Type Alias PFN_vkGetInstanceProcAddr 

pub type PFN_vkGetInstanceProcAddr = Option<unsafe extern "system" fn(instance: InstanceHandle, p_name: *const c_char) -> PFN_vkVoidFunction>;

Nullable function pointer for vkGetInstanceProcAddr.

Khronos reference: vkGetInstanceProcAddr

Aliased Type

pub enum PFN_vkGetInstanceProcAddr {
    None,
    Some(unsafe extern "system" fn(InstanceHandle, *const i8) -> Option<unsafe extern "system" fn()>),
}

Variants

None

No value.

Some(unsafe extern "system" fn(InstanceHandle, *const i8) -> Option<unsafe extern "system" fn()>)

Some value of type T.