set_uniform_float(glsl_program_num, prefix, "round_fac", round_fac);
set_uniform_float(glsl_program_num, prefix, "inv_round_fac", 1.0f / round_fac);
}
set_uniform_float(glsl_program_num, prefix, "round_fac", round_fac);
set_uniform_float(glsl_program_num, prefix, "inv_round_fac", 1.0f / round_fac);
}