| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #include <smmintrin.h> |
| |
| #include "config/av1_rtcd.h" |
| |
| #include "av1/common/warped_motion.h" |
| |
| static const uint8_t warp_highbd_arrange_bytes[16] = { 0, 2, 4, 6, 8, 10, |
| 12, 14, 1, 3, 5, 7, |
| 9, 11, 13, 15 }; |
| |
| static const uint8_t highbd_shuffle_alpha0_mask0[16] = { |
| 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3 |
| }; |
| static const uint8_t highbd_shuffle_alpha0_mask1[16] = { |
| 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7, 4, 5, 6, 7 |
| }; |
| static const uint8_t highbd_shuffle_alpha0_mask2[16] = { 8, 9, 10, 11, 8, 9, |
| 10, 11, 8, 9, 10, 11, |
| 8, 9, 10, 11 }; |
| static const uint8_t highbd_shuffle_alpha0_mask3[16] = { 12, 13, 14, 15, 12, 13, |
| 14, 15, 12, 13, 14, 15, |
| 12, 13, 14, 15 }; |
| |
| static INLINE void highbd_prepare_horizontal_filter_coeff(int alpha, int sx, |
| __m128i *coeff) { |
| // Filter even-index pixels |
| const __m128i tmp_0 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 0 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_2 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 2 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_4 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 4 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_6 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 6 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| |
| // coeffs 0 1 0 1 2 3 2 3 for pixels 0, 2 |
| const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); |
| // coeffs 0 1 0 1 2 3 2 3 for pixels 4, 6 |
| const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); |
| // coeffs 4 5 4 5 6 7 6 7 for pixels 0, 2 |
| const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); |
| // coeffs 4 5 4 5 6 7 6 7 for pixels 4, 6 |
| const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); |
| |
| // coeffs 0 1 0 1 0 1 0 1 for pixels 0, 2, 4, 6 |
| coeff[0] = _mm_unpacklo_epi64(tmp_8, tmp_10); |
| // coeffs 2 3 2 3 2 3 2 3 for pixels 0, 2, 4, 6 |
| coeff[2] = _mm_unpackhi_epi64(tmp_8, tmp_10); |
| // coeffs 4 5 4 5 4 5 4 5 for pixels 0, 2, 4, 6 |
| coeff[4] = _mm_unpacklo_epi64(tmp_12, tmp_14); |
| // coeffs 6 7 6 7 6 7 6 7 for pixels 0, 2, 4, 6 |
| coeff[6] = _mm_unpackhi_epi64(tmp_12, tmp_14); |
| |
| // Filter odd-index pixels |
| const __m128i tmp_1 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 1 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_3 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 3 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_5 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 5 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_7 = |
| _mm_loadu_si128((__m128i *)(av1_warped_filter + |
| ((sx + 7 * alpha) >> WARPEDDIFF_PREC_BITS))); |
| |
| const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); |
| const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); |
| const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); |
| const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); |
| |
| coeff[1] = _mm_unpacklo_epi64(tmp_9, tmp_11); |
| coeff[3] = _mm_unpackhi_epi64(tmp_9, tmp_11); |
| coeff[5] = _mm_unpacklo_epi64(tmp_13, tmp_15); |
| coeff[7] = _mm_unpackhi_epi64(tmp_13, tmp_15); |
| } |
| |
| static INLINE void highbd_prepare_horizontal_filter_coeff_alpha0( |
| int sx, __m128i *coeff) { |
| // Filter coeff |
| const __m128i tmp_0 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + (sx >> WARPEDDIFF_PREC_BITS))); |
| |
| coeff[0] = _mm_shuffle_epi8( |
| tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask0)); |
| coeff[2] = _mm_shuffle_epi8( |
| tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask1)); |
| coeff[4] = _mm_shuffle_epi8( |
| tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask2)); |
| coeff[6] = _mm_shuffle_epi8( |
| tmp_0, _mm_loadu_si128((__m128i *)highbd_shuffle_alpha0_mask3)); |
| |
| coeff[1] = coeff[0]; |
| coeff[3] = coeff[2]; |
| coeff[5] = coeff[4]; |
| coeff[7] = coeff[6]; |
| } |
| |
| static INLINE void highbd_filter_src_pixels( |
| const __m128i *src, const __m128i *src2, __m128i *tmp, __m128i *coeff, |
| const int offset_bits_horiz, const int reduce_bits_horiz, int k) { |
| const __m128i src_1 = *src; |
| const __m128i src2_1 = *src2; |
| |
| const __m128i round_const = _mm_set1_epi32((1 << offset_bits_horiz) + |
| ((1 << reduce_bits_horiz) >> 1)); |
| |
| const __m128i res_0 = _mm_madd_epi16(src_1, coeff[0]); |
| const __m128i res_2 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 4), coeff[2]); |
| const __m128i res_4 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 8), coeff[4]); |
| const __m128i res_6 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 12), coeff[6]); |
| |
| __m128i res_even = |
| _mm_add_epi32(_mm_add_epi32(res_0, res_4), _mm_add_epi32(res_2, res_6)); |
