static INLINE unsigned int highbd_masked_sad16xh_avx2(
const uint8_t *src8, int src_stride, const uint8_t *a8, int a_stride,
const uint8_t *b8, int b_stride, const uint8_t *m_ptr, int m_stride,
int width, int height) {
const uint16_t *src_ptr = CONVERT_TO_SHORTPTR(src8);
const uint16_t *a_ptr = CONVERT_TO_SHORTPTR(a8);
const uint16_t *b_ptr = CONVERT_TO_SHORTPTR(b8);
int x, y;
__m256i res = _mm256_setzero_si256();
const __m256i mask_max = _mm256_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
const __m256i round_const =
_mm256_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
const __m256i one = _mm256_set1_epi16(1);
for (y = 0; y < height; y++) {
for (x = 0; x < width; x += 16) {
const __m256i src = _mm256_lddqu_si256((const __m256i *)&src_ptr[x]);
const __m256i a = _mm256_lddqu_si256((const __m256i *)&a_ptr[x]);
const __m256i b = _mm256_lddqu_si256((const __m256i *)&b_ptr[x]);
// Zero-extend mask to 16 bits
const __m256i m =
_mm256_cvtepu8_epi16(_mm_lddqu_si128((const __m128i *)&m_ptr[x]));
const __m256i m_inv = _mm256_sub_epi16(mask_max, m);
const __m256i data_l = _mm256_unpacklo_epi16(a, b);
const __m256i mask_l = _mm256_unpacklo_epi16(m, m_inv);
__m256i pred_l = _mm256_madd_epi16(data_l, mask_l);
pred_l = _mm256_srai_epi32(_mm256_add_epi32(pred_l, round_const),
AOM_BLEND_A64_ROUND_BITS);
const __m256i data_r = _mm256_unpackhi_epi16(a, b);
const __m256i mask_r = _mm256_unpackhi_epi16(m, m_inv);
__m256i pred_r = _mm256_madd_epi16(data_r, mask_r);
pred_r = _mm256_srai_epi32(_mm256_add_epi32(pred_r, round_const),
AOM_BLEND_A64_ROUND_BITS);
// Note: the maximum value in pred_l/r is (2^bd)-1 < 2^15,
// so it is safe to do signed saturation here.
const __m256i pred = _mm256_packs_epi32(pred_l, pred_r);
// There is no 16-bit SAD instruction, so we have to synthesize
// an 8-element SAD. We do this by storing 4 32-bit partial SADs,
// and accumulating them at the end
const __m256i diff = _mm256_abs_epi16(_mm256_sub_epi16(pred, src));
res = _mm256_add_epi32(res, _mm256_madd_epi16(diff, one));
}
src_ptr += src_stride;
a_ptr += a_stride;
b_ptr += b_stride;
m_ptr += m_stride;
}
// At this point, we have four 32-bit partial SADs stored in 'res'.
res = _mm256_hadd_epi32(res, res);
res = _mm256_hadd_epi32(res, res);
int sad = _mm256_extract_epi32(res, 0) + _mm256_extract_epi32(res, 4);
return (sad + 31) >> 6;
}
static void satd_8bit_4x4_dual_avx2(
const pred_buffer preds, const kvz_pixel * const orig, unsigned num_modes, unsigned *satds_out)
{
__m256i original = _mm256_broadcastsi128_si256(_mm_cvtepu8_epi16(_mm_loadl_epi64((__m128i*)orig)));
__m256i pred = _mm256_cvtepu8_epi16(_mm_loadl_epi64((__m128i*)preds[0]));
pred = _mm256_inserti128_si256(pred, _mm_cvtepu8_epi16(_mm_loadl_epi64((__m128i*)preds[1])), 1);
__m256i diff_lo = _mm256_sub_epi16(pred, original);
original = _mm256_broadcastsi128_si256(_mm_cvtepu8_epi16(_mm_loadl_epi64((__m128i*)(orig + 8))));
pred = _mm256_cvtepu8_epi16(_mm_loadl_epi64((__m128i*)(preds[0] + 8)));
pred = _mm256_inserti128_si256(pred, _mm_cvtepu8_epi16(_mm_loadl_epi64((__m128i*)(preds[1] + 8))), 1);
__m256i diff_hi = _mm256_sub_epi16(pred, original);
//Hor
__m256i row0 = _mm256_hadd_epi16(diff_lo, diff_hi);
__m256i row1 = _mm256_hsub_epi16(diff_lo, diff_hi);
__m256i row2 = _mm256_hadd_epi16(row0, row1);
__m256i row3 = _mm256_hsub_epi16(row0, row1);
//Ver
row0 = _mm256_hadd_epi16(row2, row3);
row1 = _mm256_hsub_epi16(row2, row3);
row2 = _mm256_hadd_epi16(row0, row1);
row3 = _mm256_hsub_epi16(row0, row1);
//Abs and sum
row2 = _mm256_abs_epi16(row2);
row3 = _mm256_abs_epi16(row3);
row3 = _mm256_add_epi16(row2, row3);
row3 = _mm256_add_epi16(row3, _mm256_shuffle_epi32(row3, KVZ_PERMUTE(2, 3, 0, 1) ));
row3 = _mm256_add_epi16(row3, _mm256_shuffle_epi32(row3, KVZ_PERMUTE(1, 0, 1, 0) ));
row3 = _mm256_add_epi16(row3, _mm256_shufflelo_epi16(row3, KVZ_PERMUTE(1, 0, 1, 0) ));
unsigned sum1 = _mm_extract_epi16(_mm256_castsi256_si128(row3), 0);
sum1 = (sum1 + 1) >> 1;
unsigned sum2 = _mm_extract_epi16(_mm256_extracti128_si256(row3, 1), 0);
sum2 = (sum2 + 1) >> 1;
satds_out[0] = sum1;
satds_out[1] = sum2;
}
void fft128_2way( void *a )
{
int i;
// Temp space to help for interleaving in the end
__m256i B[8];
__m256i *A = (__m256i*) a;
// __m256i *Twiddle = (__m256i*)FFT128_Twiddle;
/* Size-2 butterflies */
for ( i = 0; i<8; i++ )
{
B[ i ] = _mm256_add_epi16( A[ i ], A[ i+8 ] );
B[ i ] = REDUCE_FULL_S( B[ i ] );
A[ i+8 ] = _mm256_sub_epi16( A[ i ], A[ i+8 ] );
A[ i+8 ] = REDUCE_FULL_S( A[ i+8 ] );
A[ i+8 ] = _mm256_mullo_epi16( A[ i+8 ], FFT128_Twiddle[i].m256i );
A[ i+8 ] = REDUCE_FULL_S( A[ i+8 ] );
}
fft64_2way( B );
fft64_2way( A+8 );
/* Transpose (i.e. interleave) */
for ( i = 0; i < 8; i++ )
{
A[ 2*i ] = _mm256_unpacklo_epi16( B[ i ], A[ i+8 ] );
A[ 2*i+1 ] = _mm256_unpackhi_epi16( B[ i ], A[ i+8 ] );
}
}
static INLINE __m256i calc_mask_avx2(const __m256i mask_base, const __m256i s0,
const __m256i s1) {
const __m256i diff = _mm256_abs_epi16(_mm256_sub_epi16(s0, s1));
return _mm256_abs_epi16(
_mm256_add_epi16(mask_base, _mm256_srli_epi16(diff, 4)));
// clamp(diff, 0, 64) can be skiped for diff is always in the range ( 38, 54)
}
void vpx_hadamard_32x32_avx2(const int16_t *src_diff, ptrdiff_t src_stride,
tran_low_t *coeff) {
#if CONFIG_VP9_HIGHBITDEPTH
// For high bitdepths, it is unnecessary to store_tran_low
// (mult/unpack/store), then load_tran_low (load/pack) the same memory in the
// next stage. Output to an intermediate buffer first, then store_tran_low()
// in the final stage.
