| /* | |
| * Copyright (c) 2016, 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> // AVX2 | |
| #include "config/aom_dsp_rtcd.h" | |
| #include "aom_ports/mem.h" | |
| /* clang-format off */ | |
| DECLARE_ALIGNED(32, static const uint8_t, bilinear_filters_avx2[512]) = { | |
| 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, | |
| 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, 16, 0, | |
| 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, | |
| 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, | |
| 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, | |
| 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, | |
| 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, | |
| 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, | |
| 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
| 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | |
| 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, | |
| 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, 6, 10, | |
| 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, | |
| 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, 4, 12, | |
| 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, | |
| 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, 2, 14, | |
| }; | |
| /* clang-format on */ | |
| #define FILTER_SRC(filter) \ | |
| /* filter the source */ \ | |
| exp_src_lo = _mm256_maddubs_epi16(exp_src_lo, filter); \ | |
| exp_src_hi = _mm256_maddubs_epi16(exp_src_hi, filter); \ | |
| \ | |
| /* add 8 to source */ \ | |
| exp_src_lo = _mm256_add_epi16(exp_src_lo, pw8); \ | |
| exp_src_hi = _mm256_add_epi16(exp_src_hi, pw8); \ | |
| \ | |
| /* divide source by 16 */ \ | |
| exp_src_lo = _mm256_srai_epi16(exp_src_lo, 4); \ | |
| exp_src_hi = _mm256_srai_epi16(exp_src_hi, 4); | |
| #define MERGE_WITH_SRC(src_reg, reg) \ | |
| exp_src_lo = _mm256_unpacklo_epi8(src_reg, reg); \ | |
| exp_src_hi = _mm256_unpackhi_epi8(src_reg, reg); | |
| #define LOAD_SRC_DST \ | |
| /* load source and destination */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| dst_reg = _mm256_loadu_si256((__m256i const *)(dst)); | |
| #define AVG_NEXT_SRC(src_reg, size_stride) \ | |
| src_next_reg = _mm256_loadu_si256((__m256i const *)(src + size_stride)); \ | |
| /* average between current and next stride source */ \ | |
| src_reg = _mm256_avg_epu8(src_reg, src_next_reg); | |
| #define MERGE_NEXT_SRC(src_reg, size_stride) \ | |
| src_next_reg = _mm256_loadu_si256((__m256i const *)(src + size_stride)); \ | |
| MERGE_WITH_SRC(src_reg, src_next_reg) | |
| #define CALC_SUM_SSE_INSIDE_LOOP \ | |
| /* expand each byte to 2 bytes */ \ | |
| exp_dst_lo = _mm256_unpacklo_epi8(dst_reg, zero_reg); \ | |
| exp_dst_hi = _mm256_unpackhi_epi8(dst_reg, zero_reg); \ | |
| /* source - dest */ \ | |
| exp_src_lo = _mm256_sub_epi16(exp_src_lo, exp_dst_lo); \ | |
| exp_src_hi = _mm256_sub_epi16(exp_src_hi, exp_dst_hi); \ | |
| /* caculate sum */ \ | |
| sum_reg = _mm256_add_epi16(sum_reg, exp_src_lo); \ | |
| exp_src_lo = _mm256_madd_epi16(exp_src_lo, exp_src_lo); \ | |
| sum_reg = _mm256_add_epi16(sum_reg, exp_src_hi); \ | |
| exp_src_hi = _mm256_madd_epi16(exp_src_hi, exp_src_hi); \ | |
| /* calculate sse */ \ | |
| sse_reg = _mm256_add_epi32(sse_reg, exp_src_lo); \ | |
| sse_reg = _mm256_add_epi32(sse_reg, exp_src_hi); | |
| // final calculation to sum and sse | |
| #define CALC_SUM_AND_SSE \ | |
| res_cmp = _mm256_cmpgt_epi16(zero_reg, sum_reg); \ | |
| sse_reg_hi = _mm256_srli_si256(sse_reg, 8); \ | |
| sum_reg_lo = _mm256_unpacklo_epi16(sum_reg, res_cmp); \ | |
| sum_reg_hi = _mm256_unpackhi_epi16(sum_reg, res_cmp); \ | |
| sse_reg = _mm256_add_epi32(sse_reg, sse_reg_hi); \ | |
| sum_reg = _mm256_add_epi32(sum_reg_lo, sum_reg_hi); \ | |
| \ | |
| sse_reg_hi = _mm256_srli_si256(sse_reg, 4); \ | |
| sum_reg_hi = _mm256_srli_si256(sum_reg, 8); \ | |
