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Edward Rudd Device: Logitech Rumble Gamepad F510 in Xinput mode. Upon opening the joystick the values of the axes are queried via PollAllValues are not actually set on the device all the time. This can easily be seen in the testjoystick or testgamecontroller test programs,as the testjoystick shows all axes in the center until one 'tickles' the triggers., and the testgamecontroller will show the triggers as 'on' until on 'tickles' the triggers. Upon further research the culprit is the SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS hint. In the default value events are ignored until there is an active window, Thus in cases where the joystick system is initialized and controllers opened before the initial window is created & focuses, the initial values will be incorrect. Here is my current workaround in the game I'm working on porting.. SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1"); SDL_GameController* gamepad = SDL_GameControllerOpen(index); SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "0"); |
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| android | ||
| bsd | ||
| darwin | ||
| dummy | ||
| emscripten | ||
| haiku | ||
| iphoneos | ||
| linux | ||
| psp | ||
| windows | ||
| SDL_gamecontroller.c | ||
| SDL_gamecontrollerdb.h | ||
| SDL_joystick_c.h | ||
| SDL_joystick.c | ||
| SDL_sysjoystick.h | ||
| sort_controllers.py | ||