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diff --git a/ovr_sdk_win_23.0.0/LibOVR/Include/OVR_ErrorCode.h b/ovr_sdk_win_23.0.0/LibOVR/Include/OVR_ErrorCode.h
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+/********************************************************************************/ /**
+ \file  OVR_ErrorCode.h
+ \brief     This header provides LibOVR error code declarations.
+ \copyright Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
+ *************************************************************************************/
+
+#ifndef OVR_ErrorCode_h
+#define OVR_ErrorCode_h
+
+#include <stdint.h>
+#include "OVR_Version.h"
+
+
+
+#ifndef OVR_RESULT_DEFINED
+#define OVR_RESULT_DEFINED ///< Allows ovrResult to be independently defined.
+/// API call results are represented at the highest level by a single ovrResult.
+typedef int32_t ovrResult;
+#endif
+
+/// \brief Indicates if an ovrResult indicates success.
+///
+/// Some functions return additional successful values other than ovrSucces and
+/// require usage of this macro to indicate successs.
+///
+#if !defined(OVR_SUCCESS)
+#define OVR_SUCCESS(result) (result >= 0)
+#endif
+
+/// \brief Indicates if an ovrResult indicates an unqualified success.
+///
+/// This is useful for indicating that the code intentionally wants to
+/// check for result == ovrSuccess as opposed to OVR_SUCCESS(), which
+/// checks for result >= ovrSuccess.
+///
+#if !defined(OVR_UNQUALIFIED_SUCCESS)
+#define OVR_UNQUALIFIED_SUCCESS(result) (result == ovrSuccess)
+#endif
+
+/// \brief Indicates if an ovrResult indicates failure.
+///
+#if !defined(OVR_FAILURE)
+#define OVR_FAILURE(result) (!OVR_SUCCESS(result))
+#endif
+
+// Success is a value greater or equal to 0, while all error types are negative values.
+#ifndef OVR_SUCCESS_DEFINED
+#define OVR_SUCCESS_DEFINED ///< Allows ovrResult to be independently defined.
+typedef enum ovrSuccessType_ {
+  /// This is a general success result. Use OVR_SUCCESS to test for success.
+  ovrSuccess = 0,
+} ovrSuccessType;
+#endif
+
+// Public success types
+// Success is a value greater or equal to 0, while all error types are negative values.
+typedef enum ovrSuccessTypes_ {
+  /// Returned from a call to SubmitFrame. The call succeeded, but what the app
+  /// rendered will not be visible on the HMD. Ideally the app should continue
+  /// calling SubmitFrame, but not do any rendering. When the result becomes
+  /// ovrSuccess, rendering should continue as usual.
+  ovrSuccess_NotVisible = 1000,
+
+  /// Boundary is invalid due to sensor change or was not setup.
+  ovrSuccess_BoundaryInvalid = 1001,
+
+  /// Device is not available for the requested operation.
+  ovrSuccess_DeviceUnavailable = 1002,
+} ovrSuccessTypes;
+
+// Public error types
+typedef enum ovrErrorType_ {
+  /******************/
+  /* General errors */
+  /******************/
+
+  /// Failure to allocate memory.
+  ovrError_MemoryAllocationFailure = -1000,
+
+  /// Invalid ovrSession parameter provided.
+  ovrError_InvalidSession = -1002,
+
+  /// The operation timed out.
+  ovrError_Timeout = -1003,
+
+  /// The system or component has not been initialized.
+  ovrError_NotInitialized = -1004,
+
+  /// Invalid parameter provided. See error info or log for details.
+  ovrError_InvalidParameter = -1005,
+
+  /// Generic service error. See error info or log for details.
+  ovrError_ServiceError = -1006,
+
+  /// The given HMD doesn't exist.
+  ovrError_NoHmd = -1007,
+
+  /// Function call is not supported on this hardware/software
+  ovrError_Unsupported = -1009,
+
+  /// Specified device type isn't available.
+  ovrError_DeviceUnavailable = -1010,
+
+  /// The headset was in an invalid orientation for the requested
+  /// operation (e.g. vertically oriented during ovr_RecenterPose).
