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/*
* 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> // SSE2
#include "config/aom_dsp_rtcd.h"
#include "aom_dsp/x86/synonyms.h"
#include "aom_ports/mem.h"
#include "aom_ports/emmintrin_compat.h"
#include "aom_dsp/x86/lpf_common_sse2.h"
static INLINE __m128i abs_diff(__m128i a, __m128i b) {
return _mm_or_si128(_mm_subs_epu8(a, b), _mm_subs_epu8(b, a));
}
// this function treats its input as 2 parallel 8x4 matrices, transposes each of
// them to 4x8 independently while flipping the second matrix horizontally.
// Used for 14 taps pq pairs creation
static INLINE void transpose_pq_14_sse2(__m128i *x0, __m128i *x1, __m128i *x2,
__m128i *x3, __m128i *q0p0,
__m128i *q1p1, __m128i *q2p2,
__m128i *q3p3, __m128i *q4p4,
__m128i *q5p5, __m128i *q6p6,
__m128i *q7p7) {
__m128i w0, w1, ww0, ww1, w2, w3, ww2, ww3;
w0 = _mm_unpacklo_epi8(
*x0, *x1); // 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
w1 = _mm_unpacklo_epi8(
*x2, *x3); // 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
w2 = _mm_unpackhi_epi8(
*x0, *x1); // 08 18 09 19 010 110 011 111 012 112 013 113 014 114 015 115
w3 = _mm_unpackhi_epi8(
*x2, *x3); // 28 38 29 39 210 310 211 311 212 312 213 313 214 314 215 315
ww0 = _mm_unpacklo_epi16(
w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
ww1 = _mm_unpackhi_epi16(
w0, w1); // 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
ww2 = _mm_unpacklo_epi16(
w2, w3); // 08 18 28 38 09 19 29 39 010 110 210 310 011 111 211 311
ww3 = _mm_unpackhi_epi16(
w2,
w3); // 012 112 212 312 013 113 213 313 014 114 214 314 015 115 215 315
*q7p7 = _mm_unpacklo_epi32(
ww0,
_mm_srli_si128(
ww3, 12)); // 00 10 20 30 015 115 215 315 xx xx xx xx xx xx xx xx
*q6p6 = _mm_unpackhi_epi32(
_mm_slli_si128(ww0, 4),
ww3); // 01 11 21 31 014 114 214 314 xx xx xx xxxx xx xx xx
*q5p5 = _mm_unpackhi_epi32(
ww0,
_mm_slli_si128(
ww3, 4)); // 02 12 22 32 013 113 213 313 xx xx xx x xx xx xx xxx
*q4p4 = _mm_unpacklo_epi32(
_mm_srli_si128(ww0, 12),
ww3); // 03 13 23 33 012 112 212 312 xx xx xx xx xx xx xx xx
*q3p3 = _mm_unpacklo_epi32(
ww1,
_mm_srli_si128(
ww2, 12)); // 04 14 24 34 011 111 211 311 xx xx xx xx xx xx xx xx
*q2p2 = _mm_unpackhi_epi32(
_mm_slli_si128(ww1, 4),
ww2); // 05 15 25 35 010 110 210 310 xx xx xx xx xx xx xx xx
*q1p1 = _mm_unpackhi_epi32(
ww1,
_mm_slli_si128(
ww2, 4)); // 06 16 26 36 09 19 29 39 xx xx xx xx xx xx xx xx
*q0p0 = _mm_unpacklo_epi32(
_mm_srli_si128(ww1, 12),
ww2); // 07 17 27 37 08 18 28 38 xx xx xx xx xx xx xx xx
}
// this function treats its input as 2 parallel 8x4 matrices, transposes each of
// them independently while flipping the second matrix horizontaly Used for 14
// taps filter pq pairs inverse
static INLINE void transpose_pq_14_inv_sse2(__m128i *x0, __m128i *x1,
__m128i *x2, __m128i *x3,
__m128i *x4, __m128i *x5,
__m128i *x6, __m128i *x7,
__m128i *pq0, __m128i *pq1,
__m128i *pq2, __m128i *pq3) {
__m128i w10, w11, w12, w13;
__m128i w0, w1, w2, w3, w4, w5;
__m128i d0, d1, d2, d3;
w0 = _mm_unpacklo_epi8(
*x0, *x1); // p 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
w1 = _mm_unpacklo_epi8(
*x2, *x3); // p 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
w2 = _mm_unpacklo_epi8(
*x4, *x5); // p 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
w3 = _mm_unpacklo_epi8(
*x6, *x7); // p 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
w4 = _mm_unpacklo_epi16(
w0, w1); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
w5 = _mm_unpacklo_epi16(
w2, w3); // 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73
d0 = _mm_unpacklo_epi32(
w4, w5); // 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71
d2 = _mm_unpackhi_epi32(
w4, w5); // 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73
w10 = _mm_unpacklo_epi8(
*x7, *x6); // q xx xx xx xx xx xx xx xx 00 10 01 11 02 12 03 13
w11 = _mm_unpacklo_epi8(
*x5, *x4); // q xx xx xx xx xx xx xx xx 20 30 21 31 22 32 23 33
w12 = _mm_unpacklo_epi8(
*x3, *x2); // q xx xx xx xx xx xx xx xx 40 50 41 51 42 52 43 53
w13 = _mm_unpacklo_epi8(
*x1, *x0); // q xx xx xx xx xx xx xx xx 60 70 61 71 62 72 63 73
w4 = _mm_unpackhi_epi16(
w10, w11); // 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
w5 = _mm_unpackhi_epi16(
w12, w13); // 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73
d1 = _mm_unpacklo_epi32(
w4, w5); // 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71
d3 = _mm_unpackhi_epi32(
w4, w5); // 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73
*pq0 = _mm_unpacklo_epi64(d0, d1); // pq
*pq1 = _mm_unpackhi_epi64(d0, d1); // pq
*pq2 = _mm_unpacklo_epi64(d2, d3); // pq
*pq3 = _mm_unpackhi_epi64(d2, d3); // pq
}
static AOM_FORCE_INLINE void filter4_sse2(__m128i *p1p0, __m128i *q1q0,
__m128i *hev, __m128i *mask,
__m128i *qs1qs0, __m128i *ps1ps0) {
__m128i filter, filter2filter1, work;
__m128i ps1ps0_work, qs1qs0_work;
__m128i hev1;
const __m128i t3t4 =
_mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 4, 4, 4, 4);
const __m128i t80 = _mm_set1_epi8((char)0x80);
const __m128i ff = _mm_cmpeq_epi8(t80, t80);
ps1ps0_work = _mm_xor_si128(*p1p0, t80); /* ^ 0x80 */
qs1qs0_work = _mm_xor_si128(*q1q0, t80);
/* int8_t filter = signed_char_clamp(ps1 - qs1) & hev; */
work = _mm_subs_epi8(ps1ps0_work, qs1qs0_work);
filter = _mm_and_si128(_mm_srli_si128(work, 4), *hev);
/* filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask; */
filter = _mm_subs_epi8(filter, work);
filter = _mm_subs_epi8(filter, work);
filter = _mm_subs_epi8(filter, work); /* + 3 * (qs0 - ps0) */
filter = _mm_and_si128(filter, *mask); /* & mask */
filter = _mm_unpacklo_epi32(filter, filter);
/* filter1 = signed_char_clamp(filter + 4) >> 3; */
/* filter2 = signed_char_clamp(filter + 3) >> 3; */
filter2filter1 = _mm_adds_epi8(filter, t3t4); /* signed_char_clamp */
filter2filter1 =
_mm_unpacklo_epi8(filter2filter1, filter2filter1); // goto 16 bit
filter2filter1 = _mm_srai_epi16(filter2filter1, 11); /* >> 3 */
filter2filter1 = _mm_packs_epi16(filter2filter1, filter2filter1);
/* filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev; */
filter = _mm_subs_epi8(filter2filter1, ff); /* + 1 */
filter = _mm_unpacklo_epi8(filter, filter); // goto 16 bit
filter = _mm_srai_epi16(filter, 9); /* round */
filter = _mm_packs_epi16(filter, filter);
filter = _mm_andnot_si128(*hev, filter);
filter = _mm_unpacklo_epi32(filter, filter);
filter2filter1 = _mm_unpacklo_epi32(filter2filter1, filter);
hev1 = _mm_srli_si128(filter2filter1, 8);
/* signed_char_clamp(qs1 - filter), signed_char_clamp(qs0 - filter1) */
qs1qs0_work = _mm_subs_epi8(qs1qs0_work, filter2filter1);
/* signed_char_clamp(ps1 + filter), signed_char_clamp(ps0 + filter2) */
ps1ps0_work = _mm_adds_epi8(ps1ps0_work, hev1);
*qs1qs0 = _mm_xor_si128(qs1qs0_work, t80); /* ^ 0x80 */
*ps1ps0 = _mm_xor_si128(ps1ps0_work, t80); /* ^ 0x80 */
}
static AOM_FORCE_INLINE void filter4_dual_sse2(__m128i *p1p0, __m128i *q1q0,
__m128i *hev, __m128i *mask,
__m128i *qs1qs0,
__m128i *ps1ps0) {
const __m128i t3t4 =
_mm_set_epi8(3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4);
const __m128i t80 = _mm_set1_epi8((char)0x80);
__m128i filter, filter2filter1, work;
__m128i ps1ps0_work, qs1qs0_work;
__m128i hev1;
const __m128i ff = _mm_cmpeq_epi8(t80, t80);
ps1ps0_work = _mm_xor_si128(*p1p0, t80); /* ^ 0x80 */
qs1qs0_work = _mm_xor_si128(*q1q0, t80);
/* int8_t filter = signed_char_clamp(ps1 - qs1) & hev; */
work = _mm_subs_epi8(ps1ps0_work, qs1qs0_work);
filter = _mm_and_si128(_mm_srli_si128(work, 8), *hev);
/* filter = signed_char_clamp(filter + 3 * (qs0 - ps0)) & mask; */
filter = _mm_subs_epi8(filter, work);
filter = _mm_subs_epi8(filter, work);
filter = _mm_subs_epi8(filter, work); /* + 3 * (qs0 - ps0) */
filter = _mm_and_si128(filter, *mask); /* & mask */
filter = _mm_unpacklo_epi64(filter, filter);
/* filter1 = signed_char_clamp(filter + 4) >> 3; */
/* filter2 = signed_char_clamp(filter + 3) >> 3; */
filter2filter1 = _mm_adds_epi8(filter, t3t4); /* signed_char_clamp */
filter = _mm_unpackhi_epi8(filter2filter1, filter2filter1);
filter2filter1 = _mm_unpacklo_epi8(filter2filter1, filter2filter1);
filter2filter1 = _mm_srai_epi16(filter2filter1, 11); /* >> 3 */
filter = _mm_srai_epi16(filter, 11); /* >> 3 */
filter2filter1 = _mm_packs_epi16(filter2filter1, filter);
/* filter = ROUND_POWER_OF_TWO(filter1, 1) & ~hev; */
filter = _mm_subs_epi8(filter2filter1, ff); /* + 1 */
filter = _mm_unpacklo_epi8(filter, filter);
filter = _mm_srai_epi16(filter, 9); /* round */
filter = _mm_packs_epi16(filter, filter);
filter = _mm_andnot_si128(*hev, filter);
hev1 = _mm_unpackhi_epi64(filter2filter1, filter);
filter2filter1 = _mm_unpacklo_epi64(filter2filter1, filter);
/* signed_char_clamp(qs1 - filter), signed_char_clamp(qs0 - filter1) */
qs1qs0_work = _mm_subs_epi8(qs1qs0_work, filter2filter1);
/* signed_char_clamp(ps1 + filter), signed_char_clamp(ps0 + filter2) */
ps1ps0_work = _mm_adds_epi8(ps1ps0_work, hev1);
*qs1qs0 = _mm_xor_si128(qs1qs0_work, t80); /* ^ 0x80 */
*ps1ps0 = _mm_xor_si128(ps1ps0_work, t80); /* ^ 0x80 */
}
static AOM_FORCE_INLINE void lpf_internal_4_sse2(
__m128i *p1, __m128i *p0, __m128i *q0, __m128i *q1, __m128i *limit,
__m128i *thresh, __m128i *q1q0_out, __m128i *p1p0_out) {
__m128i q1p1, q0p0, p1p0, q1q0;
__m128i abs_p0q0, abs_p1q1;
__m128i mask, flat, hev;
const __m128i zero = _mm_setzero_si128();
q1p1 = _mm_unpacklo_epi32(*p1, *q1);
q0p0 = _mm_unpacklo_epi32(*p0, *q0);
p1p0 = _mm_unpacklo_epi32(q0p0, q1p1);
q1q0 = _mm_srli_si128(p1p0, 8);
/* (abs(q1 - q0), abs(p1 - p0) */
flat = abs_diff(q1p1, q0p0);
