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Proton/vrclient_x64/openvr_v0.9.12/openvr.h
Andrew Eikum a89b44235a Add vrclient
2018-01-18 13:29:49 -06:00

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// openvr.h
//========= Copyright Valve Corporation ============//
// Dynamically generated file. Do not modify this file directly.
#ifndef _OPENVR_API
#define _OPENVR_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
// 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 ];
};
/** 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 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,
// 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_String = 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,
// 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,
// 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_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_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_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_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_StatusUpdate = 900,
VREvent_MCImageUpdated = 1000,
VREvent_FirmwareUpdateStarted = 1100,
VREvent_FirmwareUpdateFinished = 1101,
VREvent_KeyboardClosed = 1200,
VREvent_KeyboardCharInput = 1201,
VREvent_ApplicationTransitionStarted = 1300,
VREvent_ApplicationTransitionAborted = 1301,
VREvent_ApplicationTransitionNewAppStarted = 1302,
VREvent_Compositor_MirrorWindowShown = 1400,
VREvent_Compositor_MirrorWindowHidden = 1401,
VREvent_TrackedCamera_StartVideoStream = 1500,
VREvent_TrackedCamera_StopVideoStream = 1501,
VREvent_TrackedCamera_PauseVideoStream = 1502,
VREvent_TrackedCamera_ResumeVideoStream = 1503,
// 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,
};
/** 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
{
EVRButtonId button;
};
/** 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;
EVRMouseButton button;
};
/** 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
{
EVRState statusState;
};
/** 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. It is just used to reserve
* space in the union for future event types */
struct VREvent_Reserved_t
{
uint64_t reserved0;
uint64_t reserved1;
};
/** 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_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_Data_t;
/** An event posted by the server to all running applications */
struct VREvent_t
{
EVREventType eventType;
TrackedDeviceIndex_t trackedDeviceIndex;
VREvent_Data_t data;
float eventAgeSeconds;
};
/** 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.
};
/** 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,
};
/** 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_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_VendorSpecific_UnableToConnectToOculusRuntime = 1000,
VRInitError_VendorSpecific_HmdFound_But = 1100,
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_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
// vrannotation.h
#ifdef __clang__
# define VR_CLANG_ATTR(ATTR) __attribute__((annotate( ATTR )))
#else
# define VR_CLANG_ATTR(ATTR)
#endif
#define VR_METHOD_DESC(DESC) VR_CLANG_ATTR( "desc:" #DESC ";" )
#define VR_IGNOREATTR() VR_CLANG_ATTR( "ignore" )
#define VR_OUT_STRUCT() VR_CLANG_ATTR( "out_struct: ;" )
#define VR_OUT_STRING() VR_CLANG_ATTR( "out_string: ;" )
#define VR_OUT_ARRAY_CALL(COUNTER,FUNCTION,PARAMS) VR_CLANG_ATTR( "out_array_call:" #COUNTER "," #FUNCTION "," #PARAMS ";" )
#define VR_OUT_ARRAY_COUNT(COUNTER) VR_CLANG_ATTR( "out_array_count:" #COUNTER ";" )
#define VR_ARRAY_COUNT(COUNTER) VR_CLANG_ATTR( "array_count:" #COUNTER ";" )
#define VR_ARRAY_COUNT_D(COUNTER, DESC) VR_CLANG_ATTR( "array_count:" #COUNTER ";desc:" #DESC )
#define VR_BUFFER_COUNT(COUNTER) VR_CLANG_ATTR( "buffer_count:" #COUNTER ";" )
#define VR_OUT_BUFFER_COUNT(COUNTER) VR_CLANG_ATTR( "out_buffer_count:" #COUNTER ";" )
#define VR_OUT_STRING_COUNT(COUNTER) VR_CLANG_ATTR( "out_string_count:" #COUNTER ";" )
// 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
};
#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_nFrameSequence; // Starts from 0 when stream starts.
uint32_t m_nTimeStamp; // Driver provided time stamp per driver centric time base
uint32_t m_nBufferIndex; // Identifies which buffer the image data is hosted
uint32_t m_nBufferCount; // Total number of configured buffers
uint32_t m_nImageDataSize; // Based on stream format, width, height
double m_flFrameElapsedTime; // Starts from 0 when stream starts. In seconds.
double m_flFrameCaptureTime; // 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
// ivrsystem.h
namespace vr
{
class IVRSystem
{
public:
// ------------------------------------
// Display Methods
// ------------------------------------
/** Suggested size for the intermediate render target that the distortion pulls from. */
virtual void GetRecommendedRenderTargetSize( uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
/** The projection matrix for the specified eye */
virtual HmdMatrix44_t GetProjectionMatrix( EVREye eEye, float fNearZ, float fFarZ, EGraphicsAPIConvention eProjType ) = 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;
/** Returns the transform from eye space to the head space. Eye space is the per-eye flavor of head
* space that provides stereo disparity. Instead of Model * View * Projection the sequence is Model * View * Eye^-1 * Projection.
* Normally View and Eye^-1 will be multiplied together and treated as View in your application.
*/
virtual HmdMatrix34_t GetEyeToHeadTransform( EVREye eEye ) = 0;
/** Returns the number of elapsed seconds since the last recorded vsync event. This
* will come from a vsync timer event in the timer if possible or from the application-reported
* time if that is not available. If no vsync times are available the function will
* return zero for vsync time and frame counter and return false from the method. */
virtual bool GetTimeSinceLastVsync( float *pfSecondsSinceLastVsync, uint64_t *pulFrameCounter ) = 0;
/** [D3D9 Only]
* Returns the adapter index that the user should pass into CreateDevice to set up D3D9 in such
* a way that it can go full screen exclusive on the HMD. Returns -1 if there was an error.
*/
virtual int32_t GetD3D9AdapterIndex() = 0;
/** [D3D10/11 Only]
* Returns the adapter index and output index that the user should pass into EnumAdapters and EnumOutputs
* to create the device and swap chain in DX10 and DX11. If an error occurs both indices will be set to -1.
*/
virtual void GetDXGIOutputInfo( int32_t *pnAdapterIndex ) = 0;
// ------------------------------------
// Display Mode methods
// ------------------------------------
/** Use to determine if the headset display is part of the desktop (i.e. extended) or hidden (i.e. direct mode). */
virtual bool IsDisplayOnDesktop() = 0;
/** Set the display visibility (true = extended, false = direct mode). Return value of true indicates that the change was successful. */
virtual bool SetDisplayVisibility( bool bIsVisibleOnDesktop ) = 0;
// ------------------------------------
// Tracking Methods
// ------------------------------------
/** The pose that the tracker thinks that the HMD will be in at the specified number of seconds into the
* future. Pass 0 to get the state at the instant the method is called. Most of the time the application should
* calculate the time until the photons will be emitted from the display and pass that time into the method.
*
* This is roughly analogous to the inverse of the view matrix in most applications, though
* many games will need to do some additional rotation or translation on top of the rotation
* and translation provided by the head pose.
*
* For devices where bPoseIsValid is true the application can use the pose to position the device
* in question. The provided array can be any size up to k_unMaxTrackedDeviceCount.
*
* Seated experiences should call this method with TrackingUniverseSeated and receive poses relative
* to the seated zero pose. Standing experiences should call this method with TrackingUniverseStanding
* and receive poses relative to the Chaperone Play Area. TrackingUniverseRawAndUncalibrated should
* probably not be used unless the application is the Chaperone calibration tool itself, but will provide
* poses relative to the hardware-specific coordinate system in the driver.
*/
virtual void GetDeviceToAbsoluteTrackingPose( ETrackingUniverseOrigin eOrigin, float fPredictedSecondsToPhotonsFromNow, VR_ARRAY_COUNT(unTrackedDevicePoseArrayCount) TrackedDevicePose_t *pTrackedDevicePoseArray, uint32_t unTrackedDevicePoseArrayCount ) = 0;
/** Sets the zero pose for the seated tracker coordinate system to the current position and yaw of the HMD. After
* ResetSeatedZeroPose all GetDeviceToAbsoluteTrackingPose calls that pass TrackingUniverseSeated as the origin
* will be relative to this new zero pose. The new zero coordinate system will not change the fact that the Y axis
* is up in the real world, so the next pose returned from GetDeviceToAbsoluteTrackingPose after a call to
* ResetSeatedZeroPose may not be exactly an identity matrix.
*
* NOTE: This function overrides the user's previously saved seated zero pose and should only be called as the result of a user action.
* Users are also able to set their seated zero pose via the OpenVR Dashboard.
**/
virtual void ResetSeatedZeroPose() = 0;
/** Returns the transform from the seated zero pose to the standing absolute tracking system. This allows
* applications to represent the seated origin to used or transform object positions from one coordinate
* system to the other.
*
* The seated origin may or may not be inside the Play Area or Collision Bounds returned by IVRChaperone. Its position
* depends on what the user has set from the Dashboard settings and previous calls to ResetSeatedZeroPose. */
virtual HmdMatrix34_t GetSeatedZeroPoseToStandingAbsoluteTrackingPose() = 0;
/** Returns the transform from the tracking origin to the standing absolute tracking system. This allows
* applications to convert from raw tracking space to the calibrated standing coordinate system. */
virtual HmdMatrix34_t GetRawZeroPoseToStandingAbsoluteTrackingPose() = 0;
/** Get a sorted array of device indices of a given class of tracked devices (e.g. controllers). Devices are sorted right to left
* relative to the specified tracked device (default: hmd -- pass in -1 for absolute tracking space). Returns the number of devices
* in the list, or the size of the array needed if not large enough. */
virtual uint32_t GetSortedTrackedDeviceIndicesOfClass( ETrackedDeviceClass eTrackedDeviceClass, VR_ARRAY_COUNT(unTrackedDeviceIndexArrayCount) vr::TrackedDeviceIndex_t *punTrackedDeviceIndexArray, uint32_t unTrackedDeviceIndexArrayCount, vr::TrackedDeviceIndex_t unRelativeToTrackedDeviceIndex = k_unTrackedDeviceIndex_Hmd ) = 0;
/** Returns the level of activity on the HMD. */
virtual EDeviceActivityLevel GetTrackedDeviceActivityLevel( vr::TrackedDeviceIndex_t unDeviceId ) = 0;
/** Convenience utility to apply the specified transform to the specified pose.