| res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const), |
| _mm_cvtsi32_si128(reduce_bits_horiz)); |
| |
| const __m128i res_1 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 2), coeff[1]); |
| const __m128i res_3 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 6), coeff[3]); |
| const __m128i res_5 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 10), coeff[5]); |
| const __m128i res_7 = |
| _mm_madd_epi16(_mm_alignr_epi8(src2_1, src_1, 14), coeff[7]); |
| |
| __m128i res_odd = |
| _mm_add_epi32(_mm_add_epi32(res_1, res_5), _mm_add_epi32(res_3, res_7)); |
| res_odd = _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), |
| _mm_cvtsi32_si128(reduce_bits_horiz)); |
| |
| // Combine results into one register. |
| // We store the columns in the order 0, 2, 4, 6, 1, 3, 5, 7 |
| // as this order helps with the vertical filter. |
| tmp[k + 7] = _mm_packs_epi32(res_even, res_odd); |
| } |
| |
| static INLINE void highbd_horiz_filter(const __m128i *src, const __m128i *src2, |
| __m128i *tmp, int sx, int alpha, int k, |
| const int offset_bits_horiz, |
| const int reduce_bits_horiz) { |
| __m128i coeff[8]; |
| highbd_prepare_horizontal_filter_coeff(alpha, sx, coeff); |
| highbd_filter_src_pixels(src, src2, tmp, coeff, offset_bits_horiz, |
| reduce_bits_horiz, k); |
| } |
| |
| static INLINE void highbd_warp_horizontal_filter_alpha0_beta0( |
| const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| const int offset_bits_horiz, const int reduce_bits_horiz) { |
| (void)beta; |
| (void)alpha; |
| int k; |
| |
| __m128i coeff[8]; |
| highbd_prepare_horizontal_filter_coeff_alpha0(sx4, coeff); |
| |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| int iy = iy4 + k; |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| |
| // Load source pixels |
| const __m128i src = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| const __m128i src2 = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, |
| reduce_bits_horiz, k); |
| } |
| } |
| |
| static INLINE void highbd_warp_horizontal_filter_alpha0( |
| const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| const int offset_bits_horiz, const int reduce_bits_horiz) { |
| (void)alpha; |
| int k; |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| int iy = iy4 + k; |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| int sx = sx4 + beta * (k + 4); |
| |
| // Load source pixels |
| const __m128i src = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| const __m128i src2 = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| |
| __m128i coeff[8]; |
| highbd_prepare_horizontal_filter_coeff_alpha0(sx, coeff); |
| highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, |
| reduce_bits_horiz, k); |
| } |
| } |
| |
| static INLINE void highbd_warp_horizontal_filter_beta0( |
| const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| const int offset_bits_horiz, const int reduce_bits_horiz) { |
| (void)beta; |
| int k; |
| __m128i coeff[8]; |
| highbd_prepare_horizontal_filter_coeff(alpha, sx4, coeff); |
| |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| int iy = iy4 + k; |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| |
| // Load source pixels |
| const __m128i src = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| const __m128i src2 = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| highbd_filter_src_pixels(&src, &src2, tmp, coeff, offset_bits_horiz, |
| reduce_bits_horiz, k); |
| } |
| } |
| |
| static INLINE void highbd_warp_horizontal_filter( |
| const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| const int offset_bits_horiz, const int reduce_bits_horiz) { |
| |
| int k; |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| int iy = iy4 + k; |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| int sx = sx4 + beta * (k + 4); |
| |
| // Load source pixels |
| const __m128i src = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| const __m128i src2 = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| |
| highbd_horiz_filter(&src, &src2, tmp, sx, alpha, k, offset_bits_horiz, |
| reduce_bits_horiz); |
| } |
| } |
| |
| static INLINE void highbd_prepare_warp_horizontal_filter( |
| const uint16_t *ref, __m128i *tmp, int stride, int32_t ix4, int32_t iy4, |
| int32_t sx4, int alpha, int beta, int p_height, int height, int i, |
| const int offset_bits_horiz, const int reduce_bits_horiz) { |
| |
| if (alpha == 0 && beta == 0) |
| highbd_warp_horizontal_filter_alpha0_beta0( |
| ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, height, i, |
| offset_bits_horiz, reduce_bits_horiz); |
| |
| else if (alpha == 0 && beta != 0) |
| highbd_warp_horizontal_filter_alpha0(ref, tmp, stride, ix4, iy4, sx4, alpha, |
| beta, p_height, height, i, |
| offset_bits_horiz, reduce_bits_horiz); |
| |
| else if (alpha != 0 && beta == 0) |
| highbd_warp_horizontal_filter_beta0(ref, tmp, stride, ix4, iy4, sx4, alpha, |