+  ovrError_InvalidHeadsetOrientation = -1011,
+
+  /// The client failed to call ovr_Destroy on an active session before calling ovr_Shutdown.
+  /// Or the client crashed.
+  ovrError_ClientSkippedDestroy = -1012,
+
+  /// The client failed to call ovr_Shutdown or the client crashed.
+  ovrError_ClientSkippedShutdown = -1013,
+
+  ///< The service watchdog discovered a deadlock.
+  ovrError_ServiceDeadlockDetected = -1014,
+
+  ///< Function call is invalid for object's current state
+  ovrError_InvalidOperation = -1015,
+
+  ///< Increase size of output array
+  ovrError_InsufficientArraySize = -1016,
+
+  /// There is not any external camera information stored by ovrServer.
+  ovrError_NoExternalCameraInfo = -1017,
+
+  /// Tracking is lost when ovr_GetDevicePoses() is called.
+  ovrError_LostTracking = -1018,
+
+  /// There was a problem initializing the external camera for capture
+  ovrError_ExternalCameraInitializedFailed = -1019,
+
+  /// There was a problem capturing external camera frames
+  ovrError_ExternalCameraCaptureFailed = -1020,
+
+  /// The external camera friendly name list and the external camera name list
+  /// are not the fixed size(OVR_MAX_EXTERNAL_CAMERA_NAME_BUFFER_SIZE).
+  ovrError_ExternalCameraNameListsBufferSize = -1021,
+
+  /// The external camera friendly name list is not the same size as
+  /// the external camera name list.
+  ovrError_ExternalCameraNameListsMistmatch = -1022,
+
+  /// The external camera property has not been sent to OVRServer
+  /// when the user tries to open the camera.
+  ovrError_ExternalCameraNotCalibrated = -1023,
+
+  /// The external camera name is larger than OVR_EXTERNAL_CAMERA_NAME_SIZE-1
+  ovrError_ExternalCameraNameWrongSize = -1024,
+
+  /// The caller doesn't have permissions for the requested action.
+  ovrError_AccessDenied = -1025,
+
+  /*************************************************/
+  /* Audio error range, reserved for Audio errors. */
+  /*************************************************/
+
+  /// Failure to find neither audio input or output device.
+  ovrError_AudioDeviceNotFound = -2001,
+
+  /// Generic COM error.
+  ovrError_AudioComError = -2002,
+
+  /// Failure to find the specified audio input device.
+  ovrError_AudioInputDeviceNotFound = -2003,
+
+  /// Failure to find the specified audio output device.
+  ovrError_AudioOutputDeviceNotFound = -2004,
+
+  /**************************/
+  /* Initialization errors. */
+  /**************************/
+
+  /// Generic initialization error.
+  ovrError_Initialize = -3000,
+
+  /// Couldn't load LibOVRRT.
+  ovrError_LibLoad = -3001,
+
+  /// LibOVRRT version incompatibility.
+  ovrError_LibVersion = -3002,
+
+  /// Couldn't connect to the OVR Service.
+  ovrError_ServiceConnection = -3003,
+
+  /// OVR Service version incompatibility.
+  ovrError_ServiceVersion = -3004,
+
+  /// The operating system version is incompatible.
+  ovrError_IncompatibleOS = -3005,
+
+  /// Unable to initialize the HMD display.
+  ovrError_DisplayInit = -3006,
+
+  /// Unable to start the server. Is it already running?
+  ovrError_ServerStart = -3007,
+
+  /// Attempting to re-initialize with a different version.
+  ovrError_Reinitialization = -3008,
+
+  /// Chosen rendering adapters between client and service do not match
+  ovrError_MismatchedAdapters = -3009,
+
+  /// Calling application has leaked resources
+  ovrError_LeakingResources = -3010,
+
+  /// Client version too old to connect to service
+  ovrError_ClientVersion = -3011,
+
+  /// The operating system is out of date.
+  ovrError_OutOfDateOS = -3012,
+
+  /// The graphics driver is out of date.
