Cheng Chen | cce312f | 2017-11-09 16:19:17 -0800 | [diff] [blame] | 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 | #include <smmintrin.h> |
| 13 | |
Tom Finegan | 44702c8 | 2018-05-22 13:00:39 -0700 | [diff] [blame] | 14 | #include "config/av1_rtcd.h" |
| 15 | |
Cheng Chen | cce312f | 2017-11-09 16:19:17 -0800 | [diff] [blame] | 16 | #include "av1/common/warped_motion.h" |
| 17 | |
Hien Ho | 830b897 | 2019-04-04 15:51:14 -0700 | [diff] [blame] | 18 | static const uint8_t warp_highbd_arrange_bytes[16] = { 0, 2, 4, 6, 8, 10, |
| 19 | 12, 14, 1, 3, 5, 7, |
| 20 | 9, 11, 13, 15 }; |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 21 | |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 22 | static const uint8_t highbd_shuffle_alpha0_mask0[16] = { |
| 23 | 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3 |
| 24 | }; |
| 25 | static const uint8_t highbd_shuffle_alpha0_mask1[16] = { |
| 26 | 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7 |
| 27 | }; |
Hien Ho | 830b897 | 2019-04-04 15:51:14 -0700 | [diff] [blame] | 28 | static const uint8_t highbd_shuffle_alpha0_mask2[16] = { 8, 9, 10, 11, 8, 9, |
| 29 | 10, 11, 8, 9, 10, 11, |
| 30 | 8, 9, 10, 11 }; |
| 31 | static const uint8_t highbd_shuffle_alpha0_mask3[16] = { 12, 13, 14, 15, 12, 13, |
| 32 | 14, 15, 12, 13, 14, 15, |
| 33 | 12, 13, 14, 15 }; |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 34 | |
| 35 | static INLINE void highbd_prepare_horizontal_filter_coeff(int alpha, int sx, |
| 36 | __m128i *coeff) { |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 37 | // Filter even-index pixels |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 38 | const __m128i tmp_0 = |
| 39 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 40 | ((sx + 0 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| 41 | const __m128i tmp_2 = |
| 42 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 43 | ((sx + 2 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| 44 | const __m128i tmp_4 = |
| 45 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 46 | ((sx + 4 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| 47 | const __m128i tmp_6 = |
| 48 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 49 | ((sx + 6 * alpha) >> WARPEDDIFF_PREC_BITS))); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 50 | |
| 51 | // coeffs 0 1 0 1 2 3 2 3 for pixels 0, 2 |
| 52 | const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); |
| 53 | // coeffs 0 1 0 1 2 3 2 3 for pixels 4, 6 |
| 54 | const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); |
| 55 | // coeffs 4 5 4 5 6 7 6 7 for pixels 0, 2 |
| 56 | const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); |
| 57 | // coeffs 4 5 4 5 6 7 6 7 for pixels 4, 6 |
| 58 | const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); |
| 59 | |
| 60 | // coeffs 0 1 0 1 0 1 0 1 for pixels 0, 2, 4, 6 |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 61 | coeff[0] = _mm_unpacklo_epi64(tmp_8, tmp_10); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 62 | // coeffs 2 3 2 3 2 3 2 3 for pixels 0, 2, 4, 6 |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 63 | coeff[2] = _mm_unpackhi_epi64(tmp_8, tmp_10); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 64 | // coeffs 4 5 4 5 4 5 4 5 for pixels 0, 2, 4, 6 |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 65 | coeff[4] = _mm_unpacklo_epi64(tmp_12, tmp_14); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 66 | // coeffs 6 7 6 7 6 7 6 7 for pixels 0, 2, 4, 6 |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 67 | coeff[6] = _mm_unpackhi_epi64(tmp_12, tmp_14); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 68 | |
| 69 | // Filter odd-index pixels |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 70 | const __m128i tmp_1 = |
| 71 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 72 | ((sx + 1 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| 73 | const __m128i tmp_3 = |
