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-rw-r--r--3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick.c847
-rw-r--r--3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick_c.h57
2 files changed, 0 insertions, 904 deletions
diff --git a/3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick.c b/3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick.c
deleted file mode 100644
index bd52b18080b..00000000000
--- a/3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick.c
+++ /dev/null
@@ -1,847 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 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
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#ifdef SDL_JOYSTICK_LINUX
-
-#ifndef SDL_INPUT_LINUXEV
-#error SDL now requires a Linux 2.4+ kernel with /dev/input/event support.
-#endif
-
-/* This is the Linux implementation of the SDL joystick API */
-
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <limits.h> /* For the definition of PATH_MAX */
-#include <linux/joystick.h>
-
-#include "SDL_assert.h"
-#include "SDL_joystick.h"
-#include "SDL_endian.h"
-#include "../SDL_sysjoystick.h"
-#include "../SDL_joystick_c.h"
-#include "SDL_sysjoystick_c.h"
-
-/* This isn't defined in older Linux kernel headers */
-#ifndef SYN_DROPPED
-#define SYN_DROPPED 3
-#endif
-
-#include "../../core/linux/SDL_udev.h"
-
-static int MaybeAddDevice(const char *path);
-#if SDL_USE_LIBUDEV
-static int MaybeRemoveDevice(const char *path);
-void joystick_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath);
-#endif /* SDL_USE_LIBUDEV */
-
-
-/* A linked list of available joysticks */
-typedef struct SDL_joylist_item
-{
- int device_instance;
- char *path; /* "/dev/input/event2" or whatever */
- char *name; /* "SideWinder 3D Pro" or whatever */
- SDL_JoystickGUID guid;
- dev_t devnum;
- struct joystick_hwdata *hwdata;
- struct SDL_joylist_item *next;
-} SDL_joylist_item;
-
-static SDL_joylist_item *SDL_joylist = NULL;
-static SDL_joylist_item *SDL_joylist_tail = NULL;
-static int numjoysticks = 0;
-static int instance_counter = 0;
-
-#define test_bit(nr, addr) \
- (((1UL << ((nr) % (sizeof(long) * 8))) & ((addr)[(nr) / (sizeof(long) * 8)])) != 0)
-#define NBITS(x) ((((x)-1)/(sizeof(long) * 8))+1)
-
-static int
-IsJoystick(int fd, char *namebuf, const size_t namebuflen, SDL_JoystickGUID *guid)
-{
- struct input_id inpid;
- Uint16 *guid16 = (Uint16 *) ((char *) &guid->data);
-
-#if !SDL_USE_LIBUDEV
- /* When udev is enabled we only get joystick devices here, so there's no need to test them */
- unsigned long evbit[NBITS(EV_MAX)] = { 0 };
- unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
- unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
-
- if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
- (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
- (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) < 0)) {
- return (0);
- }
-
- if (!(test_bit(EV_KEY, evbit) && test_bit(EV_ABS, evbit) &&
- test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit))) {
- return 0;
- }
-#endif
-
- if (ioctl(fd, EVIOCGNAME(namebuflen), namebuf) < 0) {
- return 0;
- }
-
- if (ioctl(fd, EVIOCGID, &inpid) < 0) {
- return 0;
- }
-
-#ifdef DEBUG_JOYSTICK
- printf("Joystick: %s, bustype = %d, vendor = 0x%x, product = 0x%x, version = %d\n", namebuf, inpid.bustype, inpid.vendor, inpid.product, inpid.version);
