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- /*
- * 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_sse_DEFINED
- #define SkNx_sse_DEFINED
- #include "include/core/SkTypes.h"
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- #include <smmintrin.h>
- #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
- #include <tmmintrin.h>
- #else
- #include <emmintrin.h>
- #endif
- // This file may assume <= SSE2, but must check SK_CPU_SSE_LEVEL for anything more recent.
- // If you do, make sure this is in a static inline function... anywhere else risks violating ODR.
- namespace { // NOLINT(google-build-namespaces)
- // Emulate _mm_floor_ps() with SSE2:
- // - roundtrip through integers via truncation
- // - subtract 1 if that's too big (possible for negative values).
- // This restricts the domain of our inputs to a maximum somehwere around 2^31.
- // Seems plenty big.
- AI static __m128 emulate_mm_floor_ps(__m128 v) {
- __m128 roundtrip = _mm_cvtepi32_ps(_mm_cvttps_epi32(v));
- __m128 too_big = _mm_cmpgt_ps(roundtrip, v);
- return _mm_sub_ps(roundtrip, _mm_and_ps(too_big, _mm_set1_ps(1.0f)));
- }
- template <>
- class SkNx<2, float> {
- public:
- AI SkNx(const __m128& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(float val) : fVec(_mm_set1_ps(val)) {}
- AI static SkNx Load(const void* ptr) {
- return _mm_castsi128_ps(_mm_loadl_epi64((const __m128i*)ptr));
- }
- AI SkNx(float a, float b) : fVec(_mm_setr_ps(a,b,0,0)) {}
- AI void store(void* ptr) const { _mm_storel_pi((__m64*)ptr, fVec); }
- AI static void Load2(const void* ptr, SkNx* x, SkNx* y) {
- const float* m = (const float*)ptr;
- *x = SkNx{m[0], m[2]};
- *y = SkNx{m[1], m[3]};
- }
- AI static void Store2(void* dst, const SkNx& a, const SkNx& b) {
- auto vals = _mm_unpacklo_ps(a.fVec, b.fVec);
- _mm_storeu_ps((float*)dst, vals);
- }
- AI static void Store3(void* dst, const SkNx& a, const SkNx& b, const SkNx& c) {
- auto lo = _mm_setr_ps(a[0], b[0], c[0], a[1]),
- hi = _mm_setr_ps(b[1], c[1], 0, 0);
- _mm_storeu_ps((float*)dst, lo);
- _mm_storel_pi(((__m64*)dst) + 2, hi);
- }
- AI static void Store4(void* dst, const SkNx& a, const SkNx& b, const SkNx& c, const SkNx& d) {
- auto lo = _mm_setr_ps(a[0], b[0], c[0], d[0]),
- hi = _mm_setr_ps(a[1], b[1], c[1], d[1]);
- _mm_storeu_ps((float*)dst, lo);
- _mm_storeu_ps(((float*)dst) + 4, hi);
- }
- AI SkNx operator - () const { return _mm_xor_ps(_mm_set1_ps(-0.0f), fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_ps(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_ps(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return _mm_mul_ps(fVec, o.fVec); }
- AI SkNx operator / (const SkNx& o) const { return _mm_div_ps(fVec, o.fVec); }
- AI SkNx operator == (const SkNx& o) const { return _mm_cmpeq_ps (fVec, o.fVec); }
- AI SkNx operator != (const SkNx& o) const { return _mm_cmpneq_ps(fVec, o.fVec); }
- AI SkNx operator < (const SkNx& o) const { return _mm_cmplt_ps (fVec, o.fVec); }
- AI SkNx operator > (const SkNx& o) const { return _mm_cmpgt_ps (fVec, o.fVec); }
- AI SkNx operator <= (const SkNx& o) const { return _mm_cmple_ps (fVec, o.fVec); }
- AI SkNx operator >= (const SkNx& o) const { return _mm_cmpge_ps (fVec, o.fVec); }
- AI static SkNx Min(const SkNx& l, const SkNx& r) { return _mm_min_ps(l.fVec, r.fVec); }
- AI static SkNx Max(const SkNx& l, const SkNx& r) { return _mm_max_ps(l.fVec, r.fVec); }
- AI SkNx abs() const { return _mm_andnot_ps(_mm_set1_ps(-0.0f), fVec); }
- AI SkNx floor() const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_floor_ps(fVec);
- #else
- return emulate_mm_floor_ps(fVec);
- #endif
- }
- AI SkNx sqrt() const { return _mm_sqrt_ps (fVec); }
- AI SkNx rsqrt() const { return _mm_rsqrt_ps(fVec); }
- AI SkNx invert() const { return _mm_rcp_ps(fVec); }
- AI float operator[](int k) const {
- SkASSERT(0 <= k && k < 2);
- union { __m128 v; float fs[4]; } pun = {fVec};