/* abs(p1 - q1), abs(p0 - q0) */
__m128i abs_p1q1p0q0 = abs_diff(p1p0, q1q0);
/* const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1); */
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4));
hev = _mm_unpacklo_epi8(flat, zero);
hev = _mm_cmpgt_epi16(hev, *thresh);
hev = _mm_packs_epi16(hev, hev);
hev = _mm_unpacklo_epi32(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p0 - q0) * 2 */
abs_p1q1 = _mm_srli_si128(abs_p1q1p0q0, 4); /* abs(p1 - q1) */
abs_p1q1 = _mm_unpacklo_epi8(abs_p1q1, abs_p1q1);
abs_p1q1 = _mm_srli_epi16(abs_p1q1, 9);
abs_p1q1 = _mm_packs_epi16(abs_p1q1, abs_p1q1); /* abs(p1 - q1) / 2 */
/* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 */
mask = _mm_adds_epu8(abs_p0q0, abs_p1q1);
mask = _mm_unpacklo_epi32(mask, flat);
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
mask = _mm_and_si128(mask, _mm_srli_si128(mask, 4));
filter4_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out);
}
static AOM_FORCE_INLINE void lpf_internal_4_dual_sse2(
__m128i *p1, __m128i *p0, __m128i *q0, __m128i *q1, __m128i *limit,
__m128i *thresh, __m128i *q1q0_out, __m128i *p1p0_out) {
__m128i q1p1, q0p0, p1p0, q1q0;
__m128i abs_p0q0, abs_p1q1;
__m128i mask, hev;
const __m128i zero = _mm_setzero_si128();
q1p1 = _mm_unpacklo_epi64(*p1, *q1);
q0p0 = _mm_unpacklo_epi64(*p0, *q0);
p1p0 = _mm_unpacklo_epi64(q0p0, q1p1);
q1q0 = _mm_unpackhi_epi64(q0p0, q1p1);
/* (abs(q1 - q0), abs(p1 - p0) */
__m128i flat = abs_diff(q1p1, q0p0);
/* abs(p1 - q1), abs(p0 - q0) */
const __m128i abs_p1q1p0q0 = abs_diff(p1p0, q1q0);
/* const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1); */
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
hev = _mm_unpacklo_epi8(flat, zero);
hev = _mm_cmpgt_epi16(hev, *thresh);
hev = _mm_packs_epi16(hev, hev);
/* const int8_t mask = filter_mask2(*limit, *blimit, */
/* p1, p0, q0, q1); */
abs_p0q0 = _mm_adds_epu8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p0 - q0) * 2 */
abs_p1q1 = _mm_unpackhi_epi8(abs_p1q1p0q0, abs_p1q1p0q0); /* abs(p1 - q1) */
abs_p1q1 = _mm_srli_epi16(abs_p1q1, 9);
abs_p1q1 = _mm_packs_epi16(abs_p1q1, abs_p1q1); /* abs(p1 - q1) / 2 */
/* abs(p0 - q0) * 2 + abs(p1 - q1) / 2 */
mask = _mm_adds_epu8(abs_p0q0, abs_p1q1);
mask = _mm_unpacklo_epi64(mask, flat);
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
mask = _mm_and_si128(mask, _mm_srli_si128(mask, 8));
filter4_dual_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out);
}
void aom_lpf_horizontal_4_sse2(uint8_t *s, int p /* pitch */,
const uint8_t *_blimit, const uint8_t *_limit,
const uint8_t *_thresh) {
const __m128i zero = _mm_setzero_si128();
__m128i limit = _mm_unpacklo_epi32(_mm_loadl_epi64((const __m128i *)_blimit),
_mm_loadl_epi64((const __m128i *)_limit));
__m128i thresh =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh), zero);
__m128i qs1qs0, ps1ps0;
__m128i p1, p0, q0, q1;
p1 = xx_loadl_32(s - 2 * p);
p0 = xx_loadl_32(s - 1 * p);
q0 = xx_loadl_32(s - 0 * p);
q1 = xx_loadl_32(s + 1 * p);
lpf_internal_4_sse2(&p1, &p0, &q0, &q1, &limit, &thresh, &qs1qs0, &ps1ps0);
xx_storel_32(s - 1 * p, ps1ps0);
xx_storel_32(s - 2 * p, _mm_srli_si128(ps1ps0, 4));
xx_storel_32(s + 0 * p, qs1qs0);
xx_storel_32(s + 1 * p, _mm_srli_si128(qs1qs0, 4));
}
void aom_lpf_vertical_4_sse2(uint8_t *s, int p /* pitch */,
const uint8_t *_blimit, const uint8_t *_limit,
const uint8_t *_thresh) {
__m128i p1p0, q1q0;
__m128i p1, p0, q0, q1;
const __m128i zero = _mm_setzero_si128();
__m128i limit = _mm_unpacklo_epi32(_mm_loadl_epi64((const __m128i *)_blimit),
_mm_loadl_epi64((const __m128i *)_limit));
__m128i thresh =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh), zero);
__m128i x0, x1, x2, x3;
__m128i d0, d1, d2, d3;
x0 = _mm_loadl_epi64((__m128i *)(s - 2 + 0 * p));
x1 = _mm_loadl_epi64((__m128i *)(s - 2 + 1 * p));
x2 = _mm_loadl_epi64((__m128i *)(s - 2 + 2 * p));
x3 = _mm_loadl_epi64((__m128i *)(s - 2 + 3 * p));
transpose4x8_8x4_low_sse2(&x0, &x1, &x2, &x3, &p1, &p0, &q0, &q1);
lpf_internal_4_sse2(&p1, &p0, &q0, &q1, &limit, &thresh, &q1q0, &p1p0);
// Transpose 8x4 to 4x8
p1 = _mm_srli_si128(p1p0, 4);
q1 = _mm_srli_si128(q1q0, 4);
transpose4x8_8x4_low_sse2(&p1, &p1p0, &q1q0, &q1, &d0, &d1, &d2, &d3);
xx_storel_32(s + 0 * p - 2, d0);
xx_storel_32(s + 1 * p - 2, d1);
xx_storel_32(s + 2 * p - 2, d2);
xx_storel_32(s + 3 * p - 2, d3);
}
static INLINE void store_buffer_horz_8(__m128i x, int p, int num, uint8_t *s) {
xx_storel_32(s - (num + 1) * p, x);
xx_storel_32(s + num * p, _mm_srli_si128(x, 4));
}
static AOM_FORCE_INLINE void lpf_internal_14_dual_sse2(
__m128i *q6p6, __m128i *q5p5, __m128i *q4p4, __m128i *q3p3, __m128i *q2p2,
__m128i *q1p1, __m128i *q0p0, __m128i *blimit, __m128i *limit,
__m128i *thresh) {
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi8(1);
__m128i mask, hev, flat, flat2;
__m128i qs0ps0, qs1ps1;
__m128i p1p0, q1q0, qs1qs0, ps1ps0;
__m128i abs_p1p0;
p1p0 = _mm_unpacklo_epi64(*q0p0, *q1p1);
q1q0 = _mm_unpackhi_epi64(*q0p0, *q1p1);
{
__m128i abs_p1q1, abs_p0q0, abs_q1q0;
__m128i fe, ff, work;
abs_p1p0 = abs_diff(*q1p1, *q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
fe = _mm_set1_epi8((char)0xfe);
ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
abs_p0q0 = abs_diff(p1p0, q1q0);
abs_p1q1 = _mm_srli_si128(abs_p0q0, 8);
abs_p0q0 = _mm_unpacklo_epi64(abs_p0q0, zero);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, *thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
// replicate for the further "merged variables" usage
hev = _mm_unpacklo_epi64(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(abs_diff(*q2p2, *q1p1), abs_diff(*q3p3, *q2p2));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8));
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
}
// lp filter - the same for 6, 8 and 14 versions
filter4_dual_sse2(&p1p0, &q1q0, &hev, &mask, &qs1qs0, &ps1ps0);
qs0ps0 = _mm_unpacklo_epi64(ps1ps0, qs1qs0);
qs1ps1 = _mm_unpackhi_epi64(ps1ps0, qs1qs0);
// loopfilter done
__m128i flat2_q5p5, flat2_q4p4, flat2_q3p3, flat2_q2p2;
__m128i flat2_q1p1, flat2_q0p0, flat_q2p2, flat_q1p1, flat_q0p0;
__m128i work;
flat = _mm_max_epu8(abs_diff(*q2p2, *q0p0), abs_diff(*q3p3, *q0p0));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
// if flat ==0 then flat2 is zero as well and we don't need any calc below
// sse4.1 if (0==_mm_test_all_zeros(flat,ff))
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// flat and wide flat calculations
const __m128i eight = _mm_set1_epi16(8);
const __m128i four = _mm_set1_epi16(4);
__m128i p6_16, p5_16, p4_16, p3_16, p2_16, p1_16, p0_16;
__m128i q6_16, q5_16, q4_16, q3_16, q2_16, q1_16, q0_16;
__m128i pixelFilter_p, pixelFilter_q;
__m128i pixetFilter_p2p1p0, pixetFilter_q2q1q0;
__m128i sum_p6, sum_q6;
__m128i sum_p3, sum_q3, res_p, res_q;
p6_16 = _mm_unpacklo_epi8(*q6p6, zero);
p5_16 = _mm_unpacklo_epi8(*q5p5, zero);
p4_16 = _mm_unpacklo_epi8(*q4p4, zero);
p3_16 = _mm_unpacklo_epi8(*q3p3, zero);
p2_16 = _mm_unpacklo_epi8(*q2p2, zero);
p1_16 = _mm_unpacklo_epi8(*q1p1, zero);
p0_16 = _mm_unpacklo_epi8(*q0p0, zero);
q0_16 = _mm_unpackhi_epi8(*q0p0, zero);
q1_16 = _mm_unpackhi_epi8(*q1p1, zero);
q2_16 = _mm_unpackhi_epi8(*q2p2, zero);
q3_16 = _mm_unpackhi_epi8(*q3p3, zero);
q4_16 = _mm_unpackhi_epi8(*q4p4, zero);
q5_16 = _mm_unpackhi_epi8(*q5p5, zero);
q6_16 = _mm_unpackhi_epi8(*q6p6, zero);
pixelFilter_p = _mm_add_epi16(p5_16, _mm_add_epi16(p4_16, p3_16));
pixelFilter_q = _mm_add_epi16(q5_16, _mm_add_epi16(q4_16, q3_16));
pixetFilter_p2p1p0 = _mm_add_epi16(p0_16, _mm_add_epi16(p2_16, p1_16));
pixelFilter_p = _mm_add_epi16(pixelFilter_p, pixetFilter_p2p1p0);
pixetFilter_q2q1q0 = _mm_add_epi16(q0_16, _mm_add_epi16(q2_16, q1_16));
pixelFilter_q = _mm_add_epi16(pixelFilter_q, pixetFilter_q2q1q0);
pixelFilter_p =
_mm_add_epi16(eight, _mm_add_epi16(pixelFilter_p, pixelFilter_q));
pixetFilter_p2p1p0 = _mm_add_epi16(
four, _mm_add_epi16(pixetFilter_p2p1p0, pixetFilter_q2q1q0));
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p,
_mm_add_epi16(_mm_add_epi16(p6_16, p0_16),
_mm_add_epi16(p1_16, q0_16))),
4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p,
_mm_add_epi16(_mm_add_epi16(q6_16, q0_16),
_mm_add_epi16(p0_16, q1_16))),
4);
flat2_q0p0 = _mm_packus_epi16(res_p, res_q);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(p3_16, p0_16)), 3);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(q3_16, q0_16)), 3);
flat_q0p0 = _mm_packus_epi16(res_p, res_q);
sum_p6 = _mm_add_epi16(p6_16, p6_16);
sum_q6 = _mm_add_epi16(q6_16, q6_16);
sum_p3 = _mm_add_epi16(p3_16, p3_16);
sum_q3 = _mm_add_epi16(q3_16, q3_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_p, p5_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q5_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_p,
_mm_add_epi16(sum_p6,
_mm_add_epi16(p1_16, _mm_add_epi16(p2_16, p0_16)))),
4);
res_q = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_q,
_mm_add_epi16(sum_q6,
_mm_add_epi16(q1_16, _mm_add_epi16(q0_16, q2_16)))),
4);
flat2_q1p1 = _mm_packus_epi16(res_p, res_q);
pixetFilter_q2q1q0 = _mm_sub_epi16(pixetFilter_p2p1p0, p2_16);
pixetFilter_p2p1p0 = _mm_sub_epi16(pixetFilter_p2p1p0, q2_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(sum_p3, p1_16)), 3);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_q2q1q0, _mm_add_epi16(sum_q3, q1_16)), 3);
flat_q1p1 = _mm_packus_epi16(res_p, res_q);
pixetFilter_p2p1p0 = _mm_sub_epi16(pixetFilter_p2p1p0, q1_16);
pixetFilter_q2q1q0 = _mm_sub_epi16(pixetFilter_q2q1q0, p1_16);
sum_p3 = _mm_add_epi16(sum_p3, p3_16);
