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platform, fix emu loop timing for vsync enabled

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This commit is contained in:
kub 2022-09-28 18:51:19 +00:00
parent a1ef15a783
commit 12ffc46933
1 changed files with 2 additions and 2 deletions
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4
platform/common/emu.c
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@ -1381,7 +1381,7 @@ static void emu_loop_prep(void)
}
/* our tick here is 1 us right now */
#define ms_to_ticks(x) (unsigned int)(x * 1000)
#define ms_to_ticks(x) (int)(x * 1000)
#define get_ticks() plat_get_ticks_us()
#define vsync_delay_x3 3*ms_to_ticks(1)
@ -1542,7 +1542,7 @@ void emu_loop(void)
// we are too fast
plat_video_wait_vsync();
timestamp = get_ticks();
diff = timestamp * 3 - timestamp_aim_x3;
diff = timestamp_aim_x3 - timestamp * 3;
}
if (diff > target_frametime_x3 + vsync_delay_x3) {
// still too fast