| 74 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 75 | ((sx + 3 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| 76 | const __m128i tmp_5 = |
| 77 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 78 | ((sx + 5 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| 79 | const __m128i tmp_7 = |
| 80 | _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| 81 | ((sx + 7 * alpha) >> WARPEDDIFF_PREC_BITS))); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 82 | |
| 83 | const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); |
| 84 | const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); |
| 85 | const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); |
| 86 | const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); |
| 87 | |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 88 | coeff[1] = _mm_unpacklo_epi64(tmp_9, tmp_11); |
| 89 | coeff[3] = _mm_unpackhi_epi64(tmp_9, tmp_11); |
| 90 | coeff[5] = _mm_unpacklo_epi64(tmp_13, tmp_15); |
| 91 | coeff[7] = _mm_unpackhi_epi64(tmp_13, tmp_15); |
| 92 | } |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 93 | |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 94 | static INLINE void highbd_prepare_horizontal_filter_coeff_alpha0( |
| 95 | int sx, __m128i *coeff) { |
| 96 | // Filter coeff |
| 97 | const __m128i tmp_0 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 98 | (__m128i *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 99 | |
| 100 | coeff[0] = _mm_shuffle_epi8( |
| 101 | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask0)); |
| 102 | coeff[2] = _mm_shuffle_epi8( |
| 103 | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask1)); |
| 104 | coeff[4] = _mm_shuffle_epi8( |
| 105 | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask2)); |
| 106 | coeff[6] = _mm_shuffle_epi8( |
| 107 | tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask3)); |
| 108 | |
| 109 | coeff[1] = coeff[0]; |
| 110 | coeff[3] = coeff[2]; |
| 111 | coeff[5] = coeff[4]; |
| 112 | coeff[7] = coeff[6]; |
| 113 | } |
| 114 | |
| 115 | static INLINE void highbd_filter_src_pixels( |
| 116 | const __m128i *src, const __m128i *src2, __m128i *tmp, __m128i *coeff, |
| 117 | const int offset_bits_horiz, const int reduce_bits_horiz, int k) { |
| 118 | const __m128i src_1 = *src; |
| 119 | const __m128i src2_1 = *src2; |
| 120 | |
| 121 | const __m128i round_const = _mm_set1_epi32((1 << offset_bits_horiz) + |
| 122 | ((1 << reduce_bits_horiz) >> 1)); |
| 123 | |
| 124 | const __m128i res_0 = _mm_madd_epi16(src_1, coeff[0]); |
| 125 | const __m128i res_2 = |
| 126 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 4), coeff[2]); |
| 127 | const __m128i res_4 = |
| 128 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 8), coeff[4]); |
| 129 | const __m128i res_6 = |
| 130 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 12), coeff[6]); |
| 131 | |
| 132 | __m128i res_even = |
| 133 | _mm_add_epi32(_mm_add_epi32(res_0, res_4), _mm_add_epi32(res_2, res_6)); |
| 134 | res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const), |
| 135 | _mm_cvtsi32_si128(reduce_bits_horiz)); |
| 136 | |
| 137 | const __m128i res_1 = |
| 138 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 2), coeff[1]); |
| 139 | const __m128i res_3 = |
| 140 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 6), coeff[3]); |
| 141 | const __m128i res_5 = |
| 142 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 10), coeff[5]); |
| 143 | const __m128i res_7 = |
| 144 | _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 14), coeff[7]); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 145 | |
| 146 | __m128i res_odd = |
| 147 | _mm_add_epi32(_mm_add_epi32(res_1, res_5), _mm_add_epi32(res_3, res_7)); |
| 148 | res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), |
| 149 | _mm_cvtsi32_si128(reduce_bits_horiz)); |
| 150 | |
| 151 | // Combine results into one register. |
| 152 | // We store the columns in the order 0, 2, 4, 6, 1, 3, 5, 7 |
| 153 | // as this order helps with the vertical filter. |
