1095 lines
44 KiB
C++
1095 lines
44 KiB
C++
#pragma once
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// openvr.h
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//========= Copyright Valve Corporation ============//
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// Dynamically generated file. Do not modify this file directly.
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#ifndef _OPENVR_API
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#define _OPENVR_API
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#include <stdint.h>
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// vrtypes.h
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namespace vr
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{
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#if defined(__linux__) || defined(__APPLE__)
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// The 32-bit version of gcc has the alignment requirement for uint64 and double set to
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// 4 meaning that even with #pragma pack(8) these types will only be four-byte aligned.
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// The 64-bit version of gcc has the alignment requirement for these types set to
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// 8 meaning that unless we use #pragma pack(4) our structures will get bigger.
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// The 64-bit structure packing has to match the 32-bit structure packing for each platform.
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#pragma pack( push, 4 )
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#else
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#pragma pack( push, 8 )
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#endif
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// right-handed system
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// +y is up
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// +x is to the right
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// -z is going away from you
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// Distance unit is meters
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struct HmdMatrix34_t
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{
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float m[3][4];
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};
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struct HmdMatrix44_t
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{
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float m[4][4];
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};
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struct HmdVector3_t
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{
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float v[3];
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};
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struct HmdVector3d_t
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{
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double v[3];
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};
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struct HmdVector2_t
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{
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float v[2];
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};
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struct HmdQuaternion_t
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{
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double w, x, y, z;
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};
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struct HmdQuad_t
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{
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HmdVector3_t vCorners[ 4 ];
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};
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/** Used to return the post-distortion UVs for each color channel.
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* UVs range from 0 to 1 with 0,0 in the upper left corner of the
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* source render target. The 0,0 to 1,1 range covers a single eye. */
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struct DistortionCoordinates_t
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{
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float rfRed[2];
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float rfGreen[2];
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float rfBlue[2];
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};
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enum Hmd_Eye
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{
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Eye_Left = 0,
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Eye_Right = 1
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};
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enum GraphicsAPIConvention
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{
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API_DirectX = 0, // Normalized Z goes from 0 at the viewer to 1 at the far clip plane
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API_OpenGL = 1, // Normalized Z goes from 1 at the viewer to -1 at the far clip plane
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};
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enum HmdTrackingResult
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{
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TrackingResult_Uninitialized = 1,
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TrackingResult_Calibrating_InProgress = 100,
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TrackingResult_Calibrating_OutOfRange = 101,
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TrackingResult_Running_OK = 200,
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TrackingResult_Running_OutOfRange = 201,
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};
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static const uint32_t k_unTrackingStringSize = 32;
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static const uint32_t k_unMaxTrackedDeviceCount = 16;
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static const uint32_t k_unTrackedDeviceIndex_Hmd = 0;
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/** Describes what kind of object is being tracked at a given ID */
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enum TrackedDeviceClass
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{
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TrackedDeviceClass_Invalid = 0, // the ID was not valid.
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TrackedDeviceClass_HMD = 1, // Head-Mounted Displays
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TrackedDeviceClass_Controller = 2, // Tracked controllers
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TrackedDeviceClass_TrackingReference = 4, // Camera and base stations that serve as tracking reference points
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TrackedDeviceClass_Other = 1000,
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};
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/** describes a single pose for a tracked object */
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struct TrackedDevicePose_t
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{
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HmdMatrix34_t mDeviceToAbsoluteTracking;
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HmdVector3_t vVelocity; // velocity in tracker space in m/s
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HmdVector3_t vAngularVelocity; // angular velocity in radians/s (?)
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HmdTrackingResult eTrackingResult;
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bool bPoseIsValid;
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// This indicates that there is a device connected for this spot in the pose array.
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// It could go from true to false if the user unplugs the device.
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bool bDeviceIsConnected;
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};
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/** Identifies which style of tracking origin the application wants to use
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* for the poses it is requesting */
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enum TrackingUniverseOrigin
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{
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TrackingUniverseSeated = 0, // Poses are provided relative to the seated zero pose
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TrackingUniverseStanding = 1, // Poses are provided relative to the safe bounds configured by the user
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TrackingUniverseRawAndUncalibrated = 2, // Poses are provided in the coordinate system defined by the driver. You probably don't want this one.