-#endif
-
- SDL_memset(guid->data, 0, sizeof(guid->data));
-
- /* We only need 16 bits for each of these; space them out to fill 128. */
- /* Byteswap so devices get same GUID on little/big endian platforms. */
- *(guid16++) = SDL_SwapLE16(inpid.bustype);
- *(guid16++) = 0;
-
- if (inpid.vendor && inpid.product && inpid.version) {
- *(guid16++) = SDL_SwapLE16(inpid.vendor);
- *(guid16++) = 0;
- *(guid16++) = SDL_SwapLE16(inpid.product);
- *(guid16++) = 0;
- *(guid16++) = SDL_SwapLE16(inpid.version);
- *(guid16++) = 0;
- } else {
- SDL_strlcpy((char*)guid16, namebuf, sizeof(guid->data) - 4);
- }
-
- return 1;
-}
-
-#if SDL_USE_LIBUDEV
-void joystick_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath)
-{
- if (devpath == NULL) {
- return;
- }
-
- switch (udev_type) {
- case SDL_UDEV_DEVICEADDED:
- if (!(udev_class & SDL_UDEV_DEVICE_JOYSTICK)) {
- return;
- }
- MaybeAddDevice(devpath);
- break;
-
- case SDL_UDEV_DEVICEREMOVED:
- MaybeRemoveDevice(devpath);
- break;
-
- default:
- break;
- }
-
-}
-#endif /* SDL_USE_LIBUDEV */
-
-
-/* !!! FIXME: I would love to dump this code and use libudev instead. */
-static int
-MaybeAddDevice(const char *path)
-{
- struct stat sb;
- int fd = -1;
- int isstick = 0;
- char namebuf[128];
- SDL_JoystickGUID guid;
- SDL_joylist_item *item;
-
- if (path == NULL) {
- return -1;
- }
-
- if (stat(path, &sb) == -1) {
- return -1;
- }
-
- /* Check to make sure it's not already in list. */
- for (item = SDL_joylist; item != NULL; item = item->next) {
- if (sb.st_rdev == item->devnum) {
- return -1; /* already have this one */
- }
- }
-
- fd = open(path, O_RDONLY, 0);
- if (fd < 0) {
- return -1;
- }
-
-#ifdef DEBUG_INPUT_EVENTS
- printf("Checking %s\n", path);
-#endif
-
- isstick = IsJoystick(fd, namebuf, sizeof (namebuf), &guid);
- close(fd);
- if (!isstick) {
- return -1;
- }
-
- item = (SDL_joylist_item *) SDL_malloc(sizeof (SDL_joylist_item));
- if (item == NULL) {
- return -1;
- }
-
- SDL_zerop(item);
- item->devnum = sb.st_rdev;
- item->path = SDL_strdup(path);
- item->name = SDL_strdup(namebuf);
- item->guid = guid;
-
- if ( (item->path == NULL) || (item->name == NULL) ) {
- SDL_free(item->path);
- SDL_free(item->name);
- SDL_free(item);
- return -1;
- }
-
- item->device_instance = instance_counter++;
- if (SDL_joylist_tail == NULL) {
- SDL_joylist = SDL_joylist_tail = item;
- } else {
- SDL_joylist_tail->next = item;
- SDL_joylist_tail = item;
- }
-
- /* Need to increment the joystick count before we post the event */
- ++numjoysticks;
-
- SDL_PrivateJoystickAdded(numjoysticks - 1);
-
- return numjoysticks;
-}
-
-#if SDL_USE_LIBUDEV
-/* !!! FIXME: I would love to dump this code and use libudev instead. */
-static int
-MaybeRemoveDevice(const char *path)
-{
- SDL_joylist_item *item;
- SDL_joylist_item *prev = NULL;
-
- if (path == NULL) {
- return -1;
- }
-
- for (item = SDL_joylist; item != NULL; item = item->next) {
- /* found it, remove it. */
- if (SDL_strcmp(path, item->path) == 0) {
- const int retval = item->device_instance;
- if (item->hwdata) {
- item->hwdata->item = NULL;
- }
- if (prev != NULL) {
- prev->next = item->next;
- } else {
- SDL_assert(SDL_joylist == item);
- SDL_joylist = item->next;
- }
- if (item == SDL_joylist_tail) {
- SDL_joylist_tail = prev;
- }
-
