522 lines
27 KiB
C++
522 lines
27 KiB
C++
#pragma once
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#include "dqn.h"
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/*
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// $$\ $$\ $$$$$$$$\ $$\ $$$$$$$\ $$$$$$$$\ $$$$$$$\ $$$$$$\
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// $$ | $$ |$$ _____|$$ | $$ __$$\ $$ _____|$$ __$$\ $$ __$$\
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// $$ | $$ |$$ | $$ | $$ | $$ |$$ | $$ | $$ |$$ / \__|
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// $$$$$$$$ |$$$$$\ $$ | $$$$$$$ |$$$$$\ $$$$$$$ |\$$$$$$\
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// $$ __$$ |$$ __| $$ | $$ ____/ $$ __| $$ __$$< \____$$\
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// $$ | $$ |$$ | $$ | $$ | $$ | $$ | $$ |$$\ $$ |
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// $$ | $$ |$$$$$$$$\ $$$$$$$$\ $$ | $$$$$$$$\ $$ | $$ |\$$$$$$ |
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// \__| \__|\________|\________|\__| \________|\__| \__| \______/
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//
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// dqn_helpers.h -- Helper functions/data structures
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// [$PCG3] Dqn_PCG32 -- -- RNG from the PCG family
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// [$JSON] Dqn_JSONBuilder -- DQN_JSON_BUILDER -- Construct json output
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// [$BHEX] Dqn_Bin -- DQN_BIN -- Binary <-> hex helpers
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// [$BSEA] Dqn_BinarySearch -- -- Binary search
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// [$BITS] Dqn_Bit -- -- Bitset manipulation
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// [$SAFE] Dqn_Safe -- -- Safe arithmetic, casts, asserts
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// [$MISC] Misc -- -- Uncategorised helper functions
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// [$DLIB] Dqn_Library -- -- Globally shared runtime data for this library
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// [$PROF] Dqn_Profiler -- DQN_PROFILER -- Profiler that measures using a timestamp counter
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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*/
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// NOTE: [$PCGX] Dqn_PCG32 /////////////////////////////////////////////////////////////////////////
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struct Dqn_PCG32 { uint64_t state; };
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#if !defined(DQN_NO_JSON_BUILDER)
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// NOTE: [$JSON] Dqn_JSONBuilder ///////////////////////////////////////////////////////////////////
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enum Dqn_JSONBuilderItem
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{
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Dqn_JSONBuilderItem_Empty,
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Dqn_JSONBuilderItem_OpenContainer,
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Dqn_JSONBuilderItem_CloseContainer,
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Dqn_JSONBuilderItem_KeyValue,
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};
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struct Dqn_JSONBuilder
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{
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bool use_stdout; // When set, ignore the string builder and dump immediately to stdout
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Dqn_Str8Builder string_builder; // (Internal)
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int indent_level; // (Internal)
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int spaces_per_indent; // The number of spaces per indent level
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Dqn_JSONBuilderItem last_item;
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};
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#endif // !defined(DQN_NO_JSON_BUIDLER)
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// NOTE: [$BSEA] Dqn_BinarySearch //////////////////////////////////////////////////////////////////
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template <typename T>
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using Dqn_BinarySearchLessThanProc = bool(T const &lhs, T const &rhs);
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template <typename T>
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bool Dqn_BinarySearch_DefaultLessThan(T const &lhs, T const &rhs);
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enum Dqn_BinarySearchType
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{
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// Index of the match. If no match is found, found is set to false and the
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// index is set to the index where the match should be inserted/exist, if
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// it were in the array (in practice this turns out to be the first or
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// [last index + 1] of the array).
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Dqn_BinarySearchType_Match,
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// Index of the first element in the array that is `element >= find`. If no such
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// item is found or the array is empty, then, the index is set to the array
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// size and found is set to `false`.
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//
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// For example:
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// int array[] = {0, 1, 2, 3, 4, 5};
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// Dqn_BinarySearchResult result = Dqn_BinarySearch(array, DQN_ARRAY_UCOUNT(array), 4, Dqn_BinarySearchType_LowerBound);
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// printf("%zu\n", result.index); // Prints index '4'
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Dqn_BinarySearchType_LowerBound,
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// Index of the first element in the array that is `element > find`. If no such
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// item is found or the array is empty, then, the index is set to the array
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// size and found is set to `false`.
