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https://github.com/Ryujinx/SDL.git
synced 2024-12-23 06:55:38 +00:00
Back out Steam virtual gamepad changes
We are planning a different approach to handle these
This commit is contained in:
parent
10c292b055
commit
f0e7f3e7e5
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@ -157,7 +157,6 @@ typedef struct SDL_joylist_item
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char *name; /* "SideWinder 3D Pro" or whatever */
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char *name; /* "SideWinder 3D Pro" or whatever */
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SDL_JoystickGUID guid;
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SDL_JoystickGUID guid;
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dev_t devnum;
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dev_t devnum;
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int steam_virtual_gamepad_slot;
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struct joystick_hwdata *hwdata;
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struct joystick_hwdata *hwdata;
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struct SDL_joylist_item *next;
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struct SDL_joylist_item *next;
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@ -221,19 +220,6 @@ static SDL_bool IsVirtualJoystick(Uint16 vendor, Uint16 product, Uint16 version,
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}
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}
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#endif /* SDL_JOYSTICK_HIDAPI */
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#endif /* SDL_JOYSTICK_HIDAPI */
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static SDL_bool GetVirtualGamepadSlot(const char *name, int *slot)
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{
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const char *digits = SDL_strstr(name, "pad ");
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if (digits) {
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digits += 4;
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if (SDL_isdigit(*digits)) {
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*slot = SDL_atoi(digits);
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return SDL_TRUE;
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}
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}
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return SDL_FALSE;
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}
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static int GuessDeviceClass(int fd)
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static int GuessDeviceClass(int fd)
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{
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{
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unsigned long evbit[NBITS(EV_MAX)] = { 0 };
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unsigned long evbit[NBITS(EV_MAX)] = { 0 };
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@ -269,7 +255,7 @@ static int GuessIsSensor(int fd)
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return 0;
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return 0;
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}
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}
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static int IsJoystick(const char *path, int fd, char **name_return, Uint16 *vendor_return, Uint16 *product_return, SDL_JoystickGUID *guid)
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static int IsJoystick(const char *path, int fd, char **name_return, SDL_JoystickGUID *guid)
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{
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{
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struct input_id inpid;
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struct input_id inpid;
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char *name;
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char *name;
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@ -322,8 +308,6 @@ static int IsJoystick(const char *path, int fd, char **name_return, Uint16 *vend
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return 0;
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return 0;
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}
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}
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*name_return = name;
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*name_return = name;
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*vendor_return = inpid.vendor;
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*product_return = inpid.product;
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return 1;
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return 1;
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}
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}
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@ -401,7 +385,6 @@ static void MaybeAddDevice(const char *path)
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struct stat sb;
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struct stat sb;
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int fd = -1;
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int fd = -1;
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char *name = NULL;
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char *name = NULL;
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Uint16 vendor, product;
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SDL_JoystickGUID guid;
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SDL_JoystickGUID guid;
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SDL_joylist_item *item;
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SDL_joylist_item *item;
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SDL_sensorlist_item *item_sensor;
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SDL_sensorlist_item *item_sensor;
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@ -437,7 +420,7 @@ static void MaybeAddDevice(const char *path)
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SDL_Log("Checking %s\n", path);
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SDL_Log("Checking %s\n", path);
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#endif
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#endif
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if (IsJoystick(path, fd, &name, &vendor, &product, &guid)) {
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if (IsJoystick(path, fd, &name, &guid)) {
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#ifdef DEBUG_INPUT_EVENTS
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#ifdef DEBUG_INPUT_EVENTS
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SDL_Log("found joystick: %s\n", path);
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SDL_Log("found joystick: %s\n", path);
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#endif
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#endif
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@ -449,16 +432,10 @@ static void MaybeAddDevice(const char *path)
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}
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}
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item->devnum = sb.st_rdev;
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item->devnum = sb.st_rdev;
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item->steam_virtual_gamepad_slot = -1;
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item->path = SDL_strdup(path);
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item->path = SDL_strdup(path);
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item->name = name;
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item->name = name;
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item->guid = guid;
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item->guid = guid;
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if (vendor == USB_VENDOR_VALVE &&
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product == USB_PRODUCT_STEAM_VIRTUAL_GAMEPAD) {
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GetVirtualGamepadSlot(item->name, &item->steam_virtual_gamepad_slot);
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}
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if ((!item->path) || (!item->name)) {
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if ((!item->path) || (!item->name)) {
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FreeJoylistItem(item);
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FreeJoylistItem(item);
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goto done;
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goto done;
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@ -851,91 +828,6 @@ static int sort_entries(const void *_a, const void *_b)
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return numA - numB;
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return numA - numB;
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}
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}
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typedef struct
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{
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char *path;
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int slot;
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} VirtualGamepadEntry;
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static int SDLCALL sort_virtual_gamepads(const void *_a, const void *_b)
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{
