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/*
* Copyright (c) 2017, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <immintrin.h>
#include "config/av1_rtcd.h"
#include "aom_dsp/x86/intrapred_x86.h"
#include "aom_dsp/x86/intrapred_utils.h"
#include "aom_dsp/x86/lpf_common_sse2.h"
static inline __m256i dc_sum_64(const uint8_t *ref) {
const __m256i x0 = _mm256_loadu_si256((const __m256i *)ref);
const __m256i x1 = _mm256_loadu_si256((const __m256i *)(ref + 32));
const __m256i zero = _mm256_setzero_si256();
__m256i y0 = _mm256_sad_epu8(x0, zero);
__m256i y1 = _mm256_sad_epu8(x1, zero);
y0 = _mm256_add_epi64(y0, y1);
__m256i u0 = _mm256_permute2x128_si256(y0, y0, 1);
y0 = _mm256_add_epi64(u0, y0);
u0 = _mm256_unpackhi_epi64(y0, y0);
return _mm256_add_epi16(y0, u0);
}
static inline __m256i dc_sum_32(const uint8_t *ref) {
const __m256i x = _mm256_loadu_si256((const __m256i *)ref);
const __m256i zero = _mm256_setzero_si256();
__m256i y = _mm256_sad_epu8(x, zero);
__m256i u = _mm256_permute2x128_si256(y, y, 1);
y = _mm256_add_epi64(u, y);
u = _mm256_unpackhi_epi64(y, y);
return _mm256_add_epi16(y, u);
}
static inline void row_store_32xh(const __m256i *r, int height, uint8_t *dst,
ptrdiff_t stride) {
for (int i = 0; i < height; ++i) {
_mm256_storeu_si256((__m256i *)dst, *r);
dst += stride;
}
}
static inline void row_store_32x2xh(const __m256i *r0, const __m256i *r1,
int height, uint8_t *dst,
ptrdiff_t stride) {
for (int i = 0; i < height; ++i) {
_mm256_storeu_si256((__m256i *)dst, *r0);
_mm256_storeu_si256((__m256i *)(dst + 32), *r1);
dst += stride;
}
}
static inline void row_store_64xh(const __m256i *r, int height, uint8_t *dst,
ptrdiff_t stride) {
for (int i = 0; i < height; ++i) {
_mm256_storeu_si256((__m256i *)dst, *r);
_mm256_storeu_si256((__m256i *)(dst + 32), *r);
dst += stride;
}
}
#if CONFIG_AV1_HIGHBITDEPTH
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 }
};
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
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
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
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);
}
}
#endif // CONFIG_AV1_HIGHBITDEPTH
void aom_dc_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i sum_above = dc_sum_32(above);
__m256i sum_left = dc_sum_32(left);
sum_left = _mm256_add_epi16(sum_left, sum_above);
const __m256i thirtytwo = _mm256_set1_epi16(32);
sum_left = _mm256_add_epi16(sum_left, thirtytwo);
sum_left = _mm256_srai_epi16(sum_left, 6);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum_left, zero);
row_store_32xh(&row, 32, dst, stride);
}
void aom_dc_top_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_32(above);
(void)left;
const __m256i sixteen = _mm256_set1_epi16(16);
sum = _mm256_add_epi16(sum, sixteen);
sum = _mm256_srai_epi16(sum, 5);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_32xh(&row, 32, dst, stride);
}
void aom_dc_left_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_32(left);
(void)above;
const __m256i sixteen = _mm256_set1_epi16(16);
sum = _mm256_add_epi16(sum, sixteen);
sum = _mm256_srai_epi16(sum, 5);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_32xh(&row, 32, dst, stride);
}
void aom_dc_128_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
(void)above;
(void)left;
const __m256i row = _mm256_set1_epi8((int8_t)0x80);
row_store_32xh(&row, 32, dst, stride);
}
void aom_v_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i row = _mm256_loadu_si256((const __m256i *)above);
(void)left;
row_store_32xh(&row, 32, dst, stride);
}
// There are 32 rows togeter. This function does line:
// 0,1,2,3, and 16,17,18,19. The next call would do
// 4,5,6,7, and 20,21,22,23. So 4 times of calling
// would finish 32 rows.
static inline void h_predictor_32x8line(const __m256i *row, uint8_t *dst,
ptrdiff_t stride) {
__m256i t[4];
__m256i m = _mm256_setzero_si256();
const __m256i inc = _mm256_set1_epi8(4);
int i;
for (i = 0; i < 4; i++) {
t[i] = _mm256_shuffle_epi8(*row, m);
__m256i r0 = _mm256_permute2x128_si256(t[i], t[i], 0);
__m256i r1 = _mm256_permute2x128_si256(t[i], t[i], 0x11);
_mm256_storeu_si256((__m256i *)dst, r0);
_mm256_storeu_si256((__m256i *)(dst + (stride << 4)), r1);
dst += stride;
m = _mm256_add_epi8(m, inc);
}
}
void aom_h_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
(void)above;
const __m256i left_col = _mm256_loadu_si256((__m256i const *)left);
__m256i u = _mm256_unpacklo_epi8(left_col, left_col);
__m256i v = _mm256_unpacklo_epi8(u, u);
h_predictor_32x8line(&v, dst, stride);
dst += stride << 2;
v = _mm256_unpackhi_epi8(u, u);
h_predictor_32x8line(&v, dst, stride);
dst += stride << 2;
u = _mm256_unpackhi_epi8(left_col, left_col);
v = _mm256_unpacklo_epi8(u, u);
h_predictor_32x8line(&v, dst, stride);
dst += stride << 2;
v = _mm256_unpackhi_epi8(u, u);
h_predictor_32x8line(&v, dst, stride);
}
// -----------------------------------------------------------------------------
// Rectangle
void aom_dc_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m128i top_sum = dc_sum_32_sse2(above);
__m128i left_sum = dc_sum_16_sse2(left);
left_sum = _mm_add_epi16(top_sum, left_sum);
uint16_t sum = (uint16_t)_mm_cvtsi128_si32(left_sum);
sum += 24;
sum /= 48;
const __m256i row = _mm256_set1_epi8((int8_t)sum);
row_store_32xh(&row, 16, dst, stride);
}
void aom_dc_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i sum_above = dc_sum_32(above);
__m256i sum_left = dc_sum_64(left);
sum_left = _mm256_add_epi16(sum_left, sum_above);
uint16_t sum = (uint16_t)_mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left));
sum += 48;
sum /= 96;
const __m256i row = _mm256_set1_epi8((int8_t)sum);
row_store_32xh(&row, 64, dst, stride);
}
void aom_dc_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i sum_above = dc_sum_64(above);
__m256i sum_left = dc_sum_64(left);
sum_left = _mm256_add_epi16(sum_left, sum_above);
uint16_t sum = (uint16_t)_mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left));
sum += 64;
sum /= 128;
const __m256i row = _mm256_set1_epi8((int8_t)sum);
row_store_64xh(&row, 64, dst, stride);
}
void aom_dc_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i sum_above = dc_sum_64(above);
__m256i sum_left = dc_sum_32(left);
sum_left = _mm256_add_epi16(sum_left, sum_above);
uint16_t sum = (uint16_t)_mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left));
sum += 48;
sum /= 96;
const __m256i row = _mm256_set1_epi8((int8_t)sum);
row_store_64xh(&row, 32, dst, stride);
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i sum_above = dc_sum_64(above);
__m256i sum_left = _mm256_castsi128_si256(dc_sum_16_sse2(left));
sum_left = _mm256_add_epi16(sum_left, sum_above);
uint16_t sum = (uint16_t)_mm_cvtsi128_si32(_mm256_castsi256_si128(sum_left));
sum += 40;
sum /= 80;
const __m256i row = _mm256_set1_epi8((int8_t)sum);
row_store_64xh(&row, 16, dst, stride);
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_top_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_32(above);
(void)left;
const __m256i sixteen = _mm256_set1_epi16(16);
sum = _mm256_add_epi16(sum, sixteen);
sum = _mm256_srai_epi16(sum, 5);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_32xh(&row, 16, dst, stride);
}
void aom_dc_top_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_32(above);
(void)left;
const __m256i sixteen = _mm256_set1_epi16(16);
sum = _mm256_add_epi16(sum, sixteen);
sum = _mm256_srai_epi16(sum, 5);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_32xh(&row, 64, dst, stride);
}
void aom_dc_top_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_64(above);
(void)left;
const __m256i thirtytwo = _mm256_set1_epi16(32);
sum = _mm256_add_epi16(sum, thirtytwo);
sum = _mm256_srai_epi16(sum, 6);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_64xh(&row, 64, dst, stride);
}
void aom_dc_top_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_64(above);
(void)left;
const __m256i thirtytwo = _mm256_set1_epi16(32);
sum = _mm256_add_epi16(sum, thirtytwo);
sum = _mm256_srai_epi16(sum, 6);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_64xh(&row, 32, dst, stride);
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_top_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_64(above);
(void)left;
const __m256i thirtytwo = _mm256_set1_epi16(32);
sum = _mm256_add_epi16(sum, thirtytwo);
sum = _mm256_srai_epi16(sum, 6);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_64xh(&row, 16, dst, stride);
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_left_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m128i sum = dc_sum_16_sse2(left);
(void)above;
const __m128i eight = _mm_set1_epi16(8);
sum = _mm_add_epi16(sum, eight);
sum = _mm_srai_epi16(sum, 4);
