FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Changes for Cygwin build, sent in by Norman Vine.

Browse Source
This commit is contained in:
Robert Osfield
2002-05-28 11:40:37 +00:00
parent 165cc1bf42
commit e73d4ca5b3
15 changed files with 85 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

130
include/osg/Timer
View File

@@ -8,7 +8,7 @@
#include <osg/Export>
#if defined(WIN32 ) && !(defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MWERKS__))
#if defined(_MSC_VER)
namespace osg {
typedef __int64 Timer_t;
}
@@ -73,41 +73,44 @@ class SG_EXPORT Timer {
}
#if defined(_WIN32) && !(defined(__CYGWIN__) || defined(__MINGW32__) || defined(__MWERKS__))
#if defined(_MSC_VER)
#include <time.h>
#pragma optimize("",off)
namespace osg{
namespace osg{
inline Timer_t Timer::tick( void ) const
{
if (_useStandardClock) return clock();
volatile Timer_t ts;
volatile unsigned int HighPart;
volatile unsigned int LowPart;
_asm
inline Timer_t Timer::tick( void ) const
{
xor eax, eax // Used when QueryPerformanceCounter()
xor edx, edx // not supported or minimal overhead
_emit 0x0f // desired
_emit 0x31 //
mov HighPart,edx
mov LowPart,eax
if (_useStandardClock) return clock();
volatile Timer_t ts;
volatile unsigned int HighPart;
volatile unsigned int LowPart;
_asm
{
xor eax, eax // Used when QueryPerformanceCounter()
xor edx, edx // not supported or minimal overhead
_emit 0x0f // desired
_emit 0x31 //
mov HighPart,edx
mov LowPart,eax
}
//ts = LowPart | HighPart >> 32;
*((unsigned int*)&ts) = LowPart;
*((unsigned int*)&ts+1) = HighPart;
return ts;
}
//ts = LowPart | HighPart >> 32;
*((unsigned int*)&ts) = LowPart;
*((unsigned int*)&ts+1) = HighPart;
return ts;
}
}
#pragma optimize("",on)
#elif defined(__MINGW32__)
#include <sys/time.h>
#define CLK(x) __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x))
namespace osg{
#elif defined(__MINGW32__)
#include <sys/time.h>
#define CLK(x) __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x))
namespace osg{
inline Timer_t Timer::tick() const
{
@@ -119,72 +122,73 @@ namespace osg{
}
}
}
}
#elif defined(__linux) || defined(__FreeBSD__) || defined(__CYGWIN__)
#include <sys/time.h>
#define CLK(x) __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x))
namespace osg{
namespace osg{
inline Timer_t Timer::tick() const
{
if (_useStandardClock)
inline Timer_t Timer::tick() const
{
struct timeval tv;
gettimeofday(&tv, NULL);
return ((osg::Timer_t)tv.tv_sec)*1000000+(osg::Timer_t)tv.tv_usec;
}
else
{
Timer_t x;CLK(x);return x;
if (_useStandardClock)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return ((osg::Timer_t)tv.tv_sec)*1000000+(osg::Timer_t)tv.tv_usec;
}
else
{
Timer_t x;CLK(x);return x;
}
}
}
}
#elif defined(__sgi)
#include <sys/time.h>
namespace osg{
namespace osg{
inline Timer_t Timer::tick() const
{
if (_useStandardClock)
inline Timer_t Timer::tick() const
{
struct timeval tv;
gettimeofday(&tv, NULL);
return ((osg::Timer_t)tv.tv_sec)*1000000+(osg::Timer_t)tv.tv_usec;
}
else
{
return *_clockAddress;
if (_useStandardClock)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return ((osg::Timer_t)tv.tv_sec)*1000000+(osg::Timer_t)tv.tv_usec;
}
else
{
return *_clockAddress;
}
}
}
}
#elif defined(unix)
#include <sys/time.h>
namespace osg{
inline Timer_t Timer::tick() const
{
struct timeval tv;
gettimeofday(&tv, NULL);
return ((osg::Timer_t)tv.tv_sec)*1000000+(osg::Timer_t)tv.tv_usec;
namespace osg{
inline Timer_t Timer::tick() const
{
struct timeval tv;
gettimeofday(&tv, NULL);
return ((osg::Timer_t)tv.tv_sec)*1000000+(osg::Timer_t)tv.tv_usec;
}
}
}
#elif !defined (__DARWIN_OSX__) && !defined (macintosh)
// no choice, always use std::clock()
namespace osg{
namespace osg{
inline Timer_t Timer::tick( void ) const { return std::clock(); }
}
inline Timer_t Timer::tick( void ) const { return std::clock(); }
}
#endif