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| author |  mtklein <mtklein@chromium.org> | 2016-02-17 07:23:36 -0800 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2016-02-17 07:23:36 -0800 |
| commit | 0cf795fd1135babe0ee0b3585f3ad49a02fe1387 (patch) | |
| tree | 5a80134edb018edd23407ae510bb0756d024be1f | |
| parent | d96e7e503fd24825a6717d58e90a97f95e8ebbc6 (diff) | |
fast sk4f <-> sk4i SSE methods
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1707673002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
Review URL: https://codereview.chromium.org/1707673002
| -rw-r--r-- | src/opts/SkNx_sse.h | 7 | ||||
| -rw-r--r-- | tests/SkNxTest.cpp | 16 |
2 files changed, 23 insertions, 0 deletions
diff --git a/src/opts/SkNx_sse.h b/src/opts/SkNx_sse.h index 7d00ddf9ba..be521a1a31 100644 --- a/src/opts/SkNx_sse.h +++ b/src/opts/SkNx_sse.h @@ -294,6 +294,13 @@ public: __m128i fVec; }; +template<> /*static*/ inline Sk4f SkNx_cast<float, int>(const Sk4i& src) { + return _mm_cvtepi32_ps(src.fVec); +} + +template <> /*static*/ inline Sk4i SkNx_cast<int, float>(const Sk4f& src) { + return _mm_cvttps_epi32(src.fVec); +} template<> /*static*/ inline Sk4h SkNx_cast<uint16_t, float>(const Sk4f& src) { auto _32 = _mm_cvttps_epi32(src.fVec); diff --git a/tests/SkNxTest.cpp b/tests/SkNxTest.cpp index e329e17bfa..57e659ea5b 100644 --- a/tests/SkNxTest.cpp +++ b/tests/SkNxTest.cpp @@ -237,6 +237,22 @@ DEF_TEST(SkNx_shuffle, r) { REPORTER_ASSERT(r, f4[3] == 20); } +DEF_TEST(SkNx_int_float, r) { + Sk4f f(-2.3f, 1.0f, 0.45f, 0.6f); + + Sk4i i = SkNx_cast<int>(f); + REPORTER_ASSERT(r, i[0] == -2); + REPORTER_ASSERT(r, i[1] == 1); + REPORTER_ASSERT(r, i[2] == 0); + REPORTER_ASSERT(r, i[3] == 0); + + f = SkNx_cast<float>(i); + REPORTER_ASSERT(r, f[0] == -2.0f); + REPORTER_ASSERT(r, f[1] == 1.0f); + REPORTER_ASSERT(r, f[2] == 0.0f); + REPORTER_ASSERT(r, f[3] == 0.0f); +} + #include "SkRandom.h" DEF_TEST(SkNx_u16_float, r) { |