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Merge pull request #6727 from ceb33/master

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fix to set hid device registration deterministic (#6497), to address issue #6640 re-adding dynamic device registration
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Twinaphex 2018-05-05 23:15:12 +02:00 committed by GitHub
commit ec8f40c833
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1 changed files with 121 additions and 21 deletions
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142
input/drivers_hid/iohidmanager_hid.c
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@ -56,6 +56,7 @@ struct iohidmanager_hid_adapter
apple_input_rec_t *hats;
apple_input_rec_t *buttons;
uint8_t data[2048];
uint32_t uniqueId;
};
CFComparisonResult iohidmanager_sort_elements(const void *val1, const void *val2, void *context)
@ -485,6 +486,14 @@ static uint32_t iohidmanager_hid_device_get_location_id(IOHIDDeviceRef device)
CFSTR(kIOHIDLocationIDKey));
}
static uint32_t iohidmanager_hid_device_get_unique_id(IOHIDDeviceRef device)
{
/* osx seems to assign an unique id to each device when they are plugged in
* the id change if device is unplugged/plugged, but it's unique amongst the
* other device plugged */
return iohidmanager_hid_device_get_int_property(device,CFSTR(kIOHIDUniqueIDKey));
}
static void iohidmanager_hid_device_get_product_string(
IOHIDDeviceRef device, char *buf, size_t len)
{
@ -495,6 +504,9 @@ static void iohidmanager_hid_device_get_product_string(
CFStringGetCString(ref, buf, len, kCFStringEncodingUTF8);
}
static void iohidmanager_hid_device_add_autodetect(unsigned idx,
const char *device_name, const char *driver_name,
uint16_t dev_vid, uint16_t dev_pid)
@ -512,10 +524,24 @@ static void iohidmanager_hid_device_add_autodetect(unsigned idx,
RARCH_LOG("Port %d: %s.\n", idx, device_name);
}
static void iohidmanager_hid_device_add(void *data, IOReturn result,
void *sender, IOHIDDeviceRef device)
static void iohidmanager_hid_device_add_device(IOHIDDeviceRef device, iohidmanager_hid_t* hid)
{
int i;
/* get device unique id */
uint32_t deviceUniqueId = iohidmanager_hid_device_get_unique_id(device);
/* check if pad was already registered previously (by deterministic method)
* if so do not re-add the pad */
for (i=0; i<MAX_USERS; i++)
{
struct iohidmanager_hid_adapter *a = hid->slots[i].data;
if (a == NULL)
continue;
if (a->uniqueId == deviceUniqueId)
return;
}
IOReturn ret;
uint16_t dev_vid, dev_pid;
CFArrayRef elements_raw;
@ -527,8 +553,6 @@ static void iohidmanager_hid_device_add(void *data, IOReturn result,
apple_input_rec_t *tmp = NULL;
apple_input_rec_t *tmpButtons = NULL;
apple_input_rec_t *tmpAxes = NULL;
iohidmanager_hid_t *hid = (iohidmanager_hid_t*)
hid_driver_get_data();
struct iohidmanager_hid_adapter *adapter = (struct iohidmanager_hid_adapter*)
calloc(1, sizeof(*adapter));
@ -557,6 +581,7 @@ static void iohidmanager_hid_device_add(void *data, IOReturn result,
dev_vid = iohidmanager_hid_device_get_vendor_id (device);
dev_pid = iohidmanager_hid_device_get_product_id (device);
adapter->uniqueId = deviceUniqueId;
adapter->slot = pad_connection_pad_init(hid->slots,
adapter->name, dev_vid, dev_pid, adapter,
@ -788,6 +813,14 @@ error:
}
}
static void iohidmanager_hid_device_add(void *data, IOReturn result,
void* sender, IOHIDDeviceRef device)
{
