1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*************************************************************************/
/* openxr_android_extension.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "openxr_android_extension.h"
#include "java_godot_wrapper.h"
#include "os_android.h"
#include "thread_jandroid.h"
#include <jni.h>
#include <modules/openxr/openxr_api.h>
#include <openxr/openxr.h>
#include <openxr/openxr_platform.h>
OpenXRAndroidExtension *OpenXRAndroidExtension::singleton = nullptr;
OpenXRAndroidExtension *OpenXRAndroidExtension::get_singleton() {
return singleton;
}
OpenXRAndroidExtension::OpenXRAndroidExtension(OpenXRAPI *p_openxr_api) :
OpenXRExtensionWrapper(p_openxr_api) {
singleton = this;
request_extensions[XR_KHR_LOADER_INIT_ANDROID_EXTENSION_NAME] = &loader_init_extension_available;
request_extensions[XR_KHR_ANDROID_CREATE_INSTANCE_EXTENSION_NAME] = &create_instance_extension_available;
}
void OpenXRAndroidExtension::on_before_instance_created() {
if (!loader_init_extension_available) {
print_line("OpenXR: XR_KHR_loader_init_android is not reported as available - trying to initialize anyway...");
}
EXT_INIT_XR_FUNC(xrInitializeLoaderKHR);
JNIEnv *env = get_jni_env();
JavaVM *vm;
env->GetJavaVM(&vm);
jobject activity_object = env->NewGlobalRef(static_cast<OS_Android *>(OS::get_singleton())->get_godot_java()->get_activity());
XrLoaderInitInfoAndroidKHR loader_init_info_android = {
.type = XR_TYPE_LOADER_INIT_INFO_ANDROID_KHR,
.next = nullptr,
.applicationVM = vm,
.applicationContext = activity_object
};
XrResult result = xrInitializeLoaderKHR((const XrLoaderInitInfoBaseHeaderKHR *)&loader_init_info_android);
ERR_FAIL_COND_MSG(XR_FAILED(result), "Failed to call xrInitializeLoaderKHR");
}
// We're keeping the Android create info struct here to avoid including openxr_platform.h in a header, which would break other extensions.
// This is reasonably safe as the struct is only used during intialization and the extension is a singleton.
static XrInstanceCreateInfoAndroidKHR instance_create_info;
void *OpenXRAndroidExtension::set_instance_create_info_and_get_next_pointer(void *p_next_pointer) {
if (!create_instance_extension_available) {
return nullptr;
}
JNIEnv *env = get_jni_env();
JavaVM *vm;
env->GetJavaVM(&vm);
jobject activity_object = env->NewGlobalRef(static_cast<OS_Android *>(OS::get_singleton())->get_godot_java()->get_activity());
instance_create_info = {
.type = XR_TYPE_INSTANCE_CREATE_INFO_ANDROID_KHR,
.next = p_next_pointer,
.applicationVM = vm,
.applicationActivity = activity_object
};
return &instance_create_info;
}
OpenXRAndroidExtension::~OpenXRAndroidExtension() {
singleton = nullptr;
}
|