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Diffstat (limited to 'media/libvpx/vp9/encoder/x86/vp9_subpel_variance_impl_intrin_avx2.c')
| -rw-r--r-- | media/libvpx/vp9/encoder/x86/vp9_subpel_variance_impl_intrin_avx2.c | 525 |
1 files changed, 525 insertions, 0 deletions
diff --git a/media/libvpx/vp9/encoder/x86/vp9_subpel_variance_impl_intrin_avx2.c b/media/libvpx/vp9/encoder/x86/vp9_subpel_variance_impl_intrin_avx2.c new file mode 100644 index 000000000..b1c797520 --- /dev/null +++ b/media/libvpx/vp9/encoder/x86/vp9_subpel_variance_impl_intrin_avx2.c @@ -0,0 +1,525 @@ +/* + * Copyright (c) 2012 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <immintrin.h> // AVX2 + +#include "./vp9_rtcd.h" +#include "vpx_ports/mem.h" +#include "vp9/encoder/vp9_variance.h" + +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, +}; + +#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)); + + +unsigned int vp9_sub_pixel_variance32xh_avx2(const uint8_t *src, + int src_stride, + int x_offset, + int y_offset, + const uint8_t *dst, + int dst_stride, + int height, + 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_set1_epi16(0); + sse_reg = _mm256_set1_epi16(0); + zero_reg = _mm256_set1_epi16(0); + + // 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 = 8 + } else if (y_offset == 8) { + __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 = 8 and y_offset = 0 + } else if (x_offset == 8) { + 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 = 8 and y_offset = 8 + } else if (y_offset == 8) { + __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 = 8 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 = 8 + } else if (y_offset == 8) { + __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 + return sum; +} + +unsigned int vp9_sub_pixel_avg_variance32xh_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, + int height, + 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_set1_epi16(0); + sse_reg = _mm256_set1_epi16(0); + zero_reg = _mm256_set1_epi16(0); + + // 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 == 8) { + __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 = 8 and y_offset = 0 + } else if (x_offset == 8) { + 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 = 8 and y_offset = 8 + } else if (y_offset == 8) { + __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 = 8 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 = 8 + } else if (y_offset == 8) { + __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 + return sum; +} |