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Moved rumble expiration to the main joystick handling level, and prevent sending the driver layer duplicate rumble requests.

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This commit is contained in:
Sam Lantinga
2020-02-04 12:48:53 -08:00
parent 976eee77cc
commit 6efebf1768
25 changed files with 94 additions and 237 deletions
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35
src/joystick/SDL_joystick.c
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@@ -758,7 +758,26 @@ SDL_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16
}
SDL_LockJoysticks();
result = joystick->driver->Rumble(joystick, low_frequency_rumble, high_frequency_rumble, duration_ms);
if (low_frequency_rumble == joystick->low_frequency_rumble &&
high_frequency_rumble == joystick->high_frequency_rumble) {
/* Just update the expiration */
result = 0;
} else {
result = joystick->driver->Rumble(joystick, low_frequency_rumble, high_frequency_rumble);
}
/* Save the rumble value regardless of success, so we don't spam the driver */
joystick->low_frequency_rumble = low_frequency_rumble;
joystick->high_frequency_rumble = high_frequency_rumble;
if ((low_frequency_rumble || high_frequency_rumble) && duration_ms) {
joystick->rumble_expiration = SDL_GetTicks() + SDL_min(duration_ms, SDL_MAX_RUMBLE_DURATION_MS);
if (!joystick->rumble_expiration) {
joystick->rumble_expiration = 1;
}
} else {
joystick->rumble_expiration = 0;
}
SDL_UnlockJoysticks();
return result;
@@ -790,6 +809,10 @@ SDL_JoystickClose(SDL_Joystick * joystick)
return;
}
if (joystick->rumble_expiration) {
SDL_JoystickRumble(joystick, 0, 0, 0);
}
joystick->driver->Close(joystick);
joystick->hwdata = NULL;
@@ -1217,6 +1240,16 @@ SDL_JoystickUpdate(void)
}
}
if (joystick->rumble_expiration) {
SDL_LockJoysticks();
/* Double check now that the lock is held */
if (joystick->rumble_expiration &&
SDL_TICKS_PASSED(SDL_GetTicks(), joystick->rumble_expiration)) {
SDL_JoystickRumble(joystick, 0, 0, 0);
}
SDL_UnlockJoysticks();
}
if (joystick->force_recentering) {
/* Tell the app that everything is centered/unpressed... */
for (i = 0; i < joystick->naxes; i++) {