- return pun.fs[k&1];
- }
- AI bool allTrue() const { return 0xff == (_mm_movemask_epi8(_mm_castps_si128(fVec)) & 0xff); }
- AI bool anyTrue() const { return 0x00 != (_mm_movemask_epi8(_mm_castps_si128(fVec)) & 0xff); }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_blendv_ps(e.fVec, t.fVec, fVec);
- #else
- return _mm_or_ps(_mm_and_ps (fVec, t.fVec),
- _mm_andnot_ps(fVec, e.fVec));
- #endif
- }
- __m128 fVec;
- };
- template <>
- class SkNx<4, float> {
- public:
- AI SkNx(const __m128& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(float val) : fVec( _mm_set1_ps(val) ) {}
- AI SkNx(float a, float b, float c, float d) : fVec(_mm_setr_ps(a,b,c,d)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadu_ps((const float*)ptr); }
- AI void store(void* ptr) const { _mm_storeu_ps((float*)ptr, fVec); }
- AI static void Load2(const void* ptr, SkNx* x, SkNx* y) {
- SkNx lo = SkNx::Load((const float*)ptr+0),
- hi = SkNx::Load((const float*)ptr+4);
- *x = SkNx{lo[0], lo[2], hi[0], hi[2]};
- *y = SkNx{lo[1], lo[3], hi[1], hi[3]};
- }
- AI static void Load4(const void* ptr, SkNx* r, SkNx* g, SkNx* b, SkNx* a) {
- __m128 v0 = _mm_loadu_ps(((float*)ptr) + 0),
- v1 = _mm_loadu_ps(((float*)ptr) + 4),
- v2 = _mm_loadu_ps(((float*)ptr) + 8),
- v3 = _mm_loadu_ps(((float*)ptr) + 12);
- _MM_TRANSPOSE4_PS(v0, v1, v2, v3);
- *r = v0;
- *g = v1;
- *b = v2;
- *a = v3;
- }
- AI static void Store4(void* dst, const SkNx& r, const SkNx& g, const SkNx& b, const SkNx& a) {
- __m128 v0 = r.fVec,
- v1 = g.fVec,
- v2 = b.fVec,
- v3 = a.fVec;
- _MM_TRANSPOSE4_PS(v0, v1, v2, v3);
- _mm_storeu_ps(((float*) dst) + 0, v0);
- _mm_storeu_ps(((float*) dst) + 4, v1);
- _mm_storeu_ps(((float*) dst) + 8, v2);
- _mm_storeu_ps(((float*) dst) + 12, v3);
- }
- AI SkNx operator - () const { return _mm_xor_ps(_mm_set1_ps(-0.0f), fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_ps(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_ps(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return _mm_mul_ps(fVec, o.fVec); }
- AI SkNx operator / (const SkNx& o) const { return _mm_div_ps(fVec, o.fVec); }
- AI SkNx operator == (const SkNx& o) const { return _mm_cmpeq_ps (fVec, o.fVec); }
- AI SkNx operator != (const SkNx& o) const { return _mm_cmpneq_ps(fVec, o.fVec); }
- AI SkNx operator < (const SkNx& o) const { return _mm_cmplt_ps (fVec, o.fVec); }
- AI SkNx operator > (const SkNx& o) const { return _mm_cmpgt_ps (fVec, o.fVec); }
- AI SkNx operator <= (const SkNx& o) const { return _mm_cmple_ps (fVec, o.fVec); }
- AI SkNx operator >= (const SkNx& o) const { return _mm_cmpge_ps (fVec, o.fVec); }
- AI static SkNx Min(const SkNx& l, const SkNx& r) { return _mm_min_ps(l.fVec, r.fVec); }
- AI static SkNx Max(const SkNx& l, const SkNx& r) { return _mm_max_ps(l.fVec, r.fVec); }
- AI SkNx abs() const { return _mm_andnot_ps(_mm_set1_ps(-0.0f), fVec); }
- AI SkNx floor() const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_floor_ps(fVec);
- #else
- return emulate_mm_floor_ps(fVec);
- #endif
- }
- AI SkNx sqrt() const { return _mm_sqrt_ps (fVec); }
- AI SkNx rsqrt() const { return _mm_rsqrt_ps(fVec); }
- AI SkNx invert() const { return _mm_rcp_ps(fVec); }
- AI float operator[](int k) const {
- SkASSERT(0 <= k && k < 4);
- union { __m128 v; float fs[4]; } pun = {fVec};
- return pun.fs[k&3];
- }
- AI float min() const {
- SkNx min = Min(*this, _mm_shuffle_ps(fVec, fVec, _MM_SHUFFLE(2,3,0,1)));
- min = Min(min, _mm_shuffle_ps(min.fVec, min.fVec, _MM_SHUFFLE(0,1,2,3)));
- return min[0];
- }
- AI float max() const {
- SkNx max = Max(*this, _mm_shuffle_ps(fVec, fVec, _MM_SHUFFLE(2,3,0,1)));
- max = Max(max, _mm_shuffle_ps(max.fVec, max.fVec, _MM_SHUFFLE(0,1,2,3)));
- return max[0];
- }
- AI bool allTrue() const { return 0xffff == _mm_movemask_epi8(_mm_castps_si128(fVec)); }