sum_q3 = _mm_add_epi16(sum_q3, q3_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_p2p1p0, _mm_add_epi16(sum_p3, p2_16)), 3);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixetFilter_q2q1q0, _mm_add_epi16(sum_q3, q2_16)), 3);
flat_q2p2 = _mm_packus_epi16(res_p, res_q);
// work with flat2
flat2 = _mm_max_epu8(abs_diff(*q4p4, *q0p0), abs_diff(*q5p5, *q0p0));
work = abs_diff(*q6p6, *q0p0);
flat2 = _mm_max_epu8(work, flat2);
flat2 = _mm_max_epu8(flat2, _mm_srli_si128(flat2, 8));
flat2 = _mm_subs_epu8(flat2, one);
flat2 = _mm_cmpeq_epi8(flat2, zero);
flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
// ~~~~~~~~~~ apply flat ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
flat = _mm_unpacklo_epi64(flat, flat);
*q2p2 = _mm_andnot_si128(flat, *q2p2);
flat_q2p2 = _mm_and_si128(flat, flat_q2p2);
*q2p2 = _mm_or_si128(*q2p2, flat_q2p2);
qs1ps1 = _mm_andnot_si128(flat, qs1ps1);
flat_q1p1 = _mm_and_si128(flat, flat_q1p1);
*q1p1 = _mm_or_si128(qs1ps1, flat_q1p1);
qs0ps0 = _mm_andnot_si128(flat, qs0ps0);
flat_q0p0 = _mm_and_si128(flat, flat_q0p0);
*q0p0 = _mm_or_si128(qs0ps0, flat_q0p0);
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat2, zero))) {
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q4_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p4_16);
sum_p6 = _mm_add_epi16(sum_p6, p6_16);
sum_q6 = _mm_add_epi16(sum_q6, q6_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_p,
_mm_add_epi16(sum_p6,
_mm_add_epi16(p2_16, _mm_add_epi16(p3_16, p1_16)))),
4);
res_q = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_q,
_mm_add_epi16(sum_q6,
_mm_add_epi16(q2_16, _mm_add_epi16(q1_16, q3_16)))),
4);
flat2_q2p2 = _mm_packus_epi16(res_p, res_q);
sum_p6 = _mm_add_epi16(sum_p6, p6_16);
sum_q6 = _mm_add_epi16(sum_q6, q6_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q3_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p3_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_p,
_mm_add_epi16(sum_p6,
_mm_add_epi16(p3_16, _mm_add_epi16(p4_16, p2_16)))),
4);
res_q = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_q,
_mm_add_epi16(sum_q6,
_mm_add_epi16(q3_16, _mm_add_epi16(q2_16, q4_16)))),
4);
flat2_q3p3 = _mm_packus_epi16(res_p, res_q);
sum_p6 = _mm_add_epi16(sum_p6, p6_16);
sum_q6 = _mm_add_epi16(sum_q6, q6_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q2_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p2_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_p,
_mm_add_epi16(sum_p6,
_mm_add_epi16(p4_16, _mm_add_epi16(p5_16, p3_16)))),
4);
res_q = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_q,
_mm_add_epi16(sum_q6,
_mm_add_epi16(q4_16, _mm_add_epi16(q3_16, q5_16)))),
4);
flat2_q4p4 = _mm_packus_epi16(res_p, res_q);
sum_p6 = _mm_add_epi16(sum_p6, p6_16);
sum_q6 = _mm_add_epi16(sum_q6, q6_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q1_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p1_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_p,
_mm_add_epi16(sum_p6,
_mm_add_epi16(p5_16, _mm_add_epi16(p6_16, p4_16)))),
4);
res_q = _mm_srli_epi16(
_mm_add_epi16(
pixelFilter_q,
_mm_add_epi16(sum_q6,
_mm_add_epi16(q5_16, _mm_add_epi16(q6_16, q4_16)))),
4);
flat2_q5p5 = _mm_packus_epi16(res_p, res_q);
// wide flat
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
flat2 = _mm_unpacklo_epi64(flat2, flat2);
*q5p5 = _mm_andnot_si128(flat2, *q5p5);
flat2_q5p5 = _mm_and_si128(flat2, flat2_q5p5);
*q5p5 = _mm_or_si128(*q5p5, flat2_q5p5);
*q4p4 = _mm_andnot_si128(flat2, *q4p4);
flat2_q4p4 = _mm_and_si128(flat2, flat2_q4p4);
*q4p4 = _mm_or_si128(*q4p4, flat2_q4p4);
*q3p3 = _mm_andnot_si128(flat2, *q3p3);
flat2_q3p3 = _mm_and_si128(flat2, flat2_q3p3);
*q3p3 = _mm_or_si128(*q3p3, flat2_q3p3);
*q2p2 = _mm_andnot_si128(flat2, *q2p2);
flat2_q2p2 = _mm_and_si128(flat2, flat2_q2p2);
*q2p2 = _mm_or_si128(*q2p2, flat2_q2p2);
*q1p1 = _mm_andnot_si128(flat2, *q1p1);
flat2_q1p1 = _mm_and_si128(flat2, flat2_q1p1);
*q1p1 = _mm_or_si128(*q1p1, flat2_q1p1);
*q0p0 = _mm_andnot_si128(flat2, *q0p0);
flat2_q0p0 = _mm_and_si128(flat2, flat2_q0p0);
*q0p0 = _mm_or_si128(*q0p0, flat2_q0p0);
}
} else {
*q0p0 = qs0ps0;
*q1p1 = qs1ps1;
}
}
static AOM_FORCE_INLINE void lpf_internal_14_sse2(
__m128i *q6p6, __m128i *q5p5, __m128i *q4p4, __m128i *q3p3, __m128i *q2p2,
__m128i *q1p1, __m128i *q0p0, __m128i *blimit, __m128i *limit,
__m128i *thresh) {
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi8(1);
__m128i mask, hev, flat, flat2;
__m128i flat2_pq[6], flat_pq[3];
__m128i qs0ps0, qs1ps1;
__m128i p1p0, q1q0, qs1qs0, ps1ps0;
__m128i abs_p1p0;
p1p0 = _mm_unpacklo_epi32(*q0p0, *q1p1);
q1q0 = _mm_srli_si128(p1p0, 8);
__m128i fe, ff, work;
{
__m128i abs_p1q1, abs_p0q0, abs_q1q0;
abs_p1p0 = abs_diff(*q1p1, *q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 4);
fe = _mm_set1_epi8((char)0xfe);
ff = _mm_cmpeq_epi8(fe, fe);
abs_p0q0 = abs_diff(p1p0, q1q0);
abs_p1q1 = _mm_srli_si128(abs_p0q0, 4);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, *thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
// replicate for the further "merged variables" usage
hev = _mm_unpacklo_epi32(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit);
mask = _mm_unpacklo_epi32(mask, zero);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(abs_diff(*q2p2, *q1p1), abs_diff(*q3p3, *q2p2));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 4));
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
}
// lp filter - the same for 6, 8 and 14 versions
filter4_sse2(&p1p0, &q1q0, &hev, &mask, &qs1qs0, &ps1ps0);
qs0ps0 = _mm_unpacklo_epi32(ps1ps0, qs1qs0);
qs1ps1 = _mm_srli_si128(qs0ps0, 8);
// loopfilter done
flat = _mm_max_epu8(abs_diff(*q2p2, *q0p0), abs_diff(*q3p3, *q0p0));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
flat = _mm_unpacklo_epi32(flat, flat);
flat = _mm_unpacklo_epi64(flat, flat);
// if flat ==0 then flat2 is zero as well and we don't need any calc below
// sse4.1 if (0==_mm_test_all_zeros(flat,ff))
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// flat and wide flat calculations
__m128i q5_16, q4_16, q3_16, q2_16, q1_16, q0_16;
__m128i pq_16[7];
const __m128i eight = _mm_set1_epi16(8);
const __m128i four = _mm_set1_epi16(4);
__m128i sum_p6;
__m128i sum_p3;
pq_16[0] = _mm_unpacklo_epi8(*q0p0, zero);
pq_16[1] = _mm_unpacklo_epi8(*q1p1, zero);
pq_16[2] = _mm_unpacklo_epi8(*q2p2, zero);
pq_16[3] = _mm_unpacklo_epi8(*q3p3, zero);
pq_16[4] = _mm_unpacklo_epi8(*q4p4, zero);
pq_16[5] = _mm_unpacklo_epi8(*q5p5, zero);
pq_16[6] = _mm_unpacklo_epi8(*q6p6, zero);
q0_16 = _mm_srli_si128(pq_16[0], 8);
q1_16 = _mm_srli_si128(pq_16[1], 8);
q2_16 = _mm_srli_si128(pq_16[2], 8);
q3_16 = _mm_srli_si128(pq_16[3], 8);
q4_16 = _mm_srli_si128(pq_16[4], 8);
q5_16 = _mm_srli_si128(pq_16[5], 8);
__m128i flat_p[3], flat_q[3];
__m128i flat2_p[6], flat2_q[6];
__m128i work0, work0_0, work0_1, sum_p_0;
__m128i sum_p = _mm_add_epi16(pq_16[5], _mm_add_epi16(pq_16[4], pq_16[3]));
__m128i sum_lp = _mm_add_epi16(pq_16[0], _mm_add_epi16(pq_16[2], pq_16[1]));
sum_p = _mm_add_epi16(sum_p, sum_lp);
__m128i sum_lq = _mm_srli_si128(sum_lp, 8);
__m128i sum_q = _mm_srli_si128(sum_p, 8);
sum_p_0 = _mm_add_epi16(eight, _mm_add_epi16(sum_p, sum_q));
sum_lp = _mm_add_epi16(four, _mm_add_epi16(sum_lp, sum_lq));
flat_p[0] = _mm_add_epi16(sum_lp, _mm_add_epi16(pq_16[3], pq_16[0]));
flat_q[0] = _mm_add_epi16(sum_lp, _mm_add_epi16(q3_16, q0_16));
sum_p6 = _mm_add_epi16(pq_16[6], pq_16[6]);
sum_p3 = _mm_add_epi16(pq_16[3], pq_16[3]);
sum_q = _mm_sub_epi16(sum_p_0, pq_16[5]);
sum_p = _mm_sub_epi16(sum_p_0, q5_16);
work0_0 = _mm_add_epi16(_mm_add_epi16(pq_16[6], pq_16[0]), pq_16[1]);
work0_1 = _mm_add_epi16(
sum_p6, _mm_add_epi16(pq_16[1], _mm_add_epi16(pq_16[2], pq_16[0])));
sum_lq = _mm_sub_epi16(sum_lp, pq_16[2]);
sum_lp = _mm_sub_epi16(sum_lp, q2_16);
work0 = _mm_add_epi16(sum_p3, pq_16[1]);
flat_p[1] = _mm_add_epi16(sum_lp, work0);
flat_q[1] = _mm_add_epi16(sum_lq, _mm_srli_si128(work0, 8));
flat_pq[0] = _mm_srli_epi16(_mm_unpacklo_epi64(flat_p[0], flat_q[0]), 3);
flat_pq[1] = _mm_srli_epi16(_mm_unpacklo_epi64(flat_p[1], flat_q[1]), 3);
flat_pq[0] = _mm_packus_epi16(flat_pq[0], flat_pq[0]);
flat_pq[1] = _mm_packus_epi16(flat_pq[1], flat_pq[1]);
sum_lp = _mm_sub_epi16(sum_lp, q1_16);
sum_lq = _mm_sub_epi16(sum_lq, pq_16[1]);
sum_p3 = _mm_add_epi16(sum_p3, pq_16[3]);
work0 = _mm_add_epi16(sum_p3, pq_16[2]);
flat_p[2] = _mm_add_epi16(sum_lp, work0);
flat_q[2] = _mm_add_epi16(sum_lq, _mm_srli_si128(work0, 8));
flat_pq[2] = _mm_srli_epi16(_mm_unpacklo_epi64(flat_p[2], flat_q[2]), 3);
flat_pq[2] = _mm_packus_epi16(flat_pq[2], flat_pq[2]);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~ flat 2 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
flat2 = _mm_max_epu8(abs_diff(*q4p4, *q0p0), abs_diff(*q5p5, *q0p0));
work = abs_diff(*q6p6, *q0p0);
flat2 = _mm_max_epu8(work, flat2);
flat2 = _mm_max_epu8(flat2, _mm_srli_si128(flat2, 4));
flat2 = _mm_subs_epu8(flat2, one);
flat2 = _mm_cmpeq_epi8(flat2, zero);
flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
flat2 = _mm_unpacklo_epi32(flat2, flat2);
// ~~~~~~~~~~ apply flat ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
qs0ps0 = _mm_andnot_si128(flat, qs0ps0);
flat_pq[0] = _mm_and_si128(flat, flat_pq[0]);
*q0p0 = _mm_or_si128(qs0ps0, flat_pq[0]);
qs1ps1 = _mm_andnot_si128(flat, qs1ps1);
flat_pq[1] = _mm_and_si128(flat, flat_pq[1]);
*q1p1 = _mm_or_si128(qs1ps1, flat_pq[1]);
*q2p2 = _mm_andnot_si128(flat, *q2p2);
flat_pq[2] = _mm_and_si128(flat, flat_pq[2]);
*q2p2 = _mm_or_si128(*q2p2, flat_pq[2]);
