(***************************************************************************** |* *| |* Copyright 2005-2008 NVIDIA Corporation. All rights reserved. *| |* *| |* NOTICE TO USER: *| |* *| |* This source code is subject to NVIDIA ownership rights under U.S. *| |* and international Copyright laws. Users and possessors of this *| |* source code are hereby granted a nonexclusive, royalty-free *| |* license to use this code in individual and commercial software. *| |* *| |* NVIDIA MAKES NO REPRESENTATION ABOUT THE SUITABILITY OF THIS SOURCE *| |* CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR *| |* IMPLIED WARRANTY OF ANY KIND. NVIDIA DISCLAIMS ALL WARRANTIES WITH *| |* REGARD TO THIS SOURCE CODE, INCLUDING ALL IMPLIED WARRANTIES OF *| |* MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR *| |* PURPOSE. IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, *| |* INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES *| |* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN *| |* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING *| |* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE *| |* CODE. *| |* *| |* U.S. Government End Users. This source code is a "commercial item" *| |* as that term is defined at 48 C.F.R. 2.101 (OCT 1995), consisting *| |* of "commercial computer software" and "commercial computer software *| |* documentation" as such terms are used in 48 C.F.R. 12.212 (SEPT 1995) *| |* and is provided to the U.S. Government only as a commercial end item. *| |* Consistent with 48 C.F.R.12.212 and 48 C.F.R. 227.7202-1 through *| |* 227.7202-4 (JUNE 1995), all U.S. Government End Users acquire the *| |* source code with only those rights set forth herein. *| |* *| |* Any use of this source code in individual and commercial software must *| |* include, in the user documentation and internal comments to the code, *| |* the above Disclaimer and U.S. Government End Users Notice. *| |* *| |* *| *****************************************************************************) { Header translation by (2008) Andreas Hausladen (Andreas DOTT Hausladen ATT gmx DOTT de) } { Header update } { * added stereoscopic API } { * changed NVHandle usage } { * ported for FPC } { by (2010) Dmitry Boyarintsev (skalogryz DOTT lists ATT gail DOTT com) } /////////////////////////////////////////////////////////////////////////////// // // Date: Aug 24, 2008 // File: nvapi.h // // NvAPI provides an interface to NVIDIA devices. This file contains the // interface constants, structure definitions and function prototypes. // // Target Profile: developer // Target OS-Arch: windows // /////////////////////////////////////////////////////////////////////////////// unit nvapi; {$ifndef FPC} {$A8,B-,C+,D+,E-,F-,G+,H+,I+,J-,K-,L+,M-,N-,O+,P+,Q-,R-,S-,T-,U-,V+,W-,X+,Y+,Z1} {$minenumsize 4} {$else} {$mode delphi} {$packenum 4} {$packrecords c} {$NOTES OFF} {$endif} interface uses Windows; // ==================================================== // Universal NvAPI Definitions // ==================================================== { 64-bit types for compilers that support them, plus some obsolete variants } type {$IF declared(UInt64)} NvU64 = UInt64; { 0 to 18446744073709551615 } {$ELSE} NvU64 = Int64; { 0 to 18446744073709551615 } {$IFEND} // mac os 32-bit still needs this NvS32 = Longint; { -2147483648 to 2147483647 } NvU32 = LongWord; NvU16 = Word; NvU8 = Byte; PNvU8 = ^NvU8; // NVAPI Handles - These handles are retrieved from various calls and passed in to others in NvAPI // These are meant to be opaque types. Do not assume they correspond to indices, HDCs, // display indexes or anything else. // // Most handles remain valid until a display re-configuration (display mode set) or GPU // reconfiguration (going into or out of SLI modes) occurs. If NVAPI_HANDLE_INVALIDATED // is received by an app, it should discard all handles, and re-enumerate them. // {$ifndef FPC} NvHandle = LongWord; {$else} NvHandle = PtrUInt; {$endif} // Display Device driven by NVIDIA GPU(s) (an attached display) NvDisplayHandle = NvHandle; // Unattached Display Device driven by NVIDIA GPU(s) NvUnAttachedDisplayHandle = NvHandle; // One or more physical GPUs acting in concert (SLI) NvLogicalGpuHandle = NvHandle; // A single physical GPU NvPhysicalGpuHandle = NvHandle; // A handle to an event registration instance NvEventHandle = NvHandle; const NVAPI_DEFAULT_HANDLE = 0; NVAPI_GENERIC_STRING_MAX = 4096; NVAPI_LONG_STRING_MAX = 256; NVAPI_SHORT_STRING_MAX = 64; type NvSBox = record sX: NvS32; sY: NvS32; sWidth: NvS32; sHeight: NvS32; end; const NVAPI_MAX_PHYSICAL_GPUS = 64; NVAPI_MAX_LOGICAL_GPUS = 64; NVAPI_MAX_AVAILABLE_GPU_TOPOLOGIES = 256; NVAPI_MAX_GPU_TOPOLOGIES = NVAPI_MAX_PHYSICAL_GPUS; NVAPI_MAX_GPU_PER_TOPOLOGY = 8; NVAPI_MAX_DISPLAY_HEADS = 2; NVAPI_MAX_DISPLAYS = NVAPI_MAX_PHYSICAL_GPUS * NVAPI_MAX_DISPLAY_HEADS; NV_MAX_HEADS = 4; // Maximum heads, each with NVAPI_DESKTOP_RES resolution NV_MAX_VID_STREAMS = 4; // Maximum input video streams, each with a NVAPI_VIDEO_SRC_INFO NV_MAX_VID_PROFILES = 4; // Maximum output video profiles supported type NvAPI_String = array[0..NVAPI_GENERIC_STRING_MAX - 1] of AnsiChar; NvAPI_LongString = array[0..NVAPI_LONG_STRING_MAX - 1] of AnsiChar; NvAPI_ShortString = array[0..NVAPI_SHORT_STRING_MAX - 1] of AnsiChar; type TNvPhysicalGpuHandleArray = array[0..NVAPI_MAX_PHYSICAL_GPUS - 1] of NvPhysicalGpuHandle; TNvLogicalGpuHandleArray = array[0..NVAPI_MAX_LOGICAL_GPUS - 1] of NvLogicalGpuHandle; // ========================================================================================= // NvAPI Version Definition // Maintain per structure specific version define using the MAKE_NVAPI_VERSION macro. // Usage: #define NV_GENLOCK_STATUS_VER MAKE_NVAPI_VERSION(NV_GENLOCK_STATUS, 1) // ========================================================================================= //#define MAKE_NVAPI_VERSION(typeName,ver) (NvU32)(sizeof(typeName) | ((ver)<<16)) //#define GET_NVAPI_VERSION(ver) (NvU32)((ver)>>16) //#define GET_NVAPI_SIZE(ver) (NvU32)((ver) & 0xffff) {$ifndef FPC} {$IF CompilerVersion >= 18.0} {$define USEINLINE} {$ifend} {$else} {$define USEINLINE} {$endif} function GetNvAPIVersion(Ver: NvU32): NvU32; {$ifdef USEINLINE} inline; {$endif} function GetNvAPISize(Ver: NvU32): NvU32; {$ifdef USEINLINE} inline; {$endif} // ==================================================== // NvAPI Status Values // All NvAPI functions return one of these codes. // ==================================================== type NvAPI_Status = ( NVAPI_OK = 0, // Success NVAPI_ERROR = -1, // Generic error NVAPI_LIBRARY_NOT_FOUND = -2, // nvapi.dll can not be loaded NVAPI_NO_IMPLEMENTATION = -3, // not implemented in current driver installation NVAPI_API_NOT_INTIALIZED = -4, // NvAPI_Initialize has not been called (successfully) NVAPI_INVALID_ARGUMENT = -5, // invalid argument NVAPI_NVIDIA_DEVICE_NOT_FOUND = -6, // no NVIDIA display driver was found NVAPI_END_ENUMERATION = -7, // no more to enum NVAPI_INVALID_HANDLE = -8, // invalid handle NVAPI_INCOMPATIBLE_STRUCT_VERSION = -9, // an argument's structure version is not supported NVAPI_HANDLE_INVALIDATED = -10, // handle is no longer valid (likely due to GPU or display re-configuration) NVAPI_OPENGL_CONTEXT_NOT_CURRENT = -11, // no NVIDIA OpenGL context is current (but needs to be) NVAPI_NO_GL_EXPERT = -12, // OpenGL Expert is not supported by the current drivers NVAPI_INSTRUMENTATION_DISABLED = -13, // OpenGL Expert is supported, but driver instrumentation is currently disabled NVAPI_EXPECTED_LOGICAL_GPU_HANDLE = -100, // expected a logical GPU handle for one or more parameters NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE = -101, // expected a physical GPU handle for one or more parameters NVAPI_EXPECTED_DISPLAY_HANDLE = -102, // expected an NV display handle for one or more parameters NVAPI_INVALID_COMBINATION = -103, // used in some commands to indicate that the combination of parameters is not valid NVAPI_NOT_SUPPORTED = -104, // Requested feature not supported in the selected GPU NVAPI_PORTID_NOT_FOUND = -105, // NO port ID found for I2C transaction NVAPI_EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106, // expected an unattached display handle as one of the input param NVAPI_INVALID_PERF_LEVEL = -107, // invalid perf level NVAPI_DEVICE_BUSY = -108, // device is busy, request not fulfilled NVAPI_NV_PERSIST_FILE_NOT_FOUND = -109, // NV persist file is not found NVAPI_PERSIST_DATA_NOT_FOUND = -110, // NV persist data is not found NVAPI_EXPECTED_TV_DISPLAY = -111, // expected TV output display NVAPI_EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112, // expected TV output on D Connector - HDTV_EIAJ4120. NVAPI_NO_ACTIVE_SLI_TOPOLOGY = -113, // SLI is not active on this device NVAPI_SLI_RENDERING_MODE_NOTALLOWED = -114, // setup of SLI rendering mode is not possible right now NVAPI_EXPECTED_DIGITAL_FLAT_PANEL = -115, // expected digital flat panel NVAPI_ARGUMENT_EXCEED_MAX_SIZE = -116, // argument exceeds expected size NVAPI_DEVICE_SWITCHING_NOT_ALLOWED = -117, // inhibit ON due to one of the flags in NV_GPU_DISPLAY_CHANGE_INHIBIT or SLI Active NVAPI_TESTING_CLOCKS_NOT_SUPPORTED = -118, // testing clocks not supported NVAPI_UNKNOWN_UNDERSCAN_CONFIG = -119, // the specified underscan config is from an unknown source (e.g. INF) NVAPI_TIMEOUT_RECONFIGURING_GPU_TOPO = -120, // timeout while reconfiguring GPUs NVAPI_DATA_NOT_FOUND = -121, // Requested data was not found NVAPI_EXPECTED_ANALOG_DISPLAY = -122, // expected analog display NVAPI_NO_VIDLINK = -123, // No SLI video bridge present NVAPI_REQUIRES_REBOOT = -124, // NVAPI requires reboot for its settings to take effect NVAPI_INVALID_HYBRID_MODE = -125, // the function is not supported with the current hybrid mode. NVAPI_MIXED_TARGET_TYPES = -126, // The target types are not all the same NVAPI_SYSWOW64_NOT_SUPPORTED = -127, // the function is not supported from 32-bit on a 64-bit system NVAPI_IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128, //there is any implicit GPU topo active. Use NVAPI_SetHybridMode to change topology. NVAPI_REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129, //Prompt the user to close all non-migratable apps. NVAPI_OUT_OF_MEMORY = -130, // Could not allocate sufficient memory to complete the call NVAPI_WAS_STILL_DRAWING = -131, // The previous operation that is transferring information to or from this surface is incomplete NVAPI_FILE_NOT_FOUND = -132, // The file was not found NVAPI_TOO_MANY_UNIQUE_STATE_OBJECTS = -133, // There are too many unique instances of a particular type of state object NVAPI_INVALID_CALL = -134, // The method call is invalid. For example, a method's parameter may not be a valid pointer NVAPI_D3D10_1_LIBRARY_NOT_FOUND = -135, // d3d10_1.dll can not be loaded NVAPI_FUNCTION_NOT_FOUND = -136 // Couldn't find the function in loaded dll library ); /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Initialize // // DESCRIPTION: Initializes NVAPI library. This must be called before any // other NvAPI_ function. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_ERROR Something is wrong during the initialization process (generic error) // NVAPI_LIBRARYNOTFOUND Can not load nvapi.dll // NVAPI_OK Initialized // /////////////////////////////////////////////////////////////////////////////// function NvAPI_Initialize(): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetErrorMessage // // DESCRIPTION: converts an NvAPI error code into a null terminated string // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: null terminated string (always, never NULL) // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetErrorMessage: function(nr: NvAPI_Status; var szDesc: NvAPI_ShortString): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetInterfaceVersionString // // DESCRIPTION: Returns a string describing the version of the NvAPI library. // Contents of the string are human readable. Do not assume a fixed // format. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: User readable string giving info on NvAPI's version // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetInterfaceVersionString: function(var szDesc: NvAPI_ShortString): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetDisplayDriverVersion // // DESCRIPTION: Returns a struct that describes aspects of the display driver // build. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_ERROR or NVAPI_OK // /////////////////////////////////////////////////////////////////////////////// type NV_DISPLAY_DRIVER_VERSION = record version: NvU32; // Structure version drvVersion: NvU32; bldChangeListNum: NvU32; szBuildBranchString: NvAPI_ShortString; szAdapterString: NvAPI_ShortString; end; TNvDisplayDriverVersion = NV_DISPLAY_DRIVER_VERSION; PNvDisplayDriverVersion = ^TNvDisplayDriverVersion; const //#define NV_DISPLAY_DRIVER_VERSION_VER MAKE_NVAPI_VERSION(NV_DISPLAY_DRIVER_VERSION,1) NV_DISPLAY_DRIVER_VERSION_VER = NvU32(SizeOf(NV_DISPLAY_DRIVER_VERSION) or (1 shl 16)); var NvAPI_GetDisplayDriverVersion: function(hNvDisplay: NvDisplayHandle; pVersion: PNvDisplayDriverVersion): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_EnumNvidiaDisplayHandle // // DESCRIPTION: Returns the handle of the NVIDIA display specified by the enum // index (thisEnum). The client should keep enumerating until it // returns NVAPI_END_ENUMERATION. // // Note: Display handles can get invalidated on a modeset, so the calling applications need to // renum the handles after every modeset. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: either the handle pointer is NULL or enum index too big // NVAPI_OK: return a valid NvDisplayHandle based on the enum index // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA device found in the system // NVAPI_END_ENUMERATION: no more display device to enumerate. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_EnumNvidiaDisplayHandle: function(thisEnum: NvU32; var NvDispHandle: NvDisplayHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_EnumNvidiaUnAttachedDisplayHandle // // DESCRIPTION: Returns the handle of the NVIDIA UnAttached display specified by the enum // index (thisEnum). The client should keep enumerating till it // return error. // // Note: Display handles can get invalidated on a modeset, so the calling applications need to // renum the handles after every modeset. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: either the handle pointer is NULL or enum index too big // NVAPI_OK: return a valid NvDisplayHandle based on the enum index // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA device found in the system // NVAPI_END_ENUMERATION: no more display device to enumerate. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_EnumNvidiaUnAttachedDisplayHandle: function(thisEnum: NvU32; var NvUnAttachedDispHandle: NvUnAttachedDisplayHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_EnumPhysicalGPUs // // DESCRIPTION: Returns an array of physical GPU handles. // // Each handle represents a physical GPU present in the system. // That GPU may be part of a SLI configuration, or not be visible to the OS directly. // // At least 1 GPU must be present in the system and running an NV display driver. // // The array nvGPUHandle will be filled with physical GPU handle values. The returned // gpuCount determines how many entries in the array are valid. // // Note: In drivers older than 105.00, all physical GPU handles get invalidated on a modeset. So the calling applications // need to renum the handles after every modeset. // With drivers 105.00 and up all physical GPU handles are constant. // Physical GPU handles are constant as long as the GPUs are not physically moved and the SBIOS VGA order is unchanged. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: nvGPUHandle or pGpuCount is NULL // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_EnumPhysicalGPUs: function(var nvGPUHandle: TNvPhysicalGpuHandleArray; var pGpuCount: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_EnumLogicalGPUs // // DESCRIPTION: Returns an array of logical GPU handles. // // Each handle represents one or more GPUs acting in concert as a single graphics device. // // At least 1 GPU must be present in the system and running an NV display driver. // // The array nvGPUHandle will be filled with logical GPU handle values. The returned // gpuCount determines how many entries in the array are valid. // // Note: All logical GPUs handles get invalidated on a GPU topology change, so the calling application is required to // renum the logical GPU handles to get latest physical handle mapping after every GPU topology change activated // by a call to NvAPI_SetGpuTopologies. // // To detect if SLI rendering is enabled please use NvAPI_D3D_GetCurrentSLIState // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: nvGPUHandle or pGpuCount is NULL // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_EnumLogicalGPUs: function(var nvGPUHandle: TNvLogicalGpuHandleArray; var pGpuCount: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetPhysicalGPUsFromDisplay // // DESCRIPTION: Returns an array of physical GPU handles associated with the specified display. // // At least 1 GPU must be present in the system and running an NV display driver. // // The array nvGPUHandle will be filled with physical GPU handle values. The returned // gpuCount determines how many entries in the array are valid. // // If the display corresponds to more than one physical GPU, the first GPU returned // is the one with the attached active output. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hNvDisp is not valid; nvGPUHandle or pGpuCount is NULL // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetPhysicalGPUsFromDisplay: function(hNvDisp: NvDisplayHandle; var nvGPUHandle: TNvPhysicalGpuHandleArray; var pGpuCount: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetPhysicalGPUFromUnAttachedDisplay // // DESCRIPTION: Returns a physical GPU handle associated with the specified unattached display. // // At least 1 GPU must be present in the system and running an NV display driver. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hNvUnAttachedDisp is not valid or pPhysicalGpu is NULL. // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetPhysicalGPUFromUnAttachedDisplay: function(hNvUnAttachedDisp: NvUnAttachedDisplayHandle; var PhysicalGpu: NvPhysicalGpuHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_CreateDisplayFromUnAttachedDisplay // // DESCRIPTION: The unattached display handle is converted to a active attached display handle. // // At least 1 GPU must be present in the system and running an NV display driver. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hNvUnAttachedDisp is not valid or pNvDisplay is NULL. // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_CreateDisplayFromUnAttachedDisplay: function(hNvUnAttachedDisp: NvUnAttachedDisplayHandle; var NvDisplay: NvDisplayHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetLogicalGPUFromDisplay // // DESCRIPTION: Returns the logical GPU handle associated with the specified display. // // At least 1 GPU must be present in the system and running an NV display driver. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hNvDisp is not valid; pLogicalGPU is NULL // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetLogicalGPUFromDisplay: function(hNvDisp: NvDisplayHandle; var LogicalGPU: NvLogicalGpuHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetLogicalGPUFromPhysicalGPU // // DESCRIPTION: Returns the logical GPU handle associated with specified physical GPU handle. // // At least 1 GPU must be present in the system and running an NV display driver. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGPU is not valid; pLogicalGPU is NULL // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetLogicalGPUFromPhysicalGPU: function(hPhysicalGPU: NvPhysicalGpuHandle; var LogicalGPU: NvLogicalGpuHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetPhysicalGPUsFromLogicalGPU // // DESCRIPTION: Returns the physical GPU handles associated with the specified logical GPU handle. // // At least 1 GPU must be present in the system and running an NV display driver. // // The array hPhysicalGPU will be filled with physical GPU handle values. The returned // gpuCount determines how many entries in the array are valid. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hLogicalGPU is not valid; hPhysicalGPU is NULL // NVAPI_OK: one or more handles were returned // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_LOGICAL_GPU_HANDLE: hLogicalGPU was not a logical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetPhysicalGPUsFromLogicalGPU: function(hLogicalGPU: NvLogicalGpuHandle; var hPhysicalGPU: TNvPhysicalGpuHandleArray; var pGpuCount: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetAssociatedNvidiaDisplayHandle // // DESCRIPTION: Returns the handle of the NVIDIA display that is associated // with the display name given. Eg: "\\DISPLAY1" // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: either argument is NULL // NVAPI_OK: *pNvDispHandle is now valid // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA device maps to that display name // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetAssociatedNvidiaDisplayHandle: function(const szDisplayName: PAnsiChar; var NvDispHandle: NvDisplayHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetAssociatedNvidiaDisplayName // // DESCRIPTION: Returns the display name given. Eg: "\\DISPLAY1" using the NVIDIA display handle // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: either argument is NULL // NVAPI_OK: *pNvDispHandle is now valid // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA device maps to that display name // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetAssociatedNvidiaDisplayName: function(NvDispHandle: NvDisplayHandle; var szDisplayName: NvAPI_ShortString): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetUnAttachedAssociatedDisplayName // // DESCRIPTION: Returns the display name given. Eg: "\\DISPLAY1" using the NVIDIA unattached display handle // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: either argument is NULL // NVAPI_OK: *pNvDispHandle is now valid // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA device maps to that display name // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetUnAttachedAssociatedDisplayName: function(hNvUnAttachedDisp: NvUnAttachedDisplayHandle; var szDisplayName: NvAPI_ShortString): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_EnableHWCursor // // DESCRIPTION: Enable hardware cursor support // // SUPPORTED OS: Windows XP // // RETURN STATUS: NVAPI_ERROR or NVAPI_OK // /////////////////////////////////////////////////////////////////////////////// var NvAPI_EnableHWCursor: function(hNvDisplay: NvDisplayHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_DisableHWCursor // // DESCRIPTION: Disable hardware cursor support // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_ERROR or NVAPI_OK // /////////////////////////////////////////////////////////////////////////////// var NvAPI_DisableHWCursor: function(hNvDisplay: NvDisplayHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetVBlankCounter // // DESCRIPTION: get vblank counter // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_ERROR or NVAPI_OK // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetVBlankCounter: function(hNvDisplay: NvDisplayHandle; var pCounter: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_SetRefreshRateOverride // DESCRIPTION: Override the refresh rate on the given display/outputsMask. // The new refresh rate can be applied right away in this API call or deferred to happen with the // next OS modeset. The override is only good for one modeset (doesn't matter it's deferred or immediate). // // SUPPORTED OS: Windows XP // // // INPUT: hNvDisplay - the NVIDIA display handle. It can be NVAPI_DEFAULT_HANDLE or a handle // enumerated from NvAPI_EnumNVidiaDisplayHandle(). // // outputsMask - a set of bits that identify all target outputs which are associated with the NVIDIA // display handle to apply the refresh rate override. Note when SLI is enabled, the // outputsMask only applies to the GPU that is driving the display output. // // refreshRate - the override value. "0.0" means cancel the override. // // // bSetDeferred - "0": apply the refresh rate override immediately in this API call. // "1": apply refresh rate at the next OS modeset. // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hNvDisplay or outputsMask is invalid // NVAPI_OK: the refresh rate override is correct set // NVAPI_ERROR: the operation failed // /////////////////////////////////////////////////////////////////////////////// var NvAPI_SetRefreshRateOverride: function(hNvDisplay: NvDisplayHandle; outputMask: NvU32; refreshRate: Double; bSetDeferred: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetAssociatedDisplayOutputId // // DESCRIPTION: Gets the active outputId associated with the display handle. // // SUPPORTED OS: Windows XP and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. It can be NVAPI_DEFAULT_HANDLE or a handle enumerated from NvAPI_EnumNVidiaDisplayHandle(). // outputId(OUT) - The active display output id associated with the selected display handle hNvDisplay. // The outputid will have only one bit set. In case of clone or span this will indicate the display // outputId of the primary display that the GPU is driving. // RETURN STATUS: NVAPI_OK: call successful. // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found. // NVAPI_EXPECTED_DISPLAY_HANDLE: hNvDisplay is not a valid display handle. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetAssociatedDisplayOutputId: function(hNvDisplay: NvDisplayHandle; var pOutputId: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_GetDisplayPortInfo // // DESCRIPTION: This API returns the current DP related into on the specified device(monitor) // // SUPPORTED OS: Windows XP and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. It can be NVAPI_DEFAULT_HANDLE or a handle enumerated from NvAPI_EnumNVidiaDisplayHandle(). // outputId(IN) - The display output id. If it's "0" then the default outputId from NvAPI_GetAssociatedDisplayOutputId() will be used. // pInfo(OUT) - The display port info // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. // /////////////////////////////////////////////////////////////////////////////// type NV_DP_LINK_RATE = ( NV_DP_1_62GBPS = 6, NV_DP_2_70GBPS = $A ); NV_DP_LANE_COUNT = ( NV_DP_1_LANE = 1, NV_DP_2_LANE = 2, NV_DP_4_LANE = 4 ); NV_DP_COLOR_FORMAT = ( NV_DP_COLOR_FORMAT_RGB = 0, NV_DP_COLOR_FORMAT_YCbCr422, NV_DP_COLOR_FORMAT_YCbCr444 ); NV_DP_COLORIMETRY = ( NV_DP_COLORIMETRY_RGB = 0, NV_DP_COLORIMETRY_YCbCr_ITU601, NV_DP_COLORIMETRY_YCbCr_ITU709 ); NV_DP_DYNAMIC_RANGE = ( NV_DP_DYNAMIC_RANGE_VESA = 0, NV_DP_DYNAMIC_RANGE_CEA ); NV_DP_BPC = ( NV_DP_BPC_DEFAULT = 0, NV_DP_BPC_6, NV_DP_BPC_8, NV_DP_BPC_10, NV_DP_BPC_12, NV_DP_BPC_16 ); TTNvDisplayPortInfoFlags = ( isDp, isInternalDp, isColorCtrlSupported, is6BPCSupported, is8BPCSupported, is10BPCSupported, is12BPCSupported, is16BPCSupported ); NV_DISPLAY_PORT_INFO = record version: NvU32; // structure version dpcd_ver: NvU32; // the DPCD version of the monitor maxLinkRate: NV_DP_LINK_RATE; // the max supported link rate maxLaneCount: NV_DP_LANE_COUNT; // the max supported lane count curLinkRate: NV_DP_LINK_RATE; // the current link rate curLaneCount: NV_DP_LANE_COUNT; // the current lane count colorFormat: NV_DP_COLOR_FORMAT; // the current color format dynamicRange: NV_DP_DYNAMIC_RANGE; // the dynamic range colorimetry: NV_DP_COLORIMETRY; // ignored in RGB space bpc: NV_DP_BPC; // the current bit-per-component; Flags: TTNvDisplayPortInfoFlags; {isDp: NvU32 : 1; // if the monitor is driven by display port isInternalDp: NvU32 : 1; // if the monitor is driven by NV Dp transmitter isColorCtrlSupported: NvU32 : 1; // if the color format change is supported is6BPCSupported: NvU32 : 1; // if 6 bpc is supported is8BPCSupported: NvU32 : 1; // if 8 bpc is supported is10BPCSupported: NvU32 : 1; // if 10 bpc is supported is12BPCSupported: NvU32 : 1; // if 12 bpc is supported is16BPCSupported: NvU32 : 1; // if 16 bpc is supported} end; TNvDisplayPortInfo = NV_DISPLAY_PORT_INFO; const //#define NV_DISPLAY_PORT_INFO_VER MAKE_NVAPI_VERSION(NV_DISPLAY_PORT_INFO,1) NV_DISPLAY_PORT_INFO_VER = NvU32(SizeOf(NV_DISPLAY_PORT_INFO) or (1 shl 16)); var NvAPI_GetDisplayPortInfo: function(hNvDisplay: NvDisplayHandle; outputId: NvU32; var pInfo: TNvDisplayPortInfo): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_SetDisplayPort // // DESCRIPTION: This API is used to setup DP related configurations. // // SUPPORTED OS: Windows XP and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA display handle. It can be NVAPI_DEFAULT_HANDLE or a handle enumerated from NvAPI_EnumNVidiaDisplayHandle(). // outputId(IN) - This display output ID, when it's "0" it means the default outputId generated from the return of NvAPI_GetAssociatedDisplayOutputId(). // pCfg(IN) - The display port config structure. If pCfg is NULL, it means to use the driver's default value to setup. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. /////////////////////////////////////////////////////////////////////////////// type TNvDisplayPortConfigFlags = (isHPD, isSetDeferred, isChromaLpfOff, isDitherOff); NV_DISPLAY_PORT_CONFIG = record version: NvU32; // structure version - 2 is latest linkRate: NV_DP_LINK_RATE; // the link rate laneCount: NV_DP_LANE_COUNT; // the lane count colorFormat: NV_DP_COLOR_FORMAT; // the color format to set dynamicRange: NV_DP_DYNAMIC_RANGE; // the dynamic range colorimetry: NV_DP_COLORIMETRY; // ignored in RGB space bpc: NV_DP_BPC; // the current bit-per-component; Flags: TNvDisplayPortConfigFlags; {isHPD: NvU32 : 1; // if CPL is making this call due to HPD isSetDeferred: NvU32 : 1; // requires an OS modeset to finalize the setup if set isChromaLpfOff: NvU32 : 1; // force the chroma low_pass_filter to be off isDitherOff: NvU32 : 1; // force to turn off dither} end; TNvDisplayPortConfig = NV_DISPLAY_PORT_CONFIG; const //#define NV_DISPLAY_PORT_CONFIG_VER MAKE_NVAPI_VERSION(NV_DISPLAY_PORT_CONFIG,2) //#define NV_DISPLAY_PORT_CONFIG_VER_1 MAKE_NVAPI_VERSION(NV_DISPLAY_PORT_CONFIG,1) //#define NV_DISPLAY_PORT_CONFIG_VER_2 MAKE_NVAPI_VERSION(NV_DISPLAY_PORT_CONFIG,2) NV_DISPLAY_PORT_CONFIG_VER = NvU32(SizeOf(NV_DISPLAY_PORT_CONFIG) or (2 shl 16)); NV_DISPLAY_PORT_CONFIG_VER_1 = NvU32(SizeOf(NV_DISPLAY_PORT_CONFIG) or (1 shl 16)); NV_DISPLAY_PORT_CONFIG_VER_2 = NvU32(SizeOf(NV_DISPLAY_PORT_CONFIG) or (2 shl 16)); var NvAPI_SetDisplayPort: function(hNvDisplay: NvDisplayHandle; outputId: NvU32; var pCfg: TNvDisplayPortConfig): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_GetHDMISupportInfo // // DESCRIPTION: This API returns the current infoframe data on the specified device(monitor) // // SUPPORTED OS: Windows Vista and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. It can be NVAPI_DEFAULT_HANDLE or a handle enumerated from NvAPI_EnumNVidiaDisplayHandle(). // outputId(IN) - The display output id. If it's "0" then the default outputId from NvAPI_GetAssociatedDisplayOutputId() will be used. // pInfo(OUT) - The monitor and GPU's HDMI support info // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. // /////////////////////////////////////////////////////////////////////////////// type TNvHDMISupportInfoFlags = ( isGpuHDMICapable, isMonUnderscanCapable, isMonBasicAudioCapable, isMonYCbCr444Capable, isMonYCbCr422Capable, isMonxvYCC601Capable, isMonxvYCC709Capable, isMonHDMI ); NV_HDMI_SUPPORT_INFO = record version: NvU32; // structure version flags: TNvHDMISupportInfoFlags; {isGpuHDMICapable: NvU32 : 1; // if the GPU can handle HDMI isMonUnderscanCapable: NvU32 : 1; // if the monitor supports underscan isMonBasicAudioCapable: NvU32 : 1; // if the monitor supports basic audio isMonYCbCr444Capable: NvU32 : 1; // if YCbCr 4:4:4 is supported isMonYCbCr422Capable: NvU32 : 1; // if YCbCr 4:2:2 is supported isMonxvYCC601Capable: NvU32 : 1; // if xvYCC 601 is supported isMonxvYCC709Capable: NvU32 : 1; // if xvYCC 709 is supported isMonHDMI: NvU32 : 1; // if the monitor is HDMI (with IEEE's HDMI registry ID)} EDID861ExtRev: NvU32; // the revision number of the EDID 861 extension end; TNvHDMISupportInfo = NV_HDMI_SUPPORT_INFO; const //#define NV_HDMI_SUPPORT_INFO_VER MAKE_NVAPI_VERSION(NV_HDMI_SUPPORT_INFO,1) NV_HDMI_SUPPORT_INFO_VER = NvU32(SizeOf(NV_HDMI_SUPPORT_INFO) or (1 shl 16)); var NvAPI_GetHDMISupportInfo: function(hNvDisplay: NvDisplayHandle; outputId: NvU32; var pInfo: TNvHDMISupportInfo): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetAllOutputs // // DESCRIPTION: Returns set of all GPU-output identifiers as a bitmask. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pOutputsMask contains a set of GPU-output identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetAllOutputs: function(hPhysicalGpu: NvPhysicalGpuHandle; var pOutputsMask: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetConnectedOutputs // // DESCRIPTION: Same as NvAPI_GPU_GetAllOutputs but returns only the set of GPU-output // identifiers that are connected to display devices. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pOutputsMask contains a set of GPU-output identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetConnectedOutputs: function(hPhysicalGpu: NvPhysicalGpuHandle; var pOutputsMask: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetConnectedSLIOutputs // // DESCRIPTION: Same as NvAPI_GPU_GetConnectedOutputs but returns only the set of GPU-output // identifiers that can be selected in an SLI configuration. With SLI disabled // this function matches NvAPI_GPU_GetConnectedOutputs // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pOutputsMask contains a set of GPU-output identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetConnectedSLIOutputs: function(hPhysicalGpu: NvPhysicalGpuHandle; var pOutputsMask: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetConnectedOutputsWithLidState // // DESCRIPTION: Similar to NvAPI_GPU_GetConnectedOutputs this API returns the connected display identifiers that are connected // as a output mask but unlike NvAPI_GPU_GetConnectedOutputs this API "always" reflects the Lid State in the output mask. // Thus if you expect the LID close state to be available in the connection mask use this API. // If LID is closed then this API will remove the LID panel from the connected display identifiers. // If LID is open then this API will reflect the LID panel in the connected display identifiers. // Note:This API should be used on laptop systems and on systems where LID state is required in the connection output mask. // On desktop systems the returned identifiers will match NvAPI_GPU_GetConnectedOutputs. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pOutputsMask contains a set of GPU-output identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetConnectedOutputsWithLidState: function(hPhysicalGpu: NvPhysicalGpuHandle; var pOutputsMask: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetConnectedSLIOutputsWithLidState // // DESCRIPTION: Same as NvAPI_GPU_GetConnectedOutputsWithLidState but returns only the set of GPU-output // identifiers that can be selected in an SLI configuration. With SLI disabled // this function matches NvAPI_GPU_GetConnectedOutputsWithLidState // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pOutputsMask contains a set of GPU-output identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetConnectedSLIOutputsWithLidState: function(hPhysicalGpu: NvPhysicalGpuHandle; var pOutputsMask: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetSystemType // // DESCRIPTION: Returns information to identify if the GPU type is for a laptop system or a desktop system. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pSystemType contains the GPU system type // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// type NV_SYSTEM_TYPE = ( NV_SYSTEM_TYPE_UNKNOWN = 0, NV_SYSTEM_TYPE_LAPTOP = 1, NV_SYSTEM_TYPE_DESKTOP = 2 ); var NvAPI_GPU_GetSystemType: function(hPhysicalGpu: NvPhysicalGpuHandle; var pSystemType: NV_SYSTEM_TYPE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetActiveOutputs // // DESCRIPTION: Same as NvAPI_GPU_GetAllOutputs but returns only the set of GPU-output // identifiers that are actively driving display devices. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pOutputsMask is NULL // NVAPI_OK: *pOutputsMask contains a set of GPU-output identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetActiveOutputs: function(hPhysicalGpu: NvPhysicalGpuHandle; var pOutputsMask: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetEDID // // DESCRIPTION: Returns the EDID data for the specified GPU handle and connection bit mask. // displayOutputId should have exactly 1 bit set to indicate a single display. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pEDID is NULL; displayOutputId has 0 or > 1 bits set. // NVAPI_OK: *pEDID contains valid data. // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found. // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle. // NVAPI_DATA_NOT_FOUND: requested display does not contain an EDID // /////////////////////////////////////////////////////////////////////////////// const NV_EDID_V1_DATA_SIZE = 256; NV_EDID_DATA_SIZE = NV_EDID_V1_DATA_SIZE; type NV_EDID = record version: NvU32; //structure version EDID_Data: array[0..NV_EDID_DATA_SIZE - 1] of NvU8; sizeofEDID: NvU32; end; TNvEDID = NV_EDID; const //#define NV_EDID_VER MAKE_NVAPI_VERSION(NV_EDID,2) NV_EDID_VER = NvU32(SizeOf(NV_EDID) or (2 shl 16)); var NvAPI_GPU_GetEDID: function(hPhysicalGpu: NvPhysicalGpuHandle; displayOutputId: NvU32; var pEDID: TNvEDID): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetOutputType // // DESCRIPTION: Give a physical GPU handle and a single outputId (exactly 1 bit set), this API // returns the output type. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu, outputId or pOutputsMask is NULL; or outputId has > 1 bit set // NVAPI_OK: *pOutputType contains a NvGpuOutputType value // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// type _NV_GPU_OUTPUT_TYPE = ( NVAPI_GPU_OUTPUT_UNKNOWN = 0, NVAPI_GPU_OUTPUT_CRT = 1, // CRT display device NVAPI_GPU_OUTPUT_DFP = 2, // Digital Flat Panel display device NVAPI_GPU_OUTPUT_TV = 3 // TV display device ); NV_GPU_OUTPUT_TYPE = _NV_GPU_OUTPUT_TYPE; var NvAPI_GPU_GetOutputType: function(hPhysicalGpu: NvPhysicalGpuHandle; outputId: NvU32; var pOutputType: NV_GPU_OUTPUT_TYPE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_ValidateOutputCombination // // DESCRIPTION: This call is used to determine if a set of GPU outputs can be active // simultaneously. While a GPU may have outputs, they can not typically // all be active at the same time due to internal resource sharing. // // Given a physical GPU handle and a mask of candidate outputs, this call // will return NVAPI_OK if all of the specified outputs can be driven // simultaneously. It will return NVAPI_INVALID_COMBINATION if they cannot. // // Use NvAPI_GPU_GetAllOutputs() to determine which outputs are candidates. // // SUPPORTED OS: Windows XP and higher // // RETURN STATUS: NVAPI_OK: combination of outputs in outputsMask are valid (can be active simultaneously) // NVAPI_INVALID_COMBINATION: combination of outputs in outputsMask are NOT valid // NVAPI_INVALID_ARGUMENT: hPhysicalGpu or outputsMask does not have at least 2 bits set // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_ValidateOutputCombination: function(hPhysicalGpu: NvPhysicalGpuHandle; outputsMask: NvU32): NvAPI_Status; cdecl; type _NV_GPU_CONNECTOR_TYPE = ( NVAPI_GPU_CONNECTOR_VGA_15_PIN = $00000000, NVAPI_GPU_CONNECTOR_TV_COMPOSITE = $00000010, NVAPI_GPU_CONNECTOR_TV_SVIDEO = $00000011, NVAPI_GPU_CONNECTOR_TV_HDTV_COMPONENT = $00000013, NVAPI_GPU_CONNECTOR_TV_SCART = $00000014, NVAPI_GPU_CONNECTOR_TV_COMPOSITE_SCART_ON_EIAJ4120 = $00000016, NVAPI_GPU_CONNECTOR_TV_HDTV_EIAJ4120 = $00000017, NVAPI_GPU_CONNECTOR_PC_POD_HDTV_YPRPB = $00000018, NVAPI_GPU_CONNECTOR_PC_POD_SVIDEO = $00000019, NVAPI_GPU_CONNECTOR_PC_POD_COMPOSITE = $0000001A, NVAPI_GPU_CONNECTOR_DVI_I_TV_SVIDEO = $00000020, NVAPI_GPU_CONNECTOR_DVI_I_TV_COMPOSITE = $00000021, NVAPI_GPU_CONNECTOR_DVI_I = $00000030, NVAPI_GPU_CONNECTOR_DVI_D = $00000031, NVAPI_GPU_CONNECTOR_ADC = $00000032, NVAPI_GPU_CONNECTOR_LFH_DVI_I_1 = $00000038, NVAPI_GPU_CONNECTOR_LFH_DVI_I_2 = $00000039, NVAPI_GPU_CONNECTOR_SPWG = $00000040, NVAPI_GPU_CONNECTOR_OEM = $00000041, NVAPI_GPU_CONNECTOR_DISPLAYPORT_EXTERNAL = $00000046, NVAPI_GPU_CONNECTOR_DISPLAYPORT_INTERNAL = $00000047, NVAPI_GPU_CONNECTOR_HDMI_A = $00000061, NVAPI_GPU_CONNECTOR_UNKNOWN = Integer($FFFFFFFF) ); NV_GPU_CONNECTOR_TYPE = _NV_GPU_CONNECTOR_TYPE; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetFullName // // DESCRIPTION: Retrieves the full GPU name as an ascii string. Eg: "Quadro FX 1400" // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_ERROR or NVAPI_OK // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetFullName: function(hPhysicalGpu: NvPhysicalGpuHandle; var szName: NvAPI_ShortString): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetPCIIdentifiers // // DESCRIPTION: Returns the PCI identifiers associated with this GPU. // DeviceId - the internal PCI device identifier for the GPU. // SubSystemId - the internal PCI subsystem identifier for the GPU. // RevisionId - the internal PCI device-specific revision identifier for the GPU. // ExtDeviceId - the external PCI device identifier for the GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or an argument is NULL // NVAPI_OK: arguments are populated with PCI identifiers // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetPCIIdentifiers: function(hPhysicalGpu: NvPhysicalGpuHandle; var pDeviceId, pSubSystemId, pRevisionId, pExtDeviceId: NvU32): NvAPI_Status; cdecl; type _NV_GPU_TYPE = ( NV_SYSTEM_TYPE_GPU_UNKNOWN = 0, NV_SYSTEM_TYPE_IGPU = 1, //integrated NV_SYSTEM_TYPE_DGPU = 2 //discrete ); NV_GPU_TYPE = _NV_GPU_TYPE; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetGPUType // // DESCRIPTION: Returns information to identify the GPU type // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu // NVAPI_OK: *pGpuType contains the GPU type // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetGPUType: function(hPhysicalGpu: NvPhysicalGpuHandle; var pGpuType: NV_GPU_TYPE): NvAPI_Status; cdecl; type _NV_GPU_BUS_TYPE = ( NVAPI_GPU_BUS_TYPE_UNDEFINED = 0, NVAPI_GPU_BUS_TYPE_PCI = 1, NVAPI_GPU_BUS_TYPE_AGP = 2, NVAPI_GPU_BUS_TYPE_PCI_EXPRESS = 3, NVAPI_GPU_BUS_TYPE_FPCI = 4 ); NV_GPU_BUS_TYPE = _NV_GPU_BUS_TYPE; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetBusType // // DESCRIPTION: Returns the type of bus associated with this GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pBusType is NULL // NVAPI_OK: *pBusType contains bus identifier // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetBusType: function(hPhysicalGpu: NvPhysicalGpuHandle; var pBusType: NV_GPU_BUS_TYPE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetBusId // // DESCRIPTION: Returns the ID of bus associated with this GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pBusId is NULL // NVAPI_OK: *pBusId contains bus id // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetBusId: function(hPhysicalGpu: NvPhysicalGpuHandle; var pBusId: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetBusSlotId // // DESCRIPTION: Returns the ID of bus-slot associated with this GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pBusSlotId is NULL // NVAPI_OK: *pBusSlotId contains bus-slot id // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetBusSlotId: function(hPhysicalGpu: NvPhysicalGpuHandle; var pBusSlotId: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetIRQ // // DESCRIPTION: Returns the interrupt number associated with this GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pIRQ is NULL // NVAPI_OK: *pIRQ contains interrupt number // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetIRQ: function(hPhysicalGpu: NvPhysicalGpuHandle; var pIRQ: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetVbiosRevision // // DESCRIPTION: Returns the revision of the video bios associated with this GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pBiosRevision is NULL // NVAPI_OK: *pBiosRevision contains revision number // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetVbiosRevision: function(hPhysicalGpu: NvPhysicalGpuHandle; var pBiosRevision: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetVbiosOEMRevision // // DESCRIPTION: Returns the OEM revision of the video bios associated with this GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu or pBiosRevision is NULL // NVAPI_OK: *pBiosRevision contains revision number // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetVbiosOEMRevision: function(hPhysicalGpu: NvPhysicalGpuHandle; var pBiosRevision: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetVbiosVersionString // // DESCRIPTION: Returns the full bios version string in the form of xx.xx.xx.xx.yy where // the xx numbers come from NvAPI_GPU_GetVbiosRevision and yy comes from // NvAPI_GPU_GetVbiosOEMRevision. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: hPhysicalGpu is NULL // NVAPI_OK: szBiosRevision contains version string // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetVbiosVersionString: function(hPhysicalGpu: NvPhysicalGpuHandle; var szBiosRevision: NvAPI_ShortString): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetAGPAperture // // DESCRIPTION: Returns AGP aperture in megabytes // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pSize is NULL // NVAPI_OK: call successful // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetAGPAperture: function(hPhysicalGpu: NvPhysicalGpuHandle; pSize: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetCurrentAGPRate // // DESCRIPTION: Returns the current AGP Rate (1 = 1x, 2=2x etc, 0 = AGP not present) // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pRate is NULL // NVAPI_OK: call successful // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetCurrentAGPRate: function(hPhysicalGpu: NvPhysicalGpuHandle; var pRate: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetCurrentPCIEDownstreamWidth // // DESCRIPTION: Returns the number of PCIE lanes being used for the PCIE interface // downstream from the GPU. // // On systems that do not support PCIE, the maxspeed for the root link // will be zero. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pWidth is NULL // NVAPI_OK: call successful // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetCurrentPCIEDownstreamWidth: function(hPhysicalGpu: NvPhysicalGpuHandle; var pWidth: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetPhysicalFrameBufferSize // // DESCRIPTION: Returns the physical size of framebuffer in Kb. This does NOT include any // system RAM that may be dedicated for use by the GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pSize is NULL // NVAPI_OK: call successful // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetPhysicalFrameBufferSize: function(hPhysicalGpu: NvPhysicalGpuHandle; var pSize: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetVirtualFrameBufferSize // // DESCRIPTION: Returns the virtual size of framebuffer in Kb. This includes the physical RAM plus any // system RAM that has been dedicated for use by the GPU. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pSize is NULL // NVAPI_OK: call successful // NVAPI_NVIDIA_DEVICE_NOT_FOUND: no NVIDIA GPU driving a display was found // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE: hPhysicalGpu was not a physical GPU handle // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetVirtualFrameBufferSize: function(hPhysicalGpu: NvPhysicalGpuHandle; var pSize: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////////// // Thermal API // Provides ability to get temperature levels from the various thermal sensors associated with the GPU const NVAPI_MAX_THERMAL_SENSORS_PER_GPU = 3; type NV_THERMAL_TARGET = ( NVAPI_THERMAL_TARGET_NONE = 0, NVAPI_THERMAL_TARGET_GPU = 1, NVAPI_THERMAL_TARGET_MEMORY = 2, NVAPI_THERMAL_TARGET_POWER_SUPPLY = 4, NVAPI_THERMAL_TARGET_BOARD = 8, NVAPI_THERMAL_TARGET_ALL = 15, NVAPI_THERMAL_TARGET_UNKNOWN = -1 ); NV_THERMAL_CONTROLLER = ( NVAPI_THERMAL_CONTROLLER_NONE = 0, NVAPI_THERMAL_CONTROLLER_GPU_INTERNAL, NVAPI_THERMAL_CONTROLLER_ADM1032, NVAPI_THERMAL_CONTROLLER_MAX6649, NVAPI_THERMAL_CONTROLLER_MAX1617, NVAPI_THERMAL_CONTROLLER_LM99, NVAPI_THERMAL_CONTROLLER_LM89, NVAPI_THERMAL_CONTROLLER_LM64, NVAPI_THERMAL_CONTROLLER_ADT7473, NVAPI_THERMAL_CONTROLLER_SBMAX6649, NVAPI_THERMAL_CONTROLLER_VBIOSEVT, NVAPI_THERMAL_CONTROLLER_OS, NVAPI_THERMAL_CONTROLLER_UNKNOWN = -1 ); NV_GPU_THERMAL_SETTINGS = record version: NvU32; //structure version count: NvU32; //number of associated thermal sensors with the selected GPU sensor: array[0..NVAPI_MAX_THERMAL_SENSORS_PER_GPU - 1] of record controller: NV_THERMAL_CONTROLLER; //internal, ADM1032, MAX6649... defaultMinTemp: NvU32; //the min default temperature value of the thermal sensor in degrees centigrade defaultMaxTemp: NvU32; //the max default temperature value of the thermal sensor in degrees centigrade currentTemp: NvU32; //the current temperature value of the thermal sensor in degrees centigrade target: NV_THERMAL_TARGET; //thermal senor targeted @ GPU, memory, chipset, powersupply, canoas... end; end; TNvGPUThermalSettings = NV_GPU_THERMAL_SETTINGS; PNvGPUThermalSettings = ^TNvGPUThermalSettings; const //#define NV_GPU_THERMAL_SETTINGS_VER MAKE_NVAPI_VERSION(NV_GPU_THERMAL_SETTINGS,1) NV_GPU_THERMAL_SETTINGS_VER = NvU32(SizeOf(NV_GPU_THERMAL_SETTINGS) or (1 shl 16)); /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GPU_GetThermalSettings // // DESCRIPTION: Retrieves the thermal information of all thermal sensors or specific thermal sensor associated with the selected GPU. // Thermal sensors are indexed 0 to NVAPI_MAX_THERMAL_SENSORS_PER_GPU-1. // To retrieve specific thermal sensor info set the sensorIndex to the required thermal sensor index. // To retrieve info for all sensors set sensorIndex to NVAPI_THERMAL_TARGET_ALL. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // PARAMETERS : hPhysicalGPU(IN) - GPU selection. // sensorIndex(IN) - Explicit thermal sensor index selection. // pThermalSettings(OUT) - Array of thermal settings. