Question regarding OpenGL 2.1 support and Xorg

[Lucas Stach]

Am Dienstag, den 31.10.2017, 09:43 +0000 schrieb Luís Mendes:
> Hi,
> 
> I've read that Open GL 2.1 support is available through latest
> patches for mesa etnaviv:
> [PATCH] etnaviv: add ext_texture_srgb support
> https://lists.freedesktop.org/archives/etnaviv/2017-October/001193.ht
> ml
> 
> Could this mean that it is possible to run Xorg without the xf86-
> video-armada driver?
> It wouldn't make use of the GC320 unit, but it could allow another
> option for running X.
> 
> Currently the problem seems just to be that etnaviv doesn't support
> openGL 2.1 causing glamor to fail with:
> [    41.867] Require OpenGL version 2.1 or later.
> [    41.867] (EE) modeset(0): Failed to initialize glamor at
> ScreenInit() time.
> 
> as detailed in the log below.
> Or I am getting something wrong?

I don't know if anyone has tested glamor on our GL stack, but in any
case it will be horribly slow with the big GPUs like GC2000, which
can't texture from their own render format.

You may try it, but I doubt it will be any faster than the armada
driver, which is really good at accelerating a lot of the X operations
via the 2D GPU.

Regards,
Lucas