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat2, zero))) {
flat2_p[0] = _mm_add_epi16(sum_p_0, _mm_add_epi16(work0_0, q0_16));
flat2_q[0] = _mm_add_epi16(
sum_p_0, _mm_add_epi16(_mm_srli_si128(work0_0, 8), pq_16[0]));
flat2_p[1] = _mm_add_epi16(sum_p, work0_1);
flat2_q[1] = _mm_add_epi16(sum_q, _mm_srli_si128(work0_1, 8));
flat2_pq[0] =
_mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[0], flat2_q[0]), 4);
flat2_pq[1] =
_mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[1], flat2_q[1]), 4);
flat2_pq[0] = _mm_packus_epi16(flat2_pq[0], flat2_pq[0]);
flat2_pq[1] = _mm_packus_epi16(flat2_pq[1], flat2_pq[1]);
sum_p = _mm_sub_epi16(sum_p, q4_16);
sum_q = _mm_sub_epi16(sum_q, pq_16[4]);
sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]);
work0 = _mm_add_epi16(
sum_p6, _mm_add_epi16(pq_16[2], _mm_add_epi16(pq_16[3], pq_16[1])));
flat2_p[2] = _mm_add_epi16(sum_p, work0);
flat2_q[2] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8));
flat2_pq[2] =
_mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[2], flat2_q[2]), 4);
flat2_pq[2] = _mm_packus_epi16(flat2_pq[2], flat2_pq[2]);
sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]);
sum_p = _mm_sub_epi16(sum_p, q3_16);
sum_q = _mm_sub_epi16(sum_q, pq_16[3]);
work0 = _mm_add_epi16(
sum_p6, _mm_add_epi16(pq_16[3], _mm_add_epi16(pq_16[4], pq_16[2])));
flat2_p[3] = _mm_add_epi16(sum_p, work0);
flat2_q[3] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8));
flat2_pq[3] =
_mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[3], flat2_q[3]), 4);
flat2_pq[3] = _mm_packus_epi16(flat2_pq[3], flat2_pq[3]);
sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]);
sum_p = _mm_sub_epi16(sum_p, q2_16);
sum_q = _mm_sub_epi16(sum_q, pq_16[2]);
work0 = _mm_add_epi16(
sum_p6, _mm_add_epi16(pq_16[4], _mm_add_epi16(pq_16[5], pq_16[3])));
flat2_p[4] = _mm_add_epi16(sum_p, work0);
flat2_q[4] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8));
flat2_pq[4] =
_mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[4], flat2_q[4]), 4);
flat2_pq[4] = _mm_packus_epi16(flat2_pq[4], flat2_pq[4]);
sum_p6 = _mm_add_epi16(sum_p6, pq_16[6]);
sum_p = _mm_sub_epi16(sum_p, q1_16);
sum_q = _mm_sub_epi16(sum_q, pq_16[1]);
work0 = _mm_add_epi16(
sum_p6, _mm_add_epi16(pq_16[5], _mm_add_epi16(pq_16[6], pq_16[4])));
flat2_p[5] = _mm_add_epi16(sum_p, work0);
flat2_q[5] = _mm_add_epi16(sum_q, _mm_srli_si128(work0, 8));
flat2_pq[5] =
_mm_srli_epi16(_mm_unpacklo_epi64(flat2_p[5], flat2_q[5]), 4);
flat2_pq[5] = _mm_packus_epi16(flat2_pq[5], flat2_pq[5]);
// wide flat
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*q0p0 = _mm_andnot_si128(flat2, *q0p0);
flat2_pq[0] = _mm_and_si128(flat2, flat2_pq[0]);
*q0p0 = _mm_or_si128(*q0p0, flat2_pq[0]);
*q1p1 = _mm_andnot_si128(flat2, *q1p1);
flat2_pq[1] = _mm_and_si128(flat2, flat2_pq[1]);
*q1p1 = _mm_or_si128(*q1p1, flat2_pq[1]);
*q2p2 = _mm_andnot_si128(flat2, *q2p2);
flat2_pq[2] = _mm_and_si128(flat2, flat2_pq[2]);
*q2p2 = _mm_or_si128(*q2p2, flat2_pq[2]);
*q3p3 = _mm_andnot_si128(flat2, *q3p3);
flat2_pq[3] = _mm_and_si128(flat2, flat2_pq[3]);
*q3p3 = _mm_or_si128(*q3p3, flat2_pq[3]);
*q4p4 = _mm_andnot_si128(flat2, *q4p4);
flat2_pq[4] = _mm_and_si128(flat2, flat2_pq[4]);
*q4p4 = _mm_or_si128(*q4p4, flat2_pq[4]);
*q5p5 = _mm_andnot_si128(flat2, *q5p5);
flat2_pq[5] = _mm_and_si128(flat2, flat2_pq[5]);
*q5p5 = _mm_or_si128(*q5p5, flat2_pq[5]);
}
} else {
*q0p0 = qs0ps0;
*q1p1 = qs1ps1;
}
}
void aom_lpf_horizontal_14_sse2(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0;
__m128i blimit = _mm_load_si128((const __m128i *)_blimit);
__m128i limit = _mm_load_si128((const __m128i *)_limit);
__m128i thresh = _mm_load_si128((const __m128i *)_thresh);
q4p4 = _mm_unpacklo_epi32(xx_loadl_32(s - 5 * p), xx_loadl_32(s + 4 * p));
q3p3 = _mm_unpacklo_epi32(xx_loadl_32(s - 4 * p), xx_loadl_32(s + 3 * p));
q2p2 = _mm_unpacklo_epi32(xx_loadl_32(s - 3 * p), xx_loadl_32(s + 2 * p));
q1p1 = _mm_unpacklo_epi32(xx_loadl_32(s - 2 * p), xx_loadl_32(s + 1 * p));
q0p0 = _mm_unpacklo_epi32(xx_loadl_32(s - 1 * p), xx_loadl_32(s - 0 * p));
q5p5 = _mm_unpacklo_epi32(xx_loadl_32(s - 6 * p), xx_loadl_32(s + 5 * p));
q6p6 = _mm_unpacklo_epi32(xx_loadl_32(s - 7 * p), xx_loadl_32(s + 6 * p));
lpf_internal_14_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0, &blimit,
&limit, &thresh);
store_buffer_horz_8(q0p0, p, 0, s);
store_buffer_horz_8(q1p1, p, 1, s);
store_buffer_horz_8(q2p2, p, 2, s);
store_buffer_horz_8(q3p3, p, 3, s);
store_buffer_horz_8(q4p4, p, 4, s);
store_buffer_horz_8(q5p5, p, 5, s);
}
static AOM_FORCE_INLINE void lpf_internal_6_dual_sse2(
__m128i *p2, __m128i *q2, __m128i *p1, __m128i *q1, __m128i *p0,
__m128i *q0, __m128i *q1q0, __m128i *p1p0, __m128i *blimit, __m128i *limit,
__m128i *thresh) {
const __m128i zero = _mm_setzero_si128();
__m128i mask, hev, flat;
__m128i q2p2, q1p1, q0p0, flat_p1p0, flat_q0q1;
__m128i p2_16, q2_16, p1_16, q1_16, p0_16, q0_16;
__m128i ps1ps0, qs1qs0;
q2p2 = _mm_unpacklo_epi64(*p2, *q2);
q1p1 = _mm_unpacklo_epi64(*p1, *q1);
q0p0 = _mm_unpacklo_epi64(*p0, *q0);
*p1p0 = _mm_unpacklo_epi64(q0p0, q1p1);
*q1q0 = _mm_unpackhi_epi64(q0p0, q1p1);
const __m128i one = _mm_set1_epi8(1);
const __m128i fe = _mm_set1_epi8((char)0xfe);
const __m128i ff = _mm_cmpeq_epi8(fe, fe);
{
// filter_mask and hev_mask
__m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work;
abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
abs_p0q0 = abs_diff(*p1p0, *q1q0);
abs_p1q1 = _mm_srli_si128(abs_p0q0, 8);
abs_p0q0 = _mm_unpacklo_epi64(abs_p0q0, zero);
// considering sse doesn't have unsigned elements comparison the idea is
// to find at least one case when X > limit, it means the corresponding
// mask bit is set.
// to achieve that we find global max value of all inputs of abs(x-y) or
// (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set
// otherwise - not
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, *thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
// replicate for the further "merged variables" usage
hev = _mm_unpacklo_epi64(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = abs_diff(q2p2, q1p1);
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8));
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
// lp filter - the same for 6, 8 and 14 versions
filter4_dual_sse2(p1p0, q1q0, &hev, &mask, q1q0, p1p0);
// flat_mask
flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_p1p0);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
// replicate for the further "merged variables" usage
flat = _mm_unpacklo_epi64(flat, flat);
}
// 5 tap filter
// need it only if flat !=0
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
const __m128i four = _mm_set1_epi16(4);
__m128i workp_a, workp_b, workp_shft0, workp_shft1;
p2_16 = _mm_unpacklo_epi8(*p2, zero);
p1_16 = _mm_unpacklo_epi8(*p1, zero);
p0_16 = _mm_unpacklo_epi8(*p0, zero);
q0_16 = _mm_unpacklo_epi8(*q0, zero);
q1_16 = _mm_unpacklo_epi8(*q1, zero);
q2_16 = _mm_unpacklo_epi8(*q2, zero);
// op1
workp_a = _mm_add_epi16(_mm_add_epi16(p0_16, p0_16),
_mm_add_epi16(p1_16, p1_16)); // p0 *2 + p1 * 2
workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four),
p2_16); // p2 + p0 * 2 + p1 * 2 + 4
workp_b = _mm_add_epi16(_mm_add_epi16(p2_16, p2_16), q0_16);
workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b),
3); // p2 * 3 + p1 * 2 + p0 * 2 + q0 + 4
// op0
workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, q0_16), q1_16); // q0 * 2 + q1
workp_a = _mm_add_epi16(workp_a,
workp_b); // p2 + p0 * 2 + p1 * 2 + q0 * 2 + q1 + 4
workp_shft1 = _mm_srli_epi16(workp_a, 3);
flat_p1p0 = _mm_packus_epi16(workp_shft1, workp_shft0);
// oq0
workp_a = _mm_sub_epi16(_mm_sub_epi16(workp_a, p2_16),
p1_16); // p0 * 2 + p1 + q0 * 2 + q1 + 4
workp_b = _mm_add_epi16(q1_16, q2_16);
workp_a = _mm_add_epi16(
workp_a, workp_b); // p0 * 2 + p1 + q0 * 2 + q1 * 2 + q2 + 4
workp_shft0 = _mm_srli_epi16(workp_a, 3);
// oq1
workp_a = _mm_sub_epi16(_mm_sub_epi16(workp_a, p1_16),
p0_16); // p0 + q0 * 2 + q1 * 2 + q2 + 4
workp_b = _mm_add_epi16(q2_16, q2_16);
workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b),
3); // p0 + q0 * 2 + q1 * 2 + q2 * 3 + 4
flat_q0q1 = _mm_packus_epi16(workp_shft0, workp_shft1);
qs1qs0 = _mm_andnot_si128(flat, *q1q0);
*q1q0 = _mm_and_si128(flat, flat_q0q1);
*q1q0 = _mm_or_si128(qs1qs0, *q1q0);
ps1ps0 = _mm_andnot_si128(flat, *p1p0);
*p1p0 = _mm_and_si128(flat, flat_p1p0);
*p1p0 = _mm_or_si128(ps1ps0, *p1p0);
}
}
static AOM_FORCE_INLINE void lpf_internal_6_sse2(
__m128i *p2, __m128i *q2, __m128i *p1, __m128i *q1, __m128i *p0,
__m128i *q0, __m128i *q1q0, __m128i *p1p0, __m128i *blimit, __m128i *limit,
__m128i *thresh) {
const __m128i zero = _mm_setzero_si128();
__m128i mask, hev, flat;
__m128i q2p2, q1p1, q0p0, flat_p1p0, flat_q0q1;
__m128i pq2_16, q2_16, pq1_16, pq0_16, q0_16;
__m128i ps1ps0, qs1qs0;
q2p2 = _mm_unpacklo_epi32(*p2, *q2);
q1p1 = _mm_unpacklo_epi32(*p1, *q1);
q0p0 = _mm_unpacklo_epi32(*p0, *q0);
*p1p0 = _mm_unpacklo_epi32(*p0, *p1);
*q1q0 = _mm_unpacklo_epi32(*q0, *q1);
const __m128i one = _mm_set1_epi8(1);
const __m128i fe = _mm_set1_epi8((char)0xfe);
const __m128i ff = _mm_cmpeq_epi8(fe, fe);
{
// filter_mask and hev_mask
__m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work;
abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 4);
abs_p0q0 = abs_diff(*p1p0, *q1q0);
abs_p1q1 = _mm_srli_si128(abs_p0q0, 4);
// considering sse doesn't have unsigned elements comparison the idea is
// to find at least one case when X > limit, it means the corresponding
// mask bit is set.
