// Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. // See the LICENCE file in the repository root for full licence text. #nullable disable #pragma warning disable IDE1006 // Naming rule violation using System; using System.Diagnostics.CodeAnalysis; using System.Runtime.InteropServices; using System.Runtime.Versioning; using osu.Framework.Logging; namespace osu.Desktop { [SuppressMessage("ReSharper", "InconsistentNaming")] [SupportedOSPlatform("windows")] internal static class NVAPI { private const string osu_filename = "osu!.exe"; // This is a good reference: // https://github.com/errollw/Warp-and-Blend-Quadros/blob/master/WarpBlend-Quadros/UnwarpAll-Quadros/include/nvapi.h // Note our Stride == their VERSION (e.g. NVDRS_SETTING_VER) public const int MAX_PHYSICAL_GPUS = 64; public const int UNICODE_STRING_MAX = 2048; public const string APPLICATION_NAME = @"osu!"; public const string PROFILE_NAME = @"osu!"; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus EnumPhysicalGPUsDelegate([Out] IntPtr[] gpuHandles, out int gpuCount); public static readonly EnumPhysicalGPUsDelegate EnumPhysicalGPUs; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus EnumLogicalGPUsDelegate([Out] IntPtr[] gpuHandles, out int gpuCount); public static readonly EnumLogicalGPUsDelegate EnumLogicalGPUs; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus GetSystemTypeDelegate(IntPtr gpuHandle, out NvSystemType systemType); public static readonly GetSystemTypeDelegate GetSystemType; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus GetGPUTypeDelegate(IntPtr gpuHandle, out NvGpuType gpuType); public static readonly GetGPUTypeDelegate GetGPUType; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus CreateSessionDelegate(out IntPtr sessionHandle); public static CreateSessionDelegate CreateSession; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus LoadSettingsDelegate(IntPtr sessionHandle); public static LoadSettingsDelegate LoadSettings; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus FindApplicationByNameDelegate(IntPtr sessionHandle, [MarshalAs(UnmanagedType.BStr)] string appName, out IntPtr profileHandle, ref NvApplication application); public static FindApplicationByNameDelegate FindApplicationByName; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus GetCurrentGlobalProfileDelegate(IntPtr sessionHandle, out IntPtr profileHandle); public static GetCurrentGlobalProfileDelegate GetCurrentGlobalProfile; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus GetProfileInfoDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvProfile profile); public static GetProfileInfoDelegate GetProfileInfo; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] public delegate NvStatus GetSettingDelegate(IntPtr sessionHandle, IntPtr profileHandle, NvSettingID settingID, ref NvSetting setting); public static GetSettingDelegate GetSetting; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] private delegate NvStatus CreateProfileDelegate(IntPtr sessionHandle, ref NvProfile profile, out IntPtr profileHandle); private static readonly CreateProfileDelegate CreateProfile; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] private delegate NvStatus SetSettingDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvSetting setting); private static readonly SetSettingDelegate SetSetting; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] private delegate NvStatus EnumApplicationsDelegate(IntPtr sessionHandle, IntPtr