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT - pThermalInfo is NULL // NVAPI_HANDLE_INVALIDATED - handle passed has been invalidated (see user guide) // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE - handle passed is not a physical GPU handle // NVAPI_INCOMPATIBLE_STRUCT_VERSION - the version of the INFO struct is not supported // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GPU_GetThermalSettings: function(hPhysicalGpu: NvPhysicalGpuHandle; sensorIndex: NvU32; pThermalSettings: PNvGPUThermalSettings): NvAPI_Status; cdecl; //////////////////////////////////////////////////////////////////////////////// //NvAPI_TVOutput Information type _NV_DISPLAY_TV_FORMAT = ( NV_DISPLAY_TV_FORMAT_NONE = 0, NV_DISPLAY_TV_FORMAT_SD_NTSCM = $00000001, NV_DISPLAY_TV_FORMAT_SD_NTSCJ = $00000002, NV_DISPLAY_TV_FORMAT_SD_PALM = $00000004, NV_DISPLAY_TV_FORMAT_SD_PALBDGH = $00000008, NV_DISPLAY_TV_FORMAT_SD_PALN = $00000010, NV_DISPLAY_TV_FORMAT_SD_PALNC = $00000020, NV_DISPLAY_TV_FORMAT_SD_576i = $00000100, NV_DISPLAY_TV_FORMAT_SD_480i = $00000200, NV_DISPLAY_TV_FORMAT_ED_480p = $00000400, NV_DISPLAY_TV_FORMAT_ED_576p = $00000800, NV_DISPLAY_TV_FORMAT_HD_720p = $00001000, NV_DISPLAY_TV_FORMAT_HD_1080i = $00002000, NV_DISPLAY_TV_FORMAT_HD_1080p = $00004000, NV_DISPLAY_TV_FORMAT_HD_720p50 = $00008000, NV_DISPLAY_TV_FORMAT_HD_1080p24 = $00010000, NV_DISPLAY_TV_FORMAT_HD_1080i50 = $00020000, NV_DISPLAY_TV_FORMAT_HD_1080p50 = $00040000 ); NV_DISPLAY_TV_FORMAT = _NV_DISPLAY_TV_FORMAT; /////////////////////////////////////////////////////////////////////////////////// // I2C API // Provides ability to read or write data using I2C protocol. // These APIs allow I2C access only to DDC monitors const NVAPI_MAX_SIZEOF_I2C_DATA_BUFFER = 256; NVAPI_NO_PORTID_FOUND = 5; NVAPI_DISPLAY_DEVICE_MASK_MAX = 24; type NV_I2C_INFO = record version: NvU32; //structure version displayMask: NvU32; //the Display Mask of the concerned display bIsDDCPort: NvU8; //Flag indicating DDC port or a communication port i2cDevAddress: NvU8; //the I2C target device address pbI2cRegAddress: PNvU8; //the I2C target register address regAddrSize: NvU32; //the size in bytes of target register address pbData: PNvU8; //The buffer of data which is to be read/written cbSize: NvU32; //The size of Data buffer to be read. i2cSpeed: NvU32; //The speed at which the transaction is be made(between 28kbps to 40kbps) end; TNvI2CInfo = NV_I2C_INFO; const //#define NV_I2C_INFO_VER MAKE_NVAPI_VERSION(NV_I2C_INFO,1) NV_I2C_INFO_VER = NvU32(SizeOf(NV_I2C_INFO) or (1 shl 16)); {***********************************************************************************} /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_I2CRead // // DESCRIPTION: Read data buffer from I2C port // // SUPPORTED OS: Mac OS X, Windows XP and higher // // PARAMETERS: hPhysicalGPU(IN) - GPU selection. // NV_I2C_INFO *pI2cInfo -The I2c data input structure // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_HANDLE_INVALIDATED - handle passed has been invalidated (see user guide) // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE - handle passed is not a physical GPU handle // NVAPI_INCOMPATIBLE_STRUCT_VERSION - structure version is not supported // /////////////////////////////////////////////////////////////////////////////// var NvAPI_I2CRead: function(hPhysicalGpu: NvPhysicalGpuHandle; var pI2cInfo: TNvI2CInfo): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_I2CWrite // // DESCRIPTION: Writes data buffer to I2C port // // SUPPORTED OS: Mac OS X, Windows XP and higher // // PARAMETERS: hPhysicalGPU(IN) - GPU selection. // NV_I2C_INFO *pI2cInfo -The I2c data input structure // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_HANDLE_INVALIDATED - handle passed has been invalidated (see user guide) // NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE - handle passed is not a physical GPU handle // NVAPI_INCOMPATIBLE_STRUCT_VERSION - structure version is not supported // /////////////////////////////////////////////////////////////////////////////// var NvAPI_I2CWrite: function(hPhysicalGpu: NvPhysicalGpuHandle; var pI2cInfo: TNvI2CInfo): NvAPI_Status; cdecl; type NV_CHIPSET_INFO = record version: NvU32; //structure version vendorId: NvU32; //vendorId deviceId: NvU32; //deviceId szVendorName: NvAPI_ShortString; //vendor Name szChipsetName: NvAPI_ShortString; //device Name flags: NvU32; //Chipset info flags - obsolete subSysVendorId: NvU32; //subsystem vendorId subSysDeviceId: NvU32; //subsystem deviceId szSubSysVendorName: NvAPI_ShortString;//subsystem vendor Name end; TNvChipsetInfo = NV_CHIPSET_INFO; const //#define NV_CHIPSET_INFO_VER MAKE_NVAPI_VERSION(NV_CHIPSET_INFO,3) NV_CHIPSET_INFO_VER = NvU32(SizeOf(NV_CHIPSET_INFO) or (3 shl 16)); {type NV_CHIPSET_INFO_FLAGS = ( NV_CHIPSET_INFO_HYBRID = $00000001 );} const NV_CHIPSET_INFO_HYBRID = $00000001; type NV_CHIPSET_INFO_v2 = record version: NvU32; //structure version vendorId: NvU32; //vendorId deviceId: NvU32; //deviceId szVendorName: NvAPI_ShortString; //vendor Name szChipsetName: NvAPI_ShortString; //device Name flags: NvU32; //Chipset info flags end; TNvChipsetInfoV2 = NV_CHIPSET_INFO_v2; const //#define NV_CHIPSET_INFO_VER_2 MAKE_NVAPI_VERSION(NV_CHIPSET_INFO_v2,2) NV_CHIPSET_INFO_VER_2 = NvU32(SizeOf(NV_CHIPSET_INFO_v2) or (2 shl 16)); type NV_CHIPSET_INFO_v1 = record version: NvU32; //structure version vendorId: NvU32; //vendorId deviceId: NvU32; //deviceId szVendorName: NvAPI_ShortString; //vendor Name szChipsetName: NvAPI_ShortString; //device Name end; TNvChipsetInfoV1 = NV_CHIPSET_INFO_v1; const //#define NV_CHIPSET_INFO_VER_1 MAKE_NVAPI_VERSION(NV_CHIPSET_INFO_v1,1) NV_CHIPSET_INFO_VER_1 = NvU32(SizeOf(NV_CHIPSET_INFO_v1) or (1 shl 16)); /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_SYS_GetChipSetInfo // // DESCRIPTION: Returns information about the System's ChipSet // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_INVALID_ARGUMENT: pChipSetInfo is NULL // NVAPI_OK: *pChipSetInfo is now set // NVAPI_INCOMPATIBLE_STRUCT_VERSION - NV_CHIPSET_INFO version not compatible with driver // /////////////////////////////////////////////////////////////////////////////// function NvAPI_SYS_GetChipSetInfo(var pChipSetInfo: TNvChipsetInfo): NvAPI_Status; cdecl; overload; function NvAPI_SYS_GetChipSetInfo(var pChipSetInfo: TNvChipsetInfoV2): NvAPI_Status; cdecl; overload; function NvAPI_SYS_GetChipSetInfo(var pChipSetInfo: TNvChipsetInfoV1): NvAPI_Status; cdecl; overload; type NV_LID_DOCK_PARAMS = record version: NvU32; // Structure version, constructed from macro below currentLidState: NvU32; currentDockState: NvU32; currentLidPolicy: NvU32; currentDockPolicy: NvU32; forcedLidMechanismPresent: NvU32; forcedDockMechanismPresent: NvU32; end; TNvLIDDockParams = NV_LID_DOCK_PARAMS; const //#define NV_LID_DOCK_PARAMS_VER MAKE_NVAPI_VERSION(NV_LID_DOCK_PARAMS,1) NV_LID_DOCK_PARAMS_VER = NvU32(SizeOf(NV_LID_DOCK_PARAMS) or (1 shl 16)); /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_GetLidDockInfo // // DESCRIPTION: Returns current lid and dock information. // // SUPPORTED OS: Mac OS X, Windows XP and higher // // RETURN STATUS: NVAPI_OK: now *pLidAndDock contains the returned lid and dock information. // NVAPI_ERROR:If any way call is not success. // NVAPI_NOT_SUPPORTED:If any way call is not success. // NVAPI_HANDLE_INVALIDATED:If nvapi escape result handle is invalid. // NVAPI_API_NOT_INTIALIZED:If NVAPI is not initialized. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_SYS_GetLidAndDockInfo: function(var pLidAndDock: TNvLIDDockParams): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_OGL_ExpertModeSet[Get] // // DESCRIPTION: Configure OpenGL Expert Mode, an API usage feedback and // advice reporting mechanism. The effects of this call are // applied only to the current context, and are reset to the // defaults when the context is destroyed. // // Note: This feature is valid at runtime only when GLExpert // functionality has been built into the OpenGL driver // installed on the system. All Windows Vista OpenGL // drivers provided by NVIDIA have this instrumentation // included by default. Windows XP, however, requires a // special display driver available with the NVIDIA // PerfSDK found at developer.nvidia.com. // // Note: These functions are valid only for the current OpenGL // context. Calling these functions prior to creating a // context and calling MakeCurrent with it will result // in errors and undefined behavior. // // PARAMETERS: expertDetailMask Mask made up of NVAPI_OGLEXPERT_DETAIL bits, // this parameter specifies the detail level in // the feedback stream. // // expertReportMask Mask made up of NVAPI_OGLEXPERT_REPORT bits, // this parameter specifies the areas of // functional interest. // // expertOutputMask Mask made up of NVAPI_OGLEXPERT_OUTPUT bits, // this parameter specifies the feedback output // location. // // expertCallback Used in conjunction with OUTPUT_TO_CALLBACK, // this is a simple callback function the user // may use to obtain the feedback stream. The // function will be called once per fully // qualified feedback stream entry. // // RETURN STATUS: NVAPI_API_NOT_INTIALIZED : NVAPI not initialized // NVAPI_NVIDIA_DEVICE_NOT_FOUND : no NVIDIA GPU found // NVAPI_OPENGL_CONTEXT_NOT_CURRENT : no NVIDIA OpenGL context // which supports GLExpert // has been made current // NVAPI_ERROR : OpenGL driver failed to load properly // NVAPI_OK : success // /////////////////////////////////////////////////////////////////////////////// const NVAPI_OGLEXPERT_DETAIL_NONE = $00000000; NVAPI_OGLEXPERT_DETAIL_ERROR = $00000001; NVAPI_OGLEXPERT_DETAIL_SWFALLBACK = $00000002; NVAPI_OGLEXPERT_DETAIL_BASIC_INFO = $00000004; NVAPI_OGLEXPERT_DETAIL_DETAILED_INFO = $00000008; NVAPI_OGLEXPERT_DETAIL_PERFORMANCE_WARNING = $00000010; NVAPI_OGLEXPERT_DETAIL_QUALITY_WARNING = $00000020; NVAPI_OGLEXPERT_DETAIL_USAGE_WARNING = $00000040; NVAPI_OGLEXPERT_DETAIL_ALL = $FFFFFFFF; NVAPI_OGLEXPERT_REPORT_NONE = $00000000; NVAPI_OGLEXPERT_REPORT_ERROR = $00000001; NVAPI_OGLEXPERT_REPORT_SWFALLBACK = $00000002; NVAPI_OGLEXPERT_REPORT_PIPELINE_VERTEX = $00000004; NVAPI_OGLEXPERT_REPORT_PIPELINE_GEOMETRY = $00000008; NVAPI_OGLEXPERT_REPORT_PIPELINE_XFB = $00000010; NVAPI_OGLEXPERT_REPORT_PIPELINE_RASTER = $00000020; NVAPI_OGLEXPERT_REPORT_PIPELINE_FRAGMENT = $00000040; NVAPI_OGLEXPERT_REPORT_PIPELINE_ROP = $00000080; NVAPI_OGLEXPERT_REPORT_PIPELINE_FRAMEBUFFER = $00000100; NVAPI_OGLEXPERT_REPORT_PIPELINE_PIXEL = $00000200; NVAPI_OGLEXPERT_REPORT_PIPELINE_TEXTURE = $00000400; NVAPI_OGLEXPERT_REPORT_OBJECT_BUFFEROBJECT = $00000800; NVAPI_OGLEXPERT_REPORT_OBJECT_TEXTURE = $00001000; NVAPI_OGLEXPERT_REPORT_OBJECT_PROGRAM = $00002000; NVAPI_OGLEXPERT_REPORT_OBJECT_FBO = $00004000; NVAPI_OGLEXPERT_REPORT_FEATURE_SLI = $00008000; NVAPI_OGLEXPERT_REPORT_ALL = $FFFFFFFF; NVAPI_OGLEXPERT_OUTPUT_TO_NONE = $00000000; NVAPI_OGLEXPERT_OUTPUT_TO_CONSOLE = $00000001; NVAPI_OGLEXPERT_OUTPUT_TO_DEBUGGER = $00000004; NVAPI_OGLEXPERT_OUTPUT_TO_CALLBACK = $00000008; NVAPI_OGLEXPERT_OUTPUT_TO_ALL = $FFFFFFFF; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION TYPE: NVAPI_OGLEXPERT_CALLBACK // // DESCRIPTION: Used in conjunction with OUTPUT_TO_CALLBACK, this is a simple // callback function the user may use to obtain the feedback // stream. The function will be called once per fully qualified // feedback stream entry. // // PARAMETERS: categoryId Contains the bit from the NVAPI_OGLEXPERT_REPORT // mask that corresponds to the current message // messageId Unique Id for the current message // detailLevel Contains the bit from the NVAPI_OGLEXPERT_DETAIL // mask that corresponds to the current message // objectId Unique Id of the object that corresponds to the // current message // messageStr Text string from the current message // /////////////////////////////////////////////////////////////////////////////// type //typedef void (* NVAPI_OGLEXPERT_CALLBACK) (unsigned int categoryId, unsigned int messageId, unsigned int detailLevel, int objectId, const char *messageStr): NvAPI_Status; cdecl; NVAPI_OGLEXPERT_CALLBACK = procedure (categoryId, messageId, detailLevel: Cardinal; objectId: Integer; const messageStr: PChar); cdecl; // SUPPORTED OS: Windows XP and higher var NvAPI_OGL_ExpertModeSet: function(expertDetailLevel: NvU32; expertReportMask: NvU32; expertOutputMask: NvU32; expertCallback: NVAPI_OGLEXPERT_CALLBACK): NvAPI_Status; cdecl; // SUPPORTED OS: Windows XP and higher var NvAPI_OGL_ExpertModeGet: function(var pExpertDetailLevel: NvU32; var pExpertReportMask: NvU32; var pExpertOutputMask; var pExpertCallback: NVAPI_OGLEXPERT_CALLBACK): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_OGL_ExpertModeDefaultsSet[Get] // // DESCRIPTION: Configure OpenGL Expert Mode global defaults. These settings // apply to any OpenGL application which starts up after these // values are applied (i.e. these settings *do not* apply to // currently running applications). // // PARAMETERS: expertDetailLevel Value which specifies the detail level in // the feedback stream. This is a mask made up // of NVAPI_OGLEXPERT_LEVEL bits. // // expertReportMask Mask made up of NVAPI_OGLEXPERT_REPORT bits, // this parameter specifies the areas of // functional interest. // // expertOutputMask Mask made up of NVAPI_OGLEXPERT_OUTPUT bits, // this parameter specifies the feedback output // location. Note that using OUTPUT_TO_CALLBACK // here is meaningless and has no effect, but // using it will not cause an error. // // RETURN STATUS: NVAPI_ERROR or NVAPI_OK // /////////////////////////////////////////////////////////////////////////////// // SUPPORTED OS: Windows XP and higher var NvAPI_OGL_ExpertModeDefaultsSet: function(expertDetailLevel: NvU32; expertReportMask: NvU32; expertOutputMask: NvU32): NvAPI_Status; cdecl; // SUPPORTED OS: Windows XP and higher var NvAPI_OGL_ExpertModeDefaultsGet: function(var pExpertDetailLevel: NvU32; var pExpertReportMask: NvU32; var