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authorGravatar reed <reed@google.com>2016-07-11 13:17:35 -0700
committerGravatar Commit bot <commit-bot@chromium.org>2016-07-11 13:17:35 -0700
commitb42b785d1cbc98bd34aceae338060831b974f9c5 (patch)
tree91f84ddd2f3cecf85c8c0dad4a5cfc48e2140c10 /src/core/SkNx.h
parent7e602c2c6cb2fbeb70a3978e2148844b673a8a4c (diff)
try to speed-up maprect + round2i + contains
We call roundOut in a few places. If we can get SkNx::Ceil we could efficiently implement that as well. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2133413002 CQ_INCLUDE_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot Review-Url: https://codereview.chromium.org/2133413002
Diffstat (limited to 'src/core/SkNx.h')
-rw-r--r--src/core/SkNx.h310
1 files changed, 0 insertions, 310 deletions
diff --git a/src/core/SkNx.h b/src/core/SkNx.h
deleted file mode 100644
index d0c7f41f1c..0000000000
--- a/src/core/SkNx.h
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * 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_DEFINED
-#define SkNx_DEFINED
-
-//#define SKNX_NO_SIMD
-
-#include "SkScalar.h"
-#include "SkTypes.h"
-#include <limits>
-#include <math.h>
-#include <type_traits>
-
-#define SI static inline
-
-// The default SkNx<N,T> just proxies down to a pair of SkNx<N/2, T>.
-template <int N, typename T>
-struct SkNx {
- typedef SkNx<N/2, T> Half;
-
- Half fLo, fHi;
-
- SkNx() = default;
- SkNx(const Half& lo, const Half& hi) : fLo(lo), fHi(hi) {}
-
- SkNx(T v) : fLo(v), fHi(v) {}
-
- SkNx(T a, T b) : fLo(a) , fHi(b) { static_assert(N==2, ""); }
- SkNx(T a, T b, T c, T d) : fLo(a,b), fHi(c,d) { static_assert(N==4, ""); }
- SkNx(T a, T b, T c, T d, T e, T f, T g, T h) : fLo(a,b,c,d), fHi(e,f,g,h) {
- static_assert(N==8, "");
- }
- SkNx(T a, T b, T c, T d, T e, T f, T g, T h,
- T i, T j, T k, T l, T m, T n, T o, T p) : fLo(a,b,c,d, e,f,g,h), fHi(i,j,k,l, m,n,o,p) {
- static_assert(N==16, "");
- }
-
- T operator[](int k) const {
- SkASSERT(0 <= k && k < N);
- return k < N/2 ? fLo[k] : fHi[k-N/2];
- }
-
- static SkNx Load(const void* vptr) {
- auto ptr = (const char*)vptr;
- return { Half::Load(ptr), Half::Load(ptr + N/2*sizeof(T)) };
- }
- void store(void* vptr) const {
- auto ptr = (char*)vptr;
- fLo.store(ptr);
- fHi.store(ptr + N/2*sizeof(T));
- }
-
- bool anyTrue() const { return fLo.anyTrue() || fHi.anyTrue(); }
- bool allTrue() const { return fLo.allTrue() && fHi.allTrue(); }
-
- SkNx abs() const { return { fLo. abs(), fHi. abs() }; }
- SkNx sqrt() const { return { fLo. sqrt(), fHi. sqrt() }; }
- SkNx rsqrt() const { return { fLo. rsqrt(), fHi. rsqrt() }; }
- SkNx floor() const { return { fLo. floor(), fHi. floor() }; }
- SkNx invert() const { return { fLo.invert(), fHi.invert() }; }
-
- SkNx operator!() const { return { !fLo, !fHi }; }
- SkNx operator-() const { return { -fLo, -fHi }; }
- SkNx operator~() const { return { ~fLo, ~fHi }; }
-
- SkNx operator<<(int bits) const { return { fLo << bits, fHi << bits }; }
- SkNx operator>>(int bits) const { return { fLo >> bits, fHi >> bits }; }
-
- SkNx operator+(const SkNx& y) const { return { fLo + y.fLo, fHi + y.fHi }; }
- SkNx operator-(const SkNx& y) const { return { fLo - y.fLo, fHi - y.fHi }; }
- SkNx operator*(const SkNx& y) const { return { fLo * y.fLo, fHi * y.fHi }; }
- SkNx operator/(const SkNx& y) const { return { fLo / y.fLo, fHi / y.fHi }; }
-
- SkNx operator&(const SkNx& y) const { return { fLo & y.fLo, fHi & y.fHi }; }
- SkNx operator|(const SkNx& y) const { return { fLo | y.fLo, fHi | y.fHi }; }
- SkNx operator^(const SkNx& y) const { return { fLo ^ y.fLo, fHi ^ y.fHi }; }