| \ | |
| sse_reg = _mm256_add_epi32(sse_reg, sse_reg_hi); \ | |
| sum_reg = _mm256_add_epi32(sum_reg, sum_reg_hi); \ | |
| *((int *)sse) = _mm_cvtsi128_si32(_mm256_castsi256_si128(sse_reg)) + \ | |
| _mm_cvtsi128_si32(_mm256_extractf128_si256(sse_reg, 1)); \ | |
| sum_reg_hi = _mm256_srli_si256(sum_reg, 4); \ | |
| sum_reg = _mm256_add_epi32(sum_reg, sum_reg_hi); \ | |
| sum = _mm_cvtsi128_si32(_mm256_castsi256_si128(sum_reg)) + \ | |
| _mm_cvtsi128_si32(_mm256_extractf128_si256(sum_reg, 1)); | |
| // Functions related to sub pixel variance width 16 | |
| #define LOAD_SRC_DST_INSERT(src_stride, dst_stride) \ | |
| /* load source and destination of 2 rows and insert*/ \ | |
| src_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(src))), \ | |
| _mm_loadu_si128((__m128i *)(src + src_stride)), 1); \ | |
| dst_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(dst))), \ | |
| _mm_loadu_si128((__m128i *)(dst + dst_stride)), 1); | |
| #define AVG_NEXT_SRC_INSERT(src_reg, size_stride) \ | |
| src_next_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(src + size_stride))), \ | |
| _mm_loadu_si128((__m128i *)(src + (size_stride << 1))), 1); \ | |
| /* average between current and next stride source */ \ | |
| src_reg = _mm256_avg_epu8(src_reg, src_next_reg); | |
| #define MERGE_NEXT_SRC_INSERT(src_reg, size_stride) \ | |
| src_next_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(src + size_stride))), \ | |
| _mm_loadu_si128((__m128i *)(src + (src_stride + size_stride))), 1); \ | |
| MERGE_WITH_SRC(src_reg, src_next_reg) | |
| #define LOAD_SRC_NEXT_BYTE_INSERT \ | |
| /* load source and another source from next row */ \ | |
| src_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(src))), \ | |
| _mm_loadu_si128((__m128i *)(src + src_stride)), 1); \ | |
| /* load source and next row source from 1 byte onwards */ \ | |
| src_next_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(src + 1))), \ | |
| _mm_loadu_si128((__m128i *)(src + src_stride + 1)), 1); | |
| #define LOAD_DST_INSERT \ | |
| dst_reg = _mm256_inserti128_si256( \ | |
| _mm256_castsi128_si256(_mm_loadu_si128((__m128i *)(dst))), \ | |
| _mm_loadu_si128((__m128i *)(dst + dst_stride)), 1); | |
| #define LOAD_SRC_MERGE_128BIT(filter) \ | |
| __m128i src_reg_0 = _mm_loadu_si128((__m128i *)(src)); \ | |
| __m128i src_reg_1 = _mm_loadu_si128((__m128i *)(src + 1)); \ | |
| __m128i src_lo = _mm_unpacklo_epi8(src_reg_0, src_reg_1); \ | |
| __m128i src_hi = _mm_unpackhi_epi8(src_reg_0, src_reg_1); \ | |
| __m128i filter_128bit = _mm256_castsi256_si128(filter); \ | |
| __m128i pw8_128bit = _mm256_castsi256_si128(pw8); | |
| #define FILTER_SRC_128BIT(filter) \ | |
| /* filter the source */ \ | |
| src_lo = _mm_maddubs_epi16(src_lo, filter); \ | |
| src_hi = _mm_maddubs_epi16(src_hi, filter); \ | |
| \ | |
| /* add 8 to source */ \ | |
| src_lo = _mm_add_epi16(src_lo, pw8_128bit); \ | |
| src_hi = _mm_add_epi16(src_hi, pw8_128bit); \ | |
| \ | |
| /* divide source by 16 */ \ | |
| src_lo = _mm_srai_epi16(src_lo, 4); \ | |
| src_hi = _mm_srai_epi16(src_hi, 4); | |
| // TODO(chiyotsai@google.com): These variance functions are macro-fied so we | |
| // don't have to manually optimize the individual for-loops. We could save some | |
| // binary size by optimizing the loops more carefully without duplicating the | |
| // codes with a macro. | |
| #define MAKE_SUB_PIXEL_VAR_32XH(height, log2height) \ | |
| static inline int aom_sub_pixel_variance32x##height##_imp_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, unsigned int *sse) { \ | |
| __m256i src_reg, dst_reg, exp_src_lo, exp_src_hi, exp_dst_lo, exp_dst_hi; \ | |
| __m256i sse_reg, sum_reg, sse_reg_hi, res_cmp, sum_reg_lo, sum_reg_hi; \ | |
| __m256i zero_reg; \ | |
| int i, sum; \ | |
| sum_reg = _mm256_setzero_si256(); \ | |
| sse_reg = _mm256_setzero_si256(); \ | |
