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#pragma once
// openvr_driver.h
//========= Copyright Valve Corporation ============//
// Dynamically generated file. Do not modify this file directly.
#ifndef _OPENVR_DRIVER_API
#define _OPENVR_DRIVER_API
#include <stdint.h>
// vrtypes.h
#ifndef _INCLUDE_VRTYPES_H
#define _INCLUDE_VRTYPES_H
namespace vr
{
#if defined(__linux__) || defined(__APPLE__)
// The 32-bit version of gcc has the alignment requirement for uint64 and double set to
// 4 meaning that even with #pragma pack(8) these types will only be four-byte aligned.
// The 64-bit version of gcc has the alignment requirement for these types set to
// 8 meaning that unless we use #pragma pack(4) our structures will get bigger.
// The 64-bit structure packing has to match the 32-bit structure packing for each platform.
#pragma pack( push, 4 )
#else
#pragma pack( push, 8 )
#endif
typedef void* glSharedTextureHandle_t;
typedef int32_t glInt_t;
typedef uint32_t glUInt_t;
// right-handed system
// +y is up
// +x is to the right
// -z is going away from you
// Distance unit is meters
struct HmdMatrix34_t
{
float m[3][4];
};
struct HmdMatrix44_t
{
float m[4][4];
};
struct HmdVector3_t
{
float v[3];
};
struct HmdVector4_t
{
float v[4];
};
struct HmdVector3d_t
{
double v[3];
};
struct HmdVector2_t
{
float v[2];
};
struct HmdQuaternion_t
{
double w, x, y, z;
};
struct HmdColor_t
{
float r, g, b, a;
};
struct HmdQuad_t
{
HmdVector3_t vCorners[ 4 ];
};
struct HmdRect2_t
{
HmdVector2_t vTopLeft;
HmdVector2_t vBottomRight;
};
/** Used to return the post-distortion UVs for each color channel.
* UVs range from 0 to 1 with 0,0 in the upper left corner of the
* source render target. The 0,0 to 1,1 range covers a single eye. */
struct DistortionCoordinates_t
{
float rfRed[2];
float rfGreen[2];
float rfBlue[2];
};
enum EVREye
{
Eye_Left = 0,
Eye_Right = 1
};
enum EGraphicsAPIConvention
{
API_DirectX = 0, // Normalized Z goes from 0 at the viewer to 1 at the far clip plane
API_OpenGL = 1, // Normalized Z goes from 1 at the viewer to -1 at the far clip plane
};
enum EColorSpace
{
ColorSpace_Auto = 0, // Assumes 'gamma' for 8-bit per component formats, otherwise 'linear'. This mirrors the DXGI formats which have _SRGB variants.
ColorSpace_Gamma = 1, // Texture data can be displayed directly on the display without any conversion (a.k.a. display native format).
ColorSpace_Linear = 2, // Same as gamma but has been converted to a linear representation using DXGI's sRGB conversion algorithm.
};
struct Texture_t
{
void* handle; // Native d3d texture pointer or GL texture id.
EGraphicsAPIConvention eType;
EColorSpace eColorSpace;
};
enum ETrackingResult
{
TrackingResult_Uninitialized = 1,
TrackingResult_Calibrating_InProgress = 100,
TrackingResult_Calibrating_OutOfRange = 101,
TrackingResult_Running_OK = 200,
TrackingResult_Running_OutOfRange = 201,
};
static const uint32_t k_unTrackingStringSize = 32;
static const uint32_t k_unMaxDriverDebugResponseSize = 32768;
/** Used to pass device IDs to API calls */
typedef uint32_t TrackedDeviceIndex_t;
static const uint32_t k_unTrackedDeviceIndex_Hmd = 0;
static const uint32_t k_unMaxTrackedDeviceCount = 16;
static const uint32_t k_unTrackedDeviceIndexInvalid = 0xFFFFFFFF;
/** Describes what kind of object is being tracked at a given ID */
enum ETrackedDeviceClass
{
TrackedDeviceClass_Invalid = 0, // the ID was not valid.
TrackedDeviceClass_HMD = 1, // Head-Mounted Displays
TrackedDeviceClass_Controller = 2, // Tracked controllers
TrackedDeviceClass_TrackingReference = 4, // Camera and base stations that serve as tracking reference points
TrackedDeviceClass_Other = 1000,
};
/** Describes what specific role associated with a tracked device */
enum ETrackedControllerRole
{
TrackedControllerRole_Invalid = 0, // Invalid value for controller type
TrackedControllerRole_LeftHand = 1, // Tracked device associated with the left hand
TrackedControllerRole_RightHand = 2, // Tracked device associated with the right hand
};
/** describes a single pose for a tracked object */
struct TrackedDevicePose_t
{
HmdMatrix34_t mDeviceToAbsoluteTracking;
HmdVector3_t vVelocity; // velocity in tracker space in m/s
HmdVector3_t vAngularVelocity; // angular velocity in radians/s (?)
ETrackingResult eTrackingResult;
bool bPoseIsValid;
// This indicates that there is a device connected for this spot in the pose array.
// It could go from true to false if the user unplugs the device.
bool bDeviceIsConnected;
};
/** Identifies which style of tracking origin the application wants to use
* for the poses it is requesting */
enum ETrackingUniverseOrigin
{
TrackingUniverseSeated = 0, // Poses are provided relative to the seated zero pose
TrackingUniverseStanding = 1, // Poses are provided relative to the safe bounds configured by the user
TrackingUniverseRawAndUncalibrated = 2, // Poses are provided in the coordinate system defined by the driver. You probably don't want this one.
};
/** Each entry in this enum represents a property that can be retrieved about a
* tracked device. Many fields are only valid for one ETrackedDeviceClass. */
enum ETrackedDeviceProperty
{
// general properties that apply to all device classes
Prop_TrackingSystemName_String = 1000,
Prop_ModelNumber_String = 1001,
Prop_SerialNumber_String = 1002,
Prop_RenderModelName_String = 1003,
Prop_WillDriftInYaw_Bool = 1004,
Prop_ManufacturerName_String = 1005,
Prop_TrackingFirmwareVersion_String = 1006,
Prop_HardwareRevision_String = 1007,
Prop_AllWirelessDongleDescriptions_String = 1008,
Prop_ConnectedWirelessDongle_String = 1009,
Prop_DeviceIsWireless_Bool = 1010,
Prop_DeviceIsCharging_Bool = 1011,
Prop_DeviceBatteryPercentage_Float = 1012, // 0 is empty, 1 is full
Prop_StatusDisplayTransform_Matrix34 = 1013,
Prop_Firmware_UpdateAvailable_Bool = 1014,
Prop_Firmware_ManualUpdate_Bool = 1015,
Prop_Firmware_ManualUpdateURL_String = 1016,
Prop_HardwareRevision_Uint64 = 1017,
Prop_FirmwareVersion_Uint64 = 1018,
Prop_FPGAVersion_Uint64 = 1019,
Prop_VRCVersion_Uint64 = 1020,
Prop_RadioVersion_Uint64 = 1021,
Prop_DongleVersion_Uint64 = 1022,
Prop_BlockServerShutdown_Bool = 1023,
Prop_CanUnifyCoordinateSystemWithHmd_Bool = 1024,
Prop_ContainsProximitySensor_Bool = 1025,
Prop_DeviceProvidesBatteryStatus_Bool = 1026,
Prop_DeviceCanPowerOff_Bool = 1027,
Prop_Firmware_ProgrammingTarget_String = 1028,
Prop_DeviceClass_Int32 = 1029,
Prop_HasCamera_Bool = 1030,
// Properties that are unique to TrackedDeviceClass_HMD
Prop_ReportsTimeSinceVSync_Bool = 2000,
Prop_SecondsFromVsyncToPhotons_Float = 2001,
Prop_DisplayFrequency_Float = 2002,
Prop_UserIpdMeters_Float = 2003,
Prop_CurrentUniverseId_Uint64 = 2004,
Prop_PreviousUniverseId_Uint64 = 2005,
Prop_DisplayFirmwareVersion_Uint64 = 2006,
