Function cmd_bind_descriptor_sets 

pub unsafe fn cmd_bind_descriptor_sets(
    command_buffer: VkCommandBuffer,
    pipeline_bind_point: VkPipelineBindPoint,
    layout: VkPipelineLayout,
    first_set: u32,
    descriptor_set_count: u32,
    descriptor_sets: *const VkDescriptorSet,
    dynamic_offset_count: u32,
    dynamic_offsets: *const u32,
)

Safety

direct calling ffi functions.