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};
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/** Each entry in this enum represents a property that can be retrieved about a
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* tracked device. Many fields are only valid for one TrackedDeviceClass. */
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enum TrackedDeviceProperty
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{
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// general properties that apply to all device classes
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Prop_TrackingSystemName_String = 1000,
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Prop_ModelNumber_String = 1001,
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Prop_SerialNumber_String = 1002,
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Prop_RenderModelName_String = 1003,
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Prop_WillDriftInYaw_Bool = 1004,
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Prop_ManufacturerName_String = 1005,
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Prop_TrackingFirmwareVersion_String = 1006,
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Prop_HardwareRevision_String = 1007,
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// Properties that are unique to TrackedDeviceClass_HMD
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Prop_ReportsTimeSinceVSync_Bool = 2000,
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Prop_SecondsFromVsyncToPhotons_Float = 2001,
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Prop_DisplayFrequency_Float = 2002,
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Prop_UserIpdMeters_Float = 2003,
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Prop_CurrentUniverseId_Uint64 = 2004,
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Prop_PreviousUniverseId_Uint64 = 2005,
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Prop_DisplayFirmwareVersion_String = 2006,
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// Properties that are unique to TrackedDeviceClass_Controller
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Prop_AttachedDeviceId_String = 3000,
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Prop_SupportedButtons_Uint64 = 3001,
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Prop_Axis0Type_Int32 = 3002, // Return value is of type EVRControllerAxisType
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Prop_Axis1Type_Int32 = 3003, // Return value is of type EVRControllerAxisType
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Prop_Axis2Type_Int32 = 3004, // Return value is of type EVRControllerAxisType
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Prop_Axis3Type_Int32 = 3005, // Return value is of type EVRControllerAxisType
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Prop_Axis4Type_Int32 = 3006, // Return value is of type EVRControllerAxisType
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// Properties that are unique to TrackedDeviceClass_TrackingReference
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Prop_FieldOfViewLeftDegrees_Float = 4000,
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Prop_FieldOfViewRightDegrees_Float = 4001,
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Prop_FieldOfViewTopDegrees_Float = 4002,
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Prop_FieldOfViewBottomDegrees_Float = 4003,
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Prop_TrackingRangeMinimumMeters_Float = 4004,
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Prop_TrackingRangeMaximumMeters_Float = 4005,
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};
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/** Used to pass device IDs to API calls */
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typedef uint32_t TrackedDeviceIndex_t;
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static const uint32_t k_unTrackedDeviceIndexInvalid = 0xFFFFFFFF;
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/** No string property will ever be longer than this length */
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static const uint32_t k_unMaxPropertyStringSize = 32 * 1024;
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/** Used to return errors that occur when reading properties. */
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enum TrackedPropertyError
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{
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TrackedProp_Success = 0,
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TrackedProp_WrongDataType = 1,
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TrackedProp_WrongDeviceClass = 2,
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TrackedProp_BufferTooSmall = 3,
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TrackedProp_UnknownProperty = 4,
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TrackedProp_InvalidDevice = 5,
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TrackedProp_CouldNotContactServer = 6,
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TrackedProp_ValueNotProvidedByDevice = 7,
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TrackedProp_StringExceedsMaximumLength = 8,
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};
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/** a single vertex in a render model */
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struct RenderModel_Vertex_t
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{
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HmdVector3_t vPosition; // position in meters in device space
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HmdVector3_t vNormal;
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float rfTextureCoord[ 2 ];
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};
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/** A texture map for use on a render model */
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struct RenderModel_TextureMap_t
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{
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uint16_t unWidth, unHeight; // width and height of the texture map in pixels
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const uint8_t *rubTextureMapData; // Map texture data. All textures are RGBA with 8 bits per channel per pixel. Data size is width * height * 4ub
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};
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/** Contains everything a game needs to render a single tracked or static object for the user. */
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struct RenderModel_t
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{
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uint64_t ulInternalHandle; // Used internally by SteamVR
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const RenderModel_Vertex_t *rVertexData; // Vertex data for the mesh
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uint32_t unVertexCount; // Number of vertices in the vertex data
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const uint16_t *rIndexData; // Indices into the vertex data for each triangle
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uint32_t unTriangleCount; // Number of triangles in the mesh. Index count is 3 * TriangleCount
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RenderModel_TextureMap_t diffuseTexture; // RGBA diffuse texture for the model
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};
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/** The types of events that could be posted (and what the parameters mean for each event type) */
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enum EVREventType
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{
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VREvent_None = 0,
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VREvent_TrackedDeviceActivated = 100,
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VREvent_TrackedDeviceDeactivated = 101,
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VREvent_TrackedDeviceUpdated = 102,
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VREvent_ButtonPress = 200, // data is controller
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VREvent_ButtonUnpress = 201, // data is controller
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VREvent_ButtonTouch = 202, // data is controller
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VREvent_ButtonUntouch = 203, // data is controller
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VREvent_MouseMove = 300, // data is mouse
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VREvent_MouseButtonDown = 301, // data is mouse
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VREvent_MouseButtonUp = 302, // data is mouse
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VREvent_InputFocusCaptured = 400, // data is process
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VREvent_InputFocusReleased = 401, // data is process
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};
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/** VR controller button and axis IDs */
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enum EVRButtonId
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{
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k_EButton_System = 0,
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k_EButton_ApplicationMenu = 1,
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k_EButton_Grip = 2,
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k_EButton_Axis0 = 32,
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k_EButton_Axis1 = 33,
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k_EButton_Axis2 = 34,
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k_EButton_Axis3 = 35,
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k_EButton_Axis4 = 36,
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// aliases for well known controllers
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k_EButton_SteamVR_Touchpad = k_EButton_Axis0,
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k_EButton_SteamVR_Trigger = k_EButton_Axis1,
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k_EButton_Max = 64
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};
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inline uint64_t ButtonMaskFromId( EVRButtonId id ) { return 1ull << id; }
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/** used for controller button events */
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struct VREvent_Controller_t
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{
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EVRButtonId button;
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};
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/** used for simulated mouse events in overlay space */
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enum EVRMouseButton
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{
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VRMouseButton_Left = 0x0001,
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VRMouseButton_Right = 0x0002,
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VRMouseButton_Middle = 0x0004,
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};
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/** used for simulated mouse events in overlay space */
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struct VREvent_Mouse_t
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{
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float x, y;
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EVRMouseButton button;
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};
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/** Used for events about processes */
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struct VREvent_Process_t
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{
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uint32_t pid;
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uint32_t oldPid;
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};
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/** Not actually used for any events. It is just used to reserve
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* space in the union for future event types */
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struct VREvent_Reserved_t
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{
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uint64_t reserved0;
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uint64_t reserved1;
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};
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/** If you change this you must manually update openvr_interop.cs.py */
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typedef union
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{
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VREvent_Reserved_t reserved;
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VREvent_Controller_t controller;
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VREvent_Mouse_t mouse;
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VREvent_Process_t process;
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} VREvent_Data_t;
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/** An event posted by the server to all running applications */
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struct VREvent_t
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{
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EVREventType eventType;
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TrackedDeviceIndex_t trackedDeviceIndex;
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VREvent_Data_t data;
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float eventAgeSeconds;
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};
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/** The mesh to draw into the stencil (or depth) buffer to perform
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* early stencil (or depth) kills of pixels that will never appear on the HMD.
