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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401938
This commit is contained in:
Sam Lantinga 2006-07-10 21:04:37 +00:00
parent 91a32b77a2
commit 0f030a1802
686 changed files with 117556 additions and 98661 deletions
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141
src/timer/win32/SDL_systimer.c
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@ -31,7 +31,7 @@
#include "../SDL_timer_c.h"
#ifdef _WIN32_WCE
#error This is WinCE. Please use src/timer/wince/SDL_systimer.c instead.
#error This is WinCE. Please use src/timer/wince/SDL_systimer.c instead.
#endif
#define TIME_WRAP_VALUE (~(DWORD)0)
@ -48,113 +48,118 @@ static LARGE_INTEGER hires_start_ticks;
static LARGE_INTEGER hires_ticks_per_second;
#endif
void SDL_StartTicks(void)
void
SDL_StartTicks(void)
{
/* Set first ticks value */
/* Set first ticks value */
#ifdef USE_GETTICKCOUNT
start = GetTickCount();
start = GetTickCount();
#else
#if 0 /* Apparently there are problems with QPC on Win2K */
if (QueryPerformanceFrequency(&hires_ticks_per_second) == TRUE)
{
hires_timer_available = TRUE;
QueryPerformanceCounter(&hires_start_ticks);
}
else
#if 0 /* Apparently there are problems with QPC on Win2K */
if (QueryPerformanceFrequency(&hires_ticks_per_second) == TRUE) {
hires_timer_available = TRUE;
QueryPerformanceCounter(&hires_start_ticks);
} else
#endif
{
hires_timer_available = FALSE;
timeBeginPeriod(1); /* use 1 ms timer precision */
start = timeGetTime();
}
{
hires_timer_available = FALSE;
timeBeginPeriod(1); /* use 1 ms timer precision */
start = timeGetTime();
}
#endif
}
Uint32 SDL_GetTicks(void)
Uint32
SDL_GetTicks(void)
{
DWORD now, ticks;
DWORD now, ticks;
#ifndef USE_GETTICKCOUNT
LARGE_INTEGER hires_now;
LARGE_INTEGER hires_now;
#endif
#ifdef USE_GETTICKCOUNT
now = GetTickCount();
now = GetTickCount();
#else
if (hires_timer_available)
{
QueryPerformanceCounter(&hires_now);
if (hires_timer_available) {
QueryPerformanceCounter(&hires_now);
hires_now.QuadPart -= hires_start_ticks.QuadPart;
hires_now.QuadPart *= 1000;
hires_now.QuadPart /= hires_ticks_per_second.QuadPart;
hires_now.QuadPart -= hires_start_ticks.QuadPart;
hires_now.QuadPart *= 1000;
hires_now.QuadPart /= hires_ticks_per_second.QuadPart;
return (DWORD)hires_now.QuadPart;
}
else
{
now = timeGetTime();
}
return (DWORD) hires_now.QuadPart;
} else {
now = timeGetTime();
}
#endif
if ( now < start ) {
ticks = (TIME_WRAP_VALUE-start) + now;
} else {
ticks = (now - start);
}
return(ticks);
if (now < start) {
ticks = (TIME_WRAP_VALUE - start) + now;
} else {
ticks = (now - start);
}
return (ticks);
}
void SDL_Delay(Uint32 ms)
void
SDL_Delay(Uint32 ms)
{
Sleep(ms);
Sleep(ms);
}
/* Data to handle a single periodic alarm */
static UINT timerID = 0;
static void CALLBACK HandleAlarm(UINT uID, UINT uMsg, DWORD_PTR dwUser,
DWORD_PTR dw1, DWORD_PTR dw2)
static void CALLBACK
HandleAlarm(UINT uID, UINT uMsg, DWORD_PTR dwUser,
DWORD_PTR dw1, DWORD_PTR dw2)
{
SDL_ThreadedTimerCheck();
SDL_ThreadedTimerCheck();
}
int SDL_SYS_TimerInit(void)
int
SDL_SYS_TimerInit(void)
{
MMRESULT result;
MMRESULT result;
/* Set timer resolution */
result = timeBeginPeriod(TIMER_RESOLUTION);
if ( result != TIMERR_NOERROR ) {
SDL_SetError("Warning: Can't set %d ms timer resolution",
TIMER_RESOLUTION);
}
/* Allow 10 ms of drift so we don't chew on CPU */
timerID = timeSetEvent(TIMER_RESOLUTION,1,HandleAlarm,0,TIME_PERIODIC);
if ( ! timerID ) {
SDL_SetError("timeSetEvent() failed");
return(-1);
}
return(SDL_SetTimerThreaded(1));
/* Set timer resolution */
result = timeBeginPeriod(TIMER_RESOLUTION);
if (result != TIMERR_NOERROR) {
SDL_SetError("Warning: Can't set %d ms timer resolution",
TIMER_RESOLUTION);
}
/* Allow 10 ms of drift so we don't chew on CPU */
timerID =
timeSetEvent(TIMER_RESOLUTION, 1, HandleAlarm, 0, TIME_PERIODIC);
if (!timerID) {
SDL_SetError("timeSetEvent() failed");
return (-1);
}
return (SDL_SetTimerThreaded(1));
}
void SDL_SYS_TimerQuit(void)
void
SDL_SYS_TimerQuit(void)
{
if ( timerID ) {
timeKillEvent(timerID);
}
timeEndPeriod(TIMER_RESOLUTION);
if (timerID) {
timeKillEvent(timerID);
}
timeEndPeriod(TIMER_RESOLUTION);
}
int SDL_SYS_StartTimer(void)
int
SDL_SYS_StartTimer(void)
{
SDL_SetError("Internal logic error: Win32 uses threaded timer");
return(-1);
SDL_SetError("Internal logic error: Win32 uses threaded timer");
return (-1);
}
void SDL_SYS_StopTimer(void)
void
SDL_SYS_StopTimer(void)
{
return;
return;
}
#endif /* SDL_TIMER_WIN32 */
/* vi: set ts=4 sw=4 expandtab: */