diff options
Diffstat (limited to 'src/common')
-rw-r--r-- | src/common/CMakeLists.txt | 6 | ||||
-rw-r--r-- | src/common/alignment.h | 29 | ||||
-rw-r--r-- | src/common/bit_util.h | 76 | ||||
-rw-r--r-- | src/common/color.h | 271 | ||||
-rw-r--r-- | src/common/common_funcs.h | 16 | ||||
-rw-r--r-- | src/common/div_ceil.h | 10 | ||||
-rw-r--r-- | src/common/intrusive_red_black_tree.h | 602 | ||||
-rw-r--r-- | src/common/logging/backend.cpp | 16 | ||||
-rw-r--r-- | src/common/page_table.h | 2 | ||||
-rw-r--r-- | src/common/parent_of_member.h | 191 | ||||
-rw-r--r-- | src/common/swap.h | 4 | ||||
-rw-r--r-- | src/common/timer.cpp | 159 | ||||
-rw-r--r-- | src/common/timer.h | 41 | ||||
-rw-r--r-- | src/common/tree.h | 674 |
14 files changed, 1514 insertions, 583 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt index abe62543e..f77575a00 100644 --- a/src/common/CMakeLists.txt +++ b/src/common/CMakeLists.txt @@ -107,7 +107,6 @@ add_library(common STATIC bit_util.h cityhash.cpp cityhash.h - color.h common_funcs.h common_paths.h common_types.h @@ -122,6 +121,7 @@ add_library(common STATIC hash.h hex_util.cpp hex_util.h + intrusive_red_black_tree.h logging/backend.cpp logging/backend.h logging/filter.cpp @@ -142,6 +142,7 @@ add_library(common STATIC page_table.h param_package.cpp param_package.h + parent_of_member.h quaternion.h ring_buffer.h scm_rev.cpp @@ -164,8 +165,7 @@ add_library(common STATIC threadsafe_queue.h time_zone.cpp time_zone.h - timer.cpp - timer.h + tree.h uint128.cpp uint128.h uuid.cpp diff --git a/src/common/alignment.h b/src/common/alignment.h index 5040043de..fb81f10d8 100644 --- a/src/common/alignment.h +++ b/src/common/alignment.h @@ -9,50 +9,45 @@ namespace Common { template <typename T> -[[nodiscard]] constexpr T AlignUp(T value, std::size_t size) { - static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); +requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUp(T value, size_t size) { auto mod{static_cast<T>(value % size)}; value -= mod; return static_cast<T>(mod == T{0} ? value : value + size); } template <typename T> -[[nodiscard]] constexpr T AlignDown(T value, std::size_t size) { - static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); - return static_cast<T>(value - value % size); +requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) { + return static_cast<T>((value + ((1ULL << align_log2) - 1)) >> align_log2 << align_log2); } template <typename T> -[[nodiscard]] constexpr T AlignBits(T value, std::size_t align) { - static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); - return static_cast<T>((value + ((1ULL << align) - 1)) >> align << align); +requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignDown(T value, size_t size) { + return static_cast<T>(value - value % size); } template <typename T> -[[nodiscard]] constexpr bool Is4KBAligned(T value) { - static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); +requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool Is4KBAligned(T value) { return (value & 0xFFF) == 0; } template <typename T> -[[nodiscard]] constexpr bool IsWordAligned(T value) { - static_assert(std::is_unsigned_v<T>, "T must be an unsigned value."); +requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool IsWordAligned(T value) { return (value & 0b11) == 0; } template <typename T> -[[nodiscard]] constexpr bool IsAligned(T value, std::size_t alignment) { - using U = typename std::make_unsigned<T>::type; +requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) { + using U = typename std::make_unsigned_t<T>; const U mask = static_cast<U>(alignment - 1); return (value & mask) == 0; } -template <typename T, std::size_t Align = 16> +template <typename T, size_t Align = 16> class AlignmentAllocator { public: using value_type = T; - using size_type = std::size_t; - using difference_type = std::ptrdiff_t; + using size_type = size_t; + using difference_type = ptrdiff_t; using propagate_on_container_copy_assignment = std::true_type; using propagate_on_container_move_assignment = std::true_type; diff --git a/src/common/bit_util.h b/src/common/bit_util.h index 29f59a9a3..685e7fc9b 100644 --- a/src/common/bit_util.h +++ b/src/common/bit_util.h @@ -22,82 +22,6 @@ template <typename T> } #ifdef _MSC_VER -[[nodiscard]] inline u32 CountLeadingZeroes32(u32 value) { - unsigned long leading_zero = 0; - - if (_BitScanReverse(&leading_zero, value) != 0) { - return 31 - leading_zero; - } - - return 32; -} - -[[nodiscard]] inline u32 CountLeadingZeroes64(u64 value) { - unsigned long leading_zero = 0; - - if (_BitScanReverse64(&leading_zero, value) != 0) { - return 63 - leading_zero; - } - - return 64; -} -#else -[[nodiscard]] inline u32 CountLeadingZeroes32(u32 value) { - if (value == 0) { - return 32; - } - - return static_cast<u32>(__builtin_clz(value)); -} - -[[nodiscard]] inline u32 CountLeadingZeroes64(u64 value) { - if (value == 0) { - return 64; - } - - return static_cast<u32>(__builtin_clzll(value)); -} -#endif - -#ifdef _MSC_VER -[[nodiscard]] inline u32 CountTrailingZeroes32(u32 value) { - unsigned long trailing_zero = 0; - - if (_BitScanForward(&trailing_zero, value) != 0) { - return trailing_zero; - } - - return 32; -} - -[[nodiscard]] inline u32 CountTrailingZeroes64(u64 value) { - unsigned long trailing_zero = 0; - - if (_BitScanForward64(&trailing_zero, value) != 0) { - return trailing_zero; - } - - return 64; -} -#else -[[nodiscard]] inline u32 CountTrailingZeroes32(u32 value) { - if (value == 0) { - return 32; - } - - return static_cast<u32>(__builtin_ctz(value)); -} - -[[nodiscard]] inline u32 CountTrailingZeroes64(u64 value) { - if (value == 0) { - return 64; - } - - return static_cast<u32>(__builtin_ctzll(value)); -} -#endif - -#ifdef _MSC_VER [[nodiscard]] inline u32 MostSignificantBit32(const u32 value) { unsigned long result; diff --git a/src/common/color.h b/src/common/color.h deleted file mode 100644 index bbcac858e..000000000 --- a/src/common/color.h +++ /dev/null @@ -1,271 +0,0 @@ -// Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <cstring> - -#include "common/common_types.h" -#include "common/swap.h" -#include "common/vector_math.h" - -namespace Common::Color { - -/// Convert a 1-bit color component to 8 bit -[[nodiscard]] constexpr u8 Convert1To8(u8 value) { - return value * 255; -} - -/// Convert a 4-bit color component to 8 bit -[[nodiscard]] constexpr u8 Convert4To8(u8 value) { - return (value << 4) | value; -} - -/// Convert a 5-bit color component to 8 bit -[[nodiscard]] constexpr u8 Convert5To8(u8 value) { - return (value << 3) | (value >> 2); -} - -/// Convert a 6-bit color component to 8 bit -[[nodiscard]] constexpr u8 Convert6To8(u8 value) { - return (value << 2) | (value >> 4); -} - -/// Convert a 8-bit color component to 1 bit -[[nodiscard]] constexpr u8 Convert8To1(u8 value) { - return value >> 7; -} - -/// Convert a 8-bit color component to 4 bit -[[nodiscard]] constexpr u8 Convert8To4(u8 value) { - return value >> 4; -} - -/// Convert a 8-bit color component to 5 bit -[[nodiscard]] constexpr u8 Convert8To5(u8 value) { - return value >> 3; -} - -/// Convert a 8-bit color component to 6 bit -[[nodiscard]] constexpr u8 Convert8To6(u8 value) { - return value >> 2; -} - -/** - * Decode a color stored in RGBA8 format - * @param bytes Pointer to encoded source color - * @return Result color decoded as Common::Vec4<u8> - */ -[[nodiscard]] inline Common::Vec4<u8> DecodeRGBA8(const u8* bytes) { - return {bytes[3], bytes[2], bytes[1], bytes[0]}; -} - -/** - * Decode a color stored in RGB8 format - * @param bytes Pointer to encoded