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getting close on float constants

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I think I'm now down to just the constants used in comparisons in
hsl_to_rgb... so weird.  I don't get what's special about this code.

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Win7-MSVC-Golo-CPU-AVX-x86_64-Release,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-SK_CPU_LIMIT_SSE41,Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Release-SK_CPU_LIMIT_SSE2

Change-Id: I398139f00371bdbc45281a49bca56d02ba59cba9
Reviewed-on: https://skia-review.googlesource.com/14909
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
This commit is contained in:
Mike Klein 2017-05-01 14:22:10 -04:00 committed by Skia Commit-Bot
parent 7575bb1c38
commit fb11acdeef
3 changed files with 4103 additions and 3886 deletions
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3989
src/jumper/SkJumper_generated.S
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3982
src/jumper/SkJumper_generated_win.S
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18
src/jumper/SkJumper_stages.cpp
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@ -504,23 +504,23 @@ STAGE(hsl_to_rgb) {
s = g,
l = b;
F q = if_then_else(l < 0.5_f, l*(1.0_f + s), l + s - l*s),
p = 2.0_f*l - q;
F q = if_then_else(l < 0.5_f, l*(1.0f + s), l + s - l*s),
p = 2.0f*l - q;
auto hue_to_rgb = [&](F t) {
F t2 = if_then_else(t < 0.0_f, t + 1.0_f,
if_then_else(t > 1.0_f, t - 1.0_f,
F t2 = if_then_else(t < 0.0_f, t + 1.0f,
if_then_else(t > 1.0_f, t - 1.0f,
t));
return if_then_else(t2 < C(1/6.0f), p + (q-p)*6.0_f*t,
return if_then_else(t2 < C(1/6.0f), p + (q-p)*6.0f*t,
if_then_else(t2 < C(3/6.0f), q,
if_then_else(t2 < C(4/6.0f), p + (q-p)*6.0_f*(C(4/6.0f) - t2),
if_then_else(t2 < C(4/6.0f), p + (q-p)*6.0f*((4/6.0f) - t2),
p)));
};
r = if_then_else(s == 0, l, hue_to_rgb(h + C(1/3.0f)));
g = if_then_else(s == 0, l, hue_to_rgb(h ));
b = if_then_else(s == 0, l, hue_to_rgb(h - C(1/3.0f)));
r = if_then_else(s == 0, l, hue_to_rgb(h + (1/3.0f)));
g = if_then_else(s == 0, l, hue_to_rgb(h ));
b = if_then_else(s == 0, l, hue_to_rgb(h - (1/3.0f)));
}
STAGE(scale_1_float) {