Various smaller code improvements (#1343)

CMakeLists.txt

@@ -222,7 +222,7 @@ if (ENABLE_CUBEB)
 		option(BUILD_TOOLS "" OFF)
 		option(BUNDLE_SPEEX "" OFF)
 		set(USE_WINMM OFF CACHE BOOL "")
-		add_subdirectory("dependencies/cubeb" EXCLUDE_FROM_ALL)
+		add_subdirectory("dependencies/cubeb" EXCLUDE_FROM_ALL SYSTEM)
 		set_property(TARGET cubeb PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 		add_library(cubeb::cubeb ALIAS cubeb)
 	endif()

src/Cafe/OS/libs/nn_olv/nn_olv_OfflineDB.cpp

@@ -112,7 +112,7 @@ namespace nn
 
 		nnResult _Async_OfflineDB_DownloadPostDataListParam_DownloadPostDataList(coreinit::OSEvent* event, DownloadedTopicData* downloadedTopicData, DownloadedPostData* downloadedPostData, uint32be* postCountOut, uint32 maxCount, DownloadPostDataListParam* param)
 		{
-			scope_exit _se([&](){coreinit::OSSignalEvent(event);});
+			stdx::scope_exit _se([&](){coreinit::OSSignalEvent(event);});
 
 			uint64 titleId = CafeSystem::GetForegroundTitleId();
 
@@ -184,7 +184,7 @@ namespace nn
 
 		nnResult _Async_OfflineDB_DownloadPostDataListParam_DownloadExternalImageData(coreinit::OSEvent* event, DownloadedDataBase* _this, void* imageDataOut, uint32be* imageSizeOut, uint32 maxSize)
 		{
-			scope_exit _se([&](){coreinit::OSSignalEvent(event);});
+			stdx::scope_exit _se([&](){coreinit::OSSignalEvent(event);});
 
 			if (!_this->TestFlags(_this, DownloadedDataBase::FLAGS::HAS_EXTERNAL_IMAGE))
 				return OLV_RESULT_MISSING_DATA;

src/Cafe/OS/libs/nsyshid/Infinity.cpp

@@ -1017,11 +1017,7 @@ namespace nsyshid
 	std::array<uint8, 16> InfinityUSB::GenerateInfinityFigureKey(const std::vector<uint8>& sha1Data)
 	{
 		std::array<uint8, 20> digest = {};
-		SHA_CTX ctx;
+		SHA1(sha1Data.data(), sha1Data.size(), digest.data());
-		SHA1_Init(&ctx);
-		SHA1_Update(&ctx, sha1Data.data(), sha1Data.size());
-		SHA1_Final(digest.data(), &ctx);
-		OPENSSL_cleanse(&ctx, sizeof(ctx));
 		// Infinity AES keys are the first 16 bytes of the SHA1 Digest, every set of 4 bytes need to be
 		// reversed due to endianness
 		std::array<uint8, 16> key = {};

src/Cafe/OS/libs/ntag/ntag.cpp

@@ -509,7 +509,7 @@ namespace ntag
 			noftHeader->writeCount = _swapEndianU16(_swapEndianU16(noftHeader->writeCount) + 1);
 		}
 
-		memcpy(decryptedBuffer + 0x20, noftHeader, sizeof(noftHeader));
+		memcpy(decryptedBuffer + 0x20, noftHeader, sizeof(NTAGNoftHeader));
 		memcpy(decryptedBuffer + _swapEndianU16(rwHeader->offset), data, dataSize);
 
 		// Encrypt

src/Cafe/OS/libs/snd_core/ax_out.cpp

@@ -522,10 +522,10 @@ namespace snd_core
 	// called periodically to check for AX updates
 	void AXOut_update()
 	{
-		constexpr auto kTimeout = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::milliseconds(((IAudioAPI::kBlockCount * 3) / 4) * (AX_FRAMES_PER_GROUP * 3)));
+		constexpr static auto kTimeout = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::milliseconds(((IAudioAPI::kBlockCount * 3) / 4) * (AX_FRAMES_PER_GROUP * 3)));
-		constexpr auto kWaitDuration = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::milliseconds(3));
+		constexpr static auto kWaitDuration = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::milliseconds(3));
-		constexpr auto kWaitDurationFast = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::microseconds(2900));
+		constexpr static auto kWaitDurationFast = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::microseconds(2900));
-		constexpr auto kWaitDurationMinimum = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::microseconds(1700));
+		constexpr static auto kWaitDurationMinimum = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::microseconds(1700));
 
