| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. |
| */ |
| |
| #include <tmmintrin.h> |
| #include <assert.h> |
| |
| #include "./aom_dsp_rtcd.h" |
| #include "aom_dsp/aom_convolve.h" |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_dsp/aom_filter.h" |
| #include "aom_dsp/x86/convolve_sse2.h" |
| #include "av1/common/convolve.h" |
| |
| void av1_highbd_convolve_2d_ssse3(const uint16_t *src, int src_stride, |
| uint16_t *dst0, int dst_stride0, int w, int h, |
| InterpFilterParams *filter_params_x, |
| InterpFilterParams *filter_params_y, |
| const int subpel_x_q4, const int subpel_y_q4, |
| ConvolveParams *conv_params, int bd) { |
| DECLARE_ALIGNED(16, int16_t, |
| im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]); |
| CONV_BUF_TYPE *dst = conv_params->dst; |
| int dst_stride = conv_params->dst_stride; |
| int im_h = h + filter_params_y->taps - 1; |
| int im_stride = MAX_SB_SIZE; |
| int i, j; |
| const int do_average = conv_params->do_average; |
| const int fo_vert = filter_params_y->taps / 2 - 1; |
| const int fo_horiz = filter_params_x->taps / 2 - 1; |
| const uint16_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; |
| (void)dst0; |
| (void)dst_stride0; |
| // Check that, even with 12-bit input, the intermediate values will fit |
| // into an unsigned 16-bit intermediate array. |
| assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16); |
| |
| /* Horizontal filter */ |
| { |
| const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( |
| *filter_params_x, subpel_x_q4 & SUBPEL_MASK); |
| const __m128i coeffs_x = _mm_loadu_si128((__m128i *)x_filter); |
| |
| // coeffs 0 1 0 1 2 3 2 3 |
| const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_x, coeffs_x); |
| // coeffs 4 5 4 5 6 7 6 7 |
| const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_x, coeffs_x); |
| |
| // coeffs 0 1 0 1 0 1 0 1 |
| const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); |
| // coeffs 2 3 2 3 2 3 2 3 |
| const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); |
| // coeffs 4 5 4 5 4 5 4 5 |
| const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); |
| // coeffs 6 7 6 7 6 7 6 7 |
| const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); |
| |
| const __m128i round_const = _mm_set1_epi32( |
| ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1))); |
| const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); |
| |
| for (i = 0; i < im_h; ++i) { |
| for (j = 0; j < w; j += 8) { |
| const __m128i data = |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); |
| const __m128i data2 = |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j + 8]); |
| |
| // Filter even-index pixels |
| const __m128i res_0 = _mm_madd_epi16(data, coeff_01); |
| const __m128i res_2 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 4), coeff_23); |
| const __m128i res_4 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 8), coeff_45); |
| const __m128i res_6 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 12), coeff_67); |
| |
| __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), round_shift); |
| |
| // Filter odd-index pixels |
| const __m128i res_1 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 2), coeff_01); |
| const __m128i res_3 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 6), coeff_23); |
| const __m128i res_5 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 10), coeff_45); |
| const __m128i res_7 = |
| _mm_madd_epi16(_mm_alignr_epi8(data2, data, 14), coeff_67); |
| |
| __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), round_shift); |
| |
| // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7 |
| __m128i res = _mm_packs_epi32(res_even, res_odd); |
| _mm_storeu_si128((__m128i *)&im_block[i * im_stride + j], res); |