| 154 | tmp[k + 7] = _mm_packs_epi32(res_even, res_odd); |
| 155 | } |
| 156 | |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 157 | static INLINE void highbd_horiz_filter(const __m128i *src, const __m128i *src2, |
| 158 | __m128i *tmp, int sx, int alpha, int k, |
| 159 | const int offset_bits_horiz, |
| 160 | const int reduce_bits_horiz) { |
| 161 | __m128i coeff[8]; |
| 162 | highbd_prepare_horizontal_filter_coeff(alpha, sx, coeff); |
| 163 | highbd_filter_src_pixels(src, src2, tmp, coeff, offset_bits_horiz, |
| 164 | reduce_bits_horiz, k); |
| 165 | } |
| 166 | |
| 167 | static INLINE void highbd_warp_horizontal_filter_alpha0_beta0( |
| 168 | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| 169 | int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| 170 | const int offset_bits_horiz, const int reduce_bits_horiz) { |
| 171 | (void)beta; |
| 172 | (void)alpha; |
| 173 | int k; |
| 174 | |
| 175 | __m128i coeff[8]; |
| 176 | highbd_prepare_horizontal_filter_coeff_alpha0(sx4, coeff); |
| 177 | |
| 178 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 179 | int iy = iy4 + k; |
| 180 | if (iy < 0) |
| 181 | iy = 0; |
| 182 | else if (iy > height - 1) |
| 183 | iy = height - 1; |
| 184 | |
| 185 | // Load source pixels |
| 186 | const __m128i src = |
| 187 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| 188 | const __m128i src2 = |
| 189 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| 190 | highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, |
| 191 | reduce_bits_horiz, k); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | static INLINE void highbd_warp_horizontal_filter_alpha0( |
| 196 | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| 197 | int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| 198 | const int offset_bits_horiz, const int reduce_bits_horiz) { |
| 199 | (void)alpha; |
| 200 | int k; |
| 201 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 202 | int iy = iy4 + k; |
| 203 | if (iy < 0) |
| 204 | iy = 0; |
| 205 | else if (iy > height - 1) |
| 206 | iy = height - 1; |
| 207 | int sx = sx4 + beta * (k + 4); |
| 208 | |
| 209 | // Load source pixels |
| 210 | const __m128i src = |
| 211 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| 212 | const __m128i src2 = |
| 213 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| 214 | |
| 215 | __m128i coeff[8]; |
| 216 | highbd_prepare_horizontal_filter_coeff_alpha0(sx, coeff); |
| 217 | highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, |
| 218 | reduce_bits_horiz, k); |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | static INLINE void highbd_warp_horizontal_filter_beta0( |
| 223 | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| 224 | int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| 225 | const int offset_bits_horiz, const int reduce_bits_horiz) { |
| 226 | (void)beta; |
| 227 | int k; |
| 228 | __m128i coeff[8]; |
| 229 | highbd_prepare_horizontal_filter_coeff(alpha, sx4, coeff); |
| 230 | |
| 231 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 232 | int iy = iy4 + k; |
| 233 | if (iy < 0) |
| 234 | iy = 0; |
| 235 | else if (iy > height - 1) |
| 236 | iy = height - 1; |
| 237 | |
| 238 | // Load source pixels |
| 239 | const __m128i src = |
| 240 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| 241 | const __m128i src2 = |
| 242 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| 243 | highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, |
| 244 | reduce_bits_horiz, k); |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | static INLINE void highbd_warp_horizontal_filter( |
| 249 | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| 250 | int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| 251 | const int offset_bits_horiz, const int reduce_bits_horiz) { |
| 252 | int k; |
| 253 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 254 | int iy = iy4 + k; |
| 255 | if (iy < 0) |
| 256 | iy = 0; |
