forked from KolibriOS/kolibrios
46 lines
761 B
C
46 lines
761 B
C
#include <sys/ksys.h>
|
|
|
|
/*
|
|
Calculate and draw FPS
|
|
x,y - window relative coordinates to draw FPS info
|
|
|
|
Returns the number of centiseconds (cs) spent in one drawing cycle
|
|
*/
|
|
|
|
int time1=0;
|
|
int time2=0;
|
|
int fps1=0;
|
|
int timerend=0;
|
|
|
|
int Fps (long x, long y)
|
|
{
|
|
int tr;
|
|
|
|
time1 = _ksys_get_tick_count(); // time in cs since boot
|
|
|
|
if (timerend==0)
|
|
{
|
|
time2 = time1;
|
|
timerend = time1;
|
|
}
|
|
|
|
tr = time1 - timerend;
|
|
|
|
if ((time1 - time2) < 100) // if passed less than one second
|
|
{
|
|
fps1++;
|
|
}
|
|
else
|
|
{
|
|
// draw FPS info
|
|
_ksys_draw_bar(x, y, 23, 7, 0x00555555);
|
|
_ksys_draw_number(fps1, x, y, 4, 0xfafafa);
|
|
fps1 = 0;
|
|
time2 = time1;
|
|
}
|
|
|
|
timerend = time1;
|
|
|
|
return tr;
|
|
}
|