/*
========================
Sys_Microseconds
========================
*/
uint64 Sys_Microseconds() {
static uint64 ticksPerMicrosecondTimes1024 = 0;
if ( ticksPerMicrosecondTimes1024 == 0 ) {
ticksPerMicrosecondTimes1024 = ( (uint64)Sys_ClockTicksPerSecond() << 10 ) / 1000000;
assert( ticksPerMicrosecondTimes1024 > 0 );
}
return ((uint64)( (int64)Sys_GetClockTicks() << 10 )) / ticksPerMicrosecondTimes1024;
}
uint64 Sys_Microseconds()
{
#if 0
static uint64 ticksPerMicrosecondTimes1024 = 0;
if( ticksPerMicrosecondTimes1024 == 0 )
{
ticksPerMicrosecondTimes1024 = ( ( uint64 )Sys_ClockTicksPerSecond() << 10 ) / 1000000;
assert( ticksPerMicrosecondTimes1024 > 0 );
}
return ( ( uint64 )( ( int64 )Sys_GetClockTicks() << 10 ) ) / ticksPerMicrosecondTimes1024;
#elif 0
uint64 curtime;
struct timespec ts;
clock_gettime( CLOCK_MONOTONIC, &ts );
curtime = ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
return curtime;
#else
uint64 curtime;
struct timespec ts;
clock_gettime( D3_CLOCK_TO_USE, &ts );
if( !sys_microTimeBase )
{
sys_microTimeBase = ts.tv_sec;
return ts.tv_nsec / 1000;
}
curtime = ( ts.tv_sec - sys_microTimeBase ) * 1000000 + ts.tv_nsec / 1000;
return curtime;
#endif
}
double idSysLocal::ClockTicksPerSecond()
{
return Sys_ClockTicksPerSecond();
}
void Sys_Init(void)
{
CoInitialize(NULL);
// make sure the timer is high precision, otherwise
// NT gets 18ms resolution
timeBeginPeriod(1);
// get WM_TIMER messages pumped every millisecond
// SetTimer( NULL, 0, 100, NULL );
cmdSystem->AddCommand("in_restart", Sys_In_Restart_f, CMD_FL_SYSTEM, "restarts the input system");
#ifdef DEBUG
cmdSystem->AddCommand("createResourceIDs", CreateResourceIDs_f, CMD_FL_TOOL, "assigns resource IDs in _resouce.h files");
#endif
#if 0
cmdSystem->AddCommand("setAsyncSound", Sys_SetAsyncSound_f, CMD_FL_SYSTEM, "set the async sound option");
#endif
//
// Windows user name
//
win32.win_username.SetString(Sys_GetCurrentUser());
//
// Windows version
//
win32.osversion.dwOSVersionInfoSize = sizeof(win32.osversion);
if (!GetVersionEx((LPOSVERSIONINFO)&win32.osversion))
Sys_Error("Couldn't get OS info");
if (win32.osversion.dwMajorVersion < 4) {
Sys_Error(GAME_NAME " requires Windows version 4 (NT) or greater");
}
if (win32.osversion.dwPlatformId == VER_PLATFORM_WIN32s) {
Sys_Error(GAME_NAME " doesn't run on Win32s");
}
if (win32.osversion.dwPlatformId == VER_PLATFORM_WIN32_NT) {
if (win32.osversion.dwMajorVersion <= 4) {
win32.sys_arch.SetString("WinNT (NT)");
} else if (win32.osversion.dwMajorVersion == 5 && win32.osversion.dwMinorVersion == 0) {
win32.sys_arch.SetString("Win2K (NT)");
} else if (win32.osversion.dwMajorVersion == 5 && win32.osversion.dwMinorVersion == 1) {
win32.sys_arch.SetString("WinXP (NT)");
} else if (win32.osversion.dwMajorVersion == 6) {
win32.sys_arch.SetString("Vista");
} else {
