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1 /* | 1 /* |
2 * Copyright 2014 The Android Open Source Project | 2 * Copyright 2014 The Android Open Source Project |
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 SkColor_opts_SSE2_DEFINED | 8 #ifndef SkColor_opts_SSE2_DEFINED |
9 #define SkColor_opts_SSE2_DEFINED | 9 #define SkColor_opts_SSE2_DEFINED |
10 | 10 |
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199 SK_B32_SHIFT + (8 - SK_B16_BITS)); | 199 SK_B32_SHIFT + (8 - SK_B16_BITS)); |
200 b2 = _mm_and_si128(b2, _mm_set1_epi32(SK_B16_MASK)); | 200 b2 = _mm_and_si128(b2, _mm_set1_epi32(SK_B16_MASK)); |
201 __m128i b = _mm_packs_epi32(b1, b2); | 201 __m128i b = _mm_packs_epi32(b1, b2); |
202 | 202 |
203 // Store 8 16-bit colors in dst. | 203 // Store 8 16-bit colors in dst. |
204 __m128i d_pixel = SkPackRGB16_SSE2(r, g, b); | 204 __m128i d_pixel = SkPackRGB16_SSE2(r, g, b); |
205 | 205 |
206 return d_pixel; | 206 return d_pixel; |
207 } | 207 } |
208 | 208 |
209 // Portable version SkBlendARGB32 is in SkColorPriv.h. | 209 // Portable version is SkPMSrcOver in SkColorPriv.h. |
| 210 static inline __m128i SkPMSrcOver_SSE2(const __m128i& src, const __m128i& dst) { |
| 211 return _mm_add_epi32(src, |
| 212 SkAlphaMulQ_SSE2(dst, _mm_sub_epi32(_mm_set1_epi32(256)
, |
| 213 SkGetPackedA32_SSE2
(src)))); |
| 214 } |
| 215 |
| 216 // Portable version is SkBlendARGB32 in SkColorPriv.h. |
210 static inline __m128i SkBlendARGB32_SSE2(const __m128i& src, const __m128i& dst, | 217 static inline __m128i SkBlendARGB32_SSE2(const __m128i& src, const __m128i& dst, |
211 const __m128i& aa) { | 218 const __m128i& aa) { |
212 __m128i src_scale = SkAlpha255To256_SSE2(aa); | 219 __m128i src_scale = SkAlpha255To256_SSE2(aa); |
213 // SkAlpha255To256(255 - SkAlphaMul(SkGetPackedA32(src), src_scale)) | 220 // SkAlpha255To256(255 - SkAlphaMul(SkGetPackedA32(src), src_scale)) |
214 __m128i dst_scale = SkGetPackedA32_SSE2(src); | 221 __m128i dst_scale = SkGetPackedA32_SSE2(src); |
215 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); | 222 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); |
216 dst_scale = _mm_srli_epi16(dst_scale, 8); | 223 dst_scale = _mm_srli_epi16(dst_scale, 8); |
217 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); | 224 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); |
218 | 225 |
219 __m128i result = SkAlphaMulQ_SSE2(src, src_scale); | 226 __m128i result = SkAlphaMulQ_SSE2(src, src_scale); |
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230 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); | 237 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); |
231 dst_scale = _mm_srli_epi16(dst_scale, 8); | 238 dst_scale = _mm_srli_epi16(dst_scale, 8); |
232 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); | 239 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); |
233 | 240 |
234 __m128i result = SkAlphaMulQ_SSE2(src, alpha); | 241 __m128i result = SkAlphaMulQ_SSE2(src, alpha); |
235 return _mm_add_epi8(result, SkAlphaMulQ_SSE2(dst, dst_scale)); | 242 return _mm_add_epi8(result, SkAlphaMulQ_SSE2(dst, dst_scale)); |
236 } | 243 } |
237 | 244 |
238 #undef ASSERT_EQ | 245 #undef ASSERT_EQ |
239 #endif // SkColor_opts_SSE2_DEFINED | 246 #endif // SkColor_opts_SSE2_DEFINED |
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