// to achieve that we find global max value of all inputs of abs(x-y) or
// (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set
// otherwise - not
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, *thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
// replicate for the further "merged variables" usage
hev = _mm_unpacklo_epi32(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit);
mask = _mm_unpacklo_epi32(mask, zero);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = abs_diff(q2p2, q1p1);
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 4));
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
// lp filter - the same for 6, 8 and 14 versions
filter4_sse2(p1p0, q1q0, &hev, &mask, q1q0, p1p0);
// flat_mask
flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_p1p0);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
// replicate for the further "merged variables" usage
flat = _mm_unpacklo_epi32(flat, flat);
flat = _mm_unpacklo_epi64(flat, flat);
}
// 5 tap filter
// need it only if flat !=0
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
const __m128i four = _mm_set1_epi16(4);
__m128i workp_a, workp_b, workp_c;
__m128i pq0x2_pq1, pq1_pq2;
pq2_16 = _mm_unpacklo_epi8(q2p2, zero);
pq1_16 = _mm_unpacklo_epi8(q1p1, zero);
pq0_16 = _mm_unpacklo_epi8(q0p0, zero);
q0_16 = _mm_srli_si128(pq0_16, 8);
q2_16 = _mm_srli_si128(pq2_16, 8);
// op1
pq0x2_pq1 =
_mm_add_epi16(_mm_add_epi16(pq0_16, pq0_16), pq1_16); // p0 *2 + p1
pq1_pq2 = _mm_add_epi16(pq1_16, pq2_16); // p1 + p2
workp_a = _mm_add_epi16(_mm_add_epi16(pq0x2_pq1, four),
pq1_pq2); // p2 + p0 * 2 + p1 * 2 + 4
workp_b = _mm_add_epi16(_mm_add_epi16(pq2_16, pq2_16), q0_16);
workp_b =
_mm_add_epi16(workp_a, workp_b); // p2 * 3 + p1 * 2 + p0 * 2 + q0 + 4
// op0
workp_c = _mm_srli_si128(pq0x2_pq1, 8); // q0 * 2 + q1
workp_a = _mm_add_epi16(workp_a,
workp_c); // p2 + p0 * 2 + p1 * 2 + q0 * 2 + q1 + 4
workp_b = _mm_unpacklo_epi64(workp_a, workp_b);
workp_b = _mm_srli_epi16(workp_b, 3);
flat_p1p0 = _mm_packus_epi16(workp_b, workp_b);
// oq0
workp_a = _mm_sub_epi16(_mm_sub_epi16(workp_a, pq2_16),
pq1_16); // p0 * 2 + p1 + q0 * 2 + q1 + 4
workp_b = _mm_srli_si128(pq1_pq2, 8);
workp_a = _mm_add_epi16(
workp_a, workp_b); // p0 * 2 + p1 + q0 * 2 + q1 * 2 + q2 + 4
// workp_shft0 = _mm_srli_epi16(workp_a, 3);
// oq1
workp_c = _mm_sub_epi16(_mm_sub_epi16(workp_a, pq1_16),
pq0_16); // p0 + q0 * 2 + q1 * 2 + q2 + 4
workp_b = _mm_add_epi16(q2_16, q2_16);
workp_b =
_mm_add_epi16(workp_c, workp_b); // p0 + q0 * 2 + q1 * 2 + q2 * 3 + 4
workp_a = _mm_unpacklo_epi64(workp_a, workp_b);
workp_a = _mm_srli_epi16(workp_a, 3);
flat_q0q1 = _mm_packus_epi16(workp_a, workp_a);
qs1qs0 = _mm_andnot_si128(flat, *q1q0);
*q1q0 = _mm_and_si128(flat, flat_q0q1);
*q1q0 = _mm_or_si128(qs1qs0, *q1q0);
ps1ps0 = _mm_andnot_si128(flat, *p1p0);
*p1p0 = _mm_and_si128(flat, flat_p1p0);
*p1p0 = _mm_or_si128(ps1ps0, *p1p0);
}
}
void aom_lpf_horizontal_6_sse2(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i p2, p1, p0, q0, q1, q2;
__m128i p1p0, q1q0;
__m128i blimit = _mm_load_si128((__m128i *)_blimit);
__m128i limit = _mm_load_si128((__m128i *)_limit);
__m128i thresh = _mm_load_si128((__m128i *)_thresh);
p2 = xx_loadl_32(s - 3 * p);
p1 = xx_loadl_32(s - 2 * p);
p0 = xx_loadl_32(s - 1 * p);
q0 = xx_loadl_32(s - 0 * p);
q1 = xx_loadl_32(s + 1 * p);
q2 = xx_loadl_32(s + 2 * p);
lpf_internal_6_sse2(&p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0, &blimit,
&limit, &thresh);
xx_storel_32(s - 1 * p, p1p0);
xx_storel_32(s - 2 * p, _mm_srli_si128(p1p0, 4));
xx_storel_32(s + 0 * p, q1q0);
xx_storel_32(s + 1 * p, _mm_srli_si128(q1q0, 4));
}
void aom_lpf_horizontal_6_dual_sse2(unsigned char *s, int p,
const unsigned char *_blimit0,
const unsigned char *_limit0,
const unsigned char *_thresh0,
const unsigned char *_blimit1,
const unsigned char *_limit1,
const unsigned char *_thresh1) {
__m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0),
_mm_load_si128((__m128i *)_blimit1));
__m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0),
_mm_load_si128((__m128i *)_limit1));
__m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0),
_mm_load_si128((__m128i *)_thresh1));
__m128i p2, p1, p0, q0, q1, q2;
__m128i p1p0, q1q0;
p2 = _mm_loadl_epi64((__m128i *)(s - 3 * p));
p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p));
p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p));
q0 = _mm_loadl_epi64((__m128i *)(s - 0 * p));
q1 = _mm_loadl_epi64((__m128i *)(s + 1 * p));
q2 = _mm_loadl_epi64((__m128i *)(s + 2 * p));
lpf_internal_6_dual_sse2(&p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0, &blimit,
&limit, &thresh);
_mm_storel_epi64((__m128i *)(s - 1 * p), p1p0);
_mm_storel_epi64((__m128i *)(s - 2 * p), _mm_srli_si128(p1p0, 8));
_mm_storel_epi64((__m128i *)(s + 0 * p), q1q0);
_mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(q1q0, 8));
}
static AOM_FORCE_INLINE void lpf_internal_8_sse2(
__m128i *p3, __m128i *q3, __m128i *p2, __m128i *q2, __m128i *p1,
__m128i *q1, __m128i *p0, __m128i *q0, __m128i *q1q0_out, __m128i *p1p0_out,
__m128i *blimit, __m128i *limit, __m128i *thresh) {
const __m128i zero = _mm_setzero_si128();
__m128i mask, hev, flat;
__m128i p2_16, q2_16, p1_16, p0_16, q0_16, q1_16, p3_16, q3_16, q3p3,
flat_p1p0, flat_q0q1;
__m128i q2p2, q1p1, q0p0;
__m128i q1q0, p1p0, ps1ps0, qs1qs0;
__m128i work_pq, opq2, pq2;
q3p3 = _mm_unpacklo_epi32(*p3, *q3);
q2p2 = _mm_unpacklo_epi32(*p2, *q2);
q1p1 = _mm_unpacklo_epi32(*p1, *q1);
q0p0 = _mm_unpacklo_epi32(*p0, *q0);
p1p0 = _mm_unpacklo_epi32(q0p0, q1p1); // p1p0 q1q0
q1q0 = _mm_srli_si128(p1p0, 8);
// filter_mask and hev_mask
// considering sse doesn't have unsigned elements comparison the idea is to
// find at least one case when X > limit, it means the corresponding mask
// bit is set.
// to achieve that we find global max value of all inputs of abs(x-y) or
// (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set
// otherwise - not
const __m128i one = _mm_set1_epi8(1);
const __m128i fe = _mm_set1_epi8((char)0xfe);
const __m128i ff = _mm_cmpeq_epi8(fe, fe);
__m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work;
abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 4);
abs_p0q0 = abs_diff(p1p0, q1q0);
abs_p1q1 = _mm_srli_si128(abs_p0q0, 4);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, *thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
// replicate for the further "merged variables" usage
hev = _mm_unpacklo_epi32(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit);
mask = _mm_unpacklo_epi32(mask, zero);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(abs_diff(q2p2, q1p1), abs_diff(q3p3, q2p2));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 4));
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
// lp filter - the same for 6, 8 and 14 versions
filter4_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out);
// flat_mask4
flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_diff(q3p3, q0p0));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 4));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
// replicate for the further "merged variables" usage
flat = _mm_unpacklo_epi32(flat, flat);
flat = _mm_unpacklo_epi64(flat, flat);
// filter8 need it only if flat !=0
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
const __m128i four = _mm_set1_epi16(4);
__m128i workp_a, workp_b, workp_c, workp_d, workp_shft1, workp_shft2;
p2_16 = _mm_unpacklo_epi8(*p2, zero);
p1_16 = _mm_unpacklo_epi8(*p1, zero);
p0_16 = _mm_unpacklo_epi8(*p0, zero);
q0_16 = _mm_unpacklo_epi8(*q0, zero);
q1_16 = _mm_unpacklo_epi8(*q1, zero);
q2_16 = _mm_unpacklo_epi8(*q2, zero);
p3_16 = _mm_unpacklo_epi8(*p3, zero);
q3_16 = _mm_unpacklo_epi8(*q3, zero);
// op2
workp_a =
_mm_add_epi16(_mm_add_epi16(p3_16, p3_16), _mm_add_epi16(p2_16, p1_16));
workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), p0_16);
workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, p2_16), p3_16);
workp_shft2 = _mm_add_epi16(workp_a, workp_b);
// op1
workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, q1_16), p1_16);
workp_c = _mm_add_epi16(workp_a, workp_b);
// workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
// op0
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q2_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p1_16), p0_16);
workp_d = _mm_add_epi16(workp_a, workp_b);
// workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
workp_c = _mm_unpacklo_epi64(workp_d, workp_c);
workp_c = _mm_srli_epi16(workp_c, 3);
flat_p1p0 = _mm_packus_epi16(workp_c, workp_c);
// oq0
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q3_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p0_16), q0_16);
// workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
workp_c = _mm_add_epi16(workp_a, workp_b);
// oq1
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p2_16), q3_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q0_16), q1_16);
workp_d = _mm_add_epi16(workp_a, workp_b);
// workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
workp_c = _mm_unpacklo_epi64(workp_c, workp_d);
workp_c = _mm_srli_epi16(workp_c, 3);
flat_q0q1 = _mm_packus_epi16(workp_c, workp_c);
// oq2
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p1_16), q3_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q1_16), q2_16);
workp_shft1 = _mm_add_epi16(workp_a, workp_b);
workp_c = _mm_unpacklo_epi64(workp_shft2, workp_shft1);
workp_c = _mm_srli_epi16(workp_c, 3);
opq2 = _mm_packus_epi16(workp_c, workp_c);
work_pq = _mm_andnot_si128(flat, q2p2);
pq2 = _mm_and_si128(flat, opq2);
*p2 = _mm_or_si128(work_pq, pq2);
*q2 = _mm_srli_si128(*p2, 4);
qs1qs0 = _mm_andnot_si128(flat, *q1q0_out);
q1q0 = _mm_and_si128(flat, flat_q0q1);
*q1q0_out = _mm_or_si128(qs1qs0, q1q0);
ps1ps0 = _mm_andnot_si128(flat, *p1p0_out);
p1p0 = _mm_and_si128(flat, flat_p1p0);
*p1p0_out = _mm_or_si128(ps1ps0, p1p0);
}
}
static AOM_FORCE_INLINE void lpf_internal_8_dual_sse2(
__m128i *p3, __m128i *q3, __m128i *p2, __m128i *q2, __m128i *p1,
__m128i *q1, __m128i *p0, __m128i *q0, __m128i *q1q0_out, __m128i *p1p0_out,
__m128i *blimit, __m128i *limit, __m128i *thresh) {
const __m128i zero = _mm_setzero_si128();
__m128i mask, hev, flat;
__m128i p2_16, q2_16, p1_16, p0_16, q0_16, q1_16, p3_16, q3_16, q3p3,
flat_p1p0, flat_q0q1;
__m128i q2p2, q1p1, q0p0;
__m128i q1q0, p1p0, ps1ps0, qs1qs0;
__m128i work_pq, opq2, pq2;
q3p3 = _mm_unpacklo_epi64(*p3, *q3);
q2p2 = _mm_unpacklo_epi64(*p2, *q2);
q1p1 = _mm_unpacklo_epi64(*p1, *q1);
q0p0 = _mm_unpacklo_epi64(*p0, *q0);
p1p0 = _mm_unpacklo_epi64(q0p0, q1p1);
q1q0 = _mm_unpackhi_epi64(q0p0, q1p1);
{
// filter_mask and hev_mask
// considering sse doesn't have unsigned elements comparison the idea is to
// find at least one case when X > limit, it means the corresponding mask
// bit is set.