const __m128i zero = _mm_setzero_si128();
const __m128i r = _mm_shuffle_epi8(sum, zero);
const __m256i row = _mm256_inserti128_si256(_mm256_castsi128_si256(r), r, 1);
row_store_32xh(&row, 16, dst, stride);
}
void aom_dc_left_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_64(left);
(void)above;
const __m256i thirtytwo = _mm256_set1_epi16(32);
sum = _mm256_add_epi16(sum, thirtytwo);
sum = _mm256_srai_epi16(sum, 6);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_32xh(&row, 64, dst, stride);
}
void aom_dc_left_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_64(left);
(void)above;
const __m256i thirtytwo = _mm256_set1_epi16(32);
sum = _mm256_add_epi16(sum, thirtytwo);
sum = _mm256_srai_epi16(sum, 6);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_64xh(&row, 64, dst, stride);
}
void aom_dc_left_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m256i sum = dc_sum_32(left);
(void)above;
const __m256i sixteen = _mm256_set1_epi16(16);
sum = _mm256_add_epi16(sum, sixteen);
sum = _mm256_srai_epi16(sum, 5);
const __m256i zero = _mm256_setzero_si256();
__m256i row = _mm256_shuffle_epi8(sum, zero);
row_store_64xh(&row, 32, dst, stride);
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_left_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
__m128i sum = dc_sum_16_sse2(left);
(void)above;
const __m128i eight = _mm_set1_epi16(8);
sum = _mm_add_epi16(sum, eight);
sum = _mm_srai_epi16(sum, 4);
const __m128i zero = _mm_setzero_si128();
const __m128i r = _mm_shuffle_epi8(sum, zero);
const __m256i row = _mm256_inserti128_si256(_mm256_castsi128_si256(r), r, 1);
row_store_64xh(&row, 16, dst, stride);
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_128_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
(void)above;
(void)left;
const __m256i row = _mm256_set1_epi8((int8_t)0x80);
row_store_32xh(&row, 16, dst, stride);
}
void aom_dc_128_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
(void)above;
(void)left;
const __m256i row = _mm256_set1_epi8((int8_t)0x80);
row_store_32xh(&row, 64, dst, stride);
}
void aom_dc_128_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
(void)above;
(void)left;
const __m256i row = _mm256_set1_epi8((int8_t)0x80);
row_store_64xh(&row, 64, dst, stride);
}
void aom_dc_128_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
(void)above;
(void)left;
const __m256i row = _mm256_set1_epi8((int8_t)0x80);
row_store_64xh(&row, 32, dst, stride);
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_dc_128_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above,
const uint8_t *left) {
(void)above;
(void)left;
const __m256i row = _mm256_set1_epi8((int8_t)0x80);
row_store_64xh(&row, 16, dst, stride);
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_v_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i row = _mm256_loadu_si256((const __m256i *)above);
(void)left;
row_store_32xh(&row, 16, dst, stride);
}
void aom_v_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i row = _mm256_loadu_si256((const __m256i *)above);
(void)left;
row_store_32xh(&row, 64, dst, stride);
}
void aom_v_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i row0 = _mm256_loadu_si256((const __m256i *)above);
const __m256i row1 = _mm256_loadu_si256((const __m256i *)(above + 32));
(void)left;
row_store_32x2xh(&row0, &row1, 64, dst, stride);
}
void aom_v_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i row0 = _mm256_loadu_si256((const __m256i *)above);
const __m256i row1 = _mm256_loadu_si256((const __m256i *)(above + 32));
(void)left;
row_store_32x2xh(&row0, &row1, 32, dst, stride);
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_v_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i row0 = _mm256_loadu_si256((const __m256i *)above);
const __m256i row1 = _mm256_loadu_si256((const __m256i *)(above + 32));
(void)left;
row_store_32x2xh(&row0, &row1, 16, dst, stride);
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
// -----------------------------------------------------------------------------
// PAETH_PRED
// Return 16 16-bit pixels in one row (__m256i)
static inline __m256i paeth_pred(const __m256i *left, const __m256i *top,
const __m256i *topleft) {
const __m256i base =
_mm256_sub_epi16(_mm256_add_epi16(*top, *left), *topleft);
__m256i pl = _mm256_abs_epi16(_mm256_sub_epi16(base, *left));
__m256i pt = _mm256_abs_epi16(_mm256_sub_epi16(base, *top));
__m256i ptl = _mm256_abs_epi16(_mm256_sub_epi16(base, *topleft));
__m256i mask1 = _mm256_cmpgt_epi16(pl, pt);
mask1 = _mm256_or_si256(mask1, _mm256_cmpgt_epi16(pl, ptl));
__m256i mask2 = _mm256_cmpgt_epi16(pt, ptl);
pl = _mm256_andnot_si256(mask1, *left);
ptl = _mm256_and_si256(mask2, *topleft);
pt = _mm256_andnot_si256(mask2, *top);
pt = _mm256_or_si256(pt, ptl);
pt = _mm256_and_si256(mask1, pt);
return _mm256_or_si256(pt, pl);
}
// Return 16 8-bit pixels in one row (__m128i)
static inline __m128i paeth_16x1_pred(const __m256i *left, const __m256i *top,
const __m256i *topleft) {
const __m256i p0 = paeth_pred(left, top, topleft);
const __m256i p1 = _mm256_permute4x64_epi64(p0, 0xe);
const __m256i p = _mm256_packus_epi16(p0, p1);
return _mm256_castsi256_si128(p);
}
static inline __m256i get_top_vector(const uint8_t *above) {
const __m128i x = _mm_load_si128((const __m128i *)above);
const __m128i zero = _mm_setzero_si128();
const __m128i t0 = _mm_unpacklo_epi8(x, zero);
const __m128i t1 = _mm_unpackhi_epi8(x, zero);
return _mm256_inserti128_si256(_mm256_castsi128_si256(t0), t1, 1);
}
void aom_paeth_predictor_16x8_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
__m128i x = _mm_loadl_epi64((const __m128i *)left);
const __m256i l = _mm256_inserti128_si256(_mm256_castsi128_si256(x), x, 1);
const __m256i tl16 = _mm256_set1_epi16((int16_t)above[-1]);
__m256i rep = _mm256_set1_epi16((short)0x8000);
const __m256i one = _mm256_set1_epi16(1);
const __m256i top = get_top_vector(above);
int i;
for (i = 0; i < 8; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i row = paeth_16x1_pred(&l16, &top, &tl16);
_mm_store_si128((__m128i *)dst, row);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
static inline __m256i get_left_vector(const uint8_t *left) {
const __m128i x = _mm_load_si128((const __m128i *)left);
return _mm256_inserti128_si256(_mm256_castsi128_si256(x), x, 1);
}
void aom_paeth_predictor_16x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i l = get_left_vector(left);
const __m256i tl16 = _mm256_set1_epi16((int16_t)above[-1]);
__m256i rep = _mm256_set1_epi16((short)0x8000);
const __m256i one = _mm256_set1_epi16(1);
const __m256i top = get_top_vector(above);
int i;
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i row = paeth_16x1_pred(&l16, &top, &tl16);
_mm_store_si128((__m128i *)dst, row);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
void aom_paeth_predictor_16x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
__m256i l = get_left_vector(left);
const __m256i tl16 = _mm256_set1_epi16((int16_t)above[-1]);
__m256i rep = _mm256_set1_epi16((short)0x8000);
const __m256i one = _mm256_set1_epi16(1);
const __m256i top = get_top_vector(above);
int i;
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i row = paeth_16x1_pred(&l16, &top, &tl16);
_mm_store_si128((__m128i *)dst, row);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
l = get_left_vector(left + 16);
rep = _mm256_set1_epi16((short)0x8000);
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i row = paeth_16x1_pred(&l16, &top, &tl16);
_mm_store_si128((__m128i *)dst, row);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_paeth_predictor_16x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i tl16 = _mm256_set1_epi16((int16_t)above[-1]);
const __m256i one = _mm256_set1_epi16(1);
const __m256i top = get_top_vector(above);
for (int j = 0; j < 4; ++j) {
const __m256i l = get_left_vector(left + j * 16);
__m256i rep = _mm256_set1_epi16((short)0x8000);
for (int i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i row = paeth_16x1_pred(&l16, &top, &tl16);
_mm_store_si128((__m128i *)dst, row);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
// Return 32 8-bit pixels in one row (__m256i)
static inline __m256i paeth_32x1_pred(const __m256i *left, const __m256i *top0,
const __m256i *top1,
const __m256i *topleft) {
__m256i p0 = paeth_pred(left, top0, topleft);
__m256i p1 = _mm256_permute4x64_epi64(p0, 0xe);
const __m256i x0 = _mm256_packus_epi16(p0, p1);
p0 = paeth_pred(left, top1, topleft);
p1 = _mm256_permute4x64_epi64(p0, 0xe);
const __m256i x1 = _mm256_packus_epi16(p0, p1);
return _mm256_permute2x128_si256(x0, x1, 0x20);
}
void aom_paeth_predictor_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i l = get_left_vector(left);
const __m256i t0 = get_top_vector(above);