source color - * @return Result color decoded as Common::Vec4<u8> - */ -[[nodiscard]] inline Common::Vec4<u8> DecodeRGB8(const u8* bytes) { - return {bytes[2], bytes[1], bytes[0], 255}; -} - -/** - * Decode a color stored in RG8 (aka HILO8) format - * @param bytes Pointer to encoded source color - * @return Result color decoded as Common::Vec4<u8> - */ -[[nodiscard]] inline Common::Vec4<u8> DecodeRG8(const u8* bytes) { - return {bytes[1], bytes[0], 0, 255}; -} - -/** - * Decode a color stored in RGB565 format - * @param bytes Pointer to encoded source color - * @return Result color decoded as Common::Vec4<u8> - */ -[[nodiscard]] inline Common::Vec4<u8> DecodeRGB565(const u8* bytes) { - u16_le pixel; - std::memcpy(&pixel, bytes, sizeof(pixel)); - return {Convert5To8((pixel >> 11) & 0x1F), Convert6To8((pixel >> 5) & 0x3F), - Convert5To8(pixel & 0x1F), 255}; -} - -/** - * Decode a color stored in RGB5A1 format - * @param bytes Pointer to encoded source color - * @return Result color decoded as Common::Vec4<u8> - */ -[[nodiscard]] inline Common::Vec4<u8> DecodeRGB5A1(const u8* bytes) { - u16_le pixel; - std::memcpy(&pixel, bytes, sizeof(pixel)); - return {Convert5To8((pixel >> 11) & 0x1F), Convert5To8((pixel >> 6) & 0x1F), - Convert5To8((pixel >> 1) & 0x1F), Convert1To8(pixel & 0x1)}; -} - -/** - * Decode a color stored in RGBA4 format - * @param bytes Pointer to encoded source color - * @return Result color decoded as Common::Vec4<u8> - */ -[[nodiscard]] inline Common::Vec4<u8> DecodeRGBA4(const u8* bytes) { - u16_le pixel; - std::memcpy(&pixel, bytes, sizeof(pixel)); - return {Convert4To8((pixel >> 12) & 0xF), Convert4To8((pixel >> 8) & 0xF), - Convert4To8((pixel >> 4) & 0xF), Convert4To8(pixel & 0xF)}; -} - -/** - * Decode a depth value stored in D16 format - * @param bytes Pointer to encoded source value - * @return Depth value as an u32 - */ -[[nodiscard]] inline u32 DecodeD16(const u8* bytes) { - u16_le data; - std::memcpy(&data, bytes, sizeof(data)); - return data; -} - -/** - * Decode a depth value stored in D24 format - * @param bytes Pointer to encoded source value - * @return Depth value as an u32 - */ -[[nodiscard]] inline u32 DecodeD24(const u8* bytes) { - return (bytes[2] << 16) | (bytes[1] << 8) | bytes[0]; -} - -/** - * Decode a depth value and a stencil value stored in D24S8 format - * @param bytes Pointer to encoded source values - * @return Resulting values stored as a Common::Vec2 - */ -[[nodiscard]] inline Common::Vec2<u32> DecodeD24S8(const u8* bytes) { - return {static_cast<u32>((bytes[2] << 16) | (bytes[1] << 8) | bytes[0]), bytes[3]}; -} - -/** - * Encode a color as RGBA8 format - * @param color Source color to encode - * @param bytes Destination pointer to store encoded color - */ -inline void EncodeRGBA8(const Common::Vec4<u8>& color, u8* bytes) { - bytes[3] = color.r(); - bytes[2] = color.g(); - bytes[1] = color.b(); - bytes[0] = color.a(); -} - -/** - * Encode a color as RGB8 format - * @param color Source color to encode - * @param bytes Destination pointer to store encoded color - */ -inline void EncodeRGB8(const Common::Vec4<u8>& color, u8* bytes) { - bytes[2] = color.r(); - bytes[1] = color.g(); - bytes[0] = color.b(); -} - -/** - * Encode a color as RG8 (aka HILO8) format - * @param color Source color to encode - * @param bytes Destination pointer to store encoded color - */ -inline void EncodeRG8(const Common::Vec4<u8>& color, u8* bytes) { - bytes[1] = color.r(); - bytes[0] = color.g(); -} -/** - * Encode a color as RGB565 format - * @param color Source color to encode - * @param bytes Destination pointer to store encoded color - */ -inline void EncodeRGB565(const Common::Vec4<u8>& color, u8* bytes) { - const u16_le data = - (Convert8To5(color.r()) << 11) | (Convert8To6(color.g()) << 5) | Convert8To5(color.b()); - - std::memcpy(bytes, &data, sizeof(data)); -} - -/** - * Encode a color as RGB5A1 format - * @param color Source color to encode - * @param bytes Destination pointer to store encoded color - */ -inline void EncodeRGB5A1(const Common::Vec4<u8>& color, u8* bytes) { - const u16_le data = (Convert8To5(color.r()) << 11) | (Convert8To5(color.g()) << 6) | - (Convert8To5(color.b()) << 1) | Convert8To1(color.a()); - - std::memcpy(bytes, &data, sizeof(data)); -} - -/** - * Encode a color as RGBA4 format - * @param color Source color to encode - * @param bytes Destination pointer to store encoded color - */ -inline void EncodeRGBA4(const Common::Vec4<u8>& color, u8* bytes) { - const u16 data = (Convert8To4(color.r()) << 12) | (Convert8To4(color.g()) << 8) | - (Convert8To4(color.b()) << 4) | Convert8To4(color.a()); - - std::memcpy(bytes, &data, sizeof(data)); -} - -/** - * Encode a 16 bit depth value as D16 format - * @param value 16 bit source depth value to encode - * @param bytes Pointer where to store the encoded value - */ -inline void EncodeD16(u32 value, u8* bytes) { - const u16_le data = static_cast<u16>(value); - std::memcpy(bytes, &data, sizeof(data)); -} - -/** - * Encode a 24 bit depth value as D24 format - * @param value 24 bit source depth value to encode - * @param bytes Pointer where to store the encoded value - */ -inline void EncodeD24(u32 value, u8* bytes) { - bytes[0] = value & 0xFF; - bytes[1] = (value >> 8) & 0xFF; - bytes[2] = (value >> 16) & 0xFF; -} - -/** - * Encode a 24 bit depth and 8 bit stencil values as D24S8 format - * @param depth 24 bit source depth value to encode - * @param stencil 8 bit source stencil value to encode - * @param bytes Pointer where to store the encoded value - */ -inline void EncodeD24S8(u32 depth, u8 stencil, u8* bytes) { - bytes[0] = depth & 0xFF; - bytes[1] = (depth >> 8) & 0xFF; - bytes[2] = (depth >> 16) & 0xFF; - bytes[3] = stencil; -} - -/** - * Encode a 24 bit depth value as D24X8 format (32 bits per pixel with 8 bits unused) - * @param depth 24 bit source depth value to encode - * @param bytes Pointer where to store the encoded value - * @note unused bits will not be modified - */ -inline void EncodeD24X8(u32 depth, u8* bytes) { - bytes[0] = depth & 0xFF; - bytes[1] = (depth >> 8) & 0xFF; - bytes[2] = (depth >> 16) & 0xFF; -} - -/** - * Encode an 8 bit stencil value as X24S8 format (32 bits per pixel with 24 bits unused) - * @param stencil 8 bit source stencil value to encode - * @param bytes Pointer where to store the encoded value - * @note unused bits will not be modified - */ -inline void EncodeX24S8(u8 stencil, u8* bytes) { - bytes[3] = stencil; -} - -} // namespace Common::Color diff --git a/src/common/common_funcs.h b/src/common/common_funcs.h index 367b6bf6e..75f3027fb 100644 --- a/src/common/common_funcs.h +++ b/src/common/common_funcs.h @@ -24,10 +24,10 @@ #define INSERT_PADDING_WORDS(num_words) \ std::array<u32, num_words> CONCAT2(pad, __LINE__) {} -/// These are similar to the INSERT_PADDING_* macros, but are needed for padding unions. This is -/// because unions can only be initialized by one member. -#define INSERT_UNION_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__) -#define INSERT_UNION_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__) +/// These are similar to the INSERT_PADDING_* macros but do not zero-initialize the contents. +/// This keeps the structure trivial to construct. +#define INSERT_PADDING_BYTES_NOINIT(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__) +#define INSERT_PADDING_WORDS_NOINIT(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__) #ifndef _MSC_VER @@ -93,6 +93,14 @@ __declspec(dllimport) void __stdcall DebugBreak(void); return static_cast<T>(key) == 0; \ } +/// Evaluates a boolean expression, and returns a result unless that expression is true. +#define R_UNLESS(expr, res) \ + { \ + if (!