win32.sys_arch.SetString("Unknown NT variant");
}
} else if (win32.osversion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
if (win32.osversion.dwMajorVersion == 4 && win32.osversion.dwMinorVersion == 0) {
// Win95
if (win32.osversion.szCSDVersion[1] == 'C') {
win32.sys_arch.SetString("Win95 OSR2 (95)");
} else {
win32.sys_arch.SetString("Win95 (95)");
}
} else if (win32.osversion.dwMajorVersion == 4 && win32.osversion.dwMinorVersion == 10) {
// Win98
if (win32.osversion.szCSDVersion[1] == 'A') {
win32.sys_arch.SetString("Win98SE (95)");
} else {
win32.sys_arch.SetString("Win98 (95)");
}
} else if (win32.osversion.dwMajorVersion == 4 && win32.osversion.dwMinorVersion == 90) {
// WinMe
win32.sys_arch.SetString("WinMe (95)");
} else {
win32.sys_arch.SetString("Unknown 95 variant");
}
} else {
win32.sys_arch.SetString("unknown Windows variant");
}
//
// CPU type
//
if (!idStr::Icmp(win32.sys_cpustring.GetString(), "detect")) {
idStr string;
common->Printf("%1.0f MHz ", Sys_ClockTicksPerSecond() / 1000000.0f);
win32.cpuid = Sys_GetCPUId();
string.Clear();
if (win32.cpuid & CPUID_AMD) {
string += "AMD CPU";
} else if (win32.cpuid & CPUID_INTEL) {
string += "Intel CPU";
} else if (win32.cpuid & CPUID_UNSUPPORTED) {
string += "unsupported CPU";
} else {
string += "generic CPU";
}
string += " with ";
if (win32.cpuid & CPUID_MMX) {
string += "MMX & ";
}
if (win32.cpuid & CPUID_3DNOW) {
string += "3DNow! & ";
}
if (win32.cpuid & CPUID_SSE) {
string += "SSE & ";
}
if (win32.cpuid & CPUID_SSE2) {
string += "SSE2 & ";
}
if (win32.cpuid & CPUID_SSE3) {
string += "SSE3 & ";
}
if (win32.cpuid & CPUID_HTT) {
string += "HTT & ";
}
string.StripTrailing(" & ");
string.StripTrailing(" with ");
win32.sys_cpustring.SetString(string);
} else {
common->Printf("forcing CPU type to ");
idLexer src(win32.sys_cpustring.GetString(), idStr::Length(win32.sys_cpustring.GetString()), "sys_cpustring");
idToken token;
int id = CPUID_NONE;
while (src.ReadToken(&token)) {
if (token.Icmp("generic") == 0) {
id |= CPUID_GENERIC;
} else if (token.Icmp("intel") == 0) {
id |= CPUID_INTEL;
} else if (token.Icmp("amd") == 0) {
id |= CPUID_AMD;
} else if (token.Icmp("mmx") == 0) {
id |= CPUID_MMX;
} else if (token.Icmp("3dnow") == 0) {
id |= CPUID_3DNOW;
} else if (token.Icmp("sse") == 0) {
id |= CPUID_SSE;
} else if (token.Icmp("sse2") == 0) {
id |= CPUID_SSE2;
} else if (token.Icmp("sse3") == 0) {
id |= CPUID_SSE3;
} else if (token.Icmp("htt") == 0) {
id |= CPUID_HTT;
}
}
if (id == CPUID_NONE) {
common->Printf("WARNING: unknown sys_cpustring '%s'\n", win32.sys_cpustring.GetString());
id = CPUID_GENERIC;
}
win32.cpuid = (cpuid_t) id;
}
common->Printf("%s\n", win32.sys_cpustring.GetString());
common->Printf("%d MB System Memory\n", Sys_GetSystemRam());
common->Printf("%d MB Video Memory\n", Sys_GetVideoRam());
}
