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aomedia / avm / refs/heads/simplifications_filter / . / aom_dsp / x86 / intrapred_avx2.c
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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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
* aomedia.org/license/patent-license/.
*/
#include <immintrin.h>
#include "config/aom_dsp_rtcd.h"
#include "aom_dsp/x86/intrapred_x86.h"
#include "aom_dsp/x86/lpf_common_sse2.h"
#if CONFIG_IDIF
#include "av1/common/reconintra.h"
#endif // CONFIG_IDIF
static DECLARE_ALIGNED(16, uint8_t, HighbdLoadMaskx[8][16]) = {
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
{ 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 },
{ 0, 1, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 3, 4, 5 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 3 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 },
};
static DECLARE_ALIGNED(16, uint8_t, HighbdEvenOddMaskx4[4][16]) = {
{ 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15 },
{ 0, 1, 2, 3, 6, 7, 10, 11, 14, 15, 4, 5, 8, 9, 12, 13 },
{ 0, 1, 0, 1, 4, 5, 8, 9, 12, 13, 0, 1, 6, 7, 10, 11 },
{ 0, 1, 0, 1, 0, 1, 6, 7, 10, 11, 14, 15, 0, 1, 8, 9 }
};
static DECLARE_ALIGNED(16, uint8_t, HighbdEvenOddMaskx[8][32]) = {
{ 0, 1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29,
2, 3, 6, 7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 31 },
{ 0, 1, 2, 3, 6, 7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27,
0, 1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25, 28, 29 },
{ 0, 1, 0, 1, 4, 5, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25,
0, 1, 0, 1, 6, 7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27 },
{ 0, 1, 0, 1, 0, 1, 6, 7, 10, 11, 14, 15, 18, 19, 22, 23,
0, 1, 0, 1, 0, 1, 8, 9, 12, 13, 16, 17, 20, 21, 24, 25 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 8, 9, 12, 13, 16, 17, 20, 21,
0, 1, 0, 1, 0, 1, 0, 1, 10, 11, 14, 15, 18, 19, 22, 23 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 10, 11, 14, 15, 18, 19,
0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 12, 13, 16, 17, 20, 21 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 12, 13, 16, 17,
0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 14, 15, 18, 19 },
{ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 14, 15,
0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 16, 17 }
};
static DECLARE_ALIGNED(32, uint16_t, HighbdBaseMask[17][16]) = {
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0, 0, 0, 0,
0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0, 0,
0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0,
0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0 },
{ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff,
0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff }
};
static INLINE void highbd_transpose16x4_8x8_sse2(__m128i *x, __m128i *d) {
__m128i r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15;
r0 = _mm_unpacklo_epi16(x[0], x[1]);
r1 = _mm_unpacklo_epi16(x[2], x[3]);
r2 = _mm_unpacklo_epi16(x[4], x[5]);
r3 = _mm_unpacklo_epi16(x[6], x[7]);
r4 = _mm_unpacklo_epi16(x[8], x[9]);
r5 = _mm_unpacklo_epi16(x[10], x[11]);
r6 = _mm_unpacklo_epi16(x[12], x[13]);
r7 = _mm_unpacklo_epi16(x[14], x[15]);
r8 = _mm_unpacklo_epi32(r0, r1);
r9 = _mm_unpackhi_epi32(r0, r1);
r10 = _mm_unpacklo_epi32(r2, r3);
r11 = _mm_unpackhi_epi32(r2, r3);
r12 = _mm_unpacklo_epi32(r4, r5);
r13 = _mm_unpackhi_epi32(r4, r5);
r14 = _mm_unpacklo_epi32(r6, r7);
r15 = _mm_unpackhi_epi32(r6, r7);
r0 = _mm_unpacklo_epi64(r8, r9);
r1 = _mm_unpackhi_epi64(r8, r9);
r2 = _mm_unpacklo_epi64(r10, r11);
r3 = _mm_unpackhi_epi64(r10, r11);
r4 = _mm_unpacklo_epi64(r12, r13);
r5 = _mm_unpackhi_epi64(r12, r13);
r6 = _mm_unpacklo_epi64(r14, r15);
r7 = _mm_unpackhi_epi64(r14, r15);
d[0] = _mm_unpacklo_epi64(r0, r2);
d[1] = _mm_unpacklo_epi64(r4, r6);
d[2] = _mm_unpacklo_epi64(r1, r3);
d[3] = _mm_unpacklo_epi64(r5, r7);
d[4] = _mm_unpackhi_epi64(r0, r2);
d[5] = _mm_unpackhi_epi64(r4, r6);
d[6] = _mm_unpackhi_epi64(r1, r3);
d[7] = _mm_unpackhi_epi64(r5, r7);
}
static INLINE void highbd_transpose4x16_avx2(__m256i *x, __m256i *d) {
__m256i w0, w1, w2, w3, ww0, ww1;
w0 = _mm256_unpacklo_epi16(x[0], x[1]); // 00 10 01 11 02 12 03 13
w1 = _mm256_unpacklo_epi16(x[2], x[3]); // 20 30 21 31 22 32 23 33
w2 = _mm256_unpackhi_epi16(x[0], x[1]); // 40 50 41 51 42 52 43 53
w3 = _mm256_unpackhi_epi16(x[2], x[3]); // 60 70 61 71 62 72 63 73
ww0 = _mm256_unpacklo_epi32(w0, w1); // 00 10 20 30 01 11 21 31
ww1 = _mm256_unpacklo_epi32(w2, w3); // 40 50 60 70 41 51 61 71
d[0] = _mm256_unpacklo_epi64(ww0, ww1); // 00 10 20 30 40 50 60 70
d[1] = _mm256_unpackhi_epi64(ww0, ww1); // 01 11 21 31 41 51 61 71
ww0 = _mm256_unpackhi_epi32(w0, w1); // 02 12 22 32 03 13 23 33
ww1 = _mm256_unpackhi_epi32(w2, w3); // 42 52 62 72 43 53 63 73
d[2] = _mm256_unpacklo_epi64(ww0, ww1); // 02 12 22 32 42 52 62 72
d[3] = _mm256_unpackhi_epi64(ww0, ww1); // 03 13 23 33 43 53 63 73
}
static INLINE void highbd_transpose8x16_16x8_avx2(__m256i *x, __m256i *d) {
__m256i w0, w1, w2, w3, ww0, ww1;
w0 = _mm256_unpacklo_epi16(x[0], x[1]); // 00 10 01 11 02 12 03 13
w1 = _mm256_unpacklo_epi16(x[2], x[3]); // 20 30 21 31 22 32 23 33
w2 = _mm256_unpacklo_epi16(x[4], x[5]); // 40 50 41 51 42 52 43 53
w3 = _mm256_unpacklo_epi16(x[6], x[7]); // 60 70 61 71 62 72 63 73
ww0 = _mm256_unpacklo_epi32(w0, w1); // 00 10 20 30 01 11 21 31
ww1 = _mm256_unpacklo_epi32(w2, w3); // 40 50 60 70 41 51 61 71
d[0] = _mm256_unpacklo_epi64(ww0, ww1); // 00 10 20 30 40 50 60 70
d[1] = _mm256_unpackhi_epi64(ww0, ww1); // 01 11 21 31 41 51 61 71
ww0 = _mm256_unpackhi_epi32(w0, w1); // 02 12 22 32 03 13 23 33
ww1 = _mm256_unpackhi_epi32(w2, w3); // 42 52 62 72 43 53 63 73
d[2] = _mm256_unpacklo_epi64(ww0, ww1); // 02 12 22 32 42 52 62 72
d[3] = _mm256_unpackhi_epi64(ww0, ww1); // 03 13 23 33 43 53 63 73
w0 = _mm256_unpackhi_epi16(x[0], x[1]); // 04 14 05 15 06 16 07 17
w1 = _mm256_unpackhi_epi16(x[2], x[3]); // 24 34 25 35 26 36 27 37
w2 = _mm256_unpackhi_epi16(x[4], x[5]); // 44 54 45 55 46 56 47 57
w3 = _mm256_unpackhi_epi16(x[6], x[7]); // 64 74 65 75 66 76 67 77
ww0 = _mm256_unpacklo_epi32(w0, w1); // 04 14 24 34 05 15 25 35
ww1 = _mm256_unpacklo_epi32(w2, w3); // 44 54 64 74 45 55 65 75
d[4] = _mm256_unpacklo_epi64(ww0, ww1); // 04 14 24 34 44 54 64 74
d[5] = _mm256_unpackhi_epi64(ww0, ww1); // 05 15 25 35 45 55 65 75
ww0 = _mm256_unpackhi_epi32(w0, w1); // 06 16 26 36 07 17 27 37
ww1 = _mm256_unpackhi_epi32(w2, w3); // 46 56 66 76 47 57 67 77
d[6] = _mm256_unpacklo_epi64(ww0, ww1); // 06 16 26 36 46 56 66 76
d[7] = _mm256_unpackhi_epi64(ww0, ww1); // 07 17 27 37 47 57 67 77
}
static INLINE void highbd_transpose16x16_avx2(__m256i *x, __m256i *d) {
__m256i w0, w1, w2, w3, ww0, ww1;
__m256i dd[16];
w0 = _mm256_unpacklo_epi16(x[0], x[1]);
w1 = _mm256_unpacklo_epi16(x[2], x[3]);
w2 = _mm256_unpacklo_epi16(x[4], x[5]);
w3 = _mm256_unpacklo_epi16(x[6], x[7]);
ww0 = _mm256_unpacklo_epi32(w0, w1); //
ww1 = _mm256_unpacklo_epi32(w2, w3); //
dd[0] = _mm256_unpacklo_epi64(ww0, ww1);
dd[1] = _mm256_unpackhi_epi64(ww0, ww1);
ww0 = _mm256_unpackhi_epi32(w0, w1); //
ww1 = _mm256_unpackhi_epi32(w2, w3); //
dd[2] = _mm256_unpacklo_epi64(ww0, ww1);
dd[3] = _mm256_unpackhi_epi64(ww0, ww1);
w0 = _mm256_unpackhi_epi16(x[0], x[1]);
w1 = _mm256_unpackhi_epi16(x[2], x[3]);
w2 = _mm256_unpackhi_epi16(x[4], x[5]);
w3 = _mm256_unpackhi_epi16(x[6], x[7]);
ww0 = _mm256_unpacklo_epi32(w0, w1); //
ww1 = _mm256_unpacklo_epi32(w2, w3); //
dd[4] = _mm256_unpacklo_epi64(ww0, ww1);
dd[5] = _mm256_unpackhi_epi64(ww0, ww1);
ww0 = _mm256_unpackhi_epi32(w0, w1); //
ww1 = _mm256_unpackhi_epi32(w2, w3); //
dd[6] = _mm256_unpacklo_epi64(ww0, ww1);
dd[7] = _mm256_unpackhi_epi64(ww0, ww1);
w0 = _mm256_unpacklo_epi16(x[8], x[9]);
w1 = _mm256_unpacklo_epi16(x[10], x[11]);
w2 = _mm256_unpacklo_epi16(x[12], x[13]);
w3 = _mm256_unpacklo_epi16(x[14], x[15]);
ww0 = _mm256_unpacklo_epi32(w0, w1);
ww1 = _mm256_unpacklo_epi32(w2, w3);
dd[8] = _mm256_unpacklo_epi64(ww0, ww1);
dd[9] = _mm256_unpackhi_epi64(ww0, ww1);
