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// Copyright (c) 2017-2024, The Khronos Group Inc.
// Copyright (c) 2017-2019 Valve Corporation
// Copyright (c) 2017-2019 LunarG, Inc.
//
// SPDX-License-Identifier: Apache-2.0 OR MIT
//
// Initial Author: Mark Young <marky@lunarg.com>
//
#include "loader_init_data.hpp"
#ifdef XR_KHR_LOADER_INIT_SUPPORT
// Check and copy the Android-specific init data.
XrResult LoaderInitData::initialize(const XrLoaderInitInfoBaseHeaderKHR* info) {
#if defined(XR_USE_PLATFORM_ANDROID)
if (info->type != XR_TYPE_LOADER_INIT_INFO_ANDROID_KHR) {
return XR_ERROR_VALIDATION_FAILURE;
}
auto cast_info = reinterpret_cast<XrLoaderInitInfoAndroidKHR const*>(info);
if (cast_info->applicationVM == nullptr) {
return XR_ERROR_VALIDATION_FAILURE;
}
if (cast_info->applicationContext == nullptr) {
return XR_ERROR_VALIDATION_FAILURE;
}
// Copy and store the JVM pointer and Android Context, ensuring the JVM is initialised.
_data = *cast_info;
_data.next = nullptr;
jni::init(static_cast<jni::JavaVM*>(_data.applicationVM));
const jni::Object context = jni::Object{static_cast<jni::jobject>(_data.applicationContext)};
// Retrieve a reference to the Android AssetManager.
const auto assetManager = context.call<jni::Object>("getAssets()Landroid/content/res/AssetManager;");
_android_asset_manager = AAssetManager_fromJava(jni::env(), assetManager.getHandle());
// Retrieve the path to the native libraries.
const auto applicationContext = context.call<jni::Object>("getApplicationContext()Landroid/content/Context;");
const auto applicationInfo = context.call<jni::Object>("getApplicationInfo()Landroid/content/pm/ApplicationInfo;");
_native_library_path = applicationInfo.get<std::string>("nativeLibraryDir");
#else
#error "Platform specific XR_KHR_loader_init structure is not defined for this platform."
#endif // XR_USE_PLATFORM_ANDROID
_initialized = true;
return XR_SUCCESS;
}
XrResult InitializeLoaderInitData(const XrLoaderInitInfoBaseHeaderKHR* loaderInitInfo) {
return LoaderInitData::instance().initialize(loaderInitInfo);
}
#ifdef XR_USE_PLATFORM_ANDROID
std::string GetAndroidNativeLibraryDir() { return LoaderInitData::instance()._native_library_path; }
void* Android_Get_Asset_Manager() { return LoaderInitData::instance()._android_asset_manager; }
#endif // XR_USE_PLATFORM_ANDROID
#endif // XR_KHR_LOADER_INIT_SUPPORT
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