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SDL: use libc time functions

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Fixes #2415
This commit is contained in:
Christian Prochaska 2017-05-16 18:51:27 +02:00 committed by Christian Helmuth
parent 16deaa9a72
commit 250fd42368
3 changed files with 4 additions and 107 deletions
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4
repos/libports/include/SDL/SDL_config_genode.h
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@ -53,8 +53,8 @@
/* Enable thread support */
#define SDL_THREAD_PTHREAD 1
/* Enable dummy timer support */
#define SDL_TIMER_DUMMY 1
/* Enable timer support */
#define SDL_TIMER_UNIX 1
/* Enable video drivers */
#define SDL_VIDEO_DRIVER_GENODE_FB 1

4
repos/libports/lib/mk/sdl.mk
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@ -14,7 +14,6 @@ INC_DIR += $(SDL_PORT_DIR)/include/SDL
SRC_CC = video/SDL_genode_fb_video.cc \
video/SDL_genode_fb_events.cc \
audio/SDL_genodeaudio.cc \
timer/SDL_systimer.cc \
loadso/SDL_loadso.cc
INC_DIR += $(REP_DIR)/include/SDL \
@ -45,7 +44,8 @@ INC_DIR += $(SDL_DIR)/src/thread
SRC_C += cpuinfo/SDL_cpuinfo.c
# timer subsystem
SRC_C += timer/SDL_timer.c
SRC_C += timer/SDL_timer.c \
timer/unix/SDL_systimer.c
INC_DIR += $(SDL_DIR)/src/timer
# video subsystem

103
repos/libports/src/lib/sdl/timer/SDL_systimer.cc
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@ -1,103 +0,0 @@
/*
* \brief Genode-specific timer backend
* \author Christian Prochaska
* \date 2012-03-13
*
* based on the dummy SDL timer
*/
/*
* Copyright (C) 2012-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#include <timer_session/connection.h>
extern "C" {
#include <unistd.h>
#include "SDL_config.h"
#include "SDL_timer.h"
#include "SDL_timer_c.h"
static unsigned long start_ms = 0;
static Timer::Connection _timer;
void SDL_StartTicks(void)
{
start_ms = _timer.elapsed_ms();
}
Uint32 SDL_GetTicks (void)
{
return _timer.elapsed_ms() - start_ms;
}
void SDL_Delay (Uint32 ms)
{
_timer.msleep(ms);
}
#include "SDL_thread.h"
/* Data to handle a single periodic alarm */
static int timer_alive = 0;
static SDL_Thread *timer = NULL;
static int RunTimer(void *unused)
{
while ( timer_alive ) {
if ( SDL_timer_running ) {
SDL_ThreadedTimerCheck();
}
SDL_Delay(1);
}
return(0);
}
/* This is only called if the event thread is not running */
int SDL_SYS_TimerInit(void)
{
timer_alive = 1;
timer = SDL_CreateThread(RunTimer, NULL);
if ( timer == NULL )
return(-1);
return(SDL_SetTimerThreaded(1));
}
void SDL_SYS_TimerQuit(void)
{
timer_alive = 0;
if ( timer ) {
SDL_WaitThread(timer, NULL);
timer = NULL;
}
}
int SDL_SYS_StartTimer(void)
{
SDL_SetError("Internal logic error: threaded timer in use");
return(-1);
}
void SDL_SYS_StopTimer(void)
{
return;
}
}