That is correct, SSBO are currently not available in geometry stages. Here is the commit in Mesa with the explanation of the current status. commit d23b47fda57f63607a134f0ae31397c4ff983ec1 Author: Eric Anholt <eric@anholt.net> Date: Mon Apr 22 11:24:55 2019 -0700 v3d: Disable SSBOs and atomic counte...

Hi heretique, We have been aware of these issues until recently, I would recommend you to report them at Mesa Gitlab at https://gitlab.freedesktop.org/mesa/mesa so the driver developers get aware of them soon :) I've been checking the PowerVR SDK demos. Raspberry Pi 4, Mesa 19.3.2, GLES 3.1 Compute ...