558 lines
16 KiB
C
558 lines
16 KiB
C
/* TODO: Remove this */
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#define RtcIsEnabled 1
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#define UnoptimizedIsEnabled 1
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////////////////////////////////
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//~ Compiler feature flags
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/* Compile definition defaults */
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#ifndef RtcIsEnabled
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# define RtcIsEnabled 0
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#endif
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#ifndef AsanIsEnabled
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# define AsanIsEnabled 0
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#endif
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#ifndef CrtlibIsEnabled
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# define CrtlibIsEnabled 0
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#endif
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#ifndef DebinfoEnabled
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# define DebinfoEnabled 0
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#endif
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#ifndef DeveloperIsEnabled
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# define DeveloperIsEnabled 0
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#endif
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#ifndef ProfilingIsEnabled
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# define ProfilingIsEnabled 0
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#endif
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#ifndef UnoptimizedIsEnabled
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# define UnoptimizedIsEnabled 0
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#endif
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#ifndef TestsAreEnabled
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# define TestsAreEnabled 0
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#endif
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#ifndef IncbinRawDir
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# define IncbinDir ""
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#else
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# define IncbinDir Stringize(IncbinRawDir)
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#endif
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////////////////////////////////
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//~ Machine context
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//- Compiler
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#if defined(__clang__)
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# define CompilerIsClang 1
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# define CompilerIsMsvc 0
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#elif defined(_MSC_VER)
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# define CompilerIsClang 0
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# define CompilerIsMsvc 1
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#else
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# error Unknown compiler
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#endif
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//- Language
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#if defined(__HLSL_VERSION)
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# define LanguageIsC 0
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# define LanguageIsGpu 1
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#else
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# define LanguageIsC 1
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# define LanguageIsGpu 0
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#endif
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//- Operating system
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#if defined(_WIN32)
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# define PlatformIsWindows 1
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# define PlatformIsMac 0
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# define PlatformIsLinux 0
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#elif defined(__APPLE__) && defined(__MACH__)
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# define PlatformIsWindows 0
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# define PlatformIsMac 1
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# define PlatformIsLinux 0
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#elif defined(__gnu_linux__)
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# define PlatformIsWindows 0
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# define PlatformIsMac 0
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# define PlatformIsLinux 1
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#elif LanguageIsGpu
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# define PlatformIsWindows 0
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# define PlatformIsMac 0
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# define PlatformIsLinux 0
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#else
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# error Unknown platform
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#endif
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//- Windows NTDDI version
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/* FIXME: Remove this */
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#if 0
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#if CompilerIsMsvc
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# define NTDDI_WIN11_DT 0x0C0A0000
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# define NTDDI_VERSION 0x0A000000
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# if RtcIsEnabled
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# define _ALLOW_RTCc_IN_STL 1
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# endif
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#endif
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#endif
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////////////////////////////////
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//~ Debug
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//- Static assert
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#if CompilerIsMsvc || (LanguageIsC && __STDC_VERSION__ < 202311L) || LanguageIsGpu
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# if CompilerIsMsvc
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# define StaticAssert2(cond, line) struct STATIC_ASSERT_____##line {int foo[(cond) ? 1 : -1];}
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# define StaticAssert1(cond, line) StaticAssert2(cond, line)
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# define StaticAssert(cond) StaticAssert1(cond, __LINE__)
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# else
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# define StaticAssert(cond) _Static_assert(cond, "")