-
- SkNx operator==(const SkNx& y) const { return { fLo == y.fLo, fHi == y.fHi }; }
- SkNx operator!=(const SkNx& y) const { return { fLo != y.fLo, fHi != y.fHi }; }
- SkNx operator<=(const SkNx& y) const { return { fLo <= y.fLo, fHi <= y.fHi }; }
- SkNx operator>=(const SkNx& y) const { return { fLo >= y.fLo, fHi >= y.fHi }; }
- SkNx operator< (const SkNx& y) const { return { fLo < y.fLo, fHi < y.fHi }; }
- SkNx operator> (const SkNx& y) const { return { fLo > y.fLo, fHi > y.fHi }; }
-
- SkNx saturatedAdd(const SkNx& y) const {
- return { fLo.saturatedAdd(y.fLo), fHi.saturatedAdd(y.fHi) };
- }
- SkNx thenElse(const SkNx& t, const SkNx& e) const {
- return { fLo.thenElse(t.fLo, e.fLo), fHi.thenElse(t.fHi, e.fHi) };
- }
-
- static SkNx Min(const SkNx& x, const SkNx& y) {
- return { Half::Min(x.fLo, y.fLo), Half::Min(x.fHi, y.fHi) };
- }
- static SkNx Max(const SkNx& x, const SkNx& y) {
- return { Half::Max(x.fLo, y.fLo), Half::Max(x.fHi, y.fHi) };
- }
-};
-
-// The N -> N/2 recursion bottoms out at N == 1, a scalar value.
-template <typename T>
-struct SkNx<1,T> {
- T fVal;
-
- SkNx() = default;
- SkNx(T v) : fVal(v) {}
-
- T operator[](int k) const {
- SkASSERT(k == 0);
- return fVal;
- }
-
- static SkNx Load(const void* ptr) {
- SkNx v;
- memcpy(&v, ptr, sizeof(T));
- return v;
- }
- void store(void* ptr) const { memcpy(ptr, &fVal, sizeof(T)); }
-
- bool anyTrue() const { return fVal != 0; }
- bool allTrue() const { return fVal != 0; }
-
- SkNx abs() const { return Abs(fVal); }
- SkNx sqrt() const { return Sqrt(fVal); }
- SkNx rsqrt() const { return T(1) / this->sqrt(); }
- SkNx floor() const { return Floor(fVal); }
- SkNx invert() const { return T(1) / *this; }
-
- SkNx operator!() const { return !fVal; }
- SkNx operator-() const { return -fVal; }
- SkNx operator~() const { return FromBits(~ToBits(fVal)); }
-
- SkNx operator<<(int bits) const { return fVal << bits; }
- SkNx operator>>(int bits) const { return fVal >> bits; }
-
- SkNx operator+(const SkNx& y) const { return fVal + y.fVal; }
- SkNx operator-(const SkNx& y) const { return fVal - y.fVal; }
- SkNx operator*(const SkNx& y) const { return fVal * y.fVal; }
- SkNx operator/(const SkNx& y) const { return fVal / y.fVal; }
-
- SkNx operator&(const SkNx& y) const { return FromBits(ToBits(fVal) & ToBits(y.fVal)); }
- SkNx operator|(const SkNx& y) const { return FromBits(ToBits(fVal) | ToBits(y.fVal)); }
- SkNx operator^(const SkNx& y) const { return FromBits(ToBits(fVal) ^ ToBits(y.fVal)); }
-
- SkNx operator==(const SkNx& y) const { return FromBits(fVal == y.fVal ? ~0 : 0); }
- SkNx operator!=(const SkNx& y) const { return FromBits(fVal != y.fVal ? ~0 : 0); }
- SkNx operator<=(const SkNx& y) const { return FromBits(fVal <= y.fVal ? ~0 : 0); }
- SkNx operator>=(const SkNx& y) const { return FromBits(fVal >= y.fVal ? ~0 : 0); }
- SkNx operator< (const SkNx& y) const { return FromBits(fVal < y.fVal ? ~0 : 0); }
- SkNx operator> (const SkNx& y) const { return FromBits(fVal > y.fVal ? ~0 : 0); }
-
- static SkNx Min(const SkNx& x, const SkNx& y) { return x.fVal < y.fVal ? x : y; }
- static SkNx Max(const SkNx& x, const SkNx& y) { return x.fVal > y.fVal ? x : y; }
-
- SkNx saturatedAdd(const SkNx& y) const {
- static_assert(std::is_unsigned<T>::value, "");
- T sum = fVal + y.fVal;
- return sum < fVal ? std::numeric_limits<T>::max() : sum;
- }
-
- SkNx thenElse(const SkNx& t, const SkNx& e) const { return fVal != 0 ? t : e; }
-
-private:
- // Helper functions to choose the right float/double methods. (In <cmath> madness lies...)
