SDL

- detect that you tried to open a gamecontroller in xinput mode and failed, then re-get the mapping for the dinput variant you did open (and most likely now just fail the open)

CR: SamL

src/joystick/windows/SDL_dxjoystick.c

@@ -1776,6 +1776,12 @@ SDL_bool SDL_SYS_IsXInputDeviceIndex(int device_index)
     return device->bXInputDevice;
 }
 
+/* return SDL_TRUE if this device was opened with XInput */
+SDL_bool SDL_SYS_IsXInputJoystick(SDL_Joystick * joystick)
+{
+	return joystick->hwdata->bXInputDevice;
+}
+
 #endif /* SDL_JOYSTICK_DINPUT */
 
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