tree 0a6f412c2825118f754e5990c8d348a732b7fae0
parent 7397d7ade8b72f3b75e9384693aa59292a63fd68
author Stephen White <senorblanco@chromium.org> 1515092470 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1515101766 +0000

GrTessellator: fix for points which become non-finite on AA stroking.

If input points are near-infinite, they may become inf or NaN when
stroked.  Before converting the results of intersection from double
to float, clamp them to the [-FLT_MAX/FLT_MAX] range.

BUG=798679

Change-Id: I7d61130dd26147a9b7cfd38aa96567e3867b5c3e
Reviewed-on: https://skia-review.googlesource.com/90983
Commit-Queue: Stephen White <senorblanco@chromium.org>
Reviewed-by: Brian Osman <brianosman@google.com>