mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 09:08:22 -05:00
363 lines
8.9 KiB
C++
363 lines
8.9 KiB
C++
// This code is in the public domain -- Ignacio Castaño <castano@gmail.com>
|
|
|
|
#ifndef NV_CORE_H
|
|
#define NV_CORE_H
|
|
|
|
#define NVCORE_SHARED 0
|
|
#define NV_NO_ASSERT 0
|
|
|
|
// Function linkage
|
|
#if NVCORE_SHARED
|
|
#ifdef NVCORE_EXPORTS
|
|
#define NVCORE_API DLL_EXPORT
|
|
#define NVCORE_CLASS DLL_EXPORT_CLASS
|
|
#else
|
|
#define NVCORE_API DLL_IMPORT
|
|
#define NVCORE_CLASS DLL_IMPORT
|
|
#endif
|
|
#else // NVCORE_SHARED
|
|
#define NVCORE_API
|
|
#define NVCORE_CLASS
|
|
#endif // NVCORE_SHARED
|
|
|
|
// Platform definitions
|
|
#include "posh.h"
|
|
|
|
#define NV_OS_STRING POSH_OS_STRING
|
|
|
|
#if defined POSH_OS_LINUX
|
|
# define NV_OS_LINUX 1
|
|
# define NV_OS_UNIX 1
|
|
#elif defined POSH_OS_ORBIS
|
|
# define NV_OS_ORBIS 1
|
|
#elif defined POSH_OS_FREEBSD
|
|
# define NV_OS_FREEBSD 1
|
|
# define NV_OS_UNIX 1
|
|
#elif defined POSH_OS_OPENBSD
|
|
# define NV_OS_OPENBSD 1
|
|
# define NV_OS_UNIX 1
|
|
#elif defined POSH_OS_CYGWIN32
|
|
# define NV_OS_CYGWIN 1
|
|
#elif defined POSH_OS_MINGW
|
|
# define NV_OS_MINGW 1
|
|
# define NV_OS_WIN32 1
|
|
#elif defined POSH_OS_OSX
|
|
# define NV_OS_DARWIN 1
|
|
# define NV_OS_UNIX 1
|
|
#elif defined POSH_OS_IOS
|
|
# define NV_OS_DARWIN 1 //ACS should we keep this on IOS?
|
|
# define NV_OS_UNIX 1
|
|
# define NV_OS_IOS 1
|
|
#elif defined POSH_OS_UNIX
|
|
# define NV_OS_UNIX 1
|
|
#elif defined POSH_OS_WIN64
|
|
# define NV_OS_WIN32 1
|
|
# define NV_OS_WIN64 1
|
|
#elif defined POSH_OS_WIN32
|
|
# define NV_OS_WIN32 1
|
|
#elif defined POSH_OS_XBOX
|
|
# define NV_OS_XBOX 1
|
|
#else
|
|
# error "Unsupported OS"
|
|
#endif
|
|
|
|
#ifndef NV_OS_WIN32
|
|
# define NV_OS_WIN32 0
|
|
#endif // NV_OS_WIN32
|
|
|
|
#ifndef NV_OS_WIN64
|
|
# define NV_OS_WIN64 0
|
|
#endif // NV_OS_WIN64
|
|
|
|
#ifndef NV_OS_MINGW
|
|
# define NV_OS_MINGW 0
|
|
#endif // NV_OS_MINGW
|
|
|
|
#ifndef NV_OS_CYGWIN
|
|
# define NV_OS_CYGWIN 0
|
|
#endif // NV_OS_CYGWIN
|
|
|
|
#ifndef NV_OS_LINUX
|
|
# define NV_OS_LINUX 0
|
|
#endif // NV_OS_LINUX
|
|
|
|
#ifndef NV_OS_FREEBSD
|
|
# define NV_OS_FREEBSD 0
|
|
#endif // NV_OS_FREEBSD
|
|
|
|
#ifndef NV_OS_OPENBSD
|
|
# define NV_OS_OPENBSD 0
|
|
#endif // NV_OS_OPENBSD
|
|
|
|
#ifndef NV_OS_UNIX
|
|
# define NV_OS_UNIX 0
|
|
#endif // NV_OS_UNIX
|
|
|
|
#ifndef NV_OS_DARWIN
|
|
# define NV_OS_DARWIN 0
|
|
#endif // NV_OS_DARWIN
|
|
|
|
#ifndef NV_OS_XBOX
|
|
# define NV_OS_XBOX 0
|
|
#endif // NV_OS_XBOX
|
|
|
|
#ifndef NV_OS_ORBIS
|
|
# define NV_OS_ORBIS 0
|
|
#endif // NV_OS_ORBIS
|
|
|
|
#ifndef NV_OS_IOS
|
|
# define NV_OS_IOS 0
|
|
#endif // NV_OS_IOS
|
|
|
|
// Threading:
|
|
// some platforms don't implement __thread or similar for thread-local-storage
|
|
#if NV_OS_UNIX || NV_OS_ORBIS || NV_OS_IOS //ACStodoIOS darwin instead of ios?
