ref: ca9a262b1d7272a32da60273dbc607d0f54e0262
dir: libvpx/vpx_dsp/x86/loopfilter_sse2.c
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <emmintrin.h> // SSE2
#include "./vpx_dsp_rtcd.h"
#include "vpx_ports/mem.h"
#include "vpx_ports/emmintrin_compat.h"
#include "vpx_dsp/x86/mem_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));
}
// filter_mask and hev_mask
#define FILTER_HEV_MASK \
do { \
/* (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); \
__m128i abs_p0q0, abs_p1q1, work; \
\
/* const uint8_t hev = hev_mask(thresh, *op1, *op0, *oq0, *oq1); */ \
hev = \
_mm_unpacklo_epi8(_mm_max_epu8(flat, _mm_srli_si128(flat, 8)), zero); \
hev = _mm_cmpgt_epi16(hev, thresh_v); \
hev = _mm_packs_epi16(hev, hev); \
\
/* const int8_t mask = filter_mask(*limit, *blimit, */ \
/* p3, p2, p1, p0, q0, q1, q2, q3); */ \
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); \
/* abs(p3 - p2), abs(p2 - p1) */ \
work = abs_diff(p3p2, p2p1); \
flat = _mm_max_epu8(work, flat); \
/* abs(q3 - q2), abs(q2 - q1) */ \
work = abs_diff(q3q2, q2q1); \
flat = _mm_max_epu8(work, flat); \
flat = _mm_max_epu8(flat, _mm_srli_si128(flat, 8)); \
mask = _mm_unpacklo_epi64(mask, flat); \
mask = _mm_subs_epu8(mask, limit_v); \
mask = _mm_cmpeq_epi8(mask, zero); \
mask = _mm_and_si128(mask, _mm_srli_si128(mask, 8)); \
} while (0)
#define FILTER4 \
do { \
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((int8_t)0x80); \
__m128i filter, filter2filter1, work; \
\
ps1ps0 = _mm_xor_si128(p1p0, t80); /* ^ 0x80 */ \
qs1qs0 = _mm_xor_si128(q1q0, t80); \
\
/* int8_t filter = signed_char_clamp(ps1 - qs1) & hev; */ \
work = _mm_subs_epi8(ps1ps0, qs1qs0); \
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); \
\
hev = _mm_unpackhi_epi64(filter2filter1, filter); \
filter2filter1 = _mm_unpacklo_epi64(filter2filter1, filter); \
\
/* signed_char_clamp(qs1 - filter), signed_char_clamp(qs0 - filter1) */ \
qs1qs0 = _mm_subs_epi8(qs1qs0, filter2filter1); \
/* signed_char_clamp(ps1 + filter), signed_char_clamp(ps0 + filter2) */ \
ps1ps0 = _mm_adds_epi8(ps1ps0, hev); \
qs1qs0 = _mm_xor_si128(qs1qs0, t80); /* ^ 0x80 */ \
ps1ps0 = _mm_xor_si128(ps1ps0, t80); /* ^ 0x80 */ \
} while (0)
void vpx_lpf_horizontal_4_sse2(uint8_t *s, int pitch, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
const __m128i zero = _mm_set1_epi16(0);
const __m128i limit_v =
_mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)blimit),
_mm_loadl_epi64((const __m128i *)limit));
const __m128i thresh_v =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)thresh), zero);
const __m128i ff = _mm_cmpeq_epi8(zero, zero);
__m128i q1p1, q0p0, p3p2, p2p1, p1p0, q3q2, q2q1, q1q0, ps1ps0, qs1qs0;
__m128i mask, hev;
p3p2 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 3 * pitch)),
_mm_loadl_epi64((__m128i *)(s - 4 * pitch)));
q1p1 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 2 * pitch)),
_mm_loadl_epi64((__m128i *)(s + 1 * pitch)));
q0p0 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 1 * pitch)),
_mm_loadl_epi64((__m128i *)(s + 0 * pitch)));
q3q2 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s + 2 * pitch)),
_mm_loadl_epi64((__m128i *)(s + 3 * pitch)));
p1p0 = _mm_unpacklo_epi64(q0p0, q1p1);
p2p1 = _mm_unpacklo_epi64(q1p1, p3p2);
q1q0 = _mm_unpackhi_epi64(q0p0, q1p1);
q2q1 = _mm_unpacklo_epi64(_mm_srli_si128(q1p1, 8), q3q2);
FILTER_HEV_MASK;
FILTER4;
_mm_storeh_pi((__m64 *)(s - 2 * pitch), _mm_castsi128_ps(ps1ps0)); // *op1
_mm_storel_epi64((__m128i *)(s - 1 * pitch), ps1ps0); // *op0
_mm_storel_epi64((__m128i *)(s + 0 * pitch), qs1qs0); // *oq0
_mm_storeh_pi((__m64 *)(s + 1 * pitch), _mm_castsi128_ps(qs1qs0)); // *oq1
}
void vpx_lpf_vertical_4_sse2(uint8_t *s, int pitch, const uint8_t *blimit,
const uint8_t *limit, const uint8_t *thresh) {
const __m128i zero = _mm_set1_epi16(0);
const __m128i limit_v =
_mm_unpacklo_epi64(_mm_loadl_epi64((const __m128i *)blimit),
_mm_loadl_epi64((const __m128i *)limit));
const __m128i thresh_v =
_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i *)thresh), zero);
const __m128i ff = _mm_cmpeq_epi8(zero, zero);
__m128i x0, x1, x2, x3;
__m128i q1p1, q0p0, p3p2, p2p1, p1p0, q3q2, q2q1, q1q0, ps1ps0, qs1qs0;
__m128i mask, hev;
// 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
q1q0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(s + 0 * pitch - 4)),
_mm_loadl_epi64((__m128i *)(s + 1 * pitch - 4)));
// 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
x1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(s + 2 * pitch - 4)),
_mm_loadl_epi64((__m128i *)(s + 3 * pitch - 4)));
// 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
x2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(s + 4 * pitch - 4)),
_mm_loadl_epi64((__m128i *)(s + 5 * pitch - 4)));
// 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
x3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(s + 6 * pitch - 4)),
_mm_loadl_epi64((__m128i *)(s + 7 * pitch - 4)));
// Transpose 8x8
// 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
p1p0 = _mm_unpacklo_epi16(q1q0, x1);
// 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73
x0 = _mm_unpacklo_epi16(x2, x3);
// 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71
p3p2 = _mm_unpacklo_epi32(p1p0, x0);
// 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73
p1p0 = _mm_unpackhi_epi32(p1p0, x0);
p3p2 = _mm_unpackhi_epi64(p3p2, _mm_slli_si128(p3p2, 8)); // swap lo and high
p1p0 = _mm_unpackhi_epi64(p1p0, _mm_slli_si128(p1p0, 8)); // swap lo and high
// 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
q1q0 = _mm_unpackhi_epi16(q1q0, x1);
// 44 54 64 74 45 55 65 75 46 56 66 76 47 57 67 77
x2 = _mm_unpackhi_epi16(x2, x3);
// 06 16 26 36 46 56 66 76 07 17 27 37 47 57 67 77
q3q2 = _mm_unpackhi_epi32(q1q0, x2);
// 04 14 24 34 44 54 64 74 05 15 25 35 45 55 65 75
q1q0 = _mm_unpacklo_epi32(q1q0, x2);
q0p0 = _mm_unpacklo_epi64(p1p0, q1q0);
q1p1 = _mm_unpackhi_epi64(p1p0, q1q0);
p1p0 = _mm_unpacklo_epi64(q0p0, q1p1);