Prop_IsOnDesktop_Bool = 2007,
Prop_DisplayMCType_Int32 = 2008,
Prop_DisplayMCOffset_Float = 2009,
Prop_DisplayMCScale_Float = 2010,
Prop_EdidVendorID_Int32 = 2011,
Prop_DisplayMCImageLeft_String = 2012,
Prop_DisplayMCImageRight_String = 2013,
Prop_DisplayGCBlackClamp_Float = 2014,
Prop_EdidProductID_Int32 = 2015,
Prop_CameraToHeadTransform_Matrix34 = 2016,
Prop_DisplayGCType_Int32 = 2017,
Prop_DisplayGCOffset_Float = 2018,
Prop_DisplayGCScale_Float = 2019,
Prop_DisplayGCPrescale_Float = 2020,
Prop_DisplayGCImage_String = 2021,
Prop_LensCenterLeftU_Float = 2022,
Prop_LensCenterLeftV_Float = 2023,
Prop_LensCenterRightU_Float = 2024,
Prop_LensCenterRightV_Float = 2025,
Prop_UserHeadToEyeDepthMeters_Float = 2026,
Prop_CameraFirmwareVersion_Uint64 = 2027,
Prop_CameraFirmwareDescription_String = 2028,
Prop_DisplayFPGAVersion_Uint64 = 2029,
Prop_DisplayBootloaderVersion_Uint64 = 2030,
Prop_DisplayHardwareVersion_Uint64 = 2031,
Prop_AudioFirmwareVersion_Uint64 = 2032,
Prop_CameraCompatibilityMode_Int32 = 2033,
// Properties that are unique to TrackedDeviceClass_Controller
Prop_AttachedDeviceId_String = 3000,
Prop_SupportedButtons_Uint64 = 3001,
Prop_Axis0Type_Int32 = 3002, // Return value is of type EVRControllerAxisType
Prop_Axis1Type_Int32 = 3003, // Return value is of type EVRControllerAxisType
Prop_Axis2Type_Int32 = 3004, // Return value is of type EVRControllerAxisType
Prop_Axis3Type_Int32 = 3005, // Return value is of type EVRControllerAxisType
Prop_Axis4Type_Int32 = 3006, // Return value is of type EVRControllerAxisType
// Properties that are unique to TrackedDeviceClass_TrackingReference
Prop_FieldOfViewLeftDegrees_Float = 4000,
Prop_FieldOfViewRightDegrees_Float = 4001,
Prop_FieldOfViewTopDegrees_Float = 4002,
Prop_FieldOfViewBottomDegrees_Float = 4003,
Prop_TrackingRangeMinimumMeters_Float = 4004,
Prop_TrackingRangeMaximumMeters_Float = 4005,
Prop_ModeLabel_String = 4006,
// Vendors are free to expose private debug data in this reserved region
Prop_VendorSpecific_Reserved_Start = 10000,
Prop_VendorSpecific_Reserved_End = 10999,
};
/** No string property will ever be longer than this length */
static const uint32_t k_unMaxPropertyStringSize = 32 * 1024;
/** Used to return errors that occur when reading properties. */
enum ETrackedPropertyError
{
TrackedProp_Success = 0,
TrackedProp_WrongDataType = 1,
TrackedProp_WrongDeviceClass = 2,
TrackedProp_BufferTooSmall = 3,
TrackedProp_UnknownProperty = 4,
TrackedProp_InvalidDevice = 5,
TrackedProp_CouldNotContactServer = 6,
TrackedProp_ValueNotProvidedByDevice = 7,
TrackedProp_StringExceedsMaximumLength = 8,
TrackedProp_NotYetAvailable = 9, // The property value isn't known yet, but is expected soon. Call again later.
};
/** Allows the application to control what part of the provided texture will be used in the
* frame buffer. */
struct VRTextureBounds_t
{
float uMin, vMin;
float uMax, vMax;
};
/** Allows the applicaiton to control how scene textures are used by the compositor when calling Submit. */
enum EVRSubmitFlags
{
// Simple render path. App submits rendered left and right eye images with no lens distortion correction applied.
Submit_Default = 0x00,
// App submits final left and right eye images with lens distortion already applied (lens distortion makes the images appear
// barrel distorted with chromatic aberration correction applied). The app would have used the data returned by
// vr::IVRSystem::ComputeDistortion() to apply the correct distortion to the rendered images before calling Submit().
Submit_LensDistortionAlreadyApplied = 0x01,
// If the texture pointer passed in is actually a renderbuffer (e.g. for MSAA in OpenGL) then set this flag.
Submit_GlRenderBuffer = 0x02
};
/** Status of the overall system or tracked objects */
enum EVRState
{
VRState_Undefined = -1,
VRState_Off = 0,
VRState_Searching = 1,
VRState_Searching_Alert = 2,
VRState_Ready = 3,
VRState_Ready_Alert = 4,
VRState_NotReady = 5,
};
/** The types of events that could be posted (and what the parameters mean for each event type) */
enum EVREventType
{
VREvent_None = 0,
VREvent_TrackedDeviceActivated = 100,
VREvent_TrackedDeviceDeactivated = 101,
VREvent_TrackedDeviceUpdated = 102,
VREvent_TrackedDeviceUserInteractionStarted = 103,
VREvent_TrackedDeviceUserInteractionEnded = 104,
VREvent_IpdChanged = 105,
VREvent_EnterStandbyMode = 106,
VREvent_LeaveStandbyMode = 107,
VREvent_TrackedDeviceRoleChanged = 108,
VREvent_ButtonPress = 200, // data is controller
VREvent_ButtonUnpress = 201, // data is controller
VREvent_ButtonTouch = 202, // data is controller
VREvent_ButtonUntouch = 203, // data is controller
VREvent_MouseMove = 300, // data is mouse
VREvent_MouseButtonDown = 301, // data is mouse
VREvent_MouseButtonUp = 302, // data is mouse
VREvent_FocusEnter = 303, // data is overlay
VREvent_FocusLeave = 304, // data is overlay
VREvent_Scroll = 305, // data is mouse
VREvent_TouchPadMove = 306, // data is mouse
VREvent_InputFocusCaptured = 400, // data is process
VREvent_InputFocusReleased = 401, // data is process
VREvent_SceneFocusLost = 402, // data is process
VREvent_SceneFocusGained = 403, // data is process
VREvent_SceneApplicationChanged = 404, // data is process - The App actually drawing the scene changed (usually to or from the compositor)
VREvent_SceneFocusChanged = 405, // data is process - New app got access to draw the scene
VREvent_HideRenderModels = 410, // Sent to the scene application to request hiding render models temporarily
VREvent_ShowRenderModels = 411, // Sent to the scene application to request restoring render model visibility
VREvent_OverlayShown = 500,
VREvent_OverlayHidden = 501,
VREvent_DashboardActivated = 502,
VREvent_DashboardDeactivated = 503,
VREvent_DashboardThumbSelected = 504, // Sent to the overlay manager - data is overlay
VREvent_DashboardRequested = 505, // Sent to the overlay manager - data is overlay
VREvent_ResetDashboard = 506, // Send to the overlay manager
VREvent_RenderToast = 507, // Send to the dashboard to render a toast - data is the notification ID
VREvent_ImageLoaded = 508, // Sent to overlays when a SetOverlayRaw or SetOverlayFromFile call finishes loading
VREvent_ShowKeyboard = 509, // Sent to keyboard renderer in the dashboard to invoke it
VREvent_HideKeyboard = 510, // Sent to keyboard renderer in the dashboard to hide it
VREvent_OverlayGamepadFocusGained = 511, // Sent to an overlay when IVROverlay::SetFocusOverlay is called on it
VREvent_OverlayGamepadFocusLost = 512, // Send to an overlay when it previously had focus and IVROverlay::SetFocusOverlay is called on something else
VREvent_OverlaySharedTextureChanged = 513,
VREvent_Notification_Shown = 600,
VREvent_Notification_Hidden = 601,
VREvent_Notification_BeginInteraction = 602,