DECLARE_ALIGNED(32, int16_t, temp_coeff[32 * 32]);
int16_t *t_coeff = temp_coeff;
#else
int16_t *t_coeff = coeff;
#endif
int idx;
for (idx = 0; idx < 4; ++idx) {
// src_diff: 9 bit, dynamic range [-255, 255]
const int16_t *src_ptr =
src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16;
hadamard_16x16_avx2(src_ptr, src_stride,
(tran_low_t *)(t_coeff + idx * 256), 0);
}
for (idx = 0; idx < 256; idx += 16) {
const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff);
const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 256));
const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 512));
const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 768));
__m256i b0 = _mm256_add_epi16(coeff0, coeff1);
__m256i b1 = _mm256_sub_epi16(coeff0, coeff1);
__m256i b2 = _mm256_add_epi16(coeff2, coeff3);
__m256i b3 = _mm256_sub_epi16(coeff2, coeff3);
b0 = _mm256_srai_epi16(b0, 2);
b1 = _mm256_srai_epi16(b1, 2);
b2 = _mm256_srai_epi16(b2, 2);
b3 = _mm256_srai_epi16(b3, 2);
store_tran_low(_mm256_add_epi16(b0, b2), coeff);
store_tran_low(_mm256_add_epi16(b1, b3), coeff + 256);
store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 512);
store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 768);
coeff += 16;
t_coeff += 16;
}
}
int64_t vp9_block_error_avx2(const int16_t *coeff,
const int16_t *dqcoeff,
intptr_t block_size,
int64_t *ssz) {
__m256i sse_reg, ssz_reg, coeff_reg, dqcoeff_reg;
__m256i exp_dqcoeff_lo, exp_dqcoeff_hi, exp_coeff_lo, exp_coeff_hi;
__m256i sse_reg_64hi, ssz_reg_64hi;
__m128i sse_reg128, ssz_reg128;
int64_t sse;
int i;
const __m256i zero_reg = _mm256_set1_epi16(0);
// init sse and ssz registerd to zero
sse_reg = _mm256_set1_epi16(0);
ssz_reg = _mm256_set1_epi16(0);
for (i = 0 ; i < block_size ; i+= 16) {
// load 32 bytes from coeff and dqcoeff
coeff_reg = _mm256_loadu_si256((const __m256i *)(coeff + i));
dqcoeff_reg = _mm256_loadu_si256((const __m256i *)(dqcoeff + i));
// dqcoeff - coeff
dqcoeff_reg = _mm256_sub_epi16(dqcoeff_reg, coeff_reg);
// madd (dqcoeff - coeff)
dqcoeff_reg = _mm256_madd_epi16(dqcoeff_reg, dqcoeff_reg);
// madd coeff
coeff_reg = _mm256_madd_epi16(coeff_reg, coeff_reg);
// expand each double word of madd (dqcoeff - coeff) to quad word
exp_dqcoeff_lo = _mm256_unpacklo_epi32(dqcoeff_reg, zero_reg);
exp_dqcoeff_hi = _mm256_unpackhi_epi32(dqcoeff_reg, zero_reg);
// expand each double word of madd (coeff) to quad word
exp_coeff_lo = _mm256_unpacklo_epi32(coeff_reg, zero_reg);
exp_coeff_hi = _mm256_unpackhi_epi32(coeff_reg, zero_reg);
// add each quad word of madd (dqcoeff - coeff) and madd (coeff)
sse_reg = _mm256_add_epi64(sse_reg, exp_dqcoeff_lo);
ssz_reg = _mm256_add_epi64(ssz_reg, exp_coeff_lo);
sse_reg = _mm256_add_epi64(sse_reg, exp_dqcoeff_hi);
ssz_reg = _mm256_add_epi64(ssz_reg, exp_coeff_hi);
}
// save the higher 64 bit of each 128 bit lane
sse_reg_64hi = _mm256_srli_si256(sse_reg, 8);
ssz_reg_64hi = _mm256_srli_si256(ssz_reg, 8);
// add the higher 64 bit to the low 64 bit
sse_reg = _mm256_add_epi64(sse_reg, sse_reg_64hi);
ssz_reg = _mm256_add_epi64(ssz_reg, ssz_reg_64hi);
// add each 64 bit from each of the 128 bit lane of the 256 bit
sse_reg128 = _mm_add_epi64(_mm256_castsi256_si128(sse_reg),
_mm256_extractf128_si256(sse_reg, 1));
ssz_reg128 = _mm_add_epi64(_mm256_castsi256_si128(ssz_reg),
_mm256_extractf128_si256(ssz_reg, 1));
// store the results
_mm_storel_epi64((__m128i*)(&sse), sse_reg128);
_mm_storel_epi64((__m128i*)(ssz), ssz_reg128);
return sse;
}
static FORCE_INLINE void FlowInterSimple_double_8px_AVX2(
int w, PixelType *pdst,
const PixelType *prefB, const PixelType *prefF,
const int16_t *VXFullB, const int16_t *VXFullF,
const int16_t *VYFullB, const int16_t *VYFullF,
const uint8_t *MaskB, const uint8_t *MaskF,
int nPelLog,
const __m256i &dwords_ref_pitch, const __m256i &dwords_hoffsets) {
__m256i dwords_w = _mm256_add_epi32(_mm256_set1_epi32(w << nPelLog), dwords_hoffsets); /// maybe do it another way
__m256i dstF = lookup_double_AVX2(VXFullF, VYFullF, prefF, w, dwords_ref_pitch, dwords_w);
__m256i dstB = lookup_double_AVX2(VXFullB, VYFullB, prefB, w, dwords_ref_pitch, dwords_w);
__m256i maskf = _mm256_cvtepu8_epi32(_mm_loadl_epi64((const __m128i *)&MaskF[w]));
__m256i maskb = _mm256_cvtepu8_epi32(_mm_loadl_epi64((const __m128i *)&MaskB[w]));
__m256i dstF_dstB = _mm256_add_epi32(dstF, dstB);
dstF_dstB = _mm256_slli_epi32(dstF_dstB, 8);
__m256i dst;
if (sizeof(PixelType) == 1) {
__m256i dstB_dstF = _mm256_sub_epi16(dstB, dstF);
__m256i maskf_maskb = _mm256_sub_epi16(maskf, maskb);
dst = _mm256_madd_epi16(dstB_dstF, maskf_maskb);
} else {
__m256i dstB_dstF = _mm256_sub_epi32(dstB, dstF);
__m256i maskf_maskb = _mm256_sub_epi32(maskf, maskb);
dst = _mm256_mullo_epi32(dstB_dstF, maskf_maskb);
}
dst = _mm256_add_epi32(dst, dstF_dstB);
dst = _mm256_srai_epi32(dst, 9);
dst = _mm256_packus_epi32(dst, dst);
dst = _mm256_permute4x64_epi64(dst, 0xe8); // 0b11101000 - copy third qword to second qword
__m128i dst128 = _mm256_castsi256_si128(dst);
if (sizeof(PixelType) == 1) {
dst128 = _mm_packus_epi16(dst128, dst128);
_mm_storel_epi64((__m128i *)&pdst[w], dst128);
} else {
_mm_storeu_si128((__m128i *)&pdst[w], dst128);
}
}
INLINE static __m256i diff_row_dual_avx2(const kvz_pixel *buf1, const kvz_pixel *buf2, const kvz_pixel *orig)
{