* This properly transforms all pose components, including velocity and angular velocity
*/
virtual void ApplyTransform( TrackedDevicePose_t *pOutputPose, const TrackedDevicePose_t *pTrackedDevicePose, const HmdMatrix34_t *pTransform ) = 0;
// ------------------------------------
// Property methods
// ------------------------------------
/** 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 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( 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 string 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, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize, ETrackedPropertyError *pError = 0L ) = 0;
/** returns a string that corresponds with the specified property error. The string will be the name
* of the error enum value for all valid error codes */
virtual const char *GetPropErrorNameFromEnum( ETrackedPropertyError error ) = 0;
// ------------------------------------
// Event methods
// ------------------------------------
/** Returns true and fills the event with the next event on the queue if there is one. If there are no events
* this method returns false */
virtual bool PollNextEvent( VREvent_t *pEvent ) = 0;
/** Returns true and fills the event with the next event on the queue if there is one. If there are no events
* this method returns false. Fills in the pose of the associated tracked device in the provided pose struct.
* This pose will always be older than the call to this function and should not be used to render the device. */
virtual bool PollNextEventWithPose( ETrackingUniverseOrigin eOrigin, vr::VREvent_t *pEvent, vr::TrackedDevicePose_t *pTrackedDevicePose ) = 0;
/** returns the name of an EVREvent enum value */
virtual const char *GetEventTypeNameFromEnum( EVREventType eType ) = 0;
// ------------------------------------
// Rendering helper methods
// ------------------------------------
/** 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;
// ------------------------------------
// Controller methods
// ------------------------------------
/** Fills the supplied struct with the current state of the controller. Returns false if the controller index
* is invalid. */
virtual bool GetControllerState( vr::TrackedDeviceIndex_t unControllerDeviceIndex, vr::VRControllerState_t *pControllerState ) = 0;
/** fills the supplied struct with the current state of the controller and the provided pose with the pose of
* the controller when the controller state was updated most recently. Use this form if you need a precise controller
* pose as input to your application when the user presses or releases a button. */
virtual bool GetControllerStateWithPose( ETrackingUniverseOrigin eOrigin, vr::TrackedDeviceIndex_t unControllerDeviceIndex, vr::VRControllerState_t *pControllerState, TrackedDevicePose_t *pTrackedDevicePose ) = 0;
/** Trigger a single haptic pulse on a controller. After this call the application may not trigger another haptic pulse on this controller
* and axis combination for 5ms. */
virtual void TriggerHapticPulse( vr::TrackedDeviceIndex_t unControllerDeviceIndex, uint32_t unAxisId, unsigned short usDurationMicroSec ) = 0;
/** returns the name of an EVRButtonId enum value */
virtual const char *GetButtonIdNameFromEnum( EVRButtonId eButtonId ) = 0;
/** returns the name of an EVRControllerAxisType enum value */
virtual const char *GetControllerAxisTypeNameFromEnum( EVRControllerAxisType eAxisType ) = 0;
/** Tells OpenVR that this process wants exclusive access to controller button states and button events. Other apps will be notified that
* they have lost input focus with a VREvent_InputFocusCaptured event. Returns false if input focus could not be captured for
* some reason. */
virtual bool CaptureInputFocus() = 0;
/** Tells OpenVR that this process no longer wants exclusive access to button states and button events. Other apps will be notified
* that input focus has been released with a VREvent_InputFocusReleased event. */
virtual void ReleaseInputFocus() = 0;
/** Returns true if input focus is captured by another process. */
virtual bool IsInputFocusCapturedByAnotherProcess() = 0;
// ------------------------------------
// Debug Methods
// ------------------------------------
/** Sends a request to the driver for the specified device and returns the response. The maximum response size is 32k,
* but this method can be called with a smaller buffer. If the response exceeds the size of the buffer, it is truncated.
* The size of the response including its terminating null is returned. */
virtual uint32_t DriverDebugRequest( vr::TrackedDeviceIndex_t unDeviceIndex, const char *pchRequest, char *pchResponseBuffer, uint32_t unResponseBufferSize ) = 0;
// ------------------------------------
// Firmware methods
// ------------------------------------
/** Performs the actual firmware update if applicable.
* The following events will be sent, if VRFirmwareError_None was returned: VREvent_FirmwareUpdateStarted, VREvent_FirmwareUpdateFinished
* Use the properties Prop_Firmware_UpdateAvailable_Bool, Prop_Firmware_ManualUpdate_Bool, and Prop_Firmware_ManualUpdateURL_String
* to figure our whether a firmware update is available, and to figure out whether its a manual update
* Prop_Firmware_ManualUpdateURL_String should point to an URL describing the manual update process */
virtual vr::EVRFirmwareError PerformFirmwareUpdate( vr::TrackedDeviceIndex_t unDeviceIndex ) = 0;
// ------------------------------------
// Application life cycle methods
// ------------------------------------
/** Call this to acknowledge to the system that VREvent_Quit has been received and that the process is exiting.
* This extends the timeout until the process is killed. */
virtual void AcknowledgeQuit_Exiting() = 0;
/** Call this to tell the system that the user is being prompted to save data. This
* halts the timeout and dismisses the dashboard (if it was up). Applications should be sure to actually
* prompt the user to save and then exit afterward, otherwise the user will be left in a confusing state. */
virtual void AcknowledgeQuit_UserPrompt() = 0;
};
static const char * const IVRSystem_Version = "IVRSystem_009";
}
// ivrapplications.h
namespace vr
{
/** Used for all errors reported by the IVRApplications interface */
enum EVRApplicationError
{
VRApplicationError_None = 0,
VRApplicationError_AppKeyAlreadyExists = 100, // Only one application can use any given key
VRApplicationError_NoManifest = 101, // the running application does not have a manifest
VRApplicationError_NoApplication = 102, // No application is running
VRApplicationError_InvalidIndex = 103,
VRApplicationError_UnknownApplication = 104, // the application could not be found
VRApplicationError_IPCFailed = 105, // An IPC failure caused the request to fail
VRApplicationError_ApplicationAlreadyRunning = 106,
VRApplicationError_InvalidManifest = 107,
VRApplicationError_InvalidApplication = 108,
VRApplicationError_LaunchFailed = 109, // the process didn't start
VRApplicationError_ApplicationAlreadyStarting = 110, // the system was already starting the same application
VRApplicationError_LaunchInProgress = 111, // The system was already starting a different application
VRApplicationError_OldApplicationQuitting = 112,
VRApplicationError_TransitionAborted = 113,
VRApplicationError_BufferTooSmall = 200, // The provided buffer was too small to fit the requested data
VRApplicationError_PropertyNotSet = 201, // The requested property was not set
VRApplicationError_UnknownProperty = 202,
};
/** The maximum length of an application key */
static const uint32_t k_unMaxApplicationKeyLength = 128;
/** these are the properties available on applications. */
enum EVRApplicationProperty
{
VRApplicationProperty_Name_String = 0,
VRApplicationProperty_LaunchType_String = 11,
VRApplicationProperty_WorkingDirectory_String = 12,
VRApplicationProperty_BinaryPath_String = 13,
VRApplicationProperty_Arguments_String = 14,
VRApplicationProperty_URL_String = 15,
VRApplicationProperty_Description_String = 50,
VRApplicationProperty_NewsURL_String = 51,
VRApplicationProperty_ImagePath_String = 52,
VRApplicationProperty_Source_String = 53,
VRApplicationProperty_IsDashboardOverlay_Bool = 60,
};
/** These are states the scene application startup process will go through. */
enum EVRApplicationTransitionState
{
VRApplicationTransition_None = 0,
VRApplicationTransition_OldAppQuitSent = 10,
VRApplicationTransition_WaitingForExternalLaunch = 11,
VRApplicationTransition_NewAppLaunched = 20,
};
class IVRApplications
{
public:
// --------------- Application management --------------- //
/** Adds an application manifest to the list to load when building the list of installed applications.
* Temporary manifests are not automatically loaded */
virtual EVRApplicationError AddApplicationManifest( const char *pchApplicationManifestFullPath, bool bTemporary = false ) = 0;
/** Removes an application manifest from the list to load when building the list of installed applications. */
virtual EVRApplicationError RemoveApplicationManifest( const char *pchApplicationManifestFullPath ) = 0;
/** Returns true if an application is installed */
virtual bool IsApplicationInstalled( const char *pchAppKey ) = 0;
/** Returns the number of applications available in the list */
virtual uint32_t GetApplicationCount() = 0;
/** Returns the key of the specified application. The index is at least 0 and is less than the return
* value of GetApplicationCount(). The buffer should be at least k_unMaxApplicationKeyLength in order to
* fit the key. */
virtual EVRApplicationError GetApplicationKeyByIndex( uint32_t unApplicationIndex, char *pchAppKeyBuffer, uint32_t unAppKeyBufferLen ) = 0;
/** Returns the key of the application for the specified Process Id. The buffer should be at least
* k_unMaxApplicationKeyLength in order to fit the key. */
virtual EVRApplicationError GetApplicationKeyByProcessId( uint32_t unProcessId, char *pchAppKeyBuffer, uint32_t unAppKeyBufferLen ) = 0;
/** Launches the application. The existing scene application will exit and then the new application will start.