VREvent_Notification_Destroyed = 603,
VREvent_Quit = 700, // data is process
VREvent_ProcessQuit = 701, // data is process
VREvent_QuitAborted_UserPrompt = 702, // data is process
VREvent_QuitAcknowledged = 703, // data is process
VREvent_ChaperoneDataHasChanged = 800,
VREvent_ChaperoneUniverseHasChanged = 801,
VREvent_ChaperoneTempDataHasChanged = 802,
VREvent_ChaperoneSettingsHaveChanged = 803,
VREvent_SeatedZeroPoseReset = 804,
VREvent_BackgroundSettingHasChanged = 850,
VREvent_CameraSettingsHaveChanged = 851,
VREvent_StatusUpdate = 900,
VREvent_MCImageUpdated = 1000,
VREvent_FirmwareUpdateStarted = 1100,
VREvent_FirmwareUpdateFinished = 1101,
VREvent_KeyboardClosed = 1200,
VREvent_KeyboardCharInput = 1201,
VREvent_KeyboardDone = 1202, // Sent when DONE button clicked on keyboard
VREvent_ApplicationTransitionStarted = 1300,
VREvent_ApplicationTransitionAborted = 1301,
VREvent_ApplicationTransitionNewAppStarted = 1302,
VREvent_Compositor_MirrorWindowShown = 1400,
VREvent_Compositor_MirrorWindowHidden = 1401,
VREvent_Compositor_ChaperoneBoundsShown = 1410,
VREvent_Compositor_ChaperoneBoundsHidden = 1411,
VREvent_TrackedCamera_StartVideoStream = 1500,
VREvent_TrackedCamera_StopVideoStream = 1501,
VREvent_TrackedCamera_PauseVideoStream = 1502,
VREvent_TrackedCamera_ResumeVideoStream = 1503,
VREvent_PerformanceTest_EnableCapture = 1600,
VREvent_PerformanceTest_DisableCapture = 1601,
VREvent_PerformanceTest_FidelityLevel = 1602,
// Vendors are free to expose private events in this reserved region
VREvent_VendorSpecific_Reserved_Start = 10000,
VREvent_VendorSpecific_Reserved_End = 19999,
};
/** Level of Hmd activity */
enum EDeviceActivityLevel
{
k_EDeviceActivityLevel_Unknown = -1,
k_EDeviceActivityLevel_Idle = 0,
k_EDeviceActivityLevel_UserInteraction = 1,
k_EDeviceActivityLevel_UserInteraction_Timeout = 2,
k_EDeviceActivityLevel_Standby = 3,
};
/** VR controller button and axis IDs */
enum EVRButtonId
{
k_EButton_System = 0,
k_EButton_ApplicationMenu = 1,
k_EButton_Grip = 2,
k_EButton_DPad_Left = 3,
k_EButton_DPad_Up = 4,
k_EButton_DPad_Right = 5,
k_EButton_DPad_Down = 6,
k_EButton_A = 7,
k_EButton_Axis0 = 32,
k_EButton_Axis1 = 33,
k_EButton_Axis2 = 34,
k_EButton_Axis3 = 35,
k_EButton_Axis4 = 36,
// aliases for well known controllers
k_EButton_SteamVR_Touchpad = k_EButton_Axis0,
k_EButton_SteamVR_Trigger = k_EButton_Axis1,
k_EButton_Dashboard_Back = k_EButton_Grip,
k_EButton_Max = 64
};
inline uint64_t ButtonMaskFromId( EVRButtonId id ) { return 1ull << id; }
/** used for controller button events */
struct VREvent_Controller_t
{
uint32_t button; // EVRButtonId enum
};
/** used for simulated mouse events in overlay space */
enum EVRMouseButton
{
VRMouseButton_Left = 0x0001,
VRMouseButton_Right = 0x0002,
VRMouseButton_Middle = 0x0004,
};
/** used for simulated mouse events in overlay space */
struct VREvent_Mouse_t
{
float x, y; // co-ords are in GL space, bottom left of the texture is 0,0
uint32_t button; // EVRMouseButton enum
};
/** used for simulated mouse wheel scroll in overlay space */
struct VREvent_Scroll_t
{
float xdelta, ydelta; // movement in fraction of the pad traversed since last delta, 1.0 for a full swipe
uint32_t repeatCount;
};
/** when in mouse input mode you can receive data from the touchpad, these events are only sent if the users finger
is on the touchpad (or just released from it)
**/
struct VREvent_TouchPadMove_t
{
// true if the users finger is detected on the touch pad
bool bFingerDown;
// How long the finger has been down in seconds
float flSecondsFingerDown;
// These values indicate the starting finger position (so you can do some basic swipe stuff)
float fValueXFirst;
float fValueYFirst;
// This is the raw sampled coordinate without deadzoning
float fValueXRaw;
float fValueYRaw;
};
/** notification related events. Details will still change at this point */
struct VREvent_Notification_t
{
uint64_t ulUserValue;
uint32_t notificationId;
};
/** Used for events about processes */
struct VREvent_Process_t
{
uint32_t pid;
uint32_t oldPid;
bool bForced;
};
/** Used for a few events about overlays */
struct VREvent_Overlay_t
{
uint64_t overlayHandle;
};
/** Used for a few events about overlays */
struct VREvent_Status_t
{
uint32_t statusState; // EVRState enum
};
/** Used for keyboard events **/
struct VREvent_Keyboard_t
{
char cNewInput[8]; // Up to 11 bytes of new input
uint64_t uUserValue; // Possible flags about the new input
};
struct VREvent_Ipd_t
{
float ipdMeters;
};
struct VREvent_Chaperone_t
{
uint64_t m_nPreviousUniverse;
uint64_t m_nCurrentUniverse;
};
/** Not actually used for any events */
struct VREvent_Reserved_t
{
uint64_t reserved0;
uint64_t reserved1;
};
struct VREvent_PerformanceTest_t
{
uint32_t m_nFidelityLevel;
};
struct VREvent_SeatedZeroPoseReset_t
{
bool bResetBySystemMenu;
};
/** If you change this you must manually update openvr_interop.cs.py */
typedef union
{
VREvent_Reserved_t reserved;
VREvent_Controller_t controller;
VREvent_Mouse_t mouse;
VREvent_Scroll_t scroll;
VREvent_Process_t process;
VREvent_Notification_t notification;
VREvent_Overlay_t overlay;
VREvent_Status_t status;
VREvent_Keyboard_t keyboard;
VREvent_Ipd_t ipd;
VREvent_Chaperone_t chaperone;
VREvent_PerformanceTest_t performanceTest;
VREvent_TouchPadMove_t touchPadMove;
VREvent_SeatedZeroPoseReset_t seatedZeroPoseReset;
} VREvent_Data_t;
/** An event posted by the server to all running applications */
struct VREvent_t
{
uint32_t eventType; // EVREventType enum
TrackedDeviceIndex_t trackedDeviceIndex;
float eventAgeSeconds;
// event data must be the end of the struct as its size is variable
VREvent_Data_t data;
};
/** The mesh to draw into the stencil (or depth) buffer to perform
* early stencil (or depth) kills of pixels that will never appear on the HMD.
* This mesh draws on all the pixels that will be hidden after distortion.
*
* If the HMD does not provide a visible area mesh pVertexData will be
* NULL and unTriangleCount will be 0. */
struct HiddenAreaMesh_t
{
const HmdVector2_t *pVertexData;
uint32_t unTriangleCount;
};
/** Identifies what kind of axis is on the controller at index n. Read this type
* with pVRSystem->Get( nControllerDeviceIndex, Prop_Axis0Type_Int32 + n );
*/
enum EVRControllerAxisType
{
k_eControllerAxis_None = 0,
k_eControllerAxis_TrackPad = 1,
k_eControllerAxis_Joystick = 2,
k_eControllerAxis_Trigger = 3, // Analog trigger data is in the X axis
};
/** contains information about one axis on the controller */
struct VRControllerAxis_t
{
float x; // Ranges from -1.0 to 1.0 for joysticks and track pads. Ranges from 0.0 to 1.0 for triggers were 0 is fully released.
float y; // Ranges from -1.0 to 1.0 for joysticks and track pads. Is always 0.0 for triggers.