| zero_reg = _mm256_setzero_si256(); \ | |
| \ | |
| /* x_offset = 0 and y_offset = 0 */ \ | |
| if (x_offset == 0) { \ | |
| if (y_offset == 0) { \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| /* expend each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 0 and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i src_next_reg; \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, src_stride) \ | |
| /* expend each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 0 and y_offset = bilin interpolation */ \ | |
| } else { \ | |
| __m256i filter, pw8, src_next_reg; \ | |
| \ | |
| y_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, src_stride) \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| } \ | |
| /* x_offset = 4 and y_offset = 0 */ \ | |
| } else if (x_offset == 4) { \ | |
| if (y_offset == 0) { \ | |
| __m256i src_next_reg; \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 4 and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i src_next_reg, src_avg; \ | |
| /* load source and another source starting from the next */ \ | |
| /* following byte */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| for (i = 0; i < height; i++) { \ | |
| src_avg = src_reg; \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| /* average between previous average to current average */ \ | |
| src_avg = _mm256_avg_epu8(src_avg, src_reg); \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_avg, zero_reg) \ | |
| /* save current source average */ \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 4 and y_offset = bilin interpolation */ \ | |
| } else { \ | |
| __m256i filter, pw8, src_next_reg, src_avg; \ | |
| y_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load source and another source starting from the next */ \ | |
| /* following byte */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| for (i = 0; i < height; i++) { \ | |
| /* save current source average */ \ | |
| src_avg = src_reg; \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| MERGE_WITH_SRC(src_avg, src_reg) \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = 0 */ \ | |
| } else { \ | |
| if (y_offset == 0) { \ | |
| __m256i filter, pw8, src_next_reg; \ | |
| x_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i filter, pw8, src_next_reg, src_pack; \ | |
| x_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| /* convert each 16 bit to 8 bit to each low and high lane source */ \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| for (i = 0; i < height; i++) { \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| /* average between previous pack to the current */ \ | |
| src_pack = _mm256_avg_epu8(src_pack, src_reg); \ | |
| MERGE_WITH_SRC(src_pack, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src_pack = src_reg; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = bilin interpolation \ | |
| */ \ | |
| } else { \ | |
| __m256i xfilter, yfilter, pw8, src_next_reg, src_pack; \ | |
| x_offset <<= 5; \ | |
| xfilter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| y_offset <<= 5; \ | |
| yfilter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load source and another source starting from the next */ \ | |
| /* following byte */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| \ | |
| FILTER_SRC(xfilter) \ | |
| /* convert each 16 bit to 8 bit to each low and high lane source */ \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| for (i = 0; i < height; i++) { \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(xfilter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| /* merge previous pack to current pack source */ \ | |
| MERGE_WITH_SRC(src_pack, src_reg) \ | |
| /* filter the source */ \ | |
| FILTER_SRC(yfilter) \ | |
| src_pack = src_reg; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| } \ | |
| } \ | |
