dan <i@dan.games> skriver:

> * gnu/packages/vulkan.scm (volk): New variable.

[...]

> +(define-public volk
> +  (package
> +    (name "volk")
> +    (version %vulkan-sdk-version)
> +    (source (origin
> +              (method git-fetch)
> +              (uri (git-reference
> +                    (url
> +                     "https://github.com/zeux/volk")
> +                    (commit version)))
> +              (file-name (git-file-name name version))
> +              (sha256
> +               (base32
> +                "0xaw3kg754mknx8lfj1p74a9npjfvdvlpicvn0hla4495zpc10rq"))))
> +    (build-system cmake-build-system)
> +    (arguments
> +     `(#:tests? #f     ; no test
> +       #:configure-flags (list "-DVOLK_INSTALL=ON"
> +                               "-DVOLK_PULL_IN_VULKAN=ON")))

I ran this through 'guix style' ...

> +    (inputs
> +     (list vulkan-headers))
> +    (synopsis "Meta loader for Vulkan API")
> +    (description
> +     "volk is a meta-loader for Vulkan. It allows you to dynamically load
> +entrypoints required to use Vulkan without linking to vulkan-1.dll or
> +statically linking Vulkan loader. Additionally, volk simplifies the use of
> +Vulkan extensions by automatically loading all associated
> +entrypoints. Finally, volk enables loading Vulkan entrypoints directly from
> +the driver which can increase performance by skipping loader dispatch
> +overhead.")

... and simplified the description somewhat, + added two spaces after
sentences ('guix lint' should warn about this).