p2p1 = _mm_unpacklo_epi64(q1p1, p3p2);
q2q1 = _mm_unpacklo_epi64(_mm_srli_si128(q1p1, 8), q3q2);
FILTER_HEV_MASK;
FILTER4;
// Transpose 8x4 to 4x8
// qs1qs0: 20 21 22 23 24 25 26 27 30 31 32 33 34 34 36 37
// ps1ps0: 10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07
// 00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17
ps1ps0 = _mm_unpackhi_epi64(ps1ps0, _mm_slli_si128(ps1ps0, 8));
// 10 30 11 31 12 32 13 33 14 34 15 35 16 36 17 37
x0 = _mm_unpackhi_epi8(ps1ps0, qs1qs0);
// 00 20 01 21 02 22 03 23 04 24 05 25 06 26 07 27
ps1ps0 = _mm_unpacklo_epi8(ps1ps0, qs1qs0);
// 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
qs1qs0 = _mm_unpackhi_epi8(ps1ps0, x0);
// 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
ps1ps0 = _mm_unpacklo_epi8(ps1ps0, x0);
storeu_uint32(s + 0 * pitch - 2, _mm_cvtsi128_si32(ps1ps0));
ps1ps0 = _mm_srli_si128(ps1ps0, 4);
storeu_uint32(s + 1 * pitch - 2, _mm_cvtsi128_si32(ps1ps0));
ps1ps0 = _mm_srli_si128(ps1ps0, 4);
storeu_uint32(s + 2 * pitch - 2, _mm_cvtsi128_si32(ps1ps0));
ps1ps0 = _mm_srli_si128(ps1ps0, 4);
storeu_uint32(s + 3 * pitch - 2, _mm_cvtsi128_si32(ps1ps0));
storeu_uint32(s + 4 * pitch - 2, _mm_cvtsi128_si32(qs1qs0));
qs1qs0 = _mm_srli_si128(qs1qs0, 4);
storeu_uint32(s + 5 * pitch - 2, _mm_cvtsi128_si32(qs1qs0));
qs1qs0 = _mm_srli_si128(qs1qs0, 4);
storeu_uint32(s + 6 * pitch - 2, _mm_cvtsi128_si32(qs1qs0));
qs1qs0 = _mm_srli_si128(qs1qs0, 4);
storeu_uint32(s + 7 * pitch - 2, _mm_cvtsi128_si32(qs1qs0));
}
void vpx_lpf_horizontal_16_sse2(unsigned char *s, int pitch,
const unsigned char *blimit,
const unsigned char *limit,
const unsigned char *thresh) {
const __m128i zero = _mm_set1_epi16(0);
const __m128i one = _mm_set1_epi8(1);
const __m128i blimit_v = _mm_load_si128((const __m128i *)blimit);
const __m128i limit_v = _mm_load_si128((const __m128i *)limit);
const __m128i thresh_v = _mm_load_si128((const __m128i *)thresh);
__m128i mask, hev, flat, flat2;
__m128i q7p7, q6p6, q5p5, q4p4, q3p3, q2p2, q1p1, q0p0, p0q0, p1q1;
__m128i abs_p1p0;
q4p4 = _mm_loadl_epi64((__m128i *)(s - 5 * pitch));
q4p4 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q4p4), (__m64 *)(s + 4 * pitch)));
q3p3 = _mm_loadl_epi64((__m128i *)(s - 4 * pitch));
q3p3 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q3p3), (__m64 *)(s + 3 * pitch)));
q2p2 = _mm_loadl_epi64((__m128i *)(s - 3 * pitch));
q2p2 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q2p2), (__m64 *)(s + 2 * pitch)));
q1p1 = _mm_loadl_epi64((__m128i *)(s - 2 * pitch));
q1p1 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q1p1), (__m64 *)(s + 1 * pitch)));
p1q1 = _mm_shuffle_epi32(q1p1, 78);
q0p0 = _mm_loadl_epi64((__m128i *)(s - 1 * pitch));
q0p0 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q0p0), (__m64 *)(s - 0 * pitch)));
p0q0 = _mm_shuffle_epi32(q0p0, 78);
{
__m128i abs_p1q1, abs_p0q0, abs_q1q0, fe, ff, work;
abs_p1p0 = abs_diff(q1p1, q0p0);
abs_q1q0 = _mm_srli_si128(abs_p1p0, 8);
fe = _mm_set1_epi8((int8_t)0xfe);
ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
abs_p0q0 = abs_diff(q0p0, p0q0);
abs_p1q1 = abs_diff(q1p1, p1q1);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh_v);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
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(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_v);
mask = _mm_cmpeq_epi8(mask, zero);
}
// lp filter
{
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 t1 = _mm_set1_epi16(0x1);
__m128i qs1ps1 = _mm_xor_si128(q1p1, t80);
__m128i qs0ps0 = _mm_xor_si128(q0p0, t80);
__m128i qs0 = _mm_xor_si128(p0q0, t80);
__m128i qs1 = _mm_xor_si128(p1q1, t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
__m128i flat2_q6p6, flat2_q5p5, flat2_q4p4, flat2_q3p3, flat2_q2p2;
__m128i flat2_q1p1, flat2_q0p0, flat_q2p2, flat_q1p1, flat_q0p0;
filt = _mm_and_si128(_mm_subs_epi8(qs1ps1, qs1), hev);
work_a = _mm_subs_epi8(qs0, qs0ps0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
// (vpx_filter + 3 * (qs0 - ps0)) & mask
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
filter1 = _mm_unpacklo_epi8(zero, filter1);
filter1 = _mm_srai_epi16(filter1, 0xB);
filter2 = _mm_unpacklo_epi8(zero, filter2);
filter2 = _mm_srai_epi16(filter2, 0xB);
// Filter1 >> 3
filt = _mm_packs_epi16(filter2, _mm_subs_epi16(zero, filter1));
qs0ps0 = _mm_xor_si128(_mm_adds_epi8(qs0ps0, filt), t80);
// filt >> 1
filt = _mm_adds_epi16(filter1, t1);
filt = _mm_srai_epi16(filt, 1);
filt = _mm_andnot_si128(_mm_srai_epi16(_mm_unpacklo_epi8(zero, hev), 0x8),
filt);
filt = _mm_packs_epi16(filt, _mm_subs_epi16(zero, filt));
qs1ps1 = _mm_xor_si128(_mm_adds_epi8(qs1ps1, filt), t80);
// loopfilter done
{
__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);
q5p5 = _mm_loadl_epi64((__m128i *)(s - 6 * pitch));
q5p5 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q5p5), (__m64 *)(s + 5 * pitch)));
q6p6 = _mm_loadl_epi64((__m128i *)(s - 7 * pitch));
q6p6 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q6p6), (__m64 *)(s + 6 * pitch)));
flat2 = _mm_max_epu8(abs_diff(q4p4, q0p0), abs_diff(q5p5, q0p0));
q7p7 = _mm_loadl_epi64((__m128i *)(s - 8 * pitch));
q7p7 = _mm_castps_si128(
_mm_loadh_pi(_mm_castsi128_ps(q7p7), (__m64 *)(s + 7 * pitch)));
work = _mm_max_epu8(abs_diff(q6p6, q0p0), abs_diff(q7p7, 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
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// flat and wide flat calculations
{
const __m128i eight = _mm_set1_epi16(8);
const __m128i four = _mm_set1_epi16(4);
__m128i p7_16, p6_16, p5_16, p4_16, p3_16, p2_16, p1_16, p0_16;
__m128i q7_16, 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_p7, sum_q7, sum_p3, sum_q3, res_p, res_q;
p7_16 = _mm_unpacklo_epi8(q7p7, zero);
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);
q7_16 = _mm_unpackhi_epi8(q7p7, zero);
pixelFilter_p = _mm_add_epi16(_mm_add_epi16(p6_16, p5_16),
_mm_add_epi16(p4_16, p3_16));
