| /* |
| * 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 <assert.h> |
| #include <smmintrin.h> |
| |
| #include "config/aom_config.h" |
| #include "config/av1_rtcd.h" |
| |
| void av1_filter_intra_edge_sse4_1(uint8_t *p, int sz, int strength) { |
| if (!strength) return; |
| |
| DECLARE_ALIGNED(16, static const int8_t, kern[3][16]) = { |
| { 4, 8, 4, 0, 4, 8, 4, 0, 4, 8, 4, 0, 4, 8, 4, 0 }, // strength 1: 4,8,4 |
| { 5, 6, 5, 0, 5, 6, 5, 0, 5, 6, 5, 0, 5, 6, 5, 0 }, // strength 2: 5,6,5 |
| { 2, 4, 4, 4, 2, 0, 0, 0, 2, 4, 4, 4, 2, 0, 0, 0 } // strength 3: 2,4,4,4,2 |
| }; |
| |
| DECLARE_ALIGNED(16, static const int8_t, v_const[5][16]) = { |
| { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 }, |
| { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 }, |
| { 0, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8 }, |
| { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, |
| }; |
| |
| // Extend the first and last samples to simplify the loop for the 5-tap case |
| p[-1] = p[0]; |
| __m128i last = _mm_set1_epi8(p[sz - 1]); |
| _mm_storeu_si128((__m128i *)&p[sz], last); |
| |
| // Adjust input pointer for filter support area |
| uint8_t *in = (strength == 3) ? p - 1 : p; |
| |
| // Avoid modifying first sample |
| uint8_t *out = p + 1; |
| int len = sz - 1; |
| |
| const int use_3tap_filter = (strength < 3); |
| |
| if (use_3tap_filter) { |
| __m128i coef0 = _mm_lddqu_si128((__m128i const *)kern[strength - 1]); |
| __m128i shuf0 = _mm_lddqu_si128((__m128i const *)v_const[0]); |
| __m128i shuf1 = _mm_lddqu_si128((__m128i const *)v_const[1]); |
| __m128i iden = _mm_lddqu_si128((__m128i *)v_const[3]); |
| __m128i in0 = _mm_lddqu_si128((__m128i *)in); |
| while (len > 0) { |
| int n_out = (len < 8) ? len : 8; |
| __m128i d0 = _mm_shuffle_epi8(in0, shuf0); |
| __m128i d1 = _mm_shuffle_epi8(in0, shuf1); |
| d0 = _mm_maddubs_epi16(d0, coef0); |
| d1 = _mm_maddubs_epi16(d1, coef0); |
| d0 = _mm_hadd_epi16(d0, d1); |
| __m128i eight = _mm_set1_epi16(8); |
| d0 = _mm_add_epi16(d0, eight); |
| d0 = _mm_srai_epi16(d0, 4); |
| d0 = _mm_packus_epi16(d0, d0); |
| __m128i out0 = _mm_lddqu_si128((__m128i *)out); |
| __m128i n0 = _mm_set1_epi8(n_out); |
| __m128i mask = _mm_cmpgt_epi8(n0, iden); |
| out0 = _mm_blendv_epi8(out0, d0, mask); |
| _mm_storel_epi64((__m128i *)out, out0); |
| __m128i in1 = _mm_lddqu_si128((__m128i *)(in + 16)); |
| in0 = _mm_alignr_epi8(in1, in0, 8); |
| in += 8; |
| out += 8; |
| len -= n_out; |
| } |
| } else { // 5-tap filter |
| __m128i coef0 = _mm_lddqu_si128((__m128i const *)kern[strength - 1]); |
| __m128i two = _mm_set1_epi8(2); |
| __m128i shuf_a = _mm_lddqu_si128((__m128i const *)v_const[2]); |
| __m128i shuf_b = _mm_add_epi8(shuf_a, two); |
| __m128i shuf_c = _mm_add_epi8(shuf_b, two); |
