Function cmd_clear_depth_stencil_image 

pub unsafe fn cmd_clear_depth_stencil_image(
    command_buffer: VkCommandBuffer,
    image: VkImage,
    image_layout: VkImageLayout,
    depth_stencil: *const VkClearDepthStencilValue,
    range_count: u32,
    ranges: *const VkImageSubresourceRange,
)

Safety

direct calling ffi functions.