| CALC_SUM_AND_SSE \ | |
| _mm256_zeroupper(); \ | |
| return sum; \ | |
| } \ | |
| unsigned int aom_sub_pixel_variance32x##height##_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, unsigned int *sse) { \ | |
| const int sum = aom_sub_pixel_variance32x##height##_imp_avx2( \ | |
| src, src_stride, x_offset, y_offset, dst, dst_stride, sse); \ | |
| return *sse - (unsigned int)(((int64_t)sum * sum) >> (5 + log2height)); \ | |
| } | |
| MAKE_SUB_PIXEL_VAR_32XH(64, 6) | |
| MAKE_SUB_PIXEL_VAR_32XH(32, 5) | |
| MAKE_SUB_PIXEL_VAR_32XH(16, 4) | |
| #define AOM_SUB_PIXEL_VAR_AVX2(w, h, wf, hf, wlog2, hlog2) \ | |
| unsigned int aom_sub_pixel_variance##w##x##h##_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, unsigned int *sse_ptr) { \ | |
| unsigned int sse = 0; \ | |
| int se = 0; \ | |
| for (int i = 0; i < (w / wf); ++i) { \ | |
| const uint8_t *src_ptr = src; \ | |
| const uint8_t *dst_ptr = dst; \ | |
| for (int j = 0; j < (h / hf); ++j) { \ | |
| unsigned int sse2; \ | |
| const int se2 = aom_sub_pixel_variance##wf##x##hf##_imp_avx2( \ | |
| src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, \ | |
| &sse2); \ | |
| dst_ptr += hf * dst_stride; \ | |
| src_ptr += hf * src_stride; \ | |
| se += se2; \ | |
| sse += sse2; \ | |
| } \ | |
| src += wf; \ | |
| dst += wf; \ | |
| } \ | |
| *sse_ptr = sse; \ | |
| return sse - (unsigned int)(((int64_t)se * se) >> (wlog2 + hlog2)); \ | |
| } | |
| // Note: hf = AOMMIN(h, 64) to avoid overflow in helper by capping height. | |
| AOM_SUB_PIXEL_VAR_AVX2(128, 128, 32, 64, 7, 7) | |
| AOM_SUB_PIXEL_VAR_AVX2(128, 64, 32, 64, 7, 6) | |
| AOM_SUB_PIXEL_VAR_AVX2(64, 128, 32, 64, 6, 7) | |
| AOM_SUB_PIXEL_VAR_AVX2(64, 64, 32, 64, 6, 6) | |
| AOM_SUB_PIXEL_VAR_AVX2(64, 32, 32, 32, 6, 5) | |
| #define MAKE_SUB_PIXEL_VAR_16XH(height, log2height) \ | |
| unsigned int aom_sub_pixel_variance16x##height##_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, unsigned int *sse) { \ | |
| __m256i src_reg, dst_reg, exp_src_lo, exp_src_hi, exp_dst_lo, exp_dst_hi; \ | |
| __m256i sse_reg, sum_reg, sse_reg_hi, res_cmp, sum_reg_lo, sum_reg_hi; \ | |
| __m256i zero_reg; \ | |
| int i, sum; \ | |
| sum_reg = _mm256_setzero_si256(); \ | |
| sse_reg = _mm256_setzero_si256(); \ | |
| zero_reg = _mm256_setzero_si256(); \ | |
| \ | |
| /* x_offset = 0 and y_offset = 0 */ \ | |
| if (x_offset == 0) { \ | |
| if (y_offset == 0) { \ | |
| for (i = 0; i < height; i += 2) { \ | |
| LOAD_SRC_DST_INSERT(src_stride, dst_stride) \ | |
| /* expend each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += (src_stride << 1); \ | |
| dst += (dst_stride << 1); \ | |
| } \ | |
| /* x_offset = 0 and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i src_next_reg; \ | |
| for (i = 0; i < height; i += 2) { \ | |
| LOAD_SRC_DST_INSERT(src_stride, dst_stride) \ | |
| AVG_NEXT_SRC_INSERT(src_reg, src_stride) \ | |
| /* expend each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += (src_stride << 1); \ | |
| dst += (dst_stride << 1); \ | |
| } \ | |
| /* x_offset = 0 and y_offset = bilin interpolation */ \ | |
| } else { \ | |
| __m256i filter, pw8, src_next_reg; \ | |
| y_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| for (i = 0; i < height; i += 2) { \ | |
| LOAD_SRC_DST_INSERT(src_stride, dst_stride) \ | |
| MERGE_NEXT_SRC_INSERT(src_reg, src_stride) \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += (src_stride << 1); \ | |
| dst += (dst_stride << 1); \ | |
| } \ | |
| } \ | |
| /* x_offset = 4 and y_offset = 0 */ \ | |
| } else if (x_offset == 4) { \ | |
| if (y_offset == 0) { \ | |
| __m256i src_next_reg; \ | |
| for (i = 0; i < height; i += 2) { \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| LOAD_DST_INSERT \ | |
| /* average between current and next stride source */ \ | |
| src_reg = _mm256_avg_epu8(src_reg, src_next_reg); \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += (src_stride << 1); \ | |
