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| author |  mtklein <mtklein@chromium.org> | 2015-09-10 14:32:32 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-09-10 14:32:32 -0700 |
| commit | e70afc9f48d00828ee6b707899a8ff542b0e8b98 (patch) | |
| tree | 58e033054b171a025dd0c34b6b6cf760387414fb /src | |
| parent | 2bd5d024723f52fc4d1144773ee9922a8c0a1b4d (diff) | |
use new shuffle to speed up affine matrix mappts
sse: 25 -> 18
neon: 95 -> 86
BUG=skia:
Review URL: https://codereview.chromium.org/1333983002
Diffstat (limited to 'src')
| -rw-r--r-- | src/opts/SkMatrix_opts.h | 5 | ||||
| -rw-r--r-- | src/opts/SkNx_neon.h | 5 |
2 files changed, 7 insertions, 3 deletions
diff --git a/src/opts/SkMatrix_opts.h b/src/opts/SkMatrix_opts.h index 3fb2701e88..2d0a142cf1 100644 --- a/src/opts/SkMatrix_opts.h +++ b/src/opts/SkMatrix_opts.h @@ -89,12 +89,11 @@ static void matrix_affine(const SkMatrix& m, SkPoint* dst, const SkPoint* src, i } Sk4s trans4(tx, ty, tx, ty); Sk4s scale4(sx, sy, sx, sy); - Sk4s skew4(kx, ky, kx, ky); // applied to swizzle of src4 + Sk4s skew4(ky, kx, ky, kx); // applied src4, then x/y swapped count >>= 1; for (int i = 0; i < count; ++i) { Sk4s src4 = Sk4s::Load(&src->fX); - Sk4s swz4(src[0].fY, src[0].fX, src[1].fY, src[1].fX); // need ABCD -> BADC - (src4 * scale4 + swz4 * skew4 + trans4).store(&dst->fX); + (trans4 + src4 * scale4 + SkNx_shuffle<1,0,3,2>(src4 * skew4)).store(&dst->fX); src += 2; dst += 2; } diff --git a/src/opts/SkNx_neon.h b/src/opts/SkNx_neon.h index cf149862c5..3d90f878a5 100644 --- a/src/opts/SkNx_neon.h +++ b/src/opts/SkNx_neon.h @@ -396,6 +396,11 @@ public: #undef SHIFT16 #undef SHIFT8 +template <> +inline SkNf<4,float> SkNx_shuffle_impl<SkNf<4,float>, 1,0,3,2>(const SkNf<4,float>& src) { + return vrev64q_f32(src.fVec); +} + } // namespace #endif//SkNx_neon_DEFINED |