diff options
Diffstat (limited to 'third_party/aom/av1/common/x86/jnt_convolve_sse2.c')
-rw-r--r-- | third_party/aom/av1/common/x86/jnt_convolve_sse2.c | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/jnt_convolve_sse2.c b/third_party/aom/av1/common/x86/jnt_convolve_sse2.c new file mode 100644 index 000000000..4df7bd42e --- /dev/null +++ b/third_party/aom/av1/common/x86/jnt_convolve_sse2.c @@ -0,0 +1,385 @@ +/* + * 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 <emmintrin.h> + +#include "config/aom_dsp_rtcd.h" + +#include "aom_dsp/aom_filter.h" +#include "aom_dsp/x86/convolve_sse2.h" + +void av1_jnt_convolve_x_sse2(const uint8_t *src, int src_stride, uint8_t *dst0, + int dst_stride0, int w, int h, + InterpFilterParams *filter_params_x, + InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + const int bd = 8; + CONV_BUF_TYPE *dst = conv_params->dst; + const int dst_stride = conv_params->dst_stride; + const int fo_horiz = filter_params_x->taps / 2 - 1; + const uint8_t *src_ptr = src - fo_horiz; + const int bits = FILTER_BITS - conv_params->round_1; + const __m128i left_shift = _mm_cvtsi32_si128(bits); + const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_0) >> 1); + const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0); + 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 do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + 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); + __m128i coeffs[4]; + + (void)filter_params_y; + (void)subpel_y_q4; + + prepare_coeffs(filter_params_x, subpel_x_q4, coeffs); + + if (w == 4) { + do { + const __m128i data = _mm_loadu_si128((__m128i *)src_ptr); + __m128i s[4]; + + s[0] = _mm_unpacklo_epi8(data, _mm_srli_si128(data, 1)); + s[1] = + _mm_unpacklo_epi8(_mm_srli_si128(data, 2), _mm_srli_si128(data, 3)); + s[2] = + _mm_unpacklo_epi8(_mm_srli_si128(data, 4), _mm_srli_si128(data, 5)); + s[3] = + _mm_unpacklo_epi8(_mm_srli_si128(data, 6), _mm_srli_si128(data, 7)); + const __m128i res_lo = convolve_lo_x(s, coeffs); + const __m128i res_lo_round = + _mm_sra_epi32(_mm_add_epi32(res_lo, round_const), round_shift); + const __m128i res_lo_shift = _mm_sll_epi32(res_lo_round, left_shift); + + const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_lo_shift); + 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); + + 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); + *(uint32_t *)(&dst0[0]) = _mm_cvtsi128_si32(res_8); + } else { + _mm_store_si128((__m128i *)(&dst[0]), res_unsigned); + } + src_ptr += src_stride; + dst += dst_stride; + dst0 += dst_stride0; + } while (--h); + } else { + assert(!(w % 8)); + int i = 0; + do { + int j = 0; + do { + const __m128i data = + _mm_loadu_si128((__m128i *)&src_ptr[i * src_stride + j]); + __m128i s[4]; + + // Filter even-index pixels + s[0] = data; + s[1] = _mm_srli_si128(data, 2); + s[2] = _mm_srli_si128(data, 4); + s[3] = _mm_srli_si128(data, 6); + const __m128i res_even = convolve_lo_x(s, coeffs); + + // Filter odd-index pixels + s[0] = _mm_srli_si128(data, 1); + s[1] = _mm_srli_si128(data, 3); + s[2] = _mm_srli_si128(data, 5); + s[3] = _mm_srli_si128(data, 7); + const __m128i res_odd = convolve_lo_x(s, coeffs); + + // 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_lo_shift = _mm_sll_epi32(res_lo_round, left_shift); + const __m128i res_hi_shift = _mm_sll_epi32(res_hi_round, left_shift); + + const __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift); + 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); + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); + } else { + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); + } + j += 8; + } while (j < w); + } while (++i < h); + } +} + +void av1_jnt_convolve_y_sse2(const uint8_t *src, int src_stride, uint8_t *dst0, + int dst_stride0, int w, int h, + InterpFilterParams *filter_params_x, + InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + const int bd = 8; + CONV_BUF_TYPE *dst = conv_params->dst; + const int dst_stride = conv_params->dst_stride; + const int fo_vert = filter_params_y->taps / 2 - 1; + const uint8_t *src_ptr = src - fo_vert * src_stride; + const int bits = FILTER_BITS - conv_params->round_0; + const __m128i left_shift = _mm_cvtsi32_si128(bits); + const __m128i wt0 = _mm_set1_epi16(conv_params->fwd_offset); + const __m128i wt1 = _mm_set1_epi16(conv_params->bck_offset); + const __m128i wt = _mm_unpacklo_epi16(wt0, wt1); + const int do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + 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); + const __m128i round_const = _mm_set1_epi32((1 << conv_params->round_1) >> 1); + const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); + __m128i coeffs[4]; + + (void)filter_params_x; + (void)subpel_x_q4; + + prepare_coeffs(filter_params_y, subpel_y_q4, coeffs); + + if (w == 4) { + __m128i s[8], src6, res, res_shift; + src6 = _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 6 * src_stride)); + s[0] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 0 * src_stride)), + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 1 * src_stride))); + s[1] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 1 * src_stride)), + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 2 * src_stride))); + s[2] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 2 * src_stride)), + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 3 * src_stride))); + s[3] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 3 * src_stride)), + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 4 * src_stride))); + s[4] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 4 * src_stride)), + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 5 * src_stride))); + s[5] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 5 * src_stride)), src6); + + do { + s[6] = _mm_unpacklo_epi8( + src6, _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 7 * src_stride))); + src6 = _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 8 * src_stride)); + s[7] = _mm_unpacklo_epi8( + _mm_cvtsi32_si128(*(uint32_t *)(src_ptr + 7 * src_stride)), src6); + + res = convolve_lo_y(s + 0, coeffs); + res_shift = _mm_sll_epi32(res, left_shift); + res_shift = + _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift); + + __m128i res_16b = _mm_packs_epi32(res_shift, res_shift); + __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); + + 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); + *(uint32_t *)(&dst0[0]) = _mm_cvtsi128_si32(res_8); + + } else { + _mm_store_si128((__m128i *)dst, res_unsigned); + } + + src_ptr += src_stride; + dst += dst_stride; + dst0 += dst_stride0; + + res = convolve_lo_y(s + 1, coeffs); + res_shift = _mm_sll_epi32(res, left_shift); + res_shift = + _mm_sra_epi32(_mm_add_epi32(res_shift, round_const), round_shift); + + res_16b = _mm_packs_epi32(res_shift, res_shift); + 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); + + 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); + *(uint32_t *)(&dst0[0]) = _mm_cvtsi128_si32(res_8); + + } else { + _mm_store_si128((__m128i *)dst, res_unsigned); + } + + src_ptr += src_stride; + dst += dst_stride; + dst0 += dst_stride0; + + s[0] = s[2]; + s[1] = s[3]; + s[2] = s[4]; + s[3] = s[5]; + s[4] = s[6]; + s[5] = s[7]; + h -= 2; + } while (h); + } else { + assert(!(w % 8)); + int j = 0; + do { + __m128i s[8], src6, res_lo, res_hi, res_lo_shift, res_hi_shift; + const uint8_t *data = &src_ptr[j]; + + src6 = _mm_loadl_epi64((__m128i *)(data + 6 * src_stride)); + s[0] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 0 * src_stride)), + _mm_loadl_epi64((__m128i *)(data + 1 * src_stride))); + s[1] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 1 * src_stride)), + _mm_loadl_epi64((__m128i *)(data + 2 * src_stride))); + s[2] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 2 * src_stride)), + _mm_loadl_epi64((__m128i *)(data + 3 * src_stride))); + s[3] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 3 * src_stride)), + _mm_loadl_epi64((__m128i *)(data + 4 * src_stride))); + s[4] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 4 * src_stride)), + _mm_loadl_epi64((__m128i *)(data + 5 * src_stride))); + s[5] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 5 * src_stride)), src6); + + int i = 0; + do { + data = &src_ptr[i * src_stride + j]; + s[6] = _mm_unpacklo_epi8( + src6, _mm_loadl_epi64((__m128i *)(data + 7 * src_stride))); + src6 = _mm_loadl_epi64((__m128i *)(data + 8 * src_stride)); + s[7] = _mm_unpacklo_epi8( + _mm_loadl_epi64((__m128i *)(data + 7 * src_stride)), src6); + + res_lo = convolve_lo_y(s, coeffs); // Filter low index pixels + res_hi = convolve_hi_y(s, coeffs); // Filter high index pixels + res_lo_shift = _mm_sll_epi32(res_lo, left_shift); + res_hi_shift = _mm_sll_epi32(res_hi, left_shift); + res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const), + round_shift); + res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const), + round_shift); + + __m128i res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift); + __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); + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); + } else { + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); + } + i++; + + res_lo = convolve_lo_y(s + 1, coeffs); // Filter low index pixels + res_hi = convolve_hi_y(s + 1, coeffs); // Filter high index pixels + res_lo_shift = _mm_sll_epi32(res_lo, left_shift); + res_hi_shift = _mm_sll_epi32(res_hi, left_shift); + res_lo_shift = _mm_sra_epi32(_mm_add_epi32(res_lo_shift, round_const), + round_shift); + res_hi_shift = _mm_sra_epi32(_mm_add_epi32(res_hi_shift, round_const), + round_shift); + res_16b = _mm_packs_epi32(res_lo_shift, res_hi_shift); + res_unsigned = _mm_add_epi16(res_16b, offset_const); + + // Accumulate values into the destination buffer + if (do_average) { + __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); + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_8); + } else { + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_unsigned); + } + i++; + + s[0] = s[2]; + s[1] = s[3]; + s[2] = s[4]; + s[3] = s[5]; + s[4] = s[6]; + s[5] = s[7]; + } while (i < h); + j += 8; + } while (j < w); + } +} |