extensions/ext: Add VK_EXT_headless_surface instance extension

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Marijn Suijten 2022-02-23 20:16:00 +01:00 committed by GitHub
parent 8d7abfb6f1
commit d180a3b655
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3 changed files with 60 additions and 0 deletions

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@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## Unreleased
### Added
- Added `VK_EXT_headless_surface` instance extension (#589)
## [0.36.0] - 2022-02-21
### Changed

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@ -0,0 +1,52 @@
use crate::prelude::*;
use crate::vk;
use crate::RawPtr;
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_headless_surface.html>
#[derive(Clone)]
pub struct HeadlessSurface {
handle: vk::Instance,
fp: vk::ExtHeadlessSurfaceFn,
}
impl HeadlessSurface {
pub fn new(entry: &Entry, instance: &Instance) -> Self {
let handle = instance.handle();
let fp = vk::ExtHeadlessSurfaceFn::load(|name| unsafe {
mem::transmute(entry.get_instance_proc_addr(handle, name.as_ptr()))
});
Self { handle, fp }
}
/// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCreateHeadlessSurfaceEXT.html>
pub unsafe fn create_headless_surface(
&self,
create_info: &vk::HeadlessSurfaceCreateInfoEXT,
allocation_callbacks: Option<&vk::AllocationCallbacks>,
) -> VkResult<vk::SurfaceKHR> {
let mut surface = mem::zeroed();
self.fp
.create_headless_surface_ext(
self.handle,
create_info,
allocation_callbacks.as_raw_ptr(),
&mut surface,
)
.result_with_success(surface)
}
pub fn name() -> &'static CStr {
vk::ExtHeadlessSurfaceFn::name()
}
pub fn fp(&self) -> &vk::ExtHeadlessSurfaceFn {
&self.fp
}
pub fn instance(&self) -> vk::Instance {
self.handle
}
}

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@ -8,6 +8,7 @@ pub use self::debug_utils::DebugUtils;
pub use self::extended_dynamic_state::ExtendedDynamicState;
pub use self::extended_dynamic_state2::ExtendedDynamicState2;
pub use self::full_screen_exclusive::FullScreenExclusive;
pub use self::headless_surface::HeadlessSurface;
pub use self::metal_surface::MetalSurface;
pub use self::physical_device_drm::PhysicalDeviceDrm;
pub use self::private_data::PrivateData;
@ -23,6 +24,7 @@ mod debug_utils;
mod extended_dynamic_state;
mod extended_dynamic_state2;
mod full_screen_exclusive;
mod headless_surface;
mod metal_surface;
mod physical_device_drm;
mod private_data;