Re: [PATCH v4 0/4] MR156: vkd3d: Use atomic exchange for descriptor writes.

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about libs/vkd3d/vkd3d_private.h:
> struct d3d12_descriptor_heap_vk_set vk_descriptor_sets[VKD3D_SET_INDEX_COUNT];
>      struct vkd3d_mutex vk_sets_mutex;
>
> -    BYTE descriptors[];
> +    BYTE DECLSPEC_ALIGN(8) descriptors[];

Why not `DECLSPEC_ALIGN(sizeof(void*))`, so that we avoid a magic number? Also, the commit message says "pointer aligned", but depending on the architecture 8 is more than a pointer. What is the actual requirement?

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/156#note_30992