| dst += (dst_stride << 1); \ | |
| } \ | |
| /* x_offset = 4 and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i src_next_reg, src_avg, src_temp; \ | |
| /* load and insert source and next row source */ \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| src_avg = _mm256_avg_epu8(src_reg, src_next_reg); \ | |
| src += src_stride << 1; \ | |
| for (i = 0; i < height - 2; i += 2) { \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| src_next_reg = _mm256_avg_epu8(src_reg, src_next_reg); \ | |
| src_temp = _mm256_permute2x128_si256(src_avg, src_next_reg, 0x21); \ | |
| src_temp = _mm256_avg_epu8(src_avg, src_temp); \ | |
| LOAD_DST_INSERT \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_temp, zero_reg) \ | |
| /* save current source average */ \ | |
| src_avg = src_next_reg; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride << 1; \ | |
| src += src_stride << 1; \ | |
| } \ | |
| /* last 2 rows processing happens here */ \ | |
| __m128i src_reg_0 = _mm_loadu_si128((__m128i *)(src)); \ | |
| __m128i src_reg_1 = _mm_loadu_si128((__m128i *)(src + 1)); \ | |
| src_reg_0 = _mm_avg_epu8(src_reg_0, src_reg_1); \ | |
| src_next_reg = _mm256_permute2x128_si256( \ | |
| src_avg, _mm256_castsi128_si256(src_reg_0), 0x21); \ | |
| LOAD_DST_INSERT \ | |
| src_avg = _mm256_avg_epu8(src_avg, src_next_reg); \ | |
| MERGE_WITH_SRC(src_avg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| } else { \ | |
| /* x_offset = 4 and y_offset = bilin interpolation */ \ | |
| __m256i filter, pw8, src_next_reg, src_avg, src_temp; \ | |
| y_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load and insert source and next row source */ \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| src_avg = _mm256_avg_epu8(src_reg, src_next_reg); \ | |
| src += src_stride << 1; \ | |
| for (i = 0; i < height - 2; i += 2) { \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| src_next_reg = _mm256_avg_epu8(src_reg, src_next_reg); \ | |
| src_temp = _mm256_permute2x128_si256(src_avg, src_next_reg, 0x21); \ | |
| LOAD_DST_INSERT \ | |
| MERGE_WITH_SRC(src_avg, src_temp) \ | |
| /* save current source average */ \ | |
| src_avg = src_next_reg; \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride << 1; \ | |
| src += src_stride << 1; \ | |
| } \ | |
| /* last 2 rows processing happens here */ \ | |
| __m128i src_reg_0 = _mm_loadu_si128((__m128i *)(src)); \ | |
| __m128i src_reg_1 = _mm_loadu_si128((__m128i *)(src + 1)); \ | |
| src_reg_0 = _mm_avg_epu8(src_reg_0, src_reg_1); \ | |
| src_next_reg = _mm256_permute2x128_si256( \ | |
| src_avg, _mm256_castsi128_si256(src_reg_0), 0x21); \ | |
| LOAD_DST_INSERT \ | |
| MERGE_WITH_SRC(src_avg, src_next_reg) \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = 0 */ \ | |
| } else { \ | |
| if (y_offset == 0) { \ | |
| __m256i filter, pw8, src_next_reg; \ | |
| x_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| for (i = 0; i < height; i += 2) { \ | |
| LOAD_SRC_DST_INSERT(src_stride, dst_stride) \ | |
| MERGE_NEXT_SRC_INSERT(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += (src_stride << 1); \ | |
| dst += (dst_stride << 1); \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i filter, pw8, src_next_reg, src_pack; \ | |
| x_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load and insert source and next row source */ \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| MERGE_WITH_SRC(src_reg, src_next_reg) \ | |
| FILTER_SRC(filter) \ | |
| /* convert each 16 bit to 8 bit to each low and high lane source */ \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| src += src_stride << 1; \ | |
| for (i = 0; i < height - 2; i += 2) { \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| LOAD_DST_INSERT \ | |
| MERGE_WITH_SRC(src_reg, src_next_reg) \ | |
