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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkNx_sse_DEFINED | 8 #ifndef SkNx_sse_DEFINED |
9 #define SkNx_sse_DEFINED | 9 #define SkNx_sse_DEFINED |
10 | 10 |
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80 | 80 |
81 static SkNf Min(const SkNf& l, const SkNf& r) { return _mm_min_ps(l.fVec, r.
fVec); } | 81 static SkNf Min(const SkNf& l, const SkNf& r) { return _mm_min_ps(l.fVec, r.
fVec); } |
82 static SkNf Max(const SkNf& l, const SkNf& r) { return _mm_max_ps(l.fVec, r.
fVec); } | 82 static SkNf Max(const SkNf& l, const SkNf& r) { return _mm_max_ps(l.fVec, r.
fVec); } |
83 | 83 |
84 SkNf sqrt() const { return _mm_sqrt_ps (fVec); } | 84 SkNf sqrt() const { return _mm_sqrt_ps (fVec); } |
85 SkNf rsqrt() const { return _mm_rsqrt_ps(fVec); } | 85 SkNf rsqrt() const { return _mm_rsqrt_ps(fVec); } |
86 | 86 |
87 SkNf invert() const { return SkNf(1) / *this; } | 87 SkNf invert() const { return SkNf(1) / *this; } |
88 SkNf approxInvert() const { return _mm_rcp_ps(fVec); } | 88 SkNf approxInvert() const { return _mm_rcp_ps(fVec); } |
89 | 89 |
90 float operator[] (int k) const { | 90 template <int k> float kth() const { |
91 SkASSERT(0 <= k && k < 2); | 91 SkASSERT(0 <= k && k < 2); |
92 union { __m128 v; float fs[4]; } pun = {fVec}; | 92 union { __m128 v; float fs[4]; } pun = {fVec}; |
93 return pun.fs[k]; | 93 return pun.fs[k&1]; |
94 } | 94 } |
95 | 95 |
96 private: | 96 private: |
97 __m128 fVec; | 97 __m128 fVec; |
98 }; | 98 }; |
99 | 99 |
100 template <> | 100 template <> |
101 class SkNf<2, double> { | 101 class SkNf<2, double> { |
102 typedef SkNi<2, int64_t> Ni; | 102 typedef SkNi<2, int64_t> Ni; |
103 public: | 103 public: |
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124 | 124 |
125 static SkNf Min(const SkNf& l, const SkNf& r) { return _mm_min_pd(l.fVec, r.
fVec); } | 125 static SkNf Min(const SkNf& l, const SkNf& r) { return _mm_min_pd(l.fVec, r.
fVec); } |
126 static SkNf Max(const SkNf& l, const SkNf& r) { return _mm_max_pd(l.fVec, r.
fVec); } | 126 static SkNf Max(const SkNf& l, const SkNf& r) { return _mm_max_pd(l.fVec, r.
fVec); } |
127 | 127 |
128 SkNf sqrt() const { return _mm_sqrt_pd(fVec); } | 128 SkNf sqrt() const { return _mm_sqrt_pd(fVec); } |
129 SkNf rsqrt() const { return _mm_cvtps_pd(_mm_rsqrt_ps(_mm_cvtpd_ps(fVec)));
} | 129 SkNf rsqrt() const { return _mm_cvtps_pd(_mm_rsqrt_ps(_mm_cvtpd_ps(fVec)));
} |
130 | 130 |
131 SkNf invert() const { return SkNf(1) / *this; } | 131 SkNf invert() const { return SkNf(1) / *this; } |
132 SkNf approxInvert() const { return _mm_cvtps_pd(_mm_rcp_ps(_mm_cvtpd_ps(fVec
))); } | 132 SkNf approxInvert() const { return _mm_cvtps_pd(_mm_rcp_ps(_mm_cvtpd_ps(fVec
))); } |
133 | 133 |
134 double operator[] (int k) const { | 134 template <int k> double kth() const { |
135 SkASSERT(0 <= k && k < 2); | 135 SkASSERT(0 <= k && k < 2); |
136 union { __m128d v; double ds[2]; } pun = {fVec}; | 136 union { __m128d v; double ds[2]; } pun = {fVec}; |
137 return pun.ds[k]; | 137 return pun.ds[k&1]; |
138 } | 138 } |
139 | 139 |
140 private: | 140 private: |
141 __m128d fVec; | 141 __m128d fVec; |
142 }; | 142 }; |
143 | 143 |
144 template <> | 144 template <> |
145 class SkNf<4, float> { | 145 class SkNf<4, float> { |
146 typedef SkNi<4, int32_t> Ni; | 146 typedef SkNi<4, int32_t> Ni; |
147 public: | 147 public: |
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169 | 169 |
170 static SkNf Min(const SkNf& l, const SkNf& r) { return _mm_min_ps(l.fVec, r.
fVec); } | 170 static SkNf Min(const SkNf& l, const SkNf& r) { return _mm_min_ps(l.fVec, r.
fVec); } |
171 static SkNf Max(const SkNf& l, const SkNf& r) { return _mm_max_ps(l.fVec, r.
fVec); } | 171 static SkNf Max(const SkNf& l, const SkNf& r) { return _mm_max_ps(l.fVec, r.
fVec); } |
172 | 172 |
173 SkNf sqrt() const { return _mm_sqrt_ps (fVec); } | 173 SkNf sqrt() const { return _mm_sqrt_ps (fVec); } |
174 SkNf rsqrt() const { return _mm_rsqrt_ps(fVec); } | 174 SkNf rsqrt() const { return _mm_rsqrt_ps(fVec); } |
175 | 175 |
176 SkNf invert() const { return SkNf(1) / *this; } | 176 SkNf invert() const { return SkNf(1) / *this; } |
177 SkNf approxInvert() const { return _mm_rcp_ps(fVec); } | 177 SkNf approxInvert() const { return _mm_rcp_ps(fVec); } |
178 | 178 |
179 float operator[] (int k) const { | 179 template <int k> float kth() const { |
180 SkASSERT(0 <= k && k < 4); | 180 SkASSERT(0 <= k && k < 4); |
181 union { __m128 v; float fs[4]; } pun = {fVec}; | 181 union { __m128 v; float fs[4]; } pun = {fVec}; |
182 return pun.fs[k]; | 182 return pun.fs[k&3]; |
183 } | 183 } |
184 | 184 |
185 private: | 185 private: |
186 __m128 fVec; | 186 __m128 fVec; |
187 }; | 187 }; |
188 | 188 |
189 | 189 |
190 #endif//SkNx_sse_DEFINED | 190 #endif//SkNx_sse_DEFINED |
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