Function virtio_gpu_set_scanout

components/drivers/virtio/virtio_gpu.c:251–275

}

static rt_err_t virtio_gpu_set_scanout(struct virtio_gpu_device *virtio_gpu_dev, rt_uint32_t scanout_id,
        rt_uint32_t resource_id, rt_uint32_t width, rt_uint32_t height)
{
    struct virtio_gpu_ctrl_hdr res;
    struct virtio_gpu_set_scanout req;

    rt_memset(&req, 0, sizeof(req));

    req.hdr.type = VIRTIO_GPU_CMD_SET_SCANOUT;
    req.r.x = 0;
    req.r.y = 0;
    req.r.width = width;
    req.r.height = height;
    req.scanout_id = scanout_id;
    req.resource_id = resource_id;

    virtio_gpu_ctrl_send_command(virtio_gpu_dev, &req, sizeof(req), &res, sizeof(res));

    if (res.type == VIRTIO_GPU_RESP_OK_NODATA)
    {
        return RT_EOK;
    }

    return -RT_ERROR;
}

static rt_err_t virtio_gpu_flush_resource(struct virtio_gpu_device *virtio_gpu_dev, rt_uint32_t resource_id,
        rt_uint32_t x, rt_uint32_t y, rt_uint32_t width, rt_uint32_t height)