profileHandle, uint startIndex, ref uint appCount, [In, Out, MarshalAs(UnmanagedType.LPArray)] NvApplication[] applications); private static readonly EnumApplicationsDelegate EnumApplications; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] private delegate NvStatus CreateApplicationDelegate(IntPtr sessionHandle, IntPtr profileHandle, ref NvApplication application); private static readonly CreateApplicationDelegate CreateApplication; [UnmanagedFunctionPointer(CallingConvention.Cdecl)] private delegate NvStatus SaveSettingsDelegate(IntPtr sessionHandle); private static readonly SaveSettingsDelegate SaveSettings; public static NvStatus Status { get; private set; } = NvStatus.OK; public static bool Available { get; private set; } private static IntPtr sessionHandle; public static bool IsUsingOptimusDedicatedGpu { get { if (!Available) return false; if (!IsLaptop) return false; IntPtr profileHandle; if (!getProfile(out profileHandle, out _, out bool _)) return false; // Get the optimus setting NvSetting setting; if (!getSetting(NvSettingID.SHIM_RENDERING_MODE_ID, profileHandle, out setting)) return false; return (setting.U32CurrentValue & (uint)NvShimSetting.SHIM_RENDERING_MODE_ENABLE) > 0; } } public static bool IsLaptop { get { if (!Available) return false; // Make sure that this is a laptop. IntPtr[] gpus = new IntPtr[64]; if (checkError(EnumPhysicalGPUs(gpus, out int gpuCount))) return false; for (int i = 0; i < gpuCount; i++) { if (checkError(GetSystemType(gpus[i], out var type))) return false; if (type == NvSystemType.LAPTOP) return true; } return false; } } public static NvThreadControlSetting ThreadedOptimisations { get { if (!Available) return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT; IntPtr profileHandle; if (!getProfile(out profileHandle, out _, out bool _)) return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT; // Get the threaded optimisations setting NvSetting setting; if (!getSetting(NvSettingID.OGL_THREAD_CONTROL_ID, profileHandle, out setting)) return NvThreadControlSetting.OGL_THREAD_CONTROL_DEFAULT; return (NvThreadControlSetting)setting.U32CurrentValue; } set { if (!Available) return; bool success = setSetting(NvSettingID.OGL_THREAD_CONTROL_ID, (uint)value); Logger.Log(success ? $"Threaded optimizations set to \"{value}\"!" : "Threaded optimizations set failed!"); } } /// /// Checks if the profile contains the current application. /// /// If the profile contains the current application. private static bool containsApplication(IntPtr profileHandle, NvProfile profile, out NvApplication application) { application = new NvApplication { Version = NvApplication.Stride }; if (profile.NumOfApps == 0) return false; NvApplication[] applications = new NvApplication[profile.NumOfApps]; applications[0].Version = NvApplication.Stride; uint numApps = profile.NumOfApps; if (checkError(EnumApplications(sessionHandle, profileHandle, 0, ref numApps, applications))) return false; for (uint i = 0; i < numApps; i++) { if (applications[i].AppName == osu_filename) { application = applications[i]; return true; } } return false; } /// /// Retrieves the profile of the current application. /// /// The profile handle. /// The current application description. /// If this profile is not a global (default) profile. /// If the operation succeeded. private static bool getProfile(out IntPtr profileHandle, out NvApplication application, out bool isApplicationSpecific) { application = new NvApplication { Version = NvApplication.Stride }; isApplicationSpecific = true; if (checkError(FindApplicationByName(sessionHandle, osu_filename, out profileHandle, ref application))) { isApplicationSpecific = false; if (checkError(GetCurrentGlobalProfile(sessionHandle, out profileHandle))) return false; } return true; } /// /// Creates a profile. /// /// The profile handle. /// If the operation succeeded. private static bool createProfile(out IntPtr profileHandle) { NvProfile newProfile = new NvProfile { Version = NvProfile.Stride, IsPredefined = 0, ProfileName = PROFILE_NAME, GPUSupport = new uint[32] }; newProfile.GPUSupport[0] = 1; if (checkError(CreateProfile(sessionHandle, ref newProfile, out profileHandle))) return false; return true; } /// /// Retrieves a setting from the profile. /// /// The setting to retrieve. /// The profile handle to retrieve the setting from. /// The setting. /// If the operation succeeded. private static bool getSetting(NvSettingID settingId, IntPtr profileHandle, out NvSetting setting) { setting = new NvSetting { Version = NvSetting.Stride, SettingID = settingId }; if (checkError(GetSetting(sessionHandle, profileHandle, settingId, ref setting))) return false; return true; } private static bool setSetting(NvSettingID settingId, uint settingValue) { NvApplication application; IntPtr profileHandle; bool isApplicationSpecific; if (!getProfile(out profileHandle, out application, out isApplicationSpecific)) return false; if (!isApplicationSpecific) { // We don't want to interfere with the user's other settings, so let's create a separate config for osu! if (!createProfile(out profileHandle)) return false; } NvSetting newSetting = new NvSetting { Version = NvSetting.Stride, SettingID = settingId, U32CurrentValue = settingValue }; // Set the thread state if (checkError(SetSetting(sessionHandle, profileHandle, ref newSetting))) return false; // Get the profile (needed to check app count) NvProfile profile = new NvProfile { Version = NvProfile.Stride }; if (checkError(GetProfileInfo(sessionHandle, profileHandle, ref profile))) return false; if (!containsApplication(profileHandle, profile, out application)) { // Need to add the current application to the profile application.IsPredefined = 0; application.AppName = osu_filename; application.UserFriendlyName = APPLICATION_NAME; if (checkError(CreateApplication(sessionHandle, profileHandle, ref application))) return false; } // Save! return !checkError(SaveSettings(sessionHandle)); } /// /// Creates a session to access the driver configuration. /// /// If the operation succeeded. private static bool createSession() { if (checkError(CreateSession(out sessionHandle))) return false; // Load settings into session if (checkError(LoadSettings(sessionHandle))) return false; return true; } private static bool checkError(NvStatus status) { Status = status; return status != NvStatus.OK; } static NVAPI() { // TODO: check whether gpu vendor contains NVIDIA before attempting load? try { // Try to load NVAPI if ((IntPtr.Size == 4 && loadLibrary(@"nvapi.dll") == IntPtr.Zero) || (IntPtr.Size == 8 && loadLibrary(@"nvapi64.dll") == IntPtr.Zero)) { return; } InitializeDelegate initialize; getDelegate(0x0150E828, out initialize); if (initialize?.Invoke() == NvStatus.OK) { // IDs can be found here: https://github.com/jNizM/AHK_NVIDIA_NvAPI/blob/master/info/NvAPI_IDs.txt getDelegate(0xE5AC921F, out EnumPhysicalGPUs); getDelegate(0x48B3EA59, out EnumLogicalGPUs); getDelegate(0xBAAABFCC, out