diff options
Diffstat (limited to 'third_party/aom/av1/common/x86/jnt_convolve_ssse3.c')
| -rw-r--r-- | third_party/aom/av1/common/x86/jnt_convolve_ssse3.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/jnt_convolve_ssse3.c b/third_party/aom/av1/common/x86/jnt_convolve_ssse3.c new file mode 100644 index 000000000..822772782 --- /dev/null +++ b/third_party/aom/av1/common/x86/jnt_convolve_ssse3.c @@ -0,0 +1,232 @@ +/* + * 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. + */ + +#include <tmmintrin.h> + +#include "config/aom_dsp_rtcd.h" + +#include "aom_dsp/aom_filter.h" +#include "aom_dsp/x86/convolve_sse2.h" + +void av1_jnt_convolve_2d_ssse3(const uint8_t *src, int src_stride, + uint8_t *dst0, int dst_stride0, int w, int h, + const InterpFilterParams *filter_params_x, + const InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + CONV_BUF_TYPE *dst = conv_params->dst; + int dst_stride = conv_params->dst_stride; + const int bd = 8; + + DECLARE_ALIGNED(16, int16_t, + im_block[(MAX_SB_SIZE + MAX_FILTER_TAP - 1) * MAX_SB_SIZE]); + int im_h = h + filter_params_y->taps - 1; + int im_stride = MAX_SB_SIZE; + int i, j; + const int fo_vert = filter_params_y->taps / 2 - 1; + const int fo_horiz = filter_params_x->taps / 2 - 1; + const int do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; + + const __m128i zero = _mm_setzero_si128(); + + const int w0 = conv_params->fwd_offset; + const int w1 = conv_params->bck_offset; + const __m128i wt0 = _mm_set1_epi16(w0); + const __m128i wt1 = _mm_set1_epi16(w1); + const __m128i wt = _mm_unpacklo_epi16(wt0, wt1); + + const int offset_0 = + bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); + const __m128i offset_const = _mm_set1_epi16(offset); + const int rounding_shift = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const __m128i rounding_const = _mm_set1_epi16((1 << rounding_shift) >> 1); + + /* Horizontal filter */ + { + const int16_t *x_filter = av1_get_interp_filter_subpel_kernel( + filter_params_x, subpel_x_q4 & SUBPEL_MASK); + const __m128i coeffs_x = _mm_loadu_si128((__m128i *)x_filter); + + // coeffs 0 1 0 1 2 3 2 3 + const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_x, coeffs_x); + // coeffs 4 5 4 5 6 7 6 7 + const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_x, coeffs_x); + + // coeffs 0 1 0 1 0 1 0 1 + const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); + // coeffs 2 3 2 3 2 3 2 3 + const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); + // coeffs 4 5 4 5 4 5 4 5 + const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); + // coeffs 6 7 6 7 6 7 6 7 + const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); + + const __m128i round_const = _mm_set1_epi32( + ((1 << conv_params->round_0) >> 1) + (1 << (bd + FILTER_BITS - 1))); + const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); + + for (i = 0; i < im_h; ++i) { + for (j = 0; j < w; j += 8) { + const __m128i data = + _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); + + const __m128i src_lo = _mm_unpacklo_epi8(data, zero); + const __m128i src_hi = _mm_unpackhi_epi8(data, zero); + + // Filter even-index pixels + const __m128i res_0 = _mm_madd_epi16(src_lo, coeff_01); + const __m128i src_2 = _mm_alignr_epi8(src_hi, src_lo, 4); + const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); + const __m128i src_4 = _mm_alignr_epi8(src_hi, src_lo, 8); + const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); + const __m128i src_6 = _mm_alignr_epi8(src_hi, src_lo, 12); + const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); + + __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_4), + _mm_add_epi32(res_2, res_6)); + res_even = + _mm_sra_epi32(_mm_add_epi32(res_even, round_const), round_shift); + + // Filter odd-index pixels + const __m128i src_1 = _mm_alignr_epi8(src_hi, src_lo, 2); + const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); + const __m128i src_3 = _mm_alignr_epi8(src_hi, src_lo, 6); + const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); + const __m128i src_5 = _mm_alignr_epi8(src_hi, src_lo, 10); + const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); + const __m128i src_7 = _mm_alignr_epi8(src_hi, src_lo, 