[PATCH v2 0/4] MR8958: win32u: Fixes for the OpenGL drawables mess.

[Rémi Bernon (＠rbernon)]

--
  v2: win32u: Don't store the window OpenGL drawables on the DCs.
      win32u: Keep a separate pointer for unused opengl drawable.
      win32u: Rename window opengl drawable to current_drawable.
      win32u: Introduce an context_exchange_drawables helper.

https://gitlab.winehq.org/wine/wine/-/merge_requests/8958