const __m256i t1 = get_top_vector(above + 16);
const __m256i tl = _mm256_set1_epi16((int16_t)above[-1]);
__m256i rep = _mm256_set1_epi16((short)0x8000);
const __m256i one = _mm256_set1_epi16(1);
int i;
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m256i r = paeth_32x1_pred(&l16, &t0, &t1, &tl);
_mm256_storeu_si256((__m256i *)dst, r);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
void aom_paeth_predictor_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
__m256i l = get_left_vector(left);
const __m256i t0 = get_top_vector(above);
const __m256i t1 = get_top_vector(above + 16);
const __m256i tl = _mm256_set1_epi16((int16_t)above[-1]);
__m256i rep = _mm256_set1_epi16((short)0x8000);
const __m256i one = _mm256_set1_epi16(1);
int i;
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl);
const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl);
_mm_store_si128((__m128i *)dst, r0);
_mm_store_si128((__m128i *)(dst + 16), r1);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
l = get_left_vector(left + 16);
rep = _mm256_set1_epi16((short)0x8000);
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl);
const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl);
_mm_store_si128((__m128i *)dst, r0);
_mm_store_si128((__m128i *)(dst + 16), r1);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
void aom_paeth_predictor_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i t0 = get_top_vector(above);
const __m256i t1 = get_top_vector(above + 16);
const __m256i tl = _mm256_set1_epi16((int16_t)above[-1]);
const __m256i one = _mm256_set1_epi16(1);
int i, j;
for (j = 0; j < 4; ++j) {
const __m256i l = get_left_vector(left + j * 16);
__m256i rep = _mm256_set1_epi16((short)0x8000);
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl);
const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl);
_mm_store_si128((__m128i *)dst, r0);
_mm_store_si128((__m128i *)(dst + 16), r1);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
}
void aom_paeth_predictor_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i t0 = get_top_vector(above);
const __m256i t1 = get_top_vector(above + 16);
const __m256i t2 = get_top_vector(above + 32);
const __m256i t3 = get_top_vector(above + 48);
const __m256i tl = _mm256_set1_epi16((int16_t)above[-1]);
const __m256i one = _mm256_set1_epi16(1);
int i, j;
for (j = 0; j < 2; ++j) {
const __m256i l = get_left_vector(left + j * 16);
__m256i rep = _mm256_set1_epi16((short)0x8000);
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl);
const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl);
const __m128i r2 = paeth_16x1_pred(&l16, &t2, &tl);
const __m128i r3 = paeth_16x1_pred(&l16, &t3, &tl);
_mm_store_si128((__m128i *)dst, r0);
_mm_store_si128((__m128i *)(dst + 16), r1);
_mm_store_si128((__m128i *)(dst + 32), r2);
_mm_store_si128((__m128i *)(dst + 48), r3);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
}
void aom_paeth_predictor_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i t0 = get_top_vector(above);
const __m256i t1 = get_top_vector(above + 16);
const __m256i t2 = get_top_vector(above + 32);
const __m256i t3 = get_top_vector(above + 48);
const __m256i tl = _mm256_set1_epi16((int16_t)above[-1]);
const __m256i one = _mm256_set1_epi16(1);
int i, j;
for (j = 0; j < 4; ++j) {
const __m256i l = get_left_vector(left + j * 16);
__m256i rep = _mm256_set1_epi16((short)0x8000);
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl);
const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl);
const __m128i r2 = paeth_16x1_pred(&l16, &t2, &tl);
const __m128i r3 = paeth_16x1_pred(&l16, &t3, &tl);
_mm_store_si128((__m128i *)dst, r0);
_mm_store_si128((__m128i *)(dst + 16), r1);
_mm_store_si128((__m128i *)(dst + 32), r2);
_mm_store_si128((__m128i *)(dst + 48), r3);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void aom_paeth_predictor_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left) {
const __m256i t0 = get_top_vector(above);
const __m256i t1 = get_top_vector(above + 16);
const __m256i t2 = get_top_vector(above + 32);
const __m256i t3 = get_top_vector(above + 48);
const __m256i tl = _mm256_set1_epi16((int16_t)above[-1]);
const __m256i one = _mm256_set1_epi16(1);
int i;
const __m256i l = get_left_vector(left);
__m256i rep = _mm256_set1_epi16((short)0x8000);
for (i = 0; i < 16; ++i) {
const __m256i l16 = _mm256_shuffle_epi8(l, rep);
const __m128i r0 = paeth_16x1_pred(&l16, &t0, &tl);
const __m128i r1 = paeth_16x1_pred(&l16, &t1, &tl);
const __m128i r2 = paeth_16x1_pred(&l16, &t2, &tl);
const __m128i r3 = paeth_16x1_pred(&l16, &t3, &tl);
_mm_store_si128((__m128i *)dst, r0);
_mm_store_si128((__m128i *)(dst + 16), r1);
_mm_store_si128((__m128i *)(dst + 32), r2);
_mm_store_si128((__m128i *)(dst + 48), r3);
dst += stride;
rep = _mm256_add_epi16(rep, one);
}
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
#if CONFIG_AV1_HIGHBITDEPTH
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) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((N + 4) - 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;
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) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((N + 4) - 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;
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) {
__m128i dstvec[16];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(N, dstvec, above, upsample_above,
dx);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(N, dstvec, above,
upsample_above, dx);
}
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) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((8 + N) - 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;
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) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((8 + N) - 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;
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) {
__m128i dstvec[32];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(N, dstvec, above, upsample_above,
dx);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(N, dstvec, above,
upsample_above, dx);
}
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) {
// 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);
// 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;
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) {
// 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);
// 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;
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) {
__m256i dstvec[64];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(N, dstvec, above, upsample_above,
dx);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(N, dstvec, above,
upsample_above, dx);
}
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) {
// 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);
// 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;
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) {
// 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);
// 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;
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) {
__m256i dstvec[128];
if (bd < 12) {
highbd_dr_prediction_z1_32xN_internal_avx2(N, dstvec, above, upsample_above,
dx);
} else {
highbd_dr_prediction_32bit_z1_32xN_internal_avx2(N, dstvec, above,
upsample_above, dx);
}
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) {
// 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);
// 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;
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) {
// 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);
// 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;
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) {
(void)left;
(void)dy;
switch (bw) {
case 4:
highbd_dr_prediction_z1_4xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd);
break;
case 8:
highbd_dr_prediction_z1_8xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd);
break;
case 16:
highbd_dr_prediction_z1_16xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd);
break;
case 32:
highbd_dr_prediction_z1_32xN_avx2(bh, dst, stride, above, upsample_above,
dx, bd);
break;
case 64:
if (bd < 12) {
highbd_dr_prediction_z1_64xN_avx2(bh, dst, stride, above,
upsample_above, dx);
} else {
highbd_dr_prediction_32bit_z1_64xN_avx2(bh, dst, stride, above,
upsample_above, dx);
}
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) {
const int min_base_x = -(1 << upsample_above);
const int min_base_y = -(1 << 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);
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 * 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 * dx, (1 << 6) - y * dx,
