static void virtio_gpu_resource_create_2d(VirtIOGPU *g,
                                          struct virtio_gpu_ctrl_command *cmd)
{
    pixman_format_code_t pformat;
    struct virtio_gpu_simple_resource *res;
    struct virtio_gpu_resource_create_2d c2d;

    VIRTIO_GPU_FILL_CMD(c2d);
    trace_virtio_gpu_cmd_res_create_2d(c2d.resource_id, c2d.format,
                                       c2d.width, c2d.height);

    if (c2d.resource_id == 0) {
        qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
                      __func__);
        cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
        return;
    }

    res = virtio_gpu_find_resource(g, c2d.resource_id);
    if (res) {
        qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n",
                      __func__, c2d.resource_id);
        cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
        return;
    }

    res = g_new0(struct virtio_gpu_simple_resource, 1);

    res->width = c2d.width;
    res->height = c2d.height;
    res->format = c2d.format;
    res->resource_id = c2d.resource_id;

    pformat = get_pixman_format(c2d.format);
    if (!pformat) {
        qemu_log_mask(LOG_GUEST_ERROR,
                      "%s: host couldn't handle guest format %d\n",
                      __func__, c2d.format);
        g_free(res);
        cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER;
        return;
    }

    res->hostmem = PIXMAN_FORMAT_BPP(pformat) * c2d.width * c2d.height;
    if (res->hostmem + g->hostmem < g->conf.max_hostmem) {
        res->image = pixman_image_create_bits(pformat,
                                              c2d.width,
                                              c2d.height,
                                              NULL, 0);
    }

    if (!res->image) {
        qemu_log_mask(LOG_GUEST_ERROR,
                      "%s: resource creation failed %d %d %d\n",
                      __func__, c2d.resource_id, c2d.width, c2d.height);
        g_free(res);
        cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
        return;
    }

    QTAILQ_INSERT_HEAD(&g->reslist, res, next);
    g->hostmem += res->hostmem;
}

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.