};
/** the number of axes in the controller state */
static const uint32_t k_unControllerStateAxisCount = 5;
/** Holds all the state of a controller at one moment in time. */
struct VRControllerState001_t
{
// If packet num matches that on your prior call, then the controller state hasn't been changed since
// your last call and there is no need to process it
uint32_t unPacketNum;
// bit flags for each of the buttons. Use ButtonMaskFromId to turn an ID into a mask
uint64_t ulButtonPressed;
uint64_t ulButtonTouched;
// Axis data for the controller's analog inputs
VRControllerAxis_t rAxis[ k_unControllerStateAxisCount ];
};
typedef VRControllerState001_t VRControllerState_t;
/** determines how to provide output to the application of various event processing functions. */
enum EVRControllerEventOutputType
{
ControllerEventOutput_OSEvents = 0,
ControllerEventOutput_VREvents = 1,
};
/** Collision Bounds Style */
enum ECollisionBoundsStyle
{
COLLISION_BOUNDS_STYLE_BEGINNER = 0,
COLLISION_BOUNDS_STYLE_INTERMEDIATE,
COLLISION_BOUNDS_STYLE_SQUARES,
COLLISION_BOUNDS_STYLE_ADVANCED,
COLLISION_BOUNDS_STYLE_NONE,
COLLISION_BOUNDS_STYLE_COUNT
};
/** Allows the application to customize how the overlay appears in the compositor */
struct Compositor_OverlaySettings
{
uint32_t size; // sizeof(Compositor_OverlaySettings)
bool curved, antialias;
float scale, distance, alpha;
float uOffset, vOffset, uScale, vScale;
float gridDivs, gridWidth, gridScale;
HmdMatrix44_t transform;
};
/** used to refer to a single VR overlay */
typedef uint64_t VROverlayHandle_t;
static const VROverlayHandle_t k_ulOverlayHandleInvalid = 0;
/** Errors that can occur around VR overlays */
enum EVROverlayError
{
VROverlayError_None = 0,
VROverlayError_UnknownOverlay = 10,
VROverlayError_InvalidHandle = 11,
VROverlayError_PermissionDenied = 12,
VROverlayError_OverlayLimitExceeded = 13, // No more overlays could be created because the maximum number already exist
VROverlayError_WrongVisibilityType = 14,
VROverlayError_KeyTooLong = 15,
VROverlayError_NameTooLong = 16,
VROverlayError_KeyInUse = 17,
VROverlayError_WrongTransformType = 18,
VROverlayError_InvalidTrackedDevice = 19,
VROverlayError_InvalidParameter = 20,
VROverlayError_ThumbnailCantBeDestroyed = 21,
VROverlayError_ArrayTooSmall = 22,
VROverlayError_RequestFailed = 23,
VROverlayError_InvalidTexture = 24,
VROverlayError_UnableToLoadFile = 25,
VROVerlayError_KeyboardAlreadyInUse = 26,
VROverlayError_NoNeighbor = 27,
};
/** enum values to pass in to VR_Init to identify whether the application will
* draw a 3D scene. */
enum EVRApplicationType
{
VRApplication_Other = 0, // Some other kind of application that isn't covered by the other entries
VRApplication_Scene = 1, // Application will submit 3D frames
VRApplication_Overlay = 2, // Application only interacts with overlays
VRApplication_Background = 3, // Application should not start SteamVR if it's not already running, and should not
// keep it running if everything else quits.
VRApplication_Utility = 4, // Init should not try to load any drivers. The application needs access to utility
// interfaces (like IVRSettings and IVRApplications) but not hardware.
};
/** error codes for firmware */
enum EVRFirmwareError
{
VRFirmwareError_None = 0,
VRFirmwareError_Success = 1,
VRFirmwareError_Fail = 2,
};
/** error codes for notifications */
enum EVRNotificationError
{
VRNotificationError_OK = 0,
VRNotificationError_InvalidNotificationId = 100,
VRNotificationError_NotificationQueueFull = 101,
VRNotificationError_InvalidOverlayHandle = 102,
};
/** error codes returned by Vr_Init */
// Please add adequate error description to https://developer.valvesoftware.com/w/index.php?title=Category:SteamVRHelp
enum EVRInitError
{
VRInitError_None = 0,
VRInitError_Unknown = 1,
VRInitError_Init_InstallationNotFound = 100,
VRInitError_Init_InstallationCorrupt = 101,
VRInitError_Init_VRClientDLLNotFound = 102,
VRInitError_Init_FileNotFound = 103,
VRInitError_Init_FactoryNotFound = 104,
VRInitError_Init_InterfaceNotFound = 105,
VRInitError_Init_InvalidInterface = 106,
VRInitError_Init_UserConfigDirectoryInvalid = 107,
VRInitError_Init_HmdNotFound = 108,
VRInitError_Init_NotInitialized = 109,
VRInitError_Init_PathRegistryNotFound = 110,
VRInitError_Init_NoConfigPath = 111,
VRInitError_Init_NoLogPath = 112,
VRInitError_Init_PathRegistryNotWritable = 113,
VRInitError_Init_AppInfoInitFailed = 114,
VRInitError_Init_Retry = 115, // Used internally to cause retries to vrserver
VRInitError_Init_InitCanceledByUser = 116, // The calling application should silently exit. The user canceled app startup
VRInitError_Init_AnotherAppLaunching = 117,
VRInitError_Init_SettingsInitFailed = 118,
VRInitError_Init_ShuttingDown = 119,
VRInitError_Init_TooManyObjects = 120,
VRInitError_Init_NoServerForBackgroundApp = 121,
VRInitError_Init_NotSupportedWithCompositor = 122,
VRInitError_Init_NotAvailableToUtilityApps = 123,
VRInitError_Driver_Failed = 200,
VRInitError_Driver_Unknown = 201,
VRInitError_Driver_HmdUnknown = 202,
VRInitError_Driver_NotLoaded = 203,
VRInitError_Driver_RuntimeOutOfDate = 204,
VRInitError_Driver_HmdInUse = 205,
VRInitError_Driver_NotCalibrated = 206,
VRInitError_Driver_CalibrationInvalid = 207,
VRInitError_Driver_HmdDisplayNotFound = 208,
VRInitError_IPC_ServerInitFailed = 300,
VRInitError_IPC_ConnectFailed = 301,
VRInitError_IPC_SharedStateInitFailed = 302,
VRInitError_IPC_CompositorInitFailed = 303,
VRInitError_IPC_MutexInitFailed = 304,
VRInitError_IPC_Failed = 305,
VRInitError_Compositor_Failed = 400,
VRInitError_Compositor_D3D11HardwareRequired = 401,
VRInitError_VendorSpecific_UnableToConnectToOculusRuntime = 1000,
VRInitError_VendorSpecific_HmdFound_CantOpenDevice = 1101,
VRInitError_VendorSpecific_HmdFound_UnableToRequestConfigStart = 1102,
VRInitError_VendorSpecific_HmdFound_NoStoredConfig = 1103,
VRInitError_VendorSpecific_HmdFound_ConfigTooBig = 1104,
VRInitError_VendorSpecific_HmdFound_ConfigTooSmall = 1105,
VRInitError_VendorSpecific_HmdFound_UnableToInitZLib = 1106,
VRInitError_VendorSpecific_HmdFound_CantReadFirmwareVersion = 1107,
VRInitError_VendorSpecific_HmdFound_UnableToSendUserDataStart = 1108,
VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataStart = 1109,
VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataNext = 1110,
VRInitError_VendorSpecific_HmdFound_UserDataAddressRange = 1111,
VRInitError_VendorSpecific_HmdFound_UserDataError = 1112,
VRInitError_VendorSpecific_HmdFound_ConfigFailedSanityCheck = 1113,
VRInitError_Steam_SteamInstallationNotFound = 2000,
};
#pragma pack( pop )
// figure out how to import from the VR API dll
#if defined(_WIN32)
#ifdef VR_API_EXPORT
#define VR_INTERFACE extern "C" __declspec( dllexport )
#else
#define VR_INTERFACE extern "C" __declspec( dllimport )
#endif
#elif defined(GNUC) || defined(COMPILER_GCC) || defined(__APPLE__)
#ifdef VR_API_EXPORT
#define VR_INTERFACE extern "C" __attribute__((visibility("default")))
#else
#define VR_INTERFACE extern "C"
#endif
#else
#error "Unsupported Platform."
#endif
#if defined( _WIN32 )
#define VR_CALLTYPE __cdecl
#else
#define VR_CALLTYPE
#endif
}
#endif // _INCLUDE_VRTYPES_H
// vrtrackedcameratypes.h
#ifndef _VRTRACKEDCAMERATYPES_H
#define _VRTRACKEDCAMERATYPES_H
namespace vr
{
#if defined(__linux__) || defined(__APPLE__)
// The 32-bit version of gcc has the alignment requirement for uint64 and double set to
// 4 meaning that even with #pragma pack(8) these types will only be four-byte aligned.
// The 64-bit version of gcc has the alignment requirement for these types set to
// 8 meaning that unless we use #pragma pack(4) our structures will get bigger.
// The 64-bit structure packing has to match the 32-bit structure packing for each platform.