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# endif
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#else
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# define StaticAssert(c) static_assert(c, "")
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#endif
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//- Debug assert
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#if RtcIsEnabled
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# if CompilerIsMsvc
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// # define Assert(cond) ((cond) ? 1 : (IsRunningInDebugger() ? (*(volatile i32 *)0 = 0) : Panic(Lit("Assert(" #cond ") failed at " __FILE__ ":" Stringize(__LINE__)))))
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# define Assert(cond) ((cond) ? 1 : (IsRunningInDebugger() ? (*(volatile i32 *)0 = 0) : Panic(Lit(__FILE__ "(" Stringize(__LINE__) "): error Assert("#cond")"))))
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# define DEBUGBREAK __debugbreak
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# else
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# define Assert(cond) ((cond) ? 1 : (__builtin_trap(), 0))
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# define DEBUGBREAK __builtin_debugtrap()
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# endif
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# define DEBUGBREAKABLE { volatile i32 __DEBUGBREAKABLE_VAR = 0; LAX __DEBUGBREAKABLE_VAR; } (void)0
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#else
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# define Assert(cond) (void)(0)
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#endif
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//- Root constant assert
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#define AssertRootConst(s, n) StaticAssert((sizeof(s) % 16 == 0) && /* Root constant struct should pad to 16 byte alignment */ \
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((sizeof(s) / 4) == n) && /* Root constant struct size should match the specified 32-bit-constant count */ \
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(sizeof(s) <= 256)) /* Root constant struct can only fit 64 DWORDS */
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//- Debug alias
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/* TODO: Remove this */
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#if CompilerIsMsvc
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# if DebinfoEnabled
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# define DebugAlias(var, alias) *(alias) = &(var)
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# else
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# define DebugAlias(var, alias) *(alias) = &(var)
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# endif
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#else
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# if DebinfoEnabled
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# define DebugAlias(var, alias) __attribute((used)) *(alias) = &(var)
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# else
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# define DebugAlias(var, alias) __attribute((unused)) *(alias) = &(var)
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# endif
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#endif
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//- Address sanitization
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#if AsanIsEnabled
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void __asan_poison_memory_region(void const volatile *, size_t);
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void __asan_unpoison_memory_region(void const volatile *add, size_t);
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# define AsanPoison(addr, size) __asan_poison_memory_region((addr), (size))
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# define AsanUnpoison(addr, size) __asan_unpoison_memory_region((addr), (size))
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#else
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# define AsanPoison(addr, size)
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# define AsanUnpoison(addr, size)
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#endif
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////////////////////////////////
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//~ Common utility macros
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//- ZeroStruct initialization macro
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#if LanguageIsC
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# define ZI { 0 }
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#else
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# define ZI { }
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#endif
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//- Inline
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#define Inline static inline
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#if CompilerIsMsvc
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# define ForceInline Inline __forceinline
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#else
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# define ForceInline Inline __attribute((always_inline))
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#endif
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#if CompilerIsMsvc
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# define ForceNoInline __declspec(noinline)
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#else
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# define ForceNoInline __attribute__((noinline))
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#endif
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//- Static
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#define LocalPersist static
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#define Global static
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/* TODO: Remove this */
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#define internal static
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//- Read-only
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#if PlatformIsWindows
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# if CompilerIsMsvc
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# pragma section(".rdata$", read)
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# define Readonly __declspec(allocate(".rdata$"))
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# else
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# define Readonly __declspec(allocate(".rdata"))
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# endif
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#elif PlatformIsMac
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# define Readonly __attribute((section("__TEXT,__const")))
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#else
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# define Readonly __attribute((section(".rodata")))
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#endif
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//- Barriers