- AI bool anyTrue() const { return 0x0000 != _mm_movemask_epi8(_mm_castps_si128(fVec)); }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_blendv_ps(e.fVec, t.fVec, fVec);
- #else
- return _mm_or_ps(_mm_and_ps (fVec, t.fVec),
- _mm_andnot_ps(fVec, e.fVec));
- #endif
- }
- __m128 fVec;
- };
- AI static __m128i mullo32(__m128i a, __m128i b) {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_mullo_epi32(a, b);
- #else
- __m128i mul20 = _mm_mul_epu32(a, b),
- mul31 = _mm_mul_epu32(_mm_srli_si128(a, 4), _mm_srli_si128(b, 4));
- return _mm_unpacklo_epi32(_mm_shuffle_epi32(mul20, _MM_SHUFFLE(0,0,2,0)),
- _mm_shuffle_epi32(mul31, _MM_SHUFFLE(0,0,2,0)));
- #endif
- }
- template <>
- class SkNx<4, int32_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(int32_t val) : fVec(_mm_set1_epi32(val)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadu_si128((const __m128i*)ptr); }
- AI SkNx(int32_t a, int32_t b, int32_t c, int32_t d) : fVec(_mm_setr_epi32(a,b,c,d)) {}
- AI void store(void* ptr) const { _mm_storeu_si128((__m128i*)ptr, fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi32(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi32(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return mullo32(fVec, o.fVec); }
- AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
- AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
- AI SkNx operator ^ (const SkNx& o) const { return _mm_xor_si128(fVec, o.fVec); }
- AI SkNx operator << (int bits) const { return _mm_slli_epi32(fVec, bits); }
- AI SkNx operator >> (int bits) const { return _mm_srai_epi32(fVec, bits); }
- AI SkNx operator == (const SkNx& o) const { return _mm_cmpeq_epi32 (fVec, o.fVec); }
- AI SkNx operator < (const SkNx& o) const { return _mm_cmplt_epi32 (fVec, o.fVec); }
- AI SkNx operator > (const SkNx& o) const { return _mm_cmpgt_epi32 (fVec, o.fVec); }
- AI int32_t operator[](int k) const {
- SkASSERT(0 <= k && k < 4);
- union { __m128i v; int32_t is[4]; } pun = {fVec};
- return pun.is[k&3];
- }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_blendv_epi8(e.fVec, t.fVec, fVec);
- #else
- return _mm_or_si128(_mm_and_si128 (fVec, t.fVec),
- _mm_andnot_si128(fVec, e.fVec));
- #endif
- }
- AI SkNx abs() const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
- return _mm_abs_epi32(fVec);
- #else
- SkNx mask = (*this) >> 31;
- return (mask ^ (*this)) - mask;
- #endif
- }
- AI static SkNx Min(const SkNx& x, const SkNx& y) {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_min_epi32(x.fVec, y.fVec);
- #else
- return (x < y).thenElse(x, y);
- #endif
- }
- AI static SkNx Max(const SkNx& x, const SkNx& y) {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_max_epi32(x.fVec, y.fVec);
- #else
- return (x > y).thenElse(x, y);
- #endif
- }
- __m128i fVec;
- };
- template <>
- class SkNx<2, uint32_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(uint32_t val) : fVec(_mm_set1_epi32(val)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadl_epi64((const __m128i*)ptr); }
- AI SkNx(uint32_t a, uint32_t b) : fVec(_mm_setr_epi32(a,b,0,0)) {}
- AI void store(void* ptr) const { _mm_storel_epi64((__m128i*)ptr, fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi32(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi32(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return mullo32(fVec, o.fVec); }
- AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
- AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
- AI SkNx operator ^ (const SkNx& o) const { return _mm_xor_si128(fVec, o.fVec); }
- AI SkNx operator << (int bits) const { return _mm_slli_epi32(fVec, bits); }
- AI SkNx operator >> (int bits) const { return _mm_srli_epi32(fVec, bits); }
- AI SkNx operator == (const SkNx& o) const { return _mm_cmpeq_epi32 (fVec, o.fVec); }
- AI SkNx operator != (const SkNx& o) const { return (*this == o) ^ 0xffffffff; }
- // operator < and > take a little extra fiddling to make work for unsigned ints.
