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-rw-r--r--distrib/sdl-1.2.12/src/timer/macos/SDL_MPWtimer.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/distrib/sdl-1.2.12/src/timer/macos/SDL_MPWtimer.c b/distrib/sdl-1.2.12/src/timer/macos/SDL_MPWtimer.c
deleted file mode 100644
index 7aee4aa..0000000
--- a/distrib/sdl-1.2.12/src/timer/macos/SDL_MPWtimer.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997-2006 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
- Sam Lantinga
- slouken@libsdl.org
-*/
-#include "SDL_config.h"
-
-#ifdef SDL_TIMER_MACOS
-
-#include <Types.h>
-#include <Timer.h>
-#include <OSUtils.h>
-#include <Gestalt.h>
-#include <Processes.h>
-
-#include <LowMem.h>
-
-#include "SDL_timer.h"
-#include "../SDL_timer_c.h"
-
-#define MS_PER_TICK (1000/60) /* MacOS tick = 1/60 second */
-
-/* Note: This is only a step above the original 1/60s implementation.
- * For a good implementation, see FastTimes.[ch], by Matt Slot.
- */
-#define USE_MICROSECONDS
-#define WideTo64bit(w) (*(UInt64 *) &(w))
-
-UInt64 start;
-
-void SDL_StartTicks(void)
-{
-#ifdef USE_MICROSECONDS
- UnsignedWide now;
-
- Microseconds(&now);
- start = WideTo64bit(now);
-#else
- /* FIXME: Should we implement a wrapping algorithm, like Win32? */
-#endif
-}
-
-Uint32 SDL_GetTicks(void)
-{
-#ifdef USE_MICROSECONDS
- UnsignedWide now;
-
- Microseconds(&now);
- return (Uint32)((WideTo64bit(now)-start)/1000);
-#else
- return(LMGetTicks()*MS_PER_TICK);
-#endif
-}
-
-void SDL_Delay(Uint32 ms)
-{
-#ifdef USE_MICROSECONDS
- Uint32 end_ms;
-
- end_ms = SDL_GetTicks() + ms;
- do {
- /* FIXME: Yield CPU? */ ;
- } while ( SDL_GetTicks() < end_ms );
-#else
- UInt32 unused; /* MJS */
- Delay(ms/MS_PER_TICK, &unused);
-#endif
-}
-
-
-/* Data to handle a single periodic alarm */
-typedef struct _ExtendedTimerRec
-{
- TMTask tmTask;
- ProcessSerialNumber taskPSN;
-} ExtendedTimerRec, *ExtendedTimerPtr;
-
-static ExtendedTimerRec gExtendedTimerRec;
-
-
-int SDL_SYS_TimerInit(void)
-{
- /* We don't need a setup? */
- return(0);
-}
-
-void SDL_SYS_TimerQuit(void)
-{
- /* We don't need a cleanup? */
- return;
-}
-
-/* Our Stub routine to set up and then call the real routine. */
-pascal void TimerCallbackProc(TMTaskPtr tmTaskPtr)
-{
- Uint32 ms;
-
- WakeUpProcess(&((ExtendedTimerPtr) tmTaskPtr)->taskPSN);
-
- ms = SDL_alarm_callback(SDL_alarm_interval);
- if ( ms ) {
- SDL_alarm_interval = ROUND_RESOLUTION(ms);
- PrimeTime((QElemPtr)&gExtendedTimerRec.tmTask,
- SDL_alarm_interval);
- } else {
- SDL_alarm_interval = 0;
- }
-}
-
-int SDL_SYS_StartTimer(void)
-{
- /*
- * Configure the global structure that stores the timing information.
- */
- gExtendedTimerRec.tmTask.qLink = NULL;
- gExtendedTimerRec.tmTask.qType = 0;
- gExtendedTimerRec.tmTask.tmAddr = NewTimerUPP(TimerCallbackProc);
- gExtendedTimerRec.tmTask.tmCount = 0;
- gExtendedTimerRec.tmTask.tmWakeUp = 0;
- gExtendedTimerRec.tmTask.tmReserved = 0;
- GetCurrentProcess(&gExtendedTimerRec.taskPSN);
-
- /* Install the task record */
- InsXTime((QElemPtr)&gExtendedTimerRec.tmTask);
-
- /* Go! */
- PrimeTime((QElemPtr)&gExtendedTimerRec.tmTask, SDL_alarm_interval);
- return(0);
-}
-
-void SDL_SYS_StopTimer(void)
-{
- RmvTime((QElemPtr)&gExtendedTimerRec.tmTask);
-}
-
-#endif /* SDL_TIMER_MACOS */