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