- AI uint32_t operator[](int k) const {
- SkASSERT(0 <= k && k < 2);
- union { __m128i v; uint32_t us[4]; } pun = {fVec};
- return pun.us[k&1];
- }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_blendv_epi8(e.fVec, t.fVec, fVec);
- #else
- return _mm_or_si128(_mm_and_si128 (fVec, t.fVec),
- _mm_andnot_si128(fVec, e.fVec));
- #endif
- }
- AI bool allTrue() const { return 0xff == (_mm_movemask_epi8(fVec) & 0xff); }
- __m128i fVec;
- };
- template <>
- class SkNx<4, uint32_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(uint32_t val) : fVec(_mm_set1_epi32(val)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadu_si128((const __m128i*)ptr); }
- AI SkNx(uint32_t a, uint32_t b, uint32_t c, uint32_t d) : fVec(_mm_setr_epi32(a,b,c,d)) {}
- AI void store(void* ptr) const { _mm_storeu_si128((__m128i*)ptr, fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi32(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi32(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return mullo32(fVec, o.fVec); }
- AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
- AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
- AI SkNx operator ^ (const SkNx& o) const { return _mm_xor_si128(fVec, o.fVec); }
- AI SkNx operator << (int bits) const { return _mm_slli_epi32(fVec, bits); }
- AI SkNx operator >> (int bits) const { return _mm_srli_epi32(fVec, bits); }
- AI SkNx operator == (const SkNx& o) const { return _mm_cmpeq_epi32 (fVec, o.fVec); }
- AI SkNx operator != (const SkNx& o) const { return (*this == o) ^ 0xffffffff; }
- // operator < and > take a little extra fiddling to make work for unsigned ints.
- AI uint32_t operator[](int k) const {
- SkASSERT(0 <= k && k < 4);
- union { __m128i v; uint32_t us[4]; } pun = {fVec};
- return pun.us[k&3];
- }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- return _mm_blendv_epi8(e.fVec, t.fVec, fVec);
- #else
- return _mm_or_si128(_mm_and_si128 (fVec, t.fVec),
- _mm_andnot_si128(fVec, e.fVec));
- #endif
- }
- AI SkNx mulHi(SkNx m) const {
- SkNx v20{_mm_mul_epu32(m.fVec, fVec)};
- SkNx v31{_mm_mul_epu32(_mm_srli_si128(m.fVec, 4), _mm_srli_si128(fVec, 4))};
- return SkNx{v20[1], v31[1], v20[3], v31[3]};
- }
- __m128i fVec;
- };
- template <>
- class SkNx<4, uint16_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(uint16_t val) : fVec(_mm_set1_epi16(val)) {}
- AI SkNx(uint16_t a, uint16_t b, uint16_t c, uint16_t d)
- : fVec(_mm_setr_epi16(a,b,c,d,0,0,0,0)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadl_epi64((const __m128i*)ptr); }
- AI void store(void* ptr) const { _mm_storel_epi64((__m128i*)ptr, fVec); }
- AI static void Load4(const void* ptr, SkNx* r, SkNx* g, SkNx* b, SkNx* a) {
- __m128i lo = _mm_loadu_si128(((__m128i*)ptr) + 0),
- hi = _mm_loadu_si128(((__m128i*)ptr) + 1);
- __m128i even = _mm_unpacklo_epi16(lo, hi), // r0 r2 g0 g2 b0 b2 a0 a2
- odd = _mm_unpackhi_epi16(lo, hi); // r1 r3 ...
- __m128i rg = _mm_unpacklo_epi16(even, odd), // r0 r1 r2 r3 g0 g1 g2 g3
- ba = _mm_unpackhi_epi16(even, odd); // b0 b1 ... a0 a1 ...
- *r = rg;
- *g = _mm_srli_si128(rg, 8);
- *b = ba;
- *a = _mm_srli_si128(ba, 8);
- }
- AI static void Load3(const void* ptr, SkNx* r, SkNx* g, SkNx* b) {
- // The idea here is to get 4 vectors that are R G B _ _ _ _ _.
- // The second load is at a funny location to make sure we don't read past
- // the bounds of memory. This is fine, we just need to shift it a little bit.