GetSystemType); getDelegate(0xC33BAEB1, out GetGPUType); getDelegate(0x0694D52E, out CreateSession); getDelegate(0x375DBD6B, out LoadSettings); getDelegate(0xEEE566B2, out FindApplicationByName); getDelegate(0x617BFF9F, out GetCurrentGlobalProfile); getDelegate(0x577DD202, out SetSetting); getDelegate(0x61CD6FD6, out GetProfileInfo); getDelegate(0x73BF8338, out GetSetting); getDelegate(0xCC176068, out CreateProfile); getDelegate(0x7FA2173A, out EnumApplications); getDelegate(0x4347A9DE, out CreateApplication); getDelegate(0xFCBC7E14, out SaveSettings); } if (createSession()) Available = true; } catch { } } private static void getDelegate(uint id, out T newDelegate) where T : class { IntPtr ptr = IntPtr.Size == 4 ? queryInterface32(id) : queryInterface64(id); newDelegate = ptr == IntPtr.Zero ? null : Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T; } [DllImport("kernel32.dll", EntryPoint = "LoadLibrary")] private static extern IntPtr loadLibrary(string dllToLoad); [DllImport(@"nvapi.dll", EntryPoint = "nvapi_QueryInterface", CallingConvention = CallingConvention.Cdecl)] private static extern IntPtr queryInterface32(uint id); [DllImport(@"nvapi64.dll", EntryPoint = "nvapi_QueryInterface", CallingConvention = CallingConvention.Cdecl)] private static extern IntPtr queryInterface64(uint id); private delegate NvStatus InitializeDelegate(); } [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] internal struct NvSetting { public uint Version; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string SettingName; public NvSettingID SettingID; public uint SettingType; public uint SettingLocation; public uint IsCurrentPredefined; public uint IsPredefinedValid; public uint U32PredefinedValue; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string StringPredefinedValue; public uint U32CurrentValue; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string StringCurrentValue; public static uint Stride => (uint)Marshal.SizeOf(typeof(NvSetting)) | (1 << 16); } [StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Unicode)] internal struct NvProfile { public uint Version; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string ProfileName; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 32)] public uint[] GPUSupport; public uint IsPredefined; public uint NumOfApps; public uint NumOfSettings; public static uint Stride => (uint)Marshal.SizeOf(typeof(NvProfile)) | (1 << 16); } [StructLayout(LayoutKind.Sequential, Pack = 8, CharSet = CharSet.Unicode)] internal struct NvApplication { public uint Version; public uint IsPredefined; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string AppName; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string UserFriendlyName; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string Launcher; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.UNICODE_STRING_MAX)] public string FileInFolder; public static uint Stride => (uint)Marshal.SizeOf(typeof(NvApplication)) | (2 << 16); } internal enum NvStatus { OK = 0, // Success. Request is completed. ERROR = -1, // Generic error LIBRARY_NOT_FOUND = -2, // NVAPI support library cannot be loaded. NO_IMPLEMENTATION = -3, // not implemented in current driver installation API_NOT_INITIALIZED = -4, // Initialize has not been called (successfully) INVALID_ARGUMENT = -5, // The argument/parameter value is not valid or NULL. NVIDIA_DEVICE_NOT_FOUND = -6, // No NVIDIA display driver, or NVIDIA GPU driving