pExpertOutputMask: NvU32): NvAPI_Status; cdecl; const NVAPI_MAX_VIEW_TARGET = 2; type _NV_TARGET_VIEW_MODE = ( NV_VIEW_MODE_STANDARD = 0, NV_VIEW_MODE_CLONE = 1, NV_VIEW_MODE_HSPAN = 2, NV_VIEW_MODE_VSPAN = 3, NV_VIEW_MODE_DUALVIEW = 4, NV_VIEW_MODE_MULTIVIEW = 5 ); NV_TARGET_VIEW_MODE = _NV_TARGET_VIEW_MODE; TNvTargetViewMode = NV_TARGET_VIEW_MODE; PNvTargetViewMode = ^TNvTargetViewMode; // Following definitions are used in NvAPI_SetViewEx. // Scaling modes _NV_SCALING = ( NV_SCALING_DEFAULT = 0, // No change NV_SCALING_MONITOR_SCALING = 1, NV_SCALING_ADAPTER_SCALING = 2, NV_SCALING_CENTERED = 3, NV_SCALING_ASPECT_SCALING = 5, NV_SCALING_CUSTOMIZED = 255 // For future use ); NV_SCALING = _NV_SCALING; // Rotate modes _NV_ROTATE = ( NV_ROTATE_0 = 0, NV_ROTATE_90 = 1, NV_ROTATE_180 = 2, NV_ROTATE_270 = 3 ); NV_ROTATE = _NV_ROTATE; // Color formats _NV_FORMAT = ( NV_FORMAT_UNKNOWN = 0, // unknown. Driver will choose one as following value. NV_FORMAT_P8 = 41, // for 8bpp mode NV_FORMAT_R5G6B5 = 23, // for 16bpp mode NV_FORMAT_A8R8G8B8 = 21, // for 32bpp mode NV_FORMAT_A16B16G16R16F = 113 // for 64bpp(floating point) mode. ); NV_FORMAT = _NV_FORMAT; // TV standard /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_SetView // // DESCRIPTION: This API lets caller to modify target display arrangement for selected source display handle in any of the nview modes. // It also allows to modify or extend the source display in dualview mode. // // SUPPORTED OS: Windows Vista and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. NVAPI_DEFAULT_HANDLE not allowed, it has to be a handle enumerated with NvAPI_EnumNVidiaDisplayHandle(). // pTargetInfo(IN) - Pointer to array of NV_VIEW_TARGET_INFO, specifying device properties in this view. // The first device entry in the array is the physical primary. // The device entry with the lowest source id is the desktop primary. // targetCount(IN) - Count of target devices specified in pTargetInfo. // targetView(IN) - Target view selected from NV_TARGET_VIEW_MODE. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. // /////////////////////////////////////////////////////////////////////////////// type TNvViewTargetInfoFlags = (bPrimary, bInterlaced, bGDIPrimary); NV_VIEW_TARGET_INFO = record version: NvU32; // (IN) structure version count: NvU32; // (IN) target count target: array[0..NVAPI_MAX_VIEW_TARGET - 1] of record deviceMask: NvU32; // (IN/OUT) device mask sourceId: NvU32; // (IN/OUT) source id Flags: TNvViewTargetInfoFlags; {bPrimary: NvU32 :1; // (OUT) Indicates if this is the GPU's primary view target. This is not the desktop GDI primary. // NvAPI_SetView automatically selects the first target in NV_VIEW_TARGET_INFO index 0 as the GPU's primary view. bInterlaced: NvU32 :1;// (IN/OUT) Indicates if the timing being used on this monitor is interlaced bGDIPrimary: NvU32 :1;// (IN/OUT) Indicates if this is the desktop GDI primary.} end; end; TNvViewTargetInfo = NV_VIEW_TARGET_INFO; PNvViewTargetInfo = ^TNvViewTargetInfo; const //#define NV_VIEW_TARGET_INFO_VER MAKE_NVAPI_VERSION(NV_VIEW_TARGET_INFO,2) NV_VIEW_TARGET_INFO_VER = NvU32(SizeOf(NV_VIEW_TARGET_INFO) or (2 shl 16)); var NvAPI_SetView: function(hNvDisplay: NvDisplayHandle; pTargetInfo: PNvViewTargetInfo; targetView: TNvTargetViewMode): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_GetView // // DESCRIPTION: This API lets caller retrieve the target display arrangement for selected source display handle. // // SUPPORTED OS: Windows Vista and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. NVAPI_DEFAULT_HANDLE not allowed, it has to be a handle enumerated with NvAPI_EnumNVidiaDisplayHandle(). // pTargetInfo(OUT) - User allocated storage to retrieve an array of NV_VIEW_TARGET_INFO. Can be NULL to retrieve the targetCount. // targetMaskCount(IN/OUT) - Count of target device mask specified in pTargetMask. // targetView(OUT) - Target view selected from NV_TARGET_VIEW_MODE. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetView: function(hNvDisplay: NvDisplayHandle; pTargets: PNvViewTargetInfo; var pTargetMaskCount: NvU32; var pTargetView: TNvTargetViewMode): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_SetViewEx // // DESCRIPTION: This API lets caller to modify the display arrangement for selected source display handle in any of the nview modes. // It also allows to modify or extend the source display in dualview mode. // // SUPPORTED OS: Windows Vista and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. NVAPI_DEFAULT_HANDLE not allowed, it has to be a handle enumerated with NvAPI_EnumNVidiaDisplayHandle(). // pPathInfo(IN) - Pointer to array of NV_VIEW_PATH_INFO, specifying device properties in this view. // The first device entry in the array is the physical primary. // The device entry with the lowest source id is the desktop primary. // pathCount(IN) - Count of paths specified in pPathInfo. // displayView(IN)- Display view selected from NV_TARGET_VIEW_MODE. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. // /////////////////////////////////////////////////////////////////////////////// const NVAPI_MAX_DISPLAY_PATH = NVAPI_MAX_VIEW_TARGET; type NV_DISPLAY_PATH_INFO = record version: NvU32; // (IN) structure version count: NvU32; // (IN) path count path: array[0..NVAPI_MAX_DISPLAY_PATH - 1] of record deviceMask: NvU32; // (IN) device mask sourceId: NvU32; // (IN) source id bPrimary: LongBool; {bPrimary: NvU32; :1; // (IN/OUT) Indicates if this is the GPU's primary view target. This is not the desktop GDI primary. // NvAPI_SetViewEx automatically selects the first target in NV_DISPLAY_PATH_INFO index 0 as the GPU's primary view.} connector: NV_GPU_CONNECTOR_TYPE; // (IN) Specify connector type. For TV only. // source mode information width: NvU32; // (IN) width of the mode height: NvU32; // (IN) height of the mode depth: NvU32; // (IN) depth of the mode colorFormat: NV_FORMAT; // color format if needs to specify. Not used now. //rotation setting of the mode rotation: NV_ROTATE; // (IN) rotation setting. // the scaling mode scaling: NV_SCALING; // (IN) scaling setting // Timing info refreshRate: NvU32; // (IN) refresh rate of the mode interlaced: LongBool; {interlaced: NvU32 :1; // (IN) interlaced mode flag} tvFormat: NV_DISPLAY_TV_FORMAT; // (IN) to choose the last TV format set this value to NV_DISPLAY_TV_FORMAT_NONE // Windows desktop position posx: NvU32; // (IN/OUT) x offset of this display on the Windows desktop posy: NvU32; // (IN/OUT) y offset of this display on the Windows desktop bGDIPrimary: LongBool; {bGDIPrimary: NvU32; :1; // (IN/OUT) Indicates if this is the desktop GDI primary.} end; end; TNvDisplayPathInfo = NV_DISPLAY_PATH_INFO; PNvDisplayPathInfo = ^TNvDisplayPathInfo; const //#define NV_DISPLAY_PATH_INFO_VER MAKE_NVAPI_VERSION(NV_DISPLAY_PATH_INFO,2) NV_DISPLAY_PATH_INFO_VER = NvU32(SizeOf(NV_DISPLAY_PATH_INFO) or (2 shl 16)); var NvAPI_SetViewEx: function(hNvDisplay: NvDisplayHandle; pPathInfo: PNvDisplayPathInfo; displayView: TNvTargetViewMode): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_GetViewEx // // DESCRIPTION: This API lets caller retrieve the target display arrangement for selected source display handle. // // SUPPORTED OS: Windows Vista and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. NVAPI_DEFAULT_HANDLE not allowed, it has to be a handle enumerated with NvAPI_EnumNVidiaDisplayHandle(). // pPathInfo(IN/OUT) - count field should be set to NVAPI_MAX_DISPLAY_PATH. Can be NULL to retrieve just the pathCount. // pPathCount(IN/OUT) - Number of elements in array pPathInfo->path. // pTargetViewMode(OUT)- Display view selected from NV_TARGET_VIEW_MODE. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT - Invalid input parameter. // NVAPI_EXPECTED_DISPLAY_HANDLE - hNvDisplay is not a valid display handle. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetViewEx: function(hNvDisplay: NvDisplayHandle; pPathInfo: PNvDisplayPathInfo; var pPathCount: NvU32; var pTargetViewMode: TNvTargetViewMode): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // FUNCTION NAME: NvAPI_GetSupportedViews // // DESCRIPTION: This API lets caller enumerate all the supported NVIDIA display views - nview and dualview modes. // // SUPPORTED OS: Windows XP and higher // // PARAMETERS: hNvDisplay(IN) - NVIDIA Display selection. It can be NVAPI_DEFAULT_HANDLE or a handle enumerated from NvAPI_EnumNVidiaDisplayHandle(). // pTargetViews(OUT) - Array of supported views. Can be NULL to retrieve the pViewCount first. // pViewCount(IN/OUT) - Count of supported views. // // RETURN STATUS: // NVAPI_OK - completed request // NVAPI_ERROR - miscellaneous error occurred // NVAPI_INVALID_ARGUMENT: Invalid input parameter. // /////////////////////////////////////////////////////////////////////////////// var NvAPI_GetSupportedViews: function(hNvDisplay: NvDisplayHandle; pTargetViews: PNvTargetViewMode; var pViewCount: NvU32): NvAPI_Status; cdecl; type NV_STEREO_REGISTRY_PROFILE_TYPE = Integer; const NVAPI_STEREO_DEFAULT_REGISTRY_PROFILE = 0; // Default registry configuration profile. NVAPI_STEREO_DX9_REGISTRY_PROFILE = 1; // Separate registry configuration profile for DX9 executable. NVAPI_STEREO_DX10_REGISTRY_PROFILE = 2; // Separate registry configuration profile for DX10 executable. /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_CreateConfigurationProfileRegistryKey // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Creates new configuration registry key for current application. // // If there was no configuration profile prior to the function call, // tries to create brand new configuration profile registry key // for a given application and fill it with default values. // If an application already had a configuration profile registry key, does nothing. // Name of the key is automatically determined as the name of the executable that calls this function. // Because of this, application executable should have distinct and unique name. // If the application is using only one version of DirectX, than the default profile type will be appropriate. // If the application is using more than one version of DirectX from same executable, // it should use appropriate profile type for each configuration profile. // // PARAMETERS: registryProfileType(IN) - Type of profile that application wants to create. // Should be one of the symbolic constants defined in NV_STEREO_REGISTRY_PROFILE_TYPE. // Any other value will cause function to do nothing and return NV_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED. // // HOW TO USE: When there is a need for an application to have default stereo parameter values, // use this function to create a key where they will be stored. // // RETURN STATUS: // NVAPI_OK - Key exists in the registry. // NVAPI_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED - This profile type is not supported. // NVAPI_STEREO_REGISTRY_ACCESS_FAILED - Access to registry failed. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_CreateConfigurationProfileRegistryKey : function (registryProfileType: NV_STEREO_REGISTRY_PROFILE_TYPE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_DeleteConfigurationProfileRegistryKey // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Removes configuration registry key for current application. // // If an application already had a configuration profile prior to the function call, // this function will try to remove application's configuration profile registry key from the registry. // If there was no configuration profile registry key prior to the function call, // the function will do nothing and will not report an error. // // PARAMETERS: registryProfileType(IN) - Type of profile that application wants to delete. // Should be one of the symbolic constants defined in NV_STEREO_REGISTRY_PROFILE_TYPE. // Any other value will cause function to do nothing and return NV_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED. // // RETURN STATUS: // NVAPI_OK - Key does not exist in the registry any more. // NVAPI_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED - This profile type is not supported. // NVAPI_STEREO_REGISTRY_ACCESS_FAILED - Access to registry failed. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_DeleteConfigurationProfileRegistryKey : function (registryProfileType: NV_STEREO_REGISTRY_PROFILE_TYPE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_SetConfigurationProfileValue // // PARAMETERS: registryProfileType(IN) - Type of profile that application wants to access. // Should be one of the symbolic constants defined in NV_STEREO_REGISTRY_PROFILE_TYPE. // Any other value will cause function to do nothing and return NV_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED. // valueRegistryID(IN) - ID of the value that is being set. // Should be one of the symbolic constants defined in NV_STEREO_REGISTRY_PROFILE_TYPE. // Any other value will cause function to do nothing and return NVAPI_STEREO_REGISTRY_VALUE_NOT_SUPPORTED. // pValue(IN) - Address of the value that is being set. // Should be either address of a DWORD or of a float, // dependent on the type of the stereo parameter whose value is being set. // The API will then cast that address to DWORD* // and write whatever is in those 4 bytes as a DWORD to the registry. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Sets given parameter value under the application's registry key. // // If the value does not exist under the application's registry key, // the value will be created under the key. // // RETURN STATUS: // NVAPI_OK - Value is written to registry. // NVAPI_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED - This profile type is not supported. // NVAPI_STEREO_REGISTRY_VALUE_NOT_SUPPORTED - This value is not supported. // NVAPI_STEREO_REGISTRY_ACCESS_FAILED - Access to registry failed. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// type NV_STEREO_REGISTRY_ID = Integer; const NVAPI_CONVERGENCE_ID = 0; // Symbolic constant for convergence registry ID. NVAPI_FRUSTUM_ADJUST_MODE_ID = 1; // Symbolic constant for frustum adjust mode registry ID. var NvAPI_Stereo_SetConfigurationProfileValue : function ( registryProfileType: NV_STEREO_REGISTRY_PROFILE_TYPE; valueRegistryID: NV_STEREO_REGISTRY_ID; Value : Pointer): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_DeleteConfigurationProfileValue // // PARAMETERS: registryProfileType(IN) - Type of profile that application wants to access. // Should be one of the symbolic constants defined in NV_STEREO_REGISTRY_PROFILE_TYPE. // Any other value will cause function to do nothing and return NV_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED. // valueRegistryID(IN) - ID of the value that is being deleted. // Should be one of the symbolic constants defined in NV_STEREO_REGISTRY_PROFILE_TYPE. // Any other value will cause function to do nothing and return NVAPI_STEREO_REGISTRY_VALUE_NOT_SUPPORTED. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Removes given value from application's configuration profile registry key. // // If there is no such value, the function will do nothing and will not report an error. // // RETURN STATUS: // NVAPI_OK - Value does not exist in registry any more. // NVAPI_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED - This profile type is not supported. // NVAPI_STEREO_REGISTRY_VALUE_NOT_SUPPORTED - This value is not supported. // NVAPI_STEREO_REGISTRY_ACCESS_FAILED - Access to registry failed. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_DeleteConfigurationProfileValue : function ( registryProfileType : NV_STEREO_REGISTRY_PROFILE_TYPE; valueRegistryID : NV_STEREO_REGISTRY_ID): NvAPI_Status; cdecl; {///////////////////////////////////////////////////////////////////////////// } { } { FUNCTION NAME: NvAPI_Stereo_Enable } { } { SUPPORTED OS: Windows Vista and higher } { } { DESCRIPTION: Enables stereo mode in the registry. } { Call to this function affects entire system. } { Calls to functions that require stereo enabled with stereo disabled will have no effect, } { and will return apropriate error code. } { } { RETURN STATUS: } { NVAPI_OK - Stereo is now enabled. } { NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. } { NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. } { NVAPI_ERROR - Something is wrong (generic error). } { } {///////////////////////////////////////////////////////////////////////////// } var NvAPI_Stereo_Enable : function : NVapi_status; cdecl; {///////////////////////////////////////////////////////////////////////////// } { } { FUNCTION NAME: NvAPI_Stereo_Disable } { } { SUPPORTED OS: Windows Vista and higher } { } { DESCRIPTION: Disables stereo mode in the registry. } { Call to this function affects entire system. } { Calls to functions that require stereo enabled with stereo disabled will have no effect, } { and will return apropriate error code. } { } { RETURN STATUS: } { NVAPI_OK - Stereo is now disabled. } { NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. } { NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. } { NVAPI_ERROR - Something is wrong (generic error). } { } {///////////////////////////////////////////////////////////////////////////// } var NvAPI_Stereo_Disable : function : NVapi_status; cdecl; {///////////////////////////////////////////////////////////////////////////// } { } { FUNCTION NAME: NvAPI_Stereo_IsEnabled } { } { PARAMETERS: pIsStereoEnabled(OUT) - Address where result of the inquiry will be placed. } { } { SUPPORTED OS: Windows Vista and higher } { } { DESCRIPTION: Checks if stereo mode is enabled in the registry. } { } { RETURN STATUS: } { NVAPI_OK - Check was sucessfully completed and result reflects current state of stereo availability. } { NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. } { NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. } { NVAPI_ERROR - Something is wrong (generic error). } { } {///////////////////////////////////////////////////////////////////////////// } var NvAPI_Stereo_IsEnabled : function (var IsStereoEnabled: NvU8): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_CreateHandleFromIUnknown // // PARAMETERS: pDevice(IN) - Pointer to IUnknown interface that IDirect3DDevice9* in DX9, ID3D10Device*. // pStereoHandle(OUT) - Pointer to newly created stereo handle. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Creates stereo handle, that is used in subsequent calls related to given device interface. // This must be called before any other NvAPI_Stereo_ function for that handle. // Multiple devices can be used at one time using multiple calls to this function (one per each device). // // HOW TO USE: After the Direct3D device is created, create stereo handle. // On call success: // Use all other NvAPI_Stereo_ functions that have stereo handle as first parameter. // After the device interface correspondent to the stereo handle is destroyed, // application should call NvAPI_DestroyStereoHandle for that stereo handle. // // RETURN STATUS: // NVAPI_OK - Stereo handle is created for given device interface. // NVAPI_INVALID_ARGUMENT - Provided device interface is invalid. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// type StereoHandle = Pointer; var NvAPI_Stereo_CreateHandleFromIUnknown : function (pDevice: IUnknown; var Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_DestroyHandle // // PARAMETERS: stereoHandle(IN) - Stereo handle that is to be destroyed. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Destroys stereo handle created with one of NvAPI_Stereo_CreateHandleFrom functions. // This should be called after device corresponding to the handle has been destroyed. // // RETURN STATUS: // NVAPI_OK - Stereo handle is destroyed. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_DestroyHandle : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_Activate // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Activates stereo for device interface correspondent to given stereo handle. // Activating stereo will be possible only if stereo was enabled previously in the registry. // Calls to all functions that require stereo activated // with stereo deactivated will have no effect and will return appropriate error code. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Stereo is turned on. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_Activate : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_Deactivate // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Deactivates stereo for given device interface. // Calls to all functions that require stereo activated // with stereo deactivated will have no effect and will return appropriate error code. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Stereo is turned off. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_Deactivate : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_IsActivated // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // pIsStereoOn(IN) - Address where result of the inquiry will be placed. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Checks if stereo is activated for given device interface. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Check was sucessfully completed and result reflects current state of stereo (on/off). // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_IsActivated : function (Handle: StereoHandle; var IsStereoOn: NvU8): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_GetSeparation // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // pSeparationPercentage(OUT) - Address of @c float type variable to store current separation percentage in. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Gets current separation value (in percents). // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Retrieval of separation percentage was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_GetSeparation : function (Handle: StereoHandle; var SeparationPercentage: Single): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_SetSeparation // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // newSeparationPercentage(IN) - New value for separation percentage. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Sets separation to given percentage. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Setting of separation percentage was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_STEREO_PARAMETER_OUT_OF_RANGE - Given separation percentage is out of [0..100] range. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_SetSeparation : function (Handle: StereoHandle; newSeparationPercentage: Single): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_DecreaseSeparation // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Decreases separation for given device interface (same like Ctrl+F3 hotkey). // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Decrease of separation percentage was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_DecreaseSeparation : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_IncreaseSeparation // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Increases separation for given device interface (same like Ctrl+F4 hotkey). // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Increase of separation percentage was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_IncreaseSeparation : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_GetConvergence // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // pConvergence(OUT) - Address of @c float type variable to store current convergence value in. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Gets current convergence value. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Retrieval of convergence value was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_GetConvergence : function (Handle: StereoHandle; var pConvergence: Single): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_SetConvergence // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // newConvergencePercentage(IN) - New value for convergence. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Sets convergence to given value. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Setting of convergence value was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_SetConvergence : function (Handle: StereoHandle; newConvergencePercentage: Single): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_DecreaseConvergence // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Decreases convergence for given device interface (same like Ctrl+F5 hotkey). // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Decrease of convergence was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_DecreaseConvergence : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_IncreaseConvergence // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Increases convergence for given device interface (same like Ctrl+F5 hotkey). // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Increase of convergence was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_IncreaseConvergence : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_GetFrustumAdjustMode // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // pFrustumAdjustMode(OUT) - Address of the NV_FRUSTUM_ADJUST_MODE type variable to store current frustum value in. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Gets current frustum adjust mode value. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Retrieval of frustum adjust mode was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// type NV_FRUSTUM_ADJUST_MODE = Integer; const NVAPI_NO_FRUSTUM_ADJUST = 0; // Do not adjust frustum. NVAPI_FRUSTUM_STRETCH = 1; // Stretch images in X. NVAPI_FRUSTUM_CLEAR_EDGES = 2; // Clear corresponding edges for each eye. var NvAPI_Stereo_GetFrustumAdjustMode : function (Handle: StereoHandle; var FrustumAdjustMode: NV_FRUSTUM_ADJUST_MODE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_SetFrustumAdjustMode // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // newFrustumAdjustModeValue (IN) - New value for frustum adjust mode. // Should be one of the symbolic constants defined in NV_FRUSTUM_ADJUST_MODE. // Any other value will cause function to do nothing and return NVAPI_STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Sets current frustum adjust mode value. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Retrieval of frustum adjust mode was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED - Given frustum adjust mode is not supported. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_SetFrustumAdjustMode : function (Handle: StereoHandle; newFrustumAdjustModeValue: NV_FRUSTUM_ADJUST_MODE): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_CaptureJpegImage // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // quality(IN) - Quality of the JPEG image to be captured. Integer value betweeen 0 and 100. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Captures current stereo image in JPEG stereo format with given quality. // Only the last capture call per flip will be effective. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Image captured. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_STEREO_PARAMETER_OUT_OF_RANGE - Given quality is out of [0..100] range. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_CaptureJpegImage : function (Handle: StereoHandle; quality: NvU32): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_CapturePngImage // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Captures current stereo image in PNG stereo format. // Only the last capture call per flip will be effective. // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate NvAPI_Stereo_CreateHandleFrom function. // // RETURN STATUS: // NVAPI_OK - Image captured. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_CapturePngImage : function (Handle: StereoHandle): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_ReverseStereoBlitControl // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // TurnOn(IN) != 0 - turns on, // == 0 - turns off // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Turns on/off reverse stereo blit // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate // NvAPI_Stereo_CreateHandleFrom function. // After reversed stereo blit control turned on blit from stereo surface will // produce right eye image in the left side of the destination surface and left // eye image in the right side of the destination surface // Conditions: // 1. DstWidth == 2*SrcWidth // 2. DstHeight == SrcHeight // 3. Src surface is actually stereo surface. // 4. SrcRect must be {0,0,SrcWidth,SrcHeight} // 5. DstRect must be {0,0,DstWidth,DstHeight} // In DX9 Dst surface has to be created as render target and StretchRect has to be used. // // RETURN STATUS: // NVAPI_OK - Retrieval of frustum adjust mode was successfull. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_ReverseStereoBlitControl : function (Handle: StereoHandle; TurnOn: NvU8): NvAPI_Status; cdecl; /////////////////////////////////////////////////////////////////////////////// // // FUNCTION NAME: NvAPI_Stereo_SetNotificationMessage // // PARAMETERS: stereoHandle(IN) - Stereo handle correspondent to device interface. // hWnd(IN) - Window HWND that will be notified when user changed stereo driver state. // Actual HWND must be cast to an NvU64. // messageID(IN) - MessageID of the message that will be posted to hWnd // // SUPPORTED OS: Windows Vista and higher // // DESCRIPTION: Setup notification message that stereo driver will use to notify application // when user changes stereo driver state. // Call this API with NULL hWnd to prohibit notification. // // // HOW TO USE: After the stereo handle for device interface is created via successfull call to appropriate // NvAPI_Stereo_CreateHandleFrom function. // // When user changes stereo state Activated or Deactivated, separation or conversion // stereo driver will post defined message with the folloing parameters // // wParam == MAKEWPARAM(l, h) where l == 0 if stereo is deactivated // 1 if stereo is deactivated // h - is current separation. // Actual separation is float(h*100.f/0xFFFF); // lParam is current conversion. // Actual conversion is *(float*)&lParam // // RETURN STATUS: // NVAPI_OK - Notification set. // NVAPI_STEREO_INVALID_DEVICE_INTERFACE - Device interface is not valid. Create again, then attach again. // NVAPI_API_NOT_INTIALIZED - NVAPI not initialized. // NVAPI_STEREO_NOT_INITIALIZED - Stereo part of NVAPI not initialized. // NVAPI_ERROR - Something is wrong (generic error). // /////////////////////////////////////////////////////////////////////////////// var NvAPI_Stereo_SetNotificationMessage : function (Handle: StereoHandle; hWnd: NvU64; messageID : NvU64): NvAPI_Status; cdecl; implementation { Macros } function GetNvAPIVersion(Ver: NvU32): NvU32; begin Result := Ver shr 16; end; function GetNvAPISize(Ver: NvU32): NvU32; begin Result := Ver and $FFFF; end; var _NvAPI_SYS_GetChipSetInfo: function(var pChipSetInfo: TNvChipsetInfo): NvAPI_Status; cdecl; function NvAPI_SYS_GetChipSetInfo(var pChipSetInfo: TNvChipsetInfo): NvAPI_Status; begin Result := _NvAPI_SYS_GetChipSetInfo(pChipSetInfo); end; function NvAPI_SYS_GetChipSetInfo(var pChipSetInfo: TNvChipsetInfoV2): NvAPI_Status; begin Result := _NvAPI_SYS_GetChipSetInfo(TNvChipsetInfo(Pointer(@pChipSetInfo)^)); end; function NvAPI_SYS_GetChipSetInfo(var pChipSetInfo: TNvChipsetInfoV1): NvAPI_Status; begin Result := _NvAPI_SYS_GetChipSetInfo(TNvChipsetInfo(Pointer(@pChipSetInfo)^)); end; { Initialization } var Initialized: Boolean = False; type PNvAPIFuncRec = ^TNvAPIFuncRec; TNvAPIFuncRec = record ID: Cardinal; Func: Pointer; end; const NvAPIFunctions: array[0..89] of TNvAPIFuncRec = ( (ID: $6C2D048C; Func: @@NvAPI_GetErrorMessage), (ID: $01053FA5; Func: @@NvAPI_GetInterfaceVersionString), (ID: $F951A4D1; Func: @@NvAPI_GetDisplayDriverVersion), (ID: $9ABDD40D; Func: @@NvAPI_EnumNvidiaDisplayHandle), (ID: $20DE9260; Func: @@NvAPI_EnumNvidiaUnAttachedDisplayHandle), (ID: $35C29134; Func: @@NvAPI_GetAssociatedNvidiaDisplayHandle), (ID: $E5AC921F; Func: @@NvAPI_EnumPhysicalGPUs), (ID: $48B3EA59; Func: @@NvAPI_EnumLogicalGPUs), (ID: $34EF9506; Func: @@NvAPI_GetPhysicalGPUsFromDisplay), (ID: $5018ED61; Func: @@NvAPI_GetPhysicalGPUFromUnAttachedDisplay), (ID: $EE1370CF; Func: @@NvAPI_GetLogicalGPUFromDisplay), (ID: $ADD604D1; Func: @@NvAPI_GetLogicalGPUFromPhysicalGPU), (ID: $AEA3FA32; Func: @@NvAPI_GetPhysicalGPUsFromLogicalGPU), (ID: $22A78B05; Func: @@NvAPI_GetAssociatedNvidiaDisplayName), (ID: $4888D790; Func: @@NvAPI_GetUnAttachedAssociatedDisplayName), (ID: $63F9799E; Func: @@NvAPI_CreateDisplayFromUnAttachedDisplay), (ID: $2863148D; Func: @@NvAPI_EnableHWCursor), (ID: $AB163097; Func: @@NvAPI_DisableHWCursor), (ID: $67B5DB55; Func: @@NvAPI_GetVBlankCounter), (ID: $3092AC32; Func: @@NvAPI_SetRefreshRateOverride), (ID: $D995937E; Func: @@NvAPI_GetAssociatedDisplayOutputId), (ID: $C64FF367; Func: @@NvAPI_GetDisplayPortInfo), (ID: $FA13E65A; Func: @@NvAPI_SetDisplayPort), (ID: $6AE16EC3; Func: @@NvAPI_GetHDMISupportInfo), (ID: $7D554F8E; Func: @@NvAPI_GPU_GetAllOutputs), (ID: $1730BFC9; Func: @@NvAPI_GPU_GetConnectedOutputs), (ID: $0680DE09; Func: @@NvAPI_GPU_GetConnectedSLIOutputs), (ID: $CF8CAF39; Func: @@NvAPI_GPU_GetConnectedOutputsWithLidState), (ID: $96043CC7; Func: @@NvAPI_GPU_GetConnectedSLIOutputsWithLidState), (ID: $BAAABFCC; Func: @@NvAPI_GPU_GetSystemType), (ID: $E3E89B6F; Func: @@NvAPI_GPU_GetActiveOutputs), (ID: $37D32E69; Func: @@NvAPI_GPU_GetEDID), (ID: $40A505E4; Func: @@NvAPI_GPU_GetOutputType), (ID: $34C9C2D4; Func: @@NvAPI_GPU_ValidateOutputCombination), (ID: $CEEE8E9F; Func: @@NvAPI_GPU_GetFullName), (ID: $2DDFB66E; Func: @@NvAPI_GPU_GetPCIIdentifiers), (ID: $C33BAEB1; Func: @@NvAPI_GPU_GetGPUType), (ID: $1BB18724; Func: @@NvAPI_GPU_GetBusType), (ID: $1BE0B8E5; Func: @@NvAPI_GPU_GetBusId), (ID: $2A0A350F; Func: @@NvAPI_GPU_GetBusSlotId), (ID: $E4715417; Func: @@NvAPI_GPU_GetIRQ), (ID: $ACC3DA0A; Func: @@NvAPI_GPU_GetVbiosRevision), (ID: $2D43FB31; Func: @@NvAPI_GPU_GetVbiosOEMRevision), (ID: $A561FD7D; Func: @@NvAPI_GPU_GetVbiosVersionString), (ID: $6E042794; Func: @@NvAPI_GPU_GetAGPAperture), (ID: $C74925A0; Func: @@NvAPI_GPU_GetCurrentAGPRate), (ID: $D048C3B1; Func: @@NvAPI_GPU_GetCurrentPCIEDownstreamWidth), (ID: $46FBEB03; Func: @@NvAPI_GPU_GetPhysicalFrameBufferSize), (ID: $5A04B644; Func: @@NvAPI_GPU_GetVirtualFrameBufferSize), (ID: $E3640A56; Func: @@NvAPI_GPU_GetThermalSettings), (ID: $2FDE12C5; Func: @@NvAPI_I2CRead), (ID: $E812EB07; Func: @@NvAPI_I2CWrite) , (ID: $53DABBCA; Func: @@_NvAPI_SYS_GetChipSetInfo), (ID: $CDA14D8A; Func: @@NvAPI_SYS_GetLidAndDockInfo), (ID: $3805EF7A; Func: @@NvAPI_OGL_ExpertModeSet), (ID: $22ED9516; Func: @@NvAPI_OGL_ExpertModeGet), (ID: $B47A657E; Func: @@NvAPI_OGL_ExpertModeDefaultsSet), (ID: $AE921F12; Func: @@NvAPI_OGL_ExpertModeDefaultsGet), (ID: $0957D7B6; Func: @@NvAPI_SetView), (ID: $D6B99D89; Func: @@NvAPI_GetView), (ID: $06B89E68; Func: @@NvAPI_SetViewEx), (ID: $DBBC0AF4; Func: @@NvAPI_GetViewEx), (ID: $66FB7FC0; Func: @@NvAPI_GetSupportedViews), (ID: $BE7692EC; Func: @@NvAPI_Stereo_CreateConfigurationProfileRegistryKey), //76 NvAPI_Stereo_CreateConfigurationProfileRegistryKey (ID: $F117B834; Func: @@NvAPI_Stereo_DeleteConfigurationProfileRegistryKey), //77 NvAPI_Stereo_DeleteConfigurationProfileRegistryKey (ID: $24409F48; Func: @@NvAPI_Stereo_SetConfigurationProfileValue), //78 NvAPI_Stereo_SetConfigurationProfileValue (ID: $49BCEECF; Func: @@NvAPI_Stereo_DeleteConfigurationProfileValue), //79 NvAPI_Stereo_DeleteConfigurationProfileValue (ID: $239C4545; Func: @@NvAPI_Stereo_Enable), //80 NvAPI_Stereo_Enable (ID: $2EC50C2B; Func: @@NvAPI_Stereo_Disable), //81 NvAPI_Stereo_Disable (ID: $348FF8E1; Func: @@NvAPI_Stereo_IsEnabled), //82 NvAPI_Stereo_IsEnabled (ID: $AC7E37F4; Func: @@NvAPI_Stereo_CreateHandleFromIUnknown), //83 NvAPI_Stereo_CreateHandleFromIUnknown (ID: $3A153134; Func: @@NvAPI_Stereo_DestroyHandle), //84 NvAPI_Stereo_DestroyHandle (ID: $F6A1AD68; Func: @@NvAPI_Stereo_Activate), //85 NvAPI_Stereo_Activate (ID: $2D68DE96; Func: @@NvAPI_Stereo_Deactivate), //86 NvAPI_Stereo_Deactivate (ID: $1FB0BC30; Func: @@NvAPI_Stereo_IsActivated), //87 NvAPI_Stereo_IsActivated (ID: $451F2134; Func: @@NvAPI_Stereo_GetSeparation), //88 NvAPI_Stereo_GetSeparation (ID: $5C069FA3; Func: @@NvAPI_Stereo_SetSeparation), //89 NvAPI_Stereo_SetSeparation (ID: $DA044458; Func: @@NvAPI_Stereo_DecreaseSeparation), //90 NvAPI_Stereo_DecreaseSeparation (ID: $C9A8ECEC; Func: @@NvAPI_Stereo_IncreaseSeparation), //91 NvAPI_Stereo_IncreaseSeparation (ID: $4AB00934; Func: @@NvAPI_Stereo_GetConvergence), //92 NvAPI_Stereo_GetConvergence (ID: $3DD6B54B; Func: @@NvAPI_Stereo_SetConvergence), //93 NvAPI_Stereo_SetConvergence (ID: $4C87E317; Func: @@NvAPI_Stereo_DecreaseConvergence), //94 NvAPI_Stereo_DecreaseConvergence (ID: $A17DAABE; Func: @@NvAPI_Stereo_IncreaseConvergence), //95 NvAPI_Stereo_IncreaseConvergence (ID: $E6839B43; Func: @@NvAPI_Stereo_GetFrustumAdjustMode), //96 NvAPI_Stereo_GetFrustumAdjustMode (ID: $7BE27FA2; Func: @@NvAPI_Stereo_SetFrustumAdjustMode), //97 NvAPI_Stereo_SetFrustumAdjustMode (ID: $932CB140; Func: @@NvAPI_Stereo_CaptureJpegImage), //98 NvAPI_Stereo_CaptureJpegImage (ID: $8B7E99B5; Func: @@NvAPI_Stereo_CapturePngImage), //99 NvAPI_Stereo_CapturePngImage (ID: $3CD58F89; Func: @@NvAPI_Stereo_ReverseStereoBlitControl), //100 NvAPI_Stereo_ReverseStereoBlitControl (ID: $6B9B409E; Func: @@NvAPI_Stereo_SetNotificationMessage), //101 NvAPI_Stereo_SetNotificationMessage (ID: 0; Func: nil) // stop signal ); function NotImplemented: NvAPI_Status; cdecl; begin Result := NVAPI_NO_IMPLEMENTATION; end; function NvAPI_Initialize; const NvAPILib = 'nvapi.dll'; NvAPI_ID_INIT = $0150E828; var Lib: THandle; nvapi_QueryInterface: function(ID: LongWord): Pointer; cdecl; InitFunc: function: Integer; stdcall; P: Pointer; Rec: PNvAPIFuncRec; begin if Initialized then begin Result := NVAPI_OK; Exit; end; Lib := LoadLibrary(NvAPILib); if Lib <> 0 then begin nvapi_QueryInterface := GetProcAddress(Lib, 'nvapi_QueryInterface'); Result := NVAPI_ERROR; if Assigned(nvapi_QueryInterface) then begin InitFunc := nvapi_QueryInterface(NvAPI_ID_INIT); if Assigned(InitFunc) then begin if InitFunc() >= 0 then begin { Initialize all function pointers } Rec := @NvAPIFunctions; while Rec.ID <> 0 do begin PPointer(Rec.Func)^ := @NotImplemented; P := nvapi_QueryInterface(Rec.ID); if P <> nil then PPointer(Rec.Func)^ := P; Inc(Rec); end; Result := NVAPI_OK; end; end; end; end else begin Result := NVAPI_LIBRARY_NOT_FOUND; { Initialize all function to not implemented } Rec := @NvAPIFunctions; while Rec.ID <> 0 do begin PPointer(Rec.Func)^ := @NotImplemented; Inc(Rec); end; end; Initialized := Result = NVAPI_OK; end; end.