pixelFilter_q = _mm_add_epi16(_mm_add_epi16(q6_16, 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(p7_16, p0_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(q7_16, q0_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_p7 = _mm_add_epi16(p7_16, p7_16);
sum_q7 = _mm_add_epi16(q7_16, q7_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, p6_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q6_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p1_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q1_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);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
sum_p3 = _mm_add_epi16(sum_p3, p3_16);
sum_q3 = _mm_add_epi16(sum_q3, q3_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q5_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p5_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p2_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q2_16)), 4);
flat2_q2p2 = _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);
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);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_16);
pixelFilter_p = _mm_sub_epi16(pixelFilter_p, q4_16);
pixelFilter_q = _mm_sub_epi16(pixelFilter_q, p4_16);
res_p = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_p, _mm_add_epi16(sum_p7, p3_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q3_16)), 4);
flat2_q3p3 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_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_p7, p4_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q4_16)), 4);
flat2_q4p4 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_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_p7, p5_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q5_16)), 4);
flat2_q5p5 = _mm_packus_epi16(res_p, res_q);
sum_p7 = _mm_add_epi16(sum_p7, p7_16);
sum_q7 = _mm_add_epi16(sum_q7, q7_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_p7, p6_16)), 4);
res_q = _mm_srli_epi16(
_mm_add_epi16(pixelFilter_q, _mm_add_epi16(sum_q7, q6_16)), 4);
flat2_q6p6 = _mm_packus_epi16(res_p, res_q);
}
// wide flat
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
flat = _mm_shuffle_epi32(flat, 68);
flat2 = _mm_shuffle_epi32(flat2, 68);
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);
q6p6 = _mm_andnot_si128(flat2, q6p6);
flat2_q6p6 = _mm_and_si128(flat2, flat2_q6p6);
q6p6 = _mm_or_si128(q6p6, flat2_q6p6);
_mm_storel_epi64((__m128i *)(s - 7 * pitch), q6p6);
_mm_storeh_pi((__m64 *)(s + 6 * pitch), _mm_castsi128_ps(q6p6));
q5p5 = _mm_andnot_si128(flat2, q5p5);
flat2_q5p5 = _mm_and_si128(flat2, flat2_q5p5);
q5p5 = _mm_or_si128(q5p5, flat2_q5p5);
_mm_storel_epi64((__m128i *)(s - 6 * pitch), q5p5);
_mm_storeh_pi((__m64 *)(s + 5 * pitch), _mm_castsi128_ps(q5p5));
q4p4 = _mm_andnot_si128(flat2, q4p4);
flat2_q4p4 = _mm_and_si128(flat2, flat2_q4p4);
q4p4 = _mm_or_si128(q4p4, flat2_q4p4);
_mm_storel_epi64((__m128i *)(s - 5 * pitch), q4p4);
_mm_storeh_pi((__m64 *)(s + 4 * pitch), _mm_castsi128_ps(q4p4));
q3p3 = _mm_andnot_si128(flat2, q3p3);
flat2_q3p3 = _mm_and_si128(flat2, flat2_q3p3);
q3p3 = _mm_or_si128(q3p3, flat2_q3p3);
_mm_storel_epi64((__m128i *)(s - 4 * pitch), q3p3);
_mm_storeh_pi((__m64 *)(s + 3 * pitch), _mm_castsi128_ps(q3p3));
q2p2 = _mm_andnot_si128(flat2, q2p2);
flat2_q2p2 = _mm_and_si128(flat2, flat2_q2p2);
q2p2 = _mm_or_si128(q2p2, flat2_q2p2);
_mm_storel_epi64((__m128i *)(s - 3 * pitch), q2p2);
_mm_storeh_pi((__m64 *)(s + 2 * pitch), _mm_castsi128_ps(q2p2));
q1p1 = _mm_andnot_si128(flat2, q1p1);
flat2_q1p1 = _mm_and_si128(flat2, flat2_q1p1);
q1p1 = _mm_or_si128(q1p1, flat2_q1p1);
_mm_storel_epi64((__m128i *)(s - 2 * pitch), q1p1);
_mm_storeh_pi((__m64 *)(s + 1 * pitch), _mm_castsi128_ps(q1p1));
q0p0 = _mm_andnot_si128(flat2, q0p0);
flat2_q0p0 = _mm_and_si128(flat2, flat2_q0p0);
q0p0 = _mm_or_si128(q0p0, flat2_q0p0);
_mm_storel_epi64((__m128i *)(s - 1 * pitch), q0p0);
_mm_storeh_pi((__m64 *)(s - 0 * pitch), _mm_castsi128_ps(q0p0));
}
}
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 vpx_lpf_horizontal_16_dual_sse2(unsigned char *s, int pitch,
const unsigned char *blimit,
const unsigned char *limit,
const unsigned char *thresh) {
const __m128i zero = _mm_set1_epi16(0);
const __m128i one = _mm_set1_epi8(1);
const __m128i blimit_v = _mm_load_si128((const __m128i *)blimit);
const __m128i limit_v = _mm_load_si128((const __m128i *)limit);
const __m128i thresh_v = _mm_load_si128((const __m128i *)thresh);
__m128i mask, hev, flat, flat2;
__m128i p7, p6, p5;
__m128i p4, p3, p2, p1, p0, q0, q1, q2, q3, q4;
__m128i q5, q6, q7;
__m128i op2, op1, op0, oq0, oq1, oq2;
__m128i max_abs_p1p0q1q0;
p7 = _mm_loadu_si128((__m128i *)(s - 8 * pitch));
p6 = _mm_loadu_si128((__m128i *)(s - 7 * pitch));
p5 = _mm_loadu_si128((__m128i *)(s - 6 * pitch));
p4 = _mm_loadu_si128((__m128i *)(s - 5 * pitch));
p3 = _mm_loadu_si128((__m128i *)(s - 4 * pitch));
p2 = _mm_loadu_si128((__m128i *)(s - 3 * pitch));
p1 = _mm_loadu_si128((__m128i *)(s - 2 * pitch));
p0 = _mm_loadu_si128((__m128i *)(s - 1 * pitch));
q0 = _mm_loadu_si128((__m128i *)(s - 0 * pitch));
q1 = _mm_loadu_si128((__m128i *)(s + 1 * pitch));
q2 = _mm_loadu_si128((__m128i *)(s + 2 * pitch));
q3 = _mm_loadu_si128((__m128i *)(s + 3 * pitch));
q4 = _mm_loadu_si128((__m128i *)(s + 4 * pitch));
q5 = _mm_loadu_si128((__m128i *)(s + 5 * pitch));
q6 = _mm_loadu_si128((__m128i *)(s + 6 * pitch));
q7 = _mm_loadu_si128((__m128i *)(s + 7 * pitch));
{
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);
}
{
__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);
work = _mm_max_epu8(abs_diff(p7, p0), abs_diff(q7, 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);
// (vpx_filter + 3 * (qs0 - ps0)) & mask
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
// Filter1 >> 3
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);
// Filter2 >> 3
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 >> 1
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);
// loopfilter done
