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Windows: Detect Windows 10 using kernel32.dll.

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This is the recommended way per MSDN.
This commit is contained in:
Unknown W. Brackets 2018-09-30 00:00:40 -07:00
parent bb5b981efa
commit 1103acdd05
1 changed files with 43 additions and 1 deletions
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44
Common/OSVersion.cpp
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@ -2,10 +2,39 @@
#ifdef _WIN32
#if !PPSSPP_PLATFORM(UWP)
#pragma comment(lib, "version.lib")
#endif
#include <cstdint>
#include "OSVersion.h"
#include "Common/CommonWindows.h"
bool GetVersionFromKernel32(uint32_t &major, uint32_t &minor, uint32_t &build) {
#if PPSSPP_PLATFORM(UWP)
return false;
#else
DWORD handle = 0;
DWORD verSize = GetFileVersionInfoSizeA("kernel32.dll", &handle);
if (verSize == 0)
return false;
std::vector<char> verData(verSize);
if (GetFileVersionInfoW(L"kernel32.dll", 0, verSize, &verData[0]) == 0)
return false;
VS_FIXEDFILEINFO *buf = nullptr;
uint32_t sz = 0;
if (VerQueryValueW(&verData[0], L"\\", (void **)&buf, &sz) == 0)
return false;
major = buf->dwProductVersionMS >> 16;
minor = buf->dwProductVersionMS & 0xFFFF;
build = buf->dwProductVersionLS >> 16;
return true;
#endif
}
bool DoesVersionMatchWindows(uint32_t major, uint32_t minor, uint32_t spMajor, uint32_t spMinor, bool greater) {
#if PPSSPP_PLATFORM(UWP)
if (greater)
@ -13,6 +42,17 @@ bool DoesVersionMatchWindows(uint32_t major, uint32_t minor, uint32_t spMajor, u
else
return major >= 7;
#else
if (spMajor == 0 && spMinor == 0) {
// "Applications not manifested for Windows 10 will return the Windows 8 OS version value (6.2)."
// Try to use kernel32.dll instead, for Windows 10+. Doesn't do SP versions.
uint32_t actualMajor, actualMinor, actualBuild;
if (GetVersionFromKernel32(actualMajor, actualMinor, actualBuild)) {
if (greater)
return major > actualMajor || (major == actualMajor && minor >= actualMinor);
return major == actualMajor && minor == actualMinor;
}
}
uint64_t conditionMask = 0;
OSVERSIONINFOEX osvi;
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
@ -64,6 +104,7 @@ std::string GetWindowsVersion() {
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);
const bool IsWindows10 = DoesVersionMatchWindows(10, 0, 0, 0, false);
if (IsWindowsXPSP2) return "Microsoft Windows XP, Service Pack 2";
if (IsWindowsXPSP3) return "Microsoft Windows XP, Service Pack 3";
@ -72,8 +113,9 @@ std::string GetWindowsVersion() {
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) return "Microsoft Windows 8";
if (IsWindows8_1) return "Microsoft Windows 8.1";
if (IsWindows10) return "Microsoft Windows 10";
return "Unsupported version of Microsoft Windows.";
}