| #ifndef Sk4x_DEFINED |
| #define Sk4x_DEFINED |
| |
| #include "SkTypes.h" |
| |
| // First we'll let Clang or GCC try their best with whatever instructions are available. |
| // Otherwise fall back on portable code. This really should be a last resort. |
| |
| #define SK4X_PREAMBLE 1 |
| #if defined(__clang__) |
| #include "Sk4x_clang.h" |
| #elif defined(__GNUC__) |
| #include "Sk4x_gcc.h" |
| #else |
| #include "Sk4x_portable.h" |
| #endif |
| #undef SK4X_PREAMBLE |
| |
| template <typename T> class Sk4x; |
| typedef Sk4x<int> Sk4i; |
| typedef Sk4x<float> Sk4f; |
| |
| template <typename T> class Sk4x { |
| public: |
| Sk4x(); // Uninitialized; use Sk4x(0,0,0,0) for zero. |
| Sk4x(T, T, T, T); |
| explicit Sk4x(const T[4]); |
| |
| Sk4x(const Sk4x&); |
| Sk4x& operator=(const Sk4x&); |
| |
| void set(T, T, T, T); |
| |
| void store(T[4]) const; |
| |
| template <typename Dst> Dst reinterpret() const; |
| template <typename Dst> Dst cast() const; |
| |
| bool allTrue() const; |
| bool anyTrue() const; |
| |
| Sk4x bitNot() const; |
| Sk4x bitAnd(const Sk4x&) const; |
| Sk4x bitOr (const Sk4x&) const; |
| |
| Sk4i equal(const Sk4x&) const; |
| Sk4i notEqual(const Sk4x&) const; |
| Sk4i lessThan(const Sk4x&) const; |
| Sk4i greaterThan(const Sk4x&) const; |
| Sk4i lessThanEqual(const Sk4x&) const; |
| Sk4i greaterThanEqual(const Sk4x&) const; |
| |
| Sk4x add(const Sk4x&) const; |
| Sk4x subtract(const Sk4x&) const; |
| Sk4x multiply(const Sk4x&) const; |
| Sk4x divide(const Sk4x&) const; |
| |
| static Sk4x Min(const Sk4x& a, const Sk4x& b); |
| static Sk4x Max(const Sk4x& a, const Sk4x& b); |
| |
| // Swizzles follow OpenCL xyzw convention. |
| Sk4x zwxy() const; |
| |
| // When there's a second argument, it's abcd. |
| static Sk4x XYAB(const Sk4x& xyzw, const Sk4x& abcd); |
| static Sk4x ZWCD(const Sk4x& xyzw, const Sk4x& abcd); |
| |
| private: |
| // It's handy to have Sk4f and Sk4i be mutual friends. |
| template <typename S> friend class Sk4x; |
| |
| #define SK4X_PRIVATE 1 |
| #if defined(__clang__) |
| #include "Sk4x_clang.h" |
| #elif defined(__GNUC__) |
| #include "Sk4x_gcc.h" |
| #else |
| #include "Sk4x_portable.h" |
| #endif |
| #undef SK4X_PRIVATE |
| }; |
| |
| #if defined(__clang__) |
| #include "Sk4x_clang.h" |
| #elif defined(__GNUC__) |
| #include "Sk4x_gcc.h" |
| #else |
| #include "Sk4x_portable.h" |
| #endif |
| |
| // TODO ideas for enterprising coders: |
| // 1) Code generated for Max() isn't as good in Sk4x_gcc.h as it is in _clang. Why? |
| // 2) Sk4x_sse.h would be good for Windows, and could possibly beat _clang / _gcc |
| // (e.g. they can't generate _mm_movemask_ps for allTrue/anyTrue). |
| // 3) Sk4x_neon.h might be a good idea if _clang / _gcc aren't good enough on ARM. |
| |
| |
| #endif//Sk4x_DEFINED |