Files
PrismLauncher/launcher/HardwareInfo.cpp

347 lines
9.3 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2026 Octol1ttle <l1ttleofficial@outlook.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "HardwareInfo.h"
#include <QCoreApplication>
#include <QOffscreenSurface>
#include <QOpenGLFunctions>
#include <QProcessEnvironment>
#include "BuildConfig.h"
#ifndef Q_OS_MACOS
#include <QVulkanInstance>
#include <QVulkanWindow>
#endif
namespace {
bool vulkanInfo(QStringList& out)
{
if (!QProcessEnvironment::systemEnvironment()
.value(QStringLiteral("%1_DISABLE_GLVULKAN").arg(BuildConfig.LAUNCHER_ENVNAME))
.isEmpty()) {
return false;
}
#ifndef Q_OS_MACOS
QVulkanInstance inst;
if (!inst.create()) {
qWarning() << "Vulkan instance creation failed, VkResult:" << inst.errorCode();
out << "Couldn't get Vulkan device information";
return false;
}
QVulkanWindow window;
window.setVulkanInstance(&inst);
for (auto device : window.availablePhysicalDevices()) {
const auto supportedVulkanVersion = QVersionNumber(VK_API_VERSION_MAJOR(device.apiVersion), VK_API_VERSION_MINOR(device.apiVersion),
VK_API_VERSION_PATCH(device.apiVersion));
out << QString("Found Vulkan device: %1 (API version %2)").arg(device.deviceName).arg(supportedVulkanVersion.toString());
}
#endif
return true;
}
bool openGlInfo(QStringList& out)
{
if (!QProcessEnvironment::systemEnvironment()
.value(QStringLiteral("%1_DISABLE_GLVULKAN").arg(BuildConfig.LAUNCHER_ENVNAME))
.isEmpty()) {
return false;
}
QOpenGLContext ctx;
if (!ctx.create()) {
qWarning() << "OpenGL context creation failed";
out << "Couldn't get OpenGL device information";
return false;
}
QOffscreenSurface surface;
surface.create();
ctx.makeCurrent(&surface);
auto* f = ctx.functions();
f->initializeOpenGLFunctions();
auto toQString = [](const GLubyte* str) { return QString(reinterpret_cast<const char*>(str)); };
out << "OpenGL driver vendor: " + toQString(f->glGetString(GL_VENDOR));
out << "OpenGL renderer: " + toQString(f->glGetString(GL_RENDERER));
out << "OpenGL driver version: " + toQString(f->glGetString(GL_VERSION));
return true;
}
} // namespace
#ifndef Q_OS_LINUX
QStringList HardwareInfo::gpuInfo()
{
QStringList info;
vulkanInfo(info);
openGlInfo(info);
return info;
}
#endif
#ifdef Q_OS_WINDOWS
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <QSettings>
#include "windows.h"
QString HardwareInfo::cpuInfo()
{
const QSettings registry(R"(HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0)", QSettings::NativeFormat);
return registry.value("ProcessorNameString").toString();
}
uint64_t HardwareInfo::totalRamMiB()
{
MEMORYSTATUSEX status;
status.dwLength = sizeof status;
if (GlobalMemoryStatusEx(&status) == TRUE) {
// transforming bytes -> mib
return status.ullTotalPhys / 1024 / 1024;
}
qWarning() << "Could not get total RAM: GlobalMemoryStatusEx";
return 0;
}
uint64_t HardwareInfo::availableRamMiB()
{
MEMORYSTATUSEX status;
status.dwLength = sizeof status;
if (GlobalMemoryStatusEx(&status) == TRUE) {
// transforming bytes -> mib
return status.ullAvailPhys / 1024 / 1024;
}
qWarning() << "Could not get available RAM: GlobalMemoryStatusEx";
return 0;
}
#elif defined(Q_OS_MACOS)
#include "sys/sysctl.h"
QString HardwareInfo::cpuInfo()
{
std::array<char, 512> buffer;
size_t bufferSize = buffer.size();
if (sysctlbyname("machdep.cpu.brand_string", &buffer, &bufferSize, nullptr, 0) == 0) {
return QString(buffer.data());
}
qWarning() << "Could not get CPU model: sysctlbyname";
return "";
}
uint64_t HardwareInfo::totalRamMiB()
{
uint64_t memsize;
size_t memsizeSize = sizeof memsize;
if (sysctlbyname("hw.memsize", &memsize, &memsizeSize, nullptr, 0) == 0) {
// transforming bytes -> mib
return memsize / 1024 / 1024;
}
qWarning() << "Could not get total RAM: sysctlbyname";
return 0;
}
uint64_t HardwareInfo::availableRamMiB()
