arch/sdl/timer.c

   1 /* $Id: timer.c,v 1.6 2003-02-21 04:08:48 btb Exp $ */
   2 /*
   3  *
   4  * SDL library timer functions
   5  *
   6  *
   7  */
   8
   9 #ifdef HAVE_CONFIG_H
  10 #include <conf.h>
  11 #endif
  12
  13 #include <SDL.h>
  14
  15 #include "maths.h"
  16 #include "timer.h"
  17
  18 fix timer_get_approx_seconds(void)
  19 {
  20         return approx_msec_to_fsec(SDL_GetTicks());
  21 }
  22
  23 fix timer_get_fixed_seconds(void)
  24 {
  25         fix x;
  26         unsigned long tv_now = SDL_GetTicks();
  27         x=i2f(tv_now/1000) | fixdiv(i2f(tv_now % 1000),i2f(1000));
  28         return x;
  29 }
  30
  31 void timer_delay(fix seconds)
  32 {
  33         SDL_Delay(f2i(fixmul(seconds, i2f(1000))));
  34 }