mirror of
https://github.com/classilla/tenfourfox.git
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285 lines
9.8 KiB
C++
285 lines
9.8 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* This file contains just the needed struct definitions for
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* interacting with the Oculus VR C API, without needing to #include
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* OVR_CAPI.h directly. Note that it uses the same type names as the
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* CAPI, and cannot be #included at the same time as OVR_CAPI.h. It
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* does not include the entire C API, just want's needed.
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*/
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#ifndef mozilla_ovr_capi_dynamic050_h_
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#define mozilla_ovr_capi_dynamic050_h_
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#define OVR_CAPI_050_LIMITED_MOZILLA 1
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#if defined(_WIN32)
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#define OVR_PFN __cdecl
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#else
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#define OVR_PFN
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#endif
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#if !defined(OVR_ALIGNAS)
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#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 408) && (defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L))
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#define OVR_ALIGNAS(n) alignas(n)
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#elif defined(__clang__) && !defined(__APPLE__) && (((__clang_major__ * 100) + __clang_minor__) >= 300) && (__cplusplus >= 201103L)
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#define OVR_ALIGNAS(n) alignas(n)
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#elif defined(__clang__) && defined(__APPLE__) && (((__clang_major__ * 100) + __clang_minor__) >= 401) && (__cplusplus >= 201103L)
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#define OVR_ALIGNAS(n) alignas(n)
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#elif defined(_MSC_VER) && (_MSC_VER >= 1900)
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#define OVR_ALIGNAS(n) alignas(n)
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#elif defined(__EDG_VERSION__) && (__EDG_VERSION__ >= 408)
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#define OVR_ALIGNAS(n) alignas(n)
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#elif defined(__GNUC__) || defined(__clang__)
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#define OVR_ALIGNAS(n) __attribute__((aligned(n)))
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#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
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#define OVR_ALIGNAS(n) __declspec(align(n))
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#else
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#error Need to define OVR_ALIGNAS
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#endif
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#endif
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namespace ovr050 {
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typedef char ovrBool;
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typedef struct { int x, y; } ovrVector2i;
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typedef struct { int w, h; } ovrSizei;
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typedef struct { ovrVector2i Pos; ovrSizei Size; } ovrRecti;
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typedef struct { float x, y, z, w; } ovrQuatf;
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typedef struct { float x, y; } ovrVector2f;
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typedef struct { float x, y, z; } ovrVector3f;
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typedef struct { float M[4][4]; } ovrMatrix4f;
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typedef struct {
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ovrQuatf Orientation;
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ovrVector3f Position;
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} ovrPosef;
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typedef struct OVR_ALIGNAS(8) {
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ovrPosef ThePose;
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ovrVector3f AngularVelocity;
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ovrVector3f LinearVelocity;
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ovrVector3f AngularAcceleration;
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ovrVector3f LinearAcceleration;
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float Pad;
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double TimeInSeconds;
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} ovrPoseStatef;
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typedef struct {
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float UpTan;
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float DownTan;
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float LeftTan;
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float RightTan;
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} ovrFovPort;
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typedef enum {
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ovrHmd_None = 0,
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ovrHmd_DK1 = 3,
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ovrHmd_DKHD = 4,
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ovrHmd_DK2 = 6,
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ovrHmd_BlackStar = 7,
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ovrHmd_CB = 8,
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ovrHmd_Other = 9,
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ovrHmd_EnumSize = 0x7fffffff
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} ovrHmdType;
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typedef enum {
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ovrHmdCap_Present = 0x0001,
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ovrHmdCap_Available = 0x0002,
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ovrHmdCap_Captured = 0x0004,
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ovrHmdCap_ExtendDesktop = 0x0008,
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ovrHmdCap_DebugDevice = 0x0010,
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ovrHmdCap_DisplayOff = 0x0040,
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ovrHmdCap_LowPersistence = 0x0080,
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ovrHmdCap_DynamicPrediction = 0x0200,
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ovrHmdCap_NoVSync = 0x1000,
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ovrHmdCap_NoMirrorToWindow = 0x2000
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} ovrHmdCapBits;
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typedef enum
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{
