** Changed in: canonical-devices-system-image
Status: Fix Committed => Fix Released
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[enhancement] Add support for full OpenGL compositing
Status in Canonical System Image:
Status in Mir:
Status in mir package in Ubuntu:
[enhancement] Add support for full OpenGL compositing.
libmirserver/platform presently is only compiled to use the "ES"
subset of OpenGL. This works for mobile devices and many desktop use
cases but not all.
There are a few pending reasons to compile for full OpenGL on desktop
(and/or switch at runtime!):
1. Qt only understands full OpenGL on desktop. Presently we use a hack
that makes it call ES functions pretending to be full OpenGL, but this
hack will fail when we support non-Mesa desktop drivers.
2. Proprietary desktop drivers sometimes don't support ES.
3. Proprietary desktop drivers often (last I checked) perform better
with full OpenGL. Not sure why, probably just driver maturity.
4. There is evidence (bug 1420574) that ES doesn't work at all on some
older chipsets and regular OpenGL is required.
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