mirror of https://github.com/mpv-player/mpv
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
#ifndef __MPLAYER_MEMCPY
|
|
#define __MPLAYER_MEMCPY 1
|
|
|
|
#include "config.h"
|
|
#include <inttypes.h>
|
|
|
|
#ifdef USE_FASTMEMCPY
|
|
#if defined(HAVE_MMX) || defined(HAVE_MMX2) || defined(HAVE_3DNOW) \
|
|
/* || defined(HAVE_SSE) || defined(HAVE_SSE2) */
|
|
#include <stddef.h>
|
|
|
|
extern void * fast_memcpy(void * to, const void * from, size_t len);
|
|
extern void * mem2agpcpy(void * to, const void * from, size_t len);
|
|
#define memcpy(a,b,c) fast_memcpy(a,b,c)
|
|
|
|
#else /* HAVE_MMX/MMX2/3DNOW/SSE/SSE2 */
|
|
#define mem2agpcpy(a,b,c) memcpy(a,b,c)
|
|
#endif
|
|
|
|
#else /* USE_FASTMEMCPY */
|
|
#define mem2agpcpy(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;
|
|
}
|
|
|
|
static inline void * memcpy_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;
|
|
}
|
|
|
|
memcpy(dst, src, srcStride*height);
|
|
}
|
|
else
|
|
{
|
|
for(i=0; i<height; i++)
|
|
{
|
|
memcpy(dst, src, bytesPerLine);
|
|
src = (uint8_t*)src + srcStride;
|
|
dst = (uint8_t*)dst + dstStride;
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
#endif
|