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-rw-r--r--dinput/dinput.cpp80
-rw-r--r--dinput/dinput.hpp54
-rw-r--r--dinput/keybinding-worker.cpp2
-rw-r--r--dinput/keybinding-worker.hpp2
-rw-r--r--dinput/win32-joystick.cpp2
-rw-r--r--dinput/win32-joystick.hpp4
6 files changed, 59 insertions, 85 deletions
diff --git a/dinput/dinput.cpp b/dinput/dinput.cpp
index 226d3277..c3509dd6 100644
--- a/dinput/dinput.cpp
+++ b/dinput/dinput.cpp
@@ -1,88 +1,64 @@
#include "dinput.hpp"
#include <QDebug>
-std::atomic<int> dinput_handle::refcnt;
-std::atomic_flag dinput_handle::init_lock = ATOMIC_FLAG_INIT;
+std::atomic<int> di_t::refcnt;
+std::atomic_flag di_t::init_lock = ATOMIC_FLAG_INIT;
+diptr di_t::handle;
-LPDIRECTINPUT8& dinput_handle::init_di()
+diptr di_t::init_di_()
{
CoInitialize(nullptr);
- static LPDIRECTINPUT8 di_ = nullptr;
- if (di_ == nullptr)
+ diptr di = nullptr;
+ if (HRESULT hr = DirectInput8Create(GetModuleHandle(nullptr),
+ DIRECTINPUT_VERSION,
+ IID_IDirectInput8,
+ (void**)&di,
+ nullptr);
+ !SUCCEEDED(hr))
{
- if (!SUCCEEDED(DirectInput8Create(GetModuleHandle(NULL), DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&di_, NULL)))
- {
- di_ = nullptr;
- }
+ qDebug() << "can't make dinput:" << (void*)hr;
+ qDebug() << "crashing!";
+ std::abort();
}
- return di_;
-}
-
-dinput_handle::di_t dinput_handle::make_di()
-{
- while (init_lock.test_and_set()) { /* busy loop */ }
-
- LPDIRECTINPUT8& ret = init_di();
- init_lock.clear();
-
- return di_t(ret);
+ return di;
}
-void dinput_handle::di_t::free_di()
+di_t::di_t()
{
- if (handle && *handle)
- {
- (*handle)->Release();
- *handle = nullptr;
- }
- handle = nullptr;
-}
-
-void dinput_handle::di_t::ref_di()
-{
- //const int refcnt_ = refcnt.fetch_add(1) + 1;
- (void) refcnt.fetch_add(1);
+ ref_di();
}
-dinput_handle::di_t& dinput_handle::di_t::operator=(const di_t& new_di)
+void di_t::ref_di()
{
- if (handle)
- unref_di();
+ while (init_lock.test_and_set()) { /* busy loop */ }
- handle = new_di.handle;
+ if (!handle)
+ handle = init_di_();
- if (handle)
- ref_di();
+ ++refcnt;
- return *this;
+ init_lock.clear();
}
-void dinput_handle::di_t::unref_di()
+void di_t::unref_di()
{
- const int refcnt_ = refcnt.fetch_sub(1) - 1;
+ const int refcnt_ = --refcnt;
if (refcnt_ == 0)
{
while (init_lock.test_and_set()) { /* busy loop */ }
qDebug() << "exit: di handle";
- free_di();
+ handle->Release();
init_lock.clear();
}
}
-dinput_handle::di_t::di_t(LPDIRECTINPUT8& handle) : handle(&handle)
+di_t::~di_t()
{
- ref_di();
+ unref_di();
}
-dinput_handle::di_t::di_t() : handle(nullptr) {}
-
-dinput_handle::di_t::~di_t()
-{
- if (handle)
- unref_di();
-}
diff --git a/dinput/dinput.hpp b/dinput/dinput.hpp
index fc73a90a..4806a992 100644
--- a/dinput/dinput.hpp
+++ b/dinput/dinput.hpp
@@ -10,42 +10,42 @@
#include "export.hpp"
+#include <atomic>
+
#undef DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION 0x800
+
#include <dinput.h>
-#include <atomic>
-class OTR_DINPUT_EXPORT dinput_handle final