- /* Need to decrement the joystick count before we post the event */
- --numjoysticks;
-
- SDL_PrivateJoystickRemoved(item->device_instance);
-
- SDL_free(item->path);
- SDL_free(item->name);
- SDL_free(item);
- return retval;
- }
- prev = item;
- }
-
- return -1;
-}
-#endif
-
-static int
-JoystickInitWithoutUdev(void)
-{
- int i;
- char path[PATH_MAX];
-
- /* !!! FIXME: only finds sticks if they're called /dev/input/event[0..31] */
- /* !!! FIXME: we could at least readdir() through /dev/input...? */
- /* !!! FIXME: (or delete this and rely on libudev?) */
- for (i = 0; i < 32; i++) {
- SDL_snprintf(path, SDL_arraysize(path), "/dev/input/event%d", i);
- MaybeAddDevice(path);
- }
-
- return numjoysticks;
-}
-
-
-#if SDL_USE_LIBUDEV
-static int
-JoystickInitWithUdev(void)
-{
- if (SDL_UDEV_Init() < 0) {
- return SDL_SetError("Could not initialize UDEV");
- }
-
- /* Set up the udev callback */
- if (SDL_UDEV_AddCallback(joystick_udev_callback) < 0) {
- SDL_UDEV_Quit();
- return SDL_SetError("Could not set up joystick <-> udev callback");
- }
-
- /* Force a scan to build the initial device list */
- SDL_UDEV_Scan();
-
- return numjoysticks;
-}
-#endif
-
-int
-SDL_SYS_JoystickInit(void)
-{
- /* First see if the user specified one or more joysticks to use */
- if (SDL_getenv("SDL_JOYSTICK_DEVICE") != NULL) {
- char *envcopy, *envpath, *delim;
- envcopy = SDL_strdup(SDL_getenv("SDL_JOYSTICK_DEVICE"));
- envpath = envcopy;
- while (envpath != NULL) {
- delim = SDL_strchr(envpath, ':');
- if (delim != NULL) {
- *delim++ = '\0';
- }
- MaybeAddDevice(envpath);
- envpath = delim;
- }
- SDL_free(envcopy);
- }
-
-#if SDL_USE_LIBUDEV
- return JoystickInitWithUdev();
-#endif
-
- return JoystickInitWithoutUdev();
-}
-
-int SDL_SYS_NumJoysticks()
-{
- return numjoysticks;
-}
-
-void SDL_SYS_JoystickDetect()
-{
-#if SDL_USE_LIBUDEV
- SDL_UDEV_Poll();
-#endif
-
-}
-
-static SDL_joylist_item *
-JoystickByDevIndex(int device_index)
-{
- SDL_joylist_item *item = SDL_joylist;
-
- if ((device_index < 0) || (device_index >= numjoysticks)) {
- return NULL;
- }
-
- while (device_index > 0) {
- SDL_assert(item != NULL);
- device_index--;
- item = item->next;
- }
-
- return item;
-}
-
-/* Function to get the device-dependent name of a joystick */
-const char *
-SDL_SYS_JoystickNameForDeviceIndex(int device_index)
-{
- return JoystickByDevIndex(device_index)->name;
-}
-
-/* Function to perform the mapping from device index to the instance id for this index */
-SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index)
-{
- return JoystickByDevIndex(device_index)->device_instance;
-}
-
-static int
-allocate_hatdata(SDL_Joystick * joystick)
-{
- int i;
-
- joystick->hwdata->hats =
- (struct hwdata_hat *) SDL_malloc(joystick->nhats *
- sizeof(struct hwdata_hat));
- if (joystick->hwdata->hats == NULL) {
- return (-1);
- }
- for (i = 0; i < joystick->nhats; ++i) {
- joystick->hwdata->hats[i].axis[0] = 1;
- joystick->hwdata->hats[i].axis[1] = 1;
- }
- return (0);
-}
-
-static int
-allocate_balldata(SDL_Joystick * joystick)
-{
- int i;
-
- joystick->hwdata->balls =
- (struct hwdata_ball *) SDL_malloc(joystick->nballs *
- sizeof(struct hwdata_ball));
- if (joystick->hwdata->balls == NULL) {
- return (-1);
- }
- for (i = 0; i < joystick->nballs; ++i) {
- joystick->hwdata->balls[i].axis[0] = 0;
