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Added SDL_HINT_HIDAPI_ENUMERATE_ONLY_CONTROLLERS to control whether SDL_hid_enumerate() enumerates all HID devices or only controllers.

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By default SDL will only enumerate controllers, to reduce risk of hanging or crashing on devices with bad drivers and avoiding macOS keyboard capture permission prompts.
This commit is contained in:
Sam Lantinga 2023-05-27 09:37:38 -07:00
parent 77e59d4fa9
commit 0ffeca8a1c
10 changed files with 66 additions and 89 deletions
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8
src/hidapi/linux/hid.c
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@ -974,7 +974,13 @@ struct hid_device_info HID_API_EXPORT *hid_enumerate(unsigned short vendor_id,
if (!parse_hid_vid_pid_from_sysfs(sysfs_path, &bus_type, &dev_vid, &dev_pid))
continue;
if (HIDAPI_IGNORE_DEVICE(dev_vid, dev_pid)) {
struct hidraw_report_descriptor report_desc;
unsigned short page = 0, usage = 0;
unsigned int pos = 0;
if (get_hid_report_descriptor_from_sysfs(sysfs_path, &report_desc) >= 0) {
get_next_hid_usage(report_desc.value, report_desc.size, &pos, &page, &usage);
}
if (HIDAPI_IGNORE_DEVICE(dev_vid, dev_pid, page, usage)) {
continue;
}
#endif