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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkNx_sse_DEFINED | 8 #ifndef SkNx_sse_DEFINED |
9 #define SkNx_sse_DEFINED | 9 #define SkNx_sse_DEFINED |
10 | 10 |
11 #include "SkCpu.h" | 11 #include "SkCpu.h" |
12 #include <immintrin.h> | |
13 | 12 |
14 // This file may assume <= SSE2, but must check SK_CPU_SSE_LEVEL for anything mo
re recent. | 13 // This file may assume <= SSE2, but must check SK_CPU_SSE_LEVEL for anything mo
re recent. |
15 // If you do, make sure this is in a static inline function... anywhere else ris
ks violating ODR. | 14 // If you do, make sure this is in a static inline function... anywhere else ris
ks violating ODR. |
16 | 15 |
17 #define SKNX_IS_FAST | 16 #define SKNX_IS_FAST |
18 | 17 |
19 template <> | 18 template <> |
20 class SkNx<2, float> { | 19 class SkNx<2, float> { |
21 public: | 20 public: |
22 SkNx(const __m128& vec) : fVec(vec) {} | 21 SkNx(const __m128& vec) : fVec(vec) {} |
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365 | 364 |
366 template<> /*static*/ inline Sk4h SkNx_cast<uint16_t, uint8_t>(const Sk4b& src)
{ | 365 template<> /*static*/ inline Sk4h SkNx_cast<uint16_t, uint8_t>(const Sk4b& src)
{ |
367 return _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128()); | 366 return _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128()); |
368 } | 367 } |
369 | 368 |
370 template<> /*static*/ inline Sk4b SkNx_cast<uint8_t, uint16_t>(const Sk4h& src)
{ | 369 template<> /*static*/ inline Sk4b SkNx_cast<uint8_t, uint16_t>(const Sk4h& src)
{ |
371 return _mm_packus_epi16(src.fVec, src.fVec); | 370 return _mm_packus_epi16(src.fVec, src.fVec); |
372 } | 371 } |
373 | 372 |
374 #endif//SkNx_sse_DEFINED | 373 #endif//SkNx_sse_DEFINED |
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