Vendor things

third-party/vendor/ash/src/extensions/khr/xcb_surface.rs

@@ -0,0 +1,73 @@
+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 }
+    }
+
+    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkCreateXcbSurfaceKHR.html>
+    #[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)
+    }
+
+    /// <https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/vkGetPhysicalDeviceXcbPresentationSupportKHR.html>
+    #[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
+    }
+}