ww0 = _mm256_unpackhi_epi32(w0, w1);
ww1 = _mm256_unpackhi_epi32(w2, w3);
dd[10] = _mm256_unpacklo_epi64(ww0, ww1);
dd[11] = _mm256_unpackhi_epi64(ww0, ww1);
w0 = _mm256_unpackhi_epi16(x[8], x[9]);
w1 = _mm256_unpackhi_epi16(x[10], x[11]);
w2 = _mm256_unpackhi_epi16(x[12], x[13]);
w3 = _mm256_unpackhi_epi16(x[14], x[15]);
ww0 = _mm256_unpacklo_epi32(w0, w1);
ww1 = _mm256_unpacklo_epi32(w2, w3);
dd[12] = _mm256_unpacklo_epi64(ww0, ww1);
dd[13] = _mm256_unpackhi_epi64(ww0, ww1);
ww0 = _mm256_unpackhi_epi32(w0, w1);
ww1 = _mm256_unpackhi_epi32(w2, w3);
dd[14] = _mm256_unpacklo_epi64(ww0, ww1);
dd[15] = _mm256_unpackhi_epi64(ww0, ww1);
for (int i = 0; i < 8; i++) {
d[i] = _mm256_insertf128_si256(dd[i], _mm256_castsi256_si128(dd[i + 8]), 1);
d[i + 8] = _mm256_insertf128_si256(dd[i + 8],
_mm256_extracti128_si256(dd[i], 1), 0);
}
}
#define PERM4x64(c0, c1, c2, c3) c0 + (c1 << 2) + (c2 << 4) + (c3 << 6)
#define PERM2x128(c0, c1) c0 + (c1 << 4)
static AOM_FORCE_INLINE void highbd_dr_prediction_z1_4xN_internal_avx2(
int N, __m128i *dst, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((N + 4) - 1 + (mrl_index << 1)) << upsample_above;
assert(dx > 0);
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a32, a16;
__m256i diff, c3f;
__m128i a_mbase_x, max_base_x128, base_inc128, mask128;
__m128i a0_128, a1_128;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm_set1_epi16(above[max_base_x]);
max_base_x128 = _mm_set1_epi16(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i res1;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dst[i] = a_mbase_x; // save 4 values
}
return;
}
a0_128 = _mm_loadu_si128((__m128i *)(above + base));
a1_128 = _mm_loadu_si128((__m128i *)(above + base + 1));
if (upsample_above) {
a0_128 = _mm_shuffle_epi8(a0_128, *(__m128i *)HighbdEvenOddMaskx4[0]);
a1_128 = _mm_srli_si128(a0_128, 8);
base_inc128 = _mm_setr_epi16(base, base + 2, base + 4, base + 6, base + 8,
base + 10, base + 12, base + 14);
shift = _mm256_srli_epi16(
_mm256_and_si256(
_mm256_slli_epi16(_mm256_set1_epi16(x), upsample_above),
_mm256_set1_epi16(0x3f)),
1);
} else {
base_inc128 = _mm_setr_epi16(base, base + 1, base + 2, base + 3, base + 4,
base + 5, base + 6, base + 7);
shift = _mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
}
a0 = _mm256_castsi128_si256(a0_128);
a1 = _mm256_castsi128_si256(a1_128);
diff = _mm256_sub_epi16(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5);
res1 = _mm256_castsi256_si128(res);
mask128 = _mm_cmpgt_epi16(max_base_x128, base_inc128);
dst[r] = _mm_blendv_epi8(a_mbase_x, res1, mask128);
x += dx;
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_32bit_z1_4xN_internal_avx2(
int N, __m128i *dst, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((N + 4) - 1 + (mrl_index << 1)) << upsample_above;
assert(dx > 0);
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a32, a16;
__m256i diff;
__m128i a_mbase_x, max_base_x128, base_inc128, mask128;
a16 = _mm256_set1_epi32(16);
a_mbase_x = _mm_set1_epi16(above[max_base_x]);
max_base_x128 = _mm_set1_epi32(max_base_x);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i res1;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dst[i] = a_mbase_x; // save 4 values
}
return;
}
a0 = _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base)));
a1 = _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base + 1)));
if (upsample_above) {
a0 = _mm256_permutevar8x32_epi32(
a0, _mm256_set_epi32(7, 5, 3, 1, 6, 4, 2, 0));
a1 = _mm256_castsi128_si256(_mm256_extracti128_si256(a0, 1));
base_inc128 = _mm_setr_epi32(base, base + 2, base + 4, base + 6);
shift = _mm256_srli_epi32(
_mm256_and_si256(
_mm256_slli_epi32(_mm256_set1_epi32(x), upsample_above),
_mm256_set1_epi32(0x3f)),
1);
} else {
base_inc128 = _mm_setr_epi32(base, base + 1, base + 2, base + 3);
shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_set1_epi32(x), _mm256_set1_epi32(0x3f)), 1);
}
diff = _mm256_sub_epi32(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
res1 = _mm256_castsi256_si128(res);
res1 = _mm_packus_epi32(res1, res1);
mask128 = _mm_cmpgt_epi32(max_base_x128, base_inc128);
mask128 = _mm_packs_epi32(mask128, mask128); // goto 16 bit
dst[r] = _mm_blendv_epi8(a_mbase_x, res1, mask128);
x += dx;
}
}
static void highbd_dr_prediction_z1_4xN_avx2(int N, uint16_t *dst,
ptrdiff_t stride,
const uint16_t *above,
int upsample_above, int dx, int bd,
int mrl_index) {
__m128i dstvec[16];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(N, dstvec, above, upsample_above,
dx, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(
N, dstvec, above, upsample_above, dx, mrl_index);
}
for (int i = 0; i < N; i++) {
_mm_storel_epi64((__m128i *)(dst + stride * i), dstvec[i]);
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_32bit_z1_8xN_internal_avx2(
int N, __m128i *dst, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((8 + N) - 1 + (mrl_index << 1)) << upsample_above;
assert(dx > 0);
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a0_1, a1_1, a32, a16;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi32(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi32(max_base_x);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, res1, shift;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dst[i] = _mm256_castsi256_si128(a_mbase_x); // save 8 values
}
return;
}
a0 = _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base)));
a1 = _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base + 1)));
if (upsample_above) {
a0 = _mm256_permutevar8x32_epi32(
a0, _mm256_set_epi32(7, 5, 3, 1, 6, 4, 2, 0));
a1 = _mm256_castsi128_si256(_mm256_extracti128_si256(a0, 1));
a0_1 =
_mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base + 8)));
a0_1 = _mm256_permutevar8x32_epi32(
a0_1, _mm256_set_epi32(7, 5, 3, 1, 6, 4, 2, 0));
a1_1 = _mm256_castsi128_si256(_mm256_extracti128_si256(a0_1, 1));
a0 = _mm256_inserti128_si256(a0, _mm256_castsi256_si128(a0_1), 1);
a1 = _mm256_inserti128_si256(a1, _mm256_castsi256_si128(a1_1), 1);
base_inc256 =
_mm256_setr_epi32(base, base + 2, base + 4, base + 6, base + 8,
base + 10, base + 12, base + 14);
shift = _mm256_srli_epi32(
_mm256_and_si256(
_mm256_slli_epi32(_mm256_set1_epi32(x), upsample_above),
_mm256_set1_epi32(0x3f)),
1);
} else {
base_inc256 = _mm256_setr_epi32(base, base + 1, base + 2, base + 3,
base + 4, base + 5, base + 6, base + 7);
shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_set1_epi32(x), _mm256_set1_epi32(0x3f)), 1);
}
diff = _mm256_sub_epi32(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
res1 = _mm256_packus_epi32(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1)));
mask256 = _mm256_cmpgt_epi32(max_base_x256, base_inc256);
mask256 = _mm256_packs_epi32(
mask256, _mm256_castsi128_si256(
_mm256_extracti128_si256(mask256, 1))); // goto 16 bit
res1 = _mm256_blendv_epi8(a_mbase_x, res1, mask256);
dst[r] = _mm256_castsi256_si128(res1);
x += dx;
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_z1_8xN_internal_avx2(
int N, __m128i *dst, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((8 + N) - 1 + (mrl_index << 1)) << upsample_above;
assert(dx > 0);
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a32, a16, c3f;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
__m128i a0_x128, a1_x128;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, res1, shift;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dst[i] = _mm256_castsi256_si128(a_mbase_x); // save 8 values
}
return;
}
a0_x128 = _mm_loadu_si128((__m128i *)(above + base));
if (upsample_above) {
__m128i mask, atmp0, atmp1, atmp2, atmp3;
a1_x128 = _mm_loadu_si128((__m128i *)(above + base + 8));
atmp0 = _mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdEvenOddMaskx[0]);
atmp1 = _mm_shuffle_epi8(a1_x128, *(__m128i *)HighbdEvenOddMaskx[0]);
atmp2 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)(HighbdEvenOddMaskx[0] + 16));
atmp3 =
_mm_shuffle_epi8(a1_x128, *(__m128i *)(HighbdEvenOddMaskx[0] + 16));
mask =
_mm_cmpgt_epi8(*(__m128i *)HighbdEvenOddMaskx[0], _mm_set1_epi8(15));
a0_x128 = _mm_blendv_epi8(atmp0, atmp1, mask);
