Re: [PATCH 0/17] MR541: RFC: Shader cache for vkd3d

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about include/vkd3d.h:
> */
>  VKD3D_API void vkd3d_set_log_callback(PFN_vkd3d_log callback);
>
> +/**
> -
> - Creates a new shader cache or opens an existing one.
> -
> -
> -
> - \param name The name of the cache. In case of an on-disk cache, this is a file name. In case of a memory-only
> -
> - cache, opening the same name again in the same process will return the same vkd3d_shader_cache handle.
> -
> - Cache handles are reference counted, so vkd3d_shader_cache_close has to be called for each successful
> -
> - vkd3d_shader_cache_open invocation.

Is it allowed to open the same file more than once in the same process? From different processes? What happens if you use a different name for the same file, e.g. because of a non canonical path, symlinks, hardlinks?