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//
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// For example:
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// int array[] = {0, 1, 2, 3, 4, 5};
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// Dqn_BinarySearchResult result = Dqn_BinarySearch(array, DQN_ARRAY_UCOUNT(array), 4, Dqn_BinarySearchType_UpperBound);
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// printf("%zu\n", result.index); // Prints index '5'
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Dqn_BinarySearchType_UpperBound,
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};
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struct Dqn_BinarySearchResult
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{
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bool found;
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Dqn_usize index;
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};
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// NOTE: [$MISC] Misc //////////////////////////////////////////////////////////////////////////////
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struct Dqn_U64Str8
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{
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char data[27+1]; // NOTE(dqn): 27 is the maximum size of uint64_t including a separator
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uint8_t size;
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};
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enum Dqn_U64ByteSizeType
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{
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Dqn_U64ByteSizeType_B,
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Dqn_U64ByteSizeType_KiB,
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Dqn_U64ByteSizeType_MiB,
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Dqn_U64ByteSizeType_GiB,
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Dqn_U64ByteSizeType_TiB,
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Dqn_U64ByteSizeType_Count,
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Dqn_U64ByteSizeType_Auto,
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};
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struct Dqn_U64ByteSize
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{
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Dqn_U64ByteSizeType type;
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Dqn_Str8 suffix; // "KiB", "MiB", "GiB" .. e.t.c
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Dqn_f64 bytes;
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};
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enum Dqn_U64AgeUnit
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{
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Dqn_U64AgeUnit_Sec = 1 << 0,
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Dqn_U64AgeUnit_Min = 1 << 1,
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Dqn_U64AgeUnit_Hr = 1 << 2,
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Dqn_U64AgeUnit_Day = 1 << 3,
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Dqn_U64AgeUnit_Week = 1 << 4,
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Dqn_U64AgeUnit_Year = 1 << 5,
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Dqn_U64AgeUnit_HMS = Dqn_U64AgeUnit_Sec | Dqn_U64AgeUnit_Min | Dqn_U64AgeUnit_Hr,
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Dqn_U64AgeUnit_All = Dqn_U64AgeUnit_HMS | Dqn_U64AgeUnit_Day | Dqn_U64AgeUnit_Week | Dqn_U64AgeUnit_Year,
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};
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struct Dqn_U64HexStr8
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{
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char data[2 /*0x*/ + 16 /*hex*/ + 1 /*null-terminator*/];
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uint8_t size;
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};
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enum Dqn_U64HexStr8Flags
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{
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Dqn_BinHexU64Str8Flags_No0xPrefix = 1 << 0, /// Remove the 0x prefix from the string
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Dqn_BinHexU64Str8Flags_UppercaseHex = 1 << 1, /// Use uppercase ascii characters for hex
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};
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#if !defined(DQN_NO_PROFILER)
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// NOTE: [$PROF] Dqn_Profiler //////////////////////////////////////////////////////////////////////
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#if !defined(DQN_PROFILER_ANCHOR_BUFFER_SIZE)
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#define DQN_PROFILER_ANCHOR_BUFFER_SIZE 128
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#endif
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struct Dqn_ProfilerAnchor
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{
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// Inclusive refers to the time spent to complete the function call
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// including all children functions.
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//
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// Exclusive refers to the time spent in the function, not including any
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// time spent in children functions that we call that are also being
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// profiled. If we recursively call into ourselves, the time we spent in
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// our function is accumulated.
