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#![allow(dead_code)] use prelude::*; use std::mem; use vk; use std::ffi::CStr; use RawPtr; use version::{EntryV1_0, InstanceV1_0}; #[derive(Clone)] pub struct XlibSurface { handle: vk::Instance, xlib_surface_fn: vk::XlibSurfaceFn, } impl XlibSurface { pub fn new<E: EntryV1_0, I: InstanceV1_0>( entry: &E, instance: &I, ) -> Result<XlibSurface, Vec<&'static str>> { let surface_fn = vk::XlibSurfaceFn::load(|name| unsafe { mem::transmute(entry.get_instance_proc_addr( instance.handle(), name.as_ptr(), )) })?; Ok(XlibSurface { handle: instance.handle(), xlib_surface_fn: surface_fn, }) } pub fn name() -> &'static CStr { CStr::from_bytes_with_nul(b"VK_KHR_xlib_surface\0").expect("Wrong extension string") } pub unsafe fn create_xlib_surface_khr( &self, create_info: &vk::XlibSurfaceCreateInfoKHR, allocation_callbacks: Option<&vk::AllocationCallbacks>, ) -> VkResult<vk::SurfaceKHR> { let mut surface = mem::uninitialized(); let err_code = self.xlib_surface_fn.create_xlib_surface_khr( self.handle, create_info, allocation_callbacks.as_raw_ptr(), &mut surface, ); match err_code { vk::Result::Success => Ok(surface), _ => Err(err_code), } } }