__m128i temp1 = _mm_loadl_epi64((__m128i*)buf1);
__m128i temp2 = _mm_loadl_epi64((__m128i*)buf2);
__m128i temp3 = _mm_loadl_epi64((__m128i*)orig);
__m256i buf1_row = _mm256_cvtepu8_epi16(_mm_unpacklo_epi64(temp1, temp2));
__m256i buf2_row = _mm256_cvtepu8_epi16(_mm_broadcastq_epi64(temp3));
return _mm256_sub_epi16(buf1_row, buf2_row);
}
// 32bpp optimized for 8-bit ARGB/RGBA. rmask should be 0x00FF,0x00FF,... etc
static inline __m256i stretchblt_line_bilinear_pixel_blend_avx_argb8(const __m256i cur,const __m256i nxt,const __m256i mul,const __m256i rmask) {
__m256i rc,gc;
__m256i rn,gn;
__m256i d,sum;
rc = _mm256_and_si256( cur ,rmask);
gc = _mm256_and_si256(_mm256_srli_epi16(cur,8),rmask);
rn = _mm256_and_si256( nxt ,rmask);
gn = _mm256_and_si256(_mm256_srli_epi16(nxt,8),rmask);
d = _mm256_sub_epi16(rn,rc);
sum = _mm256_add_epi16(rc,_mm256_mulhi_epi16(_mm256_add_epi16(d,d),mul));
d = _mm256_sub_epi16(gn,gc);
sum = _mm256_add_epi16(_mm256_slli_epi16(_mm256_add_epi16(gc,_mm256_mulhi_epi16(_mm256_add_epi16(d,d),mul)),8),sum);
return sum;
}
// 16bpp general R/G/B, usually 5/6/5 or 5/5/5
static inline __m256i stretchblt_line_bilinear_pixel_blend_avx_rgb16(const __m256i cur,const __m256i nxt,const __m256i mul,const __m256i rmask,const uint16_t rshift,const __m256i gmask,const uint16_t gshift,const __m256i bmask,const uint16_t bshift) {
__m256i rc,gc,bc;
__m256i rn,gn,bn;
__m256i d,sum;
rc = _mm256_and_si256(_mm256_srli_epi16(cur,rshift),rmask);
gc = _mm256_and_si256(_mm256_srli_epi16(cur,gshift),gmask);
bc = _mm256_and_si256(_mm256_srli_epi16(cur,bshift),bmask);
rn = _mm256_and_si256(_mm256_srli_epi16(nxt,rshift),rmask);
gn = _mm256_and_si256(_mm256_srli_epi16(nxt,gshift),gmask);
bn = _mm256_and_si256(_mm256_srli_epi16(nxt,bshift),bmask);
d = _mm256_sub_epi16(rn,rc);
sum = _mm256_slli_epi16(_mm256_add_epi16(rc,_mm256_mulhi_epi16(_mm256_add_epi16(d,d),mul)),rshift);
d = _mm256_sub_epi16(gn,gc);
sum = _mm256_add_epi16(_mm256_slli_epi16(_mm256_add_epi16(gc,_mm256_mulhi_epi16(_mm256_add_epi16(d,d),mul)),gshift),sum);
d = _mm256_sub_epi16(bn,bc);
sum = _mm256_add_epi16(_mm256_slli_epi16(_mm256_add_epi16(bc,_mm256_mulhi_epi16(_mm256_add_epi16(d,d),mul)),bshift),sum);
return sum;
}
static INLINE __m256i calc_mask_d16_inv_avx2(const __m256i *data_src0,
const __m256i *data_src1,
const __m256i *round_const,
const __m256i *mask_base_16,
const __m256i *clip_diff,
int round) {
const __m256i diffa = _mm256_subs_epu16(*data_src0, *data_src1);
const __m256i diffb = _mm256_subs_epu16(*data_src1, *data_src0);
const __m256i diff = _mm256_max_epu16(diffa, diffb);
const __m256i diff_round =
_mm256_srli_epi16(_mm256_adds_epu16(diff, *round_const), round);
const __m256i diff_factor = _mm256_srli_epi16(diff_round, DIFF_FACTOR_LOG2);
const __m256i diff_mask = _mm256_adds_epi16(diff_factor, *mask_base_16);
const __m256i diff_clamp = _mm256_min_epi16(diff_mask, *clip_diff);
const __m256i diff_const_16 = _mm256_sub_epi16(*clip_diff, diff_clamp);
return diff_const_16;
}
static INLINE void hadamard_16x16_avx2(const int16_t *src_diff,
ptrdiff_t src_stride, tran_low_t *coeff,
int is_final) {
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]);
int16_t *t_coeff = temp_coeff;
#else
int16_t *t_coeff = coeff;
#endif
int16_t *coeff16 = (int16_t *)coeff;
int idx;
for (idx = 0; idx < 2; ++idx) {
const int16_t *src_ptr = src_diff + idx * 8 * src_stride;
hadamard_8x8x2_avx2(src_ptr, src_stride, t_coeff + (idx * 64 * 2));
}
for (idx = 0; idx < 64; idx += 16) {
const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff);
const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64));
const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128));
const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192));
__m256i b0 = _mm256_add_epi16(coeff0, coeff1);
__m256i b1 = _mm256_sub_epi16(coeff0, coeff1);
__m256i b2 = _mm256_add_epi16(coeff2, coeff3);
__m256i b3 = _mm256_sub_epi16(coeff2, coeff3);
b0 = _mm256_srai_epi16(b0, 1);
b1 = _mm256_srai_epi16(b1, 1);
b2 = _mm256_srai_epi16(b2, 1);
b3 = _mm256_srai_epi16(b3, 1);
if (is_final) {
store_tran_low(_mm256_add_epi16(b0, b2), coeff);
store_tran_low(_mm256_add_epi16(b1, b3), coeff + 64);
store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 128);
store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 192);
coeff += 16;
} else {
_mm256_storeu_si256((__m256i *)coeff16, _mm256_add_epi16(b0, b2));
_mm256_storeu_si256((__m256i *)(coeff16 + 64), _mm256_add_epi16(b1, b3));
_mm256_storeu_si256((__m256i *)(coeff16 + 128), _mm256_sub_epi16(b0, b2));
_mm256_storeu_si256((__m256i *)(coeff16 + 192), _mm256_sub_epi16(b1, b3));
coeff16 += 16;
}
t_coeff += 16;
}
}
static INLINE __m256i highbd_comp_mask_pred_line_avx2(const __m256i s0,
const __m256i s1,
const __m256i a) {
const __m256i alpha_max = _mm256_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
const __m256i round_const =
_mm256_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
const __m256i a_inv = _mm256_sub_epi16(alpha_max, a);
const __m256i s_lo = _mm256_unpacklo_epi16(s0, s1);
const __m256i a_lo = _mm256_unpacklo_epi16(a, a_inv);
const __m256i pred_lo = _mm256_madd_epi16(s_lo, a_lo);
const __m256i pred_l = _mm256_srai_epi32(
_mm256_add_epi32(pred_lo, round_const), AOM_BLEND_A64_ROUND_BITS);
const __m256i s_hi = _mm256_unpackhi_epi16(s0, s1);
const __m256i a_hi = _mm256_unpackhi_epi16(a, a_inv);
const __m256i pred_hi = _mm256_madd_epi16(s_hi, a_hi);
const __m256i pred_h = _mm256_srai_epi32(
_mm256_add_epi32(pred_hi, round_const), AOM_BLEND_A64_ROUND_BITS);
const __m256i comp = _mm256_packs_epi32(pred_l, pred_h);
return comp;
}