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// filter8
{
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
{
const __m128i eight = _mm_set1_epi16(8);
const __m128i p7_lo = _mm_unpacklo_epi8(p7, zero);
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 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 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 q7_lo = _mm_unpacklo_epi8(q7, zero);
const __m128i p7_hi = _mm_unpackhi_epi8(p7, 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 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);
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);
const __m128i q7_hi = _mm_unpackhi_epi8(q7, zero);
__m128i f_lo;
__m128i f_hi;
f_lo = _mm_sub_epi16(_mm_slli_epi16(p7_lo, 3), p7_lo); // p7 * 7
f_lo =
_mm_add_epi16(_mm_slli_epi16(p6_lo, 1), _mm_add_epi16(p4_lo, 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(_mm_add_epi16(p5_lo, eight), f_lo);
f_hi = _mm_sub_epi16(_mm_slli_epi16(p7_hi, 3), p7_hi); // p7 * 7
f_hi =
_mm_add_epi16(_mm_slli_epi16(p6_hi, 1), _mm_add_epi16(p4_hi, 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(_mm_add_epi16(p5_hi, eight), f_hi);
p6 = filter16_mask(&flat2, &p6, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 7 * pitch), p6);
f_lo = filter_add2_sub2(&f_lo, &q1_lo, &p5_lo, &p6_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q1_hi, &p5_hi, &p6_hi, &p7_hi);
p5 = filter16_mask(&flat2, &p5, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 6 * pitch), p5);
f_lo = filter_add2_sub2(&f_lo, &q2_lo, &p4_lo, &p5_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q2_hi, &p4_hi, &p5_hi, &p7_hi);
p4 = filter16_mask(&flat2, &p4, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 5 * pitch), p4);
f_lo = filter_add2_sub2(&f_lo, &q3_lo, &p3_lo, &p4_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q3_hi, &p3_hi, &p4_hi, &p7_hi);
p3 = filter16_mask(&flat2, &p3, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 4 * pitch), p3);
f_lo = filter_add2_sub2(&f_lo, &q4_lo, &p2_lo, &p3_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q4_hi, &p2_hi, &p3_hi, &p7_hi);
op2 = filter16_mask(&flat2, &op2, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 3 * pitch), op2);
f_lo = filter_add2_sub2(&f_lo, &q5_lo, &p1_lo, &p2_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q5_hi, &p1_hi, &p2_hi, &p7_hi);
op1 = filter16_mask(&flat2, &op1, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 2 * pitch), op1);
f_lo = filter_add2_sub2(&f_lo, &q6_lo, &p0_lo, &p1_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q6_hi, &p0_hi, &p1_hi, &p7_hi);
op0 = filter16_mask(&flat2, &op0, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 1 * pitch), op0);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q0_lo, &p0_lo, &p7_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q0_hi, &p0_hi, &p7_hi);
oq0 = filter16_mask(&flat2, &oq0, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s - 0 * pitch), oq0);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q1_lo, &p6_lo, &q0_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q1_hi, &p6_hi, &q0_hi);
oq1 = filter16_mask(&flat2, &oq1, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 1 * pitch), oq1);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q2_lo, &p5_lo, &q1_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q2_hi, &p5_hi, &q1_hi);
oq2 = filter16_mask(&flat2, &oq2, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 2 * pitch), oq2);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q3_lo, &p4_lo, &q2_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q3_hi, &p4_hi, &q2_hi);
q3 = filter16_mask(&flat2, &q3, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 3 * pitch), q3);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q4_lo, &p3_lo, &q3_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q4_hi, &p3_hi, &q3_hi);
q4 = filter16_mask(&flat2, &q4, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 4 * pitch), q4);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q5_lo, &p2_lo, &q4_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q5_hi, &p2_hi, &q4_hi);
q5 = filter16_mask(&flat2, &q5, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 5 * pitch), q5);
f_lo = filter_add2_sub2(&f_lo, &q7_lo, &q6_lo, &p1_lo, &q5_lo);
f_hi = filter_add2_sub2(&f_hi, &q7_hi, &q6_hi, &p1_hi, &q5_hi);
q6 = filter16_mask(&flat2, &q6, &f_lo, &f_hi);
_mm_storeu_si128((__m128i *)(s + 6 * pitch), q6);
}
// wide flat
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
}
}
void vpx_lpf_horizontal_8_sse2(unsigned char *s, int pitch,
const unsigned char *blimit,
const unsigned char *limit,
const unsigned char *thresh) {
DECLARE_ALIGNED(16, unsigned char, flat_op2[16]);
DECLARE_ALIGNED(16, unsigned char, flat_op1[16]);
DECLARE_ALIGNED(16, unsigned char, flat_op0[16]);
DECLARE_ALIGNED(16, unsigned char, flat_oq2[16]);
DECLARE_ALIGNED(16, unsigned char, flat_oq1[16]);
DECLARE_ALIGNED(16, unsigned char, flat_oq0[16]);
const __m128i zero = _mm_set1_epi16(0);
const __m128i blimit_v = _mm_load_si128((const __m128i *)blimit);
const __m128i limit_v = _mm_load_si128((const __m128i *)limit);
const __m128i thresh_v = _mm_load_si128((const __m128i *)thresh);
__m128i mask, hev, flat;
__m128i p3, p2, p1, p0, q0, q1, q2, q3;
__m128i q3p3, q2p2, q1p1, q0p0, p1q1, p0q0;
q3p3 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 4 * pitch)),
_mm_loadl_epi64((__m128i *)(s + 3 * pitch)));
q2p2 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 3 * pitch)),
_mm_loadl_epi64((__m128i *)(s + 2 * pitch)));
q1p1 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 2 * pitch)),
_mm_loadl_epi64((__m128i *)(s + 1 * pitch)));
q0p0 = _mm_unpacklo_epi64(_mm_loadl_epi64((__m128i *)(s - 1 * pitch)),
_mm_loadl_epi64((__m128i *)(s - 0 * pitch)));
p1q1 = _mm_shuffle_epi32(q1p1, 78);
p0q0 = _mm_shuffle_epi32(q0p0, 78);
{
// filter_mask and hev_mask
const __m128i one = _mm_set1_epi8(1);
const __m128i fe = _mm_set1_epi8((int8_t)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(q0p0, p0q0);