* This call is not valid for dashboard overlay applications. */
virtual EVRApplicationError LaunchApplication( const char *pchAppKey ) = 0;
/** Launches the dashboard overlay application if it is not already running. This call is only valid for
* dashboard overlay applications. */
virtual EVRApplicationError LaunchDashboardOverlay( const char *pchAppKey ) = 0;
/** Identifies a running application. OpenVR can't always tell which process started in response
* to a URL. This function allows a URL handler (or the process itself) to identify the app key
* for the now running application. Passing a process ID of 0 identifies the calling process.
* The application must be one that's known to the system via a call to AddApplicationManifest. */
virtual EVRApplicationError IdentifyApplication( uint32_t unProcessId, const char *pchAppKey ) = 0;
/** Returns the process ID for an application. Return 0 if the application was not found or is not running. */
virtual uint32_t GetApplicationProcessId( const char *pchAppKey ) = 0;
/** Returns a string for an applications error */
virtual const char *GetApplicationsErrorNameFromEnum( EVRApplicationError error ) = 0;
// --------------- Application properties --------------- //
/** Returns a value for an application property. The required buffer size to fit this value will be returned. */
virtual uint32_t GetApplicationPropertyString( const char *pchAppKey, EVRApplicationProperty eProperty, char *pchPropertyValueBuffer, uint32_t unPropertyValueBufferLen, EVRApplicationError *peError = nullptr ) = 0;
/** Returns a value for an application property. The required buffer size to fit this value will be returned. */
virtual bool GetApplicationPropertyBool( const char *pchAppKey, EVRApplicationProperty eProperty, EVRApplicationError *peError = nullptr ) = 0;
/** Sets the application auto-launch flag. This is only valid for applications which return true for VRApplicationProperty_IsDashboardOverlay_Bool. */
virtual EVRApplicationError SetApplicationAutoLaunch( const char *pchAppKey, bool bAutoLaunch ) = 0;
/** Gets the application auto-launch flag. This is only valid for applications which return true for VRApplicationProperty_IsDashboardOverlay_Bool. */
virtual bool GetApplicationAutoLaunch( const char *pchAppKey ) = 0;
// --------------- Transition methods --------------- //
/** Returns the app key for the application that is starting up */
virtual EVRApplicationError GetStartingApplication( char *pchAppKeyBuffer, uint32_t unAppKeyBufferLen ) = 0;
/** Returns the application transition state */
virtual EVRApplicationTransitionState GetTransitionState() = 0;
/** Returns errors that would prevent the specified application from launching immediately. Calling this function will
* cause the current scene application to quit, so only call it when you are actually about to launch something else.
* What the caller should do about these failures depends on the failure:
* VRApplicationError_OldApplicationQuitting - An existing application has been told to quit. Wait for a VREvent_ProcessQuit
* and try again.
* VRApplicationError_ApplicationAlreadyStarting - This application is already starting. This is a permanent failure.
* VRApplicationError_LaunchInProgress - A different application is already starting. This is a permanent failure.
* VRApplicationError_None - Go ahead and launch. Everything is clear.
*/
virtual EVRApplicationError PerformApplicationPrelaunchCheck( const char *pchAppKey ) = 0;
/** Returns a string for an application transition state */
virtual const char *GetApplicationsTransitionStateNameFromEnum( EVRApplicationTransitionState state ) = 0;
/** Returns true if the outgoing scene app has requested a save prompt before exiting */
virtual bool IsQuitUserPromptRequested() = 0;
};
static const char * const IVRApplications_Version = "IVRApplications_002";
/** Returns the current IVRApplications pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRApplications *VR_CALLTYPE VRApplications();
} // namespace vr
// 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;
virtual void Sync( 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;
};
//-----------------------------------------------------------------------------
// 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_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_ActivateMultipleDrivers_Bool = "activateMultipleDrivers";
//-----------------------------------------------------------------------------
// 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_Id_String = "id";
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";
//-----------------------------------------------------------------------------
// notification keys
static const char * const k_pch_Notifications_Section = "notifications";
static const char * const k_pch_Notifications_DoNotDisturb_Bool = "DoNotDisturb";
//-----------------------------------------------------------------------------
// 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 IVRSettings_Version = "IVRSettings_001";
/** Returns the current IVRSettings pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRSettings *VR_CALLTYPE VRSettings();
} // namespace vr
// ivrchaperone.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 ChaperoneCalibrationState
{
// OK!
ChaperoneCalibrationState_OK = 1, // Chaperone is fully calibrated and working correctly
// Warnings
ChaperoneCalibrationState_Warning = 100,
ChaperoneCalibrationState_Warning_BaseStationMayHaveMoved = 101, // A base station thinks that it might have moved
ChaperoneCalibrationState_Warning_BaseStationRemoved = 102, // There are less base stations than when calibrated
ChaperoneCalibrationState_Warning_SeatedBoundsInvalid = 103, // Seated bounds haven't been calibrated for the current tracking center
// Errors
ChaperoneCalibrationState_Error = 200,
ChaperoneCalibrationState_Error_BaseStationUninitalized = 201, // Tracking center hasn't be calibrated for at least one of the base stations
ChaperoneCalibrationState_Error_BaseStationConflict = 202, // Tracking center is calibrated, but base stations disagree on the tracking space
ChaperoneCalibrationState_Error_PlayAreaInvalid = 203, // Play Area hasn't been calibrated for the current tracking center
ChaperoneCalibrationState_Error_CollisionBoundsInvalid = 204, // Collision Bounds haven't been calibrated for the current tracking center
};
/** HIGH LEVEL TRACKING SPACE ASSUMPTIONS:
* 0,0,0 is the preferred standing area center.
* 0Y is the floor height.
* -Z is the preferred forward facing direction. */
class IVRChaperone
{
public:
/** Get the current state of Chaperone calibration. This state can change at any time during a session due to physical base station changes. **/
virtual ChaperoneCalibrationState GetCalibrationState() = 0;
/** Returns the width and depth of the Play Area (formerly named Soft Bounds) in X and Z.
* Tracking space center (0,0,0) is the center of the Play Area. **/
virtual bool GetPlayAreaSize( float *pSizeX, float *pSizeZ ) = 0;
/** Returns the 4 corner positions of the Play Area (formerly named Soft Bounds).
* Corners are in counter-clockwise order.
* Standing center (0,0,0) is the center of the Play Area.
* It's a rectangle.
* 2 sides are parallel to the X axis and 2 sides are parallel to the Z axis.
* Height of every corner is 0Y (on the floor). **/
virtual bool GetPlayAreaRect( HmdQuad_t *rect ) = 0;
/** Reload Chaperone data from the .vrchap file on disk. */
virtual void ReloadInfo( void ) = 0;
/** Optionally give the chaperone system a hit about the color and brightness in the scene **/
virtual void SetSceneColor( HmdColor_t color ) = 0;
/** Get the current chaperone bounds draw color and brightness **/
virtual void GetBoundsColor( HmdColor_t *pOutputColorArray, int nNumOutputColors, float flCollisionBoundsFadeDistance ) = 0;
/** Determine whether the bounds are showing right now **/
virtual bool AreBoundsVisible() = 0;
/** Force the bounds to show, mostly for utilities **/
virtual void ForceBoundsVisible( bool bForce ) = 0;
};
static const char * const IVRChaperone_Version = "IVRChaperone_003";
#pragma pack( pop )
}
// ivrchaperonesetup.h
namespace vr
{
enum EChaperoneConfigFile
{
EChaperoneConfigFile_Live = 1, // The live chaperone config, used by most applications and games
EChaperoneConfigFile_Temp = 2, // The temporary chaperone config, used to live-preview collision bounds in room setup
};
/** Manages the working copy of the chaperone info. By default this will be the same as the
* live copy. Any changes made with this interface will stay in the working copy until
* CommitWorkingCopy() is called, at which point the working copy and the live copy will be
* the same again. */
class IVRChaperoneSetup
{
public:
/** Saves the current working copy to disk */
virtual bool CommitWorkingCopy( EChaperoneConfigFile configFile ) = 0;
/** Reverts the working copy to match the live chaperone calibration.
* To modify existing data this MUST be do WHILE getting a non-error ChaperoneCalibrationStatus.
* Only after this should you do gets and sets on the existing data. */
virtual void RevertWorkingCopy() = 0;
/** Returns the width and depth of the Play Area (formerly named Soft Bounds) in X and Z from the working copy.
* Tracking space center (0,0,0) is the center of the Play Area. */
virtual bool GetWorkingPlayAreaSize( float *pSizeX, float *pSizeZ ) = 0;
/** Returns the 4 corner positions of the Play Area (formerly named Soft Bounds) from the working copy.
* Corners are in clockwise order.
* Tracking space center (0,0,0) is the center of the Play Area.
* It's a rectangle.
* 2 sides are parallel to the X axis and 2 sides are parallel to the Z axis.
