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# setTriangleFillMode(_:)

Configures how subsequent draw commands rasterize triangle and triangle strip primitives.

```
func setTriangleFillMode(_ fillMode: MTLTriangleFillMode)
```

## Parameters

`fillMode`

A triangle filling mode the render pass applies to draw commands that rasterize triangles or triangle strips.

## Discussion

The render pass’s default mode is [`MTLTriangleFillMode.fill`](/documentation/Metal/MTLTriangleFillMode/fill).

---

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