#pragma pack( push, 4 )
#else
#pragma pack( push, 8 )
#endif
enum ECameraVideoStreamFormat
{
CVS_FORMAT_UNKNOWN = 0,
CVS_FORMAT_RAW10 = 1, // 10 bits per pixel
CVS_FORMAT_NV12 = 2, // 12 bits per pixel
CVS_FORMAT_RGB24 = 3, // 24 bits per pixel
CVS_MAX_FORMATS
};
enum ECameraCompatibilityMode
{
CAMERA_COMPAT_MODE_BULK_DEFAULT = 0,
CAMERA_COMPAT_MODE_BULK_64K_DMA,
CAMERA_COMPAT_MODE_BULK_16K_DMA,
CAMERA_COMPAT_MODE_BULK_8K_DMA,
CAMERA_COMPAT_MODE_ISO_52FPS,
CAMERA_COMPAT_MODE_ISO_50FPS,
CAMERA_COMPAT_MODE_ISO_48FPS,
CAMERA_COMPAT_MODE_ISO_46FPS,
CAMERA_COMPAT_MODE_ISO_44FPS,
CAMERA_COMPAT_MODE_ISO_42FPS,
CAMERA_COMPAT_MODE_ISO_40FPS,
CAMERA_COMPAT_MODE_ISO_35FPS,
CAMERA_COMPAT_MODE_ISO_30FPS,
MAX_CAMERA_COMPAT_MODES
};
#ifdef _MSC_VER
#define VR_CAMERA_DECL_ALIGN( x ) __declspec( align( x ) )
#else
#define VR_CAMERA_DECL_ALIGN( x ) //
#endif
VR_CAMERA_DECL_ALIGN( 8 ) struct CameraVideoStreamFrame_t
{
ECameraVideoStreamFormat m_nStreamFormat;
uint32_t m_nWidth;
uint32_t m_nHeight;
uint32_t m_nImageDataSize; // Based on stream format, width, height
uint32_t m_nFrameSequence; // Starts from 0 when stream starts.
uint32_t m_nBufferIndex; // Identifies which buffer the image data is hosted
uint32_t m_nBufferCount; // Total number of configured buffers
uint32_t m_nExposureTime;
uint32_t m_nISPFrameTimeStamp; // Driver provided time stamp per driver centric time base
uint32_t m_nISPReferenceTimeStamp;
uint32_t m_nSyncCounter;
uint32_t m_nCamSyncEvents;
double m_flReferenceCamSyncTime;
double m_flFrameElapsedTime; // Starts from 0 when stream starts. In seconds.
double m_flFrameDeliveryRate;
double m_flFrameCaptureTime_DriverAbsolute; // In USB time, via AuxEvent
double m_flFrameCaptureTime_ServerRelative; // In System time within the server
uint64_t m_nFrameCaptureTicks_ServerAbsolute; // In system ticks within the server
double m_flFrameCaptureTime_ClientRelative; // At the client, relative to when the frame was exposed/captured.
bool m_bPoseIsValid; // Supplied by HMD layer when used as a tracked camera
vr::HmdMatrix34_t m_matDeviceToAbsoluteTracking;
float m_Pad[4];
void *m_pImageData;
};
#pragma pack( pop )
}
#endif // _VRTRACKEDCAMERATYPES_H
// ivrsettings.h
namespace vr
{
enum EVRSettingsError
{
VRSettingsError_None = 0,
VRSettingsError_IPCFailed = 1,
VRSettingsError_WriteFailed = 2,
VRSettingsError_ReadFailed = 3,
};
// The maximum length of a settings key
static const uint32_t k_unMaxSettingsKeyLength = 128;
class IVRSettings
{
public:
virtual const char *GetSettingsErrorNameFromEnum( EVRSettingsError eError ) = 0;
// Returns true if file sync occurred (force or settings dirty)
virtual bool Sync( bool bForce = false, EVRSettingsError *peError = nullptr ) = 0;
virtual bool GetBool( const char *pchSection, const char *pchSettingsKey, bool bDefaultValue, EVRSettingsError *peError = nullptr ) = 0;
virtual void SetBool( const char *pchSection, const char *pchSettingsKey, bool bValue, EVRSettingsError *peError = nullptr ) = 0;
virtual int32_t GetInt32( const char *pchSection, const char *pchSettingsKey, int32_t nDefaultValue, EVRSettingsError *peError = nullptr ) = 0;
virtual void SetInt32( const char *pchSection, const char *pchSettingsKey, int32_t nValue, EVRSettingsError *peError = nullptr ) = 0;
virtual float GetFloat( const char *pchSection, const char *pchSettingsKey, float flDefaultValue, EVRSettingsError *peError = nullptr ) = 0;
virtual void SetFloat( const char *pchSection, const char *pchSettingsKey, float flValue, EVRSettingsError *peError = nullptr ) = 0;
virtual void GetString( const char *pchSection, const char *pchSettingsKey, char *pchValue, uint32_t unValueLen, const char *pchDefaultValue, EVRSettingsError *peError = nullptr ) = 0;
virtual void SetString( const char *pchSection, const char *pchSettingsKey, const char *pchValue, EVRSettingsError *peError = nullptr ) = 0;
virtual void RemoveSection( const char *pchSection, EVRSettingsError *peError = nullptr ) = 0;
virtual void RemoveKeyInSection( const char *pchSection, const char *pchSettingsKey, EVRSettingsError *peError = nullptr ) = 0;
};
//-----------------------------------------------------------------------------
// steamvr keys
static const char * const k_pch_SteamVR_Section = "steamvr";
static const char * const k_pch_SteamVR_RequireHmd_String = "requireHmd";
static const char * const k_pch_SteamVR_ForcedDriverKey_String = "forcedDriver";
static const char * const k_pch_SteamVR_ForcedHmdKey_String = "forcedHmd";
static const char * const k_pch_SteamVR_DisplayDebug_Bool = "displayDebug";
static const char * const k_pch_SteamVR_DebugProcessPipe_String = "debugProcessPipe";
static const char * const k_pch_SteamVR_EnableDistortion_Bool = "enableDistortion";
static const char * const k_pch_SteamVR_DisplayDebugX_Int32 = "displayDebugX";
static const char * const k_pch_SteamVR_DisplayDebugY_Int32 = "displayDebugY";
static const char * const k_pch_SteamVR_SendSystemButtonToAllApps_Bool= "sendSystemButtonToAllApps";
static const char * const k_pch_SteamVR_LogLevel_Int32 = "loglevel";
static const char * const k_pch_SteamVR_IPD_Float = "ipd";
static const char * const k_pch_SteamVR_Background_String = "background";
static const char * const k_pch_SteamVR_GridColor_String = "gridColor";
static const char * const k_pch_SteamVR_PlayAreaColor_String = "playAreaColor";
static const char * const k_pch_SteamVR_ActivateMultipleDrivers_Bool = "activateMultipleDrivers";
static const char * const k_pch_SteamVR_PowerOffOnExit_Bool = "powerOffOnExit";
static const char * const k_pch_SteamVR_StandbyAppRunningTimeout_Float = "standbyAppRunningTimeout";
static const char * const k_pch_SteamVR_StandbyNoAppTimeout_Float = "standbyNoAppTimeout";
static const char * const k_pch_SteamVR_DirectMode_Bool = "directMode";
static const char * const k_pch_SteamVR_DirectModeEdidVid_Int32 = "directModeEdidVid";
static const char * const k_pch_SteamVR_DirectModeEdidPid_Int32 = "directModeEdidPid";
static const char * const k_pch_SteamVR_UsingSpeakers_Bool = "usingSpeakers";
static const char * const k_pch_SteamVR_SpeakersForwardYawOffsetDegrees_Float = "speakersForwardYawOffsetDegrees";
static const char * const k_pch_SteamVR_BaseStationPowerManagement_Bool = "basestationPowerManagement";
static const char * const k_pch_SteamVR_NeverKillProcesses_Bool = "neverKillProcesses";
//-----------------------------------------------------------------------------
// lighthouse keys
static const char * const k_pch_Lighthouse_Section = "driver_lighthouse";
static const char * const k_pch_Lighthouse_DisableIMU_Bool = "disableimu";
static const char * const k_pch_Lighthouse_UseDisambiguation_String = "usedisambiguation";
static const char * const k_pch_Lighthouse_DisambiguationDebug_Int32 = "disambiguationdebug";
static const char * const k_pch_Lighthouse_PrimaryBasestation_Int32 = "primarybasestation";
static const char * const k_pch_Lighthouse_LighthouseName_String = "lighthousename";
static const char * const k_pch_Lighthouse_MaxIncidenceAngleDegrees_Float = "maxincidenceangledegrees";
static const char * const k_pch_Lighthouse_UseLighthouseDirect_Bool = "uselighthousedirect";
static const char * const k_pch_Lighthouse_DBHistory_Bool = "dbhistory";
static const char * const k_pch_Lighthouse_OriginOffsetX_Float = "originoffsetx";
static const char * const k_pch_Lighthouse_OriginOffsetY_Float = "originoffsety";
static const char * const k_pch_Lighthouse_OriginOffsetZ_Float = "originoffsetz";
static const char * const k_pch_Lighthouse_HeadingOffset_Float = "headingoffset";
//-----------------------------------------------------------------------------
// null keys
static const char * const k_pch_Null_Section = "driver_null";
static const char * const k_pch_Null_EnableNullDriver_Bool = "enable";
static const char * const k_pch_Null_SerialNumber_String = "serialNumber";
static const char * const k_pch_Null_ModelNumber_String = "modelNumber";
static const char * const k_pch_Null_WindowX_Int32 = "windowX";
static const char * const k_pch_Null_WindowY_Int32 = "windowY";
static const char * const k_pch_Null_WindowWidth_Int32 = "windowWidth";
static const char * const k_pch_Null_WindowHeight_Int32 = "windowHeight";
static const char * const k_pch_Null_RenderWidth_Int32 = "renderWidth";
static const char * const k_pch_Null_RenderHeight_Int32 = "renderHeight";
static const char * const k_pch_Null_SecondsFromVsyncToPhotons_Float = "secondsFromVsyncToPhotons";
static const char * const k_pch_Null_DisplayFrequency_Float = "displayFrequency";
//-----------------------------------------------------------------------------
// user interface keys
static const char * const k_pch_UserInterface_Section = "userinterface";
static const char * const k_pch_UserInterface_StatusAlwaysOnTop_Bool = "StatusAlwaysOnTop";
//-----------------------------------------------------------------------------
// notification keys
static const char * const k_pch_Notifications_Section = "notifications";
static const char * const k_pch_Notifications_DoNotDisturb_Bool = "DoNotDisturb";
