[PATCH v2 0/2] MR6998: winex11: Skip offscreening if the children don't require clipping.

[Rémi Bernon]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57503

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  v2: winex11: Skip offscreening if the children don't require clipping.
      winex11: Always check if the GL drawable offscreen state needs to be changed.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6998