| beta, p_height, height, i, |
| offset_bits_horiz, reduce_bits_horiz); |
| else |
| highbd_warp_horizontal_filter(ref, tmp, stride, ix4, iy4, sx4, alpha, beta, |
| p_height, height, i, offset_bits_horiz, |
| reduce_bits_horiz); |
| } |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| static __m128i strided_load_2x(const uint16_t *const src) { |
| |
| __m128i control = _mm_setr_epi8(0, 1, 4, 5, |
| 8, 9, 12, 13, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| // Load the first 8 values and de-interleave into the lowest 64 bits of data0 |
| __m128i data0 = _mm_loadu_si128((__m128i *)src ); |
| __m128i data1 = _mm_shuffle_epi8( data0, control ); |
| |
| // Load the second 8 values and de-interleave in the lowest 64 bits of data2 |
| __m128i data2 = _mm_loadu_si128((__m128i *)src+1 ); |
| __m128i data3 = _mm_shuffle_epi8( data2, control ); |
| |
| // Combine the results |
| __m128i data4 = _mm_unpacklo_epi64( data1, data3); |
| |
| return data4; |
| |
| } |
| |
| static __m128i strided_load_3x(const uint16_t *const src) { |
| |
| //[*0 1 2 *3 4 5 *6 7][8 *9 10 11 *12 13 14 *15][16 17 *18 19 20 *21 22 23] |
| |
| // Load data from the first 8 values and store in their correct location |
| const __m128i control0 = _mm_setr_epi8(0, 1, 6, 7, |
| 12, 13, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| const __m128i data0 = _mm_loadu_si128((__m128i *)src ); |
| const __m128i data1 = _mm_shuffle_epi8( data0, control0 ); |
| |
| // Load data from the first 8 values and store in their correct location |
| const __m128i control1 = _mm_setr_epi8(0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 2, 3, |
| 8, 9, 14, 15, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| const __m128i data2 = _mm_loadu_si128((__m128i *)src+1 ); |
| const __m128i data3 = _mm_shuffle_epi8( data2, control1 ); |
| |
| // Load data from the first 8 values and store in their correct location |
| const __m128i control2 = _mm_setr_epi8(0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, |
| 4, 5, 10, 11 ); |
| |
| const __m128i data4 = _mm_loadu_si128((__m128i *)src+2 ); |
| const __m128i data5 = _mm_shuffle_epi8( data4, control2 ); |
| |
| // Combine the results |
| const __m128i data6 = _mm_blend_epi16(data1, data3, 0b00111000); |
| const __m128i data7 = _mm_blend_epi16(data6, data5, 0b11000000); |
| |
| return data7; |
| } |
| |
| static __m128i strided_load_4x(const uint16_t *const src) { |
| |
| const __m128i control0 = _mm_setr_epi8(0, 1, 8, 9, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| const __m128i control1 = _mm_setr_epi8(0x80, 0x80, 0x80, 0x80, |
| 0, 1, 8, 9, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| |
| // Load the first 8 values and store the two desired values in the lowest 64 bits of data0 |
| const __m128i data0 = _mm_loadu_si128((__m128i *)src ); |
| const __m128i data1 = _mm_shuffle_epi8( data0, control0 ); |
| |
| // Load the second 8 values and store the two desired values in the lowest 64 bits of data2 |
| const __m128i data2 = _mm_loadu_si128((__m128i *)src+1 ); |
| const __m128i data3 = _mm_shuffle_epi8( data2, control1 ); |
| |
| // Load the third 8 values and store the two desired values in the lowest 64 bits of data2 |
| const __m128i data4 = _mm_loadu_si128((__m128i *)src+2 ); |
| const __m128i data5 = _mm_shuffle_epi8( data4, control0 ); |
| |
| // Load the fourth 8 values and store the two desired values in the lowest 64 bits of data2 |
| const __m128i data6 = _mm_loadu_si128((__m128i *)src+3 ); |
| const __m128i data7 = _mm_shuffle_epi8( data6, control1 ); |
| |
| // Combine the results |
| /* |
| const __m128i data8 = _mm_blend_epi16(data1, data3, 0b00001100); |
| const __m128i data9 = _mm_blend_epi16(data5, data7, 0b00001100); |
| const __m128i data10 = _mm_unpacklo_epi64( (__m128i)data8, (__m128i)data9); |
| */ |
| __m128i data8 = _mm_blend_epi16(data1, data3, 0b00001100); |
| __m128i data9 = _mm_blend_epi16(data5, data7, 0b00001100); |
| const __m128i data10 = _mm_unpacklo_epi64(data8, data9); |
| |
| return data10; |
| |
| } |
| |
| static __m128i strided_load_6x(const uint16_t *const src) { |
| |
| //[*0 1 2 3 4 5 *6 7][8 9 10 11 *12 13 14 15][16 17 *18 19 20 21 22 23]... |
| |
| // Load data from the first 8 values and store in their correct location |
| const __m128i control0 = _mm_setr_epi8(0, 1, 12, 13, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| const __m128i data0 = _mm_loadu_si128((__m128i *)src ); |
| const __m128i data1 = _mm_shuffle_epi8( data0, control0 ); |
| |
| // Load data from the second 8 values and store in their correct location |
| const __m128i control1 = _mm_setr_epi8(0x80, 0x80, 0x80, 0x80, |
| 8, 9, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| const __m128i data2 = _mm_loadu_si128((__m128i *)src+1 ); |
| const __m128i data3 = _mm_shuffle_epi8( data2, control1 ); |
| |
