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/*
* dxr3memcpy.h
*
* Copyright (C) 2004 Christian Gmeiner
*
* This program 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.
*
* This program 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
/*****************************************************************************
* memcpy.h: functions and definitions of the MMX/MMX2/SSE optimized versions
* of memcpy
*****************************************************************************
* Copyright (C) 2001 Keuleu
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************
*
* Original code:
*
* Copyright (C) 2000-2001 the xine project
*
* This file is part of xine, a unix video player.
*
*****************************************************************************/
#ifndef _DXR3MEMCPY_H_
#define _DXR3MEMCPY_H_
#include "dxr3vdrincludes.h"
// ==================================
/*! \def BUFSIZE
\brief size of buffers for benchmark :)
*/
#define BUFSIZE 1024*1024
// ==================================
struct memcpy_routine
{
std::string name; ///< name of memcpy methode
void *(* function)(void *to, const void *from, size_t len); ///< our memcopy methode
unsigned long long time; ///< needed time for banchmark
uint32_t cpu_require; ///< caps from dxr3cpu.h
};
// ==================================
//! Little class to do a nice benchmark
/*
Whith this class we can get the fastest memcyp
methode for target computer.
*/
class cDxr3MemcpyBench
{
public:
cDxr3MemcpyBench(uint32_t config_flags = 0);
private:
unsigned long long int Rdtsc(uint32_t config_flags);
std::vector<memcpy_routine> m_methods; ///< a std::vector with all methodes
};
// ==================================
//! optimized/fast memcpy
extern void *(* dxr3_memcpy)(void *to, const void *from, size_t len);
#endif /*_DXR3MEMCPY_H_*/
// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// indent-tabs-mode: t
// End:
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