(expr)) { \ + return res; \ + } \ + } + namespace Common { [[nodiscard]] constexpr u32 MakeMagic(char a, char b, char c, char d) { diff --git a/src/common/div_ceil.h b/src/common/div_ceil.h index 6b2c48f91..95e1489a9 100644 --- a/src/common/div_ceil.h +++ b/src/common/div_ceil.h @@ -11,16 +11,16 @@ namespace Common { /// Ceiled integer division. template <typename N, typename D> -requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr auto DivCeil( - N number, D divisor) { - return (static_cast<D>(number) + divisor - 1) / divisor; +requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeil(N number, + D divisor) { + return static_cast<N>((static_cast<D>(number) + divisor - 1) / divisor); } /// Ceiled integer division with logarithmic divisor in base 2 template <typename N, typename D> -requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr auto DivCeilLog2( +requires std::is_integral_v<N>&& std::is_unsigned_v<D>[[nodiscard]] constexpr N DivCeilLog2( N value, D alignment_log2) { - return (static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2; + return static_cast<N>((static_cast<D>(value) + (D(1) << alignment_log2) - 1) >> alignment_log2); } } // namespace Common diff --git a/src/common/intrusive_red_black_tree.h b/src/common/intrusive_red_black_tree.h new file mode 100644 index 000000000..c0bbcd457 --- /dev/null +++ b/src/common/intrusive_red_black_tree.h @@ -0,0 +1,602 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/parent_of_member.h" +#include "common/tree.h" + +namespace Common { + +namespace impl { + +class IntrusiveRedBlackTreeImpl; + +} + +struct IntrusiveRedBlackTreeNode { +public: + using EntryType = RBEntry<IntrusiveRedBlackTreeNode>; + + constexpr IntrusiveRedBlackTreeNode() = default; + + void SetEntry(const EntryType& new_entry) { + entry = new_entry; + } + + [[nodiscard]] EntryType& GetEntry() { + return entry; + } + + [[nodiscard]] const EntryType& GetEntry() const { + return entry; + } + +private: + EntryType entry{}; + + friend class impl::IntrusiveRedBlackTreeImpl; + + template <class, class, class> + friend class IntrusiveRedBlackTree; +}; + +template <class T, class Traits, class Comparator> +class IntrusiveRedBlackTree; + +namespace impl { + +class IntrusiveRedBlackTreeImpl { +private: + template <class, class, class> + friend class ::Common::IntrusiveRedBlackTree; + + using RootType = RBHead<IntrusiveRedBlackTreeNode>; + RootType root; + +public: + template <bool Const> + class Iterator; + + using value_type = IntrusiveRedBlackTreeNode; + using size_type = size_t; + using difference_type = ptrdiff_t; + using pointer = value_type*; + using const_pointer = const value_type*; + using reference = value_type&; + using const_reference = const value_type&; + using iterator = Iterator<false>; + using const_iterator = Iterator<true>; + + template <bool Const> + class Iterator { + public: + using iterator_category = std::bidirectional_iterator_tag; + using value_type = typename IntrusiveRedBlackTreeImpl::value_type; + using difference_type = typename IntrusiveRedBlackTreeImpl::difference_type; + using pointer = std::conditional_t<Const, IntrusiveRedBlackTreeImpl::const_pointer, + IntrusiveRedBlackTreeImpl::pointer>; + using reference = std::conditional_t<Const, IntrusiveRedBlackTreeImpl::const_reference, + IntrusiveRedBlackTreeImpl::reference>; + + private: + pointer node; + + public: + explicit Iterator(pointer n) : node(n) {} + + bool operator==(const Iterator& rhs) const { + return this->node == rhs.node; + } + + bool operator!=(const Iterator& rhs) const { + return !(*this == rhs); + } + + pointer operator->() const { + return this->node; + } + + reference operator*() const { + return *this->node; + } + + Iterator& operator++() { + this->node = GetNext(this->node); + return *this; + } + + Iterator& operator--() { + this->node = GetPrev(this->node); + return *this; + } + + Iterator operator++(int) { + const Iterator it{*this}; + ++(*this); + return it; + } + + Iterator operator--(int) { + const Iterator it{*this}; + --(*this); + return it; + } + + operator Iterator<true>() const { + return Iterator<true>(this->node); + } + }; + +private: + // Define accessors using RB_* functions. + bool EmptyImpl() const { + return root.IsEmpty(); + } + + IntrusiveRedBlackTreeNode* GetMinImpl() const { + return RB_MIN(const_cast<RootType*>(&root)); + } + + IntrusiveRedBlackTreeNode* GetMaxImpl() const { + return RB_MAX(const_cast<RootType*>(&root)); + } + + IntrusiveRedBlackTreeNode* RemoveImpl(IntrusiveRedBlackTreeNode* node) { + return RB_REMOVE(&root, node); + } + +public: + static IntrusiveRedBlackTreeNode* GetNext(IntrusiveRedBlackTreeNode* node) { + return RB_NEXT(node); + } + + static IntrusiveRedBlackTreeNode* GetPrev(IntrusiveRedBlackTreeNode* node) { + return RB_PREV(node); + } + + static const IntrusiveRedBlackTreeNode* GetNext(const IntrusiveRedBlackTreeNode* node) { + return static_cast<const IntrusiveRedBlackTreeNode*>( + GetNext(const_cast<IntrusiveRedBlackTreeNode*>(node))); + } + + static const IntrusiveRedBlackTreeNode* GetPrev(const IntrusiveRedBlackTreeNode* node) { + return static_cast<const IntrusiveRedBlackTreeNode*>( + GetPrev(const_cast<IntrusiveRedBlackTreeNode*>(node))); + } + +public: + constexpr IntrusiveRedBlackTreeImpl() {} + + // Iterator accessors. + iterator begin() { + return iterator(this->GetMinImpl()); + } + + const_iterator begin() const { + return const_iterator(this->GetMinImpl()); + } + + iterator end() { + return iterator(static_cast<IntrusiveRedBlackTreeNode*>(nullptr)); + } + + const_iterator end() const { + return const_iterator(static_cast<const IntrusiveRedBlackTreeNode*>(nullptr)); + } + + const_iterator cbegin() const { + return this->begin(); + } + + const_iterator cend() const { + return this->end(); + } + + iterator iterator_to(reference ref) { + return iterator(&ref); + } + + const_iterator iterator_to(const_reference ref) const { + return const_iterator(&ref); + } + + // Content management. + bool empty() const { + return this->EmptyImpl(); + } + + reference back() { + return *this->GetMaxImpl(); + } + + const_reference back() const { + return *this->GetMaxImpl(); + } + + reference front() { + return *this->GetMinImpl(); + } + + const_reference front() const { + return *this->GetMinImpl(); + } + + iterator erase(iterator it) { + auto cur = std::addressof(*it); + auto next = GetNext(cur); + this->RemoveImpl(cur); + return iterator(next); + } +}; + +} // namespace impl + +template <typename T> +concept HasLightCompareType = requires { + { std::is_same<typename T::LightCompareType, void>::value } + ->std::convertible_to<bool>; +}; + +namespace impl { + +template <typename T, typename Default> +consteval auto* GetLightCompareType() { + if constexpr (HasLightCompareType<T>) { + return static_cast<typename T::LightCompareType*>(nullptr); + } else { + return static_cast<Default*>(nullptr); + } +} + +} // namespace impl + +template <typename T, typename Default> +using LightCompareType = std::remove_pointer_t<decltype(impl::GetLightCompareType<T, Default>())>; + +template <class T, class Traits, class Comparator> +class IntrusiveRedBlackTree { + +public: + using ImplType = impl::IntrusiveRedBlackTreeImpl; + +private: + ImplType impl{}; + +public: + template <bool Const> + class Iterator; + + using value_type = T; + using size_type = size_t; + using difference_type = ptrdiff_t; + using pointer = T*; + using const_pointer = const T*; + using reference = T&; + using const_reference = const T&; + using iterator = Iterator<false>; + using const_iterator = Iterator<true>; + + using light_value_type = LightCompareType<Comparator, value_type>; + using const_light_pointer = const light_value_type*; + using const_light_reference = const light_value_type&; + + template <bool Const> + class Iterator { + public: + friend class IntrusiveRedBlackTree<T, Traits, Comparator>; + + using ImplIterator = + std::conditional_t<Const, ImplType::const_iterator, ImplType::iterator>; + + using iterator_category = std::bidirectional_iterator_tag; + using value_type = typename IntrusiveRedBlackTree::value_type; + using difference_type = typename IntrusiveRedBlackTree::difference_type; + using pointer = std::conditional_t<Const, IntrusiveRedBlackTree::const_pointer, + IntrusiveRedBlackTree::pointer>; + using reference = std::conditional_t<Const, IntrusiveRedBlackTree::const_reference, + IntrusiveRedBlackTree::reference>; + + private: + ImplIterator iterator; + + private: + explicit Iterator(ImplIterator it) : iterator(it) {} + + explicit Iterator(typename std::conditional<Const, ImplType::const_iterator, + ImplType::iterator>::type::pointer ptr) + : iterator(ptr) {} + + ImplIterator GetImplIterator() const { + return this->iterator; + } + + public: + bool operator==(const Iterator& rhs) const { + return this->iterator == rhs.iterator; + } + + bool operator!=(const Iterator& rhs) const { + return !(*this == rhs); + } + + pointer operator->() const { + return Traits::GetParent(std::addressof(*this->iterator)); + } + + reference operator*() const { + return *Traits::GetParent(std::addressof(*this->iterator)); + } + + Iterator& operator++() { + ++this->iterator; + return *this; + } + + Iterator& operator--() { + --this->iterator; + return *this; + } + + Iterator operator++(int) { + const Iterator it{*this}; + ++this->iterator; + return it; + } + + Iterator operator--(int) { + const Iterator it{*this}; + --this->iterator; + return it; + } + + operator Iterator<true>() const { + return Iterator<true>(this->iterator); + } + }; + +private: + static int CompareImpl(const IntrusiveRedBlackTreeNode* lhs, + const IntrusiveRedBlackTreeNode* rhs) { + return Comparator::Compare(*Traits::GetParent(lhs), *Traits::GetParent(rhs)); + } + + static int LightCompareImpl(const void* elm, const IntrusiveRedBlackTreeNode* rhs) { + return Comparator::Compare(*static_cast<const_light_pointer>(elm), *Traits::GetParent(rhs)); + } + + // Define accessors using RB_* functions. + IntrusiveRedBlackTreeNode* InsertImpl(IntrusiveRedBlackTreeNode* node) { + return RB_INSERT(&impl.root, node, CompareImpl); + } + + IntrusiveRedBlackTreeNode* FindImpl(const IntrusiveRedBlackTreeNode* node) const { + return RB_FIND(const_cast<ImplType::RootType*>(&impl.root), + const_cast<IntrusiveRedBlackTreeNode*>(node), CompareImpl); + } + + IntrusiveRedBlackTreeNode* NFindImpl(const IntrusiveRedBlackTreeNode* node) const { + return RB_NFIND(const_cast<ImplType::RootType*>(&impl.root), + const_cast<IntrusiveRedBlackTreeNode*>(node), CompareImpl); + } + + IntrusiveRedBlackTreeNode* FindLightImpl(const_light_pointer lelm) const { + return RB_FIND_LIGHT(const_cast<ImplType::RootType*>(&impl.root), + static_cast<const void*>(lelm), LightCompareImpl); + } + + IntrusiveRedBlackTreeNode* NFindLightImpl(const_light_pointer lelm) const { + return RB_NFIND_LIGHT(const_cast<ImplType::RootType*>(&impl.root), + static_cast<const void*>(lelm), LightCompareImpl); + } + +public: + constexpr IntrusiveRedBlackTree() = default; + + // Iterator accessors. + iterator begin() { + return iterator(this->impl.begin()); + } + + const_iterator begin() const { + return const_iterator(this->impl.begin()); + } + + iterator end() { + return iterator(this->impl.end()); + } + + const_iterator end() const { + return const_iterator(this->impl.end()); + } + + const_iterator cbegin() const { + return this->begin(); + } + + const_iterator cend() const { + return this->end(); + } + + iterator iterator_to(reference ref) { + return iterator(this->impl.iterator_to(*Traits::GetNode(std::addressof(ref)))); + } + + const_iterator iterator_to(const_reference ref) const { + return const_iterator(this->impl.iterator_to(*Traits::GetNode(std::addressof(ref)))); + } + + // Content management. + bool empty() const { + return this->impl.empty(); + } + + reference back() { + return *Traits::GetParent(std::addressof(this->impl.back())); + } + + const_reference back() const { + return *Traits::GetParent(std::addressof(this->impl.back())); + } + + reference front() { + return *Traits::GetParent(std::addressof(this->impl.front())); + } + + const_reference front() const { + return *Traits::GetParent(std::addressof(this->impl.front())); + } + + iterator erase(iterator it) { + return iterator(this->impl.erase(it.GetImplIterator())); + } + + iterator insert(reference ref) { + ImplType::pointer node = Traits::GetNode(std::addressof(ref)); + this->InsertImpl(node); + return iterator(node); + } + + iterator find(const_reference ref) const { + return iterator(this->FindImpl(Traits::GetNode(std::addressof(ref)))); + } + + iterator nfind(const_reference ref) const { + return iterator(this->NFindImpl(Traits::GetNode(std::addressof(ref)))); + } + + iterator find_light(const_light_reference ref) const { + return iterator(this->FindLightImpl(std::addressof(ref))); + } + + iterator nfind_light(const_light_reference ref) const { + return iterator(this->NFindLightImpl(std::addressof(ref))); + } +}; + +template <auto T, class Derived = impl::GetParentType<T>> +class IntrusiveRedBlackTreeMemberTraits; + +template <class Parent, IntrusiveRedBlackTreeNode Parent::*Member, class Derived> +class IntrusiveRedBlackTreeMemberTraits<Member, Derived> { +public: + template <class Comparator> + using TreeType = IntrusiveRedBlackTree<Derived, IntrusiveRedBlackTreeMemberTraits, Comparator>; + using TreeTypeImpl = impl::IntrusiveRedBlackTreeImpl; + +private: + template <class, class, class> + friend class IntrusiveRedBlackTree; + + friend class impl::IntrusiveRedBlackTreeImpl; + + static constexpr IntrusiveRedBlackTreeNode* GetNode(Derived* parent) { + return std::addressof(parent->*Member); + } + + static constexpr IntrusiveRedBlackTreeNode const* GetNode(Derived const* parent) { + return std::addressof(parent->*Member); + } + + static constexpr Derived* GetParent(IntrusiveRedBlackTreeNode* node) { + return GetParentPointer<Member, Derived>(node); + } + + static constexpr Derived const* GetParent(const IntrusiveRedBlackTreeNode* node) { + return GetParentPointer<Member, Derived>(node); + } + +private: + static constexpr TypedStorage<Derived> DerivedStorage = {}; + static_assert(GetParent(GetNode(GetPointer(DerivedStorage))) == GetPointer(DerivedStorage)); +}; + +template <auto T, class Derived = impl::GetParentType<T>> +class IntrusiveRedBlackTreeMemberTraitsDeferredAssert; + +template <class Parent, IntrusiveRedBlackTreeNode Parent::*Member, class Derived> +class IntrusiveRedBlackTreeMemberTraitsDeferredAssert<Member, Derived> { +public: + template <class Comparator> + using TreeType = + IntrusiveRedBlackTree<Derived, IntrusiveRedBlackTreeMemberTraitsDeferredAssert, Comparator>; + using TreeTypeImpl = impl::IntrusiveRedBlackTreeImpl; + + static constexpr bool IsValid() { + TypedStorage<Derived> DerivedStorage = {}; + return GetParent(GetNode(GetPointer(DerivedStorage))) == GetPointer(DerivedStorage); + } + +private: + template <class, class, class> + friend class IntrusiveRedBlackTree; + + friend class impl::IntrusiveRedBlackTreeImpl; + + static constexpr IntrusiveRedBlackTreeNode* GetNode(Derived* parent) { + return std::addressof(parent->*Member); + } + + static constexpr IntrusiveRedBlackTreeNode const* GetNode(Derived const* parent) { + return std::addressof(parent->*Member); + } + + static constexpr Derived* GetParent(IntrusiveRedBlackTreeNode* node) { + return GetParentPointer<Member, Derived>(node); + } + + static constexpr Derived const* GetParent(const IntrusiveRedBlackTreeNode* node) { + return GetParentPointer<Member, Derived>(node); + } +}; + +template <class Derived> +class IntrusiveRedBlackTreeBaseNode : public IntrusiveRedBlackTreeNode { +public: + constexpr Derived* GetPrev() { + return static_cast<Derived*>(impl::IntrusiveRedBlackTreeImpl::GetPrev(this)); + } + constexpr const Derived* GetPrev() const { + return static_cast<const Derived*>(impl::IntrusiveRedBlackTreeImpl::GetPrev(this)); + } + + constexpr Derived* GetNext() { + return static_cast<Derived*>(impl::IntrusiveRedBlackTreeImpl::GetNext(this)); + } + constexpr const Derived* GetNext() const { + return static_cast<const Derived*>(impl::IntrusiveRedBlackTreeImpl::GetNext(this)); + } +}; + +template <class Derived> +class IntrusiveRedBlackTreeBaseTraits { +public: + template <class Comparator> + using TreeType = IntrusiveRedBlackTree<Derived, IntrusiveRedBlackTreeBaseTraits, Comparator>; + using TreeTypeImpl = impl::IntrusiveRedBlackTreeImpl; + +private: + template <class, class, class> + friend class IntrusiveRedBlackTree; + + friend class impl::IntrusiveRedBlackTreeImpl; + + static constexpr IntrusiveRedBlackTreeNode* GetNode(Derived* parent) { + return static_cast<IntrusiveRedBlackTreeNode*>(parent); + } + + static constexpr IntrusiveRedBlackTreeNode const* GetNode(Derived const* parent) { + return static_cast<const IntrusiveRedBlackTreeNode*>(parent); + } + + static constexpr Derived* GetParent(IntrusiveRedBlackTreeNode* node) { + return static_cast<Derived*>(node); + } + + static constexpr Derived const* GetParent(const IntrusiveRedBlackTreeNode* node) { + return static_cast<const Derived*>(node); + } +}; + +} // namespace Common diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp index 631f64d05..2d4d2e9e7 100644 --- a/src/common/logging/backend.cpp +++ b/src/common/logging/backend.cpp @@ -145,10 +145,18 @@ void ColorConsoleBackend::Write(const Entry& entry) { PrintColoredMessage(entry); } -// _SH_DENYWR allows read only access to the file for other programs. -// It is #defined to 0 on other platforms -FileBackend::FileBackend(const std::string& filename) - : file(filename, "w", _SH_DENYWR), bytes_written(0) {} +FileBackend::FileBackend(const std::string& filename) : bytes_written(0) { + if (Common::FS::Exists(filename + ".old.txt")) { + Common::FS::Delete(filename + ".old.txt"); + } + if (Common::FS::Exists(filename)) { + Common::FS::Rename(filename, filename + ".old.txt"); + } + + // _SH_DENYWR allows read only access to the file for other programs. + // It is #defined to 0 on other platforms + file = Common::FS::IOFile(filename, "w", _SH_DENYWR); +} void FileBackend::Write(const Entry& entry) { // prevent logs from going over the maximum size (in case its spamming and the user doesn't diff --git a/src/common/page_table.h b/src/common/page_table.h index 0c14e6433..61c5552e0 100644 --- a/src/common/page_table.h +++ b/src/common/page_table.h @@ -90,7 +90,7 @@ struct PageTable { PageTable& operator=(PageTable&&) noexcept = default; /** - * Resizes the page table to be able to accomodate enough pages within + * Resizes the page table to be able to accommodate enough pages within * a given address space. * * @param address_space_width_in_bits The address size width in bits. diff --git a/src/common/parent_of_member.h b/src/common/parent_of_member.h new file mode 100644 index 000000000..d9a14529d --- /dev/null +++ b/src/common/parent_of_member.h @@ -0,0 +1,191 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <type_traits> + +#include "common/assert.h" +#include "common/common_types.h" + +namespace Common { +namespace detail { +template <typename T, size_t Size, size_t Align> +struct TypedStorageImpl { + std::aligned_storage_t<Size, Align> storage_; +}; +} // namespace detail + +template <typename T> +using TypedStorage = detail::TypedStorageImpl<T, sizeof(T), alignof(T)>; + +template <typename T> +static constexpr T* GetPointer(TypedStorage<T>& ts) { + return static_cast<T*>(static_cast<void*>(std::addressof(ts.storage_))); +} + +template <typename T> +static constexpr const T* GetPointer(const TypedStorage<T>& ts) { + return static_cast<const T*>(static_cast<const void*>(std::addressof(ts.storage_))); +} + +namespace impl { + +template <size_t MaxDepth> +struct OffsetOfUnionHolder { + template <typename ParentType, typename MemberType, size_t Offset> + union UnionImpl { + using PaddingMember = char; + static constexpr size_t GetOffset() { + return Offset; + } + +#pragma pack(push, 1) + struct { + PaddingMember padding[Offset]; + MemberType members[(sizeof(ParentType) / sizeof(MemberType)) + 1]; + } data; +#pragma pack(pop) + UnionImpl<ParentType, MemberType, Offset + 1> next_union; + }; + + template <typename ParentType, typename MemberType> + union UnionImpl<ParentType, MemberType, 0> { + static constexpr size_t GetOffset() { + return 0; + } + + struct { + MemberType members[(sizeof(ParentType) / sizeof(MemberType)) + 1]; + } data; + UnionImpl<ParentType, MemberType, 1> next_union; + }; + + template <typename ParentType, typename MemberType> + union UnionImpl<ParentType, MemberType, MaxDepth> {}; +}; + +template <typename ParentType, typename MemberType> +struct OffsetOfCalculator { + using UnionHolder = + typename OffsetOfUnionHolder<sizeof(MemberType)>::template UnionImpl<ParentType, MemberType, + 0>; + union Union { + char c{}; + UnionHolder first_union; + TypedStorage<ParentType> parent; + + constexpr Union() : c() {} + }; + static constexpr Union U = {}; + + static constexpr const MemberType* GetNextAddress(const MemberType* start, + const MemberType* target) { + while (start < target) { + start++; + } + return start; + } + + static constexpr std::ptrdiff_t GetDifference(const MemberType* start, + const MemberType* target) { + return (target - start) * sizeof(MemberType); + } + + template <typename CurUnion> + static constexpr std::ptrdiff_t OffsetOfImpl(MemberType ParentType::*member, + CurUnion& cur_union) { + constexpr size_t Offset = CurUnion::GetOffset(); + const auto target = std::addressof(GetPointer(U.parent)->*member); + const auto start = std::addressof(cur_union.data.members[0]); + const auto next = GetNextAddress(start, target); + + if (next != target) { + if constexpr (Offset < sizeof(MemberType) - 1) { + return OffsetOfImpl(member, cur_union.next_union); + } else { + UNREACHABLE(); + } + } + + return (next - start) * sizeof(MemberType) + Offset; + } + + static constexpr std::ptrdiff_t OffsetOf(MemberType ParentType::*member) { + return OffsetOfImpl(member, U.first_union); + } +}; + +template <typename T> +struct GetMemberPointerTraits; + +template <typename P, typename M> +struct GetMemberPointerTraits<M P::*> { + using Parent = P; + using Member = M; +}; + +template <auto MemberPtr> +using GetParentType = typename GetMemberPointerTraits<decltype(MemberPtr)>::Parent; + +template <auto MemberPtr> +using GetMemberType = typename GetMemberPointerTraits<decltype(MemberPtr)>::Member; + +template <auto MemberPtr, typename RealParentType = GetParentType<MemberPtr>> +static inline std::ptrdiff_t OffsetOf = [] { + using DeducedParentType = GetParentType<MemberPtr>; + using MemberType = GetMemberType<MemberPtr>; + static_assert(std::is_base_of<DeducedParentType, RealParentType>::value || + std::is_same<RealParentType, DeducedParentType>::value); + + return OffsetOfCalculator<RealParentType, MemberType>::OffsetOf(MemberPtr); +}(); + +} // namespace impl + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType& GetParentReference(impl::GetMemberType<MemberPtr>* member) { + std::ptrdiff_t Offset = impl::OffsetOf<MemberPtr, RealParentType>; + return *static_cast<RealParentType*>( + static_cast<void*>(static_cast<uint8_t*>(static_cast<void*>(member)) - Offset)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType const& GetParentReference(impl::GetMemberType<MemberPtr> const* member) { + std::ptrdiff_t Offset = impl::OffsetOf<MemberPtr, RealParentType>; + return *static_cast<const RealParentType*>(static_cast<const void*>( + static_cast<const uint8_t*>(static_cast<const void*>(member)) - Offset)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType* GetParentPointer(impl::GetMemberType<MemberPtr>* member) { + return std::addressof(GetParentReference<MemberPtr, RealParentType>(member)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType const* GetParentPointer(impl::GetMemberType<MemberPtr> const* member) { + return std::addressof(GetParentReference<MemberPtr, RealParentType>(member)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType& GetParentReference(impl::GetMemberType<MemberPtr>& member) { + return GetParentReference<MemberPtr, RealParentType>(std::addressof(member)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType const& GetParentReference(impl::GetMemberType<MemberPtr> const& member) { + return GetParentReference<MemberPtr, RealParentType>(std::addressof(member)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType* GetParentPointer(impl::GetMemberType<MemberPtr>& member) { + return std::addressof(GetParentReference<MemberPtr, RealParentType>(member)); +} + +template <auto MemberPtr, typename RealParentType = impl::GetParentType<MemberPtr>> +constexpr RealParentType const* GetParentPointer(impl::GetMemberType<MemberPtr> const& member) { + return std::addressof(GetParentReference<MemberPtr, RealParentType>(member)); +} + +} // namespace Common diff --git a/src/common/swap.h b/src/common/swap.h index 7665942a2..a80e191dc 100644 --- a/src/common/swap.h +++ b/src/common/swap.h @@ -394,7 +394,7 @@ public: template <typename S, typename T2, typename F2> friend S operator%(const S& p, const swapped_t v); - // Arithmetics + assignements + // Arithmetics + assignments template <typename S, typename T2, typename F2> friend S operator+=(const S& p, const swapped_t v); @@ -451,7 +451,7 @@ S operator%(const S& i, const swap_struct_t<T, F> v) { return i % v.swap(); } -// Arithmetics + assignements +// Arithmetics + assignments template <typename S, typename T, typename F> S& operator+=(S& i, const swap_struct_t<T, F> v) { i += v.swap(); diff --git a/src/common/timer.cpp b/src/common/timer.cpp deleted file mode 100644 index d17dc2a50..000000000 --- a/src/common/timer.cpp +++ /dev/null @@ -1,159 +0,0 @@ -// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include <ctime> -#include <fmt/format.h> -#include "common/common_types.h" -#include "common/string_util.h" -#include "common/timer.h" - -namespace Common { - -std::chrono::milliseconds Timer::GetTimeMs() { - return std::chrono::duration_cast<std::chrono::milliseconds>( - std::chrono::system_clock::now().time_since_epoch()); -} - -// -------------------------------------------- -// Initiate, Start, Stop, and Update the time -// -------------------------------------------- - -// Set initial values for the class -Timer::Timer() : m_LastTime(0), m_StartTime(0), m_Running(false) { - Update(); -} - -// Write the starting time -void Timer::Start() { - m_StartTime = GetTimeMs(); - m_Running = true; -} - -// Stop the timer -void Timer::Stop() { - // Write the final time - m_LastTime = GetTimeMs(); - m_Running = false; -} - -// Update the last time variable -void Timer::Update() { - m_LastTime = GetTimeMs(); - // TODO(ector) - QPF -} - -// ------------------------------------- -// Get time difference and elapsed time -// ------------------------------------- - -// Get the number of milliseconds since the last Update() -std::chrono::milliseconds Timer::GetTimeDifference() { - return GetTimeMs() - m_LastTime; -} - -// Add the time difference since the last Update() to the starting time. -// This is used to compensate for a paused game. -void Timer::AddTimeDifference() { - m_StartTime += GetTimeDifference(); -} - -// Get the time elapsed since the Start() -std::chrono::milliseconds Timer::GetTimeElapsed() { - // If we have not started yet, return 1 (because then I don't - // have to change the FPS calculation in CoreRerecording.cpp . - if (m_StartTime.count() == 0) - return std::chrono::milliseconds(1); - - // Return the final timer time if the timer is stopped - if (!m_Running) - return (m_LastTime - m_StartTime); - - return (GetTimeMs() - m_StartTime); -} - -// Get the formatted time elapsed since the Start() -std::string Timer::GetTimeElapsedFormatted() const { - // If we have not started yet, return zero - if (m_StartTime.count() == 0) - return "00:00:00:000"; - - // The number of milliseconds since the start. - // Use a different value if the timer is stopped. - std::chrono::milliseconds Milliseconds; - if (m_Running) - Milliseconds = GetTimeMs() - m_StartTime; - else - Milliseconds = m_LastTime - m_StartTime; - // Seconds - std::chrono::seconds Seconds = std::chrono::duration_cast<std::chrono::seconds>(Milliseconds); - // Minutes - std::chrono::minutes Minutes = std::chrono::duration_cast<std::chrono::minutes>(Milliseconds); - // Hours - std::chrono::hours Hours = std::chrono::duration_cast<std::chrono::hours>(Milliseconds); - - std::string TmpStr = fmt::format("{:02}:{:02}:{:02}:{:03}", Hours.count(), Minutes.count() % 60, - Seconds.count() % 60, Milliseconds.count() % 1000); - return TmpStr; -} - -// Get the number of seconds since January 1 1970 -std::chrono::seconds Timer::GetTimeSinceJan1970() { - return std::chrono::duration_cast<std::chrono::seconds>(GetTimeMs()); -} - -std::chrono::seconds Timer::GetLocalTimeSinceJan1970() { - time_t sysTime, tzDiff, tzDST; - struct tm* gmTime; - - time(&sysTime); - - // Account for DST where needed - gmTime = localtime(&sysTime); - if (gmTime->tm_isdst == 1) - tzDST = 3600; - else - tzDST = 0; - - // Lazy way to get local time in sec - gmTime = gmtime(&sysTime); - tzDiff = sysTime - mktime(gmTime); - - return std::chrono::seconds(sysTime + tzDiff + tzDST); -} - -// Return the current time formatted as Minutes:Seconds:Milliseconds -// in the form 00:00:000. -std::string Timer::GetTimeFormatted() { - time_t sysTime; - struct tm* gmTime; - char tmp[13]; - - time(&sysTime); - gmTime = localtime(&sysTime); - - strftime(tmp, 6, "%M:%S", gmTime); - - u64 milliseconds = static_cast<u64>(GetTimeMs().count()) % 1000; - return fmt::format("{}:{:03}", tmp, milliseconds); -} - -// Returns a timestamp with decimals for precise time comparisons -// ---------------- -double Timer::GetDoubleTime() { - // Get continuous timestamp - auto tmp_seconds = static_cast<u64>(GetTimeSinceJan1970().count()); - const auto ms = static_cast<double>(static_cast<u64>(GetTimeMs().count()) % 1000); - - // Remove a few years. We only really want enough seconds to make - // sure that we are detecting actual actions, perhaps 60 seconds is - // enough really, but I leave a year of seconds anyway, in case the - // user's clock is incorrect or something like that. - tmp_seconds = tmp_seconds - (38 * 365 * 