ppsspp/Common/OSVersion.cpp
2017-02-25 09:57:14 +01:00

96 lines
3.4 KiB
C++

#include "ppsspp_config.h"
#ifdef _MSC_VER
#include <cstdint>
#include "OSVersion.h"
#include "Common/CommonWindows.h"
bool DoesVersionMatchWindows(uint32_t major, uint32_t minor, uint32_t spMajor, uint32_t spMinor, bool greater) {
#if PPSSPP_PLATFORM(UWP)
if (greater)
return true;
else
return major >= 7;
#else
uint64_t conditionMask = 0;
OSVERSIONINFOEX osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
osvi.dwOSVersionInfoSize = sizeof(osvi);
osvi.dwMajorVersion = major;
osvi.dwMinorVersion = minor;
osvi.wServicePackMajor = spMajor;
osvi.wServicePackMinor = spMinor;
uint32_t op = greater ? VER_GREATER_EQUAL : VER_EQUAL;
VER_SET_CONDITION(conditionMask, VER_MAJORVERSION, op);
VER_SET_CONDITION(conditionMask, VER_MINORVERSION, op);
VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMAJOR, op);
VER_SET_CONDITION(conditionMask, VER_SERVICEPACKMINOR, op);
const uint32_t typeMask = VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR;
return VerifyVersionInfo(&osvi, typeMask, conditionMask) != FALSE;
#endif
}
bool IsVistaOrHigher() {
#if PPSSPP_PLATFORM(UWP)
return true;
#else
OSVERSIONINFOEX osvi;
DWORDLONG dwlConditionMask = 0;
int op = VER_GREATER_EQUAL;
ZeroMemory(&osvi, sizeof(osvi));
osvi.dwOSVersionInfoSize = sizeof(osvi);
osvi.dwMajorVersion = 6; // Vista is 6.0
osvi.dwMinorVersion = 0;
VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, op);
VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, op);
return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask) != FALSE;
#endif
}
std::string GetWindowsVersion() {
const bool IsWindowsXPSP2 = DoesVersionMatchWindows(5, 1, 2, 0, false);
const bool IsWindowsXPSP3 = DoesVersionMatchWindows(5, 1, 3, 0, false);
const bool IsWindowsVista = DoesVersionMatchWindows(6, 0, 0, 0, false);
const bool IsWindowsVistaSP1 = DoesVersionMatchWindows(6, 0, 1, 0, false);
const bool IsWindowsVistaSP2 = DoesVersionMatchWindows(6, 0, 2, 0, false);
const bool IsWindows7 = DoesVersionMatchWindows(6, 1, 0, 0, false);
const bool IsWindows7SP1 = DoesVersionMatchWindows(6, 1, 1, 0, false);
const bool IsWindows8 = DoesVersionMatchWindows(6, 2, 0, 0, false);
const bool IsWindows8_1 = DoesVersionMatchWindows(6, 3, 0, 0, false);
if (IsWindowsXPSP2) return "Microsoft Windows XP, Service Pack 2";
if (IsWindowsXPSP3) return "Microsoft Windows XP, Service Pack 3";
if (IsWindowsVista) return "Microsoft Windows Vista";
if (IsWindowsVistaSP1) return "Microsoft Windows Vista, Service Pack 1";
if (IsWindowsVistaSP2) return "Microsoft Windows Vista, Service Pack 2";
if (IsWindows7) return "Microsoft Windows 7";
if (IsWindows7SP1) return "Microsoft Windows 7, Service Pack 1";
if (IsWindows8) return "Microsoft Windows 8 or greater"; // "Applications not manifested for Windows 10 will return the Windows 8 OS version value (6.2)."
if (IsWindows8_1) return "Microsoft Windows 8.1";
return "Unsupported version of Microsoft Windows.";
}
std::string GetWindowsSystemArchitecture() {
SYSTEM_INFO sysinfo;
ZeroMemory(&sysinfo, sizeof(SYSTEM_INFO));
GetNativeSystemInfo(&sysinfo);
if (sysinfo.wProcessorArchitecture & PROCESSOR_ARCHITECTURE_AMD64)
return "(x64)";
// Need to check for equality here, since ANDing with 0 is always 0.
else if (sysinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL)
return "(x86)";
else if (sysinfo.wProcessorArchitecture & PROCESSOR_ARCHITECTURE_ARM)
return "(ARM)";
else
return "(Unknown)";
}
#endif