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+#pragma once
+
+// 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
+
+// Forward declarations to avoid requiring vulkan.h
+struct VkDevice_T;
+struct VkPhysicalDevice_T;
+struct VkInstance_T;
+struct VkQueue_T;
+
+// Forward declarations to avoid requiring d3d12.h
+struct ID3D12Resource;
+struct ID3D12CommandQueue;
+
+namespace vr
+{
+#pragma pack( push, 8 )
+
+typedef void* glSharedTextureHandle_t;
+typedef int32_t glInt_t;
+typedef uint32_t glUInt_t;
+
+// right-handed system
+// +y is up
+// +x is to the right
+// -z is forward
+// 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 HmdQuaternionf_t
+{
+ float w, x, y, z;
+};
+
+struct HmdColor_t
+{
+ float r, g, b, a;
+};
+
+struct HmdQuad_t
+{
+ HmdVector3_t vCorners[ 4 ];
+};
+
+struct HmdRect2_t
+{
+ HmdVector2_t vTopLeft;
+ HmdVector2_t vBottomRight;
+};
+
+/** Used to return the post-distortion UVs for each color channel.
+* UVs range from 0 to 1 with 0,0 in the upper left corner of the
+* source render target. The 0,0 to 1,1 range covers a single eye. */
+struct DistortionCoordinates_t
+{
+ float rfRed[2];
+ float rfGreen[2];
+ float rfBlue[2];
+};
+
+enum EVREye
+{
+ Eye_Left = 0,
+ Eye_Right = 1
+};
+
+enum ETextureType
+{
+ TextureType_DirectX = 0, // Handle is an ID3D11Texture
+ TextureType_OpenGL = 1, // Handle is an OpenGL texture name or an OpenGL render buffer name, depending on submit flags
+ TextureType_Vulkan = 2, // Handle is a pointer to a VRVulkanTextureData_t structure
+ TextureType_IOSurface = 3, // Handle is a macOS cross-process-sharable IOSurfaceRef
+ TextureType_DirectX12 = 4, // Handle is a pointer to a D3D12TextureData_t structure
+ TextureType_DXGISharedHandle = 5, // Handle is a HANDLE DXGI share handle, only supported for Overlay render targets.
+ // this texture is used directly by our renderer, so only perform atomic (copyresource or resolve) on it
+};
+
+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; // See ETextureType definition above
+ ETextureType eType;
+ EColorSpace eColorSpace;
+};
+
+// Handle to a shared texture (HANDLE on Windows obtained using OpenSharedResource).
+typedef uint64_t SharedTextureHandle_t;
+#define INVALID_SHARED_TEXTURE_HANDLE ((vr::SharedTextureHandle_t)0)
+
+enum ETrackingResult
+{
+ TrackingResult_Uninitialized = 1,
+
+ TrackingResult_Calibrating_InProgress = 100,
+ TrackingResult_Calibrating_OutOfRange = 101,
+
+ TrackingResult_Running_OK = 200,
+ TrackingResult_Running_OutOfRange = 201,
+};
+
+typedef uint32_t DriverId_t;
+static const uint32_t k_nDriverNone = 0xFFFFFFFF;
+
+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 = 64;
+static const uint32_t k_unTrackedDeviceIndexOther = 0xFFFFFFFE;
+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_GenericTracker = 3, // Generic trackers, similar to controllers
+ TrackedDeviceClass_TrackingReference = 4, // Camera and base stations that serve as tracking reference points
+ TrackedDeviceClass_DisplayRedirect = 5, // Accessories that aren't necessarily tracked themselves, but may redirect video output from other tracked devices
+};
+
+
+/** Describes what specific role associated with a tracked device */
+enum ETrackedControllerRole
+{
+ TrackedControllerRole_Invalid = 0, // Invalid value for controller type
+ TrackedControllerRole_LeftHand = 1, // Tracked device associated with the left hand
+ TrackedControllerRole_RightHand = 2, // Tracked device associated with the right hand
+ TrackedControllerRole_OptOut = 3, // Tracked device is opting out of left/right hand selection
+ TrackedControllerRole_Max = 4
+};
+
+
+/** 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. It has Y up and is unified for devices of the same driver. You usually don't want this one.
+};
+
+typedef uint64_t WebConsoleHandle_t;
+#define INVALID_WEB_CONSOLE_HANDLE ((vr::WebConsoleHandle_t)0)
+
+// Refers to a single container of properties
+typedef uint64_t PropertyContainerHandle_t;
+typedef uint32_t PropertyTypeTag_t;
+
+static const PropertyContainerHandle_t k_ulInvalidPropertyContainer = 0;
+static const PropertyTypeTag_t k_unInvalidPropertyTag = 0;
+
+typedef PropertyContainerHandle_t DriverHandle_t;
+static const PropertyContainerHandle_t k_ulInvalidDriverHandle = 0;
+
+// Use these tags to set/get common types as struct properties
+static const PropertyTypeTag_t k_unFloatPropertyTag = 1;
+static const PropertyTypeTag_t k_unInt32PropertyTag = 2;
+static const PropertyTypeTag_t k_unUint64PropertyTag = 3;
+static const PropertyTypeTag_t k_unBoolPropertyTag = 4;
+static const PropertyTypeTag_t k_unStringPropertyTag = 5;
+
+static const PropertyTypeTag_t k_unHmdMatrix34PropertyTag = 20;
+static const PropertyTypeTag_t k_unHmdMatrix44PropertyTag = 21;
+static const PropertyTypeTag_t k_unHmdVector3PropertyTag = 22;
+static const PropertyTypeTag_t k_unHmdVector4PropertyTag = 23;
+
+static const PropertyTypeTag_t k_unHiddenAreaPropertyTag = 30;
+static const PropertyTypeTag_t k_unPathHandleInfoTag = 31;
+static const PropertyTypeTag_t k_unActionPropertyTag = 32;
+static const PropertyTypeTag_t k_unInputValuePropertyTag = 33;
+static const PropertyTypeTag_t k_unWildcardPropertyTag = 34;
+static const PropertyTypeTag_t k_unHapticVibrationPropertyTag = 35;
+static const PropertyTypeTag_t k_unSkeletonPropertyTag = 36;
+
+static const PropertyTypeTag_t k_unOpenVRInternalReserved_Start = 1000;
+static const PropertyTypeTag_t k_unOpenVRInternalReserved_End = 10000;
+
+
+/** 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
+{
+ Prop_Invalid = 0,
+
+ // general properties that apply to all device classes
+ Prop_TrackingSystemName_String = 1000,
+ Prop_ModelNumber_String = 1001,
+ Prop_SerialNumber_String = 1002,
+ Prop_RenderModelName_String = 1003,
+ Prop_WillDriftInYaw_Bool = 1004,
+ Prop_ManufacturerName_String = 1005,
+ Prop_TrackingFirmwareVersion_String = 1006,
+ Prop_HardwareRevision_String = 1007,
+ Prop_AllWirelessDongleDescriptions_String = 1008,
+ Prop_ConnectedWirelessDongle_String = 1009,
+ Prop_DeviceIsWireless_Bool = 1010,
+ Prop_DeviceIsCharging_Bool = 1011,
+ Prop_DeviceBatteryPercentage_Float = 1012, // 0 is empty, 1 is full
+ Prop_StatusDisplayTransform_Matrix34 = 1013,
+ Prop_Firmware_UpdateAvailable_Bool = 1014,
+ Prop_Firmware_ManualUpdate_Bool = 1015,
+ Prop_Firmware_ManualUpdateURL_String = 1016,
+ Prop_HardwareRevision_Uint64 = 1017,
+ Prop_FirmwareVersion_Uint64 = 1018,
+ Prop_FPGAVersion_Uint64 = 1019,
+ Prop_VRCVersion_Uint64 = 1020,
+ Prop_RadioVersion_Uint64 = 1021,
+ Prop_DongleVersion_Uint64 = 1022,
+ Prop_BlockServerShutdown_Bool = 1023,
+ Prop_CanUnifyCoordinateSystemWithHmd_Bool = 1024,
+ Prop_ContainsProximitySensor_Bool = 1025,
+ Prop_DeviceProvidesBatteryStatus_Bool = 1026,
+ Prop_DeviceCanPowerOff_Bool = 1027,
+ Prop_Firmware_ProgrammingTarget_String = 1028,
+ Prop_DeviceClass_Int32 = 1029,
+ Prop_HasCamera_Bool = 1030,
+ Prop_DriverVersion_String = 1031,
+ Prop_Firmware_ForceUpdateRequired_Bool = 1032,
+ Prop_ViveSystemButtonFixRequired_Bool = 1033,
+ Prop_ParentDriver_Uint64 = 1034,
+ Prop_ResourceRoot_String = 1035,
+ Prop_RegisteredDeviceType_String = 1036,
+ Prop_InputProfilePath_String = 1037, // input profile to use for this device in the input system. Will default to tracking system name if this isn't provided
+ Prop_NeverTracked_Bool = 1038, // Used for devices that will never have a valid pose by design
+ Prop_NumCameras_Int32 = 1039,
+ Prop_CameraFrameLayout_Int32 = 1040, // EVRTrackedCameraFrameLayout value
+
+ // Properties that are unique to TrackedDeviceClass_HMD
+ Prop_ReportsTimeSinceVSync_Bool = 2000,
+ Prop_SecondsFromVsyncToPhotons_Float = 2001,
+ Prop_DisplayFrequency_Float = 2002,
+ Prop_UserIpdMeters_Float = 2003,
+ Prop_CurrentUniverseId_Uint64 = 2004,
+ Prop_PreviousUniverseId_Uint64 = 2005,
+ Prop_DisplayFirmwareVersion_Uint64 = 2006,
+ Prop_IsOnDesktop_Bool = 2007,
+ Prop_DisplayMCType_Int32 = 2008,
+ Prop_DisplayMCOffset_Float = 2009,
+ Prop_DisplayMCScale_Float = 2010,
+ Prop_EdidVendorID_Int32 = 2011,
+ Prop_DisplayMCImageLeft_String = 2012,
+ Prop_DisplayMCImageRight_String = 2013,
+ Prop_DisplayGCBlackClamp_Float = 2014,
+ Prop_EdidProductID_Int32 = 2015,
+ Prop_CameraToHeadTransform_Matrix34 = 2016,
+ Prop_DisplayGCType_Int32 = 2017,
+ Prop_DisplayGCOffset_Float = 2018,
+ Prop_DisplayGCScale_Float = 2019,
+ Prop_DisplayGCPrescale_Float = 2020,
+ Prop_DisplayGCImage_String = 2021,
+ Prop_LensCenterLeftU_Float = 2022,
+ Prop_LensCenterLeftV_Float = 2023,
+ Prop_LensCenterRightU_Float = 2024,
+ Prop_LensCenterRightV_Float = 2025,
+ Prop_UserHeadToEyeDepthMeters_Float = 2026,
+ Prop_CameraFirmwareVersion_Uint64 = 2027,
+ Prop_CameraFirmwareDescription_String = 2028,
+ Prop_DisplayFPGAVersion_Uint64 = 2029,
+ Prop_DisplayBootloaderVersion_Uint64 = 2030,
+ Prop_DisplayHardwareVersion_Uint64 = 2031,
+ Prop_AudioFirmwareVersion_Uint64 = 2032,
+ Prop_CameraCompatibilityMode_Int32 = 2033,
+ Prop_ScreenshotHorizontalFieldOfViewDegrees_Float = 2034,
+ Prop_ScreenshotVerticalFieldOfViewDegrees_Float = 2035,
+ Prop_DisplaySuppressed_Bool = 2036,
+ Prop_DisplayAllowNightMode_Bool = 2037,
+ Prop_DisplayMCImageWidth_Int32 = 2038,
+ Prop_DisplayMCImageHeight_Int32 = 2039,
+ Prop_DisplayMCImageNumChannels_Int32 = 2040,
+ Prop_DisplayMCImageData_Binary = 2041,
+ Prop_SecondsFromPhotonsToVblank_Float = 2042,
+ Prop_DriverDirectModeSendsVsyncEvents_Bool = 2043,
+ Prop_DisplayDebugMode_Bool = 2044,
+ Prop_GraphicsAdapterLuid_Uint64 = 2045,
+ Prop_DriverProvidedChaperonePath_String = 2048,
+ Prop_ExpectedTrackingReferenceCount_Int32 = 2049, // expected number of sensors or basestations to reserve UI space for
+ Prop_ExpectedControllerCount_Int32 = 2050, // expected number of tracked controllers to reserve UI space for
+ Prop_NamedIconPathControllerLeftDeviceOff_String = 2051, // placeholder icon for "left" controller if not yet detected/loaded
+ Prop_NamedIconPathControllerRightDeviceOff_String = 2052, // placeholder icon for "right" controller if not yet detected/loaded
+ Prop_NamedIconPathTrackingReferenceDeviceOff_String = 2053, // placeholder icon for sensor/base if not yet detected/loaded
+ Prop_DoNotApplyPrediction_Bool = 2054,
+ Prop_CameraToHeadTransforms_Matrix34_Array = 2055,
+ Prop_DistortionMeshResolution_Int32 = 2056, // custom resolution of compositor calls to IVRSystem::ComputeDistortion
+ Prop_DriverIsDrawingControllers_Bool = 2057,
+ Prop_DriverRequestsApplicationPause_Bool = 2058,
+ Prop_DriverRequestsReducedRendering_Bool = 2059,
+ Prop_MinimumIpdStepMeters_Float = 2060,
+ Prop_AudioBridgeFirmwareVersion_Uint64 = 2061,
+ Prop_ImageBridgeFirmwareVersion_Uint64 = 2062,
+ Prop_ImuToHeadTransform_Matrix34 = 2063,
+ Prop_ImuFactoryGyroBias_Vector3 = 2064,
+ Prop_ImuFactoryGyroScale_Vector3 = 2065,
+ Prop_ImuFactoryAccelerometerBias_Vector3 = 2066,
+ Prop_ImuFactoryAccelerometerScale_Vector3 = 2067,
+
+ // 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
+ Prop_ControllerRoleHint_Int32 = 3007, // Return value is of type ETrackedControllerRole
+
+ // Properties that are unique to TrackedDeviceClass_TrackingReference
+ Prop_FieldOfViewLeftDegrees_Float = 4000,
+ Prop_FieldOfViewRightDegrees_Float = 4001,
+ Prop_FieldOfViewTopDegrees_Float = 4002,
+ Prop_FieldOfViewBottomDegrees_Float = 4003,
+ Prop_TrackingRangeMinimumMeters_Float = 4004,
+ Prop_TrackingRangeMaximumMeters_Float = 4005,
+ Prop_ModeLabel_String = 4006,
+
+ // Properties that are used for user interface like icons names
+ Prop_IconPathName_String = 5000, // DEPRECATED. Value not referenced. Now expected to be part of icon path properties.
+ Prop_NamedIconPathDeviceOff_String = 5001, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceSearching_String = 5002, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceSearchingAlert_String = 5003, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceReady_String = 5004, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceReadyAlert_String = 5005, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceNotReady_String = 5006, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceStandby_String = 5007, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+ Prop_NamedIconPathDeviceAlertLow_String = 5008, // {driver}/icons/icon_filename - PNG for static icon, or GIF for animation, 50x32 for headsets and 32x32 for others
+
+ // Properties that are used by helpers, but are opaque to applications
+ Prop_DisplayHiddenArea_Binary_Start = 5100,
+ Prop_DisplayHiddenArea_Binary_End = 5150,
+ Prop_ParentContainer = 5151,
+
+ // Properties that are unique to drivers
+ Prop_UserConfigPath_String = 6000,
+ Prop_InstallPath_String = 6001,
+ Prop_HasDisplayComponent_Bool = 6002,
+ Prop_HasControllerComponent_Bool = 6003,
+ Prop_HasCameraComponent_Bool = 6004,
+ Prop_HasDriverDirectModeComponent_Bool = 6005,
+ Prop_HasVirtualDisplayComponent_Bool = 6006,
+
+ // Properties that are set internally based on other information provided by drivers
+ Prop_ControllerType_String = 7000,
+ Prop_LegacyInputProfile_String = 7001,
+
+ // Vendors are free to expose private debug data in this reserved region
+ Prop_VendorSpecific_Reserved_Start = 10000,
+ Prop_VendorSpecific_Reserved_End = 10999,
+
+ Prop_TrackedDeviceProperty_Max = 1000000,
+};
+
+/** 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, // Driver has not set the property (and may not ever).
+ 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.
+ TrackedProp_PermissionDenied = 10,
+ TrackedProp_InvalidOperation = 11,
+ TrackedProp_CannotWriteToWildcards = 12,
+};
+
+/** 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 specifying pose used to render provided scene texture (if different from value returned by WaitGetPoses). */
+struct VRTextureWithPose_t : public Texture_t
+{
+ HmdMatrix34_t mDeviceToAbsoluteTracking; // Actual pose used to render scene textures.
+};
+
+struct VRTextureDepthInfo_t
+{
+ void* handle; // See ETextureType definition above
+ HmdMatrix44_t mProjection;
+ HmdVector2_t vRange; // 0..1
+};
+
+struct VRTextureWithDepth_t : public Texture_t
+{
+ VRTextureDepthInfo_t depth;
+};
+
+struct VRTextureWithPoseAndDepth_t : public VRTextureWithPose_t
+{
+ VRTextureDepthInfo_t depth;
+};
+
+/** Allows the application 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,
+
+ // Do not use
+ Submit_Reserved = 0x04,
+
+ // Set to indicate that pTexture is a pointer to a VRTextureWithPose_t.
+ // This flag can be combined with Submit_TextureWithDepth to pass a VRTextureWithPoseAndDepth_t.
+ Submit_TextureWithPose = 0x08,
+
+ // Set to indicate that pTexture is a pointer to a VRTextureWithDepth_t.
+ // This flag can be combined with Submit_TextureWithPose to pass a VRTextureWithPoseAndDepth_t.
+ Submit_TextureWithDepth = 0x10,
+};
+
+/** Data required for passing Vulkan textures to IVRCompositor::Submit.
+* Be sure to call OpenVR_Shutdown before destroying these resources. */
+struct VRVulkanTextureData_t
+{
+ uint64_t m_nImage; // VkImage
+ VkDevice_T *m_pDevice;
+ VkPhysicalDevice_T *m_pPhysicalDevice;
+ VkInstance_T *m_pInstance;
+ VkQueue_T *m_pQueue;
+ uint32_t m_nQueueFamilyIndex;
+ uint32_t m_nWidth, m_nHeight, m_nFormat, m_nSampleCount;
+};
+
+/** Data required for passing D3D12 textures to IVRCompositor::Submit.