- const uint8_t* ptr8 = (const uint8_t*) ptr;
- __m128i rgb0 = _mm_loadu_si128((const __m128i*) (ptr8 + 0));
- __m128i rgb1 = _mm_srli_si128(rgb0, 3*2);
- __m128i rgb2 = _mm_srli_si128(_mm_loadu_si128((const __m128i*) (ptr8 + 4*2)), 2*2);
- __m128i rgb3 = _mm_srli_si128(rgb2, 3*2);
- __m128i rrggbb01 = _mm_unpacklo_epi16(rgb0, rgb1);
- __m128i rrggbb23 = _mm_unpacklo_epi16(rgb2, rgb3);
- *r = _mm_unpacklo_epi32(rrggbb01, rrggbb23);
- *g = _mm_srli_si128(r->fVec, 4*2);
- *b = _mm_unpackhi_epi32(rrggbb01, rrggbb23);
- }
- AI static void Store4(void* dst, const SkNx& r, const SkNx& g, const SkNx& b, const SkNx& a) {
- __m128i rg = _mm_unpacklo_epi16(r.fVec, g.fVec);
- __m128i ba = _mm_unpacklo_epi16(b.fVec, a.fVec);
- __m128i lo = _mm_unpacklo_epi32(rg, ba);
- __m128i hi = _mm_unpackhi_epi32(rg, ba);
- _mm_storeu_si128(((__m128i*) dst) + 0, lo);
- _mm_storeu_si128(((__m128i*) dst) + 1, hi);
- }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi16(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi16(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return _mm_mullo_epi16(fVec, o.fVec); }
- AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
- AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
- AI SkNx operator << (int bits) const { return _mm_slli_epi16(fVec, bits); }
- AI SkNx operator >> (int bits) const { return _mm_srli_epi16(fVec, bits); }
- AI uint16_t operator[](int k) const {
- SkASSERT(0 <= k && k < 4);
- union { __m128i v; uint16_t us[8]; } pun = {fVec};
- return pun.us[k&3];
- }
- __m128i fVec;
- };
- template <>
- class SkNx<8, uint16_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(uint16_t val) : fVec(_mm_set1_epi16(val)) {}
- AI SkNx(uint16_t a, uint16_t b, uint16_t c, uint16_t d,
- uint16_t e, uint16_t f, uint16_t g, uint16_t h)
- : fVec(_mm_setr_epi16(a,b,c,d,e,f,g,h)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadu_si128((const __m128i*)ptr); }
- AI void store(void* ptr) const { _mm_storeu_si128((__m128i*)ptr, fVec); }
- AI static void Load4(const void* ptr, SkNx* r, SkNx* g, SkNx* b, SkNx* a) {
- __m128i _01 = _mm_loadu_si128(((__m128i*)ptr) + 0),
- _23 = _mm_loadu_si128(((__m128i*)ptr) + 1),
- _45 = _mm_loadu_si128(((__m128i*)ptr) + 2),
- _67 = _mm_loadu_si128(((__m128i*)ptr) + 3);
- __m128i _02 = _mm_unpacklo_epi16(_01, _23), // r0 r2 g0 g2 b0 b2 a0 a2
- _13 = _mm_unpackhi_epi16(_01, _23), // r1 r3 g1 g3 b1 b3 a1 a3
- _46 = _mm_unpacklo_epi16(_45, _67),
- _57 = _mm_unpackhi_epi16(_45, _67);
- __m128i rg0123 = _mm_unpacklo_epi16(_02, _13), // r0 r1 r2 r3 g0 g1 g2 g3
- ba0123 = _mm_unpackhi_epi16(_02, _13), // b0 b1 b2 b3 a0 a1 a2 a3
- rg4567 = _mm_unpacklo_epi16(_46, _57),
- ba4567 = _mm_unpackhi_epi16(_46, _57);
- *r = _mm_unpacklo_epi64(rg0123, rg4567);
- *g = _mm_unpackhi_epi64(rg0123, rg4567);
- *b = _mm_unpacklo_epi64(ba0123, ba4567);
- *a = _mm_unpackhi_epi64(ba0123, ba4567);
- }
- AI static void Load3(const void* ptr, SkNx* r, SkNx* g, SkNx* b) {
- const uint8_t* ptr8 = (const uint8_t*) ptr;
- __m128i rgb0 = _mm_loadu_si128((const __m128i*) (ptr8 + 0*2));
- __m128i rgb1 = _mm_srli_si128(rgb0, 3*2);
- __m128i rgb2 = _mm_loadu_si128((const __m128i*) (ptr8 + 6*2));
- __m128i rgb3 = _mm_srli_si128(rgb2, 3*2);
- __m128i rgb4 = _mm_loadu_si128((const __m128i*) (ptr8 + 12*2));
- __m128i rgb5 = _mm_srli_si128(rgb4, 3*2);
- __m128i rgb6 = _mm_srli_si128(_mm_loadu_si128((const __m128i*) (ptr8 + 16*2)), 2*2);
- __m128i rgb7 = _mm_srli_si128(rgb6, 3*2);
- __m128i rgb01 = _mm_unpacklo_epi16(rgb0, rgb1);
- __m128i rgb23 = _mm_unpacklo_epi16(rgb2, rgb3);
- __m128i rgb45 = _mm_unpacklo_epi16(rgb4, rgb5);
- __m128i rgb67 = _mm_unpacklo_epi16(rgb6, rgb7);
- __m128i rg03 = _mm_unpacklo_epi32(rgb01, rgb23);
