191 lines
5.3 KiB
C++
191 lines
5.3 KiB
C++
#pragma once
|
|
|
|
#include "meta_generated.h"
|
|
|
|
#define LANG_CPP 1
|
|
#define BUILD_CONSOLE_INTERFACE BUILD_DEBUG
|
|
|
|
#if ARCH_CPU_X64
|
|
#include "CPU_X64.cpp"
|
|
#define PLATFORM_MEMORY_PAGE_SIZE 4096
|
|
#define PLATFORM_MEMORY_LARGE_PAGE_SIZE 2097152
|
|
#define CPU_REGISTER_WIDTH_BYTES 8
|
|
#define CPU_CACHE_LINE_SIZE 64
|
|
#else
|
|
#error "CPU not supported (yet)!"
|
|
#endif
|
|
|
|
#if OS_WINDOWS
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <Windows.h>
|
|
#else
|
|
#error "This configuration is NOT supported. Only Windows with MSVC is currently supported."
|
|
#endif
|
|
|
|
#ifndef PROTOTYPING_API
|
|
#ifdef OS_WINDOWS
|
|
#define PROTOTYPING_API extern "C" __declspec(dllexport)
|
|
#else
|
|
#define PROTOTYPING_API
|
|
#endif
|
|
#endif // #ifndef PROTOTYPING_API
|
|
|
|
#define C_API
|
|
#define TEMPORARY_API
|
|
#define DEPRECATED_API
|
|
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
// Primitive types.
|
|
typedef uint8_t u8;
|
|
typedef uint16_t u16;
|
|
typedef uint32_t u32;
|
|
typedef uint64_t u64;
|
|
typedef int8_t s8;
|
|
typedef int16_t s16;
|
|
typedef int32_t s32;
|
|
typedef int64_t s64;
|
|
// typedef bool b8; // just use bool for b8s
|
|
typedef s16 b16;
|
|
typedef s32 b32;
|
|
typedef s64 b64;
|
|
typedef float f32;
|
|
typedef double f64;
|
|
|
|
// Units
|
|
#define KB(n) (((s64)(n)) << 10)
|
|
#define MB(n) (((s64)(n)) << 20)
|
|
#define GB(n) (((s64)(n)) << 30)
|
|
#define TB(n) (((s64)(n)) << 40)
|
|
#define Thousand(n) ((n)*1000)
|
|
#define Million(n) ((n)*1000000)
|
|
#define Billion(n) ((n)*1000000000)
|
|
|
|
#define internal static
|
|
#define global static
|
|
#define local_persist static // I don't like these, so I generally won't use them!
|
|
|
|
#if COMPILER_MSVC
|
|
# define thread_static __declspec(thread)
|
|
#elif COMPILER_CLANG || COMPILER_GCC
|
|
# define thread_static __thread
|
|
#else
|
|
# error thread_static not defined for this compiler.
|
|
#endif
|
|
|
|
#if COMPILER_MSVC || (COMPILER_CLANG && OS_WINDOWS)
|
|
# pragma section(".rdata$", read)
|
|
# define read_only __declspec(allocate(".rdata$"))
|
|
#elif (COMPILER_CLANG && OS_LINUX)
|
|
# define read_only __attribute__((section(".rodata")))
|
|
#else
|
|
#endif
|
|
|
|
#if COMPILER_MSVC
|
|
# define force_inline __forceinline
|
|
#elif COMPILER_CLANG || COMPILER_GCC
|
|
# define force_inline __attribute__((always_inline))
|
|
#else
|
|
# error force_inline not defined for this compiler.
|
|
#endif
|
|
|
|
// Maybe move to a different file.
|
|
force_inline s64 Align_To_Page_Size(s64 n) {
|
|
return (n + PLATFORM_MEMORY_PAGE_SIZE - 1) & (~(PLATFORM_MEMORY_PAGE_SIZE-1));
|
|
}
|
|
|
|
template <typename T>
|
|
force_inline T Align (T value, s64 alignment) {
|
|
s64 intermediate = (((s64)value) + alignment - 1) & (~(alignment - 1));
|
|
return (T)intermediate;
|
|
}
|
|
|
|
// #TODO: template this so it works with any pointer type
|
|
// force_inline u8* Align_To_Cache_Line(u8* address)
|
|
/*
|
|
force_inline s64 Align_Forwards(s64 size, s64 alignment) {
|
|
return (((size + alignment - 1) / alignment) * alignment);
|
|
}
|
|
*/
|
|
|
|
// Branchless nextpow2 implementation. Returns zero if v is negative.
