[−][src]Struct ash::EntryCustom

[+] Show declaration

pub struct EntryCustom<L> { /* fields omitted */ }

[−]

Function loader

Implementations

`impl<L> EntryCustom<L>`[src][−]

`pub fn new_custom<Load>(lib: L, load: Load) -> Self where Load: FnMut(&mut L, &CStr) -> *const c_void,` [src]

`pub fn try_enumerate_instance_version(&self) -> VkResult<Option<u32>>`[src][−]

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkEnumerateInstanceVersion.html

let entry = Entry::new()?;
match entry.try_enumerate_instance_version()? {
    // Vulkan 1.1+
    Some(version) => {
        let major = vk::version_major(version);
        let minor = vk::version_minor(version);
        let patch = vk::version_patch(version);
    },
    // Vulkan 1.0
    None => {},
}

`impl EntryCustom<Arc<Library>>`[src][−]

`pub fn new() -> Result<Entry, LoadingError>`[src][−]

use ash::{vk, Entry, version::EntryV1_0};
let entry = Entry::new()?;
let app_info = vk::ApplicationInfo {
    api_version: vk::make_version(1, 0, 0),
    ..Default::default()
};
let create_info = vk::InstanceCreateInfo {
    p_application_info: &app_info,
    ..Default::default()
};
let instance = unsafe { entry.create_instance(&create_info, None)? };

Trait Implementations

`impl<L: Clone> Clone for EntryCustom<L>`[src][+]

[+] Show hidden undocumented items

`fn clone(&self) -> EntryCustom<L>`[src][−]

`fn clone_from(&mut self, source: &Self)`1.0.0[src][−]

`impl<L> EntryV1_0 for EntryCustom<L>`[src][+]

[+] Show hidden undocumented items

`type Instance = Instance`

`unsafe fn create_instance( &self, create_info: &InstanceCreateInfo, allocation_callbacks: Option<&AllocationCallbacks> ) -> Result<Self::Instance, InstanceError>`[src][−]

https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkCreateInstance.html

Safety

In order for the created Instance to be valid for the duration of its usage, the Entry this was called on must be dropped later than the resulting Instance.