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Build hidapi code into SDL as a new public API

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This prevents conflicts with hidapi linked with applications, as well as allowing applications to make use of HIDAPI on Android and other platforms that might not normally have an implementation available.
This commit is contained in:
Sam Lantinga
2021-11-07 22:58:44 -08:00
parent 94c1276a5f
commit 5b646cd19e
35 changed files with 798 additions and 633 deletions
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23
src/joystick/hidapi/SDL_hidapijoystick.c
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@@ -767,17 +767,7 @@ HIDAPI_JoystickInit(void)
}
#endif
#if defined(__MACOSX__) || defined(__IPHONEOS__) || defined(__TVOS__)
/* The hidapi framwork is weak-linked on Apple platforms */
int HID_API_EXPORT HID_API_CALL hid_init(void) __attribute__((weak_import));
if (hid_init == NULL) {
SDL_SetError("Couldn't initialize hidapi, framework not available");
return -1;
}
#endif /* __MACOSX__ || __IPHONEOS__ || __TVOS__ */
if (hid_init() < 0) {
if (SDL_hid_init() < 0) {
SDL_SetError("Couldn't initialize hidapi");
return -1;
}
@@ -874,7 +864,7 @@ HIDAPI_ConvertString(const wchar_t *wide_string)
}
static void
HIDAPI_AddDevice(struct hid_device_info *info)
HIDAPI_AddDevice(struct SDL_hid_device_info *info)
{
SDL_HIDAPI_Device *device;
SDL_HIDAPI_Device *curr, *last = NULL;
@@ -994,6 +984,7 @@ HIDAPI_AddDevice(struct hid_device_info *info)
HIDAPI_SetupDeviceDriver(device);
#define DEBUG_HIDAPI
#ifdef DEBUG_HIDAPI
SDL_Log("Added HIDAPI device '%s' VID 0x%.4x, PID 0x%.4x, version %d, serial %s, interface %d, interface_class %d, interface_subclass %d, interface_protocol %d, usage page 0x%.4x, usage 0x%.4x, path = %s, driver = %s (%s)\n", device->name, device->vendor_id, device->product_id, device->version, device->serial ? device->serial : "NONE", device->interface_number, device->interface_class, device->interface_subclass, device->interface_protocol, device->usage_page, device->usage, device->path, device->driver ? device->driver->hint : "NONE", device->driver && device->driver->enabled ? "ENABLED" : "DISABLED");
#endif
@@ -1038,7 +1029,7 @@ static void
HIDAPI_UpdateDeviceList(void)
{
SDL_HIDAPI_Device *device;
struct hid_device_info *devs, *info;
struct SDL_hid_device_info *devs, *info;
SDL_LockJoysticks();
@@ -1051,7 +1042,7 @@ HIDAPI_UpdateDeviceList(void)
/* Enumerate the devices */
if (SDL_HIDAPI_numdrivers > 0) {
devs = hid_enumerate(0, 0);
devs = SDL_hid_enumerate(0, 0);
if (devs) {
for (info = devs; info; info = info->next) {
device = HIDAPI_GetJoystickByInfo(info->path, info->vendor_id, info->product_id);
@@ -1061,7 +1052,7 @@ HIDAPI_UpdateDeviceList(void)
HIDAPI_AddDevice(info);
}
}
hid_free_enumeration(devs);
SDL_hid_free_enumeration(devs);
}
}
@@ -1495,7 +1486,7 @@ HIDAPI_JoystickQuit(void)
SDL_DelHintCallback(SDL_HINT_JOYSTICK_HIDAPI,
SDL_HIDAPIDriverHintChanged, NULL);
hid_exit();
SDL_hid_exit();
shutting_down = SDL_FALSE;
initialized = SDL_FALSE;