The open source OpenXR runtime
st/oxr: Switch to use new loader header
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src/external/openxr_includes/openxr/loader_interfaces.h
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src/external/openxr_includes/openxr/loader_interfaces.h
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// Copyright (c) 2017-2022, The Khronos Group Inc.
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// Copyright (c) 2017 Valve Corporation
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// Copyright (c) 2017 LunarG, Inc.
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//
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// SPDX-License-Identifier: Apache-2.0 OR MIT
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//
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// Initial Author: Mark Young <marky@lunarg.com>
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//
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#pragma once
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#include <openxr/openxr.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Forward declare.
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typedef struct XrApiLayerCreateInfo XrApiLayerCreateInfo;
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// Function pointer prototype for the xrCreateApiLayerInstance function used in place of xrCreateInstance.
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// This function allows us to pass special API layer information to each layer during the process of creating an Instance.
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typedef XrResult(XRAPI_PTR *PFN_xrCreateApiLayerInstance)(const XrInstanceCreateInfo *info,
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const XrApiLayerCreateInfo *apiLayerInfo, XrInstance *instance);
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// Loader/API Layer Interface versions
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// 1 - First version, introduces negotiation structure and functions
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#define XR_CURRENT_LOADER_API_LAYER_VERSION 1
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// Loader/Runtime Interface versions
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// 1 - First version, introduces negotiation structure and functions
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#define XR_CURRENT_LOADER_RUNTIME_VERSION 1
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// Version negotiation values
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typedef enum XrLoaderInterfaceStructs {
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XR_LOADER_INTERFACE_STRUCT_UNINTIALIZED = 0,
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XR_LOADER_INTERFACE_STRUCT_LOADER_INFO,
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XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST,
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XR_LOADER_INTERFACE_STRUCT_RUNTIME_REQUEST,
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XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO,
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XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO,
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} XrLoaderInterfaceStructs;
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#define XR_LOADER_INFO_STRUCT_VERSION 1
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typedef struct XrNegotiateLoaderInfo {
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XrLoaderInterfaceStructs structType; // XR_LOADER_INTERFACE_STRUCT_LOADER_INFO
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uint32_t structVersion; // XR_LOADER_INFO_STRUCT_VERSION
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size_t structSize; // sizeof(XrNegotiateLoaderInfo)
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uint32_t minInterfaceVersion;
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uint32_t maxInterfaceVersion;
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XrVersion minApiVersion;
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XrVersion maxApiVersion;
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} XrNegotiateLoaderInfo;
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#define XR_API_LAYER_INFO_STRUCT_VERSION 1
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typedef struct XrNegotiateApiLayerRequest {
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XrLoaderInterfaceStructs structType; // XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST
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uint32_t structVersion; // XR_API_LAYER_INFO_STRUCT_VERSION
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size_t structSize; // sizeof(XrNegotiateApiLayerRequest)
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uint32_t layerInterfaceVersion; // CURRENT_LOADER_API_LAYER_VERSION
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XrVersion layerApiVersion;
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PFN_xrGetInstanceProcAddr getInstanceProcAddr;
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PFN_xrCreateApiLayerInstance createApiLayerInstance;
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} XrNegotiateApiLayerRequest;
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#define XR_RUNTIME_INFO_STRUCT_VERSION 1
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typedef struct XrNegotiateRuntimeRequest {
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XrLoaderInterfaceStructs structType; // XR_LOADER_INTERFACE_STRUCT_RUNTIME_REQUEST
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uint32_t structVersion; // XR_RUNTIME_INFO_STRUCT_VERSION
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size_t structSize; // sizeof(XrNegotiateRuntimeRequest)
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uint32_t runtimeInterfaceVersion; // CURRENT_LOADER_RUNTIME_VERSION
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XrVersion runtimeApiVersion;
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PFN_xrGetInstanceProcAddr getInstanceProcAddr;
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} XrNegotiateRuntimeRequest;
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// Function used to negotiate an interface betewen the loader and an API layer. Each library exposing one or
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// more API layers needs to expose at least this function.
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typedef XrResult(XRAPI_PTR *PFN_xrNegotiateLoaderApiLayerInterface)(const XrNegotiateLoaderInfo *loaderInfo,
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const char *apiLayerName,
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XrNegotiateApiLayerRequest *apiLayerRequest);
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// Function used to negotiate an interface betewen the loader and a runtime. Each runtime should expose
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// at least this function.
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typedef XrResult(XRAPI_PTR *PFN_xrNegotiateLoaderRuntimeInterface)(const XrNegotiateLoaderInfo *loaderInfo,
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XrNegotiateRuntimeRequest *runtimeRequest);
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// Forward declare.
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typedef struct XrApiLayerNextInfo XrApiLayerNextInfo;
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#define XR_API_LAYER_NEXT_INFO_STRUCT_VERSION 1
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struct XrApiLayerNextInfo {
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XrLoaderInterfaceStructs structType; // XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO
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uint32_t structVersion; // XR_API_LAYER_NEXT_INFO_STRUCT_VERSION
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size_t structSize; // sizeof(XrApiLayerNextInfo)
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char layerName[XR_MAX_API_LAYER_NAME_SIZE]; // Name of API layer which should receive this info
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PFN_xrGetInstanceProcAddr nextGetInstanceProcAddr; // Pointer to next API layer's xrGetInstanceProcAddr
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PFN_xrCreateApiLayerInstance nextCreateApiLayerInstance; // Pointer to next API layer's xrCreateApiLayerInstance
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XrApiLayerNextInfo *next; // Pointer to the next API layer info in the sequence
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};
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#define XR_API_LAYER_MAX_SETTINGS_PATH_SIZE 512
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#define XR_API_LAYER_CREATE_INFO_STRUCT_VERSION 1
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typedef struct XrApiLayerCreateInfo {
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XrLoaderInterfaceStructs structType; // XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO
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uint32_t structVersion; // XR_API_LAYER_CREATE_INFO_STRUCT_VERSION
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size_t structSize; // sizeof(XrApiLayerCreateInfo)
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void *loaderInstance; // Pointer to the LoaderInstance class
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char settings_file_location[XR_API_LAYER_MAX_SETTINGS_PATH_SIZE]; // Location to the found settings file (or empty '\0')
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XrApiLayerNextInfo *nextInfo; // Pointer to the next API layer's Info
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} XrApiLayerCreateInfo;
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#ifdef __cplusplus
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} // extern "C"
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#endif
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src/xrt/include/xrt/xrt_openxr_includes.h
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src/xrt/include/xrt/xrt_openxr_includes.h
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#include <time.h>
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#endif
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#include "openxr/openxr.h" // IWYU pragma: export
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#include "openxr/openxr_platform.h" // IWYU pragma: export
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#include "openxr/loader_interfaces.h" // IWYU pragma: export
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#include "openxr/openxr.h" // IWYU pragma: export
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#include "openxr/openxr_platform.h" // IWYU pragma: export
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#include "openxr/openxr_loader_negotiation.h" // IWYU pragma: export
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#include "openxr/XR_MNDX_hydra.h"
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#include "openxr/XR_MNDX_system_buttons.h"