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Refactored some platform dependent code into a new library,

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lib/arch.  This should make porting easier.  Will probably
continue to refactor a little more, moving platform dependent
event handling stuff into lib/platform.
This commit is contained in:
crs
2003-01-04 22:01:32 +00:00
parent 62303391a8
commit f65921bc3f
169 changed files with 9676 additions and 5601 deletions
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110
lib/base/CStopwatch.cpp
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@@ -13,6 +13,7 @@
*/
#include "CStopwatch.h"
#include "CArch.h"
//
// CStopwatch
@@ -24,7 +25,7 @@ CStopwatch::CStopwatch(bool triggered) :
m_stopped(triggered)
{
if (!triggered) {
m_mark = getClock();
m_mark = ARCH->time();
}
}
@@ -42,7 +43,7 @@ CStopwatch::reset()
return dt;
}
else {
const double t = getClock();
const double t = ARCH->time();
const double dt = t - m_mark;
m_mark = t;
return dt;
@@ -57,7 +58,7 @@ CStopwatch::stop()
}
// save the elapsed time
m_mark = getClock() - m_mark;
m_mark = ARCH->time() - m_mark;
m_stopped = true;
}
@@ -70,7 +71,7 @@ CStopwatch::start()
}
// set the mark such that it reports the time elapsed at stop()
m_mark = getClock() - m_mark;
m_mark = ARCH->time() - m_mark;
m_stopped = false;
}
@@ -93,7 +94,7 @@ CStopwatch::getTime()
return m_mark;
}
else {
return getClock() - m_mark;
return ARCH->time() - m_mark;
}
}
@@ -115,7 +116,7 @@ CStopwatch::getTime() const
return m_mark;
}
else {
return getClock() - m_mark;
return ARCH->time() - m_mark;
}
}
@@ -123,100 +124,3 @@ CStopwatch::operator double() const
{
return getTime();
}
#if WINDOWS_LIKE
// avoid getting a lot a crap from mmsystem.h that we don't need
#define MMNODRV // Installable driver support
#define MMNOSOUND // Sound support
#define MMNOWAVE // Waveform support
#define MMNOMIDI // MIDI support
#define MMNOAUX // Auxiliary audio support
#define MMNOMIXER // Mixer support
#define MMNOJOY // Joystick support
#define MMNOMCI // MCI support
#define MMNOMMIO // Multimedia file I/O support
#define MMNOMMSYSTEM // General MMSYSTEM functions
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <mmsystem.h>
typedef WINMMAPI DWORD (WINAPI *PTimeGetTime)(void);
static double s_freq = 0.0;
static HINSTANCE s_mmInstance = NULL;
static PTimeGetTime s_tgt = NULL;
//
// initialize local variables
//
class CStopwatchInit {
public:
CStopwatchInit();
~CStopwatchInit();
};
static CStopwatchInit s_init;
CStopwatchInit::CStopwatchInit()
{
LARGE_INTEGER freq;
if (QueryPerformanceFrequency(&freq) && freq.QuadPart != 0) {
s_freq = 1.0 / static_cast<double>(freq.QuadPart);
}
else {
// load winmm.dll and get timeGetTime
s_mmInstance = LoadLibrary("winmm");
if (s_mmInstance) {
s_tgt = (PTimeGetTime)GetProcAddress(s_mmInstance, "timeGetTime");
}
}
}
CStopwatchInit::~CStopwatchInit()
{
if (s_mmInstance) {
FreeLibrary(reinterpret_cast<HMODULE>(s_mmInstance));
}
}
double
CStopwatch::getClock() const
{
// get time. we try three ways, in order of descending precision
if (s_freq != 0.0) {
LARGE_INTEGER c;
QueryPerformanceCounter(&c);
return s_freq * static_cast<double>(c.QuadPart);
}
else if (s_tgt) {
return 0.001 * static_cast<double>(s_tgt());
}
else {
return 0.001 * static_cast<double>(GetTickCount());
}
}
#elif UNIX_LIKE
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
double
CStopwatch::getClock() const
{
struct timeval t;
gettimeofday(&t, NULL);
return (double)t.tv_sec + 1.0e-6 * (double)t.tv_usec;
}
#endif // UNIX_LIKE