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blend_mask_sse4.h (9741B)


      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 #ifndef AOM_AOM_DSP_X86_BLEND_MASK_SSE4_H_
     13 #define AOM_AOM_DSP_X86_BLEND_MASK_SSE4_H_
     14 #include <smmintrin.h>  // SSE4.1
     15 
     16 #include <assert.h>
     17 
     18 #include "aom/aom_integer.h"
     19 #include "aom_ports/mem.h"
     20 #include "aom_dsp/aom_dsp_common.h"
     21 #include "aom_dsp/blend.h"
     22 
     23 #include "aom_dsp/x86/synonyms.h"
     24 
     25 #include "config/aom_dsp_rtcd.h"
     26 
     27 static inline void blend_a64_d16_mask_w4_sse41(
     28    uint8_t *dst, const CONV_BUF_TYPE *src0, const CONV_BUF_TYPE *src1,
     29    const __m128i *m, const __m128i *v_round_offset, const __m128i *v_maxval,
     30    int shift) {
     31  const __m128i max_minus_m = _mm_sub_epi16(*v_maxval, *m);
     32  const __m128i s0 = xx_loadl_64(src0);
     33  const __m128i s1 = xx_loadl_64(src1);
     34  const __m128i s0_s1 = _mm_unpacklo_epi16(s0, s1);
     35  const __m128i m_max_minus_m = _mm_unpacklo_epi16(*m, max_minus_m);
     36  const __m128i res_a = _mm_madd_epi16(s0_s1, m_max_minus_m);
     37  const __m128i res_c = _mm_sub_epi32(res_a, *v_round_offset);
     38  const __m128i res_d = _mm_srai_epi32(res_c, shift);
     39  const __m128i res_e = _mm_packs_epi32(res_d, res_d);
     40  const __m128i res = _mm_packus_epi16(res_e, res_e);
     41 
     42  xx_storel_32(dst, res);
     43 }
     44 
     45 static inline void blend_a64_d16_mask_w8_sse41(
     46    uint8_t *dst, const CONV_BUF_TYPE *src0, const CONV_BUF_TYPE *src1,
     47    const __m128i *m, const __m128i *v_round_offset, const __m128i *v_maxval,
     48    int shift) {
     49  const __m128i max_minus_m = _mm_sub_epi16(*v_maxval, *m);
     50  const __m128i s0 = xx_loadu_128(src0);
     51  const __m128i s1 = xx_loadu_128(src1);
     52  __m128i res_lo = _mm_madd_epi16(_mm_unpacklo_epi16(s0, s1),
     53                                  _mm_unpacklo_epi16(*m, max_minus_m));
     54  __m128i res_hi = _mm_madd_epi16(_mm_unpackhi_epi16(s0, s1),
     55                                  _mm_unpackhi_epi16(*m, max_minus_m));
     56  res_lo = _mm_srai_epi32(_mm_sub_epi32(res_lo, *v_round_offset), shift);
     57  res_hi = _mm_srai_epi32(_mm_sub_epi32(res_hi, *v_round_offset), shift);
     58  const __m128i res_e = _mm_packs_epi32(res_lo, res_hi);
     59  const __m128i res = _mm_packus_epi16(res_e, res_e);
     60 
     61  _mm_storel_epi64((__m128i *)(dst), res);
     62 }
     63 
     64 static inline void aom_lowbd_blend_a64_d16_mask_subw0_subh0_w4_sse4_1(
     65    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
     66    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
     67    const uint8_t *mask, uint32_t mask_stride, int h,
     68    const __m128i *round_offset, int shift) {
     69  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
     70  for (int i = 0; i < h; ++i) {
     71    const __m128i m0 = xx_loadl_32(mask);
     72    const __m128i m = _mm_cvtepu8_epi16(m0);
     73 
     74    blend_a64_d16_mask_w4_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
     75                                shift);
     76    mask += mask_stride;
     77    dst += dst_stride;
     78    src0 += src0_stride;
     79    src1 += src1_stride;
     80  }
     81 }
     82 
     83 static inline void aom_lowbd_blend_a64_d16_mask_subw0_subh0_w8_sse4_1(
     84    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
     85    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
     86    const uint8_t *mask, uint32_t mask_stride, int h,
     87    const __m128i *round_offset, int shift) {
     88  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
     89  for (int i = 0; i < h; ++i) {
     90    const __m128i m0 = xx_loadl_64(mask);
     91    const __m128i m = _mm_cvtepu8_epi16(m0);
     92    blend_a64_d16_mask_w8_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
     93                                shift);
     94    mask += mask_stride;
     95    dst += dst_stride;
     96    src0 += src0_stride;
     97    src1 += src1_stride;
     98  }
     99 }
    100 
    101 static inline void aom_lowbd_blend_a64_d16_mask_subw1_subh1_w4_sse4_1(
    102    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
    103    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
    104    const uint8_t *mask, uint32_t mask_stride, int h,
    105    const __m128i *round_offset, int shift) {
    106  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
    107  const __m128i one_b = _mm_set1_epi8(1);
    108  const __m128i two_w = _mm_set1_epi16(2);
    109  for (int i = 0; i < h; ++i) {
    110    const __m128i m_i0 = xx_loadl_64(mask);
    111    const __m128i m_i1 = xx_loadl_64(mask + mask_stride);
    112    const __m128i m_ac = _mm_adds_epu8(m_i0, m_i1);
    113    const __m128i m_acbd = _mm_maddubs_epi16(m_ac, one_b);
    114    const __m128i m_acbd_2 = _mm_add_epi16(m_acbd, two_w);
    115    const __m128i m = _mm_srli_epi16(m_acbd_2, 2);
    116 
    117    blend_a64_d16_mask_w4_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
    118                                shift);
    119    mask += mask_stride << 1;
    120    dst += dst_stride;
    121    src0 += src0_stride;