| FILTER_SRC(filter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| src_next_reg = _mm256_permute2x128_si256(src_pack, src_reg, 0x21); \ | |
| /* average between previous pack to the current */ \ | |
| src_pack = _mm256_avg_epu8(src_pack, src_next_reg); \ | |
| MERGE_WITH_SRC(src_pack, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src_pack = src_reg; \ | |
| src += src_stride << 1; \ | |
| dst += dst_stride << 1; \ | |
| } \ | |
| /* last 2 rows processing happens here */ \ | |
| LOAD_SRC_MERGE_128BIT(filter) \ | |
| LOAD_DST_INSERT \ | |
| FILTER_SRC_128BIT(filter_128bit) \ | |
| src_reg_0 = _mm_packus_epi16(src_lo, src_hi); \ | |
| src_next_reg = _mm256_permute2x128_si256( \ | |
| src_pack, _mm256_castsi128_si256(src_reg_0), 0x21); \ | |
| /* average between previous pack to the current */ \ | |
| src_pack = _mm256_avg_epu8(src_pack, src_next_reg); \ | |
| MERGE_WITH_SRC(src_pack, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| } else { \ | |
| /* x_offset = bilin interpolation and y_offset = bilin interpolation \ | |
| */ \ | |
| __m256i xfilter, yfilter, pw8, src_next_reg, src_pack; \ | |
| x_offset <<= 5; \ | |
| xfilter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| y_offset <<= 5; \ | |
| yfilter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load and insert source and next row source */ \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| MERGE_WITH_SRC(src_reg, src_next_reg) \ | |
| FILTER_SRC(xfilter) \ | |
| /* convert each 16 bit to 8 bit to each low and high lane source */ \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| src += src_stride << 1; \ | |
| for (i = 0; i < height - 2; i += 2) { \ | |
| LOAD_SRC_NEXT_BYTE_INSERT \ | |
| LOAD_DST_INSERT \ | |
| MERGE_WITH_SRC(src_reg, src_next_reg) \ | |
| FILTER_SRC(xfilter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| src_next_reg = _mm256_permute2x128_si256(src_pack, src_reg, 0x21); \ | |
| /* average between previous pack to the current */ \ | |
| MERGE_WITH_SRC(src_pack, src_next_reg) \ | |
| /* filter the source */ \ | |
| FILTER_SRC(yfilter) \ | |
| src_pack = src_reg; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride << 1; \ | |
| dst += dst_stride << 1; \ | |
| } \ | |
| /* last 2 rows processing happens here */ \ | |
| LOAD_SRC_MERGE_128BIT(xfilter) \ | |
| LOAD_DST_INSERT \ | |
| FILTER_SRC_128BIT(filter_128bit) \ | |
| src_reg_0 = _mm_packus_epi16(src_lo, src_hi); \ | |
| src_next_reg = _mm256_permute2x128_si256( \ | |
| src_pack, _mm256_castsi128_si256(src_reg_0), 0x21); \ | |
| MERGE_WITH_SRC(src_pack, src_next_reg) \ | |
| FILTER_SRC(yfilter) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| } \ | |
| } \ | |
| CALC_SUM_AND_SSE \ | |
| _mm256_zeroupper(); \ | |
| return *sse - (unsigned int)(((int64_t)sum * sum) >> (4 + log2height)); \ | |
| } | |
| MAKE_SUB_PIXEL_VAR_16XH(32, 5) | |
| MAKE_SUB_PIXEL_VAR_16XH(16, 4) | |
| MAKE_SUB_PIXEL_VAR_16XH(8, 3) | |
| #if !CONFIG_REALTIME_ONLY | |
| MAKE_SUB_PIXEL_VAR_16XH(64, 6) | |
| MAKE_SUB_PIXEL_VAR_16XH(4, 2) | |
| #endif | |
| #define MAKE_SUB_PIXEL_AVG_VAR_32XH(height, log2height) \ | |
| static int sub_pixel_avg_variance32x##height##_imp_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, const uint8_t *sec, int sec_stride, \ | |
| unsigned int *sse) { \ | |
| __m256i sec_reg; \ | |
| __m256i src_reg, dst_reg, exp_src_lo, exp_src_hi, exp_dst_lo, exp_dst_hi; \ | |
| __m256i sse_reg, sum_reg, sse_reg_hi, res_cmp, sum_reg_lo, sum_reg_hi; \ | |
| __m256i zero_reg; \ | |
| int i, sum; \ | |
| sum_reg = _mm256_setzero_si256(); \ | |
| sse_reg = _mm256_setzero_si256(); \ | |
| zero_reg = _mm256_setzero_si256(); \ | |
| \ | |
| /* x_offset = 0 and y_offset = 0 */ \ | |
| if (x_offset == 0) { \ | |
| if (y_offset == 0) { \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_reg = _mm256_avg_epu8(src_reg, sec_reg); \ | |