void av1_build_compound_diffwtd_mask_highbd_avx2(
uint8_t *mask, DIFFWTD_MASK_TYPE mask_type, const uint8_t *src0,
int src0_stride, const uint8_t *src1, int src1_stride, int h, int w,
int bd) {
if (w < 16) {
av1_build_compound_diffwtd_mask_highbd_ssse3(
mask, mask_type, src0, src0_stride, src1, src1_stride, h, w, bd);
} else {
assert(mask_type == DIFFWTD_38 || mask_type == DIFFWTD_38_INV);
assert(bd >= 8);
assert((w % 16) == 0);
const __m256i y0 = _mm256_setzero_si256();
const __m256i yAOM_BLEND_A64_MAX_ALPHA =
_mm256_set1_epi16(AOM_BLEND_A64_MAX_ALPHA);
const int mask_base = 38;
const __m256i ymask_base = _mm256_set1_epi16(mask_base);
const uint16_t *ssrc0 = CONVERT_TO_SHORTPTR(src0);
const uint16_t *ssrc1 = CONVERT_TO_SHORTPTR(src1);
if (bd == 8) {
if (mask_type == DIFFWTD_38_INV) {
for (int i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
__m256i s0 = _mm256_loadu_si256((const __m256i *)&ssrc0[j]);
__m256i s1 = _mm256_loadu_si256((const __m256i *)&ssrc1[j]);
__m256i diff = _mm256_srai_epi16(
_mm256_abs_epi16(_mm256_sub_epi16(s0, s1)), DIFF_FACTOR_LOG2);
__m256i m = _mm256_min_epi16(
_mm256_max_epi16(y0, _mm256_add_epi16(diff, ymask_base)),
yAOM_BLEND_A64_MAX_ALPHA);
m = _mm256_sub_epi16(yAOM_BLEND_A64_MAX_ALPHA, m);
m = _mm256_packus_epi16(m, m);
m = _mm256_permute4x64_epi64(m, _MM_SHUFFLE(0, 0, 2, 0));
__m128i m0 = _mm256_castsi256_si128(m);
_mm_storeu_si128((__m128i *)&mask[j], m0);
}
ssrc0 += src0_stride;
ssrc1 += src1_stride;
mask += w;
}
} else {
for (int i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
__m256i s0 = _mm256_loadu_si256((const __m256i *)&ssrc0[j]);
__m256i s1 = _mm256_loadu_si256((const __m256i *)&ssrc1[j]);
__m256i diff = _mm256_srai_epi16(
_mm256_abs_epi16(_mm256_sub_epi16(s0, s1)), DIFF_FACTOR_LOG2);
__m256i m = _mm256_min_epi16(
_mm256_max_epi16(y0, _mm256_add_epi16(diff, ymask_base)),
yAOM_BLEND_A64_MAX_ALPHA);
m = _mm256_packus_epi16(m, m);
m = _mm256_permute4x64_epi64(m, _MM_SHUFFLE(0, 0, 2, 0));
__m128i m0 = _mm256_castsi256_si128(m);
_mm_storeu_si128((__m128i *)&mask[j], m0);
}
ssrc0 += src0_stride;
ssrc1 += src1_stride;
mask += w;
}
}
} else {
const __m128i xshift = xx_set1_64_from_32i(bd - 8 + DIFF_FACTOR_LOG2);
if (mask_type == DIFFWTD_38_INV) {
for (int i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
__m256i s0 = _mm256_loadu_si256((const __m256i *)&ssrc0[j]);
__m256i s1 = _mm256_loadu_si256((const __m256i *)&ssrc1[j]);
__m256i diff = _mm256_sra_epi16(
_mm256_abs_epi16(_mm256_sub_epi16(s0, s1)), xshift);
__m256i m = _mm256_min_epi16(
_mm256_max_epi16(y0, _mm256_add_epi16(diff, ymask_base)),
yAOM_BLEND_A64_MAX_ALPHA);
m = _mm256_sub_epi16(yAOM_BLEND_A64_MAX_ALPHA, m);
m = _mm256_packus_epi16(m, m);
m = _mm256_permute4x64_epi64(m, _MM_SHUFFLE(0, 0, 2, 0));
__m128i m0 = _mm256_castsi256_si128(m);
_mm_storeu_si128((__m128i *)&mask[j], m0);
}
ssrc0 += src0_stride;
ssrc1 += src1_stride;
mask += w;
}
} else {
for (int i = 0; i < h; ++i) {
for (int j = 0; j < w; j += 16) {
__m256i s0 = _mm256_loadu_si256((const __m256i *)&ssrc0[j]);
__m256i s1 = _mm256_loadu_si256((const __m256i *)&ssrc1[j]);
__m256i diff = _mm256_sra_epi16(
_mm256_abs_epi16(_mm256_sub_epi16(s0, s1)), xshift);
__m256i m = _mm256_min_epi16(
_mm256_max_epi16(y0, _mm256_add_epi16(diff, ymask_base)),
yAOM_BLEND_A64_MAX_ALPHA);
m = _mm256_packus_epi16(m, m);
m = _mm256_permute4x64_epi64(m, _MM_SHUFFLE(0, 0, 2, 0));
__m128i m0 = _mm256_castsi256_si128(m);
_mm_storeu_si128((__m128i *)&mask[j], m0);
}
ssrc0 += src0_stride;
ssrc1 += src1_stride;
mask += w;
}
}
}
}
}
__m256i test_mm256_sub_epi16(__m256i a, __m256i b) {
// CHECK: sub <16 x i16>
return _mm256_sub_epi16(a, b);
}
/*!
* \brief Subtract the two given values and return the result.
*/
ETL_STATIC_INLINE(avx_simd_short) sub(avx_simd_short lhs, avx_simd_short rhs) {
return _mm256_sub_epi16(lhs.value, rhs.value);
}
template <> SIMD_INLINE __m256i OperationBinary16i<SimdOperationBinary16iSubtraction>(const __m256i & a, const __m256i & b)
{
return _mm256_sub_epi16(a, b);
}
__m256i vOpen = _mm256_set1_epi16(open);
__m256i vGap = _mm256_set1_epi16(gap);
__m256i vZero = _mm256_set1_epi16(0);
__m256i vOne = _mm256_set1_epi16(1);
__m256i vN = _mm256_set1_epi16(N);
__m256i vNegOne = _mm256_set1_epi16(-1);
__m256i vI = _mm256_set_epi16(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15);
__m256i vJreset = _mm256_set_epi16(0,-1,-2,-3,-4,-5,-6,-7,-8,-9,-10,-11,-12,-13,-14,-15);
__m256i vMaxScore = vNegInf;
__m256i vMaxMatch = vNegInf;
__m256i vMaxSimilar = vNegInf;
__m256i vMaxLength = vNegInf;
__m256i vEndI = vNegInf;
__m256i vEndJ = vNegInf;
__m256i vILimit = _mm256_set1_epi16(s1Len);
__m256i vILimit1 = _mm256_sub_epi16(vILimit, vOne);
__m256i vJLimit = _mm256_set1_epi16(s2Len);
__m256i vJLimit1 = _mm256_sub_epi16(vJLimit, vOne);
/* convert _s1 from char to int in range 0-23 */
for (i=0; i<s1Len; ++i) {
s1[i] = matrix->mapper[(unsigned char)_s1[i]];
}
/* pad back of s1 with dummy values */
for (i=s1Len; i<s1Len_PAD; ++i) {
s1[i] = 0; /* point to first matrix row because we don't care */
}
/* convert _s2 from char to int in range 0-23 */
for (j=0; j<s2Len; ++j) {
s2[j] = matrix->mapper[(unsigned char)_s2[j]];
static FORCE_INLINE void FlowInterExtra_8px_AVX2(
int w, PixelType *pdst,
const PixelType *prefB, const PixelType *prefF,
const int16_t *VXFullB, const int16_t *VXFullF,
const int16_t *VYFullB, const int16_t *VYFullF,
const uint8_t *MaskB, const uint8_t *MaskF,
int nPelLog,
const int16_t *VXFullBB, const int16_t *VXFullFF,