| __m128i shuf_d = _mm_add_epi8(shuf_c, two); |
| __m128i iden = _mm_lddqu_si128((__m128i *)v_const[3]); |
| __m128i in0 = _mm_lddqu_si128((__m128i *)in); |
| while (len > 0) { |
| int n_out = (len < 8) ? len : 8; |
| __m128i d0 = _mm_shuffle_epi8(in0, shuf_a); |
| __m128i d1 = _mm_shuffle_epi8(in0, shuf_b); |
| __m128i d2 = _mm_shuffle_epi8(in0, shuf_c); |
| __m128i d3 = _mm_shuffle_epi8(in0, shuf_d); |
| d0 = _mm_maddubs_epi16(d0, coef0); |
| d1 = _mm_maddubs_epi16(d1, coef0); |
| d2 = _mm_maddubs_epi16(d2, coef0); |
| d3 = _mm_maddubs_epi16(d3, coef0); |
| d0 = _mm_hadd_epi16(d0, d1); |
| d2 = _mm_hadd_epi16(d2, d3); |
| d0 = _mm_hadd_epi16(d0, d2); |
| __m128i eight = _mm_set1_epi16(8); |
| d0 = _mm_add_epi16(d0, eight); |
| d0 = _mm_srai_epi16(d0, 4); |
| d0 = _mm_packus_epi16(d0, d0); |
| __m128i out0 = _mm_lddqu_si128((__m128i *)out); |
| __m128i n0 = _mm_set1_epi8(n_out); |
| __m128i mask = _mm_cmpgt_epi8(n0, iden); |
| out0 = _mm_blendv_epi8(out0, d0, mask); |
| _mm_storel_epi64((__m128i *)out, out0); |
| __m128i in1 = _mm_lddqu_si128((__m128i *)(in + 16)); |
| in0 = _mm_alignr_epi8(in1, in0, 8); |
| in += 8; |
| out += 8; |
| len -= n_out; |
| } |
| } |
| } |
| |
| void av1_filter_intra_edge_high_sse4_1(uint16_t *p, int sz, int strength) { |
| if (!strength) return; |
| |
| DECLARE_ALIGNED(16, static const int16_t, kern[3][8]) = { |
| { 4, 8, 4, 8, 4, 8, 4, 8 }, // strength 1: 4,8,4 |
| { 5, 6, 5, 6, 5, 6, 5, 6 }, // strength 2: 5,6,5 |
| { 2, 4, 2, 4, 2, 4, 2, 4 } // strength 3: 2,4,4,4,2 |
| }; |
| |
| DECLARE_ALIGNED(16, static const int16_t, |
| v_const[1][8]) = { { 0, 1, 2, 3, 4, 5, 6, 7 } }; |
| |
| // Extend the first and last samples to simplify the loop for the 5-tap case |
| p[-1] = p[0]; |
| __m128i last = _mm_set1_epi16(p[sz - 1]); |
| _mm_storeu_si128((__m128i *)&p[sz], last); |
| |
| // Adjust input pointer for filter support area |
| uint16_t *in = (strength == 3) ? p - 1 : p; |
| |
| // Avoid modifying first sample |
| uint16_t *out = p + 1; |
| int len = sz - 1; |
| |
| const int use_3tap_filter = (strength < 3); |
| |
| if (use_3tap_filter) { |
| __m128i coef0 = _mm_lddqu_si128((__m128i const *)kern[strength - 1]); |
| __m128i iden = _mm_lddqu_si128((__m128i *)v_const[0]); |
| __m128i in0 = _mm_lddqu_si128((__m128i *)&in[0]); |
| __m128i in8 = _mm_lddqu_si128((__m128i *)&in[8]); |
| while (len > 0) { |
| int n_out = (len < 8) ? len : 8; |
| __m128i in1 = _mm_alignr_epi8(in8, in0, 2); |
| __m128i in2 = _mm_alignr_epi8(in8, in0, 4); |
| __m128i in02 = _mm_add_epi16(in0, in2); |
| __m128i d0 = _mm_unpacklo_epi16(in02, in1); |
| __m128i d1 = _mm_unpackhi_epi16(in02, in1); |
| d0 = _mm_mullo_epi16(d0, coef0); |
| d1 = _mm_mullo_epi16(d1, coef0); |
| d0 = _mm_hadd_epi16(d0, d1); |
| __m128i eight = _mm_set1_epi16(8); |