+* Be sure to call OpenVR_Shutdown before destroying these resources. */
+struct D3D12TextureData_t
+{
+ ID3D12Resource *m_pResource;
+ ID3D12CommandQueue *m_pCommandQueue;
+ uint32_t m_nNodeMask;
+};
+
+/** 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,
+ VRState_Standby = 6,
+ VRState_Ready_Alert_Low = 7,
+};
+
+/** The types of events that could be posted (and what the parameters mean for each event type) */
+enum EVREventType
+{
+ VREvent_None = 0,
+
+ VREvent_TrackedDeviceActivated = 100,
+ VREvent_TrackedDeviceDeactivated = 101,
+ VREvent_TrackedDeviceUpdated = 102,
+ VREvent_TrackedDeviceUserInteractionStarted = 103,
+ VREvent_TrackedDeviceUserInteractionEnded = 104,
+ VREvent_IpdChanged = 105,
+ VREvent_EnterStandbyMode = 106,
+ VREvent_LeaveStandbyMode = 107,
+ VREvent_TrackedDeviceRoleChanged = 108,
+ VREvent_WatchdogWakeUpRequested = 109,
+ VREvent_LensDistortionChanged = 110,
+ VREvent_PropertyChanged = 111,
+ VREvent_WirelessDisconnect = 112,
+ VREvent_WirelessReconnect = 113,
+
+ 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_DualAnalog_Press = 250, // data is dualAnalog
+ VREvent_DualAnalog_Unpress = 251, // data is dualAnalog
+ VREvent_DualAnalog_Touch = 252, // data is dualAnalog
+ VREvent_DualAnalog_Untouch = 253, // data is dualAnalog
+ VREvent_DualAnalog_Move = 254, // data is dualAnalog
+ VREvent_DualAnalog_ModeSwitch1 = 255, // data is dualAnalog
+ VREvent_DualAnalog_ModeSwitch2 = 256, // data is dualAnalog
+ VREvent_DualAnalog_Cancel = 257, // data is dualAnalog
+
+ VREvent_MouseMove = 300, // data is mouse
+ VREvent_MouseButtonDown = 301, // data is mouse
+ VREvent_MouseButtonUp = 302, // data is mouse
+ VREvent_FocusEnter = 303, // data is overlay
+ VREvent_FocusLeave = 304, // data is overlay
+ VREvent_Scroll = 305, // data is mouse
+ VREvent_TouchPadMove = 306, // data is mouse
+ VREvent_OverlayFocusChanged = 307, // data is overlay, global event
+
+ VREvent_InputFocusCaptured = 400, // data is process DEPRECATED
+ VREvent_InputFocusReleased = 401, // data is process DEPRECATED
+ 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_InputFocusChanged = 406, // data is process
+ VREvent_SceneApplicationSecondaryRenderingStarted = 407, // data is process
+ VREvent_SceneApplicationUsingWrongGraphicsAdapter = 408, // data is process
+ VREvent_ActionBindingReloaded = 409, // data is process - The App that action binds reloaded for
+
+ VREvent_HideRenderModels = 410, // Sent to the scene application to request hiding render models temporarily
+ VREvent_ShowRenderModels = 411, // Sent to the scene application to request restoring render model visibility
+
+ VREvent_ConsoleOpened = 420,
+ VREvent_ConsoleClosed = 421,
+
+ VREvent_OverlayShown = 500,
+ VREvent_OverlayHidden = 501,
+ VREvent_DashboardActivated = 502,
+ VREvent_DashboardDeactivated = 503,
+ VREvent_DashboardThumbSelected = 504, // Sent to the overlay manager - data is overlay
+ VREvent_DashboardRequested = 505, // Sent to the overlay manager - data is overlay
+ VREvent_ResetDashboard = 506, // Send to the overlay manager
+ VREvent_RenderToast = 507, // Send to the dashboard to render a toast - data is the notification ID
+ VREvent_ImageLoaded = 508, // Sent to overlays when a SetOverlayRaw or SetOverlayFromFile call finishes loading
+ VREvent_ShowKeyboard = 509, // Sent to keyboard renderer in the dashboard to invoke it
+ VREvent_HideKeyboard = 510, // Sent to keyboard renderer in the dashboard to hide it
+ VREvent_OverlayGamepadFocusGained = 511, // Sent to an overlay when IVROverlay::SetFocusOverlay is called on it
+ VREvent_OverlayGamepadFocusLost = 512, // Send to an overlay when it previously had focus and IVROverlay::SetFocusOverlay is called on something else
+ VREvent_OverlaySharedTextureChanged = 513,
+ //VREvent_DashboardGuideButtonDown = 514, // These are no longer sent
+ //VREvent_DashboardGuideButtonUp = 515,
+ VREvent_ScreenshotTriggered = 516, // Screenshot button combo was pressed, Dashboard should request a screenshot
+ VREvent_ImageFailed = 517, // Sent to overlays when a SetOverlayRaw or SetOverlayfromFail fails to load
+ VREvent_DashboardOverlayCreated = 518,
+ VREvent_SwitchGamepadFocus = 519,
+
+ // Screenshot API
+ VREvent_RequestScreenshot = 520, // Sent by vrclient application to compositor to take a screenshot
+ VREvent_ScreenshotTaken = 521, // Sent by compositor to the application that the screenshot has been taken
+ VREvent_ScreenshotFailed = 522, // Sent by compositor to the application that the screenshot failed to be taken
+ VREvent_SubmitScreenshotToDashboard = 523, // Sent by compositor to the dashboard that a completed screenshot was submitted
+ VREvent_ScreenshotProgressToDashboard = 524, // Sent by compositor to the dashboard that a completed screenshot was submitted
+
+ VREvent_PrimaryDashboardDeviceChanged = 525,
+ VREvent_RoomViewShown = 526, // Sent by compositor whenever room-view is enabled
+ VREvent_RoomViewHidden = 527, // Sent by compositor whenever room-view is disabled
+
+ 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_DriverRequestedQuit = 704, // The driver has requested that SteamVR shut down
+
+ VREvent_ChaperoneDataHasChanged = 800,
+ VREvent_ChaperoneUniverseHasChanged = 801,
+ VREvent_ChaperoneTempDataHasChanged = 802,
+ VREvent_ChaperoneSettingsHaveChanged = 803,
+ VREvent_SeatedZeroPoseReset = 804,
+
+ VREvent_AudioSettingsHaveChanged = 820,
+
+ VREvent_BackgroundSettingHasChanged = 850,
+ VREvent_CameraSettingsHaveChanged = 851,
+ VREvent_ReprojectionSettingHasChanged = 852,
+ VREvent_ModelSkinSettingsHaveChanged = 853,
+ VREvent_EnvironmentSettingsHaveChanged = 854,
+ VREvent_PowerSettingsHaveChanged = 855,
+ VREvent_EnableHomeAppSettingsHaveChanged = 856,
+ VREvent_SteamVRSectionSettingChanged = 857,
+ VREvent_LighthouseSectionSettingChanged = 858,
+ VREvent_NullSectionSettingChanged = 859,
+ VREvent_UserInterfaceSectionSettingChanged = 860,
+ VREvent_NotificationsSectionSettingChanged = 861,
+ VREvent_KeyboardSectionSettingChanged = 862,
+ VREvent_PerfSectionSettingChanged = 863,
+ VREvent_DashboardSectionSettingChanged = 864,
+ VREvent_WebInterfaceSectionSettingChanged = 865,
+
+ VREvent_StatusUpdate = 900,
+
+ VREvent_WebInterface_InstallDriverCompleted = 950,
+
+ VREvent_MCImageUpdated = 1000,
+
+ VREvent_FirmwareUpdateStarted = 1100,
+ VREvent_FirmwareUpdateFinished = 1101,
+
+ VREvent_KeyboardClosed = 1200,
+ VREvent_KeyboardCharInput = 1201,
+ VREvent_KeyboardDone = 1202, // Sent when DONE button clicked on keyboard
+
+ VREvent_ApplicationTransitionStarted = 1300,
+ VREvent_ApplicationTransitionAborted = 1301,
+ VREvent_ApplicationTransitionNewAppStarted = 1302,
+ VREvent_ApplicationListUpdated = 1303,
+ VREvent_ApplicationMimeTypeLoad = 1304,
+ VREvent_ApplicationTransitionNewAppLaunchComplete = 1305,
+ VREvent_ProcessConnected = 1306,
+ VREvent_ProcessDisconnected = 1307,
+
+ VREvent_Compositor_MirrorWindowShown = 1400,
+ VREvent_Compositor_MirrorWindowHidden = 1401,
+ VREvent_Compositor_ChaperoneBoundsShown = 1410,
+ VREvent_Compositor_ChaperoneBoundsHidden = 1411,
+
+ VREvent_TrackedCamera_StartVideoStream = 1500,
+ VREvent_TrackedCamera_StopVideoStream = 1501,
+ VREvent_TrackedCamera_PauseVideoStream = 1502,
+ VREvent_TrackedCamera_ResumeVideoStream = 1503,
+ VREvent_TrackedCamera_EditingSurface = 1550,
+
+ VREvent_PerformanceTest_EnableCapture = 1600,
+ VREvent_PerformanceTest_DisableCapture = 1601,
+ VREvent_PerformanceTest_FidelityLevel = 1602,
+
+ VREvent_MessageOverlay_Closed = 1650,
+ VREvent_MessageOverlayCloseRequested = 1651,
+
+ VREvent_Input_HapticVibration = 1700, // data is hapticVibration
+ VREvent_Input_BindingLoadFailed = 1701, // data is process
+ VREvent_Input_BindingLoadSuccessful = 1702, // data is process
+
+ // 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 */
+// UserInteraction_Timeout means the device is in the process of timing out.
+// InUse = ( k_EDeviceActivityLevel_UserInteraction || k_EDeviceActivityLevel_UserInteraction_Timeout )
+// VREvent_TrackedDeviceUserInteractionStarted fires when the devices transitions from Standby -> UserInteraction or Idle -> UserInteraction.
+// VREvent_TrackedDeviceUserInteractionEnded fires when the devices transitions from UserInteraction_Timeout -> Idle
+enum EDeviceActivityLevel
+{
+ k_EDeviceActivityLevel_Unknown = -1,
+ k_EDeviceActivityLevel_Idle = 0, // No activity for the last 10 seconds
+ k_EDeviceActivityLevel_UserInteraction = 1, // Activity (movement or prox sensor) is happening now
+ k_EDeviceActivityLevel_UserInteraction_Timeout = 2, // No activity for the last 0.5 seconds
+ k_EDeviceActivityLevel_Standby = 3, // Idle for at least 5 seconds (configurable in Settings -> Power Management)
+};
+
+
+/** 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_ProximitySensor = 31,
+
+ k_EButton_Axis0 = 32,
+ k_EButton_Axis1 = 33,
+ k_EButton_Axis2 = 34,
+ k_EButton_Axis3 = 35,
+ k_EButton_Axis4 = 36,
+
+ // aliases for well known controllers
+ k_EButton_SteamVR_Touchpad = k_EButton_Axis0,
+ k_EButton_SteamVR_Trigger = k_EButton_Axis1,
+
+ k_EButton_Dashboard_Back = k_EButton_Grip,
+
+ k_EButton_Max = 64
+};
+
+inline uint64_t ButtonMaskFromId( EVRButtonId id ) { return 1ull << id; }
+
+/** used for controller button events */
+struct VREvent_Controller_t
+{
+ uint32_t button; // EVRButtonId enum
+};
+
+
+/** used for simulated mouse events in overlay space */
+enum EVRMouseButton
+{
+ VRMouseButton_Left = 0x0001,
+ VRMouseButton_Right = 0x0002,
+ VRMouseButton_Middle = 0x0004,
+};
+
+
+/** used for simulated mouse events in overlay space */
+struct VREvent_Mouse_t
+{
+ float x, y; // co-ords are in GL space, bottom left of the texture is 0,0
+ uint32_t button; // EVRMouseButton enum
+};
+
+/** used for simulated mouse wheel scroll in overlay space */
+struct VREvent_Scroll_t
+{
+ float xdelta, ydelta; // movement in fraction of the pad traversed since last delta, 1.0 for a full swipe
+ uint32_t repeatCount;
+};
+
+/** when in mouse input mode you can receive data from the touchpad, these events are only sent if the users finger
+ is on the touchpad (or just released from it). These events are sent to overlays with the VROverlayFlags_SendVRTouchpadEvents
+ flag set.
+**/
+struct VREvent_TouchPadMove_t
+{
+ // true if the users finger is detected on the touch pad
+ bool bFingerDown;
+
+ // How long the finger has been down in seconds
+ float flSecondsFingerDown;
+
+ // These values indicate the starting finger position (so you can do some basic swipe stuff)
+ float fValueXFirst;
+ float fValueYFirst;
+
+ // This is the raw sampled coordinate without deadzoning
+ float fValueXRaw;
+ float fValueYRaw;
+};
+
+/** notification related events. Details will still change at this point */
+struct VREvent_Notification_t
+{
+ uint64_t ulUserValue;
+ uint32_t notificationId;
+};
+
+/** Used for events about processes */
+struct VREvent_Process_t
+{
+ uint32_t pid;
+ uint32_t oldPid;
+ bool bForced;
+};
+
+
+/** Used for a few events about overlays */
+struct VREvent_Overlay_t
+{
+ uint64_t overlayHandle;
+ uint64_t devicePath;
+};
+
+
+/** Used for a few events about overlays */
+struct VREvent_Status_t
+{
+ uint32_t statusState; // EVRState enum
+};
+
+/** Used for keyboard events **/
+struct VREvent_Keyboard_t
+{
+ char cNewInput[8]; // Up to 11 bytes of new input
+ uint64_t uUserValue; // Possible flags about the new input
+};
+
+struct VREvent_Ipd_t
+{
+ float ipdMeters;
+};
+
+struct VREvent_Chaperone_t
+{
+ uint64_t m_nPreviousUniverse;
+ uint64_t m_nCurrentUniverse;
+};
+
+/** Not actually used for any events */
+struct VREvent_Reserved_t
+{
+ uint64_t reserved0;
+ uint64_t reserved1;
+ uint64_t reserved2;
+ uint64_t reserved3;
+};
+
+struct VREvent_PerformanceTest_t
+{
+ uint32_t m_nFidelityLevel;
+};
+
+struct VREvent_SeatedZeroPoseReset_t
+{
+ bool bResetBySystemMenu;
+};
+
+struct VREvent_Screenshot_t
+{
+ uint32_t handle;
+ uint32_t type;
+};
+
+struct VREvent_ScreenshotProgress_t
+{
+ float progress;
+};
+
+struct VREvent_ApplicationLaunch_t
+{
+ uint32_t pid;
+ uint32_t unArgsHandle;
+};
+
+struct VREvent_EditingCameraSurface_t
+{
+ uint64_t overlayHandle;
+ uint32_t nVisualMode;
+};
+
+struct VREvent_MessageOverlay_t
+{
+ uint32_t unVRMessageOverlayResponse; // vr::VRMessageOverlayResponse enum
+};
+
+struct VREvent_Property_t
+{
+ PropertyContainerHandle_t container;
+ ETrackedDeviceProperty prop;
+};
+
+enum EDualAnalogWhich
+{
+ k_EDualAnalog_Left = 0,
+ k_EDualAnalog_Right = 1,
+};
+
+struct VREvent_DualAnalog_t
+{
+ float x, y; // coordinates are -1..1 analog values
+ float transformedX, transformedY; // transformed by the center and radius numbers provided by the overlay
+ EDualAnalogWhich which;
+};
+
+struct VREvent_HapticVibration_t
+{
+ uint64_t containerHandle; // property container handle of the device with the haptic component
+ uint64_t componentHandle; // Which haptic component needs to vibrate
+ float fDurationSeconds;
+ float fFrequency;
+ float fAmplitude;
+};
+
+struct VREvent_WebConsole_t
+{
+ WebConsoleHandle_t webConsoleHandle;
+};
+
+struct VREvent_InputBindingLoad_t
+{
+ vr::PropertyContainerHandle_t ulAppContainer;
+ uint64_t pathMessage;
+ uint64_t pathUrl;
+};
+
+
+/** NOTE!!! If you change this you MUST manually update openvr_interop.cs.py */
+typedef union
+{
+ VREvent_Reserved_t reserved;
+ VREvent_Controller_t controller;
+ VREvent_Mouse_t mouse;
+ VREvent_Scroll_t scroll;
+ VREvent_Process_t process;
+ VREvent_Notification_t notification;
+ VREvent_Overlay_t overlay;
+ VREvent_Status_t status;
+ VREvent_Keyboard_t keyboard;
+ VREvent_Ipd_t ipd;
+ VREvent_Chaperone_t chaperone;
+ VREvent_PerformanceTest_t performanceTest;
+ VREvent_TouchPadMove_t touchPadMove;
+ VREvent_SeatedZeroPoseReset_t seatedZeroPoseReset;
+ VREvent_Screenshot_t screenshot;
+ VREvent_ScreenshotProgress_t screenshotProgress;
+ VREvent_ApplicationLaunch_t applicationLaunch;
+ VREvent_EditingCameraSurface_t cameraSurface;
+ VREvent_MessageOverlay_t messageOverlay;
+ VREvent_Property_t property;
+ VREvent_DualAnalog_t dualAnalog;
+ VREvent_HapticVibration_t hapticVibration;
+ VREvent_WebConsole_t webConsole;
+ VREvent_InputBindingLoad_t inputBinding;
+} VREvent_Data_t;
+
+
+#if defined(__linux__) || defined(__APPLE__)
+// This structure was originally defined mis-packed on Linux, preserved for
+// compatibility.
