mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 10:32:15 +00:00
227 lines
5.1 KiB
C
227 lines
5.1 KiB
C
/*
|
|
* aclib - advanced C library ;)
|
|
* Functions which improve and expand the standard C library, see aclib_template.c.
|
|
* This file only contains runtime CPU detection and config option stuff.
|
|
* runtime CPU detection by Michael Niedermayer (michaelni@gmx.at)
|
|
*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include "cpudetect.h"
|
|
#include "fastmemcpy.h"
|
|
#include "ffmpeg_files/x86_cpu.h"
|
|
#undef memcpy
|
|
|
|
#define BLOCK_SIZE 4096
|
|
#define CONFUSION_FACTOR 0
|
|
//Feel free to fine-tune the above 2, it might be possible to get some speedup with them :)
|
|
|
|
//#define STATISTICS
|
|
|
|
//Note: we have MMX, MMX2, 3DNOW version there is no 3DNOW+MMX2 one
|
|
//Plain C versions
|
|
//#if !HAVE_MMX || CONFIG_RUNTIME_CPUDETECT
|
|
//#define COMPILE_C
|
|
//#endif
|
|
|
|
#if ARCH_X86
|
|
|
|
#if (HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
|
|
#define COMPILE_MMX
|
|
#endif
|
|
|
|
#if (HAVE_MMX2 && !HAVE_SSE2) || CONFIG_RUNTIME_CPUDETECT
|
|
#define COMPILE_MMX2
|
|
#endif
|
|
|
|
#if (HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT
|
|
#define COMPILE_3DNOW
|
|
#endif
|
|
|
|
#if HAVE_SSE2 || CONFIG_RUNTIME_CPUDETECT
|
|
#define COMPILE_SSE
|
|
#endif
|
|
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_AMD3DNOW
|
|
#undef HAVE_SSE
|
|
#undef HAVE_SSE2
|
|
#define HAVE_MMX 0
|
|
#define HAVE_MMX2 0
|
|
#define HAVE_AMD3DNOW 0
|
|
#define HAVE_SSE 0
|
|
#define HAVE_SSE2 0
|
|
/*
|
|
#ifdef COMPILE_C
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_AMD3DNOW
|
|
#undef HAVE_SSE
|
|
#undef HAVE_SSE2
|
|
#define HAVE_MMX 0
|
|
#define HAVE_MMX2 0
|
|
#define HAVE_AMD3DNOW 0
|
|
#define HAVE_SSE 0
|
|
#define HAVE_SSE2 0
|
|
#define RENAME(a) a ## _C
|
|
#include "aclib_template.c"
|
|
#endif
|
|
*/
|
|
//MMX versions
|
|
#ifdef COMPILE_MMX
|
|
#undef RENAME
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_AMD3DNOW
|
|
#undef HAVE_SSE
|
|
#undef HAVE_SSE2
|
|
#define HAVE_MMX 1
|
|
#define HAVE_MMX2 0
|
|
#define HAVE_AMD3DNOW 0
|
|
#define HAVE_SSE 0
|
|
#define HAVE_SSE2 0
|
|
#define RENAME(a) a ## _MMX
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
//MMX2 versions
|
|
#ifdef COMPILE_MMX2
|
|
#undef RENAME
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_AMD3DNOW
|
|
#undef HAVE_SSE
|
|
#undef HAVE_SSE2
|
|
#define HAVE_MMX 1
|
|
#define HAVE_MMX2 1
|
|
#define HAVE_AMD3DNOW 0
|
|
#define HAVE_SSE 0
|
|
#define HAVE_SSE2 0
|
|
#define RENAME(a) a ## _MMX2
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
//3DNOW versions
|
|
#ifdef COMPILE_3DNOW
|
|
#undef RENAME
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_AMD3DNOW
|
|
#undef HAVE_SSE
|
|
#undef HAVE_SSE2
|
|
#define HAVE_MMX 1
|
|
#define HAVE_MMX2 0
|
|
#define HAVE_AMD3DNOW 1
|
|
#define HAVE_SSE 0
|
|
#define HAVE_SSE2 0
|
|
#define RENAME(a) a ## _3DNow
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
//SSE versions (only used on SSE2 cpus)
|
|
#ifdef COMPILE_SSE
|
|
#undef RENAME
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_AMD3DNOW
|
|
#undef HAVE_SSE
|
|
#undef HAVE_SSE2
|
|
#define HAVE_MMX 1
|
|
#define HAVE_MMX2 1
|
|
#define HAVE_AMD3DNOW 0
|
|
#define HAVE_SSE 1
|
|
#define HAVE_SSE2 1
|
|
#define RENAME(a) a ## _SSE
|
|
#include "aclib_template.c"
|
|
#endif
|
|
|
|
#endif /* ARCH_X86 */
|
|
|
|
|
|
#undef fast_memcpy
|
|
void * fast_memcpy(void * to, const void * from, size_t len)
|
|
{
|
|
#if CONFIG_RUNTIME_CPUDETECT
|
|
#if ARCH_X86
|
|
// ordered per speed fasterst first
|
|
if(gCpuCaps.hasSSE2)
|
|
fast_memcpy_SSE(to, from, len);
|
|
else if(gCpuCaps.hasMMX2)
|
|
fast_memcpy_MMX2(to, from, len);
|
|
else if(gCpuCaps.has3DNow)
|
|
fast_memcpy_3DNow(to, from, len);
|
|
else if(gCpuCaps.hasMMX)
|
|
fast_memcpy_MMX(to, from, len);
|
|
else
|
|
#endif
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#else
|
|
#if HAVE_SSE2
|
|
fast_memcpy_SSE(to, from, len);
|
|
#elif HAVE_MMX2
|
|
fast_memcpy_MMX2(to, from, len);
|
|
#elif HAVE_AMD3DNOW
|
|
fast_memcpy_3DNow(to, from, len);
|
|
#elif HAVE_MMX
|
|
fast_memcpy_MMX(to, from, len);
|
|
#else
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#endif
|
|
|
|
#endif //!CONFIG_RUNTIME_CPUDETECT
|
|
return to;
|
|
}
|
|
|
|
#undef mem2agpcpy
|
|
void * mem2agpcpy(void * to, const void * from, size_t len)
|
|
{
|
|
#if CONFIG_RUNTIME_CPUDETECT
|
|
#if ARCH_X86
|
|
// ordered per speed fasterst first
|
|
if(gCpuCaps.hasSSE2)
|
|
mem2agpcpy_SSE(to, from, len);
|
|
else if(gCpuCaps.hasMMX2)
|
|
mem2agpcpy_MMX2(to, from, len);
|
|
else if(gCpuCaps.has3DNow)
|
|
mem2agpcpy_3DNow(to, from, len);
|
|
else if(gCpuCaps.hasMMX)
|
|
mem2agpcpy_MMX(to, from, len);
|
|
else
|
|
#endif
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#else
|
|
#if HAVE_SSE2
|
|
mem2agpcpy_SSE(to, from, len);
|
|
#elif HAVE_MMX2
|
|
mem2agpcpy_MMX2(to, from, len);
|
|
#elif HAVE_AMD3DNOW
|
|
mem2agpcpy_3DNow(to, from, len);
|
|
#elif HAVE_MMX
|
|
mem2agpcpy_MMX(to, from, len);
|
|
#else
|
|
memcpy(to, from, len); // prior to mmx we use the standart memcpy
|
|
#endif
|
|
|
|
#endif //!CONFIG_RUNTIME_CPUDETECT
|
|
return to;
|
|
}
|