[PATCH v3 0/6] MR5764: win32u: Create bitmaps for window surface pixels.

[Rémi Bernon]

This should help unifying the interface and get rid of the get_info callback.

Later, I think we could create bitmaps over sections shared with some DWM process and/or host compositor.

--
  v3: win32u: Create a HBITMAP backing the window surface pixels.
      winex11: Create a HBITMAP for the allocated surface pixels.
      winex11: Create XImage before initializing the window surface.
      winex11: Simplify the XSHM extension function calls.
      win32u: Pass BITMAPINFO and a HBITMAP to window_surface_init.
      win32u: Move the window surface color bits to the common struct.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/5764