const int16_t *VYFullBB, const int16_t *VYFullFF,
const __m256i &dwords_time256, const __m256i &dwords_256_time256,
const __m256i &dwords_ref_pitch, const __m256i &dwords_hoffsets) {
__m256i dwords_w = _mm256_add_epi32(_mm256_set1_epi32(w << nPelLog), dwords_hoffsets);
__m256i dstF = lookup_AVX2(VXFullF, VYFullF, prefF, w, dwords_time256, dwords_ref_pitch, dwords_w);
__m256i dstB = lookup_AVX2(VXFullB, VYFullB, prefB, w, dwords_256_time256, dwords_ref_pitch, dwords_w);
__m256i dstFF = lookup_AVX2(VXFullFF, VYFullFF, prefF, w, dwords_time256, dwords_ref_pitch, dwords_w);
__m256i dstBB = lookup_AVX2(VXFullBB, VYFullBB, prefB, w, dwords_256_time256, dwords_ref_pitch, dwords_w);
__m256i minfb = mm256_min_epu<PixelType>(dstF, dstB);
__m256i maxfb = mm256_max_epu<PixelType>(dstF, dstB);
__m256i medianBB = mm256_max_epu<PixelType>(minfb, mm256_min_epu<PixelType>(maxfb, dstBB));
__m256i medianFF = mm256_max_epu<PixelType>(minfb, mm256_min_epu<PixelType>(maxfb, dstFF));
__m256i maskf = _mm256_cvtepu8_epi32(_mm_loadl_epi64((const __m128i *)&MaskF[w]));
__m256i maskb = _mm256_cvtepu8_epi32(_mm_loadl_epi64((const __m128i *)&MaskB[w]));
const __m256i dwords_255 = _mm256_set1_epi32(255);
__m256i maskf_inv = _mm256_sub_epi32(dwords_255, maskf);
__m256i maskb_inv = _mm256_sub_epi32(dwords_255, maskb);
if (sizeof(PixelType) == 1) {
dstF = _mm256_mullo_epi16(dstF, maskf_inv);
dstB = _mm256_mullo_epi16(dstB, maskb_inv);
medianBB = _mm256_mullo_epi16(medianBB, maskf);
medianFF = _mm256_mullo_epi16(medianFF, maskb);
} else {
dstF = _mm256_mullo_epi32(dstF, maskf_inv);
dstB = _mm256_mullo_epi32(dstB, maskb_inv);
medianBB = _mm256_mullo_epi32(medianBB, maskf);
medianFF = _mm256_mullo_epi32(medianFF, maskb);
}
dstF = _mm256_add_epi32(dstF, dwords_255);
dstB = _mm256_add_epi32(dstB, dwords_255);
dstF = _mm256_add_epi32(dstF, medianBB);
dstB = _mm256_add_epi32(dstB, medianFF);
dstF = _mm256_srai_epi32(dstF, 8);
dstB = _mm256_srai_epi32(dstB, 8);
if (sizeof(PixelType) == 2) {
dstF = _mm256_sub_epi16(dstF, _mm256_set1_epi32(32768));
dstB = _mm256_sub_epi16(dstB, _mm256_set1_epi32(32768));
}
dstF = _mm256_madd_epi16(dstF, dwords_256_time256);
dstB = _mm256_madd_epi16(dstB, dwords_time256);
if (sizeof(PixelType) == 2) {
// dstF = _mm256_add_epi32(dstF, _mm256_slli_epi32(dwords_256_time256, 15));
// dstB = _mm256_add_epi32(dstB, _mm256_slli_epi32(dwords_time256, 15));
// Knowing that they add up to 256, the two additions can be combined.
dstF = _mm256_add_epi32(dstF, _mm256_set1_epi32(256 << 15));
}
__m256i dst = _mm256_add_epi32(dstF, dstB);
dst = _mm256_srai_epi32(dst, 8);
dst = _mm256_packus_epi32(dst, dst);
dst = _mm256_permute4x64_epi64(dst, 0xe8); // 0b11101000 - copy third qword to second qword
__m128i dst128 = _mm256_castsi256_si128(dst);
if (sizeof(PixelType) == 1) {
dst128 = _mm_packus_epi16(dst128, dst128);
_mm_storel_epi64((__m128i *)&pdst[w], dst128);
} else {
_mm_storeu_si128((__m128i *)&pdst[w], dst128);
}
}
static void hadamard_col8x2_avx2(__m256i *in, int iter) {
__m256i a0 = in[0];
__m256i a1 = in[1];
__m256i a2 = in[2];
__m256i a3 = in[3];
__m256i a4 = in[4];
__m256i a5 = in[5];
__m256i a6 = in[6];
__m256i a7 = in[7];
__m256i b0 = _mm256_add_epi16(a0, a1);
__m256i b1 = _mm256_sub_epi16(a0, a1);
__m256i b2 = _mm256_add_epi16(a2, a3);
__m256i b3 = _mm256_sub_epi16(a2, a3);
__m256i b4 = _mm256_add_epi16(a4, a5);
__m256i b5 = _mm256_sub_epi16(a4, a5);
__m256i b6 = _mm256_add_epi16(a6, a7);
__m256i b7 = _mm256_sub_epi16(a6, a7);
a0 = _mm256_add_epi16(b0, b2);
a1 = _mm256_add_epi16(b1, b3);
a2 = _mm256_sub_epi16(b0, b2);
a3 = _mm256_sub_epi16(b1, b3);
a4 = _mm256_add_epi16(b4, b6);
a5 = _mm256_add_epi16(b5, b7);
a6 = _mm256_sub_epi16(b4, b6);
a7 = _mm256_sub_epi16(b5, b7);
if (iter == 0) {
b0 = _mm256_add_epi16(a0, a4);
b7 = _mm256_add_epi16(a1, a5);
b3 = _mm256_add_epi16(a2, a6);
b4 = _mm256_add_epi16(a3, a7);
b2 = _mm256_sub_epi16(a0, a4);
b6 = _mm256_sub_epi16(a1, a5);
b1 = _mm256_sub_epi16(a2, a6);
b5 = _mm256_sub_epi16(a3, a7);
a0 = _mm256_unpacklo_epi16(b0, b1);
a1 = _mm256_unpacklo_epi16(b2, b3);
a2 = _mm256_unpackhi_epi16(b0, b1);
a3 = _mm256_unpackhi_epi16(b2, b3);
a4 = _mm256_unpacklo_epi16(b4, b5);
a5 = _mm256_unpacklo_epi16(b6, b7);
a6 = _mm256_unpackhi_epi16(b4, b5);
a7 = _mm256_unpackhi_epi16(b6, b7);
b0 = _mm256_unpacklo_epi32(a0, a1);
b1 = _mm256_unpacklo_epi32(a4, a5);
b2 = _mm256_unpackhi_epi32(a0, a1);
b3 = _mm256_unpackhi_epi32(a4, a5);
b4 = _mm256_unpacklo_epi32(a2, a3);
b5 = _mm256_unpacklo_epi32(a6, a7);
b6 = _mm256_unpackhi_epi32(a2, a3);
b7 = _mm256_unpackhi_epi32(a6, a7);
in[0] = _mm256_unpacklo_epi64(b0, b1);
in[1] = _mm256_unpackhi_epi64(b0, b1);
in[2] = _mm256_unpacklo_epi64(b2, b3);
in[3] = _mm256_unpackhi_epi64(b2, b3);
in[4] = _mm256_unpacklo_epi64(b4, b5);
in[5] = _mm256_unpackhi_epi64(b4, b5);
in[6] = _mm256_unpacklo_epi64(b6, b7);
in[7] = _mm256_unpackhi_epi64(b6, b7);
} else {
in[0] = _mm256_add_epi16(a0, a4);
in[7] = _mm256_add_epi16(a1, a5);
in[3] = _mm256_add_epi16(a2, a6);
in[4] = _mm256_add_epi16(a3, a7);
in[2] = _mm256_sub_epi16(a0, a4);
in[6] = _mm256_sub_epi16(a1, a5);
in[1] = _mm256_sub_epi16(a2, a6);
in[5] = _mm256_sub_epi16(a3, a7);
}
}
static INLINE void add_sub_dual_avx2(__m256i *out, __m256i *in, unsigned out_idx0, unsigned out_idx1, unsigned in_idx0, unsigned in_idx1)
{
out[out_idx0] = _mm256_add_epi16(in[in_idx0], in[in_idx1]);
out[out_idx1] = _mm256_sub_epi16(in[in_idx0], in[in_idx1]);
}