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* This mesh draws on all the pixels that will be hidden after distortion.
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*
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* If the HMD does not provide a visible area mesh pVertexData will be
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* NULL and unTriangleCount will be 0. */
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struct HiddenAreaMesh_t
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{
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const HmdVector2_t *pVertexData;
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uint32_t unTriangleCount;
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};
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/** Identifies what kind of axis is on the controller at index n. Read this type
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* with pVRSystem->Get( nControllerDeviceIndex, Prop_Axis0Type_Int32 + n );
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*/
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enum EVRControllerAxisType
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{
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k_eControllerAxis_None = 0,
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k_eControllerAxis_TrackPad = 1,
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k_eControllerAxis_Joystick = 2,
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k_eControllerAxis_Trigger = 3, // Analog trigger data is in the X axis
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};
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/** contains information about one axis on the controller */
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struct VRControllerAxis_t
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{
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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.
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float y; // Ranges from -1.0 to 1.0 for joysticks and track pads. Is always 0.0 for triggers.
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};
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/** the number of axes in the controller state */
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static const uint32_t k_unControllerStateAxisCount = 5;
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/** Holds all the state of a controller at one moment in time. */
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struct VRControllerState001_t
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{
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// If packet num matches that on your prior call, then the controller state hasn't been changed since
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// your last call and there is no need to process it
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uint32_t unPacketNum;
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// bit flags for each of the buttons. Use ButtonMaskFromId to turn an ID into a mask
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uint64_t ulButtonPressed;
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uint64_t ulButtonTouched;
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// Axis data for the controller's analog inputs
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VRControllerAxis_t rAxis[ k_unControllerStateAxisCount ];
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};
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typedef VRControllerState001_t VRControllerState_t;
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/** determines how to provide output to the application of various event processing functions. */
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enum EVRControllerEventOutputType
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{
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ControllerEventOutput_OSEvents = 0,
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ControllerEventOutput_VREvents = 1,
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};
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/** Allows the application to customize how the overlay appears in the compositor */
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struct Compositor_OverlaySettings
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{
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uint32_t size; // sizeof(Compositor_OverlaySettings)
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bool curved, antialias;
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float scale, distance, alpha;
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float uOffset, vOffset, uScale, vScale;
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float gridDivs, gridWidth, gridScale;
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HmdMatrix44_t transform;
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};
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/** error codes returned by Vr_Init */
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enum HmdError
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{
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HmdError_None = 0,
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HmdError_Unknown = 1,
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HmdError_Init_InstallationNotFound = 100,
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HmdError_Init_InstallationCorrupt = 101,
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HmdError_Init_VRClientDLLNotFound = 102,
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HmdError_Init_FileNotFound = 103,
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HmdError_Init_FactoryNotFound = 104,
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HmdError_Init_InterfaceNotFound = 105,
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HmdError_Init_InvalidInterface = 106,
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HmdError_Init_UserConfigDirectoryInvalid = 107,
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HmdError_Init_HmdNotFound = 108,
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HmdError_Init_NotInitialized = 109,
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HmdError_Init_PathRegistryNotFound = 110,
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HmdError_Init_NoConfigPath = 111,
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HmdError_Init_NoLogPath = 112,
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HmdError_Init_PathRegistryNotWritable = 113,
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HmdError_Driver_Failed = 200,
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HmdError_Driver_Unknown = 201,
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HmdError_Driver_HmdUnknown = 202,
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HmdError_Driver_NotLoaded = 203,
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HmdError_Driver_RuntimeOutOfDate = 204,
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HmdError_Driver_HmdInUse = 205,
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HmdError_IPC_ServerInitFailed = 300,
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HmdError_IPC_ConnectFailed = 301,
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HmdError_IPC_SharedStateInitFailed = 302,
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HmdError_IPC_CompositorInitFailed = 303,
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HmdError_IPC_MutexInitFailed = 304,
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HmdError_VendorSpecific_UnableToConnectToOculusRuntime = 1000,
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HmdError_Steam_SteamInstallationNotFound = 2000,
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};
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#pragma pack( pop )
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}
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// vrannotation.h
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#ifdef __clang__
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# define VR_CLANG_ATTR(ATTR) __attribute__((annotate( ATTR )))
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#else
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# define VR_CLANG_ATTR(ATTR)
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#endif
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#define VR_METHOD_DESC(DESC) VR_CLANG_ATTR( "desc:" #DESC ";" )
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#define VR_IGNOREATTR() VR_CLANG_ATTR( "ignore" )