a display, was found. END_ENUMERATION = -7, // No more items to enumerate INVALID_HANDLE = -8, // Invalid handle INCOMPATIBLE_STRUCT_VERSION = -9, // An argument's structure version is not supported HANDLE_INVALIDATED = -10, // The handle is no longer valid (likely due to GPU or display re-configuration) OPENGL_CONTEXT_NOT_CURRENT = -11, // No NVIDIA OpenGL context is current (but needs to be) INVALID_POINTER = -14, // An invalid pointer, usually NULL, was passed as a parameter NO_GL_EXPERT = -12, // OpenGL Expert is not supported by the current drivers INSTRUMENTATION_DISABLED = -13, // OpenGL Expert is supported, but driver instrumentation is currently disabled NO_GL_NSIGHT = -15, // OpenGL does not support Nsight EXPECTED_LOGICAL_GPU_HANDLE = -100, // Expected a logical GPU handle for one or more parameters EXPECTED_PHYSICAL_GPU_HANDLE = -101, // Expected a physical GPU handle for one or more parameters EXPECTED_DISPLAY_HANDLE = -102, // Expected an NV display handle for one or more parameters INVALID_COMBINATION = -103, // The combination of parameters is not valid. NOT_SUPPORTED = -104, // Requested feature is not supported in the selected GPU PORTID_NOT_FOUND = -105, // No port ID was found for the I2C transaction EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106, // Expected an unattached display handle as one of the input parameters. INVALID_PERF_LEVEL = -107, // Invalid perf level DEVICE_BUSY = -108, // Device is busy; request not fulfilled NV_PERSIST_FILE_NOT_FOUND = -109, // NV persist file is not found PERSIST_DATA_NOT_FOUND = -110, // NV persist data is not found EXPECTED_TV_DISPLAY = -111, // Expected a TV output display EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112, // Expected a TV output on the D Connector - HDTV_EIAJ4120. NO_ACTIVE_SLI_TOPOLOGY = -113, // SLI is not active on this device. SLI_RENDERING_MODE_NOTALLOWED = -114, // Setup of SLI rendering mode is not possible right now. EXPECTED_DIGITAL_FLAT_PANEL = -115, // Expected a digital flat panel. ARGUMENT_EXCEED_MAX_SIZE = -116, // Argument exceeds the expected size. DEVICE_SWITCHING_NOT_ALLOWED = -117, // Inhibit is ON due to one of the flags in NV_GPU_DISPLAY_CHANGE_INHIBIT or SLI active. TESTING_CLOCKS_NOT_SUPPORTED = -118, // Testing of clocks is not supported. UNKNOWN_UNDERSCAN_CONFIG = -119, // The specified underscan config is from an unknown source (e.g. INF) TIMEOUT_RECONFIGURING_GPU_TOPO = -120, // Timeout while reconfiguring GPUs DATA_NOT_FOUND = -121, // Requested data was not found EXPECTED_ANALOG_DISPLAY = -122, // Expected an analog display NO_VIDLINK = -123, // No SLI video bridge is present REQUIRES_REBOOT = -124, // NVAPI requires a reboot for the settings to take effect INVALID_HYBRID_MODE = -125, // The function is not supported with the current Hybrid mode. MIXED_TARGET_TYPES = -126, // The target types are not all the same SYSWOW64_NOT_SUPPORTED = -127, // The function is not supported from 32-bit on a 64-bit system. IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128, // There is no implicit GPU topology active. Use SetHybridMode to change topology. REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129, // Prompt the user to close all non-migratable applications. OUT_OF_MEMORY = -130, // Could not allocate sufficient memory to complete the call. WAS_STILL_DRAWING = -131, // The previous operation that is transferring information to or from this surface is incomplete. FILE_NOT_FOUND = -132, // The file was not found. TOO_MANY_UNIQUE_STATE_OBJECTS = -133, // There are too many unique instances of a particular type of state object. INVALID_CALL = -134, // The method call is invalid. For example, a method's parameter may not be a valid pointer. D3D10_1_LIBRARY_NOT_FOUND = -135, // d3d10_1.dll cannot be loaded. FUNCTION_NOT_FOUND = -136, // Couldn't find the function in the loaded DLL. INVALID_USER_PRIVILEGE = -137, // Current User is not Admin. EXPECTED_NON_PRIMARY_DISPLAY_HANDLE = -138, // The handle corresponds to GDIPrimary. EXPECTED_COMPUTE_GPU_HANDLE = -139, // Setting Physx GPU requires that the GPU is compute-capable. STEREO_NOT_INITIALIZED = -140, // The Stereo part of NVAPI failed to initialize completely. Check if the stereo driver is installed. STEREO_REGISTRY_ACCESS_FAILED = -141, // Access to stereo-related registry keys or values has failed. STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED = -142, // The given registry profile type is not supported. STEREO_REGISTRY_VALUE_NOT_SUPPORTED = -143, // The given registry value is not supported. STEREO_NOT_ENABLED = -144, // Stereo is not enabled and the function needed it to execute completely. STEREO_NOT_TURNED_ON = -145, // Stereo is not turned on and the function needed it to execute completely. STEREO_INVALID_DEVICE_INTERFACE = -146, // Invalid device interface. STEREO_PARAMETER_OUT_OF_RANGE = -147, // Separation percentage or JPEG image capture quality is out of [0-100] range. STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED = -148, // The given frustum adjust mode is not supported. TOPO_NOT_POSSIBLE = -149, // The mosaic topology is not possible given the current state of the hardware. MODE_CHANGE_FAILED = -150, // An attempt to do a display resolution mode change has failed. D3D11_LIBRARY_NOT_FOUND = -151, // d3d11.dll/d3d11_beta.dll cannot be loaded. INVALID_ADDRESS = -152, // Address is outside of valid range. STRING_TOO_SMALL = -153, // The pre-allocated string is too small to hold the result. MATCHING_DEVICE_NOT_FOUND = -154, // The input does not match any of the available devices. DRIVER_RUNNING = -155, // Driver is running. DRIVER_NOTRUNNING = -156, // Driver is not running. ERROR_DRIVER_RELOAD_REQUIRED = -157, // A driver reload is required to apply these settings. SET_NOT_ALLOWED = -158, // Intended setting is not allowed. ADVANCED_DISPLAY_TOPOLOGY_REQUIRED = -159, // Information can't be returned due to "advanced display topology". SETTING_NOT_FOUND = -160, // Setting is not found. SETTING_SIZE_TOO_LARGE = -161, // Setting size is too large. TOO_MANY_SETTINGS_IN_PROFILE = -162, // There are too many settings for a profile. PROFILE_NOT_FOUND = -163, // Profile is not found. PROFILE_NAME_IN_USE = -164, // Profile name is duplicated. PROFILE_NAME_EMPTY = -165, // Profile name is empty. EXECUTABLE_NOT_FOUND = -166, // Application not found in the Profile. EXECUTABLE_ALREADY_IN_USE = -167, // Application already exists in the other profile. DATATYPE_MISMATCH = -168, // Data Type mismatch PROFILE_REMOVED = -169, // The profile passed as parameter has been removed and is no longer valid. UNREGISTERED_RESOURCE = -170, // An unregistered resource was passed as a parameter. ID_OUT_OF_RANGE = -171, // The DisplayId corresponds to a display which is not within the normal outputId range. DISPLAYCONFIG_VALIDATION_FAILED = -172, // Display topology is not valid so the driver cannot do a mode set on this