Swap Chain

Present Mode
VK_PRESENT_MODE_IMMEDIATE_KHR : the request applied immediately
VK_PRESENT_MODE_MAILBOX_KHR (if no time, use this) the presentation engine waits for the next vertical blanking period to update the current image.

VkPresentModeKHR LveSwapChain::chooseSwapPresentMode(
  const std::vector<VkPresentModeKHR> &availablePresentModes) {
  for (const auto &availablePresentMode : availablePresentModes) {
  if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
  std::cout << "Present mode: Mailbox" << std::endl;
  return availablePresentMode;
  }
}

VkPresentModeKHR