(2 << 6) - y * dx, (3 << 6) - y * 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 * dx, (1 << 6) - y * dx,
(2 << 6) - y * dx, (3 << 6) - y * 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);
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) {
const int min_base_x = -(1 << upsample_above);
const int min_base_y = -(1 << 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);
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 * 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 * dx, (1 << 6) - y * dx,
(2 << 6) - y * dx,
(3 << 6) - y * 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 * dx, (1 << 6) - y * dx, (2 << 6) - y * dx,
(3 << 6) - y * 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);
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) {
const int min_base_x = -(1 << upsample_above);
const int min_base_y = -(1 << 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);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy;
int y = r + 1;
int base_x = (-y * 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 * dx, (1 << 6) - y * dx,
(2 << 6) - y * dx, (3 << 6) - y * dx,
(4 << 6) - y * dx, (5 << 6) - y * dx,
(6 << 6) - y * dx, (7 << 6) - y * 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 * dx, (1 << 6) - y * dx, (2 << 6) - y * dx,
(3 << 6) - y * dx, (4 << 6) - y * dx,
(5 << 6) - y * dx, (6 << 6) - y * dx,
(7 << 6) - y * 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);
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) {
const int min_base_x = -(1 << upsample_above);
const int min_base_y = -(1 << 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);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy;
int y = r + 1;
int base_x = (-y * 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 * dx, (1 << 6) - y * dx,
(2 << 6) - y * dx, (3 << 6) - y * dx,
(4 << 6) - y * dx, (5 << 6) - y * dx,
(6 << 6) - y * dx, (7 << 6) - y * 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 * dx, (1 << 6) - y * dx,
(2 << 6) - y * dx, (3 << 6) - y * dx,
(4 << 6) - y * dx, (5 << 6) - y * dx,
(6 << 6) - y * dx, (7 << 6) - y * 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);
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) {
// here upsample_above and upsample_left are 0 by design of
// av1_use_intra_edge_upsample
const int min_base_x = -1;
const int min_base_y = -1;
(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);
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 * dx);
int base_x = ((j << 6) - y * 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);
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) {
// here upsample_above and upsample_left are 0 by design of
// av1_use_intra_edge_upsample
const int min_base_x = -1;
const int min_base_y = -1;
(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);
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 * dx));
for (int j = 0; j < W; j += 16) {
j256 = _mm256_set1_epi16(j);
int base_x = ((j << 6) - y * 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);
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) {
(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);
} else {
highbd_dr_prediction_32bit_z2_Nx4_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left,
dx, dy);
}
break;
case 8:
if (bd < 12) {
highbd_dr_prediction_z2_Nx8_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left, dx, dy);
} else {
highbd_dr_prediction_32bit_z2_Nx8_avx2(bh, dst, stride, above, left,
upsample_above, upsample_left,
dx, dy);
}
break;
default:
if (bd < 12) {
highbd_dr_prediction_z2_HxW_avx2(bh, bw, dst, stride, above, left,
upsample_above, upsample_left, dx, dy);
} else {
highbd_dr_prediction_32bit_z2_HxW_avx2(bh, bw, dst, stride, above, left,
upsample_above, upsample_left,
dx, dy);
}
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) {
__m128i dstvec[4], d[4];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(4, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(4, dstvec, left,
upsample_left, dy);
}
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) {
__m128i dstvec[8], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(8, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(8, dstvec, left,
upsample_left, dy);
}
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) {
__m128i dstvec[4], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(4, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(4, dstvec, left,
upsample_left, dy);
}
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) {
__m128i dstvec[8], d[4];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(8, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(8, dstvec, left,
upsample_left, dy);
}
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) {
__m256i dstvec[8], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(8, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(8, dstvec, left,
upsample_left, dy);
}
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) {
__m128i dstvec[16], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(16, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(16, dstvec, left,
upsample_left, dy);
}
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]);
}
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
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) {
__m256i dstvec[4], d[4], d1;
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(4, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(4, dstvec, left,
upsample_left, dy);
}
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));
}
}
static void highbd_dr_prediction_z3_16x4_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m128i dstvec[16], d[8];
if (bd < 12) {
highbd_dr_prediction_z1_4xN_internal_avx2(16, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_4xN_internal_avx2(16, dstvec, left,
upsample_left, dy);
}
highbd_transpose16x4_8x8_sse2(dstvec, d);
_mm_storeu_si128((__m128i *)(dst + 0 * stride), d[0]);
_mm_storeu_si128((__m128i *)(dst + 0 * stride + 8), d[1]);
_mm_storeu_si128((__m128i *)(dst + 1 * stride), d[2]);
_mm_storeu_si128((__m128i *)(dst + 1 * stride + 8), d[3]);
_mm_storeu_si128((__m128i *)(dst + 2 * stride), d[4]);
_mm_storeu_si128((__m128i *)(dst + 2 * stride + 8), d[5]);
_mm_storeu_si128((__m128i *)(dst + 3 * stride), d[6]);
_mm_storeu_si128((__m128i *)(dst + 3 * stride + 8), d[7]);
}
static void highbd_dr_prediction_z3_8x32_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m256i dstvec[16], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_32xN_internal_avx2(8, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_32xN_internal_avx2(8, dstvec, left,
upsample_left, dy);
}
for (int i = 0; i < 16; i += 8) {
highbd_transpose8x16_16x8_avx2(dstvec + i, d + i);
}
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride),
_mm256_castsi256_si128(d[i]));
}
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + (i + 8) * stride),
_mm256_extracti128_si256(d[i], 1));
}
for (int i = 8; i < 16; i++) {
_mm_storeu_si128((__m128i *)(dst + (i + 8) * stride),
_mm256_castsi256_si128(d[i]));
}
for (int i = 8; i < 16; i++) {
_mm_storeu_si128((__m128i *)(dst + (i + 16) * stride),
_mm256_extracti128_si256(d[i], 1));
}
}
static void highbd_dr_prediction_z3_32x8_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m128i dstvec[32], d[32];
if (bd < 12) {
highbd_dr_prediction_z1_8xN_internal_avx2(32, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_8xN_internal_avx2(32, dstvec, left,
upsample_left, dy);
}
for (int i = 0; i < 32; 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]);
_mm_storeu_si128((__m128i *)(dst + i * stride + 16), d[i + 16]);
_mm_storeu_si128((__m128i *)(dst + i * stride + 24), d[i + 24]);
}
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
static void highbd_dr_prediction_z3_16x16_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m256i dstvec[16], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(16, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(16, dstvec, left,
upsample_left, dy);
}
highbd_transpose16x16_avx2(dstvec, d);
for (int i = 0; i < 16; i++) {
_mm256_storeu_si256((__m256i *)(dst + i * stride), d[i]);
}
}
static void highbd_dr_prediction_z3_32x32_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m256i dstvec[64], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_32xN_internal_avx2(32, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_32xN_internal_avx2(32, dstvec, left,
upsample_left, dy);
}
highbd_transpose16x16_avx2(dstvec, d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + j * stride), d[j]);
}
highbd_transpose16x16_avx2(dstvec + 16, d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + j * stride + 16), d[j]);
}
