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author | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:15 -0500 |
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committer | trav90 <travawine@palemoon.org> | 2018-10-19 21:52:20 -0500 |
commit | bbcc64772580c8a979288791afa02d30bc476d2e (patch) | |
tree | 437ce94c3fdd7497508e5b55de06c6d011678597 /third_party/aom/av1/common/x86/convolve_2d_avx2.c | |
parent | 14805f6ddbfb173c327768fff9f81f40ce5e81b0 (diff) | |
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Update aom to v1.0.0
Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
Diffstat (limited to 'third_party/aom/av1/common/x86/convolve_2d_avx2.c')
-rw-r--r-- | third_party/aom/av1/common/x86/convolve_2d_avx2.c | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/convolve_2d_avx2.c b/third_party/aom/av1/common/x86/convolve_2d_avx2.c new file mode 100644 index 000000000..fd5e90a2e --- /dev/null +++ b/third_party/aom/av1/common/x86/convolve_2d_avx2.c @@ -0,0 +1,285 @@ +/* + * Copyright (c) 2017, 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> + +#include "config/aom_dsp_rtcd.h" +#include "config/av1_rtcd.h" + +#include "aom_dsp/aom_convolve.h" +#include "aom_dsp/x86/convolve_avx2.h" +#include "aom_dsp/x86/convolve_common_intrin.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/aom_filter.h" +#include "aom_dsp/x86/synonyms.h" +#include "av1/common/convolve.h" + +void av1_convolve_2d_sr_avx2(const uint8_t *src, int src_stride, uint8_t *dst, + int dst_stride, 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; + + DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]); + int im_h = h + filter_params_y->taps - 1; + int im_stride = 8; + int i, j; + const int fo_vert = filter_params_y->taps / 2 - 1; + const int fo_horiz = filter_params_x->taps / 2 - 1; + const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; + + const int bits = + FILTER_BITS * 2 - conv_params->round_0 - conv_params->round_1; + const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; + + __m256i filt[4], coeffs_h[4], coeffs_v[4]; + + assert(conv_params->round_0 > 0); + + filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2); + filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2); + filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2); + filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2); + + prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs_h); + prepare_coeffs(filter_params_y, subpel_y_q4, coeffs_v); + + const __m256i round_const_h = _mm256_set1_epi16( + ((1 << (conv_params->round_0 - 1)) >> 1) + (1 << (bd + FILTER_BITS - 2))); + const __m128i round_shift_h = _mm_cvtsi32_si128(conv_params->round_0 - 1); + + const __m256i sum_round_v = _mm256_set1_epi32( + (1 << offset_bits) + ((1 << conv_params->round_1) >> 1)); + const __m128i sum_shift_v = _mm_cvtsi32_si128(conv_params->round_1); + + const __m256i round_const_v = _mm256_set1_epi32( + ((1 << bits) >> 1) - (1 << (offset_bits - conv_params->round_1)) - + ((1 << (offset_bits - conv_params->round_1)) >> 1)); + const __m128i round_shift_v = _mm_cvtsi32_si128(bits); + + for (j = 0; j < w; j += 8) { + for (i = 0; i < im_h; i += 2) { + __m256i data = _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + j])); + + // Load the next line + if (i + 1 < im_h) + data = _mm256_inserti128_si256( + data, + _mm_loadu_si128( + (__m128i *)&src_ptr[(i * src_stride) + j + src_stride]), + 1); + + __m256i res = convolve_lowbd_x(data, coeffs_h, filt); + + res = + _mm256_sra_epi16(_mm256_add_epi16(res, round_const_h), round_shift_h); + + _mm256_store_si256((__m256i *)&im_block[i * im_stride], res); + } + + /* Vertical filter */ + { + __m256i src_0 = _mm256_loadu_si256((__m256i *)(im_block + 0 * im_stride)); + __m256i src_1 = _mm256_loadu_si256((__m256i *)(im_block + 1 * im_stride)); + __m256i src_2 = _mm256_loadu_si256((__m256i *)(im_block + 2 * im_stride)); + __m256i src_3 = _mm256_loadu_si256((__m256i *)(im_block + 3 * im_stride)); + __m256i src_4 = _mm256_loadu_si256((__m256i *)(im_block + 4 * im_stride)); + __m256i src_5 = _mm256_loadu_si256((__m256i *)(im_block + 5 * im_stride)); + + __m256i s[8]; + s[0] = _mm256_unpacklo_epi16(src_0, src_1); + s[1] = _mm256_unpacklo_epi16(src_2, src_3); + s[2] = _mm256_unpacklo_epi16(src_4, src_5); + + s[4] = _mm256_unpackhi_epi16(src_0, src_1); + s[5] = _mm256_unpackhi_epi16(src_2, src_3); + s[6] = _mm256_unpackhi_epi16(src_4, src_5); + + for (i = 0; i < h; i += 2) { + const int16_t *data = &im_block[i * im_stride]; + + const __m256i s6 = + _mm256_loadu_si256((__m256i *)(data + 6 * im_stride)); + const __m256i s7 = + _mm256_loadu_si256((__m256i *)(data + 7 * im_stride)); + + s[3] = _mm256_unpacklo_epi16(s6, s7); + s[7] = _mm256_unpackhi_epi16(s6, s7); + + __m256i res_a = convolve(s, coeffs_v); + __m256i res_b = convolve(s + 4, coeffs_v); + + // Combine V round and 2F-H-V round into a single rounding + res_a = + _mm256_sra_epi32(_mm256_add_epi32(res_a, sum_round_v), sum_shift_v); + res_b = + _mm256_sra_epi32(_mm256_add_epi32(res_b, sum_round_v), sum_shift_v); + + const __m256i res_a_round = _mm256_sra_epi32( + _mm256_add_epi32(res_a, round_const_v), round_shift_v); + const __m256i res_b_round = _mm256_sra_epi32( + _mm256_add_epi32(res_b, round_const_v), round_shift_v); + + /* rounding code */ + // 16 bit conversion + const __m256i res_16bit = _mm256_packs_epi32(res_a_round, res_b_round); + // 8 bit conversion and saturation to uint8 + const __m256i res_8b = _mm256_packus_epi16(res_16bit, res_16bit); + + const __m128i res_0 = _mm256_castsi256_si128(res_8b); + const __m128i res_1 = _mm256_extracti128_si256(res_8b, 1); + + // Store values into the destination buffer + __m128i *const p_0 = (__m128i *)&dst[i * dst_stride + j]; + __m128i *const p_1 = (__m128i *)&dst[i * dst_stride + j + dst_stride]; + if (w - j > 4) { + _mm_storel_epi64(p_0, res_0); + _mm_storel_epi64(p_1, res_1); + } else if (w == 4) { + xx_storel_32(p_0, res_0); + xx_storel_32(p_1, res_1); + } else { + *(uint16_t *)p_0 = _mm_cvtsi128_si32(res_0); + *(uint16_t *)p_1 = _mm_cvtsi128_si32(res_1); + } + + s[0] = s[1]; + s[1] = s[2]; + s[2] = s[3]; + + s[4] = s[5]; + s[5] = s[6]; + s[6] = s[7]; + } + } + } +} + +static INLINE void copy_128(const uint8_t *src, uint8_t *dst) { + __m256i s[4]; + s[0] = _mm256_loadu_si256((__m256i *)(src + 0 * 32)); + s[1] = _mm256_loadu_si256((__m256i *)(src + 1 * 32)); + s[2] = _mm256_loadu_si256((__m256i *)(src + 2 * 32)); + s[3] = _mm256_loadu_si256((__m256i *)(src + 3 * 32)); + _mm256_storeu_si256((__m256i *)(dst + 0 * 32), s[0]); + _mm256_storeu_si256((__m256i *)(dst + 1 * 32), s[1]); + _mm256_storeu_si256((__m256i *)(dst + 2 * 32), s[2]); + _mm256_storeu_si256((__m256i *)(dst + 3 * 32), s[3]); +} + +void av1_convolve_2d_copy_sr_avx2(const uint8_t *src, int src_stride, + uint8_t *dst, int dst_stride, 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) { + (void)filter_params_x; + (void)filter_params_y; + (void)subpel_x_q4; + (void)subpel_y_q4; + (void)conv_params; + + if (w >= 16) { + assert(!((intptr_t)dst % 16)); + assert(!(dst_stride % 16)); + } + + if (w == 2) { + do { + memcpy(dst, src, 2 * sizeof(*src)); + src += src_stride; + dst += dst_stride; + memcpy(dst, src, 2 * sizeof(*src)); + src += src_stride; + dst += dst_stride; + h -= 2; + } while (h); + } else if (w == 4) { + do { + memcpy(dst, src, 4 * sizeof(*src)); + src += src_stride; + dst += dst_stride; + memcpy(dst, src, 4 * sizeof(*src)); + src += src_stride; + dst += dst_stride; + h -= 2; + } while (h); + } else if (w == 8) { + do { + __m128i s[2]; + s[0] = _mm_loadl_epi64((__m128i *)src); + src += src_stride; + s[1] = _mm_loadl_epi64((__m128i *)src); + src += src_stride; + _mm_storel_epi64((__m128i *)dst, s[0]); + dst += dst_stride; + _mm_storel_epi64((__m128i *)dst, s[1]); + dst += dst_stride; + h -= 2; + } while (h); + } else if (w == 16) { + do { + __m128i s[2]; + s[0] = _mm_loadu_si128((__m128i *)src); + src += src_stride; + s[1] = _mm_loadu_si128((__m128i *)src); + src += src_stride; + _mm_store_si128((__m128i *)dst, s[0]); + dst += dst_stride; + _mm_store_si128((__m128i *)dst, s[1]); + dst += dst_stride; + h -= 2; + } while (h); + } else if (w == 32) { + do { + __m256i s[2]; + s[0] = _mm256_loadu_si256((__m256i *)src); + src += src_stride; + s[1] = _mm256_loadu_si256((__m256i *)src); + src += src_stride; + _mm256_storeu_si256((__m256i *)dst, s[0]); + dst += dst_stride; + _mm256_storeu_si256((__m256i *)dst, s[1]); + dst += dst_stride; + h -= 2; + } while (h); + } else if (w == 64) { + do { + __m256i s[4]; + s[0] = _mm256_loadu_si256((__m256i *)(src + 0 * 32)); + s[1] = _mm256_loadu_si256((__m256i *)(src + 1 * 32)); + src += src_stride; + s[2] = _mm256_loadu_si256((__m256i *)(src + 0 * 32)); + s[3] = _mm256_loadu_si256((__m256i *)(src + 1 * 32)); + src += src_stride; + _mm256_storeu_si256((__m256i *)(dst + 0 * 32), s[0]); + _mm256_storeu_si256((__m256i *)(dst + 1 * 32), s[1]); + dst += dst_stride; + _mm256_storeu_si256((__m256i *)(dst + 0 * 32), s[2]); + _mm256_storeu_si256((__m256i *)(dst + 1 * 32), s[3]); + dst += dst_stride; + h -= 2; + } while (h); + } else { + do { + copy_128(src, dst); + src += src_stride; + dst += dst_stride; + copy_128(src, dst); + src += src_stride; + dst += dst_stride; + h -= 2; + } while (h); + } +} |