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#define VR_OUT_STRUCT() VR_CLANG_ATTR( "out_struct: ;" )
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#define VR_OUT_STRING() VR_CLANG_ATTR( "out_string: ;" )
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#define VR_OUT_ARRAY_CALL(COUNTER,FUNCTION,PARAMS) VR_CLANG_ATTR( "out_array_call:" #COUNTER "," #FUNCTION "," #PARAMS ";" )
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#define VR_OUT_ARRAY_COUNT(COUNTER) VR_CLANG_ATTR( "out_array_count:" #COUNTER ";" )
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#define VR_ARRAY_COUNT(COUNTER) VR_CLANG_ATTR( "array_count:" #COUNTER ";" )
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#define VR_ARRAY_COUNT_D(COUNTER, DESC) VR_CLANG_ATTR( "array_count:" #COUNTER ";desc:" #DESC )
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#define VR_BUFFER_COUNT(COUNTER) VR_CLANG_ATTR( "buffer_count:" #COUNTER ";" )
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#define VR_OUT_BUFFER_COUNT(COUNTER) VR_CLANG_ATTR( "out_buffer_count:" #COUNTER ";" )
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#define VR_OUT_STRING_COUNT(COUNTER) VR_CLANG_ATTR( "out_string_count:" #COUNTER ";" )
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// ivrsystem.h
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namespace vr
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{
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class IVRSystem
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{
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public:
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// ------------------------------------
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// Display Methods
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// ------------------------------------
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/** Size and position that the window needs to be on the VR display. */
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virtual void GetWindowBounds( int32_t *pnX, int32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
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/** Suggested size for the intermediate render target that the distortion pulls from. */
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virtual void GetRecommendedRenderTargetSize( uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
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/** Gets the viewport in the frame buffer to draw the output of the distortion into */
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virtual void GetEyeOutputViewport( Hmd_Eye eEye, uint32_t *pnX, uint32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight ) = 0;
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/** The projection matrix for the specified eye */
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virtual HmdMatrix44_t GetProjectionMatrix( Hmd_Eye eEye, float fNearZ, float fFarZ, GraphicsAPIConvention eProjType ) = 0;
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/** The components necessary to build your own projection matrix in case your
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* application is doing something fancy like infinite Z */
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virtual void GetProjectionRaw( Hmd_Eye eEye, float *pfLeft, float *pfRight, float *pfTop, float *pfBottom ) = 0;
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/** Returns the result of the distortion function for the specified eye and input UVs. UVs go from 0,0 in
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* the upper left of that eye's viewport and 1,1 in the lower right of that eye's viewport. */
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virtual DistortionCoordinates_t ComputeDistortion( Hmd_Eye eEye, float fU, float fV ) = 0;
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|
|
/** 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( Hmd_Eye eEye ) = 0;
|
|
|
|
/** Returns the number of elapsed seconds since the last recorded vsync event. This
|
|
* will come from a vsync timer event in the timer if possible or from the application-reported
|
|
* time if that is not available. If no vsync times are available the function will
|
|
* return zero for vsync time and frame counter and return false from the method. */
|
|
virtual bool GetTimeSinceLastVsync( float *pfSecondsSinceLastVsync, uint64_t *pulFrameCounter ) = 0;
|
|
|
|
/** [D3D9 Only]
|
|
* Returns the adapter index that the user should pass into CreateDevice to set up D3D9 in such
|
|
* a way that it can go full screen exclusive on the HMD. Returns -1 if there was an error.
|
|
*/
|
|
virtual int32_t GetD3D9AdapterIndex() = 0;
|
|
|
|
/** [D3D10/11 Only]
|
|
* Returns the adapter index and output index that the user should pass into EnumAdapters and EnumOutputs
|
|
* to create the device and swap chain in DX10 and DX11. If an error occurs both indices will be set to -1.
|
|
*/
|
|
virtual void GetDXGIOutputInfo( int32_t *pnAdapterIndex, int32_t *pnAdapterOutputIndex ) = 0;
|
|
|
|
/** [Windows Only]
|
|
* Notifies the system that the VR output will appear in a particular window.
|
|
*/
|
|
virtual bool AttachToWindow( void *hWnd ) = 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 soft bounds. 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( TrackingUniverseOrigin 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. */
|
|
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 soft or hard bounds returned by IVRChaperone. Its position
|
|
* depends on what the user has set in the chaperone calibration tool and previous calls to ResetSeatedZeroPose. */
|
|
virtual HmdMatrix34_t GetSeatedZeroPoseToStandingAbsoluteTrackingPose() = 0;
|
|
|
|
// ------------------------------------
|
|
// RenderModel methods
|
|
// ------------------------------------
|
|
|
|
/** Loads and returns a render model for use in the application. pchRenderModelName should be a render model name
|
|
* from the Prop_RenderModelName_String property or an absolute path name to a render model on disk.
|
|
*
|
|
* The resulting render model is valid until VR_Shutdown() is called or until FreeRenderModel() is called. When the
|
|
* application is finished with the render model it should call FreeRenderModel() to free the memory associated
|
|
* with the model.
|
|
*
|
|
* The method returns false if the model could not be loaded.
|
|
*
|
|
* The API expects that this function will be called at startup or when tracked devices are connected and disconnected.
|
|
* If it is called every frame it will hurt performance.
|
|
*/
|
|
virtual bool LoadRenderModel( const char *pchRenderModelName, RenderModel_t *pRenderModel ) = 0;
|
|
|
|
|
|
/** Frees a previously returned render model */
|
|
virtual void FreeRenderModel( RenderModel_t *pRenderModel ) = 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 TrackedDeviceClass 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, TrackedDeviceProperty prop, TrackedPropertyError *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, TrackedDeviceProperty prop, TrackedPropertyError *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, TrackedDeviceProperty prop, TrackedPropertyError *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, TrackedDeviceProperty prop, TrackedPropertyError *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, TrackedDeviceProperty prop, TrackedPropertyError *pError = 0L ) = 0;
|
|
|
|
/** Returns a string property. If the device index is not valid or the property is not a float type this function will
|
|
* return 0. Otherwise it returns the length of the number of bytes necessary to hold this string including the trailing
|
|
* null. Strings will generally fit in buffers of k_unTrackingStringSize characters. */
|
|
virtual uint32_t GetStringTrackedDeviceProperty( vr::TrackedDeviceIndex_t unDeviceIndex, TrackedDeviceProperty prop, VR_OUT_STRING() char *pchValue, uint32_t unBufferSize, TrackedPropertyError *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( TrackedPropertyError error ) = 0;
|
|
|
|
// ------------------------------------
|
|
// Event methods
|
|
// ------------------------------------
|
|
|
|
/** Returns true and fills the event with the next event on the queue if there is one. If there are no events
|
|
* this method returns false */
|
|
virtual bool PollNextEvent( VREvent_t *pEvent ) = 0;
|
|
|
|
/** Returns true and fills the event with the next event on the queue if there is one. If there are no events
|
|
* this method returns false. Fills in the pose of the associated tracked device in the provided pose struct.
