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LayerSample Banner

Compositor Layer Sample

This sample provides blueprints illustrating the use of VR compositor layers to display a UMG UI widgets.

The app displays two spheres that track with the Touch controllers and two UMG widgets rendered as VR compositor layers. One is rendered as a quad layer and the other as a cylinder layer.

Actor_Blueprint illustrates rendering a widget into a stereo layer. The widget is first rendered into a material, then the SlateUI texture is pulled from the material into the stereo layer. This is the UMG widget that is rendered to the quad and cylindrical layers in the sample.

Open MenuBlueprint to open the UMG widget in the UMG Editor.

NewGameMode and VRCharacter are used to initialize the scene and make the scene display at the appropriate height.

How to Use

Load the project

First, ensure you have Git LFS installed by running this command:

git lfs install

Then, clone this repo using the "Code" button above, or this command:

git clone https://github.com/oculus-samples/Unreal-LayerSample

Launch the project in the Unreal Editor using one of the following options.

Epic Games Launcher with MetaXR plugin

The easiest way to get started is to use the prebuilt Unreal Engine from the Epic Games Launcher, with MetaXR plugin.

  1. Install the Epic Games Launcher
  2. In the launcher, install UE5 (recommended).
  3. Download and install the MetaXR plugin from the Unreal Engine 5 Integration download page.
  4. Launch the Unreal Editor
  5. From "Recent Projects", click "Browse" and select LayerSample.uproject

Meta fork of Epic’s Unreal Engine

The Meta fork of Epic’s Unreal Engine will give you the most up to date integration of Oculus features. However, you must build the editor from its source.

Follow the instructions on Accessing Unreal Engine source code on GitHub to obtain:

  • an Epic account
  • a GitHub account
  • authorization to access the Unreal Engine source repository Disregard instructions on downloading Epic’s Unreal Engine source code as you will be building the Meta fork of Epic’s Unreal Engine source.

Make sure you have Visual Studio installed properly:

  • Launch the Visual Studio Installer and click Modify for the Visual Studio version you want to use.
  • Under the Workloads tab, click Game development with C++ if it isn’t checked and then click Modify.
  1. Download the source code from the Meta fork of Epic’s Unreal Engine on GitHub.
  2. Follow Epic’s instructions on Building Unreal Engine from Source to complete the process.
  3. Launch the Unreal Editor
  4. From "Recent Projects", click "Browse" and select LayerSample.uproject

Depending on your machine, the build may take awhile to complete.

Licenses

The Meta License applies to the SDK and supporting material. The MIT License applies to only certain, clearly marked documents. If an individual file does not indicate which license it is subject to, then the Meta License applies.