Upcoming Qt switch to OpenGL ES on arm64

[Wookey]

On 2018-11-23 23:10 -0300, Lisandro Damián Nicanor Pérez Meyer wrote:
> El viernes, 23 de noviembre de 2018 12:26:49 -03 Wookey escribió:
> > 
> > My main desktop is now an arm64 machine with an nvidia PCI graphics
> > card. These are fairly new (and currently expensive), but I have
> > reason to believe there is more of this sort of thing coming, and
> > laptop-format machines.
> 
> Well, that's at very least an interesting data point. So yes, they exist, but 
> they are new and expensive. Can I assume that this means most of our arm64 
> users do not yet get to them?

Not yet, no although I think you can just buy one (Gigabyte
ThunderXstation) now. But Machiato-bin exists with working PCI and you
can buy one
(https://wiki.debian.org/InstallingDebianOn/Marvell/MACCHIATOBin), and
nvidia-based hardware is available and supports GL (Jetson TX1)
(https://wiki.debian.org/InstallingDebianOn/NVIDIA/Jetson-TX1). There
is more hardware coming which will support GL, so it is definately not
as simple as 'available hardware is all GLES'. (Perhaps someone has
made a list in this long thread).

> > I recall Linaro doing some work on this back
> > when it started (to make it easier to switch between GL and
> > GLES). Possibly that work never actually got done, just talked out.
> 
> It would really help, indeed.

OK. It seems that this project was started, but not completed due to a
lack of interest at the time (2012) (people just started using GLES on
dev boards/phones). It's here: https://code.launchpad.net/glproxy
And here is the spec: https://wiki.linaro.org/WorkingGroups/Middleware/Graphics/Specs/1105/GLProxy

Perhaps it is worth resurrecting this project if it would let us
acheive the nirvana of runtime selection between GL and GLES, thus
making everyone happy.

Jammy Zhou <jammy.zhou at linaro.org> cc:ed can say how much was/wasn't done.

Wookey
-- 
Principal hats:  Linaro, Debian, Wookware, ARM
http://wookware.org/
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