highbd_transpose16x16_avx2(dstvec + 32, d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + (j + 16) * stride), d[j]);
}
highbd_transpose16x16_avx2(dstvec + 48, d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + (j + 16) * stride + 16), d[j]);
}
}
static void highbd_dr_prediction_z3_64x64_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
DECLARE_ALIGNED(16, uint16_t, dstT[64 * 64]);
if (bd < 12) {
highbd_dr_prediction_z1_64xN_avx2(64, dstT, 64, left, upsample_left, dy);
} else {
highbd_dr_prediction_32bit_z1_64xN_avx2(64, dstT, 64, left, upsample_left,
dy);
}
highbd_transpose(dstT, 64, dst, stride, 64, 64);
}
static void highbd_dr_prediction_z3_16x32_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m256i dstvec[32], d[32];
if (bd < 12) {
highbd_dr_prediction_z1_32xN_internal_avx2(16, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_32xN_internal_avx2(16, dstvec, left,
upsample_left, dy);
}
for (int i = 0; i < 32; i += 8) {
highbd_transpose8x16_16x8_avx2(dstvec + i, d + i);
}
// store
for (int j = 0; j < 32; j += 16) {
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + (i + j) * stride),
_mm256_castsi256_si128(d[(i + j)]));
}
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + (i + j) * stride + 8),
_mm256_castsi256_si128(d[(i + j) + 8]));
}
for (int i = 8; i < 16; i++) {
_mm256_storeu_si256(
(__m256i *)(dst + (i + j) * stride),
_mm256_inserti128_si256(
d[(i + j)], _mm256_extracti128_si256(d[(i + j) - 8], 1), 0));
}
}
}
static void highbd_dr_prediction_z3_32x16_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m256i dstvec[32], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(32, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(32, dstvec, left,
upsample_left, dy);
}
for (int i = 0; i < 32; i += 16) {
highbd_transpose16x16_avx2((dstvec + i), d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + j * stride + i), d[j]);
}
}
}
static void highbd_dr_prediction_z3_32x64_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
uint16_t dstT[64 * 32];
if (bd < 12) {
highbd_dr_prediction_z1_64xN_avx2(32, dstT, 64, left, upsample_left, dy);
} else {
highbd_dr_prediction_32bit_z1_64xN_avx2(32, dstT, 64, left, upsample_left,
dy);
}
highbd_transpose(dstT, 64, dst, stride, 32, 64);
}
static void highbd_dr_prediction_z3_64x32_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
DECLARE_ALIGNED(16, uint16_t, dstT[32 * 64]);
highbd_dr_prediction_z1_32xN_avx2(64, dstT, 32, left, upsample_left, dy, bd);
highbd_transpose(dstT, 32, dst, stride, 64, 32);
return;
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
static void highbd_dr_prediction_z3_16x64_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
DECLARE_ALIGNED(16, uint16_t, dstT[64 * 16]);
if (bd < 12) {
highbd_dr_prediction_z1_64xN_avx2(16, dstT, 64, left, upsample_left, dy);
} else {
highbd_dr_prediction_32bit_z1_64xN_avx2(16, dstT, 64, left, upsample_left,
dy);
}
highbd_transpose(dstT, 64, dst, stride, 16, 64);
}
static void highbd_dr_prediction_z3_64x16_avx2(uint16_t *dst, ptrdiff_t stride,
const uint16_t *left,
int upsample_left, int dy,
int bd) {
__m256i dstvec[64], d[16];
if (bd < 12) {
highbd_dr_prediction_z1_16xN_internal_avx2(64, dstvec, left, upsample_left,
dy);
} else {
highbd_dr_prediction_32bit_z1_16xN_internal_avx2(64, dstvec, left,
upsample_left, dy);
}
for (int i = 0; i < 64; i += 16) {
highbd_transpose16x16_avx2((dstvec + i), d);
for (int j = 0; j < 16; j++) {
_mm256_storeu_si256((__m256i *)(dst + j * stride + i), d[j]);
}
}
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void av1_highbd_dr_prediction_z3_avx2(uint16_t *dst, ptrdiff_t stride, int bw,
int bh, const uint16_t *above,
const uint16_t *left, int upsample_left,
int dx, int dy, int bd) {
(void)above;
(void)dx;
assert(dx == 1);
assert(dy > 0);
if (bw == bh) {
switch (bw) {
case 4:
highbd_dr_prediction_z3_4x4_avx2(dst, stride, left, upsample_left, dy,
bd);
break;
case 8:
highbd_dr_prediction_z3_8x8_avx2(dst, stride, left, upsample_left, dy,
bd);
break;
case 16:
highbd_dr_prediction_z3_16x16_avx2(dst, stride, left, upsample_left, dy,
bd);
break;
case 32:
highbd_dr_prediction_z3_32x32_avx2(dst, stride, left, upsample_left, dy,
bd);
break;
case 64:
highbd_dr_prediction_z3_64x64_avx2(dst, stride, left, upsample_left, dy,
bd);
break;
}
} else {
if (bw < bh) {
if (bw + bw == bh) {
switch (bw) {
case 4:
highbd_dr_prediction_z3_4x8_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 8:
highbd_dr_prediction_z3_8x16_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 16:
highbd_dr_prediction_z3_16x32_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 32:
highbd_dr_prediction_z3_32x64_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
}
} else {
switch (bw) {
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
case 4:
highbd_dr_prediction_z3_4x16_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 8:
highbd_dr_prediction_z3_8x32_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 16:
highbd_dr_prediction_z3_16x64_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
}
}
} else {
if (bh + bh == bw) {
switch (bh) {
case 4:
highbd_dr_prediction_z3_8x4_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 8:
highbd_dr_prediction_z3_16x8_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 16:
highbd_dr_prediction_z3_32x16_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 32:
highbd_dr_prediction_z3_64x32_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
}
} else {
switch (bh) {
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
case 4:
highbd_dr_prediction_z3_16x4_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 8:
highbd_dr_prediction_z3_32x8_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
case 16:
highbd_dr_prediction_z3_64x16_avx2(dst, stride, left, upsample_left,
dy, bd);
break;
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
}
}
}
}
return;
}
#endif // CONFIG_AV1_HIGHBITDEPTH
// Low bit depth functions
static DECLARE_ALIGNED(32, uint8_t, BaseMask[33][32]) = {
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0 },
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
};
/* clang-format on */
static AOM_FORCE_INLINE void dr_prediction_z1_HxW_internal_avx2(
int H, int W, __m128i *dst, const uint8_t *above, int upsample_above,
int dx) {
const int frac_bits = 6 - upsample_above;
const int max_base_x = ((W + H) - 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;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm_set1_epi8((int8_t)above[max_base_x]);
c3f = _mm256_set1_epi16(0x3f);
int x = dx;
for (int r = 0; r < W; r++) {
__m256i b, res, shift;
__m128i res1, a0_128, a1_128;
int base = x >> frac_bits;
int base_max_diff = (max_base_x - base) >> upsample_above;
if (base_max_diff <= 0) {
for (int i = r; i < W; ++i) {
dst[i] = a_mbase_x; // save 4 values
}
return;
}
if (base_max_diff > H) base_max_diff = H;
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 *)EvenOddMaskx[0]);
a1_128 = _mm_srli_si128(a0_128, 8);
shift = _mm256_srli_epi16(
_mm256_and_si256(
_mm256_slli_epi16(_mm256_set1_epi16(x), upsample_above), c3f),
1);
} else {
shift = _mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
}
a0 = _mm256_cvtepu8_epi16(a0_128);
a1 = _mm256_cvtepu8_epi16(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);
res = _mm256_packus_epi16(
res, _mm256_castsi128_si256(
_mm256_extracti128_si256(res, 1))); // goto 8 bit
res1 = _mm256_castsi256_si128(res); // 16 8bit values
dst[r] =
_mm_blendv_epi8(a_mbase_x, res1, *(__m128i *)BaseMask[base_max_diff]);
x += dx;
}
}
static void dr_prediction_z1_4xN_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, int upsample_above,
int dx) {
__m128i dstvec[16];
dr_prediction_z1_HxW_internal_avx2(4, N, dstvec, above, upsample_above, dx);
for (int i = 0; i < N; i++) {
*(int *)(dst + stride * i) = _mm_cvtsi128_si32(dstvec[i]);
}
}
static void dr_prediction_z1_8xN_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, int upsample_above,
int dx) {
__m128i dstvec[32];
dr_prediction_z1_HxW_internal_avx2(8, N, dstvec, above, upsample_above, dx);
for (int i = 0; i < N; i++) {
_mm_storel_epi64((__m128i *)(dst + stride * i), dstvec[i]);
}
}
static void dr_prediction_z1_16xN_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, int upsample_above,
int dx) {
__m128i dstvec[64];
dr_prediction_z1_HxW_internal_avx2(16, N, dstvec, above, upsample_above, dx);
for (int i = 0; i < N; i++) {
_mm_storeu_si128((__m128i *)(dst + stride * i), dstvec[i]);
}
}
static AOM_FORCE_INLINE void dr_prediction_z1_32xN_internal_avx2(
int N, __m256i *dstvec, const uint8_t *above, int upsample_above, int dx) {
// 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);