 		// if we haven't buffered any blocks, we will wait less time than usual
 		bool additional_blocks_required = false;

src/Common/MemPtr.h

@@ -14,25 +14,27 @@ extern uint8* PPCInterpreterGetStackPointer();
 extern uint8* PPCInterpreter_PushAndReturnStackPointer(sint32 offset);
 extern void PPCInterpreterModifyStackPointer(sint32 offset);
 
-class MEMPTRBase {};
+class MEMPTRBase
+{
+};
 
-template <typename T>
+template<typename T>
 class MEMPTR : MEMPTRBase
 {
-public:
+  public:
-	constexpr MEMPTR()
+	constexpr MEMPTR() noexcept
-		: m_value(0) { }
+		: m_value(0) {}
 
-	explicit constexpr MEMPTR(uint32 offset)
+	explicit constexpr MEMPTR(uint32 offset) noexcept
-		: m_value(offset) { }
+		: m_value(offset) {}
 
-	explicit constexpr MEMPTR(const uint32be& offset)
+	explicit constexpr MEMPTR(const uint32be& offset) noexcept
-		: m_value(offset) { }
+		: m_value(offset) {}
 
-	constexpr MEMPTR(std::nullptr_t)
+	constexpr MEMPTR(std::nullptr_t) noexcept
-		: m_value(0) { }
+		: m_value(0) {}
 
-	MEMPTR(T* ptr)
+	MEMPTR(T* ptr) noexcept
 	{
 		if (ptr == nullptr)
 			m_value = 0;
@@ -43,28 +45,23 @@ public:
 		}
 	}
 
-	constexpr MEMPTR(const MEMPTR& memptr)
+	constexpr MEMPTR(const MEMPTR&) noexcept = default;
-		: m_value(memptr.m_value) { }
 
-	constexpr MEMPTR& operator=(const MEMPTR& memptr)
+	constexpr MEMPTR& operator=(const MEMPTR&) noexcept = default;
-	{
-		m_value = memptr.m_value;
-		return *this;
-	}
 
-	constexpr MEMPTR& operator=(const uint32& offset)
+	constexpr MEMPTR& operator=(const uint32& offset) noexcept
 	{
 		m_value = offset;
 		return *this;
 	}
 
-	constexpr MEMPTR& operator=(const std::nullptr_t rhs)
+	constexpr MEMPTR& operator=(std::nullptr_t) noexcept
 	{
 		m_value = 0;
 		return *this;
 	}
 
-	MEMPTR& operator=(T* ptr)
+	MEMPTR& operator=(T* ptr) noexcept
 	{
 		if (ptr == nullptr)
 			m_value = 0;
@@ -76,75 +73,116 @@ public:
 		return *this;
 	}
 
-	bool atomic_compare_exchange(T* comparePtr, T* newPtr)
+	bool atomic_compare_exchange(T* comparePtr, T* newPtr) noexcept
 	{
 		MEMPTR<T> mp_compare = comparePtr;
 		MEMPTR<T> mp_new = newPtr;
-		std::atomic<uint32be>* thisValueAtomic = (std::atomic<uint32be>*)&m_value;
+		auto* thisValueAtomic = reinterpret_cast<std::atomic<uint32be>*>(&m_value);
 		return thisValueAtomic->compare_exchange_strong(mp_compare.m_value, mp_new.m_value);
 	}
 
-	explicit constexpr operator bool() const noexcept { return m_value != 0; }
+	explicit constexpr operator bool() const noexcept
+	{
+		return m_value != 0;
+	}
 
-	constexpr operator T*() const noexcept { return GetPtr(); } // allow implicit cast to wrapped pointer type
+	// allow implicit cast to wrapped pointer type
+	constexpr operator T*() const noexcept
+	{
+		return GetPtr();
+	}
 
+	template<typename X>
+	explicit operator MEMPTR<X>() const noexcept
+	{
+		return MEMPTR<X>(this->m_value);
+	}
 
-	template <typename X>
+	MEMPTR operator+(const MEMPTR& ptr) noexcept
-	explicit operator MEMPTR<X>() const { return MEMPTR<X>(this->m_value); }
+	{
+		return MEMPTR(this->GetMPTR() + ptr.GetMPTR());
+	}
+	MEMPTR operator-(const MEMPTR& ptr) noexcept
+	{
+		return MEMPTR(this->GetMPTR() - ptr.GetMPTR());
+	}
 