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#if CompilerIsMsvc
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# define WriteBarrier() _WriteBarrier()
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# define ReadBarrier() _ReadBarrier()
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#elif defined(__x86_64) || defined(__i386__)
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# define WriteBarrier() __asm__ volatile("" ::: "memory")
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# define ReadBarrier() __asm__ volatile("" ::: "memory")
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#elif LanguageIsGpu
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# define WriteBarrier()
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# define ReadBarrier()
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#else
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# error Memory barriers not implemented
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#endif
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//- Unused markup
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/* Strict unused markup */
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#if CompilerIsClang
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# define UNUSED __attribute((unused))
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#else
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# define UNUSED
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#endif
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/* Relaxed unused markup */
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#define LAX (void)
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//- Fallthrough
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#if CompilerIsClang
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# define FALLTHROUGH
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#else
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# define FALLTHROUGH __attribute((fallthrough))
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#endif
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//- Preprocessor concatenation
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#define Cat1(a, b) a ## b
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#define Cat(a, b) Cat1(a, b)
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//- Preprocessor stringization
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#define Stringize1(x) #x
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#define Stringize(x) Stringize1(x)
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//- Sizes
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#define Kibi(n) (n*1024ULL)
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#define Mebi(n) (n*Kibi(1024ULL))
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#define Gibi(n) (n*Mebi(1024ULL))
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#define Tebi(n) (n*Gibi(1024ULL))
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//- Time
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#define NsFromSeconds(s) ((i64)((s) * 1000000000.0))
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#define SecondsFromNs(ns) ((f64)(ns) / 1000000000.0)
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////////////////////////////////
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//~ Type helper macros
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//- alignof
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#if (CompilerIsMsvc && LanguageIsC) || (LanguageIsC && (__STDC_VERSION__ < 202311L))
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# define alignof(type) __alignof(type)
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#endif
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//- sizeof_field
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#define sizeof_field(type, field) sizeof(((type *)0)->field)
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//- offsetof
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#if 0
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#if !CompilerIsMsvc
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# if !defined _CRT_USE_BUILTIN_OFFSETOF
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# define offsetof(type, field) ((u64)&(((type *)0)->field))
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# else
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# define offsetof(type, field) __builtin_offsetof(type, field)
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# endif
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#endif
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#endif
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////////////////////////////////
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//~ Array helper macros
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//- countof
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#define countof(a) (sizeof(a) / sizeof((a)[0]))
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//- IsArray
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#define IsIndexable(a) (sizeof(a[0]) != 0)
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#define IsArray(a) (IsIndexable(a) && (((void *)&a) == ((void *)a)))
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////////////////////////////////
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//~ Struct alignment / padding macros
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//- Pack
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#if CompilerIsMsvc
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# define Packed(s) __pragma(pack(push, 1)) s __pragma(pack(pop))
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#elif CompilerIsClang
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# define Packed(s) s __attribute((__packed__))
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#elif LanguageIsGpu
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# define Packed(s) s
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#endif
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//- alignas
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#if (CompilerIsMsvc && LanguageIsC) || (LanguageIsC && __STDC_VERSION__ < 202311L)
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# if CompilerIsMsvc
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# define alignas(n) __declspec(align(n))
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# else
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# define alignas(n) __attribute__((aligned(n)))
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# endif
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#endif
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////////////////////////////////
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//~ Color helper macros
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//- Rgba 32 bit helpers
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#define Rgb32(r, g, b) Rgba32((r), (g), (b), 0xFF)
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#define Rgba32(r, g, b, a) (u32)((u32)(r) | ((u32)(g) << 8) | ((u32)(b) << 16) | ((u32)(a) << 24))
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#define Bgr32(rgb) ((((rgb >> 0) & 0xFF) << 16) | (((rgb >> 8) & 0xFF) << 8) | (((rgb >> 16) & 0xFF) << 0))