14); + const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); + + __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_5), + _mm_add_epi32(res_3, res_7)); + res_odd = + _mm_sra_epi32(_mm_add_epi32(res_odd, round_const), round_shift); + + // Pack in the column order 0, 2, 4, 6, 1, 3, 5, 7 + __m128i res = _mm_packs_epi32(res_even, res_odd); + _mm_store_si128((__m128i *)&im_block[i * im_stride + j], res); + } + } + } + + /* Vertical filter */ + { + const int16_t *y_filter = av1_get_interp_filter_subpel_kernel( + filter_params_y, subpel_y_q4 & SUBPEL_MASK); + const __m128i coeffs_y = _mm_loadu_si128((__m128i *)y_filter); + + // coeffs 0 1 0 1 2 3 2 3 + const __m128i tmp_0 = _mm_unpacklo_epi32(coeffs_y, coeffs_y); + // coeffs 4 5 4 5 6 7 6 7 + const __m128i tmp_1 = _mm_unpackhi_epi32(coeffs_y, coeffs_y); + + // coeffs 0 1 0 1 0 1 0 1 + const __m128i coeff_01 = _mm_unpacklo_epi64(tmp_0, tmp_0); + // coeffs 2 3 2 3 2 3 2 3 + const __m128i coeff_23 = _mm_unpackhi_epi64(tmp_0, tmp_0); + // coeffs 4 5 4 5 4 5 4 5 + const __m128i coeff_45 = _mm_unpacklo_epi64(tmp_1, tmp_1); + // coeffs 6 7 6 7 6 7 6 7 + const __m128i coeff_67 = _mm_unpackhi_epi64(tmp_1, tmp_1); + + const __m128i round_const = _mm_set1_epi32( + ((1 << conv_params->round_1) >> 1) - + (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); + const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); + + for (i = 0; i < h; ++i) { + for (j = 0; j < w; j += 8) { + // Filter even-index pixels + const int16_t *data = &im_block[i * im_stride + j]; + const __m128i src_0 = + _mm_unpacklo_epi16(*(__m128i *)(data + 0 * im_stride), + *(__m128i *)(data + 1 * im_stride)); + const __m128i src_2 = + _mm_unpacklo_epi16(*(__m128i *)(data + 2 * im_stride), + *(__m128i *)(data + 3 * im_stride)); + const __m128i src_4 = + _mm_unpacklo_epi16(*(__m128i *)(data + 4 * im_stride), + *(__m128i *)(data + 5 * im_stride)); + const __m128i src_6 = + _mm_unpacklo_epi16(*(__m128i *)(data + 6 * im_stride), + *(__m128i *)(data + 7 * im_stride)); + + const __m128i res_0 = _mm_madd_epi16(src_0, coeff_01); + const __m128i res_2 = _mm_madd_epi16(src_2, coeff_23); + const __m128i res_4 = _mm_madd_epi16(src_4, coeff_45); + const __m128i res_6 = _mm_madd_epi16(src_6, coeff_67); + + const __m128i res_even = _mm_add_epi32(_mm_add_epi32(res_0, res_2), + _mm_add_epi32(res_4, res_6)); + + // Filter odd-index pixels + const __m128i src_1 = + _mm_unpackhi_epi16(*(__m128i *)(data + 0 * im_stride), + *(__m128i *)(data + 1 * im_stride)); + const __m128i src_3 = + _mm_unpackhi_epi16(*(__m128i *)(data + 2 * im_stride), + *(__m128i *)(data + 3 * im_stride)); + const __m128i src_5 = + _mm_unpackhi_epi16(*(__m128i *)(data + 4 * im_stride), + *(__m128i *)(data + 5 * im_stride)); + const __m128i src_7 = + _mm_unpackhi_epi16(*(__m128i *)(data + 6 * im_stride), + *(__m128i *)(data + 7 * im_stride)); + + const __m128i res_1 = _mm_madd_epi16(src_1, coeff_01); + const __m128i res_3 = _mm_madd_epi16(src_3, coeff_23); + const __m128i res_5 = _mm_madd_epi16(src_5, coeff_45); + const __m128i res_7 = _mm_madd_epi16(src_7, coeff_67); + + const __m128i res_odd = _mm_add_epi32(_mm_add_epi32(res_1, res_3), + _mm_add_epi32(res_5, res_7)); + + // Rearrange pixels back into the order 0 ... 7 + const __m128i res_lo = _mm_unpacklo_epi32(res_even, res_odd); + const __m128i res_hi = _mm_unpackhi_epi32(res_even, res_odd); + + const __m128i res_lo_round = + _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift); + const __m128i res_hi_round = + _mm_sra_epi32(_mm_add_epi32(res_hi, round_const), round_shift); + + const __m128i res_16b = _mm_packs_epi32(res_lo_round, res_hi_round); + const __m128i res_unsigned = _mm_add_epi16(res_16b, offset_const); + + // Accumulate values into the destination buffer + if (do_average) { + const __m128i data_ref_0 = + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j])); + + const __m128i comp_avg_res = + comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_comp_avg); + + const __m128i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m128i res_8 = _mm_packus_epi16(round_result, round_result); + + if (w > 4) + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); + else + *(uint32_t *)(&dst0[i * dst_stride0 + j]) = + _mm_cvtsi128_si32(res_8); + } else { + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); + } + } + } + } +} |