|
|
# define NV_OS_USE_PTHREAD 1
|
|
# if NV_OS_DARWIN || NV_OS_IOS
|
|
# define NV_OS_HAS_TLS_QUALIFIER 0
|
|
# else
|
|
# define NV_OS_HAS_TLS_QUALIFIER 1
|
|
# endif
|
|
#else
|
|
# define NV_OS_USE_PTHREAD 0
|
|
# define NV_OS_HAS_TLS_QUALIFIER 1
|
|
#endif
|
|
|
|
|
|
// CPUs:
|
|
|
|
#define NV_CPU_STRING POSH_CPU_STRING
|
|
|
|
#if defined POSH_CPU_X86_64
|
|
//# define NV_CPU_X86 1
|
|
# define NV_CPU_X86_64 1
|
|
#elif defined POSH_CPU_X86
|
|
# define NV_CPU_X86 1
|
|
#elif defined POSH_CPU_PPC
|
|
# define NV_CPU_PPC 1
|
|
#elif defined POSH_CPU_STRONGARM
|
|
# define NV_CPU_ARM 1
|
|
#elif defined POSH_CPU_AARCH64
|
|
# define NV_CPU_AARCH64 1
|
|
#else
|
|
# error "Unsupported CPU"
|
|
#endif
|
|
|
|
#ifndef NV_CPU_X86
|
|
# define NV_CPU_X86 0
|
|
#endif // NV_CPU_X86
|
|
|
|
#ifndef NV_CPU_X86_64
|
|
# define NV_CPU_X86_64 0
|
|
#endif // NV_CPU_X86_64
|
|
|
|
#ifndef NV_CPU_PPC
|
|
# define NV_CPU_PPC 0
|
|
#endif // NV_CPU_PPC
|
|
|
|
#ifndef NV_CPU_ARM
|
|
# define NV_CPU_ARM 0
|
|
#endif // NV_CPU_ARM
|
|
|
|
#ifndef NV_CPU_AARCH64
|
|
# define NV_CPU_AARCH64 0
|
|
#endif // NV_CPU_AARCH64
|
|
|
|
// Compiler:
