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xinput1_3: Create a new background update thread. 

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-08-10 13:27:22 +02:00 committed by Alexandre Julliard
parent 7a571127e4
commit 40cb5510ae
1 changed files with 51 additions and 2 deletions
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53
dlls/xinput1_3/main.c
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@ -119,6 +119,8 @@ static struct xinput_controller controllers[XUSER_MAX_COUNT] =
};
static DWORD last_check = 0;
static HANDLE stop_event;
static HANDLE done_event;
static BOOL find_opened_device(SP_DEVICE_INTERFACE_DETAIL_DATA_W *detail, int *free_slot)
{
@ -294,8 +296,12 @@ failed:
return FALSE;
}
static BOOL WINAPI start_update_thread_once( INIT_ONCE *once, void *param, void **context );
static void HID_find_gamepads(void)
{
static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
char buffer[sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W) + MAX_PATH * sizeof(WCHAR)];
SP_DEVICE_INTERFACE_DETAIL_DATA_W *detail = (SP_DEVICE_INTERFACE_DETAIL_DATA_W *)buffer;
SP_DEVICE_INTERFACE_DATA iface = {sizeof(iface)};
@ -308,6 +314,8 @@ static void HID_find_gamepads(void)
GUID guid;
int i;
InitOnceExecuteOnce(&init_once, start_update_thread_once, NULL, NULL);
idx = GetTickCount();
if ((idx - last_check) < 2000) return;
@ -383,9 +391,16 @@ static void controller_destroy(struct xinput_controller *controller)
LeaveCriticalSection(&controller->crit);
}
static void HID_destroy_gamepads(void)
static void stop_update_thread(void)
{
int i;
SetEvent(stop_event);
WaitForSingleObject(done_event, INFINITE);
CloseHandle(stop_event);
CloseHandle(done_event);
for (i = 0; i < XUSER_MAX_COUNT; i++) controller_destroy(&controllers[i]);
}
@ -523,6 +538,40 @@ static void HID_update_state(struct xinput_controller *controller, XINPUT_STATE
memcpy(state, &controller->state, sizeof(*state));
}
static DWORD WINAPI hid_update_thread_proc(void *param)
{
HANDLE events[1];
DWORD count, ret;
do
{
count = 0;
events[count++] = stop_event;
}
while ((ret = WaitForMultipleObjectsEx( count, events, FALSE, INFINITE, TRUE )) < count - 1);
if (ret != count - 1) ERR("update thread exited unexpectedly, ret %u\n", ret);
SetEvent(done_event);
return ret;
}
static BOOL WINAPI start_update_thread_once( INIT_ONCE *once, void *param, void **context )
{
HANDLE thread;
stop_event = CreateEventA(NULL, FALSE, FALSE, NULL);
if (!stop_event) ERR("failed to create stop event, error %u\n", GetLastError());
done_event = CreateEventA(NULL, FALSE, FALSE, NULL);
if (!done_event) ERR("failed to create stop event, error %u\n", GetLastError());
thread = CreateThread(NULL, 0, hid_update_thread_proc, NULL, 0, NULL);
if (!thread) ERR("failed to create update thread, error %u\n", GetLastError());
CloseHandle(thread);
return TRUE;
}
static BOOL controller_lock(struct xinput_controller *controller)
{
if (!controller->device) return FALSE;
@ -552,7 +601,7 @@ BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, LPVOID reserved)
break;
case DLL_PROCESS_DETACH:
if (reserved) break;
HID_destroy_gamepads();
stop_update_thread();
break;
}
return TRUE;