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| 1 /* | |
| 2 * Copyright 2015 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef Sk2x_DEFINED | |
| 9 #define Sk2x_DEFINED | |
| 10 | |
| 11 #include "SkTypes.h" | |
| 12 #include "SkNx.h" | |
| 13 | |
| 14 #define SK2X_PREAMBLE 1 | |
| 15 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) | |
| 16 #include "../opts/Sk2x_sse.h" | |
| 17 #elif defined(SK_ARM_HAS_NEON) && !defined(SKNX_NO_SIMD) | |
| 18 #include "../opts/Sk2x_neon.h" | |
| 19 #else | |
| 20 #include "../opts/Sk2x_none.h" | |
| 21 #endif | |
| 22 #undef SK2X_PREAMBLE | |
| 23 | |
| 24 template <typename T> class Sk2x; | |
| 25 typedef Sk2x<float> Sk2f; | |
| 26 typedef Sk2x<double> Sk2d; | |
| 27 | |
| 28 #if SK_SCALAR_IS_FLOAT | |
| 29 typedef Sk2f Sk2s; | |
| 30 #elif SK_SCALAR_IS_DOUBLE | |
| 31 typedef Sk2d Sk2s; | |
| 32 #endif | |
| 33 | |
| 34 // This API is meant to be manageably small, not comprehensive. | |
| 35 // Please talk to mtklein if you find yourself wanting more. | |
| 36 template <typename T> class Sk2x { | |
| 37 public: | |
| 38 Sk2x(); // Uninitialized; use Sk2x(0) for zero. | |
| 39 explicit Sk2x(T); // Same as Sk2x(T,T); | |
| 40 Sk2x(T, T); | |
| 41 | |
| 42 Sk2x(const Sk2x& o) { *this = o; } | |
| 43 Sk2x& operator=(const Sk2x&); | |
| 44 | |
| 45 // These assume no particular alignment. | |
| 46 static Sk2x Load(const T[2]); | |
| 47 void store(T[2]) const; | |
| 48 | |
| 49 Sk2x add(const Sk2x&) const; | |
| 50 Sk2x subtract(const Sk2x&) const; | |
| 51 Sk2x multiply(const Sk2x&) const; | |
| 52 Sk2x divide(const Sk2x&) const; | |
| 53 | |
| 54 Sk2x operator +(const Sk2x& o) const { return this->add(o); } | |
| 55 Sk2x operator -(const Sk2x& o) const { return this->subtract(o); } | |
| 56 Sk2x operator *(const Sk2x& o) const { return this->multiply(o); } | |
| 57 Sk2x operator /(const Sk2x& o) const { return this->divide(o); } | |
| 58 | |
| 59 Sk2x& operator +=(const Sk2x& o) { return (*this = *this + o); } | |
| 60 Sk2x& operator -=(const Sk2x& o) { return (*this = *this - o); } | |
| 61 Sk2x& operator *=(const Sk2x& o) { return (*this = *this * o); } | |
| 62 Sk2x& operator /=(const Sk2x& o) { return (*this = *this / o); } | |
| 63 | |
| 64 Sk2x negate() const { return Sk2x((T)0) - *this; } | |
| 65 Sk2x operator -() const { return this->negate(); } | |
| 66 | |
| 67 Sk2x rsqrt() const; // Approximate 1/this->sqrt(). | |
| 68 Sk2x sqrt() const; // this->multiply(this->rsqrt()) may be faster, but le
ss precise. | |
| 69 | |
| 70 Sk2x invert() const; // 1/this. | |
| 71 Sk2x approxInvert() const; // Approximate 1/this, usually faster but less p
recise. | |
| 72 | |
| 73 static Sk2x Min(const Sk2x&, const Sk2x&); | |
| 74 static Sk2x Max(const Sk2x&, const Sk2x&); | |
| 75 | |
| 76 private: | |
| 77 #define SK2X_PRIVATE 1 | |
| 78 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) | |
| 79 #include "../opts/Sk2x_sse.h" | |
| 80 #elif defined(SK_ARM_HAS_NEON) && !defined(SKNX_NO_SIMD) | |
| 81 #include "../opts/Sk2x_neon.h" | |
| 82 #else | |
| 83 #include "../opts/Sk2x_none.h" | |
| 84 #endif | |
| 85 #undef SK2X_PRIVATE | |
| 86 }; | |
| 87 | |
| 88 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 && !defined(SKNX_NO_SIMD) | |
| 89 #include "../opts/Sk2x_sse.h" | |
| 90 #elif defined(SK_ARM_HAS_NEON) && !defined(SKNX_NO_SIMD) | |
| 91 #include "../opts/Sk2x_neon.h" | |
| 92 #else | |
| 93 #include "../opts/Sk2x_none.h" | |
| 94 #endif | |
| 95 | |
| 96 #endif//Sk2x_DEFINED | |
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Chromium Code Reviews
Issue 1048593002:
Refactor Sk2x<T> + Sk4x<T> into SkNf<N,T> and SkNi<N,T> (Closed)
Base URL: https://skia.googlesource.com/skia.git@master