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swscale/rgb2rgb: add R-V Zbb shuffle_bytes_3210

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This commit is contained in:
Rémi Denis-Courmont 2023-09-29 20:10:15 +03:00
parent cec48e3b32
commit c4a144c29d
3 changed files with 37 additions and 1 deletions
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1
libswscale/riscv/Makefile
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@ -1,2 +1,3 @@
OBJS += riscv/rgb2rgb.o
OBJS += riscv/rgb2rgb_rvb.o
RVV-OBJS += riscv/rgb2rgb_rvv.o

7
libswscale/riscv/rgb2rgb.c
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@ -29,6 +29,7 @@ void ff_shuffle_bytes_0321_rvv(const uint8_t *src, uint8_t *dst, int src_len);
void ff_shuffle_bytes_2103_rvv(const uint8_t *src, uint8_t *dst, int src_len);
void ff_shuffle_bytes_1230_rvv(const uint8_t *src, uint8_t *dst, int src_len);
void ff_shuffle_bytes_3012_rvv(const uint8_t *src, uint8_t *dst, int src_len);
void ff_shuffle_bytes_3210_rvb(const uint8_t *src, uint8_t *dst, int src_len);
void ff_shuffle_bytes_3210_rvv(const uint8_t *src, uint8_t *dst, int src_len);
void ff_interleave_bytes_rvv(const uint8_t *src1, const uint8_t *src2,
uint8_t *dst, int width, int height, int s1stride,
@ -42,9 +43,13 @@ void ff_yuyvtoyuv422_rvv(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
av_cold void rgb2rgb_init_riscv(void)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
#if (__riscv_xlen == 64)
if ((flags & AV_CPU_FLAG_RVB_BASIC) && (flags & AV_CPU_FLAG_RVB_ADDR))
shuffle_bytes_3210 = ff_shuffle_bytes_3210_rvb;
#endif
#if HAVE_RVV
if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
shuffle_bytes_0321 = ff_shuffle_bytes_0321_rvv;
shuffle_bytes_2103 = ff_shuffle_bytes_2103_rvv;

30
libswscale/riscv/rgb2rgb_rvb.S Normal file
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@ -0,0 +1,30 @@
/*
* 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 "config.h"
#include "libavutil/riscv/asm.S"
#include "libavutil/riscv/bswap_rvb.S"
#if (__riscv_xlen >= 64)
func ff_shuffle_bytes_3210_rvb, zbb
srli a2, a2, 2
bswap32_rvb a1, a0, a2
endfunc
#endif