- joystick->hwdata->balls[i].axis[1] = 0;
- }
- return (0);
-}
-
-static void
-ConfigJoystick(SDL_Joystick * joystick, int fd)
-{
- int i, t;
- unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
- unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
- unsigned long relbit[NBITS(REL_MAX)] = { 0 };
-
- /* See if this device uses the new unified event API */
- if ((ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) >= 0) &&
- (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbit)), absbit) >= 0) &&
- (ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relbit)), relbit) >= 0)) {
-
- /* Get the number of buttons, axes, and other thingamajigs */
- for (i = BTN_JOYSTICK; i < KEY_MAX; ++i) {
- if (test_bit(i, keybit)) {
-#ifdef DEBUG_INPUT_EVENTS
- printf("Joystick has button: 0x%x\n", i);
-#endif
- joystick->hwdata->key_map[i - BTN_MISC] = joystick->nbuttons;
- ++joystick->nbuttons;
- }
- }
- for (i = BTN_MISC; i < BTN_JOYSTICK; ++i) {
- if (test_bit(i, keybit)) {
-#ifdef DEBUG_INPUT_EVENTS
- printf("Joystick has button: 0x%x\n", i);
-#endif
- joystick->hwdata->key_map[i - BTN_MISC] = joystick->nbuttons;
- ++joystick->nbuttons;
- }
- }
- for (i = 0; i < ABS_MAX; ++i) {
- /* Skip hats */
- if (i == ABS_HAT0X) {
- i = ABS_HAT3Y;
- continue;
- }
- if (test_bit(i, absbit)) {
- struct input_absinfo absinfo;
-
- if (ioctl(fd, EVIOCGABS(i), &absinfo) < 0) {
- continue;
- }
-#ifdef DEBUG_INPUT_EVENTS
- printf("Joystick has absolute axis: 0x%.2x\n", i);
- printf("Values = { %d, %d, %d, %d, %d }\n",
- absinfo.value, absinfo.minimum, absinfo.maximum,
- absinfo.fuzz, absinfo.flat);
-#endif /* DEBUG_INPUT_EVENTS */
- joystick->hwdata->abs_map[i] = joystick->naxes;
- if (absinfo.minimum == absinfo.maximum) {
- joystick->hwdata->abs_correct[i].used = 0;
- } else {
- joystick->hwdata->abs_correct[i].used = 1;
- joystick->hwdata->abs_correct[i].coef[0] =
- (absinfo.maximum + absinfo.minimum) - 2 * absinfo.flat;
- joystick->hwdata->abs_correct[i].coef[1] =
- (absinfo.maximum + absinfo.minimum) + 2 * absinfo.flat;
- t = ((absinfo.maximum - absinfo.minimum) - 4 * absinfo.flat);
- if (t != 0) {
- joystick->hwdata->abs_correct[i].coef[2] =
- (1 << 28) / t;
- } else {
- joystick->hwdata->abs_correct[i].coef[2] = 0;
- }
- }
- ++joystick->naxes;
- }
- }
- for (i = ABS_HAT0X; i <= ABS_HAT3Y; i += 2) {
- if (test_bit(i, absbit) || test_bit(i + 1, absbit)) {
- struct input_absinfo absinfo;
-
- if (ioctl(fd, EVIOCGABS(i), &absinfo) < 0) {
- continue;
- }
-#ifdef DEBUG_INPUT_EVENTS
- printf("Joystick has hat %d\n", (i - ABS_HAT0X) / 2);
- printf("Values = { %d, %d, %d, %d, %d }\n",
- absinfo.value, absinfo.minimum, absinfo.maximum,
- absinfo.fuzz, absinfo.flat);
-#endif /* DEBUG_INPUT_EVENTS */
- ++joystick->nhats;
- }
- }
- if (test_bit(REL_X, relbit) || test_bit(REL_Y, relbit)) {
- ++joystick->nballs;
- }
-
- /* Allocate data to keep track of these thingamajigs */
- if (joystick->nhats > 0) {
- if (allocate_hatdata(joystick) < 0) {
- joystick->nhats = 0;
- }
- }
- if (joystick->nballs > 0) {
- if (allocate_balldata(joystick) < 0) {
- joystick->nballs = 0;
- }
- }
- }
-}
-
-
-/* Function to open a joystick for use.
- The joystick to open is specified by the device index.
- This should fill the nbuttons and naxes fields of the joystick structure.
- It returns 0, or -1 if there is an error.
