SkRasterPipeline preliminaries

src/opts/SkNx_sse.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkNx_sse_DEFINED
 #define SkNx_sse_DEFINED
 
@@ skipping 132 matching lines @@
 
     SkNx operator + (const SkNx& o) const { return _mm_add_epi32(fVec, o.fVec); }
     SkNx operator - (const SkNx& o) const { return _mm_sub_epi32(fVec, o.fVec); }
     SkNx operator * (const SkNx& o) const {
         __m128i mul20 = _mm_mul_epu32(fVec, o.fVec),
                 mul31 = _mm_mul_epu32(_mm_srli_si128(fVec, 4), _mm_srli_si128(o.fVec, 4));
         return _mm_unpacklo_epi32(_mm_shuffle_epi32(mul20, _MM_SHUFFLE(0,0,2,0)),
                                   _mm_shuffle_epi32(mul31, _MM_SHUFFLE(0,0,2,0)));
     }
 
+    SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
     SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
 
     SkNx operator << (int bits) const { return _mm_slli_epi32(fVec, bits); }
     SkNx operator >> (int bits) const { return _mm_srai_epi32(fVec, bits); }
 
     int operator[](int k) const {
         SkASSERT(0 <= k && k < 4);
         union { __m128i v; int is[4]; } pun = {fVec};
         return pun.is[k&3];
     }
@@ skipping 202 matching lines @@
 
 template<> /*static*/ inline Sk4h SkNx_cast<uint16_t, uint8_t>(const Sk4b& src) {
     return _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128());
 }
 
 template<> /*static*/ inline Sk4b SkNx_cast<uint8_t, uint16_t>(const Sk4h& src) {
     return _mm_packus_epi16(src.fVec, src.fVec);
 }
 
 #endif//SkNx_sse_DEFINED