# GPU_BUFFER_USAGE_COPY_SRC

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

Buffer usage bit for copy source.

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

[language/library/src/gpu/binding/resource.ds:82](https://github.com/destack-sh/destack/blob/main/language/library/src/gpu/binding/resource.ds#L82)