- */
-int
-SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index)
-{
- SDL_joylist_item *item = JoystickByDevIndex(device_index);
- char *fname = NULL;
- int fd = -1;
-
- if (item == NULL) {
- return SDL_SetError("No such device");
- }
-
- fname = item->path;
- fd = open(fname, O_RDONLY, 0);
- if (fd < 0) {
- return SDL_SetError("Unable to open %s", fname);
- }
-
- joystick->instance_id = item->device_instance;
- joystick->hwdata = (struct joystick_hwdata *)
- SDL_malloc(sizeof(*joystick->hwdata));
- if (joystick->hwdata == NULL) {
- close(fd);
- return SDL_OutOfMemory();
- }
- SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
- joystick->hwdata->item = item;
- joystick->hwdata->guid = item->guid;
- joystick->hwdata->fd = fd;
- joystick->hwdata->fname = SDL_strdup(item->path);
- if (joystick->hwdata->fname == NULL) {
- SDL_free(joystick->hwdata);
- joystick->hwdata = NULL;
- close(fd);
- return SDL_OutOfMemory();
- }
-
- SDL_assert(item->hwdata == NULL);
- item->hwdata = joystick->hwdata;
-
- /* Set the joystick to non-blocking read mode */
- fcntl(fd, F_SETFL, O_NONBLOCK);
-
- /* Get the number of buttons and axes on the joystick */
- ConfigJoystick(joystick, fd);
-
- /* mark joystick as fresh and ready */
- joystick->hwdata->fresh = 1;
-
- return (0);
-}
-
-/* Function to determine if this joystick is attached to the system right now */
-SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick *joystick)
-{
- return joystick->hwdata->item != NULL;
-}
-
-static SDL_INLINE void
-HandleHat(SDL_Joystick * stick, Uint8 hat, int axis, int value)
-{
- struct hwdata_hat *the_hat;
- const Uint8 position_map[3][3] = {
- {SDL_HAT_LEFTUP, SDL_HAT_UP, SDL_HAT_RIGHTUP},
- {SDL_HAT_LEFT, SDL_HAT_CENTERED, SDL_HAT_RIGHT},
- {SDL_HAT_LEFTDOWN, SDL_HAT_DOWN, SDL_HAT_RIGHTDOWN}
- };
-
- the_hat = &stick->hwdata->hats[hat];
- if (value < 0) {
- value = 0;
- } else if (value == 0) {
- value = 1;
- } else if (value > 0) {
- value = 2;
- }
- if (value != the_hat->axis[axis]) {
- the_hat->axis[axis] = value;
- SDL_PrivateJoystickHat(stick, hat,
- position_map[the_hat->
- axis[1]][the_hat->axis[0]]);
- }
-}
-
-static SDL_INLINE void
-HandleBall(SDL_Joystick * stick, Uint8 ball, int axis, int value)
-{
- stick->hwdata->balls[ball].axis[axis] += value;
-}
-
-
-static SDL_INLINE int
-AxisCorrect(SDL_Joystick * joystick, int which, int value)
-{
- struct axis_correct *correct;
-
- correct = &joystick->hwdata->abs_correct[which];
- if (correct->used) {
- value *= 2;
- if (value > correct->coef[0]) {
- if (value < correct->coef[1]) {
- return 0;
- }
- value -= correct->coef[1];
- } else {
- value -= correct->coef[0];
- }
- value *= correct->coef[2];
- value >>= 13;
- }
-
- /* Clamp and return */
- if (value < -32768)
- return -32768;
- if (value > 32767)
- return 32767;
-
- return value;
-}
-
-static SDL_INLINE void
-PollAllValues(SDL_Joystick * joystick)
-{
- struct input_absinfo absinfo;
- int a, b = 0;
-
- /* Poll all axis */
- for (a = ABS_X; b < ABS_MAX; a++) {
- switch (a) {
- case ABS_HAT0X:
- case ABS_HAT0Y:
- case ABS_HAT1X:
- case ABS_HAT1Y:
- case ABS_HAT2X:
- case ABS_HAT2Y:
- case ABS_HAT3X:
- case ABS_HAT3Y:
- /* ingore hats */
- break;
- default:
- if (joystick->hwdata->abs_correct[b].used) {
- if (ioctl(joystick->hwdata->fd, EVIOCGABS(a), &absinfo) >= 0) {
- absinfo.value = AxisCorrect(joystick, b, absinfo.value);
-
-#ifdef DEBUG_INPUT_EVENTS
- printf("Joystick : Re-read Axis %d (%d) val= %d\n",
- joystick->hwdata->abs_map[b], a, absinfo.value);
-#endif
- SDL_PrivateJoystickAxis(joystick,
- joystick->hwdata->abs_map[b],
- absinfo.value);
- }
- }
- b++;
- }
- }
-}
-
-static SDL_INLINE void
-HandleInputEvents(SDL_Joystick * joystick)
-{
- struct input_event events[32];
- int i, len;
- int code;
-
- if (joystick->hwdata->fresh) {
- PollAllValues(joystick);
- joystick->hwdata->fresh = 0;
- }
-
- while ((len = read(joystick->hwdata->fd, events, (sizeof events))) > 0) {
- len /= sizeof(events[0]);
