#version 310 es precision mediump float; struct SSBO { mat2 m; }; layout (binding = 0) buffer SSBO_1 { mat2 m; } ssbo; layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; void f() { mat2 v = ssbo.m; ssbo.m = v; return; } void main() { f(); }