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fix os2 timer in fallback mode

This commit is contained in:
pionere 2022-04-12 15:35:32 +02:00 committed by Ozkan Sezer
parent b75996138a
commit f708cebe10
1 changed files with 11 additions and 2 deletions
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13
src/timer/os2/SDL_systimer.c
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@ -39,6 +39,7 @@
typedef unsigned long long ULLONG; typedef unsigned long long ULLONG;
static SDL_bool ticks_started = SDL_FALSE;
static ULONG ulTmrFreq = 0; static ULONG ulTmrFreq = 0;
static ULLONG ullTmrStart = 0; static ULLONG ullTmrStart = 0;
@ -46,7 +47,14 @@ void
SDL_TicksInit(void) SDL_TicksInit(void)
{ {
ULONG ulTmrStart; /* for 32-bit fallback. */ ULONG ulTmrStart; /* for 32-bit fallback. */
ULONG ulRC = DosTmrQueryFreq(&ulTmrFreq); ULONG ulRC;
if (ticks_started) {
return;
}
ticks_started = SDL_TRUE;
ulRC = DosTmrQueryFreq(&ulTmrFreq);
if (ulRC != NO_ERROR) { if (ulRC != NO_ERROR) {
debug_os2("DosTmrQueryFreq() failed, rc = %u", ulRC); debug_os2("DosTmrQueryFreq() failed, rc = %u", ulRC);
} else { } else {
@ -65,6 +73,7 @@ SDL_TicksInit(void)
void void
SDL_TicksQuit(void) SDL_TicksQuit(void)
{ {
ticks_started = SDL_FALSE;
} }
Uint64 Uint64
@ -73,7 +82,7 @@ SDL_GetTicks64(void)
Uint64 ui64Result; Uint64 ui64Result;
ULLONG ullTmrNow; ULLONG ullTmrNow;
if (ulTmrFreq == 0) { /* Was not initialized. */ if (!ticks_started) {
SDL_TicksInit(); SDL_TicksInit();
} }