//-----------------------------------------------------------------------------
// keyboard keys
static const char * const k_pch_Keyboard_Section = "keyboard";
static const char * const k_pch_Keyboard_TutorialCompletions = "TutorialCompletions";
//-----------------------------------------------------------------------------
// perf keys
static const char * const k_pch_Perf_Section = "perfcheck";
static const char * const k_pch_Perf_HeuristicActive_Bool = "heuristicActive";
static const char * const k_pch_Perf_NotifyInHMD_Bool = "warnInHMD";
static const char * const k_pch_Perf_NotifyOnlyOnce_Bool = "warnOnlyOnce";
static const char * const k_pch_Perf_AllowTimingStore_Bool = "allowTimingStore";
static const char * const k_pch_Perf_SaveTimingsOnExit_Bool = "saveTimingsOnExit";
static const char * const k_pch_Perf_TestData_Float = "perfTestData";
//-----------------------------------------------------------------------------
// camera keys
static const char * const k_pch_Camera_Section = "camera";
//-----------------------------------------------------------------------------
static const char * const IVRSettings_Version = "IVRSettings_001";
//-----------------------------------------------------------------------------
// audio keys
static const char * const k_pch_audio_Section = "audio";
static const char * const k_pch_audio_OnPlaybackDevice_String = "onPlaybackDevice";
static const char * const k_pch_audio_OnRecordDevice_String = "onRecordDevice";
static const char * const k_pch_audio_OffPlaybackDevice_String = "offPlaybackDevice";
static const char * const k_pch_audio_OffRecordDevice_String = "offRecordDevice";
static const char * const k_pch_audio_VIVEHDMIGain = "viveHDMIGain";
} // namespace vr
// iservertrackeddevicedriver.h
namespace vr
{
struct DriverPoseQuaternion_t
{
double w, x, y, z;
};
struct DriverPose_t
{
/* Time offset of this pose, in seconds from the actual time of the pose,
* relative to the time of the PoseUpdated() call made by the driver.
*/
double poseTimeOffset;
/* Generally, the pose maintained by a driver
* is in an inertial coordinate system different
* from the world system of x+ right, y+ up, z+ back.
* Also, the driver is not usually tracking the "head" position,
* but instead an internal IMU or another reference point in the HMD.
* The following two transforms transform positions and orientations
* to app world space from driver world space,
* and to HMD head space from driver local body space.
*
* We maintain the driver pose state in its internal coordinate system,
* so we can do the pose prediction math without having to
* use angular acceleration. A driver's angular acceleration is generally not measured,
* and is instead calculated from successive samples of angular velocity.
* This leads to a noisy angular acceleration values, which are also
* lagged due to the filtering required to reduce noise to an acceptable level.
*/
vr::HmdQuaternion_t qWorldFromDriverRotation;
double vecWorldFromDriverTranslation[ 3 ];
vr::HmdQuaternion_t qDriverFromHeadRotation;
double vecDriverFromHeadTranslation[ 3 ];
/* State of driver pose, in meters and radians. */
/* Position of the driver tracking reference in driver world space
* +[0] (x) is right
* +[1] (y) is up
* -[2] (z) is forward
*/
double vecPosition[ 3 ];
/* Velocity of the pose in meters/second */
double vecVelocity[ 3 ];
/* Acceleration of the pose in meters/second */
double vecAcceleration[ 3 ];
/* Orientation of the tracker, represented as a quaternion */
vr::HmdQuaternion_t qRotation;
/* Angular velocity of the pose in axis-angle
* representation. The direction is the angle of
* rotation and the magnitude is the angle around
* that axis in radians/second. */
double vecAngularVelocity[ 3 ];
/* Angular acceleration of the pose in axis-angle
* representation. The direction is the angle of
* rotation and the magnitude is the angle around
* that axis in radians/second^2. */
double vecAngularAcceleration[ 3 ];
ETrackingResult result;
bool poseIsValid;
bool willDriftInYaw;
bool shouldApplyHeadModel;
bool deviceIsConnected;
};
// ----------------------------------------------------------------------------------------------
// Purpose: Represents a single tracked device in a driver
// ----------------------------------------------------------------------------------------------
class ITrackedDeviceServerDriver
{
public:
// ------------------------------------
// Management Methods
// ------------------------------------
/** This is called before an HMD is returned to the application. It will always be
* called before any display or tracking methods. Memory and processor use by the
* ITrackedDeviceServerDriver object should be kept to a minimum until it is activated.
* The pose listener is guaranteed to be valid until Deactivate is called, but
* should not be used after that point. */
virtual EVRInitError Activate( uint32_t unObjectId ) = 0;
/** This is called when The VR system is switching from this Hmd being the active display
* to another Hmd being the active display. The driver should clean whatever memory
* and thread use it can when it is deactivated */
virtual void Deactivate() = 0;
/** Handles a request from the system to power off this device */
virtual void PowerOff() = 0;
/** Requests a component interface of the driver for device-specific functionality. The driver should return NULL
* if the requested interface or version is not supported. */
virtual void *GetComponent( const char *pchComponentNameAndVersion ) = 0;
/** A VR Client has made this debug request of the driver. The set of valid requests is entirely
* up to the driver and the client to figure out, as is the format of the response. Responses that
* exceed the length of the supplied buffer should be truncated and null terminated */
virtual void DebugRequest( const char *pchRequest, char *pchResponseBuffer, uint32_t unResponseBufferSize ) = 0;
// ------------------------------------
// Tracking Methods
// ------------------------------------
virtual DriverPose_t GetPose() = 0;
// ------------------------------------
// Property Methods
// ------------------------------------
/** Returns a bool property. If the property is not available this function will return false. */
virtual bool GetBoolTrackedDeviceProperty( ETrackedDeviceProperty prop, ETrackedPropertyError *pError ) = 0;
/** Returns a float property. If the property is not available this function will return 0. */
virtual float GetFloatTrackedDeviceProperty( ETrackedDeviceProperty prop, ETrackedPropertyError *pError ) = 0;
/** Returns an int property. If the property is not available this function will return 0. */
virtual int32_t GetInt32TrackedDeviceProperty( ETrackedDeviceProperty prop, ETrackedPropertyError *pError ) = 0;
/** Returns a uint64 property. If the property is not available this function will return 0. */
virtual uint64_t GetUint64TrackedDeviceProperty( ETrackedDeviceProperty prop, ETrackedPropertyError *pError ) = 0;
/** Returns a matrix property. If the device index is not valid or the property is not a matrix type, this function will return identity. */
virtual HmdMatrix34_t GetMatrix34TrackedDeviceProperty( ETrackedDeviceProperty prop, ETrackedPropertyError *pError ) = 0;
/** Returns a string property. If the property is not available this function will return 0 and pError will be
* set to an error. Otherwise it returns the length of the number of bytes necessary to hold this string including
* the trailing null. If the buffer is too small the error will be TrackedProp_BufferTooSmall. Strings will
* generally fit in buffers of k_unTrackingStringSize characters. Drivers may not return strings longer than
* k_unMaxPropertyStringSize. */
virtual uint32_t GetStringTrackedDeviceProperty( ETrackedDeviceProperty prop, char *pchValue, uint32_t unBufferSize, ETrackedPropertyError *pError ) = 0;
};
static const char *ITrackedDeviceServerDriver_Version = "ITrackedDeviceServerDriver_004";
}
// ivrdisplaycomponent.h
namespace vr
{
// ----------------------------------------------------------------------------------------------
// Purpose: The display component on a single tracked device
// ----------------------------------------------------------------------------------------------
class IVRDisplayComponent
{
public:
// ------------------------------------
// Display Methods
// ------------------------------------
/** Size and position that the window needs to be on the VR display. */
virtual void GetWindowBounds( int32_t *pnX, int32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
/** Returns true if the display is extending the desktop. */
virtual bool IsDisplayOnDesktop( ) = 0;
/** Returns true if the display is real and not a fictional display. */
virtual bool IsDisplayRealDisplay( ) = 0;
/** Suggested size for the intermediate render target that the distortion pulls from. */
virtual void GetRecommendedRenderTargetSize( uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
/** Gets the viewport in the frame buffer to draw the output of the distortion into */
