x11: Remove the dummy surface
authorBenjamin Otte <otte@redhat.com>
Sun, 13 Jun 2021 21:35:06 +0000 (23:35 +0200)
committerBenjamin Otte <otte@redhat.com>
Thu, 22 Jul 2021 14:06:06 +0000 (16:06 +0200)
commit04c2093d5cc942c1577775e430163e4409d163aa
tree70f0738e1145aea3e88d7776afc3a4e56e7a508d
parentccd5992a83348701e45612eac3536996684a76cb
x11: Remove the dummy surface

Instead, use the display's "leader surface" when no surface is required,
because we have it lying around.

Really, we want to use EGL_NO_SURFACE, but if that's not supported...
gdk/x11/gdkglcontext-egl.c