+  ovrError_OutOfDateGfxDriver = -3013,
+
+  /// The graphics hardware is not supported
+  ovrError_IncompatibleGPU = -3014,
+
+  /// No valid VR display system found.
+  ovrError_NoValidVRDisplaySystem = -3015,
+
+  /// Feature or API is obsolete and no longer supported.
+  ovrError_Obsolete = -3016,
+
+  /// No supported VR display system found, but disabled or driverless adapter found.
+  ovrError_DisabledOrDefaultAdapter = -3017,
+
+  /// The system is using hybrid graphics (Optimus, etc...), which is not support.
+  ovrError_HybridGraphicsNotSupported = -3018,
+
+  /// Initialization of the DisplayManager failed.
+  ovrError_DisplayManagerInit = -3019,
+
+  /// Failed to get the interface for an attached tracker
+  ovrError_TrackerDriverInit = -3020,
+
+  /// LibOVRRT signature check failure.
+  ovrError_LibSignCheck = -3021,
+
+  /// LibOVRRT path failure.
+  ovrError_LibPath = -3022,
+
+  /// LibOVRRT symbol resolution failure.
+  ovrError_LibSymbols = -3023,
+
+  /// Failed to connect to the service because remote connections to the service are not allowed.
+  ovrError_RemoteSession = -3024,
+
+  /// Vulkan initialization error.
+  ovrError_InitializeVulkan = -3025,
+
+  /// The graphics driver is black-listed.
+  ovrError_BlacklistedGfxDriver = -3026,
+
+  /********************/
+  /* Rendering errors */
+  /********************/
+
+  /// In the event of a system-wide graphics reset or cable unplug this is returned to the app.
+  ovrError_DisplayLost = -6000,
+
+  /// ovr_CommitTextureSwapChain was called too many times on a texture swapchain without
+  /// calling submit to use the chain.
+  ovrError_TextureSwapChainFull = -6001,
+
+  /// The ovrTextureSwapChain is in an incomplete or inconsistent state.
+  /// Ensure ovr_CommitTextureSwapChain was called at least once first.
+  ovrError_TextureSwapChainInvalid = -6002,
+
+  /// Graphics device has been reset (TDR, etc...)
+  ovrError_GraphicsDeviceReset = -6003,
+
+  /// HMD removed from the display adapter
+  ovrError_DisplayRemoved = -6004,
+
+  /// Content protection is not available for the display.
+  ovrError_ContentProtectionNotAvailable = -6005,
+
+  /// Application declared itself as an invisible type and is not allowed to submit frames.
+  ovrError_ApplicationInvisible = -6006,
+
+  /// The given request is disallowed under the current conditions.
+  ovrError_Disallowed = -6007,
+
+  /// Display portion of HMD is plugged into an incompatible port (ex: IGP)
+  ovrError_DisplayPluggedIncorrectly = -6008,
+
+  /// Returned in the event a virtual display system reaches a display limit
+  ovrError_DisplayLimitReached = -6009,
+
+  /****************/
+  /* Fatal errors */
+  /****************/
+
+  ///< A runtime exception occurred. The application is required to shutdown LibOVR and
+  /// re-initialize it before this error state will be cleared.
+  ovrError_RuntimeException = -7000,
+
+  /**********************/
+  /* Calibration errors */
+  /**********************/
+
+  /// Result of a missing calibration block
+  ovrError_NoCalibration = -9000,
+
+  /// Result of an old calibration block
+  ovrError_OldVersion = -9001,
+
+  /// Result of a bad calibration block due to lengths
+  ovrError_MisformattedBlock = -9002,
+
+/****************/
+/* Other errors */
+/****************/
+
+
+} ovrErrorType;
+
+/// Provides information about the last error.
+/// \see ovr_GetLastErrorInfo
+typedef struct ovrErrorInfo_ {
+  /// The result from the last API call that generated an error ovrResult.
+  ovrResult Result;
+
+  /// A UTF8-encoded null-terminated English string describing the problem.
+  /// The format of this string is subject to change in future versions.
+  char ErrorString[512];
+} ovrErrorInfo;
+
+#endif /* OVR_ErrorCode_h */