iohidmanager_hid_t *hid = (iohidmanager_hid_t*) hid_driver_get_data();
iohidmanager_hid_device_add_device(device, hid);
}
static void iohidmanager_hid_append_matching_dictionary(
CFMutableArrayRef array,
uint32_t page, uint32_t use)
@ -841,6 +874,16 @@ static int iohidmanager_hid_manager_free(iohidmanager_hid_t *hid)
return 0;
}
static int iohidmanager_hid_manager_set_device_matching(
iohidmanager_hid_t *hid)
{
/* deterministically add all device currently plugged when lanching retroarch
* order by location id which seems to correspond to usb port number */
CFSetRef set = IOHIDManagerCopyDevices(hid->ptr);
CFIndex num_devices = CFSetGetCount(set);
IOHIDDeviceRef *device_array = calloc(num_devices, sizeof(IOHIDDeviceRef));
CFSetGetValues(set, (const void **) device_array);
/* re order device by location id */
typedef struct hid_list
{
@ -849,27 +892,84 @@ static int iohidmanager_hid_manager_free(iohidmanager_hid_t *hid)
struct hid_list *next;
} hid_list_t;
static int iohidmanager_hid_manager_set_device_matching(
iohidmanager_hid_t *hid)
{
CFMutableArrayRef matcher = CFArrayCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeArrayCallBacks);
hid_list_t* devList = NULL;
for (long i=0; i<num_devices;i++)
{
IOHIDDeviceRef dev = device_array[i];
/* filter gamepad/joystick devices */
if ( IOHIDDeviceConformsTo(dev, kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick)
|| IOHIDDeviceConformsTo(dev, kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad)
)
{
if ( devList == NULL )
{
devList = (hid_list_t *)malloc(sizeof(hid_list_t));
devList->device = dev;
devList->lid = iohidmanager_hid_device_get_location_id(dev);
devList->next = NULL;
}
else
{
hid_list_t * new = (hid_list_t *)malloc(sizeof(hid_list_t));
new->device = dev;
new->lid = iohidmanager_hid_device_get_location_id(dev);
new->next = NULL;
if (!matcher)
return -1;
hid_list_t * ptr = devList;
if ( new->lid < ptr->lid )
{
new->next = ptr;
devList = new;
}
else
{
while ( ( ptr->lid < new->lid ) && (ptr->next != NULL) )
{
ptr = ptr->next;
}
new->next = ptr->next;
ptr->next = new;
}
}
}
}
iohidmanager_hid_append_matching_dictionary(matcher,
kHIDPage_GenericDesktop,
kHIDUsage_GD_Joystick);
iohidmanager_hid_append_matching_dictionary(matcher,
kHIDPage_GenericDesktop,
kHIDUsage_GD_GamePad);
/* register devices */
hid_list_t * ptr = devList;
while (ptr != NULL)
{
iohidmanager_hid_device_add_device(ptr->device, hid);
IOHIDManagerSetDeviceMatchingMultiple(hid->ptr, matcher);
IOHIDManagerRegisterDeviceMatchingCallback(hid->ptr,
iohidmanager_hid_device_add, 0);
//printf("%d\n",ptr->lid);
ptr = ptr->next;
free(devList);
devList = ptr;
}
free(device_array);
CFRelease(matcher);
/* register call back to dynamically add device plugged when retroarch is
* running
* those will be added after the one plugged when retroarch was launched,
* and by order they are plugged in (so not deterministic) */
CFMutableArrayRef matcher = CFArrayCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeArrayCallBacks);
if (!matcher)
return -1;
iohidmanager_hid_append_matching_dictionary(matcher,
kHIDPage_GenericDesktop,
kHIDUsage_GD_Joystick);
iohidmanager_hid_append_matching_dictionary(matcher,
kHIDPage_GenericDesktop,
kHIDUsage_GD_GamePad);
IOHIDManagerSetDeviceMatchingMultiple(hid->ptr, matcher);
IOHIDManagerRegisterDeviceMatchingCallback(hid->ptr,
iohidmanager_hid_device_add, 0);
CFRelease(matcher);
return 0;
}