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const VirtualGamepadEntry *a = (const VirtualGamepadEntry *)_a;
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const VirtualGamepadEntry *b = (const VirtualGamepadEntry *)_b;
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return a->slot - b->slot;
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}
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static void LINUX_ScanSteamVirtualGamepads(void)
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{
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int i, count;
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int fd;
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struct dirent **entries = NULL;
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char path[PATH_MAX];
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char name[128];
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struct input_id inpid;
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int num_virtual_gamepads = 0;
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int virtual_gamepad_slot;
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VirtualGamepadEntry *virtual_gamepads = NULL;
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count = scandir("/dev/input", &entries, filter_entries, NULL);
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for (i = 0; i < count; ++i) {
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(void)SDL_snprintf(path, SDL_arraysize(path), "/dev/input/%s", entries[i]->d_name);
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fd = open(path, O_RDONLY | O_CLOEXEC, 0);
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if (fd >= 0) {
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if (ioctl(fd, EVIOCGID, &inpid) == 0 &&
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inpid.vendor == USB_VENDOR_VALVE &&
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inpid.product == USB_PRODUCT_STEAM_VIRTUAL_GAMEPAD &&
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ioctl(fd, EVIOCGNAME(sizeof(name)), name) > 0 &&
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GetVirtualGamepadSlot(name, &virtual_gamepad_slot)) {
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VirtualGamepadEntry *new_virtual_gamepads = (VirtualGamepadEntry *)SDL_realloc(virtual_gamepads, (num_virtual_gamepads + 1) * sizeof(*virtual_gamepads));
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if (new_virtual_gamepads) {
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VirtualGamepadEntry *entry = &new_virtual_gamepads[num_virtual_gamepads];
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entry->path = SDL_strdup(path);
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entry->slot = virtual_gamepad_slot;
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if (entry->path) {
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virtual_gamepads = new_virtual_gamepads;
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++num_virtual_gamepads;
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} else {
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SDL_free(entry->path);
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SDL_free(new_virtual_gamepads);
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}
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}
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}
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close(fd);
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}
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free(entries[i]); /* This should NOT be SDL_free() */
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}
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free(entries); /* This should NOT be SDL_free() */
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if (num_virtual_gamepads > 1) {
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SDL_qsort(virtual_gamepads, num_virtual_gamepads, sizeof(*virtual_gamepads), sort_virtual_gamepads);
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}
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for (i = 0; i < num_virtual_gamepads; ++i) {
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MaybeAddDevice(virtual_gamepads[i].path);
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SDL_free(virtual_gamepads[i].path);
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}
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SDL_free(virtual_gamepads);
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}
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static void LINUX_ScanInputDevices(void)
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{
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int i, count;
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struct dirent **entries = NULL;
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char path[PATH_MAX];
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count = scandir("/dev/input", &entries, filter_entries, NULL);
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if (count > 1) {
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SDL_qsort(entries, count, sizeof(*entries), sort_entries);
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}
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for (i = 0; i < count; ++i) {
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(void)SDL_snprintf(path, SDL_arraysize(path), "/dev/input/%s", entries[i]->d_name);
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MaybeAddDevice(path);
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free(entries[i]); /* This should NOT be SDL_free() */
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}
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free(entries); /* This should NOT be SDL_free() */
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}
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static void LINUX_FallbackJoystickDetect(void)
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static void LINUX_FallbackJoystickDetect(void)
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{
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{
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const Uint32 SDL_JOY_DETECT_INTERVAL_MS = 3000; /* Update every 3 seconds */
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const Uint32 SDL_JOY_DETECT_INTERVAL_MS = 3000; /* Update every 3 seconds */
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@ -946,10 +838,21 @@ static void LINUX_FallbackJoystickDetect(void)
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/* Opening input devices can generate synchronous device I/O, so avoid it if we can */
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/* Opening input devices can generate synchronous device I/O, so avoid it if we can */
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if (stat("/dev/input", &sb) == 0 && sb.st_mtime != last_input_dir_mtime) {
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if (stat("/dev/input", &sb) == 0 && sb.st_mtime != last_input_dir_mtime) {
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/* Look for Steam virtual gamepads first, and sort by Steam controller slot */
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int i, count;
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LINUX_ScanSteamVirtualGamepads();
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struct dirent **entries = NULL;
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char path[PATH_MAX];
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LINUX_ScanInputDevices();
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count = scandir("/dev/input", &entries, filter_entries, NULL);
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if (count > 1) {
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qsort(entries, count, sizeof(*entries), sort_entries);
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}
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for (i = 0; i < count; ++i) {
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(void)SDL_snprintf(path, SDL_arraysize(path), "/dev/input/%s", entries[i]->d_name);
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MaybeAddDevice(path);
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free(entries[i]); /* This should NOT be SDL_free() */
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}
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free(entries); /* This should NOT be SDL_free() */
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last_input_dir_mtime = sb.st_mtime;
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last_input_dir_mtime = sb.st_mtime;
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}
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}
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@ -1114,7 +1017,7 @@ static const char *LINUX_JoystickGetDevicePath(int device_index)
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static int LINUX_JoystickGetDevicePlayerIndex(int device_index)
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static int LINUX_JoystickGetDevicePlayerIndex(int device_index)
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{
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{
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return JoystickByDevIndex(device_index)->steam_virtual_gamepad_slot;
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return -1;
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}
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}
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static void LINUX_JoystickSetDevicePlayerIndex(int device_index, int player_index)
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static void LINUX_JoystickSetDevicePlayerIndex(int device_index, int player_index)
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