abs_p1q1 = abs_diff(q1p1, p1q1);
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh_v);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
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(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_v);
mask = _mm_cmpeq_epi8(mask, zero);
// 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);
}
{
const __m128i four = _mm_set1_epi16(4);
unsigned char *src = s;
{
__m128i workp_a, workp_b, workp_shft;
p3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 4 * pitch)),
zero);
p2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 3 * pitch)),
zero);
p1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 2 * pitch)),
zero);
p0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 1 * pitch)),
zero);
q0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 0 * pitch)),
zero);
q1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src + 1 * pitch)),
zero);
q2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src + 2 * pitch)),
zero);
q3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src + 3 * pitch)),
zero);
workp_a = _mm_add_epi16(_mm_add_epi16(p3, p3), _mm_add_epi16(p2, p1));
workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), p0);
workp_b = _mm_add_epi16(_mm_add_epi16(q0, p2), p3);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_op2[0],
_mm_packus_epi16(workp_shft, workp_shft));
workp_b = _mm_add_epi16(_mm_add_epi16(q0, q1), p1);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_op1[0],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3), q2);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p1), p0);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_op0[0],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3), q3);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p0), q0);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_oq0[0],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p2), q3);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q0), q1);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_oq1[0],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p1), q3);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q1), q2);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_oq2[0],
_mm_packus_epi16(workp_shft, workp_shft));
}
}
// lp filter
{
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 t1 = _mm_set1_epi8(0x1);
const __m128i ps1 =
_mm_xor_si128(_mm_loadl_epi64((__m128i *)(s - 2 * pitch)), t80);
const __m128i ps0 =
_mm_xor_si128(_mm_loadl_epi64((__m128i *)(s - 1 * pitch)), t80);
const __m128i qs0 =
_mm_xor_si128(_mm_loadl_epi64((__m128i *)(s + 0 * pitch)), t80);
const __m128i qs1 =
_mm_xor_si128(_mm_loadl_epi64((__m128i *)(s + 1 * pitch)), t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
filt = _mm_and_si128(_mm_subs_epi8(ps1, qs1), hev);
work_a = _mm_subs_epi8(qs0, ps0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
// (vpx_filter + 3 * (qs0 - ps0)) & mask
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
// Filter1 >> 3
filter1 = _mm_unpacklo_epi8(zero, filter1);
filter1 = _mm_srai_epi16(filter1, 11);
filter1 = _mm_packs_epi16(filter1, filter1);
// Filter2 >> 3
filter2 = _mm_unpacklo_epi8(zero, filter2);
filter2 = _mm_srai_epi16(filter2, 11);
filter2 = _mm_packs_epi16(filter2, zero);
// filt >> 1
filt = _mm_adds_epi8(filter1, t1);
filt = _mm_unpacklo_epi8(zero, filt);
filt = _mm_srai_epi16(filt, 9);
filt = _mm_packs_epi16(filt, zero);
filt = _mm_andnot_si128(hev, filt);
work_a = _mm_xor_si128(_mm_subs_epi8(qs0, filter1), t80);
q0 = _mm_loadl_epi64((__m128i *)flat_oq0);
work_a = _mm_andnot_si128(flat, work_a);
q0 = _mm_and_si128(flat, q0);
q0 = _mm_or_si128(work_a, q0);
work_a = _mm_xor_si128(_mm_subs_epi8(qs1, filt), t80);
q1 = _mm_loadl_epi64((__m128i *)flat_oq1);
work_a = _mm_andnot_si128(flat, work_a);
q1 = _mm_and_si128(flat, q1);
q1 = _mm_or_si128(work_a, q1);
work_a = _mm_loadu_si128((__m128i *)(s + 2 * pitch));
q2 = _mm_loadl_epi64((__m128i *)flat_oq2);
work_a = _mm_andnot_si128(flat, work_a);
q2 = _mm_and_si128(flat, q2);
q2 = _mm_or_si128(work_a, q2);
work_a = _mm_xor_si128(_mm_adds_epi8(ps0, filter2), t80);
p0 = _mm_loadl_epi64((__m128i *)flat_op0);
work_a = _mm_andnot_si128(flat, work_a);
p0 = _mm_and_si128(flat, p0);
p0 = _mm_or_si128(work_a, p0);
work_a = _mm_xor_si128(_mm_adds_epi8(ps1, filt), t80);
p1 = _mm_loadl_epi64((__m128i *)flat_op1);
work_a = _mm_andnot_si128(flat, work_a);
p1 = _mm_and_si128(flat, p1);
p1 = _mm_or_si128(work_a, p1);
work_a = _mm_loadu_si128((__m128i *)(s - 3 * pitch));
p2 = _mm_loadl_epi64((__m128i *)flat_op2);
work_a = _mm_andnot_si128(flat, work_a);
p2 = _mm_and_si128(flat, p2);
p2 = _mm_or_si128(work_a, p2);
_mm_storel_epi64((__m128i *)(s - 3 * pitch), p2);
_mm_storel_epi64((__m128i *)(s - 2 * pitch), p1);
_mm_storel_epi64((__m128i *)(s - 1 * pitch), p0);
_mm_storel_epi64((__m128i *)(s + 0 * pitch), q0);
_mm_storel_epi64((__m128i *)(s + 1 * pitch), q1);
_mm_storel_epi64((__m128i *)(s + 2 * pitch), q2);
}
}
void vpx_lpf_horizontal_8_dual_sse2(
uint8_t *s, int pitch, const uint8_t *blimit0, const uint8_t *limit0,
const uint8_t *thresh0, const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
DECLARE_ALIGNED(16, unsigned char, flat_op2[16]);
DECLARE_ALIGNED(16, unsigned char, flat_op1[16]);
DECLARE_ALIGNED(16, unsigned char, flat_op0[16]);
DECLARE_ALIGNED(16, unsigned char, flat_oq2[16]);
DECLARE_ALIGNED(16, unsigned char, flat_oq1[16]);
DECLARE_ALIGNED(16, unsigned char, flat_oq0[16]);
const __m128i zero = _mm_set1_epi16(0);
const __m128i blimit =
_mm_unpacklo_epi64(_mm_load_si128((const __m128i *)blimit0),
_mm_load_si128((const __m128i *)blimit1));
const __m128i limit =
_mm_unpacklo_epi64(_mm_load_si128((const __m128i *)limit0),
_mm_load_si128((const __m128i *)limit1));
const __m128i thresh =
_mm_unpacklo_epi64(_mm_load_si128((const __m128i *)thresh0),
_mm_load_si128((const __m128i *)thresh1));