| // Load data from the third 8 values and store in their correct location |
| const __m128i control2 = _mm_setr_epi8(0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 4, 5, |
| 0x80, 0x80, 0x80, 0x80, |
| 0x80, 0x80, 0x80, 0x80 ); |
| |
| const __m128i data4 = _mm_loadu_si128((__m128i *)src+2 ); |
| const __m128i data5 = _mm_shuffle_epi8( data4, control2 ); |
| |
| // Combine the results |
| const __m128i data6 = _mm_blend_epi16(data1, data3, 0b00000100); |
| const __m128i data7 = _mm_blend_epi16(data6, data5, 0b00001000); |
| |
| // Load data from the four 8 values and store in the low bits |
| const __m128i data8 = _mm_shuffle_epi8( _mm_loadu_si128((__m128i *)src+3 ), control0 ); |
| |
| // Load data from the four 8 values and store in the low bits |
| const __m128i data9 = _mm_shuffle_epi8( _mm_loadu_si128((__m128i *)src+4 ), control1 ); |
| |
| // Load data from the four 8 values and store in the low bits |
| const __m128i data10 = _mm_shuffle_epi8( _mm_loadu_si128((__m128i *)src+5 ), control2 ); |
| |
| // Combine the results |
| const __m128i data11 = _mm_blend_epi16(data8, data9, 0b00000100); |
| const __m128i data12 = _mm_blend_epi16(data11, data10, 0b00001000); |
| const __m128i data13 = _mm_unpacklo_epi64( data7, data12); |
| |
| return data13; |
| |
| } |
| |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| //Note: This function is typically called twice to load a total |
| //of 16 elements. This would be more efficient to do in a single |
| //function, as there is some overlap between the data we are reading |
| //in the first and second call. |
| static __m128i interpolated_load_1_5x(const uint16_t *const src, |
| int first_sample_in_subpel, |
| int line_is_subpel, |
| int stride) { |
| |
| __m128i control0, control1; |
| |
| assert(first_sample_in_subpel < 2); |
| if( !first_sample_in_subpel){ |
| control0 = _mm_setr_epi8( 0, 1, 0, 1, 2, 3, 4, 5, |
| 6, 7, 6, 7, 8, 9, 10, 11); |
| |
| control1 = _mm_setr_epi8( 12, 13, 12, 13, 14, 15, 0, 1, |
| 2, 3, 2, 3, 4, 5, 6, 7); |
| } |
| else{ |
| |
| control0 = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 4, 5, |
| 6, 7, 8, 9, 10, 11, 10, 11); |
| |
| control1 = _mm_setr_epi8(12, 13, 14, 15, 0, 1, 0, 1, |
| 2, 3, 4, 5, 6, 7, 6, 7); |
| } |
| |
| // Load the first and second 8 values |
| __m128i data0 = _mm_loadu_si128((__m128i *)src ); |
| __m128i data1 = _mm_loadu_si128((__m128i *)src+1 ); |
| |
| // Perform vertical interpolation if needed |
| if(line_is_subpel) { |
| const __m128i data0_1 = _mm_loadu_si128((__m128i *)(src + stride) ); |
| const __m128i data1_1 = _mm_loadu_si128((__m128i *)(src + stride) + 1); |
| |
| data0 = _mm_add_epi16(data0, data0_1); |
| data1 = _mm_add_epi16( data1, data1_1); |
| } |
| |
| // Move the last two samples in data0 to data1. While the ordering is not |
| // correct yet, this will give us the first six samples in the first register |
| // and the second six samples in the second register |
| uint16_t dummy[8]; |
| _mm_storeu_si128( &dummy, data0); |
| |
| uint16_t dummy1[8]; |
| _mm_storeu_si128( &dummy1, data1); |
| |
| const __m128i data3 = _mm_blend_epi16(data0, data1, 0b00111111); |
| |
| _mm_storeu_si128( &dummy, data3); |
| |
| // Shuffle the values so that we have the six samples in each register |
| // correctly ordered, and with the collocated samples duplicated |
| const __m128i data4 = _mm_shuffle_epi8( data0, control0); |
| _mm_storeu_si128( &dummy, data4); |
| |
| const __m128i data5 = _mm_shuffle_epi8( data3, control1); |
| _mm_storeu_si128( &dummy, data5); |
| |
| // Horizontal add |
| const __m128i data6 = _mm_hadd_epi16(data4, data5); |
| _mm_storeu_si128( &dummy, data6); |
| |
| // Normalize with rounding |
| const __m128i data7 = _mm_add_epi16( data6, _mm_set1_epi16( line_is_subpel?2:1) ); |
| _mm_storeu_si128( &dummy, data7); |
| const __m128i data8 = _mm_srli_epi16( data7, line_is_subpel?2:1); |
| _mm_storeu_si128( &dummy, data8); |
| |
| return data8; |
| |
| } |
| #endif |
| #endif |
| |
| void av1_highbd_warp_affine_sse4_1(const int32_t *mat, const uint16_t *ref, |
| int width, int height, int stride, |
| uint16_t *pred, int p_col, int p_row, |
| int p_width, int p_height, int p_stride, |
| int subsampling_x, int subsampling_y, int bd, |
| ConvolveParams *conv_params, int16_t alpha, |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| int16_t beta, int16_t gamma, int16_t delta, |
| const int x_step_qn, const int y_step_qn) { |
| #else |
| int16_t beta, int16_t gamma, int16_t delta) { |
| #endif |
| |
| __m128i tmp[15]; |
| int i, j, k; |
| const int reduce_bits_horiz = |
| conv_params->round_0 + |
| AOMMAX(bd + FILTER_BITS - conv_params->round_0 - 14, 0); |
| const int reduce_bits_vert = conv_params->is_compound |
| ? conv_params->round_1 |
| : 2 * FILTER_BITS - reduce_bits_horiz; |
| const int offset_bits_horiz = bd + FILTER_BITS - 1; |