+#pragma pack( push, 4 )
+#endif
+
+/** An event posted by the server to all running applications */
+struct VREvent_t
+{
+ uint32_t eventType; // EVREventType enum
+ TrackedDeviceIndex_t trackedDeviceIndex;
+ float eventAgeSeconds;
+ // event data must be the end of the struct as its size is variable
+ VREvent_Data_t data;
+};
+
+#if defined(__linux__) || defined(__APPLE__)
+#pragma pack( pop )
+#endif
+
+enum EVRInputError
+{
+ VRInputError_None = 0,
+ VRInputError_NameNotFound = 1,
+ VRInputError_WrongType = 2,
+ VRInputError_InvalidHandle = 3,
+ VRInputError_InvalidParam = 4,
+ VRInputError_NoSteam = 5,
+ VRInputError_MaxCapacityReached = 6,
+ VRInputError_IPCError = 7,
+ VRInputError_NoActiveActionSet = 8,
+ VRInputError_InvalidDevice = 9,
+ VRInputError_InvalidSkeleton = 10,
+ VRInputError_InvalidBoneCount = 11,
+ VRInputError_InvalidCompressedData = 12,
+ VRInputError_NoData = 13,
+ VRInputError_BufferTooSmall = 14,
+ VRInputError_MismatchedActionManifest = 15,
+};
+
+
+/** 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;
+};
+
+
+enum EHiddenAreaMeshType
+{
+ k_eHiddenAreaMesh_Standard = 0,
+ k_eHiddenAreaMesh_Inverse = 1,
+ k_eHiddenAreaMesh_LineLoop = 2,
+
+ k_eHiddenAreaMesh_Max = 3,
+};
+
+
+/** 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;
+
+
+#if defined(__linux__) || defined(__APPLE__)
+// This structure was originally defined mis-packed on Linux, preserved for
+// compatibility.
+#pragma pack( push, 4 )
+#endif
+
+/** 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 ];
+};
+#if defined(__linux__) || defined(__APPLE__)
+#pragma pack( pop )
+#endif
+
+
+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,
+ VROverlayError_TooManyMaskPrimitives = 29,
+ VROverlayError_BadMaskPrimitive = 30,
+ VROverlayError_TextureAlreadyLocked = 31,
+ VROverlayError_TextureLockCapacityReached = 32,
+ VROverlayError_TextureNotLocked = 33,
+};
+
+/** enum values to pass in to VR_Init to identify whether the application will
+* draw a 3D scene. */
+enum EVRApplicationType
+{
+ VRApplication_Other = 0, // Some other kind of application that isn't covered by the other entries
+ VRApplication_Scene = 1, // Application will submit 3D frames
+ VRApplication_Overlay = 2, // Application only interacts with overlays
+ VRApplication_Background = 3, // Application should not start SteamVR if it's not already running, and should not
+ // keep it running if everything else quits.
+ VRApplication_Utility = 4, // Init should not try to load any drivers. The application needs access to utility
+ // interfaces (like IVRSettings and IVRApplications) but not hardware.
+ VRApplication_VRMonitor = 5, // Reserved for vrmonitor
+ VRApplication_SteamWatchdog = 6,// Reserved for Steam
+ VRApplication_Bootstrapper = 7, // Start up SteamVR
+
+ VRApplication_Max
+};
+
+
+/** error codes for firmware */
+enum EVRFirmwareError
+{
+ VRFirmwareError_None = 0,
+ VRFirmwareError_Success = 1,
+ VRFirmwareError_Fail = 2,
+};
+
+
+/** error codes for notifications */
+enum EVRNotificationError
+{
+ VRNotificationError_OK = 0,
+ VRNotificationError_InvalidNotificationId = 100,
+ VRNotificationError_NotificationQueueFull = 101,
+ VRNotificationError_InvalidOverlayHandle = 102,
+ VRNotificationError_SystemWithUserValueAlreadyExists = 103,
+};
+
+
+/** Holds the transform for a single bone */
+struct VRBoneTransform_t
+{
+ HmdVector4_t position;
+ HmdQuaternionf_t orientation;
+};
+
+
+/** error codes returned by Vr_Init */
+
+// Please add adequate error description to https://developer.valvesoftware.com/w/index.php?title=Category:SteamVRHelp
+enum EVRInitError
+{
+ VRInitError_None = 0,
+ VRInitError_Unknown = 1,
+
+ VRInitError_Init_InstallationNotFound = 100,
+ VRInitError_Init_InstallationCorrupt = 101,
+ VRInitError_Init_VRClientDLLNotFound = 102,
+ VRInitError_Init_FileNotFound = 103,
+ VRInitError_Init_FactoryNotFound = 104,
+ VRInitError_Init_InterfaceNotFound = 105,
+ VRInitError_Init_InvalidInterface = 106,
+ VRInitError_Init_UserConfigDirectoryInvalid = 107,
+ VRInitError_Init_HmdNotFound = 108,
+ VRInitError_Init_NotInitialized = 109,
+ VRInitError_Init_PathRegistryNotFound = 110,
+ VRInitError_Init_NoConfigPath = 111,
+ VRInitError_Init_NoLogPath = 112,
+ VRInitError_Init_PathRegistryNotWritable = 113,
+ VRInitError_Init_AppInfoInitFailed = 114,
+ VRInitError_Init_Retry = 115, // Used internally to cause retries to vrserver
+ VRInitError_Init_InitCanceledByUser = 116, // The calling application should silently exit. The user canceled app startup
+ VRInitError_Init_AnotherAppLaunching = 117,
+ VRInitError_Init_SettingsInitFailed = 118,
+ VRInitError_Init_ShuttingDown = 119,
+ VRInitError_Init_TooManyObjects = 120,
+ VRInitError_Init_NoServerForBackgroundApp = 121,
+ VRInitError_Init_NotSupportedWithCompositor = 122,
+ VRInitError_Init_NotAvailableToUtilityApps = 123,
+ VRInitError_Init_Internal = 124,
+ VRInitError_Init_HmdDriverIdIsNone = 125,
+ VRInitError_Init_HmdNotFoundPresenceFailed = 126,
+ VRInitError_Init_VRMonitorNotFound = 127,
+ VRInitError_Init_VRMonitorStartupFailed = 128,
+ VRInitError_Init_LowPowerWatchdogNotSupported = 129,
+ VRInitError_Init_InvalidApplicationType = 130,
+ VRInitError_Init_NotAvailableToWatchdogApps = 131,
+ VRInitError_Init_WatchdogDisabledInSettings = 132,
+ VRInitError_Init_VRDashboardNotFound = 133,
+ VRInitError_Init_VRDashboardStartupFailed = 134,
+ VRInitError_Init_VRHomeNotFound = 135,
+ VRInitError_Init_VRHomeStartupFailed = 136,
+ VRInitError_Init_RebootingBusy = 137,
+ VRInitError_Init_FirmwareUpdateBusy = 138,
+ VRInitError_Init_FirmwareRecoveryBusy = 139,
+ VRInitError_Init_USBServiceBusy = 140,
+ VRInitError_Init_VRWebHelperStartupFailed = 141,
+
+ 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_Driver_TrackedDeviceInterfaceUnknown = 209,
+ // VRInitError_Driver_HmdDisplayNotFoundAfterFix = 210, // not needed: here for historic reasons
+ VRInitError_Driver_HmdDriverIdOutOfBounds = 211,
+ VRInitError_Driver_HmdDisplayMirrored = 212,
+
+ 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_IPC_CompositorConnectFailed = 306,
+ VRInitError_IPC_CompositorInvalidConnectResponse = 307,
+ VRInitError_IPC_ConnectFailedAfterMultipleAttempts = 308,
+
+ VRInitError_Compositor_Failed = 400,
+ VRInitError_Compositor_D3D11HardwareRequired = 401,
+ VRInitError_Compositor_FirmwareRequiresUpdate = 402,
+ VRInitError_Compositor_OverlayInitFailed = 403,
+ VRInitError_Compositor_ScreenshotsInitFailed = 404,
+ VRInitError_Compositor_UnableToCreateDevice = 405,
+
+ VRInitError_VendorSpecific_UnableToConnectToOculusRuntime = 1000,
+ VRInitError_VendorSpecific_WindowsNotInDevMode = 1001,
+
+ VRInitError_VendorSpecific_HmdFound_CantOpenDevice = 1101,
+ VRInitError_VendorSpecific_HmdFound_UnableToRequestConfigStart = 1102,
+ VRInitError_VendorSpecific_HmdFound_NoStoredConfig = 1103,
+ VRInitError_VendorSpecific_HmdFound_ConfigTooBig = 1104,
+ VRInitError_VendorSpecific_HmdFound_ConfigTooSmall = 1105,
+ VRInitError_VendorSpecific_HmdFound_UnableToInitZLib = 1106,
+ VRInitError_VendorSpecific_HmdFound_CantReadFirmwareVersion = 1107,
+ VRInitError_VendorSpecific_HmdFound_UnableToSendUserDataStart = 1108,
+ VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataStart = 1109,
+ VRInitError_VendorSpecific_HmdFound_UnableToGetUserDataNext = 1110,
+ VRInitError_VendorSpecific_HmdFound_UserDataAddressRange = 1111,
+ VRInitError_VendorSpecific_HmdFound_UserDataError = 1112,
+ VRInitError_VendorSpecific_HmdFound_ConfigFailedSanityCheck = 1113,
+
+ VRInitError_Steam_SteamInstallationNotFound = 2000,
+};
+
+enum EVRScreenshotType
+{
+ VRScreenshotType_None = 0,
+ VRScreenshotType_Mono = 1, // left eye only
+ VRScreenshotType_Stereo = 2,
+ VRScreenshotType_Cubemap = 3,
+ VRScreenshotType_MonoPanorama = 4,
+ VRScreenshotType_StereoPanorama = 5
+};
+
+enum EVRScreenshotPropertyFilenames
+{
+ VRScreenshotPropertyFilenames_Preview = 0,
+ VRScreenshotPropertyFilenames_VR = 1,
+};
+
+enum EVRTrackedCameraError
+{
+ VRTrackedCameraError_None = 0,
+ VRTrackedCameraError_OperationFailed = 100,
+ VRTrackedCameraError_InvalidHandle = 101,
+ VRTrackedCameraError_InvalidFrameHeaderVersion = 102,
+ VRTrackedCameraError_OutOfHandles = 103,
+ VRTrackedCameraError_IPCFailure = 104,
+ VRTrackedCameraError_NotSupportedForThisDevice = 105,
+ VRTrackedCameraError_SharedMemoryFailure = 106,
+ VRTrackedCameraError_FrameBufferingFailure = 107,
+ VRTrackedCameraError_StreamSetupFailure = 108,
+ VRTrackedCameraError_InvalidGLTextureId = 109,
+ VRTrackedCameraError_InvalidSharedTextureHandle = 110,
+ VRTrackedCameraError_FailedToGetGLTextureId = 111,
+ VRTrackedCameraError_SharedTextureFailure = 112,
+ VRTrackedCameraError_NoFrameAvailable = 113,
+ VRTrackedCameraError_InvalidArgument = 114,
+ VRTrackedCameraError_InvalidFrameBufferSize = 115,
+};
+
+enum EVRTrackedCameraFrameLayout
+{
+ EVRTrackedCameraFrameLayout_Mono = 0x0001,
+ EVRTrackedCameraFrameLayout_Stereo = 0x0002,
+ EVRTrackedCameraFrameLayout_VerticalLayout = 0x0010, // Stereo frames are Top/Bottom (left/right)
+ EVRTrackedCameraFrameLayout_HorizontalLayout = 0x0020, // Stereo frames are Left/Right
+};
+
+enum EVRTrackedCameraFrameType
+{
+ VRTrackedCameraFrameType_Distorted = 0, // This is the camera video frame size in pixels, still distorted.
+ VRTrackedCameraFrameType_Undistorted, // In pixels, an undistorted inscribed rectangle region without invalid regions. This size is subject to changes shortly.
+ VRTrackedCameraFrameType_MaximumUndistorted, // In pixels, maximum undistorted with invalid regions. Non zero alpha component identifies valid regions.
+ MAX_CAMERA_FRAME_TYPES
+};
+
+typedef uint64_t TrackedCameraHandle_t;
+#define INVALID_TRACKED_CAMERA_HANDLE ((vr::TrackedCameraHandle_t)0)
+
+struct CameraVideoStreamFrameHeader_t
+{
+ EVRTrackedCameraFrameType eFrameType;
+
+ uint32_t nWidth;
+ uint32_t nHeight;
+ uint32_t nBytesPerPixel;
+
+ uint32_t nFrameSequence;
+
+ TrackedDevicePose_t standingTrackedDevicePose;
+};
+
+// Screenshot types
+typedef uint32_t ScreenshotHandle_t;
+
+static const uint32_t k_unScreenshotHandleInvalid = 0;
+
+/** Frame timing data provided by direct mode drivers. */
+struct DriverDirectMode_FrameTiming
+{
+ uint32_t m_nSize; // Set to sizeof( DriverDirectMode_FrameTiming )
+ uint32_t m_nNumFramePresents; // number of times frame was presented
+ uint32_t m_nNumMisPresented; // number of times frame was presented on a vsync other than it was originally predicted to
+ uint32_t m_nNumDroppedFrames; // number of additional times previous frame was scanned out (i.e. compositor missed vsync)
+ uint32_t m_nReprojectionFlags;
+};
+
+enum EVSync
+{
+ VSync_None,
+ VSync_WaitRender, // block following render work until vsync
+ VSync_NoWaitRender, // do not block following render work (allow to get started early)
+};
+
+/** raw IMU data provided by IVRIOBuffer from paths to tracked devices with IMUs */
+enum Imu_OffScaleFlags
+{
+ OffScale_AccelX = 0x01,
+ OffScale_AccelY = 0x02,
+ OffScale_AccelZ = 0x04,
+ OffScale_GyroX = 0x08,
+ OffScale_GyroY = 0x10,
+ OffScale_GyroZ = 0x20,
+};
+
+struct ImuSample_t
+{
+ double fSampleTime;
+ HmdVector3d_t vAccel;
+ HmdVector3d_t vGyro;
+ uint32_t unOffScaleFlags;
+};
+
+#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
+
+} // namespace vr
+
+#endif // _INCLUDE_VRTYPES_H
+
+
+// vrannotation.h
+#ifdef API_GEN
+# 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 ";" )
+
+// 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 ) = 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;
+
+ /** Gets 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.
+ * Returns true for success. Otherwise, returns false, and distortion coordinates are not suitable. */
+ virtual bool ComputeDistortion( EVREye eEye, float fU, float fV, DistortionCoordinates_t *pDistortionCoordinates ) = 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 that the user should pass into EnumAdapters to create the device
+ * and swap chain in DX10 and DX11. If an error occurs the index will be set to -1.
+ */
+ virtual void GetDXGIOutputInfo( int32_t *pnAdapterIndex ) = 0;
+
+ /**
+ * Returns platform- and texture-type specific adapter identification so that applications and the
+ * compositor are creating textures and swap chains on the same GPU. If an error occurs the device
+ * will be set to 0.
+ * pInstance is an optional parameter that is required only when textureType is TextureType_Vulkan.
+ * [D3D10/11/12 Only (D3D9 Not Supported)]
+ * Returns the adapter LUID that identifies the GPU attached to the HMD. The user should
+ * enumerate all adapters using IDXGIFactory::EnumAdapters and IDXGIAdapter::GetDesc to find
+ * the adapter with the matching LUID, or use IDXGIFactory4::EnumAdapterByLuid.
+ * The discovered IDXGIAdapter should be used to create the device and swap chain.
+ * [Vulkan Only]
+ * Returns the VkPhysicalDevice that should be used by the application.
+ * pInstance must be the instance the application will use to query for the VkPhysicalDevice. The application
+ * must create the VkInstance with extensions returned by IVRCompositor::GetVulkanInstanceExtensionsRequired enabled.
+ * [macOS Only]
+ * For TextureType_IOSurface returns the id<MTLDevice> that should be used by the application.
+ * On 10.13+ for TextureType_OpenGL returns the 'registryId' of the renderer which should be used
+ * by the application. See Apple Technical Q&A QA1168 for information on enumerating GL Renderers, and the
+ * new kCGLRPRegistryIDLow and kCGLRPRegistryIDHigh CGLRendererProperty values in the 10.13 SDK.
+ * Pre 10.13 for TextureType_OpenGL returns 0, as there is no dependable way to correlate the HMDs MTLDevice
+ * with a GL Renderer.
+ */
+ virtual void GetOutputDevice( uint64_t *pnDevice, ETextureType textureType, VkInstance_T *pInstance = nullptr ) = 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 device. */
+ 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;
+
+ /** Returns the device index associated with a specific role, for example the left hand or the right hand. */
+ virtual vr::TrackedDeviceIndex_t GetTrackedDeviceIndexForControllerRole( vr::ETrackedControllerRole unDeviceType ) = 0;
+
+ /** Returns the controller type associated with a device index. */
+ virtual vr::ETrackedControllerRole GetControllerRoleForTrackedDeviceIndex( vr::TrackedDeviceIndex_t unDeviceIndex ) = 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 an array of one type of property. If the device index is not valid or the property is not a single value or an array of the specified type,
+ * this function will return 0. Otherwise it returns the number of bytes necessary to hold the array of properties. If unBufferSize is
+ * greater than the returned size and pBuffer is non-NULL, pBuffer is filled with the contents of array of properties. */
+ virtual uint32_t GetArrayTrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, ETrackedDeviceProperty prop, PropertyTypeTag_t propType, void *pBuffer, uint32_t unBufferSize, 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 always fit in buffers of k_unMaxPropertyStringSize 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. uncbVREvent should be the size in bytes of the VREvent_t struct */
+ virtual bool PollNextEvent( VREvent_t *pEvent, uint32_t uncbVREvent ) = 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.
+ uncbVREvent should be the size in bytes of the VREvent_t struct */
+ virtual bool PollNextEventWithPose( ETrackingUniverseOrigin eOrigin, VREvent_t *pEvent, uint32_t uncbVREvent, 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 hidden area mesh for the current HMD. The pixels covered by this mesh will never be seen by the user after the lens distortion is
+ * applied based on visibility to the panels. If this HMD does not have a hidden area 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.
+ * This will improve performance 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.
+ * Setting the bInverse argument to true will produce the visible area mesh that is commonly used in place of full-screen quads. The visible area mesh covers all of the pixels the hidden area mesh does not cover.
+ * Setting the bLineLoop argument will return a line loop of vertices in HiddenAreaMesh_t->pVertexData with HiddenAreaMesh_t->unTriangleCount set to the number of vertices.
+ */
+ virtual HiddenAreaMesh_t GetHiddenAreaMesh( EVREye eEye, EHiddenAreaMeshType type = k_eHiddenAreaMesh_Standard ) = 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, uint32_t unControllerStateSize ) = 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, uint32_t unControllerStateSize, 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;
+
+ /** Returns true if this application is receiving input from the system. This would return false if
+ * system-related functionality is consuming the input stream. */
+ virtual bool IsInputAvailable() = 0;
+
+ /** Returns true SteamVR is drawing controllers on top of the application. Applications should consider
+ * not drawing anything attached to the user's hands in this case. */
+ virtual bool IsSteamVRDrawingControllers() = 0;
+
+ /** Returns true if the user has put SteamVR into a mode that is distracting them from the application.
