Yes, and according to this openGL link
version 4.2 is needed and my app echoes that
version 2.1 is employed.
https://docs.gl/gl4/glGetFramebufferParameter

On Sun, May 2, 2021 at 12:23 PM Raul Miller <[email protected]> wrote:

> Yes... "retina" basically means that pixel units are doubled (or
> halved, depending on how you look at it -- total number of pixels or
> size of each pixel) in each direction (or, for the iphone 6,
> tripled/thirded).
>
> I am not sure how to detect the retina scale factor from within J.
>
> Take care,
>
>
> --
> Raul
>
> --
(B=)
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to