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use crate::prelude::*;
use crate::vk;
use crate::{Entry, Instance};
use std::ffi::CStr;
use std::mem;
/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/VK_EXT_acquire_drm_display.html>
#[derive(Clone)]
pub struct AcquireDrmDisplay {
fp: vk::ExtAcquireDrmDisplayFn,
}
impl AcquireDrmDisplay {
pub fn new(entry: &Entry, instance: &Instance) -> Self {
let handle = instance.handle();
let fp = vk::ExtAcquireDrmDisplayFn::load(|name| unsafe {
mem::transmute(entry.get_instance_proc_addr(handle, name.as_ptr()))
});
Self { fp }
}
/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkAcquireDrmDisplayEXT.html>
#[inline]
pub unsafe fn acquire_drm_display(
&self,
physical_device: vk::PhysicalDevice,
drm_fd: i32,
display: vk::DisplayKHR,
) -> VkResult<()> {
(self.fp.acquire_drm_display_ext)(physical_device, drm_fd, display).result()
}
/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetDrmDisplayEXT.html>
#[inline]
pub unsafe fn get_drm_display(
&self,
physical_device: vk::PhysicalDevice,
drm_fd: i32,
connector_id: u32,
) -> VkResult<vk::DisplayKHR> {
let mut display = mem::MaybeUninit::uninit();
(self.fp.get_drm_display_ext)(physical_device, drm_fd, connector_id, display.as_mut_ptr())
.assume_init_on_success(display)
}
#[inline]
pub const fn name() -> &'static CStr {
vk::ExtAcquireDrmDisplayFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::ExtAcquireDrmDisplayFn {
&self.fp
}
}
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