Merge branch 'another-attempt-to-fix-shadertoy' into 'master'
authorMatthias Clasen <mclasen@redhat.com>
Mon, 28 Sep 2020 16:16:51 +0000 (16:16 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Mon, 28 Sep 2020 16:16:51 +0000 (16:16 +0000)
Flip GLArea textures

See merge request GNOME/gtk!2634


Trivial merge