75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
#include <QDebug>
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#include <QString>
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#include "sys.h"
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#ifdef Q_OS_MACOS
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#include <sys/sysctl.h>
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#endif
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#include <QFile>
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#include <QMap>
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#include <QProcess>
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#include <QStandardPaths>
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#ifdef Q_OS_MACOS
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bool rosettaDetect()
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{
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int ret = 0;
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size_t size = sizeof(ret);
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if (sysctlbyname("sysctl.proc_translated", &ret, &size, NULL, 0) == -1) {
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return false;
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}
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if (ret == 0) {
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return false;
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}
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if (ret == 1) {
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return true;
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}
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return false;
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}
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#endif
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namespace SysInfo {
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QString currentSystem()
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{
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#if defined(Q_OS_LINUX)
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return "linux";
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#elif defined(Q_OS_MACOS)
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return "osx";
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#elif defined(Q_OS_WINDOWS)
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return "windows";
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#elif defined(Q_OS_FREEBSD)
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return "freebsd";
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#elif defined(Q_OS_OPENBSD)
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return "openbsd";
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#else
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return "unknown";
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#endif
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}
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QString useQTForArch()
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{
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auto qtArch = QSysInfo::currentCpuArchitecture();
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#if defined(Q_OS_MACOS) && !defined(Q_PROCESSOR_ARM)
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if (rosettaDetect()) {
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return "arm64";
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} else {
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return "x86_64";
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}
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#endif
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return qtArch;
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}
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int suitableMaxMem()
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{
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float totalRAM = (float)Sys::getSystemRam() / (float)Sys::mebibyte;
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int maxMemoryAlloc;
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// If totalRAM < 6GB, use (totalRAM / 1.5), else 4GB
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if (totalRAM < (4096 * 1.5))
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maxMemoryAlloc = (int)(totalRAM / 1.5);
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else
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maxMemoryAlloc = 4096;
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return maxMemoryAlloc;
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}
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} // namespace SysInfo
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