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input: use static hid singleton for init and exit

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This commit is contained in:
Megamouse 2024-09-22 19:50:42 +02:00
parent 31b133b012
commit 18a99a7d8f
2 changed files with 61 additions and 20 deletions
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72
rpcs3/Input/hid_pad_handler.cpp
View File

@ -17,8 +17,58 @@
LOG_CHANNEL(hid_log, "HID");
static std::mutex s_hid_mutex; // hid_pad_handler is created by pad_thread and pad_settings_dialog
static u8 s_hid_instances{0};
struct hid_instance
{
public:
hid_instance() = default;
~hid_instance()
{
std::lock_guard lock(m_hid_mutex);
// Only exit HIDAPI once on exit. HIDAPI uses a global state internally...
if (m_initialized)
{
hid_log.notice("Exiting HIDAPI...");
if (hid_exit() != 0)
{
hid_log.error("hid_exit failed!");
}
}
}
static hid_instance& get_instance()
{
static hid_instance instance {};
return instance;
}
bool initialize()
{
std::lock_guard lock(m_hid_mutex);
// Only init HIDAPI once. HIDAPI uses a global state internally...
if (m_initialized)
{
return true;
}
hid_log.notice("Initializing HIDAPI ...");
if (hid_init() != 0)
{
hid_log.fatal("hid_init error");
return false;
}
m_initialized = true;
return true;
}
private:
bool m_initialized = false;
std::mutex m_hid_mutex;
};
void HidDevice::close()
{
@ -33,8 +83,6 @@ template <class Device>
hid_pad_handler<Device>::hid_pad_handler(pad_handler type, std::vector<id_pair> ids)
: PadHandlerBase(type), m_ids(std::move(ids))
{
std::scoped_lock lock(s_hid_mutex);
ensure(s_hid_instances++ < 255);
};
template <class Device>
@ -54,17 +102,6 @@ hid_pad_handler<Device>::~hid_pad_handler()
controller.second->close();
}
}
std::scoped_lock lock(s_hid_mutex);
ensure(s_hid_instances-- > 0);
if (s_hid_instances == 0)
{
// Call hid_exit after all hid_pad_handlers are finished
if (hid_exit() != 0)
{
hid_log.error("hid_exit failed!");
}
}
}
template <class Device>
@ -73,9 +110,8 @@ bool hid_pad_handler<Device>::Init()
if (m_is_init)
return true;
const int res = hid_init();
if (res != 0)
fmt::throw_exception("%s hidapi-init error.threadproc", m_type);
if (!hid_instance::get_instance().initialize())
return false;
#if defined(__APPLE__)
hid_darwin_set_open_exclusive(0);

9
rpcs3/Input/sdl_pad_handler.cpp
View File

@ -23,6 +23,12 @@ public:
}
}
static sdl_instance& get_instance()
{
static sdl_instance instance {};
return instance;
}
bool initialize()
{
// Only init SDL once. SDL uses a global state internally...
@ -256,8 +262,7 @@ bool sdl_pad_handler::Init()
if (m_is_init)
return true;
static sdl_instance s_sdl_instance {};
if (!s_sdl_instance.initialize())
if (!sdl_instance::get_instance().initialize())
return false;
if (g_cfg.io.load_sdl_mappings)