GitLab

Rounded corner shader can be avoided every time that a quad does not
intersect any corner.
This is particularly useful in overview mode, where most of the tiles do
not need to be drawn using the rounded corner shader.

Bug: 903486
Change-Id: I673760b8ffbb8550d05752aab929e99d42c1ac9a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1548734Reviewed-by: Avi Drissman <avi@chromium.org>
Reviewed-by: enne <enne@chromium.org>
Commit-Queue: Daniele Castagna <dcastagna@chromium.org>
Cr-Commit-Position: refs/heads/master@{#647112}