* Height of every corner is 0Y (on the floor). **/
virtual bool GetWorkingPlayAreaRect( HmdQuad_t *rect ) = 0;
/** Returns the number of Quads if the buffer points to null. Otherwise it returns Quads
* into the buffer up to the max specified from the working copy. */
virtual bool GetWorkingCollisionBoundsInfo( VR_OUT_ARRAY_COUNT(punQuadsCount) HmdQuad_t *pQuadsBuffer, uint32_t* punQuadsCount ) = 0;
/** Returns the number of Quads if the buffer points to null. Otherwise it returns Quads
* into the buffer up to the max specified. */
virtual bool GetLiveCollisionBoundsInfo( VR_OUT_ARRAY_COUNT(punQuadsCount) HmdQuad_t *pQuadsBuffer, uint32_t* punQuadsCount ) = 0;
/** Returns the preferred seated position from the working copy. */
virtual bool GetWorkingSeatedZeroPoseToRawTrackingPose( HmdMatrix34_t *pmatSeatedZeroPoseToRawTrackingPose ) = 0;
/** Returns the standing origin from the working copy. */
virtual bool GetWorkingStandingZeroPoseToRawTrackingPose( HmdMatrix34_t *pmatStandingZeroPoseToRawTrackingPose ) = 0;
/** Sets the Play Area in the working copy. */
virtual void SetWorkingPlayAreaSize( float sizeX, float sizeZ ) = 0;
/** Sets the Collision Bounds in the working copy. */
virtual void SetWorkingCollisionBoundsInfo( VR_ARRAY_COUNT(unQuadsCount) HmdQuad_t *pQuadsBuffer, uint32_t unQuadsCount ) = 0;
/** Sets the preferred seated position in the working copy. */
virtual void SetWorkingSeatedZeroPoseToRawTrackingPose( const HmdMatrix34_t *pMatSeatedZeroPoseToRawTrackingPose ) = 0;
/** Sets the preferred standing position in the working copy. */
virtual void SetWorkingStandingZeroPoseToRawTrackingPose( const HmdMatrix34_t *pMatStandingZeroPoseToRawTrackingPose ) = 0;
/** Tear everything down and reload it from the file on disk */
virtual void ReloadFromDisk( EChaperoneConfigFile configFile ) = 0;
/** Returns the preferred seated position. */
virtual bool GetLiveSeatedZeroPoseToRawTrackingPose( HmdMatrix34_t *pmatSeatedZeroPoseToRawTrackingPose ) = 0;
};
static const char * const IVRChaperoneSetup_Version = "IVRChaperoneSetup_004";
}
// ivrcompositor.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
/** Errors that can occur with the VR compositor */
enum EVRCompositorError
{
VRCompositorError_None = 0,
VRCompositorError_IncompatibleVersion = 100,
VRCompositorError_DoNotHaveFocus = 101,
VRCompositorError_InvalidTexture = 102,
VRCompositorError_IsNotSceneApplication = 103,
VRCompositorError_TextureIsOnWrongDevice = 104,
VRCompositorError_TextureUsesUnsupportedFormat = 105,
};
/** Provides a single frame's timing information to the app */
struct Compositor_FrameTiming
{
uint32_t size; // sizeof(Compositor_FrameTiming)
double frameStart;
float frameVSync; // seconds from frame start
uint32_t droppedFrames;
uint32_t frameIndex;
vr::TrackedDevicePose_t pose;
float prediction;
float m_flFrameIntervalMs;
float m_flSceneRenderCpuMs;
float m_flSceneRenderGpuMs;
float m_flCompositorRenderCpuMs;
float m_flCompositorRenderGpuMs;
float m_flPresentCallCpuMs;
float m_flRunningStartMs;
float m_flHandoffStartMs;
float m_flHandoffEndMs;
};
#pragma pack( pop )
/** Allows the application to interact with the compositor */
class IVRCompositor
{
public:
/** Sets tracking space returned by WaitGetPoses */
virtual void SetTrackingSpace( ETrackingUniverseOrigin eOrigin ) = 0;
/** Gets current tracking space returned by WaitGetPoses */
virtual ETrackingUniverseOrigin GetTrackingSpace() = 0;
/** Returns pose(s) to use to render scene (and optionally poses predicted two frames out for gameplay). */
virtual EVRCompositorError WaitGetPoses( VR_ARRAY_COUNT(unRenderPoseArrayCount) TrackedDevicePose_t* pRenderPoseArray, uint32_t unRenderPoseArrayCount,
VR_ARRAY_COUNT(unGamePoseArrayCount) TrackedDevicePose_t* pGamePoseArray, uint32_t unGamePoseArrayCount ) = 0;
/** Get the last set of poses returned by WaitGetPoses. */
virtual EVRCompositorError GetLastPoses( VR_ARRAY_COUNT( unRenderPoseArrayCount ) TrackedDevicePose_t* pRenderPoseArray, uint32_t unRenderPoseArrayCount,
VR_ARRAY_COUNT( unGamePoseArrayCount ) TrackedDevicePose_t* pGamePoseArray, uint32_t unGamePoseArrayCount ) = 0;
/** Updated scene texture to display. If pBounds is NULL the entire texture will be used. If called from an OpenGL app, consider adding a glFlush after
* Submitting both frames to signal the driver to start processing, otherwise it may wait until the command buffer fills up, causing the app to miss frames.
*
* OpenGL dirty state:
* glBindTexture
*/
virtual EVRCompositorError Submit( EVREye eEye, const Texture_t *pTexture, const VRTextureBounds_t* pBounds = 0, EVRSubmitFlags nSubmitFlags = Submit_Default ) = 0;
/** Clears the frame that was sent with the last call to Submit. This will cause the
* compositor to show the grid until Submit is called again. */
virtual void ClearLastSubmittedFrame() = 0;
/** Call immediately after presenting your app's window (i.e. companion window) to unblock the compositor.
* This is an optional call, which only needs to be used if you can't instead call WaitGetPoses immediately after Present.
* For example, if your engine's render and game loop are not on separate threads, or blocking the render thread until 3ms before the next vsync would
* introduce a deadlock of some sort. This function tells the compositor that you have finished all rendering after having Submitted buffers for both
* eyes, and it is free to start its rendering work. This should only be called from the same thread you are rendering on. */
virtual void PostPresentHandoff() = 0;
/** Returns true if timing data is filled it. Sets oldest timing info if nFramesAgo is larger than the stored history.
* Be sure to set timing.size = sizeof(Compositor_FrameTiming) on struct passed in before calling this function. */
virtual bool GetFrameTiming( Compositor_FrameTiming *pTiming, uint32_t unFramesAgo = 0 ) = 0;
/** Returns the time in seconds left in the current (as identified by FrameTiming's frameIndex) frame.
* Due to "running start", this value may roll over to the next frame before ever reaching 0.0. */
virtual float GetFrameTimeRemaining() = 0;
/** Fades the view on the HMD to the specified color. The fade will take fSeconds, and the color values are between
* 0.0 and 1.0. This color is faded on top of the scene based on the alpha parameter. Removing the fade color instantly
* would be FadeToColor( 0.0, 0.0, 0.0, 0.0, 0.0 ). Values are in un-premultiplied alpha space. */
virtual void FadeToColor( float fSeconds, float fRed, float fGreen, float fBlue, float fAlpha, bool bBackground = false ) = 0;
/** Fading the Grid in or out in fSeconds */
virtual void FadeGrid( float fSeconds, bool bFadeIn ) = 0;
/** Override the skybox used in the compositor (e.g. for during level loads when the app can't feed scene images fast enough)
* Order is Front, Back, Left, Right, Top, Bottom. If only a single texture is passed, it is assumed in lat-long format.
* If two are passed, it is assumed a lat-long stereo pair. */
virtual EVRCompositorError SetSkyboxOverride( VR_ARRAY_COUNT( unTextureCount ) const Texture_t *pTextures, uint32_t unTextureCount ) = 0;
/** Resets compositor skybox back to defaults. */
virtual void ClearSkyboxOverride() = 0;
/** Brings the compositor window to the front. This is useful for covering any other window that may be on the HMD
* and is obscuring the compositor window. */
virtual void CompositorBringToFront() = 0;
/** Pushes the compositor window to the back. This is useful for allowing other applications to draw directly to the HMD. */
virtual void CompositorGoToBack() = 0;
/** Tells the compositor process to clean up and exit. You do not need to call this function at shutdown. Under normal
* circumstances the compositor will manage its own life cycle based on what applications are running. */
virtual void CompositorQuit() = 0;
/** Return whether the compositor is fullscreen */
virtual bool IsFullscreen() = 0;
/** Returns the process ID of the process that is currently rendering the scene */
virtual uint32_t GetCurrentSceneFocusProcess() = 0;
/** Returns the process ID of the process that rendered the last frame (or 0 if the compositor itself rendered the frame.)
* Returns 0 when fading out from an app and the app's process Id when fading into an app. */
virtual uint32_t GetLastFrameRenderer() = 0;
/** Returns true if the current process has the scene focus */
virtual bool CanRenderScene() = 0;
/** Creates a window on the primary monitor to display what is being shown in the headset. */
virtual void ShowMirrorWindow() = 0;
/** Closes the mirror window. */
virtual void HideMirrorWindow() = 0;
/** Returns true if the mirror window is shown */
virtual bool IsMirrorWindowVisible() = 0;
/** Writes all images that the compositor knows about (including overlays) to a 'screenshots' folder in the SteamVR runtime root. */
virtual void CompositorDumpImages() = 0;
};
static const char * const IVRCompositor_Version = "IVRCompositor_009";
} // namespace vr
// ivrnotifications.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
// Used for passing graphic data
struct NotificationBitmap_t
{
void *bytes;
int32_t width;
int32_t height;
int32_t depth;
};
enum EVRNotificationType
{
/** Transient notifications are automatically hidden after a period of time set by the user.
* They are used for things like information and chat messages that do not require user interaction. */
EVRNotificationType_Transient = 0,
/** Persistent notifications are shown to the user until they are hidden by calling RemoveNotification().
