5 files changed, 135 insertions, 0 deletions
diff --git a/Ryujinx.Common/GraphicsDriver/NVAPI/Nvapi.cs b/Ryujinx.Common/GraphicsDriver/NVAPI/Nvapi.cs
new file mode 100644
index 00000000..99eaa68f
--- /dev/null
+++ b/Ryujinx.Common/GraphicsDriver/NVAPI/Nvapi.cs
@@ -0,0 +1,11 @@
+namespace Ryujinx.Common.GraphicsDriver.NVAPI
+{
+    enum Nvapi : uint
+    {
+        OglThreadControlId = 0x20C1221E,
+
+        OglThreadControlDefault = 0,
+        OglThreadControlEnable = 1,
+        OglThreadControlDisable = 2
+    }
+}
diff --git a/Ryujinx.Common/GraphicsDriver/NVAPI/NvapiUnicodeString.cs b/Ryujinx.Common/GraphicsDriver/NVAPI/NvapiUnicodeString.cs
new file mode 100644
index 00000000..6bbff2de
--- /dev/null
+++ b/Ryujinx.Common/GraphicsDriver/NVAPI/NvapiUnicodeString.cs
@@ -0,0 +1,42 @@
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace Ryujinx.Common.GraphicsDriver.NVAPI
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    public unsafe struct NvapiUnicodeString
+    {
+        private fixed byte _data[4096];
+
+        public NvapiUnicodeString(string text)
+        {
+            Set(text);
+        }
+
+        public string Get()
+        {
+            fixed (byte* data = _data)
+            {
+                string text = Encoding.Unicode.GetString(data, 4096);
+
+                int index = text.IndexOf('\0');
+                if (index > -1)
+                {
+                    text = text.Remove(index);
+                }
+
+                return text;
+            }
+        }
+
+        public void Set(string text)
+        {
+            text += '\0';
+            fixed (char* textPtr = text)
+            fixed (byte* data = _data)
+            {
+                int written = Encoding.Unicode.GetBytes(textPtr, text.Length, data, 4096);
+            }
+        }
+    }
+}
diff --git a/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsApplicationV4.cs b/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsApplicationV4.cs
new file mode 100644
index 00000000..8b472cd1
--- /dev/null
+++ b/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsApplicationV4.cs
@@ -0,0 +1,17 @@
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.GraphicsDriver.NVAPI
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
+    unsafe struct NvdrsApplicationV4
+    {
+        public uint Version;
+        public uint IsPredefined;
+        public NvapiUnicodeString AppName;
+        public NvapiUnicodeString UserFriendlyName;
+        public NvapiUnicodeString Launcher;
+        public NvapiUnicodeString FileInFolder;
+        public uint Flags;
+        public NvapiUnicodeString CommandLine;
+    }
+}
diff --git a/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsProfile.cs b/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsProfile.cs
new file mode 100644
index 00000000..5a325d08
--- /dev/null
+++ b/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsProfile.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.GraphicsDriver.NVAPI
+{
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    unsafe struct NvdrsProfile
+    {
+        public uint Version;
+        public NvapiUnicodeString ProfileName;
+        public uint GpuSupport;
+        public uint IsPredefined;
+        public uint NumOfApps;
+        public uint NumOfSettings;
+    }
+}
diff --git a/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsSetting.cs b/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsSetting.cs
new file mode 100644
index 00000000..ac188b35
--- /dev/null
+++ b/Ryujinx.Common/GraphicsDriver/NVAPI/NvdrsSetting.cs
@@ -0,0 +1,49 @@
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Common.GraphicsDriver.NVAPI
+{
+    enum NvdrsSettingType : uint
+    {
+        NvdrsDwordType,
+        NvdrsBinaryType,
+        NvdrsStringType,
+        NvdrsWstringType,
+    }
+
+    enum NvdrsSettingLocation : uint
+    {
+        NvdrsCurrentProfileLocation,
+        NvdrsGlobalProfileLocation,
+        NvdrsBaseProfileLocation,
+        NvdrsDefaultProfileLocation,
+    }
+
+    [StructLayout(LayoutKind.Explicit, Size = 0x3020)]
+    unsafe struct NvdrsSetting
+    {
+        [FieldOffset(0x0)]
+        public uint Version;
+        [FieldOffset(0x4)]
+        public NvapiUnicodeString SettingName;
+        [FieldOffset(0x1004)]
+        public Nvapi SettingId;
+        [FieldOffset(0x1008)]
+        public NvdrsSettingType SettingType;
+        [FieldOffset(0x100C)]
+        public NvdrsSettingLocation SettingLocation;
+        [FieldOffset(0x1010)]
+        public uint IsCurrentPredefined;
+        [FieldOffset(0x1014)]
+        public uint IsPredefinedValid;
+
+        [FieldOffset(0x1018)]
+        public uint PredefinedValue;
+        [FieldOffset(0x1018)]
+        public NvapiUnicodeString PredefinedString;
+
+        [FieldOffset(0x201C)]
+        public uint CurrentValue;
+        [FieldOffset(0x201C)]
+        public NvapiUnicodeString CurrentString;
+    }
+}