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uint64_t tsc_inclusive;
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uint64_t tsc_exclusive;
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uint16_t hit_count;
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Dqn_Str8 name;
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};
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struct Dqn_ProfilerZone
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{
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uint16_t anchor_index;
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uint64_t begin_tsc;
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uint16_t parent_zone;
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uint64_t elapsed_tsc_at_zone_start;
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};
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#if defined(__cplusplus)
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struct Dqn_ProfilerZoneScope
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{
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Dqn_ProfilerZoneScope(Dqn_Str8 name, uint16_t anchor_index);
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~Dqn_ProfilerZoneScope();
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Dqn_ProfilerZone zone;
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};
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#define Dqn_Profiler_ZoneScopeWithIndex(name, anchor_index) auto DQN_UNIQUE_NAME(profile_zone_) = Dqn_ProfilerZoneScope(DQN_STR8(name), anchor_index)
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#define Dqn_Profiler_ZoneScope(name) Dqn_Profiler_ZoneScopeWithIndex(name, __COUNTER__ + 1)
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#endif
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#define Dqn_Profiler_ZoneBlockIndex(name, index) \
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for (Dqn_ProfilerZone DQN_UNIQUE_NAME(profile_zone__) = Dqn_Profiler_BeginZoneWithIndex(name, index), DQN_UNIQUE_NAME(dummy__) = {}; \
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DQN_UNIQUE_NAME(dummy__).begin_tsc == 0; \
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Dqn_Profiler_EndZone(DQN_UNIQUE_NAME(profile_zone__)), DQN_UNIQUE_NAME(dummy__).begin_tsc = 1)
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#define Dqn_Profiler_ZoneBlock(name) Dqn_Profiler_ZoneBlockIndex(DQN_STR8(name), __COUNTER__ + 1)
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enum Dqn_ProfilerAnchorBuffer
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{
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Dqn_ProfilerAnchorBuffer_Back,
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Dqn_ProfilerAnchorBuffer_Front,
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};
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struct Dqn_Profiler
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{
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Dqn_ProfilerAnchor anchors[2][DQN_PROFILER_ANCHOR_BUFFER_SIZE];
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uint8_t active_anchor_buffer;
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uint16_t parent_zone;
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};
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#endif // !defined(DQN_NO_PROFILER)
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// NOTE: [$JOBQ] Dqn_JobQueue ///////////////////////////////////////////////////////////////////////
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typedef void (Dqn_JobQueueFunc)(void *user_context);
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struct Dqn_Job
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{
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bool add_to_completion_queue;
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Dqn_Arena *arena;
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Dqn_JobQueueFunc *func;
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void *user_context;
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};
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#if !defined(DQN_JOB_QUEUE_SPMC_SIZE)
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#define DQN_JOB_QUEUE_SPMC_SIZE 128
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#endif
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struct Dqn_JobQueueSPMC
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{
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Dqn_OSMutex mutex;
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Dqn_OSSemaphore thread_wait_for_job_semaphore;
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Dqn_OSSemaphore wait_for_completion_semaphore;
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uint32_t threads_waiting_for_completion;
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Dqn_Job jobs[DQN_JOB_QUEUE_SPMC_SIZE];
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Dqn_b32 quit;
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uint32_t quit_exit_code;
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uint32_t volatile read_index;
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uint32_t volatile finish_index;
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uint32_t volatile write_index;
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Dqn_OSSemaphore complete_queue_write_semaphore;
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Dqn_Job complete_queue[DQN_JOB_QUEUE_SPMC_SIZE];
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uint32_t volatile complete_read_index;
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uint32_t volatile complete_write_index;
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};
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// NOTE: [$DLIB] Dqn_Library ///////////////////////////////////////////////////////////////////////
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// Book-keeping data for the library and allow customisation of certain features
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// provided.
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struct Dqn_Library
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{
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bool lib_init; // True if the library has been initialised via `Dqn_Library_Init`
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Dqn_TicketMutex lib_mutex;
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Dqn_TicketMutex thread_context_init_mutex;
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Dqn_Str8 exe_dir; // The directory of the current executable
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Dqn_Arena arena;
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Dqn_ChunkPool pool; // Uses 'arena' for malloc-like allocations
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Dqn_ArenaCatalog arena_catalog;
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bool slow_verification_checks; // Enable expensive library verification checks
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Dqn_CPUReport cpu_report;
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// NOTE: Logging ///////////////////////////////////////////////////////////////////////////////
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Dqn_LogProc * log_callback; // Set this pointer to override the logging routine
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void * log_user_data;
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bool log_to_file; // Output logs to file as well as standard out
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Dqn_OSFile log_file; // TODO(dqn): Hmmm, how should we do this... ?
