[PATCH v2 0/5] MR8291: winex11: Drop pixmap-based child window workaround.

[Rémi Bernon (＠rbernon)]

Updating the GL drawables on/offscreen dynamically, similarly to how we do it for Vulkan, and in order to ultimately converge and factor both GL and VK client surfaces.

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  v2: winex11: Rename context drawables to draw / read.
      winex11: Drop pixmap-based child window workaround.
      winex11: Update drawable size and offscreen when presenting.
      winex11: Update every window GL drawable on resize / reparent.
      winex11: Update GL drawable offscreen status instead of recreating.

https://gitlab.winehq.org/wine/wine/-/merge_requests/8291