| /* | |
| * Copyright (c) 2022 Loongson Technology Corporation Limited | |
| * Contributed by Hao Chen(chenhao@loongson.cn) | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| void ff_interleave_bytes_lasx(const uint8_t *src1, const uint8_t *src2, | |
| uint8_t *dest, int width, int height, | |
| int src1Stride, int src2Stride, int dstStride) | |
| { | |
| int h; | |
| int len = width & (0xFFFFFFF0); | |
| for (h = 0; h < height; h++) { | |
| int w, index = 0; | |
| __m256i src_1, src_2, dst; | |
| for (w = 0; w < len; w += 16) { | |
| DUP2_ARG2(__lasx_xvld, src1 + w, 0, src2 + w, 0, src_1, src_2); | |
| src_1 = __lasx_xvpermi_d(src_1, 0xD8); | |
| src_2 = __lasx_xvpermi_d(src_2, 0xD8); | |
| dst = __lasx_xvilvl_b(src_2, src_1); | |
| __lasx_xvst(dst, dest + index, 0); | |
| index += 32; | |
| } | |
| for (; w < width; w++) { | |
| dest[(w << 1) + 0] = src1[w]; | |
| dest[(w << 1) + 1] = src2[w]; | |
| } | |
| dest += dstStride; | |
| src1 += src1Stride; | |
| src2 += src2Stride; | |
| } | |
| } | |