arch/sdl/timer.c

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