- __m128i bx03 = _mm_unpackhi_epi32(rgb01, rgb23);
- __m128i rg47 = _mm_unpacklo_epi32(rgb45, rgb67);
- __m128i bx47 = _mm_unpackhi_epi32(rgb45, rgb67);
- *r = _mm_unpacklo_epi64(rg03, rg47);
- *g = _mm_unpackhi_epi64(rg03, rg47);
- *b = _mm_unpacklo_epi64(bx03, bx47);
- }
- AI static void Store4(void* ptr, const SkNx& r, const SkNx& g, const SkNx& b, const SkNx& a) {
- __m128i rg0123 = _mm_unpacklo_epi16(r.fVec, g.fVec), // r0 g0 r1 g1 r2 g2 r3 g3
- rg4567 = _mm_unpackhi_epi16(r.fVec, g.fVec), // r4 g4 r5 g5 r6 g6 r7 g7
- ba0123 = _mm_unpacklo_epi16(b.fVec, a.fVec),
- ba4567 = _mm_unpackhi_epi16(b.fVec, a.fVec);
- _mm_storeu_si128((__m128i*)ptr + 0, _mm_unpacklo_epi32(rg0123, ba0123));
- _mm_storeu_si128((__m128i*)ptr + 1, _mm_unpackhi_epi32(rg0123, ba0123));
- _mm_storeu_si128((__m128i*)ptr + 2, _mm_unpacklo_epi32(rg4567, ba4567));
- _mm_storeu_si128((__m128i*)ptr + 3, _mm_unpackhi_epi32(rg4567, ba4567));
- }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi16(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi16(fVec, o.fVec); }
- AI SkNx operator * (const SkNx& o) const { return _mm_mullo_epi16(fVec, o.fVec); }
- AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
- AI SkNx operator | (const SkNx& o) const { return _mm_or_si128(fVec, o.fVec); }
- AI SkNx operator << (int bits) const { return _mm_slli_epi16(fVec, bits); }
- AI SkNx operator >> (int bits) const { return _mm_srli_epi16(fVec, bits); }
- AI static SkNx Min(const SkNx& a, const SkNx& b) {
- // No unsigned _mm_min_epu16, so we'll shift into a space where we can use the
- // signed version, _mm_min_epi16, then shift back.
- const uint16_t top = 0x8000; // Keep this separate from _mm_set1_epi16 or MSVC will whine.
- const __m128i top_8x = _mm_set1_epi16(top);
- return _mm_add_epi8(top_8x, _mm_min_epi16(_mm_sub_epi8(a.fVec, top_8x),
- _mm_sub_epi8(b.fVec, top_8x)));
- }
- AI SkNx mulHi(const SkNx& m) const {
- return _mm_mulhi_epu16(fVec, m.fVec);
- }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- return _mm_or_si128(_mm_and_si128 (fVec, t.fVec),
- _mm_andnot_si128(fVec, e.fVec));
- }
- AI uint16_t operator[](int k) const {
- SkASSERT(0 <= k && k < 8);
- union { __m128i v; uint16_t us[8]; } pun = {fVec};
- return pun.us[k&7];
- }
- __m128i fVec;
- };
- template <>
- class SkNx<4, uint8_t> {
- public:
- AI SkNx() {}
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx(uint8_t a, uint8_t b, uint8_t c, uint8_t d)
- : fVec(_mm_setr_epi8(a,b,c,d, 0,0,0,0, 0,0,0,0, 0,0,0,0)) {}
- AI static SkNx Load(const void* ptr) { return _mm_cvtsi32_si128(*(const int*)ptr); }
- AI void store(void* ptr) const { *(int*)ptr = _mm_cvtsi128_si32(fVec); }
- AI uint8_t operator[](int k) const {
- SkASSERT(0 <= k && k < 4);
- union { __m128i v; uint8_t us[16]; } pun = {fVec};
- return pun.us[k&3];
- }
- // TODO as needed
- __m128i fVec;
- };
- template <>
- class SkNx<8, uint8_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(uint8_t val) : fVec(_mm_set1_epi8(val)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadl_epi64((const __m128i*)ptr); }
- AI SkNx(uint8_t a, uint8_t b, uint8_t c, uint8_t d,
- uint8_t e, uint8_t f, uint8_t g, uint8_t h)
- : fVec(_mm_setr_epi8(a,b,c,d, e,f,g,h, 0,0,0,0, 0,0,0,0)) {}
- AI void store(void* ptr) const {_mm_storel_epi64((__m128i*)ptr, fVec);}
- AI SkNx saturatedAdd(const SkNx& o) const { return _mm_adds_epu8(fVec, o.fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi8(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi8(fVec, o.fVec); }
- AI static SkNx Min(const SkNx& a, const SkNx& b) { return _mm_min_epu8(a.fVec, b.fVec); }
- AI SkNx operator < (const SkNx& o) const {
- // There's no unsigned _mm_cmplt_epu8, so we flip the sign bits then use a signed compare.
