelias@chromium.org

Review URL: https://codereview.chromium.org/25484006

git-svn-id: http://skia.googlecode.com/svn/trunk/src@11624 2bbb7eff-a529-9590-31e7-b0007b416f81