- static float Abs(float val) { return ::fabsf(val); }
- static float Sqrt(float val) { return ::sqrtf(val); }
- static float Floor(float val) { return ::floorf(val); }
-
- static double Abs(double val) { return ::fabs(val); }
- static double Sqrt(double val) { return ::sqrt(val); }
- static double Floor(double val) { return ::floor(val); }
-
- // Helper functions for working with floats/doubles as bit patterns.
- template <typename U> static U ToBits(U v) { return v; }
- static int32_t ToBits(float v) { int32_t bits; memcpy(&bits, &v, sizeof(v)); return bits; }
- static int64_t ToBits(double v) { int64_t bits; memcpy(&bits, &v, sizeof(v)); return bits; }
-
- template <typename Bits> static T FromBits(Bits bits) {
- static_assert(std::is_pod<T >::value &&
- std::is_pod<Bits>::value &&
- sizeof(T) <= sizeof(Bits), "");
- T val;
- memcpy(&val, &bits, sizeof(T));
- return val;
- }
-};
-
-// Allow scalars on the left or right of binary operators, and things like +=, &=, etc.
-#define V template <int N, typename T> SI SkNx<N,T>
- V operator+ (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) + y; }
- V operator- (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) - y; }
- V operator* (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) * y; }
- V operator/ (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) / y; }
- V operator& (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) & y; }
- V operator| (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) | y; }
- V operator^ (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) ^ y; }
- V operator==(T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) == y; }
- V operator!=(T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) != y; }
- V operator<=(T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) <= y; }
- V operator>=(T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) >= y; }
- V operator< (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) < y; }
- V operator> (T x, const SkNx<N,T>& y) { return SkNx<N,T>(x) > y; }
-
- V operator+ (const SkNx<N,T>& x, T y) { return x + SkNx<N,T>(y); }
- V operator- (const SkNx<N,T>& x, T y) { return x - SkNx<N,T>(y); }
- V operator* (const SkNx<N,T>& x, T y) { return x * SkNx<N,T>(y); }
- V operator/ (const SkNx<N,T>& x, T y) { return x / SkNx<N,T>(y); }
- V operator& (const SkNx<N,T>& x, T y) { return x & SkNx<N,T>(y); }
- V operator| (const SkNx<N,T>& x, T y) { return x | SkNx<N,T>(y); }
- V operator^ (const SkNx<N,T>& x, T y) { return x ^ SkNx<N,T>(y); }
- V operator==(const SkNx<N,T>& x, T y) { return x == SkNx<N,T>(y); }
- V operator!=(const SkNx<N,T>& x, T y) { return x != SkNx<N,T>(y); }
- V operator<=(const SkNx<N,T>& x, T y) { return x <= SkNx<N,T>(y); }
- V operator>=(const SkNx<N,T>& x, T y) { return x >= SkNx<N,T>(y); }
- V operator< (const SkNx<N,T>& x, T y) { return x < SkNx<N,T>(y); }
- V operator> (const SkNx<N,T>& x, T y) { return x > SkNx<N,T>(y); }
-
- V& operator<<=(SkNx<N,T>& x, int bits) { return (x = x << bits); }
- V& operator>>=(SkNx<N,T>& x, int bits) { return (x = x >> bits); }
-
- V& operator +=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x + y); }