configuration. DPMST_CHANGED = -173, // Display Port Multi-Stream topology has been changed. INSUFFICIENT_BUFFER = -174, // Input buffer is insufficient to hold the contents. ACCESS_DENIED = -175, // No access to the caller. MOSAIC_NOT_ACTIVE = -176, // The requested action cannot be performed without Mosaic being enabled. SHARE_RESOURCE_RELOCATED = -177, // The surface is relocated away from video memory. REQUEST_USER_TO_DISABLE_DWM = -178, // The user should disable DWM before calling NvAPI. D3D_DEVICE_LOST = -179, // D3D device status is D3DERR_DEVICELOST or D3DERR_DEVICENOTRESET - the user has to reset the device. INVALID_CONFIGURATION = -180, // The requested action cannot be performed in the current state. STEREO_HANDSHAKE_NOT_DONE = -181, // Call failed as stereo handshake not completed. EXECUTABLE_PATH_IS_AMBIGUOUS = -182, // The path provided was too short to determine the correct NVDRS_APPLICATION DEFAULT_STEREO_PROFILE_IS_NOT_DEFINED = -183, // Default stereo profile is not currently defined DEFAULT_STEREO_PROFILE_DOES_NOT_EXIST = -184, // Default stereo profile does not exist CLUSTER_ALREADY_EXISTS = -185, // A cluster is already defined with the given configuration. DPMST_DISPLAY_ID_EXPECTED = -186, // The input display id is not that of a multi stream enabled connector or a display device in a multi stream topology INVALID_DISPLAY_ID = -187, // The input display id is not valid or the monitor associated to it does not support the current operation STREAM_IS_OUT_OF_SYNC = -188, // While playing secure audio stream, stream goes out of sync INCOMPATIBLE_AUDIO_DRIVER = -189, // Older audio driver version than required VALUE_ALREADY_SET = -190, // Value already set, setting again not allowed. TIMEOUT = -191, // Requested operation timed out GPU_WORKSTATION_FEATURE_INCOMPLETE = -192, // The requested workstation feature set has incomplete driver internal allocation resources STEREO_INIT_ACTIVATION_NOT_DONE = -193, // Call failed because InitActivation was not called. SYNC_NOT_ACTIVE = -194, // The requested action cannot be performed without Sync being enabled. SYNC_MASTER_NOT_FOUND = -195, // The requested action cannot be performed without Sync Master being enabled. INVALID_SYNC_TOPOLOGY = -196, // Invalid displays passed in the NV_GSYNC_DISPLAY pointer. ECID_SIGN_ALGO_UNSUPPORTED = -197, // The specified signing algorithm is not supported. Either an incorrect value was entered or the current installed driver/hardware does not support the input value. ECID_KEY_VERIFICATION_FAILED = -198, // The encrypted public key verification has failed. FIRMWARE_OUT_OF_DATE = -199, // The device's firmware is out of date. FIRMWARE_REVISION_NOT_SUPPORTED = -200, // The device's firmware is not supported. } internal enum NvSystemType { UNKNOWN = 0, LAPTOP = 1, DESKTOP = 2 } internal enum NvGpuType { UNKNOWN = 0, IGPU = 1, // Integrated DGPU = 2, // Discrete } internal enum NvSettingID : uint { OGL_AA_LINE_GAMMA_ID = 0x2089BF6C, OGL_DEEP_COLOR_SCANOUT_ID = 0x2097C2F6, OGL_DEFAULT_SWAP_INTERVAL_ID = 0x206A6582, OGL_DEFAULT_SWAP_INTERVAL_FRACTIONAL_ID = 0x206C4581, OGL_DEFAULT_SWAP_INTERVAL_SIGN_ID = 0x20655CFA, OGL_EVENT_LOG_SEVERITY_THRESHOLD_ID = 0x209DF23E, OGL_EXTENSION_STRING_VERSION_ID = 0x20FF7493, OGL_FORCE_BLIT_ID = 0x201F619F, OGL_FORCE_STEREO_ID = 0x204D9A0C, OGL_IMPLICIT_GPU_AFFINITY_ID = 0x20D0F3E6, OGL_MAX_FRAMES_ALLOWED_ID = 0x208E55E3, OGL_MULTIMON_ID = 0x200AEBFC, OGL_OVERLAY_PIXEL_TYPE_ID = 