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-rw-r--r--third_party/aom/av1/common/x86/jnt_convolve_sse2.c606
1 files changed, 606 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/jnt_convolve_sse2.c b/third_party/aom/av1/common/x86/jnt_convolve_sse2.c
new file mode 100644
index 0000000000..8c5d9918fb
--- /dev/null
+++ b/third_party/aom/av1/common/x86/jnt_convolve_sse2.c
@@ -0,0 +1,606 @@
+/*
+ * Copyright (c) 2018, 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 <emmintrin.h>
+
+#include "config/av1_rtcd.h"
+
+#include "aom_dsp/aom_filter.h"
+#include "aom_dsp/x86/convolve_sse2.h"
+
+void av1_dist_wtd_convolve_x_sse2(const uint8_t *src, int src_stride,
+ uint8_t *dst0, int dst_stride0, int w, int h,
+ const InterpFilterParams *filter_params_x,
+ const int subpel_x_qn,
+ ConvolveParams *conv_params) {
+ const int bd = 8;
+ CONV_BUF_TYPE *dst = conv_params->dst;
+ const int dst_stride = conv_params->dst_stride;
+ const int fo_horiz = filter_params_x->taps / 2 - 1;
+ const uint8_t *src_ptr = src - fo_horiz;
+ const int bits = FILTER_BITS - conv_params->round_1;
+ const __m128i left_shift = _mm_cvtsi32_si128(bits);
+ const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_0) >> 1);
+ const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0);
+ const int w0 = conv_params->fwd_offset;
+ const int w1 = conv_params->bck_offset;
+ const __m128i wt0 = _mm_set1_epi16(w0);
+ const __m128i wt1 = _mm_set1_epi16(w1);
+ const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
+ const int do_average = conv_params->do_average;
+ const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
+ const int offset_0 =
+ bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
+ const __m128i offset_const = _mm_set1_epi16(offset);
+ const int rounding_shift =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
+ __m128i coeffs[4];
+
+ prepare_coeffs(filter_params_x, subpel_x_qn, coeffs);
+
+ if (w == 4) {
+ do {
+ const __m128i data = _mm_loadu_si128((__m128i *)src_ptr);
+ __m128i s[4];
+
+ s[0] = _mm_unpacklo_epi8(data, _mm_srli_si128(data, 1));
+ s[1] =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 2), _mm_srli_si128(data, 3));
+ s[2] =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 4), _mm_srli_si128(data, 5));
+ s[3] =
+ _mm_unpacklo_epi8(_mm_srli_si128(data, 6), _mm_srli_si128(data, 7));
+ const __m128i res_lo = convolve_lo_x(s, coeffs);
+ const __m128i res_lo_round =
+ _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift);
+ const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);
+
+ const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_lo_shift);
+ const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+ *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[0]), res_unsigned);
+ }
+ src_ptr += src_stride;
+ dst += dst_stride;
+ dst0 += dst_stride0;
+ } while (--h);
+ } else {
+ assert(!(w % 8));
+ int i = 0;
+ do {
+ int j = 0;
+ do {
+ const __m128i data =
+ _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
+ __m128i s[4];
+
+ // Filter even-index pixels
+ s[0] = data;
+ s[1] = _mm_srli_si128(data, 2);
+ s[2] = _mm_srli_si128(data, 4);
+ s[3] = _mm_srli_si128(data, 6);
+ const __m128i res_even = convolve_lo_x(s, coeffs);
+
+ // Filter odd-index pixels
+ s[0] = _mm_srli_si128(data, 1);
+ s[1] = _mm_srli_si128(data, 3);
+ s[2] = _mm_srli_si128(data, 5);
+ s[3] = _mm_srli_si128(data, 7);
+ const __m128i res_odd = convolve_lo_x(s, coeffs);
+
+ // 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);
+ const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift);
+ const __m128i res_hi_shift = _mm_sll_epi32(res_hi_round, left_shift);
+
+ const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
+ const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ const __m128i data_ref_0 =
+ _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+ _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+ }
+ j += 8;
+ } while (j < w);
+ } while (++i < h);
+ }
+}
+
+void av1_dist_wtd_convolve_y_sse2(const uint8_t *src, int src_stride,
+ uint8_t *dst0, int dst_stride0, int w, int h,
+ const InterpFilterParams *filter_params_y,
+ const int subpel_y_qn,
+ ConvolveParams *conv_params) {
+ const int bd = 8;
+ CONV_BUF_TYPE *dst = conv_params->dst;
+ const int dst_stride = conv_params->dst_stride;
+ const int fo_vert = filter_params_y->taps / 2 - 1;
+ const uint8_t *src_ptr = src - fo_vert * src_stride;
+ const int bits = FILTER_BITS - conv_params->round_0;
+ const __m128i left_shift = _mm_cvtsi32_si128(bits);
+ const __m128i wt0 = _mm_set1_epi16(conv_params->fwd_offset);
+ const __m128i wt1 = _mm_set1_epi16(conv_params->bck_offset);
+ const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
+ const int do_average = conv_params->do_average;
+ const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
