# GPU_BUFFER_USAGE_BLAS_INPUT

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

Buffer usage bit for bottom-level acceleration-structure input.

```ds title="GPU_BUFFER_USAGE_BLAS_INPUT"
const GPU_BUFFER_USAGE_BLAS_INPUT: GpuBufferUsage
```

[language/library/src/gpu/binding/resource.ds:98](https://github.com/destack-sh/destack/blob/main/language/library/src/gpu/binding/resource.ds#L98)