__m128i mask, hev, flat;
__m128i p3, p2, p1, p0, q0, q1, q2, q3;
p3 = _mm_loadu_si128((__m128i *)(s - 4 * pitch));
p2 = _mm_loadu_si128((__m128i *)(s - 3 * pitch));
p1 = _mm_loadu_si128((__m128i *)(s - 2 * pitch));
p0 = _mm_loadu_si128((__m128i *)(s - 1 * pitch));
q0 = _mm_loadu_si128((__m128i *)(s - 0 * pitch));
q1 = _mm_loadu_si128((__m128i *)(s + 1 * pitch));
q2 = _mm_loadu_si128((__m128i *)(s + 2 * pitch));
q3 = _mm_loadu_si128((__m128i *)(s + 3 * pitch));
{
const __m128i abs_p1p0 =
_mm_or_si128(_mm_subs_epu8(p1, p0), _mm_subs_epu8(p0, p1));
const __m128i abs_q1q0 =
_mm_or_si128(_mm_subs_epu8(q1, q0), _mm_subs_epu8(q0, q1));
const __m128i one = _mm_set1_epi8(1);
const __m128i fe = _mm_set1_epi8((int8_t)0xfe);
const __m128i ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
__m128i abs_p0q0 =
_mm_or_si128(_mm_subs_epu8(p0, q0), _mm_subs_epu8(q0, p0));
__m128i abs_p1q1 =
_mm_or_si128(_mm_subs_epu8(p1, q1), _mm_subs_epu8(q1, p1));
__m128i work;
// filter_mask and hev_mask
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
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(flat, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p2, p1), _mm_subs_epu8(p1, p2)),
_mm_or_si128(_mm_subs_epu8(p3, p2), _mm_subs_epu8(p2, p3)));
mask = _mm_max_epu8(work, mask);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q2, q1), _mm_subs_epu8(q1, q2)),
_mm_or_si128(_mm_subs_epu8(q3, q2), _mm_subs_epu8(q2, q3)));
mask = _mm_max_epu8(work, mask);
mask = _mm_subs_epu8(mask, limit);
mask = _mm_cmpeq_epi8(mask, zero);
// flat_mask4
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p2, p0), _mm_subs_epu8(p0, p2)),
_mm_or_si128(_mm_subs_epu8(q2, q0), _mm_subs_epu8(q0, q2)));
flat = _mm_max_epu8(work, flat);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p3, p0), _mm_subs_epu8(p0, p3)),
_mm_or_si128(_mm_subs_epu8(q3, q0), _mm_subs_epu8(q0, q3)));
flat = _mm_max_epu8(work, flat);
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
}
{
const __m128i four = _mm_set1_epi16(4);
unsigned char *src = s;
int i = 0;
do {
__m128i workp_a, workp_b, workp_shft;
p3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 4 * pitch)),
zero);
p2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 3 * pitch)),
zero);
p1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 2 * pitch)),
zero);
p0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 1 * pitch)),
zero);
q0 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src - 0 * pitch)),
zero);
q1 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src + 1 * pitch)),
zero);
q2 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src + 2 * pitch)),
zero);
q3 = _mm_unpacklo_epi8(_mm_loadl_epi64((__m128i *)(src + 3 * pitch)),
zero);
workp_a = _mm_add_epi16(_mm_add_epi16(p3, p3), _mm_add_epi16(p2, p1));
workp_a = _mm_add_epi16(_mm_add_epi16(workp_a, four), p0);
workp_b = _mm_add_epi16(_mm_add_epi16(q0, p2), p3);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_op2[i * 8],
_mm_packus_epi16(workp_shft, workp_shft));
workp_b = _mm_add_epi16(_mm_add_epi16(q0, q1), p1);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_op1[i * 8],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3), q2);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p1), p0);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_op0[i * 8],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p3), q3);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, p0), q0);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_oq0[i * 8],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p2), q3);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q0), q1);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_oq1[i * 8],
_mm_packus_epi16(workp_shft, workp_shft));
workp_a = _mm_add_epi16(_mm_sub_epi16(workp_a, p1), q3);
workp_b = _mm_add_epi16(_mm_sub_epi16(workp_b, q1), q2);
workp_shft = _mm_srli_epi16(_mm_add_epi16(workp_a, workp_b), 3);
_mm_storel_epi64((__m128i *)&flat_oq2[i * 8],
_mm_packus_epi16(workp_shft, workp_shft));
src += 8;
} while (++i < 2);
}
// lp filter
{
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 ps1 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s - 2 * pitch)), t80);
const __m128i ps0 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s - 1 * pitch)), t80);
const __m128i qs0 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s + 0 * pitch)), t80);
const __m128i qs1 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s + 1 * pitch)), t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
filt = _mm_and_si128(_mm_subs_epi8(ps1, qs1), hev);
work_a = _mm_subs_epi8(qs0, ps0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
// (vpx_filter + 3 * (qs0 - ps0)) & mask
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
// Filter1 >> 3
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);
// Filter2 >> 3
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);
// filt >> 1
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);
work_a = _mm_xor_si128(_mm_subs_epi8(qs0, filter1), t80);
q0 = _mm_load_si128((__m128i *)flat_oq0);
work_a = _mm_andnot_si128(flat, work_a);
q0 = _mm_and_si128(flat, q0);
q0 = _mm_or_si128(work_a, q0);
work_a = _mm_xor_si128(_mm_subs_epi8(qs1, filt), t80);
q1 = _mm_load_si128((__m128i *)flat_oq1);
work_a = _mm_andnot_si128(flat, work_a);
q1 = _mm_and_si128(flat, q1);
q1 = _mm_or_si128(work_a, q1);
work_a = _mm_loadu_si128((__m128i *)(s + 2 * pitch));
q2 = _mm_load_si128((__m128i *)flat_oq2);
work_a = _mm_andnot_si128(flat, work_a);
q2 = _mm_and_si128(flat, q2);
q2 = _mm_or_si128(work_a, q2);
work_a = _mm_xor_si128(_mm_adds_epi8(ps0, filter2), t80);
p0 = _mm_load_si128((__m128i *)flat_op0);
work_a = _mm_andnot_si128(flat, work_a);
p0 = _mm_and_si128(flat, p0);
p0 = _mm_or_si128(work_a, p0);
work_a = _mm_xor_si128(_mm_adds_epi8(ps1, filt), t80);
p1 = _mm_load_si128((__m128i *)flat_op1);
work_a = _mm_andnot_si128(flat, work_a);
p1 = _mm_and_si128(flat, p1);
p1 = _mm_or_si128(work_a, p1);