mask = _mm_cmpgt_epi8(*(__m128i *)(HighbdEvenOddMaskx[0] + 16),
_mm_set1_epi8(15));
a1_x128 = _mm_blendv_epi8(atmp2, atmp3, mask);
base_inc256 = _mm256_setr_epi16(base, base + 2, base + 4, base + 6,
base + 8, base + 10, base + 12, base + 14,
0, 0, 0, 0, 0, 0, 0, 0);
shift = _mm256_srli_epi16(
_mm256_and_si256(
_mm256_slli_epi16(_mm256_set1_epi16(x), upsample_above), c3f),
1);
} else {
a1_x128 = _mm_loadu_si128((__m128i *)(above + base + 1));
base_inc256 = _mm256_setr_epi16(base, base + 1, base + 2, base + 3,
base + 4, base + 5, base + 6, base + 7, 0,
0, 0, 0, 0, 0, 0, 0);
shift = _mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
}
a0 = _mm256_castsi128_si256(a0_x128);
a1 = _mm256_castsi128_si256(a1_x128);
diff = _mm256_sub_epi16(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
res1 = _mm256_blendv_epi8(a_mbase_x, res, mask256);
dst[r] = _mm256_castsi256_si128(res1);
x += dx;
}
}
static void highbd_dr_prediction_z1_8xN_avx2(int N, uint16_t *dst,
ptrdiff_t stride,
const uint16_t *above,
int upsample_above, int dx, int bd,
int mrl_index) {
__m128i dstvec[32];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(N, dstvec, above, upsample_above,
dx, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(
N, dstvec, above, upsample_above, dx, mrl_index);
}
for (int i = 0; i < N; i++) {
_mm_storeu_si128((__m128i *)(dst + stride * i), dstvec[i]);
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_32bit_z1_16xN_internal_avx2(
int N, __m256i *dstvec, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
// here upsample_above is 0 by design of av1_use_intra_edge_upsample
(void)upsample_above;
const int frac_bits = 6;
const int max_base_x = ((16 + N) - 1 + (mrl_index << 1));
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a0_1, a1, a1_1, a32, a16;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi32(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res[2], res1;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dstvec[i] = a_mbase_x; // save 16 values
}
return;
}
__m256i shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_set1_epi32(x), _mm256_set1_epi32(0x3f)), 1);
a0 = _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base)));
a1 = _mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base + 1)));
diff = _mm256_sub_epi32(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res[0] = _mm256_add_epi32(a32, b);
res[0] = _mm256_srli_epi32(res[0], 5);
res[0] = _mm256_packus_epi32(
res[0], _mm256_castsi128_si256(_mm256_extracti128_si256(res[0], 1)));
int mdif = max_base_x - base;
if (mdif > 8) {
a0_1 =
_mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base + 8)));
a1_1 =
_mm256_cvtepu16_epi32(_mm_loadu_si128((__m128i *)(above + base + 9)));
diff = _mm256_sub_epi32(a1_1, a0_1); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_1, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res[1] = _mm256_add_epi32(a32, b);
res[1] = _mm256_srli_epi32(res[1], 5);
res[1] = _mm256_packus_epi32(
res[1], _mm256_castsi128_si256(_mm256_extracti128_si256(res[1], 1)));
} else {
res[1] = a_mbase_x;
}
res1 = _mm256_inserti128_si256(res[0], _mm256_castsi256_si128(res[1]),
1); // 16 16bit values
base_inc256 = _mm256_setr_epi16(base, base + 1, base + 2, base + 3,
base + 4, base + 5, base + 6, base + 7,
base + 8, base + 9, base + 10, base + 11,
base + 12, base + 13, base + 14, base + 15);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
dstvec[r] = _mm256_blendv_epi8(a_mbase_x, res1, mask256);
x += dx;
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_z1_16xN_internal_avx2(
int N, __m256i *dstvec, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
// here upsample_above is 0 by design of av1_use_intra_edge_upsample
(void)upsample_above;
const int frac_bits = 6;
const int max_base_x = ((16 + N) - 1 + (mrl_index << 1));
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a32, a16, c3f;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dstvec[i] = a_mbase_x; // save 16 values
}
return;
}
__m256i shift =
_mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
a0 = _mm256_loadu_si256((__m256i *)(above + base));
a1 = _mm256_loadu_si256((__m256i *)(above + base + 1));
diff = _mm256_sub_epi16(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5); // 16 16bit values
base_inc256 = _mm256_setr_epi16(base, base + 1, base + 2, base + 3,
base + 4, base + 5, base + 6, base + 7,
base + 8, base + 9, base + 10, base + 11,
base + 12, base + 13, base + 14, base + 15);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
dstvec[r] = _mm256_blendv_epi8(a_mbase_x, res, mask256);
x += dx;
}
}
static void highbd_dr_prediction_z1_16xN_avx2(int N, uint16_t *dst,
ptrdiff_t stride,
const uint16_t *above,
int upsample_above, int dx,
int bd, int mrl_index) {
__m256i dstvec[64];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(N, dstvec, above, upsample_above,
dx, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(
N, dstvec, above, upsample_above, dx, mrl_index);
}
for (int i = 0; i < N; i++) {
_mm256_storeu_si256((__m256i *)(dst + stride * i), dstvec[i]);
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_32bit_z1_32xN_internal_avx2(
int N, __m256i *dstvec, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
// here upsample_above is 0 by design of av1_use_intra_edge_upsample
(void)upsample_above;
const int frac_bits = 6;
const int max_base_x = ((32 + N) - 1 + (mrl_index << 1));
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a0_1, a1, a1_1, a32, a16, c3f;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi32(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res[2], res1;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dstvec[i] = a_mbase_x; // save 32 values
dstvec[i + N] = a_mbase_x;
}
return;
}
__m256i shift =
_mm256_srli_epi32(_mm256_and_si256(_mm256_set1_epi32(x), c3f), 1);
for (int j = 0; j < 32; j += 16) {
int mdif = max_base_x - (base + j);
if (mdif <= 0) {
res1 = a_mbase_x;
} else {
a0 = _mm256_cvtepu16_epi32(
_mm_loadu_si128((__m128i *)(above + base + j)));
a1 = _mm256_cvtepu16_epi32(
_mm_loadu_si128((__m128i *)(above + base + 1 + j)));
diff = _mm256_sub_epi32(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res[0] = _mm256_add_epi32(a32, b);
res[0] = _mm256_srli_epi32(res[0], 5);
res[0] = _mm256_packus_epi32(
res[0],
_mm256_castsi128_si256(_mm256_extracti128_si256(res[0], 1)));
if (mdif > 8) {
a0_1 = _mm256_cvtepu16_epi32(
_mm_loadu_si128((__m128i *)(above + base + 8 + j)));
a1_1 = _mm256_cvtepu16_epi32(
_mm_loadu_si128((__m128i *)(above + base + 9 + j)));
diff = _mm256_sub_epi32(a1_1, a0_1); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_1, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res[1] = _mm256_add_epi32(a32, b);
res[1] = _mm256_srli_epi32(res[1], 5);
res[1] = _mm256_packus_epi32(
res[1],
_mm256_castsi128_si256(_mm256_extracti128_si256(res[1], 1)));
} else {
res[1] = a_mbase_x;
}
res1 = _mm256_inserti128_si256(res[0], _mm256_castsi256_si128(res[1]),
1); // 16 16bit values
base_inc256 = _mm256_setr_epi16(
base + j, base + j + 1, base + j + 2, base + j + 3, base + j + 4,
base + j + 5, base + j + 6, base + j + 7, base + j + 8,
base + j + 9, base + j + 10, base + j + 11, base + j + 12,
base + j + 13, base + j + 14, base + j + 15);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
res1 = _mm256_blendv_epi8(a_mbase_x, res1, mask256);
}
if (!j) {
dstvec[r] = res1;
} else {
dstvec[r + N] = res1;
}
}
x += dx;
}
}
static AOM_FORCE_INLINE void highbd_dr_prediction_z1_32xN_internal_avx2(
int N, __m256i *dstvec, const uint16_t *above, int upsample_above, int dx,
int mrl_index) {
// here upsample_above is 0 by design of av1_use_intra_edge_upsample
(void)upsample_above;
const int frac_bits = 6;
const int max_base_x = ((32 + N) - 1 + (mrl_index << 1));
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a32, a16, c3f;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
dstvec[i] = a_mbase_x; // save 32 values
dstvec[i + N] = a_mbase_x;
}
return;
}
__m256i shift =
_mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
for (int j = 0; j < 32; j += 16) {
int mdif = max_base_x - (base + j);
if (mdif <= 0) {