-	MEMPTR operator+(const MEMPTR& ptr) { return MEMPTR(this->GetMPTR() + ptr.GetMPTR()); }
+	MEMPTR operator+(sint32 v) noexcept
-	MEMPTR operator-(const MEMPTR& ptr) { return MEMPTR(this->GetMPTR() - ptr.GetMPTR()); }
-
-	MEMPTR operator+(sint32 v)
 	{
 		// pointer arithmetic
 		return MEMPTR(this->GetMPTR() + v * 4);
 	}
 
-	MEMPTR operator-(sint32 v)
+	MEMPTR operator-(sint32 v) noexcept
 	{
 		// pointer arithmetic
 		return MEMPTR(this->GetMPTR() - v * 4);
 	}
 
-	MEMPTR& operator+=(sint32 v)
+	MEMPTR& operator+=(sint32 v) noexcept
 	{
 		m_value += v * sizeof(T);
 		return *this;
 	}
 
-	template <class Q = T>
+	template<typename Q = T>
-	typename std::enable_if<!std::is_same<Q, void>::value, Q>::type&
+	std::enable_if_t<!std::is_same_v<Q, void>, Q>& operator*() const noexcept
-	operator*() const { return *GetPtr(); }
+	{
+		return *GetPtr();
+	}
 
-	T* operator->() const { return GetPtr(); }
+	constexpr T* operator->() const noexcept
+	{
+		return GetPtr();
+	}
 
-	template <class Q = T>
+	template<typename Q = T>
-	typename std::enable_if<!std::is_same<Q, void>::value, Q>::type&
+	std::enable_if_t<!std::is_same_v<Q, void>, Q>& operator[](int index) noexcept
-	operator[](int index) { return GetPtr()[index]; }
+	{
+		return GetPtr()[index];
+	}
 
-	T* GetPtr() const { return (T*)(m_value == 0 ? nullptr : memory_base + (uint32)m_value); }
+	T* GetPtr() const noexcept
+	{
+		return (T*)(m_value == 0 ? nullptr : memory_base + (uint32)m_value);
+	}
 
-	template <typename C>
+	template<typename C>
-	C* GetPtr() const { return (C*)(GetPtr()); }
+	C* GetPtr() const noexcept
+	{
+		return static_cast<C*>(GetPtr());
+	}
 
-	constexpr uint32 GetMPTR() const { return m_value.value(); }
+	[[nodiscard]] constexpr uint32 GetMPTR() const noexcept
-	constexpr const uint32be& GetBEValue() const { return m_value; }
+	{
+		return m_value.value();
+	}
+	[[nodiscard]] constexpr const uint32be& GetBEValue() const noexcept
+	{
+		return m_value;
+	}
 
-	constexpr bool IsNull() const { return m_value == 0; }
+	[[nodiscard]] constexpr bool IsNull() const noexcept
+	{
+		return m_value == 0;
+	}
 
-private:
+  private:
 	uint32be m_value;
 };
 
 static_assert(sizeof(MEMPTR<void*>) == sizeof(uint32be));
+static_assert(std::is_trivially_copyable_v<MEMPTR<void*>>);
 
 #include "StackAllocator.h"
 #include "SysAllocator.h"
 
-template <typename T>
+template<typename T>
 struct fmt::formatter<MEMPTR<T>> : formatter<string_view>
 {
-	template <typename FormatContext>
+	template<typename FormatContext>
-	auto format(const MEMPTR<T>& v, FormatContext& ctx) const -> format_context::iterator { return fmt::format_to(ctx.out(), "{:#x}", v.GetMPTR()); }
+	auto format(const MEMPTR<T>& v, FormatContext& ctx) const -> format_context::iterator
+	{
+		return fmt::format_to(ctx.out(), "{:#x}", v.GetMPTR());
+	}
 };

src/Common/precompiled.h

@@ -394,16 +394,10 @@ void vectorRemoveByIndex(std::vector<T>& vec, const size_t index)
     vec.erase(vec.begin() + index);
 }
 