* They are used for things like phone calls and alarms that require user interaction. */
EVRNotificationType_Persistent = 1,
};
enum EVRNotificationStyle
{
/** Creates a notification with minimal external styling. */
EVRNotificationStyle_None = 0,
/** Used for notifications about overlay-level status. In Steam this is used for events like downloads completing. */
EVRNotificationStyle_Application = 100,
/** Used for notifications about contacts that are unknown or not available. In Steam this is used for friend invitations and offline friends. */
EVRNotificationStyle_Contact_Disabled = 200,
/** Used for notifications about contacts that are available but inactive. In Steam this is used for friends that are online but not playing a game. */
EVRNotificationStyle_Contact_Enabled = 201,
/** Used for notifications about contacts that are available and active. In Steam this is used for friends that are online and currently running a game. */
EVRNotificationStyle_Contact_Active = 202,
};
static const uint32_t k_unNotificationTextMaxSize = 256;
typedef uint32_t VRNotificationId;
#pragma pack( pop )
/** Allows notification sources to interact with the VR system
This current interface is not yet implemented. Do not use yet. */
class IVRNotifications
{
public:
/** Create a notification and enqueue it to be shown to the user.
* An overlay handle is required to create a notification, as otherwise it would be impossible for a user to act on it.
* To create a two-line notification, use a line break ('\n') to split the text into two lines.
* The pImage argument may be NULL, in which case the specified overlay's icon will be used instead. */
virtual EVRNotificationError CreateNotification( VROverlayHandle_t ulOverlayHandle, uint64_t ulUserValue, EVRNotificationType type, const char *pchText, EVRNotificationStyle style, const NotificationBitmap_t *pImage, /* out */ VRNotificationId *pNotificationId ) = 0;
/** Destroy a notification, hiding it first if it currently shown to the user. */
virtual EVRNotificationError RemoveNotification( VRNotificationId notificationId ) = 0;
};
static const char * const IVRNotifications_Version = "IVRNotifications_002";
} // namespace vr
// ivroverlay.h
namespace vr
{
/** The maximum length of an overlay key in bytes, counting the terminating null character. */
static const uint32_t k_unVROverlayMaxKeyLength = 128;
/** The maximum length of an overlay name in bytes, counting the terminating null character. */
static const uint32_t k_unVROverlayMaxNameLength = 128;
/** The maximum number of overlays that can exist in the system at one time. */
static const uint32_t k_unMaxOverlayCount = 32;
/** Types of input supported by VR Overlays */
enum VROverlayInputMethod
{
VROverlayInputMethod_None = 0, // No input events will be generated automatically for this overlay
VROverlayInputMethod_Mouse = 1, // Tracked controllers will get mouse events automatically
};
/** Allows the caller to figure out which overlay transform getter to call. */
enum VROverlayTransformType
{
VROverlayTransform_Absolute = 0,
VROverlayTransform_TrackedDeviceRelative = 1,
VROverlayTransform_SystemOverlay = 2,
};
/** Overlay control settings */
enum VROverlayFlags
{
VROverlayFlags_None = 0,
// The following only take effect when rendered using the high quality render path (see SetHighQualityOverlay).
VROverlayFlags_Curved = 1,
VROverlayFlags_RGSS4X = 2,
// Set this flag on a dashboard overlay to prevent a tab from showing up for that overlay
VROverlayFlags_NoDashboardTab = 3,
// Set this flag on a dashboard that is able to deal with gamepad focus events
VROverlayFlags_AcceptsGamepadEvents = 4,
// Indicates that the overlay should dim/brighten to show gamepad focus
VROverlayFlags_ShowGamepadFocus = 5,
};
struct VROverlayIntersectionParams_t
{
HmdVector3_t vSource;
HmdVector3_t vDirection;
ETrackingUniverseOrigin eOrigin;
};
struct VROverlayIntersectionResults_t
{
HmdVector3_t vPoint;
HmdVector3_t vNormal;
HmdVector2_t vUVs;
float fDistance;
};
// Input modes for the Big Picture gamepad text entry
enum EGamepadTextInputMode
{
k_EGamepadTextInputModeNormal = 0,
k_EGamepadTextInputModePassword = 1
};
// Controls number of allowed lines for the Big Picture gamepad text entry
enum EGamepadTextInputLineMode
{
k_EGamepadTextInputLineModeSingleLine = 0,
k_EGamepadTextInputLineModeMultipleLines = 1
};
/** Directions for changing focus between overlays with the gamepad */
enum EOverlayDirection
{
OverlayDirection_Up = 0,
OverlayDirection_Down = 1,
OverlayDirection_Left = 2,
OverlayDirection_Right = 3,
OverlayDirection_Count = 4,
};
class IVROverlay
{
public:
// ---------------------------------------------
// Overlay management methods
// ---------------------------------------------
/** Finds an existing overlay with the specified key. */
virtual EVROverlayError FindOverlay( const char *pchOverlayKey, VROverlayHandle_t * pOverlayHandle ) = 0;
/** Creates a new named overlay. All overlays start hidden and with default settings. */
virtual EVROverlayError CreateOverlay( const char *pchOverlayKey, const char *pchOverlayFriendlyName, VROverlayHandle_t * pOverlayHandle ) = 0;
/** Destroys the specified overlay. When an application calls VR_Shutdown all overlays created by that app are
* automatically destroyed. */
virtual EVROverlayError DestroyOverlay( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Specify which overlay to use the high quality render path. This overlay will be composited in during the distortion pass which
* results in it drawing on top of everything else, but also at a higher quality as it samples the source texture directly rather than
* rasterizing into each eye's render texture first. Because if this, only one of these is supported at any given time. It is most useful
* for overlays that are expected to take up most of the user's view (e.g. streaming video). */
virtual EVROverlayError SetHighQualityOverlay( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Returns the overlay handle of the current overlay being rendered using the single high quality overlay render path.
* Otherwise it will return k_ulOverlayHandleInvalid. */
virtual vr::VROverlayHandle_t GetHighQualityOverlay() = 0;
/** Fills the provided buffer with the string key of the overlay. Returns the size of buffer required to store the key, including
* the terminating null character. k_unVROverlayMaxKeyLength will be enough bytes to fit the string. */
virtual uint32_t GetOverlayKey( VROverlayHandle_t ulOverlayHandle, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize, EVROverlayError *pError = 0L ) = 0;
/** Fills the provided buffer with the friendly name of the overlay. Returns the size of buffer required to store the key, including
* the terminating null character. k_unVROverlayMaxNameLength will be enough bytes to fit the string. */
virtual uint32_t GetOverlayName( VROverlayHandle_t ulOverlayHandle, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize, EVROverlayError *pError = 0L ) = 0;
/** Gets the raw image data from an overlay. Overlay image data is always returned as RGBA data, 4 bytes per pixel. If the buffer is not large enough, width and height
* will be set and VROverlayError_ArrayTooSmall is returned. */
virtual EVROverlayError GetOverlayImageData( VROverlayHandle_t ulOverlayHandle, void *pvBuffer, uint32_t unBufferSize, uint32_t *punWidth, uint32_t *punHeight ) = 0;
/** returns a string that corresponds with the specified overlay error. The string will be the name
* of the error enum value for all valid error codes */
virtual const char *GetOverlayErrorNameFromEnum( EVROverlayError error ) = 0;
// ---------------------------------------------
// Overlay rendering methods
// ---------------------------------------------
/** Specify flag setting for a given overlay */
virtual EVROverlayError SetOverlayFlag( VROverlayHandle_t ulOverlayHandle, VROverlayFlags eOverlayFlag, bool bEnabled ) = 0;
/** Sets flag setting for a given overlay */
virtual EVROverlayError GetOverlayFlag( VROverlayHandle_t ulOverlayHandle, VROverlayFlags eOverlayFlag, bool *pbEnabled ) = 0;
/** Sets the color tint of the overlay quad. Use 0.0 to 1.0 per channel. */
virtual EVROverlayError SetOverlayColor( VROverlayHandle_t ulOverlayHandle, float fRed, float fGreen, float fBlue ) = 0;
/** Gets the color tint of the overlay quad. */
virtual EVROverlayError GetOverlayColor( VROverlayHandle_t ulOverlayHandle, float *pfRed, float *pfGreen, float *pfBlue ) = 0;
/** Sets the alpha of the overlay quad. Use 1.0 for 100 percent opacity to 0.0 for 0 percent opacity. */
virtual EVROverlayError SetOverlayAlpha( VROverlayHandle_t ulOverlayHandle, float fAlpha ) = 0;
/** Gets the alpha of the overlay quad. By default overlays are rendering at 100 percent alpha (1.0). */
virtual EVROverlayError GetOverlayAlpha( VROverlayHandle_t ulOverlayHandle, float *pfAlpha ) = 0;
/** Sets the width of the overlay quad in meters. By default overlays are rendered on a quad that is 1 meter across */
virtual EVROverlayError SetOverlayWidthInMeters( VROverlayHandle_t ulOverlayHandle, float fWidthInMeters ) = 0;
/** Returns the width of the overlay quad in meters. By default overlays are rendered on a quad that is 1 meter across */
virtual EVROverlayError GetOverlayWidthInMeters( VROverlayHandle_t ulOverlayHandle, float *pfWidthInMeters ) = 0;
/** For high-quality curved overlays only, sets the distance range in meters from the overlay used to automatically curve
* the surface around the viewer. Min is distance is when the surface will be most curved. Max is when least curved. */
virtual EVROverlayError SetOverlayAutoCurveDistanceRangeInMeters( VROverlayHandle_t ulOverlayHandle, float fMinDistanceInMeters, float fMaxDistanceInMeters ) = 0;
/** For high-quality curved overlays only, gets the distance range in meters from the overlay used to automatically curve
* the surface around the viewer. Min is distance is when the surface will be most curved. Max is when least curved. */
virtual EVROverlayError GetOverlayAutoCurveDistanceRangeInMeters( VROverlayHandle_t ulOverlayHandle, float *pfMinDistanceInMeters, float *pfMaxDistanceInMeters ) = 0;
/** Sets the colorspace the overlay texture's data is in. Defaults to 'auto'.