res = a_mbase_x;
} else {
a0 = _mm256_loadu_si256((__m256i *)(above + base + j));
a1 = _mm256_loadu_si256((__m256i *)(above + base + 1 + j));
diff = _mm256_sub_epi16(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5);
base_inc256 = _mm256_setr_epi16(
base + j, base + j + 1, base + j + 2, base + j + 3, base + j + 4,
base + j + 5, base + j + 6, base + j + 7, base + j + 8,
base + j + 9, base + j + 10, base + j + 11, base + j + 12,
base + j + 13, base + j + 14, base + j + 15);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
res = _mm256_blendv_epi8(a_mbase_x, res, mask256);
}
if (!j) {
dstvec[r] = res;
} else {
dstvec[r + N] = res;
}
}
x += dx;
}
}
static void highbd_dr_prediction_z1_32xN_avx2(int N, uint16_t *dst,
ptrdiff_t stride,
const uint16_t *above,
int upsample_above, int dx,
int bd, int mrl_index) {
__m256i dstvec[128];
if (bd < 12) {
highbd_dr_prediction_z1_32xN_internal_avx2(N, dstvec, above, upsample_above,
dx, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_32xN_internal_avx2(
N, dstvec, above, upsample_above, dx, mrl_index);
}
for (int i = 0; i < N; i++) {
_mm256_storeu_si256((__m256i *)(dst + stride * i), dstvec[i]);
_mm256_storeu_si256((__m256i *)(dst + stride * i + 16), dstvec[i + N]);
}
}
static void highbd_dr_prediction_32bit_z1_64xN_avx2(int N, uint16_t *dst,
ptrdiff_t stride,
const uint16_t *above,
int upsample_above, int dx,
int mrl_index) {
// here upsample_above is 0 by design of av1_use_intra_edge_upsample
(void)upsample_above;
const int frac_bits = 6;
const int max_base_x = ((64 + N) - 1 + (mrl_index << 1));
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a0_1, a1, a1_1, a32, a16;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi32(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++, dst += stride) {
__m256i b, res[2], res1;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
_mm256_storeu_si256((__m256i *)dst, a_mbase_x); // save 32 values
_mm256_storeu_si256((__m256i *)(dst + 16), a_mbase_x);
_mm256_storeu_si256((__m256i *)(dst + 32), a_mbase_x);
_mm256_storeu_si256((__m256i *)(dst + 48), a_mbase_x);
dst += stride;
}
return;
}
__m256i shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_set1_epi32(x), _mm256_set1_epi32(0x3f)), 1);
__m128i a0_128, a0_1_128, a1_128, a1_1_128;
for (int j = 0; j < 64; j += 16) {
int mdif = max_base_x - (base + j);
if (mdif <= 0) {
_mm256_storeu_si256((__m256i *)(dst + j), a_mbase_x);
} else {
a0_128 = _mm_loadu_si128((__m128i *)(above + base + j));
a1_128 = _mm_loadu_si128((__m128i *)(above + base + 1 + j));
a0 = _mm256_cvtepu16_epi32(a0_128);
a1 = _mm256_cvtepu16_epi32(a1_128);
diff = _mm256_sub_epi32(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res[0] = _mm256_add_epi32(a32, b);
res[0] = _mm256_srli_epi32(res[0], 5);
res[0] = _mm256_packus_epi32(
res[0],
_mm256_castsi128_si256(_mm256_extracti128_si256(res[0], 1)));
if (mdif > 8) {
a0_1_128 = _mm_loadu_si128((__m128i *)(above + base + 8 + j));
a1_1_128 = _mm_loadu_si128((__m128i *)(above + base + 9 + j));
a0_1 = _mm256_cvtepu16_epi32(a0_1_128);
a1_1 = _mm256_cvtepu16_epi32(a1_1_128);
diff = _mm256_sub_epi32(a1_1, a0_1); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_1, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res[1] = _mm256_add_epi32(a32, b);
res[1] = _mm256_srli_epi32(res[1], 5);
res[1] = _mm256_packus_epi32(
res[1],
_mm256_castsi128_si256(_mm256_extracti128_si256(res[1], 1)));
} else {
res[1] = a_mbase_x;
}
res1 = _mm256_inserti128_si256(res[0], _mm256_castsi256_si128(res[1]),
1); // 16 16bit values
base_inc256 = _mm256_setr_epi16(
base + j, base + j + 1, base + j + 2, base + j + 3, base + j + 4,
base + j + 5, base + j + 6, base + j + 7, base + j + 8,
base + j + 9, base + j + 10, base + j + 11, base + j + 12,
base + j + 13, base + j + 14, base + j + 15);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
res1 = _mm256_blendv_epi8(a_mbase_x, res1, mask256);
_mm256_storeu_si256((__m256i *)(dst + j), res1);
}
}
x += dx;
}
}
static void highbd_dr_prediction_z1_64xN_avx2(int N, uint16_t *dst,
ptrdiff_t stride,
const uint16_t *above,
int upsample_above, int dx,
int mrl_index) {
// here upsample_above is 0 by design of av1_use_intra_edge_upsample
(void)upsample_above;
const int frac_bits = 6;
const int max_base_x = ((64 + N) - 1 + (mrl_index << 1));
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0, a1, a32, a16, c3f;
__m256i a_mbase_x, diff, max_base_x256, base_inc256, mask256;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm256_set1_epi16(above[max_base_x]);
max_base_x256 = _mm256_set1_epi16(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx * (1 + mrl_index);
for (int r = 0; r < N; r++, dst += stride) {
__m256i b, res;
int base = x >> frac_bits;
if (base >= max_base_x) {
for (int i = r; i < N; ++i) {
_mm256_storeu_si256((__m256i *)dst, a_mbase_x); // save 32 values
_mm256_storeu_si256((__m256i *)(dst + 16), a_mbase_x);
_mm256_storeu_si256((__m256i *)(dst + 32), a_mbase_x);
_mm256_storeu_si256((__m256i *)(dst + 48), a_mbase_x);
dst += stride;
}
return;
}
__m256i shift =
_mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
for (int j = 0; j < 64; j += 16) {
int mdif = max_base_x - (base + j);
if (mdif <= 0) {
_mm256_storeu_si256((__m256i *)(dst + j), a_mbase_x);
} else {
a0 = _mm256_loadu_si256((__m256i *)(above + base + j));
a1 = _mm256_loadu_si256((__m256i *)(above + base + 1 + j));
diff = _mm256_sub_epi16(a1, a0); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5);
base_inc256 = _mm256_setr_epi16(
base + j, base + j + 1, base + j + 2, base + j + 3, base + j + 4,
base + j + 5, base + j + 6, base + j + 7, base + j + 8,
base + j + 9, base + j + 10, base + j + 11, base + j + 12,
base + j + 13, base + j + 14, base + j + 15);
mask256 = _mm256_cmpgt_epi16(max_base_x256, base_inc256);
res = _mm256_blendv_epi8(a_mbase_x, res, mask256);
_mm256_storeu_si256((__m256i *)(dst + j), res); // 16 16bit values
}
}
x += dx;
}
}
// Directional prediction, zone 1: 0 < angle < 90
void av1_highbd_dr_prediction_z1_avx2(uint16_t *dst, ptrdiff_t stride, int bw,
int bh, const uint16_t *above,
const uint16_t *left, int upsample_above,
int dx, int dy, int bd, int mrl_index) {
(void)left;
(void)dy;
switch (bw) {
case 4:
highbd_dr_prediction_z1_4xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd, mrl_index);
break;
case 8:
highbd_dr_prediction_z1_8xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd, mrl_index);
break;
case 16:
highbd_dr_prediction_z1_16xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd, mrl_index);
break;
case 32:
highbd_dr_prediction_z1_32xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd, mrl_index);
break;
case 64:
if (bd < 12) {
highbd_dr_prediction_z1_64xN_avx2(bh, dst, stride, above,
upsample_above, dx, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_64xN_avx2(bh, dst, stride, above,
upsample_above, dx, mrl_index);
}
break;
default: break;
}
return;
}
static void highbd_transpose_TX_16X16(const uint16_t *src, ptrdiff_t pitchSrc,
uint16_t *dst, ptrdiff_t pitchDst) {
__m256i r[16];
__m256i d[16];
for (int j = 0; j < 16; j++) {
r[j] = _mm256_loadu_si256((__m256i *)(src + j * pitchSrc));
}
highbd_transpose16x16_avx2(r, d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + j * pitchDst), d[j]);
}
}
static void highbd_transpose(const uint16_t *src, ptrdiff_t pitchSrc,
uint16_t *dst, ptrdiff_t pitchDst, int width,
int height) {
for (int j = 0; j < height; j += 16)
for (int i = 0; i < width; i += 16)
highbd_transpose_TX_16X16(src + i * pitchSrc + j, pitchSrc,
dst + j * pitchDst + i, pitchDst);
}
static void highbd_dr_prediction_32bit_z2_Nx4_avx2(
int N, uint16_t *dst, ptrdiff_t stride, const uint16_t *above,
const uint16_t *left, int upsample_above, int upsample_left, int dx, int dy,
int mrl_index) {
const int min_base_x = -((1 + mrl_index) << upsample_above);
const int min_base_y = -((1 + mrl_index) << upsample_left);
const int frac_bits_x = 6 - upsample_above;
const int frac_bits_y = 6 - upsample_left;
assert(dx > 0);
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0_x, a1_x, a32, a16;
__m256i diff;
__m128i c3f, min_base_y128;
a16 = _mm256_set1_epi32(16);
