[Bug 35776] Crysis is extremely slow in Wine 1.7.14

https://bugs.winehq.org/show_bug.cgi?id=35776

--- Comment #10 from Henri Verbeet  ---
Created attachment 49002
  --> https://bugs.winehq.org/attachment.cgi?id=49002
patch

(In reply to Kol from comment #9)
> The other way to improve the framerate is to restore a structure which
> "wined3d_buffer_map()" has before the commit. If I replace
>     else if (!buffer_is_dirty(buffer))
> by
>     else if (!dirty)
> and insert
>     BOOL dirty = buffer_is_dirty(buffer);
> at the start of "wined3d_buffer_map()", I have 50 FPS again.
> In this case the game runs correctly.

That actually makes sense. So the attached patch fixes this, right?