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reconinter_ssse3.c (4755B)


      1 /*
      2 * Copyright (c) 2018, Alliance for Open Media. All rights reserved.
      3 *
      4 * This source code is subject to the terms of the BSD 2 Clause License and
      5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
      6 * was not distributed with this source code in the LICENSE file, you can
      7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
      8 * Media Patent License 1.0 was not distributed with this source code in the
      9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
     10 */
     11 
     12 #include "config/av1_rtcd.h"
     13 
     14 #if CONFIG_AV1_HIGHBITDEPTH
     15 
     16 #include <tmmintrin.h>
     17 
     18 #include "aom/aom_integer.h"
     19 #include "aom_dsp/blend.h"
     20 #include "aom_dsp/x86/synonyms.h"
     21 #include "av1/common/blockd.h"
     22 
     23 void av1_build_compound_diffwtd_mask_highbd_ssse3(
     24    uint8_t *mask, DIFFWTD_MASK_TYPE mask_type, const uint8_t *src0,
     25    int src0_stride, const uint8_t *src1, int src1_stride, int h, int w,
     26    int bd) {
     27  if (w < 8) {
     28    av1_build_compound_diffwtd_mask_highbd_c(mask, mask_type, src0, src0_stride,
     29                                             src1, src1_stride, h, w, bd);
     30  } else {
     31    assert(bd >= 8);
     32    assert((w % 8) == 0);
     33    assert(mask_type == DIFFWTD_38 || mask_type == DIFFWTD_38_INV);
     34    const __m128i x0 = _mm_setzero_si128();
     35    const __m128i xAOM_BLEND_A64_MAX_ALPHA =
     36        _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
     37    const int mask_base = 38;
     38    const __m128i xmask_base = _mm_set1_epi16(mask_base);
     39    const uint16_t *ssrc0 = CONVERT_TO_SHORTPTR(src0);
     40    const uint16_t *ssrc1 = CONVERT_TO_SHORTPTR(src1);
     41    if (bd == 8) {
     42      if (mask_type == DIFFWTD_38_INV) {
     43        for (int i = 0; i < h; ++i) {
     44          for (int j = 0; j < w; j += 8) {
     45            __m128i s0 = _mm_loadu_si128((const __m128i *)&ssrc0[j]);
     46            __m128i s1 = _mm_loadu_si128((const __m128i *)&ssrc1[j]);
     47            __m128i diff = _mm_srai_epi16(_mm_abs_epi16(_mm_sub_epi16(s0, s1)),
     48                                          DIFF_FACTOR_LOG2);
     49            __m128i m = _mm_min_epi16(
     50                _mm_max_epi16(x0, _mm_add_epi16(diff, xmask_base)),
     51                xAOM_BLEND_A64_MAX_ALPHA);
     52            m = _mm_sub_epi16(xAOM_BLEND_A64_MAX_ALPHA, m);
     53            m = _mm_packus_epi16(m, m);
     54            _mm_storel_epi64((__m128i *)&mask[j], m);
     55          }
     56          ssrc0 += src0_stride;
     57          ssrc1 += src1_stride;
     58          mask += w;
     59        }
     60      } else {
     61        for (int i = 0; i < h; ++i) {
     62          for (int j = 0; j < w; j += 8) {
     63            __m128i s0 = _mm_loadu_si128((const __m128i *)&ssrc0[j]);
     64            __m128i s1 = _mm_loadu_si128((const __m128i *)&ssrc1[j]);
     65            __m128i diff = _mm_srai_epi16(_mm_abs_epi16(_mm_sub_epi16(s0, s1)),
     66                                          DIFF_FACTOR_LOG2);
     67            __m128i m = _mm_min_epi16(
     68                _mm_max_epi16(x0, _mm_add_epi16(diff, xmask_base)),
     69                xAOM_BLEND_A64_MAX_ALPHA);
     70            m = _mm_packus_epi16(m, m);
     71            _mm_storel_epi64((__m128i *)&mask[j], m);
     72          }
     73          ssrc0 += src0_stride;
     74          ssrc1 += src1_stride;
     75          mask += w;
     76        }
     77      }
     78    } else {
     79      const __m128i xshift = _mm_set1_epi64x(bd - 8 + DIFF_FACTOR_LOG2);
     80      if (mask_type == DIFFWTD_38_INV) {
     81        for (int i = 0; i < h; ++i) {
     82          for (int j = 0; j < w; j += 8) {
     83            __m128i s0 = _mm_loadu_si128((const __m128i *)&ssrc0[j]);
     84            __m128i s1 = _mm_loadu_si128((const __m128i *)&ssrc1[j]);
     85            __m128i diff =
     86                _mm_sra_epi16(_mm_abs_epi16(_mm_sub_epi16(s0, s1)), xshift);
     87            __m128i m = _mm_min_epi16(
     88                _mm_max_epi16(x0, _mm_add_epi16(diff, xmask_base)),
     89                xAOM_BLEND_A64_MAX_ALPHA);
     90            m = _mm_sub_epi16(xAOM_BLEND_A64_MAX_ALPHA, m);
     91            m = _mm_packus_epi16(m, m);
     92            _mm_storel_epi64((__m128i *)&mask[j], m);
     93          }
     94          ssrc0 += src0_stride;
     95          ssrc1 += src1_stride;
     96          mask += w;
     97        }
     98      } else {
     99        for (int i = 0; i < h; ++i) {
    100          for (int j = 0; j < w; j += 8) {
    101            __m128i s0 = _mm_loadu_si128((const __m128i *)&ssrc0[j]);
    102            __m128i s1 = _mm_loadu_si128((const __m128i *)&ssrc1[j]);
    103            __m128i diff =
    104                _mm_sra_epi16(_mm_abs_epi16(_mm_sub_epi16(s0, s1)), xshift);
    105            __m128i m = _mm_min_epi16(
    106                _mm_max_epi16(x0, _mm_add_epi16(diff, xmask_base)),
    107                xAOM_BLEND_A64_MAX_ALPHA);
    108            m = _mm_packus_epi16(m, m);
    109            _mm_storel_epi64((__m128i *)&mask[j], m);
    110          }
    111          ssrc0 += src0_stride;
    112          ssrc1 += src1_stride;
    113          mask += w;
    114        }
    115      }
    116    }
    117  }
    118 }
    119 
    120 #endif  // CONFIG_AV1_HIGHBITDEPTH