[Bug 42592] The Witcher 3 has poor performance

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=42592

--- Comment #65 from Shmerl <shtetldik at gmail.com> ---
(In reply to Henri Verbeet from comment #61)
> Well, the wined3d_pool enum no longer exists in current Wine git, so any
> hack based on that will run into issues. If you want to do a hack, I'd
> suggest starting with not setting WINED3D_RESOURCE_ACCESS_CPU in d3d11's
> d3d_buffer_init(), unless "Usage" is D3D11_USAGE_STAGING, in which case you
> don't want WINED3D_RESOURCE_ACCESS_GPU. This is also an area that's
> currently seeing active development though; any hack is likely to get broken
> again relatively soon.

I applied that method above to regular Wine master, setting access mask
WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_MAP in d3d_buffer_init.
Performance is pretty bad, just around 20fps instead of 40 like before.

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