| assert(IMPLIES(conv_params->is_compound, conv_params->dst != NULL)); |
| assert(!(bd == 12 && reduce_bits_horiz < 5)); |
| assert(IMPLIES(conv_params->do_average, conv_params->is_compound)); |
| |
| const int offset_bits_vert = bd + 2 * FILTER_BITS - reduce_bits_horiz; |
| const __m128i clip_pixel = |
| _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m128i reduce_bits_vert_shift = _mm_cvtsi32_si128(reduce_bits_vert); |
| const __m128i reduce_bits_vert_const = |
| _mm_set1_epi32(((1 << reduce_bits_vert) >> 1)); |
| const __m128i res_add_const = _mm_set1_epi32(1 << offset_bits_vert); |
| const int round_bits = |
| 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; |
| const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; |
| const __m128i res_sub_const = |
| _mm_set1_epi32(-(1 << (offset_bits - conv_params->round_1)) - |
| (1 << (offset_bits - conv_params->round_1 - 1))); |
| __m128i round_bits_shift = _mm_cvtsi32_si128(round_bits); |
| __m128i round_bits_const = _mm_set1_epi32(((1 << round_bits) >> 1)); |
| |
| const int w0 = conv_params->fwd_offset; |
| const int w1 = conv_params->bck_offset; |
| const __m128i wt0 = _mm_set1_epi32(w0); |
| const __m128i wt1 = _mm_set1_epi32(w1); |
| const int use_wtd_comp_avg = is_uneven_wtd_comp_avg(conv_params); |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| // Determine our stride |
| #if !CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| assert(x_step_qn == y_step_qn); |
| #endif |
| const int x_conv_stride = x_step_qn >> SCALE_SUBPEL_BITS; |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| const int mode_1_5x_flag = ( x_step_qn + ( 1 << (SCALE_SUBPEL_BITS - 2 ) ) ) >> (SCALE_SUBPEL_BITS -1 ) == 3 ? 1 : 0; |
| #endif |
| #endif |
| |
| /* Note: For this code to work, the left/right frame borders need to be |
| extended by at least 13 pixels each. By the time we get here, other |
| code will have set up this border, but we allow an explicit check |
| for debugging purposes. |
| */ |
| /*for (i = 0; i < height; ++i) { |
| for (j = 0; j < 13; ++j) { |
| assert(ref[i * stride - 13 + j] == ref[i * stride]); |
| assert(ref[i * stride + width + j] == ref[i * stride + (width - 1)]); |
| } |
| }*/ |
| |
| for (i = 0; i < p_height; i += 8) { |
| for (j = 0; j < p_width; j += 8) { |
| const int32_t src_x = (p_col + j + 4) << subsampling_x; |
| const int32_t src_y = (p_row + i + 4) << subsampling_y; |
| const int32_t dst_x = mat[2] * src_x + mat[3] * src_y + mat[0]; |
| const int32_t dst_y = mat[4] * src_x + mat[5] * src_y + mat[1]; |
| const int32_t x4 = dst_x >> subsampling_x; |
| const int32_t y4 = dst_y >> subsampling_y; |
| |
| int32_t ix4 = x4 >> WARPEDMODEL_PREC_BITS; |
| int32_t sx4 = x4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); |
| int32_t iy4 = y4 >> WARPEDMODEL_PREC_BITS; |
| int32_t sy4 = y4 & ((1 << WARPEDMODEL_PREC_BITS) - 1); |
| |
| // Add in all the constant terms, including rounding and offset |
| sx4 += alpha * (-4) + beta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + |
| (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); |
| sy4 += gamma * (-4) + delta * (-4) + (1 << (WARPEDDIFF_PREC_BITS - 1)) + |
| (WARPEDPIXEL_PREC_SHIFTS << WARPEDDIFF_PREC_BITS); |
| |
| sx4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); |
| sy4 &= ~((1 << WARP_PARAM_REDUCE_BITS) - 1); |
| |
| // Horizontal filter |
| // If the block is aligned such that, after clamping, every sample |
| // would be taken from the leftmost/rightmost column, then we can |
| // skip the expensive horizontal filter. |
| if (ix4 <= -7) { |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| |
| int iy = iy4 + k; |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| // Converting iy from the current frame resolution |
| // to the reference frame resolution. For an integer |
| // relationship, this results in a strided operation. |
| // Results are a bit undefined for non-integer factors. |
| // |
| // We chose not to covert ix4 above, since we would |
| // also need to convert the -7 value in this case. |
| // The end result would be unchanged. |
| iy = x_conv_stride * iy; |
| #endif |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| int src_iy = -1; |
| uint16_t value; |
| if( mode_1_5x_flag){ |
| |
| // Determine the line in the reference image that corresponds to the desired iy |
| src_iy = clamp(3 * (iy4 + k) / 2, 0, height - 1); |
| |
| //uint16_t value; |
| if(src_iy % 3 == 1 && src_iy < (height-1)) |
| value = ( ref[src_iy * stride] + ref[(src_iy+1) * stride] + 1 ) >> 1; |
| else |
| value = ref[src_iy * stride]; |
| |
| tmp[k + 7] = _mm_set1_epi16( |
| (1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| value * (1 << (FILTER_BITS - reduce_bits_horiz))); |
| } |
| else |
| tmp[k + 7] = _mm_set1_epi16( |
| (1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| ref[iy * stride] * (1 << (FILTER_BITS - reduce_bits_horiz))); |