// to achieve that we find global max value of all inputs of abs(x-y) or
// (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 If it is > limit the mask is set
// otherwise - not
const __m128i one = _mm_set1_epi8(1);
const __m128i fe = _mm_set1_epi8((char)0xfe);
const __m128i ff = _mm_cmpeq_epi8(fe, fe);
__m128i abs_p1q1, abs_p0q0, abs_q1q0, abs_p1p0, work;
abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
abs_p0q0 = abs_diff(p1p0, q1q0);
abs_p1q1 = _mm_srli_si128(abs_p0q0, 8);
abs_p0q0 = _mm_unpacklo_epi64(abs_p0q0, abs_p0q0);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, *thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
// replicate for the further "merged variables" usage
hev = _mm_unpacklo_epi64(hev, hev);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), *blimit);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(abs_p1p0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(abs_diff(q2p2, q1p1), abs_diff(q3p3, q2p2));
mask = _mm_max_epu8(work, mask);
mask = _mm_max_epu8(mask, _mm_srli_si128(mask, 8));
mask = _mm_subs_epu8(mask, *limit);
mask = _mm_cmpeq_epi8(mask, zero);
// lp filter - the same for 6, 8 and 14 versions
filter4_dual_sse2(&p1p0, &q1q0, &hev, &mask, q1q0_out, p1p0_out);
// flat_mask4
flat = _mm_max_epu8(abs_diff(q2p2, q0p0), abs_diff(q3p3, q0p0));
flat = _mm_max_epu8(abs_p1p0, flat);
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
// replicate for the further "merged variables" usage
flat = _mm_unpacklo_epi64(flat, flat);
}
// filter8 need it only if flat !=0
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
const __m128i four = _mm_set1_epi16(4);
__m128i workp_a, workp_b, workp_shft0, workp_shft1, workp_shft2;
p2_16 = _mm_unpacklo_epi8(*p2, zero);
p1_16 = _mm_unpacklo_epi8(*p1, zero);
p0_16 = _mm_unpacklo_epi8(*p0, zero);
q0_16 = _mm_unpacklo_epi8(*q0, zero);
q1_16 = _mm_unpacklo_epi8(*q1, zero);
q2_16 = _mm_unpacklo_epi8(*q2, zero);
p3_16 = _mm_unpacklo_epi8(*p3, zero);
q3_16 = _mm_unpacklo_epi8(*q3, zero);
// op2
workp_a =
_mm_add_epi16(_mm_add_epi16(p3_16, p3_16), _mm_add_epi16(p2_16, p1_16));
workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), p0_16);
workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, p2_16), p3_16);
workp_shft2 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
// op1
workp_b = _mm_add_epi16(_mm_add_epi16(q0_16, q1_16), p1_16);
workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
// op0
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q2_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p1_16), p0_16);
workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
flat_p1p0 = _mm_packus_epi16(workp_shft1, workp_shft0);
// oq0
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3_16), q3_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p0_16), q0_16);
workp_shft0 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
// oq1
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p2_16), q3_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q0_16), q1_16);
workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
flat_q0q1 = _mm_packus_epi16(workp_shft0, workp_shft1);
// oq2
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p1_16), q3_16);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q1_16), q2_16);
workp_shft1 = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
opq2 = _mm_packus_epi16(workp_shft2, workp_shft1);
work_pq = _mm_andnot_si128(flat, q2p2);
pq2 = _mm_and_si128(flat, opq2);
*p2 = _mm_or_si128(work_pq, pq2);
*q2 = _mm_srli_si128(*p2, 8);
qs1qs0 = _mm_andnot_si128(flat, *q1q0_out);
q1q0 = _mm_and_si128(flat, flat_q0q1);
*q1q0_out = _mm_or_si128(qs1qs0, q1q0);
ps1ps0 = _mm_andnot_si128(flat, *p1p0_out);
p1p0 = _mm_and_si128(flat, flat_p1p0);
*p1p0_out = _mm_or_si128(ps1ps0, p1p0);
}
}
void aom_lpf_horizontal_8_sse2(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i p3, p2, p1, p0, q0, q1, q2, q3;
__m128i q1q0, p1p0;
__m128i blimit = _mm_load_si128((const __m128i *)_blimit);
__m128i limit = _mm_load_si128((const __m128i *)_limit);
__m128i thresh = _mm_load_si128((const __m128i *)_thresh);
p3 = xx_loadl_32(s - 4 * p);
p2 = xx_loadl_32(s - 3 * p);
p1 = xx_loadl_32(s - 2 * p);
p0 = xx_loadl_32(s - 1 * p);
q0 = xx_loadl_32(s - 0 * p);
q1 = xx_loadl_32(s + 1 * p);
q2 = xx_loadl_32(s + 2 * p);
q3 = xx_loadl_32(s + 3 * p);
lpf_internal_8_sse2(&p3, &q3, &p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0,
&blimit, &limit, &thresh);
xx_storel_32(s - 1 * p, p1p0);
xx_storel_32(s - 2 * p, _mm_srli_si128(p1p0, 4));
xx_storel_32(s + 0 * p, q1q0);
xx_storel_32(s + 1 * p, _mm_srli_si128(q1q0, 4));
xx_storel_32(s - 3 * p, p2);
xx_storel_32(s + 2 * p, q2);
}
void aom_lpf_horizontal_14_dual_sse2(unsigned char *s, int p,
const unsigned char *_blimit0,
const unsigned char *_limit0,
const unsigned char *_thresh0,
const unsigned char *_blimit1,
const unsigned char *_limit1,
const unsigned char *_thresh1) {
__m128i q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0;
__m128i blimit =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0),
_mm_load_si128((const __m128i *)_blimit1));
__m128i limit = _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0),
_mm_load_si128((const __m128i *)_limit1));
__m128i thresh =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_thresh0),
_mm_load_si128((const __m128i *)_thresh1));
q4p4 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 5 * p)),
_mm_loadl_epi64((__m128i *)(s + 4 * p)));
q3p3 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 4 * p)),
_mm_loadl_epi64((__m128i *)(s + 3 * p)));
q2p2 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 3 * p)),
_mm_loadl_epi64((__m128i *)(s + 2 * p)));
q1p1 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 2 * p)),
_mm_loadl_epi64((__m128i *)(s + 1 * p)));
q0p0 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 1 * p)),
_mm_loadl_epi64((__m128i *)(s - 0 * p)));
q5p5 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 6 * p)),
_mm_loadl_epi64((__m128i *)(s + 5 * p)));
q6p6 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 7 * p)),
_mm_loadl_epi64((__m128i *)(s + 6 * p)));
lpf_internal_14_dual_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0,
&blimit, &limit, &thresh);
_mm_storel_epi64((__m128i *)(s - 1 * p), q0p0);
_mm_storel_epi64((__m128i *)(s + 0 * p), _mm_srli_si128(q0p0, 8));
_mm_storel_epi64((__m128i *)(s - 2 * p), q1p1);
_mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(q1p1, 8));
_mm_storel_epi64((__m128i *)(s - 3 * p), q2p2);
_mm_storel_epi64((__m128i *)(s + 2 * p), _mm_srli_si128(q2p2, 8));
_mm_storel_epi64((__m128i *)(s - 4 * p), q3p3);
_mm_storel_epi64((__m128i *)(s + 3 * p), _mm_srli_si128(q3p3, 8));
_mm_storel_epi64((__m128i *)(s - 5 * p), q4p4);
_mm_storel_epi64((__m128i *)(s + 4 * p), _mm_srli_si128(q4p4, 8));
_mm_storel_epi64((__m128i *)(s - 6 * p), q5p5);
_mm_storel_epi64((__m128i *)(s + 5 * p), _mm_srli_si128(q5p5, 8));
}
void aom_lpf_horizontal_8_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0,
const uint8_t *_limit0,
const uint8_t *_thresh0,
const uint8_t *_blimit1,
const uint8_t *_limit1,
const uint8_t *_thresh1) {
__m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0),
_mm_load_si128((__m128i *)_blimit1));
__m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0),
_mm_load_si128((__m128i *)_limit1));
__m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0),
_mm_load_si128((__m128i *)_thresh1));
__m128i p2, p1, p0, q0, q1, q2, p3, q3;
__m128i q1q0, p1p0;
p3 = _mm_loadl_epi64((__m128i *)(s - 4 * p));
p2 = _mm_loadl_epi64((__m128i *)(s - 3 * p));
p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p));
p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p));
q0 = _mm_loadl_epi64((__m128i *)(s - 0 * p));
q1 = _mm_loadl_epi64((__m128i *)(s + 1 * p));
q2 = _mm_loadl_epi64((__m128i *)(s + 2 * p));
q3 = _mm_loadl_epi64((__m128i *)(s + 3 * p));
lpf_internal_8_dual_sse2(&p3, &q3, &p2, &q2, &p1, &q1, &p0, &q0, &q1q0, &p1p0,
&blimit, &limit, &thresh);
_mm_storel_epi64((__m128i *)(s - 1 * p), p1p0);
_mm_storel_epi64((__m128i *)(s - 2 * p), _mm_srli_si128(p1p0, 8));
_mm_storel_epi64((__m128i *)(s + 0 * p), q1q0);
_mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(q1q0, 8));
_mm_storel_epi64((__m128i *)(s - 3 * p), p2);
_mm_storel_epi64((__m128i *)(s + 2 * p), q2);
}
void aom_lpf_horizontal_4_dual_sse2(unsigned char *s, int p,
const unsigned char *_blimit0,
const unsigned char *_limit0,
const unsigned char *_thresh0,
const unsigned char *_blimit1,
const unsigned char *_limit1,
const unsigned char *_thresh1) {
__m128i p1, p0, q0, q1;
__m128i qs1qs0, ps1ps0;
p1 = _mm_loadl_epi64((__m128i *)(s - 2 * p));
p0 = _mm_loadl_epi64((__m128i *)(s - 1 * p));
q0 = _mm_loadl_epi64((__m128i *)(s - 0 * p));
q1 = _mm_loadl_epi64((__m128i *)(s + 1 * p));
const __m128i zero = _mm_setzero_si128();
const __m128i blimit =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0),
_mm_load_si128((const __m128i *)_blimit1));
const __m128i limit =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0),
_mm_load_si128((const __m128i *)_limit1));
__m128i l = _mm_unpacklo_epi64(blimit, limit);
__m128i thresh0 =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh0), zero);
__m128i thresh1 =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh1), zero);
__m128i t = _mm_unpacklo_epi64(thresh0, thresh1);
lpf_internal_4_dual_sse2(&p1, &p0, &q0, &q1, &l, &t, &qs1qs0, &ps1ps0);
_mm_storel_epi64((__m128i *)(s - 1 * p), ps1ps0);
_mm_storel_epi64((__m128i *)(s - 2 * p), _mm_srli_si128(ps1ps0, 8));
_mm_storel_epi64((__m128i *)(s + 0 * p), qs1qs0);
_mm_storel_epi64((__m128i *)(s + 1 * p), _mm_srli_si128(qs1qs0, 8));
}
void aom_lpf_vertical_4_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0,
const uint8_t *_limit0,
const uint8_t *_thresh0,
const uint8_t *_blimit1,
const uint8_t *_limit1,
const uint8_t *_thresh1) {
__m128i p0, q0, q1, p1;
__m128i x0, x1, x2, x3, x4, x5, x6, x7;
__m128i d0, d1, d2, d3, d4, d5, d6, d7;
__m128i qs1qs0, ps1ps0;
const __m128i zero = _mm_setzero_si128();
const __m128i blimit =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0),
_mm_load_si128((const __m128i *)_blimit1));
const __m128i limit =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0),
_mm_load_si128((const __m128i *)_limit1));
__m128i l = _mm_unpacklo_epi64(blimit, limit);
__m128i thresh0 =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh0), zero);
__m128i thresh1 =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)_thresh1), zero);
__m128i t = _mm_unpacklo_epi64(thresh0, thresh1);
x0 = _mm_loadl_epi64((__m128i *)((s - 2)));
x1 = _mm_loadl_epi64((__m128i *)((s - 2) + p));
x2 = _mm_loadl_epi64((__m128i *)((s - 2) + 2 * p));
x3 = _mm_loadl_epi64((__m128i *)((s - 2) + 3 * p));
x4 = _mm_loadl_epi64((__m128i *)((s - 2) + 4 * p));
x5 = _mm_loadl_epi64((__m128i *)((s - 2) + 5 * p));
x6 = _mm_loadl_epi64((__m128i *)((s - 2) + 6 * p));