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ovrTrackingCap_Orientation = 0x0010,
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ovrTrackingCap_MagYawCorrection = 0x0020,
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ovrTrackingCap_Position = 0x0040,
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ovrTrackingCap_Idle = 0x0100,
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ovrTrackingCap_EnumSize = 0x7fffffff
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} ovrTrackingCaps;
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typedef enum {
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ovrDistortionCap_Chromatic = 0x01,
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ovrDistortionCap_TimeWarp = 0x02,
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ovrDistortionCap_Vignette = 0x08,
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ovrDistortionCap_NoRestore = 0x10,
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ovrDistortionCap_FlipInput = 0x20,
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ovrDistortionCap_SRGB = 0x40,
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ovrDistortionCap_Overdrive = 0x80,
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ovrDistortionCap_HqDistortion = 0x100,
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ovrDistortionCap_LinuxDevFullscreen = 0x200,
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ovrDistortionCap_ComputeShader = 0x400,
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ovrDistortionCap_TimewarpJitDelay = 0x1000,
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ovrDistortionCap_ProfileNoSpinWaits = 0x10000,
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ovrDistortionCap_EnumSize = 0x7fffffff
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} ovrDistortionCaps;
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typedef enum {
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ovrEye_Left = 0,
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ovrEye_Right = 1,
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ovrEye_Count = 2,
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ovrEye_EnumSize = 0x7fffffff
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} ovrEyeType;
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typedef struct ovrHmdDesc_ {
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void* Handle;
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ovrHmdType Type;
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const char* ProductName;
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const char* Manufacturer;
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short VendorId;
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short ProductId;
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char SerialNumber[24];
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short FirmwareMajor;
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short FirmwareMinor;
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float CameraFrustumHFovInRadians;
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float CameraFrustumVFovInRadians;
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float CameraFrustumNearZInMeters;
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float CameraFrustumFarZInMeters;
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unsigned int HmdCaps;
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unsigned int TrackingCaps;
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unsigned int DistortionCaps;
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ovrFovPort DefaultEyeFov[ovrEye_Count];
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ovrFovPort MaxEyeFov[ovrEye_Count];
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ovrEyeType EyeRenderOrder[ovrEye_Count];
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ovrSizei Resolution;
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ovrVector2i WindowsPos;
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const char* DisplayDeviceName;
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int DisplayId;
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} ovrHmdDesc;
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typedef const ovrHmdDesc* ovrHmd;
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typedef enum {
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ovrStatus_OrientationTracked = 0x0001,
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ovrStatus_PositionTracked = 0x0002,
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ovrStatus_CameraPoseTracked = 0x0004,
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ovrStatus_PositionConnected = 0x0020,
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ovrStatus_HmdConnected = 0x0080,
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ovrStatus_EnumSize = 0x7fffffff
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} ovrStatusBits;
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typedef struct ovrSensorData_ {
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ovrVector3f Accelerometer;
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ovrVector3f Gyro;
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ovrVector3f Magnetometer;
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float Temperature;
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float TimeInSeconds;
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} ovrSensorData;
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typedef struct ovrTrackingState_ {
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ovrPoseStatef HeadPose;
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ovrPosef CameraPose;
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ovrPosef LeveledCameraPose;
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ovrSensorData RawSensorData;
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unsigned int StatusFlags;
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double LastVisionProcessingTime;
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uint32_t LastCameraFrameCounter;
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uint32_t Pad;
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} ovrTrackingState;
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typedef struct OVR_ALIGNAS(8) ovrFrameTiming_ {
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float DeltaSeconds;
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float Pad;
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double ThisFrameSeconds;
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double TimewarpPointSeconds;
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double NextFrameSeconds;
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double ScanoutMidpointSeconds;
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double EyeScanoutSeconds[2];
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} ovrFrameTiming;
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typedef struct ovrEyeRenderDesc_ {
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ovrEyeType Eye;
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ovrFovPort Fov;
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ovrRecti DistortedViewport;
