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/*
* 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
}
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