- V& operator -=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x - y); }
- V& operator *=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x * y); }
- V& operator /=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x / y); }
- V& operator &=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x & y); }
- V& operator |=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x | y); }
- V& operator ^=(SkNx<N,T>& x, const SkNx<N,T>& y) { return (x = x ^ y); }
-
- V& operator +=(SkNx<N,T>& x, T y) { return (x = x + SkNx<N,T>(y)); }
- V& operator -=(SkNx<N,T>& x, T y) { return (x = x - SkNx<N,T>(y)); }
- V& operator *=(SkNx<N,T>& x, T y) { return (x = x * SkNx<N,T>(y)); }
- V& operator /=(SkNx<N,T>& x, T y) { return (x = x / SkNx<N,T>(y)); }
- V& operator &=(SkNx<N,T>& x, T y) { return (x = x & SkNx<N,T>(y)); }
- V& operator |=(SkNx<N,T>& x, T y) { return (x = x | SkNx<N,T>(y)); }
- V& operator ^=(SkNx<N,T>& x, T y) { return (x = x ^ SkNx<N,T>(y)); }
-#undef V
-
-// SkNx<N,T> ~~> SkNx<N/2,T> + SkNx<N/2,T>
-template <int N, typename T>
-SI void SkNx_split(const SkNx<N,T>& v, SkNx<N/2,T>* lo, SkNx<N/2,T>* hi) {
- *lo = v.fLo;
- *hi = v.fHi;
-}
-
-// SkNx<N/2,T> + SkNx<N/2,T> ~~> SkNx<N,T>
-template <int N, typename T>
-SI SkNx<N*2,T> SkNx_join(const SkNx<N,T>& lo, const SkNx<N,T>& hi) {
- return { lo, hi };
-}
-
-// A very generic shuffle. Can reorder, duplicate, contract, expand...
-// Sk4f v = { R,G,B,A };
-// SkNx_shuffle<2,1,0,3>(v) ~~> {B,G,R,A}
-// SkNx_shuffle<2,1>(v) ~~> {B,G}
-// SkNx_shuffle<2,1,2,1,2,1,2,1>(v) ~~> {B,G,B,G,B,G,B,G}
-// SkNx_shuffle<3,3,3,3>(v) ~~> {A,A,A,A}
-template <int... Ix, int N, typename T>
-SI SkNx<sizeof...(Ix),T> SkNx_shuffle(const SkNx<N,T>& v) {
- return { v[Ix]... };
-}
-
-// Cast from SkNx<N, Src> to SkNx<N, Dst>, as if you called static_cast<Dst>(Src).
-template <typename Dst, typename Src, int N>
-SI SkNx<N,Dst> SkNx_cast(const SkNx<N,Src>& v) {
- return { SkNx_cast<Dst>(v.fLo), SkNx_cast<Dst>(v.fHi) };
-}
-template <typename Dst, typename Src>
-SI SkNx<1,Dst> SkNx_cast(const SkNx<1,Src>& v) {
- return static_cast<Dst>(v.fVal);
-}
-
-typedef SkNx<2, float> Sk2f;
-typedef SkNx<4, float> Sk4f;
-typedef SkNx<8, float> Sk8f;
-typedef SkNx<16, float> Sk16f;
-
-typedef SkNx<2, SkScalar> Sk2s;
-typedef SkNx<4, SkScalar> Sk4s;
-typedef SkNx<8, SkScalar> Sk8s;
-typedef SkNx<16, SkScalar> Sk16s;
-
-typedef SkNx<4, uint8_t> Sk4b;
-typedef SkNx<8, uint8_t> Sk8b;
-typedef SkNx<16, uint8_t> Sk16b;
-
-typedef SkNx<4, uint16_t> Sk4h;
-typedef SkNx<8, uint16_t> Sk8h;
-typedef SkNx<16, uint16_t> Sk16h;
-
-typedef SkNx<4, int> Sk4i;
-
-// Include platform specific specializations if available.
-#if !defined(SKNX_NO_SIMD) && SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
- #include "../opts/SkNx_sse.h"
-#elif !defined(SKNX_NO_SIMD) && defined(SK_ARM_HAS_NEON)
- #include "../opts/SkNx_neon.h"
-#endif
-
-SI void Sk4f_ToBytes(uint8_t p[16], const Sk4f& a, const Sk4f& b, const Sk4f& c, const Sk4f& d) {
- SkNx_cast<uint8_t>(SkNx_join(SkNx_join(a,b), SkNx_join(c,d))).store(p);
-}
-
-#undef SI
-
-#endif//SkNx_DEFINED