static void mb_lpf_horizontal_edge_w_avx2_16(unsigned char *s, int p,
const unsigned char *_blimit,
const unsigned char *_limit,
const unsigned char *_thresh) {
__m128i mask, hev, flat, flat2;
const __m128i zero = _mm_set1_epi16(0);
const __m128i one = _mm_set1_epi8(1);
__m128i p7, p6, p5;
__m128i p4, p3, p2, p1, p0, q0, q1, q2, q3, q4;
__m128i q5, q6, q7;
__m256i p256_7, q256_7, p256_6, q256_6, p256_5, q256_5, p256_4, q256_4,
p256_3, q256_3, p256_2, q256_2, p256_1, q256_1, p256_0, q256_0;
const __m128i thresh =
_mm_broadcastb_epi8(_mm_cvtsi32_si128((int)_thresh[0]));
const __m128i limit = _mm_broadcastb_epi8(_mm_cvtsi32_si128((int)_limit[0]));
const __m128i blimit =
_mm_broadcastb_epi8(_mm_cvtsi32_si128((int)_blimit[0]));
p256_4 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s - 5 * p)));
p256_3 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s - 4 * p)));
p256_2 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s - 3 * p)));
p256_1 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s - 2 * p)));
p256_0 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s - 1 * p)));
q256_0 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s - 0 * p)));
q256_1 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s + 1 * p)));
q256_2 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s + 2 * p)));
q256_3 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s + 3 * p)));
q256_4 =
_mm256_castpd_si256(_mm256_broadcast_pd((__m128d const *)(s + 4 * p)));
p4 = _mm256_castsi256_si128(p256_4);
p3 = _mm256_castsi256_si128(p256_3);
p2 = _mm256_castsi256_si128(p256_2);
p1 = _mm256_castsi256_si128(p256_1);
p0 = _mm256_castsi256_si128(p256_0);
q0 = _mm256_castsi256_si128(q256_0);
q1 = _mm256_castsi256_si128(q256_1);
q2 = _mm256_castsi256_si128(q256_2);
q3 = _mm256_castsi256_si128(q256_3);
q4 = _mm256_castsi256_si128(q256_4);
{
const __m128i abs_p1p0 =
_mm_or_si128(_mm_subs_epu8(p1, p0), _mm_subs_epu8(p0, p1));
const __m128i abs_q1q0 =
_mm_or_si128(_mm_subs_epu8(q1, q0), _mm_subs_epu8(q0, q1));
const __m128i fe = _mm_set1_epi8(0xfe);
const __m128i ff = _mm_cmpeq_epi8(abs_p1p0, abs_p1p0);
__m128i abs_p0q0 =
_mm_or_si128(_mm_subs_epu8(p0, q0), _mm_subs_epu8(q0, p0));
__m128i abs_p1q1 =
_mm_or_si128(_mm_subs_epu8(p1, q1), _mm_subs_epu8(q1, p1));
__m128i work;
flat = _mm_max_epu8(abs_p1p0, abs_q1q0);
hev = _mm_subs_epu8(flat, thresh);
hev = _mm_xor_si128(_mm_cmpeq_epi8(hev, zero), ff);
abs_p0q0 = _mm_adds_epu8(abs_p0q0, abs_p0q0);
abs_p1q1 = _mm_srli_epi16(_mm_and_si128(abs_p1q1, fe), 1);
mask = _mm_subs_epu8(_mm_adds_epu8(abs_p0q0, abs_p1q1), blimit);
mask = _mm_xor_si128(_mm_cmpeq_epi8(mask, zero), ff);
// mask |= (abs(p0 - q0) * 2 + abs(p1 - q1) / 2 > blimit) * -1;
mask = _mm_max_epu8(flat, mask);
// mask |= (abs(p1 - p0) > limit) * -1;
// mask |= (abs(q1 - q0) > limit) * -1;
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p2, p1), _mm_subs_epu8(p1, p2)),
_mm_or_si128(_mm_subs_epu8(p3, p2), _mm_subs_epu8(p2, p3)));
mask = _mm_max_epu8(work, mask);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(q2, q1), _mm_subs_epu8(q1, q2)),
_mm_or_si128(_mm_subs_epu8(q3, q2), _mm_subs_epu8(q2, q3)));
mask = _mm_max_epu8(work, mask);
mask = _mm_subs_epu8(mask, limit);
mask = _mm_cmpeq_epi8(mask, zero);
}
// lp filter
{
const __m128i t4 = _mm_set1_epi8(4);
const __m128i t3 = _mm_set1_epi8(3);
const __m128i t80 = _mm_set1_epi8(0x80);
const __m128i te0 = _mm_set1_epi8(0xe0);
const __m128i t1f = _mm_set1_epi8(0x1f);
const __m128i t1 = _mm_set1_epi8(0x1);
const __m128i t7f = _mm_set1_epi8(0x7f);
__m128i ps1 = _mm_xor_si128(p1, t80);
__m128i ps0 = _mm_xor_si128(p0, t80);
__m128i qs0 = _mm_xor_si128(q0, t80);
__m128i qs1 = _mm_xor_si128(q1, t80);
__m128i filt;
__m128i work_a;
__m128i filter1, filter2;
__m128i flat2_p6, flat2_p5, flat2_p4, flat2_p3, flat2_p2, flat2_p1,
flat2_p0, flat2_q0, flat2_q1, flat2_q2, flat2_q3, flat2_q4, flat2_q5,
flat2_q6, flat_p2, flat_p1, flat_p0, flat_q0, flat_q1, flat_q2;
filt = _mm_and_si128(_mm_subs_epi8(ps1, qs1), hev);
work_a = _mm_subs_epi8(qs0, ps0);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
filt = _mm_adds_epi8(filt, work_a);
/* (vpx_filter + 3 * (qs0 - ps0)) & mask */
filt = _mm_and_si128(filt, mask);
filter1 = _mm_adds_epi8(filt, t4);
filter2 = _mm_adds_epi8(filt, t3);
/* Filter1 >> 3 */
work_a = _mm_cmpgt_epi8(zero, filter1);
filter1 = _mm_srli_epi16(filter1, 3);
work_a = _mm_and_si128(work_a, te0);
filter1 = _mm_and_si128(filter1, t1f);
filter1 = _mm_or_si128(filter1, work_a);
qs0 = _mm_xor_si128(_mm_subs_epi8(qs0, filter1), t80);
/* Filter2 >> 3 */
work_a = _mm_cmpgt_epi8(zero, filter2);
filter2 = _mm_srli_epi16(filter2, 3);
work_a = _mm_and_si128(work_a, te0);
filter2 = _mm_and_si128(filter2, t1f);
filter2 = _mm_or_si128(filter2, work_a);
ps0 = _mm_xor_si128(_mm_adds_epi8(ps0, filter2), t80);
/* filt >> 1 */
filt = _mm_adds_epi8(filter1, t1);
work_a = _mm_cmpgt_epi8(zero, filt);
filt = _mm_srli_epi16(filt, 1);
work_a = _mm_and_si128(work_a, t80);
filt = _mm_and_si128(filt, t7f);
filt = _mm_or_si128(filt, work_a);
filt = _mm_andnot_si128(hev, filt);
ps1 = _mm_xor_si128(_mm_adds_epi8(ps1, filt), t80);
qs1 = _mm_xor_si128(_mm_subs_epi8(qs1, filt), t80);
// loopfilter done
{
__m128i work;
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p2, p0), _mm_subs_epu8(p0, p2)),
_mm_or_si128(_mm_subs_epu8(q2, q0), _mm_subs_epu8(q0, q2)));
flat = _mm_max_epu8(work, flat);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p3, p0), _mm_subs_epu8(p0, p3)),