    122    src1 += src1_stride;
    123  }
    124 }
    125 
    126 static inline void aom_lowbd_blend_a64_d16_mask_subw1_subh1_w8_sse4_1(
    127    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
    128    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
    129    const uint8_t *mask, uint32_t mask_stride, int h,
    130    const __m128i *round_offset, int shift) {
    131  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
    132  const __m128i one_b = _mm_set1_epi8(1);
    133  const __m128i two_w = _mm_set1_epi16(2);
    134  for (int i = 0; i < h; ++i) {
    135    const __m128i m_i0 = xx_loadu_128(mask);
    136    const __m128i m_i1 = xx_loadu_128(mask + mask_stride);
    137    const __m128i m_ac = _mm_adds_epu8(m_i0, m_i1);
    138    const __m128i m_acbd = _mm_maddubs_epi16(m_ac, one_b);
    139    const __m128i m_acbd_2 = _mm_add_epi16(m_acbd, two_w);
    140    const __m128i m = _mm_srli_epi16(m_acbd_2, 2);
    141 
    142    blend_a64_d16_mask_w8_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
    143                                shift);
    144    mask += mask_stride << 1;
    145    dst += dst_stride;
    146    src0 += src0_stride;
    147    src1 += src1_stride;
    148  }
    149 }
    150 
    151 static inline void aom_lowbd_blend_a64_d16_mask_subw1_subh0_w4_sse4_1(
    152    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
    153    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
    154    const uint8_t *mask, uint32_t mask_stride, int h,
    155    const __m128i *round_offset, int shift) {
    156  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
    157  const __m128i one_b = _mm_set1_epi8(1);
    158  const __m128i zeros = _mm_setzero_si128();
    159  for (int i = 0; i < h; ++i) {
    160    const __m128i m_i0 = xx_loadl_64(mask);
    161    const __m128i m_ac = _mm_maddubs_epi16(m_i0, one_b);
    162    const __m128i m = _mm_avg_epu16(m_ac, zeros);
    163 
    164    blend_a64_d16_mask_w4_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
    165                                shift);
    166    mask += mask_stride;
    167    dst += dst_stride;
    168    src0 += src0_stride;
    169    src1 += src1_stride;
    170  }
    171 }
    172 
    173 static inline void aom_lowbd_blend_a64_d16_mask_subw1_subh0_w8_sse4_1(
    174    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
    175    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
    176    const uint8_t *mask, uint32_t mask_stride, int h,
    177    const __m128i *round_offset, int shift) {
    178  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
    179  const __m128i one_b = _mm_set1_epi8(1);
    180  const __m128i zeros = _mm_setzero_si128();
    181  for (int i = 0; i < h; ++i) {
    182    const __m128i m_i0 = xx_loadu_128(mask);
    183    const __m128i m_ac = _mm_maddubs_epi16(m_i0, one_b);
    184    const __m128i m = _mm_avg_epu16(m_ac, zeros);
    185 
    186    blend_a64_d16_mask_w8_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
    187                                shift);
    188    mask += mask_stride;
    189    dst += dst_stride;
    190    src0 += src0_stride;
    191    src1 += src1_stride;
    192  }
    193 }
    194 static inline void aom_lowbd_blend_a64_d16_mask_subw0_subh1_w4_sse4_1(
    195    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
    196    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
    197    const uint8_t *mask, uint32_t mask_stride, int h,
    198    const __m128i *round_offset, int shift) {
    199  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
    200  const __m128i zeros = _mm_setzero_si128();
    201  for (int i = 0; i < h; ++i) {
    202    const __m128i m_i0 = xx_loadl_64(mask);
    203    const __m128i m_i1 = xx_loadl_64(mask + mask_stride);
    204    const __m128i m_ac = _mm_adds_epu8(m_i0, m_i1);
    205    const __m128i m = _mm_cvtepu8_epi16(_mm_avg_epu8(m_ac, zeros));
    206 
    207    blend_a64_d16_mask_w4_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
    208                                shift);
    209    mask += mask_stride << 1;
    210    dst += dst_stride;
    211    src0 += src0_stride;
    212    src1 += src1_stride;
    213  }
    214 }
    215 
    216 static inline void aom_lowbd_blend_a64_d16_mask_subw0_subh1_w8_sse4_1(
    217    uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0,
    218    uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride,
    219    const uint8_t *mask, uint32_t mask_stride, int h,
    220    const __m128i *round_offset, int shift) {
    221  const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
    222  const __m128i zeros = _mm_setzero_si128();
    223  for (int i = 0; i < h; ++i) {
    224    const __m128i m_i0 = xx_loadl_64(mask);
    225    const __m128i m_i1 = xx_loadl_64(mask + mask_stride);
    226    const __m128i m_ac = _mm_adds_epu8(m_i0, m_i1);
    227    const __m128i m = _mm_cvtepu8_epi16(_mm_avg_epu8(m_ac, zeros));
    228 
    229    blend_a64_d16_mask_w8_sse41(dst, src0, src1, &m, round_offset, &v_maxval,
    230                                shift);
    231    mask += mask_stride << 1;
    232    dst += dst_stride;
    233    src0 += src0_stride;
    234    src1 += src1_stride;
    235  }
    236 }
    237 #endif  // AOM_AOM_DSP_X86_BLEND_MASK_SSE4_H_