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early-access version 1667

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This commit is contained in:
pineappleEA
2021-05-09 11:30:38 +02:00
parent 5e268d25d7
commit 5dbb928ff2
1069 changed files with 38272 additions and 14437 deletions
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externals/SDL/src/joystick/hidapi/SDL_hidapijoystick.c
Vendored
+229 -42
View File
@@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
@@ -28,6 +28,7 @@
#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_joystick.h"
#include "SDL_log.h"
#include "../SDL_sysjoystick.h"
#include "SDL_hidapijoystick_c.h"
#include "SDL_hidapi_rumble.h"
@@ -51,6 +52,24 @@
#ifdef SDL_USE_LIBUDEV
#include <poll.h>
#endif
#ifdef HAVE_INOTIFY
#include <errno.h> /* errno, strerror */
#include <fcntl.h>
#include <limits.h> /* For the definition of NAME_MAX */
#include <sys/inotify.h>
#endif
#include <unistd.h>
#endif
#if defined(SDL_USE_LIBUDEV)
typedef enum
{
ENUMERATION_UNSET,
ENUMERATION_LIBUDEV,
ENUMERATION_FALLBACK
} LinuxEnumerationMethod;
static LinuxEnumerationMethod linux_enumeration_method = ENUMERATION_UNSET;
#endif
struct joystick_hwdata
@@ -59,12 +78,18 @@ struct joystick_hwdata
};
static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
#ifdef SDL_JOYSTICK_HIDAPI_GAMECUBE
&SDL_HIDAPI_DriverGameCube,
#endif
#ifdef SDL_JOYSTICK_HIDAPI_PS4
&SDL_HIDAPI_DriverPS4,
#endif
#ifdef SDL_JOYSTICK_HIDAPI_PS5
&SDL_HIDAPI_DriverPS5,
#endif
#ifdef SDL_JOYSTICK_HIDAPI_STADIA
&SDL_HIDAPI_DriverStadia,
#endif
#ifdef SDL_JOYSTICK_HIDAPI_STEAM
&SDL_HIDAPI_DriverSteam,
#endif
@@ -78,9 +103,6 @@ static SDL_HIDAPI_DeviceDriver *SDL_HIDAPI_drivers[] = {
#ifdef SDL_JOYSTICK_HIDAPI_XBOXONE
&SDL_HIDAPI_DriverXboxOne,
#endif
#ifdef SDL_JOYSTICK_HIDAPI_GAMECUBE
&SDL_HIDAPI_DriverGameCube,
#endif
};
static int SDL_HIDAPI_numdrivers = 0;
static SDL_SpinLock SDL_HIDAPI_spinlock;
@@ -89,6 +111,10 @@ static int SDL_HIDAPI_numjoysticks = 0;
static SDL_bool initialized = SDL_FALSE;
static SDL_bool shutting_down = SDL_FALSE;
#if defined(HAVE_INOTIFY)
static int inotify_fd = -1;
#endif
#if defined(SDL_USE_LIBUDEV)
static const SDL_UDEV_Symbols * usyms = NULL;
#endif
@@ -181,6 +207,46 @@ static void CallbackIOServiceFunc(void *context, io_iterator_t portIterator)
}
#endif /* __MACOSX__ */
#ifdef HAVE_INOTIFY
#ifdef HAVE_INOTIFY_INIT1
static int SDL_inotify_init1(void) {
return inotify_init1(IN_NONBLOCK | IN_CLOEXEC);
}
#else
static int SDL_inotify_init1(void) {
int fd = inotify_init();
if (fd < 0) return -1;
fcntl(fd, F_SETFL, O_NONBLOCK);
fcntl(fd, F_SETFD, FD_CLOEXEC);
return fd;
}
#endif
static int
StrHasPrefix(const char *string, const char *prefix)
{
return (SDL_strncmp(string, prefix, SDL_strlen(prefix)) == 0);
}
static int
StrIsInteger(const char *string)
{
const char *p;
if (*string == '\0') {
return 0;
}
for (p = string; *p != '\0'; p++) {
if (*p < '0' || *p > '9') {
return 0;
}
}
return 1;
}
#endif
static void
HIDAPI_InitializeDiscovery()
{