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ovrVector2f PixelsPerTanAngleAtCenter;
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ovrVector3f HmdToEyeViewOffset;
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} ovrEyeRenderDesc;
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typedef struct ovrDistortionVertex_ {
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ovrVector2f ScreenPosNDC;
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float TimeWarpFactor;
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float VignetteFactor;
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ovrVector2f TanEyeAnglesR;
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ovrVector2f TanEyeAnglesG;
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ovrVector2f TanEyeAnglesB;
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} ovrDistortionVertex;
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typedef struct ovrDistortionMesh_ {
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ovrDistortionVertex* pVertexData;
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unsigned short* pIndexData;
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unsigned int VertexCount;
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unsigned int IndexCount;
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} ovrDistortionMesh;
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typedef enum {
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ovrInit_Debug = 0x00000001,
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ovrInit_ServerOptional = 0x00000002,
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ovrInit_RequestVersion = 0x00000004,
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ovrInit_ForceNoDebug = 0x00000008
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} ovrInitFlags;
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typedef enum {
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ovrLogLevel_Debug = 0,
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ovrLogLevel_Info = 1,
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ovrLogLevel_Error = 2
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} ovrLogLevel;
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typedef void (OVR_PFN *ovrLogCallback)(int level, const char* message);
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typedef struct {
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uint32_t Flags;
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uint32_t RequestedMinorVersion;
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ovrLogCallback LogCallback;
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uint32_t ConnectionTimeoutMS;
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} ovrInitParams;
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extern "C" {
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typedef ovrBool (OVR_PFN *pfn_ovr_Initialize)(ovrInitParams const* params);
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typedef void (OVR_PFN *pfn_ovr_Shutdown)();
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typedef int (OVR_PFN *pfn_ovrHmd_Detect)();
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typedef ovrHmd (OVR_PFN *pfn_ovrHmd_Create)(int index);
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typedef void (OVR_PFN *pfn_ovrHmd_Destroy)(ovrHmd hmd);
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typedef ovrHmd (OVR_PFN *pfn_ovrHmd_CreateDebug)(ovrHmdType type);
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typedef const char* (OVR_PFN *pfn_ovrHmd_GetLastError)(ovrHmd hmd);
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typedef ovrBool (OVR_PFN *pfn_ovrHmd_AttachToWindow)(ovrHmd hmd, void* window, const ovrRecti* destMirrorRect, const ovrRecti* sourceRenderTargetRect);
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typedef unsigned int (OVR_PFN *pfn_ovrHmd_GetEnabledCaps)(ovrHmd hmd);
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typedef void (OVR_PFN *pfn_ovrHmd_SetEnabledCaps)(ovrHmd hmd, unsigned int hmdCaps);
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typedef ovrBool (OVR_PFN *pfn_ovrHmd_ConfigureTracking)(ovrHmd hmd, unsigned int supportedTrackingCaps, unsigned int requiredTrackingCaps);
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typedef void (OVR_PFN *pfn_ovrHmd_RecenterPose)(ovrHmd hmd);
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typedef ovrTrackingState (OVR_PFN *pfn_ovrHmd_GetTrackingState)(ovrHmd hmd, double absTime);
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typedef ovrSizei (OVR_PFN *pfn_ovrHmd_GetFovTextureSize)(ovrHmd hmd, ovrEyeType eye, ovrFovPort fov, float pixelsPerDisplayPixel);
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typedef ovrEyeRenderDesc (OVR_PFN *pfn_ovrHmd_GetRenderDesc)(ovrHmd hmd, ovrEyeType eyeType, ovrFovPort fov);
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typedef ovrBool (OVR_PFN *pfn_ovrHmd_CreateDistortionMesh)(ovrHmd hmd, ovrEyeType eyeType, ovrFovPort fov, unsigned int distortionCaps, ovrDistortionMesh *meshData);
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typedef void (OVR_PFN *pfn_ovrHmd_DestroyDistortionMesh)(ovrDistortionMesh* meshData);
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typedef void (OVR_PFN *pfn_ovrHmd_GetRenderScaleAndOffset)(ovrFovPort fov, ovrSizei textureSize, ovrRecti renderViewport, ovrVector2f uvScaleOffsetOut[2]);
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typedef ovrFrameTiming (OVR_PFN *pfn_ovrHmd_GetFrameTiming)(ovrHmd hmd, unsigned int frameIndex);
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typedef ovrFrameTiming (OVR_PFN *pfn_ovrHmd_BeginFrameTiming)(ovrHmd hmd, unsigned int frameIndex);
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typedef void (OVR_PFN *pfn_ovrHmd_EndFrameTiming)(ovrHmd hmd);
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typedef void (OVR_PFN *pfn_ovrHmd_ResetFrameTiming)(ovrHmd hmd, unsigned int frameIndex, bool vsync);
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typedef void (OVR_PFN *pfn_ovrHmd_GetEyePoses)(ovrHmd hmd, unsigned int frameIndex, ovrVector3f hmdToEyeViewOffset[2], ovrPosef outEyePoses[2], ovrTrackingState* outHmdTrackingState);
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typedef ovrPosef (OVR_PFN *pfn_ovrHmd_GetHmdPosePerEye)(ovrHmd hmd, ovrEyeType eye);
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typedef void (OVR_PFN *pfn_ovrHmd_GetEyeTimewarpMatrices)(ovrHmd hmd, ovrEyeType eye, ovrPosef renderPose, ovrMatrix4f twmOut[2]);
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typedef ovrMatrix4f (OVR_PFN *pfn_ovrMatrix4f_Projection) (ovrFovPort fov, float znear, float zfar, ovrBool rightHanded );
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typedef ovrMatrix4f (OVR_PFN *pfn_ovrMatrix4f_OrthoSubProjection) (ovrFovPort fov, ovrVector2f orthoScale, float orthoDistance, float eyeViewAdjustX);
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typedef double (OVR_PFN *pfn_ovr_GetTimeInSeconds)();
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} // extern "C"
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} // namespace ovr050
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#endif /* mozilla_ovr_capi_dynamic050_h_ */
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