mirror of
https://github.com/Xahau/xahaud.git
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419 lines
13 KiB
C++
419 lines
13 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Portions of this file are from JUCE.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Please visit http://www.juce.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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void Logger::outputDebugString (const String& text)
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{
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OutputDebugString ((text + "\n").toWideCharPointer());
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}
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//==============================================================================
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#ifdef BEAST_DLL_BUILD
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BEAST_API void* beastDLL_malloc (size_t sz) { return std::malloc (sz); }
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BEAST_API void beastDLL_free (void* block) { std::free (block); }
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#endif
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//==============================================================================
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#if BEAST_USE_INTRINSICS
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// CPU info functions using intrinsics...
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#pragma intrinsic (__cpuid)
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#pragma intrinsic (__rdtsc)
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String SystemStats::getCpuVendor()
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{
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int info [4];
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__cpuid (info, 0);
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char v [12];
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memcpy (v, info + 1, 4);
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memcpy (v + 4, info + 3, 4);
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memcpy (v + 8, info + 2, 4);
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return String (v, 12);
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}
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#else
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//==============================================================================
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// CPU info functions using old fashioned inline asm...
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static void beast_getCpuVendor (char* const v)
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{
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int vendor[4] = { 0 };
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#if ! BEAST_MINGW
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__try
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#endif
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{
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#if BEAST_GCC
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unsigned int dummy = 0;
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__asm__ ("cpuid" : "=a" (dummy), "=b" (vendor[0]), "=c" (vendor[2]),"=d" (vendor[1]) : "a" (0));
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#else
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__asm
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{
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mov eax, 0
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cpuid
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mov [vendor], ebx
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mov [vendor + 4], edx
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mov [vendor + 8], ecx
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}
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#endif
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}
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#if ! BEAST_MINGW
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__except (EXCEPTION_EXECUTE_HANDLER)
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{
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}
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#endif
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memcpy (v, vendor, 16);
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}
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String SystemStats::getCpuVendor()
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{
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char v [16];
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beast_getCpuVendor (v);
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return String (v, 16);
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}
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#endif
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//==============================================================================
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void CPUInformation::initialise() noexcept
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{
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hasMMX = IsProcessorFeaturePresent (PF_MMX_INSTRUCTIONS_AVAILABLE) != 0;
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hasSSE = IsProcessorFeaturePresent (PF_XMMI_INSTRUCTIONS_AVAILABLE) != 0;
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hasSSE2 = IsProcessorFeaturePresent (PF_XMMI64_INSTRUCTIONS_AVAILABLE) != 0;
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hasSSE3 = IsProcessorFeaturePresent (13 /*PF_SSE3_INSTRUCTIONS_AVAILABLE*/) != 0;
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has3DNow = IsProcessorFeaturePresent (7 /*PF_AMD3D_INSTRUCTIONS_AVAILABLE*/) != 0;
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SYSTEM_INFO systemInfo;
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GetNativeSystemInfo (&systemInfo);
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numCpus = (int) systemInfo.dwNumberOfProcessors;
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}
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//==============================================================================
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static bool isWindowsVersionOrLater (SystemStats::OperatingSystemType target)
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{
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OSVERSIONINFOEX info;
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zerostruct (info);
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info.dwOSVersionInfoSize = sizeof (OSVERSIONINFOEX);
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if (target >= SystemStats::WinVista)
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{
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info.dwMajorVersion = 6;
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switch (target)
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{
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case SystemStats::WinVista: info.dwMinorVersion = 0; break;
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case SystemStats::Windows7: info.dwMinorVersion = 1; break;
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case SystemStats::Windows8: info.dwMinorVersion = 2; break;
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default: bassertfalse; break;
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}
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}
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else
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{
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info.dwMajorVersion = 5;
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info.dwMinorVersion = target >= SystemStats::WinXP ? 1 : 0;
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}
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DWORDLONG mask = 0;
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VER_SET_CONDITION (mask, VER_MAJORVERSION, VER_GREATER_EQUAL);
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VER_SET_CONDITION (mask, VER_MINORVERSION, VER_GREATER_EQUAL);
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VER_SET_CONDITION (mask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
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VER_SET_CONDITION (mask, VER_SERVICEPACKMINOR, VER_GREATER_EQUAL);
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return VerifyVersionInfo (&info,
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VER_MAJORVERSION | VER_MINORVERSION
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| VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
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mask) != FALSE;
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}
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SystemStats::OperatingSystemType SystemStats::getOperatingSystemType()
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{
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const SystemStats::OperatingSystemType types[]
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= { Windows8, Windows7, WinVista, WinXP, Win2000 };
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for (int i = 0; i < numElementsInArray (types); ++i)
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if (isWindowsVersionOrLater (types[i]))
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return types[i];
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bassertfalse; // need to support whatever new version is running!
