mirror of https://github.com/PCSX2/pcsx2.git
91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
|
|
/* Test program to check the resolution of the SDL timer on the current
|
|
platform
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "SDL.h"
|
|
|
|
#define DEFAULT_RESOLUTION 1
|
|
|
|
static int ticks = 0;
|
|
|
|
static Uint32 SDLCALL
|
|
ticktock(Uint32 interval)
|
|
{
|
|
++ticks;
|
|
return (interval);
|
|
}
|
|
|
|
static Uint32 SDLCALL
|
|
callback(Uint32 interval, void *param)
|
|
{
|
|
printf("Timer %d : param = %d\n", interval, (int) (uintptr_t) param);
|
|
return interval;
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int desired;
|
|
SDL_TimerID t1, t2, t3;
|
|
|
|
if (SDL_Init(SDL_INIT_TIMER) < 0) {
|
|
fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
|
|
return (1);
|
|
}
|
|
|
|
/* Start the timer */
|
|
desired = 0;
|
|
if (argv[1]) {
|
|
desired = atoi(argv[1]);
|
|
}
|
|
if (desired == 0) {
|
|
desired = DEFAULT_RESOLUTION;
|
|
}
|
|
SDL_SetTimer(desired, ticktock);
|
|
|
|
/* Wait 10 seconds */
|
|
printf("Waiting 10 seconds\n");
|
|
SDL_Delay(10 * 1000);
|
|
|
|
/* Stop the timer */
|
|
SDL_SetTimer(0, NULL);
|
|
|
|
/* Print the results */
|
|
if (ticks) {
|
|
fprintf(stderr,
|
|
"Timer resolution: desired = %d ms, actual = %f ms\n",
|
|
desired, (double) (10 * 1000) / ticks);
|
|
}
|
|
|
|
/* Test multiple timers */
|
|
printf("Testing multiple timers...\n");
|
|
t1 = SDL_AddTimer(100, callback, (void *) 1);
|
|
if (!t1)
|
|
fprintf(stderr, "Could not create timer 1: %s\n", SDL_GetError());
|
|
t2 = SDL_AddTimer(50, callback, (void *) 2);
|
|
if (!t2)
|
|
fprintf(stderr, "Could not create timer 2: %s\n", SDL_GetError());
|
|
t3 = SDL_AddTimer(233, callback, (void *) 3);
|
|
if (!t3)
|
|
fprintf(stderr, "Could not create timer 3: %s\n", SDL_GetError());
|
|
|
|
/* Wait 10 seconds */
|
|
printf("Waiting 10 seconds\n");
|
|
SDL_Delay(10 * 1000);
|
|
|
|
printf("Removing timer 1 and waiting 5 more seconds\n");
|
|
SDL_RemoveTimer(t1);
|
|
|
|
SDL_Delay(5 * 1000);
|
|
|
|
SDL_RemoveTimer(t2);
|
|
SDL_RemoveTimer(t3);
|
|
|
|
SDL_Quit();
|
|
return (0);
|
|
}
|