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Dqn_TicketMutex log_file_mutex; // Is locked when instantiating the log_file for the first time
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bool log_no_colour; // Disable colours in the logging output
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// NOTE: Leak Tracing //////////////////////////////////////////////////////////////////////////
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#if defined(DQN_LEAK_TRACKING)
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Dqn_DSMap<Dqn_DebugAlloc> alloc_table;
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Dqn_TicketMutex alloc_table_mutex;
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Dqn_Arena alloc_table_arena;
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#endif
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// NOTE: Win32 /////////////////////////////////////////////////////////////////////////////////
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#if defined(DQN_OS_WIN32)
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LARGE_INTEGER win32_qpc_frequency;
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Dqn_TicketMutex win32_bcrypt_rng_mutex;
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void * win32_bcrypt_rng_handle;
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#endif
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bool win32_sym_initialised;
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// NOTE: OS ////////////////////////////////////////////////////////////////////////////////////
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uint32_t os_page_size;
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uint32_t os_alloc_granularity;
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// NOTE: Profiler //////////////////////////////////////////////////////////////////////////////
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#if !defined(DQN_NO_PROFILER)
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Dqn_Profiler *profiler;
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Dqn_Profiler profiler_default_instance;
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#endif
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} extern *g_dqn_library;
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enum Dqn_LibraryOnInit
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{
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Dqn_LibraryOnInit_Nil = 0,
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Dqn_LibraryOnInit_LogLibFeatures = 1 << 0,
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Dqn_LibraryOnInit_LogCPUFeatures = 1 << 1,
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Dqn_LibraryOnInit_LogAllFeatures = Dqn_LibraryOnInit_LogLibFeatures | Dqn_LibraryOnInit_LogCPUFeatures,
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};
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// NOTE: [$PCGX] Dqn_PCG32 /////////////////////////////////////////////////////////////////////////
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DQN_API Dqn_PCG32 Dqn_PCG32_Init (uint64_t seed);
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DQN_API uint32_t Dqn_PCG32_Next (Dqn_PCG32 *rng);
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DQN_API uint64_t Dqn_PCG32_Next64 (Dqn_PCG32 *rng);
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DQN_API uint32_t Dqn_PCG32_Range (Dqn_PCG32 *rng, uint32_t low, uint32_t high);
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DQN_API Dqn_f32 Dqn_PCG32_NextF32 (Dqn_PCG32 *rng);
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DQN_API Dqn_f64 Dqn_PCG32_NextF64 (Dqn_PCG32 *rng);
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DQN_API void Dqn_PCG32_Advance (Dqn_PCG32 *rng, uint64_t delta);
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#if !defined(DQN_NO_JSON_BUILDER)
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// NOTE: [$JSON] Dqn_JSONBuilder ///////////////////////////////////////////////////////////////////
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#define Dqn_JSONBuilder_Object(builder) \
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DQN_DEFER_LOOP(Dqn_JSONBuilder_ObjectBegin(builder), \
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Dqn_JSONBuilder_ObjectEnd(builder))