c3f = _mm_set1_epi32(0x3f);
min_base_y128 = _mm_set1_epi32(min_base_y);
__m128i cmrlIdx = _mm_set1_epi32(mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy;
__m128i a0_x128, a1_x128;
int y = r + 1;
int base_x = (-(y + mrl_index) * dx) >> frac_bits_x;
int base_shift = 0;
if (base_x < (min_base_x - 1)) {
base_shift = (min_base_x - base_x - 1) >> upsample_above;
}
int base_min_diff =
(min_base_x - base_x + upsample_above) >> upsample_above;
if (base_min_diff > 4) {
base_min_diff = 4;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift > 3) {
a0_x = _mm256_setzero_si256();
a1_x = _mm256_setzero_si256();
shift = _mm256_setzero_si256();
} else {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
if (upsample_above) {
a0_x128 = _mm_shuffle_epi8(a0_x128,
*(__m128i *)HighbdEvenOddMaskx4[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 8);
shift = _mm256_castsi128_si256(_mm_srli_epi32(
_mm_and_si128(
_mm_slli_epi32(_mm_setr_epi32(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx),
upsample_above),
c3f),
1));
} else {
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 2);
shift = _mm256_castsi128_si256(_mm_srli_epi32(
_mm_and_si128(_mm_setr_epi32(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx),
c3f),
1));
}
a0_x = _mm256_cvtepu16_epi32(a0_x128);
a1_x = _mm256_cvtepu16_epi32(a1_x128);
}
// y calc
__m128i a0_y, a1_y, shifty;
if (base_x < min_base_x) {
__m128i r6, c1234, dy128, y_c128, base_y_c128, mask128;
DECLARE_ALIGNED(32, int, base_y_c[4]);
r6 = _mm_set1_epi32(r << 6);
dy128 = _mm_set1_epi32(dy);
c1234 = _mm_setr_epi32(1, 2, 3, 4);
__m128i c1234_ = _mm_add_epi32(c1234, cmrlIdx);
y_c128 = _mm_sub_epi32(r6, _mm_mullo_epi32(c1234_, dy128));
base_y_c128 = _mm_srai_epi32(y_c128, frac_bits_y);
mask128 = _mm_cmpgt_epi32(min_base_y128, base_y_c128);
base_y_c128 = _mm_andnot_si128(mask128, base_y_c128);
_mm_store_si128((__m128i *)base_y_c, base_y_c128);
a0_y = _mm_setr_epi32(left[base_y_c[0]], left[base_y_c[1]],
left[base_y_c[2]], left[base_y_c[3]]);
a1_y = _mm_setr_epi32(left[base_y_c[0] + 1], left[base_y_c[1] + 1],
left[base_y_c[2] + 1], left[base_y_c[3] + 1]);
if (upsample_left) {
shifty = _mm_srli_epi32(
_mm_and_si128(_mm_slli_epi32(y_c128, upsample_left), c3f), 1);
} else {
shifty = _mm_srli_epi32(_mm_and_si128(y_c128, c3f), 1);
}
a0_x = _mm256_inserti128_si256(a0_x, a0_y, 1);
a1_x = _mm256_inserti128_si256(a1_x, a1_y, 1);
shift = _mm256_inserti128_si256(shift, shifty, 1);
}
diff = _mm256_sub_epi32(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_x, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
resx = _mm256_castsi256_si128(res);
resx = _mm_packus_epi32(resx, resx);
resy = _mm256_extracti128_si256(res, 1);
resy = _mm_packus_epi32(resy, resy);
resxy =
_mm_blendv_epi8(resx, resy, *(__m128i *)HighbdBaseMask[base_min_diff]);
_mm_storel_epi64((__m128i *)(dst), resxy);
dst += stride;
}
}
static void highbd_dr_prediction_z2_Nx4_avx2(
int N, uint16_t *dst, ptrdiff_t stride, const uint16_t *above,
const uint16_t *left, int upsample_above, int upsample_left, int dx, int dy,
int mrl_index) {
const int min_base_x = -((1 + mrl_index) << upsample_above);
const int min_base_y = -((1 + mrl_index) << upsample_left);
const int frac_bits_x = 6 - upsample_above;
const int frac_bits_y = 6 - upsample_left;
assert(dx > 0);
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0_x, a1_x, a32, a16;
__m256i diff;
__m128i c3f, min_base_y128;
a16 = _mm256_set1_epi16(16);
c3f = _mm_set1_epi16(0x3f);
min_base_y128 = _mm_set1_epi16(min_base_y);
__m128i cmrlIdx = _mm_set1_epi16(mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy;
__m128i a0_x128, a1_x128;
int y = r + 1;
int base_x = (-(y + mrl_index) * dx) >> frac_bits_x;
int base_shift = 0;
if (base_x < (min_base_x - 1)) {
base_shift = (min_base_x - base_x - 1) >> upsample_above;
}
int base_min_diff =
(min_base_x - base_x + upsample_above) >> upsample_above;
if (base_min_diff > 4) {
base_min_diff = 4;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift > 3) {
a0_x = _mm256_setzero_si256();
a1_x = _mm256_setzero_si256();
shift = _mm256_setzero_si256();
} else {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
if (upsample_above) {
a0_x128 = _mm_shuffle_epi8(a0_x128,
*(__m128i *)HighbdEvenOddMaskx4[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 8);
shift = _mm256_castsi128_si256(_mm_srli_epi16(
_mm_and_si128(
_mm_slli_epi16(
_mm_setr_epi16(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx, 0, 0, 0, 0),
upsample_above),
c3f),
1));
} else {
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 2);
shift = _mm256_castsi128_si256(_mm_srli_epi16(
_mm_and_si128(
_mm_setr_epi16(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx, 0, 0, 0, 0),
c3f),
1));
}
a0_x = _mm256_castsi128_si256(a0_x128);
a1_x = _mm256_castsi128_si256(a1_x128);
}
// y calc
__m128i a0_y, a1_y, shifty;
if (base_x < min_base_x) {
__m128i r6, c1234, dy128, y_c128, base_y_c128, mask128;
DECLARE_ALIGNED(32, int16_t, base_y_c[8]);
r6 = _mm_set1_epi16(r << 6);
dy128 = _mm_set1_epi16(dy);
c1234 = _mm_setr_epi16(1, 2, 3, 4, 0, 0, 0, 0);
__m128i c1234_ = _mm_add_epi16(c1234, cmrlIdx);
y_c128 = _mm_sub_epi16(r6, _mm_mullo_epi16(c1234_, dy128));
base_y_c128 = _mm_srai_epi16(y_c128, frac_bits_y);
mask128 = _mm_cmpgt_epi16(min_base_y128, base_y_c128);
base_y_c128 = _mm_andnot_si128(mask128, base_y_c128);
_mm_store_si128((__m128i *)base_y_c, base_y_c128);
a0_y = _mm_setr_epi16(left[base_y_c[0]], left[base_y_c[1]],
left[base_y_c[2]], left[base_y_c[3]], 0, 0, 0, 0);
a1_y = _mm_setr_epi16(left[base_y_c[0] + 1], left[base_y_c[1] + 1],
left[base_y_c[2] + 1], left[base_y_c[3] + 1], 0, 0,
0, 0);
if (upsample_left) {
shifty = _mm_srli_epi16(
_mm_and_si128(_mm_slli_epi16(y_c128, upsample_left), c3f), 1);
} else {
shifty = _mm_srli_epi16(_mm_and_si128(y_c128, c3f), 1);
}
a0_x = _mm256_inserti128_si256(a0_x, a0_y, 1);
a1_x = _mm256_inserti128_si256(a1_x, a1_y, 1);
shift = _mm256_inserti128_si256(shift, shifty, 1);
}
diff = _mm256_sub_epi16(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0_x, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5);
resx = _mm256_castsi256_si128(res);
resy = _mm256_extracti128_si256(res, 1);
resxy =
_mm_blendv_epi8(resx, resy, *(__m128i *)HighbdBaseMask[base_min_diff]);
_mm_storel_epi64((__m128i *)(dst), resxy);
dst += stride;
}
}
static void highbd_dr_prediction_32bit_z2_Nx8_avx2(
int N, uint16_t *dst, ptrdiff_t stride, const uint16_t *above,
const uint16_t *left, int upsample_above, int upsample_left, int dx, int dy,
int mrl_index) {
const int min_base_x = -((1 + mrl_index) << upsample_above);
const int min_base_y = -((1 + mrl_index) << upsample_left);
const int frac_bits_x = 6 - upsample_above;
const int frac_bits_y = 6 - upsample_left;
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0_x, a1_x, a0_y, a1_y, a32, a16, c3f, min_base_y256;
__m256i diff;
__m128i a0_x128, a1_x128;
a16 = _mm256_set1_epi32(16);
c3f = _mm256_set1_epi32(0x3f);
min_base_y256 = _mm256_set1_epi32(min_base_y);
__m256i cmrlIdx = _mm256_set1_epi32(mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy;
int y = r + 1;
int base_x = (-(y + mrl_index) * dx) >> frac_bits_x;
int base_shift = 0;
if (base_x < (min_base_x - 1)) {
base_shift = (min_base_x - base_x - 1) >> upsample_above;
}
int base_min_diff =
(min_base_x - base_x + upsample_above) >> upsample_above;
if (base_min_diff > 8) {
base_min_diff = 8;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift > 7) {
resx = _mm_setzero_si128();
} else {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
if (upsample_above) {
__m128i mask, atmp0, atmp1, atmp2, atmp3;
a1_x128 = _mm_loadu_si128((__m128i *)(above + base_x + 8 + base_shift));
atmp0 = _mm_shuffle_epi8(a0_x128,
*(__m128i *)HighbdEvenOddMaskx[base_shift]);
atmp1 = _mm_shuffle_epi8(a1_x128,
*(__m128i *)HighbdEvenOddMaskx[base_shift]);
atmp2 = _mm_shuffle_epi8(
a0_x128, *(__m128i *)(HighbdEvenOddMaskx[base_shift] + 16));
atmp3 = _mm_shuffle_epi8(
a1_x128, *(__m128i *)(HighbdEvenOddMaskx[base_shift] + 16));
mask = _mm_cmpgt_epi8(*(__m128i *)HighbdEvenOddMaskx[base_shift],
