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Integrate switcheroo-control for discrete GPU support

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Signed-off-by: Jan200101 <sentrycraft123@gmail.com>
This commit is contained in:
Jan200101
2024-10-11 08:55:59 +02:00
parent 6c062c48b4
commit 514ec99a03
3 changed files with 57 additions and 6 deletions
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54
launcher/minecraft/MinecraftInstance.cpp
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@ -99,8 +99,48 @@
#include "MangoHud.h"
#endif
#ifdef WITH_QTDBUS
#include <QtDBus/QtDBus>
#endif
#define IBUS "@im=ibus"
static bool switcherooSetupGPU(QProcessEnvironment& env)
{
#ifdef WITH_QTDBUS
if (!QDBusConnection::systemBus().isConnected())
return false;
QDBusInterface switcheroo("net.hadess.SwitcherooControl", "/net/hadess/SwitcherooControl", "org.freedesktop.DBus.Properties",
QDBusConnection::systemBus());
if (!switcheroo.isValid())
return false;
QDBusReply<QDBusVariant> reply =
switcheroo.call(QStringLiteral("Get"), QStringLiteral("net.hadess.SwitcherooControl"), QStringLiteral("GPUs"));
if (!reply.isValid())
return false;
QDBusArgument arg = qvariant_cast<QDBusArgument>(reply.value().variant());
QList<QVariantMap> gpus;
arg >> gpus;
for (const auto& gpu : gpus) {
QString name = qvariant_cast<QString>(gpu[QStringLiteral("Name")]);
bool defaultGpu = qvariant_cast<bool>(gpu[QStringLiteral("Default")]);
if (!defaultGpu) {
QStringList envList = qvariant_cast<QStringList>(gpu[QStringLiteral("Environment")]);
for (int i = 0; i + 1 < envList.size(); i += 2) {
env.insert(envList[i], envList[i + 1]);
}
return true;
}
}
#endif
return false;
}
// all of this because keeping things compatible with deprecated old settings
// if either of the settings {a, b} is true, this also resolves to true
class OrSetting : public Setting {
@ -617,12 +657,14 @@ QProcessEnvironment MinecraftInstance::createLaunchEnvironment()
}
if (settings()->get("UseDiscreteGpu").toBool()) {
// Open Source Drivers
env.insert("DRI_PRIME", "1");
// Proprietary Nvidia Drivers
env.insert("__NV_PRIME_RENDER_OFFLOAD", "1");
env.insert("__VK_LAYER_NV_optimus", "NVIDIA_only");
env.insert("__GLX_VENDOR_LIBRARY_NAME", "nvidia");
if (!switcherooSetupGPU(env)) {
// Open Source Drivers
env.insert("DRI_PRIME", "1");
// Proprietary Nvidia Drivers
env.insert("__NV_PRIME_RENDER_OFFLOAD", "1");
env.insert("__VK_LAYER_NV_optimus", "NVIDIA_only");
env.insert("__GLX_VENDOR_LIBRARY_NAME", "nvidia");
}
}
if (settings()->get("UseZink").toBool()) {