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#define Dqn_JSONBuilder_ObjectNamed(builder, name) \
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DQN_DEFER_LOOP(Dqn_JSONBuilder_ObjectBeginNamed(builder, name), \
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Dqn_JSONBuilder_ObjectEnd(builder))
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#define Dqn_JSONBuilder_Array(builder) \
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DQN_DEFER_LOOP(Dqn_JSONBuilder_ArrayBegin(builder), \
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Dqn_JSONBuilder_ArrayEnd(builder))
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#define Dqn_JSONBuilder_ArrayNamed(builder, name) \
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DQN_DEFER_LOOP(Dqn_JSONBuilder_ArrayBeginNamed(builder, name), \
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Dqn_JSONBuilder_ArrayEnd(builder))
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DQN_API Dqn_JSONBuilder Dqn_JSONBuilder_Init (Dqn_Arena *arena, int spaces_per_indent);
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DQN_API Dqn_Str8 Dqn_JSONBuilder_Build (Dqn_JSONBuilder const *builder, Dqn_Arena *arena);
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DQN_API void Dqn_JSONBuilder_KeyValue (Dqn_JSONBuilder *builder, Dqn_Str8 key, Dqn_Str8 value);
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DQN_API void Dqn_JSONBuilder_KeyValueF (Dqn_JSONBuilder *builder, Dqn_Str8 key, char const *value_fmt, ...);
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DQN_API void Dqn_JSONBuilder_ObjectBeginNamed (Dqn_JSONBuilder *builder, Dqn_Str8 name);
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DQN_API void Dqn_JSONBuilder_ObjectEnd (Dqn_JSONBuilder *builder);
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DQN_API void Dqn_JSONBuilder_ArrayBeginNamed (Dqn_JSONBuilder *builder, Dqn_Str8 name);
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DQN_API void Dqn_JSONBuilder_ArrayEnd (Dqn_JSONBuilder *builder);
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DQN_API void Dqn_JSONBuilder_Str8Named (Dqn_JSONBuilder *builder, Dqn_Str8 key, Dqn_Str8 value);
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DQN_API void Dqn_JSONBuilder_LiteralNamed (Dqn_JSONBuilder *builder, Dqn_Str8 key, Dqn_Str8 value);
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DQN_API void Dqn_JSONBuilder_U64Named (Dqn_JSONBuilder *builder, Dqn_Str8 key, uint64_t value);
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DQN_API void Dqn_JSONBuilder_I64Named (Dqn_JSONBuilder *builder, Dqn_Str8 key, int64_t value);
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DQN_API void Dqn_JSONBuilder_F64Named (Dqn_JSONBuilder *builder, Dqn_Str8 key, double value, int decimal_places);
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DQN_API void Dqn_JSONBuilder_BoolNamed (Dqn_JSONBuilder *builder, Dqn_Str8 key, bool value);
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#define Dqn_JSONBuilder_ObjectBegin(builder) Dqn_JSONBuilder_ObjectBeginNamed(builder, DQN_STR8(""))
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#define Dqn_JSONBuilder_ArrayBegin(builder) Dqn_JSONBuilder_ArrayBeginNamed(builder, DQN_STR8(""))
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#define Dqn_JSONBuilder_Str8(builder, value) Dqn_JSONBuilder_Str8Named(builder, DQN_STR8(""), value)
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#define Dqn_JSONBuilder_Literal(builder, value) Dqn_JSONBuilder_LiteralNamed(builder, DQN_STR8(""), value)
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#define Dqn_JSONBuilder_U64(builder, value) Dqn_JSONBuilder_U64Named(builder, DQN_STR8(""), value)
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#define Dqn_JSONBuilder_I64(builder, value) Dqn_JSONBuilder_I64Named(builder, DQN_STR8(""), value)
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#define Dqn_JSONBuilder_F64(builder, value) Dqn_JSONBuilder_F64Named(builder, DQN_STR8(""), value)
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#define Dqn_JSONBuilder_Bool(builder, value) Dqn_JSONBuilder_BoolNamed(builder, DQN_STR8(""), value)
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#endif // !defined(DQN_NO_JSON_BUILDER)
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// NOTE: [$BSEA] Dqn_BinarySearch //////////////////////////////////////////////////////////////////