+ const int offset_0 =
+ bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
+ const __m128i offset_const = _mm_set1_epi16(offset);
+ const int rounding_shift =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
+ const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_1) >> 1);
+ const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1);
+ __m128i coeffs[4];
+
+ prepare_coeffs(filter_params_y, subpel_y_qn, coeffs);
+
+ if (w == 4) {
+ __m128i s[8], src6, res, res_shift;
+ src6 = _mm_cvtsi32_si128(*(int *)(src_ptr + 6 * src_stride));
+ s[0] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 0 * src_stride)),
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 1 * src_stride)));
+ s[1] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 1 * src_stride)),
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 2 * src_stride)));
+ s[2] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 2 * src_stride)),
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 3 * src_stride)));
+ s[3] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 3 * src_stride)),
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 4 * src_stride)));
+ s[4] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 4 * src_stride)),
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 5 * src_stride)));
+ s[5] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 5 * src_stride)), src6);
+
+ do {
+ s[6] = _mm_unpacklo_epi8(
+ src6, _mm_cvtsi32_si128(*(int *)(src_ptr + 7 * src_stride)));
+ src6 = _mm_cvtsi32_si128(*(int *)(src_ptr + 8 * src_stride));
+ s[7] = _mm_unpacklo_epi8(
+ _mm_cvtsi32_si128(*(int *)(src_ptr + 7 * src_stride)), src6);
+
+ res = convolve_lo_y(s + 0, coeffs);
+ res_shift = _mm_sll_epi32(res, left_shift);
+ res_shift =
+ _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);
+
+ __m128i res_16b = _mm_packs_epi32(res_shift, res_shift);
+ __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+ *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
+
+ } else {
+ _mm_store_si128((__m128i *)dst, res_unsigned);
+ }
+
+ src_ptr += src_stride;
+ dst += dst_stride;
+ dst0 += dst_stride0;
+
+ res = convolve_lo_y(s + 1, coeffs);
+ res_shift = _mm_sll_epi32(res, left_shift);
+ res_shift =
+ _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift);
+
+ res_16b = _mm_packs_epi32(res_shift, res_shift);
+ res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)dst);
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+ *(int *)(&dst0[0]) = _mm_cvtsi128_si32(res_8);
+
+ } else {
+ _mm_store_si128((__m128i *)dst, res_unsigned);
+ }
+
+ src_ptr += src_stride;
+ dst += dst_stride;
+ dst0 += dst_stride0;
+
+ s[0] = s[2];
+ s[1] = s[3];
+ s[2] = s[4];
+ s[3] = s[5];
+ s[4] = s[6];
+ s[5] = s[7];
+ h -= 2;
+ } while (h);
+ } else {
+ assert(!(w % 8));
+ int j = 0;
+ do {
+ __m128i s[8], src6, res_lo, res_hi, res_lo_shift, res_hi_shift;
+ const uint8_t *data = &src_ptr[j];
+
+ src6 = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride));
+ s[0] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 0 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)));
+ s[1] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)));
+ s[2] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)));
+ s[3] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)));
+ s[4] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)),
+ _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)));
+ s[5] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)), src6);
+
+ int i = 0;
+ do {
+ data = &src_ptr[i * src_stride + j];
+ s[6] = _mm_unpacklo_epi8(
+ src6, _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)));
+ src6 = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride));
+ s[7] = _mm_unpacklo_epi8(
+ _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)), src6);
+
+ res_lo = convolve_lo_y(s, coeffs); // Filter low index pixels
+ res_hi = convolve_hi_y(s, coeffs); // Filter high index pixels
+ res_lo_shift = _mm_sll_epi32(res_lo, left_shift);
+ res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
+ res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
+ round_shift);
+ res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
+ round_shift);
+
+ __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
+ __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ const __m128i data_ref_0 =
+ _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+ _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+ }
+ i++;
+
+ res_lo = convolve_lo_y(s + 1, coeffs); // Filter low index pixels
+ res_hi = convolve_hi_y(s + 1, coeffs); // Filter high index pixels
+ res_lo_shift = _mm_sll_epi32(res_lo, left_shift);
+ res_hi_shift = _mm_sll_epi32(res_hi, left_shift);
+ res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const),