| |
| #else |
| tmp[k + 7] = _mm_set1_epi16( |
| (1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| ref[iy * stride] * (1 << (FILTER_BITS - reduce_bits_horiz))); |
| #endif |
| } |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| } else if ( (ix4*x_conv_stride) >= ((width/x_conv_stride + 6) * x_conv_stride) && !mode_1_5x_flag) { |
| #else |
| } else if ( (ix4*x_conv_stride) >= width + (6*x_conv_stride) ) { |
| #endif |
| #else |
| } else if (ix4 >= width + 6) { |
| #endif |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| |
| int iy = iy4 + k; |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| // Converting iy from the current frame resolution |
| // to the reference frame resolution. For an integer |
| // relationship, this results in a strided operation. |
| // Results are a bit undefined for non-integer factors. |
| iy = x_conv_stride * iy; |
| #endif |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| tmp[k + 7] = |
| _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| ref[iy * stride + width - width%x_conv_stride - x_conv_stride] * |
| (1 << (FILTER_BITS - reduce_bits_horiz))); |
| } |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| } else if ( ( (3*ix4/2) >= 3*(2*width/3 + 6)/2 ) && mode_1_5x_flag) { |
| |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| |
| const int src_iy = clamp(3 * (iy4 + k) / 2, 0, height - 1); |
| const int sample_x = 3*(2*width/3 - 1) / 2; |
| |
| uint16_t value; |
| if(src_iy % 3 == 1 && sample_x % 3 == 1 && src_iy < (height-1)) |
| value = ( ref[src_iy * stride + sample_x] |
| + ref[src_iy * stride + sample_x + 1] |
| + ref[(src_iy+1) * stride + sample_x] |
| + ref[(src_iy+1) * stride + sample_x + 1] + 2 ) / 4; |
| else if(src_iy % 3 == 1) |
| value = ( ref[src_iy * stride + sample_x] |
| + ref[(src_iy+1) * stride + sample_x] + 1 ) / 2; |
| else if(sample_x % 3 == 1) |
| value = ( ref[src_iy * stride + sample_x] |
| + ref[src_iy * stride + sample_x + 1] + 1 ) / 2; |
| else |
| value = ref[src_iy * stride + sample_x]; |
| |
| tmp[k + 7] = |
| _mm_set1_epi16((1 << (bd + FILTER_BITS - reduce_bits_horiz - 1)) + |
| value * |
| (1 << (FILTER_BITS - reduce_bits_horiz))); |
| } |
| #endif |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP && !CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| // Always use the code below if the reference frame and current frame have |
| // different resolutions. |
| } else if ( ( ((ix4 - 7) < 0) || ((ix4 + 9) > width)) || x_conv_stride != 1 ){ |
| #elif CONFIG_2D_SR_SUBSAMPLE_FOR_WARP && CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| } else if ( ( ((ix4 - 7) < 0) || ((ix4 + 9) > width)) || x_conv_stride != 1 || mode_1_5x_flag){ |
| #else |
| } else if (((ix4 - 7) < 0) || ((ix4 + 9) > width)) { |
| #endif |
| const int out_of_boundary_left = -(ix4 - 6); |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP && ! CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| // The full resolution code may have an off-by-one error |
| const int out_of_boundary_right = (ix4 + 8) - width/x_conv_stride; |
| #elif CONFIG_2D_SR_SUBSAMPLE_FOR_WARP && CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| int out_of_boundary_right; |
| if( !mode_1_5x_flag) |
| out_of_boundary_right = (ix4 + 8) - width/x_conv_stride; |
| else |
| out_of_boundary_right = (ix4 + 8) - 2*width/3; |
| #else |
| const int out_of_boundary_right = (ix4 + 8) - width; |
| #endif |
| |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| // Converting ix4 from the current frame resolution |
| // to the reference frame resolution. For an integer |
| // relationship, this results in a strided operation. |
| // Results are a bit undefined for non-integer factors. |
| ix4 = x_conv_stride * ix4; |
| #endif |
| for (k = -7; k < AOMMIN(8, p_height - i); ++k) { |
| |
| int iy = iy4 + k; |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| // Converting iy from the current frame resolution |
| // to the reference frame resolution. For an integer |
| // relationship, this results in a strided operation. |
| // Results are a bit undefined for non-integer factors. |
| iy = x_conv_stride * iy; |
| |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| // Converting iy from the current frame resolution |
| // to the reference frame resolution when the sample |
| // factor is 1.5x. |
| if(mode_1_5x_flag) |
| iy = 3 * iy / 2; |
| #endif |
| #endif |
| if (iy < 0) |
| iy = 0; |
| else if (iy > height - 1) |
| iy = height - 1; |
| int sx = sx4 + beta * (k + 4); |
| |
| // Load source pixels |
| #if CONFIG_2D_SR_SUBSAMPLE_FOR_WARP |
| __m128i src, src2; |
| |
| #if CONFIG_2D_SR_1_5X_SUBSAMPLE_FOR_WARP |
| if(mode_1_5x_flag==1 && x_conv_stride==1) { |
| |
| // Compute 3 * (ix4 - 7) / 2 with rounding toward -infinity |
| int ix4_src = 3 * (ix4 - 7) / 2; |
| ix4_src -= (ix4_src%3==-1); |
| |