* If the texture needs to be resolved, you should call SetOverlayTexture with the appropriate colorspace instead. */
virtual EVROverlayError SetOverlayTextureColorSpace( VROverlayHandle_t ulOverlayHandle, EColorSpace eTextureColorSpace ) = 0;
/** Gets the overlay's current colorspace setting. */
virtual EVROverlayError GetOverlayTextureColorSpace( VROverlayHandle_t ulOverlayHandle, EColorSpace *peTextureColorSpace ) = 0;
/** Sets the part of the texture to use for the overlay. UV Min is the upper left corner and UV Max is the lower right corner. */
virtual EVROverlayError SetOverlayTextureBounds( VROverlayHandle_t ulOverlayHandle, const VRTextureBounds_t *pOverlayTextureBounds ) = 0;
/** Gets the part of the texture to use for the overlay. UV Min is the upper left corner and UV Max is the lower right corner. */
virtual EVROverlayError GetOverlayTextureBounds( VROverlayHandle_t ulOverlayHandle, VRTextureBounds_t *pOverlayTextureBounds ) = 0;
/** Returns the transform type of this overlay. */
virtual EVROverlayError GetOverlayTransformType( VROverlayHandle_t ulOverlayHandle, VROverlayTransformType *peTransformType ) = 0;
/** Sets the transform to absolute tracking origin. */
virtual EVROverlayError SetOverlayTransformAbsolute( VROverlayHandle_t ulOverlayHandle, ETrackingUniverseOrigin eTrackingOrigin, const HmdMatrix34_t *pmatTrackingOriginToOverlayTransform ) = 0;
/** Gets the transform if it is absolute. Returns an error if the transform is some other type. */
virtual EVROverlayError GetOverlayTransformAbsolute( VROverlayHandle_t ulOverlayHandle, ETrackingUniverseOrigin *peTrackingOrigin, HmdMatrix34_t *pmatTrackingOriginToOverlayTransform ) = 0;
/** Sets the transform to relative to the transform of the specified tracked device. */
virtual EVROverlayError SetOverlayTransformTrackedDeviceRelative( VROverlayHandle_t ulOverlayHandle, TrackedDeviceIndex_t unTrackedDevice, const HmdMatrix34_t *pmatTrackedDeviceToOverlayTransform ) = 0;
/** Gets the transform if it is relative to a tracked device. Returns an error if the transform is some other type. */
virtual EVROverlayError GetOverlayTransformTrackedDeviceRelative( VROverlayHandle_t ulOverlayHandle, TrackedDeviceIndex_t *punTrackedDevice, HmdMatrix34_t *pmatTrackedDeviceToOverlayTransform ) = 0;
/** Shows the VR overlay. For dashboard overlays, only the Dashboard Manager is allowed to call this. */
virtual EVROverlayError ShowOverlay( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Hides the VR overlay. For dashboard overlays, only the Dashboard Manager is allowed to call this. */
virtual EVROverlayError HideOverlay( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Returns true if the overlay is visible. */
virtual bool IsOverlayVisible( VROverlayHandle_t ulOverlayHandle ) = 0;
// ---------------------------------------------
// Overlay input methods
// ---------------------------------------------
/** Returns true and fills the event with the next event on the overlay's event queue, if there is one.
* If there are no events this method returns false */
virtual bool PollNextOverlayEvent( VROverlayHandle_t ulOverlayHandle, VREvent_t *pEvent ) = 0;
/** Returns the current input settings for the specified overlay. */
virtual EVROverlayError GetOverlayInputMethod( VROverlayHandle_t ulOverlayHandle, VROverlayInputMethod *peInputMethod ) = 0;
/** Sets the input settings for the specified overlay. */
virtual EVROverlayError SetOverlayInputMethod( VROverlayHandle_t ulOverlayHandle, VROverlayInputMethod eInputMethod ) = 0;
/** Gets the mouse scaling factor that is used for mouse events. The actual texture may be a different size, but this is
* typically the size of the underlying UI in pixels. */
virtual EVROverlayError GetOverlayMouseScale( VROverlayHandle_t ulOverlayHandle, HmdVector2_t *pvecMouseScale ) = 0;
/** Sets the mouse scaling factor that is used for mouse events. The actual texture may be a different size, but this is
* typically the size of the underlying UI in pixels. */
virtual EVROverlayError SetOverlayMouseScale( VROverlayHandle_t ulOverlayHandle, const HmdVector2_t *pvecMouseScale ) = 0;
/** Computes the overlay-space pixel coordinates of where the ray intersects the overlay with the
* specified settings. Returns false if there is no intersection. */
virtual bool ComputeOverlayIntersection( VROverlayHandle_t ulOverlayHandle, const VROverlayIntersectionParams_t *pParams, VROverlayIntersectionResults_t *pResults ) = 0;
/** Processes mouse input from the specified controller as though it were a mouse pointed at a compositor overlay with the
* specified settings. The controller is treated like a laser pointer on the -z axis. The point where the laser pointer would
* intersect with the overlay is the mouse position, the trigger is left mouse, and the track pad is right mouse.
*
* Return true if the controller is pointed at the overlay and an event was generated. */
virtual bool HandleControllerOverlayInteractionAsMouse( VROverlayHandle_t ulOverlayHandle, TrackedDeviceIndex_t unControllerDeviceIndex ) = 0;
/** Returns true if the specified overlay is the hover target. An overlay is the hover target when it is the last overlay "moused over"
* by the virtual mouse pointer */
virtual bool IsHoverTargetOverlay( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Returns the current Gamepad focus overlay */
virtual vr::VROverlayHandle_t GetGamepadFocusOverlay() = 0;
/** Sets the current Gamepad focus overlay */
virtual EVROverlayError SetGamepadFocusOverlay( VROverlayHandle_t ulNewFocusOverlay ) = 0;
/** Sets an overlay's neighbor. This will also set the neighbor of the "to" overlay
* to point back to the "from" overlay. If an overlay's neighbor is set to invalid both
* ends will be cleared */
virtual EVROverlayError SetOverlayNeighbor( EOverlayDirection eDirection, VROverlayHandle_t ulFrom, VROverlayHandle_t ulTo ) = 0;
/** Changes the Gamepad focus from one overlay to one of its neighbors. Returns VROverlayError_NoNeighbor if there is no
* neighbor in that direction */
virtual EVROverlayError MoveGamepadFocusToNeighbor( EOverlayDirection eDirection, VROverlayHandle_t ulFrom ) = 0;
// ---------------------------------------------
// Overlay texture methods
// ---------------------------------------------
/** Texture to draw for the overlay. IVRCompositor::SetGraphicsDevice must be called before
* this function. This function can only be called by the overlay's renderer process.
*
* If pBounds is NULL the entire texture will be used.
*
* OpenGL dirty state:
* glBindTexture
*/
virtual EVROverlayError SetOverlayTexture( VROverlayHandle_t ulOverlayHandle, const Texture_t *pTexture ) = 0;
/** Use this to tell the overlay system to release the texture set for this overlay. */
virtual EVROverlayError ClearOverlayTexture( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Separate interface for providing the data as a stream of bytes, but there is an upper bound on data
* that can be sent. This function can only be called by the overlay's renderer process. */
virtual EVROverlayError SetOverlayRaw( VROverlayHandle_t ulOverlayHandle, void *pvBuffer, uint32_t unWidth, uint32_t unHeight, uint32_t unDepth ) = 0;
/** Separate interface for providing the image through a filename: can be png or jpg, and should not be bigger than 1920x1080.
* This function can only be called by the overlay's renderer process */
virtual EVROverlayError SetOverlayFromFile( VROverlayHandle_t ulOverlayHandle, const char *pchFilePath ) = 0;
// ----------------------------------------------
// Dashboard Overlay Methods
// ----------------------------------------------
/** Creates a dashboard overlay and returns its handle */
virtual EVROverlayError CreateDashboardOverlay( const char *pchOverlayKey, const char *pchOverlayFriendlyName, VROverlayHandle_t * pMainHandle, VROverlayHandle_t *pThumbnailHandle ) = 0;
/** Returns true if the dashboard is visible */
virtual bool IsDashboardVisible() = 0;
/** returns true if the dashboard is visible and the specified overlay is the active system Overlay */
virtual bool IsActiveDashboardOverlay( VROverlayHandle_t ulOverlayHandle ) = 0;
/** Sets the dashboard overlay to only appear when the specified process ID has scene focus */
virtual EVROverlayError SetDashboardOverlaySceneProcess( VROverlayHandle_t ulOverlayHandle, uint32_t unProcessId ) = 0;
/** Gets the process ID that this dashboard overlay requires to have scene focus */
virtual EVROverlayError GetDashboardOverlaySceneProcess( VROverlayHandle_t ulOverlayHandle, uint32_t *punProcessId ) = 0;
/** Shows the dashboard. */
virtual void ShowDashboard( const char *pchOverlayToShow ) = 0;
// ---------------------------------------------
// Keyboard methods
// ---------------------------------------------
/** Show the virtual keyboard to accept input **/
virtual EVROverlayError ShowKeyboard( EGamepadTextInputMode eInputMode, EGamepadTextInputLineMode eLineInputMode, const char *pchDescription, uint32_t unCharMax, const char *pchExistingText, bool bUseMinimalMode, uint64_t uUserValue ) = 0;
virtual EVROverlayError ShowKeyboardForOverlay( VROverlayHandle_t ulOverlayHandle, EGamepadTextInputMode eInputMode, EGamepadTextInputLineMode eLineInputMode, const char *pchDescription, uint32_t unCharMax, const char *pchExistingText, bool bUseMinimalMode, uint64_t uUserValue ) = 0;
/** Get the text that was entered into the text input **/
virtual uint32_t GetKeyboardText( VR_OUT_STRING() char *pchText, uint32_t cchText ) = 0;
/** Hide the virtual keyboard **/
virtual void HideKeyboard() = 0;
};
static const char * const IVROverlay_Version = "IVROverlay_007";
} // namespace vr
// ivrrendermodels.h
namespace vr
{
static const char * const k_pch_Controller_Component_GDC2015 = "gdc2015"; // Canonical coordinate system of the gdc 2015 wired controller, provided for backwards compatibility
static const char * const k_pch_Controller_Component_Base = "base"; // For controllers with an unambiguous 'base'.