// 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 a_mbase_x, diff, c3f;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm256_set1_epi8((int8_t)above[max_base_x]);
c3f = _mm256_set1_epi16(0x3f);
int x = dx;
for (int r = 0; r < N; r++) {
__m256i b, res, res16[2];
__m128i a0_128, a1_128;
int base = x >> frac_bits;
int base_max_diff = (max_base_x - base);
if (base_max_diff <= 0) {
for (int i = r; i < N; ++i) {
dstvec[i] = a_mbase_x; // save 32 values
}
return;
}
if (base_max_diff > 32) base_max_diff = 32;
__m256i shift =
_mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
for (int j = 0, jj = 0; j < 32; j += 16, jj++) {
int mdiff = base_max_diff - j;
if (mdiff <= 0) {
res16[jj] = a_mbase_x;
} else {
a0_128 = _mm_loadu_si128((__m128i *)(above + base + j));
a1_128 = _mm_loadu_si128((__m128i *)(above + base + j + 1));
a0 = _mm256_cvtepu8_epi16(a0_128);
a1 = _mm256_cvtepu8_epi16(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);
res16[jj] = _mm256_packus_epi16(
res, _mm256_castsi128_si256(
_mm256_extracti128_si256(res, 1))); // 16 8bit values
}
}
res16[1] =
_mm256_inserti128_si256(res16[0], _mm256_castsi256_si128(res16[1]),
1); // 32 8bit values
dstvec[r] = _mm256_blendv_epi8(
a_mbase_x, res16[1],
*(__m256i *)BaseMask[base_max_diff]); // 32 8bit values
x += dx;
}
}
static void dr_prediction_z1_32xN_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, int upsample_above,
int dx) {
__m256i dstvec[64];
dr_prediction_z1_32xN_internal_avx2(N, dstvec, above, upsample_above, dx);
for (int i = 0; i < N; i++) {
_mm256_storeu_si256((__m256i *)(dst + stride * i), dstvec[i]);
}
}
static void dr_prediction_z1_64xN_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, int upsample_above,
int dx) {
// 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);
// 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 a_mbase_x, diff, c3f;
__m128i max_base_x128, base_inc128, mask128;
a16 = _mm256_set1_epi16(16);
a_mbase_x = _mm256_set1_epi8((int8_t)above[max_base_x]);
max_base_x128 = _mm_set1_epi8(max_base_x);
c3f = _mm256_set1_epi16(0x3f);
int x = dx;
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 + 32), a_mbase_x);
dst += stride;
}
return;
}
__m256i shift =
_mm256_srli_epi16(_mm256_and_si256(_mm256_set1_epi16(x), c3f), 1);
__m128i a0_128, a1_128, res128;
for (int j = 0; j < 64; j += 16) {
int mdif = max_base_x - (base + j);
if (mdif <= 0) {
_mm_storeu_si128((__m128i *)(dst + j),
_mm256_castsi256_si128(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_cvtepu8_epi16(a0_128);
a1 = _mm256_cvtepu8_epi16(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);
res = _mm256_packus_epi16(
res, _mm256_castsi128_si256(
_mm256_extracti128_si256(res, 1))); // 16 8bit values
base_inc128 =
_mm_setr_epi8((int8_t)(base + j), (int8_t)(base + j + 1),
(int8_t)(base + j + 2), (int8_t)(base + j + 3),
(int8_t)(base + j + 4), (int8_t)(base + j + 5),
(int8_t)(base + j + 6), (int8_t)(base + j + 7),
(int8_t)(base + j + 8), (int8_t)(base + j + 9),
(int8_t)(base + j + 10), (int8_t)(base + j + 11),
(int8_t)(base + j + 12), (int8_t)(base + j + 13),
(int8_t)(base + j + 14), (int8_t)(base + j + 15));
mask128 = _mm_cmpgt_epi8(_mm_subs_epu8(max_base_x128, base_inc128),
_mm_setzero_si128());
res128 = _mm_blendv_epi8(_mm256_castsi256_si128(a_mbase_x),
_mm256_castsi256_si128(res), mask128);
_mm_storeu_si128((__m128i *)(dst + j), res128);
}
}
x += dx;
}
}
// Directional prediction, zone 1: 0 < angle < 90
void av1_dr_prediction_z1_avx2(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
const uint8_t *above, const uint8_t *left,
int upsample_above, int dx, int dy) {
(void)left;
(void)dy;
switch (bw) {
case 4:
dr_prediction_z1_4xN_avx2(bh, dst, stride, above, upsample_above, dx);
break;
case 8:
dr_prediction_z1_8xN_avx2(bh, dst, stride, above, upsample_above, dx);
break;
case 16:
dr_prediction_z1_16xN_avx2(bh, dst, stride, above, upsample_above, dx);
break;
case 32:
dr_prediction_z1_32xN_avx2(bh, dst, stride, above, upsample_above, dx);
break;
case 64:
dr_prediction_z1_64xN_avx2(bh, dst, stride, above, upsample_above, dx);
break;
default: break;
}
return;
}
static void dr_prediction_z2_Nx4_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left,
int upsample_above, int upsample_left,
int dx, int dy) {
const int min_base_x = -(1 << upsample_above);
const int min_base_y = -(1 << 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
__m128i a0_x, a1_x, a32, a16, diff;
__m128i c3f, min_base_y128, c1234, dy128;
a16 = _mm_set1_epi16(16);
c3f = _mm_set1_epi16(0x3f);
min_base_y128 = _mm_set1_epi16(min_base_y);
c1234 = _mm_setr_epi16(0, 1, 2, 3, 4, 0, 0, 0);
dy128 = _mm_set1_epi16(dy);
for (int r = 0; r < N; r++) {
__m128i b, res, shift, r6, ydx;
__m128i resx, resy, resxy;
__m128i a0_x128, a1_x128;
int y = r + 1;
int base_x = (-y * 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 = _mm_setzero_si128();
a1_x = _mm_setzero_si128();
shift = _mm_setzero_si128();
} else {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift));
ydx = _mm_set1_epi16(y * dx);
r6 = _mm_slli_epi16(c1234, 6);
if (upsample_above) {
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)EvenOddMaskx[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 8);
shift = _mm_srli_epi16(
_mm_and_si128(
_mm_slli_epi16(_mm_sub_epi16(r6, ydx), upsample_above), c3f),
1);
} else {
a0_x128 = _mm_shuffle_epi8(a0_x128, *(__m128i *)LoadMaskx[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 1);
shift = _mm_srli_epi16(_mm_and_si128(_mm_sub_epi16(r6, ydx), c3f), 1);
}
a0_x = _mm_cvtepu8_epi16(a0_x128);
a1_x = _mm_cvtepu8_epi16(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 y_c128, base_y_c128, mask128, c1234_;
c1234_ = _mm_srli_si128(c1234, 2);
r6 = _mm_set1_epi16(r << 6);
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);
base_y_c128 = _mm_add_epi16(base_y_c128, _mm_srli_epi16(a16, 4));
_mm_store_si128((__m128i *)base_y_c, base_y_c128);
a1_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);
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 = _mm_unpacklo_epi64(a0_x, a0_y);
a1_x = _mm_unpacklo_epi64(a1_x, a1_y);
shift = _mm_unpacklo_epi64(shift, shifty);
}
diff = _mm_sub_epi16(a1_x, a0_x); // a[x+1] - a[x]
a32 = _mm_slli_epi16(a0_x, 5); // a[x] * 32
a32 = _mm_add_epi16(a32, a16); // a[x] * 32 + 16
b = _mm_mullo_epi16(diff, shift);
res = _mm_add_epi16(a32, b);
res = _mm_srli_epi16(res, 5);
resx = _mm_packus_epi16(res, res);
resy = _mm_srli_si128(resx, 4);
resxy = _mm_blendv_epi8(resx, resy, *(__m128i *)BaseMask[base_min_diff]);
*(int *)(dst) = _mm_cvtsi128_si32(resxy);
dst += stride;
}
}
static void dr_prediction_z2_Nx8_avx2(int N, uint8_t *dst, ptrdiff_t stride,
const uint8_t *above, const uint8_t *left,
int upsample_above, int upsample_left,
int dx, int dy) {
const int min_base_x = -(1 << upsample_above);
const int min_base_y = -(1 << 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 diff, a32, a16;
__m256i a0_x, a1_x;
__m128i a0_x128, a1_x128, min_base_y128, c3f;
__m128i c1234, dy128;
a16 = _mm256_set1_epi16(16);
c3f = _mm_set1_epi16(0x3f);
min_base_y128 = _mm_set1_epi16(min_base_y);
dy128 = _mm_set1_epi16(dy);
c1234 = _mm_setr_epi16(1, 2, 3, 4, 5, 6, 7, 8);
for (int r = 0; r < N; r++) {
__m256i b, res, shift;
__m128i resx, resy, resxy, r6, ydx;
int y = r + 1;
int base_x = (-y * 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));
ydx = _mm_set1_epi16(y * dx);
r6 = _mm_slli_epi16(_mm_srli_si128(c1234, 2), 6);
if (upsample_above) {
a0_x128 =
_mm_shuffle_epi8(a0_x128, *(__m128i *)EvenOddMaskx[base_shift]);
a1_x128 = _mm_srli_si128(a0_x128, 8);
shift = _mm256_castsi128_si256(_mm_srli_epi16(
_mm_and_si128(
_mm_slli_epi16(_mm_sub_epi16(r6, ydx), upsample_above), c3f),
1));
} else {
a1_x128 = _mm_srli_si128(a0_x128, 1);
a0_x128 = _mm_shuffle_epi8(a0_x128, *(__m128i *)LoadMaskx[base_shift]);
a1_x128 = _mm_shuffle_epi8(a1_x128, *(__m128i *)LoadMaskx[base_shift]);
shift = _mm256_castsi128_si256(
_mm_srli_epi16(_mm_and_si128(_mm_sub_epi16(r6, ydx), c3f), 1));
}
a0_x = _mm256_castsi128_si256(_mm_cvtepu8_epi16(a0_x128));
a1_x = _mm256_castsi128_si256(_mm_cvtepu8_epi16(a1_x128));
}
// y calc
__m128i a0_y, a1_y, shifty;
if (base_x < min_base_x) {
DECLARE_ALIGNED(32, int16_t, base_y_c[16]);
__m128i y_c128, base_y_c128, mask128;
r6 = _mm_set1_epi16(r << 6);
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]]);
base_y_c128 = _mm_add_epi16(
base_y_c128, _mm_srli_epi16(_mm256_castsi256_si128(a16), 4));
_mm_store_si128((__m128i *)base_y_c, base_y_c128);
a1_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]]);
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 = _mm_packus_epi16(_mm256_castsi256_si128(res),
_mm256_castsi256_si128(res));
resy = _mm256_extracti128_si256(res, 1);
resy = _mm_packus_epi16(resy, resy);
resxy = _mm_blendv_epi8(resx, resy, *(__m128i *)BaseMask[base_min_diff]);