| src = interpolated_load_1_5x(ref + iy * stride + ix4_src, |
| ix4_src%3, iy%3==1, stride); |
| |
| src2 = interpolated_load_1_5x(ref + iy * stride + ix4_src + 12, |
| ix4_src%3, iy%3==1, stride); |
| } |
| else if(x_conv_stride==1) { |
| #else |
| if(x_conv_stride==1) { |
| #endif |
| src = _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| src2 = _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| } |
| else if(x_conv_stride==2 ) { |
| src = strided_load_2x(ref + iy * stride + ix4 - 7*2); |
| src2 = strided_load_2x(ref + iy * stride + ix4 + 1*2); |
| } |
| else if(x_conv_stride==3) { |
| src = strided_load_3x(ref + iy * stride + ix4 - 7*3); |
| src2 = strided_load_3x(ref + iy * stride + ix4 + 1*3); |
| } |
| else if(x_conv_stride==4) { |
| src = strided_load_4x(ref + iy * stride + ix4 - 7*4); |
| src2 = strided_load_4x(ref + iy * stride + ix4 + 1*4); |
| } |
| else if(x_conv_stride==6) { |
| src = strided_load_6x(ref + iy * stride + ix4 - 7*6); |
| src2 = strided_load_6x(ref + iy * stride + ix4 + 1*6); |
| } |
| else{ |
| assert(0); |
| } |
| #else |
| const __m128i src = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 - 7)); |
| const __m128i src2 = |
| _mm_loadu_si128((__m128i *)(ref + iy * stride + ix4 + 1)); |
| #endif |
| const __m128i src_01 = _mm_shuffle_epi8( |
| src, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); |
| const __m128i src2_01 = _mm_shuffle_epi8( |
| src2, _mm_loadu_si128((__m128i *)warp_highbd_arrange_bytes)); |
| |
| __m128i src_lo = _mm_unpacklo_epi64(src_01, src2_01); |
| __m128i src_hi = _mm_unpackhi_epi64(src_01, src2_01); |
| |
| if (out_of_boundary_left >= 0) { |
| const __m128i shuffle_reg_left = |
| _mm_loadu_si128((__m128i *)warp_pad_left[out_of_boundary_left]); |
| src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_left); |
| src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_left); |
| } |
| |
| if (out_of_boundary_right >= 0) { |
| const __m128i shuffle_reg_right = _mm_loadu_si128( |
| (__m128i *)warp_pad_right[out_of_boundary_right]); |
| src_lo = _mm_shuffle_epi8(src_lo, shuffle_reg_right); |
| src_hi = _mm_shuffle_epi8(src_hi, shuffle_reg_right); |
| } |
| |
| const __m128i src_padded = _mm_unpacklo_epi8(src_lo, src_hi); |
| const __m128i src2_padded = _mm_unpackhi_epi8(src_lo, src_hi); |
| |
| highbd_horiz_filter(&src_padded, &src2_padded, tmp, sx, alpha, k, |
| offset_bits_horiz, reduce_bits_horiz); |
| } |
| } else { |
| highbd_prepare_warp_horizontal_filter( |
| ref, tmp, stride, ix4, iy4, sx4, alpha, beta, p_height, height, i, |
| offset_bits_horiz, reduce_bits_horiz); |
| } |
| |
| // Vertical filter |
| for (k = -4; k < AOMMIN(4, p_height - i - 4); ++k) { |
| int sy = sy4 + delta * (k + 4); |
| |
| // Load from tmp and rearrange pairs of consecutive rows into the |
| // column order 0 0 2 2 4 4 6 6; 1 1 3 3 5 5 7 7 |
| const __m128i *src = tmp + (k + 4); |
| const __m128i src_0 = _mm_unpacklo_epi16(src[0], src[1]); |
| const __m128i src_2 = _mm_unpacklo_epi16(src[2], src[3]); |
| const __m128i src_4 = _mm_unpacklo_epi16(src[4], src[5]); |
| const __m128i src_6 = _mm_unpacklo_epi16(src[6], src[7]); |
| |
| // Filter even-index pixels |
| const __m128i tmp_0 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 0 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_2 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 2 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_4 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 4 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_6 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 6 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| |
| const __m128i tmp_8 = _mm_unpacklo_epi32(tmp_0, tmp_2); |
| const __m128i tmp_10 = _mm_unpacklo_epi32(tmp_4, tmp_6); |
| const __m128i tmp_12 = _mm_unpackhi_epi32(tmp_0, tmp_2); |
| const __m128i tmp_14 = _mm_unpackhi_epi32(tmp_4, tmp_6); |
| |
| const __m128i coeff_0 = _mm_unpacklo_epi64(tmp_8, tmp_10); |
| const __m128i coeff_2 = _mm_unpackhi_epi64(tmp_8, tmp_10); |
| const __m128i coeff_4 = _mm_unpacklo_epi64(tmp_12, tmp_14); |
| const __m128i coeff_6 = _mm_unpackhi_epi64(tmp_12, tmp_14); |
| |
| const __m128i res_0 = _mm_madd_epi16(src_0, coeff_0); |
| const __m128i res_2 = _mm_madd_epi16(src_2, coeff_2); |
| const __m128i res_4 = _mm_madd_epi16(src_4, coeff_4); |
| const __m128i res_6 = _mm_madd_epi16(src_6, coeff_6); |
| |
| const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), |
| _mm_add_epi32(res_4, res_6)); |
| |
| // Filter odd-index pixels |
| const __m128i src_1 = _mm_unpackhi_epi16(src[0], src[1]); |
| const __m128i src_3 = _mm_unpackhi_epi16(src[2], src[3]); |
| const __m128i src_5 = _mm_unpackhi_epi16(src[4], src[5]); |
| const __m128i src_7 = _mm_unpackhi_epi16(src[6], src[7]); |
| |
