Re: [PATCH v3 0/2] MR292: vkd3d: Write Vulkan descriptors in a worker thread.

[Conor McCarthy (＠cmccarthy)]

On Sat Aug 19 08:17:56 2023 +0000, Giovanni Mascellani wrote:
> I'll leave to Henri to decide what's best here, but I still think that
> having one thread per device should be easily doable and avoid wasting
> resources if an application, for some reason, creates a lot of heaps.
> Apparently neither us nor native implementations really enforce which
> heap descriptors come from, so it could still be that some application
> creates many heaps each with just a few descriptors.

We enforce one per heap type; see `d3d12_command_list_bind_descriptor_table()`. It's true this doesn't prevent an app from creating many heaps and using them in consecutive draw calls or multiple command lists. Changing heap bindings can impose a pretty big performance cost though.