0x209AE66F, OGL_OVERLAY_SUPPORT_ID = 0x206C28C4, OGL_QUALITY_ENHANCEMENTS_ID = 0x20797D6C, OGL_SINGLE_BACKDEPTH_BUFFER_ID = 0x20A29055, OGL_THREAD_CONTROL_ID = 0x20C1221E, OGL_TRIPLE_BUFFER_ID = 0x20FDD1F9, OGL_VIDEO_EDITING_MODE_ID = 0x20EE02B4, AA_BEHAVIOR_FLAGS_ID = 0x10ECDB82, AA_MODE_ALPHATOCOVERAGE_ID = 0x10FC2D9C, AA_MODE_GAMMACORRECTION_ID = 0x107D639D, AA_MODE_METHOD_ID = 0x10D773D2, AA_MODE_REPLAY_ID = 0x10D48A85, AA_MODE_SELECTOR_ID = 0x107EFC5B, AA_MODE_SELECTOR_SLIAA_ID = 0x107AFC5B, ANISO_MODE_LEVEL_ID = 0x101E61A9, ANISO_MODE_SELECTOR_ID = 0x10D2BB16, APPLICATION_PROFILE_NOTIFICATION_TIMEOUT_ID = 0x104554B6, APPLICATION_STEAM_ID_ID = 0x107CDDBC, CPL_HIDDEN_PROFILE_ID = 0x106D5CFF, CUDA_EXCLUDED_GPUS_ID = 0x10354FF8, D3DOGL_GPU_MAX_POWER_ID = 0x10D1EF29, EXPORT_PERF_COUNTERS_ID = 0x108F0841, FXAA_ALLOW_ID = 0x1034CB89, FXAA_ENABLE_ID = 0x1074C972, FXAA_INDICATOR_ENABLE_ID = 0x1068FB9C, MCSFRSHOWSPLIT_ID = 0x10287051, OPTIMUS_MAXAA_ID = 0x10F9DC83, PHYSXINDICATOR_ID = 0x1094F16F, PREFERRED_PSTATE_ID = 0x1057EB71, PREVENT_UI_AF_OVERRIDE_ID = 0x103BCCB5, PS_FRAMERATE_LIMITER_ID = 0x10834FEE, PS_FRAMERATE_LIMITER_GPS_CTRL_ID = 0x10834F01, SHIM_MAXRES_ID = 0x10F9DC82, SHIM_MCCOMPAT_ID = 0x10F9DC80, SHIM_RENDERING_MODE_ID = 0x10F9DC81, SHIM_RENDERING_OPTIONS_ID = 0x10F9DC84, SLI_GPU_COUNT_ID = 0x1033DCD1, SLI_PREDEFINED_GPU_COUNT_ID = 0x1033DCD2, SLI_PREDEFINED_GPU_COUNT_DX10_ID = 0x1033DCD3, SLI_PREDEFINED_MODE_ID = 0x1033CEC1, SLI_PREDEFINED_MODE_DX10_ID = 0x1033CEC2, SLI_RENDERING_MODE_ID = 0x1033CED1, VRRFEATUREINDICATOR_ID = 0x1094F157, VRROVERLAYINDICATOR_ID = 0x1095F16F, VRRREQUESTSTATE_ID = 0x1094F1F7, VSYNCSMOOTHAFR_ID = 0x101AE763, VSYNCVRRCONTROL_ID = 0x10A879CE, VSYNC_BEHAVIOR_FLAGS_ID = 0x10FDEC23, WKS_API_STEREO_EYES_EXCHANGE_ID = 0x11AE435C, WKS_API_STEREO_MODE_ID = 0x11E91A61, WKS_MEMORY_ALLOCATION_POLICY_ID = 0x11112233, WKS_STEREO_DONGLE_SUPPORT_ID = 0x112493BD, WKS_STEREO_SUPPORT_ID = 0x11AA9E99, WKS_STEREO_SWAP_MODE_ID = 0x11333333, AO_MODE_ID = 0x00667329, AO_MODE_ACTIVE_ID = 0x00664339, AUTO_LODBIASADJUST_ID = 0x00638E8F, ICAFE_LOGO_CONFIG_ID = 0x00DB1337, LODBIASADJUST_ID = 0x00738E8F, PRERENDERLIMIT_ID = 0x007BA09E, PS_DYNAMIC_TILING_ID = 0x00E5C6C0, PS_SHADERDISKCACHE_ID = 0x00198FFF, PS_TEXFILTER_ANISO_OPTS2_ID = 0x00E73211, PS_TEXFILTER_BILINEAR_IN_ANISO_ID = 0x0084CD70, PS_TEXFILTER_DISABLE_TRILIN_SLOPE_ID = 0x002ECAF2, PS_TEXFILTER_NO_NEG_LODBIAS_ID = 0x0019BB68, QUALITY_ENHANCEMENTS_ID = 0x00CE2691, REFRESH_RATE_OVERRIDE_ID = 0x0064B541, SET_POWER_THROTTLE_FOR_PCIe_COMPLIANCE_ID = 0x00AE785C, SET_VAB_DATA_ID = 0x00AB8687, VSYNCMODE_ID = 0x00A879CF, VSYNCTEARCONTROL_ID = 0x005A375C, TOTAL_DWORD_SETTING_NUM = 80, TOTAL_WSTRING_SETTING_NUM = 4, TOTAL_SETTING_NUM = 84, INVALID_SETTING_ID = 0xFFFFFFFF } internal enum NvShimSetting : uint { SHIM_RENDERING_MODE_INTEGRATED = 0x00000000, SHIM_RENDERING_MODE_ENABLE = 0x00000001, SHIM_RENDERING_MODE_USER_EDITABLE = 0x00000002, SHIM_RENDERING_MODE_MASK = 0x00000003, SHIM_RENDERING_MODE_VIDEO_MASK = 0x00000004, SHIM_RENDERING_MODE_VARYING_BIT = 0x00000008, SHIM_RENDERING_MODE_AUTO_SELECT = 0x00000010, SHIM_RENDERING_MODE_OVERRIDE_BIT = 0x80000000, SHIM_RENDERING_MODE_NUM_VALUES = 8, SHIM_RENDERING_MODE_DEFAULT = SHIM_RENDERING_MODE_AUTO_SELECT } internal enum NvThreadControlSetting : uint { OGL_THREAD_CONTROL_ENABLE = 0x00000001, OGL_THREAD_CONTROL_DISABLE = 0x00000002, OGL_THREAD_CONTROL_NUM_VALUES = 2, OGL_THREAD_CONTROL_DEFAULT = 0 } }