port ok to SkPngEncoder
I can't tell you how excited I am to turn down the libpng settings...
anything that saves me a few seconds is a nice quality of life win.
This CL makes ok run in about half the time when producing .pngs.
Profile running `ok gm srgb png` before:
10.59 s 16.5% 10.59 s longest_match
8.98 s 14.0% 8.98 s png_setup_paeth_row
8.93 s 13.9% 8.93 s skia_png_write_find_filter
7.75 s 12.1% 7.75 s deflate_slow
4.63 s 7.2% 4.63 s std::wait_until(...) const
959.00 ms 1.5% 959.00 ms SkPathRef::validate() const
935.00 ms 1.4% 935.00 ms sk_to_srgb_hsw
...
After:
2.35 s 8.7% 2.35 s std::wait_until(...) const
1.70 s 6.2% 1.70 s longest_match
1.19 s 4.4% 1.19 s deflate_fast
931.00 ms 3.4% 931.00 ms SkPathRef::validate() const
898.00 ms 3.3% 898.00 ms sk_to_srgb_hsw
...
Change-Id: I425c30b2ecd97a0e4a4392779de6301db473ee47
Reviewed-on: https://skia-review.googlesource.com/15547
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Matt Sarett <msarett@google.com>
1 file changed