static const char * const k_pch_Controller_Component_Tip = "tip"; // For controllers with an unambiguous 'tip' (used for 'laser-pointing')
static const char * const k_pch_Controller_Component_HandGrip = "handgrip"; // Neutral, ambidextrous hand-pose when holding controller. On plane between neutrally posed index finger and thumb
#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 uint32_t VRComponentProperties;
enum EVRComponentProperty
{
VRComponentProperty_IsStatic = (1 << 0),
VRComponentProperty_IsVisible = (1 << 1),
VRComponentProperty_IsTouched = (1 << 2),
VRComponentProperty_IsPressed = (1 << 3),
};
/** Describes state information about a render-model component, including transforms and other dynamic properties
*/
struct RenderModel_ComponentState_t
{
HmdMatrix34_t mTrackingToComponentRenderModel; // Transform required when drawing the component render model
HmdMatrix34_t mTrackingToComponentLocal; // Transform available for attaching to a local component coordinate system (-Z out from surface )
VRComponentProperties uProperties;
};
/** a single vertex in a render model */
struct RenderModel_Vertex_t
{
HmdVector3_t vPosition; // position in meters in device space
HmdVector3_t vNormal;
float rfTextureCoord[2];
};
/** A texture map for use on a render model */
struct RenderModel_TextureMap_t
{
uint16_t unWidth, unHeight; // width and height of the texture map in pixels
const uint8_t *rubTextureMapData; // Map texture data. All textures are RGBA with 8 bits per channel per pixel. Data size is width * height * 4ub
};
/** Session unique texture identifier. Rendermodels which share the same texture will have the same id.
IDs <0 denote the texture is not present
*/
typedef int32_t TextureID_t;
struct RenderModel_t
{
const RenderModel_Vertex_t *rVertexData; // Vertex data for the mesh
uint32_t unVertexCount; // Number of vertices in the vertex data
const uint16_t *rIndexData; // Indices into the vertex data for each triangle
uint32_t unTriangleCount; // Number of triangles in the mesh. Index count is 3 * TriangleCount
TextureID_t diffuseTextureId; // Session unique texture identifier. Rendermodels which share the same texture will have the same id. <0 == texture not present
};
#pragma pack( pop )
class IVRRenderModels
{
public:
/** Loads and returns a render model for use in the application. pchRenderModelName should be a render model name
* from the Prop_RenderModelName_String property or an absolute path name to a render model on disk.
*
* The resulting render model is valid until VR_Shutdown() is called or until FreeRenderModel() is called. When the
* application is finished with the render model it should call FreeRenderModel() to free the memory associated
* with the model.
*
* The method returns false if the model could not be loaded.
*
* The API expects that this function will be called at startup or when tracked devices are connected and disconnected.
* If it is called every frame it will hurt performance.
*/
virtual bool LoadRenderModel( const char *pchRenderModelName, RenderModel_t **ppRenderModel ) = 0;
/** Frees a previously returned render model
* It is safe to call this on a null ptr.
**/
virtual void FreeRenderModel( RenderModel_t *pRenderModel ) = 0;
/** Loads and returns a texture for use in the application.
*/
virtual bool LoadTexture( TextureID_t textureId, RenderModel_TextureMap_t **ppTexture ) = 0;
/** Frees a previously returned texture
* It is safe to call this on a null ptr.
*/
virtual void FreeTexture( RenderModel_TextureMap_t *pTexture ) = 0;
/** Use this to get the names of available render models. Index does not correlate to a tracked device index, but
* is only used for iterating over all available render models. If the index is out of range, this function will return 0.
* Otherwise, it will return the size of the buffer required for the name. */
virtual uint32_t GetRenderModelName( uint32_t unRenderModelIndex, VR_OUT_STRING() char *pchRenderModelName, uint32_t unRenderModelNameLen ) = 0;
/** Returns the number of available render models. */
virtual uint32_t GetRenderModelCount() = 0;
/** Returns the number of components of the specified render model.
* Components are useful when client application wish to draw, label, or otherwise interact with components of tracked objects.
* Examples controller components:
* renderable things such as triggers, buttons
* non-renderable things which include coordinate systems such as 'tip', 'base', a neutral controller agnostic hand-pose
* If all controller components are enumerated and rendered, it will be equivalent to drawing the traditional render model
* Returns 0 if components not supported, >0 otherwise
*/
virtual uint32_t GetComponentCount( const char *pchRenderModelName ) = 0;
/** Use this to get the names of available components. Index does not correlate to a tracked device index, but
* is only used for iterating over all available components. If the index is out of range, this function will return 0.
* Otherwise, it will return the size of the buffer required for the name. */
virtual uint32_t GetComponentName( const char *pchRenderModelName, uint32_t unComponentIndex, VR_OUT_STRING( ) char *pchComponentName, uint32_t unComponentNameLen ) = 0;
/** Get the button mask for all buttons associated with this component
* If no buttons (or axes) are associated with this component, return 0
* Note: multiple components may be associated with the same button. Ex: two grip buttons on a single controller.
* Note: A single component may be associated with multiple buttons. Ex: A trackpad which also provides "D-pad" functionality */
virtual uint64_t GetComponentButtonMask( const char *pchRenderModelName, const char *pchComponentName ) = 0;
/** Use this to get the render model name for the specified rendermode/component combination, to be passed to LoadRenderModel.
* If the component name is out of range, this function will return 0.
* Otherwise, it will return the size of the buffer required for the name. */
virtual uint32_t GetComponentRenderModelName( const char *pchRenderModelName, const char *pchComponentName, VR_OUT_STRING( ) char *pchComponentRenderModelName, uint32_t unComponentRenderModelNameLen ) = 0;
/** Use this to query information about the component, as a function of the controller state.
*
* For dynamic controller components (ex: trigger) values will reflect component motions
* For static components this will return a consistent value independent of the VRControllerState_t
*
* If the pchRenderModelName or pchComponentName is invalid, this will return false (and transforms will be set to identity).
* Otherwise, return true
* Note: For dynamic objects, visibility may be dynamic. (I.e., true/false will be returned based on controller state ) */
virtual bool GetComponentState( const char *pchRenderModelName, const char *pchComponentName, const vr::VRControllerState_t *pControllerState, RenderModel_ComponentState_t *pComponentState ) = 0;
};
static const char * const IVRRenderModels_Version = "IVRRenderModels_002";
}
// ivrcontrolpanel.h
namespace vr
{
class IVRControlPanel
{
public:
// ------------------------------------
// Driver enumeration methods
// ------------------------------------
/** the number of active drivers */
virtual uint32_t GetDriverCount() = 0;
/** The ID of the specified driver as a UTF-8 string. Returns the length of the ID in bytes. If
* the buffer is not large enough to fit the ID an empty string will be returned. In general, 128 bytes
* will be enough to fit any ID. */
virtual uint32_t GetDriverId( uint32_t unDriverIndex, char *pchBuffer, uint32_t unBufferLen ) = 0;
// ------------------------------------
// Display Enumeration Methods
// ------------------------------------
/** the number of active displays on the specified driver */
virtual uint32_t GetDriverDisplayCount( const char *pchDriverId ) = 0;
/** The ID of the specified display in the specified driver as a UTF-8 string. Returns the
* length of the ID in bytes. If the buffer is not large enough to fit the ID an empty
* string will be returned. In general, 128 bytes will be enough to fit any ID. */
virtual uint32_t GetDriverDisplayId( const char *pchDriverId, uint32_t unDisplayIndex, char *pchBuffer, uint32_t unBufferLen ) = 0;
// ------------------------------------
// Display Detail Methods
// ------------------------------------
/** The model name of the specified driver in the specified driver as a UTF-8 string. Returns the
* length of the model name in bytes. If the buffer is not large enough to fit the model name an empty
* string will be returned. In general, 128 bytes will be enough to fit any model name. Returns 0 if
* the display or driver was not found. */
virtual uint32_t GetDriverDisplayModelNumber( const char *pchDriverId, const char *pchDisplayId, char *pchBuffer, uint32_t unBufferLen ) = 0;
/** The serial number of the specified driver in the specified driver as a UTF-8 string. Returns the
* length of the serial number in bytes. If the buffer is not large enough to fit the serial number an empty
* string will be returned. In general, 128 bytes will be enough to fit any model name. Returns 0 if
* the display or driver was not found. */
virtual uint32_t GetDriverDisplaySerialNumber( const char *pchDriverId, const char *pchDisplayId, char *pchBuffer, uint32_t unBufferLen ) = 0;
/** Returns the IVRSystem interface for the current display that matches the specified version number.
* This is usually unnecessary and the return value of VR_Init can be used without calling this method. */
VR_IGNOREATTR()
virtual class IVRSystem *GetCurrentDisplayInterface( const char *pchHmdInterfaceVersion ) = 0;
// ------------------------------------
// Shared Resource Methods
// ------------------------------------
/** Loads the specified resource into the provided buffer if large enough.