_mm_set1_epi8(15));
a0_x128 = _mm_blendv_epi8(atmp0, atmp1, mask);
mask = _mm_cmpgt_epi8(*(__m128i *)(HighbdEvenOddMaskx[base_shift] + 16),
_mm_set1_epi8(15));
a1_x128 = _mm_blendv_epi8(atmp2, atmp3, mask);
shift = _mm256_srli_epi32(
_mm256_and_si256(
_mm256_slli_epi32(
_mm256_setr_epi32(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx,
(4 << 6) - (y + mrl_index) * dx,
(5 << 6) - (y + mrl_index) * dx,
(6 << 6) - (y + mrl_index) * dx,
(7 << 6) - (y + mrl_index) * dx),
upsample_above),
c3f),
1);
} else {
a1_x128 = _mm_loadu_si128((__m128i *)(above + base_x + 1 + base_shift));
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a1_x128 =
_mm_shuffle_epi8(a1_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_setr_epi32(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx,
(4 << 6) - (y + mrl_index) * dx,
(5 << 6) - (y + mrl_index) * dx,
(6 << 6) - (y + mrl_index) * dx,
(7 << 6) - (y + mrl_index) * dx),
c3f),
1);
}
a0_x = _mm256_cvtepu16_epi32(a0_x128);
a1_x = _mm256_cvtepu16_epi32(a1_x128);
diff = _mm256_sub_epi32(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_x, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
resx = _mm256_castsi256_si128(_mm256_packus_epi32(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1))));
}
// y calc
if (base_x < min_base_x) {
DECLARE_ALIGNED(32, int, base_y_c[8]);
__m256i r6, c256, dy256, y_c256, base_y_c256, mask256;
r6 = _mm256_set1_epi32(r << 6);
dy256 = _mm256_set1_epi32(dy);
c256 = _mm256_setr_epi32(1, 2, 3, 4, 5, 6, 7, 8);
__m256i c256_ = _mm256_add_epi32(c256, cmrlIdx);
y_c256 = _mm256_sub_epi32(r6, _mm256_mullo_epi32(c256_, dy256));
base_y_c256 = _mm256_srai_epi32(y_c256, frac_bits_y);
mask256 = _mm256_cmpgt_epi32(min_base_y256, base_y_c256);
base_y_c256 = _mm256_andnot_si256(mask256, base_y_c256);
_mm256_store_si256((__m256i *)base_y_c, base_y_c256);
a0_y = _mm256_cvtepu16_epi32(_mm_setr_epi16(
left[base_y_c[0]], left[base_y_c[1]], left[base_y_c[2]],
left[base_y_c[3]], left[base_y_c[4]], left[base_y_c[5]],
left[base_y_c[6]], left[base_y_c[7]]));
a1_y = _mm256_cvtepu16_epi32(_mm_setr_epi16(
left[base_y_c[0] + 1], left[base_y_c[1] + 1], left[base_y_c[2] + 1],
left[base_y_c[3] + 1], left[base_y_c[4] + 1], left[base_y_c[5] + 1],
left[base_y_c[6] + 1], left[base_y_c[7] + 1]));
if (upsample_left) {
shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_slli_epi32((y_c256), upsample_left), c3f),
1);
} else {
shift = _mm256_srli_epi32(_mm256_and_si256(y_c256, c3f), 1);
}
diff = _mm256_sub_epi32(a1_y, a0_y); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_y, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
resy = _mm256_castsi256_si128(_mm256_packus_epi32(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1))));
} else {
resy = resx;
}
resxy =
_mm_blendv_epi8(resx, resy, *(__m128i *)HighbdBaseMask[base_min_diff]);
_mm_storeu_si128((__m128i *)(dst), resxy);
dst += stride;
}
}
static void highbd_dr_prediction_z2_Nx8_avx2(
int N, uint16_t *dst, ptrdiff_t stride, const uint16_t *above,
const uint16_t *left, int upsample_above, int upsample_left, int dx, int dy,
int mrl_index) {
const int min_base_x = -((1 + mrl_index) << upsample_above);
const int min_base_y = -((1 + mrl_index) << upsample_left);
const int frac_bits_x = 6 - upsample_above;
const int frac_bits_y = 6 - upsample_left;
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m128i c3f, min_base_y128;
__m256i a0_x, a1_x, diff, a32, a16;
__m128i a0_x128, a1_x128;
a16 = _mm256_set1_epi16(16);
c3f = _mm_set1_epi16(0x3f);
min_base_y128 = _mm_set1_epi16(min_base_y);
__m128i cmrlIdx = _mm_set1_epi16(mrl_index);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy;
int y = r + 1;
int base_x = (-(y + mrl_index) * dx) >> frac_bits_x;
int base_shift = 0;
if (base_x < (min_base_x - 1)) {
base_shift = (min_base_x - base_x - 1) >> upsample_above;
}
int base_min_diff =
(min_base_x - base_x + upsample_above) >> upsample_above;
if (base_min_diff > 8) {
base_min_diff = 8;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift > 7) {
a0_x = _mm256_setzero_si256();
a1_x = _mm256_setzero_si256();
shift = _mm256_setzero_si256();
} else {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
if (upsample_above) {
__m128i mask, atmp0, atmp1, atmp2, atmp3;
a1_x128 = _mm_loadu_si128((__m128i *)(above + base_x + 8 + base_shift));
atmp0 = _mm_shuffle_epi8(a0_x128,
*(__m128i *)HighbdEvenOddMaskx[base_shift]);
atmp1 = _mm_shuffle_epi8(a1_x128,
*(__m128i *)HighbdEvenOddMaskx[base_shift]);
atmp2 = _mm_shuffle_epi8(
a0_x128, *(__m128i *)(HighbdEvenOddMaskx[base_shift] + 16));
atmp3 = _mm_shuffle_epi8(
a1_x128, *(__m128i *)(HighbdEvenOddMaskx[base_shift] + 16));
mask = _mm_cmpgt_epi8(*(__m128i *)HighbdEvenOddMaskx[base_shift],
_mm_set1_epi8(15));
a0_x128 = _mm_blendv_epi8(atmp0, atmp1, mask);
mask = _mm_cmpgt_epi8(*(__m128i *)(HighbdEvenOddMaskx[base_shift] + 16),
_mm_set1_epi8(15));
a1_x128 = _mm_blendv_epi8(atmp2, atmp3, mask);
shift = _mm256_castsi128_si256(_mm_srli_epi16(
_mm_and_si128(
_mm_slli_epi16(_mm_setr_epi16(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx,
(4 << 6) - (y + mrl_index) * dx,
(5 << 6) - (y + mrl_index) * dx,
(6 << 6) - (y + mrl_index) * dx,
(7 << 6) - (y + mrl_index) * dx),
upsample_above),
c3f),
1));
} else {
a1_x128 = _mm_loadu_si128((__m128i *)(above + base_x + 1 + base_shift));
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a1_x128 =
_mm_shuffle_epi8(a1_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
shift = _mm256_castsi128_si256(_mm_srli_epi16(
_mm_and_si128(_mm_setr_epi16(-(y + mrl_index) * dx,
(1 << 6) - (y + mrl_index) * dx,
(2 << 6) - (y + mrl_index) * dx,
(3 << 6) - (y + mrl_index) * dx,
(4 << 6) - (y + mrl_index) * dx,
(5 << 6) - (y + mrl_index) * dx,
(6 << 6) - (y + mrl_index) * dx,
(7 << 6) - (y + mrl_index) * dx),
c3f),
1));
}
a0_x = _mm256_castsi128_si256(a0_x128);
a1_x = _mm256_castsi128_si256(a1_x128);
}
// y calc
__m128i a0_y, a1_y, shifty;
if (base_x < min_base_x) {
DECLARE_ALIGNED(32, int16_t, base_y_c[8]);
__m128i r6, c1234, dy128, y_c128, base_y_c128, mask128;
r6 = _mm_set1_epi16(r << 6);
dy128 = _mm_set1_epi16(dy);
c1234 = _mm_setr_epi16(1, 2, 3, 4, 5, 6, 7, 8);
__m128i c1234_ = _mm_add_epi16(c1234, cmrlIdx);
y_c128 = _mm_sub_epi16(r6, _mm_mullo_epi16(c1234_, dy128));
base_y_c128 = _mm_srai_epi16(y_c128, frac_bits_y);
mask128 = _mm_cmpgt_epi16(min_base_y128, base_y_c128);
base_y_c128 = _mm_andnot_si128(mask128, base_y_c128);
_mm_store_si128((__m128i *)base_y_c, base_y_c128);
a0_y = _mm_setr_epi16(left[base_y_c[0]], left[base_y_c[1]],
left[base_y_c[2]], left[base_y_c[3]],
left[base_y_c[4]], left[base_y_c[5]],
left[base_y_c[6]], left[base_y_c[7]]);
a1_y = _mm_setr_epi16(left[base_y_c[0] + 1], left[base_y_c[1] + 1],
left[base_y_c[2] + 1], left[base_y_c[3] + 1],
left[base_y_c[4] + 1], left[base_y_c[5] + 1],
left[base_y_c[6] + 1], left[base_y_c[7] + 1]);
if (upsample_left) {
shifty = _mm_srli_epi16(
_mm_and_si128(_mm_slli_epi16((y_c128), upsample_left), c3f), 1);
} else {
shifty = _mm_srli_epi16(_mm_and_si128(y_c128, c3f), 1);
}
a0_x = _mm256_inserti128_si256(a0_x, a0_y, 1);
a1_x = _mm256_inserti128_si256(a1_x, a1_y, 1);
shift = _mm256_inserti128_si256(shift, shifty, 1);
}
diff = _mm256_sub_epi16(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0_x, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
res = _mm256_srli_epi16(res, 5);
resx = _mm256_castsi256_si128(res);
resy = _mm256_extracti128_si256(res, 1);
resxy =
_mm_blendv_epi8(resx, resy, *(__m128i *)HighbdBaseMask[base_min_diff]);
_mm_storeu_si128((__m128i *)(dst), resxy);
dst += stride;
}
}
static void highbd_dr_prediction_32bit_z2_HxW_avx2(
int H, int W, uint16_t *dst, ptrdiff_t stride, const uint16_t *above,
const uint16_t *left, int upsample_above, int upsample_left, int dx, int dy,
int mrl_index) {
// here upsample_above and upsample_left are 0 by design of
// av1_use_intra_edge_upsample
const int min_base_x = -(1 + mrl_index);
const int min_base_y = -(1 + mrl_index);
(void)upsample_above;
(void)upsample_left;
const int frac_bits_x = 6;
const int frac_bits_y = 6;
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0_x, a1_x, a0_y, a1_y, a32, a0_1_x, a1_1_x, a16, c1;