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template <typename T> bool Dqn_BinarySearch_DefaultLessThan(T const &lhs, T const &rhs);
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template <typename T> Dqn_BinarySearchResult Dqn_BinarySearch (T const *array,
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Dqn_usize array_size,
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T const &find,
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Dqn_BinarySearchType type = Dqn_BinarySearchType_Match,
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Dqn_BinarySearchLessThanProc<T> less_than = Dqn_BinarySearch_DefaultLessThan);
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// NOTE: [$BITS] Dqn_Bit ///////////////////////////////////////////////////////////////////////////
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DQN_API void Dqn_Bit_UnsetInplace (Dqn_usize *flags, Dqn_usize bitfield);
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DQN_API void Dqn_Bit_SetInplace (Dqn_usize *flags, Dqn_usize bitfield);
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DQN_API bool Dqn_Bit_IsSet (Dqn_usize bits, Dqn_usize bits_to_set);
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DQN_API bool Dqn_Bit_IsNotSet (Dqn_usize bits, Dqn_usize bits_to_check);
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#define Dqn_Bit_ClearNextLSB(value) (value) & ((value) - 1)
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// NOTE: [$SAFE] Dqn_Safe //////////////////////////////////////////////////////////////////////////
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DQN_API int64_t Dqn_Safe_AddI64 (int64_t a, int64_t b);
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DQN_API int64_t Dqn_Safe_MulI64 (int64_t a, int64_t b);
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DQN_API uint64_t Dqn_Safe_AddU64 (uint64_t a, uint64_t b);
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DQN_API uint64_t Dqn_Safe_MulU64 (uint64_t a, uint64_t b);
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DQN_API uint64_t Dqn_Safe_SubU64 (uint64_t a, uint64_t b);
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DQN_API uint32_t Dqn_Safe_SubU32 (uint32_t a, uint32_t b);
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DQN_API int Dqn_Safe_SaturateCastUSizeToInt (Dqn_usize val);
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DQN_API int8_t Dqn_Safe_SaturateCastUSizeToI8 (Dqn_usize val);
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DQN_API int16_t Dqn_Safe_SaturateCastUSizeToI16 (Dqn_usize val);
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DQN_API int32_t Dqn_Safe_SaturateCastUSizeToI32 (Dqn_usize val);
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DQN_API int64_t Dqn_Safe_SaturateCastUSizeToI64 (Dqn_usize val);
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DQN_API int Dqn_Safe_SaturateCastU64ToInt (uint64_t val);
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DQN_API int64_t Dqn_Safe_SaturateCastU64ToI64 (uint64_t val);
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DQN_API unsigned int Dqn_Safe_SaturateCastU64ToUInt (uint64_t val);
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DQN_API uint8_t Dqn_Safe_SaturateCastU64ToU8 (uint64_t val);
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DQN_API uint16_t Dqn_Safe_SaturateCastU64ToU16 (uint64_t val);
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DQN_API uint32_t Dqn_Safe_SaturateCastU64ToU32 (uint64_t val);
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DQN_API uint8_t Dqn_Safe_SaturateCastUSizeToU8 (Dqn_usize val);
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DQN_API uint16_t Dqn_Safe_SaturateCastUSizeToU16 (Dqn_usize val);
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DQN_API uint32_t Dqn_Safe_SaturateCastUSizeToU32 (Dqn_usize val);
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DQN_API uint64_t Dqn_Safe_SaturateCastUSizeToU64 (Dqn_usize val);
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DQN_API int Dqn_Safe_SaturateCastISizeToInt (Dqn_isize val);
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DQN_API int8_t Dqn_Safe_SaturateCastISizeToI8 (Dqn_isize val);
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DQN_API int16_t Dqn_Safe_SaturateCastISizeToI16 (Dqn_isize val);
