Function gst_ vulkan_ instance_ enable_ layer 
Source pub unsafe extern "C" fn gst_vulkan_instance_enable_layer(
    instance: *mut GstVulkanInstance,
    name: *const c_char,
) -> gbooleanpub unsafe extern "C" fn gst_vulkan_instance_enable_layer(
    instance: *mut GstVulkanInstance,
    name: *const c_char,
) -> gboolean