3d50730e12
vmull_u8() does u8 * u8 -> u16, 8 at a time. This keeps the loop as
tight as possible in NEON, basically {load,mull,addhn,store,loop}.
Drop N to 4 pixels at at time to make this easier. Depending on how
performance charts go, I may circle back to bring this back up to 8.
Bug: chromium:952502
Change-Id: I17ba6b60c0cc6c6da71b05a4af269d87d76672b5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/208140
Auto-Submit: Mike Klein <mtklein@google.com>
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
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| animations | ||
| bench | ||
| bin | ||
| dm | ||
| docker | ||
| docs/examples | ||
| example | ||
| experimental | ||
| fuzz | ||
| gm | ||
| gn | ||
| include | ||
| infra | ||
| modules | ||
| platform_tools | ||
| resources | ||
| samplecode | ||
| site | ||
| src | ||
| tests | ||
| third_party | ||
| tools | ||
| .clang-format | ||
| .clang-tidy | ||
| .gitignore | ||
| .gn | ||
| AUTHORS | ||
| BUILD.gn | ||
| codereview.settings | ||
| CONTRIBUTING | ||
| CQ_COMMITTERS | ||
| DEPS | ||
| LICENSE | ||
| OWNERS | ||
| PRESUBMIT.py | ||
| public.bzl | ||
| README | ||
| README.chromium | ||
| whitespace.txt | ||
Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See full details, and build instructions, at https://skia.org.