|
|
* This pose will always be older than the call to this function and should not be used to render the device. */
|
|
virtual bool PollNextEventWithPose( TrackingUniverseOrigin eOrigin, vr::VREvent_t *pEvent, vr::TrackedDevicePose_t *pTrackedDevicePose ) = 0;
|
|
|
|
/** returns the name of an EVREvent enum value */
|
|
virtual const char *GetEventTypeNameFromEnum( EVREventType eType ) = 0;
|
|
|
|
// ------------------------------------
|
|
// Rendering helper methods
|
|
// ------------------------------------
|
|
|
|
/** Returns the stencil mesh information for the current HMD. If this HMD does not have a stencil mesh the vertex data and count will be
|
|
* NULL and 0 respectively. This mesh is meant to be rendered into the stencil buffer (or into the depth buffer setting nearz) before rendering
|
|
* each eye's view. The pixels covered by this mesh will never be seen by the user after the lens distortion is applied and based on visibility to the panels.
|
|
* This will improve perf by letting the GPU early-reject pixels the user will never see before running the pixel shader.
|
|
* NOTE: Render this mesh with backface culling disabled since the winding order of the vertices can be different per-HMD or per-eye.
|
|
*/
|
|
virtual HiddenAreaMesh_t GetHiddenAreaMesh( Hmd_Eye eEye ) = 0;
|
|
|
|
|
|
// ------------------------------------
|
|
// Controller methods
|
|
// ------------------------------------
|
|
|
|
/** Fills the supplied struct with the current state of the controller. Returns false if the controller index
|
|
* is invalid. */
|
|
virtual bool GetControllerState( vr::TrackedDeviceIndex_t unControllerDeviceIndex, vr::VRControllerState_t *pControllerState ) = 0;
|
|
|
|
/** fills the supplied struct with the current state of the controller and the provided pose with the pose of
|
|
* the controller when the controller state was updated most recently. Use this form if you need a precise controller
|
|
* pose as input to your application when the user presses or releases a button. */
|
|
virtual bool GetControllerStateWithPose( TrackingUniverseOrigin eOrigin, vr::TrackedDeviceIndex_t unControllerDeviceIndex, vr::VRControllerState_t *pControllerState, TrackedDevicePose_t *pTrackedDevicePose ) = 0;
|
|
|
|
/** Trigger a single haptic pulse on a controller. After this call the application may not trigger another haptic pulse on this controller
|
|
* and axis combination for 5ms. */
|
|
virtual void TriggerHapticPulse( vr::TrackedDeviceIndex_t unControllerDeviceIndex, uint32_t unAxisId, unsigned short usDurationMicroSec ) = 0;
|
|
|
|
/** returns the name of an EVRButtonId enum value */
|
|
virtual const char *GetButtonIdNameFromEnum( EVRButtonId eButtonId ) = 0;
|
|
|
|
/** returns the name of an EVRControllerAxisType enum value */
|
|
virtual const char *GetControllerAxisTypeNameFromEnum( EVRControllerAxisType eAxisType ) = 0;
|
|
|
|
/** Processes mouse input from the specified controller as though it were a mouse pointed at a compositor overlay with the
|
|
* specified settings. The controller is treated like a laser pointer on the -z axis. The point where the laser pointer would
|
|
* intersect with the overlay is the mouse position, the trigger is left mouse, and the track pad is right mouse. When using
|
|
* system event output the caller should ensure that it has focus so that it receives the system events.
|
|
*
|
|
* Return true if the controller is pointed at the overlay and an event was generated. */
|
|
virtual bool HandleControllerOverlayInteractionAsMouse( const vr::Compositor_OverlaySettings & overlaySettings,
|
|
vr::HmdVector2_t vecWindowClientPositionOnScreen, vr::HmdVector2_t vecWindowClientSize,
|
|
vr::TrackedDeviceIndex_t unControllerDeviceIndex,
|
|
vr::EVRControllerEventOutputType eOutputType
|
|
) = 0;
|
|
|
|
/** Tells OpenVR that this process wants exclusive access to controller button states and button events. Other apps will be notified that
|
|
* they have lost input focus with a VREvent_InputFocusCaptured event. Returns false if input focus could not be captured for
|
|
* some reason. */
|
|
virtual bool CaptureInputFocus() = 0;
|
|
|
|
/** Tells OpenVR that this process no longer wants exclusive access to button states and button events. Other apps will be notified
|
|
* that input focus has been released with a VREvent_InputFocusReleased event. */
|
|
virtual void ReleaseInputFocus() = 0;
|
|
|
|
/** Returns true if input focus is captured by another process. */
|
|
virtual bool IsInputFocusCapturedByAnotherProcess() = 0;
|
|
};
|
|
|
|
static const char * const IVRSystem_Version = "IVRSystem_003";
|
|
|
|
}
|
|
|
|
// ivrchaperone.h
|
|
namespace vr
|
|
{
|
|
|
|
#if defined(__linux__) || defined(__APPLE__)
|
|
// The 32-bit version of gcc has the alignment requirement for uint64 and double set to
|
|
// 4 meaning that even with #pragma pack(8) these types will only be four-byte aligned.