| 257 | else if (iy > height - 1) |
| 258 | iy = height - 1; |
| 259 | int sx = sx4 + beta * (k + 4); |
| 260 | |
| 261 | // Load source pixels |
| 262 | const __m128i src = |
| 263 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| 264 | const __m128i src2 = |
| 265 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| 266 | |
| 267 | highbd_horiz_filter(&src, &src2, tmp, sx, alpha, k, offset_bits_horiz, |
| 268 | reduce_bits_horiz); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | static INLINE void highbd_prepare_warp_horizontal_filter( |
| 273 | const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| 274 | int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| 275 | const int offset_bits_horiz, const int reduce_bits_horiz) { |
| 276 | if (alpha == 0 && beta == 0) |
| 277 | highbd_warp_horizontal_filter_alpha0_beta0( |
| 278 | ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, height, i, |
| 279 | offset_bits_horiz, reduce_bits_horiz); |
| 280 | |
| 281 | else if (alpha == 0 && beta != 0) |
| 282 | highbd_warp_horizontal_filter_alpha0(ref, tmp, stride, ix4, iy4, sx4, alpha, |
| 283 | beta, p_height, height, i, |
| 284 | offset_bits_horiz, reduce_bits_horiz); |
| 285 | |
| 286 | else if (alpha != 0 && beta == 0) |
| 287 | highbd_warp_horizontal_filter_beta0(ref, tmp, stride, ix4, iy4, sx4, alpha, |
| 288 | beta, p_height, height, i, |
| 289 | offset_bits_horiz, reduce_bits_horiz); |
| 290 | else |
| 291 | highbd_warp_horizontal_filter(ref, tmp, stride, ix4, iy4, sx4, alpha, beta, |
| 292 | p_height, height, i, offset_bits_horiz, |
| 293 | reduce_bits_horiz); |
| 294 | } |
| 295 | |
Cheng Chen | cce312f | 2017-11-09 16:19:17 -0800 | [diff] [blame] | 296 | void av1_highbd_warp_affine_sse4_1(const int32_t *mat, const uint16_t *ref, |
| 297 | int width, int height, int stride, |
| 298 | uint16_t *pred, int p_col, int p_row, |
| 299 | int p_width, int p_height, int p_stride, |
| 300 | int subsampling_x, int subsampling_y, int bd, |
| 301 | ConvolveParams *conv_params, int16_t alpha, |
| 302 | int16_t beta, int16_t gamma, int16_t delta) { |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 303 | __m128i tmp[15]; |
| 304 | int i, j, k; |
| 305 | const int reduce_bits_horiz = |
| 306 | conv_params->round_0 + |
| 307 | AOMMAX(bd + FILTER_BITS - conv_params->round_0 - 14, 0); |
| 308 | const int reduce_bits_vert = conv_params->is_compound |
| 309 | ? conv_params->round_1 |
| 310 | : 2 * FILTER_BITS - reduce_bits_horiz; |
| 311 | const int offset_bits_horiz = bd + FILTER_BITS - 1; |
| 312 | assert(IMPLIES(conv_params->is_compound, conv_params->dst != NULL)); |
| 313 | assert(!(bd == 12 && reduce_bits_horiz < 5)); |
Peng Bin | b0f64c5 | 2018-04-26 15:41:07 +0800 | [diff] [blame] | 314 | assert(IMPLIES(conv_params->do_average, conv_params->is_compound)); |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 315 | |
| 316 | const int offset_bits_vert = bd + 2 * FILTER_BITS - reduce_bits_horiz; |
| 317 | const __m128i clip_pixel = |
| 318 | _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| 319 | const __m128i reduce_bits_vert_shift = _mm_cvtsi32_si128(reduce_bits_vert); |
| 320 | const __m128i reduce_bits_vert_const = |
| 321 | _mm_set1_epi32(((1 << reduce_bits_vert) >> 1)); |
| 322 | const __m128i res_add_const = _mm_set1_epi32(1 << offset_bits_vert); |
| 323 | const int round_bits = |
| 324 | 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; |
| 325 | const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; |
| 326 | const __m128i res_sub_const = |
| 327 | _mm_set1_epi32(-(1 << (offset_bits - conv_params->round_1)) - |
| 328 | (1 << (offset_bits - conv_params->round_1 - 1))); |
| 329 | __m128i round_bits_shift = _mm_cvtsi32_si128(round_bits); |
| 330 | __m128i round_bits_const = _mm_set1_epi32(((1 << round_bits) >> 1)); |
| 331 | |
| 332 | const int w0 = conv_params->fwd_offset; |
| 333 | const int w1 = conv_params->bck_offset; |
| 334 | const __m128i wt0 = _mm_set1_epi32(w0); |
| 335 | const __m128i wt1 = _mm_set1_epi32(w1); |