| } |
| } |
| } |
| |
| /* Vertical filter */ |
| { |
| const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( |
| *filter_params_y, subpel_y_q4 & SUBPEL_MASK); |
| const __m128i coeffs_y = _mm_loadu_si128((__m128i *)y_filter); |
| |
| // coeffs 0 1 0 1 2 3 2 3 |
| const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_y, coeffs_y); |
| // coeffs 4 5 4 5 6 7 6 7 |
| const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_y, coeffs_y); |
| |
| // coeffs 0 1 0 1 0 1 0 1 |
| const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); |
| // coeffs 2 3 2 3 2 3 2 3 |
| const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); |
| // coeffs 4 5 4 5 4 5 4 5 |
| const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); |
| // coeffs 6 7 6 7 6 7 6 7 |
| const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); |
| |
| const __m128i round_const = _mm_set1_epi32( |
| ((1 << conv_params->round_1) >> 1) - |
| (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); |
| const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); |
| |
| for (i = 0; i < h; ++i) { |
| for (j = 0; j < w; j += 8) { |
| // Filter even-index pixels |
| const int16_t *data = &im_block[i * im_stride + j]; |
| const __m128i src_0 = |
| _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride), |
| *(__m128i *)(data + 1 * im_stride)); |
| const __m128i src_2 = |
| _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride), |
| *(__m128i *)(data + 3 * im_stride)); |
| const __m128i src_4 = |
| _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride), |
| *(__m128i *)(data + 5 * im_stride)); |
| const __m128i src_6 = |
| _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride), |
| *(__m128i *)(data + 7 * im_stride)); |
| |
| const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01); |
| const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); |
| const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); |
| const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); |
| |
| 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(*(__m128i *)(data + 0 * im_stride), |
| *(__m128i *)(data + 1 * im_stride)); |
| const __m128i src_3 = |
| _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride), |
| *(__m128i *)(data + 3 * im_stride)); |
| const __m128i src_5 = |
| _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride), |
| *(__m128i *)(data + 5 * im_stride)); |
| const __m128i src_7 = |
| _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride), |
| *(__m128i *)(data + 7 * im_stride)); |
| |
| const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); |
| const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); |
| const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); |
| const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); |
| |
| 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 |
| const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); |
| const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); |
| |
| const __m128i res_lo_round = |
| _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift); |
| const __m128i res_hi_round = |
| _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift); |
| |
| // Accumulate values into the destination buffer |
| __m128i *const p = (__m128i *)&dst[i * dst_stride + j]; |
| if (do_average) { |
| _mm_storeu_si128( |
| p + 0, |
| _mm_srai_epi32( |
| _mm_add_epi32(_mm_loadu_si128(p + 0), res_lo_round), 1)); |
| _mm_storeu_si128( |
| p + 1, |
| _mm_srai_epi32( |
| _mm_add_epi32(_mm_loadu_si128(p + 1), res_hi_round), 1)); |
| } else { |
| _mm_storeu_si128(p + 0, res_lo_round); |
| _mm_storeu_si128(p + 1, res_hi_round); |
| } |
| } |
| } |
| } |
| } |
| |