{
return 0;
}
MacOSHardwareInfo::MemoryPressureLevel MacOSHardwareInfo::memoryPressureLevel()
{
uint32_t level;
size_t levelSize = sizeof level;
if (sysctlbyname("kern.memorystatus_vm_pressure_level", &level, &levelSize, nullptr, 0) == 0) {
return static_cast<MemoryPressureLevel>(level);
}
qWarning() << "Could not get memory pressure level: sysctlbyname";
return MemoryPressureLevel::Normal;
}
QString MacOSHardwareInfo::memoryPressureLevelName()
{
// The names are internal, users refer to levels by their graph colors in Activity Monitor
switch (memoryPressureLevel()) {
case MemoryPressureLevel::Normal:
return "Green";
case MemoryPressureLevel::Warning:
return "Yellow";
case MemoryPressureLevel::Critical:
return "Red";
}
}
#elif defined(Q_OS_LINUX)
#include <fstream>
namespace {
QString afterColon(QString& str)
{
return str.remove(0, str.indexOf(':') + 2).trimmed();
}
} // namespace
QString HardwareInfo::cpuInfo()
{
std::ifstream cpuin("/proc/cpuinfo");
for (std::string line; std::getline(cpuin, line);) {
// model name : AMD Ryzen 7 5800X 8-Core Processor
if (QString str = QString::fromStdString(line); str.startsWith("model name")) {
return afterColon(str);
}
}
qWarning() << "Could not get CPU model: /proc/cpuinfo";
return "unknown";
}
uint64_t readMemInfo(QString searchTarget)
{
std::ifstream memin("/proc/meminfo");
for (std::string line; std::getline(memin, line);) {
// MemTotal: 16287480 kB
if (QString str = QString::fromStdString(line); str.startsWith(searchTarget)) {
bool ok = false;
const uint total = str.simplified().section(' ', 1, 1).toUInt(&ok);
if (!ok) {
qWarning() << "Could not read /proc/meminfo: failed to parse string:" << str;
return 0;
}
// transforming kib -> mib
return total / 1024;
}
}
qWarning() << "Could not read /proc/meminfo: search target not found:" << searchTarget;
return 0;
}
uint64_t HardwareInfo::totalRamMiB()
{
return readMemInfo("MemTotal");
}
uint64_t HardwareInfo::availableRamMiB()
{
return readMemInfo("MemAvailable");
}
QStringList HardwareInfo::gpuInfo()
{
QStringList list;
const bool vulkanSuccess = vulkanInfo(list);
const bool openGlSuccess = openGlInfo(list);
if (vulkanSuccess || openGlSuccess) {
return list;
}
std::array<char, 512> buffer;
FILE* lspci = popen("lspci -k", "r");
if (!lspci) {
return { "Could not detect GPUs: lspci is not present" };
}
bool readingGpuInfo = false;
QString currentModel = "";
while (fgets(buffer.data(), 512, lspci) != nullptr) {
QString str(buffer.data());
// clang-format off
// 04:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev e7)
// Subsystem: Sapphire Technology Limited Radeon RX 580 Pulse 4GB
// Kernel driver in use: amdgpu
// Kernel modules: amdgpu
// clang-format on
if (str.contains("VGA compatible controller")) {
readingGpuInfo = true;
} else if (!str.startsWith('\t')) {
readingGpuInfo = false;
}
if (!readingGpuInfo) {
continue;
}
if (str.contains("Subsystem")) {
currentModel = "Found GPU: " + afterColon(str);
}
if (str.contains("Kernel driver in use")) {
currentModel += " (using driver " + afterColon(str);
}
if (str.contains("Kernel modules")) {
currentModel += ", available drivers: " + afterColon(str) + ")";
list.append(currentModel);
}
}
pclose(lspci);
return list;
}
#else
QString HardwareInfo::cpuInfo()
{
return "unknown";
}
#if defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
#include <cstdio>
uint64_t HardwareInfo::totalRamMiB()
{
char buff[512];
FILE* fp = popen("sysctl hw.physmem", "r");
if (fp != nullptr) {
if (fgets(buff, 512, fp) != nullptr) {
std::string str(buff);
uint64_t mem = std::stoull(str.substr(12, std::string::npos));
// transforming kib -> mib
return mem / 1024;
}
}
return 0;
}
#else
uint64_t HardwareInfo::totalRamMiB()
{
return 0;
}
#endif
uint64_t HardwareInfo::availableRamMiB()
{
return 0;
}
#endif