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DQN_API int32_t Dqn_Safe_SaturateCastISizeToI32 (Dqn_isize val);
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DQN_API int64_t Dqn_Safe_SaturateCastISizeToI64 (Dqn_isize val);
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DQN_API unsigned int Dqn_Safe_SaturateCastISizeToUInt (Dqn_isize val);
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DQN_API uint8_t Dqn_Safe_SaturateCastISizeToU8 (Dqn_isize val);
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DQN_API uint16_t Dqn_Safe_SaturateCastISizeToU16 (Dqn_isize val);
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DQN_API uint32_t Dqn_Safe_SaturateCastISizeToU32 (Dqn_isize val);
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DQN_API uint64_t Dqn_Safe_SaturateCastISizeToU64 (Dqn_isize val);
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DQN_API Dqn_isize Dqn_Safe_SaturateCastI64ToISize (int64_t val);
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DQN_API int8_t Dqn_Safe_SaturateCastI64ToI8 (int64_t val);
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DQN_API int16_t Dqn_Safe_SaturateCastI64ToI16 (int64_t val);
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DQN_API int32_t Dqn_Safe_SaturateCastI64ToI32 (int64_t val);
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DQN_API unsigned int Dqn_Safe_SaturateCastI64ToUInt (int64_t val);
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DQN_API Dqn_isize Dqn_Safe_SaturateCastI64ToUSize (int64_t val);
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DQN_API uint8_t Dqn_Safe_SaturateCastI64ToU8 (int64_t val);
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DQN_API uint16_t Dqn_Safe_SaturateCastI64ToU16 (int64_t val);
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DQN_API uint32_t Dqn_Safe_SaturateCastI64ToU32 (int64_t val);
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DQN_API uint64_t Dqn_Safe_SaturateCastI64ToU64 (int64_t val);
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DQN_API int8_t Dqn_Safe_SaturateCastIntToI8 (int val);
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DQN_API int16_t Dqn_Safe_SaturateCastIntToI16 (int val);
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DQN_API uint8_t Dqn_Safe_SaturateCastIntToU8 (int val);
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DQN_API uint16_t Dqn_Safe_SaturateCastIntToU16 (int val);
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DQN_API uint32_t Dqn_Safe_SaturateCastIntToU32 (int val);
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DQN_API uint64_t Dqn_Safe_SaturateCastIntToU64 (int val);
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// NOTE: [$MISC] Misc //////////////////////////////////////////////////////////////////////////////
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DQN_API int Dqn_FmtBuffer3DotTruncate (char *buffer, int size, DQN_FMT_ATTRIB char const *fmt, ...);
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DQN_API Dqn_U64Str8 Dqn_U64ToStr8 (uint64_t val, char separator);
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DQN_API Dqn_U64ByteSize Dqn_U64ToByteSize (uint64_t bytes, Dqn_U64ByteSizeType type);
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DQN_API Dqn_Str8 Dqn_U64ToByteSizeStr8 (Dqn_Arena *arena, uint64_t bytes, Dqn_U64ByteSizeType desired_type);
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DQN_API Dqn_Str8 Dqn_U64ByteSizeTypeString (Dqn_U64ByteSizeType type);
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DQN_API Dqn_Str8 Dqn_U64ToAge (Dqn_Arena *arena, uint64_t age_s, Dqn_usize type);
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DQN_API uint64_t Dqn_HexToU64 (Dqn_Str8 hex);
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DQN_API Dqn_Str8 Dqn_U64ToHex (Dqn_Arena *arena, uint64_t number, uint32_t flags);
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DQN_API Dqn_U64HexStr8 Dqn_U64ToHexStr8 (uint64_t number, uint32_t flags);
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DQN_API bool Dqn_BytesToHexPtr (Dqn_Arena *arena, void const *src, Dqn_usize src_size, char *dest);
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DQN_API Dqn_Str8 Dqn_BytesToHex (Dqn_Arena *arena, void const *src, Dqn_usize size);
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DQN_API Dqn_usize Dqn_HexToBytesPtrUnchecked (Dqn_Str8 hex, void *dest, Dqn_usize dest_sizek);
