use crate::prelude::*;
use crate::vk;
use crate::RawPtr;
use crate::{Entry, Instance};
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct MetalSurface {
handle: vk::Instance,
fp: vk::ExtMetalSurfaceFn,
}
impl MetalSurface {
pub fn new(entry: &Entry, instance: &Instance) -> Self {
let handle = instance.handle();
let fp = vk::ExtMetalSurfaceFn::load(|name| unsafe {
mem::transmute(entry.get_instance_proc_addr(handle, name.as_ptr()))
});
Self { handle, fp }
}
#[inline]
pub unsafe fn create_metal_surface(
&self,
create_info: &vk::MetalSurfaceCreateInfoEXT,
allocation_callbacks: Option<&vk::AllocationCallbacks>,
) -> VkResult<vk::SurfaceKHR> {
let mut surface = mem::zeroed();
(self.fp.create_metal_surface_ext)(
self.handle,
create_info,
allocation_callbacks.as_raw_ptr(),
&mut surface,
)
.result_with_success(surface)
}
#[inline]
pub const fn name() -> &'static CStr {
vk::ExtMetalSurfaceFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::ExtMetalSurfaceFn {
&self.fp
}
#[inline]
pub fn instance(&self) -> vk::Instance {
self.handle
}
}