- auto flip = _mm_set1_epi8(char(0x80));
- return _mm_cmplt_epi8(_mm_xor_si128(flip, fVec), _mm_xor_si128(flip, o.fVec));
- }
- AI uint8_t operator[](int k) const {
- SkASSERT(0 <= k && k < 16);
- union { __m128i v; uint8_t us[16]; } pun = {fVec};
- return pun.us[k&15];
- }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- return _mm_or_si128(_mm_and_si128 (fVec, t.fVec),
- _mm_andnot_si128(fVec, e.fVec));
- }
- __m128i fVec;
- };
- template <>
- class SkNx<16, uint8_t> {
- public:
- AI SkNx(const __m128i& vec) : fVec(vec) {}
- AI SkNx() {}
- AI SkNx(uint8_t val) : fVec(_mm_set1_epi8(val)) {}
- AI static SkNx Load(const void* ptr) { return _mm_loadu_si128((const __m128i*)ptr); }
- AI SkNx(uint8_t a, uint8_t b, uint8_t c, uint8_t d,
- uint8_t e, uint8_t f, uint8_t g, uint8_t h,
- uint8_t i, uint8_t j, uint8_t k, uint8_t l,
- uint8_t m, uint8_t n, uint8_t o, uint8_t p)
- : fVec(_mm_setr_epi8(a,b,c,d, e,f,g,h, i,j,k,l, m,n,o,p)) {}
- AI void store(void* ptr) const { _mm_storeu_si128((__m128i*)ptr, fVec); }
- AI SkNx saturatedAdd(const SkNx& o) const { return _mm_adds_epu8(fVec, o.fVec); }
- AI SkNx operator + (const SkNx& o) const { return _mm_add_epi8(fVec, o.fVec); }
- AI SkNx operator - (const SkNx& o) const { return _mm_sub_epi8(fVec, o.fVec); }
- AI SkNx operator & (const SkNx& o) const { return _mm_and_si128(fVec, o.fVec); }
- AI static SkNx Min(const SkNx& a, const SkNx& b) { return _mm_min_epu8(a.fVec, b.fVec); }
- AI SkNx operator < (const SkNx& o) const {
- // There's no unsigned _mm_cmplt_epu8, so we flip the sign bits then use a signed compare.
- auto flip = _mm_set1_epi8(char(0x80));
- return _mm_cmplt_epi8(_mm_xor_si128(flip, fVec), _mm_xor_si128(flip, o.fVec));
- }
- AI uint8_t operator[](int k) const {
- SkASSERT(0 <= k && k < 16);
- union { __m128i v; uint8_t us[16]; } pun = {fVec};
- return pun.us[k&15];
- }
- AI SkNx thenElse(const SkNx& t, const SkNx& e) const {
- return _mm_or_si128(_mm_and_si128 (fVec, t.fVec),
- _mm_andnot_si128(fVec, e.fVec));
- }
- __m128i fVec;
- };
- template<> AI /*static*/ Sk4f SkNx_cast<float, int32_t>(const Sk4i& src) {
- return _mm_cvtepi32_ps(src.fVec);
- }
- template<> AI /*static*/ Sk4f SkNx_cast<float, uint32_t>(const Sk4u& src) {
- return SkNx_cast<float>(Sk4i::Load(&src));
- }
- template <> AI /*static*/ Sk4i SkNx_cast<int32_t, float>(const Sk4f& src) {
- return _mm_cvttps_epi32(src.fVec);
- }
- template<> AI /*static*/ Sk4h SkNx_cast<uint16_t, int32_t>(const Sk4i& src) {
- #if 0 && SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
- // TODO: This seems to be causing code generation problems. Investigate?
- return _mm_packus_epi32(src.fVec);
- #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
- // With SSSE3, we can just shuffle the low 2 bytes from each lane right into place.
- const int _ = ~0;
- return _mm_shuffle_epi8(src.fVec, _mm_setr_epi8(0,1, 4,5, 8,9, 12,13, _,_,_,_,_,_,_,_));
- #else
- // With SSE2, we have to sign extend our input, making _mm_packs_epi32 do the pack we want.
