mirror of
https://github.com/mpv-player/mpv
synced 2024-12-17 04:15:13 +00:00
eb4a4604c0
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28370 b3059339-0415-0410-9bf9-f77b7e298cf2
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer 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.
|
|
*
|
|
* MPlayer 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 MPlayer; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef MPLAYER_FASTMEMCPY_H
|
|
#define MPLAYER_FASTMEMCPY_H
|
|
|
|
#include "config.h"
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
|
|
#ifdef CONFIG_FASTMEMCPY
|
|
#if HAVE_MMX || HAVE_MMX2 || HAVE_AMD3DNOW \
|
|
/* || HAVE_SSE || HAVE_SSE2 */
|
|
#include <stddef.h>
|
|
|
|
void * fast_memcpy(void * to, const void * from, size_t len);
|
|
void * mem2agpcpy(void * to, const void * from, size_t len);
|
|
|
|
#else /* HAVE_MMX/MMX2/3DNOW/SSE/SSE2 */
|
|
#define mem2agpcpy(a,b,c) memcpy(a,b,c)
|
|
#define fast_memcpy(a,b,c) memcpy(a,b,c)
|
|
#endif
|
|
|
|
#else /* CONFIG_FASTMEMCPY */
|
|
#define mem2agpcpy(a,b,c) memcpy(a,b,c)
|
|
#define fast_memcpy(a,b,c) memcpy(a,b,c)
|
|
#endif
|
|
|
|
static inline void * mem2agpcpy_pic(void * dst, const void * src, int bytesPerLine, int height, int dstStride, int srcStride)
|
|
{
|
|
int i;
|
|
void *retval=dst;
|
|
|
|
if(dstStride == srcStride)
|
|
{
|
|
if (srcStride < 0) {
|
|
src = (uint8_t*)src + (height-1)*srcStride;
|
|
dst = (uint8_t*)dst + (height-1)*dstStride;
|
|
srcStride = -srcStride;
|
|
}
|
|
|
|
mem2agpcpy(dst, src, srcStride*height);
|
|
}
|
|
else
|
|
{
|
|
for(i=0; i<height; i++)
|
|
{
|
|
mem2agpcpy(dst, src, bytesPerLine);
|
|
src = (uint8_t*)src + srcStride;
|
|
dst = (uint8_t*)dst + dstStride;
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
#define memcpy_pic(d, s, b, h, ds, ss) memcpy_pic2(d, s, b, h, ds, ss, 0)
|
|
#define my_memcpy_pic(d, s, b, h, ds, ss) memcpy_pic2(d, s, b, h, ds, ss, 1)
|
|
|
|
/**
|
|
* \param limit2width always skip data between end of line and start of next
|
|
* instead of copying the full block when strides are the same
|
|
*/
|
|
static inline void * memcpy_pic2(void * dst, const void * src,
|
|
int bytesPerLine, int height,
|
|
int dstStride, int srcStride, int limit2width)
|
|
{
|
|
int i;
|
|
void *retval=dst;
|
|
|
|
if(!limit2width && dstStride == srcStride)
|
|
{
|
|
if (srcStride < 0) {
|
|
src = (uint8_t*)src + (height-1)*srcStride;
|
|
dst = (uint8_t*)dst + (height-1)*dstStride;
|
|
srcStride = -srcStride;
|
|
}
|
|
|
|
fast_memcpy(dst, src, srcStride*height);
|
|
}
|
|
else
|
|
{
|
|
for(i=0; i<height; i++)
|
|
{
|
|
fast_memcpy(dst, src, bytesPerLine);
|
|
src = (uint8_t*)src + srcStride;
|
|
dst = (uint8_t*)dst + dstStride;
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
#endif /* MPLAYER_FASTMEMCPY_H */
|