_mm_or_si128(_mm_subs_epu8(q3, q0), _mm_subs_epu8(q0, q3)));
flat = _mm_max_epu8(work, flat);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p4, p0), _mm_subs_epu8(p0, p4)),
_mm_or_si128(_mm_subs_epu8(q4, q0), _mm_subs_epu8(q0, q4)));
flat = _mm_subs_epu8(flat, one);
flat = _mm_cmpeq_epi8(flat, zero);
flat = _mm_and_si128(flat, mask);
p256_5 = _mm256_castpd_si256(
_mm256_broadcast_pd((__m128d const *)(s - 6 * p)));
q256_5 = _mm256_castpd_si256(
_mm256_broadcast_pd((__m128d const *)(s + 5 * p)));
p5 = _mm256_castsi256_si128(p256_5);
q5 = _mm256_castsi256_si128(q256_5);
flat2 = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p5, p0), _mm_subs_epu8(p0, p5)),
_mm_or_si128(_mm_subs_epu8(q5, q0), _mm_subs_epu8(q0, q5)));
flat2 = _mm_max_epu8(work, flat2);
p256_6 = _mm256_castpd_si256(
_mm256_broadcast_pd((__m128d const *)(s - 7 * p)));
q256_6 = _mm256_castpd_si256(
_mm256_broadcast_pd((__m128d const *)(s + 6 * p)));
p6 = _mm256_castsi256_si128(p256_6);
q6 = _mm256_castsi256_si128(q256_6);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p6, p0), _mm_subs_epu8(p0, p6)),
_mm_or_si128(_mm_subs_epu8(q6, q0), _mm_subs_epu8(q0, q6)));
flat2 = _mm_max_epu8(work, flat2);
p256_7 = _mm256_castpd_si256(
_mm256_broadcast_pd((__m128d const *)(s - 8 * p)));
q256_7 = _mm256_castpd_si256(
_mm256_broadcast_pd((__m128d const *)(s + 7 * p)));
p7 = _mm256_castsi256_si128(p256_7);
q7 = _mm256_castsi256_si128(q256_7);
work = _mm_max_epu8(
_mm_or_si128(_mm_subs_epu8(p7, p0), _mm_subs_epu8(p0, p7)),
_mm_or_si128(_mm_subs_epu8(q7, q0), _mm_subs_epu8(q0, q7)));
flat2 = _mm_max_epu8(work, flat2);
flat2 = _mm_subs_epu8(flat2, one);
flat2 = _mm_cmpeq_epi8(flat2, zero);
flat2 = _mm_and_si128(flat2, flat); // flat2 & flat & mask
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// flat and wide flat calculations
{
const __m256i eight = _mm256_set1_epi16(8);
const __m256i four = _mm256_set1_epi16(4);
__m256i pixelFilter_p, pixelFilter_q, pixetFilter_p2p1p0,
pixetFilter_q2q1q0, sum_p7, sum_q7, sum_p3, sum_q3, res_p, res_q;
const __m256i filter =
_mm256_load_si256((__m256i const *)filt_loopfilter_avx2);
p256_7 = _mm256_shuffle_epi8(p256_7, filter);
p256_6 = _mm256_shuffle_epi8(p256_6, filter);
p256_5 = _mm256_shuffle_epi8(p256_5, filter);
p256_4 = _mm256_shuffle_epi8(p256_4, filter);
p256_3 = _mm256_shuffle_epi8(p256_3, filter);
p256_2 = _mm256_shuffle_epi8(p256_2, filter);
p256_1 = _mm256_shuffle_epi8(p256_1, filter);
p256_0 = _mm256_shuffle_epi8(p256_0, filter);
q256_0 = _mm256_shuffle_epi8(q256_0, filter);
q256_1 = _mm256_shuffle_epi8(q256_1, filter);
q256_2 = _mm256_shuffle_epi8(q256_2, filter);
q256_3 = _mm256_shuffle_epi8(q256_3, filter);
q256_4 = _mm256_shuffle_epi8(q256_4, filter);
q256_5 = _mm256_shuffle_epi8(q256_5, filter);
q256_6 = _mm256_shuffle_epi8(q256_6, filter);
q256_7 = _mm256_shuffle_epi8(q256_7, filter);
pixelFilter_p = _mm256_add_epi16(_mm256_add_epi16(p256_6, p256_5),
_mm256_add_epi16(p256_4, p256_3));
pixelFilter_q = _mm256_add_epi16(_mm256_add_epi16(q256_6, q256_5),
_mm256_add_epi16(q256_4, q256_3));
pixetFilter_p2p1p0 =
_mm256_add_epi16(p256_0, _mm256_add_epi16(p256_2, p256_1));
pixelFilter_p = _mm256_add_epi16(pixelFilter_p, pixetFilter_p2p1p0);
pixetFilter_q2q1q0 =
_mm256_add_epi16(q256_0, _mm256_add_epi16(q256_2, q256_1));
pixelFilter_q = _mm256_add_epi16(pixelFilter_q, pixetFilter_q2q1q0);
pixelFilter_p = _mm256_add_epi16(
eight, _mm256_add_epi16(pixelFilter_p, pixelFilter_q));
pixetFilter_p2p1p0 = _mm256_add_epi16(
four, _mm256_add_epi16(pixetFilter_p2p1p0, pixetFilter_q2q1q0));
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(p256_7, p256_0)), 4);
flat2_p0 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(q256_7, q256_0)), 4);
flat2_q0 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
res_p =
_mm256_srli_epi16(_mm256_add_epi16(pixetFilter_p2p1p0,
_mm256_add_epi16(p256_3, p256_0)),
3);
flat_p0 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q =
_mm256_srli_epi16(_mm256_add_epi16(pixetFilter_p2p1p0,
_mm256_add_epi16(q256_3, q256_0)),
3);
flat_q0 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
sum_p7 = _mm256_add_epi16(p256_7, p256_7);
sum_q7 = _mm256_add_epi16(q256_7, q256_7);
sum_p3 = _mm256_add_epi16(p256_3, p256_3);
sum_q3 = _mm256_add_epi16(q256_3, q256_3);
pixelFilter_q = _mm256_sub_epi16(pixelFilter_p, p256_6);
pixelFilter_p = _mm256_sub_epi16(pixelFilter_p, q256_6);
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(sum_p7, p256_1)), 4);
flat2_p1 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_q, _mm256_add_epi16(sum_q7, q256_1)), 4);
flat2_q1 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
pixetFilter_q2q1q0 = _mm256_sub_epi16(pixetFilter_p2p1p0, p256_2);
pixetFilter_p2p1p0 = _mm256_sub_epi16(pixetFilter_p2p1p0, q256_2);
res_p =
_mm256_srli_epi16(_mm256_add_epi16(pixetFilter_p2p1p0,
_mm256_add_epi16(sum_p3, p256_1)),
3);
flat_p1 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q =
_mm256_srli_epi16(_mm256_add_epi16(pixetFilter_q2q1q0,
_mm256_add_epi16(sum_q3, q256_1)),
3);
flat_q1 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
sum_p7 = _mm256_add_epi16(sum_p7, p256_7);
sum_q7 = _mm256_add_epi16(sum_q7, q256_7);
sum_p3 = _mm256_add_epi16(sum_p3, p256_3);
sum_q3 = _mm256_add_epi16(sum_q3, q256_3);
pixelFilter_p = _mm256_sub_epi16(pixelFilter_p, q256_5);
pixelFilter_q = _mm256_sub_epi16(pixelFilter_q, p256_5);
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(sum_p7, p256_2)), 4);