| 336 | |
| 337 | /* Note: For this code to work, the left/right frame borders need to be |
| 338 | extended by at least 13 pixels each. By the time we get here, other |
| 339 | code will have set up this border, but we allow an explicit check |
| 340 | for debugging purposes. |
| 341 | */ |
| 342 | /*for (i = 0; i < height; ++i) { |
| 343 | for (j = 0; j < 13; ++j) { |
| 344 | assert(ref[i * stride - 13 + j] == ref[i * stride]); |
| 345 | assert(ref[i * stride + width + j] == ref[i * stride + (width - 1)]); |
| 346 | } |
| 347 | }*/ |
| 348 | |
| 349 | for (i = 0; i < p_height; i += 8) { |
| 350 | for (j = 0; j < p_width; j += 8) { |
| 351 | const int32_t src_x = (p_col + j + 4) << subsampling_x; |
| 352 | const int32_t src_y = (p_row + i + 4) << subsampling_y; |
Debargha Mukherjee | b761428 | 2021-10-20 23:37:58 -0700 | [diff] [blame] | 353 | const int64_t dst_x = |
| 354 | (int64_t)mat[2] * src_x + (int64_t)mat[3] * src_y + (int64_t)mat[0]; |
| 355 | const int64_t dst_y = |
| 356 | (int64_t)mat[4] * src_x + (int64_t)mat[5] * src_y + (int64_t)mat[1]; |
| 357 | const int64_t x4 = dst_x >> subsampling_x; |
| 358 | const int64_t y4 = dst_y >> subsampling_y; |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 359 | |
Debargha Mukherjee | b761428 | 2021-10-20 23:37:58 -0700 | [diff] [blame] | 360 | int32_t ix4 = (int32_t)(x4 >> WARPEDMODEL_PREC_BITS); |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 361 | int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); |
Debargha Mukherjee | b761428 | 2021-10-20 23:37:58 -0700 | [diff] [blame] | 362 | int32_t iy4 = (int32_t)(y4 >> WARPEDMODEL_PREC_BITS); |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 363 | int32_t sy4 = y4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); |
| 364 | |
| 365 | // Add in all the constant terms, including rounding and offset |
| 366 | sx4 += alpha * (-4) + beta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + |
| 367 | (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); |
| 368 | sy4 += gamma * (-4) + delta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + |
| 369 | (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); |
| 370 | |
| 371 | sx4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); |
| 372 | sy4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); |
| 373 | |
| 374 | // Horizontal filter |
| 375 | // If the block is aligned such that, after clamping, every sample |
| 376 | // would be taken from the leftmost/rightmost column, then we can |
| 377 | // skip the expensive horizontal filter. |
| 378 | if (ix4 <= -7) { |
| 379 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 380 | int iy = iy4 + k; |
| 381 | if (iy < 0) |
| 382 | iy = 0; |
| 383 | else if (iy > height - 1) |
| 384 | iy = height - 1; |
| 385 | tmp[k + 7] = _mm_set1_epi16( |
| 386 | (1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| 387 | ref[iy * stride] * (1 << (FILTER_BITS - reduce_bits_horiz))); |
| 388 | } |
| 389 | } else if (ix4 >= width + 6) { |
| 390 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 391 | int iy = iy4 + k; |
| 392 | if (iy < 0) |
| 393 | iy = 0; |
| 394 | else if (iy > height - 1) |
| 395 | iy = height - 1; |
| 396 | tmp[k + 7] = |
| 397 | _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| 398 | ref[iy * stride + (width - 1)] * |
| 399 | (1 << (FILTER_BITS - reduce_bits_horiz))); |
| 400 | } |
Ravi Chaudhary | c9b6225 | 2018-06-22 12:26:44 +0530 | [diff] [blame] | 401 | } else if (((ix4 - 7) < 0) || ((ix4 + 9) > width)) { |
| 402 | const int out_of_boundary_left = -(ix4 - 6); |
| 403 | const int out_of_boundary_right = (ix4 + 8) - width; |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 404 | |
| 405 | for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| 406 | int iy = iy4 + k; |
| 407 | if (iy < 0) |
| 408 | iy = 0; |
| 409 | else if (iy > height - 1) |
| 410 | iy = height - 1; |
| 411 | int sx = sx4 + beta * (k + 4); |
| 412 | |
| 413 | // Load source pixels |