| sec += sec_stride; \ | |
| /* expend each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| } else if (y_offset == 4) { \ | |
| __m256i src_next_reg; \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, src_stride) \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_reg = _mm256_avg_epu8(src_reg, sec_reg); \ | |
| sec += sec_stride; \ | |
| /* expend each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 0 and y_offset = bilin interpolation */ \ | |
| } else { \ | |
| __m256i filter, pw8, src_next_reg; \ | |
| \ | |
| y_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, src_stride) \ | |
| FILTER_SRC(filter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_reg = _mm256_avg_epu8(src_reg, sec_reg); \ | |
| sec += sec_stride; \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| } \ | |
| /* x_offset = 4 and y_offset = 0 */ \ | |
| } else if (x_offset == 4) { \ | |
| if (y_offset == 0) { \ | |
| __m256i src_next_reg; \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_reg = _mm256_avg_epu8(src_reg, sec_reg); \ | |
| sec += sec_stride; \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 4 and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i src_next_reg, src_avg; \ | |
| /* load source and another source starting from the next */ \ | |
| /* following byte */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| for (i = 0; i < height; i++) { \ | |
| /* save current source average */ \ | |
| src_avg = src_reg; \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| /* average between previous average to current average */ \ | |
| src_avg = _mm256_avg_epu8(src_avg, src_reg); \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_avg = _mm256_avg_epu8(src_avg, sec_reg); \ | |
| sec += sec_stride; \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_avg, zero_reg) \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = 4 and y_offset = bilin interpolation */ \ | |
| } else { \ | |
| __m256i filter, pw8, src_next_reg, src_avg; \ | |
| y_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load source and another source starting from the next */ \ | |
| /* following byte */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| for (i = 0; i < height; i++) { \ | |
| /* save current source average */ \ | |
| src_avg = src_reg; \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| AVG_NEXT_SRC(src_reg, 1) \ | |
| MERGE_WITH_SRC(src_avg, src_reg) \ | |
| FILTER_SRC(filter) \ | |
| src_avg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_avg = _mm256_avg_epu8(src_avg, sec_reg); \ | |
| /* expand each byte to 2 bytes */ \ | |
| MERGE_WITH_SRC(src_avg, zero_reg) \ | |
| sec += sec_stride; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = 0 */ \ | |
| } else { \ | |
| if (y_offset == 0) { \ | |
| __m256i filter, pw8, src_next_reg; \ | |
| x_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| for (i = 0; i < height; i++) { \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_reg = _mm256_avg_epu8(src_reg, sec_reg); \ | |
| MERGE_WITH_SRC(src_reg, zero_reg) \ | |
| sec += sec_stride; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| src += src_stride; \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = 4 */ \ | |
| } else if (y_offset == 4) { \ | |
| __m256i filter, pw8, src_next_reg, src_pack; \ | |
| x_offset <<= 5; \ | |
| filter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| /* convert each 16 bit to 8 bit to each low and high lane source */ \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| for (i = 0; i < height; i++) { \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(filter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| /* average between previous pack to the current */ \ | |
| src_pack = _mm256_avg_epu8(src_pack, src_reg); \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_pack = _mm256_avg_epu8(src_pack, sec_reg); \ | |
