/* * Copyright (c) 2018, 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.
*/
staticinlineunsignedint masked_sad32xh_avx2( const uint8_t *src_ptr, int src_stride, const uint8_t *a_ptr, int a_stride, const uint8_t *b_ptr, int b_stride, const uint8_t *m_ptr, int m_stride, int width, int height) { int x, y;
__m256i res = _mm256_setzero_si256(); const __m256i mask_max = _mm256_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS)); const __m256i round_scale =
_mm256_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); for (y = 0; y < height; y++) { for (x = 0; x < width; x += 32) { 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]); const __m256i m = _mm256_lddqu_si256((const __m256i *)&m_ptr[x]); const __m256i m_inv = _mm256_sub_epi8(mask_max, m);
// Calculate 16 predicted pixels. // Note that the maximum value of any entry of 'pred_l' or 'pred_r' // is 64 * 255, so we have plenty of space to add rounding constants. const __m256i data_l = _mm256_unpacklo_epi8(a, b); const __m256i mask_l = _mm256_unpacklo_epi8(m, m_inv);
__m256i pred_l = _mm256_maddubs_epi16(data_l, mask_l);
pred_l = _mm256_mulhrs_epi16(pred_l, round_scale);
const __m256i pred = _mm256_packus_epi16(pred_l, pred_r);
res = _mm256_add_epi32(res, _mm256_sad_epu8(pred, src));
}
src_ptr += src_stride;
a_ptr += a_stride;
b_ptr += b_stride;
m_ptr += m_stride;
} // At this point, we have two 32-bit partial SADs in lanes 0 and 2 of 'res'.
res = _mm256_shuffle_epi32(res, 0xd8);
res = _mm256_permute4x64_epi64(res, 0xd8);
res = _mm256_hadd_epi32(res, res);
res = _mm256_hadd_epi32(res, res);
int32_t sad = _mm256_extract_epi32(res, 0); return sad;
}
staticinlineunsignedint masked_sad16xh_avx2( const uint8_t *src_ptr, int src_stride, const uint8_t *a_ptr, int a_stride, const uint8_t *b_ptr, int b_stride, const uint8_t *m_ptr, int m_stride, int height) { int y;
__m256i res = _mm256_setzero_si256(); const __m256i mask_max = _mm256_set1_epi8((1 << AOM_BLEND_A64_ROUND_BITS)); const __m256i round_scale =
_mm256_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); for (y = 0; y < height; y += 2) { const __m256i src = yy_loadu2_128(src_ptr + src_stride, src_ptr); const __m256i a = yy_loadu2_128(a_ptr + a_stride, a_ptr); const __m256i b = yy_loadu2_128(b_ptr + b_stride, b_ptr); const __m256i m = yy_loadu2_128(m_ptr + m_stride, m_ptr); const __m256i m_inv = _mm256_sub_epi8(mask_max, m);
// Calculate 16 predicted pixels. // Note that the maximum value of any entry of 'pred_l' or 'pred_r' // is 64 * 255, so we have plenty of space to add rounding constants. const __m256i data_l = _mm256_unpacklo_epi8(a, b); const __m256i mask_l = _mm256_unpacklo_epi8(m, m_inv);
__m256i pred_l = _mm256_maddubs_epi16(data_l, mask_l);
pred_l = _mm256_mulhrs_epi16(pred_l, round_scale);
const __m256i pred = _mm256_packus_epi16(pred_l, pred_r);
res = _mm256_add_epi32(res, _mm256_sad_epu8(pred, src));
src_ptr += src_stride << 1;
a_ptr += a_stride << 1;
b_ptr += b_stride << 1;
m_ptr += m_stride << 1;
} // At this point, we have two 32-bit partial SADs in lanes 0 and 2 of 'res'.
res = _mm256_shuffle_epi32(res, 0xd8);
res = _mm256_permute4x64_epi64(res, 0xd8);
res = _mm256_hadd_epi32(res, res);
res = _mm256_hadd_epi32(res, res);
int32_t sad = _mm256_extract_epi32(res, 0); return sad;
}
staticinlineunsignedint aom_masked_sad_avx2( const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, const uint8_t *second_pred, const uint8_t *msk, int msk_stride, int invert_mask, int m, int n) { unsignedint sad; if (!invert_mask) { switch (m) { case 4:
sad = aom_masked_sad4xh_ssse3(src, src_stride, ref, ref_stride,
second_pred, m, msk, msk_stride, n); break; case 8:
sad = aom_masked_sad8xh_ssse3(src, src_stride, ref, ref_stride,
second_pred, m, msk, msk_stride, n); break; case 16:
sad = masked_sad16xh_avx2(src, src_stride, ref, ref_stride, second_pred,
m, msk, msk_stride, n); break; default:
sad = masked_sad32xh_avx2(src, src_stride, ref, ref_stride, second_pred,
m, msk, msk_stride, m, n); break;
}
} else { switch (m) { case 4:
sad = aom_masked_sad4xh_ssse3(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, n); break; case 8:
sad = aom_masked_sad8xh_ssse3(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, n); break; case 16:
sad = masked_sad16xh_avx2(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, n); break; default:
sad = masked_sad32xh_avx2(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, m, n); break;
}
} return sad;
}
#define MASKSADMXN_AVX2(m, n) \ unsignedint aom_masked_sad##m##x##n##_avx2( \ const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \ const uint8_t *second_pred, const uint8_t *msk, int msk_stride, \ int invert_mask) { \ return aom_masked_sad_avx2(src, src_stride, ref, ref_stride, second_pred, \
msk, msk_stride, invert_mask, m, n); \
}
// 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 << 1;
a_ptr += a_stride << 1;
b_ptr += b_stride << 1;
m_ptr += m_stride << 1;
} // 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;
}
staticinlineunsignedint 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);
// 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;
}
staticinlineunsignedint aom_highbd_masked_sad_avx2( const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, const uint8_t *second_pred, const uint8_t *msk, int msk_stride, int invert_mask, int m, int n) { unsignedint sad; if (!invert_mask) { switch (m) { case 4:
sad =
aom_highbd_masked_sad4xh_ssse3(src, src_stride, ref, ref_stride,
second_pred, m, msk, msk_stride, n); break; case 8:
sad = highbd_masked_sad8xh_avx2(src, src_stride, ref, ref_stride,
second_pred, m, msk, msk_stride, n); break; default:
sad = highbd_masked_sad16xh_avx2(src, src_stride, ref, ref_stride,
second_pred, m, msk, msk_stride, m, n); break;
}
} else { switch (m) { case 4:
sad =
aom_highbd_masked_sad4xh_ssse3(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, n); break; case 8:
sad = highbd_masked_sad8xh_avx2(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, n); break; default:
sad = highbd_masked_sad16xh_avx2(src, src_stride, second_pred, m, ref,
ref_stride, msk, msk_stride, m, n); break;
}
} return sad;
}
#define HIGHBD_MASKSADMXN_AVX2(m, n) \ unsignedint aom_highbd_masked_sad##m##x##n##_avx2( \ const uint8_t *src8, int src_stride, const uint8_t *ref8, \ int ref_stride, const uint8_t *second_pred8, const uint8_t *msk, \ int msk_stride, int invert_mask) { \ return aom_highbd_masked_sad_avx2(src8, src_stride, ref8, ref_stride, \
second_pred8, msk, msk_stride, \
invert_mask, m, n); \
}
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