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return UnknownOS;
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}
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String SystemStats::getOperatingSystemName()
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{
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const char* name = "Unknown OS";
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switch (getOperatingSystemType())
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{
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case Windows7: name = "Windows 7"; break;
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case Windows8: name = "Windows 8"; break;
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case WinVista: name = "Windows Vista"; break;
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case WinXP: name = "Windows XP"; break;
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case Win2000: name = "Windows 2000"; break;
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default: bassertfalse; break; // !! new type of OS?
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}
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return name;
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}
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bool SystemStats::isOperatingSystem64Bit()
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{
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#if BEAST_64BIT
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return true;
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#else
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typedef BOOL (WINAPI* LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
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LPFN_ISWOW64PROCESS fnIsWow64Process
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= (LPFN_ISWOW64PROCESS) GetProcAddress (GetModuleHandleA ("kernel32"), "IsWow64Process");
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BOOL isWow64 = FALSE;
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return fnIsWow64Process != nullptr
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&& fnIsWow64Process (GetCurrentProcess(), &isWow64)
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&& isWow64 != FALSE;
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#endif
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}
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//==============================================================================
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int SystemStats::getMemorySizeInMegabytes()
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{
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MEMORYSTATUSEX mem;
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mem.dwLength = sizeof (mem);
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GlobalMemoryStatusEx (&mem);
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return (int) (mem.ullTotalPhys / (1024 * 1024)) + 1;
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}
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//==============================================================================
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String SystemStats::getEnvironmentVariable (const String& name, const String& defaultValue)
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{
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DWORD len = GetEnvironmentVariableW (name.toWideCharPointer(), nullptr, 0);
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if (GetLastError() == ERROR_ENVVAR_NOT_FOUND)
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return String (defaultValue);
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HeapBlock<WCHAR> buffer (len);
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len = GetEnvironmentVariableW (name.toWideCharPointer(), buffer, len);
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return String (CharPointer_wchar_t (buffer),
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CharPointer_wchar_t (buffer + len));
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}
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//==============================================================================
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uint32 beast_millisecondsSinceStartup() noexcept
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{
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return (uint32) timeGetTime();
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}
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//==============================================================================
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class HiResCounterHandler
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{
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public:
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HiResCounterHandler()
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: hiResTicksOffset (0)
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{
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const MMRESULT res = timeBeginPeriod (1);
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(void) res;
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bassert (res == TIMERR_NOERROR);
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LARGE_INTEGER f;
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QueryPerformanceFrequency (&f);
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hiResTicksPerSecond = f.QuadPart;
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hiResTicksScaleFactor = 1000.0 / hiResTicksPerSecond;
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}
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inline int64 getHighResolutionTicks() noexcept
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{
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LARGE_INTEGER ticks;
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QueryPerformanceCounter (&ticks);
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const int64 mainCounterAsHiResTicks = (beast_millisecondsSinceStartup() * hiResTicksPerSecond) / 1000;
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const int64 newOffset = mainCounterAsHiResTicks - ticks.QuadPart;
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// fix for a very obscure PCI hardware bug that can make the counter
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// sometimes jump forwards by a few seconds..
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const int64 offsetDrift = abs64 (newOffset - hiResTicksOffset);
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if (offsetDrift > (hiResTicksPerSecond >> 1))
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hiResTicksOffset = newOffset;
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return ticks.QuadPart + hiResTicksOffset;
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}
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inline double getMillisecondCounterHiRes() noexcept
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{
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return getHighResolutionTicks() * hiResTicksScaleFactor;
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}
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int64 hiResTicksPerSecond, hiResTicksOffset;
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double hiResTicksScaleFactor;
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};
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static HiResCounterHandler hiResCounterHandler;
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int64 Time::getHighResolutionTicksPerSecond() noexcept { return hiResCounterHandler.hiResTicksPerSecond; }
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int64 Time::getHighResolutionTicks() noexcept { return hiResCounterHandler.getHighResolutionTicks(); }
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double Time::getMillisecondCounterHiRes() noexcept { return hiResCounterHandler.getMillisecondCounterHiRes(); }
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//==============================================================================
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static int64 beast_getClockCycleCounter() noexcept
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{
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#if BEAST_USE_INTRINSICS
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// MS intrinsics version...
