android_openxr_gles

VR sample applications on Android NDK using OpenXR + OpenGLES. (especially for Meta Quest2)

1. Applications

gl2gridOXR

• display the grid mesh.
  

gl2triOXR

• Just a triangle without parallax.
  

gl2tri3dOXR

• Just a triangle in 3D space with parallax.
  

gl2teapotOXR

• draw a teapot 3D model.
  

gl2imguiOXR

• draw UI Layer using ImGui.
  

gl2hittestOXR

• invoke the hand controller ray intersection test and draw a free curve.
  

gl2soundboardOXR

• play sounds using the oboe library.
  

2. How to Build & Run

2.1 Initial settings.

$ mkdir ~/work
$ git clone https://github.com/terryky/android_openxr_gles.git
$ cd android_openxr_gles
$ ./initial_setup.sh

2.2 Build Android Applications

• Download and install Android Studio.
• Start Android Studio.

$ cd ${ANDROID_STUDIO_INSTALL_DIR}/android-studio/bin/
$ ./studio.sh

• Open application folder (eg. ~/work/android_openxr_gles/gl2teapotOXR).
• Build and Run.

3. Tested Environment

	Host PC	Target Device
ARCH	x86_64	Meta Quest2 (arm64-v8a)
OS	Ubuntu 20.04.3 LTS	Android (API Level 30)
SDK	Android NDK r21.4.7075529	Runtime 38.0.0.82.728
	Android Studio 2021.1.1.23-linux

4. Acknowledgements

• https://github.com/daj/OculusHelloXR