blob: 464a5af569f02f3b5943a5247c043a99f618010c [file] [log] [blame]
/*
* 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 <emmintrin.h>
#include "config/av1_rtcd.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_convolve_2d_sr_sse2(const uint8_t *src, int src_stride, uint8_t *dst,
int dst_stride, 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) {
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 uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz;
const __m128i zero = _mm_setzero_si128();
const int bits =
FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1;
const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0;
assert(conv_params->round_0 > 0);
/* 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 << (bd + FILTER_BITS - 1)) + ((1 << conv_params->round_0) >> 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]);
// Filter even-index pixels
const __m128i src_0 = _mm_unpacklo_epi8(data, zero);
const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01);
const __m128i src_2 = _mm_unpacklo_epi8(_mm_srli_si128(data, 2), zero);
const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23);
const __m128i src_4 = _mm_unpacklo_epi8(_mm_srli_si128(data, 4), zero);
const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45);
const __m128i src_6 = _mm_unpacklo_epi8(_mm_srli_si128(data, 6), zero);
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
const __m128i src_1 = _mm_unpacklo_epi8(_mm_srli_si128(data, 1), zero);
const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01);
const __m128i src_3 = _mm_unpacklo_epi8(_mm_srli_si128(data, 3), zero);
const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23);
const __m128i src_5 = _mm_unpacklo_epi8(_mm_srli_si128(data, 5), zero);
const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45);
const __m128i src_7 = _mm_unpacklo_epi8(_mm_srli_si128(data, 7), zero);
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_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_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 sum_round =
_mm_set1_epi32((1 << offset_bits) + ((1 << conv_params->round_1) >> 1));
const __m128i sum_shift = _mm_cvtsi32_si128(conv_params->round_1);
const __m128i round_const = _mm_set1_epi32(
((1 << bits) >> 1) - (1 << (offset_bits - conv_params->round_1)) -
((1 << (offset_bits - conv_params->round_1)) >> 1));
const __m128i round_shift = _mm_cvtsi32_si128(bits);
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);
__m128i res_lo_round =
_mm_sra_epi32(_mm_add_epi32(res_lo, sum_round), sum_shift);
__m128i res_hi_round =
_mm_sra_epi32(_mm_add_epi32(res_hi, sum_round), sum_shift);
res_lo_round = _mm_sra_epi32(_mm_add_epi32(res_lo_round, round_const),
round_shift);
res_hi_round = _mm_sra_epi32(_mm_add_epi32(res_hi_round, round_const),
round_shift);
const __m128i res16 = _mm_packs_epi32(res_lo_round, res_hi_round);
const __m128i res = _mm_packus_epi16(res16, res16);
// Accumulate values into the destination buffer
__m128i *const p = (__m128i *)&dst[i * dst_stride + j];
if (w == 2) {
*(uint16_t *)p = _mm_cvtsi128_si32(res);
} else if (w == 4) {
*(uint32_t *)p = _mm_cvtsi128_si32(res);
} else {
_mm_storel_epi64(p, res);
}
}
}
}
}
static INLINE void copy_128(const uint8_t *src, uint8_t *dst) {
