Monado OpenXR Runtime
oxr_conversions.h
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1// Copyright 2018-2024, Collabora, Ltd.
2// SPDX-License-Identifier: BSL-1.0
3/*!
4 * @file
5 * @brief Smaller helper functions to convert between xrt and OpenXR things.
6 * @author Christoph Haag <christoph.haag@collabora.com>
7 * @author Jakob Bornecrantz <jakob@collabora.com>
8 * @ingroup oxr_main
9 */
10
11#pragma once
12
13#include "xrt/xrt_defines.h"
14#include "xrt/xrt_space.h"
15#include "xrt/xrt_vulkan_includes.h"
16#include "xrt/xrt_openxr_includes.h"
17
18
19/*
20 *
21 * Space things.
22 *
23 */
24
25static inline XrSpaceLocationFlags
26xrt_to_xr_space_location_flags(enum xrt_space_relation_flags relation_flags)
27{
28 // clang-format off
29 bool valid_ori = (relation_flags & XRT_SPACE_RELATION_ORIENTATION_VALID_BIT) != 0;
30 bool tracked_ori = (relation_flags & XRT_SPACE_RELATION_ORIENTATION_TRACKED_BIT) != 0;
31 bool valid_pos = (relation_flags & XRT_SPACE_RELATION_POSITION_VALID_BIT) != 0;
32 bool tracked_pos = (relation_flags & XRT_SPACE_RELATION_POSITION_TRACKED_BIT) != 0;
33
34 bool linear_vel = (relation_flags & XRT_SPACE_RELATION_LINEAR_VELOCITY_VALID_BIT) != 0;
35 bool angular_vel = (relation_flags & XRT_SPACE_RELATION_ANGULAR_VELOCITY_VALID_BIT) != 0;
36 // clang-format on
37
38 XrSpaceLocationFlags location_flags = (XrSpaceLocationFlags)0;
39 if (valid_ori) {
40 location_flags |= XR_SPACE_LOCATION_ORIENTATION_VALID_BIT;
41 }
42 if (tracked_ori) {
43 location_flags |= XR_SPACE_LOCATION_ORIENTATION_TRACKED_BIT;
44 }
45 if (valid_pos) {
46 location_flags |= XR_SPACE_LOCATION_POSITION_VALID_BIT;
47 }
48 if (tracked_pos) {
49 location_flags |= XR_SPACE_LOCATION_POSITION_TRACKED_BIT;
50 }
51 if (linear_vel) {
52 location_flags |= XR_SPACE_VELOCITY_LINEAR_VALID_BIT;
53 }
54 if (angular_vel) {
55 location_flags |= XR_SPACE_VELOCITY_ANGULAR_VALID_BIT;
56 }
57
58 return location_flags;
59}
60
61static inline XrReferenceSpaceType
62oxr_ref_space_to_xr(enum oxr_space_type space_type)
63{
64 switch (space_type) {
65 case OXR_SPACE_TYPE_REFERENCE_VIEW: return XR_REFERENCE_SPACE_TYPE_VIEW;
66 case OXR_SPACE_TYPE_REFERENCE_LOCAL: return XR_REFERENCE_SPACE_TYPE_LOCAL;
67 case OXR_SPACE_TYPE_REFERENCE_LOCAL_FLOOR: return XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR_EXT;
68 case OXR_SPACE_TYPE_REFERENCE_STAGE: return XR_REFERENCE_SPACE_TYPE_STAGE;
69 case OXR_SPACE_TYPE_REFERENCE_UNBOUNDED_MSFT: return XR_REFERENCE_SPACE_TYPE_UNBOUNDED_MSFT;
70 case OXR_SPACE_TYPE_REFERENCE_COMBINED_EYE_VARJO: return XR_REFERENCE_SPACE_TYPE_COMBINED_EYE_VARJO;
71 case OXR_SPACE_TYPE_REFERENCE_LOCALIZATION_MAP_ML: return XR_REFERENCE_SPACE_TYPE_LOCALIZATION_MAP_ML;
72
73 case OXR_SPACE_TYPE_ACTION: return XR_REFERENCE_SPACE_TYPE_MAX_ENUM;
74 case OXR_SPACE_TYPE_XDEV_POSE: return XR_REFERENCE_SPACE_TYPE_MAX_ENUM;
75 }
76
77 return XR_REFERENCE_SPACE_TYPE_MAX_ENUM;
78}
79
80static inline enum oxr_space_type
81xr_ref_space_to_oxr(XrReferenceSpaceType space_type)
82{
83 switch (space_type) {
84 case XR_REFERENCE_SPACE_TYPE_VIEW: return OXR_SPACE_TYPE_REFERENCE_VIEW;
85 case XR_REFERENCE_SPACE_TYPE_LOCAL: return OXR_SPACE_TYPE_REFERENCE_LOCAL;
86 case XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR_EXT: return OXR_SPACE_TYPE_REFERENCE_LOCAL_FLOOR;
87 case XR_REFERENCE_SPACE_TYPE_STAGE: return OXR_SPACE_TYPE_REFERENCE_STAGE;
88 case XR_REFERENCE_SPACE_TYPE_UNBOUNDED_MSFT: return OXR_SPACE_TYPE_REFERENCE_UNBOUNDED_MSFT;
89 case XR_REFERENCE_SPACE_TYPE_COMBINED_EYE_VARJO: return OXR_SPACE_TYPE_REFERENCE_COMBINED_EYE_VARJO;
90 case XR_REFERENCE_SPACE_TYPE_LOCALIZATION_MAP_ML: return OXR_SPACE_TYPE_REFERENCE_LOCALIZATION_MAP_ML;
91
92 case XR_REFERENCE_SPACE_TYPE_MAX_ENUM: return (enum oxr_space_type) - 1;
93 }
94
95 // wrap around or negative depending on enum data type, invalid value either way.