virtual void GetEyeOutputViewport( EVREye eEye, uint32_t *pnX, uint32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
/** The components necessary to build your own projection matrix in case your
* application is doing something fancy like infinite Z */
virtual void GetProjectionRaw( EVREye eEye, float *pfLeft, float *pfRight, float *pfTop, float *pfBottom ) = 0;
/** Returns the result of the distortion function for the specified eye and input UVs. UVs go from 0,0 in
* the upper left of that eye's viewport and 1,1 in the lower right of that eye's viewport. */
virtual DistortionCoordinates_t ComputeDistortion( EVREye eEye, float fU, float fV ) = 0;
// -----------------------------------
// Direct mode methods
// -----------------------------------
/** Specific to Oculus compositor support, textures supplied must be created using this method. */
virtual void CreateSwapTextureSet( uint32_t unPid, uint32_t unFormat, uint32_t unWidth, uint32_t unHeight, void *(*pSharedTextureHandles)[2] ) {}
/** Used to textures created using CreateSwapTextureSet. Only one of the set's handles needs to be used to destroy the entire set. */
virtual void DestroySwapTextureSet( void *pSharedTextureHandle ) {}
/** Used to purge all texture sets for a given process. */
virtual void DestroyAllSwapTextureSets( uint32_t unPid ) {}
/** Call once per layer to draw for this frame. One shared texture handle per eye. Textures must be created
* using CreateSwapTextureSet and should be alternated per frame. Call Present once all layers have been submitted. */
virtual void SubmitLayer( void *pSharedTextureHandles[ 2 ], const vr::VRTextureBounds_t( &bounds )[ 2 ], const vr::HmdMatrix34_t *pPose ) {}
/** Submits queued layers for display. */
virtual void Present( void *hSyncTexture ) {}
};
static const char *IVRDisplayComponent_Version = "IVRDisplayComponent_001";
}
// ivrcontrollercomponent.h
namespace vr
{
// ----------------------------------------------------------------------------------------------
// Purpose: Controller access on a single tracked device.
// ----------------------------------------------------------------------------------------------
class IVRControllerComponent
{
public:
// ------------------------------------
// Controller Methods
// ------------------------------------
/** Gets the current state of a controller. */
virtual VRControllerState_t GetControllerState( ) = 0;
/** Returns a uint64 property. If the property is not available this function will return 0. */
virtual bool TriggerHapticPulse( uint32_t unAxisId, uint16_t usPulseDurationMicroseconds ) = 0;
};
static const char *IVRControllerComponent_Version = "IVRControllerComponent_001";
}
// ivrcameracomponent.h
namespace vr
{
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
class ICameraVideoSinkCallback
{
public:
virtual void OnCameraVideoSinkCallback() = 0;
};
// ----------------------------------------------------------------------------------------------
// Purpose: The camera on a single tracked device
// ----------------------------------------------------------------------------------------------
class IVRCameraComponent
{
public:
// ------------------------------------
// Camera Methods
// ------------------------------------
virtual bool HasCamera() = 0;
virtual bool GetCameraFirmwareDescription( char *pBuffer, uint32_t nBufferLen ) = 0;
virtual bool GetCameraFrameDimensions( vr::ECameraVideoStreamFormat nVideoStreamFormat, uint32_t *pWidth, uint32_t *pHeight ) = 0;
virtual bool GetCameraFrameBufferingRequirements( int *pDefaultFrameQueueSize, uint32_t *pFrameBufferDataSize ) = 0;
virtual bool SetCameraFrameBuffering( int nFrameBufferCount, void **ppFrameBuffers, uint32_t nFrameBufferDataSize ) = 0;
virtual bool SetCameraVideoStreamFormat( vr::ECameraVideoStreamFormat nVideoStreamFormat ) = 0;
virtual vr::ECameraVideoStreamFormat GetCameraVideoStreamFormat() = 0;
virtual bool StartVideoStream() = 0;
virtual void StopVideoStream() = 0;
virtual bool IsVideoStreamActive() = 0;
virtual float GetVideoStreamElapsedTime() = 0;
virtual const vr::CameraVideoStreamFrame_t *GetVideoStreamFrame() = 0;
virtual void ReleaseVideoStreamFrame( const vr::CameraVideoStreamFrame_t *pFrameImage ) = 0;
virtual bool SetAutoExposure( bool bEnable ) = 0;
virtual bool PauseVideoStream() = 0;
virtual bool ResumeVideoStream() = 0;
virtual bool IsVideoStreamPaused() = 0;
virtual bool GetCameraDistortion( float flInputU, float flInputV, float *pflOutputU, float *pflOutputV ) = 0;
virtual bool GetCameraProjection( float flWidthPixels, float flHeightPixels, float flZNear, float flZFar, vr::HmdMatrix44_t *pProjection ) = 0;
virtual bool GetRecommendedCameraUndistortion( uint32_t *pUndistortionWidthPixels, uint32_t *pUndistortionHeightPixels ) = 0;
virtual bool SetCameraUndistortion( uint32_t nUndistortionWidthPixels, uint32_t nUndistortionHeightPixels ) = 0;
virtual bool GetCameraFirmwareVersion( uint64_t *pFirmwareVersion ) = 0;
virtual bool SetFrameRate( int nISPFrameRate, int nSensorFrameRate ) = 0;
virtual bool SetCameraVideoSinkCallback( vr::ICameraVideoSinkCallback *pCameraVideoSinkCallback ) = 0;
virtual bool GetCameraCompatibilityMode( vr::ECameraCompatibilityMode *pCameraCompatibilityMode ) = 0;
virtual bool SetCameraCompatibilityMode( vr::ECameraCompatibilityMode nCameraCompatibilityMode ) = 0;
};
static const char *IVRCameraComponent_Version = "IVRCameraComponent_001";
}
// itrackeddevicedriverprovider.h
namespace vr
{
class ITrackedDeviceServerDriver;
struct TrackedDeviceDriverInfo_t;
struct DriverPose_t;
class IDriverLog
{
public:
/** Writes a log message to the log file prefixed with the driver name */
virtual void Log( const char *pchLogMessage ) = 0;
};
/** This interface is provided by vrserver to allow the driver to notify
* the system when something changes about a device. These changes must
* not change the serial number or class of the device because those values
* are permanently associated with the device's index. */
class IServerDriverHost
{
public:
/** Notifies the server that a tracked device has been added. If this function returns true
* the server will call Activate on the device. If it returns false some kind of error
* has occurred and the device will not be activated. */
virtual bool TrackedDeviceAdded( const char *pchDeviceSerialNumber ) = 0;
/** Notifies the server that a tracked device's pose has been updated */
virtual void TrackedDevicePoseUpdated( uint32_t unWhichDevice, const DriverPose_t & newPose ) = 0;
/** Notifies the server that the property cache for the specified device should be invalidated */
virtual void TrackedDevicePropertiesChanged( uint32_t unWhichDevice ) = 0;
/** Notifies the server that vsync has occurred on the the display attached to the device. This is
* only permitted on devices of the HMD class. */
virtual void VsyncEvent( double vsyncTimeOffsetSeconds ) = 0;
/** notifies the server that the button was pressed */
virtual void TrackedDeviceButtonPressed( uint32_t unWhichDevice, EVRButtonId eButtonId, double eventTimeOffset ) = 0;
/** notifies the server that the button was unpressed */
virtual void TrackedDeviceButtonUnpressed( uint32_t unWhichDevice, EVRButtonId eButtonId, double eventTimeOffset ) = 0;
/** notifies the server that the button was pressed */
virtual void TrackedDeviceButtonTouched( uint32_t unWhichDevice, EVRButtonId eButtonId, double eventTimeOffset ) = 0;
/** notifies the server that the button was unpressed */
virtual void TrackedDeviceButtonUntouched( uint32_t unWhichDevice, EVRButtonId eButtonId, double eventTimeOffset ) = 0;
/** notifies the server than a controller axis changed */
virtual void TrackedDeviceAxisUpdated( uint32_t unWhichDevice, uint32_t unWhichAxis, const VRControllerAxis_t & axisState ) = 0;
/** Notifies the server that the MC image has been updated for the display attached to the device. This is
* only permitted on devices of the HMD class. */
virtual void MCImageUpdated() = 0;
/** always returns a pointer to a valid interface pointer of IVRSettings */
virtual IVRSettings *GetSettings( const char *pchInterfaceVersion ) = 0;
/** Notifies the server that the physical IPD adjustment has been moved on the HMD */
virtual void PhysicalIpdSet( uint32_t unWhichDevice, float fPhysicalIpdMeters ) = 0;
/** Notifies the server that the proximity sensor on the specified device */
virtual void ProximitySensorState( uint32_t unWhichDevice, bool bProximitySensorTriggered ) = 0;
/** Sends a vendor specific event (VREvent_VendorSpecific_Reserved_Start..VREvent_VendorSpecific_Reserved_End */
virtual void VendorSpecificEvent( uint32_t unWhichDevice, vr::EVREventType eventType, const VREvent_Data_t & eventData, double eventTimeOffset ) = 0;
/** Returns true if SteamVR is exiting */
virtual bool IsExiting() = 0;
};
/** This interface must be implemented in each driver. It will be loaded in vrserver.exe */
class IServerTrackedDeviceProvider
{
public:
/** initializes the driver. This will be called before any other methods are called.