__m128i s[8];
s[0] = _mm_loadu_si128((__m128i *)(src + 0 * 16));
s[1] = _mm_loadu_si128((__m128i *)(src + 1 * 16));
s[2] = _mm_loadu_si128((__m128i *)(src + 2 * 16));
s[3] = _mm_loadu_si128((__m128i *)(src + 3 * 16));
s[4] = _mm_loadu_si128((__m128i *)(src + 4 * 16));
s[5] = _mm_loadu_si128((__m128i *)(src + 5 * 16));
s[6] = _mm_loadu_si128((__m128i *)(src + 6 * 16));
s[7] = _mm_loadu_si128((__m128i *)(src + 7 * 16));
_mm_store_si128((__m128i *)(dst + 0 * 16), s[0]);
_mm_store_si128((__m128i *)(dst + 1 * 16), s[1]);
_mm_store_si128((__m128i *)(dst + 2 * 16), s[2]);
_mm_store_si128((__m128i *)(dst + 3 * 16), s[3]);
_mm_store_si128((__m128i *)(dst + 4 * 16), s[4]);
_mm_store_si128((__m128i *)(dst + 5 * 16), s[5]);
_mm_store_si128((__m128i *)(dst + 6 * 16), s[6]);
_mm_store_si128((__m128i *)(dst + 7 * 16), s[7]);
}
void av1_convolve_2d_copy_sr_sse2(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride, 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) {
(void)filter_params_x;
(void)filter_params_y;
(void)subpel_x_qn;
(void)subpel_y_qn;
(void)conv_params;
if (w >= 16) {
assert(!((intptr_t)dst % 16));
assert(!(dst_stride % 16));
}
if (w == 2) {
do {
memmove(dst, src, 2 * sizeof(*src));
src += src_stride;
dst += dst_stride;
memmove(dst, src, 2 * sizeof(*src));
src += src_stride;
dst += dst_stride;
h -= 2;
} while (h);
} else if (w == 4) {
do {
memmove(dst, src, 4 * sizeof(*src));
src += src_stride;
dst += dst_stride;
memmove(dst, src, 4 * sizeof(*src));
src += src_stride;
dst += dst_stride;
h -= 2;
} while (h);
} else if (w == 8) {
do {
__m128i s[2];
s[0] = _mm_loadl_epi64((__m128i *)src);
src += src_stride;
s[1] = _mm_loadl_epi64((__m128i *)src);
src += src_stride;
_mm_storel_epi64((__m128i *)dst, s[0]);
dst += dst_stride;
_mm_storel_epi64((__m128i *)dst, s[1]);
dst += dst_stride;
h -= 2;
} while (h);
} else if (w == 16) {
do {
__m128i s[2];
s[0] = _mm_loadu_si128((__m128i *)src);
src += src_stride;
s[1] = _mm_loadu_si128((__m128i *)src);
src += src_stride;
_mm_store_si128((__m128i *)dst, s[0]);
dst += dst_stride;
_mm_store_si128((__m128i *)dst, s[1]);
dst += dst_stride;
h -= 2;
} while (h);
} else if (w == 32) {
do {
__m128i s[4];
s[0] = _mm_loadu_si128((__m128i *)(src + 0 * 16));
s[1] = _mm_loadu_si128((__m128i *)(src + 1 * 16));
src += src_stride;
s[2] = _mm_loadu_si128((__m128i *)(src + 0 * 16));
s[3] = _mm_loadu_si128((__m128i *)(src + 1 * 16));
src += src_stride;
_mm_store_si128((__m128i *)(dst + 0 * 16), s[0]);
_mm_store_si128((__m128i *)(dst + 1 * 16), s[1]);
dst += dst_stride;
_mm_store_si128((__m128i *)(dst + 0 * 16), s[2]);
_mm_store_si128((__m128i *)(dst + 1 * 16), s[3]);
dst += dst_stride;
h -= 2;
} while (h);
} else if (w == 64) {
do {
__m128i s[8];
s[0] = _mm_loadu_si128((__m128i *)(src + 0 * 16));
s[1] = _mm_loadu_si128((__m128i *)(src + 1 * 16));
s[2] = _mm_loadu_si128((__m128i *)(src + 2 * 16));
s[3] = _mm_loadu_si128((__m128i *)(src + 3 * 16));
src += src_stride;
s[4] = _mm_loadu_si128((__m128i *)(src + 0 * 16));
s[5] = _mm_loadu_si128((__m128i *)(src + 1 * 16));
s[6] = _mm_loadu_si128((__m128i *)(src + 2 * 16));
s[7] = _mm_loadu_si128((__m128i *)(src + 3 * 16));
src += src_stride;
_mm_store_si128((__m128i *)(dst + 0 * 16), s[0]);