96 return (enum oxr_space_type) - 1;
97}
98
99static inline const char *
100xr_ref_space_to_string(XrReferenceSpaceType space_type)
101{
102 switch (space_type) {
103 case XR_REFERENCE_SPACE_TYPE_VIEW: return "XR_REFERENCE_SPACE_TYPE_VIEW";
104 case XR_REFERENCE_SPACE_TYPE_LOCAL: return "XR_REFERENCE_SPACE_TYPE_LOCAL";
105 case XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR_EXT: return "XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR_EXT";
106 case XR_REFERENCE_SPACE_TYPE_STAGE: return "XR_REFERENCE_SPACE_TYPE_STAGE";
107 case XR_REFERENCE_SPACE_TYPE_UNBOUNDED_MSFT: return "XR_REFERENCE_SPACE_TYPE_UNBOUNDED_MSFT";
108 case XR_REFERENCE_SPACE_TYPE_COMBINED_EYE_VARJO: return "XR_REFERENCE_SPACE_TYPE_COMBINED_EYE_VARJO";
109 case XR_REFERENCE_SPACE_TYPE_MAX_ENUM: return "XR_REFERENCE_SPACE_TYPE_MAX_ENUM";
110 default: return "UNKNOWN REFERENCE SPACE";
111 }
112}
113
114static inline enum xrt_reference_space_type
115oxr_ref_space_to_xrt(enum oxr_space_type space_type)
116{
117 switch (space_type) {
118 case OXR_SPACE_TYPE_REFERENCE_VIEW: return XRT_SPACE_REFERENCE_TYPE_VIEW;
119 case OXR_SPACE_TYPE_REFERENCE_LOCAL: return XRT_SPACE_REFERENCE_TYPE_LOCAL;
120 case OXR_SPACE_TYPE_REFERENCE_LOCAL_FLOOR: return XRT_SPACE_REFERENCE_TYPE_LOCAL_FLOOR;
121 case OXR_SPACE_TYPE_REFERENCE_STAGE: return XRT_SPACE_REFERENCE_TYPE_STAGE;
122 case OXR_SPACE_TYPE_REFERENCE_UNBOUNDED_MSFT: return XRT_SPACE_REFERENCE_TYPE_UNBOUNDED;
123
124 // Has no mapping to a Monado semantic space.
125 case OXR_SPACE_TYPE_REFERENCE_COMBINED_EYE_VARJO: return XRT_SPACE_REFERENCE_TYPE_INVALID;
126 case OXR_SPACE_TYPE_REFERENCE_LOCALIZATION_MAP_ML: return XRT_SPACE_REFERENCE_TYPE_INVALID;
127 case OXR_SPACE_TYPE_ACTION: return XRT_SPACE_REFERENCE_TYPE_INVALID;
128 case OXR_SPACE_TYPE_XDEV_POSE: return XRT_SPACE_REFERENCE_TYPE_INVALID;
129 }
130
131 /*
132 * This is the default case, we do not have a explicit default case
133 * so that we get warnings for unhandled enum members. This is fine
134 * because the C specification says if there is no default case and
135 * and a non-matching value is given no case is executed.