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//- Rgba 32 bit float float helpers
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#define _Rgb32U8FromF(fl) ((u8)((fl * 255.0) + 0.5))
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#define Rgba32F(r, g, b, a) Rgba32(_Rgb32U8FromF((r)), _Rgb32U8FromF((g)), _Rgb32U8FromF((b)), _Rgb32U8FromF((a)))
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#define Rgb32F(r, g, b) Rgba32F((r), (g), (b), 1.f)
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#define Alpha32F(color, a) ((color) & 0x00FFFFFF) | (_Rgb32U8FromF((a)) << 24)
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//- Pre-defined colors
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#define ColorWhite Rgb32(0xFF, 0xFF, 0xFF)
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#define ColorBlack Rgb32(0x00, 0x00, 0x00)
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#define ColorRed Rgb32(0xFF, 0x00, 0x00)
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#define ColorGreen Rgb32(0x00, 0xFF, 0x00)
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#define ColorBlue Rgb32(0x00, 0x00, 0xFF)
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#define ColorYellow Rgb32(0xFF, 0xFF, 0x00)
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#define ColorOrange Rgb32(0xFF, 0xA5, 0x00)
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#define ColorPurple Rgb32(0xFF, 0x00, 0XFF)
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////////////////////////////////
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//~ Gpu helpers
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#if LanguageIsGpu
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//- Resource heap index
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# define GpuResourceFromUrid(urid) ResourceDescriptorHeap[urid]
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# define GpuResourceFromNurid(nurid) ResourceDescriptorHeap[NonUniformResourceIndex(nurid)]
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//- Semantic declaration
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# define Semantic(t, n) t n : n
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#endif
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////////////////////////////////
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//~ Intrinsic headers
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#if LanguageIsC
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/* Intrinsic header info:
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* <mmintrin.h" MMX
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* <xmmintrin.h" SSE
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* <emmintrin.h" SSE2
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* <pmmintrin.h" SSE3
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* <tmmintrin.h" SSSE3
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* <smmintrin.h" SSE4.1
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* <nmmintrin.h" SSE4.2
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* <ammintrin.h" SSE4A
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* <wmmintrin.h" AES
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* <immintrin.h" AVX, AVX2, FMA
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*/
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#include "intrin.h"
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#include "nmmintrin.h" /* SSE4.2 */
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#endif
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////////////////////////////////
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//~ Struct helper macros
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#define Struct(name) typedef struct name name; struct name
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#define AlignedStruct(name, n) typedef struct name name; struct alignas(n) name
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////////////////////////////////
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//~ Scalar types
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#if LanguageIsC
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//- Cpu scalar types
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#include "stdint.h"
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typedef int8_t i8;
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typedef int16_t i16;
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typedef int32_t i32;
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typedef int64_t i64;
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef float f32;
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typedef double f64;
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typedef i8 b8;
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typedef u32 b32;
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#else
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//- Gpu scalar types
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typedef int i32;
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typedef uint u32;
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typedef float f32;
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typedef uint b32;
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#endif
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//- Min / max constants
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#define U8Max (0xFF)
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#define U16Max (0xFFFF)
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#define U32Max (0xFFFFFFFF)
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#define U64Max (0xFFFFFFFFFFFFFFFFULL)
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#define I8Max (0x7F)
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#define I16Max (0x7FFF)
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#define I32Max (0x7FFFFFFF)
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#define I64Max (0x7FFFFFFFFFFFFFFFLL)
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#define I8Min ((i8)-0x80)
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#define I16Min ((i16)0x8000)
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#define I32Min ((i32)0x80000000)
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#define I64Min ((i64)0x8000000000000000LL)
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//- Float infinity / nan constants
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#if LanguageIsC
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Global const u32 _f32_infinity_u32 = 0x7f800000;
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Global const f32 *_f32_infinity = (f32 *)&_f32_infinity_u32;
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#define F32Infinity (*_f32_infinity)
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Global const u64 _f64_infinity_u64 = 0x7ff0000000000000ULL;
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Global const f64 *_f64_infinity = (f64 *)&_f64_infinity_u64;
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#define F64Infinity (*_f64_infinity)
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Global const u32 _f32_nan_u32 = 0x7f800001;