_mm_store_si128((__m128i *)(dst + 1 * 16), s[1]);
_mm_store_si128((__m128i *)(dst + 2 * 16), s[2]);
_mm_store_si128((__m128i *)(dst + 3 * 16), s[3]);
dst += dst_stride;
_mm_store_si128((__m128i *)(dst + 0 * 16), s[4]);
_mm_store_si128((__m128i *)(dst + 1 * 16), s[5]);
_mm_store_si128((__m128i *)(dst + 2 * 16), s[6]);
_mm_store_si128((__m128i *)(dst + 3 * 16), s[7]);
dst += dst_stride;
h -= 2;
} while (h);
} else {
do {
copy_128(src, dst);
src += src_stride;
dst += dst_stride;
copy_128(src, dst);
src += src_stride;
dst += dst_stride;
h -= 2;
} while (h);
}
}
void av1_dist_wtd_convolve_2d_copy_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) {
const int bd = 8;
CONV_BUF_TYPE *dst = conv_params->dst;
int dst_stride = conv_params->dst_stride;
(void)filter_params_x;
(void)filter_params_y;
(void)subpel_x_qn;
(void)subpel_y_qn;
const int bits =
FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0;
const int do_average = conv_params->do_average;
const int use_dist_wtd_comp_avg = conv_params->use_dist_wtd_comp_avg;
const __m128i zero = _mm_setzero_si128();
const __m128i left_shift = _mm_cvtsi32_si128(bits);
int i, j;
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);
assert((w % 4) == 0);
if (!(w % 16)) {
for (i = 0; i < h; ++i) {
for (j = 0; j < w; j += 16) {
const __m128i d8 = _mm_loadu_si128((__m128i *)&src[j]);
const __m128i d16_lo = _mm_unpacklo_epi8(d8, zero);
const __m128i d16_hi = _mm_unpackhi_epi8(d8, zero);
const __m128i res_lo = _mm_sll_epi16(d16_lo, left_shift);
const __m128i res_unsigned_lo = _mm_add_epi16(res_lo, offset_const);
const __m128i res_hi = _mm_sll_epi16(d16_hi, left_shift);
const __m128i res_unsigned_hi = _mm_add_epi16(res_hi, offset_const);
if (do_average) {
const __m128i data_ref_0_lo = _mm_loadu_si128((__m128i *)(&dst[j]));
const __m128i data_ref_0_hi =
_mm_loadu_si128((__m128i *)(&dst[j + 8]));
const __m128i comp_avg_res_lo = comp_avg(
&data_ref_0_lo, &res_unsigned_lo, &wt, use_dist_wtd_comp_avg);
const __m128i round_result_lo = convolve_rounding(
&comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift);
const __m128i comp_avg_res_hi = comp_avg(
&data_ref_0_hi, &res_unsigned_hi, &wt, use_dist_wtd_comp_avg);
const __m128i round_result_hi = convolve_rounding(
&comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift);
const __m128i res_8 =
_mm_packus_epi16(round_result_lo, round_result_hi);
_mm_store_si128((__m128i *)(&dst0[j]), res_8);
} else {
_mm_store_si128((__m128i *)(&dst[j]), res_unsigned_lo);
_mm_store_si128((__m128i *)(&dst[j + 8]), res_unsigned_hi);
}
}
src += src_stride;
dst += dst_stride;
dst0 += dst_stride0;
}
} else {
for (i = 0; i < h; ++i) {
for (j = 0; j < w; j += 8) {
const __m128i d8 = _mm_loadl_epi64((__m128i *)&src[j]);
const __m128i d16_0 = _mm_unpacklo_epi8(d8, zero);
const __m128i res = _mm_sll_epi16(d16_0, left_shift);
const __m128i res_unsigned = _mm_add_epi16(res, offset_const);
if (do_average) {
const __m128i data_ref_0 = _mm_loadu_si128((__m128i *)(&dst[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[j]), res_8);
else
*(uint32_t *)(&dst0[j]) = _mm_cvtsi128_si32(res_8);
} else {
_mm_store_si128((__m128i *)(&dst[j]), res_unsigned);
}
}
src += src_stride;
dst += dst_stride;
dst0 += dst_stride0;
}
}
}