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Added mfb_get_target_fps

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This commit is contained in:
Carlos Aragones 2021-04-28 12:36:40 +02:00
parent cc79a85e3d
commit fb35e988ad
3 changed files with 17 additions and 4 deletions
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3
README.md
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@ -136,10 +136,11 @@ double mfb_timer_get_frequency();
double mfb_timer_get_resolution();
```
Furthermore you can set a target fps for the application. The default is 60 frames per second.
Furthermore you can set (and get) a target fps for the application. The default is 60 frames per second.
```c
void mfb_set_target_fps(uint32_t fps);
unsigned mfb_get_target_fps();
```
This avoid the problem of update too fast the window collapsing the redrawing in fast processors.

1
include/MiniFB.h
View File

@ -68,6 +68,7 @@ const uint8_t * mfb_get_key_buffer(struct mfb_window *window); // O
// FPS
void mfb_set_target_fps(uint32_t fps);
unsigned mfb_get_target_fps();
bool mfb_wait_sync(struct mfb_window *window);
// Timer

17
src/MiniFB_timer.c
View File

@ -22,6 +22,17 @@ mfb_set_target_fps(uint32_t fps) {
}
}
//-------------------------------------
unsigned
mfb_get_target_fps() {
if (g_time_for_frame == 0) {
return 0;
}
else {
return 1.0 / g_time_for_frame;
}
}
//-------------------------------------
struct mfb_timer *
mfb_timer_create() {
@ -50,7 +61,7 @@ mfb_timer_destroy(struct mfb_timer *tmr) {
//-------------------------------------
void
mfb_timer_reset(struct mfb_timer *tmr) {
if(tmr == 0x0)
if(tmr == 0x0)
return;
tmr->start_time = mfb_timer_tick();
@ -63,7 +74,7 @@ double
mfb_timer_now(struct mfb_timer *tmr) {
uint64_t counter;
if(tmr == 0x0)
if(tmr == 0x0)
return 0.0;
counter = mfb_timer_tick();
@ -79,7 +90,7 @@ mfb_timer_delta(struct mfb_timer *tmr) {
int64_t counter;
uint64_t delta;
if(tmr == 0x0)
if(tmr == 0x0)
return 0.0;
counter = mfb_timer_tick();