| 414 | const __m128i src = |
| 415 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| 416 | const __m128i src2 = |
| 417 | _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| 418 | |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 419 | const __m128i src_01 = _mm_shuffle_epi8( |
| 420 | src, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); |
| 421 | const __m128i src2_01 = _mm_shuffle_epi8( |
| 422 | src2, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); |
| 423 | |
Ravi Chaudhary | c9b6225 | 2018-06-22 12:26:44 +0530 | [diff] [blame] | 424 | __m128i src_lo = _mm_unpacklo_epi64(src_01, src2_01); |
| 425 | __m128i src_hi = _mm_unpackhi_epi64(src_01, src2_01); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 426 | |
Ravi Chaudhary | c9b6225 | 2018-06-22 12:26:44 +0530 | [diff] [blame] | 427 | if (out_of_boundary_left >= 0) { |
| 428 | const __m128i shuffle_reg_left = |
| 429 | _mm_loadu_si128((__m128i *)warp_pad_left[out_of_boundary_left]); |
| 430 | src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_left); |
| 431 | src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_left); |
| 432 | } |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 433 | |
Ravi Chaudhary | c9b6225 | 2018-06-22 12:26:44 +0530 | [diff] [blame] | 434 | if (out_of_boundary_right >= 0) { |
| 435 | const __m128i shuffle_reg_right = _mm_loadu_si128( |
| 436 | (__m128i *)warp_pad_right[out_of_boundary_right]); |
| 437 | src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_right); |
| 438 | src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_right); |
| 439 | } |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 440 | |
Ravi Chaudhary | c9b6225 | 2018-06-22 12:26:44 +0530 | [diff] [blame] | 441 | const __m128i src_padded = _mm_unpacklo_epi8(src_lo, src_hi); |
| 442 | const __m128i src2_padded = _mm_unpackhi_epi8(src_lo, src_hi); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 443 | |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 444 | highbd_horiz_filter(&src_padded, &src2_padded, tmp, sx, alpha, k, |
| 445 | offset_bits_horiz, reduce_bits_horiz); |
Ravi Chaudhary | 8ff220c | 2018-05-09 16:42:19 +0530 | [diff] [blame] | 446 | } |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 447 | } else { |
Remya | 070a248 | 2018-08-22 17:18:39 +0530 | [diff] [blame] | 448 | highbd_prepare_warp_horizontal_filter( |
| 449 | ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, height, i, |
| 450 | offset_bits_horiz, reduce_bits_horiz); |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 451 | } |
| 452 | |
| 453 | // Vertical filter |
| 454 | for (k = -4; k < AOMMIN(4, p_height - i - 4); ++k) { |
| 455 | int sy = sy4 + delta * (k + 4); |
| 456 | |
| 457 | // Load from tmp and rearrange pairs of consecutive rows into the |
| 458 | // column order 0 0 2 2 4 4 6 6; 1 1 3 3 5 5 7 7 |
| 459 | const __m128i *src = tmp + (k + 4); |
| 460 | const __m128i src_0 = _mm_unpacklo_epi16(src[0], src[1]); |
| 461 | const __m128i src_2 = _mm_unpacklo_epi16(src[2], src[3]); |
| 462 | const __m128i src_4 = _mm_unpacklo_epi16(src[4], src[5]); |
| 463 | const __m128i src_6 = _mm_unpacklo_epi16(src[6], src[7]); |
| 464 | |
| 465 | // Filter even-index pixels |
| 466 | const __m128i tmp_0 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 467 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 468 | ((sy + 0 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 469 | const __m128i tmp_2 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 470 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 471 | ((sy + 2 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 472 | const __m128i tmp_4 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 473 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 474 | ((sy + 4 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 475 | const __m128i tmp_6 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 476 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 477 | ((sy + 6 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 478 | |