| d0 = _mm_add_epi16(d0, eight); |
| d0 = _mm_srli_epi16(d0, 4); |
| __m128i out0 = _mm_lddqu_si128((__m128i *)out); |
| __m128i n0 = _mm_set1_epi16(n_out); |
| __m128i mask = _mm_cmpgt_epi16(n0, iden); |
| out0 = _mm_blendv_epi8(out0, d0, mask); |
| _mm_storeu_si128((__m128i *)out, out0); |
| in += 8; |
| in0 = in8; |
| in8 = _mm_lddqu_si128((__m128i *)&in[8]); |
| out += 8; |
| len -= n_out; |
| } |
| } else { // 5-tap filter |
| __m128i coef0 = _mm_lddqu_si128((__m128i const *)kern[strength - 1]); |
| __m128i iden = _mm_lddqu_si128((__m128i *)v_const[0]); |
| __m128i in0 = _mm_lddqu_si128((__m128i *)&in[0]); |
| __m128i in8 = _mm_lddqu_si128((__m128i *)&in[8]); |
| while (len > 0) { |
| int n_out = (len < 8) ? len : 8; |
| __m128i in1 = _mm_alignr_epi8(in8, in0, 2); |
| __m128i in2 = _mm_alignr_epi8(in8, in0, 4); |
| __m128i in3 = _mm_alignr_epi8(in8, in0, 6); |
| __m128i in4 = _mm_alignr_epi8(in8, in0, 8); |
| __m128i in04 = _mm_add_epi16(in0, in4); |
| __m128i in123 = _mm_add_epi16(in1, in2); |
| in123 = _mm_add_epi16(in123, in3); |
| __m128i d0 = _mm_unpacklo_epi16(in04, in123); |
| __m128i d1 = _mm_unpackhi_epi16(in04, in123); |
| d0 = _mm_mullo_epi16(d0, coef0); |
| d1 = _mm_mullo_epi16(d1, coef0); |
| d0 = _mm_hadd_epi16(d0, d1); |
| __m128i eight = _mm_set1_epi16(8); |
| d0 = _mm_add_epi16(d0, eight); |
| d0 = _mm_srli_epi16(d0, 4); |
| __m128i out0 = _mm_lddqu_si128((__m128i *)out); |
| __m128i n0 = _mm_set1_epi16(n_out); |
| __m128i mask = _mm_cmpgt_epi16(n0, iden); |
| out0 = _mm_blendv_epi8(out0, d0, mask); |
| _mm_storeu_si128((__m128i *)out, out0); |
| in += 8; |
| in0 = in8; |
| in8 = _mm_lddqu_si128((__m128i *)&in[8]); |
| out += 8; |
| len -= n_out; |
| } |
| } |
| } |
| |
| void av1_upsample_intra_edge_sse4_1(uint8_t *p, int sz) { |
| // interpolate half-sample positions |
| assert(sz <= 24); |
| |
| DECLARE_ALIGNED(16, static const int8_t, kernel[1][16]) = { |
| { -1, 9, 9, -1, -1, 9, 9, -1, -1, 9, 9, -1, -1, 9, 9, -1 } |
| }; |
| |
| DECLARE_ALIGNED(16, static const int8_t, v_const[2][16]) = { |
| { 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6 }, |
| { 4, 5, 6, 7, 5, 6, 7, 8, 6, 7, 8, 9, 7, 8, 9, 10 } |
| }; |
| |
| // Extend first/last samples (upper-left p[-1], last p[sz-1]) |
| // to support 4-tap filter |
| p[-2] = p[-1]; |
| p[sz] = p[sz - 1]; |
| |
| uint8_t *in = &p[-2]; |
| uint8_t *out = &p[-2]; |
| |
| int n = sz + 1; // Input length including upper-left sample |
| |
| __m128i in0 = _mm_lddqu_si128((__m128i *)&in[0]); |
| __m128i in16 = _mm_lddqu_si128((__m128i *)&in[16]); |
| |
| __m128i coef0 = _mm_lddqu_si128((__m128i *)kernel[0]); |
| __m128i shuf0 = _mm_lddqu_si128((__m128i *)v_const[0]); |
| __m128i shuf1 = _mm_lddqu_si128((__m128i *)v_const[1]); |
| |
| while (n > 0) { |