+ * For applications where this is appropriate, the application should pause ongoing activity. */
+ virtual bool ShouldApplicationPause() = 0;
+
+ /** Returns true if SteamVR is doing significant rendering work and the game should do what it can to reduce
+ * its own workload. One common way to do this is to reduce the size of the render target provided for each eye. */
+ virtual bool ShouldApplicationReduceRenderingWork() = 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, VR_OUT_STRING() 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_019";
+
+}
+
+
+// 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_IsTemplate = 114, // error when you try to call LaunchApplication() on a template type app (use LaunchTemplateApplication)
+ VRApplicationError_SteamVRIsExiting = 115,
+
+ 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,
+ VRApplicationError_InvalidParameter = 203,
+ };
+
+ /** 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_ActionManifestURL_String = 54,
+
+ VRApplicationProperty_IsDashboardOverlay_Bool = 60,
+ VRApplicationProperty_IsTemplate_Bool = 61,
+ VRApplicationProperty_IsInstanced_Bool = 62,
+ VRApplicationProperty_IsInternal_Bool = 63,
+ VRApplicationProperty_WantsCompositorPauseInStandby_Bool = 64,
+
+ VRApplicationProperty_LastLaunchTime_Uint64 = 70,
+ };
+
+ /** 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,
+ };
+
+ struct AppOverrideKeys_t
+ {
+ const char *pchKey;
+ const char *pchValue;
+ };
+
+ /** Currently recognized mime types */
+ static const char * const k_pch_MimeType_HomeApp = "vr/home";
+ static const char * const k_pch_MimeType_GameTheater = "vr/game_theater";
+
+ 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, VR_OUT_STRING() 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, VR_OUT_STRING() 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 an instance of an application of type template, with its app key being pchNewAppKey (which must be unique) and optionally override sections
+ * from the manifest file via AppOverrideKeys_t
+ */
+ virtual EVRApplicationError LaunchTemplateApplication( const char *pchTemplateAppKey, const char *pchNewAppKey, VR_ARRAY_COUNT( unKeys ) const AppOverrideKeys_t *pKeys, uint32_t unKeys ) = 0;
+
+ /** launches the application currently associated with this mime type and passes it the option args, typically the filename or object name of the item being launched */
+ virtual vr::EVRApplicationError LaunchApplicationFromMimeType( const char *pchMimeType, const char *pchArgs ) = 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;
+
+ /** Cancel a pending launch for an application */
+ virtual bool CancelApplicationLaunch( 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, VR_OUT_STRING() char *pchPropertyValueBuffer, uint32_t unPropertyValueBufferLen, EVRApplicationError *peError = nullptr ) = 0;
+
+ /** Returns a bool value for an application property. Returns false in all error cases. */
+ virtual bool GetApplicationPropertyBool( const char *pchAppKey, EVRApplicationProperty eProperty, EVRApplicationError *peError = nullptr ) = 0;
+
+ /** Returns a uint64 value for an application property. Returns 0 in all error cases. */
+ virtual uint64_t GetApplicationPropertyUint64( 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;
+
+ /** Adds this mime-type to the list of supported mime types for this application*/
+ virtual EVRApplicationError SetDefaultApplicationForMimeType( const char *pchAppKey, const char *pchMimeType ) = 0;
+
+ /** return the app key that will open this mime type */
+ virtual bool GetDefaultApplicationForMimeType( const char *pchMimeType, VR_OUT_STRING() char *pchAppKeyBuffer, uint32_t unAppKeyBufferLen ) = 0;
+
+ /** Get the list of supported mime types for this application, comma-delimited */
+ virtual bool GetApplicationSupportedMimeTypes( const char *pchAppKey, VR_OUT_STRING() char *pchMimeTypesBuffer, uint32_t unMimeTypesBuffer ) = 0;
+
+ /** Get the list of app-keys that support this mime type, comma-delimited, the return value is number of bytes you need to return the full string */
+ virtual uint32_t GetApplicationsThatSupportMimeType( const char *pchMimeType, VR_OUT_STRING() char *pchAppKeysThatSupportBuffer, uint32_t unAppKeysThatSupportBuffer ) = 0;
+
+ /** Get the args list from an app launch that had the process already running, you call this when you get a VREvent_ApplicationMimeTypeLoad */
+ virtual uint32_t GetApplicationLaunchArguments( uint32_t unHandle, VR_OUT_STRING() char *pchArgs, uint32_t unArgs ) = 0;
+
+ // --------------- Transition methods --------------- //
+
+ /** Returns the app key for the application that is starting up */
+ virtual EVRApplicationError GetStartingApplication( VR_OUT_STRING() 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;
+
+ /** Starts a subprocess within the calling application. This
+ * suppresses all application transition UI and automatically identifies the new executable
+ * as part of the same application. On success the calling process should exit immediately.
+ * If working directory is NULL or "" the directory portion of the binary path will be
+ * the working directory. */
+ virtual EVRApplicationError LaunchInternalProcess( const char *pchBinaryPath, const char *pchArguments, const char *pchWorkingDirectory ) = 0;
+
+ /** Returns the current scene process ID according to the application system. A scene process will get scene
+ * focus once it starts rendering, but it will appear here once it calls VR_Init with the Scene application
+ * type. */
+ virtual uint32_t GetCurrentSceneProcessId() = 0;
+ };
+
+ static const char * const IVRApplications_Version = "IVRApplications_006";
+
+} // namespace vr
+
+// ivrsettings.h
+namespace vr
+{
+ enum EVRSettingsError
+ {
+ VRSettingsError_None = 0,
+ VRSettingsError_IPCFailed = 1,
+ VRSettingsError_WriteFailed = 2,
+ VRSettingsError_ReadFailed = 3,
+ VRSettingsError_JsonParseFailed = 4,
+ VRSettingsError_UnsetSettingHasNoDefault = 5, // This will be returned if the setting does not appear in the appropriate default file and has not been set
+ };
+
+ // The maximum length of a settings key
+ static const uint32_t k_unMaxSettingsKeyLength = 128;
+
+ class IVRSettings
+ {
+ public:
+ virtual const char *GetSettingsErrorNameFromEnum( EVRSettingsError eError ) = 0;
+
+ // Returns true if file sync occurred (force or settings dirty)
+ virtual bool Sync( bool bForce = false, EVRSettingsError *peError = nullptr ) = 0;
+
+ virtual void SetBool( const char *pchSection, const char *pchSettingsKey, bool bValue, EVRSettingsError *peError = nullptr ) = 0;
+ virtual void SetInt32( const char *pchSection, const char *pchSettingsKey, int32_t nValue, EVRSettingsError *peError = nullptr ) = 0;
+ virtual void SetFloat( const char *pchSection, const char *pchSettingsKey, float flValue, EVRSettingsError *peError = nullptr ) = 0;
+ virtual void SetString( const char *pchSection, const char *pchSettingsKey, const char *pchValue, EVRSettingsError *peError = nullptr ) = 0;
+
+ // Users of the system need to provide a proper default in default.vrsettings in the resources/settings/ directory
+ // of either the runtime or the driver_xxx directory. Otherwise the default will be false, 0, 0.0 or ""
+ virtual bool GetBool( const char *pchSection, const char *pchSettingsKey, EVRSettingsError *peError = nullptr ) = 0;
+ virtual int32_t GetInt32( const char *pchSection, const char *pchSettingsKey, EVRSettingsError *peError = nullptr ) = 0;
+ virtual float GetFloat( const char *pchSection, const char *pchSettingsKey, EVRSettingsError *peError = nullptr ) = 0;
+ virtual void GetString( const char *pchSection, const char *pchSettingsKey, VR_OUT_STRING() char *pchValue, uint32_t unValueLen, EVRSettingsError *peError = nullptr ) = 0;
+
+ virtual void RemoveSection( const char *pchSection, EVRSettingsError *peError = nullptr ) = 0;
+ virtual void RemoveKeyInSection( const char *pchSection, const char *pchSettingsKey, EVRSettingsError *peError = nullptr ) = 0;
+ };
+
+ //-----------------------------------------------------------------------------
+ static const char * const IVRSettings_Version = "IVRSettings_002";
+
+ //-----------------------------------------------------------------------------
+ // steamvr keys
+ static const char * const k_pch_SteamVR_Section = "steamvr";
+ static const char * const k_pch_SteamVR_RequireHmd_String = "requireHmd";
+ static const char * const k_pch_SteamVR_ForcedDriverKey_String = "forcedDriver";
+ static const char * const k_pch_SteamVR_ForcedHmdKey_String = "forcedHmd";
+ static const char * const k_pch_SteamVR_DisplayDebug_Bool = "displayDebug";
+ static const char * const k_pch_SteamVR_DebugProcessPipe_String = "debugProcessPipe";
+ static const char * const k_pch_SteamVR_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_BackgroundUseDomeProjection_Bool = "backgroundUseDomeProjection";
+ static const char * const k_pch_SteamVR_BackgroundCameraHeight_Float = "backgroundCameraHeight";
+ static const char * const k_pch_SteamVR_BackgroundDomeRadius_Float = "backgroundDomeRadius";
+ static const char * const k_pch_SteamVR_GridColor_String = "gridColor";
+ static const char * const k_pch_SteamVR_PlayAreaColor_String = "playAreaColor";
+ static const char * const k_pch_SteamVR_ShowStage_Bool = "showStage";
+ static const char * const k_pch_SteamVR_ActivateMultipleDrivers_Bool = "activateMultipleDrivers";
+ static const char * const k_pch_SteamVR_DirectMode_Bool = "directMode";
+ static const char * const k_pch_SteamVR_DirectModeEdidVid_Int32 = "directModeEdidVid";
+ static const char * const k_pch_SteamVR_DirectModeEdidPid_Int32 = "directModeEdidPid";
+ static const char * const k_pch_SteamVR_UsingSpeakers_Bool = "usingSpeakers";
+ static const char * const k_pch_SteamVR_SpeakersForwardYawOffsetDegrees_Float = "speakersForwardYawOffsetDegrees";
+ static const char * const k_pch_SteamVR_BaseStationPowerManagement_Bool = "basestationPowerManagement";
+ static const char * const k_pch_SteamVR_NeverKillProcesses_Bool = "neverKillProcesses";
+ static const char * const k_pch_SteamVR_SupersampleScale_Float = "supersampleScale";
+ static const char * const k_pch_SteamVR_AllowAsyncReprojection_Bool = "allowAsyncReprojection";
+ static const char * const k_pch_SteamVR_AllowReprojection_Bool = "allowInterleavedReprojection";
+ static const char * const k_pch_SteamVR_ForceReprojection_Bool = "forceReprojection";
+ static const char * const k_pch_SteamVR_ForceFadeOnBadTracking_Bool = "forceFadeOnBadTracking";
+ static const char * const k_pch_SteamVR_DefaultMirrorView_Int32 = "defaultMirrorView";
+ static const char * const k_pch_SteamVR_ShowMirrorView_Bool = "showMirrorView";
+ static const char * const k_pch_SteamVR_MirrorViewGeometry_String = "mirrorViewGeometry";
+ static const char * const k_pch_SteamVR_StartMonitorFromAppLaunch = "startMonitorFromAppLaunch";
+ static const char * const k_pch_SteamVR_StartCompositorFromAppLaunch_Bool = "startCompositorFromAppLaunch";
+ static const char * const k_pch_SteamVR_StartDashboardFromAppLaunch_Bool = "startDashboardFromAppLaunch";
+ static const char * const k_pch_SteamVR_StartOverlayAppsFromDashboard_Bool = "startOverlayAppsFromDashboard";
+ static const char * const k_pch_SteamVR_EnableHomeApp = "enableHomeApp";
+ static const char * const k_pch_SteamVR_CycleBackgroundImageTimeSec_Int32 = "CycleBackgroundImageTimeSec";
+ static const char * const k_pch_SteamVR_RetailDemo_Bool = "retailDemo";
+ static const char * const k_pch_SteamVR_IpdOffset_Float = "ipdOffset";
+ static const char * const k_pch_SteamVR_AllowSupersampleFiltering_Bool = "allowSupersampleFiltering";
+ static const char * const k_pch_SteamVR_SupersampleManualOverride_Bool = "supersampleManualOverride";
+ static const char * const k_pch_SteamVR_EnableLinuxVulkanAsync_Bool = "enableLinuxVulkanAsync";
+ static const char * const k_pch_SteamVR_AllowDisplayLockedMode_Bool = "allowDisplayLockedMode";
+ static const char * const k_pch_SteamVR_HaveStartedTutorialForNativeChaperoneDriver_Bool = "haveStartedTutorialForNativeChaperoneDriver";
+ static const char * const k_pch_SteamVR_ForceWindows32bitVRMonitor = "forceWindows32BitVRMonitor";
+ static const char * const k_pch_SteamVR_DebugInput = "debugInput";
+ static const char * const k_pch_SteamVR_LegacyInputRebinding = "legacyInputRebinding";
+ static const char * const k_pch_SteamVR_DebugInputBinding = "debugInputBinding";
+
+ //-----------------------------------------------------------------------------
+ // 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_DisableIMUExceptHMD_Bool = "disableimuexcepthmd";
+ 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_DBHistory_Bool = "dbhistory";
+ static const char * const k_pch_Lighthouse_EnableBluetooth_Bool = "enableBluetooth";
+ static const char * const k_pch_Lighthouse_PowerManagedBaseStations_String = "PowerManagedBaseStations";
+
+ //-----------------------------------------------------------------------------
+ // null keys
+ static const char * const k_pch_Null_Section = "driver_null";
+ static const char * const k_pch_Null_SerialNumber_String = "serialNumber";
+ static const char * const k_pch_Null_ModelNumber_String = "modelNumber";
+ static const char * const k_pch_Null_WindowX_Int32 = "windowX";
+ static const char * const k_pch_Null_WindowY_Int32 = "windowY";
+ static const char * const k_pch_Null_WindowWidth_Int32 = "windowWidth";
+ static const char * const k_pch_Null_WindowHeight_Int32 = "windowHeight";
+ static const char * const k_pch_Null_RenderWidth_Int32 = "renderWidth";
+ static const char * const k_pch_Null_RenderHeight_Int32 = "renderHeight";
+ static const char * const k_pch_Null_SecondsFromVsyncToPhotons_Float = "secondsFromVsyncToPhotons";
+ static const char * const k_pch_Null_DisplayFrequency_Float = "displayFrequency";
+
+ //-----------------------------------------------------------------------------
+ // user interface keys
+ static const char * const k_pch_UserInterface_Section = "userinterface";
+ static const char * const k_pch_UserInterface_StatusAlwaysOnTop_Bool = "StatusAlwaysOnTop";
+ static const char * const k_pch_UserInterface_MinimizeToTray_Bool = "MinimizeToTray";
+ static const char * const k_pch_UserInterface_Screenshots_Bool = "screenshots";
+ static const char * const k_pch_UserInterface_ScreenshotType_Int = "screenshotType";
+
+ //-----------------------------------------------------------------------------
+ // notification keys
+ static const char * const k_pch_Notifications_Section = "notifications";
+ static const char * const k_pch_Notifications_DoNotDisturb_Bool = "DoNotDisturb";
+
+ //-----------------------------------------------------------------------------
+ // keyboard keys
+ static const char * const k_pch_Keyboard_Section = "keyboard";
+ static const char * const k_pch_Keyboard_TutorialCompletions = "TutorialCompletions";
+ static const char * const k_pch_Keyboard_ScaleX = "ScaleX";
+ static const char * const k_pch_Keyboard_ScaleY = "ScaleY";
+ static const char * const k_pch_Keyboard_OffsetLeftX = "OffsetLeftX";
+ static const char * const k_pch_Keyboard_OffsetRightX = "OffsetRightX";
+ static const char * const k_pch_Keyboard_OffsetY = "OffsetY";
+ static const char * const k_pch_Keyboard_Smoothing = "Smoothing";
+
+ //-----------------------------------------------------------------------------
+ // perf keys
+ static const char * const k_pch_Perf_Section = "perfcheck";
+ static const char * const k_pch_Perf_HeuristicActive_Bool = "heuristicActive";
+ static const char * const k_pch_Perf_NotifyInHMD_Bool = "warnInHMD";
+ static const char * const k_pch_Perf_NotifyOnlyOnce_Bool = "warnOnlyOnce";
+ static const char * const k_pch_Perf_AllowTimingStore_Bool = "allowTimingStore";
+ static const char * const k_pch_Perf_SaveTimingsOnExit_Bool = "saveTimingsOnExit";
+ static const char * const k_pch_Perf_TestData_Float = "perfTestData";
+ static const char * const k_pch_Perf_LinuxGPUProfiling_Bool = "linuxGPUProfiling";
+
+ //-----------------------------------------------------------------------------
+ // collision bounds keys
+ static const char * const k_pch_CollisionBounds_Section = "collisionBounds";
+ static const char * const k_pch_CollisionBounds_Style_Int32 = "CollisionBoundsStyle";
+ static const char * const k_pch_CollisionBounds_GroundPerimeterOn_Bool = "CollisionBoundsGroundPerimeterOn";
+ static const char * const k_pch_CollisionBounds_CenterMarkerOn_Bool = "CollisionBoundsCenterMarkerOn";
+ static const char * const k_pch_CollisionBounds_PlaySpaceOn_Bool = "CollisionBoundsPlaySpaceOn";
+ static const char * const k_pch_CollisionBounds_FadeDistance_Float = "CollisionBoundsFadeDistance";
+ static const char * const k_pch_CollisionBounds_ColorGammaR_Int32 = "CollisionBoundsColorGammaR";
+ static const char * const k_pch_CollisionBounds_ColorGammaG_Int32 = "CollisionBoundsColorGammaG";
+ static const char * const k_pch_CollisionBounds_ColorGammaB_Int32 = "CollisionBoundsColorGammaB";
+ static const char * const k_pch_CollisionBounds_ColorGammaA_Int32 = "CollisionBoundsColorGammaA";
+
+ //-----------------------------------------------------------------------------
+ // camera keys
+ static const char * const k_pch_Camera_Section = "camera";
+ static const char * const k_pch_Camera_EnableCamera_Bool = "enableCamera";
+ static const char * const k_pch_Camera_EnableCameraInDashboard_Bool = "enableCameraInDashboard";
+ static const char * const k_pch_Camera_EnableCameraForCollisionBounds_Bool = "enableCameraForCollisionBounds";