136 */
137
138 return XRT_SPACE_REFERENCE_TYPE_INVALID;
139}
140
141static inline enum xrt_reference_space_type
142xr_ref_space_to_xrt(XrReferenceSpaceType space_type)
143{
144 switch (space_type) {
145 case XR_REFERENCE_SPACE_TYPE_VIEW: return XRT_SPACE_REFERENCE_TYPE_VIEW;
146 case XR_REFERENCE_SPACE_TYPE_LOCAL: return XRT_SPACE_REFERENCE_TYPE_LOCAL;
147 case XR_REFERENCE_SPACE_TYPE_LOCAL_FLOOR_EXT: return XRT_SPACE_REFERENCE_TYPE_LOCAL_FLOOR;
148 case XR_REFERENCE_SPACE_TYPE_STAGE: return XRT_SPACE_REFERENCE_TYPE_STAGE;
149 case XR_REFERENCE_SPACE_TYPE_UNBOUNDED_MSFT: return XRT_SPACE_REFERENCE_TYPE_UNBOUNDED;
150
151 case XR_REFERENCE_SPACE_TYPE_COMBINED_EYE_VARJO: return XRT_SPACE_REFERENCE_TYPE_INVALID;
152 case XR_REFERENCE_SPACE_TYPE_LOCALIZATION_MAP_ML: return XRT_SPACE_REFERENCE_TYPE_INVALID;
153 case XR_REFERENCE_SPACE_TYPE_MAX_ENUM: return XRT_SPACE_REFERENCE_TYPE_INVALID;
154 }
155
156 return XRT_SPACE_REFERENCE_TYPE_INVALID;
157}
158
159/*
160 *
161 * IO things.
162 *
163 */
164
165static inline const char *
166xrt_input_type_to_str(enum xrt_input_type type)
167{
168 // clang-format off
169 switch (type) {
170 case XRT_INPUT_TYPE_VEC1_ZERO_TO_ONE: return "XRT_INPUT_TYPE_VEC1_ZERO_TO_ONE";
171 case XRT_INPUT_TYPE_VEC1_MINUS_ONE_TO_ONE: return "XRT_INPUT_TYPE_VEC1_MINUS_ONE_TO_ONE";
172 case XRT_INPUT_TYPE_VEC2_MINUS_ONE_TO_ONE: return "XRT_INPUT_TYPE_VEC2_MINUS_ONE_TO_ONE";
173 case XRT_INPUT_TYPE_VEC3_MINUS_ONE_TO_ONE: return "XRT_INPUT_TYPE_VEC3_MINUS_ONE_TO_ONE";
174 case XRT_INPUT_TYPE_BOOLEAN: return "XRT_INPUT_TYPE_BOOLEAN";
175 case XRT_INPUT_TYPE_POSE: return "XRT_INPUT_TYPE_POSE";
176 default: return "XRT_INPUT_UNKNOWN";
177 }
178 // clang-format on
179}
180
181static inline enum xrt_perf_set_level
182xr_perf_level_to_xrt(XrPerfSettingsLevelEXT level)
183{
184 switch (level) {
185 case XR_PERF_SETTINGS_LEVEL_POWER_SAVINGS_EXT: return XRT_PERF_SET_LEVEL_POWER_SAVINGS;
186 case XR_PERF_SETTINGS_LEVEL_SUSTAINED_LOW_EXT: return XRT_PERF_SET_LEVEL_SUSTAINED_LOW;
187 case XR_PERF_SETTINGS_LEVEL_SUSTAINED_HIGH_EXT: return XRT_PERF_SET_LEVEL_SUSTAINED_HIGH;
188 case XR_PERF_SETTINGS_LEVEL_BOOST_EXT: return XRT_PERF_SET_LEVEL_BOOST;
189 default: assert(false); return 0;
190 }
191}
192
193static inline enum xrt_perf_domain
194xr_perf_domain_to_xrt(XrPerfSettingsDomainEXT domain)
195{
196 switch (domain) {
197 case XR_PERF_SETTINGS_DOMAIN_CPU_EXT: return XRT_PERF_DOMAIN_CPU;
198 case XR_PERF_SETTINGS_DOMAIN_GPU_EXT: return XRT_PERF_DOMAIN_GPU;
199 default: assert(false); return 0;
200 }
201}
202
203static inline XrPerfSettingsDomainEXT
204xrt_perf_domain_to_xr(enum xrt_perf_domain domain)
205{
206 switch (domain) {
207 case XRT_PERF_DOMAIN_CPU: return XR_PERF_SETTINGS_DOMAIN_CPU_EXT;
208 case XRT_PERF_DOMAIN_GPU: return XR_PERF_SETTINGS_DOMAIN_GPU_EXT;
209 default: assert(false); return 0;
210 }
211}
212
213static inline XrPerfSettingsSubDomainEXT
