mirror of
https://github.com/dhewm/dhewm3-sdk.git
synced 2024-11-30 00:11:04 +00:00
dbf155277b
Workaround for MCST-LCC compiler < 1.28 version mcst-lcc < 1.28 does not support __builtin_alloca_with_align() Ref: http://mcst.ru/lcc
290 lines
8.2 KiB
C
290 lines
8.2 KiB
C
/*
|
|
===========================================================================
|
|
|
|
Doom 3 GPL Source Code
|
|
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
|
|
|
|
Doom 3 Source Code is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 Source Code is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
|
|
#ifndef __PLATFORM__
|
|
#define __PLATFORM__
|
|
|
|
#include "config.h"
|
|
#include "framework/BuildDefines.h"
|
|
|
|
#ifdef _WIN32
|
|
#include <malloc.h> // _alloca()
|
|
#endif
|
|
|
|
// NOTE: By default Win32 uses a 1MB stack. Doom3 1.3.1 uses 4MB (probably set after compiling with EDITBIN /STACK
|
|
// dhewm3 now uses a 8MB stack, set with a linker flag in CMakeLists.txt (/STACK:8388608 for MSVC, -Wl,--stack,8388608 for mingw)
|
|
// Linux has a 8MB stack by default, and so does macOS, at least for the main thread
|
|
// anyway, a 2MB limit alloca should be safe even when using it multiple times in the same function
|
|
#define ID_MAX_ALLOCA_SIZE 2097152 // 2MB
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
Non-portable system services.
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
// AROS
|
|
#if defined(__AROS__)
|
|
|
|
#define _alloca alloca
|
|
#define _alloca16( x ) ((void *)((((uintptr_t)alloca( (x)+15 )) + 15) & ~15))
|
|
|
|
#ifdef GAME_DLL
|
|
#define ID_GAME_API __attribute__((visibility ("default")))
|
|
#else
|
|
#define ID_GAME_API
|
|
#endif
|
|
|
|
#define ALIGN16( x ) x __attribute__ ((aligned (16)))
|
|
#define PACKED __attribute__((packed))
|
|
|
|
#define PATHSEPERATOR_STR "/"
|
|
#define PATHSEPERATOR_CHAR '/'
|
|
|
|
#define __cdecl
|
|
#define ASSERT assert
|
|
|
|
#define ID_INLINE inline
|
|
#define ID_STATIC_TEMPLATE
|
|
|
|
#define assertmem( x, y )
|
|
|
|
#endif
|
|
|
|
// Win32
|
|
#if defined(WIN32) || defined(_WIN32)
|
|
|
|
#ifdef __MINGW32__
|
|
#undef _alloca // in mingw _alloca is a #define
|
|
#define _alloca16( x ) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), __builtin_alloca_with_align( (x), 16*8 ) )
|
|
#define _alloca( x ) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), __builtin_alloca( (x) ) )
|
|
#else
|
|
#define _alloca16( x ) ( (void *) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), ((((uintptr_t)_alloca( (x)+15 )) + 15) & ~15) ) )
|
|
#define _alloca( x ) ( (void *) ( (assert((x)<ID_MAX_ALLOCA_SIZE)), _alloca( (x) ) ) )
|
|
#endif
|
|
|
|
#define PATHSEPERATOR_STR "\\"
|
|
#define PATHSEPERATOR_CHAR '\\'
|
|
|
|
#ifdef _MSC_VER
|
|
#ifdef GAME_DLL
|
|
#define ID_GAME_API __declspec(dllexport)
|
|
#else
|
|
#define ID_GAME_API
|
|
#endif
|
|
#define ALIGN16( x ) __declspec(align(16)) x
|
|
#define PACKED
|
|
#define ID_INLINE __forceinline
|
|
// DG: alternative to forced inlining of ID_INLINE for functions that do alloca()
|
|
// and are called in a loop so inlining them might cause stack overflow
|
|
#define ID_MAYBE_INLINE __inline
|
|
#define ID_STATIC_TEMPLATE static
|
|
#define assertmem( x, y ) assert( _CrtIsValidPointer( x, y, true ) )
|
|
#else
|
|
#ifdef GAME_DLL
|
|
#define ID_GAME_API __attribute__((visibility ("default")))
|
|
#else
|
|
#define ID_GAME_API
|
|
#endif
|
|
#define ALIGN16( x ) x __attribute__ ((aligned (16)))
|
|
#define PACKED __attribute__((packed))
|
|
#define ID_INLINE inline
|
|
#define ID_STATIC_TEMPLATE
|
|
#define assertmem( x, y )
|
|
#endif
|
|
|
|
#endif
|
|
|
|
// Setting D3_ARCH for VisualC++ from CMake doesn't work when using VS integrated CMake
|
|
// so set it in code instead
|
|
#ifdef _MSC_VER
|
|
|
|
#ifdef D3_ARCH
|
|
#undef D3_ARCH
|
|
#endif // D3_ARCH
|
|
|
|
#ifdef _M_X64
|
|
// this matches AMD64 and ARM64EC (but not regular ARM64), but they're supposed to be binary-compatible somehow, so whatever
|
|
#define D3_ARCH "x86_64"
|
|
#elif defined(_M_ARM64)
|
|
#define D3_ARCH "arm64"
|
|
#elif defined(_M_ARM)
|
|
#define D3_ARCH "arm"
|
|
#elif defined(_M_IX86)
|
|
#define D3_ARCH "x86"
|
|
#else
|
|
// if you're not targeting one of the aforementioned architectures,
|
|
// check https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros
|
|
// to find out how to detect yours and add it here - and please send a patch :)
|
|
#error "Unknown CPU architecture!"
