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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 is SkPMSrcOver in SkColorPriv.h. | 209 // Portable version SkBlendARGB32 is 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. | |
217 static inline __m128i SkBlendARGB32_SSE2(const __m128i& src, const __m128i& dst, | 210 static inline __m128i SkBlendARGB32_SSE2(const __m128i& src, const __m128i& dst, |
218 const __m128i& aa) { | 211 const __m128i& aa) { |
219 __m128i src_scale = SkAlpha255To256_SSE2(aa); | 212 __m128i src_scale = SkAlpha255To256_SSE2(aa); |
220 // SkAlpha255To256(255 - SkAlphaMul(SkGetPackedA32(src), src_scale)) | 213 // SkAlpha255To256(255 - SkAlphaMul(SkGetPackedA32(src), src_scale)) |
221 __m128i dst_scale = SkGetPackedA32_SSE2(src); | 214 __m128i dst_scale = SkGetPackedA32_SSE2(src); |
222 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); | 215 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); |
223 dst_scale = _mm_srli_epi16(dst_scale, 8); | 216 dst_scale = _mm_srli_epi16(dst_scale, 8); |
224 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); | 217 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); |
225 | 218 |
226 __m128i result = SkAlphaMulQ_SSE2(src, src_scale); | 219 __m128i result = SkAlphaMulQ_SSE2(src, src_scale); |
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237 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); | 230 dst_scale = _mm_mullo_epi16(dst_scale, src_scale); |
238 dst_scale = _mm_srli_epi16(dst_scale, 8); | 231 dst_scale = _mm_srli_epi16(dst_scale, 8); |
239 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); | 232 dst_scale = _mm_sub_epi32(_mm_set1_epi32(256), dst_scale); |
240 | 233 |
241 __m128i result = SkAlphaMulQ_SSE2(src, alpha); | 234 __m128i result = SkAlphaMulQ_SSE2(src, alpha); |
242 return _mm_add_epi8(result, SkAlphaMulQ_SSE2(dst, dst_scale)); | 235 return _mm_add_epi8(result, SkAlphaMulQ_SSE2(dst, dst_scale)); |
243 } | 236 } |
244 | 237 |
245 #undef ASSERT_EQ | 238 #undef ASSERT_EQ |
246 #endif // SkColor_opts_SSE2_DEFINED | 239 #endif // SkColor_opts_SSE2_DEFINED |
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