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| author | Rémi Denis-Courmont <remi@remlab.net> | 2022-09-28 18:29:59 +0300 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2022-09-30 07:24:09 +0200 |
| commit | 66a03f405316a0e1a4a60cacd1d32ec540604a01 (patch) | |
| tree | 00b023022bd18e690fa56c739d42fc0ea5019590 /libswscale/riscv/rgb2rgb_rvv.S | |
| parent | e5f6918cbd5d7b6024f83ff86075d5e762c38034 (diff) | |
| download | ffmpeg-66a03f405316a0e1a4a60cacd1d32ec540604a01.tar.gz | |
sws/rgb2rgb: RISC-V V shuffle_bytes_xxxx functions
Diffstat (limited to 'libswscale/riscv/rgb2rgb_rvv.S')
| -rw-r--r-- | libswscale/riscv/rgb2rgb_rvv.S | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libswscale/riscv/rgb2rgb_rvv.S b/libswscale/riscv/rgb2rgb_rvv.S new file mode 100644 index 0000000000..3eb11262c0 --- /dev/null +++ b/libswscale/riscv/rgb2rgb_rvv.S @@ -0,0 +1,78 @@ +/* + * Copyright © 2022 Rémi Denis-Courmont. + * + * 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 + */ + +#include "libavutil/riscv/asm.S" + +func ff_shuffle_bytes_0321_rvv, zve32x + addi t1, a0, 3 + addi t2, a0, 2 + addi t3, a0, 1 +1: + srai a2, a2, 2 + li t4, 4 +2: + vsetvli t0, a2, e8, m1, ta, ma + sub a2, a2, t0 + vlse8.v v8, (a0), t4 + sh2add a0, t0, a0 + vlse8.v v9, (t1), t4 + sh2add t1, t0, t1 + vlse8.v v10, (t2), t4 + sh2add t2, t0, t2 + vlse8.v v11, (t3), t4 + sh2add t3, t0, t3 + vsseg4e8.v v8, (a1) + sh2add a1, t0, a1 + bnez a2, 2b + + ret +endfunc + +func ff_shuffle_bytes_2103_rvv, zve32x + addi t1, a0, 1 + addi t2, a0, 0 + addi t3, a0, 3 + addi a0, a0, 2 + j 1b +endfunc + +func ff_shuffle_bytes_1230_rvv, zve32x + addi t1, a0, 2 + addi t2, a0, 3 + addi t3, a0, 0 + addi a0, a0, 1 + j 1b +endfunc + +func ff_shuffle_bytes_3012_rvv, zve32x + addi t1, a0, 0 + addi t2, a0, 1 + addi t3, a0, 2 + addi a0, a0, 3 + j 1b +endfunc + +func ff_shuffle_bytes_3210_rvv, zve32x + addi t1, a0, 2 + addi t2, a0, 1 + addi t3, a0, 0 + addi a0, a0, 3 + j 1b +endfunc |