Avoid SkFixed overflow in decal bitmap procs
The check for decal mode can overflow in SkFixed. Promote to
64bit (48.16) instead.
Also update can_truncate_to_fixed_for_decal() to take SkFixed params and
used it in ClampX_ClampY_filter_scale_SSE2().
BUG=chromium:675444
R=reed@google.com
CQ_INCLUDE_TRYBOTS=skia.primary:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD
Change-Id: I759464cdaa5c005159e38e32167fb1937e2a1d28
Reviewed-on: https://skia-review.googlesource.com/6538
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
5 files changed