| sec += sec_stride; \ | |
| MERGE_WITH_SRC(src_pack, zero_reg) \ | |
| src_pack = src_reg; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| /* x_offset = bilin interpolation and y_offset = bilin interpolation \ | |
| */ \ | |
| } else { \ | |
| __m256i xfilter, yfilter, pw8, src_next_reg, src_pack; \ | |
| x_offset <<= 5; \ | |
| xfilter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + x_offset)); \ | |
| y_offset <<= 5; \ | |
| yfilter = _mm256_load_si256( \ | |
| (__m256i const *)(bilinear_filters_avx2 + y_offset)); \ | |
| pw8 = _mm256_set1_epi16(8); \ | |
| /* load source and another source starting from the next */ \ | |
| /* following byte */ \ | |
| src_reg = _mm256_loadu_si256((__m256i const *)(src)); \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| \ | |
| FILTER_SRC(xfilter) \ | |
| /* convert each 16 bit to 8 bit to each low and high lane source */ \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| for (i = 0; i < height; i++) { \ | |
| src += src_stride; \ | |
| LOAD_SRC_DST \ | |
| MERGE_NEXT_SRC(src_reg, 1) \ | |
| FILTER_SRC(xfilter) \ | |
| src_reg = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| /* merge previous pack to current pack source */ \ | |
| MERGE_WITH_SRC(src_pack, src_reg) \ | |
| /* filter the source */ \ | |
| FILTER_SRC(yfilter) \ | |
| src_pack = _mm256_packus_epi16(exp_src_lo, exp_src_hi); \ | |
| sec_reg = _mm256_loadu_si256((__m256i const *)(sec)); \ | |
| src_pack = _mm256_avg_epu8(src_pack, sec_reg); \ | |
| MERGE_WITH_SRC(src_pack, zero_reg) \ | |
| src_pack = src_reg; \ | |
| sec += sec_stride; \ | |
| CALC_SUM_SSE_INSIDE_LOOP \ | |
| dst += dst_stride; \ | |
| } \ | |
| } \ | |
| } \ | |
| CALC_SUM_AND_SSE \ | |
| _mm256_zeroupper(); \ | |
| return sum; \ | |
| } \ | |
| unsigned int aom_sub_pixel_avg_variance32x##height##_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, unsigned int *sse, \ | |
| const uint8_t *sec_ptr) { \ | |
| const int sum = sub_pixel_avg_variance32x##height##_imp_avx2( \ | |
| src, src_stride, x_offset, y_offset, dst, dst_stride, sec_ptr, 32, \ | |
| sse); \ | |
| return *sse - (unsigned int)(((int64_t)sum * sum) >> (5 + log2height)); \ | |
| } | |
| MAKE_SUB_PIXEL_AVG_VAR_32XH(64, 6) | |
| MAKE_SUB_PIXEL_AVG_VAR_32XH(32, 5) | |
| MAKE_SUB_PIXEL_AVG_VAR_32XH(16, 4) | |
| #define AOM_SUB_PIXEL_AVG_VAR_AVX2(w, h, wf, hf, wlog2, hlog2) \ | |
| unsigned int aom_sub_pixel_avg_variance##w##x##h##_avx2( \ | |
| const uint8_t *src, int src_stride, int x_offset, int y_offset, \ | |
| const uint8_t *dst, int dst_stride, unsigned int *sse_ptr, \ | |
| const uint8_t *sec) { \ | |
| unsigned int sse = 0; \ | |
| int se = 0; \ | |
| for (int i = 0; i < (w / wf); ++i) { \ | |
| const uint8_t *src_ptr = src; \ | |
| const uint8_t *dst_ptr = dst; \ | |
| const uint8_t *sec_ptr = sec; \ | |
| for (int j = 0; j < (h / hf); ++j) { \ | |
| unsigned int sse2; \ | |
| const int se2 = sub_pixel_avg_variance##wf##x##hf##_imp_avx2( \ | |
| src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, \ | |
| sec_ptr, w, &sse2); \ | |
| dst_ptr += hf * dst_stride; \ | |
| src_ptr += hf * src_stride; \ | |
| sec_ptr += hf * w; \ | |
| se += se2; \ | |
| sse += sse2; \ | |
| } \ | |
| src += wf; \ | |
| dst += wf; \ | |
| sec += wf; \ | |
| } \ | |
| *sse_ptr = sse; \ | |
| return sse - (unsigned int)(((int64_t)se * se) >> (wlog2 + hlog2)); \ | |
| } | |
| // Note: hf = AOMMIN(h, 64) to avoid overflow in helper by capping height. | |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(128, 128, 32, 64, 7, 7) | |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(128, 64, 32, 64, 7, 6) | |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 128, 32, 64, 6, 7) | |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 64, 32, 64, 6, 6) | |
| AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 32, 32, 32, 6, 5) |