register_uniform_float("num_loops", &uniform_num_loops);
register_uniform_float("slice_height", &uniform_slice_height);
register_uniform_float("sample_x_scale", &uniform_sample_x_scale);
register_uniform_float("num_loops", &uniform_num_loops);
register_uniform_float("slice_height", &uniform_slice_height);
register_uniform_float("sample_x_scale", &uniform_sample_x_scale);