work_a = _mm_loadu_si128((__m128i *)(s - 3 * pitch));
p2 = _mm_load_si128((__m128i *)flat_op2);
work_a = _mm_andnot_si128(flat, work_a);
p2 = _mm_and_si128(flat, p2);
p2 = _mm_or_si128(work_a, p2);
_mm_storeu_si128((__m128i *)(s - 3 * pitch), p2);
_mm_storeu_si128((__m128i *)(s - 2 * pitch), p1);
_mm_storeu_si128((__m128i *)(s - 1 * pitch), p0);
_mm_storeu_si128((__m128i *)(s + 0 * pitch), q0);
_mm_storeu_si128((__m128i *)(s + 1 * pitch), q1);
_mm_storeu_si128((__m128i *)(s + 2 * pitch), q2);
}
}
void vpx_lpf_horizontal_4_dual_sse2(unsigned char *s, int pitch,
const unsigned char *blimit0,
const unsigned char *limit0,
const unsigned char *thresh0,
const unsigned char *blimit1,
const unsigned char *limit1,
const unsigned char *thresh1) {
const __m128i blimit =
_mm_unpacklo_epi64(_mm_load_si128((const __m128i *)blimit0),
_mm_load_si128((const __m128i *)blimit1));
const __m128i limit =
_mm_unpacklo_epi64(_mm_load_si128((const __m128i *)limit0),
_mm_load_si128((const __m128i *)limit1));
const __m128i thresh =
_mm_unpacklo_epi64(_mm_load_si128((const __m128i *)thresh0),
_mm_load_si128((const __m128i *)thresh1));
const __m128i zero = _mm_set1_epi16(0);
__m128i p3, p2, p1, p0, q0, q1, q2, q3;
__m128i mask, hev, flat;
p3 = _mm_loadu_si128((__m128i *)(s - 4 * pitch));
p2 = _mm_loadu_si128((__m128i *)(s - 3 * pitch));
p1 = _mm_loadu_si128((__m128i *)(s - 2 * pitch));
p0 = _mm_loadu_si128((__m128i *)(s - 1 * pitch));
q0 = _mm_loadu_si128((__m128i *)(s - 0 * pitch));
q1 = _mm_loadu_si128((__m128i *)(s + 1 * pitch));
q2 = _mm_loadu_si128((__m128i *)(s + 2 * pitch));
q3 = _mm_loadu_si128((__m128i *)(s + 3 * pitch));
// filter_mask and hev_mask
{
const __m128i abs_p1p0 =
_mm_or_si128(_mm_subs_epu8(p1, p0), _mm_subs_epu8(p0, p1));
const __m128i abs_q1q0 =
_mm_or_si128(_mm_subs_epu8(q1, q0), _mm_subs_epu8(q0, q1));
const __m128i fe = _mm_set1_epi8((int8_t)0xfe);
const __m128i ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
__m128i abs_p0q0 =
_mm_or_si128(_mm_subs_epu8(p0, q0), _mm_subs_epu8(q0, p0));
__m128i abs_p1q1 =
_mm_or_si128(_mm_subs_epu8(p1, q1), _mm_subs_epu8(q1, p1));
__m128i work;
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
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(flat, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p2, p1), _mm_subs_epu8(p1, p2)),
_mm_or_si128(_mm_subs_epu8(p3, p2), _mm_subs_epu8(p2, p3)));
mask = _mm_max_epu8(work, mask);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q2, q1), _mm_subs_epu8(q1, q2)),
_mm_or_si128(_mm_subs_epu8(q3, q2), _mm_subs_epu8(q2, q3)));
mask = _mm_max_epu8(work, mask);
mask = _mm_subs_epu8(mask, limit);
mask = _mm_cmpeq_epi8(mask, zero);
}
// 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 ps1 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s - 2 * pitch)), t80);
const __m128i ps0 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s - 1 * pitch)), t80);
const __m128i qs0 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s + 0 * pitch)), t80);
const __m128i qs1 =
_mm_xor_si128(_mm_loadu_si128((__m128i *)(s + 1 * pitch)), t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
filt = _mm_and_si128(_mm_subs_epi8(ps1, qs1), hev);
work_a = _mm_subs_epi8(qs0, ps0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
// (vpx_filter + 3 * (qs0 - ps0)) & mask
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
// Filter1 >> 3
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);
// Filter2 >> 3
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);
// filt >> 1
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);
q0 = _mm_xor_si128(_mm_subs_epi8(qs0, filter1), t80);
q1 = _mm_xor_si128(_mm_subs_epi8(qs1, filt), t80);
p0 = _mm_xor_si128(_mm_adds_epi8(ps0, filter2), t80);
p1 = _mm_xor_si128(_mm_adds_epi8(ps1, filt), t80);
_mm_storeu_si128((__m128i *)(s - 2 * pitch), p1);
_mm_storeu_si128((__m128i *)(s - 1 * pitch), p0);
_mm_storeu_si128((__m128i *)(s + 0 * pitch), q0);
_mm_storeu_si128((__m128i *)(s + 1 * pitch), q1);
}
}
static INLINE void transpose8x16(unsigned char *in0, unsigned char *in1,
int in_p, unsigned char *out, int out_p) {
__m128i x0, x1, x2, x3, x4, x5, x6, x7;
__m128i x8, x9, x10, x11, x12, x13, x14, x15;
// 2-way interleave w/hoisting of unpacks
x0 = _mm_loadl_epi64((__m128i *)in0); // 1
x1 = _mm_loadl_epi64((__m128i *)(in0 + in_p)); // 3
x0 = _mm_unpacklo_epi8(x0, x1); // 1
x2 = _mm_loadl_epi64((__m128i *)(in0 + 2 * in_p)); // 5
x3 = _mm_loadl_epi64((__m128i *)(in0 + 3 * in_p)); // 7
x1 = _mm_unpacklo_epi8(x2, x3); // 2
x4 = _mm_loadl_epi64((__m128i *)(in0 + 4 * in_p)); // 9
x5 = _mm_loadl_epi64((__m128i *)(in0 + 5 * in_p)); // 11
x2 = _mm_unpacklo_epi8(x4, x5); // 3
x6 = _mm_loadl_epi64((__m128i *)(in0 + 6 * in_p)); // 13
x7 = _mm_loadl_epi64((__m128i *)(in0 + 7 * in_p)); // 15
x3 = _mm_unpacklo_epi8(x6, x7); // 4
x4 = _mm_unpacklo_epi16(x0, x1); // 9
x8 = _mm_loadl_epi64((__m128i *)in1); // 2
x9 = _mm_loadl_epi64((__m128i *)(in1 + in_p)); // 4
x8 = _mm_unpacklo_epi8(x8, x9); // 5
x5 = _mm_unpacklo_epi16(x2, x3); // 10
x10 = _mm_loadl_epi64((__m128i *)(in1 + 2 * in_p)); // 6
x11 = _mm_loadl_epi64((__m128i *)(in1 + 3 * in_p)); // 8
x9 = _mm_unpacklo_epi8(x10, x11); // 6
x12 = _mm_loadl_epi64((__m128i *)(in1 + 4 * in_p)); // 10
x13 = _mm_loadl_epi64((__m128i *)(in1 + 5 * in_p)); // 12
x10 = _mm_unpacklo_epi8(x12, x13); // 7
x12 = _mm_unpacklo_epi16(x8, x9); // 11
x14 = _mm_loadl_epi64((__m128i *)(in1 + 6 * in_p)); // 14
x15 = _mm_loadl_epi64((__m128i *)(in1 + 7 * in_p)); // 16
x11 = _mm_unpacklo_epi8(x14, x15); // 8
x13 = _mm_unpacklo_epi16(x10, x11); // 12
x6 = _mm_unpacklo_epi32(x4, x5); // 13
x7 = _mm_unpackhi_epi32(x4, x5); // 14
x14 = _mm_unpacklo_epi32(x12, x13); // 15
x15 = _mm_unpackhi_epi32(x12, x13); // 16
// Store first 4-line result
_mm_storeu_si128((__m128i *)out, _mm_unpacklo_epi64(x6, x14));
_mm_storeu_si128((__m128i *)(out + out_p), _mm_unpackhi_epi64(x6, x14));
_mm_storeu_si128((__m128i *)(out + 2 * out_p), _mm_unpacklo_epi64(x7, x15));