@@ -270,24 +336,55 @@ HIDAPI_InitializeDiscovery()
#endif // __MACOSX__
#if defined(SDL_USE_LIBUDEV)
SDL_HIDAPI_discovery.m_pUdev = NULL;
SDL_HIDAPI_discovery.m_pUdevMonitor = NULL;
SDL_HIDAPI_discovery.m_nUdevFd = -1;
if (linux_enumeration_method == ENUMERATION_LIBUDEV) {
SDL_HIDAPI_discovery.m_pUdev = NULL;
SDL_HIDAPI_discovery.m_pUdevMonitor = NULL;
SDL_HIDAPI_discovery.m_nUdevFd = -1;
usyms = SDL_UDEV_GetUdevSyms();
if (usyms) {
SDL_HIDAPI_discovery.m_pUdev = usyms->udev_new();
}
if (SDL_HIDAPI_discovery.m_pUdev) {
SDL_HIDAPI_discovery.m_pUdevMonitor = usyms->udev_monitor_new_from_netlink(SDL_HIDAPI_discovery.m_pUdev, "udev");
if (SDL_HIDAPI_discovery.m_pUdevMonitor) {
usyms->udev_monitor_enable_receiving(SDL_HIDAPI_discovery.m_pUdevMonitor);
SDL_HIDAPI_discovery.m_nUdevFd = usyms->udev_monitor_get_fd(SDL_HIDAPI_discovery.m_pUdevMonitor);
SDL_HIDAPI_discovery.m_bCanGetNotifications = SDL_TRUE;
usyms = SDL_UDEV_GetUdevSyms();
if (usyms) {
SDL_HIDAPI_discovery.m_pUdev = usyms->udev_new();
}
if (SDL_HIDAPI_discovery.m_pUdev) {
SDL_HIDAPI_discovery.m_pUdevMonitor = usyms->udev_monitor_new_from_netlink(SDL_HIDAPI_discovery.m_pUdev, "udev");
if (SDL_HIDAPI_discovery.m_pUdevMonitor) {
usyms->udev_monitor_enable_receiving(SDL_HIDAPI_discovery.m_pUdevMonitor);
SDL_HIDAPI_discovery.m_nUdevFd = usyms->udev_monitor_get_fd(SDL_HIDAPI_discovery.m_pUdevMonitor);
SDL_HIDAPI_discovery.m_bCanGetNotifications = SDL_TRUE;
}
}
}
else
#endif /* SDL_USE_LIBUDEV */
{
#if defined(HAVE_INOTIFY)
inotify_fd = SDL_inotify_init1();
if (inotify_fd < 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_INPUT,
"Unable to initialize inotify, falling back to polling: %s",
strerror(errno));
return;
}
/* We need to watch for attribute changes in addition to
* creation, because when a device is first created, it has
* permissions that we can't read. When udev chmods it to
* something that we maybe *can* read, we'll get an
* IN_ATTRIB event to tell us. */
if (inotify_add_watch(inotify_fd, "/dev",
IN_CREATE | IN_DELETE | IN_MOVE | IN_ATTRIB) < 0) {
close(inotify_fd);
inotify_fd = -1;
SDL_LogWarn(SDL_LOG_CATEGORY_INPUT,
"Unable to add inotify watch, falling back to polling: %s",
strerror (errno));
return;
}
SDL_HIDAPI_discovery.m_bCanGetNotifications = SDL_TRUE;
#endif /* HAVE_INOTIFY */
}
}
static void
@@ -328,31 +425,78 @@ HIDAPI_UpdateDiscovery()
#endif
#if defined(SDL_USE_LIBUDEV)
if (SDL_HIDAPI_discovery.m_nUdevFd >= 0) {
/* Drain all notification events.
* We don't expect a lot of device notifications so just
* do a new discovery on any kind or number of notifications.
* This could be made more restrictive if necessary.
*/
for (;;) {
struct pollfd PollUdev;
struct udev_device *pUdevDevice;
if (linux_enumeration_method == ENUMERATION_LIBUDEV) {
if (SDL_HIDAPI_discovery.m_nUdevFd >= 0) {
/* Drain all notification events.
* We don't expect a lot of device notifications so just
* do a new discovery on any kind or number of notifications.
* This could be made more restrictive if necessary.
