Re: [PATCH v5 0/3] MR1502: winevulkan: wow64 memory mapping using VK_EXT_external_memory_host

[Zebediah Figura (＠zfigura)]

On Thu Dec  1 17:38:25 2022 +0000, Jacek Caban wrote:
> I noticed that we should be fine and avoid spec violation by simply
> always declaring images and buffer as external host pointer compatible.
> Spec says that it means they may (not must) be used as a backing store.
> It's a bit weird and sub-optimal to do that and then bind them to device
> local only memory, but AFAICS it's not prohibited anywhere and fine with
> the spec.

I thought about suggesting this, but I thought it might end up either restricting memory requirements so as to make resources unusable, or else killing performance. Then again, thinking about it, if breaking the spec as the original version works (at least sometimes?) then maybe those aren't concerns.