d5445c25a6
This change implements dynamic loading of the OpenXR Loader library on Android. If an OpenXR Loader library is not found, Godot will still function with OpenXR disabled. Also, on every platform, the OpenXR symbols are resolved at runtime using xrGetInstanceProcAddr. On Windows and Linux the OpenXR loader is included in the main engine binary. On Android, the OpenXR Loader is not built with the engine. Separately distributed Android plugins will be provided with the correct loader library for each device. Co-authored-by: Gábor Pál Korom <gabor.p.korom@migeran.com> Co-authored-by: Gábor Koncz <gabor.koncz@migeran.com>
73 lines
3.5 KiB
C++
73 lines
3.5 KiB
C++
/*************************************************************************/
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/* openxr_android_extension.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "openxr_android_extension.h"
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#include "java_godot_wrapper.h"
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#include "os_android.h"
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#include "thread_jandroid.h"
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#include <jni.h>
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#include <modules/openxr/openxr_api.h>
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#include <openxr/openxr.h>
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#include <openxr/openxr_platform.h>
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OpenXRAndroidExtension *OpenXRAndroidExtension::singleton = nullptr;
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OpenXRAndroidExtension *OpenXRAndroidExtension::get_singleton() {
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return singleton;
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}
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OpenXRAndroidExtension::OpenXRAndroidExtension(OpenXRAPI *p_openxr_api) :
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OpenXRExtensionWrapper(p_openxr_api) {
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singleton = this;
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request_extensions[XR_KHR_ANDROID_THREAD_SETTINGS_EXTENSION_NAME] = nullptr; // must be available
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}
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void OpenXRAndroidExtension::on_before_instance_created() {
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EXT_INIT_XR_FUNC(xrInitializeLoaderKHR);
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JNIEnv *env = get_jni_env();
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JavaVM *vm;
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env->GetJavaVM(&vm);
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jobject activity_object = env->NewGlobalRef(static_cast<OS_Android *>(OS::get_singleton())->get_godot_java()->get_activity());
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XrLoaderInitInfoAndroidKHR loader_init_info_android = {
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.type = XR_TYPE_LOADER_INIT_INFO_ANDROID_KHR,
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.next = nullptr,
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.applicationVM = vm,
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.applicationContext = activity_object
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};
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XrResult result = xrInitializeLoaderKHR((const XrLoaderInitInfoBaseHeaderKHR *)&loader_init_info_android);
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ERR_FAIL_COND_MSG(XR_FAILED(result), "Failed to call xrInitializeLoaderKHR");
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}
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OpenXRAndroidExtension::~OpenXRAndroidExtension() {
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singleton = nullptr;
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}
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