|
|
// (for a quick and dirty solution, comment out the previous line, but keep in mind
|
|
// that savegames may not be compatible with other builds of dhewm3)
|
|
#define D3_ARCH "UNKNOWN"
|
|
#endif // _M_X64 etc
|
|
|
|
#endif // _MSC_VER
|
|
|
|
|
|
// Mac OSX
|
|
#if defined(MACOS_X) || defined(__APPLE__)
|
|
|
|
#ifdef GAME_DLL
|
|
#define ID_GAME_API __attribute__((visibility ("default")))
|
|
#else
|
|
#define ID_GAME_API
|
|
#endif
|
|
|
|
#define ALIGN16( x ) x __attribute__ ((aligned (16)))
|
|
|
|
#define PACKED __attribute__((packed))
|
|
|
|
#define _alloca alloca
|
|
#define _alloca16( x ) ((void *)((((uintptr_t)alloca( (x)+15 )) + 15) & ~15))
|
|
|
|
#define PATHSEPERATOR_STR "/"
|
|
#define PATHSEPERATOR_CHAR '/'
|
|
|
|
#define __cdecl
|
|
#define ASSERT assert
|
|
|
|
#define ID_INLINE inline
|
|
#define ID_STATIC_TEMPLATE
|
|
|
|
#define assertmem( x, y )
|
|
|
|
#endif
|
|
|
|
|
|
// Unix
|
|
#ifdef __unix__
|
|
|
|
#if !defined(__GNUC__) || (defined(__MCST__) && __LCC__ < 128)
|
|
// MCST-LCC < 1.28 does not support __builtin_alloca_with_align()
|
|
#define _alloca( x ) (({assert( (x)<ID_MAX_ALLOCA_SIZE );}), alloca( (x) ))
|
|
#define _alloca16( x ) (({assert( (x)<ID_MAX_ALLOCA_SIZE );}),((void *)((((uintptr_t)alloca( (x)+15 )) + 15) & ~15)))
|
|
#else
|
|
// GCC, CLANG, MCST-LCC >= 1.28
|
|
#define _alloca16( x ) ( ({assert((x)<ID_MAX_ALLOCA_SIZE);}), __builtin_alloca_with_align( (x), 16*8 ) )
|
|
#define _alloca( x ) ( ({assert((x)<ID_MAX_ALLOCA_SIZE);}), __builtin_alloca( (x) ) )
|
|
#endif
|
|
|
|
#ifdef GAME_DLL
|
|
#define ID_GAME_API __attribute__((visibility ("default")))
|
|
#else
|
|
#define ID_GAME_API
|
|
#endif
|
|
|
|
#define ALIGN16( x ) x
|
|
#define PACKED __attribute__((packed))
|
|
|
|
#define PATHSEPERATOR_STR "/"
|
|
#define PATHSEPERATOR_CHAR '/'
|
|
|
|
#define __cdecl
|
|
#define ASSERT assert
|
|
|
|
#define ID_INLINE inline
|
|
#define ID_STATIC_TEMPLATE
|
|
|
|
#define assertmem( x, y )
|
|
|
|
#endif
|
|
|
|
#ifndef ID_MAYBE_INLINE
|
|
// for MSVC it's __inline, otherwise just inline should work
|
|
#define ID_MAYBE_INLINE inline
|
|
#endif // ID_MAYBE_INLINE
|
|
|
|
#ifdef __GNUC__
|
|
#define id_attribute(x) __attribute__(x)
|
|
#else
|
|
#define id_attribute(x)
|
|
#endif
|
|
|
|
#if !defined(_MSC_VER)
|
|
// MSVC does not provide this C99 header
|
|
#include <inttypes.h>
|
|
#endif
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdarg.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <time.h>
|
|
#include <ctype.h>
|
|
#include <cstddef>
|
|
#include <typeinfo>
|
|
#include <errno.h>
|
|
#include <math.h>
|
|
|
|
#ifdef _WIN32
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#undef FindText // stupid namespace poluting Microsoft monkeys
|
|
#endif
|
|
|
|
// Apple legacy
|
|
#ifdef __APPLE__
|
|
#include <Availability.h>
|
|
#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
|
|
#if __MAC_OS_X_VERSION_MIN_REQUIRED == 1040
|
|
#define OSX_TIGER
|
|
#elif __MAC_OS_X_VERSION_MIN_REQUIRED < 1060
|
|
#define OSX_LEOPARD
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#define ID_TIME_T time_t
|
|
|
|
typedef unsigned char byte; // 8 bits
|
|
typedef unsigned short word; // 16 bits
|
|
typedef unsigned int dword; // 32 bits
|
|
typedef unsigned int uint;
|
|
typedef unsigned long ulong;
|
|
|
|
typedef int qhandle_t;
|
|
|
|
#ifndef NULL
|
|
#define NULL ((void *)0)
|
|
#endif
|
|
|
|
#ifndef BIT
|
|
#define BIT( num ) ( 1 << ( num ) )
|
|
#endif
|
|
|
|
#define MAX_STRING_CHARS 1024 // max length of a string
|
|
|
|
// maximum world size
|
|
#define MAX_WORLD_COORD ( 128 * 1024 )
|
|
#define MIN_WORLD_COORD ( -128 * 1024 )
|
|
#define MAX_WORLD_SIZE ( MAX_WORLD_COORD - MIN_WORLD_COORD )
|
|
|
|
#endif
|