- __m128i x = _mm_srai_epi32(_mm_slli_epi32(src.fVec, 16), 16);
- return _mm_packs_epi32(x,x);
- #endif
- }
- template<> AI /*static*/ Sk4h SkNx_cast<uint16_t, float>(const Sk4f& src) {
- return SkNx_cast<uint16_t>(SkNx_cast<int32_t>(src));
- }
- template<> AI /*static*/ Sk4b SkNx_cast<uint8_t, float>(const Sk4f& src) {
- auto _32 = _mm_cvttps_epi32(src.fVec);
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
- const int _ = ~0;
- return _mm_shuffle_epi8(_32, _mm_setr_epi8(0,4,8,12, _,_,_,_, _,_,_,_, _,_,_,_));
- #else
- auto _16 = _mm_packus_epi16(_32, _32);
- return _mm_packus_epi16(_16, _16);
- #endif
- }
- template<> AI /*static*/ Sk4u SkNx_cast<uint32_t, uint8_t>(const Sk4b& src) {
- #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
- const int _ = ~0;
- return _mm_shuffle_epi8(src.fVec, _mm_setr_epi8(0,_,_,_, 1,_,_,_, 2,_,_,_, 3,_,_,_));
- #else
- auto _16 = _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128());
- return _mm_unpacklo_epi16(_16, _mm_setzero_si128());
- #endif
- }
- template<> AI /*static*/ Sk4i SkNx_cast<int32_t, uint8_t>(const Sk4b& src) {
- return SkNx_cast<uint32_t>(src).fVec;
- }
- template<> AI /*static*/ Sk4f SkNx_cast<float, uint8_t>(const Sk4b& src) {
- return _mm_cvtepi32_ps(SkNx_cast<int32_t>(src).fVec);
- }
- template<> AI /*static*/ Sk4f SkNx_cast<float, uint16_t>(const Sk4h& src) {
- auto _32 = _mm_unpacklo_epi16(src.fVec, _mm_setzero_si128());
- return _mm_cvtepi32_ps(_32);
- }
- template<> AI /*static*/ Sk8b SkNx_cast<uint8_t, int32_t>(const Sk8i& src) {
- Sk4i lo, hi;
- SkNx_split(src, &lo, &hi);
- auto t = _mm_packs_epi32(lo.fVec, hi.fVec);
- return _mm_packus_epi16(t, t);
- }
- template<> AI /*static*/ Sk16b SkNx_cast<uint8_t, float>(const Sk16f& src) {
- Sk8f ab, cd;
- SkNx_split(src, &ab, &cd);
- Sk4f a,b,c,d;
- SkNx_split(ab, &a, &b);
- SkNx_split(cd, &c, &d);
- return _mm_packus_epi16(_mm_packus_epi16(_mm_cvttps_epi32(a.fVec),
- _mm_cvttps_epi32(b.fVec)),
- _mm_packus_epi16(_mm_cvttps_epi32(c.fVec),
- _mm_cvttps_epi32(d.fVec)));
- }
- template<> AI /*static*/ Sk4h SkNx_cast<uint16_t, uint8_t>(const Sk4b& src) {
- return _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128());
- }
- template<> AI /*static*/ Sk8h SkNx_cast<uint16_t, uint8_t>(const Sk8b& src) {
- return _mm_unpacklo_epi8(src.fVec, _mm_setzero_si128());
- }
- template<> AI /*static*/ Sk4b SkNx_cast<uint8_t, uint16_t>(const Sk4h& src) {
- return _mm_packus_epi16(src.fVec, src.fVec);
- }
- template<> AI /*static*/ Sk8b SkNx_cast<uint8_t, uint16_t>(const Sk8h& src) {
- return _mm_packus_epi16(src.fVec, src.fVec);
- }
- template<> AI /*static*/ Sk4i SkNx_cast<int32_t, uint16_t>(const Sk4h& src) {
- return _mm_unpacklo_epi16(src.fVec, _mm_setzero_si128());
- }
- template<> AI /*static*/ Sk4b SkNx_cast<uint8_t, int32_t>(const Sk4i& src) {
- return _mm_packus_epi16(_mm_packus_epi16(src.fVec, src.fVec), src.fVec);
- }
- template<> AI /*static*/ Sk4b SkNx_cast<uint8_t, uint32_t>(const Sk4u& src) {
- return _mm_packus_epi16(_mm_packus_epi16(src.fVec, src.fVec), src.fVec);
- }
- template<> AI /*static*/ Sk4i SkNx_cast<int32_t, uint32_t>(const Sk4u& src) {
- return src.fVec;
- }
- AI static Sk4i Sk4f_round(const Sk4f& x) {
- return _mm_cvtps_epi32(x.fVec);
- }
- } // namespace
- #endif//SkNx_sse_DEFINED
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