#version 310 es void tint_symbol() { mat3 m = mat3(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f), vec3(7.0f, 8.0f, 9.0f)); m[1] = vec3(5.0f); } layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; void main() { tint_symbol(); return; }