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Fixed using more than one Xbox Bluetooth controller

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Don't prevent duplicate devices using hidraw, instead libusb takes precedence and all hidraw devices that aren't handled by libusb are available
This commit is contained in:
Sam Lantinga 2020-03-04 09:42:08 -08:00
parent 2a91f682b5
commit 69a8c8468c
1 changed files with 28 additions and 42 deletions
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70
src/hidapi/SDL_hidapi.c
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@ -536,73 +536,52 @@ int HID_API_EXPORT HID_API_CALL hid_exit(void)
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id)
{
#ifdef SDL_LIBUSB_DYNAMIC
struct LIBUSB_hid_device_info *usb_devs = NULL;
struct LIBUSB_hid_device_info *usb_dev;
#endif
#if HAVE_PLATFORM_BACKEND
struct PLATFORM_hid_device_info *raw_devs = NULL;
struct PLATFORM_hid_device_info *raw_dev;
#endif /* HAVE_PLATFORM_BACKEND */
#endif
struct hid_device_info *devs = NULL, *last = NULL, *new_dev;
SDL_bool bFound;
if (SDL_hidapi_wasinit == SDL_FALSE) {
hid_init();
}
#if HAVE_PLATFORM_BACKEND
if (udev_ctx) {
raw_devs = PLATFORM_hid_enumerate(vendor_id, product_id);
}
#endif /* HAVE_PLATFORM_BACKEND */
#ifdef SDL_LIBUSB_DYNAMIC
if (libusb_ctx.libhandle) {
struct LIBUSB_hid_device_info *usb_devs = LIBUSB_hid_enumerate(vendor_id, product_id);
struct LIBUSB_hid_device_info *usb_dev;
usb_devs = LIBUSB_hid_enumerate(vendor_id, product_id);
for (usb_dev = usb_devs; usb_dev; usb_dev = usb_dev->next) {
bFound = SDL_FALSE;
#if HAVE_PLATFORM_BACKEND
for (raw_dev = raw_devs; raw_dev; raw_dev = raw_dev->next) {
if (raw_dev->vendor_id == 0x057e && raw_dev->product_id == 0x0337) {
/* The GameCube adapter is handled by the USB HIDAPI driver */
continue;
}
if (usb_dev->vendor_id == raw_dev->vendor_id &&
usb_dev->product_id == raw_dev->product_id &&
(raw_dev->interface_number < 0 || usb_dev->interface_number == raw_dev->interface_number)) {
bFound = SDL_TRUE;
break;
}
}
#endif
new_dev = (struct hid_device_info*) SDL_malloc(sizeof(struct hid_device_info));
LIBUSB_CopyHIDDeviceInfo(usb_dev, new_dev);
if (!bFound) {
new_dev = (struct hid_device_info*) SDL_malloc(sizeof(struct hid_device_info));
LIBUSB_CopyHIDDeviceInfo(usb_dev, new_dev);
if (last != NULL) {
last->next = new_dev;
} else {
devs = new_dev;
}
last = new_dev;
if (last != NULL) {
last->next = new_dev;
} else {
devs = new_dev;
}
last = new_dev;
}
LIBUSB_hid_free_enumeration(usb_devs);
}
#endif /* SDL_LIBUSB_DYNAMIC */
#if HAVE_PLATFORM_BACKEND
if (udev_ctx) {
raw_devs = PLATFORM_hid_enumerate(vendor_id, product_id);
for (raw_dev = raw_devs; raw_dev; raw_dev = raw_dev->next) {
bFound = SDL_FALSE;
for (new_dev = devs; new_dev; new_dev = new_dev->next) {
if (raw_dev->vendor_id == new_dev->vendor_id &&
raw_dev->product_id == new_dev->product_id &&
raw_dev->interface_number == new_dev->interface_number) {
SDL_bool bFound = SDL_FALSE;
#ifdef SDL_LIBUSB_DYNAMIC
for (usb_dev = usb_devs; usb_dev; usb_dev = usb_dev->next) {
if (raw_dev->vendor_id == usb_dev->vendor_id &&
raw_dev->product_id == usb_dev->product_id &&
(raw_dev->interface_number < 0 || raw_dev->interface_number == usb_dev->interface_number)) {
bFound = SDL_TRUE;
break;
}
}
#endif
if (!bFound) {
new_dev = (struct hid_device_info*) SDL_malloc(sizeof(struct hid_device_info));
PLATFORM_CopyHIDDeviceInfo(raw_dev, new_dev);
@ -620,6 +599,11 @@ struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned shor
}
#endif /* HAVE_PLATFORM_BACKEND */
#ifdef SDL_LIBUSB_DYNAMIC
if (libusb_ctx.libhandle) {
LIBUSB_hid_free_enumeration(usb_devs);
}
#endif
return devs;
}
@ -764,3 +748,5 @@ HID_API_EXPORT const wchar_t* HID_API_CALL hid_error(hid_device *device)
}
#endif /* SDL_JOYSTICK_HIDAPI */
/* vi: set sts=4 ts=4 sw=4 expandtab: */