214xrt_perf_sub_domain_to_xr(enum xrt_perf_sub_domain subDomain)
215{
216 switch (subDomain) {
217 case XRT_PERF_SUB_DOMAIN_COMPOSITING: return XR_PERF_SETTINGS_SUB_DOMAIN_COMPOSITING_EXT;
218 case XRT_PERF_SUB_DOMAIN_RENDERING: return XR_PERF_SETTINGS_SUB_DOMAIN_RENDERING_EXT;
219 case XRT_PERF_SUB_DOMAIN_THERMAL: return XR_PERF_SETTINGS_SUB_DOMAIN_THERMAL_EXT;
220 default: assert(false); return 0;
221 }
222}
223
224static inline XrPerfSettingsNotificationLevelEXT
225xrt_perf_notify_level_to_xr(enum xrt_perf_notify_level level)
226{
227 switch (level) {
228 case XRT_PERF_NOTIFY_LEVEL_NORMAL: return XR_PERF_SETTINGS_NOTIF_LEVEL_NORMAL_EXT;
229 case XRT_PERF_NOTIFY_LEVEL_WARNING: return XR_PERF_SETTINGS_NOTIF_LEVEL_WARNING_EXT;
230 case XRT_PERF_NOTIFY_LEVEL_IMPAIRED: return XR_PERF_SETTINGS_NOTIF_LEVEL_IMPAIRED_EXT;
231 default: assert(false); return 0;
232 }
233}
oxr_space_type
oxr_space_type
Internal enum for the type of space, lets us reason about action spaces.
Definition: oxr_defines.h:104
xrt_input_type
xrt_input_type
Base type of this inputs.
Definition: xrt_defines.h:809
xrt_reference_space_type
xrt_reference_space_type
Type of a OpenXR mapped reference space, maps to the semantic spaces on the xrt_space_overseer struct...
Definition: xrt_defines.h:601
XRT_SPACE_REFERENCE_TYPE_INVALID
#define XRT_SPACE_REFERENCE_TYPE_INVALID
An invalid xrt_reference_space_type, since it's invalid it's not listed in the enum.
Definition: xrt_defines.h:622
xrt_space_relation_flags
xrt_space_relation_flags
Flags of which components of a xrt_space_relation is valid.
Definition: xrt_defines.h:631
XRT_INPUT_TYPE_POSE
@ XRT_INPUT_TYPE_POSE
A tracked pose.
Definition: xrt_defines.h:822
XRT_INPUT_TYPE_VEC2_MINUS_ONE_TO_ONE
@ XRT_INPUT_TYPE_VEC2_MINUS_ONE_TO_ONE
Vec2 input, components in [-1, 1].
Definition: xrt_defines.h:816
XRT_INPUT_TYPE_VEC3_MINUS_ONE_TO_ONE
@ XRT_INPUT_TYPE_VEC3_MINUS_ONE_TO_ONE
Vec3 input, components in [-1, 1].
Definition: xrt_defines.h:818
XRT_INPUT_TYPE_VEC1_MINUS_ONE_TO_ONE
@ XRT_INPUT_TYPE_VEC1_MINUS_ONE_TO_ONE
Float input in [-1, 1].
Definition: xrt_defines.h:814
XRT_INPUT_TYPE_BOOLEAN
@ XRT_INPUT_TYPE_BOOLEAN
Boolean (digital, binary) input.
Definition: xrt_defines.h:820
XRT_INPUT_TYPE_VEC1_ZERO_TO_ONE
@ XRT_INPUT_TYPE_VEC1_ZERO_TO_ONE
Float input in [0, 1].
Definition: xrt_defines.h:812
xrt_defines.h
Common defines and enums for XRT.
xrt_perf_notify_level
xrt_perf_notify_level
Performance level.
Definition: xrt_defines.h:2107
xrt_perf_domain
xrt_perf_domain
Domain type.
Definition: xrt_defines.h:2080
xrt_perf_set_level
xrt_perf_set_level
Performance level.
Definition: xrt_defines.h:2096
xrt_openxr_includes.h
Include all of the openxr headers in one place.
xrt_space.h
Header defining xrt space and space overseer.
xrt_vulkan_includes.h
Include all of the Vulkan headers in one place, and cope with any "messy" includes implied by it.