|
|
// The 64-bit version of gcc has the alignment requirement for these types set to
|
|
// 8 meaning that unless we use #pragma pack(4) our structures will get bigger.
|
|
// The 64-bit structure packing has to match the 32-bit structure packing for each platform.
|
|
#pragma pack( push, 4 )
|
|
#else
|
|
#pragma pack( push, 8 )
|
|
#endif
|
|
|
|
enum ChaperoneCalibrationState
|
|
{
|
|
// OK!
|
|
ChaperoneCalibrationState_OK = 1, // Chaperone is fully calibrated and working correctly
|
|
|
|
// Warnings
|
|
ChaperoneCalibrationState_Warning = 100,
|
|
ChaperoneCalibrationState_Warning_BaseStationMayHaveMoved = 101, // A base station thinks that it might have moved
|
|
ChaperoneCalibrationState_Warning_BaseStationRemoved = 102, // There are less base stations than when calibrated
|
|
ChaperoneCalibrationState_Warning_SeatedBoundsInvalid = 103, // Seated bounds haven't been calibrated for the current tracking center
|
|
|
|
// Errors
|
|
ChaperoneCalibrationState_Error = 200,
|
|
ChaperoneCalibrationState_Error_BaseStationUninitalized = 201, // Tracking center hasn't be calibrated for at least one of the base stations
|
|
ChaperoneCalibrationState_Error_BaseStationConflict = 202, // Tracking center is calibrated, but base stations disagree on the tracking space
|
|
ChaperoneCalibrationState_Error_SoftBoundsInvalid = 203, // Soft bounds haven't been calibrated for the current tracking center
|
|
ChaperoneCalibrationState_Error_HardBoundsInvalid = 204, // Hard bounds haven't been calibrated for the current tracking center
|
|
};
|
|
|
|
/** SOFT BOUNDS ASSUMPTIONS
|
|
* Corners are in clockwise order.
|
|
* Tracking space center (0,0,0) is contained within the Soft Bounds.
|
|
* Angles of corners are between 25 and 155 degrees.
|
|
* Quadrilateral formed is convex.
|
|
* One side will run parallel to the X axis.
|
|
* Height of every corner is 0Y (on the floor). */
|
|
struct ChaperoneSoftBoundsInfo_t
|
|
{
|
|
HmdQuad_t quadCorners;
|
|
};
|
|
|
|
struct ChaperoneSeatedBoundsInfo_t
|
|
{
|
|
HmdVector3_t vSeatedHeadPosition;
|
|
HmdVector3_t vDeskEdgePositions[ 2 ];
|
|
};
|
|
|
|
/** 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 4 corner positions of the Soft Bounds (also know as Safe Zone and Play Space). */
|
|
virtual bool GetSoftBoundsInfo( ChaperoneSoftBoundsInfo_t *pInfo ) = 0;
|
|
|
|
/** Returns the quads representing the Hard Bounds (static physical obstacles). */
|
|
virtual bool GetHardBoundsInfo( VR_OUT_ARRAY_COUNT(punQuadsCount) HmdQuad_t *pQuadsBuffer, uint32_t* punQuadsCount ) = 0;
|
|
|
|
/** Returns the preferred seated position and front edge of their desk. */
|
|
virtual bool GetSeatedBoundsInfo( ChaperoneSeatedBoundsInfo_t *pInfo ) = 0;
|
|
|
|
};
|
|
|
|
static const char * const IVRChaperone_Version = "IVRChaperone_002";
|
|
|
|
#pragma pack( pop )
|
|
|
|
}
|
|
// ivrcompositor.h
|
|
namespace vr
|
|
{
|
|
|
|
#if defined(__linux__) || defined(__APPLE__)
|
|
// The 32-bit version of gcc has the alignment requirement for uint64 and double set to
|
|
// 4 meaning that even with #pragma pack(8) these types will only be four-byte aligned.
|
|
// The 64-bit version of gcc has the alignment requirement for these types set to
|
|
// 8 meaning that unless we use #pragma pack(4) our structures will get bigger.
|
|
// The 64-bit structure packing has to match the 32-bit structure packing for each platform.
