use crate::prelude::*;
use crate::vk;
use crate::RawPtr;
use crate::{Entry, Instance};
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct XcbSurface {
handle: vk::Instance,
fp: vk::KhrXcbSurfaceFn,
}
impl XcbSurface {
pub fn new(entry: &Entry, instance: &Instance) -> Self {
let handle = instance.handle();
let fp = vk::KhrXcbSurfaceFn::load(|name| unsafe {
mem::transmute(entry.get_instance_proc_addr(handle, name.as_ptr()))
});
Self { handle, fp }
}
#[inline]
pub unsafe fn create_xcb_surface(
&self,
create_info: &vk::XcbSurfaceCreateInfoKHR,
allocation_callbacks: Option<&vk::AllocationCallbacks>,
) -> VkResult<vk::SurfaceKHR> {
let mut surface = mem::zeroed();
(self.fp.create_xcb_surface_khr)(
self.handle,
create_info,
allocation_callbacks.as_raw_ptr(),
&mut surface,
)
.result_with_success(surface)
}
#[inline]
pub unsafe fn get_physical_device_xcb_presentation_support(
&self,
physical_device: vk::PhysicalDevice,
queue_family_index: u32,
connection: &mut vk::xcb_connection_t,
visual_id: vk::xcb_visualid_t,
) -> bool {
let b = (self.fp.get_physical_device_xcb_presentation_support_khr)(
physical_device,
queue_family_index,
connection,
visual_id,
);
b > 0
}
#[inline]
pub const fn name() -> &'static CStr {
vk::KhrXcbSurfaceFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::KhrXcbSurfaceFn {
&self.fp
}
#[inline]
pub fn instance(&self) -> vk::Instance {
self.handle
}
}