Upcoming Qt switch to OpenGL ES on arm64

[Lisandro Damián Nicanor Pérez Meyer]

El jueves, 22 de noviembre de 2018 15:37:29 -03 Dmitry Shachnev escribió:
> Hi all!
> 
> The Qt framework can be built either with “desktop” OpenGL, or with OpenGL
> ES support. At the moment we are building it with OpenGL ES on armel and
> armhf, and with desktop OpenGL on all other architectures.

Maybe we missed to properly explain the main point of this change: currently 
most arm64 boards are using software rasterization because their video cards 
do not support Desktop OpenGL. If we switch to GLES then most amr64 boards 
will be able to render using their video hardware, thus greatly improving 
speed to the point of being actually usable for some stuff.

I imagine (but would *love* hard data) that any PCI video card added to an 
arm64 machine will probably also support GLES, so they will still have use.

But one thing is for sure: it's not a decision in which everyone wins, so we 
are trying to make a decision on which *most* of our users wins.  


-- 
When the winds of change are blowing, some people are building shelters, and
others are building windmills.
  Old Chinese Proverb

Lisandro Damián Nicanor Pérez Meyer
http://perezmeyer.com.ar/
http://perezmeyer.blogspot.com/
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