* Returns the size in bytes of the buffer required to hold the specified resource. */
virtual uint32_t LoadSharedResource( const char *pchResourceName, char *pchBuffer, uint32_t unBufferLen ) = 0;
// ------------------------------------
// IPD Methods
// ------------------------------------
/** Gets the current IPD (Interpupillary Distance) in meters. */
virtual float GetIPD() = 0;
/** Sets the current IPD (Interpupillary Distance) in meters. */
virtual void SetIPD( float fIPD ) = 0;
// ------------------------------------
// Compositor Methods
// ------------------------------------
/** Returns the IVRCompositor interface that matches the specified interface version. This will only
* return the compositor interface if it has already been initialized by the current process. */
virtual class vr::IVRCompositor *GetCurrentCompositorInterface( const char *pchInterfaceVersion ) = 0;
// ------------------------------------
// Process control Methods
// ------------------------------------
/** Tells the specified OpenVR process to quit. If the process ID is 0, all processes will be told to quit,
* ending with the process submitting the request. Returns false if the request could not be sent. */
virtual bool QuitProcess( uint32_t pidProcessToQuit ) = 0;
/** Starts a process and returns the PID or 0 if the process failed to start. */
virtual uint32_t StartVRProcess( const char *pchExecutable, const char **pchArguments, uint32_t unArgumentCount, const char *pchWorkingDirectory) = 0;
/** Sets the master process for OpenVR. When the master process exits VRServer will send quit messages to every other process
* to start the shutdown process */
virtual void SetMasterProcessToThis() = 0;
/** Tells the application system to start all autolaunched dashboard overlays */
virtual void StartAutolaunchOverlays() = 0;
/** Tells the specified OpenVR process to quit. The process ID must be valid. Quitting all processes by passing 0 is not supported.
* Returns false if the request could not be sent. */
virtual bool ForceQuitProcess( uint32_t pidProcessToQuit ) = 0;
/** Aborts a process quit/application transition at the user's request. */
virtual void AbortTransition() = 0;
};
static const char * const IVRControlPanel_Version = "IVRControlPanel_001";
}
// ivrtrackedcamera.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
#pragma pack( pop )
class IVRTrackedCamera
{
public:
virtual bool HasCamera( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool GetCameraFirmwareDescription( vr::TrackedDeviceIndex_t nDeviceIndex, char *pBuffer, uint32_t nBufferLen ) = 0;
// An invalid or unsupported format returns false. Frame dimensions imply sensor size.
virtual bool GetCameraFrameDimensions( vr::TrackedDeviceIndex_t nDeviceIndex, vr::ECameraVideoStreamFormat nVideoStreamFormat, uint32_t *pWidth, uint32_t *pHeight ) = 0;
// Caller can request a specific streaming format prior to enable. The request may be ignored if camera has been granted exclusive use by lower level systems.
// Format cannot be changed after camera has been enabled. An unsupported or rejected format returns false.
// Use CVS_FORMAT_UNKNOWN for defaults.
virtual bool SetCameraVideoStreamFormat( vr::TrackedDeviceIndex_t nDeviceIndex, vr::ECameraVideoStreamFormat nVideoStreamFormat ) = 0;
virtual vr::ECameraVideoStreamFormat GetCameraVideoStreamFormat( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
// Camera must be enabled prior to streaming. Enabling causes frame buffering allocations and locks attributes.
virtual bool EnableCameraForStreaming( vr::TrackedDeviceIndex_t nDeviceIndex, bool bEnable ) = 0;
virtual bool StartVideoStream( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool StopVideoStream( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool IsVideoStreamActive( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
// Starts at 0 and advances in seconds when stream started and valid. A stopped stream returns 0.
// A paused stream is still considered active and the elapsed time advances.
virtual float GetVideoStreamElapsedTime( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
// Caller acquires ref-counted frames for exclusive use and releases when finished. Failure to release frames degrades frame buffering.
// NULL implies no frame available.
virtual const vr::CameraVideoStreamFrame_t *GetVideoStreamFrame( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool ReleaseVideoStreamFrame( vr::TrackedDeviceIndex_t nDeviceIndex, const vr::CameraVideoStreamFrame_t *pFrameImage ) = 0;
virtual bool SetAutoExposure( vr::TrackedDeviceIndex_t nDeviceIndex, bool bEnable ) = 0;
// A stream can only be paused after it is started. The pause state is cleared after stopping.
// The camera may not support pause/resume semantics due to HW limitations.
virtual bool SupportsPauseResume( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool PauseVideoStream( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool ResumeVideoStream( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool IsVideoStreamPaused( vr::TrackedDeviceIndex_t nDeviceIndex ) = 0;
virtual bool GetCameraDistortion( vr::TrackedDeviceIndex_t nDeviceIndex, float flInputU, float flInputV, float *pflOutputU, float *pflOutputV ) = 0;
virtual bool GetCameraProjection( vr::TrackedDeviceIndex_t nDeviceIndex, float flWidthPixels, float flHeightPixels, float flZNear, float flZFar, vr::HmdMatrix44_t *pProjection ) = 0;
};
static const char * const IVRTrackedCamera_Version = "IVRTrackedCamera_001";
}
// ivrextendeddisplay.h
namespace vr
{
/** NOTE: Use of this interface is not recommended in production applications. It will not work for displays which use
* direct-to-display mode. It is also incompatible with the VR compositor and is not available when the compositor is running. */
class IVRExtendedDisplay
{
public:
/** 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;
/** 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;
/** [D3D10/11 Only]
* Returns the adapter index and output index that the user should pass into EnumAdapters and EnumOutputs
* to create the device and swap chain in DX10 and DX11. If an error occurs both indices will be set to -1.
*/
virtual void GetDXGIOutputInfo( int32_t *pnAdapterIndex, int32_t *pnAdapterOutputIndex ) = 0;
};
static const char * const IVRExtendedDisplay_Version = "IVRExtendedDisplay_001";
}
// End
#endif // _OPENVR_API
namespace vr
{
/** Finds the active installation of the VR API and initializes it. The provided path must be absolute
* or relative to the current working directory. These are the local install versions of the equivalent
* functions in steamvr.h and will work without a local Steam install.
*
* This path is to the "root" of the VR API install. That's the directory with
* the "drivers" directory and a platform (i.e. "win32") directory in it, not the directory with the DLL itself.
*/
VR_INTERFACE vr::IVRSystem *VR_CALLTYPE VR_Init( vr::EVRInitError *peError, vr::EVRApplicationType eApplicationType = vr::VRApplication_Scene );
/** unloads vrclient.dll. Any interface pointers from the interface are
* invalid after this point */
VR_INTERFACE void VR_CALLTYPE VR_Shutdown();
/** Returns true if there is an HMD attached. This check is as lightweight as possible and
* can be called outside of VR_Init/VR_Shutdown. It should be used when an application wants
* to know if initializing VR is a possibility but isn't ready to take that step yet.
*/
VR_INTERFACE bool VR_CALLTYPE VR_IsHmdPresent();
/** Returns true if the OpenVR runtime is installed. */
VR_INTERFACE bool VR_CALLTYPE VR_IsRuntimeInstalled();
/** Returns the name of the enum value for an EVRInitError. This function may be called outside of VR_Init()/VR_Shutdown(). */
VR_INTERFACE const char *VR_CALLTYPE VR_GetVRInitErrorAsSymbol( vr::EVRInitError error );
/** Returns an english string for an EVRInitError. Applications should call VR_GetVRInitErrorAsSymbol instead and
* use that as a key to look up their own localized error message. This function may be called outside of VR_Init()/VR_Shutdown(). */
VR_INTERFACE const char *VR_CALLTYPE VR_GetVRInitErrorAsEnglishDescription( vr::EVRInitError error );
/** Returns the interface of the specified version. This method must be called after VR_Init. The
* pointer returned is valid until VR_Shutdown is called.
*/
VR_INTERFACE void *VR_CALLTYPE VR_GetGenericInterface( const char *pchInterfaceVersion, vr::EVRInitError *peError );
/** Returns the current IVRSystem pointer or NULL if VR_Init has not been called successfully */
VR_INTERFACE vr::IVRSystem *VR_CALLTYPE VRSystem();
/** Returns the current IVRChaperone pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRChaperone *VR_CALLTYPE VRChaperone();
/** Returns the current IVRChaperoneSetup pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRChaperoneSetup *VR_CALLTYPE VRChaperoneSetup();
/** Returns the current IVRCompositor pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRCompositor *VR_CALLTYPE VRCompositor();
/** Returns the current IVROverlay pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVROverlay *VR_CALLTYPE VROverlay();
/** Returns the current IVRRenderModels pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRRenderModels *VR_CALLTYPE VRRenderModels();
/** Returns the current IVRControlPanel pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRControlPanel *VR_CALLTYPE VRControlPanel();
/** Returns the current IVRTrackedCamera pointer or NULL the interface could not be found. */
VR_INTERFACE vr::IVRTrackedCamera *VR_CALLTYPE VRTrackedCamera();
/** Returns the current IVRExtendedDisplay pointer or NULL the interface could not be found.
* This function will also return NULL if the VR Compositor is running as the extended display
* interface is incompatible with the compositor. */
VR_INTERFACE vr::IVRExtendedDisplay *VR_CALLTYPE VRExtendedDisplay();
// These typedefs allow old enum names from SDK 0.9.11 to be used in applications.
// They will go away in the future.
typedef EVRInitError HmdError;
typedef EVREye Hmd_Eye;
typedef EGraphicsAPIConvention GraphicsAPIConvention;
typedef EColorSpace ColorSpace;
typedef ETrackingResult HmdTrackingResult;
typedef ETrackedDeviceClass TrackedDeviceClass;
typedef ETrackingUniverseOrigin TrackingUniverseOrigin;
typedef ETrackedDeviceProperty TrackedDeviceProperty;
typedef ETrackedPropertyError TrackedPropertyError;
typedef EVRSubmitFlags VRSubmitFlags_t;
typedef EVRState VRState_t;
typedef ECollisionBoundsStyle CollisionBoundsStyle_t;
typedef EVROverlayError VROverlayError;
typedef EVRFirmwareError VRFirmwareError;
typedef EVRCompositorError VRCompositorError;
}
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