| commit | e947efb9d2152411247361c9d8b80e7c7239285a | [log] [tgz] |
|---|---|---|
| author | jiepan <jie.pan@intel.com> | Thu May 07 14:09:05 2020 +0800 |
| committer | Skia Commit-Bot <skia-commit-bot@chromium.org> | Sat May 09 23:43:14 2020 +0000 |
| tree | 8f2333807837cab842c9f3f6cbf8daecad8a14b0 | |
| parent | 832e1fe8c80bf2e825b1295ecc9c460b60d3d3c7 [diff] |
Avoid scale by alpha if unnecessary
~15% improvement for S32_alpha_D32_filter_DX on skylake-x.
nanobench result on 7900X(fixed frequency@3.2GHz)
before after
bitmaprect_FF_filter_trans 524µs 453µs
Change-Id: I1c0c05915ecd3dc6f59da5eb49b5ae1c6cd98814
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/288436
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>