Compute max inclusive vertex for drawIndexed in FillRectOps

Bug: b/188881498
Change-Id: If275e6f9aee1787bfd29dd08598c53f781ec9368
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/414896
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
1 file changed