-template<typename T1, typename T2>
+template<typename T1, typename... Types>
-int match_any_of(T1 value, T2 compareTo)
+bool match_any_of(T1&& value, Types&&... others)
 {
-    return value == compareTo;
+    return ((value == others) || ...);
-}
-
-template<typename T1, typename T2, typename... Types>
-bool match_any_of(T1 value, T2 compareTo, Types&&... others)
-{
-    return value == compareTo || match_any_of(value, others...);
 }
 
 // we cache the frequency in a static variable
@@ -501,13 +495,6 @@ bool future_is_ready(std::future<T>& f)
 #endif
 }
 
-// replace with std::scope_exit once available
-struct scope_exit
-{
-	std::function<void()> f_;
-	explicit scope_exit(std::function<void()> f) noexcept : f_(std::move(f)) {}
-	~scope_exit() { if (f_) f_(); }
-};
 
 // helper function to cast raw pointers to std::atomic
 // this is technically not legal but works on most platforms as long as alignment restrictions are met and the implementation of atomic doesnt come with additional members
@@ -515,6 +502,8 @@ struct scope_exit
 template<typename T>
 std::atomic<T>* _rawPtrToAtomic(T* ptr)
 {
+	static_assert(sizeof(T) == sizeof(std::atomic<T>));
+	cemu_assert_debug((reinterpret_cast<std::uintptr_t>(ptr) % alignof(std::atomic<T>)) == 0);
     return reinterpret_cast<std::atomic<T>*>(ptr);
 }
 
@@ -578,13 +567,34 @@ struct fmt::formatter<betype<T>> : fmt::formatter<T>
 	}
 };
 
-// useful C++23 stuff that isn't yet widely supported
+// useful future C++ stuff
-
-// std::to_underlying
 namespace stdx
 {
+	// std::to_underlying
     template <typename EnumT, typename = std::enable_if_t < std::is_enum<EnumT>{} >>
         constexpr std::underlying_type_t<EnumT> to_underlying(EnumT e) noexcept {
         return static_cast<std::underlying_type_t<EnumT>>(e);
     };
+
+	// std::scope_exit
+	template <typename Fn>
+	class scope_exit
+	{
+		Fn m_func;
+		bool m_released = false;
+	public:
+		explicit scope_exit(Fn&& f) noexcept
+			: m_func(std::forward<Fn>(f))
+		{}
+		~scope_exit()
+		{
+			if (!m_released) m_func();
+		}
+		scope_exit(scope_exit&& other) noexcept
+			: m_func(std::move(other.m_func)), m_released(std::exchange(other.m_released, true))
+		{}
+		scope_exit(const scope_exit&) = delete;
+		scope_exit& operator=(scope_exit) = delete;
+		void release() { m_released = true;}
+	};
 }

src/gui/CemuApp.cpp

@@ -15,6 +15,9 @@
 #if BOOST_OS_LINUX && HAS_WAYLAND
 #include "gui/helpers/wxWayland.h"
 #endif
+#if __WXGTK__
+#include <glib.h>
+#endif
 
 #include <wx/image.h>
 #include <wx/filename.h>

src/util/CMakeLists.txt

@@ -50,7 +50,6 @@ add_library(CemuUtil
   MemMapper/MemMapper.h
   SystemInfo/SystemInfo.cpp
   SystemInfo/SystemInfo.h
-  ThreadPool/ThreadPool.cpp
   ThreadPool/ThreadPool.h
   tinyxml2/tinyxml2.cpp
   tinyxml2/tinyxml2.h

src/util/containers/robin_hood.h

@@ -194,7 +194,7 @@ namespace robin_hood {
 
 // workaround missing "is_trivially_copyable" in g++ < 5.0
 // See https://stackoverflow.com/a/31798726/48181
-#if defined(__GNUC__) && __GNUC__ < 5
+#if defined(__GNUC__) && __GNUC__ < 5 && !defined(__clang__)
 #    define ROBIN_HOOD_IS_TRIVIALLY_COPYABLE(...) __has_trivial_copy(__VA_ARGS__)
 #else
 #    define ROBIN_HOOD_IS_TRIVIALLY_COPYABLE(...) std::is_trivially_copyable<__VA_ARGS__>::value

src/util/crypto/crc32.cpp

@@ -1,29 +1,6 @@
 #include "crc32.h"
 