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DQN_API Dqn_usize Dqn_HexToBytesPtr (Dqn_Str8 hex, void *dest, Dqn_usize dest_sizek);
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DQN_API Dqn_Str8 Dqn_HexToBytesUnchecked (Dqn_Arena *arena, Dqn_Str8 hex);
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DQN_API Dqn_Str8 Dqn_HexToBytes (Dqn_Arena *arena, Dqn_Str8 hex);
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// NOTE: [$PROF] Dqn_Profiler //////////////////////////////////////////////////////////////////////
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#define Dqn_Profiler_BeginZone(name) Dqn_Profiler_BeginZoneWithIndex(DQN_STR8(name), __COUNTER__ + 1)
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DQN_API Dqn_ProfilerZone Dqn_Profiler_BeginZoneWithIndex (Dqn_Str8 name, uint16_t anchor_index);
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|
DQN_API void Dqn_Profiler_EndZone (Dqn_ProfilerZone zone);
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DQN_API Dqn_ProfilerAnchor *Dqn_Profiler_AnchorBuffer (Dqn_ProfilerAnchorBuffer buffer);
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|
DQN_API void Dqn_Profiler_SwapAnchorBuffer ();
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|
DQN_API void Dqn_Profiler_Dump (uint64_t tsc_per_second);
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// NOTE: [$JOBQ] Dqn_JobQueue ///////////////////////////////////////////////////////////////////////
|
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DQN_API Dqn_JobQueueSPMC Dqn_OS_JobQueueSPMCInit ();
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|
DQN_API bool Dqn_OS_JobQueueSPMCAddArray (Dqn_JobQueueSPMC *queue, Dqn_Job *jobs, uint32_t count);
|
|
DQN_API bool Dqn_OS_JobQueueSPMCAdd (Dqn_JobQueueSPMC *queue, Dqn_Job job);
|
|
DQN_API void Dqn_OS_JobQueueSPMCWaitForCompletion (Dqn_JobQueueSPMC *queue);
|
|
DQN_API int32_t Dqn_OS_JobQueueSPMCThread (Dqn_OSThread *thread);
|
|
DQN_API Dqn_usize Dqn_OS_JobQueueSPMCGetFinishedJobs (Dqn_JobQueueSPMC *queue, Dqn_Job *jobs, Dqn_usize jobs_size);
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|
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// NOTE: Dqn_Library ///////////////////////////////////////////////////////////////////////////////
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DQN_API Dqn_Library * Dqn_Library_Init (Dqn_LibraryOnInit on_init);
|
|
DQN_API void Dqn_Library_SetPointer (Dqn_Library *library);
|
|
#if !defined(DQN_NO_PROFILER)
|
|
DQN_API void Dqn_Library_SetProfiler (Dqn_Profiler *profiler);
|
|
#endif
|
|
DQN_API void Dqn_Library_SetLogCallback (Dqn_LogProc *proc, void *user_data);
|
|
DQN_API void Dqn_Library_DumpThreadContextArenaStat (Dqn_Str8 file_path);
|
|
DQN_API Dqn_Arena * Dqn_Library_AllocArenaF (Dqn_usize reserve, Dqn_usize commit, uint8_t arena_flags, char const *fmt, ...);
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|
|
|
// NOTE: [$BSEA] Dqn_BinarySearch //////////////////////////////////////////////////////////////////
|
|
template <typename T>
|
|
bool Dqn_BinarySearch_DefaultLessThan(T const &lhs, T const &rhs)
|
|
{
|
|
bool result = lhs < rhs;
|
|
return result;
|
|
}
|
|
|
|
template <typename T>
|
|
Dqn_BinarySearchResult Dqn_BinarySearch(T const *array,
|
|
Dqn_usize array_size,
|
|
T const &find,
|
|
Dqn_BinarySearchType type,
|
|
Dqn_BinarySearchLessThanProc<T> less_than)
|
|
{
|
|
Dqn_BinarySearchResult result = {};
|
|
if (!array || array_size <= 0)
|
|
return result;
|
|
|
|
T const *end = array + array_size;
|
|
T const *first = array;
|
|
T const *last = end;
|
|
while (first != last) {
|
|
Dqn_usize count = last - first;
|
|
T const *it = first + (count / 2);
|
|
|
|
bool advance_first = false;
|
|
if (type == Dqn_BinarySearchType_UpperBound)
|
|
advance_first = !less_than(find, it[0]);
|
|
else
|
|
advance_first = less_than(it[0], find);
|
|
|
|
if (advance_first)
|
|
first = it + 1;
|
|
else
|
|
last = it;
|
|
}
|
|
|
|
switch (type) {
|
|
case Dqn_BinarySearchType_Match: {
|
|
result.found = first != end && !less_than(find, *first);
|
|
} break;
|
|
|
|
case Dqn_BinarySearchType_LowerBound: /*FALLTHRU*/
|
|
case Dqn_BinarySearchType_UpperBound: {
|
|
result.found = first != end;
|
|
} break;
|
|
}
|
|
|
|
result.index = first - array;
|
|
return result;
|
|
}
|
|
|