| 479 | const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); |
| 480 | const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); |
| 481 | const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); |
| 482 | const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); |
| 483 | |
| 484 | const __m128i coeff_0 = _mm_unpacklo_epi64(tmp_8, tmp_10); |
| 485 | const __m128i coeff_2 = _mm_unpackhi_epi64(tmp_8, tmp_10); |
| 486 | const __m128i coeff_4 = _mm_unpacklo_epi64(tmp_12, tmp_14); |
| 487 | const __m128i coeff_6 = _mm_unpackhi_epi64(tmp_12, tmp_14); |
| 488 | |
| 489 | const __m128i res_0 = _mm_madd_epi16(src_0, coeff_0); |
| 490 | const __m128i res_2 = _mm_madd_epi16(src_2, coeff_2); |
| 491 | const __m128i res_4 = _mm_madd_epi16(src_4, coeff_4); |
| 492 | const __m128i res_6 = _mm_madd_epi16(src_6, coeff_6); |
| 493 | |
| 494 | const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), |
| 495 | _mm_add_epi32(res_4, res_6)); |
| 496 | |
| 497 | // Filter odd-index pixels |
| 498 | const __m128i src_1 = _mm_unpackhi_epi16(src[0], src[1]); |
| 499 | const __m128i src_3 = _mm_unpackhi_epi16(src[2], src[3]); |
| 500 | const __m128i src_5 = _mm_unpackhi_epi16(src[4], src[5]); |
| 501 | const __m128i src_7 = _mm_unpackhi_epi16(src[6], src[7]); |
| 502 | |
| 503 | const __m128i tmp_1 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 504 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 505 | ((sy + 1 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 506 | const __m128i tmp_3 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 507 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 508 | ((sy + 3 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 509 | const __m128i tmp_5 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 510 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 511 | ((sy + 5 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 512 | const __m128i tmp_7 = _mm_loadu_si128( |
Yaowu Xu | 3a19b8a | 2019-05-01 08:40:42 -0700 | [diff] [blame] | 513 | (__m128i *)(av1_warped_filter + |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 514 | ((sy + 7 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| 515 | |
| 516 | const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); |
| 517 | const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); |
| 518 | const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); |
| 519 | const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); |
| 520 | |
| 521 | const __m128i coeff_1 = _mm_unpacklo_epi64(tmp_9, tmp_11); |
| 522 | const __m128i coeff_3 = _mm_unpackhi_epi64(tmp_9, tmp_11); |
| 523 | const __m128i coeff_5 = _mm_unpacklo_epi64(tmp_13, tmp_15); |
| 524 | const __m128i coeff_7 = _mm_unpackhi_epi64(tmp_13, tmp_15); |
| 525 | |
| 526 | const __m128i res_1 = _mm_madd_epi16(src_1, coeff_1); |
| 527 | const __m128i res_3 = _mm_madd_epi16(src_3, coeff_3); |
| 528 | const __m128i res_5 = _mm_madd_epi16(src_5, coeff_5); |
| 529 | const __m128i res_7 = _mm_madd_epi16(src_7, coeff_7); |
| 530 | |
| 531 | const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), |
| 532 | _mm_add_epi32(res_5, res_7)); |
| 533 | |
| 534 | // Rearrange pixels back into the order 0 ... 7 |
| 535 | __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); |
| 536 | __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); |
| 537 | |
| 538 | if (conv_params->is_compound) { |
| 539 | __m128i *const p = |
| 540 | (__m128i *)&conv_params |
| 541 | ->dst[(i + k + 4) * conv_params->dst_stride + j]; |
| 542 | res_lo = _mm_add_epi32(res_lo, res_add_const); |
| 543 | res_lo = _mm_sra_epi32(_mm_add_epi32(res_lo, reduce_bits_vert_const), |
| 544 | reduce_bits_vert_shift); |
| 545 | |
| 546 | if (conv_params->do_average) { |
| 547 | __m128i *const dst16 = (__m128i *)&pred[(i + k + 4) * p_stride + j]; |
| 548 | __m128i p_32 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p)); |