* If Init returns anything other than VRInitError_None the driver DLL will be unloaded.
*
* pDriverHost will never be NULL, and will always be a pointer to a IServerDriverHost interface
*
* pchUserDriverConfigDir - The absolute path of the directory where the driver should store user
* config files.
* pchDriverInstallDir - The absolute path of the root directory for the driver.
*/
virtual EVRInitError Init( IDriverLog *pDriverLog, vr::IServerDriverHost *pDriverHost, const char *pchUserDriverConfigDir, const char *pchDriverInstallDir ) = 0;
/** cleans up the driver right before it is unloaded */
virtual void Cleanup() = 0;
/** returns the number of HMDs that this driver manages that are physically connected. */
virtual uint32_t GetTrackedDeviceCount() = 0;
/** returns a single HMD */
virtual ITrackedDeviceServerDriver *GetTrackedDeviceDriver( uint32_t unWhich, const char *pchInterfaceVersion ) = 0;
/** returns a single HMD by ID */
virtual ITrackedDeviceServerDriver* FindTrackedDeviceDriver( const char *pchId, const char *pchInterfaceVersion ) = 0;
/** Allows the driver do to some work in the main loop of the server. */
virtual void RunFrame() = 0;
// ------------ Power State Functions ----------------------- //
/** Returns true if the driver wants to block Standby mode. */
virtual bool ShouldBlockStandbyMode() = 0;
/** Called when the system is entering Standby mode. The driver should switch itself into whatever sort of low-power
* state it has. */
virtual void EnterStandby() = 0;
/** Called when the system is leaving Standby mode. The driver should switch itself back to
full operation. */
virtual void LeaveStandby() = 0;
};
static const char *IServerTrackedDeviceProvider_Version = "IServerTrackedDeviceProvider_002";
/** This interface is provided by vrclient to allow the driver call back and query various information */
class IClientDriverHost
{
public:
/** Returns the device class of a tracked device. If there has not been a device connected in this slot
* since the application started this function will return TrackedDevice_Invalid. For previous detected
* devices the function will return the previously observed device class.
*
* To determine which devices exist on the system, just loop from 0 to k_unMaxTrackedDeviceCount and check
* the device class. Every device with something other than TrackedDevice_Invalid is associated with an
* actual tracked device. */
virtual ETrackedDeviceClass GetTrackedDeviceClass( vr::TrackedDeviceIndex_t unDeviceIndex ) = 0;
/** Returns true if there is a device connected in this slot. */
virtual bool IsTrackedDeviceConnected( vr::TrackedDeviceIndex_t unDeviceIndex ) = 0;
/** Returns a bool property. If the device index is not valid or the property is not a bool type this function will return false. */
virtual bool GetBoolTrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, ETrackedDeviceProperty prop, ETrackedPropertyError *pError = 0L ) = 0;
/** Returns a float property. If the device index is not valid or the property is not a float type this function will return 0. */
virtual float GetFloatTrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, ETrackedDeviceProperty prop, ETrackedPropertyError *pError = 0L ) = 0;
/** Returns an int property. If the device index is not valid or the property is not a int type this function will return 0. */
virtual int32_t GetInt32TrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, ETrackedDeviceProperty prop, ETrackedPropertyError *pError = 0L ) = 0;
/** Returns a uint64 property. If the device index is not valid or the property is not a uint64 type this function will return 0. */
virtual uint64_t GetUint64TrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, ETrackedDeviceProperty prop, ETrackedPropertyError *pError = 0L ) = 0;
/** Returns a string property. If the device index is not valid or the property is not a float type this function will
* return 0. Otherwise it returns the length of the number of bytes necessary to hold this string including the trailing
* null. Strings will generally fit in buffers of k_unTrackingStringSize characters. */
virtual uint32_t GetStringTrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, ETrackedDeviceProperty prop, char *pchValue, uint32_t unBufferSize, ETrackedPropertyError *pError = 0L ) = 0;
/** always returns a pointer to a valid interface pointer of IVRSettings */
virtual IVRSettings *GetSettings( const char *pchInterfaceVersion ) = 0;
};
/** This interface must be implemented in each driver. It will be loaded in vrclient.dll */
class IClientTrackedDeviceProvider
{
public:
/** initializes the driver. This will be called before any other methods are called,
* except BIsHmdPresent(). BIsHmdPresent is called outside of the Init/Cleanup pair.
* If Init returns anything other than VRInitError_None the driver DLL will be unloaded.
*
* pDriverHost will never be NULL, and will always be a pointer to a IClientDriverHost interface
*
* pchUserDriverConfigDir - The absolute path of the directory where the driver should store user
* config files.
* pchDriverInstallDir - The absolute path of the root directory for the driver.
*/
virtual EVRInitError Init( IDriverLog *pDriverLog, vr::IClientDriverHost *pDriverHost, const char *pchUserDriverConfigDir, const char *pchDriverInstallDir ) = 0;
/** cleans up the driver right before it is unloaded */
virtual void Cleanup() = 0;
/** Called when the client needs to inform an application if an HMD is attached that uses
* this driver. This method should be as lightweight as possible and should have no side effects
* such as hooking process functions or leaving resources loaded. Init will not be called before
* this method and Cleanup will not be called after it.
*/
virtual bool BIsHmdPresent( const char *pchUserConfigDir ) = 0;
/** called when the client inits an HMD to let the client driver know which one is in use */
virtual EVRInitError SetDisplayId( const char *pchDisplayId ) = 0;
/** Returns the stencil mesh information for the current HMD. If this HMD does not have a stencil mesh the vertex data and count will be
* NULL and 0 respectively. This mesh is meant to be rendered into the stencil buffer (or into the depth buffer setting nearz) before rendering
* each eye's view. The pixels covered by this mesh will never be seen by the user after the lens distortion is applied and based on visibility to the panels.
* This will improve perf by letting the GPU early-reject pixels the user will never see before running the pixel shader.
* NOTE: Render this mesh with backface culling disabled since the winding order of the vertices can be different per-HMD or per-eye.
*/
virtual HiddenAreaMesh_t GetHiddenAreaMesh( EVREye eEye ) = 0;
/** Get the MC image for the current HMD.
* Returns the size in bytes of the buffer required to hold the specified resource. */
virtual uint32_t GetMCImage( uint32_t *pImgWidth, uint32_t *pImgHeight, uint32_t *pChannels, void *pDataBuffer, uint32_t unBufferLen ) = 0;
};
static const char *IClientTrackedDeviceProvider_Version = "IClientTrackedDeviceProvider_003";
}// End
#endif // _OPENVR_DRIVER_API
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