[PATCH v2 0/3] MR495: wined3d: Do not try to unmap already unmapped BOs.

[Zebediah Figura (＠zfigura)]

This will silently succeed, and incorrectly unmap chunks which are still in use.

v2: Add bug link.

--
  v2: wined3d: Assert that the BO is mapped in unmap functions.
      wined3d: Do not try to unmap already unmapped BOs in wined3d_texture_update_sub_resource().
      wined3d: Do not try to unmap already unmapped BOs in wined3d_buffer_update_sub_resource().

https://gitlab.winehq.org/wine/wine/-/merge_requests/495