#![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 XcbSurface {
handle: vk::Instance,
xcb_surface_fn: vk::XcbSurfaceFn,
}
impl XcbSurface {
pub fn new<E: EntryV1_0, I: InstanceV1_0>(entry: &E,
instance: &I)
-> Result<XcbSurface, Vec<&'static str>> {
let surface_fn = vk::XcbSurfaceFn::load(|name| {
unsafe {
mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
}
})?;
Ok(XcbSurface {
handle: instance.handle(),
xcb_surface_fn: surface_fn,
})
}
pub fn name() -> &'static CStr {
CStr::from_bytes_with_nul(b"VK_KHR_xcb_surface\0").expect("Wrong extension string")
}
pub unsafe fn create_xcb_surface_khr(&self,
create_info: &vk::XcbSurfaceCreateInfoKHR,
allocation_callbacks: Option<&vk::AllocationCallbacks>)
-> VkResult<vk::SurfaceKHR> {
let mut surface = mem::uninitialized();
let err_code = self.xcb_surface_fn
.create_xcb_surface_khr(self.handle,
create_info,
allocation_callbacks.as_raw_ptr(),
&mut surface);
match err_code {
vk::Result::Success => Ok(surface),
_ => Err(err_code),
}
}
}