Not too many 3D calls if any, I think except explicitely 3D
applications.
I have successfully used TDE on Asus A2500L with SiS graphics chip
which under Linux does not offer 3D acceleration at all, only 2D.
MCbx

On Sat, 05 May 2018 16:32:09 -0400
dep <dep@...> wrote:

> the gemini device (keyboard, 4G, supporting android/linux dual boot,
> mediatek x27 SoC) is shipping. there's a debian rom for it, but it is
> very early days and the unaccelerated video is a real problem. it is
> still my hope to give tde a spin on it, and apparently if 3D isn't
> used it's quick enough to be nearly usable. am wondering the extent
> to which tdm and tde needs 3D support. if it's none at all or very
> little, i might try to install it from the debiam arm repos when mine
> arrives monday (after rooting it and installing the stretch rom).
> 
> anybody here know?