- for (i = 0; i < len; ++i) {
- code = events[i].code;
- switch (events[i].type) {
- case EV_KEY:
- if (code >= BTN_MISC) {
- code -= BTN_MISC;
- SDL_PrivateJoystickButton(joystick,
- joystick->hwdata->key_map[code],
- events[i].value);
- }
- break;
- case EV_ABS:
- switch (code) {
- case ABS_HAT0X:
- case ABS_HAT0Y:
- case ABS_HAT1X:
- case ABS_HAT1Y:
- case ABS_HAT2X:
- case ABS_HAT2Y:
- case ABS_HAT3X:
- case ABS_HAT3Y:
- code -= ABS_HAT0X;
- HandleHat(joystick, code / 2, code % 2, events[i].value);
- break;
- default:
- events[i].value =
- AxisCorrect(joystick, code, events[i].value);
- SDL_PrivateJoystickAxis(joystick,
- joystick->hwdata->abs_map[code],
- events[i].value);
- break;
- }
- break;
- case EV_REL:
- switch (code) {
- case REL_X:
- case REL_Y:
- code -= REL_X;
- HandleBall(joystick, code / 2, code % 2, events[i].value);
- break;
- default:
- break;
- }
- break;
- case EV_SYN:
- switch (code) {
- case SYN_DROPPED :
-#ifdef DEBUG_INPUT_EVENTS
- printf("Event SYN_DROPPED detected\n");
-#endif
- PollAllValues(joystick);
- break;
- default:
- break;
- }
- default:
- break;
- }
- }
- }
-}
-
-void
-SDL_SYS_JoystickUpdate(SDL_Joystick * joystick)
-{
- int i;
-
- HandleInputEvents(joystick);
-
- /* Deliver ball motion updates */
- for (i = 0; i < joystick->nballs; ++i) {
- int xrel, yrel;
-
- xrel = joystick->hwdata->balls[i].axis[0];
- yrel = joystick->hwdata->balls[i].axis[1];
- if (xrel || yrel) {
- joystick->hwdata->balls[i].axis[0] = 0;
- joystick->hwdata->balls[i].axis[1] = 0;
- SDL_PrivateJoystickBall(joystick, (Uint8) i, xrel, yrel);
- }
- }
-}
-
-/* Function to close a joystick after use */
-void
-SDL_SYS_JoystickClose(SDL_Joystick * joystick)
-{
- if (joystick->hwdata) {
- close(joystick->hwdata->fd);
- if (joystick->hwdata->item) {
- joystick->hwdata->item->hwdata = NULL;
- }
- SDL_free(joystick->hwdata->hats);
- SDL_free(joystick->hwdata->balls);
- SDL_free(joystick->hwdata->fname);
- SDL_free(joystick->hwdata);
- }
-}
-
-/* Function to perform any system-specific joystick related cleanup */
-void
-SDL_SYS_JoystickQuit(void)
-{
- SDL_joylist_item *item = NULL;
- SDL_joylist_item *next = NULL;
-
- for (item = SDL_joylist; item; item = next) {
- next = item->next;
- SDL_free(item->path);
- SDL_free(item->name);
- SDL_free(item);
- }
-
- SDL_joylist = SDL_joylist_tail = NULL;
-
- numjoysticks = 0;
- instance_counter = 0;
-
-#if SDL_USE_LIBUDEV
- SDL_UDEV_DelCallback(joystick_udev_callback);
- SDL_UDEV_Quit();
-#endif
-}
-
-SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID( int device_index )
-{
- return JoystickByDevIndex(device_index)->guid;
-}
-
-SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick)
-{
- return joystick->hwdata->guid;
-}
-
-#endif /* SDL_JOYSTICK_LINUX */
-
-/* vi: set ts=4 sw=4 expandtab: */
diff --git a/3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick_c.h b/3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick_c.h
deleted file mode 100644
index ee771783993..00000000000
--- a/3rdparty/SDL2/src/joystick/linux/SDL_sysjoystick_c.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 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
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include <linux/input.h>
-
-struct SDL_joylist_item;
-
-/* The private structure used to keep track of a joystick */
-struct joystick_hwdata
-{
- int fd;
- struct SDL_joylist_item *item;
- SDL_JoystickGUID guid;
- char *fname; /* Used in haptic subsystem */
-
- /* The current Linux joystick driver maps hats to two axes */
- struct hwdata_hat
- {
- int axis[2];
- } *hats;
- /* The current Linux joystick driver maps balls to two axes */
- struct hwdata_ball
- {
- int axis[2];
- } *balls;
-
- /* Support for the Linux 2.4 unified input interface */
- Uint8 key_map[KEY_MAX - BTN_MISC];
- Uint8 abs_map[ABS_MAX];
- struct axis_correct
- {
- int used;
- int coef[3];
- } abs_correct[ABS_MAX];
-
- int fresh;
-};
-
-/* vi: set ts=4 sw=4 expandtab: */