__m256i diff, min_base_y256, c3f, dy256, c1234, c0123, c8;
__m128i a0_x128, a1_x128, a0_1_x128, a1_1_x128;
DECLARE_ALIGNED(32, int, base_y_c[16]);
a16 = _mm256_set1_epi32(16);
c1 = _mm256_srli_epi32(a16, 4);
c8 = _mm256_srli_epi32(a16, 1);
min_base_y256 = _mm256_set1_epi32(min_base_y);
c3f = _mm256_set1_epi32(0x3f);
dy256 = _mm256_set1_epi32(dy);
c0123 = _mm256_setr_epi32(0, 1, 2, 3, 4, 5, 6, 7);
c1234 = _mm256_add_epi32(c0123, c1);
__m256i cmrlIdx = _mm256_set1_epi32(mrl_index);
for (int r = 0; r < H; r++) {
__m256i b, res, shift, ydx;
__m256i resx[2], resy[2];
__m256i resxy, j256, r6;
for (int j = 0; j < W; j += 16) {
j256 = _mm256_set1_epi32(j);
int y = r + 1;
ydx = _mm256_set1_epi32((y + mrl_index) * dx);
int base_x = ((j << 6) - (y + mrl_index) * dx) >> frac_bits_x;
int base_shift = 0;
if ((base_x) < (min_base_x - 1)) {
base_shift = (min_base_x - base_x - 1);
}
int base_min_diff = (min_base_x - base_x);
if (base_min_diff > 16) {
base_min_diff = 16;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift > 7) {
resx[0] = _mm256_setzero_si256();
} else {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
a1_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift + 1));
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a1_x128 =
_mm_shuffle_epi8(a1_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a0_x = _mm256_cvtepu16_epi32(a0_x128);
a1_x = _mm256_cvtepu16_epi32(a1_x128);
r6 = _mm256_slli_epi32(_mm256_add_epi32(c0123, j256), 6);
shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_sub_epi32(r6, ydx), c3f), 1);
diff = _mm256_sub_epi32(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_x, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
resx[0] = _mm256_packus_epi32(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1)));
}
int base_shift8 = 0;
if ((base_x + 8) < (min_base_x - 1)) {
base_shift8 = (min_base_x - (base_x + 8) - 1);
}
if (base_shift8 > 7) {
resx[1] = _mm256_setzero_si256();
} else {
a0_1_x128 =
_mm_loadu_si128((__m128i *)(above + base_x + base_shift8 + 8));
a1_1_x128 =
_mm_loadu_si128((__m128i *)(above + base_x + base_shift8 + 9));
a0_1_x128 = _mm_shuffle_epi8(a0_1_x128,
*(__m128i *)HighbdLoadMaskx[base_shift8]);
a1_1_x128 = _mm_shuffle_epi8(a1_1_x128,
*(__m128i *)HighbdLoadMaskx[base_shift8]);
a0_1_x = _mm256_cvtepu16_epi32(a0_1_x128);
a1_1_x = _mm256_cvtepu16_epi32(a1_1_x128);
r6 = _mm256_slli_epi32(
_mm256_add_epi32(c0123, _mm256_add_epi32(j256, c8)), 6);
shift = _mm256_srli_epi32(
_mm256_and_si256(_mm256_sub_epi32(r6, ydx), c3f), 1);
diff = _mm256_sub_epi32(a1_1_x, a0_1_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_1_x, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
resx[1] = _mm256_add_epi32(a32, b);
resx[1] = _mm256_srli_epi32(resx[1], 5);
resx[1] = _mm256_packus_epi32(
resx[1],
_mm256_castsi128_si256(_mm256_extracti128_si256(resx[1], 1)));
}
resx[0] =
_mm256_inserti128_si256(resx[0], _mm256_castsi256_si128(resx[1]),
1); // 16 16bit values
// y calc
resy[0] = _mm256_setzero_si256();
if ((base_x < min_base_x)) {
__m256i c256, y_c256, y_c_1_256, base_y_c256, mask256;
r6 = _mm256_set1_epi32(r << 6);
c256 = _mm256_add_epi32(j256, c1234);
__m256i c256_ = _mm256_add_epi32(c256, cmrlIdx);
y_c256 = _mm256_sub_epi32(r6, _mm256_mullo_epi32(c256_, dy256));
base_y_c256 = _mm256_srai_epi32(y_c256, frac_bits_y);
mask256 = _mm256_cmpgt_epi32(min_base_y256, base_y_c256);
base_y_c256 = _mm256_andnot_si256(mask256, base_y_c256);
_mm256_store_si256((__m256i *)base_y_c, base_y_c256);
c256 = _mm256_add_epi32(c256, c8);
y_c_1_256 = _mm256_sub_epi32(r6, _mm256_mullo_epi32(c256, dy256));
base_y_c256 = _mm256_srai_epi32(y_c_1_256, frac_bits_y);
mask256 = _mm256_cmpgt_epi32(min_base_y256, base_y_c256);
base_y_c256 = _mm256_andnot_si256(mask256, base_y_c256);
_mm256_store_si256((__m256i *)(base_y_c + 8), base_y_c256);
a0_y = _mm256_cvtepu16_epi32(_mm_setr_epi16(
left[base_y_c[0]], left[base_y_c[1]], left[base_y_c[2]],
left[base_y_c[3]], left[base_y_c[4]], left[base_y_c[5]],
left[base_y_c[6]], left[base_y_c[7]]));
a1_y = _mm256_cvtepu16_epi32(_mm_setr_epi16(
left[base_y_c[0] + 1], left[base_y_c[1] + 1], left[base_y_c[2] + 1],
left[base_y_c[3] + 1], left[base_y_c[4] + 1], left[base_y_c[5] + 1],
left[base_y_c[6] + 1], left[base_y_c[7] + 1]));
shift = _mm256_srli_epi32(_mm256_and_si256(y_c256, c3f), 1);
diff = _mm256_sub_epi32(a1_y, a0_y); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_y, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
resy[0] = _mm256_packus_epi32(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1)));
a0_y = _mm256_cvtepu16_epi32(_mm_setr_epi16(
left[base_y_c[8]], left[base_y_c[9]], left[base_y_c[10]],
left[base_y_c[11]], left[base_y_c[12]], left[base_y_c[13]],
left[base_y_c[14]], left[base_y_c[15]]));
a1_y = _mm256_cvtepu16_epi32(
_mm_setr_epi16(left[base_y_c[8] + 1], left[base_y_c[9] + 1],
left[base_y_c[10] + 1], left[base_y_c[11] + 1],
left[base_y_c[12] + 1], left[base_y_c[13] + 1],
left[base_y_c[14] + 1], left[base_y_c[15] + 1]));
shift = _mm256_srli_epi32(_mm256_and_si256(y_c_1_256, c3f), 1);
diff = _mm256_sub_epi32(a1_y, a0_y); // a[x+1] - a[x]
a32 = _mm256_slli_epi32(a0_y, 5); // a[x] * 32
a32 = _mm256_add_epi32(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi32(diff, shift);
res = _mm256_add_epi32(a32, b);
res = _mm256_srli_epi32(res, 5);
resy[1] = _mm256_packus_epi32(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1)));
resy[0] =
_mm256_inserti128_si256(resy[0], _mm256_castsi256_si128(resy[1]),
1); // 16 16bit values
}
resxy = _mm256_blendv_epi8(resx[0], resy[0],
*(__m256i *)HighbdBaseMask[base_min_diff]);
_mm256_storeu_si256((__m256i *)(dst + j), resxy);
} // for j
dst += stride;
}
}
static void highbd_dr_prediction_z2_HxW_avx2(
int H, int W, uint16_t *dst, ptrdiff_t stride, const uint16_t *above,
const uint16_t *left, int upsample_above, int upsample_left, int dx, int dy,
int mrl_index) {
// here upsample_above and upsample_left are 0 by design of
// av1_use_intra_edge_upsample
const int min_base_x = -(1 + mrl_index);
const int min_base_y = -(1 + mrl_index);
(void)upsample_above;
(void)upsample_left;
const int frac_bits_x = 6;
const int frac_bits_y = 6;
// pre-filter above pixels
// store in temp buffers:
// above[x] * 32 + 16
// above[x+1] - above[x]
// final pixels will be calculated as:
// (above[x] * 32 + 16 + (above[x+1] - above[x]) * shift) >> 5
__m256i a0_x, a1_x, a32, a16, c3f, c1;
__m256i diff, min_base_y256, dy256, c1234, c0123;
DECLARE_ALIGNED(32, int16_t, base_y_c[16]);
a16 = _mm256_set1_epi16(16);
c1 = _mm256_srli_epi16(a16, 4);
min_base_y256 = _mm256_set1_epi16(min_base_y);
c3f = _mm256_set1_epi16(0x3f);
dy256 = _mm256_set1_epi16(dy);
c0123 =
_mm256_setr_epi16(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
c1234 = _mm256_add_epi16(c0123, c1);
__m256i cmrlIdx = _mm256_set1_epi16(mrl_index);
for (int r = 0; r < H; r++) {
__m256i b, res, shift;
__m256i resx, resy, ydx;
__m256i resxy, j256, r6;
__m128i a0_x128, a1_x128, a0_1_x128, a1_1_x128;
int y = r + 1;
ydx = _mm256_set1_epi16((short)((y + mrl_index) * dx));
for (int j = 0; j < W; j += 16) {
j256 = _mm256_set1_epi16(j);
int base_x = ((j << 6) - (y + mrl_index) * dx) >> frac_bits_x;
int base_shift = 0;
if ((base_x) < (min_base_x - 1)) {
base_shift = (min_base_x - (base_x)-1);
}
int base_min_diff = (min_base_x - base_x);
if (base_min_diff > 16) {
base_min_diff = 16;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift < 8) {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
a1_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift + 1));
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a1_x128 =
_mm_shuffle_epi8(a1_x128, *(__m128i *)HighbdLoadMaskx[base_shift]);
a0_x = _mm256_castsi128_si256(a0_x128);
a1_x = _mm256_castsi128_si256(a1_x128);
} else {
a0_x = _mm256_setzero_si256();
a1_x = _mm256_setzero_si256();
}
int base_shift1 = 0;
if (base_shift > 8) {
base_shift1 = base_shift - 8;
}
if (base_shift1 < 8) {
a0_1_x128 =
_mm_loadu_si128((__m128i *)(above + base_x + base_shift1 + 8));
a1_1_x128 =