| const __m128i tmp_1 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 1 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_3 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 3 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_5 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 5 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| const __m128i tmp_7 = _mm_loadu_si128( |
| (__m128i *)(av1_warped_filter + |
| ((sy + 7 * gamma) >> WARPEDDIFF_PREC_BITS))); |
| |
| const __m128i tmp_9 = _mm_unpacklo_epi32(tmp_1, tmp_3); |
| const __m128i tmp_11 = _mm_unpacklo_epi32(tmp_5, tmp_7); |
| const __m128i tmp_13 = _mm_unpackhi_epi32(tmp_1, tmp_3); |
| const __m128i tmp_15 = _mm_unpackhi_epi32(tmp_5, tmp_7); |
| |
| const __m128i coeff_1 = _mm_unpacklo_epi64(tmp_9, tmp_11); |
| const __m128i coeff_3 = _mm_unpackhi_epi64(tmp_9, tmp_11); |
| const __m128i coeff_5 = _mm_unpacklo_epi64(tmp_13, tmp_15); |
| const __m128i coeff_7 = _mm_unpackhi_epi64(tmp_13, tmp_15); |
| |
| const __m128i res_1 = _mm_madd_epi16(src_1, coeff_1); |
| const __m128i res_3 = _mm_madd_epi16(src_3, coeff_3); |
| const __m128i res_5 = _mm_madd_epi16(src_5, coeff_5); |
| const __m128i res_7 = _mm_madd_epi16(src_7, coeff_7); |
| |
| const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), |
| _mm_add_epi32(res_5, res_7)); |
| |
| // Rearrange pixels back into the order 0 ... 7 |
| __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); |
| __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); |
| |
| if (conv_params->is_compound) { |
| __m128i *const p = |
| (__m128i *)&conv_params |
| ->dst[(i + k + 4) * conv_params->dst_stride + j]; |
| res_lo = _mm_add_epi32(res_lo, res_add_const); |
| res_lo = _mm_sra_epi32(_mm_add_epi32(res_lo, reduce_bits_vert_const), |
| reduce_bits_vert_shift); |
| |
| if (conv_params->do_average) { |
| __m128i *const dst16 = (__m128i *)&pred[(i + k + 4) * p_stride + j]; |
| __m128i p_32 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p)); |
| |
| if (use_wtd_comp_avg) { |
| res_lo = _mm_add_epi32(_mm_mullo_epi32(p_32, wt0), |
| _mm_mullo_epi32(res_lo, wt1)); |
| res_lo = _mm_srai_epi32(res_lo, DIST_PRECISION_BITS); |
| } else { |
| res_lo = _mm_srai_epi32(_mm_add_epi32(p_32, res_lo), 1); |
| } |
| |
| __m128i res32_lo = _mm_add_epi32(res_lo, res_sub_const); |
| res32_lo = _mm_sra_epi32(_mm_add_epi32(res32_lo, round_bits_const), |
| round_bits_shift); |
| |
| __m128i res16_lo = _mm_packus_epi32(res32_lo, res32_lo); |
| res16_lo = _mm_min_epi16(res16_lo, clip_pixel); |
| _mm_storel_epi64(dst16, res16_lo); |
| } else { |
| res_lo = _mm_packus_epi32(res_lo, res_lo); |
| _mm_storel_epi64(p, res_lo); |
| } |
| if (p_width > 4) { |
| __m128i *const p4 = |
| (__m128i *)&conv_params |
| ->dst[(i + k + 4) * conv_params->dst_stride + j + 4]; |
| |
| res_hi = _mm_add_epi32(res_hi, res_add_const); |
| res_hi = |
| _mm_sra_epi32(_mm_add_epi32(res_hi, reduce_bits_vert_const), |
| reduce_bits_vert_shift); |
| if (conv_params->do_average) { |
| __m128i *const dst16_4 = |
| (__m128i *)&pred[(i + k + 4) * p_stride + j + 4]; |
| __m128i p4_32 = _mm_cvtepu16_epi32(_mm_loadl_epi64(p4)); |
| |
| if (use_wtd_comp_avg) { |
| res_hi = _mm_add_epi32(_mm_mullo_epi32(p4_32, wt0), |
| _mm_mullo_epi32(res_hi, wt1)); |
| res_hi = _mm_srai_epi32(res_hi, DIST_PRECISION_BITS); |
| } else { |
| res_hi = _mm_srai_epi32(_mm_add_epi32(p4_32, res_hi), 1); |
| } |
| |
| __m128i res32_hi = _mm_add_epi32(res_hi, res_sub_const); |
| res32_hi = _mm_sra_epi32( |
| _mm_add_epi32(res32_hi, round_bits_const), round_bits_shift); |
| __m128i res16_hi = _mm_packus_epi32(res32_hi, res32_hi); |
| res16_hi = _mm_min_epi16(res16_hi, clip_pixel); |
| _mm_storel_epi64(dst16_4, res16_hi); |
| } else { |
| res_hi = _mm_packus_epi32(res_hi, res_hi); |
| _mm_storel_epi64(p4, res_hi); |
| } |
| } |
| } else { |
| // Round and pack into 8 bits |
| const __m128i round_const = |
| _mm_set1_epi32(-(1 << (bd + reduce_bits_vert - 1)) + |
| ((1 << reduce_bits_vert) >> 1)); |
| |
| const __m128i res_lo_round = _mm_srai_epi32( |
| _mm_add_epi32(res_lo, round_const), reduce_bits_vert); |
| const __m128i res_hi_round = _mm_srai_epi32( |
| _mm_add_epi32(res_hi, round_const), reduce_bits_vert); |
| |
| __m128i res_16bit = _mm_packs_epi32(res_lo_round, res_hi_round); |
| // Clamp res_16bit to the range [0, 2^bd - 1] |
| const __m128i max_val = _mm_set1_epi16((1 << bd) - 1); |
| const __m128i zero = _mm_setzero_si128(); |
| res_16bit = _mm_max_epi16(_mm_min_epi16(res_16bit, max_val), zero); |
| |
| // Store, blending with 'pred' if needed |
| __m128i *const p = (__m128i *)&pred[(i + k + 4) * p_stride + j]; |
| |
| // Note: If we're outputting a 4x4 block, we need to be very careful |
| // to only output 4 pixels at this point, to avoid encode/decode |
| // mismatches when encoding with multiple threads. |
| if (p_width == 4) { |
| _mm_storel_epi64(p, res_16bit); |
| } else { |
| _mm_storeu_si128(p, res_16bit); |
| } |
| } |
| } |
| } |
| } |
| } |