| void av1_highbd_convolve_2d_sr_ssse3(const uint16_t *src, int src_stride, |
| uint16_t *dst, int dst_stride, int w, |
| int h, InterpFilterParams *filter_params_x, |
| InterpFilterParams *filter_params_y, |
| const int subpel_x_q4, |
| const int subpel_y_q4, |
| ConvolveParams *conv_params, int bd) { |
| DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]); |
| int im_h = h + filter_params_y->taps - 1; |
| int im_stride = 8; |
| int i, j; |
| const int fo_vert = filter_params_y->taps / 2 - 1; |
| const int fo_horiz = filter_params_x->taps / 2 - 1; |
| const uint16_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; |
| |
| // Check that, even with 12-bit input, the intermediate values will fit |
| // into an unsigned 16-bit intermediate array. |
| assert(bd + FILTER_BITS + 2 - conv_params->round_0 <= 16); |
| __m128i coeffs_x[4], coeffs_y[4], s[16]; |
| |
| const __m128i round_const_x = _mm_set1_epi32( |
| ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1))); |
| const __m128i round_shift_x = _mm_cvtsi32_si128(conv_params->round_0); |
| |
| const __m128i round_const_y = |
| _mm_set1_epi32(((1 << conv_params->round_1) >> 1) - |
| (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); |
| const __m128i round_shift_y = _mm_cvtsi32_si128(conv_params->round_1); |
| |
| const int bits = |
| FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; |
| const __m128i round_shift_bits = _mm_cvtsi32_si128(bits); |
| const __m128i round_const_bits = _mm_set1_epi32((1 << bits) >> 1); |
| const __m128i clip_pixel = |
| _mm_set1_epi16(bd == 10 ? 1023 : (bd == 12 ? 4095 : 255)); |
| const __m128i zero = _mm_setzero_si128(); |
| |
| prepare_coeffs(filter_params_x, subpel_x_q4, coeffs_x); |
| prepare_coeffs(filter_params_y, subpel_y_q4, coeffs_y); |
| |
| for (j = 0; j < w; j += 8) { |
| /* Horizontal filter */ |
| { |
| for (i = 0; i < im_h; i += 1) { |
| const __m128i row00 = |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); |
| const __m128i row01 = |
| _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + (j + 8)]); |
| |
| // even pixels |
| s[0] = _mm_alignr_epi8(row01, row00, 0); |
| s[1] = _mm_alignr_epi8(row01, row00, 4); |
| s[2] = _mm_alignr_epi8(row01, row00, 8); |
| s[3] = _mm_alignr_epi8(row01, row00, 12); |
| |
| __m128i res_even = convolve(s, coeffs_x); |
| res_even = _mm_sra_epi32(_mm_add_epi32(res_even, round_const_x), |
| round_shift_x); |
| |
| // odd pixels |
| s[0] = _mm_alignr_epi8(row01, row00, 2); |
| s[1] = _mm_alignr_epi8(row01, row00, 6); |
| s[2] = _mm_alignr_epi8(row01, row00, 10); |
| s[3] = _mm_alignr_epi8(row01, row00, 14); |
| |
| __m128i res_odd = convolve(s, coeffs_x); |
| res_odd = |
| _mm_sra_epi32(_mm_add_epi32(res_odd, round_const_x), round_shift_x); |
| |
| __m128i res_even1 = _mm_packs_epi32(res_even, res_even); |
| __m128i res_odd1 = _mm_packs_epi32(res_odd, res_odd); |
| __m128i res = _mm_unpacklo_epi16(res_even1, res_odd1); |
| |
| _mm_store_si128((__m128i *)&im_block[i * im_stride], res); |
| } |
| } |
| /* Vertical filter */ |
| { |
| __m128i s0 = _mm_loadu_si128((__m128i *)(im_block + 0 * im_stride)); |
| __m128i s1 = _mm_loadu_si128((__m128i *)(im_block + 1 * im_stride)); |
| __m128i s2 = _mm_loadu_si128((__m128i *)(im_block + 2 * im_stride)); |
| __m128i s3 = _mm_loadu_si128((__m128i *)(im_block + 3 * im_stride)); |
| __m128i s4 = _mm_loadu_si128((__m128i *)(im_block + 4 * im_stride)); |
| __m128i s5 = _mm_loadu_si128((__m128i *)(im_block + 5 * im_stride)); |
| __m128i s6 = _mm_loadu_si128((__m128i *)(im_block + 6 * im_stride)); |
| |
| s[0] = _mm_unpacklo_epi16(s0, s1); |
| s[1] = _mm_unpacklo_epi16(s2, s3); |
| s[2] = _mm_unpacklo_epi16(s4, s5); |
| |
| s[4] = _mm_unpackhi_epi16(s0, s1); |
| s[5] = _mm_unpackhi_epi16(s2, s3); |