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return (int64) __rdtsc();
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#elif BEAST_GCC
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// GNU inline asm version...
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unsigned int hi = 0, lo = 0;
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__asm__ __volatile__ (
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"xor %%eax, %%eax \n\
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xor %%edx, %%edx \n\
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rdtsc \n\
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movl %%eax, %[lo] \n\
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movl %%edx, %[hi]"
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:
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: [hi] "m" (hi),
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[lo] "m" (lo)
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: "cc", "eax", "ebx", "ecx", "edx", "memory");
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return (int64) ((((uint64) hi) << 32) | lo);
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#else
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// MSVC inline asm version...
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unsigned int hi = 0, lo = 0;
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__asm
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{
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xor eax, eax
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xor edx, edx
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rdtsc
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mov lo, eax
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mov hi, edx
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}
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return (int64) ((((uint64) hi) << 32) | lo);
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#endif
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}
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int SystemStats::getCpuSpeedInMegaherz()
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{
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const int64 cycles = beast_getClockCycleCounter();
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const uint32 millis = Time::getMillisecondCounter();
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int lastResult = 0;
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for (;;)
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{
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int n = 1000000;
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while (--n > 0) {}
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const uint32 millisElapsed = Time::getMillisecondCounter() - millis;
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const int64 cyclesNow = beast_getClockCycleCounter();
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if (millisElapsed > 80)
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{
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const int newResult = (int) (((cyclesNow - cycles) / millisElapsed) / 1000);
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if (millisElapsed > 500 || (lastResult == newResult && newResult > 100))
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return newResult;
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lastResult = newResult;
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}
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}
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}
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//==============================================================================
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bool Time::setSystemTimeToThisTime() const
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{
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SYSTEMTIME st;
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st.wDayOfWeek = 0;
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st.wYear = (WORD) getYear();
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st.wMonth = (WORD) (getMonth() + 1);
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st.wDay = (WORD) getDayOfMonth();
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st.wHour = (WORD) getHours();
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st.wMinute = (WORD) getMinutes();
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st.wSecond = (WORD) getSeconds();
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st.wMilliseconds = (WORD) (millisSinceEpoch % 1000);
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// do this twice because of daylight saving conversion problems - the
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// first one sets it up, the second one kicks it in.
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return SetLocalTime (&st) != 0
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&& SetLocalTime (&st) != 0;
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}
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int SystemStats::getPageSize()
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{
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SYSTEM_INFO systemInfo;
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GetNativeSystemInfo (&systemInfo);
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return (int) systemInfo.dwPageSize;
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}
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//==============================================================================
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String SystemStats::getLogonName()
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{
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TCHAR text [256] = { 0 };
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DWORD len = (DWORD) numElementsInArray (text) - 1;
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GetUserName (text, &len);
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return String (text, len);
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}
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String SystemStats::getFullUserName()
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{
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return getLogonName();
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}
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String SystemStats::getComputerName()
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{
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TCHAR text [MAX_COMPUTERNAME_LENGTH + 1] = { 0 };
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DWORD len = (DWORD) numElementsInArray (text) - 1;
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GetComputerName (text, &len);
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return String (text, len);
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}
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static String getLocaleValue (LCID locale, LCTYPE key, const char* defaultValue)
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{
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TCHAR buffer [256] = { 0 };
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if (GetLocaleInfo (locale, key, buffer, 255) > 0)
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return buffer;
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return defaultValue;
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}
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String SystemStats::getUserLanguage() { return getLocaleValue (LOCALE_USER_DEFAULT, LOCALE_SISO639LANGNAME, "en"); }
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String SystemStats::getUserRegion() { return getLocaleValue (LOCALE_USER_DEFAULT, LOCALE_SISO3166CTRYNAME, "US"); }
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String SystemStats::getDisplayLanguage()
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{
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DynamicLibrary dll ("kernel32.dll");
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BEAST_LOAD_WINAPI_FUNCTION (dll, GetUserDefaultUILanguage, getUserDefaultUILanguage, LANGID, (void))
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if (getUserDefaultUILanguage != nullptr)
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return getLocaleValue (MAKELCID (getUserDefaultUILanguage(), SORT_DEFAULT), LOCALE_SISO639LANGNAME, "en");
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return "en";
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}
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