pub type PFN_vkGetRefreshCycleDurationGOOGLE = Option<unsafe extern "system" fn(device: VkDevice, swapchain: VkSwapchainKHR, pDisplayTimingProperties: *mut VkRefreshCycleDurationGOOGLE) -> VkResult>;Aliased Type§
enum PFN_vkGetRefreshCycleDurationGOOGLE {
None,
Some(unsafe extern "system" fn(_: *mut VkDevice_T, _: *mut VkSwapchainKHR_T, _: *mut VkRefreshCycleDurationGOOGLE) -> i32),
}Variants§
None
No value.
Some(unsafe extern "system" fn(_: *mut VkDevice_T, _: *mut VkSwapchainKHR_T, _: *mut VkRefreshCycleDurationGOOGLE) -> i32)
Some value of type T.