+ round_shift);
+ res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const),
+ round_shift);
+ res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift);
+ res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ __m128i data_ref_0 =
+ _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+ _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+ }
+ i++;
+
+ s[0] = s[2];
+ s[1] = s[3];
+ s[2] = s[4];
+ s[3] = s[5];
+ s[4] = s[6];
+ s[5] = s[7];
+ } while (i < h);
+ j += 8;
+ } while (j < w);
+ }
+}
+
+void av1_dist_wtd_convolve_2d_sse2(const uint8_t *src, int src_stride,
+ uint8_t *dst0, int dst_stride0, int w, int h,
+ const InterpFilterParams *filter_params_x,
+ const InterpFilterParams *filter_params_y,
+ const int subpel_x_qn, const int subpel_y_qn,
+ ConvolveParams *conv_params) {
+ CONV_BUF_TYPE *dst = conv_params->dst;
+ int dst_stride = conv_params->dst_stride;
+ const int bd = 8;
+
+ DECLARE_ALIGNED(16, int16_t,
+ im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]);
+ int im_h = h + filter_params_y->taps - 1;
+ int im_stride = MAX_SB_SIZE;
+ int i, j;
+ const int fo_vert = filter_params_y->taps / 2 - 1;
+ const int fo_horiz = filter_params_x->taps / 2 - 1;
+ const int do_average = conv_params->do_average;
+ const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
+ const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
+
+ const __m128i zero = _mm_setzero_si128();
+
+ const int w0 = conv_params->fwd_offset;
+ const int w1 = conv_params->bck_offset;
+ const __m128i wt0 = _mm_set1_epi16(w0);
+ const __m128i wt1 = _mm_set1_epi16(w1);
+ const __m128i wt = _mm_unpacklo_epi16(wt0, wt1);
+
+ const int offset_0 =
+ bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const int offset = (1 << offset_0) + (1 << (offset_0 - 1));
+ const __m128i offset_const = _mm_set1_epi16(offset);
+ const int rounding_shift =
+ 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1;
+ const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1);
+
+ /* Horizontal filter */
+ {
+ const int16_t *x_filter = av1_get_interp_filter_subpel_kernel(
+ filter_params_x, subpel_x_qn & 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) {
+ __m128i temp_lo, temp_hi;
+ const __m128i data =
+ _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]);
+
+ const __m128i src_lo = _mm_unpacklo_epi8(data, zero);
+ const __m128i src_hi = _mm_unpackhi_epi8(data, zero);
+
+ // Filter even-index pixels
+ const __m128i res_0 = _mm_madd_epi16(src_lo, coeff_01);
+ temp_lo = _mm_srli_si128(src_lo, 4);
+ temp_hi = _mm_slli_si128(src_hi, 12);
+ const __m128i src_2 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23);
+ temp_lo = _mm_srli_si128(src_lo, 8);
+ temp_hi = _mm_slli_si128(src_hi, 8);
+ const __m128i src_4 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45);
+ temp_lo = _mm_srli_si128(src_lo, 12);
+ temp_hi = _mm_slli_si128(src_hi, 4);
+ const __m128i src_6 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_6 = _mm_madd_epi16(src_6, 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
+ temp_lo = _mm_srli_si128(src_lo, 2);
+ temp_hi = _mm_slli_si128(src_hi, 14);
+ const __m128i src_1 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01);
+ temp_lo = _mm_srli_si128(src_lo, 6);
+ temp_hi = _mm_slli_si128(src_hi, 10);
+ const __m128i src_3 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23);
+ temp_lo = _mm_srli_si128(src_lo, 10);
+ temp_hi = _mm_slli_si128(src_hi, 6);
+ const __m128i src_5 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45);
+ temp_lo = _mm_srli_si128(src_lo, 14);
+ temp_hi = _mm_slli_si128(src_hi, 2);
+ const __m128i src_7 = _mm_or_si128(temp_hi, temp_lo);
+ const __m128i res_7 = _mm_madd_epi16(src_7, 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_store_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_qn & 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);
+
+ const __m128i res_16b = _mm_packs_epi32(res_lo_round, res_hi_round);
+ const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const);
+
+ // Accumulate values into the destination buffer
+ if (do_average) {
+ const __m128i data_ref_0 =
+ _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]));
+
+ const __m128i comp_avg_res =
+ comp_avg(&data_ref_0, &res_unsigned, &wt, use_dist_wtd_comp_avg);
+
+ const __m128i round_result = convolve_rounding(
+ &comp_avg_res, &offset_const, &rounding_const, rounding_shift);
+
+ const __m128i res_8 = _mm_packus_epi16(round_result, round_result);
+
+ if (w > 4)
+ _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8);
+ else
+ *(int *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_8);
+ } else {
+ _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned);
+ }
+ }
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-27 08:55:02 +0000