renderer.clear(0);
renderer.set_texture("source", &src, &nearest_sampler);
renderer.set_texture("blurred", &target[1]->get_target_texture(COLOR_ATTACHMENT), &linear_sampler);
renderer.clear(0);
renderer.set_texture("source", &src, &nearest_sampler);
renderer.set_texture("blurred", &target[1]->get_target_texture(COLOR_ATTACHMENT), &linear_sampler);