gecko-dev/gfx/vr/ovr_capi_dynamic.h

388 строки
11 KiB
C

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
/* This file contains just the needed struct definitions for
* interacting with the Oculus VR C API, without needing to #include
* OVR_CAPI.h directly. Note that it uses the same type names as the
* CAPI, and cannot be #included at the same time as OVR_CAPI.h. It
* does not include the entire C API, just want's needed.
*/
#ifdef OVR_CAPI_h
#ifdef _MSC_VER
#pragma message("ovr_capi_dyanmic.h: OVR_CAPI.h included before ovr_capi_dynamic.h, skipping this")
#else
#warning OVR_CAPI.h included before ovr_capi_dynamic.h, skipping this
#endif
#define mozilla_ovr_capi_dynamic_h_
#else
#ifndef mozilla_ovr_capi_dynamic_h_
#define mozilla_ovr_capi_dynamic_h_
#define OVR_CAPI_LIMITED_MOZILLA 1
#ifdef HAVE_64BIT_BUILD
#define OVR_PTR_SIZE 8
#define OVR_ON64(x) x
#else
#define OVR_PTR_SIZE 4
#define OVR_ON64(x) /**/
#endif
#if defined(_WIN32)
#define OVR_PFN __cdecl
#else
#define OVR_PFN
#endif
#if !defined(OVR_ALIGNAS)
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 408) && (defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103L))
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__clang__) && !defined(__APPLE__) && (((__clang_major__ * 100) + __clang_minor__) >= 300) && (__cplusplus >= 201103L)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__clang__) && defined(__APPLE__) && (((__clang_major__ * 100) + __clang_minor__) >= 401) && (__cplusplus >= 201103L)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(_MSC_VER) && (_MSC_VER >= 1900)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__EDG_VERSION__) && (__EDG_VERSION__ >= 408)
#define OVR_ALIGNAS(n) alignas(n)
#elif defined(__GNUC__) || defined(__clang__)
#define OVR_ALIGNAS(n) __attribute__((aligned(n)))
#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
#define OVR_ALIGNAS(n) __declspec(align(n))
#else
#error Need to define OVR_ALIGNAS
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef int32_t ovrResult;
typedef char ovrBool;
typedef struct { int x, y; } ovrVector2i;
typedef struct { int w, h; } ovrSizei;
typedef struct { ovrVector2i Pos; ovrSizei Size; } ovrRecti;
typedef struct { float x, y, z, w; } ovrQuatf;
typedef struct { float x, y; } ovrVector2f;
typedef struct { float x, y, z; } ovrVector3f;
typedef struct { float M[4][4]; } ovrMatrix4f;
typedef struct {
ovrQuatf Orientation;
ovrVector3f Position;
} ovrPosef;
typedef struct OVR_ALIGNAS(8) {
ovrPosef ThePose;
ovrVector3f AngularVelocity;
ovrVector3f LinearVelocity;
ovrVector3f AngularAcceleration;
ovrVector3f LinearAcceleration;
float Pad;
double TimeInSeconds;
} ovrPoseStatef;
typedef struct {
float UpTan;
float DownTan;
float LeftTan;
float RightTan;
} ovrFovPort;
typedef enum {
ovrHmd_None = 0,
ovrHmd_DK1 = 3,
ovrHmd_DKHD = 4,
ovrHmd_DK2 = 6,
ovrHmd_BlackStar = 7,
ovrHmd_CB = 8,
ovrHmd_Other = 9,
ovrHmd_EnumSize = 0x7fffffff
} ovrHmdType;
typedef enum {
ovrHmdCap_DebugDevice = 0x0010,
ovrHmdCap_LowPersistence = 0x0080,
ovrHmdCap_DynamicPrediction = 0x0200,
ovrHmdCap_NoVSync = 0x1000,
ovrHmdCap_EnumSize = 0x7fffffff
} ovrHmdCapBits;
typedef enum
{
ovrTrackingCap_Orientation = 0x0010,
ovrTrackingCap_MagYawCorrection = 0x0020,
ovrTrackingCap_Position = 0x0040,
ovrTrackingCap_Idle = 0x0100,
ovrTrackingCap_EnumSize = 0x7fffffff
} ovrTrackingCaps;
typedef enum {