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Global const f32 *_f32_nan = (f32 *)&_f32_nan_u32;
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#define F32Nan (*_f32_nan)
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Global const u64 _f64_nan_u64 = 0x7ff8000000000001;
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Global const f64 *_f64_nan = (f64 *)&_f64_nan_u64;
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#define F64Nan (*_f64_nan)
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#define IsF32Nan(x) (x != x)
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#define IsF64Nan(x) (x != x)
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#endif
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////////////////////////////////
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//~ Atomics
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#if LanguageIsC
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//- Atomic types
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Struct(Atomic8) { volatile i8 _v; };
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Struct(Atomic16) { volatile i16 _v; };
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Struct(Atomic32) { volatile i32 _v; };
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Struct(Atomic64) { volatile i64 _v; };
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//- Cache-line isolated aligned atomic types
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AlignedStruct(Atomic8Padded, 64) { Atomic8 v; u8 _pad[60]; };
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AlignedStruct(Atomic16Padded, 64) { Atomic16 v; u8 _pad[60]; };
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AlignedStruct(Atomic32Padded, 64) { Atomic32 v; u8 _pad[60]; };
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AlignedStruct(Atomic64Padded, 64) { Atomic64 v; u8 _pad[56]; };
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StaticAssert(sizeof(Atomic8Padded) == 64 && alignof(Atomic8Padded) == 64);
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StaticAssert(sizeof(Atomic16Padded) == 64 && alignof(Atomic16Padded) == 64);
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StaticAssert(sizeof(Atomic32Padded) == 64 && alignof(Atomic32Padded) == 64);
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StaticAssert(sizeof(Atomic64Padded) == 64 && alignof(Atomic64Padded) == 64);
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#if PlatformIsWindows
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//- 8 bit atomics operations
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ForceInline i8 Atomic8Fetch(Atomic8 *x) { return (i8)_InterlockedCompareExchange8((char *)&x->_v, 0, 0); }
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ForceInline i8 Atomic8FetchSet(Atomic8 *x, i8 e) { return (i8)_InterlockedExchange8((char *)&x->_v, e); }
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ForceInline i8 Atomic8FetchTestSet(Atomic8 *x, i8 c, i8 e) { return (i8)_InterlockedCompareExchange8((char *)&x->_v, e, c); }
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ForceInline i8 Atomic8FetchXor(Atomic8 *x, i8 c) { return (i8)_InterlockedXor8((char *)&x->_v, c); }
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ForceInline i8 Atomic8FetchAdd(Atomic8 *x, i8 a) { return (i8)_InterlockedExchangeAdd8((char *)&x->_v, a); }
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//- 16 bit atomic operations
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ForceInline i16 Atomic16Fetch(Atomic16 *x) { return (i16)_InterlockedCompareExchange16(&x->_v, 0, 0); }
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ForceInline i16 Atomic16FetchSet(Atomic16 *x, i16 e) { return (i16)_InterlockedExchange16(&x->_v, e); }
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ForceInline i16 Atomic16FetchTestSet(Atomic16 *x, i16 c, i16 e) { return (i16)_InterlockedCompareExchange16(&x->_v, e, c); }
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ForceInline i16 Atomic16FetchTestXor(Atomic16 *x, i16 c) { return (i16)_InterlockedXor16(&x->_v, c); }
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ForceInline i16 Atomic16FetchTestAdd(Atomic16 *x, i16 a) { return (i16)_InterlockedExchangeAdd16(&x->_v, a); }
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//- 32 bit atomic operations
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ForceInline i32 Atomic32Fetch(Atomic32 *x) { return (i32)_InterlockedCompareExchange((volatile long *)&x->_v, 0, 0); }
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ForceInline i32 Atomic32FetchSet(Atomic32 *x, i32 e) { return (i32)_InterlockedExchange((volatile long *)&x->_v, e); }
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ForceInline i32 Atomic32FetchTestSet(Atomic32 *x, i32 c, i32 e) { return (i32)_InterlockedCompareExchange((volatile long *)&x->_v, e, c); }
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ForceInline i32 Atomic32FetchXor(Atomic32 *x, i32 c) { return (i32)_InterlockedXor((volatile long *)&x->_v, c); }
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ForceInline i32 Atomic32FetchAdd(Atomic32 *x, i32 a) { return (i32)_InterlockedExchangeAdd((volatile long *)&x->_v, a); }
|
|
//- 64 bit atomic operations
|
|
ForceInline i64 Atomic64Fetch(Atomic64 *x) { return (i64)_InterlockedCompareExchange64(&x->_v, 0, 0); }
|
|
ForceInline i64 Atomic64FetchSet(Atomic64 *x, i64 e) { return (i64)_InterlockedExchange64(&x->_v, e); }
|
|
ForceInline i64 Atomic64FetchTestSet(Atomic64 *x, i64 c, i64 e) { return (i64)_InterlockedCompareExchange64(&x->_v, e, c); }
|
|
ForceInline i64 Atomic64FetchXor(Atomic64 *x, i64 c) { return (i64)_InterlockedXor64(&x->_v, c); }
|
|
ForceInline i64 Atomic64FetchAdd(Atomic64 *x, i64 a) { return (i64)_InterlockedExchangeAdd64(&x->_v, a); }
|
|
#else
|
|
# error Atomics not implemented
|
|
#endif
|
|
|
|
#endif
|
|
|
|
////////////////////////////////
|
|
//~ Ticket mutex
|
|
|
|
#if LanguageIsC
|
|
|
|
Struct(TicketMutex)
|
|
{
|
|
Atomic64Padded ticket;
|
|
Atomic64Padded serving;
|
|
};
|
|
|
|
ForceInline void LockTicketMutex(TicketMutex *tm)
|
|
{
|
|
i64 ticket = Atomic64FetchAdd(&tm->ticket.v, 1);
|
|
while (Atomic64Fetch(&tm->serving.v) != ticket)
|
|
{
|
|
_mm_pause();
|
|
}
|
|
}
|
|
|
|
ForceInline void UnlockTicketMutex(TicketMutex *tm)
|
|
{
|
|
Atomic64FetchAdd(&tm->serving.v, 1);
|
|
}
|
|
#endif
|
|
|
|
////////////////////////////////
|
|
//~ String types
|
|
|
|
#define STRING(size, data) (CppCompatInitListType(String) { (size), (data) })
|
|
#define Lit(cstr_lit) CppCompatInitListType(String) { (sizeof((cstr_lit)) - 1), (u8 *)(cstr_lit) }
|
|
#define LitNoCast(cstr_lit) { .len = (sizeof((cstr_lit)) - 1), .text = (u8 *)(cstr_lit) }
|
|
|
|
Struct(String)
|
|
{
|
|
u64 len;
|
|
u8 *text;
|
|
};
|
|
|
|
Struct(String16)
|
|
{
|
|
u64 len;
|
|
u16 *text;
|
|
};
|
|
|
|
Struct(String32)
|
|
{
|
|
u64 len;
|
|
u32 *text;
|
|
};
|
|
|
|
////////////////////////////////
|
|
//~ @hookdecl Core hooks
|
|
|
|
void Panic(String msg);
|
|
b32 IsRunningInDebugger(void);
|
|
i16 ThreadId(void);
|
|
|
|
#define MaxThreads 1024
|
|
StaticAssert(MaxThreads < I16Max); /* Thread id type should fit max threads */
|
|
|
|
////////////////////////////////
|
|
//~ Prof
|
|
|
|
#include "../prof/prof_tracy.h"
|