Get the most performant graphics adapter name as well as the currently installed CPU name using Rust.

README.md

Get the most performant graphics adapter name as well as the currently installed CPU name using Rust.

Cargo.toml

[dependencies.windows]
version = "0.52"
features = ["Win32_Foundation", "Win32_Graphics_Dxgi", "Win32_Graphics_Dxgi_Common"]

[dependencies.windows-sys]
version = "0.52"
features = ["Win32_Foundation", "Win32_Devices_DeviceAndDriverInstallation"]

sysinfo.rs

use windows::Win32::Graphics::Dxgi::{
    CreateDXGIFactory, IDXGIAdapter4, IDXGIFactory6, DXGI_ADAPTER_DESC3,
    DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE,
};

use windows_sys::Win32::Devices::DeviceAndDriverInstallation::{
    SetupDiEnumDeviceInfo, SetupDiGetClassDevsW, SetupDiGetDeviceRegistryPropertyW, DIGCF_PRESENT,
    GUID_DEVCLASS_PROCESSOR, HDEVINFO, SPDRP_FRIENDLYNAME, SP_DEVINFO_DATA,
};

pub fn get_graphics_adapter_name() -> String {
    let graphics_adapter_name: String;
    unsafe {
        let factory: IDXGIFactory6 = CreateDXGIFactory::<IDXGIFactory6>().unwrap();
        let adapter: IDXGIAdapter4 = factory
            .EnumAdapterByGpuPreference::<IDXGIAdapter4>(0, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE)
            .unwrap();
        let mut desc: DXGI_ADAPTER_DESC3 = std::mem::zeroed();
        adapter
            .GetDesc3(&mut desc as *mut DXGI_ADAPTER_DESC3)
            .unwrap();
        graphics_adapter_name = String::from_utf16_lossy(&desc.Description)
            .trim_matches(char::from(0))
            .to_string();
    }
    return graphics_adapter_name;
}

pub fn get_processor_name() -> String {
    let processor_name: String;
    unsafe {
        let deviceinfoset: HDEVINFO =
            SetupDiGetClassDevsW(&GUID_DEVCLASS_PROCESSOR, std::ptr::null(), 0, DIGCF_PRESENT);

        let mut deviceinfodata: SP_DEVINFO_DATA = std::mem::zeroed();
        deviceinfodata.cbSize = std::mem::size_of::<SP_DEVINFO_DATA>() as u32;
        SetupDiEnumDeviceInfo(deviceinfoset, 0, &mut deviceinfodata);

        let mut requiredsize: u32 = 0;
        SetupDiGetDeviceRegistryPropertyW(
            deviceinfoset,
            &mut deviceinfodata,
            SPDRP_FRIENDLYNAME,
            std::ptr::null_mut(),
            std::ptr::null_mut(),
            0,
            &mut requiredsize,
        );

        let mut propertybuffer: Vec<u8> = vec![0_u8; requiredsize as usize];
        SetupDiGetDeviceRegistryPropertyW(
            deviceinfoset,
            &mut deviceinfodata,
            SPDRP_FRIENDLYNAME,
            std::ptr::null_mut(),
            propertybuffer.as_mut_ptr(),
            requiredsize,
            std::ptr::null_mut(),
        );
        processor_name = String::from_utf8(propertybuffer).unwrap().replace("\0", "");
    }
    return processor_name;
}