*/
for (;;) {
struct pollfd PollUdev;
struct udev_device *pUdevDevice;
PollUdev.fd = SDL_HIDAPI_discovery.m_nUdevFd;
PollUdev.events = POLLIN;
if (poll(&PollUdev, 1, 0) != 1) {
break;
}
PollUdev.fd = SDL_HIDAPI_discovery.m_nUdevFd;
PollUdev.events = POLLIN;
if (poll(&PollUdev, 1, 0) != 1) {
break;
}
SDL_HIDAPI_discovery.m_bHaveDevicesChanged = SDL_TRUE;
pUdevDevice = usyms->udev_monitor_receive_device(SDL_HIDAPI_discovery.m_pUdevMonitor);
if (pUdevDevice) {
usyms->udev_device_unref(pUdevDevice);
pUdevDevice = usyms->udev_monitor_receive_device(SDL_HIDAPI_discovery.m_pUdevMonitor);
if (pUdevDevice) {
const char *action = NULL;
action = usyms->udev_device_get_action(pUdevDevice);
if (!action || SDL_strcmp(action, "add") == 0 || SDL_strcmp(action, "remove") == 0) {
SDL_HIDAPI_discovery.m_bHaveDevicesChanged = SDL_TRUE;
}
usyms->udev_device_unref(pUdevDevice);
}
}
}
}
#endif
else
#endif /* SDL_USE_LIBUDEV */
{
#if defined(HAVE_INOTIFY)
if (inotify_fd >= 0) {
union
{
struct inotify_event event;
char storage[4096];
char enough_for_inotify[sizeof (struct inotify_event) + NAME_MAX + 1];
} buf;
ssize_t bytes;
size_t remain = 0;
size_t len;
bytes = read(inotify_fd, &buf, sizeof (buf));
if (bytes > 0) {
remain = (size_t) bytes;
}
while (remain > 0) {
if (buf.event.len > 0 &&
!SDL_HIDAPI_discovery.m_bHaveDevicesChanged) {
if (StrHasPrefix(buf.event.name, "hidraw") &&
StrIsInteger(buf.event.name + strlen ("hidraw"))) {
SDL_HIDAPI_discovery.m_bHaveDevicesChanged = SDL_TRUE;
/* We found an hidraw change. We still continue to
* drain the inotify fd to avoid leaving old
* notifications in the queue. */
}
}
len = sizeof (struct inotify_event) + buf.event.len;
remain -= len;
if (remain != 0) {
memmove(&buf.storage[0], &buf.storage[len], remain);
}
}
}
#endif /* HAVE_INOTIFY */
}
}
static void
@@ -376,7 +520,8 @@ HIDAPI_ShutdownDiscovery()
#endif
#if defined(SDL_USE_LIBUDEV)
if (usyms) {
if (linux_enumeration_method == ENUMERATION_LIBUDEV &&
usyms) {
if (SDL_HIDAPI_discovery.m_pUdevMonitor) {
usyms->udev_monitor_unref(SDL_HIDAPI_discovery.m_pUdevMonitor);
}
@@ -410,6 +555,12 @@ HIDAPI_DumpPacket(const char *prefix, Uint8 *data, int size)
SDL_free(buffer);
}
float
HIDAPI_RemapVal(float val, float val_min, float val_max, float output_min, float output_max)
{
return output_min + (output_max - output_min) * (val - val_min) / (val_max - val_min);
}
static void HIDAPI_JoystickDetect(void);
static void HIDAPI_JoystickClose(SDL_Joystick * joystick);
@@ -437,8 +588,14 @@ HIDAPI_GetDeviceDriver(SDL_HIDAPI_Device *device)
const Uint16 USAGE_MULTIAXISCONTROLLER = 0x0008;
int i;
SDL_GameControllerType type;
SDL_JoystickGUID check_guid;
if (SDL_ShouldIgnoreJoystick(device->name, device->guid)) {
/* Make sure we have a generic GUID here, otherwise if we pass a HIDAPI
guid, this call will create a game controller mapping for the device.
*/
check_guid = device->guid;
check_guid.data[14] = 0;
if (SDL_ShouldIgnoreJoystick(device->name, check_guid)) {
return NULL;
}
@@ -585,6 +742,28 @@ HIDAPI_JoystickInit(void)
return 0;
}
#if defined(SDL_USE_LIBUDEV)
if (linux_enumeration_method == ENUMERATION_UNSET) {
if (SDL_getenv("SDL_HIDAPI_JOYSTICK_DISABLE_UDEV") != NULL) {
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT,
"udev disabled by SDL_HIDAPI_JOYSTICK_DISABLE_UDEV");
linux_enumeration_method = ENUMERATION_FALLBACK;
} else if (access("/.flatpak-info", F_OK) == 0
|| access("/run/host/container-manager", F_OK) == 0) {
/* Explicitly check `/.flatpak-info` because, for old versions of
* Flatpak, this was the only available way to tell if we were in
* a Flatpak container. */
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT,
"Container detected, disabling HIDAPI udev integration");
linux_enumeration_method = ENUMERATION_FALLBACK;
} else {
SDL_LogDebug(SDL_LOG_CATEGORY_INPUT,
"Using udev for HIDAPI joystick device discovery");
linux_enumeration_method = ENUMERATION_LIBUDEV;
}
}
#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));
@@ -883,12 +1062,13 @@ HIDAPI_UpdateDeviceList(void)
}
}
/* Remove any devices that weren't seen */
/* Remove any devices that weren't seen or have been disconnected due to read errors */
device = SDL_HIDAPI_devices;
while (device) {
SDL_HIDAPI_Device *next = device->next;
if (!device->seen) {
if (!device->seen ||
(device->driver && device->num_joysticks == 0 && !device->dev)) {
HIDAPI_DelDevice(device);
}
device = next;
@@ -1239,6 +1419,13 @@ HIDAPI_JoystickQuit(void)
SDL_HIDAPI_QuitRumble();
#if defined(HAVE_INOTIFY)
if (inotify_fd >= 0) {
close(inotify_fd);
inotify_fd = -1;
}
#endif
while (SDL_HIDAPI_devices) {
HIDAPI_DelDevice(SDL_HIDAPI_devices);
}