Method setupSemaphores

examples/vulkan/Vulkan.cpp:2330–2360

Set up the semaphores we use to synchronize frames among each other

    // Set up the semaphores we use to synchronize frames among each other
    void setupSemaphores()
    {
        VkSemaphoreCreateInfo semaphoreCreateInfo = VkSemaphoreCreateInfo();
        semaphoreCreateInfo.sType                 = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;

        // Create a semaphore to track when an swapchain image is available for each frame in flight
        for (std::size_t i = 0; i < maxFramesInFlight; ++i)
        {
            imageAvailableSemaphores.push_back({});

            if (vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS)
            {
                imageAvailableSemaphores.pop_back();
                vulkanAvailable = false;
                return;
            }
        }

        // Create a semaphore to track when rendering is complete for each frame in flight
        for (std::size_t i = 0; i < maxFramesInFlight; ++i)
        {
            renderFinishedSemaphores.push_back({});

            if (vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS)
            {
                renderFinishedSemaphores.pop_back();
                vulkanAvailable = false;
                return;
            }
        }
    }

    // Set up the fences we use to synchronize frames among each other
    void setupFences()