ovrEye_Left = 0,
ovrEye_Right = 1,
ovrEye_Count = 2,
ovrEye_EnumSize = 0x7fffffff
} ovrEyeType;
typedef struct OVR_ALIGNAS(OVR_PTR_SIZE) {
void* Handle;
ovrHmdType Type;
OVR_ON64(uint32_t pad0;)
const char* ProductName;
const char* Manufacturer;
short VendorId;
short ProductId;
char SerialNumber[24];
short FirmwareMajor;
short FirmwareMinor;
float CameraFrustumHFovInRadians;
float CameraFrustumVFovInRadians;
float CameraFrustumNearZInMeters;
float CameraFrustumFarZInMeters;
unsigned int HmdCaps;
unsigned int TrackingCaps;
ovrFovPort DefaultEyeFov[ovrEye_Count];
ovrFovPort MaxEyeFov[ovrEye_Count];
ovrEyeType EyeRenderOrder[ovrEye_Count];
ovrSizei Resolution;
} ovrHmdDesc;
typedef const ovrHmdDesc* ovrHmd;
typedef enum {
ovrStatus_OrientationTracked = 0x0001,
ovrStatus_PositionTracked = 0x0002,
ovrStatus_CameraPoseTracked = 0x0004,
ovrStatus_PositionConnected = 0x0020,
ovrStatus_HmdConnected = 0x0080,
ovrStatus_EnumSize = 0x7fffffff
} ovrStatusBits;
typedef struct OVR_ALIGNAS(4) {
ovrVector3f Accelerometer;
ovrVector3f Gyro;
ovrVector3f Magnetometer;
float Temperature;
float TimeInSeconds;
} ovrSensorData;
typedef struct OVR_ALIGNAS(8) {
ovrPoseStatef HeadPose;
ovrPosef CameraPose;
ovrPosef LeveledCameraPose;
ovrSensorData RawSensorData;
unsigned int StatusFlags;
uint32_t LastCameraFrameCounter;
uint32_t pad0;
} ovrTrackingState;
typedef struct OVR_ALIGNAS(8) {
double DisplayMidpointSeconds;
double FrameIntervalSeconds;
unsigned AppFrameIndex;
unsigned DisplayFrameIndex;
} ovrFrameTiming;
typedef struct OVR_ALIGNAS(4) {
ovrEyeType Eye;
ovrFovPort Fov;
ovrRecti DistortedViewport;
ovrVector2f PixelsPerTanAngleAtCenter;
ovrVector3f HmdToEyeViewOffset;
} ovrEyeRenderDesc;
typedef struct OVR_ALIGNAS(4) {
float Projection22;
float Projection23;
float Projection32;
} ovrTimewarpProjectionDesc;
typedef struct OVR_ALIGNAS(4) {
ovrVector3f HmdToEyeViewOffset[ovrEye_Count];
float HmdSpaceToWorldScaleInMeters;
} ovrViewScaleDesc;
typedef enum {
ovrRenderAPI_None,
ovrRenderAPI_OpenGL,
ovrRenderAPI_Android_GLES,
ovrRenderAPI_D3D9_Obsolete,
ovrRenderAPI_D3D10_Obsolete,
ovrRenderAPI_D3D11,
ovrRenderAPI_Count,
ovrRenderAPI_EnumSize = 0x7fffffff
} ovrRenderAPIType;
typedef struct OVR_ALIGNAS(4) {
ovrRenderAPIType API;
ovrSizei TextureSize;
} ovrTextureHeader;
typedef struct OVR_ALIGNAS(OVR_PTR_SIZE) {
ovrTextureHeader Header;
OVR_ON64(uint32_t pad0;)
uintptr_t PlatformData[8];
} ovrTexture;
typedef struct OVR_ALIGNAS(OVR_PTR_SIZE) {
ovrTexture* Textures;
int TextureCount;
int CurrentIndex;
} ovrSwapTextureSet;
typedef enum {
ovrInit_Debug = 0x00000001,
ovrInit_ServerOptional = 0x00000002,
ovrInit_RequestVersion = 0x00000004,
ovrInit_ForceNoDebug = 0x00000008,
ovrInit_EnumSize = 0x7fffffff
} ovrInitFlags;
typedef enum {
ovrLogLevel_Debug = 0,
ovrLogLevel_Info = 1,
ovrLogLevel_Error = 2,
ovrLogLevel_EnumSize = 0x7fffffff
} ovrLogLevel;
typedef enum {
ovrLayerType_Disabled = 0,
ovrLayerType_EyeFov = 1,
ovrLayerType_EyeFovDepth = 2,
ovrLayerType_QuadInWorld = 3,
ovrLayerType_QuadHeadLocked = 4,
ovrLayerType_Direct = 6,
ovrLayerType_EnumSize = 0x7fffffff
} ovrLayerType;
typedef enum {
ovrLayerFlag_HighQuality = 0x01,
ovrLayerFlag_TextureOriginAtBottomLeft = 0x02
} ovrLayerFlags;
typedef struct OVR_ALIGNAS(OVR_PTR_SIZE) {
ovrLayerType Type;
unsigned Flags;
} ovrLayerHeader;
typedef struct OVR_ALIGNAS(OVR_PTR_SIZE) {
