Atlas - openxr_loader_negotiation.h
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[FILE BEGIN]
1#ifndef OPENXR_LOADER_NEGOTIATION_H_
2#define OPENXR_LOADER_NEGOTIATION_H_ 1
3
4/*
5** Copyright 2017-2025 The Khronos Group Inc.
6**
7** SPDX-License-Identifier: Apache-2.0 OR MIT
8*/
9
10/*
11** This header is generated from the Khronos OpenXR XML API Registry.
12**
13*/
14
15#include "openxr.h"
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21
22
23// XR_LOADER_VERSION_1_0 is a preprocessor guard. Do not pass it to API calls.
24#define XR_LOADER_VERSION_1_0 1
25
26#define XR_CURRENT_LOADER_API_LAYER_VERSION 1
27
28
29#define XR_CURRENT_LOADER_RUNTIME_VERSION 1
30
31
32#define XR_LOADER_INFO_STRUCT_VERSION 1
33
34
35#define XR_API_LAYER_INFO_STRUCT_VERSION 1
36
37
38#define XR_RUNTIME_INFO_STRUCT_VERSION 1
39
40
41#define XR_API_LAYER_NEXT_INFO_STRUCT_VERSION 1
42
43
44#define XR_API_LAYER_CREATE_INFO_STRUCT_VERSION 1
45
46
47#define XR_API_LAYER_MAX_SETTINGS_PATH_SIZE 512
48
49
50typedef enum XrLoaderInterfaceStructs {
51    XR_LOADER_INTERFACE_STRUCT_UNINTIALIZED = 0,
52    XR_LOADER_INTERFACE_STRUCT_LOADER_INFO = 1,
53    XR_LOADER_INTERFACE_STRUCT_API_LAYER_REQUEST = 2,
54    XR_LOADER_INTERFACE_STRUCT_RUNTIME_REQUEST = 3,
55    XR_LOADER_INTERFACE_STRUCT_API_LAYER_CREATE_INFO = 4,
56    XR_LOADER_INTERFACE_STRUCT_API_LAYER_NEXT_INFO = 5,
57    XR_LOADER_INTERFACE_STRUCTS_MAX_ENUM = 0x7FFFFFFF
58} XrLoaderInterfaceStructs;
59typedef XrResult (XRAPI_PTR *PFN_xrGetInstanceProcAddr)(XrInstance instance, const char* name, PFN_xrVoidFunction* function);
60
61typedef struct XrApiLayerCreateInfo XrApiLayerCreateInfo;
62typedef XrResult (XRAPI_PTR *PFN_xrCreateApiLayerInstance)(
63            const XrInstanceCreateInfo* info,
64            const XrApiLayerCreateInfo* apiLayerInfo,
65            XrInstance* instance);
66
67typedef struct XrApiLayerNextInfo {
68    XrLoaderInterfaceStructs        structType;
69    uint32_t                        structVersion;
70    size_t                          structSize;
71    char                            layerName[XR_MAX_API_LAYER_NAME_SIZE];
72    PFN_xrGetInstanceProcAddr       nextGetInstanceProcAddr;
73    PFN_xrCreateApiLayerInstance    nextCreateApiLayerInstance;
74    struct XrApiLayerNextInfo*      next;
75} XrApiLayerNextInfo;
76
77typedef struct XrApiLayerCreateInfo {
78    XrLoaderInterfaceStructs    structType;
79    uint32_t                    structVersion;
80    size_t                      structSize;
81    void* XR_MAY_ALIAS          loaderInstance;
82    char                        settings_file_location[XR_API_LAYER_MAX_SETTINGS_PATH_SIZE];
83    XrApiLayerNextInfo*         nextInfo;
84} XrApiLayerCreateInfo;
85
86typedef struct XrNegotiateLoaderInfo {
87    XrLoaderInterfaceStructs    structType;
88    uint32_t                    structVersion;
89    size_t                      structSize;
90    uint32_t                    minInterfaceVersion;
91    uint32_t                    maxInterfaceVersion;
92    XrVersion                   minApiVersion;
93    XrVersion                   maxApiVersion;
94} XrNegotiateLoaderInfo;
95
96typedef struct XrNegotiateRuntimeRequest {
97    XrLoaderInterfaceStructs     structType;
98    uint32_t                     structVersion;
99    size_t                       structSize;
100    uint32_t                     runtimeInterfaceVersion;
101    XrVersion                    runtimeApiVersion;
102    PFN_xrGetInstanceProcAddr    getInstanceProcAddr;
103} XrNegotiateRuntimeRequest;
104
105typedef struct XrNegotiateApiLayerRequest {
106    XrLoaderInterfaceStructs        structType;
107    uint32_t                        structVersion;
108    size_t                          structSize;
109    uint32_t                        layerInterfaceVersion;
110    XrVersion                       layerApiVersion;
111    PFN_xrGetInstanceProcAddr       getInstanceProcAddr;
112    PFN_xrCreateApiLayerInstance    createApiLayerInstance;
113} XrNegotiateApiLayerRequest;
114
115typedef XrResult (XRAPI_PTR *PFN_xrCreateApiLayerInstance)(const XrInstanceCreateInfo* info, const XrApiLayerCreateInfo* layerInfo, XrInstance* instance);
116typedef XrResult (XRAPI_PTR *PFN_xrNegotiateLoaderRuntimeInterface)(const XrNegotiateLoaderInfo* loaderInfo, XrNegotiateRuntimeRequest* runtimeRequest);
117typedef XrResult (XRAPI_PTR *PFN_xrNegotiateLoaderApiLayerInterface)(const XrNegotiateLoaderInfo* loaderInfo, const char* layerName, XrNegotiateApiLayerRequest* apiLayerRequest);
118
119#ifndef XR_NO_PROTOTYPES
120#ifdef XR_EXTENSION_PROTOTYPES
121XRAPI_ATTR XrResult XRAPI_CALL xrCreateApiLayerInstance(
122    const XrInstanceCreateInfo*                 info,
123    const XrApiLayerCreateInfo*                 layerInfo,
124    XrInstance*                                 instance);
125
126XRAPI_ATTR XrResult XRAPI_CALL xrNegotiateLoaderRuntimeInterface(
127    const XrNegotiateLoaderInfo*                loaderInfo,
128    XrNegotiateRuntimeRequest*                  runtimeRequest);
129
130XRAPI_ATTR XrResult XRAPI_CALL xrNegotiateLoaderApiLayerInterface(
131    const XrNegotiateLoaderInfo*                loaderInfo,
132    const char*                                 layerName,
133    XrNegotiateApiLayerRequest*                 apiLayerRequest);
134#endif /* XR_EXTENSION_PROTOTYPES */
135#endif /* !XR_NO_PROTOTYPES */
136
137#ifdef __cplusplus
138}
139#endif
140
141#endif
142
[FILE END]
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