_mm_storeu_si128((__m128i *)(out + 3 * out_p), _mm_unpackhi_epi64(x7, x15));
x4 = _mm_unpackhi_epi16(x0, x1);
x5 = _mm_unpackhi_epi16(x2, x3);
x12 = _mm_unpackhi_epi16(x8, x9);
x13 = _mm_unpackhi_epi16(x10, x11);
x6 = _mm_unpacklo_epi32(x4, x5);
x7 = _mm_unpackhi_epi32(x4, x5);
x14 = _mm_unpacklo_epi32(x12, x13);
x15 = _mm_unpackhi_epi32(x12, x13);
// Store second 4-line result
_mm_storeu_si128((__m128i *)(out + 4 * out_p), _mm_unpacklo_epi64(x6, x14));
_mm_storeu_si128((__m128i *)(out + 5 * out_p), _mm_unpackhi_epi64(x6, x14));
_mm_storeu_si128((__m128i *)(out + 6 * out_p), _mm_unpacklo_epi64(x7, x15));
_mm_storeu_si128((__m128i *)(out + 7 * out_p), _mm_unpackhi_epi64(x7, x15));
}
static INLINE void transpose(unsigned char *src[], int in_p,
unsigned char *dst[], int out_p,
int num_8x8_to_transpose) {
int idx8x8 = 0;
__m128i x0, x1, x2, x3, x4, x5, x6, x7;
do {
unsigned char *in = src[idx8x8];
unsigned char *out = dst[idx8x8];
x0 =
_mm_loadl_epi64((__m128i *)(in + 0 * in_p)); // 00 01 02 03 04 05 06 07
x1 =
_mm_loadl_epi64((__m128i *)(in + 1 * in_p)); // 10 11 12 13 14 15 16 17
// 00 10 01 11 02 12 03 13 04 14 05 15 06 16 07 17
x0 = _mm_unpacklo_epi8(x0, x1);
x2 =
_mm_loadl_epi64((__m128i *)(in + 2 * in_p)); // 20 21 22 23 24 25 26 27
x3 =
_mm_loadl_epi64((__m128i *)(in + 3 * in_p)); // 30 31 32 33 34 35 36 37
// 20 30 21 31 22 32 23 33 24 34 25 35 26 36 27 37
x1 = _mm_unpacklo_epi8(x2, x3);
x4 =
_mm_loadl_epi64((__m128i *)(in + 4 * in_p)); // 40 41 42 43 44 45 46 47
x5 =
_mm_loadl_epi64((__m128i *)(in + 5 * in_p)); // 50 51 52 53 54 55 56 57
// 40 50 41 51 42 52 43 53 44 54 45 55 46 56 47 57
x2 = _mm_unpacklo_epi8(x4, x5);
x6 =
_mm_loadl_epi64((__m128i *)(in + 6 * in_p)); // 60 61 62 63 64 65 66 67
x7 =
_mm_loadl_epi64((__m128i *)(in + 7 * in_p)); // 70 71 72 73 74 75 76 77
// 60 70 61 71 62 72 63 73 64 74 65 75 66 76 67 77
x3 = _mm_unpacklo_epi8(x6, x7);
// 00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
x4 = _mm_unpacklo_epi16(x0, x1);
// 40 50 60 70 41 51 61 71 42 52 62 72 43 53 63 73
x5 = _mm_unpacklo_epi16(x2, x3);
// 00 10 20 30 40 50 60 70 01 11 21 31 41 51 61 71
x6 = _mm_unpacklo_epi32(x4, x5);
mm_storelu(out + 0 * out_p, x6); // 00 10 20 30 40 50 60 70
mm_storehu(out + 1 * out_p, x6); // 01 11 21 31 41 51 61 71
// 02 12 22 32 42 52 62 72 03 13 23 33 43 53 63 73
x7 = _mm_unpackhi_epi32(x4, x5);
mm_storelu(out + 2 * out_p, x7); // 02 12 22 32 42 52 62 72
mm_storehu(out + 3 * out_p, x7); // 03 13 23 33 43 53 63 73
// 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
x4 = _mm_unpackhi_epi16(x0, x1);
// 44 54 64 74 45 55 65 75 46 56 66 76 47 57 67 77
x5 = _mm_unpackhi_epi16(x2, x3);
// 04 14 24 34 44 54 64 74 05 15 25 35 45 55 65 75
x6 = _mm_unpacklo_epi32(x4, x5);
mm_storelu(out + 4 * out_p, x6); // 04 14 24 34 44 54 64 74
mm_storehu(out + 5 * out_p, x6); // 05 15 25 35 45 55 65 75
// 06 16 26 36 46 56 66 76 07 17 27 37 47 57 67 77
x7 = _mm_unpackhi_epi32(x4, x5);
mm_storelu(out + 6 * out_p, x7); // 06 16 26 36 46 56 66 76
mm_storehu(out + 7 * out_p, x7); // 07 17 27 37 47 57 67 77
} while (++idx8x8 < num_8x8_to_transpose);
}
void vpx_lpf_vertical_4_dual_sse2(uint8_t *s, int pitch, const uint8_t *blimit0,
const uint8_t *limit0, const uint8_t *thresh0,
const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
DECLARE_ALIGNED(16, unsigned char, t_dst[16 * 8]);
unsigned char *src[2];
unsigned char *dst[2];
// Transpose 8x16
transpose8x16(s - 4, s - 4 + pitch * 8, pitch, t_dst, 16);
// Loop filtering
vpx_lpf_horizontal_4_dual(t_dst + 4 * 16, 16, blimit0, limit0, thresh0,
blimit1, limit1, thresh1);
src[0] = t_dst;
src[1] = t_dst + 8;
dst[0] = s - 4;
dst[1] = s - 4 + pitch * 8;
// Transpose back
transpose(src, 16, dst, pitch, 2);
}
void vpx_lpf_vertical_8_sse2(unsigned char *s, int pitch,
const unsigned char *blimit,
const unsigned char *limit,
const unsigned char *thresh) {
DECLARE_ALIGNED(8, unsigned char, t_dst[8 * 8]);
unsigned char *src[1];
unsigned char *dst[1];
// Transpose 8x8
src[0] = s - 4;
dst[0] = t_dst;
transpose(src, pitch, dst, 8, 1);
// Loop filtering
vpx_lpf_horizontal_8(t_dst + 4 * 8, 8, blimit, limit, thresh);
src[0] = t_dst;
dst[0] = s - 4;
// Transpose back
transpose(src, 8, dst, pitch, 1);
}
void vpx_lpf_vertical_8_dual_sse2(uint8_t *s, int pitch, const uint8_t *blimit0,
const uint8_t *limit0, const uint8_t *thresh0,
const uint8_t *blimit1, const uint8_t *limit1,
const uint8_t *thresh1) {
DECLARE_ALIGNED(16, unsigned char, t_dst[16 * 8]);
unsigned char *src[2];
unsigned char *dst[2];
// Transpose 8x16
transpose8x16(s - 4, s - 4 + pitch * 8, pitch, t_dst, 16);
// Loop filtering
vpx_lpf_horizontal_8_dual(t_dst + 4 * 16, 16, blimit0, limit0, thresh0,
blimit1, limit1, thresh1);
src[0] = t_dst;
src[1] = t_dst + 8;
dst[0] = s - 4;
dst[1] = s - 4 + pitch * 8;
// Transpose back
transpose(src, 16, dst, pitch, 2);
}
void vpx_lpf_vertical_16_sse2(unsigned char *s, int pitch,
const unsigned char *blimit,
const unsigned char *limit,
const unsigned char *thresh) {
DECLARE_ALIGNED(8, unsigned char, t_dst[8 * 16]);
unsigned char *src[2];
unsigned char *dst[2];
src[0] = s - 8;
src[1] = s;
dst[0] = t_dst;
dst[1] = t_dst + 8 * 8;
// Transpose 16x8
transpose(src, pitch, dst, 8, 2);
// Loop filtering
vpx_lpf_horizontal_16(t_dst + 8 * 8, 8, blimit, limit, thresh);
src[0] = t_dst;
src[1] = t_dst + 8 * 8;
dst[0] = s - 8;
dst[1] = s;
// Transpose back
transpose(src, 8, dst, pitch, 2);
}
void vpx_lpf_vertical_16_dual_sse2(unsigned char *s, int pitch,
const uint8_t *blimit, const uint8_t *limit,
const uint8_t *thresh) {
DECLARE_ALIGNED(16, unsigned char, t_dst[256]);
// Transpose 16x16
transpose8x16(s - 8, s - 8 + 8 * pitch, pitch, t_dst, 16);
transpose8x16(s, s + 8 * pitch, pitch, t_dst + 8 * 16, 16);
// Loop filtering
vpx_lpf_horizontal_16_dual(t_dst + 8 * 16, 16, blimit, limit, thresh);
// Transpose back
transpose8x16(t_dst, t_dst + 8 * 16, 16, s - 8, pitch);
transpose8x16(t_dst + 8, t_dst + 8 + 8 * 16, 16, s - 8 + 8 * pitch, pitch);
}