mirror of https://github.com/mpv-player/mpv
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
#ifndef __MPLAYER_MEMCPY
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#define __MPLAYER_MEMCPY 1
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#include "config.h"
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#ifdef USE_FASTMEMCPY
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#if defined(HAVE_MMX) || defined(HAVE_MMX2) || defined(HAVE_3DNOW) \
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/* || defined(HAVE_SSE) || defined(HAVE_SSE2) */
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#include <stddef.h>
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extern void * fast_memcpy(void * to, const void * from, size_t len);
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extern void * mem2agpcpy(void * to, const void * from, size_t len);
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#define memcpy(a,b,c) fast_memcpy(a,b,c)
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#else /* HAVE_MMX/MMX2/3DNOW/SSE/SSE2 */
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#define mem2agpcpy(a,b,c) memcpy(a,b,c)
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#endif
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#else /* USE_FASTMEMCPY */
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#define mem2agpcpy(a,b,c) memcpy(a,b,c)
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#endif
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static inline void * mem2agpcpy_pic(void * dst, const void * src, int bytesPerLine, int height, int dstStride, int srcStride)
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{
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int i;
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void *retval=dst;
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if(dstStride == srcStride)
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{
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if (srcStride < 0) {
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src += (height-1)*srcStride;
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dst += (height-1)*dstStride;
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srcStride = -srcStride;
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}
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mem2agpcpy(dst, src, srcStride*height);
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}
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else
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{
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for(i=0; i<height; i++)
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{
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mem2agpcpy(dst, src, bytesPerLine);
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src+= srcStride;
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dst+= dstStride;
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}
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}
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return retval;
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}
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static inline void * memcpy_pic(void * dst, const void * src, int bytesPerLine, int height, int dstStride, int srcStride)
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{
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int i;
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void *retval=dst;
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if(dstStride == srcStride)
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{
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if (srcStride < 0) {
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src += (height-1)*srcStride;
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dst += (height-1)*dstStride;
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srcStride = -srcStride;
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}
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memcpy(dst, src, srcStride*height);
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}
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else
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{
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for(i=0; i<height; i++)
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{
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memcpy(dst, src, bytesPerLine);
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src+= srcStride;
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dst+= dstStride;
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}
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}
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return retval;
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}
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#endif
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