|
|
#pragma pack( push, 4 )
|
|
#else
|
|
#pragma pack( push, 8 )
|
|
#endif
|
|
|
|
/** Identifies the graphics API for the associated device */
|
|
enum Compositor_DeviceType
|
|
{
|
|
Compositor_DeviceType_None,
|
|
Compositor_DeviceType_D3D9,
|
|
Compositor_DeviceType_D3D9Ex,
|
|
Compositor_DeviceType_D3D10,
|
|
Compositor_DeviceType_D3D11,
|
|
Compositor_DeviceType_OpenGL
|
|
};
|
|
|
|
|
|
/** Provides a single frame's timing information to the app */
|
|
struct Compositor_FrameTiming
|
|
{
|
|
uint32_t size; // sizeof(Compositor_FrameTiming)
|
|
double frameStart;
|
|
float frameVSync; // seconds from frame start
|
|
uint32_t droppedFrames;
|
|
uint32_t frameIndex;
|
|
vr::TrackedDevicePose_t pose;
|
|
};
|
|
|
|
|
|
/** Allows the application to control what part of the provided texture will be used in the
|
|
* frame buffer. */
|
|
struct Compositor_TextureBounds
|
|
{
|
|
float uMin, vMin;
|
|
float uMax, vMax;
|
|
};
|
|
|
|
#pragma pack( pop )
|
|
|
|
|
|
/** Allows the application to interact with the compositor */
|
|
class IVRCompositor
|
|
{
|
|
public:
|
|
/** Returns the last error that occurred in the compositor */
|
|
virtual uint32_t GetLastError( VR_OUT_STRING() char* pchBuffer, uint32_t unBufferSize ) = 0;
|
|
|
|
/** Turns vsync on or off on the compositor window */
|
|
virtual void SetVSync( bool bVSync ) = 0;
|
|
|
|
/** Returns true if vsync is enabled in the compositor window */
|
|
virtual bool GetVSync() = 0;
|
|
|
|
/** Sets gamma for the compositor window */
|
|
virtual void SetGamma( float fGamma ) = 0;
|
|
|
|
/** Returns the gamma for the compositor window */
|
|
virtual float GetGamma() = 0;
|
|
|
|
/** Sets the graphics device or context for the application that is going to feed
|
|
* images to the compositor. The type of the pDevice parameter must match the
|
|
* type that is provided:
|
|
* Compositor_DeviceType_D3D9 IDirect3DDevice9*
|
|
* Compositor_DeviceType_D3D9Ex IDirect3DDevice9Ex*
|
|
* Compositor_DeviceType_D3D10 ID3D10Device*
|
|
* Compositor_DeviceType_D3D11 ID3D11Device*
|
|
* Compositor_DeviceType_OpenGL HGLRC
|
|
*
|
|
* Note: D3D9 and D3D9Ex are not implemented at this time
|
|
*/
|
|
virtual void SetGraphicsDevice( Compositor_DeviceType eType, void* pDevice ) = 0;
|
|
|
|
/** Returns pose(s) to use to render scene. */
|
|
virtual void WaitGetPoses( VR_ARRAY_COUNT(unPoseArrayCount) TrackedDevicePose_t* pPoseArray, uint32_t unPoseArrayCount ) = 0;
|
|
|
|
/** Updated scene texture to display. If pBounds is NULL the entire texture will be used.
|
|
*
|
|
* OpenGL dirty state:
|
|
* glBindTexture
|
|
*/
|
|
virtual void Submit( Hmd_Eye eEye, void* pTexture, Compositor_TextureBounds* pBounds ) = 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;
|
|
|
|
/** returns the default settings that will be used for the overlay texture. Fetching these defaults
|
|
* can be useful if you mostly want the default values but want to change a few settings. */
|
|
virtual void GetOverlayDefaults( Compositor_OverlaySettings* pSettings ) = 0;
|
|
|
|
/** Texture to draw over the scene at distortion time. This texture will appear over the world on a quad.
|
|
* The pSettings parameter controls the size and position of the quad. */
|
|
virtual void SetOverlay(void* pTexture, Compositor_OverlaySettings* pSettings ) = 0;
|
|
|
|
/** Separate interface for providing the data as a stream of bytes, but there is an upper bound on data that can be sent */
|
|
virtual void SetOverlayRaw(void* buffer, uint32_t width, uint32_t height, uint32_t depth, Compositor_OverlaySettings* pSettings ) = 0;
|
|
|
|
/** Separate interface for providing the image through a filename:
|
|
* can be png or jpg, and should not be bigger than 1920x1080 */
|
|
virtual void SetOverlayFromFile( const char *pchFilePath, Compositor_OverlaySettings* pSettings ) = 0;
|
|
|
|
/** Removes the scene overlay texture. */
|
|
virtual void ClearOverlay() = 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;
|
|
|
|
/** 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 ). */
|
|
virtual void FadeToColor( float fSeconds, float fRed, float fGreen, float fBlue, float fAlpha, bool bBackground = false ) = 0;
|
|
|
|
/** Fading the Grid in or out in fSeconds */
|
|
virtual void FadeGrid( float fSeconds, bool bFadeIn ) = 0;
|
|
|
|
/** 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;
|
|
|
|
/** 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( const Compositor_OverlaySettings* pSettings, float fAspectRatio, vr::TrackingUniverseOrigin eOrigin, vr::HmdVector3_t vSource, vr::HmdVector3_t vDirection, vr::HmdVector2_t *pvecIntersectionUV, vr::HmdVector3_t *pvecIntersectionTrackingSpace ) = 0;
|
|
|
|
/** Sets tracking space returned by WaitGetPoses */
|
|
virtual void SetTrackingSpace( TrackingUniverseOrigin eOrigin ) = 0;
|
|
|
|
/** Gets current tracking space returned by WaitGetPoses */
|
|
virtual TrackingUniverseOrigin GetTrackingSpace() = 0;
|
|
};
|
|
|
|
static const char * const IVRCompositor_Version = "IVRCompositor_005";
|
|
|
|
} // namespace vr
|
|
|
|
|
|
// ivrcontrolpanel.h
|
|
namespace vr
|
|
{
|
|
|
|
class IVRControlPanel
|
|
{
|
|
public:
|
|
|
|
// ------------------------------------
|
|
// Driver enumeration methods
|
|
// ------------------------------------
|
|
|
|
/** the number of active drivers */
|
|
virtual uint32_t GetDriverCount() = 0;
|
|
|
|
/** The ID of the specified driver as a UTF-8 string. Returns the length of the ID in bytes. If
|
|
