Type Alias PFN_vkGetDeviceMemoryCommitment 

pub type PFN_vkGetDeviceMemoryCommitment = Option<unsafe extern "system" fn(device: DeviceHandle, memory: DeviceMemory, p_committed_memory_in_bytes: *mut DeviceSize)>;

Nullable function pointer for vkGetDeviceMemoryCommitment.

Khronos reference: vkGetDeviceMemoryCommitment

Aliased Type

pub enum PFN_vkGetDeviceMemoryCommitment {
    None,
    Some(unsafe extern "system" fn(DeviceHandle, DeviceMemory, *mut u64)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(DeviceHandle, DeviceMemory, *mut u64))

Some value of type T.