Re: Stupid question about QT6 and OpenGL support

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On Sat, Dec 3, 2022 at 9:25 AM Mattia Verga via devel
<devel@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> While in the process of updating celestia package to the latest
> snapshot, I was trying to build it with qt interface and opengl_ES for
> rendering. But looking at the build logs of qt6-qtbase:
> OpenGL:
>      Desktop OpenGL ....................... yes
>      OpenGL ES 2.0 ........................ no
>      OpenGL ES 3.0 ........................ no
>      OpenGL ES 3.1 ........................ no
>      OpenGL ES 3.2 ........................ no
>
> it doesn't seem that qt6-qtbase is built with OpenGL_ES support.
> Is it something it can be easily enabled, so that I can, perhaps, use
> openGL_ES rendering on aarch64 for celestia? Or there's no advantage to
> have both Desktop and ES support? Can I expect any performance
> improvement on aarch64 by using ES? (I don't have any raspberry or other
> device for testing)
>

As far as I know, Qt can only be built with one mode or another. So
it's a mutually exclusive choice. Also, it looks like we don't have
the GLES libraries from Mesa at all to even make that choice. :(



-- 
真実はいつも一つ!/ Always, there's only one truth!
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