ovrLayerHeader Header;
ovrSwapTextureSet* ColorTexture[ovrEye_Count];
ovrRecti Viewport[ovrEye_Count];
ovrFovPort Fov[ovrEye_Count];
ovrPosef RenderPose[ovrEye_Count];
} ovrLayerEyeFov;
typedef void (OVR_PFN *ovrLogCallback)(int level, const char* message);
typedef struct OVR_ALIGNAS(8) {
uint32_t Flags;
uint32_t RequestedMinorVersion;
ovrLogCallback LogCallback;
uint32_t ConnectionTimeoutMS;
OVR_ON64(uint32_t pad0;)
} ovrInitParams;
enum {
ovrSuccess = 0,
ovrError_MemoryAllocationFailure = -1000,
ovrError_SocketCreationFailure = -1001,
ovrError_InvalidHmd = -1002,
ovrError_Timeout = -1003,
ovrError_NotInitialized = -1004,
ovrError_InvalidParameter = -1005,
ovrError_ServiceError = -1006,
ovrError_NoHmd = -1007,
ovrError_AudioReservedBegin = -2000,
ovrError_AudioReservedEnd = -2999,
ovrError_Initialize = -3000,
ovrError_LibLoad = -3001,
ovrError_LibVersion = -3002,
ovrError_ServiceConnection = -3003,
ovrError_ServiceVersion = -3004,
ovrError_IncompatibleOS = -3005,
ovrError_DisplayInit = -3006,
ovrError_ServerStart = -3007,
ovrError_Reinitialization = -3008,
ovrError_InvalidBundleAdjustment = -4000,
ovrError_USBBandwidth = -4001
};
typedef ovrResult (OVR_PFN *pfn_ovr_Initialize)(ovrInitParams const* params);
typedef void (OVR_PFN *pfn_ovr_Shutdown)();
typedef double (OVR_PFN *pfn_ovr_GetTimeInSeconds)();
typedef ovrResult (OVR_PFN *pfn_ovrHmd_Detect)();
typedef ovrResult (OVR_PFN *pfn_ovrHmd_Create)(int index, ovrHmd*);
typedef ovrResult (OVR_PFN *pfn_ovrHmd_CreateDebug)(ovrHmdType type, ovrHmd*);
typedef void (OVR_PFN *pfn_ovrHmd_Destroy)(ovrHmd hmd);
typedef ovrResult (OVR_PFN *pfn_ovrHmd_ConfigureTracking)(ovrHmd hmd, unsigned int supportedTrackingCaps, unsigned int requiredTrackingCaps);
typedef void (OVR_PFN *pfn_ovrHmd_RecenterPose)(ovrHmd hmd);
typedef ovrTrackingState (OVR_PFN *pfn_ovrHmd_GetTrackingState)(ovrHmd hmd, double absTime);
typedef ovrSizei (OVR_PFN *pfn_ovrHmd_GetFovTextureSize)(ovrHmd hmd, ovrEyeType eye, ovrFovPort fov, float pixelsPerDisplayPixel);
typedef ovrEyeRenderDesc (OVR_PFN *pfn_ovrHmd_GetRenderDesc)(ovrHmd hmd, ovrEyeType eyeType, ovrFovPort fov);
typedef void (OVR_PFN *pfn_ovrHmd_DestroySwapTextureSet)(ovrHmd hmd, ovrSwapTextureSet* textureSet);
typedef ovrResult (OVR_PFN *pfn_ovrHmd_SubmitFrame)(ovrHmd hmd, unsigned int frameIndex,
const ovrViewScaleDesc* viewScaleDesc,
ovrLayerHeader const * const * layerPtrList, unsigned int layerCount);
#ifdef XP_WIN
struct D3D11_TEXTURE2D_DESC;
struct ID3D11Device;
struct ID3D11Texture2D;
struct ID3D11ShaderResourceView;
typedef struct OVR_ALIGNAS(OVR_PTR_SIZE) {
ovrTextureHeader Header;
OVR_ON64(uint32_t pad0;)
ID3D11Texture2D* pTexture;
ID3D11ShaderResourceView* pSRView;
} ovrD3D11TextureData;
typedef union {
ovrTexture Texture;
ovrD3D11TextureData D3D11;
} ovrD3D11Texture;
typedef ovrResult (OVR_PFN *pfn_ovrHmd_CreateSwapTextureSetD3D11)(ovrHmd hmd, ID3D11Device* device,
const D3D11_TEXTURE2D_DESC* desc,
ovrSwapTextureSet** outTextureSet);
#endif
typedef struct {
ovrTextureHeader Header;
uint32_t TexId;
} ovrGLTextureData;
typedef union {
ovrTexture Texture;
ovrGLTextureData OGL;
} ovrGLTexture;
typedef ovrResult (OVR_PFN *pfn_ovrHmd_CreateSwapTextureSetGL)(ovrHmd hmd, uint32_t format,
int width, int height,
ovrSwapTextureSet** outTextureSet);
#ifdef __cplusplus
}
#endif
#endif /* mozilla_ovr_capi_dynamic_h_ */
#endif /* OVR_CAPI_h */