-#if defined(_MSC_VER) || defined(__MINGW32__)
+constexpr uint32 Crc32Lookup[8][256] =
-#define __LITTLE_ENDIAN 1234
-#define __BIG_ENDIAN    4321
-#define __BYTE_ORDER    __LITTLE_ENDIAN
-
-#include <xmmintrin.h>
-#ifdef __MINGW32__
-#define PREFETCH(location) __builtin_prefetch(location)
-#else
-#define PREFETCH(location) _mm_prefetch(location, _MM_HINT_T0)
-#endif
-#else
-// defines __BYTE_ORDER as __LITTLE_ENDIAN or __BIG_ENDIAN
-#include <sys/param.h>
-
-#ifdef __GNUC__
-#define PREFETCH(location) __builtin_prefetch(location)
-#else
-  // no prefetching
-#define PREFETCH(location) ;
-#endif
-#endif
-
-unsigned int Crc32Lookup[8][256] =
 {
 	{
 		0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,
@@ -301,20 +278,7 @@ unsigned int Crc32Lookup[8][256] =
 	  }
 };
 
-/// swap endianess
+uint32 crc32_calc_slice_by_8(uint32 previousCrc32, const void* data, size_t length)
-static inline uint32_t swap(uint32_t x)
-{
-#if defined(__GNUC__) || defined(__clang__)
-	return __builtin_bswap32(x);
-#else
-	return (x >> 24) |
-		((x >> 8) & 0x0000FF00) |
-		((x << 8) & 0x00FF0000) |
-		(x << 24);
-#endif
-}
-
-unsigned int crc32_calc_slice_by_8(unsigned int previousCrc32, const void* data, int length)
 {
 	uint32_t crc = ~previousCrc32; // same as previousCrc32 ^ 0xFFFFFFFF
 	const uint32_t* current = (const uint32_t*)data;
@@ -323,7 +287,7 @@ unsigned int crc32_calc_slice_by_8(unsigned int previousCrc32, const void* data,
 	while (length >= 8)
 	{
 		if constexpr (std::endian::native == std::endian::big){
-			uint32_t one = *current++ ^ swap(crc);
+			uint32_t one = *current++ ^ _swapEndianU32(crc);
 			uint32_t two = *current++;
 			crc = Crc32Lookup[0][two & 0xFF] ^
 				  Crc32Lookup[1][(two >> 8) & 0xFF] ^
@@ -348,13 +312,14 @@ unsigned int crc32_calc_slice_by_8(unsigned int previousCrc32, const void* data,
 				  Crc32Lookup[7][one & 0xFF];
 		}
 		else {
-			cemu_assert(false);
+			static_assert(std::endian::native == std::endian::big || std::endian::native == std::endian::little,
+						  "Platform byte-order is unsupported");
 		}
 
 		length -= 8;
 	}
 
-	const uint8_t* currentChar = (const uint8_t*)current;
+	const uint8* currentChar = (const uint8*)current;
 	// remaining 1 to 7 bytes (standard algorithm)
 	while (length-- != 0)
 		crc = (crc >> 8) ^ Crc32Lookup[0][(crc & 0xFF) ^ *currentChar++];
@@ -362,20 +327,20 @@ unsigned int crc32_calc_slice_by_8(unsigned int previousCrc32, const void* data,
 	return ~crc; // same as crc ^ 0xFFFFFFFF
 }
 
-unsigned int crc32_calc(unsigned int c, const void* data, int length)
+uint32 crc32_calc(uint32 c, const void* data, size_t length)
 {
 	if (length >= 16)
 	{
 		return crc32_calc_slice_by_8(c, data, length);
 	}
-	unsigned char* p = (unsigned char*)data;
+	const uint8* p = (const uint8*)data;
 	if (length == 0)
 		return c;
 	c ^= 0xFFFFFFFF;
 	while (length)
 	{
-		unsigned char temp = *p;
+		uint8 temp = *p;
-		temp ^= (unsigned char)c;
+		temp ^= (uint8)c;
 		c = (c >> 8) ^ Crc32Lookup[0][temp];
 		// next
 		length--;

src/util/crypto/crc32.h

@@ -1,8 +1,8 @@
 #pragma once
 
-unsigned int crc32_calc(unsigned int c, const void* data, int length);
+uint32 crc32_calc(uint32 c, const void* data, size_t length);
 
-inline unsigned int crc32_calc(const void* data, int length)
+inline uint32 crc32_calc(const void* data, size_t length)
 {
 	return crc32_calc(0, data, length);
 }