| __m128i in8 = _mm_alignr_epi8(in16, in0, 8); |
| __m128i d0 = _mm_shuffle_epi8(in0, shuf0); |
| __m128i d1 = _mm_shuffle_epi8(in0, shuf1); |
| __m128i d2 = _mm_shuffle_epi8(in8, shuf0); |
| __m128i d3 = _mm_shuffle_epi8(in8, shuf1); |
| d0 = _mm_maddubs_epi16(d0, coef0); |
| d1 = _mm_maddubs_epi16(d1, coef0); |
| d2 = _mm_maddubs_epi16(d2, coef0); |
| d3 = _mm_maddubs_epi16(d3, coef0); |
| d0 = _mm_hadd_epi16(d0, d1); |
| d2 = _mm_hadd_epi16(d2, d3); |
| __m128i eight = _mm_set1_epi16(8); |
| d0 = _mm_add_epi16(d0, eight); |
| d2 = _mm_add_epi16(d2, eight); |
| d0 = _mm_srai_epi16(d0, 4); |
| d2 = _mm_srai_epi16(d2, 4); |
| d0 = _mm_packus_epi16(d0, d2); |
| __m128i in1 = _mm_alignr_epi8(in16, in0, 1); |
| __m128i out0 = _mm_unpacklo_epi8(in1, d0); |
| __m128i out1 = _mm_unpackhi_epi8(in1, d0); |
| _mm_storeu_si128((__m128i *)&out[0], out0); |
| _mm_storeu_si128((__m128i *)&out[16], out1); |
| in0 = in16; |
| in16 = _mm_setzero_si128(); |
| out += 32; |
| n -= 16; |
| } |
| } |
| |
| void av1_upsample_intra_edge_high_sse4_1(uint16_t *p, int sz, int bd) { |
| // interpolate half-sample positions |
| assert(sz <= 24); |
| |
| DECLARE_ALIGNED(16, static const int16_t, |
| kernel[1][8]) = { { -1, 9, -1, 9, -1, 9, -1, 9 } }; |
| |
| // Extend first/last samples (upper-left p[-1], last p[sz-1]) |
| // to support 4-tap filter |
| p[-2] = p[-1]; |
| p[sz] = p[sz - 1]; |
| |
| uint16_t *in = &p[-2]; |
| uint16_t *out = in; |
| int n = sz + 1; |
| |
| __m128i in0 = _mm_lddqu_si128((__m128i *)&in[0]); |
| __m128i in8 = _mm_lddqu_si128((__m128i *)&in[8]); |
| __m128i in16 = _mm_lddqu_si128((__m128i *)&in[16]); |
| __m128i in24 = _mm_lddqu_si128((__m128i *)&in[24]); |
| |
| while (n > 0) { |
| __m128i in1 = _mm_alignr_epi8(in8, in0, 2); |
| __m128i in2 = _mm_alignr_epi8(in8, in0, 4); |
| __m128i in3 = _mm_alignr_epi8(in8, in0, 6); |
| __m128i sum0 = _mm_add_epi16(in0, in3); |
| __m128i sum1 = _mm_add_epi16(in1, in2); |
| __m128i d0 = _mm_unpacklo_epi16(sum0, sum1); |
| __m128i d1 = _mm_unpackhi_epi16(sum0, sum1); |
| __m128i coef0 = _mm_lddqu_si128((__m128i *)kernel[0]); |
| d0 = _mm_madd_epi16(d0, coef0); |
| d1 = _mm_madd_epi16(d1, coef0); |
| __m128i eight = _mm_set1_epi32(8); |
| d0 = _mm_add_epi32(d0, eight); |
| d1 = _mm_add_epi32(d1, eight); |
| d0 = _mm_srai_epi32(d0, 4); |
| d1 = _mm_srai_epi32(d1, 4); |
| d0 = _mm_packus_epi32(d0, d1); |
| __m128i max0 = _mm_set1_epi16((1 << bd) - 1); |
| d0 = _mm_min_epi16(d0, max0); |
| __m128i out0 = _mm_unpacklo_epi16(in1, d0); |
| __m128i out1 = _mm_unpackhi_epi16(in1, d0); |
| _mm_storeu_si128((__m128i *)&out[0], out0); |
| _mm_storeu_si128((__m128i *)&out[8], out1); |
| in0 = in8; |
| in8 = in16; |
| in16 = in24; |
| in24 = _mm_setzero_si128(); |
| out += 16; |
| n -= 8; |
| } |
| } |