+ static const char * const k_pch_Camera_EnableCameraForRoomView_Bool = "enableCameraForRoomView";
+ static const char * const k_pch_Camera_BoundsColorGammaR_Int32 = "cameraBoundsColorGammaR";
+ static const char * const k_pch_Camera_BoundsColorGammaG_Int32 = "cameraBoundsColorGammaG";
+ static const char * const k_pch_Camera_BoundsColorGammaB_Int32 = "cameraBoundsColorGammaB";
+ static const char * const k_pch_Camera_BoundsColorGammaA_Int32 = "cameraBoundsColorGammaA";
+ static const char * const k_pch_Camera_BoundsStrength_Int32 = "cameraBoundsStrength";
+ static const char * const k_pch_Camera_RoomViewMode_Int32 = "cameraRoomViewMode";
+
+ //-----------------------------------------------------------------------------
+ // audio keys
+ static const char * const k_pch_audio_Section = "audio";
+ static const char * const k_pch_audio_OnPlaybackDevice_String = "onPlaybackDevice";
+ static const char * const k_pch_audio_OnRecordDevice_String = "onRecordDevice";
+ static const char * const k_pch_audio_OnPlaybackMirrorDevice_String = "onPlaybackMirrorDevice";
+ static const char * const k_pch_audio_OffPlaybackDevice_String = "offPlaybackDevice";
+ static const char * const k_pch_audio_OffRecordDevice_String = "offRecordDevice";
+ static const char * const k_pch_audio_VIVEHDMIGain = "viveHDMIGain";
+
+ //-----------------------------------------------------------------------------
+ // power management keys
+ static const char * const k_pch_Power_Section = "power";
+ static const char * const k_pch_Power_PowerOffOnExit_Bool = "powerOffOnExit";
+ static const char * const k_pch_Power_TurnOffScreensTimeout_Float = "turnOffScreensTimeout";
+ static const char * const k_pch_Power_TurnOffControllersTimeout_Float = "turnOffControllersTimeout";
+ static const char * const k_pch_Power_ReturnToWatchdogTimeout_Float = "returnToWatchdogTimeout";
+ static const char * const k_pch_Power_AutoLaunchSteamVROnButtonPress = "autoLaunchSteamVROnButtonPress";
+ static const char * const k_pch_Power_PauseCompositorOnStandby_Bool = "pauseCompositorOnStandby";
+
+ //-----------------------------------------------------------------------------
+ // dashboard keys
+ static const char * const k_pch_Dashboard_Section = "dashboard";
+ static const char * const k_pch_Dashboard_EnableDashboard_Bool = "enableDashboard";
+ static const char * const k_pch_Dashboard_ArcadeMode_Bool = "arcadeMode";
+ static const char * const k_pch_Dashboard_EnableWebUI = "webUI";
+ static const char * const k_pch_Dashboard_EnableWebUIDevTools = "webUIDevTools";
+
+ //-----------------------------------------------------------------------------
+ // model skin keys
+ static const char * const k_pch_modelskin_Section = "modelskins";
+
+ //-----------------------------------------------------------------------------
+ // driver keys - These could be checked in any driver_<name> section
+ static const char * const k_pch_Driver_Enable_Bool = "enable";
+
+ //-----------------------------------------------------------------------------
+ // web interface keys
+ static const char* const k_pch_WebInterface_Section = "WebInterface";
+ static const char* const k_pch_WebInterface_WebPort_String = "WebPort";
+
+ //-----------------------------------------------------------------------------
+ // tracking overrides - keys are device paths, values are the device paths their
+ // tracking/pose information overrides
+ static const char* const k_pch_TrackingOverride_Section = "TrackingOverrides";
+
+ //-----------------------------------------------------------------------------
+ // per-app keys - the section name for these is the app key itself. Some of these are prefixed by the controller type
+ static const char* const k_pch_App_BindingAutosaveURLSuffix_String = "AutosaveURL";
+ static const char* const k_pch_App_BindingCurrentURLSuffix_String = "CurrentURL";
+ static const char* const k_pch_App_NeedToUpdateAutosaveSuffix_Bool = "NeedToUpdateAutosave";
+ static const char* const k_pch_App_ActionManifestURL_String = "ActionManifestURL";
+
+} // namespace vr
+
+// ivrchaperone.h
+namespace vr
+{
+
+#pragma pack( push, 8 )
+
+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, // The UniverseID is invalid
+ ChaperoneCalibrationState_Error_BaseStationUninitialized = 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, HmdColor_t *pOutputCameraColor ) = 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
+};
+
+enum EChaperoneImportFlags
+{
+ EChaperoneImport_BoundsOnly = 0x0001,
+};
+
+/** 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;
+
+ virtual void SetWorkingCollisionBoundsTagsInfo( VR_ARRAY_COUNT(unTagCount) uint8_t *pTagsBuffer, uint32_t unTagCount ) = 0;
+ virtual bool GetLiveCollisionBoundsTagsInfo( VR_OUT_ARRAY_COUNT(punTagCount) uint8_t *pTagsBuffer, uint32_t *punTagCount ) = 0;
+
+ virtual bool SetWorkingPhysicalBoundsInfo( VR_ARRAY_COUNT(unQuadsCount) HmdQuad_t *pQuadsBuffer, uint32_t unQuadsCount ) = 0;
+ virtual bool GetLivePhysicalBoundsInfo( VR_OUT_ARRAY_COUNT(punQuadsCount) HmdQuad_t *pQuadsBuffer, uint32_t* punQuadsCount ) = 0;
+
+ virtual bool ExportLiveToBuffer( VR_OUT_STRING() char *pBuffer, uint32_t *pnBufferLength ) = 0;
+ virtual bool ImportFromBufferToWorking( const char *pBuffer, uint32_t nImportFlags ) = 0;
+};
+
+static const char * const IVRChaperoneSetup_Version = "IVRChaperoneSetup_005";
+
+
+}
+
+// ivrcompositor.h
+namespace vr
+{
+
+#pragma pack( push, 8 )
+
+/** Errors that can occur with the VR compositor */
+enum EVRCompositorError
+{
+ VRCompositorError_None = 0,
+ VRCompositorError_RequestFailed = 1,
+ VRCompositorError_IncompatibleVersion = 100,
+ VRCompositorError_DoNotHaveFocus = 101,
+ VRCompositorError_InvalidTexture = 102,
+ VRCompositorError_IsNotSceneApplication = 103,
+ VRCompositorError_TextureIsOnWrongDevice = 104,
+ VRCompositorError_TextureUsesUnsupportedFormat = 105,
+ VRCompositorError_SharedTexturesNotSupported = 106,
+ VRCompositorError_IndexOutOfRange = 107,
+ VRCompositorError_AlreadySubmitted = 108,
+ VRCompositorError_InvalidBounds = 109,
+};
+
+/** Timing mode passed to SetExplicitTimingMode(); see that function for documentation */
+enum EVRCompositorTimingMode
+{
+ VRCompositorTimingMode_Implicit = 0,
+ VRCompositorTimingMode_Explicit_RuntimePerformsPostPresentHandoff = 1,
+ VRCompositorTimingMode_Explicit_ApplicationPerformsPostPresentHandoff = 2,
+};
+
+const uint32_t VRCompositor_ReprojectionReason_Cpu = 0x01;
+const uint32_t VRCompositor_ReprojectionReason_Gpu = 0x02;
+const uint32_t VRCompositor_ReprojectionAsync = 0x04; // This flag indicates the async reprojection mode is active,
+ // but does not indicate if reprojection actually happened or not.
+ // Use the ReprojectionReason flags above to check if reprojection
+ // was actually applied (i.e. scene texture was reused).
+ // NumFramePresents > 1 also indicates the scene texture was reused,
+ // and also the number of times that it was presented in total.
+
+/** Provides a single frame's timing information to the app */
+struct Compositor_FrameTiming
+{
+ uint32_t m_nSize; // Set to sizeof( Compositor_FrameTiming )
+ uint32_t m_nFrameIndex;
+ uint32_t m_nNumFramePresents; // number of times this frame was presented
+ uint32_t m_nNumMisPresented; // number of times this frame was presented on a vsync other than it was originally predicted to
+ uint32_t m_nNumDroppedFrames; // number of additional times previous frame was scanned out
+ uint32_t m_nReprojectionFlags;
+
+ /** Absolute time reference for comparing frames. This aligns with the vsync that running start is relative to. */
+ double m_flSystemTimeInSeconds;
+
+ /** These times may include work from other processes due to OS scheduling.
+ * The fewer packets of work these are broken up into, the less likely this will happen.
+ * GPU work can be broken up by calling Flush. This can sometimes be useful to get the GPU started
+ * processing that work earlier in the frame. */
+ float m_flPreSubmitGpuMs; // time spent rendering the scene (gpu work submitted between WaitGetPoses and second Submit)
+ float m_flPostSubmitGpuMs; // additional time spent rendering by application (e.g. companion window)
+ float m_flTotalRenderGpuMs; // time between work submitted immediately after present (ideally vsync) until the end of compositor submitted work
+ float m_flCompositorRenderGpuMs; // time spend performing distortion correction, rendering chaperone, overlays, etc.
+ float m_flCompositorRenderCpuMs; // time spent on cpu submitting the above work for this frame
+ float m_flCompositorIdleCpuMs; // time spent waiting for running start (application could have used this much more time)
+
+ /** Miscellaneous measured intervals. */
+ float m_flClientFrameIntervalMs; // time between calls to WaitGetPoses
+ float m_flPresentCallCpuMs; // time blocked on call to present (usually 0.0, but can go long)
+ float m_flWaitForPresentCpuMs; // time spent spin-waiting for frame index to change (not near-zero indicates wait object failure)
+ float m_flSubmitFrameMs; // time spent in IVRCompositor::Submit (not near-zero indicates driver issue)
+
+ /** The following are all relative to this frame's SystemTimeInSeconds */
+ float m_flWaitGetPosesCalledMs;
+ float m_flNewPosesReadyMs;
+ float m_flNewFrameReadyMs; // second call to IVRCompositor::Submit
+ float m_flCompositorUpdateStartMs;
+ float m_flCompositorUpdateEndMs;
+ float m_flCompositorRenderStartMs;
+
+ vr::TrackedDevicePose_t m_HmdPose; // pose used by app to render this frame
+};
+
+/** Cumulative stats for current application. These are not cleared until a new app connects,
+* but they do stop accumulating once the associated app disconnects. */
+struct Compositor_CumulativeStats
+{
+ uint32_t m_nPid; // Process id associated with these stats (may no longer be running).
+ uint32_t m_nNumFramePresents; // total number of times we called present (includes reprojected frames)
+ uint32_t m_nNumDroppedFrames; // total number of times an old frame was re-scanned out (without reprojection)
+ uint32_t m_nNumReprojectedFrames; // total number of times a frame was scanned out a second time (with reprojection)
+
+ /** Values recorded at startup before application has fully faded in the first time. */
+ uint32_t m_nNumFramePresentsOnStartup;
+ uint32_t m_nNumDroppedFramesOnStartup;
+ uint32_t m_nNumReprojectedFramesOnStartup;
+
+ /** Applications may explicitly fade to the compositor. This is usually to handle level transitions, and loading often causes
+ * system wide hitches. The following stats are collected during this period. Does not include values recorded during startup. */
+ uint32_t m_nNumLoading;
+ uint32_t m_nNumFramePresentsLoading;
+ uint32_t m_nNumDroppedFramesLoading;
+ uint32_t m_nNumReprojectedFramesLoading;
+
+ /** If we don't get a new frame from the app in less than 2.5 frames, then we assume the app has hung and start
+ * fading back to the compositor. The following stats are a result of this, and are a subset of those recorded above.
+ * Does not include values recorded during start up or loading. */
+ uint32_t m_nNumTimedOut;
+ uint32_t m_nNumFramePresentsTimedOut;
+ uint32_t m_nNumDroppedFramesTimedOut;
+ uint32_t m_nNumReprojectedFramesTimedOut;
+};
+
+#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;
+
+ /** Scene applications should call this function to get poses to render with (and optionally poses predicted an additional frame out to use for gameplay).
+ * This function will block until "running start" milliseconds before the start of the frame, and should be called at the last moment before needing to
+ * start rendering.
+ *
+ * Return codes:
+ * - IsNotSceneApplication (make sure to call VR_Init with VRApplicaiton_Scene)
+ * - DoNotHaveFocus (some other app has taken focus - this will throttle the call to 10hz to reduce the impact on that app)
+ */
+ 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;
+
+ /** Interface for accessing last set of poses returned by WaitGetPoses one at a time.
+ * Returns VRCompositorError_IndexOutOfRange if unDeviceIndex not less than k_unMaxTrackedDeviceCount otherwise VRCompositorError_None.
+ * It is okay to pass NULL for either pose if you only want one of the values. */
+ virtual EVRCompositorError GetLastPoseForTrackedDeviceIndex( TrackedDeviceIndex_t unDeviceIndex, TrackedDevicePose_t *pOutputPose, TrackedDevicePose_t *pOutputGamePose ) = 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
+ *
+ * Return codes:
+ * - IsNotSceneApplication (make sure to call VR_Init with VRApplicaiton_Scene)
+ * - DoNotHaveFocus (some other app has taken focus)
+ * - TextureIsOnWrongDevice (application did not use proper AdapterIndex - see IVRSystem.GetDXGIOutputInfo)
+ * - SharedTexturesNotSupported (application needs to call CreateDXGIFactory1 or later before creating DX device)
+ * - TextureUsesUnsupportedFormat (scene textures must be compatible with DXGI sharing rules - e.g. uncompressed, no mips, etc.)
+ * - InvalidTexture (usually means bad arguments passed in)
+ * - AlreadySubmitted (app has submitted two left textures or two right textures in a single frame - i.e. before calling WaitGetPoses again)
+ */
+ 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;
+
+ /** Interface for copying a range of timing data. Frames are returned in ascending order (oldest to newest) with the last being the most recent frame.
+ * Only the first entry's m_nSize needs to be set, as the rest will be inferred from that. Returns total number of entries filled out. */
+ virtual uint32_t GetFrameTimings( Compositor_FrameTiming *pTiming, uint32_t nFrames ) = 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;
+
+ /** Fills out stats accumulated for the last connected application. Pass in sizeof( Compositor_CumulativeStats ) as second parameter. */
+ virtual void GetCumulativeStats( Compositor_CumulativeStats *pStats, uint32_t nStatsSizeInBytes ) = 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;
+
+ /** Get current fade color value. */
+ virtual HmdColor_t GetCurrentFadeColor( bool bBackground = false ) = 0;
+
+ /** Fading the Grid in or out in fSeconds */
+ virtual void FadeGrid( float fSeconds, bool bFadeIn ) = 0;
+
+ /** Get current alpha value of grid. */
+ virtual float GetCurrentGridAlpha() = 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;
+
+ /** Let an app know it should be rendering with low resources. */
+ virtual bool ShouldAppRenderWithLowResources() = 0;
+
+ /** Override interleaved reprojection logic to force on. */
+ virtual void ForceInterleavedReprojectionOn( bool bOverride ) = 0;
+
+ /** Force reconnecting to the compositor process. */
+ virtual void ForceReconnectProcess() = 0;
+
+ /** Temporarily suspends rendering (useful for finer control over scene transitions). */
+ virtual void SuspendRendering( bool bSuspend ) = 0;
+
+ /** Opens a shared D3D11 texture with the undistorted composited image for each eye. Use ReleaseMirrorTextureD3D11 when finished
+ * instead of calling Release on the resource itself. */
+ virtual vr::EVRCompositorError GetMirrorTextureD3D11( vr::EVREye eEye, void *pD3D11DeviceOrResource, void **ppD3D11ShaderResourceView ) = 0;
+ virtual void ReleaseMirrorTextureD3D11( void *pD3D11ShaderResourceView ) = 0;
+
+ /** Access to mirror textures from OpenGL. */
+ virtual vr::EVRCompositorError GetMirrorTextureGL( vr::EVREye eEye, vr::glUInt_t *pglTextureId, vr::glSharedTextureHandle_t *pglSharedTextureHandle ) = 0;
+ virtual bool ReleaseSharedGLTexture( vr::glUInt_t glTextureId, vr::glSharedTextureHandle_t glSharedTextureHandle ) = 0;
+ virtual void LockGLSharedTextureForAccess( vr::glSharedTextureHandle_t glSharedTextureHandle ) = 0;
+ virtual void UnlockGLSharedTextureForAccess( vr::glSharedTextureHandle_t glSharedTextureHandle ) = 0;
+
+ /** [Vulkan Only]
+ * return 0. Otherwise it returns the length of the number of bytes necessary to hold this string including the trailing
+ * null. The string will be a space separated list of-required instance extensions to enable in VkCreateInstance */
+ virtual uint32_t GetVulkanInstanceExtensionsRequired( VR_OUT_STRING() char *pchValue, uint32_t unBufferSize ) = 0;
+
+ /** [Vulkan only]
+ * return 0. Otherwise it returns the length of the number of bytes necessary to hold this string including the trailing
+ * null. The string will be a space separated list of required device extensions to enable in VkCreateDevice */
+ virtual uint32_t GetVulkanDeviceExtensionsRequired( VkPhysicalDevice_T *pPhysicalDevice, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize ) = 0;
+
+ /** [ Vulkan/D3D12 Only ]
+ * There are two purposes for SetExplicitTimingMode:
+ * 1. To get a more accurate GPU timestamp for when the frame begins in Vulkan/D3D12 applications.
+ * 2. (Optional) To avoid having WaitGetPoses access the Vulkan queue so that the queue can be accessed from
+ * another thread while WaitGetPoses is executing.
+ *
+ * More accurate GPU timestamp for the start of the frame is achieved by the application calling
+ * SubmitExplicitTimingData immediately before its first submission to the Vulkan/D3D12 queue.
+ * This is more accurate because normally this GPU timestamp is recorded during WaitGetPoses. In D3D11,
+ * WaitGetPoses queues a GPU timestamp write, but it does not actually get submitted to the GPU until the
+ * application flushes. By using SubmitExplicitTimingData, the timestamp is recorded at the same place for
+ * Vulkan/D3D12 as it is for D3D11, resulting in a more accurate GPU time measurement for the frame.