|
|
// All it does is fill in all the bits to the right of the most significant bit.
|
|
force_inline s64 Next_Power_Of_Two(s64 v) {
|
|
v -= 1;
|
|
|
|
v |= v >> 1;
|
|
v |= v >> 2;
|
|
v |= v >> 4;
|
|
v |= v >> 8;
|
|
v |= v >> 16;
|
|
v |= v >> 32;
|
|
|
|
v += 1;
|
|
|
|
return v;
|
|
}
|
|
|
|
#define Stringify_(S) #S
|
|
#define Stringify(S) Stringify_(S)
|
|
|
|
#define Concat_(A,B) A##B
|
|
#define Concat(A,B) Concat_(A,B)
|
|
|
|
#if COMPILER_MSVC
|
|
# define debug_break() __debugbreak()
|
|
#elif COMPILER_CLANG || COMPILER_GCC
|
|
# define debug_break() __builtin_trap()
|
|
#else
|
|
# define debug_break()
|
|
# error Unknown trap intrinsic for this compiler.
|
|
#endif
|
|
|
|
#define AssertAlways(x) do{if(!(x)) {debug_break();}}while(0)
|
|
#if BUILD_DEBUG
|
|
# define Assert(x) AssertAlways(x)
|
|
#else
|
|
# define Assert(x) (void)(x)
|
|
#endif
|
|
|
|
#if LANG_CPP
|
|
# define C_LINKAGE_BEGIN extern "C"{
|
|
# define C_LINKAGE_END }
|
|
# define C_LINKAGE extern "C"
|
|
#else
|
|
# define C_LINKAGE_BEGIN
|
|
# define C_LINKAGE_END
|
|
# define C_LINKAGE
|
|
#endif
|
|
|
|
// Disable some of MSVC most aggressive Debug runtime checks in function header/footer (used in some simple/low-level functions)
|
|
#if COMPILER_MSVC
|
|
#define MSVC_RUNTIME_CHECKS_OFF __pragma(runtime_checks("",off)) __pragma(check_stack(off)) __pragma(strict_gs_check(push,off))
|
|
#define MSVC_RUNTIME_CHECKS_RESTORE __pragma(runtime_checks("",restore)) __pragma(check_stack()) __pragma(strict_gs_check(pop))
|
|
#else
|
|
#define MSVC_RUNTIME_CHECKS_OFF
|
|
#define MSVC_RUNTIME_CHECKS_RESTORE
|
|
#endif
|
|
|
|
// ForExpansions. Not sure if this is a good idea...
|
|
// #TODO: Maybe remove these. I prefer verbose and clear over this.
|
|
#define For(_idx_, _until_) for (s64 _idx_ = 0; _idx_ < _until_; ++_idx_)
|
|
#define ForBetween(_idx_, _start_, _until_) for (s64 _idx_ = _start_; _idx_ < _until_; ++_idx_)
|
|
#define ForArray(_idx_, _array_) for (s64 _idx_ = 0; _idx_ < (_array_).count; ++_idx_)
|
|
#define ForArrayStartingAt(_it_, _array_, _start_) for (s64 _it_ = _start_; _it_ < (_array_).count; _it_ += 1)
|
|
#define ForUpTo(_it_, _end_) for (s64 _it_ = 0; _it_ < _end_; _it_ += 1)
|
|
|
|
// Scoped Macros/Functions for auto_reset and auto_release
|
|
// usage `Auto_Reset guard(arena);` within a scope.
|
|
#define auto_reset(x) \
|
|
Auto_Reset Concat(_auto_reset_guard_, __LINE__)(x)
|
|
#define push_allocator(x) Push_Allocator Concat(_push_alloc_guard_, __LINE__)(x)
|
|
#define push_alignment(x, y) \
|
|
Push_Alignment Concat(_push_align_guard_, __LINE__)(x, y)
|
|
#define push_arena(x) \
|
|
Push_Arena Concat(_push_alloc_guard_, __LINE__)(x)
|
|
#define auto_release_temp() auto_release(get_temp_allocator());
|
|
#define auto_release(x) \
|
|
Auto_Release Concat(_auto_release_guard_, __LINE__)(x)
|
|
|