ShatteredPrism/launcher/SysInfo.cpp
2025-01-11 13:58:12 -06:00

100 lines
2.2 KiB
C++

#include <QDebug>
#include <QString>
#include "sys.h"
#ifdef Q_OS_MACOS
#include <sys/sysctl.h>
#endif
#include <QFile>
#include <QMap>
#include <QProcess>
#include <QStandardPaths>
#ifdef Q_OS_MACOS
bool rosettaDetect()
{
int ret = 0;
size_t size = sizeof(ret);
if (sysctlbyname("sysctl.proc_translated", &ret, &size, NULL, 0) == -1) {
return false;
}
return ret == 1;
}
#endif
namespace SysInfo {
QString currentSystem()
{
#if defined(Q_OS_LINUX)
return "linux";
#elif defined(Q_OS_MACOS)
return "osx";
#elif defined(Q_OS_WINDOWS)
return "windows";
#elif defined(Q_OS_FREEBSD)
return "freebsd";
#elif defined(Q_OS_OPENBSD)
return "openbsd";
#else
return "unknown";
#endif
}
QString useQTForArch()
{
#if defined(Q_OS_MACOS) && !defined(Q_PROCESSOR_ARM)
if (rosettaDetect()) {
return "arm64";
} else {
return "x86_64";
}
#endif
return QSysInfo::currentCpuArchitecture();
}
int suitableMaxMem()
{
float totalRAM = (float)Sys::getSystemRam() / (float)Sys::mebibyte;
int maxMemoryAlloc;
// If totalRAM < 6GB, use (totalRAM / 1.5), else 4GB
if (totalRAM < (4096 * 1.5))
maxMemoryAlloc = (int)(totalRAM / 1.5);
else
maxMemoryAlloc = 4096;
return maxMemoryAlloc;
}
QString getSupportedJavaArchitecture()
{
auto sys = currentSystem();
auto arch = useQTForArch();
if (sys == "windows") {
if (arch == "x86_64")
return "windows-x64";
if (arch == "i386")
return "windows-x86";
// Unknown, maybe arm, appending arch
return "windows-" + arch;
}
if (sys == "osx") {
if (arch == "arm64")
return "mac-os-arm64";
if (arch.contains("64"))
return "mac-os-x64";
if (arch.contains("86"))
return "mac-os-x86";
// Unknown, maybe something new, appending arch
return "mac-os-" + arch;
} else if (sys == "linux") {
if (arch == "x86_64")
return "linux-x64";
if (arch == "i386")
return "linux-x86";
// will work for arm32 arm(64)
return "linux-" + arch;
}
return {};
}
} // namespace SysInfo