_mm_loadu_si128((__m128i *)(above + base_x + base_shift1 + 9));
a0_1_x128 = _mm_shuffle_epi8(a0_1_x128,
*(__m128i *)HighbdLoadMaskx[base_shift1]);
a1_1_x128 = _mm_shuffle_epi8(a1_1_x128,
*(__m128i *)HighbdLoadMaskx[base_shift1]);
a0_x = _mm256_inserti128_si256(a0_x, a0_1_x128, 1);
a1_x = _mm256_inserti128_si256(a1_x, a1_1_x128, 1);
}
r6 = _mm256_slli_epi16(_mm256_add_epi16(c0123, j256), 6);
shift = _mm256_srli_epi16(
_mm256_and_si256(_mm256_sub_epi16(r6, ydx), c3f), 1);
diff = _mm256_sub_epi16(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0_x, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shift);
res = _mm256_add_epi16(a32, b);
resx = _mm256_srli_epi16(res, 5); // 16 16-bit values
// y calc
resy = _mm256_setzero_si256();
__m256i a0_y, a1_y, shifty;
if ((base_x < min_base_x)) {
__m256i c256, y_c256, base_y_c256, mask256, mul16;
r6 = _mm256_set1_epi16(r << 6);
c256 = _mm256_add_epi16(j256, c1234);
__m256i c256_ = _mm256_add_epi16(c256, cmrlIdx);
mul16 = _mm256_min_epu16(_mm256_mullo_epi16(c256_, dy256),
_mm256_srli_epi16(min_base_y256, 1));
y_c256 = _mm256_sub_epi16(r6, mul16);
base_y_c256 = _mm256_srai_epi16(y_c256, frac_bits_y);
mask256 = _mm256_cmpgt_epi16(min_base_y256, base_y_c256);
base_y_c256 = _mm256_andnot_si256(mask256, base_y_c256);
_mm256_store_si256((__m256i *)base_y_c, base_y_c256);
a0_y = _mm256_setr_epi16(
left[base_y_c[0]], left[base_y_c[1]], left[base_y_c[2]],
left[base_y_c[3]], left[base_y_c[4]], left[base_y_c[5]],
left[base_y_c[6]], left[base_y_c[7]], left[base_y_c[8]],
left[base_y_c[9]], left[base_y_c[10]], left[base_y_c[11]],
left[base_y_c[12]], left[base_y_c[13]], left[base_y_c[14]],
left[base_y_c[15]]);
base_y_c256 = _mm256_add_epi16(base_y_c256, c1);
_mm256_store_si256((__m256i *)base_y_c, base_y_c256);
a1_y = _mm256_setr_epi16(
left[base_y_c[0]], left[base_y_c[1]], left[base_y_c[2]],
left[base_y_c[3]], left[base_y_c[4]], left[base_y_c[5]],
left[base_y_c[6]], left[base_y_c[7]], left[base_y_c[8]],
left[base_y_c[9]], left[base_y_c[10]], left[base_y_c[11]],
left[base_y_c[12]], left[base_y_c[13]], left[base_y_c[14]],
left[base_y_c[15]]);
shifty = _mm256_srli_epi16(_mm256_and_si256(y_c256, c3f), 1);
diff = _mm256_sub_epi16(a1_y, a0_y); // a[x+1] - a[x]
a32 = _mm256_slli_epi16(a0_y, 5); // a[x] * 32
a32 = _mm256_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm256_mullo_epi16(diff, shifty);
res = _mm256_add_epi16(a32, b);
resy = _mm256_srli_epi16(res, 5);
}
resxy = _mm256_blendv_epi8(resx, resy,
*(__m256i *)HighbdBaseMask[base_min_diff]);
_mm256_storeu_si256((__m256i *)(dst + j), resxy);
} // for j
dst += stride;
}
}
// Directional prediction, zone 2: 90 < angle < 180
void av1_highbd_dr_prediction_z2_avx2(uint16_t *dst, ptrdiff_t stride, int bw,
int bh, const uint16_t *above,
const uint16_t *left, int upsample_above,
int upsample_left, int dx, int dy, int bd,
int mrl_index) {
(void)bd;
assert(dx > 0);
assert(dy > 0);
switch (bw) {
case 4:
if (bd < 12) {
highbd_dr_prediction_z2_Nx4_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left, dx, dy,
mrl_index);
} else {
highbd_dr_prediction_32bit_z2_Nx4_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left,
dx, dy, mrl_index);
}
break;
case 8:
if (bd < 12) {
highbd_dr_prediction_z2_Nx8_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left, dx, dy,
mrl_index);
} else {
highbd_dr_prediction_32bit_z2_Nx8_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left,
dx, dy, mrl_index);
}
break;
default:
if (bd < 12) {
highbd_dr_prediction_z2_HxW_avx2(bh, bw, dst, stride, above, left,
upsample_above, upsample_left, dx, dy,
mrl_index);
} else {
highbd_dr_prediction_32bit_z2_HxW_avx2(bh, bw, dst, stride, above, left,
upsample_above, upsample_left,
dx, dy, mrl_index);
}
break;
}
}
// Directional prediction, zone 3 functions
static void highbd_dr_prediction_z3_4x4_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m128i dstvec[4], d[4];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(4, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(
4, dstvec, left, upsample_left, dy, mrl_index);
}
highbd_transpose4x8_8x4_low_sse2(&dstvec[0], &dstvec[1], &dstvec[2],
&dstvec[3], &d[0], &d[1], &d[2], &d[3]);
_mm_storel_epi64((__m128i *)(dst + 0 * stride), d[0]);
_mm_storel_epi64((__m128i *)(dst + 1 * stride), d[1]);
_mm_storel_epi64((__m128i *)(dst + 2 * stride), d[2]);
_mm_storel_epi64((__m128i *)(dst + 3 * stride), d[3]);
return;
}
static void highbd_dr_prediction_z3_8x8_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m128i dstvec[8], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(8, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(
8, dstvec, left, upsample_left, dy, mrl_index);
}
highbd_transpose8x8_sse2(&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3],
&dstvec[4], &dstvec[5], &dstvec[6], &dstvec[7],
&d[0], &d[1], &d[2], &d[3], &d[4], &d[5], &d[6],
&d[7]);
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride), d[i]);
}
}
static void highbd_dr_prediction_z3_4x8_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m128i dstvec[4], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(4, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(
4, dstvec, left, upsample_left, dy, mrl_index);
}
highbd_transpose4x8_8x4_sse2(&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3],
&d[0], &d[1], &d[2], &d[3], &d[4], &d[5], &d[6],
&d[7]);
for (int i = 0; i < 8; i++) {
_mm_storel_epi64((__m128i *)(dst + i * stride), d[i]);
}
}
static void highbd_dr_prediction_z3_8x4_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m128i dstvec[8], d[4];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(8, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(
8, dstvec, left, upsample_left, dy, mrl_index);
}
highbd_transpose8x8_low_sse2(&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3],
&dstvec[4], &dstvec[5], &dstvec[6], &dstvec[7],
&d[0], &d[1], &d[2], &d[3]);
_mm_storeu_si128((__m128i *)(dst + 0 * stride), d[0]);
_mm_storeu_si128((__m128i *)(dst + 1 * stride), d[1]);
_mm_storeu_si128((__m128i *)(dst + 2 * stride), d[2]);
_mm_storeu_si128((__m128i *)(dst + 3 * stride), d[3]);
}
static void highbd_dr_prediction_z3_8x16_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m256i dstvec[8], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(8, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(
8, dstvec, left, upsample_left, dy, mrl_index);
}
highbd_transpose8x16_16x8_avx2(dstvec, d);
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride),
_mm256_castsi256_si128(d[i]));
}
for (int i = 8; i < 16; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride),
_mm256_extracti128_si256(d[i - 8], 1));
}
}
static void highbd_dr_prediction_z3_16x8_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m128i dstvec[16], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(16, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(
16, dstvec, left, upsample_left, dy, mrl_index);
}
for (int i = 0; i < 16; i += 8) {
highbd_transpose8x8_sse2(&dstvec[0 + i], &dstvec[1 + i], &dstvec[2 + i],
&dstvec[3 + i], &dstvec[4 + i], &dstvec[5 + i],
&dstvec[6 + i], &dstvec[7 + i], &d[0 + i],
&d[1 + i], &d[2 + i], &d[3 + i], &d[4 + i],
&d[5 + i], &d[6 + i], &d[7 + i]);
}
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride), d[i]);
_mm_storeu_si128((__m128i *)(dst + i * stride + 8), d[i + 8]);
}
}
static void highbd_dr_prediction_z3_4x16_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy, int bd,
int mrl_index) {
__m256i dstvec[4], d[4], d1;
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(4, dstvec, left, upsample_left,
dy, mrl_index);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(
4, dstvec, left, upsample_left, dy, mrl_index);
}
highbd_transpose4x16_avx2(dstvec, d);
for (int i = 0; i < 4; i++) {
_mm_storel_epi64((__m128i *)(dst + i * stride),
_mm256_castsi256_si128(d[i]));
d1 = _mm256_bsrli_epi128(d[i], 8);
_mm_storel_epi64((__m128i *)(dst + (i + 4) * stride),
_mm256_castsi256_si128(d1));
_mm_storel_epi64((__m128i *)(dst + (i + 8) * stride),
_mm256_extracti128_si256(d[i], 1));
_mm_storel_epi64((__m128i *)(dst + (i + 12) * stride),
_mm256_extracti128_si256(d1, 1));
}
}