x7 = _mm_loadl_epi64((__m128i *)((s - 2) + 7 * p));
transpose8x8_low_sse2(&x0, &x1, &x2, &x3, &x4, &x5, &x6, &x7, &p1, &p0, &q0,
&q1);
lpf_internal_4_dual_sse2(&p1, &p0, &q0, &q1, &l, &t, &qs1qs0, &ps1ps0);
p1 = _mm_srli_si128(ps1ps0, 8);
q1 = _mm_srli_si128(qs1qs0, 8);
transpose4x8_8x4_sse2(&p1, &ps1ps0, &qs1qs0, &q1, &d0, &d1, &d2, &d3, &d4,
&d5, &d6, &d7);
xx_storel_32((s - 2 + 0 * p), d0);
xx_storel_32((s - 2 + 1 * p), d1);
xx_storel_32((s - 2 + 2 * p), d2);
xx_storel_32((s - 2 + 3 * p), d3);
xx_storel_32((s - 2 + 4 * p), d4);
xx_storel_32((s - 2 + 5 * p), d5);
xx_storel_32((s - 2 + 6 * p), d6);
xx_storel_32((s - 2 + 7 * p), d7);
}
void aom_lpf_vertical_6_sse2(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i d0, d1, d2, d3, d4, d5, d6, d7;
__m128i x2, x1, x0, x3;
__m128i p0, q0;
__m128i p1p0, q1q0;
__m128i blimit = _mm_load_si128((__m128i *)_blimit);
__m128i limit = _mm_load_si128((__m128i *)_limit);
__m128i thresh = _mm_load_si128((__m128i *)_thresh);
x3 = _mm_loadl_epi64((__m128i *)((s - 3) + 0 * p));
x2 = _mm_loadl_epi64((__m128i *)((s - 3) + 1 * p));
x1 = _mm_loadl_epi64((__m128i *)((s - 3) + 2 * p));
x0 = _mm_loadl_epi64((__m128i *)((s - 3) + 3 * p));
transpose4x8_8x4_sse2(&x3, &x2, &x1, &x0, &d0, &d1, &d2, &d3, &d4, &d5, &d6,
&d7);
lpf_internal_6_sse2(&d0, &d5, &d1, &d4, &d2, &d3, &q1q0, &p1p0, &blimit,
&limit, &thresh);
p0 = _mm_srli_si128(p1p0, 4);
q0 = _mm_srli_si128(q1q0, 4);
transpose4x8_8x4_low_sse2(&p0, &p1p0, &q1q0, &q0, &d0, &d1, &d2, &d3);
xx_storel_32(s + 0 * p - 2, d0);
xx_storel_32(s + 1 * p - 2, d1);
xx_storel_32(s + 2 * p - 2, d2);
xx_storel_32(s + 3 * p - 2, d3);
}
void aom_lpf_vertical_6_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0,
const uint8_t *_limit0,
const uint8_t *_thresh0,
const uint8_t *_blimit1,
const uint8_t *_limit1,
const uint8_t *_thresh1) {
__m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0),
_mm_load_si128((__m128i *)_blimit1));
__m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0),
_mm_load_si128((__m128i *)_limit1));
__m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0),
_mm_load_si128((__m128i *)_thresh1));
__m128i d0, d1, d2, d3, d4, d5, d6, d7;
__m128i x0, x1, x2, x3, x4, x5, x6, x7;
__m128i p0, q0;
__m128i p1p0, q1q0;
__m128i d0d1, d2d3, d4d5, d6d7;
x0 = _mm_loadl_epi64((__m128i *)((s - 3) + 0 * p));
x1 = _mm_loadl_epi64((__m128i *)((s - 3) + 1 * p));
x2 = _mm_loadl_epi64((__m128i *)((s - 3) + 2 * p));
x3 = _mm_loadl_epi64((__m128i *)((s - 3) + 3 * p));
x4 = _mm_loadl_epi64((__m128i *)((s - 3) + 4 * p));
x5 = _mm_loadl_epi64((__m128i *)((s - 3) + 5 * p));
x6 = _mm_loadl_epi64((__m128i *)((s - 3) + 6 * p));
x7 = _mm_loadl_epi64((__m128i *)((s - 3) + 7 * p));
transpose8x8_sse2(&x0, &x1, &x2, &x3, &x4, &x5, &x6, &x7, &d0d1, &d2d3, &d4d5,
&d6d7);
d1 = _mm_srli_si128(d0d1, 8);
d3 = _mm_srli_si128(d2d3, 8);
d5 = _mm_srli_si128(d4d5, 8);
d7 = _mm_srli_si128(d6d7, 8);
lpf_internal_6_dual_sse2(&d0d1, &d5, &d1, &d4d5, &d2d3, &d3, &q1q0, &p1p0,
&blimit, &limit, &thresh);
p0 = _mm_srli_si128(p1p0, 8);
q0 = _mm_srli_si128(q1q0, 8);
transpose4x8_8x4_sse2(&p0, &p1p0, &q1q0, &q0, &d0, &d1, &d2, &d3, &d4, &d5,
&d6, &d7);
xx_storel_32((s - 2 + 0 * p), d0);
xx_storel_32((s - 2 + 1 * p), d1);
xx_storel_32((s - 2 + 2 * p), d2);
xx_storel_32((s - 2 + 3 * p), d3);
xx_storel_32((s - 2 + 4 * p), d4);
xx_storel_32((s - 2 + 5 * p), d5);
xx_storel_32((s - 2 + 6 * p), d6);
xx_storel_32((s - 2 + 7 * p), d7);
}
void aom_lpf_vertical_8_sse2(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i d0, d1, d2, d3, d4, d5, d6, d7;
__m128i p0, q0;
__m128i x2, x1, x0, x3;
__m128i q1q0, p1p0;
__m128i blimit = _mm_load_si128((const __m128i *)_blimit);
__m128i limit = _mm_load_si128((const __m128i *)_limit);
__m128i thresh = _mm_load_si128((const __m128i *)_thresh);
x3 = _mm_loadl_epi64((__m128i *)((s - 4) + 0 * p));
x2 = _mm_loadl_epi64((__m128i *)((s - 4) + 1 * p));
x1 = _mm_loadl_epi64((__m128i *)((s - 4) + 2 * p));
x0 = _mm_loadl_epi64((__m128i *)((s - 4) + 3 * p));
transpose4x8_8x4_sse2(&x3, &x2, &x1, &x0, &d0, &d1, &d2, &d3, &d4, &d5, &d6,
&d7);
// Loop filtering
lpf_internal_8_sse2(&d0, &d7, &d1, &d6, &d2, &d5, &d3, &d4, &q1q0, &p1p0,
&blimit, &limit, &thresh);
p0 = _mm_srli_si128(p1p0, 4);
q0 = _mm_srli_si128(q1q0, 4);
transpose8x8_low_sse2(&d0, &d1, &p0, &p1p0, &q1q0, &q0, &d6, &d7, &d0, &d1,
&d2, &d3);
_mm_storel_epi64((__m128i *)(s - 4 + 0 * p), d0);
_mm_storel_epi64((__m128i *)(s - 4 + 1 * p), d1);
_mm_storel_epi64((__m128i *)(s - 4 + 2 * p), d2);
_mm_storel_epi64((__m128i *)(s - 4 + 3 * p), d3);
}
void aom_lpf_vertical_8_dual_sse2(uint8_t *s, int p, const uint8_t *_blimit0,
const uint8_t *_limit0,
const uint8_t *_thresh0,
const uint8_t *_blimit1,
const uint8_t *_limit1,
const uint8_t *_thresh1) {
__m128i blimit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_blimit0),
_mm_load_si128((__m128i *)_blimit1));
__m128i limit = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_limit0),
_mm_load_si128((__m128i *)_limit1));
__m128i thresh = _mm_unpacklo_epi32(_mm_load_si128((__m128i *)_thresh0),
_mm_load_si128((__m128i *)_thresh1));
__m128i x0, x1, x2, x3, x4, x5, x6, x7;
__m128i d1, d3, d5, d7;
__m128i q1q0, p1p0;
__m128i p1, q1;
__m128i d0d1, d2d3, d4d5, d6d7;
x0 = _mm_loadl_epi64((__m128i *)(s - 4 + 0 * p));
x1 = _mm_loadl_epi64((__m128i *)(s - 4 + 1 * p));
x2 = _mm_loadl_epi64((__m128i *)(s - 4 + 2 * p));
x3 = _mm_loadl_epi64((__m128i *)(s - 4 + 3 * p));
x4 = _mm_loadl_epi64((__m128i *)(s - 4 + 4 * p));
x5 = _mm_loadl_epi64((__m128i *)(s - 4 + 5 * p));
x6 = _mm_loadl_epi64((__m128i *)(s - 4 + 6 * p));
x7 = _mm_loadl_epi64((__m128i *)(s - 4 + 7 * p));
transpose8x8_sse2(&x0, &x1, &x2, &x3, &x4, &x5, &x6, &x7, &d0d1, &d2d3, &d4d5,
&d6d7);
d1 = _mm_srli_si128(d0d1, 8);
d3 = _mm_srli_si128(d2d3, 8);
d5 = _mm_srli_si128(d4d5, 8);
d7 = _mm_srli_si128(d6d7, 8);
lpf_internal_8_dual_sse2(&d0d1, &d7, &d1, &d6d7, &d2d3, &d5, &d3, &d4d5,
&q1q0, &p1p0, &blimit, &limit, &thresh);
p1 = _mm_srli_si128(p1p0, 8);
q1 = _mm_srli_si128(q1q0, 8);
transpose8x8_sse2(&d0d1, &d1, &p1, &p1p0, &q1q0, &q1, &d6d7, &d7, &d0d1,
&d2d3, &d4d5, &d6d7);
_mm_storel_epi64((__m128i *)(s - 4 + 0 * p), d0d1);
_mm_storel_epi64((__m128i *)(s - 4 + 1 * p), _mm_srli_si128(d0d1, 8));
_mm_storel_epi64((__m128i *)(s - 4 + 2 * p), d2d3);
_mm_storel_epi64((__m128i *)(s - 4 + 3 * p), _mm_srli_si128(d2d3, 8));
_mm_storel_epi64((__m128i *)(s - 4 + 4 * p), d4d5);
_mm_storel_epi64((__m128i *)(s - 4 + 5 * p), _mm_srli_si128(d4d5, 8));
_mm_storel_epi64((__m128i *)(s - 4 + 6 * p), d6d7);
_mm_storel_epi64((__m128i *)(s - 4 + 7 * p), _mm_srli_si128(d6d7, 8));
}
void aom_lpf_vertical_14_sse2(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i q7p7, q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0;
__m128i x6, x5, x4, x3;
__m128i pq0, pq1, pq2, pq3;
__m128i blimit = _mm_load_si128((__m128i *)_blimit);
__m128i limit = _mm_load_si128((__m128i *)_limit);
__m128i thresh = _mm_load_si128((__m128i *)_thresh);
x6 = _mm_loadu_si128((__m128i *)((s - 8) + 0 * p));
x5 = _mm_loadu_si128((__m128i *)((s - 8) + 1 * p));
x4 = _mm_loadu_si128((__m128i *)((s - 8) + 2 * p));
x3 = _mm_loadu_si128((__m128i *)((s - 8) + 3 * p));
transpose_pq_14_sse2(&x6, &x5, &x4, &x3, &q0p0, &q1p1, &q2p2, &q3p3, &q4p4,
&q5p5, &q6p6, &q7p7);
lpf_internal_14_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0, &blimit,
&limit, &thresh);
transpose_pq_14_inv_sse2(&q7p7, &q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1,
&q0p0, &pq0, &pq1, &pq2, &pq3);
_mm_storeu_si128((__m128i *)(s - 8 + 0 * p), pq0);
_mm_storeu_si128((__m128i *)(s - 8 + 1 * p), pq1);
_mm_storeu_si128((__m128i *)(s - 8 + 2 * p), pq2);
_mm_storeu_si128((__m128i *)(s - 8 + 3 * p), pq3);
}
void aom_lpf_vertical_14_dual_sse2(
unsigned char *s, int p, const uint8_t *_blimit0, const uint8_t *_limit0,
const uint8_t *_thresh0, const uint8_t *_blimit1, const uint8_t *_limit1,
const uint8_t *_thresh1) {
__m128i q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0;
__m128i x7, x6, x5, x4, x3, x2, x1, x0;
__m128i d0d1, d2d3, d4d5, d6d7, d8d9, d10d11, d12d13, d14d15;
__m128i q0, q1, q2, q3, q7;
__m128i p0p1, p2p3, p4p5, p6p7;
__m128i blimit =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_blimit0),
_mm_load_si128((const __m128i *)_blimit1));
__m128i limit = _mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_limit0),
_mm_load_si128((const __m128i *)_limit1));
__m128i thresh =
_mm_unpacklo_epi32(_mm_load_si128((const __m128i *)_thresh0),
_mm_load_si128((const __m128i *)_thresh1));
x7 = _mm_loadu_si128((__m128i *)((s - 8) + 0 * p));
x6 = _mm_loadu_si128((__m128i *)((s - 8) + 1 * p));
x5 = _mm_loadu_si128((__m128i *)((s - 8) + 2 * p));
x4 = _mm_loadu_si128((__m128i *)((s - 8) + 3 * p));
x3 = _mm_loadu_si128((__m128i *)((s - 8) + 4 * p));
x2 = _mm_loadu_si128((__m128i *)((s - 8) + 5 * p));
x1 = _mm_loadu_si128((__m128i *)((s - 8) + 6 * p));
x0 = _mm_loadu_si128((__m128i *)((s - 8) + 7 * p));
transpose8x16_16x8_sse2(&x7, &x6, &x5, &x4, &x3, &x2, &x1, &x0, &d0d1, &d2d3,
&d4d5, &d6d7, &d8d9, &d10d11, &d12d13, &d14d15);
q6p6 = _mm_unpacklo_epi64(d2d3, _mm_srli_si128(d12d13, 8));
q5p5 = _mm_unpacklo_epi64(d4d5, _mm_srli_si128(d10d11, 8));
q4p4 = _mm_unpacklo_epi64(d6d7, _mm_srli_si128(d8d9, 8));
q3p3 = _mm_unpacklo_epi64(d8d9, _mm_srli_si128(d6d7, 8));
q2p2 = _mm_unpacklo_epi64(d10d11, _mm_srli_si128(d4d5, 8));
q1p1 = _mm_unpacklo_epi64(d12d13, _mm_srli_si128(d2d3, 8));
q0p0 = _mm_unpacklo_epi64(d14d15, _mm_srli_si128(d0d1, 8));
q7 = _mm_srli_si128(d14d15, 8);
lpf_internal_14_dual_sse2(&q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1, &q0p0,
&blimit, &limit, &thresh);
x0 = _mm_srli_si128(q0p0, 8);
x1 = _mm_srli_si128(q1p1, 8);
x2 = _mm_srli_si128(q2p2, 8);
x3 = _mm_srli_si128(q3p3, 8);
x4 = _mm_srli_si128(q4p4, 8);
x5 = _mm_srli_si128(q5p5, 8);
x6 = _mm_srli_si128(q6p6, 8);
transpose16x8_8x16_sse2(&d0d1, &q6p6, &q5p5, &q4p4, &q3p3, &q2p2, &q1p1,
&q0p0, &x0, &x1, &x2, &x3, &x4, &x5, &x6, &q7, &p0p1,
&p2p3, &p4p5, &p6p7, &q0, &q1, &q2, &q3);
_mm_storeu_si128((__m128i *)(s - 8 + 0 * p), p0p1);
_mm_storeu_si128((__m128i *)(s - 8 + 1 * p), p2p3);
_mm_storeu_si128((__m128i *)(s - 8 + 2 * p), p4p5);
_mm_storeu_si128((__m128i *)(s - 8 + 3 * p), p6p7);
_mm_storeu_si128((__m128i *)(s - 8 + 4 * p), q0);
_mm_storeu_si128((__m128i *)(s - 8 + 5 * p), q1);
_mm_storeu_si128((__m128i *)(s - 8 + 6 * p), q2);
_mm_storeu_si128((__m128i *)(s - 8 + 7 * p), q3);
}
static INLINE __m128i filter_add2_sub2(const __m128i *const total,
const __m128i *const a1,
const __m128i *const a2,
const __m128i *const s1,
const __m128i *const s2) {
__m128i x = _mm_add_epi16(*a1, *total);
x = _mm_add_epi16(_mm_sub_epi16(x, _mm_add_epi16(*s1, *s2)), *a2);
return x;
}
static INLINE __m128i filter8_mask(const __m128i *const flat,
const __m128i *const other_filt,
const __m128i *const f8_lo,
const __m128i *const f8_hi) {
