[Nix-dev] Two libGL installed at the same time

[Bruno d'Arcangeli]

Hi all,

I'm new to NixOS. Actually, i'm testing it with VirtualBox. Appear to be
really great.

I've got a "gamer" laptop with optimus. I don't want to use bumblebee as
it is very slow.

I use mainly the nvidia gpu. My main software is Blender. But when i
render final image, i really prefer to use the Intel gpu (CPU is Skylake
6700HQ Core-i7) and keep blender in background (cycles with CUDA).
On Arch, i can't install two libGL (one for nvidia and one for intel).
But it is possible with gentoo (with eselect opengl set x).
Is it possible with nixos?
For info, i never use any DM, only awesome launched with startx. On
gentoo, i need to exit from awesome, change the opengl provider and the
xorg.conf file ans startx again.
It's the last thing that may or may not permit me to install nixos as
main os.

Thanks beforehand,
Bruno

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