mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
1.3 KiB
36 lines
1.3 KiB
/* |
|
* 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/attributes.h" |
|
#include "libavutil/cpu.h" |
|
#include "libavcodec/videodsp.h" |
|
|
|
void ff_prefetch_rv_zicbop(const uint8_t *mem, ptrdiff_t stride, int h); |
|
|
|
av_cold void ff_videodsp_init_riscv(VideoDSPContext *ctx, int bpc) |
|
{ |
|
#if HAVE_RV_ZICBOP |
|
/* TODO: Since we pay for the indirect function call anyway, we should |
|
* only set this if Cache-Block Operation Prefetch (Zicbop) is actually |
|
* supported and otherwise save a few cycles of NOPs. |
|
* But so far there are no means to detect Zicbop (in user mode). |
|
*/ |
|
ctx->prefetch = ff_prefetch_rv_zicbop; |
|
#endif |
|
}
|
|
|