| 549 | |
Debargha Mukherjee | 7ac3eb1 | 2018-12-12 10:26:50 -0800 | [diff] [blame] | 550 | if (conv_params->use_dist_wtd_comp_avg) { |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 551 | res_lo = _mm_add_epi32(_mm_mullo_epi32(p_32, wt0), |
| 552 | _mm_mullo_epi32(res_lo, wt1)); |
| 553 | res_lo = _mm_srai_epi32(res_lo, DIST_PRECISION_BITS); |
| 554 | } else { |
| 555 | res_lo = _mm_srai_epi32(_mm_add_epi32(p_32, res_lo), 1); |
| 556 | } |
| 557 | |
| 558 | __m128i res32_lo = _mm_add_epi32(res_lo, res_sub_const); |
| 559 | res32_lo = _mm_sra_epi32(_mm_add_epi32(res32_lo, round_bits_const), |
| 560 | round_bits_shift); |
| 561 | |
| 562 | __m128i res16_lo = _mm_packus_epi32(res32_lo, res32_lo); |
| 563 | res16_lo = _mm_min_epi16(res16_lo, clip_pixel); |
| 564 | _mm_storel_epi64(dst16, res16_lo); |
| 565 | } else { |
| 566 | res_lo = _mm_packus_epi32(res_lo, res_lo); |
| 567 | _mm_storel_epi64(p, res_lo); |
| 568 | } |
| 569 | if (p_width > 4) { |
| 570 | __m128i *const p4 = |
| 571 | (__m128i *)&conv_params |
| 572 | ->dst[(i + k + 4) * conv_params->dst_stride + j + 4]; |
| 573 | |
| 574 | res_hi = _mm_add_epi32(res_hi, res_add_const); |
| 575 | res_hi = |
| 576 | _mm_sra_epi32(_mm_add_epi32(res_hi, reduce_bits_vert_const), |
| 577 | reduce_bits_vert_shift); |
| 578 | if (conv_params->do_average) { |
| 579 | __m128i *const dst16_4 = |
| 580 | (__m128i *)&pred[(i + k + 4) * p_stride + j + 4]; |
| 581 | __m128i p4_32 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p4)); |
| 582 | |
Debargha Mukherjee | 7ac3eb1 | 2018-12-12 10:26:50 -0800 | [diff] [blame] | 583 | if (conv_params->use_dist_wtd_comp_avg) { |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 584 | res_hi = _mm_add_epi32(_mm_mullo_epi32(p4_32, wt0), |
| 585 | _mm_mullo_epi32(res_hi, wt1)); |
| 586 | res_hi = _mm_srai_epi32(res_hi, DIST_PRECISION_BITS); |
| 587 | } else { |
| 588 | res_hi = _mm_srai_epi32(_mm_add_epi32(p4_32, res_hi), 1); |
| 589 | } |
| 590 | |
| 591 | __m128i res32_hi = _mm_add_epi32(res_hi, res_sub_const); |
| 592 | res32_hi = _mm_sra_epi32( |
| 593 | _mm_add_epi32(res32_hi, round_bits_const), round_bits_shift); |
| 594 | __m128i res16_hi = _mm_packus_epi32(res32_hi, res32_hi); |
| 595 | res16_hi = _mm_min_epi16(res16_hi, clip_pixel); |
| 596 | _mm_storel_epi64(dst16_4, res16_hi); |
| 597 | } else { |
| 598 | res_hi = _mm_packus_epi32(res_hi, res_hi); |
| 599 | _mm_storel_epi64(p4, res_hi); |
| 600 | } |
| 601 | } |
| 602 | } else { |
| 603 | // Round and pack into 8 bits |
| 604 | const __m128i round_const = |
| 605 | _mm_set1_epi32(-(1 << (bd + reduce_bits_vert - 1)) + |
| 606 | ((1 << reduce_bits_vert) >> 1)); |
| 607 | |
| 608 | const __m128i res_lo_round = _mm_srai_epi32( |
| 609 | _mm_add_epi32(res_lo, round_const), reduce_bits_vert); |
| 610 | const __m128i res_hi_round = _mm_srai_epi32( |
| 611 | _mm_add_epi32(res_hi, round_const), reduce_bits_vert); |
| 612 | |
| 613 | __m128i res_16bit = _mm_packs_epi32(res_lo_round, res_hi_round); |
| 614 | // Clamp res_16bit to the range [0, 2^bd - 1] |
| 615 | const __m128i max_val = _mm_set1_epi16((1 << bd) - 1); |
| 616 | const __m128i zero = _mm_setzero_si128(); |
| 617 | res_16bit = _mm_max_epi16(_mm_min_epi16(res_16bit, max_val), zero); |
| 618 | |
| 619 | // Store, blending with 'pred' if needed |
| 620 | __m128i *const p = (__m128i *)&pred[(i + k + 4) * p_stride + j]; |
| 621 | |
| 622 | // Note: If we're outputting a 4x4 block, we need to be very careful |
| 623 | // to only output 4 pixels at this point, to avoid encode/decode |
| 624 | // mismatches when encoding with multiple threads. |
| 625 | if (p_width == 4) { |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 626 | _mm_storel_epi64(p, res_16bit); |
| 627 | } else { |
Cherma Rajan A | a7be368 | 2018-03-20 10:00:51 +0530 | [diff] [blame] | 628 | _mm_storeu_si128(p, res_16bit); |
| 629 | } |
| 630 | } |
| 631 | } |
| 632 | } |
| 633 | } |
Cheng Chen | cce312f | 2017-11-09 16:19:17 -0800 | [diff] [blame] | 634 | } |