* the buffer is not large enough to fit the ID an empty string will be returned. In general, 128 bytes
|
|
* will be enough to fit any ID. */
|
|
virtual uint32_t GetDriverId( uint32_t unDriverIndex, char *pchBuffer, uint32_t unBufferLen ) = 0;
|
|
|
|
// ------------------------------------
|
|
// Display Enumeration Methods
|
|
// ------------------------------------
|
|
|
|
/** the number of active displays on the specified driver */
|
|
virtual uint32_t GetDriverDisplayCount( const char *pchDriverId ) = 0;
|
|
|
|
/** The ID of the specified display in the specified driver as a UTF-8 string. Returns the
|
|
* length of the ID in bytes. If the buffer is not large enough to fit the ID an empty
|
|
* string will be returned. In general, 128 bytes will be enough to fit any ID. */
|
|
virtual uint32_t GetDriverDisplayId( const char *pchDriverId, uint32_t unDisplayIndex, char *pchBuffer, uint32_t unBufferLen ) = 0;
|
|
|
|
// ------------------------------------
|
|
// Display Detail Methods
|
|
// ------------------------------------
|
|
|
|
/** The model name of the specified driver in the specified driver as a UTF-8 string. Returns the
|
|
* length of the model name in bytes. If the buffer is not large enough to fit the model name an empty
|
|
* string will be returned. In general, 128 bytes will be enough to fit any model name. Returns 0 if
|
|
* the display or driver was not found. */
|
|
virtual uint32_t GetDriverDisplayModelNumber( const char *pchDriverId, const char *pchDisplayId, char *pchBuffer, uint32_t unBufferLen ) = 0;
|
|
|
|
/** The serial number of the specified driver in the specified driver as a UTF-8 string. Returns the
|
|
* length of the serial number in bytes. If the buffer is not large enough to fit the serial number an empty
|
|
* string will be returned. In general, 128 bytes will be enough to fit any model name. Returns 0 if
|
|
* the display or driver was not found. */
|
|
virtual uint32_t GetDriverDisplaySerialNumber( const char *pchDriverId, const char *pchDisplayId, char *pchBuffer, uint32_t unBufferLen ) = 0;
|
|
|
|
/** Returns the IVRSystem interface for the current display that matches the specified version number.
|
|
* This is usually unnecessary and the return value of VR_Init can be used without calling this method. */
|
|
VR_IGNOREATTR()
|
|
virtual class IVRSystem *GetCurrentDisplayInterface( const char *pchHmdInterfaceVersion ) = 0;
|
|
|
|
// ------------------------------------
|
|
// Shared Resource Methods
|
|
// ------------------------------------
|
|
|
|
/** Loads the specified resource into the provided buffer if large enough.
|
|
* Returns the size in bytes of the buffer required to hold the specified resource. */
|
|
virtual uint32_t LoadSharedResource( const char *pchResourceName, char *pchBuffer, uint32_t unBufferLen ) = 0;
|
|
|
|
// ------------------------------------
|
|
// IPD Methods
|
|
// ------------------------------------
|
|
|
|
/** Gets the current IPD (Interpupillary Distance) in meters. */
|
|
virtual float GetIPD() = 0;
|
|
|
|
/** Sets the current IPD (Interpupillary Distance) in meters. */
|
|
virtual void SetIPD( float fIPD ) = 0;
|
|
|
|
// ------------------------------------
|
|
// Compositor Methods
|
|
// ------------------------------------
|
|
|
|
/** Returns the IVRCompositor interface that matches the specified interface version. This will only
|
|
* return the compositor interface if it has already been initialized by the current process. */
|
|
virtual class IVRCompositor *GetCurrentCompositorInterface( const char *pchInterfaceVersion ) = 0;
|
|
};
|
|
|
|
static const char * const IVRControlPanel_Version = "IVRControlPanel_001";
|
|
|
|
}// End
|
|
|
|
#endif // _OPENVR_API
|
|
|
|
|
|
namespace vr
|
|
{
|
|
// 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)
|
|
|
|
#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
|
|
|
|
/** Finds the active installation of the VR API and initializes it. The provided path must be absolute
|
|
* or relative to the current working directory. These are the local install versions of the equivalent
|
|
* functions in steamvr.h and will work without a local Steam install.
|
|
*
|
|
* This path is to the "root" of the VR API install. That's the directory with
|
|
* the "drivers" directory and a platform (i.e. "win32") directory in it, not the directory with the DLL itself.
|
|
*/
|
|
VR_INTERFACE vr::IVRSystem *VR_CALLTYPE VR_Init( vr::HmdError *peError );
|
|
|
|
/** unloads vrclient.dll. Any interface pointers from the interface are
|
|
* invalid after this point */
|
|
VR_INTERFACE void VR_CALLTYPE VR_Shutdown();
|
|
|
|
/** Returns true if there is an HMD attached. This check is as lightweight as possible and
|
|
* can be called outside of VR_Init/VR_Shutdown. It should be used when an application wants
|
|
* to know if initializing VR is a possibility but isn't ready to take that step yet.
|
|
*/
|
|
VR_INTERFACE bool VR_CALLTYPE VR_IsHmdPresent();
|
|
|
|
/** Returns the string version of an HMD error. This function may be called outside of VR_Init()/VR_Shutdown(). */
|
|
VR_INTERFACE const char *VR_CALLTYPE VR_GetStringForHmdError( vr::HmdError error );
|
|
|
|
/** Returns the interface of the specified version. This method must be called after VR_Init. The
|
|
* pointer returned is valid until VR_Shutdown is called.
|
|
*/
|
|
VR_INTERFACE void *VR_CALLTYPE VR_GetGenericInterface( const char *pchInterfaceVersion, vr::HmdError *peError );
|
|
|
|
} |