+using diptr = IDirectInput8A*;
+
+class OTR_DINPUT_EXPORT di_t final
{
-public:
- class di_t;
+ static void unref_di();
+ static void ref_di();
-private:
+ static diptr handle;
static std::atomic<int> refcnt;
static std::atomic_flag init_lock;
+ static diptr init_di_();
- static LPDIRECTINPUT8& init_di();
public:
- class di_t final
+ di_t();
+ ~di_t();
+ di_t(const di_t&) : di_t() {}
+ di_t& operator=(const di_t&) { return *this; }
+
+ diptr operator->() const { return handle; }
+ operator bool() { return handle; }
+
+ // for debugging bad usages
+ template<typename t = void>
+ operator void*() const
{
- friend class dinput_handle;
-
- LPDIRECTINPUT8* handle;
-
- di_t(LPDIRECTINPUT8& handle);
- void free_di();
- void unref_di();
- void ref_di();
-
- public:
- LPDIRECTINPUT8 operator->() { return *handle; }
- operator LPDIRECTINPUT8() { return *handle; }
- LPDIRECTINPUT8 di() { return *handle; }
- di_t& operator=(const di_t& new_di);
- di_t();
- ~di_t();
- };
-
- static di_t make_di();
- dinput_handle() = delete;
+ static_assert(sizeof(t) == -1);
+ static_assert(sizeof(t) == 0);
+
+ return nullptr;
+ }
};
+
diff --git a/dinput/keybinding-worker.cpp b/dinput/keybinding-worker.cpp
index 0bdc18cd..c7547107 100644
--- a/dinput/keybinding-worker.cpp
+++ b/dinput/keybinding-worker.cpp
@@ -93,7 +93,7 @@ bool KeybindingWorker::init()
return true;
}
-KeybindingWorker::KeybindingWorker() : dinkeyboard(nullptr), din(dinput_handle::make_di())
+KeybindingWorker::KeybindingWorker()
{
if (init())
start(QThread::HighPriority);
diff --git a/dinput/keybinding-worker.hpp b/dinput/keybinding-worker.hpp
index 7481bcea..6b7d6882 100644
--- a/dinput/keybinding-worker.hpp
+++ b/dinput/keybinding-worker.hpp
@@ -47,7 +47,7 @@ private:
std::vector<std::unique_ptr<fun>> receivers;
QMutex mtx;
QMainWindow fake_main_window;
- dinput_handle::di_t din;
+ di_t din;
bool keystate[256] {};
bool old_keystate[256] {};
diff --git a/dinput/win32-joystick.cpp b/dinput/win32-joystick.cpp
index ed5bd214..a8a3f388 100644
--- a/dinput/win32-joystick.cpp
+++ b/dinput/win32-joystick.cpp
@@ -246,7 +246,7 @@ bool win32_joy_ctx::joy::poll(fn const& f)
return true;
}
-win32_joy_ctx::enum_state::enum_state() : di(dinput_handle::make_di())
+win32_joy_ctx::enum_state::enum_state()
{
}
diff --git a/dinput/win32-joystick.hpp b/dinput/win32-joystick.hpp
index f42bd450..a6a4edc9 100644
--- a/dinput/win32-joystick.hpp
+++ b/dinput/win32-joystick.hpp
@@ -76,8 +76,6 @@ struct OTR_DINPUT_EXPORT win32_joy_ctx final
win32_joy_ctx();
void refresh();
- using di_t = dinput_handle::di_t;
-
private:
static QString guid_to_string(const GUID& guid);
@@ -85,7 +83,7 @@ private:
{
std::vector<QString> all;
joys_t joys;
- dinput_handle::di_t di;
+ di_t di {};
static BOOL CALLBACK EnumJoysticksCallback(const DIDEVICEINSTANCE* pdidInstance, VOID* pContext);
static BOOL CALLBACK EnumObjectsCallback(const DIDEVICEOBJECTINSTANCE* pdidoi, VOID* ctx);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 07:06:54 +0000