+ *
+ * Avoiding WaitGetPoses accessing the Vulkan queue can be achieved using SetExplicitTimingMode as well. If this is desired,
+ * the application should set the timing mode to Explicit_ApplicationPerformsPostPresentHandoff and *MUST* call PostPresentHandoff
+ * itself. If these conditions are met, then WaitGetPoses is guaranteed not to access the queue. Note that PostPresentHandoff
+ * and SubmitExplicitTimingData will access the queue, so only WaitGetPoses becomes safe for accessing the queue from another
+ * thread. */
+ virtual void SetExplicitTimingMode( EVRCompositorTimingMode eTimingMode ) = 0;
+
+ /** [ Vulkan/D3D12 Only ]
+ * Submit explicit timing data. When SetExplicitTimingMode is true, this must be called immediately before
+ * the application's first vkQueueSubmit (Vulkan) or ID3D12CommandQueue::ExecuteCommandLists (D3D12) of each frame.
+ * This function will insert a GPU timestamp write just before the application starts its rendering. This function
+ * will perform a vkQueueSubmit on Vulkan so must not be done simultaneously with VkQueue operations on another thread.
+ * Returns VRCompositorError_RequestFailed if SetExplicitTimingMode is not enabled. */
+ virtual EVRCompositorError SubmitExplicitTimingData() = 0;
+};
+
+static const char * const IVRCompositor_Version = "IVRCompositor_022";
+
+} // namespace vr
+
+
+
+// ivrnotifications.h
+namespace vr
+{
+
+#pragma pack( push, 8 )
+
+// Used for passing graphic data
+struct NotificationBitmap_t
+{
+ NotificationBitmap_t()
+ : m_pImageData( nullptr )
+ , m_nWidth( 0 )
+ , m_nHeight( 0 )
+ , m_nBytesPerPixel( 0 )
+ {
+ };
+
+ void *m_pImageData;
+ int32_t m_nWidth;
+ int32_t m_nHeight;
+ int32_t m_nBytesPerPixel;
+};
+
+
+/** Be aware that the notification type is used as 'priority' to pick the next notification */
+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,
+
+ /** System notifications are shown no matter what. It is expected, that the ulUserValue is used as ID.
+ * If there is already a system notification in the queue with that ID it is not accepted into the queue
+ * to prevent spamming with system notification */
+ EVRNotificationType_Transient_SystemWithUserValue = 2,
+};
+
+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 = 64;
+
+ /** The maximum number of overlay intersection mask primitives per overlay */
+ static const uint32_t k_unMaxOverlayIntersectionMaskPrimitivesCount = 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
+ VROverlayInputMethod_DualAnalog = 2, // Analog inputs from tracked controllers are turned into DualAnalog events
+ };
+
+ /** Allows the caller to figure out which overlay transform getter to call. */
+ enum VROverlayTransformType
+ {
+ VROverlayTransform_Absolute = 0,
+ VROverlayTransform_TrackedDeviceRelative = 1,
+ VROverlayTransform_SystemOverlay = 2,
+ VROverlayTransform_TrackedComponent = 3,
+ };
+
+ /** 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,
+
+ // When in VROverlayInputMethod_Mouse you can optionally enable sending VRScroll_t
+ VROverlayFlags_SendVRScrollEvents = 6,
+ VROverlayFlags_SendVRTouchpadEvents = 7,
+
+ // If set this will render a vertical scroll wheel on the primary controller,
+ // only needed if not using VROverlayFlags_SendVRScrollEvents but you still want to represent a scroll wheel
+ VROverlayFlags_ShowTouchPadScrollWheel = 8,
+
+ // If this is set ownership and render access to the overlay are transferred
+ // to the new scene process on a call to IVRApplications::LaunchInternalProcess
+ VROverlayFlags_TransferOwnershipToInternalProcess = 9,
+
+ // If set, renders 50% of the texture in each eye, side by side
+ VROverlayFlags_SideBySide_Parallel = 10, // Texture is left/right
+ VROverlayFlags_SideBySide_Crossed = 11, // Texture is crossed and right/left
+
+ VROverlayFlags_Panorama = 12, // Texture is a panorama
+ VROverlayFlags_StereoPanorama = 13, // Texture is a stereo panorama
+
+ // If this is set on an overlay owned by the scene application that overlay
+ // will be sorted with the "Other" overlays on top of all other scene overlays
+ VROverlayFlags_SortWithNonSceneOverlays = 14,
+
+ // If set, the overlay will be shown in the dashboard, otherwise it will be hidden.
+ VROverlayFlags_VisibleInDashboard = 15,
+ };
+
+ enum VRMessageOverlayResponse
+ {
+ VRMessageOverlayResponse_ButtonPress_0 = 0,
+ VRMessageOverlayResponse_ButtonPress_1 = 1,
+ VRMessageOverlayResponse_ButtonPress_2 = 2,
+ VRMessageOverlayResponse_ButtonPress_3 = 3,
+ VRMessageOverlayResponse_CouldntFindSystemOverlay = 4,
+ VRMessageOverlayResponse_CouldntFindOrCreateClientOverlay= 5,
+ VRMessageOverlayResponse_ApplicationQuit = 6
+ };
+
+ 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,
+ k_EGamepadTextInputModeSubmit = 2,
+ };
+
+ // 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,
+ };
+
+ enum EVROverlayIntersectionMaskPrimitiveType
+ {
+ OverlayIntersectionPrimitiveType_Rectangle,
+ OverlayIntersectionPrimitiveType_Circle,
+ };
+
+ struct IntersectionMaskRectangle_t
+ {
+ float m_flTopLeftX;
+ float m_flTopLeftY;
+ float m_flWidth;
+ float m_flHeight;
+ };
+
+ struct IntersectionMaskCircle_t
+ {
+ float m_flCenterX;
+ float m_flCenterY;
+ float m_flRadius;
+ };
+
+ /** NOTE!!! If you change this you MUST manually update openvr_interop.cs.py and openvr_api_flat.h.py */
+ typedef union
+ {
+ IntersectionMaskRectangle_t m_Rectangle;
+ IntersectionMaskCircle_t m_Circle;
+ } VROverlayIntersectionMaskPrimitive_Data_t;
+
+ struct VROverlayIntersectionMaskPrimitive_t
+ {
+ EVROverlayIntersectionMaskPrimitiveType m_nPrimitiveType;
+ VROverlayIntersectionMaskPrimitive_Data_t m_Primitive;
+ };
+
+ 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 *pchOverlayName, 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).
+ * This mode does not support mouse input to your overlay. */
+ 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;
+
+ /** set the name to use for this overlay */
+ virtual EVROverlayError SetOverlayName( VROverlayHandle_t ulOverlayHandle, const char *pchName ) = 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
+ // ---------------------------------------------
+
+ /** Sets the pid that is allowed to render to this overlay (the creator pid is always allow to render),
+ * by default this is the pid of the process that made the overlay */
+ virtual EVROverlayError SetOverlayRenderingPid( VROverlayHandle_t ulOverlayHandle, uint32_t unPID ) = 0;
+
+ /** Gets the pid that is allowed to render to this overlay */
+ virtual uint32_t GetOverlayRenderingPid( VROverlayHandle_t ulOverlayHandle ) = 0;
+
+ /** 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 aspect ratio of the texels in the overlay. 1.0 means the texels are square. 2.0 means the texels
+ * are twice as wide as they are tall. Defaults to 1.0. */
+ virtual EVROverlayError SetOverlayTexelAspect( VROverlayHandle_t ulOverlayHandle, float fTexelAspect ) = 0;
+
+ /** Gets the aspect ratio of the texels in the overlay. Defaults to 1.0 */
+ virtual EVROverlayError GetOverlayTexelAspect( VROverlayHandle_t ulOverlayHandle, float *pfTexelAspect ) = 0;
+
+ /** Sets the rendering sort order for the overlay. Overlays are rendered this order:
+ * Overlays owned by the scene application
+ * Overlays owned by some other application
+ *
+ * Within a category overlays are rendered lowest sort order to highest sort order. Overlays with the same
+ * sort order are rendered back to front base on distance from the HMD.
+ *
+ * Sort order defaults to 0. */
+ virtual EVROverlayError SetOverlaySortOrder( VROverlayHandle_t ulOverlayHandle, uint32_t unSortOrder ) = 0;
+
+ /** Gets the sort order of the overlay. See SetOverlaySortOrder for how this works. */
+ virtual EVROverlayError GetOverlaySortOrder( VROverlayHandle_t ulOverlayHandle, uint32_t *punSortOrder ) = 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;
+
+ /** Gets render model to draw behind this overlay */
+ virtual uint32_t GetOverlayRenderModel( vr::VROverlayHandle_t ulOverlayHandle, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize, HmdColor_t *pColor, vr::EVROverlayError *pError ) = 0;
+
+ /** Sets render model to draw behind this overlay and the vertex color to use, pass null for pColor to match the overlays vertex color.
+ The model is scaled by the same amount as the overlay, with a default of 1m. */
+ virtual vr::EVROverlayError SetOverlayRenderModel( vr::VROverlayHandle_t ulOverlayHandle, const char *pchRenderModel, const HmdColor_t *pColor ) = 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;
+
+ /** Sets the transform to draw the overlay on a rendermodel component mesh instead of a quad. This will only draw when the system is
+ * drawing the device. Overlays with this transform type cannot receive mouse events. */
+ virtual EVROverlayError SetOverlayTransformTrackedDeviceComponent( VROverlayHandle_t ulOverlayHandle, TrackedDeviceIndex_t unDeviceIndex, const char *pchComponentName ) = 0;
+
+ /** Gets the transform information when the overlay is rendering on a component. */
+ virtual EVROverlayError GetOverlayTransformTrackedDeviceComponent( VROverlayHandle_t ulOverlayHandle, TrackedDeviceIndex_t *punDeviceIndex, VR_OUT_STRING() char *pchComponentName, uint32_t unComponentNameSize ) = 0;
+
+ /** Gets the transform if it is relative to another overlay. Returns an error if the transform is some other type. */
+ virtual vr::EVROverlayError GetOverlayTransformOverlayRelative( VROverlayHandle_t ulOverlayHandle, VROverlayHandle_t *ulOverlayHandleParent, HmdMatrix34_t *pmatParentOverlayToOverlayTransform ) = 0;
+
+ /** Sets the transform to relative to the transform of the specified overlay. This overlays visibility will also track the parents visibility */
+ virtual vr::EVROverlayError SetOverlayTransformOverlayRelative( VROverlayHandle_t ulOverlayHandle, VROverlayHandle_t ulOverlayHandleParent, const HmdMatrix34_t *pmatParentOverlayToOverlayTransform ) = 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;
+
+ /** Get the transform in 3d space associated with a specific 2d point in the overlay's coordinate space (where 0,0 is the lower left). -Z points out of the overlay */
+ virtual EVROverlayError GetTransformForOverlayCoordinates( VROverlayHandle_t ulOverlayHandle, ETrackingUniverseOrigin eTrackingOrigin, HmdVector2_t coordinatesInOverlay, HmdMatrix34_t *pmatTransform ) = 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. uncbVREvent should be the size in bytes of the VREvent_t struct */
+ virtual bool PollNextOverlayEvent( VROverlayHandle_t ulOverlayHandle, VREvent_t *pEvent, uint32_t uncbVREvent ) = 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 (not in world space). */
+ 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;
+
+ /** 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;
+
+ /** Sets the analog input to Dual Analog coordinate scale for the specified overlay. */
+ virtual EVROverlayError SetOverlayDualAnalogTransform( VROverlayHandle_t ulOverlay, EDualAnalogWhich eWhich, const HmdVector2_t & vCenter, float fRadius ) = 0;
+
+ /** Gets the analog input to Dual Analog coordinate scale for the specified overlay. */
+ virtual EVROverlayError GetOverlayDualAnalogTransform( VROverlayHandle_t ulOverlay, EDualAnalogWhich eWhich, HmdVector2_t *pvCenter, float *pfRadius ) = 0;
+
+ // ---------------------------------------------
+ // Overlay texture methods
+ // ---------------------------------------------
+
+ /** Texture to draw for the overlay. This function can only be called by the overlay's creator or renderer process (see SetOverlayRenderingPid) .
+ *
+ * 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;
+
+ /** Get the native texture handle/device for an overlay you have created.
+ * On windows this handle will be a ID3D11ShaderResourceView with a ID3D11Texture2D bound.
+ *
+ * The texture will always be sized to match the backing texture you supplied in SetOverlayTexture above.
+ *
+ * You MUST call ReleaseNativeOverlayHandle() with pNativeTextureHandle once you are done with this texture.
+ *
+ * pNativeTextureHandle is an OUTPUT, it will be a pointer to a ID3D11ShaderResourceView *.
+ * pNativeTextureRef is an INPUT and should be a ID3D11Resource *. The device used by pNativeTextureRef will be used to bind pNativeTextureHandle.
+ */
+ virtual EVROverlayError GetOverlayTexture( VROverlayHandle_t ulOverlayHandle, void **pNativeTextureHandle, void *pNativeTextureRef, uint32_t *pWidth, uint32_t *pHeight, uint32_t *pNativeFormat, ETextureType *pAPIType, EColorSpace *pColorSpace, VRTextureBounds_t *pTextureBounds ) = 0;
+
+ /** Release the pNativeTextureHandle provided from the GetOverlayTexture call, this allows the system to free the underlying GPU resources for this object,
+ * so only do it once you stop rendering this texture.
+ */
+ virtual EVROverlayError ReleaseNativeOverlayHandle( VROverlayHandle_t ulOverlayHandle, void *pNativeTextureHandle ) = 0;
+
+ /** Get the size of the overlay texture */
+ virtual EVROverlayError GetOverlayTextureSize( VROverlayHandle_t ulOverlayHandle, uint32_t *pWidth, uint32_t *pHeight ) = 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;
+
+ /** Returns the tracked device that has the laser pointer in the dashboard */
+ virtual vr::TrackedDeviceIndex_t GetPrimaryDashboardDevice() = 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;
+
+ /** Set the position of the keyboard in world space **/
+ virtual void SetKeyboardTransformAbsolute( ETrackingUniverseOrigin eTrackingOrigin, const HmdMatrix34_t *pmatTrackingOriginToKeyboardTransform ) = 0;
+
+ /** Set the position of the keyboard in overlay space by telling it to avoid a rectangle in the overlay. Rectangle coords have (0,0) in the bottom left **/
+ virtual void SetKeyboardPositionForOverlay( VROverlayHandle_t ulOverlayHandle, HmdRect2_t avoidRect ) = 0;
+
+ // ---------------------------------------------
+ // Overlay input methods
+ // ---------------------------------------------
+
+ /** Sets a list of primitives to be used for controller ray intersection
+ * typically the size of the underlying UI in pixels (not in world space). */
+ virtual EVROverlayError SetOverlayIntersectionMask( VROverlayHandle_t ulOverlayHandle, VROverlayIntersectionMaskPrimitive_t *pMaskPrimitives, uint32_t unNumMaskPrimitives, uint32_t unPrimitiveSize = sizeof( VROverlayIntersectionMaskPrimitive_t ) ) = 0;
+
+ virtual EVROverlayError GetOverlayFlags( VROverlayHandle_t ulOverlayHandle, uint32_t *pFlags ) = 0;
+
+ // ---------------------------------------------
+ // Message box methods
+ // ---------------------------------------------
+
+ /** Show the message overlay. This will block and return you a result. **/
+ virtual VRMessageOverlayResponse ShowMessageOverlay( const char* pchText, const char* pchCaption, const char* pchButton0Text, const char* pchButton1Text = nullptr, const char* pchButton2Text = nullptr, const char* pchButton3Text = nullptr ) = 0;
+
+ /** If the calling process owns the overlay and it's open, this will close it. **/
+ virtual void CloseMessageOverlay() = 0;
+ };
+
+ static const char * const IVROverlay_Version = "IVROverlay_018";
+
+} // 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
+static const char * const k_pch_Controller_Component_Status = "status"; // 1:1 aspect ratio status area, with canonical [0,1] uv mapping
+
+#pragma pack( push, 8 )
+
+/** Errors that can occur with the VR compositor */
+enum EVRRenderModelError
+{
+ VRRenderModelError_None = 0,
+ VRRenderModelError_Loading = 100,
+ VRRenderModelError_NotSupported = 200,
+ VRRenderModelError_InvalidArg = 300,
+ VRRenderModelError_InvalidModel = 301,
+ VRRenderModelError_NoShapes = 302,
+ VRRenderModelError_MultipleShapes = 303,
+ VRRenderModelError_TooManyVertices = 304,
+ VRRenderModelError_MultipleTextures = 305,
+ VRRenderModelError_BufferTooSmall = 306,
+ VRRenderModelError_NotEnoughNormals = 307,
+ VRRenderModelError_NotEnoughTexCoords = 308,
+
+ VRRenderModelError_InvalidTexture = 400,
+};
+
+typedef uint32_t VRComponentProperties;
+
+enum EVRComponentProperty
+{
+ VRComponentProperty_IsStatic = (1 << 0),
+ VRComponentProperty_IsVisible = (1 << 1),
+ VRComponentProperty_IsTouched = (1 << 2),
+ VRComponentProperty_IsPressed = (1 << 3),
+ VRComponentProperty_IsScrolled = (1 << 4),
+};
+
+/** 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 */
+#if defined(__linux__) || defined(__APPLE__)
+// This structure was originally defined mis-packed on Linux, preserved for
+// compatibility.
+#pragma pack( push, 4 )
+#endif
+
+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
+};
+#if defined(__linux__) || defined(__APPLE__)
+#pragma pack( pop )
+#endif
+
+/** 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;
+
+const TextureID_t INVALID_TEXTURE_ID = -1;
+
+#if defined(__linux__) || defined(__APPLE__)
+// This structure was originally defined mis-packed on Linux, preserved for
+// compatibility.
+#pragma pack( push, 4 )
+#endif
+
+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
+};
+#if defined(__linux__) || defined(__APPLE__)
+#pragma pack( pop )
+#endif
+
+
+struct RenderModel_ControllerMode_State_t
+{
+ bool bScrollWheelVisible; // is this controller currently set to be in a scroll wheel mode
+};
+
+#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 VRRenderModelError_Loading while the render model is still being loaded.
