1 files changed, 87 insertions, 0 deletions
diff --git a/src/Ryujinx.UI.Common/SystemInfo/WindowsSystemInfo.cs b/src/Ryujinx.UI.Common/SystemInfo/WindowsSystemInfo.cs
new file mode 100644
index 00000000..bf49c2a6
--- /dev/null
+++ b/src/Ryujinx.UI.Common/SystemInfo/WindowsSystemInfo.cs
@@ -0,0 +1,87 @@
+using Ryujinx.Common.Logging;
+using System;
+using System.Management;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+
+namespace Ryujinx.UI.Common.SystemInfo
+{
+    [SupportedOSPlatform("windows")]
+    partial class WindowsSystemInfo : SystemInfo
+    {
+        internal WindowsSystemInfo()
+        {
+            CpuName = $"{GetCpuidCpuName() ?? GetCpuNameWMI()} ; {LogicalCoreCount} logical"; // WMI is very slow
+            (RamTotal, RamAvailable) = GetMemoryStats();
+        }
+
+        private static (ulong Total, ulong Available) GetMemoryStats()
+        {
+            MemoryStatusEx memStatus = new();
+            if (GlobalMemoryStatusEx(ref memStatus))
+            {
+                return (memStatus.TotalPhys, memStatus.AvailPhys); // Bytes
+            }
+
+            Logger.Error?.Print(LogClass.Application, $"GlobalMemoryStatusEx failed. Error {Marshal.GetLastWin32Error():X}");
+
+            return (0, 0);
+        }
+
+        private static string GetCpuNameWMI()
+        {
+            ManagementObjectCollection cpuObjs = GetWMIObjects("root\\CIMV2", "SELECT * FROM Win32_Processor");
+
+            if (cpuObjs != null)
+            {
+                foreach (var cpuObj in cpuObjs)
+                {
+                    return cpuObj["Name"].ToString().Trim();
+                }
+            }
+
+            return Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER").Trim();
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct MemoryStatusEx
+        {
+            public uint Length;
+            public uint MemoryLoad;
+            public ulong TotalPhys;
+            public ulong AvailPhys;
+            public ulong TotalPageFile;
+            public ulong AvailPageFile;
+            public ulong TotalVirtual;
+            public ulong AvailVirtual;
+            public ulong AvailExtendedVirtual;
+
+            public MemoryStatusEx()
+            {
+                Length = (uint)Marshal.SizeOf<MemoryStatusEx>();
+            }
+        }
+
+        [LibraryImport("kernel32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static partial bool GlobalMemoryStatusEx(ref MemoryStatusEx lpBuffer);
+
+        private static ManagementObjectCollection GetWMIObjects(string scope, string query)
+        {
+            try
+            {
+                return new ManagementObjectSearcher(scope, query).Get();
+            }
+            catch (PlatformNotSupportedException ex)
+            {
+                Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
+            }
+            catch (COMException ex)
+            {
+                Logger.Error?.Print(LogClass.Application, $"WMI isn't available : {ex.Message}");
+            }
+
+            return null;
+        }
+    }
+}