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Hololens Emulator：虚幻引擎应用程序完全黑，但 Win64 可以工作

[英]Hololens Emulator: Unreal Engine app completely black, though Win64 works

原文 2021-03-15 20:44:50 7 2 unreal-engine4/ hololens/ hololens-emulator

I have taken the "default game" (tables and chairs) of Unreal Engine 4.26, and packaged it for the Hololens emulator using these instructions .我采用了 Unreal Engine 4.26 的“默认游戏”（桌椅），并使用这些说明将其打包用于 Hololens 模拟器。

I can launch the latest Hololens emulator (10.0.19041.1136) and install the Unreal application, and an icon shows up for it in the apps panel.我可以启动最新的 Hololens 模拟器 (10.0.19041.1136) 并安装 Unreal 应用程序，然后应用程序面板中会显示一个图标。 But when I launch the app, the entire screen is black.但是当我启动应用程序时，整个屏幕都是黑色的。 When packaging the application for Windows (64 bit), the application works just fine.打包 Windows（64 位）的应用程序时，应用程序运行良好。

What could be the issue?可能是什么问题？ Older versions of Unreal Engine work fine, in particular I have verified that Unreal Engine version 4.25 works with the emulator.旧版本的虚幻引擎工作正常，特别是我已经验证虚幻引擎版本 4.25 可以与模拟器一起使用。

Other perhaps relevant info: Intel Core i7-5960X, Windows 10 version 1909 build 18363.1440, NVIDIA GeForce RTX 2080 Ti, Version 456.71.其他可能相关的信息：Intel Core i7-5960X、Windows 10 版本 1909 build 18363.1440、NVIDIA GeForce RTX 2080 Ti、版本 456.71。

I have also used the Unreal 4.26-chaos engine, completely fresh.我也用过Unreal 4.26-chaos引擎，完全新鲜。 I choose a blank project from the Games category, C++, Scalable 2D or 3D, raytracing disabled, mobile/tablet with starter content.我从 Games 类别中选择了一个空白项目，C++，Scalable 2D 或 3D，光线追踪已禁用，带有入门内容的手机/平板电脑。 Then add the Microsoft Windows Mixed reality plugin and the Hololens plugin.然后添加 Microsoft Windows 混合现实插件和 Hololens 插件。 In settings I get a signing certificate and define a project name, using Windows SDK version 10.0.18362.在设置中，我使用 Windows SDK 版本 10.0.18362 获得签名证书并定义项目名称。 Again, no joy.再一次，没有喜悦。 The same thing, just as a Blueprint, not a C++ project, also does not work.同样的东西，只是作为蓝图，而不是 C++ 项目，也不起作用。

Also checked Hololens emulator version 10.0.19041.1117.还检查了 Hololens 模拟器版本 10.0.19041.1117。 No joy.没有喜悦。

2 个解决方案

We followed all the steps exactly per docs including the “run in VR mode setting” in packaging and reproduced this issue today.我们完全按照文档执行了所有步骤，包括包装中的“在 VR 模式下运行设置”，并在今天重现了这个问题。

So, we are going to recommend to you to file a defect over with UE 4.26 via Unreal Engine Support |因此，我们将建议您通过虚幻引擎支持提交 UE 4.26 的缺陷 | Get Help and Customer Service for UE - Unreal Engine .获取 UE-Unreal Engine 的帮助和客户服务。 Besides, you can also open a support case via http://aka.ms/hololenssupport for free to discuss further too on anything we can offer for HoloLens 2 emulator/device:此外，您还可以通过http://aka.ms/hololenssupport免费打开支持案例，进一步讨论我们可以为 HoloLens 2 模拟器/设备提供的任何内容：

The issue in the Epic's article. Epic 文章中的问题。 You should enable the "start in VR" option in Project > Description > Settings as from您应该在“项目”>“描述”>“设置”中启用“从 VR 开始”选项

https://docs.microsoft.com/en-gb/windows/mixed-reality/develop/unreal/tutorials/unreal-uxt-ch6 https://docs.microsoft.com/en-gb/windows/mixed-reality/develop/unreal/tutorials/unreal-uxt-ch6

It was added in 4.26.它是在 4.26 中添加的。

And we don't support Unreal 4.26- chaos yet.而且我们还不支持 Unreal 4.26- chaos 。 Please take simple 4.26.请取简单的4.26。