_mm_storel_epi64((__m128i *)(dst), resxy);
dst += stride;
}
}
static void dr_prediction_z2_HxW_avx2(int H, int W, uint8_t *dst,
ptrdiff_t stride, const uint8_t *above,
const uint8_t *left, int upsample_above,
int upsample_left, int dx, int dy) {
// here upsample_above and upsample_left are 0 by design of
// av1_use_intra_edge_upsample
const int min_base_x = -1;
const int min_base_y = -1;
(void)upsample_above;
(void)upsample_left;
const int frac_bits_x = 6;
const int frac_bits_y = 6;
__m256i a0_x, a1_x, a0_y, a1_y, a32, a16, c1234, c0123;
__m256i diff, min_base_y256, c3f, shifty, dy256, c1;
__m128i a0_x128, a1_x128;
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);
for (int r = 0; r < H; r++) {
__m256i b, res, shift, j256, r6, ydx;
__m128i resx, resy;
__m128i resxy;
int y = r + 1;
ydx = _mm256_set1_epi16((int16_t)(y * dx));
int base_x = (-y * dx) >> frac_bits_x;
for (int j = 0; j < W; j += 16) {
j256 = _mm256_set1_epi16(j);
int base_shift = 0;
if ((base_x + j) < (min_base_x - 1)) {
base_shift = (min_base_x - (base_x + j) - 1);
}
int base_min_diff = (min_base_x - base_x - j);
if (base_min_diff > 16) {
base_min_diff = 16;
} else {
if (base_min_diff < 0) base_min_diff = 0;
}
if (base_shift < 16) {
a0_x128 = _mm_loadu_si128((__m128i *)(above + base_x + base_shift + j));
a1_x128 =
_mm_loadu_si128((__m128i *)(above + base_x + base_shift + 1 + j));
a0_x128 = _mm_shuffle_epi8(a0_x128, *(__m128i *)LoadMaskx[base_shift]);
a1_x128 = _mm_shuffle_epi8(a1_x128, *(__m128i *)LoadMaskx[base_shift]);
a0_x = _mm256_cvtepu8_epi16(a0_x128);
a1_x = _mm256_cvtepu8_epi16(a1_x128);
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);
res = _mm256_srli_epi16(res, 5); // 16 16-bit values
resx = _mm256_castsi256_si128(_mm256_packus_epi16(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1))));
} else {
resx = _mm_setzero_si128();
}
// y calc
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);
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_blendv_epi8(base_y_c256, min_base_y256, mask256);
int16_t min_y = (int16_t)_mm_extract_epi16(
_mm256_extracti128_si256(base_y_c256, 1), 7);
int16_t max_y =
(int16_t)_mm_extract_epi16(_mm256_castsi256_si128(base_y_c256), 0);
int16_t offset_diff = max_y - min_y;
if (offset_diff < 16) {
__m256i min_y256 = _mm256_set1_epi16(min_y);
__m256i base_y_offset = _mm256_sub_epi16(base_y_c256, min_y256);
__m128i base_y_offset128 =
_mm_packs_epi16(_mm256_extracti128_si256(base_y_offset, 0),
_mm256_extracti128_si256(base_y_offset, 1));
__m128i a0_y128 = _mm_maskload_epi32(
(int *)(left + min_y), *(__m128i *)LoadMaskz2[offset_diff / 4]);
__m128i a1_y128 =
_mm_maskload_epi32((int *)(left + min_y + 1),
*(__m128i *)LoadMaskz2[offset_diff / 4]);
a0_y128 = _mm_shuffle_epi8(a0_y128, base_y_offset128);
a1_y128 = _mm_shuffle_epi8(a1_y128, base_y_offset128);
a0_y = _mm256_cvtepu8_epi16(a0_y128);
a1_y = _mm256_cvtepu8_epi16(a1_y128);
} else {
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);
res = _mm256_srli_epi16(res, 5); // 16 16-bit values
resy = _mm256_castsi256_si128(_mm256_packus_epi16(
res, _mm256_castsi128_si256(_mm256_extracti128_si256(res, 1))));
} else {
resy = _mm_setzero_si128();
}
resxy = _mm_blendv_epi8(resx, resy, *(__m128i *)BaseMask[base_min_diff]);
_mm_storeu_si128((__m128i *)(dst + j), resxy);
} // for j
dst += stride;
}
}
// Directional prediction, zone 2: 90 < angle < 180
void av1_dr_prediction_z2_avx2(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
const uint8_t *above, const uint8_t *left,
int upsample_above, int upsample_left, int dx,
int dy) {
assert(dx > 0);
assert(dy > 0);
switch (bw) {
case 4:
dr_prediction_z2_Nx4_avx2(bh, dst, stride, above, left, upsample_above,
upsample_left, dx, dy);
break;
case 8:
dr_prediction_z2_Nx8_avx2(bh, dst, stride, above, left, upsample_above,
upsample_left, dx, dy);
break;
default:
dr_prediction_z2_HxW_avx2(bh, bw, dst, stride, above, left,
upsample_above, upsample_left, dx, dy);
break;
}
return;
}
// z3 functions
static inline void transpose16x32_avx2(__m256i *x, __m256i *d) {
__m256i w0, w1, w2, w3, w4, w5, w6, w7, w8, w9;
__m256i w10, w11, w12, w13, w14, w15;
w0 = _mm256_unpacklo_epi8(x[0], x[1]);
w1 = _mm256_unpacklo_epi8(x[2], x[3]);
w2 = _mm256_unpacklo_epi8(x[4], x[5]);
w3 = _mm256_unpacklo_epi8(x[6], x[7]);
w8 = _mm256_unpacklo_epi8(x[8], x[9]);
w9 = _mm256_unpacklo_epi8(x[10], x[11]);
w10 = _mm256_unpacklo_epi8(x[12], x[13]);
w11 = _mm256_unpacklo_epi8(x[14], x[15]);
w4 = _mm256_unpacklo_epi16(w0, w1);
w5 = _mm256_unpacklo_epi16(w2, w3);
w12 = _mm256_unpacklo_epi16(w8, w9);
w13 = _mm256_unpacklo_epi16(w10, w11);
w6 = _mm256_unpacklo_epi32(w4, w5);
w7 = _mm256_unpackhi_epi32(w4, w5);
w14 = _mm256_unpacklo_epi32(w12, w13);
w15 = _mm256_unpackhi_epi32(w12, w13);
// Store first 4-line result
d[0] = _mm256_unpacklo_epi64(w6, w14);
d[1] = _mm256_unpackhi_epi64(w6, w14);
d[2] = _mm256_unpacklo_epi64(w7, w15);
d[3] = _mm256_unpackhi_epi64(w7, w15);
w4 = _mm256_unpackhi_epi16(w0, w1);
w5 = _mm256_unpackhi_epi16(w2, w3);
w12 = _mm256_unpackhi_epi16(w8, w9);
w13 = _mm256_unpackhi_epi16(w10, w11);
w6 = _mm256_unpacklo_epi32(w4, w5);
w7 = _mm256_unpackhi_epi32(w4, w5);
w14 = _mm256_unpacklo_epi32(w12, w13);
w15 = _mm256_unpackhi_epi32(w12, w13);
// Store second 4-line result
d[4] = _mm256_unpacklo_epi64(w6, w14);
d[5] = _mm256_unpackhi_epi64(w6, w14);
d[6] = _mm256_unpacklo_epi64(w7, w15);
d[7] = _mm256_unpackhi_epi64(w7, w15);
// upper half
w0 = _mm256_unpackhi_epi8(x[0], x[1]);
w1 = _mm256_unpackhi_epi8(x[2], x[3]);
w2 = _mm256_unpackhi_epi8(x[4], x[5]);
w3 = _mm256_unpackhi_epi8(x[6], x[7]);
w8 = _mm256_unpackhi_epi8(x[8], x[9]);
w9 = _mm256_unpackhi_epi8(x[10], x[11]);
w10 = _mm256_unpackhi_epi8(x[12], x[13]);
w11 = _mm256_unpackhi_epi8(x[14], x[15]);
w4 = _mm256_unpacklo_epi16(w0, w1);
w5 = _mm256_unpacklo_epi16(w2, w3);
w12 = _mm256_unpacklo_epi16(w8, w9);
w13 = _mm256_unpacklo_epi16(w10, w11);
w6 = _mm256_unpacklo_epi32(w4, w5);
w7 = _mm256_unpackhi_epi32(w4, w5);
w14 = _mm256_unpacklo_epi32(w12, w13);
w15 = _mm256_unpackhi_epi32(w12, w13);
// Store first 4-line result
d[8] = _mm256_unpacklo_epi64(w6, w14);
d[9] = _mm256_unpackhi_epi64(w6, w14);
d[10] = _mm256_unpacklo_epi64(w7, w15);
d[11] = _mm256_unpackhi_epi64(w7, w15);
w4 = _mm256_unpackhi_epi16(w0, w1);
w5 = _mm256_unpackhi_epi16(w2, w3);
w12 = _mm256_unpackhi_epi16(w8, w9);
w13 = _mm256_unpackhi_epi16(w10, w11);
w6 = _mm256_unpacklo_epi32(w4, w5);
w7 = _mm256_unpackhi_epi32(w4, w5);
w14 = _mm256_unpacklo_epi32(w12, w13);
w15 = _mm256_unpackhi_epi32(w12, w13);
// Store second 4-line result
d[12] = _mm256_unpacklo_epi64(w6, w14);
d[13] = _mm256_unpackhi_epi64(w6, w14);
d[14] = _mm256_unpacklo_epi64(w7, w15);
d[15] = _mm256_unpackhi_epi64(w7, w15);
}
static void dr_prediction_z3_4x4_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[4], d[4];
dr_prediction_z1_HxW_internal_avx2(4, 4, dstvec, left, upsample_left, dy);
transpose4x8_8x4_low_sse2(&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3],
&d[0], &d[1], &d[2], &d[3]);
*(int *)(dst + stride * 0) = _mm_cvtsi128_si32(d[0]);
*(int *)(dst + stride * 1) = _mm_cvtsi128_si32(d[1]);
*(int *)(dst + stride * 2) = _mm_cvtsi128_si32(d[2]);
*(int *)(dst + stride * 3) = _mm_cvtsi128_si32(d[3]);
return;
}
static void dr_prediction_z3_8x8_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[8], d[8];
dr_prediction_z1_HxW_internal_avx2(8, 8, dstvec, left, upsample_left, dy);
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]);
_mm_storel_epi64((__m128i *)(dst + 0 * stride), d[0]);
_mm_storel_epi64((__m128i *)(dst + 1 * stride), _mm_srli_si128(d[0], 8));
_mm_storel_epi64((__m128i *)(dst + 2 * stride), d[1]);
_mm_storel_epi64((__m128i *)(dst + 3 * stride), _mm_srli_si128(d[1], 8));
_mm_storel_epi64((__m128i *)(dst + 4 * stride), d[2]);
_mm_storel_epi64((__m128i *)(dst + 5 * stride), _mm_srli_si128(d[2], 8));
_mm_storel_epi64((__m128i *)(dst + 6 * stride), d[3]);
_mm_storel_epi64((__m128i *)(dst + 7 * stride), _mm_srli_si128(d[3], 8));
}
static void dr_prediction_z3_4x8_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[4], d[8];
dr_prediction_z1_HxW_internal_avx2(8, 4, dstvec, left, upsample_left, dy);
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++) {
*(int *)(dst + stride * i) = _mm_cvtsi128_si32(d[i]);
}
}
static void dr_prediction_z3_8x4_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[8], d[4];
dr_prediction_z1_HxW_internal_avx2(4, 8, dstvec, left, upsample_left, dy);
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_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]);
}
static void dr_prediction_z3_8x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[8], d[8];
