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highbd_txfm_utility_sse4.h (5597B)


      1 /*
      2 * Copyright (c) 2016, 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_AV1_COMMON_X86_HIGHBD_TXFM_UTILITY_SSE4_H_
     13 #define AOM_AV1_COMMON_X86_HIGHBD_TXFM_UTILITY_SSE4_H_
     14 
     15 #include <smmintrin.h> /* SSE4.1 */
     16 
     17 #define TRANSPOSE_4X4(x0, x1, x2, x3, y0, y1, y2, y3) \
     18  do {                                                \
     19    __m128i u0, u1, u2, u3;                           \
     20    u0 = _mm_unpacklo_epi32(x0, x1);                  \
     21    u1 = _mm_unpackhi_epi32(x0, x1);                  \
     22    u2 = _mm_unpacklo_epi32(x2, x3);                  \
     23    u3 = _mm_unpackhi_epi32(x2, x3);                  \
     24    y0 = _mm_unpacklo_epi64(u0, u2);                  \
     25    y1 = _mm_unpackhi_epi64(u0, u2);                  \
     26    y2 = _mm_unpacklo_epi64(u1, u3);                  \
     27    y3 = _mm_unpackhi_epi64(u1, u3);                  \
     28  } while (0)
     29 
     30 static inline void transpose_8x8(const __m128i *in, __m128i *out) {
     31  TRANSPOSE_4X4(in[0], in[2], in[4], in[6], out[0], out[2], out[4], out[6]);
     32  TRANSPOSE_4X4(in[1], in[3], in[5], in[7], out[8], out[10], out[12], out[14]);
     33  TRANSPOSE_4X4(in[8], in[10], in[12], in[14], out[1], out[3], out[5], out[7]);
     34  TRANSPOSE_4X4(in[9], in[11], in[13], in[15], out[9], out[11], out[13],
     35                out[15]);
     36 }
     37 
     38 static inline void transpose_16x16(const __m128i *in, __m128i *out) {
     39  // Upper left 8x8
     40  TRANSPOSE_4X4(in[0], in[4], in[8], in[12], out[0], out[4], out[8], out[12]);
     41  TRANSPOSE_4X4(in[1], in[5], in[9], in[13], out[16], out[20], out[24],
     42                out[28]);
     43  TRANSPOSE_4X4(in[16], in[20], in[24], in[28], out[1], out[5], out[9],
     44                out[13]);
     45  TRANSPOSE_4X4(in[17], in[21], in[25], in[29], out[17], out[21], out[25],
     46                out[29]);
     47 
     48  // Upper right 8x8
     49  TRANSPOSE_4X4(in[2], in[6], in[10], in[14], out[32], out[36], out[40],
     50                out[44]);
     51  TRANSPOSE_4X4(in[3], in[7], in[11], in[15], out[48], out[52], out[56],
     52                out[60]);
     53  TRANSPOSE_4X4(in[18], in[22], in[26], in[30], out[33], out[37], out[41],
     54                out[45]);
     55  TRANSPOSE_4X4(in[19], in[23], in[27], in[31], out[49], out[53], out[57],
     56                out[61]);
     57 
     58  // Lower left 8x8
     59  TRANSPOSE_4X4(in[32], in[36], in[40], in[44], out[2], out[6], out[10],
     60                out[14]);
     61  TRANSPOSE_4X4(in[33], in[37], in[41], in[45], out[18], out[22], out[26],
     62                out[30]);
     63  TRANSPOSE_4X4(in[48], in[52], in[56], in[60], out[3], out[7], out[11],
     64                out[15]);
     65  TRANSPOSE_4X4(in[49], in[53], in[57], in[61], out[19], out[23], out[27],
     66                out[31]);
     67  // Lower right 8x8
     68  TRANSPOSE_4X4(in[34], in[38], in[42], in[46], out[34], out[38], out[42],
     69                out[46]);
     70  TRANSPOSE_4X4(in[35], in[39], in[43], in[47], out[50], out[54], out[58],
     71                out[62]);
     72  TRANSPOSE_4X4(in[50], in[54], in[58], in[62], out[35], out[39], out[43],
     73                out[47]);
     74  TRANSPOSE_4X4(in[51], in[55], in[59], in[63], out[51], out[55], out[59],
     75                out[63]);
     76 }
     77 
     78 static inline void transpose_8nx8n(const __m128i *input, __m128i *output,
     79                                   const int width, const int height) {
     80  const int numcol = height >> 2;
     81  const int numrow = width >> 2;
     82  for (int j = 0; j < numrow; j++) {
     83    for (int i = 0; i < numcol; i++) {
     84      TRANSPOSE_4X4(input[i * width + j + (numrow * 0)],
     85                    input[i * width + j + (numrow * 1)],
     86                    input[i * width + j + (numrow * 2)],
     87                    input[i * width + j + (numrow * 3)],
     88                    output[j * height + i + (numcol * 0)],
     89                    output[j * height + i + (numcol * 1)],
     90                    output[j * height + i + (numcol * 2)],
     91                    output[j * height + i + (numcol * 3)]);
     92    }
     93  }
     94 }
     95 
     96 // Note:
     97 //  rounding = 1 << (bit - 1)
     98 static inline __m128i half_btf_sse4_1(const __m128i *w0, const __m128i *n0,
     99                                      const __m128i *w1, const __m128i *n1,
    100                                      const __m128i *rounding, int bit) {
    101  __m128i x, y;
    102 
    103  x = _mm_mullo_epi32(*w0, *n0);
    104  y = _mm_mullo_epi32(*w1, *n1);
    105  x = _mm_add_epi32(x, y);
    106  x = _mm_add_epi32(x, *rounding);
    107  x = _mm_srai_epi32(x, bit);
    108  return x;
    109 }
    110 
    111 static inline __m128i half_btf_0_sse4_1(const __m128i *w0, const __m128i *n0,
    112                                        const __m128i *rounding, int bit) {
    113  __m128i x;
    114 
    115  x = _mm_mullo_epi32(*w0, *n0);
    116  x = _mm_add_epi32(x, *rounding);
    117  x = _mm_srai_epi32(x, bit);
    118  return x;
    119 }
    120 
    121 typedef void (*transform_1d_sse4_1)(__m128i *in, __m128i *out, int bit,
    122                                    int do_cols, int bd, int out_shift);
    123 
    124 typedef void (*fwd_transform_1d_sse4_1)(__m128i *in, __m128i *out, int bit,
    125                                        const int num_cols);
    126 
    127 void av1_highbd_inv_txfm2d_add_universe_sse4_1(const int32_t *input,
    128                                               uint8_t *output, int stride,
    129                                               TX_TYPE tx_type, TX_SIZE tx_size,
    130                                               int eob, const int bd);
    131 
    132 #endif  // AOM_AV1_COMMON_X86_HIGHBD_TXFM_UTILITY_SSE4_H_