flat2_p2 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_q, _mm256_add_epi16(sum_q7, q256_2)), 4);
flat2_q2 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
pixetFilter_p2p1p0 = _mm256_sub_epi16(pixetFilter_p2p1p0, q256_1);
pixetFilter_q2q1q0 = _mm256_sub_epi16(pixetFilter_q2q1q0, p256_1);
res_p =
_mm256_srli_epi16(_mm256_add_epi16(pixetFilter_p2p1p0,
_mm256_add_epi16(sum_p3, p256_2)),
3);
flat_p2 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q =
_mm256_srli_epi16(_mm256_add_epi16(pixetFilter_q2q1q0,
_mm256_add_epi16(sum_q3, q256_2)),
3);
flat_q2 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
sum_p7 = _mm256_add_epi16(sum_p7, p256_7);
sum_q7 = _mm256_add_epi16(sum_q7, q256_7);
pixelFilter_p = _mm256_sub_epi16(pixelFilter_p, q256_4);
pixelFilter_q = _mm256_sub_epi16(pixelFilter_q, p256_4);
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(sum_p7, p256_3)), 4);
flat2_p3 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_q, _mm256_add_epi16(sum_q7, q256_3)), 4);
flat2_q3 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
sum_p7 = _mm256_add_epi16(sum_p7, p256_7);
sum_q7 = _mm256_add_epi16(sum_q7, q256_7);
pixelFilter_p = _mm256_sub_epi16(pixelFilter_p, q256_3);
pixelFilter_q = _mm256_sub_epi16(pixelFilter_q, p256_3);
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(sum_p7, p256_4)), 4);
flat2_p4 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_q, _mm256_add_epi16(sum_q7, q256_4)), 4);
flat2_q4 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
sum_p7 = _mm256_add_epi16(sum_p7, p256_7);
sum_q7 = _mm256_add_epi16(sum_q7, q256_7);
pixelFilter_p = _mm256_sub_epi16(pixelFilter_p, q256_2);
pixelFilter_q = _mm256_sub_epi16(pixelFilter_q, p256_2);
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(sum_p7, p256_5)), 4);
flat2_p5 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_q, _mm256_add_epi16(sum_q7, q256_5)), 4);
flat2_q5 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
sum_p7 = _mm256_add_epi16(sum_p7, p256_7);
sum_q7 = _mm256_add_epi16(sum_q7, q256_7);
pixelFilter_p = _mm256_sub_epi16(pixelFilter_p, q256_1);
pixelFilter_q = _mm256_sub_epi16(pixelFilter_q, p256_1);
res_p = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_p, _mm256_add_epi16(sum_p7, p256_6)), 4);
flat2_p6 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_p, res_p), 168));
res_q = _mm256_srli_epi16(
_mm256_add_epi16(pixelFilter_q, _mm256_add_epi16(sum_q7, q256_6)), 4);
flat2_q6 = _mm256_castsi256_si128(
_mm256_permute4x64_epi64(_mm256_packus_epi16(res_q, res_q), 168));
}
// wide flat
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
p2 = _mm_andnot_si128(flat, p2);
flat_p2 = _mm_and_si128(flat, flat_p2);
p2 = _mm_or_si128(flat_p2, p2);
p1 = _mm_andnot_si128(flat, ps1);
flat_p1 = _mm_and_si128(flat, flat_p1);
p1 = _mm_or_si128(flat_p1, p1);
p0 = _mm_andnot_si128(flat, ps0);
flat_p0 = _mm_and_si128(flat, flat_p0);
p0 = _mm_or_si128(flat_p0, p0);
q0 = _mm_andnot_si128(flat, qs0);
flat_q0 = _mm_and_si128(flat, flat_q0);
q0 = _mm_or_si128(flat_q0, q0);
q1 = _mm_andnot_si128(flat, qs1);
flat_q1 = _mm_and_si128(flat, flat_q1);
q1 = _mm_or_si128(flat_q1, q1);
q2 = _mm_andnot_si128(flat, q2);
flat_q2 = _mm_and_si128(flat, flat_q2);
q2 = _mm_or_si128(flat_q2, q2);
p6 = _mm_andnot_si128(flat2, p6);
flat2_p6 = _mm_and_si128(flat2, flat2_p6);
p6 = _mm_or_si128(flat2_p6, p6);
_mm_storeu_si128((__m128i *)(s - 7 * p), p6);
p5 = _mm_andnot_si128(flat2, p5);
flat2_p5 = _mm_and_si128(flat2, flat2_p5);
p5 = _mm_or_si128(flat2_p5, p5);
_mm_storeu_si128((__m128i *)(s - 6 * p), p5);
p4 = _mm_andnot_si128(flat2, p4);
flat2_p4 = _mm_and_si128(flat2, flat2_p4);
p4 = _mm_or_si128(flat2_p4, p4);
_mm_storeu_si128((__m128i *)(s - 5 * p), p4);
p3 = _mm_andnot_si128(flat2, p3);
flat2_p3 = _mm_and_si128(flat2, flat2_p3);
p3 = _mm_or_si128(flat2_p3, p3);
_mm_storeu_si128((__m128i *)(s - 4 * p), p3);
p2 = _mm_andnot_si128(flat2, p2);
flat2_p2 = _mm_and_si128(flat2, flat2_p2);
p2 = _mm_or_si128(flat2_p2, p2);
_mm_storeu_si128((__m128i *)(s - 3 * p), p2);
p1 = _mm_andnot_si128(flat2, p1);
flat2_p1 = _mm_and_si128(flat2, flat2_p1);
p1 = _mm_or_si128(flat2_p1, p1);
_mm_storeu_si128((__m128i *)(s - 2 * p), p1);
p0 = _mm_andnot_si128(flat2, p0);
flat2_p0 = _mm_and_si128(flat2, flat2_p0);
p0 = _mm_or_si128(flat2_p0, p0);
_mm_storeu_si128((__m128i *)(s - 1 * p), p0);
q0 = _mm_andnot_si128(flat2, q0);
flat2_q0 = _mm_and_si128(flat2, flat2_q0);
q0 = _mm_or_si128(flat2_q0, q0);
_mm_storeu_si128((__m128i *)(s - 0 * p), q0);
q1 = _mm_andnot_si128(flat2, q1);
flat2_q1 = _mm_and_si128(flat2, flat2_q1);
q1 = _mm_or_si128(flat2_q1, q1);
_mm_storeu_si128((__m128i *)(s + 1 * p), q1);
q2 = _mm_andnot_si128(flat2, q2);
flat2_q2 = _mm_and_si128(flat2, flat2_q2);
q2 = _mm_or_si128(flat2_q2, q2);
_mm_storeu_si128((__m128i *)(s + 2 * p), q2);
q3 = _mm_andnot_si128(flat2, q3);
flat2_q3 = _mm_and_si128(flat2, flat2_q3);
q3 = _mm_or_si128(flat2_q3, q3);
_mm_storeu_si128((__m128i *)(s + 3 * p), q3);
q4 = _mm_andnot_si128(flat2, q4);
flat2_q4 = _mm_and_si128(flat2, flat2_q4);
q4 = _mm_or_si128(flat2_q4, q4);
_mm_storeu_si128((__m128i *)(s + 4 * p), q4);
q5 = _mm_andnot_si128(flat2, q5);
flat2_q5 = _mm_and_si128(flat2, flat2_q5);
q5 = _mm_or_si128(flat2_q5, q5);
_mm_storeu_si128((__m128i *)(s + 5 * p), q5);
q6 = _mm_andnot_si128(flat2, q6);
flat2_q6 = _mm_and_si128(flat2, flat2_q6);
q6 = _mm_or_si128(flat2_q6, q6);
_mm_storeu_si128((__m128i *)(s + 6 * p), q6);
}
}
