pub type PFN_vkCmdSetDepthClampRangeEXT = unsafe extern "system" fn(_command_buffer: CommandBuffer, _depth_clamp_mode: DepthClampModeEXT, _depth_clamp_range: *const DepthClampRangeEXT);pub type PFN_vkCmdSetDepthClampRangeEXT = unsafe extern "system" fn(_command_buffer: CommandBuffer, _depth_clamp_mode: DepthClampModeEXT, _depth_clamp_range: *const DepthClampRangeEXT);