| /* |
| * 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 <inttypes.h> |
| #include <string.h> |
| #include <stddef.h> |
| |
| void * fast_memcpy(void * to, const void * from, size_t len); |
| void * mem2agpcpy(void * to, const void * from, size_t len); |
| |
| #if ! defined(CONFIG_FASTMEMCPY) || ! (HAVE_MMX || HAVE_MMX2 || HAVE_AMD3DNOW /* || HAVE_SSE || HAVE_SSE2 */) |
| #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 = (const 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 = (const 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 = (const 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 = (const uint8_t*)src + srcStride; |
| dst = (uint8_t*)dst + dstStride; |
| } |
| } |
| |
| return retval; |
| } |
| |
| #endif /* MPLAYER_FASTMEMCPY_H */ |