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| 1 #ifndef Sk4x_DEFINED |
| 2 #define Sk4x_DEFINED |
| 3 |
| 4 #include "SkTypes.h" |
| 5 |
| 6 // First we'll let Clang try its best with whatever instructions are available. |
| 7 // Otherwise fall back on portable code. This really should be a last resort. |
| 8 |
| 9 #define SK4X_PREAMBLE 1 |
| 10 #if defined(__clang__) |
| 11 #include "Sk4x_clang.h" |
| 12 #else |
| 13 #include "Sk4x_portable.h" |
| 14 #endif |
| 15 #undef SK4X_PREAMBLE |
| 16 |
| 17 template <typename T> class Sk4x; |
| 18 typedef Sk4x<int> Sk4i; |
| 19 typedef Sk4x<float> Sk4f; |
| 20 |
| 21 template <typename T> class Sk4x { |
| 22 public: |
| 23 Sk4x(); // Uninitialized; use Sk4x(0,0,0,0) for zero. |
| 24 Sk4x(T, T, T, T); |
| 25 explicit Sk4x(const T[4]); |
| 26 |
| 27 Sk4x(const Sk4x&); |
| 28 Sk4x& operator=(const Sk4x&); |
| 29 |
| 30 void set(T, T, T, T); |
| 31 |
| 32 void store(T[4]) const; |
| 33 |
| 34 template <typename Dst> Dst reinterpret() const; |
| 35 template <typename Dst> Dst cast() const; |
| 36 |
| 37 bool allTrue() const; |
| 38 bool anyTrue() const; |
| 39 |
| 40 Sk4x bitNot() const; |
| 41 Sk4x bitAnd(const Sk4x&) const; |
| 42 Sk4x bitOr (const Sk4x&) const; |
| 43 |
| 44 Sk4i equal(const Sk4x&) const; |
| 45 Sk4i notEqual(const Sk4x&) const; |
| 46 Sk4i lessThan(const Sk4x&) const; |
| 47 Sk4i greaterThan(const Sk4x&) const; |
| 48 Sk4i lessThanEqual(const Sk4x&) const; |
| 49 Sk4i greaterThanEqual(const Sk4x&) const; |
| 50 |
| 51 Sk4x add(const Sk4x&) const; |
| 52 Sk4x subtract(const Sk4x&) const; |
| 53 Sk4x multiply(const Sk4x&) const; |
| 54 Sk4x divide(const Sk4x&) const; |
| 55 |
| 56 static Sk4x Min(const Sk4x& a, const Sk4x& b); |
| 57 static Sk4x Max(const Sk4x& a, const Sk4x& b); |
| 58 |
| 59 // Swizzles follow OpenCL xyzw convention. |
| 60 Sk4x zwxy() const; |
| 61 |
| 62 // When there's a second argument, it's abcd. |
| 63 static Sk4x XYAB(const Sk4x& xyzw, const Sk4x& abcd); |
| 64 static Sk4x ZWCD(const Sk4x& xyzw, const Sk4x& abcd); |
| 65 |
| 66 private: |
| 67 // It's handy to have Sk4f and Sk4i be mutual friends. |
| 68 template <typename S> friend class Sk4x; |
| 69 |
| 70 #define SK4X_PRIVATE 1 |
| 71 #if defined(__clang__) |
| 72 #include "Sk4x_clang.h" |
| 73 #else |
| 74 #include "Sk4x_portable.h" |
| 75 #endif |
| 76 #undef SK4X_PRIVATE |
| 77 }; |
| 78 |
| 79 #if defined(__clang__) |
| 80 #include "Sk4x_clang.h" |
| 81 #else |
| 82 #include "Sk4x_portable.h" |
| 83 #endif |
| 84 |
| 85 // TODO ideas for enterprising coders: |
| 86 // 1) Add Sk4x_gcc.h? __builtin_shuffle is fairly new, which is a pain. |
| 87 // 2) Sk4x_sse.h would be good for Windows, and could possibly beat _clang / _
gcc |
| 88 // (e.g. they can't generate _mm_movemask_ps for allTrue/anyTrue). |
| 89 // 3) Sk4x_neon.h might be a good idea if _clang / _gcc aren't good enough on
ARM. |
| 90 |
| 91 |
| 92 #endif//Sk4x_DEFINED |
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