| /* |
| * Copyright (c) 2018, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AOM_AOM_DSP_X86_MASKED_VARIANCE_INTRIN_SSSE3_H_ |
| #define AOM_AOM_DSP_X86_MASKED_VARIANCE_INTRIN_SSSE3_H_ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <tmmintrin.h> |
| |
| #include "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/blend.h" |
| |
| static inline void comp_mask_pred_16_ssse3(const uint8_t *src0, |
| const uint8_t *src1, |
| const uint8_t *mask, uint8_t *dst) { |
| const __m128i alpha_max = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); |
| const __m128i round_offset = |
| _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); |
| |
| const __m128i sA0 = _mm_lddqu_si128((const __m128i *)(src0)); |
| const __m128i sA1 = _mm_lddqu_si128((const __m128i *)(src1)); |
| const __m128i aA = _mm_load_si128((const __m128i *)(mask)); |
| |
| const __m128i maA = _mm_sub_epi8(alpha_max, aA); |
| |
| const __m128i ssAL = _mm_unpacklo_epi8(sA0, sA1); |
| const __m128i aaAL = _mm_unpacklo_epi8(aA, maA); |
| const __m128i ssAH = _mm_unpackhi_epi8(sA0, sA1); |
| const __m128i aaAH = _mm_unpackhi_epi8(aA, maA); |
| |
| const __m128i blendAL = _mm_maddubs_epi16(ssAL, aaAL); |
| const __m128i blendAH = _mm_maddubs_epi16(ssAH, aaAH); |
| |
| const __m128i roundAL = _mm_mulhrs_epi16(blendAL, round_offset); |
| const __m128i roundAH = _mm_mulhrs_epi16(blendAH, round_offset); |
| _mm_store_si128((__m128i *)dst, _mm_packus_epi16(roundAL, roundAH)); |
| } |
| |
| static inline void comp_mask_pred_8_ssse3(uint8_t *comp_pred, int height, |
| const uint8_t *src0, int stride0, |
| const uint8_t *src1, int stride1, |
| const uint8_t *mask, |
| int mask_stride) { |
| int i = 0; |
| const __m128i alpha_max = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); |
| const __m128i round_offset = |
| _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); |
| do { |
| // odd line A |
| const __m128i sA0 = _mm_loadl_epi64((const __m128i *)(src0)); |
| const __m128i sA1 = _mm_loadl_epi64((const __m128i *)(src1)); |
| const __m128i aA = _mm_loadl_epi64((const __m128i *)(mask)); |
| // even line B |
| const __m128i sB0 = _mm_loadl_epi64((const __m128i *)(src0 + stride0)); |
| const __m128i sB1 = _mm_loadl_epi64((const __m128i *)(src1 + stride1)); |
| const __m128i a = _mm_castps_si128(_mm_loadh_pi( |
| _mm_castsi128_ps(aA), (const __m64 *)(mask + mask_stride))); |
| |
| const __m128i ssA = _mm_unpacklo_epi8(sA0, sA1); |
| const __m128i ssB = _mm_unpacklo_epi8(sB0, sB1); |
| |
| const __m128i ma = _mm_sub_epi8(alpha_max, a); |
| const __m128i aaA = _mm_unpacklo_epi8(a, ma); |
| const __m128i aaB = _mm_unpackhi_epi8(a, ma); |
| |
| const __m128i blendA = _mm_maddubs_epi16(ssA, aaA); |
| const __m128i blendB = _mm_maddubs_epi16(ssB, aaB); |
| const __m128i roundA = _mm_mulhrs_epi16(blendA, round_offset); |
| const __m128i roundB = _mm_mulhrs_epi16(blendB, round_offset); |
| const __m128i round = _mm_packus_epi16(roundA, roundB); |
| // comp_pred's stride == width == 8 |
| _mm_store_si128((__m128i *)(comp_pred), round); |
| comp_pred += (8 << 1); |
| src0 += (stride0 << 1); |
| src1 += (stride1 << 1); |
| mask += (mask_stride << 1); |
| i += 2; |
| } while (i < height); |
| } |
| |
| #endif // AOM_AOM_DSP_X86_MASKED_VARIANCE_INTRIN_SSSE3_H_ |