|
|
|
|
#if defined POSH_COMPILER_CLANG
|
|
# define NV_CC_CLANG 1
|
|
# define NV_CC_GNUC 1 // Clang is compatible with GCC.
|
|
# define NV_CC_STRING "clang"
|
|
# pragma clang diagnostic ignored "-Wmissing-braces"
|
|
# pragma clang diagnostic ignored "-Wshadow"
|
|
# pragma clang diagnostic ignored "-Wunused-local-typedef"
|
|
# pragma clang diagnostic ignored "-Wunused-function"
|
|
# pragma clang diagnostic ignored "-Wunused-variable"
|
|
# pragma clang diagnostic ignored "-Wunused-parameter"
|
|
# pragma clang diagnostic ignored "-Wsometimes-uninitialized"
|
|
#elif defined POSH_COMPILER_GCC
|
|
# define NV_CC_GNUC 1
|
|
# define NV_CC_STRING "gcc"
|
|
# pragma GCC diagnostic ignored "-Wshadow"
|
|
# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
|
|
# pragma GCC diagnostic ignored "-Wunused-function"
|
|
# pragma GCC diagnostic ignored "-Wunused-but-set-variable"
|
|
# pragma GCC diagnostic ignored "-Wunused-variable"
|
|
# pragma GCC diagnostic ignored "-Wunused-parameter"
|
|
# pragma GCC diagnostic ignored "-Warray-bounds"
|
|
#elif defined POSH_COMPILER_MSVC
|
|
# define NV_CC_MSVC 1
|
|
# define NV_CC_STRING "msvc"
|
|
#else
|
|
# error "Unsupported compiler"
|
|
#endif
|
|
|
|
#ifndef NV_CC_GNUC
|
|
# define NV_CC_GNUC 0
|
|
#endif // NV_CC_GNUC
|
|
|
|
#ifndef NV_CC_MSVC
|
|
# define NV_CC_MSVC 0
|
|
#endif // NV_CC_MSVC
|
|
|
|
#ifndef NV_CC_CLANG
|
|
# define NV_CC_CLANG 0
|
|
#endif // NV_CC_CLANG
|
|
|
|
#if NV_CC_MSVC
|
|
#define NV_CC_CPP11 (__cplusplus > 199711L || _MSC_VER >= 1800) // Visual Studio 2013 has all the features we use, but doesn't advertise full C++11 support yet.
|
|
#else
|
|
// @@ IC: This works in CLANG, about GCC?
|
|
// @@ ES: Doesn't work in gcc. These 3 features are available in GCC >= 4.4.
|
|
#ifdef __clang__
|
|
#define NV_CC_CPP11 (__has_feature(cxx_deleted_functions) && __has_feature(cxx_rvalue_references) && __has_feature(cxx_static_assert))
|
|
#elif defined __GNUC__
|
|
#define NV_CC_CPP11 ( __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
|
|
#endif
|
|
#endif
|
|
|
|
// Endiannes:
|
|
#define NV_LITTLE_ENDIAN POSH_LITTLE_ENDIAN
|
|
#define NV_BIG_ENDIAN POSH_BIG_ENDIAN
|
|
#define NV_ENDIAN_STRING POSH_ENDIAN_STRING
|
|
|
|
|
|
// Type definitions:
|
|
typedef posh_u8_t uint8;
|
|
typedef posh_i8_t int8;
|
|
|
|
typedef posh_u16_t uint16;
|
|
typedef posh_i16_t int16;
|
|
|
|
typedef posh_u32_t uint32;
|
|
typedef posh_i32_t int32;
|
|
|
|
typedef posh_u64_t uint64;
|
|
typedef posh_i64_t int64;
|
|
|
|
// Aliases
|
|
typedef uint32 uint;
|
|
|
|
|
|
// Version string:
|
|
#define NV_VERSION_STRING \
|
|
NV_OS_STRING "/" NV_CC_STRING "/" NV_CPU_STRING"/" \
|
|
NV_ENDIAN_STRING"-endian - " __DATE__ "-" __TIME__
|
|
|
|
|
|
// Disable copy constructor and assignment operator.
|
|
#if NV_CC_CPP11
|
|
#define NV_FORBID_COPY(C) \
|
|
C( const C & ) = delete; \
|
|
C &operator=( const C & ) = delete
|
|
#else
|
|
#define NV_FORBID_COPY(C) \
|
|
private: \
|
|
C( const C & ); \
|
|
C &operator=( const C & )
|
|
#endif
|
|
|
|
// Disable dynamic allocation on the heap.
|
|
// See Prohibiting Heap-Based Objects in More Effective C++.
|
|
#define NV_FORBID_HEAPALLOC() \
|
|
private: \
|
|
void *operator new(size_t size); \
|
|
void *operator new[](size_t size)
|
|
|
|
// String concatenation macros.
