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Adds function SDL_JoystickGetDeviceHWID() to get the hardware ID of a joystick so devices can be uniquely referenced over program executions.

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An example would be one SDL application launching another SDL application, passing it the HWID of the joystick that is to be the "primary" controller.
This commit is contained in:
Chris Smith 2021-03-18 18:40:22 +00:00
parent f6027780aa
commit f1003e7110
6 changed files with 41 additions and 0 deletions
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6
include/SDL_joystick.h
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@ -144,6 +144,12 @@ extern DECLSPEC int SDLCALL SDL_JoystickGetDevicePlayerIndex(int device_index);
*/
extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetDeviceGUID(int device_index);
/**
* Return the HWID for the joystick at this index
* This can be called before any joysticks are opened.
*/
extern DECLSPEC const char *SDLCALL SDL_JoystickGetDeviceHWID(int device_index);
/**
* Get the USB vendor ID of a joystick, if available.
* This can be called before any joysticks are opened.