24 * 60 * 60); - - // Make a smaller integer that fits in the double - const auto seconds = static_cast<u32>(tmp_seconds); - return seconds + ms; -} - -} // Namespace Common diff --git a/src/common/timer.h b/src/common/timer.h deleted file mode 100644 index 8894a143d..000000000 --- a/src/common/timer.h +++ /dev/null @@ -1,41 +0,0 @@ -// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <chrono> -#include <string> -#include "common/common_types.h" - -namespace Common { -class Timer { -public: - Timer(); - - void Start(); - void Stop(); - void Update(); - - // The time difference is always returned in milliseconds, regardless of alternative internal - // representation - [[nodiscard]] std::chrono::milliseconds GetTimeDifference(); - void AddTimeDifference(); - - [[nodiscard]] static std::chrono::seconds GetTimeSinceJan1970(); - [[nodiscard]] static std::chrono::seconds GetLocalTimeSinceJan1970(); - [[nodiscard]] static double GetDoubleTime(); - - [[nodiscard]] static std::string GetTimeFormatted(); - [[nodiscard]] std::string GetTimeElapsedFormatted() const; - [[nodiscard]] std::chrono::milliseconds GetTimeElapsed(); - - [[nodiscard]] static std::chrono::milliseconds GetTimeMs(); - -private: - std::chrono::milliseconds m_LastTime; - std::chrono::milliseconds m_StartTime; - bool m_Running; -}; - -} // Namespace Common diff --git a/src/common/tree.h b/src/common/tree.h new file mode 100644 index 000000000..3da49e422 --- /dev/null +++ b/src/common/tree.h @@ -0,0 +1,674 @@ +/* $NetBSD: tree.h,v 1.8 2004/03/28 19:38:30 provos Exp $ */ +/* $OpenBSD: tree.h,v 1.7 2002/10/17 21:51:54 art Exp $ */ +/* $FreeBSD$ */ + +/*- + * Copyright 2002 Niels Provos <provos@citi.umich.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +/* + * This file defines data structures for red-black trees. + * + * A red-black tree is a binary search tree with the node color as an + * extra attribute. It fulfills a set of conditions: + * - every search path from the root to a leaf consists of the + * same number of black nodes, + * - each red node (except for the root) has a black parent, + * - each leaf node is black. + * + * Every operation on a red-black tree is bounded as O(lg n). + * The maximum height of a red-black tree is 2lg (n+1). + */ + +namespace Common { +template <typename T> +class RBHead { +public: + [[nodiscard]] T* Root() { + return rbh_root; + } + + [[nodiscard]] const T* Root() const { + return rbh_root; + } + + void SetRoot(T* root) { + rbh_root = root; + } + + [[nodiscard]] bool IsEmpty() const { + return Root() == nullptr; + } + +private: + T* rbh_root = nullptr; +}; + +enum class EntryColor { + Black, + Red, +}; + +template <typename T> +class RBEntry { +public: + [[nodiscard]] T* Left() { + return rbe_left; + } + + [[nodiscard]] const T* Left() const { + return rbe_left; + } + + void SetLeft(T* left) { + rbe_left = left; + } + + [[nodiscard]] T* Right() { + return rbe_right; + } + + [[nodiscard]] const T* Right() const { + return rbe_right; + } + + void SetRight(T* right) { + rbe_right = right; + } + + [[nodiscard]] T* Parent() { + return rbe_parent; + } + + [[nodiscard]] const T* Parent() const { + return rbe_parent; + } + + void SetParent(T* parent) { + rbe_parent = parent; + } + + [[nodiscard]] bool IsBlack() const { + return rbe_color == EntryColor::Black; + } + + [[nodiscard]] bool IsRed() const { + return rbe_color == EntryColor::Red; + } + + [[nodiscard]] EntryColor Color() const { + return rbe_color; + } + + void SetColor(EntryColor color) { + rbe_color = color; + } + +private: + T* rbe_left = nullptr; + T* rbe_right = nullptr; + T* rbe_parent = nullptr; + EntryColor rbe_color{}; +}; + +template <typename Node> +[[nodiscard]] RBEntry<Node>& RB_ENTRY(Node* node) { + return node->GetEntry(); +} + +template <typename Node> +[[nodiscard]] const RBEntry<Node>& RB_ENTRY(const Node* node) { + return node->GetEntry(); +} + +template <typename Node> +[[nodiscard]] Node* RB_PARENT(Node* node) { + return RB_ENTRY(node).Parent(); +} + +template <typename Node> +[[nodiscard]] const Node* RB_PARENT(const Node* node) { + return RB_ENTRY(node).Parent(); +} + +template <typename Node> +void RB_SET_PARENT(Node* node, Node* parent) { + return RB_ENTRY(node).SetParent(parent); +} + +template <typename Node> +[[nodiscard]] Node* RB_LEFT(Node* node) { + return RB_ENTRY(node).Left(); +} + +template <typename Node> +[[nodiscard]] const Node* RB_LEFT(const Node* node) { + return RB_ENTRY(node).Left(); +} + +template <typename Node> +void RB_SET_LEFT(Node* node, Node* left) { + return RB_ENTRY(node).SetLeft(left); +} + +template <typename Node> +[[nodiscard]] Node* RB_RIGHT(Node* node) { + return RB_ENTRY(node).Right(); +} + +template <typename Node> +[[nodiscard]] const Node* RB_RIGHT(const Node* node) { + return RB_ENTRY(node).Right(); +} + +template <typename Node> +void RB_SET_RIGHT(Node* node, Node* right) { + return RB_ENTRY(node).SetRight(right); +} + +template <typename Node> +[[nodiscard]] bool RB_IS_BLACK(const Node* node) { + return RB_ENTRY(node).IsBlack(); +} + +template <typename Node> +[[nodiscard]] bool RB_IS_RED(const Node* node) { + return RB_ENTRY(node).IsRed(); +} + +template <typename Node> +[[nodiscard]] EntryColor RB_COLOR(const Node* node) { + return RB_ENTRY(node).Color(); +} + +template <typename Node> +void RB_SET_COLOR(Node* node, EntryColor color) { + return RB_ENTRY(node).SetColor(color); +} + +template <typename Node> +void RB_SET(Node* node, Node* parent) { + auto& entry = RB_ENTRY(node); + entry.SetParent(parent); + entry.SetLeft(nullptr); + entry.SetRight(nullptr); + entry.SetColor(EntryColor::Red); +} + +template <typename Node> +void RB_SET_BLACKRED(Node* black, Node* red) { + RB_SET_COLOR(black, EntryColor::Black); + RB_SET_COLOR(red, EntryColor::Red); +} + +template <typename Node> +void RB_ROTATE_LEFT(RBHead<Node>* head, Node* elm, Node*& tmp) { + tmp = RB_RIGHT(elm); + RB_SET_RIGHT(elm, RB_LEFT(tmp)); + if (RB_RIGHT(elm) != nullptr) { + RB_SET_PARENT(RB_LEFT(tmp), elm); + } + + RB_SET_PARENT(tmp, RB_PARENT(elm)); + if (RB_PARENT(tmp) != nullptr) { + if (elm == RB_LEFT(RB_PARENT(elm))) { + RB_SET_LEFT(RB_PARENT(elm), tmp); + } else { + RB_SET_RIGHT(RB_PARENT(elm), tmp); + } + } else { + head->SetRoot(tmp); + } + + RB_SET_LEFT(tmp, elm); + RB_SET_PARENT(elm, tmp); +} + +template <typename Node> +void RB_ROTATE_RIGHT(RBHead<Node>* head, Node* elm, Node*& tmp) { + tmp = RB_LEFT(elm); + RB_SET_LEFT(elm, RB_RIGHT(tmp)); + if (RB_LEFT(elm) != nullptr) { + RB_SET_PARENT(RB_RIGHT(tmp), elm); + } + + RB_SET_PARENT(tmp, RB_PARENT(elm)); + if (RB_PARENT(tmp) != nullptr) { + if (elm == RB_LEFT(RB_PARENT(elm))) { + RB_SET_LEFT(RB_PARENT(elm), tmp); + } else { + RB_SET_RIGHT(RB_PARENT(elm), tmp); + } + } else { + head->SetRoot(tmp); + } + + RB_SET_RIGHT(tmp, elm); + RB_SET_PARENT(elm, tmp); +} + +template <typename Node> +void RB_INSERT_COLOR(RBHead<Node>* head, Node* elm) { + Node* parent = nullptr; + Node* tmp = nullptr; + + while ((parent = RB_PARENT(elm)) != nullptr && RB_IS_RED(parent)) { + Node* gparent = RB_PARENT(parent); + if (parent == RB_LEFT(gparent)) { + tmp = RB_RIGHT(gparent); + if (tmp && RB_IS_RED(tmp)) { + RB_SET_COLOR(tmp, EntryColor::Black); + RB_SET_BLACKRED(parent, gparent); + elm = gparent; + continue; + } + + if (RB_RIGHT(parent) == elm) { + RB_ROTATE_LEFT(head, parent, tmp); + tmp = parent; + parent = elm; + elm = tmp; + } + + RB_SET_BLACKRED(parent, gparent); + RB_ROTATE_RIGHT(head, gparent, tmp); + } else { + tmp = RB_LEFT(gparent); + if (tmp && RB_IS_RED(tmp)) { + RB_SET_COLOR(tmp, EntryColor::Black); + RB_SET_BLACKRED(parent, gparent); + elm = gparent; + continue; + } + + if (RB_LEFT(parent) == elm) { + RB_ROTATE_RIGHT(head, parent, tmp); + tmp = parent; + parent = elm; + elm = tmp; + } + + RB_SET_BLACKRED(parent, gparent); + RB_ROTATE_LEFT(head, gparent, tmp); + } + } + + RB_SET_COLOR(head->Root(), EntryColor::Black); +} + +template <typename Node> +void RB_REMOVE_COLOR(RBHead<Node>* head, Node* parent, Node* elm) { + Node* tmp; + while ((elm == nullptr || RB_IS_BLACK(elm)) && elm != head->Root()) { + if (RB_LEFT(parent) == elm) { + tmp = RB_RIGHT(parent); + if (RB_IS_RED(tmp)) { + RB_SET_BLACKRED(tmp, parent); + RB_ROTATE_LEFT(head, parent, tmp); + tmp = RB_RIGHT(parent); + } + + if ((RB_LEFT(tmp) == nullptr || RB_IS_BLACK(RB_LEFT(tmp))) && + (RB_RIGHT(tmp) == nullptr || RB_IS_BLACK(RB_RIGHT(tmp)))) { + RB_SET_COLOR(tmp, EntryColor::Red); + elm = parent; + parent = RB_PARENT(elm); + } else { + if (RB_RIGHT(tmp) == nullptr || RB_IS_BLACK(RB_RIGHT(tmp))) { + Node* oleft; + if ((oleft = RB_LEFT(tmp)) != nullptr) { + RB_SET_COLOR(oleft, EntryColor::Black); + } + + RB_SET_COLOR(tmp, EntryColor::Red); + RB_ROTATE_RIGHT(head, tmp, oleft); + tmp = RB_RIGHT(parent); + } + + RB_SET_COLOR(tmp, RB_COLOR(parent)); + RB_SET_COLOR(parent, EntryColor::Black); + if (RB_RIGHT(tmp)) { + RB_SET_COLOR(RB_RIGHT(tmp), EntryColor::Black); + } + + RB_ROTATE_LEFT(head, parent, tmp); + elm = head->Root(); + break; + } + } else { + tmp = RB_LEFT(parent); + if (RB_IS_RED(tmp)) { + RB_SET_BLACKRED(tmp, parent); + RB_ROTATE_RIGHT(head, parent, tmp); + tmp = RB_LEFT(parent); + } + + if ((RB_LEFT(tmp) == nullptr || RB_IS_BLACK(RB_LEFT(tmp))) && + (RB_RIGHT(tmp) == nullptr || RB_IS_BLACK(RB_RIGHT(tmp)))) { + RB_SET_COLOR(tmp, EntryColor::Red); + elm = parent; + parent = RB_PARENT(elm); + } else { + if (RB_LEFT(tmp) == nullptr || RB_IS_BLACK(RB_LEFT(tmp))) { + Node* oright; + if ((oright = RB_RIGHT(tmp)) != nullptr) { + RB_SET_COLOR(oright, EntryColor::Black); + } + + RB_SET_COLOR(tmp, EntryColor::Red); + RB_ROTATE_LEFT(head, tmp, oright); + tmp = RB_LEFT(parent); + } + + RB_SET_COLOR(tmp, RB_COLOR(parent)); + RB_SET_COLOR(parent, EntryColor::Black); + + if (RB_LEFT(tmp)) { + RB_SET_COLOR(RB_LEFT(tmp), EntryColor::Black); + } + + RB_ROTATE_RIGHT(head, parent, tmp); + elm = head->Root(); + break; + } + } + } + + if (elm) { + RB_SET_COLOR(elm, EntryColor::Black); + } +} + +template <typename Node> +Node* RB_REMOVE(RBHead<Node>* head, Node* elm) { + Node* child = nullptr; + Node* parent = nullptr; + Node* old = elm; + EntryColor color{}; + + const auto finalize = [&] { + if (color == EntryColor::Black) { + RB_REMOVE_COLOR(head, parent, child); + } + + return old; + }; + + if (RB_LEFT(elm) == nullptr) { + child = RB_RIGHT(elm); + } else if (RB_RIGHT(elm) == nullptr) { + child = RB_LEFT(elm); + } else { + Node* left; + elm = RB_RIGHT(elm); + while ((left = RB_LEFT(elm)) != nullptr) { + elm = left; + } + + child = RB_RIGHT(elm); + parent = RB_PARENT(elm); + color = RB_COLOR(elm); + + if (child) { + RB_SET_PARENT(child, parent); + } + if (parent) { + if (RB_LEFT(parent) == elm) { + RB_SET_LEFT(parent, child); + } else { + RB_SET_RIGHT(parent, child); + } + } else { + head->SetRoot(child); + } + + if (RB_PARENT(elm) == old) { + parent = elm; + } + + elm->SetEntry(old->GetEntry()); + + if (RB_PARENT(old)) { + if (RB_LEFT(RB_PARENT(old)) == old) { + RB_SET_LEFT(RB_PARENT(old), elm); + } else { + RB_SET_RIGHT(RB_PARENT(old), elm); + } + } else { + head->SetRoot(elm); + } + RB_SET_PARENT(RB_LEFT(old), elm); + if (RB_RIGHT(old)) { + RB_SET_PARENT(RB_RIGHT(old), elm); + } + if (parent) { + left = parent; + } + + return finalize(); + } + + parent = RB_PARENT(elm); + color = RB_COLOR(elm); + + if (child) { + RB_SET_PARENT(child, parent); + } + if (parent) { + if (RB_LEFT(parent) == elm) { + RB_SET_LEFT(parent, child); + } else { + RB_SET_RIGHT(parent, child); + } + } else { + head->SetRoot(child); + } + + return finalize(); +} + +// Inserts a node into the RB tree +template <typename Node, typename CompareFunction> +Node* RB_INSERT(RBHead<Node>* head, Node* elm, CompareFunction cmp) { + Node* parent = nullptr; + Node* tmp = head->Root(); + int comp = 0; + + while (tmp) { + parent = tmp; + comp = cmp(elm, parent); + if (comp < 0) { + tmp = RB_LEFT(tmp); + } else if (comp > 0) { + tmp = RB_RIGHT(tmp); + } else { + return tmp; + } + } + + RB_SET(elm, parent); + + if (parent != nullptr) { + if (comp < 0) { + RB_SET_LEFT(parent, elm); + } else { + RB_SET_RIGHT(parent, elm); + } + } else { + head->SetRoot(elm); + } + + RB_INSERT_COLOR(head, elm); + return nullptr; +} + +// Finds the node with the same key as elm +template <typename Node, typename CompareFunction> +Node* RB_FIND(RBHead<Node>* head, Node* elm, CompareFunction cmp) { + Node* tmp = head->Root(); + + while (tmp) { + const int comp = cmp(elm, tmp); + if (comp < 0) { + tmp = RB_LEFT(tmp); + } else if (comp > 0) { + tmp = RB_RIGHT(tmp); + } else { + return tmp; + } + } + + return nullptr; +} + +// Finds the first node greater than or equal to the search key +template <typename Node, typename CompareFunction> +Node* RB_NFIND(RBHead<Node>* head, Node* elm, CompareFunction cmp) { + Node* tmp = head->Root(); + Node* res = nullptr; + + while (tmp) { + const int comp = cmp(elm, tmp); + if (comp < 0) { + res = tmp; + tmp = RB_LEFT(tmp); + } else if (comp > 0) { + tmp = RB_RIGHT(tmp); + } else { + return tmp; + } + } + + return res; +} + +// Finds the node with the same key as lelm +template <typename Node, typename CompareFunction> +Node* RB_FIND_LIGHT(RBHead<Node>* head, const void* lelm, CompareFunction lcmp) { + Node* tmp = head->Root(); + + while (tmp) { + const int comp = lcmp(lelm, tmp); + if (comp < 0) { + tmp = RB_LEFT(tmp); + } else if (comp > 0) { + tmp = RB_RIGHT(tmp); + } else { + return tmp; + } + } + + return nullptr; +} + +// Finds the first node greater than or equal to the search key +template <typename Node, typename CompareFunction> +Node* RB_NFIND_LIGHT(RBHead<Node>* head, const void* lelm, CompareFunction lcmp) { + Node* tmp = head->Root(); + Node* res = nullptr; + + while (tmp) { + const int comp = lcmp(lelm, tmp); + if (comp < 0) { + res = tmp; + tmp = RB_LEFT(tmp); + } else if (comp > 0) { + tmp = RB_RIGHT(tmp); + } else { + return tmp; + } + } + + return res; +} + +template <typename Node> +Node* RB_NEXT(Node* elm) { + if (RB_RIGHT(elm)) { + elm = RB_RIGHT(elm); + while (RB_LEFT(elm)) { + elm = RB_LEFT(elm); + } + } else { + if (RB_PARENT(elm) && (elm == RB_LEFT(RB_PARENT(elm)))) { + elm = RB_PARENT(elm); + } else { + while (RB_PARENT(elm) && (elm == RB_RIGHT(RB_PARENT(elm)))) { + elm = RB_PARENT(elm); + } + elm = RB_PARENT(elm); + } + } + return elm; +} + +template <typename Node> +Node* RB_PREV(Node* elm) { + if (RB_LEFT(elm)) { + elm = RB_LEFT(elm); + while (RB_RIGHT(elm)) { + elm = RB_RIGHT(elm); + } + } else { + if (RB_PARENT(elm) && (elm == RB_RIGHT(RB_PARENT(elm)))) { + elm = RB_PARENT(elm); + } else { + while (RB_PARENT(elm) && (elm == RB_LEFT(RB_PARENT(elm)))) { + elm = RB_PARENT(elm); + } + elm = RB_PARENT(elm); + } + } + return elm; +} + +template <typename Node> +Node* RB_MINMAX(RBHead<Node>* head, bool is_min) { + Node* tmp = head->Root(); + Node* parent = nullptr; + + while (tmp) { + parent = tmp; + if (is_min) { + tmp = RB_LEFT(tmp); + } else { + tmp = RB_RIGHT(tmp); + } + } + + return parent; +} + +template <typename Node> +Node* RB_MIN(RBHead<Node>* head) { + return RB_MINMAX(head, true); +} + +template <typename Node> +Node* RB_MAX(RBHead<Node>* head) { + return RB_MINMAX(head, false); +} +} // namespace Common |