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Implement Sk2f::Store4

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Bug: skia:
Change-Id: I2adb983d68625d327e7c00e53b6ae4703b46252f
Reviewed-on: https://skia-review.googlesource.com/104761
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
This commit is contained in:
Chris Dalton 2018-02-06 17:55:30 -07:00 committed by Skia Commit-Bot
parent 9ff8c8c073
commit 6f8fa4e6ca
3 changed files with 34 additions and 0 deletions
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10
src/opts/SkNx_neon.h
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@ -43,6 +43,16 @@ public:
vst3_f32((float*) dst, abc);
}
AI static void Store4(void* dst, const SkNx& a, const SkNx& b, const SkNx& c, const SkNx& d) {
float32x2x4_t abcd = {{
a.fVec,
b.fVec,
c.fVec,
d.fVec,
}};
vst4_f32((float*) dst, abcd);
}
AI SkNx invert() const {
float32x2_t est0 = vrecpe_f32(fVec),
est1 = vmul_f32(vrecps_f32(est0, fVec), est0);

7
src/opts/SkNx_sse.h
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@ -36,6 +36,13 @@ public:
_mm_storel_pi(((__m64*)dst) + 2, hi);
}
AI static void Store4(void* dst, const SkNx& a, const SkNx& b, const SkNx& c, const SkNx& d) {
auto lo = _mm_setr_ps(a[0], b[0], c[0], d[0]),
hi = _mm_setr_ps(a[1], b[1], c[1], d[1]);
_mm_storeu_ps((float*)dst, lo);
_mm_storeu_ps(((float*)dst) + 4, hi);
}
AI SkNx operator - () const { return _mm_xor_ps(_mm_set1_ps(-0.0f), fVec); }
AI SkNx operator + (const SkNx& o) const { return _mm_add_ps(fVec, o.fVec); }

17
tests/SkNxTest.cpp
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@ -437,3 +437,20 @@ DEF_TEST(Sk2f_Store3, r) {
REPORTER_ASSERT(r, dst[4] == 4);
REPORTER_ASSERT(r, dst[5] == 5);
}
DEF_TEST(Sk2f_Store4, r) {
Sk2f p0{0, 4};
Sk2f p1{1, 5};
Sk2f p2{2, 6};
Sk2f p3{3, 7};
float dst[8];
Sk2f::Store4(dst, p0, p1, p2, p3);
REPORTER_ASSERT(r, dst[0] == 0);
REPORTER_ASSERT(r, dst[1] == 1);
REPORTER_ASSERT(r, dst[2] == 2);
REPORTER_ASSERT(r, dst[3] == 3);
REPORTER_ASSERT(r, dst[4] == 4);
REPORTER_ASSERT(r, dst[5] == 5);
REPORTER_ASSERT(r, dst[6] == 6);
REPORTER_ASSERT(r, dst[7] == 7);
}