+ * The method returns VRRenderModelError_None once loaded successfully, otherwise will return an error. */
+ virtual EVRRenderModelError LoadRenderModel_Async( 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 EVRRenderModelError LoadTexture_Async( 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;
+
+ /** Creates a D3D11 texture and loads data into it. */
+ virtual EVRRenderModelError LoadTextureD3D11_Async( TextureID_t textureId, void *pD3D11Device, void **ppD3D11Texture2D ) = 0;
+
+ /** Helper function to copy the bits into an existing texture. */
+ virtual EVRRenderModelError LoadIntoTextureD3D11_Async( TextureID_t textureId, void *pDstTexture ) = 0;
+
+ /** Use this to free textures created with LoadTextureD3D11_Async instead of calling Release on them. */
+ virtual void FreeTextureD3D11( void *pD3D11Texture2D ) = 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 and controller mode state ) */
+ virtual bool GetComponentState( const char *pchRenderModelName, const char *pchComponentName, const vr::VRControllerState_t *pControllerState, const RenderModel_ControllerMode_State_t *pState, RenderModel_ComponentState_t *pComponentState ) = 0;
+
+ /** Returns true if the render model has a component with the specified name */
+ virtual bool RenderModelHasComponent( const char *pchRenderModelName, const char *pchComponentName ) = 0;
+
+ /** Returns the URL of the thumbnail image for this rendermodel */
+ virtual uint32_t GetRenderModelThumbnailURL( const char *pchRenderModelName, VR_OUT_STRING() char *pchThumbnailURL, uint32_t unThumbnailURLLen, vr::EVRRenderModelError *peError ) = 0;
+
+ /** Provides a render model path that will load the unskinned model if the model name provided has been replace by the user. If the model
+ * hasn't been replaced the path value will still be a valid path to load the model. Pass this to LoadRenderModel_Async, etc. to load the
+ * model. */
+ virtual uint32_t GetRenderModelOriginalPath( const char *pchRenderModelName, VR_OUT_STRING() char *pchOriginalPath, uint32_t unOriginalPathLen, vr::EVRRenderModelError *peError ) = 0;
+
+ /** Returns a string for a render model error */
+ virtual const char *GetRenderModelErrorNameFromEnum( vr::EVRRenderModelError error ) = 0;
+};
+
+static const char * const IVRRenderModels_Version = "IVRRenderModels_005";
+
+}
+
+
+// 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. Creating our own window 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";
+
+}
+
+
+// ivrtrackedcamera.h
+namespace vr
+{
+
+class IVRTrackedCamera
+{
+public:
+ /** Returns a string for an error */
+ virtual const char *GetCameraErrorNameFromEnum( vr::EVRTrackedCameraError eCameraError ) = 0;
+
+ /** For convenience, same as tracked property request Prop_HasCamera_Bool */
+ virtual vr::EVRTrackedCameraError HasCamera( vr::TrackedDeviceIndex_t nDeviceIndex, bool *pHasCamera ) = 0;
+
+ /** Gets size of the image frame. */
+ virtual vr::EVRTrackedCameraError GetCameraFrameSize( vr::TrackedDeviceIndex_t nDeviceIndex, vr::EVRTrackedCameraFrameType eFrameType, uint32_t *pnWidth, uint32_t *pnHeight, uint32_t *pnFrameBufferSize ) = 0;
+
+ virtual vr::EVRTrackedCameraError GetCameraIntrinsics( vr::TrackedDeviceIndex_t nDeviceIndex, vr::EVRTrackedCameraFrameType eFrameType, vr::HmdVector2_t *pFocalLength, vr::HmdVector2_t *pCenter ) = 0;
+
+ virtual vr::EVRTrackedCameraError GetCameraProjection( vr::TrackedDeviceIndex_t nDeviceIndex, vr::EVRTrackedCameraFrameType eFrameType, float flZNear, float flZFar, vr::HmdMatrix44_t *pProjection ) = 0;
+
+ /** Acquiring streaming service permits video streaming for the caller. Releasing hints the system that video services do not need to be maintained for this client.
+ * If the camera has not already been activated, a one time spin up may incur some auto exposure as well as initial streaming frame delays.
+ * The camera should be considered a global resource accessible for shared consumption but not exclusive to any caller.
+ * The camera may go inactive due to lack of active consumers or headset idleness. */
+ virtual vr::EVRTrackedCameraError AcquireVideoStreamingService( vr::TrackedDeviceIndex_t nDeviceIndex, vr::TrackedCameraHandle_t *pHandle ) = 0;
+ virtual vr::EVRTrackedCameraError ReleaseVideoStreamingService( vr::TrackedCameraHandle_t hTrackedCamera ) = 0;
+
+ /** Copies the image frame into a caller's provided buffer. The image data is currently provided as RGBA data, 4 bytes per pixel.
+ * A caller can provide null for the framebuffer or frameheader if not desired. Requesting the frame header first, followed by the frame buffer allows
+ * the caller to determine if the frame as advanced per the frame header sequence.
+ * If there is no frame available yet, due to initial camera spinup or re-activation, the error will be VRTrackedCameraError_NoFrameAvailable.
+ * Ideally a caller should be polling at ~16ms intervals */
+ virtual vr::EVRTrackedCameraError GetVideoStreamFrameBuffer( vr::TrackedCameraHandle_t hTrackedCamera, vr::EVRTrackedCameraFrameType eFrameType, void *pFrameBuffer, uint32_t nFrameBufferSize, vr::CameraVideoStreamFrameHeader_t *pFrameHeader, uint32_t nFrameHeaderSize ) = 0;
+
+ /** Gets size of the image frame. */
+ virtual vr::EVRTrackedCameraError GetVideoStreamTextureSize( vr::TrackedDeviceIndex_t nDeviceIndex, vr::EVRTrackedCameraFrameType eFrameType, vr::VRTextureBounds_t *pTextureBounds, uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
+
+ /** Access a shared D3D11 texture for the specified tracked camera stream.
+ * The camera frame type VRTrackedCameraFrameType_Undistorted is not supported directly as a shared texture. It is an interior subregion of the shared texture VRTrackedCameraFrameType_MaximumUndistorted.
+ * Instead, use GetVideoStreamTextureSize() with VRTrackedCameraFrameType_Undistorted to determine the proper interior subregion bounds along with GetVideoStreamTextureD3D11() with
+ * VRTrackedCameraFrameType_MaximumUndistorted to provide the texture. The VRTrackedCameraFrameType_MaximumUndistorted will yield an image where the invalid regions are decoded
+ * by the alpha channel having a zero component. The valid regions all have a non-zero alpha component. The subregion as described by VRTrackedCameraFrameType_Undistorted
+ * guarantees a rectangle where all pixels are valid. */
+ virtual vr::EVRTrackedCameraError GetVideoStreamTextureD3D11( vr::TrackedCameraHandle_t hTrackedCamera, vr::EVRTrackedCameraFrameType eFrameType, void *pD3D11DeviceOrResource, void **ppD3D11ShaderResourceView, vr::CameraVideoStreamFrameHeader_t *pFrameHeader, uint32_t nFrameHeaderSize ) = 0;
+
+ /** Access a shared GL texture for the specified tracked camera stream */
+ virtual vr::EVRTrackedCameraError GetVideoStreamTextureGL( vr::TrackedCameraHandle_t hTrackedCamera, vr::EVRTrackedCameraFrameType eFrameType, vr::glUInt_t *pglTextureId, vr::CameraVideoStreamFrameHeader_t *pFrameHeader, uint32_t nFrameHeaderSize ) = 0;
+ virtual vr::EVRTrackedCameraError ReleaseVideoStreamTextureGL( vr::TrackedCameraHandle_t hTrackedCamera, vr::glUInt_t glTextureId ) = 0;
+};
+
+static const char * const IVRTrackedCamera_Version = "IVRTrackedCamera_003";
+
+} // namespace vr
+
+
+// ivrscreenshots.h
+namespace vr
+{
+
+/** Errors that can occur with the VR compositor */
+enum EVRScreenshotError
+{
+ VRScreenshotError_None = 0,
+ VRScreenshotError_RequestFailed = 1,
+ VRScreenshotError_IncompatibleVersion = 100,
+ VRScreenshotError_NotFound = 101,
+ VRScreenshotError_BufferTooSmall = 102,
+ VRScreenshotError_ScreenshotAlreadyInProgress = 108,
+};
+
+/** Allows the application to generate screenshots */
+class IVRScreenshots
+{
+public:
+ /** Request a screenshot of the requested type.
+ * A request of the VRScreenshotType_Stereo type will always
+ * work. Other types will depend on the underlying application
+ * support.
+ * The first file name is for the preview image and should be a
+ * regular screenshot (ideally from the left eye). The second
+ * is the VR screenshot in the correct format. They should be
+ * in the same aspect ratio. Formats per type:
+ * VRScreenshotType_Mono: the VR filename is ignored (can be
+ * nullptr), this is a normal flat single shot.
+ * VRScreenshotType_Stereo: The VR image should be a
+ * side-by-side with the left eye image on the left.
+ * VRScreenshotType_Cubemap: The VR image should be six square
+ * images composited horizontally.
+ * VRScreenshotType_StereoPanorama: above/below with left eye
+ * panorama being the above image. Image is typically square
+ * with the panorama being 2x horizontal.
+ *
+ * Note that the VR dashboard will call this function when
+ * the user presses the screenshot binding (currently System
+ * Button + Trigger). If Steam is running, the destination
+ * file names will be in %TEMP% and will be copied into
+ * Steam's screenshot library for the running application
+ * once SubmitScreenshot() is called.
+ * If Steam is not running, the paths will be in the user's
+ * documents folder under Documents\SteamVR\Screenshots.
+ * Other VR applications can call this to initiate a
+ * screenshot outside of user control.
+ * The destination file names do not need an extension,
+ * will be replaced with the correct one for the format
+ * which is currently .png. */
+ virtual vr::EVRScreenshotError RequestScreenshot( vr::ScreenshotHandle_t *pOutScreenshotHandle, vr::EVRScreenshotType type, const char *pchPreviewFilename, const char *pchVRFilename ) = 0;
+
+ /** Called by the running VR application to indicate that it
+ * wishes to be in charge of screenshots. If the
+ * application does not call this, the Compositor will only
+ * support VRScreenshotType_Stereo screenshots that will be
+ * captured without notification to the running app.
+ * Once hooked your application will receive a
+ * VREvent_RequestScreenshot event when the user presses the
+ * buttons to take a screenshot. */
+ virtual vr::EVRScreenshotError HookScreenshot( VR_ARRAY_COUNT( numTypes ) const vr::EVRScreenshotType *pSupportedTypes, int numTypes ) = 0;
+
+ /** When your application receives a
+ * VREvent_RequestScreenshot event, call these functions to get
+ * the details of the screenshot request. */
+ virtual vr::EVRScreenshotType GetScreenshotPropertyType( vr::ScreenshotHandle_t screenshotHandle, vr::EVRScreenshotError *pError ) = 0;
+
+ /** Get the filename for the preview or vr image (see
+ * vr::EScreenshotPropertyFilenames). The return value is
+ * the size of the string. */
+ virtual uint32_t GetScreenshotPropertyFilename( vr::ScreenshotHandle_t screenshotHandle, vr::EVRScreenshotPropertyFilenames filenameType, VR_OUT_STRING() char *pchFilename, uint32_t cchFilename, vr::EVRScreenshotError *pError ) = 0;
+
+ /** Call this if the application is taking the screen shot
+ * will take more than a few ms processing. This will result
+ * in an overlay being presented that shows a completion
+ * bar. */
+ virtual vr::EVRScreenshotError UpdateScreenshotProgress( vr::ScreenshotHandle_t screenshotHandle, float flProgress ) = 0;
+
+ /** Tells the compositor to take an internal screenshot of
+ * type VRScreenshotType_Stereo. It will take the current
+ * submitted scene textures of the running application and
+ * write them into the preview image and a side-by-side file
+ * for the VR image.
+ * This is similar to request screenshot, but doesn't ever
+ * talk to the application, just takes the shot and submits. */
+ virtual vr::EVRScreenshotError TakeStereoScreenshot( vr::ScreenshotHandle_t *pOutScreenshotHandle, const char *pchPreviewFilename, const char *pchVRFilename ) = 0;
+
+ /** Submit the completed screenshot. If Steam is running
+ * this will call into the Steam client and upload the
+ * screenshot to the screenshots section of the library for
+ * the running application. If Steam is not running, this
+ * function will display a notification to the user that the
+ * screenshot was taken. The paths should be full paths with
+ * extensions.
+ * File paths should be absolute including extensions.
+ * screenshotHandle can be k_unScreenshotHandleInvalid if this
+ * was a new shot taking by the app to be saved and not
+ * initiated by a user (achievement earned or something) */
+ virtual vr::EVRScreenshotError SubmitScreenshot( vr::ScreenshotHandle_t screenshotHandle, vr::EVRScreenshotType type, const char *pchSourcePreviewFilename, const char *pchSourceVRFilename ) = 0;
+};
+
+static const char * const IVRScreenshots_Version = "IVRScreenshots_001";
+
+} // namespace vr
+
+
+
+// ivrresources.h
+namespace vr
+{
+
+class IVRResources
+{
+public:
+
+ // ------------------------------------
+ // 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;
+
+ /** Provides the full path to the specified resource. Resource names can include named directories for
+ * drivers and other things, and this resolves all of those and returns the actual physical path.
+ * pchResourceTypeDirectory is the subdirectory of resources to look in. */
+ virtual uint32_t GetResourceFullPath( const char *pchResourceName, const char *pchResourceTypeDirectory, VR_OUT_STRING() char *pchPathBuffer, uint32_t unBufferLen ) = 0;
+};
+
+static const char * const IVRResources_Version = "IVRResources_001";
+
+
+}
+// ivrdrivermanager.h
+namespace vr
+{
+
+class IVRDriverManager
+{
+public:
+ virtual uint32_t GetDriverCount() const = 0;
+
+ /** Returns the length of the number of bytes necessary to hold this string including the trailing null. */
+ virtual uint32_t GetDriverName( vr::DriverId_t nDriver, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize ) = 0;
+
+ virtual DriverHandle_t GetDriverHandle( const char *pchDriverName ) = 0;
+};
+
+static const char * const IVRDriverManager_Version = "IVRDriverManager_001";
+
+} // namespace vr
+
+
+
+// ivrinput.h
+namespace vr
+{
+
+ typedef uint64_t VRActionHandle_t;
+ typedef uint64_t VRActionSetHandle_t;
+ typedef uint64_t VRInputValueHandle_t;
+
+ static const VRActionHandle_t k_ulInvalidActionHandle = 0;
+ static const VRActionSetHandle_t k_ulInvalidActionSetHandle = 0;
+ static const VRInputValueHandle_t k_ulInvalidInputValueHandle = 0;
+
+ static const uint32_t k_unMaxActionNameLength = 64;
+ static const uint32_t k_unMaxActionSetNameLength = 64;
+ static const uint32_t k_unMaxActionOriginCount = 16;
+
+ struct InputAnalogActionData_t
+ {
+ // Whether or not this action is currently available to be bound in the active action set
+ bool bActive;
+
+ // The origin that caused this action's current state
+ VRInputValueHandle_t activeOrigin;
+
+ // The current state of this action; will be delta updates for mouse actions
+ float x, y, z;
+
+ // Deltas since the previous call to UpdateActionState()
+ float deltaX, deltaY, deltaZ;
+
+ // Time relative to now when this event happened. Will be negative to indicate a past time.
+ float fUpdateTime;
+ };
+
+ struct InputDigitalActionData_t
+ {
+ // Whether or not this action is currently available to be bound in the active action set
+ bool bActive;
+
+ // The origin that caused this action's current state
+ VRInputValueHandle_t activeOrigin;
+
+ // The current state of this action; will be true if currently pressed
+ bool bState;
+
+ // This is true if the state has changed since the last frame
+ bool bChanged;
+
+ // Time relative to now when this event happened. Will be negative to indicate a past time.
+ float fUpdateTime;
+ };
+
+ struct InputPoseActionData_t
+ {
+ // Whether or not this action is currently available to be bound in the active action set
+ bool bActive;
+
+ // The origin that caused this action's current state
+ VRInputValueHandle_t activeOrigin;
+
+ // The current state of this action
+ TrackedDevicePose_t pose;
+ };
+
+ enum EVRSkeletalTransformSpace
+ {
+ VRSkeletalTransformSpace_Action = 0,
+ VRSkeletalTransformSpace_Parent = 1,
+ VRSkeletalTransformSpace_Additive = 2,
+ };
+
+
+ struct InputSkeletonActionData_t
+ {
+ // Whether or not this action is currently available to be bound in the active action set
+ bool bActive;
+
+ // The origin that caused this action's current state
+ VRInputValueHandle_t activeOrigin;
+ };
+
+ enum EVRInputFilterCancelType
+ {
+ VRInputFilterCancel_Timers = 0,
+ VRInputFilterCancel_Momentum = 1,
+ };
+
+ struct InputOriginInfo_t
+ {
+ VRInputValueHandle_t devicePath;
+ TrackedDeviceIndex_t trackedDeviceIndex;
+ char rchRenderModelComponentName[128];
+ };
+
+ struct VRActiveActionSet_t
+ {
+ /** This is the handle of the action set to activate for this frame. */
+ VRActionSetHandle_t ulActionSet;
+
+ /** This is the handle of a device path that this action set should be active for. To
+ * activate for all devices, set this to k_ulInvalidInputValueHandle. */
+ VRInputValueHandle_t ulRestrictedToDevice;
+
+ /** The action set to activate for all devices other than ulRestrictedDevice. If
+ * ulRestrictedToDevice is set to k_ulInvalidInputValueHandle, this parameter is
+ * ignored. */
+ VRActionSetHandle_t ulSecondaryActionSet;
+ };
+
+
+ class IVRInput
+ {
+ public:
+
+ // --------------- Handle management --------------- //
+
+ /** Sets the path to the action manifest JSON file that is used by this application. If this information
+ * was set on the Steam partner site, calls to this function are ignored. If the Steam partner site
+ * setting and the path provided by this call are different, VRInputError_MismatchedActionManifest is returned.
