void createSemaphores()
{
VkSemaphoreCreateInfo semaphoreInfo = new VkSemaphoreCreateInfo();
semaphoreInfo.sType = VkStructureType.VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
if (Vulkan.vkCreateSemaphore(device, semaphoreInfo, null, out imageAvailableSemaphore) != VkResult.VK_SUCCESS ||
Vulkan.vkCreateSemaphore(device, semaphoreInfo, null, out renderFinishedSemaphore) != VkResult.VK_SUCCESS)
{
throw Program.Throw("failed to create semaphores!");
}
}