dr_prediction_z1_HxW_internal_avx2(16, 8, dstvec, left, upsample_left, dy);
transpose8x16_16x8_sse2(dstvec, dstvec + 1, dstvec + 2, dstvec + 3,
dstvec + 4, dstvec + 5, dstvec + 6, dstvec + 7, d,
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]);
_mm_storel_epi64((__m128i *)(dst + (i + 8) * stride),
_mm_srli_si128(d[i], 8));
}
}
static void dr_prediction_z3_16x8_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[16], d[16];
dr_prediction_z1_HxW_internal_avx2(8, 16, dstvec, left, upsample_left, dy);
transpose16x8_8x16_sse2(
&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3], &dstvec[4], &dstvec[5],
&dstvec[6], &dstvec[7], &dstvec[8], &dstvec[9], &dstvec[10], &dstvec[11],
&dstvec[12], &dstvec[13], &dstvec[14], &dstvec[15], &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]);
}
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
static void dr_prediction_z3_4x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[4], d[16];
dr_prediction_z1_HxW_internal_avx2(16, 4, dstvec, left, upsample_left, dy);
transpose4x16_sse2(dstvec, d);
for (int i = 0; i < 16; i++) {
*(int *)(dst + stride * i) = _mm_cvtsi128_si32(d[i]);
}
}
static void dr_prediction_z3_16x4_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[16], d[8];
dr_prediction_z1_HxW_internal_avx2(4, 16, dstvec, left, upsample_left, dy);
for (int i = 4; i < 8; i++) {
d[i] = _mm_setzero_si128();
}
transpose16x8_8x16_sse2(
&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3], &dstvec[4], &dstvec[5],
&dstvec[6], &dstvec[7], &dstvec[8], &dstvec[9], &dstvec[10], &dstvec[11],
&dstvec[12], &dstvec[13], &dstvec[14], &dstvec[15], &d[0], &d[1], &d[2],
&d[3], &d[4], &d[5], &d[6], &d[7]);
for (int i = 0; i < 4; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride), d[i]);
}
}
static void dr_prediction_z3_8x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m256i dstvec[16], d[16];
dr_prediction_z1_32xN_internal_avx2(8, dstvec, left, upsample_left, dy);
for (int i = 8; i < 16; i++) {
dstvec[i] = _mm256_setzero_si256();
}
transpose16x32_avx2(dstvec, d);
for (int i = 0; i < 16; i++) {
_mm_storel_epi64((__m128i *)(dst + i * stride),
_mm256_castsi256_si128(d[i]));
}
for (int i = 0; i < 16; i++) {
_mm_storel_epi64((__m128i *)(dst + (i + 16) * stride),
_mm256_extracti128_si256(d[i], 1));
}
}
static void dr_prediction_z3_32x8_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[32], d[16];
dr_prediction_z1_HxW_internal_avx2(8, 32, dstvec, left, upsample_left, dy);
transpose16x8_8x16_sse2(
&dstvec[0], &dstvec[1], &dstvec[2], &dstvec[3], &dstvec[4], &dstvec[5],
&dstvec[6], &dstvec[7], &dstvec[8], &dstvec[9], &dstvec[10], &dstvec[11],
&dstvec[12], &dstvec[13], &dstvec[14], &dstvec[15], &d[0], &d[1], &d[2],
&d[3], &d[4], &d[5], &d[6], &d[7]);
transpose16x8_8x16_sse2(
&dstvec[0 + 16], &dstvec[1 + 16], &dstvec[2 + 16], &dstvec[3 + 16],
&dstvec[4 + 16], &dstvec[5 + 16], &dstvec[6 + 16], &dstvec[7 + 16],
&dstvec[8 + 16], &dstvec[9 + 16], &dstvec[10 + 16], &dstvec[11 + 16],
&dstvec[12 + 16], &dstvec[13 + 16], &dstvec[14 + 16], &dstvec[15 + 16],
&d[0 + 8], &d[1 + 8], &d[2 + 8], &d[3 + 8], &d[4 + 8], &d[5 + 8],
&d[6 + 8], &d[7 + 8]);
for (int i = 0; i < 8; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride), d[i]);
_mm_storeu_si128((__m128i *)(dst + i * stride + 16), d[i + 8]);
}
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
static void dr_prediction_z3_16x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[16], d[16];
dr_prediction_z1_HxW_internal_avx2(16, 16, dstvec, left, upsample_left, dy);
transpose16x16_sse2(dstvec, d);
for (int i = 0; i < 16; i++) {
_mm_storeu_si128((__m128i *)(dst + i * stride), d[i]);
}
}
static void dr_prediction_z3_32x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m256i dstvec[32], d[32];
dr_prediction_z1_32xN_internal_avx2(32, dstvec, left, upsample_left, dy);
transpose16x32_avx2(dstvec, d);
transpose16x32_avx2(dstvec + 16, d + 16);
for (int j = 0; j < 16; j++) {
_mm_storeu_si128((__m128i *)(dst + j * stride),
_mm256_castsi256_si128(d[j]));
_mm_storeu_si128((__m128i *)(dst + j * stride + 16),
_mm256_castsi256_si128(d[j + 16]));
}
for (int j = 0; j < 16; j++) {
_mm_storeu_si128((__m128i *)(dst + (j + 16) * stride),
_mm256_extracti128_si256(d[j], 1));
_mm_storeu_si128((__m128i *)(dst + (j + 16) * stride + 16),
_mm256_extracti128_si256(d[j + 16], 1));
}
}
static void dr_prediction_z3_64x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
DECLARE_ALIGNED(16, uint8_t, dstT[64 * 64]);
dr_prediction_z1_64xN_avx2(64, dstT, 64, left, upsample_left, dy);
transpose(dstT, 64, dst, stride, 64, 64);
}
static void dr_prediction_z3_16x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m256i dstvec[16], d[16];
dr_prediction_z1_32xN_internal_avx2(16, dstvec, left, upsample_left, dy);
transpose16x32_avx2(dstvec, d);
// store
for (int j = 0; j < 16; j++) {
_mm_storeu_si128((__m128i *)(dst + j * stride),
_mm256_castsi256_si128(d[j]));
_mm_storeu_si128((__m128i *)(dst + (j + 16) * stride),
_mm256_extracti128_si256(d[j], 1));
}
}
static void dr_prediction_z3_32x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[32], d[16];
dr_prediction_z1_HxW_internal_avx2(16, 32, dstvec, left, upsample_left, dy);
for (int i = 0; i < 32; i += 16) {
transpose16x16_sse2((dstvec + i), d);
for (int j = 0; j < 16; j++) {
_mm_storeu_si128((__m128i *)(dst + j * stride + i), d[j]);
}
}
}
static void dr_prediction_z3_32x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
uint8_t dstT[64 * 32];
dr_prediction_z1_64xN_avx2(32, dstT, 64, left, upsample_left, dy);
transpose(dstT, 64, dst, stride, 32, 64);
}
static void dr_prediction_z3_64x32_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
uint8_t dstT[32 * 64];
dr_prediction_z1_32xN_avx2(64, dstT, 32, left, upsample_left, dy);
transpose(dstT, 32, dst, stride, 64, 32);
return;
}
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
static void dr_prediction_z3_16x64_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
uint8_t dstT[64 * 16];
dr_prediction_z1_64xN_avx2(16, dstT, 64, left, upsample_left, dy);
transpose(dstT, 64, dst, stride, 16, 64);
}
static void dr_prediction_z3_64x16_avx2(uint8_t *dst, ptrdiff_t stride,
const uint8_t *left, int upsample_left,
int dy) {
__m128i dstvec[64], d[16];
dr_prediction_z1_HxW_internal_avx2(16, 64, dstvec, left, upsample_left, dy);
for (int i = 0; i < 64; i += 16) {
transpose16x16_sse2((dstvec + i), d);
for (int j = 0; j < 16; j++) {
_mm_storeu_si128((__m128i *)(dst + j * stride + i), d[j]);
}
}
}
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
void av1_dr_prediction_z3_avx2(uint8_t *dst, ptrdiff_t stride, int bw, int bh,
const uint8_t *above, const uint8_t *left,
int upsample_left, int dx, int dy) {
(void)above;
(void)dx;
assert(dx == 1);
assert(dy > 0);
if (bw == bh) {
switch (bw) {
case 4:
dr_prediction_z3_4x4_avx2(dst, stride, left, upsample_left, dy);
break;
case 8:
dr_prediction_z3_8x8_avx2(dst, stride, left, upsample_left, dy);
break;
case 16:
dr_prediction_z3_16x16_avx2(dst, stride, left, upsample_left, dy);
break;
case 32:
dr_prediction_z3_32x32_avx2(dst, stride, left, upsample_left, dy);
break;
case 64:
dr_prediction_z3_64x64_avx2(dst, stride, left, upsample_left, dy);
break;
}
} else {
if (bw < bh) {
if (bw + bw == bh) {
switch (bw) {
case 4:
dr_prediction_z3_4x8_avx2(dst, stride, left, upsample_left, dy);
break;
case 8:
dr_prediction_z3_8x16_avx2(dst, stride, left, upsample_left, dy);
break;
case 16:
dr_prediction_z3_16x32_avx2(dst, stride, left, upsample_left, dy);
break;
case 32:
dr_prediction_z3_32x64_avx2(dst, stride, left, upsample_left, dy);
break;
}
} else {
switch (bw) {
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
case 4:
dr_prediction_z3_4x16_avx2(dst, stride, left, upsample_left, dy);
break;
case 8:
dr_prediction_z3_8x32_avx2(dst, stride, left, upsample_left, dy);
break;
case 16:
dr_prediction_z3_16x64_avx2(dst, stride, left, upsample_left, dy);
break;
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
}
}
} else {
if (bh + bh == bw) {
switch (bh) {
case 4:
dr_prediction_z3_8x4_avx2(dst, stride, left, upsample_left, dy);
break;
case 8:
dr_prediction_z3_16x8_avx2(dst, stride, left, upsample_left, dy);
break;
case 16:
dr_prediction_z3_32x16_avx2(dst, stride, left, upsample_left, dy);
break;
case 32:
dr_prediction_z3_64x32_avx2(dst, stride, left, upsample_left, dy);
break;
}
} else {
switch (bh) {
#if !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
case 4:
dr_prediction_z3_16x4_avx2(dst, stride, left, upsample_left, dy);
break;
case 8:
dr_prediction_z3_32x8_avx2(dst, stride, left, upsample_left, dy);
break;
case 16:
dr_prediction_z3_64x16_avx2(dst, stride, left, upsample_left, dy);
break;
#endif // !CONFIG_REALTIME_ONLY || CONFIG_AV1_DECODER
}
}
}
}
}