const __m128i f8 =
_mm_packus_epi16(_mm_srli_epi16(*f8_lo, 3), _mm_srli_epi16(*f8_hi, 3));
const __m128i result = _mm_and_si128(*flat, f8);
return _mm_or_si128(_mm_andnot_si128(*flat, *other_filt), result);
}
static INLINE __m128i filter16_mask(const __m128i *const flat,
const __m128i *const other_filt,
const __m128i *const f_lo,
const __m128i *const f_hi) {
const __m128i f =
_mm_packus_epi16(_mm_srli_epi16(*f_lo, 4), _mm_srli_epi16(*f_hi, 4));
const __m128i result = _mm_and_si128(*flat, f);
return _mm_or_si128(_mm_andnot_si128(*flat, *other_filt), result);
}
void aom_lpf_horizontal_14_quad_sse2(unsigned char *s, int p,
const unsigned char *_blimit0,
const unsigned char *_limit0,
const unsigned char *_thresh0) {
const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi8(1);
const __m128i blimit_v = _mm_load_si128((const __m128i *)_blimit0);
const __m128i limit_v = _mm_load_si128((const __m128i *)_limit0);
const __m128i thresh_v = _mm_load_si128((const __m128i *)_thresh0);
__m128i mask, hev, flat, flat2;
__m128i p6, p5;
__m128i p4, p3, p2, p1, p0, q0, q1, q2, q3, q4;
__m128i q6, q5;
__m128i op2, op1, op0, oq0, oq1, oq2;
__m128i max_abs_p1p0q1q0;
p6 = _mm_loadu_si128((__m128i *)(s - 7 * p));
p5 = _mm_loadu_si128((__m128i *)(s - 6 * p));
p4 = _mm_loadu_si128((__m128i *)(s - 5 * p));
p3 = _mm_loadu_si128((__m128i *)(s - 4 * p));
p2 = _mm_loadu_si128((__m128i *)(s - 3 * p));
p1 = _mm_loadu_si128((__m128i *)(s - 2 * p));
p0 = _mm_loadu_si128((__m128i *)(s - 1 * p));
q0 = _mm_loadu_si128((__m128i *)(s - 0 * p));
q1 = _mm_loadu_si128((__m128i *)(s + 1 * p));
q2 = _mm_loadu_si128((__m128i *)(s + 2 * p));
q3 = _mm_loadu_si128((__m128i *)(s + 3 * p));
q4 = _mm_loadu_si128((__m128i *)(s + 4 * p));
q5 = _mm_loadu_si128((__m128i *)(s + 5 * p));
q6 = _mm_loadu_si128((__m128i *)(s + 6 * p));
{
const __m128i abs_p1p0 = abs_diff(p1, p0);
const __m128i abs_q1q0 = abs_diff(q1, q0);
const __m128i fe = _mm_set1_epi8((int8_t)0xfe);
const __m128i ff = _mm_cmpeq_epi8(zero, zero);
__m128i abs_p0q0 = abs_diff(p0, q0);
__m128i abs_p1q1 = abs_diff(p1, q1);
__m128i work;
max_abs_p1p0q1q0 = _mm_max_epu8(abs_p1p0, abs_q1q0);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), blimit_v);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(max_abs_p1p0q1q0, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(abs_diff(p2, p1), abs_diff(p3, p2));
mask = _mm_max_epu8(work, mask);
work = _mm_max_epu8(abs_diff(q2, q1), abs_diff(q3, q2));
mask = _mm_max_epu8(work, mask);
mask = _mm_subs_epu8(mask, limit_v);
mask = _mm_cmpeq_epi8(mask, zero);
}
if (0xffff == _mm_movemask_epi8(_mm_cmpeq_epi8(mask, zero))) return;
{
__m128i work;
work = _mm_max_epu8(abs_diff(p2, p0), abs_diff(q2, q0));
flat = _mm_max_epu8(work, max_abs_p1p0q1q0);
work = _mm_max_epu8(abs_diff(p3, p0), abs_diff(q3, q0));
flat = _mm_max_epu8(work, flat);
work = _mm_max_epu8(abs_diff(p4, p0), abs_diff(q4, q0));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
flat2 = _mm_max_epu8(abs_diff(p5, p0), abs_diff(q5, q0));
flat2 = _mm_max_epu8(work, flat2);
work = _mm_max_epu8(abs_diff(p6, p0), abs_diff(q6, q0));
flat2 = _mm_max_epu8(work, flat2);
flat2 = _mm_subs_epu8(flat2, one);
flat2 = _mm_cmpeq_epi8(flat2, zero);
flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// filter4
{
const __m128i t4 = _mm_set1_epi8(4);
const __m128i t3 = _mm_set1_epi8(3);
const __m128i t80 = _mm_set1_epi8((int8_t)0x80);
const __m128i te0 = _mm_set1_epi8((int8_t)0xe0);
const __m128i t1f = _mm_set1_epi8(0x1f);
const __m128i t1 = _mm_set1_epi8(0x1);
const __m128i t7f = _mm_set1_epi8(0x7f);
const __m128i ff = _mm_cmpeq_epi8(t4, t4);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
op1 = _mm_xor_si128(p1, t80);
op0 = _mm_xor_si128(p0, t80);
oq0 = _mm_xor_si128(q0, t80);
oq1 = _mm_xor_si128(q1, t80);
hev = _mm_subs_epu8(max_abs_p1p0q1q0, thresh_v);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
filt = _mm_and_si128(_mm_subs_epi8(op1, oq1), hev);
work_a = _mm_subs_epi8(oq0, op0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
work_a = _mm_cmpgt_epi8(zero, filter1);
filter1 = _mm_srli_epi16(filter1, 3);
work_a = _mm_and_si128(work_a, te0);
filter1 = _mm_and_si128(filter1, t1f);
filter1 = _mm_or_si128(filter1, work_a);
oq0 = _mm_xor_si128(_mm_subs_epi8(oq0, filter1), t80);
work_a = _mm_cmpgt_epi8(zero, filter2);
filter2 = _mm_srli_epi16(filter2, 3);
work_a = _mm_and_si128(work_a, te0);
filter2 = _mm_and_si128(filter2, t1f);
filter2 = _mm_or_si128(filter2, work_a);
op0 = _mm_xor_si128(_mm_adds_epi8(op0, filter2), t80);
filt = _mm_adds_epi8(filter1, t1);
work_a = _mm_cmpgt_epi8(zero, filt);
filt = _mm_srli_epi16(filt, 1);
work_a = _mm_and_si128(work_a, t80);
filt = _mm_and_si128(filt, t7f);
filt = _mm_or_si128(filt, work_a);
filt = _mm_andnot_si128(hev, filt);
op1 = _mm_xor_si128(_mm_adds_epi8(op1, filt), t80);
oq1 = _mm_xor_si128(_mm_subs_epi8(oq1, filt), t80);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// filter8
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat, zero))) {
const __m128i four = _mm_set1_epi16(4);
const __m128i p3_lo = _mm_unpacklo_epi8(p3, zero);
const __m128i p2_lo = _mm_unpacklo_epi8(p2, zero);
const __m128i p1_lo = _mm_unpacklo_epi8(p1, zero);
const __m128i p0_lo = _mm_unpacklo_epi8(p0, zero);
const __m128i q0_lo = _mm_unpacklo_epi8(q0, zero);
const __m128i q1_lo = _mm_unpacklo_epi8(q1, zero);
const __m128i q2_lo = _mm_unpacklo_epi8(q2, zero);
const __m128i q3_lo = _mm_unpacklo_epi8(q3, zero);
const __m128i p3_hi = _mm_unpackhi_epi8(p3, zero);
const __m128i p2_hi = _mm_unpackhi_epi8(p2, zero);
const __m128i p1_hi = _mm_unpackhi_epi8(p1, zero);
const __m128i p0_hi = _mm_unpackhi_epi8(p0, zero);
const __m128i q0_hi = _mm_unpackhi_epi8(q0, zero);
const __m128i q1_hi = _mm_unpackhi_epi8(q1, zero);
const __m128i q2_hi = _mm_unpackhi_epi8(q2, zero);
const __m128i q3_hi = _mm_unpackhi_epi8(q3, zero);
__m128i f8_lo, f8_hi;
f8_lo = _mm_add_epi16(_mm_add_epi16(p3_lo, four),
_mm_add_epi16(p3_lo, p2_lo));
f8_lo = _mm_add_epi16(_mm_add_epi16(p3_lo, f8_lo),
_mm_add_epi16(p2_lo, p1_lo));
f8_lo = _mm_add_epi16(_mm_add_epi16(p0_lo, q0_lo), f8_lo);
f8_hi = _mm_add_epi16(_mm_add_epi16(p3_hi, four),
_mm_add_epi16(p3_hi, p2_hi));
f8_hi = _mm_add_epi16(_mm_add_epi16(p3_hi, f8_hi),
_mm_add_epi16(p2_hi, p1_hi));
f8_hi = _mm_add_epi16(_mm_add_epi16(p0_hi, q0_hi), f8_hi);
op2 = filter8_mask(&flat, &p2, &f8_lo, &f8_hi);
f8_lo = filter_add2_sub2(&f8_lo, &q1_lo, &p1_lo, &p2_lo, &p3_lo);
f8_hi = filter_add2_sub2(&f8_hi, &q1_hi, &p1_hi, &p2_hi, &p3_hi);
op1 = filter8_mask(&flat, &op1, &f8_lo, &f8_hi);
f8_lo = filter_add2_sub2(&f8_lo, &q2_lo, &p0_lo, &p1_lo, &p3_lo);
f8_hi = filter_add2_sub2(&f8_hi, &q2_hi, &p0_hi, &p1_hi, &p3_hi);
op0 = filter8_mask(&flat, &op0, &f8_lo, &f8_hi);
f8_lo = filter_add2_sub2(&f8_lo, &q3_lo, &q0_lo, &p0_lo, &p3_lo);
f8_hi = filter_add2_sub2(&f8_hi, &q3_hi, &q0_hi, &p0_hi, &p3_hi);
oq0 = filter8_mask(&flat, &oq0, &f8_lo, &f8_hi);
f8_lo = filter_add2_sub2(&f8_lo, &q3_lo, &q1_lo, &q0_lo, &p2_lo);
f8_hi = filter_add2_sub2(&f8_hi, &q3_hi, &q1_hi, &q0_hi, &p2_hi);
oq1 = filter8_mask(&flat, &oq1, &f8_lo, &f8_hi);
f8_lo = filter_add2_sub2(&f8_lo, &q3_lo, &q2_lo, &q1_lo, &p1_lo);
f8_hi = filter_add2_sub2(&f8_hi, &q3_hi, &q2_hi, &q1_hi, &p1_hi);
oq2 = filter8_mask(&flat, &q2, &f8_lo, &f8_hi);
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// wide flat calculations
if (0xffff != _mm_movemask_epi8(_mm_cmpeq_epi8(flat2, zero))) {
const __m128i eight = _mm_set1_epi16(8);
const __m128i p6_lo = _mm_unpacklo_epi8(p6, zero);
const __m128i p5_lo = _mm_unpacklo_epi8(p5, zero);
const __m128i p4_lo = _mm_unpacklo_epi8(p4, zero);
const __m128i q4_lo = _mm_unpacklo_epi8(q4, zero);
const __m128i q5_lo = _mm_unpacklo_epi8(q5, zero);
const __m128i q6_lo = _mm_unpacklo_epi8(q6, zero);
const __m128i p6_hi = _mm_unpackhi_epi8(p6, zero);
const __m128i p5_hi = _mm_unpackhi_epi8(p5, zero);
const __m128i p4_hi = _mm_unpackhi_epi8(p4, zero);
const __m128i q4_hi = _mm_unpackhi_epi8(q4, zero);
const __m128i q5_hi = _mm_unpackhi_epi8(q5, zero);
const __m128i q6_hi = _mm_unpackhi_epi8(q6, zero);
__m128i f_lo;
__m128i f_hi;
f_lo = _mm_sub_epi16(_mm_slli_epi16(p6_lo, 3), p6_lo);
f_lo = _mm_add_epi16(_mm_slli_epi16(p5_lo, 1), f_lo);
f_lo = _mm_add_epi16(_mm_slli_epi16(p4_lo, 1), f_lo);
f_lo = _mm_add_epi16(_mm_add_epi16(p3_lo, f_lo),
_mm_add_epi16(p2_lo, p1_lo));
f_lo = _mm_add_epi16(_mm_add_epi16(p0_lo, q0_lo), f_lo);
f_lo = _mm_add_epi16(f_lo, eight);
f_hi = _mm_sub_epi16(_mm_slli_epi16(p6_hi, 3), p6_hi);
f_hi = _mm_add_epi16(_mm_slli_epi16(p5_hi, 1), f_hi);
f_hi = _mm_add_epi16(_mm_slli_epi16(p4_hi, 1), f_hi);
f_hi = _mm_add_epi16(_mm_add_epi16(p3_hi, f_hi),
_mm_add_epi16(p2_hi, p1_hi));
f_hi = _mm_add_epi16(_mm_add_epi16(p0_hi, q0_hi), f_hi);
f_hi = _mm_add_epi16(f_hi, eight);
p5 = filter16_mask(&flat2, &p5, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 6 * p), p5);
f_lo = filter_add2_sub2(&f_lo, &q1_lo, &p3_lo, &p6_lo, &p6_lo);
f_hi = filter_add2_sub2(&f_hi, &q1_hi, &p3_hi, &p6_hi, &p6_hi);
p4 = filter16_mask(&flat2, &p4, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 5 * p), p4);
f_lo = filter_add2_sub2(&f_lo, &q2_lo, &p2_lo, &p6_lo, &p5_lo);
f_hi = filter_add2_sub2(&f_hi, &q2_hi, &p2_hi, &p6_hi, &p5_hi);
p3 = filter16_mask(&flat2, &p3, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 4 * p), p3);
f_lo = filter_add2_sub2(&f_lo, &q3_lo, &p1_lo, &p6_lo, &p4_lo);
f_hi = filter_add2_sub2(&f_hi, &q3_hi, &p1_hi, &p6_hi, &p4_hi);
op2 = filter16_mask(&flat2, &op2, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 3 * p), op2);
f_lo = filter_add2_sub2(&f_lo, &q4_lo, &p0_lo, &p6_lo, &p3_lo);
f_hi = filter_add2_sub2(&f_hi, &q4_hi, &p0_hi, &p6_hi, &p3_hi);
op1 = filter16_mask(&flat2, &op1, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 2 * p), op1);
f_lo = filter_add2_sub2(&f_lo, &q5_lo, &q0_lo, &p6_lo, &p2_lo);
f_hi = filter_add2_sub2(&f_hi, &q5_hi, &q0_hi, &p6_hi, &p2_hi);
op0 = filter16_mask(&flat2, &op0, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 1 * p), op0);
f_lo = filter_add2_sub2(&f_lo, &q6_lo, &q1_lo, &p6_lo, &p1_lo);
f_hi = filter_add2_sub2(&f_hi, &q6_hi, &q1_hi, &p6_hi, &p1_hi);
oq0 = filter16_mask(&flat2, &oq0, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 0 * p), oq0);
f_lo = filter_add2_sub2(&f_lo, &q6_lo, &q2_lo, &p5_lo, &p0_lo);
f_hi = filter_add2_sub2(&f_hi, &q6_hi, &q2_hi, &p5_hi, &p0_hi);
oq1 = filter16_mask(&flat2, &oq1, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 1 * p), oq1);
f_lo = filter_add2_sub2(&f_lo, &q6_lo, &q3_lo, &p4_lo, &q0_lo);
f_hi = filter_add2_sub2(&f_hi, &q6_hi, &q3_hi, &p4_hi, &q0_hi);
oq2 = filter16_mask(&flat2, &oq2, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 2 * p), oq2);
f_lo = filter_add2_sub2(&f_lo, &q6_lo, &q4_lo, &p3_lo, &q1_lo);
f_hi = filter_add2_sub2(&f_hi, &q6_hi, &q4_hi, &p3_hi, &q1_hi);
q3 = filter16_mask(&flat2, &q3, &f_lo