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| author |  mtklein <mtklein@chromium.org> | 2015-05-12 15:48:09 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-05-12 15:48:09 -0700 |
| commit | 6cbf18c70bf99f58b2bb1c49cdf8d41be561fee4 (patch) | |
| tree | 9e634dfc2fc8a957b50c2bf5d830344ab106943c /tests/StrokeTest.cpp | |
| parent | 8c9b6f1d71faeff9ae742425466a4ee58492d6d2 (diff) | |
Plus xfermode using Sk4px.
Xfermode_Plus runs 4-5x faster.
We expect mixed_xfermodes to have a small diff. This is because kFoldCoverageIntoSrcAlpha was incorrectly set to true.
This implementation handily beats the Sk4f impl, the portable impl, and the existing SSE2 impl. Reading the SkXfermodes_opts_SSE2.cpp file, I'm pretty confident that we'll be able to beat all SSE2 impls.
I believe this impl will beat or match the existing NEON impl too, but that may not be true for more complicated xfermodes. They can take advantage of transposing ARGBARGB... to AAAARRRR.... cheaply and I haven't figured out an abstraction for that yet that doesn't screw SSE.
Adds:
- MapDstSrc() to Sk4px
- saturatedAdd() to SkNi (only implemented as far as it's used).
- div255Narrow()
BUG=skia:
Review URL: https://codereview.chromium.org/1138893002
Diffstat (limited to 'tests/StrokeTest.cpp')
0 files changed, 0 insertions, 0 deletions