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# SCNRenderingAPI

Options for choosing the graphics technology for an [`SCNView`](/documentation/SceneKit/SCNView) object (or other SceneKit renderer) to use for drawing its contents. Used by the [`renderingAPI`](/documentation/SceneKit/SCNSceneRenderer/renderingAPI) property and the [`preferredRenderingAPI`](/documentation/SceneKit/SCNView/Option/preferredRenderingAPI) option when initializing an [`SCNView`](/documentation/SceneKit/SCNView) object.

```
enum SCNRenderingAPI
```

## Topics

### Constants

[`SCNRenderingAPIMetal`](/documentation/SceneKit/SCNRenderingAPI/metal)

Use the Metal framework for SceneKit rendering.

[`SCNRenderingAPIOpenGLES2`](/documentation/SceneKit/SCNRenderingAPI/openGLES2)

Use the OpenGL ES 2.0 API for SceneKit rendering in iOS.

[`SCNRenderingAPIOpenGLLegacy`](/documentation/SceneKit/SCNRenderingAPI/openGLLegacy)

Use the Legacy OpenGL API for SceneKit rendering in macOS.

[`SCNRenderingAPIOpenGLCore32`](/documentation/SceneKit/SCNRenderingAPI/openGLCore32)

Use the OpenGL 3.2 Core Profile API for SceneKit rendering in macOS.

[`SCNRenderingAPIOpenGLCore41`](/documentation/SceneKit/SCNRenderingAPI/openGLCore41)

Use the OpenGL 4.1 Core Profile API for SceneKit rendering in macOS.

## Relationships

### Conforms To

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

---

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