|
|
#define NV_STRING_JOIN2(arg1, arg2) NV_DO_STRING_JOIN2(arg1, arg2)
|
|
#define NV_DO_STRING_JOIN2(arg1, arg2) arg1 ## arg2
|
|
#define NV_STRING_JOIN3(arg1, arg2, arg3) NV_DO_STRING_JOIN3(arg1, arg2, arg3)
|
|
#define NV_DO_STRING_JOIN3(arg1, arg2, arg3) arg1 ## arg2 ## arg3
|
|
#define NV_STRING2(x) #x
|
|
#define NV_STRING(x) NV_STRING2(x)
|
|
|
|
#if NV_CC_MSVC
|
|
#define NV_MULTI_LINE_MACRO_BEGIN do {
|
|
#define NV_MULTI_LINE_MACRO_END \
|
|
__pragma(warning(push)) \
|
|
__pragma(warning(disable:4127)) \
|
|
} while(false) \
|
|
__pragma(warning(pop))
|
|
#else
|
|
#define NV_MULTI_LINE_MACRO_BEGIN do {
|
|
#define NV_MULTI_LINE_MACRO_END } while(false)
|
|
#endif
|
|
|
|
#if NV_CC_CPP11
|
|
#define nvStaticCheck(x) static_assert((x), "Static assert "#x" failed")
|
|
#else
|
|
#define nvStaticCheck(x) typedef char NV_STRING_JOIN2(__static_assert_,__LINE__)[(x)]
|
|
#endif
|
|
#define NV_COMPILER_CHECK(x) nvStaticCheck(x) // I like this name best.
|
|
|
|
// Make sure type definitions are fine.
|
|
NV_COMPILER_CHECK(sizeof(int8) == 1);
|
|
NV_COMPILER_CHECK(sizeof(uint8) == 1);
|
|
NV_COMPILER_CHECK(sizeof(int16) == 2);
|
|
NV_COMPILER_CHECK(sizeof(uint16) == 2);
|
|
NV_COMPILER_CHECK(sizeof(int32) == 4);
|
|
NV_COMPILER_CHECK(sizeof(uint32) == 4);
|
|
NV_COMPILER_CHECK(sizeof(int32) == 4);
|
|
NV_COMPILER_CHECK(sizeof(uint32) == 4);
|
|
|
|
|
|
#define NV_ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
|
|
|
|
#if 0 // Disabled in The Witness.
|
|
#if NV_CC_MSVC
|
|
#define NV_MESSAGE(x) message(__FILE__ "(" NV_STRING(__LINE__) ") : " x)
|
|
#else
|
|
#define NV_MESSAGE(x) message(x)
|
|
#endif
|
|
#else
|
|
#define NV_MESSAGE(x)
|
|
#endif
|
|
|
|
|
|
// Startup initialization macro.
|
|
#define NV_AT_STARTUP(some_code) \
|
|
namespace { \
|
|
static struct NV_STRING_JOIN2(AtStartup_, __LINE__) { \
|
|
NV_STRING_JOIN2(AtStartup_, __LINE__)() { some_code; } \
|
|
} \
|
|
NV_STRING_JOIN3(AtStartup_, __LINE__, Instance); \
|
|
}
|
|
|
|
// Indicate the compiler that the parameter is not used to suppress compier warnings.
|
|
#define NV_UNUSED(a) ((a)=(a))
|
|
|
|
// Null index. @@ Move this somewhere else... it's only used by nvmesh.
|
|
//const unsigned int NIL = unsigned int(~0);
|
|
//#define NIL uint(~0)
|
|
|
|
// Null pointer.
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
|
|
// Platform includes
|
|
#if NV_CC_MSVC
|
|
# if NV_OS_WIN32
|
|
# include "defsvcwin32.h"
|
|
# elif NV_OS_XBOX
|
|
# include "defsvcxbox.h"
|
|
# else
|
|
# error "MSVC: Platform not supported"
|
|
# endif
|
|
#elif NV_CC_GNUC
|
|
# if NV_OS_LINUX
|
|
# include "defsgnuclinux.h"
|
|
# elif NV_OS_DARWIN || NV_OS_FREEBSD || NV_OS_OPENBSD
|
|
# include "defsgnucdarwin.h"
|
|
# elif NV_OS_MINGW
|
|
# include "defsgnucwin32.h"
|
|
# elif NV_OS_CYGWIN
|
|
# error "GCC: Cygwin not supported"
|
|
# else
|
|
# error "GCC: Platform not supported"
|
|
# endif
|
|
#endif
|
|
|
|
#endif // NV_CORE_H
|