pub unsafe fn acquire_next_image_khr(
device: VkDevice,
swapchain: VkSwapchainKHR,
timeout: u64,
semaphore: VkSemaphore,
fence: VkFence,
image_index_out: *mut u32,
) -> VkResultpub unsafe fn acquire_next_image_khr(
device: VkDevice,
swapchain: VkSwapchainKHR,
timeout: u64,
semaphore: VkSemaphore,
fence: VkFence,
image_index_out: *mut u32,
) -> VkResult