+ * This call must be made before the first call to UpdateActionState or IVRSystem::PollNextEvent. */
+ virtual EVRInputError SetActionManifestPath( const char *pchActionManifestPath ) = 0;
+
+ /** Returns a handle for an action set. This handle is used for all performance-sensitive calls. */
+ virtual EVRInputError GetActionSetHandle( const char *pchActionSetName, VRActionSetHandle_t *pHandle ) = 0;
+
+ /** Returns a handle for an action. This handle is used for all performance-sensitive calls. */
+ virtual EVRInputError GetActionHandle( const char *pchActionName, VRActionHandle_t *pHandle ) = 0;
+
+ /** Returns a handle for any path in the input system. E.g. /user/hand/right */
+ virtual EVRInputError GetInputSourceHandle( const char *pchInputSourcePath, VRInputValueHandle_t *pHandle ) = 0;
+
+ // --------------- Reading action state ------------------- //
+
+ /** Reads the current state into all actions. After this call, the results of Get*Action calls
+ * will be the same until the next call to UpdateActionState. */
+ virtual EVRInputError UpdateActionState( VR_ARRAY_COUNT( unSetCount ) VRActiveActionSet_t *pSets, uint32_t unSizeOfVRSelectedActionSet_t, uint32_t unSetCount ) = 0;
+
+ /** Reads the state of a digital action given its handle. This will return VRInputError_WrongType if the type of
+ * action is something other than digital */
+ virtual EVRInputError GetDigitalActionData( VRActionHandle_t action, InputDigitalActionData_t *pActionData, uint32_t unActionDataSize ) = 0;
+
+ /** Reads the state of an analog action given its handle. This will return VRInputError_WrongType if the type of
+ * action is something other than analog */
+ virtual EVRInputError GetAnalogActionData( VRActionHandle_t action, InputAnalogActionData_t *pActionData, uint32_t unActionDataSize ) = 0;
+
+ /** Reads the state of a pose action given its handle. */
+ virtual EVRInputError GetPoseActionData( VRActionHandle_t action, ETrackingUniverseOrigin eOrigin, float fPredictedSecondsFromNow, InputPoseActionData_t *pActionData, uint32_t unActionDataSize ) = 0;
+
+ /** Reads the state of a skeletal action given its handle. */
+ virtual EVRInputError GetSkeletalActionData( VRActionHandle_t action, EVRSkeletalTransformSpace eBoneParent, float fPredictedSecondsFromNow, InputSkeletonActionData_t *pActionData, uint32_t unActionDataSize, VR_ARRAY_COUNT( unTransformArrayCount ) VRBoneTransform_t *pTransformArray, uint32_t unTransformArrayCount ) = 0;
+
+ /** Reads the state of a skeletal action given its handle in a compressed form that is suitable for
+ * sending over the network. The required buffer size will never exceed ( sizeof(VR_BoneTransform_t)*boneCount + 2).
+ * Usually the size will be much smaller. */
+ virtual EVRInputError GetSkeletalActionDataCompressed( VRActionHandle_t action, EVRSkeletalTransformSpace eBoneParent, float fPredictedSecondsFromNow, VR_OUT_BUFFER_COUNT( unCompressedSize ) void *pvCompressedData, uint32_t unCompressedSize, uint32_t *punRequiredCompressedSize ) = 0;
+
+ /** Turns a compressed buffer from GetSkeletalActionDataCompressed and turns it back into a bone transform array. */
+ virtual EVRInputError UncompressSkeletalActionData( void *pvCompressedBuffer, uint32_t unCompressedBufferSize, EVRSkeletalTransformSpace *peBoneParent, VR_ARRAY_COUNT( unTransformArrayCount ) VRBoneTransform_t *pTransformArray, uint32_t unTransformArrayCount ) = 0;
+
+ // --------------- Haptics ------------------- //
+
+ /** Triggers a haptic event as described by the specified action */
+ virtual EVRInputError TriggerHapticVibrationAction( VRActionHandle_t action, float fStartSecondsFromNow, float fDurationSeconds, float fFrequency, float fAmplitude ) = 0;
+
+ // --------------- Action Origins ---------------- //
+
+ /** Retrieve origin handles for an action */
+ virtual EVRInputError GetActionOrigins( VRActionSetHandle_t actionSetHandle, VRActionHandle_t digitalActionHandle, VR_ARRAY_COUNT( originOutCount ) VRInputValueHandle_t *originsOut, uint32_t originOutCount ) = 0;
+
+ /** Retrieves the name of the origin in the current language */
+ virtual EVRInputError GetOriginLocalizedName( VRInputValueHandle_t origin, VR_OUT_STRING() char *pchNameArray, uint32_t unNameArraySize ) = 0;
+
+ /** Retrieves useful information for the origin of this action */
+ virtual EVRInputError GetOriginTrackedDeviceInfo( VRInputValueHandle_t origin, InputOriginInfo_t *pOriginInfo, uint32_t unOriginInfoSize ) = 0;
+
+ /** Shows the current binding for the action in-headset */
+ virtual EVRInputError ShowActionOrigins( VRActionSetHandle_t actionSetHandle, VRActionHandle_t ulActionHandle ) = 0;
+
+ /** Shows the current binding all the actions in the specified action sets */
+ virtual EVRInputError ShowBindingsForActionSet( VR_ARRAY_COUNT( unSetCount ) VRActiveActionSet_t *pSets, uint32_t unSizeOfVRSelectedActionSet_t, uint32_t unSetCount, VRInputValueHandle_t originToHighlight ) = 0;
+ };
+
+ static const char * const IVRInput_Version = "IVRInput_003";
+
+} // namespace vr
+
+// ivriobuffer.h
+namespace vr
+{
+
+typedef uint64_t IOBufferHandle_t;
+static const uint64_t k_ulInvalidIOBufferHandle = 0;
+
+ enum EIOBufferError
+ {
+ IOBuffer_Success = 0,
+ IOBuffer_OperationFailed = 100,
+ IOBuffer_InvalidHandle = 101,
+ IOBuffer_InvalidArgument = 102,
+ IOBuffer_PathExists = 103,
+ IOBuffer_PathDoesNotExist = 104,
+ IOBuffer_Permission = 105,
+ };
+
+ enum EIOBufferMode
+ {
+ IOBufferMode_Read = 0x0001,
+ IOBufferMode_Write = 0x0002,
+ IOBufferMode_Create = 0x0200,
+ };
+
+ // ----------------------------------------------------------------------------------------------
+ // Purpose:
+ // ----------------------------------------------------------------------------------------------
+ class IVRIOBuffer
+ {
+ public:
+ /** opens an existing or creates a new IOBuffer of unSize bytes */
+ virtual vr::EIOBufferError Open( const char *pchPath, vr::EIOBufferMode mode, uint32_t unElementSize, uint32_t unElements, vr::IOBufferHandle_t *pulBuffer ) = 0;
+
+ /** closes a previously opened or created buffer */
+ virtual vr::EIOBufferError Close( vr::IOBufferHandle_t ulBuffer ) = 0;
+
+ /** reads up to unBytes from buffer into *pDst, returning number of bytes read in *punRead */
+ virtual vr::EIOBufferError Read( vr::IOBufferHandle_t ulBuffer, void *pDst, uint32_t unBytes, uint32_t *punRead ) = 0;
+
+ /** writes unBytes of data from *pSrc into a buffer. */
+ virtual vr::EIOBufferError Write( vr::IOBufferHandle_t ulBuffer, void *pSrc, uint32_t unBytes ) = 0;
+
+ /** retrieves the property container of an buffer. */
+ virtual vr::PropertyContainerHandle_t PropertyContainer( vr::IOBufferHandle_t ulBuffer ) = 0;
+ };
+
+ static const char *IVRIOBuffer_Version = "IVRIOBuffer_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.
+ *
+ * pStartupInfo is reserved for future use.
+ */
+ inline IVRSystem *VR_Init( EVRInitError *peError, EVRApplicationType eApplicationType, const char *pStartupInfo = nullptr );
+
+ /** unloads vrclient.dll. Any interface pointers from the interface are
+ * invalid after this point */
+ inline void 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 where the OpenVR runtime is installed. */
+ VR_INTERFACE const char *VR_CALLTYPE VR_RuntimePath();
+
+ /** 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( 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( 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, EVRInitError *peError );
+
+ /** Returns whether the interface of the specified version exists.
+ */
+ VR_INTERFACE bool VR_CALLTYPE VR_IsInterfaceVersionValid( const char *pchInterfaceVersion );
+
+ /** Returns a token that represents whether the VR interface handles need to be reloaded */
+ VR_INTERFACE uint32_t VR_CALLTYPE VR_GetInitToken();
+
+ // 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 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;
+ typedef EVRScreenshotError VRScreenshotsError;
+
+ inline uint32_t &VRToken()
+ {
+ static uint32_t token;
+ return token;
+ }
+
+ class COpenVRContext
+ {
+ public:
+ COpenVRContext() { Clear(); }
+ void Clear();
+
+ inline void CheckClear()
+ {
+ if ( VRToken() != VR_GetInitToken() )
+ {
+ Clear();
+ VRToken() = VR_GetInitToken();
+ }
+ }
+
+ IVRSystem *VRSystem()
+ {
+ CheckClear();
+ if ( m_pVRSystem == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRSystem = ( IVRSystem * )VR_GetGenericInterface( IVRSystem_Version, &eError );
+ }
+ return m_pVRSystem;
+ }
+ IVRChaperone *VRChaperone()
+ {
+ CheckClear();
+ if ( m_pVRChaperone == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRChaperone = ( IVRChaperone * )VR_GetGenericInterface( IVRChaperone_Version, &eError );
+ }
+ return m_pVRChaperone;
+ }
+
+ IVRChaperoneSetup *VRChaperoneSetup()
+ {
+ CheckClear();
+ if ( m_pVRChaperoneSetup == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRChaperoneSetup = ( IVRChaperoneSetup * )VR_GetGenericInterface( IVRChaperoneSetup_Version, &eError );
+ }
+ return m_pVRChaperoneSetup;
+ }
+
+ IVRCompositor *VRCompositor()
+ {
+ CheckClear();
+ if ( m_pVRCompositor == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRCompositor = ( IVRCompositor * )VR_GetGenericInterface( IVRCompositor_Version, &eError );
+ }
+ return m_pVRCompositor;
+ }
+
+ IVROverlay *VROverlay()
+ {
+ CheckClear();
+ if ( m_pVROverlay == nullptr )
+ {
+ EVRInitError eError;
+ m_pVROverlay = ( IVROverlay * )VR_GetGenericInterface( IVROverlay_Version, &eError );
+ }
+ return m_pVROverlay;
+ }
+
+ IVRResources *VRResources()
+ {
+ CheckClear();
+ if ( m_pVRResources == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRResources = (IVRResources *)VR_GetGenericInterface( IVRResources_Version, &eError );
+ }
+ return m_pVRResources;
+ }
+
+ IVRScreenshots *VRScreenshots()
+ {
+ CheckClear();
+ if ( m_pVRScreenshots == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRScreenshots = ( IVRScreenshots * )VR_GetGenericInterface( IVRScreenshots_Version, &eError );
+ }
+ return m_pVRScreenshots;
+ }
+
+ IVRRenderModels *VRRenderModels()
+ {
+ CheckClear();
+ if ( m_pVRRenderModels == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRRenderModels = ( IVRRenderModels * )VR_GetGenericInterface( IVRRenderModels_Version, &eError );
+ }
+ return m_pVRRenderModels;
+ }
+
+ IVRExtendedDisplay *VRExtendedDisplay()
+ {
+ CheckClear();
+ if ( m_pVRExtendedDisplay == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRExtendedDisplay = ( IVRExtendedDisplay * )VR_GetGenericInterface( IVRExtendedDisplay_Version, &eError );
+ }
+ return m_pVRExtendedDisplay;
+ }
+
+ IVRSettings *VRSettings()
+ {
+ CheckClear();
+ if ( m_pVRSettings == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRSettings = ( IVRSettings * )VR_GetGenericInterface( IVRSettings_Version, &eError );
+ }
+ return m_pVRSettings;
+ }
+
+ IVRApplications *VRApplications()
+ {
+ CheckClear();
+ if ( m_pVRApplications == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRApplications = ( IVRApplications * )VR_GetGenericInterface( IVRApplications_Version, &eError );
+ }
+ return m_pVRApplications;
+ }
+
+ IVRTrackedCamera *VRTrackedCamera()
+ {
+ CheckClear();
+ if ( m_pVRTrackedCamera == nullptr )
+ {
+ EVRInitError eError;
+ m_pVRTrackedCamera = ( IVRTrackedCamera * )VR_GetGenericInterface( IVRTrackedCamera_Version, &eError );
+ }
+ return m_pVRTrackedCamera;
+ }
+
+ IVRDriverManager *VRDriverManager()
+ {
+ CheckClear();
+ if ( !m_pVRDriverManager )
+ {
+ EVRInitError eError;
+ m_pVRDriverManager = ( IVRDriverManager * )VR_GetGenericInterface( IVRDriverManager_Version, &eError );
+ }
+ return m_pVRDriverManager;
+ }
+
+ IVRInput *VRInput()
+ {
+ CheckClear();
+ if ( !m_pVRInput )
+ {
+ EVRInitError eError;
+ m_pVRInput = (IVRInput *)VR_GetGenericInterface( IVRInput_Version, &eError );
+ }
+ return m_pVRInput;
+ }
+
+ IVRIOBuffer *VRIOBuffer()
+ {
+ if ( !m_pVRIOBuffer )
+ {
+ EVRInitError eError;
+ m_pVRIOBuffer = ( IVRIOBuffer * )VR_GetGenericInterface( IVRIOBuffer_Version, &eError );
+ }
+ return m_pVRIOBuffer;
+ }
+
+ private:
+ IVRSystem *m_pVRSystem;
+ IVRChaperone *m_pVRChaperone;
+ IVRChaperoneSetup *m_pVRChaperoneSetup;
+ IVRCompositor *m_pVRCompositor;
+ IVROverlay *m_pVROverlay;
+ IVRResources *m_pVRResources;
+ IVRRenderModels *m_pVRRenderModels;
+ IVRExtendedDisplay *m_pVRExtendedDisplay;
+ IVRSettings *m_pVRSettings;
+ IVRApplications *m_pVRApplications;
+ IVRTrackedCamera *m_pVRTrackedCamera;
+ IVRScreenshots *m_pVRScreenshots;
+ IVRDriverManager *m_pVRDriverManager;
+ IVRInput *m_pVRInput;
+ IVRIOBuffer *m_pVRIOBuffer;
+ };
+
+ inline COpenVRContext &OpenVRInternal_ModuleContext()
+ {
+ static void *ctx[ sizeof( COpenVRContext ) / sizeof( void * ) ];
+ return *( COpenVRContext * )ctx; // bypass zero-init constructor
+ }
+
+ inline IVRSystem *VR_CALLTYPE VRSystem() { return OpenVRInternal_ModuleContext().VRSystem(); }
+ inline IVRChaperone *VR_CALLTYPE VRChaperone() { return OpenVRInternal_ModuleContext().VRChaperone(); }
+ inline IVRChaperoneSetup *VR_CALLTYPE VRChaperoneSetup() { return OpenVRInternal_ModuleContext().VRChaperoneSetup(); }
+ inline IVRCompositor *VR_CALLTYPE VRCompositor() { return OpenVRInternal_ModuleContext().VRCompositor(); }
+ inline IVROverlay *VR_CALLTYPE VROverlay() { return OpenVRInternal_ModuleContext().VROverlay(); }
+ inline IVRScreenshots *VR_CALLTYPE VRScreenshots() { return OpenVRInternal_ModuleContext().VRScreenshots(); }
+ inline IVRRenderModels *VR_CALLTYPE VRRenderModels() { return OpenVRInternal_ModuleContext().VRRenderModels(); }
+ inline IVRApplications *VR_CALLTYPE VRApplications() { return OpenVRInternal_ModuleContext().VRApplications(); }
+ inline IVRSettings *VR_CALLTYPE VRSettings() { return OpenVRInternal_ModuleContext().VRSettings(); }
+ inline IVRResources *VR_CALLTYPE VRResources() { return OpenVRInternal_ModuleContext().VRResources(); }
+ inline IVRExtendedDisplay *VR_CALLTYPE VRExtendedDisplay() { return OpenVRInternal_ModuleContext().VRExtendedDisplay(); }
+ inline IVRTrackedCamera *VR_CALLTYPE VRTrackedCamera() { return OpenVRInternal_ModuleContext().VRTrackedCamera(); }
+ inline IVRDriverManager *VR_CALLTYPE VRDriverManager() { return OpenVRInternal_ModuleContext().VRDriverManager(); }
+ inline IVRInput *VR_CALLTYPE VRInput() { return OpenVRInternal_ModuleContext().VRInput(); }
+ inline IVRIOBuffer *VR_CALLTYPE VRIOBuffer() { return OpenVRInternal_ModuleContext().VRIOBuffer(); }
+
+ inline void COpenVRContext::Clear()
+ {
+ m_pVRSystem = nullptr;
+ m_pVRChaperone = nullptr;
+ m_pVRChaperoneSetup = nullptr;
+ m_pVRCompositor = nullptr;
+ m_pVROverlay = nullptr;
+ m_pVRRenderModels = nullptr;
+ m_pVRExtendedDisplay = nullptr;
+ m_pVRSettings = nullptr;
+ m_pVRApplications = nullptr;
+ m_pVRTrackedCamera = nullptr;
+ m_pVRResources = nullptr;
+ m_pVRScreenshots = nullptr;
+ m_pVRDriverManager = nullptr;
+ m_pVRInput = nullptr;
+ m_pVRIOBuffer = nullptr;
+ }
+
+ VR_INTERFACE uint32_t VR_CALLTYPE VR_InitInternal2( EVRInitError *peError, EVRApplicationType eApplicationType, const char *pStartupInfo );
+ VR_INTERFACE void VR_CALLTYPE VR_ShutdownInternal();
+
+ /** Finds the active installation of vrclient.dll and initializes it */
+ inline IVRSystem *VR_Init( EVRInitError *peError, EVRApplicationType eApplicationType, const char *pStartupInfo )
+ {
+ IVRSystem *pVRSystem = nullptr;
+
+ EVRInitError eError;
+ VRToken() = VR_InitInternal2( &eError, eApplicationType, pStartupInfo );
+ COpenVRContext &ctx = OpenVRInternal_ModuleContext();
+ ctx.Clear();
+
+ if ( eError == VRInitError_None )
+ {
+ if ( VR_IsInterfaceVersionValid( IVRSystem_Version ) )
+ {
+ pVRSystem = VRSystem();
+ }
+ else
+ {
+ VR_ShutdownInternal();
+ eError = VRInitError_Init_InterfaceNotFound;
+ }
+ }
+
+ if ( peError )
+ *peError = eError;
+ return pVRSystem;
+ }
+
+ /** unloads vrclient.dll. Any interface pointers from the interface are
+ * invalid after this point */
+ inline void VR_Shutdown()
+ {
+ VR_ShutdownInternal();
+ }
+} \ No newline at end of file