Matthew Waters 6e591403a7 glimagesink: make multiview none equivalent to mono
Fixes the internal viewconvert to not scale buffers for output with the
following pipeline:

gltestsrc ! glimagesink

It also fixes overlay composition with a resized output with an OpenGL
upstream:

gltestsrc ! timeoverlay ! glimagesink
2018-10-05 00:48:58 +10:00
..
2017-12-19 12:01:48 +00:00
2018-08-16 11:35:33 +01:00