ONNX Runtime Plugin for Unity

 

Pre-built ONNX Runtime libraries for Unity.

See Examples

https://github.com/asus4/onnxruntime-unity-examples

Yolox-Nano

NanoSAM

Yolo11 Seg

Tested environment

- Unity: 6000.0.43f1 (LTS)
- ONNX Runtime: 1.23.2
- ONNX Runtime Extensions: 0.14.0
- ONNX Runtime GenAI: 0.11.4

$3

#### Execution Providers

Execution Providers are hardware acceleration libraries for each platform. See official docs for more details.

| Platform | CPU | CoreML | NNAPI | CUDA | TensorRT | DirectML | XNNPACK |
| --- | --- | --- | --- | --- | --- | --- | --- |
| macOS | :white_check_mark: | :white_check_mark: | | | | | |
| iOS | :white_check_mark: | :white_check_mark: | | | | | :construction: |
| Android | :white_check_mark: | | :white_check_mark: | | | | :construction: |
| Windows | :white_check_mark: | | | :construction: | :construction: | :white_check_mark: | |
| Linux | :white_check_mark: | | | :construction: | :construction: | | |

#### ONNX Runtime Extensions

ONNX Runtime Extensions are a set of pre/post-processing.

| Platform | Extensions |
| --- | --- |
| macOS | :construction: |
| iOS | :construction: |
| Android | :construction: |
| Windows | :construction: |
| Linux | :construction: |

:white_check_mark: : Supported in Unity Core library
:construction: : Experimental Preview

How to Install

Pre-built libraries are available on NPM. Add the following scopedRegistries and dependencies in Packages/manifest.json.

``json
"scopedRegistries": [
{
"name": "NPM",
"url": "https://registry.npmjs.com",
"scopes": [
"com.github.asus4"
]
}
]
"dependencies": {
"com.github.asus4.onnxruntime": "0.4.4",
"com.github.asus4.onnxruntime.unity": "0.4.4",
"com.github.asus4.onnxruntime-extensions": "0.4.4",
... other dependencies
}
`

$3

- com.github.asus4.onnxruntime : Core library
- CPU provider for all platforms
- GPU provider for iOS, Android, macOS and Windows(only DirectML)
- com.github.asus4.onnxruntime.unity : (Optional) Utilities for Unity
- com.github.asus4.onnxruntime.win-x64-gpu : (Optional) GPU provider for Windows
- com.github.asus4.onnxruntime.linux-x64-gpu : (Optional) GPU provider for Linux
- com.github.asus4.onnxruntime-extensions` : (Optional) ONNX Runtime Extensions

License

Each package is licensed under the MIT License - see the LICENSE file under the package folder for details.