Merge remote-tracking branch 'remotes/kraxel/tags/egl-20211105-pull-request' into...

gtk: a collection of egl fixes.

# gpg: Signature made Fri 05 Nov 2021 07:30:21 AM EDT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]

* remotes/kraxel/tags/egl-20211105-pull-request:
  ui/gtk-egl: blitting partial guest fb to the proper scanout surface
  ui/gtk: gd_draw_event returns FALSE when no cairo surface is bound
  ui/gtk-egl: guest fb texture needs to be regenerated when reinitializing egl
  ui/gtk-egl: make sure the right context is set as the current
  ui/gtk-egl: un-tab and re-tab should destroy egl surface and context
  virtio-gpu: splitting one extended mode guest fb into n-scanouts

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>