Added initial support for RISC OS (thanks Peter Naulls!)
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40631
This commit is contained in:
parent
35f9bbcbd6
commit
e8ce0bc197
29 changed files with 4002 additions and 5 deletions
|
@ -10,6 +10,7 @@ ARCH_SUBDIRS = $(srcdir)/amigaos \
|
|||
$(srcdir)/linux \
|
||||
$(srcdir)/macos \
|
||||
$(srcdir)/mint \
|
||||
$(srcdir)/riscos \
|
||||
$(srcdir)/win32
|
||||
|
||||
# Include the architecture-independent sources
|
||||
|
|
146
src/timer/riscos/SDL_systimer.c
Normal file
146
src/timer/riscos/SDL_systimer.c
Normal file
|
@ -0,0 +1,146 @@
|
|||
/*
|
||||
SDL - Simple DirectMedia Layer
|
||||
Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 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
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with this library; if not, write to the Free
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
Sam Lantinga
|
||||
slouken@devolution.com
|
||||
*/
|
||||
|
||||
#ifdef SAVE_RCSID
|
||||
static char rcsid =
|
||||
"@(#) $Id$";
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
#include <sys/time.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include "SDL_error.h"
|
||||
#include "SDL_timer.h"
|
||||
#include "SDL_timer_c.h"
|
||||
|
||||
/* Timer start/reset time */
|
||||
static Uint32 timerStart;
|
||||
/* Timer running function */
|
||||
void RISCOS_CheckTimer();
|
||||
|
||||
extern void RISCOS_BackgroundTasks(void);
|
||||
|
||||
/* The first ticks value of the application */
|
||||
clock_t start;
|
||||
|
||||
void SDL_StartTicks(void)
|
||||
{
|
||||
/* Set first ticks value */
|
||||
start = clock();
|
||||
}
|
||||
|
||||
Uint32 SDL_GetTicks (void)
|
||||
{
|
||||
clock_t ticks;
|
||||
|
||||
ticks=clock()-start;
|
||||
|
||||
|
||||
#if CLOCKS_PER_SEC == 1000
|
||||
|
||||
return(ticks);
|
||||
|
||||
#elif CLOCKS_PER_SEC == 100
|
||||
|
||||
return (ticks * 10);
|
||||
|
||||
#else
|
||||
|
||||
return ticks*(1000/CLOCKS_PER_SEC);
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
extern void DRenderer_FillBuffers();
|
||||
|
||||
void SDL_Delay (Uint32 ms)
|
||||
{
|
||||
Uint32 now,then,elapsed;
|
||||
|
||||
/* Set the timeout interval - Linux only needs to do this once */
|
||||
then = SDL_GetTicks();
|
||||
|
||||
do {
|
||||
/* Do background tasks required while sleeping as we are not multithreaded */
|
||||
RISCOS_BackgroundTasks();
|
||||
/* Calculate the time interval left (in case of interrupt) */
|
||||
now = SDL_GetTicks();
|
||||
elapsed = (now-then);
|
||||
then = now;
|
||||
if ( elapsed >= ms ) {
|
||||
break;
|
||||
}
|
||||
ms -= elapsed;
|
||||
|
||||
} while ( 1 );
|
||||
}
|
||||
|
||||
int SDL_SYS_TimerInit(void)
|
||||
{
|
||||
return(0);
|
||||
}
|
||||
|
||||
void SDL_SYS_TimerQuit(void)
|
||||
{
|
||||
SDL_SetTimer(0, NULL);
|
||||
}
|
||||
|
||||
int SDL_SYS_StartTimer(void)
|
||||
{
|
||||
timerStart = SDL_GetTicks();
|
||||
|
||||
return(0);
|
||||
}
|
||||
|
||||
void SDL_SYS_StopTimer(void)
|
||||
{
|
||||
/* Don't need to do anything as we use SDL_timer_running
|
||||
to detect if we need to check the timer */
|
||||
}
|
||||
|
||||
|
||||
void RISCOS_CheckTimer()
|
||||
{
|
||||
if (SDL_timer_running && SDL_GetTicks() - timerStart >= SDL_alarm_interval)
|
||||
{
|
||||
Uint32 ms;
|
||||
|
||||
ms = SDL_alarm_callback(SDL_alarm_interval);
|
||||
if ( ms != SDL_alarm_interval )
|
||||
{
|
||||
if ( ms )
|
||||
{
|
||||
SDL_alarm_interval = ROUND_RESOLUTION(ms);
|
||||
} else
|
||||
{
|
||||
SDL_alarm_interval = 0;
|
||||
SDL_timer_running = 0;
|
||||
}
|
||||
}
|
||||
if (SDL_alarm_interval) timerStart = SDL_GetTicks();
|
||||
}
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue