# GpuExternalTextureTransferFunction

`import { GpuExternalTextureTransferFunction } from "destack:gpu/binding";`

External-texture transfer-function parameters.

```ds title="GpuExternalTextureTransferFunction"
export struct GpuExternalTextureTransferFunction {
    a: float32;
    b: float32;
    g: float32;
    k: float32;
}
```

[language/library/src/gpu/binding/resource.ds:663:672](https://github.com/destack-sh/destack/blob/main/language/library/src/gpu/binding/resource.ds#L663-L672)

## Members

### `a: float32`

Transfer-function coefficient a.

### `b: float32`

Transfer-function breakpoint b.

### `g: float32`

Transfer-function exponent g.

### `k: float32`

Transfer-function coefficient k.