| s[6] = _mm_unpackhi_epi16(s4, s5); |
| |
| s[0 + 8] = _mm_unpacklo_epi16(s1, s2); |
| s[1 + 8] = _mm_unpacklo_epi16(s3, s4); |
| s[2 + 8] = _mm_unpacklo_epi16(s5, s6); |
| |
| s[4 + 8] = _mm_unpackhi_epi16(s1, s2); |
| s[5 + 8] = _mm_unpackhi_epi16(s3, s4); |
| s[6 + 8] = _mm_unpackhi_epi16(s5, s6); |
| |
| for (i = 0; i < h; i += 2) { |
| const int16_t *data = &im_block[i * im_stride]; |
| |
| __m128i s7 = _mm_loadu_si128((__m128i *)(data + 7 * im_stride)); |
| __m128i s8 = _mm_loadu_si128((__m128i *)(data + 8 * im_stride)); |
| |
| s[3] = _mm_unpacklo_epi16(s6, s7); |
| s[7] = _mm_unpackhi_epi16(s6, s7); |
| |
| s[3 + 8] = _mm_unpacklo_epi16(s7, s8); |
| s[7 + 8] = _mm_unpackhi_epi16(s7, s8); |
| |
| const __m128i res_a0 = convolve(s, coeffs_y); |
| __m128i res_a_round0 = |
| _mm_sra_epi32(_mm_add_epi32(res_a0, round_const_y), round_shift_y); |
| res_a_round0 = _mm_sra_epi32( |
| _mm_add_epi32(res_a_round0, round_const_bits), round_shift_bits); |
| |
| const __m128i res_a1 = convolve(s + 8, coeffs_y); |
| __m128i res_a_round1 = |
| _mm_sra_epi32(_mm_add_epi32(res_a1, round_const_y), round_shift_y); |
| res_a_round1 = _mm_sra_epi32( |
| _mm_add_epi32(res_a_round1, round_const_bits), round_shift_bits); |
| |
| if (w - j > 4) { |
| const __m128i res_b0 = convolve(s + 4, coeffs_y); |
| __m128i res_b_round0 = _mm_sra_epi32( |
| _mm_add_epi32(res_b0, round_const_y), round_shift_y); |
| res_b_round0 = _mm_sra_epi32( |
| _mm_add_epi32(res_b_round0, round_const_bits), round_shift_bits); |
| |
| const __m128i res_b1 = convolve(s + 4 + 8, coeffs_y); |
| __m128i res_b_round1 = _mm_sra_epi32( |
| _mm_add_epi32(res_b1, round_const_y), round_shift_y); |
| res_b_round1 = _mm_sra_epi32( |
| _mm_add_epi32(res_b_round1, round_const_bits), round_shift_bits); |
| |
| __m128i res_16bit0 = _mm_packs_epi32(res_a_round0, res_b_round0); |
| res_16bit0 = _mm_min_epi16(res_16bit0, clip_pixel); |
| res_16bit0 = _mm_max_epi16(res_16bit0, zero); |
| |
| __m128i res_16bit1 = _mm_packs_epi32(res_a_round1, res_b_round1); |
| res_16bit1 = _mm_min_epi16(res_16bit1, clip_pixel); |
| res_16bit1 = _mm_max_epi16(res_16bit1, zero); |
| |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j], res_16bit0); |
| _mm_storeu_si128((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_16bit1); |
| } else if (w == 4) { |
| res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); |
| res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); |
| res_a_round0 = _mm_max_epi16(res_a_round0, zero); |
| |
| res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); |
| res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); |
| res_a_round1 = _mm_max_epi16(res_a_round1, zero); |
| |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j], res_a_round0); |
| _mm_storel_epi64((__m128i *)&dst[i * dst_stride + j + dst_stride], |
| res_a_round1); |
| } else { |
| res_a_round0 = _mm_packs_epi32(res_a_round0, res_a_round0); |
| res_a_round0 = _mm_min_epi16(res_a_round0, clip_pixel); |
| res_a_round0 = _mm_max_epi16(res_a_round0, zero); |
| |
| res_a_round1 = _mm_packs_epi32(res_a_round1, res_a_round1); |
| res_a_round1 = _mm_min_epi16(res_a_round1, clip_pixel); |
| res_a_round1 = _mm_max_epi16(res_a_round1, zero); |
| |
| *((uint32_t *)(&dst[i * dst_stride + j])) = |
| _mm_cvtsi128_si32(res_a_round0); |
| |
| *((uint32_t *)(&dst[i * dst_stride + j + dst_stride])) = |
| _mm_cvtsi128_si32(res_a_round1); |
| } |
| s[0] = s[1]; |
| s[1] = s[2]; |
| s[2] = s[3]; |
| |
| s[4] = s[5]; |
| s[5] = s[6]; |
| s[6] = s[7]; |
| |
| s[0 + 8] = s[1 + 8]; |
| s[1 + 8] = s[2 + 8]; |
| s[2 + 8] = s[3 + 8]; |
| |
| s[4 + 8] = s[5 + 8]; |
| s[5 + 8] = s[6 + 8]; |
| s[6 + 8] = s[7 + 8]; |
| |
| s6 = s8; |
| } |
| } |
| } |
| } |
