Function createInstance

deps/SDL2/test/testvulkan.c:245–291

}

static void createInstance(void)
{
    VkApplicationInfo appInfo = {0};
    VkInstanceCreateInfo instanceCreateInfo = {0};
    const char **extensions = NULL;
    unsigned extensionCount = 0;
	VkResult result;


	appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
    appInfo.apiVersion = VK_API_VERSION_1_0;
    instanceCreateInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
    instanceCreateInfo.pApplicationInfo = &appInfo;
    if(!SDL_Vulkan_GetInstanceExtensions(NULL, &extensionCount, NULL))
    {
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                     "SDL_Vulkan_GetInstanceExtensions(): %s\n",
                     SDL_GetError());
        quit(2);
    }
    extensions = SDL_malloc(sizeof(const char *) * extensionCount);
    if(!extensions)
    {
        SDL_OutOfMemory();
        quit(2);
    }
    if(!SDL_Vulkan_GetInstanceExtensions(NULL, &extensionCount, extensions))
    {
        SDL_free((void*)extensions);
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                     "SDL_Vulkan_GetInstanceExtensions(): %s\n",
                     SDL_GetError());
        quit(2);
    }
    instanceCreateInfo.enabledExtensionCount = extensionCount;
    instanceCreateInfo.ppEnabledExtensionNames = extensions;
    result = vkCreateInstance(&instanceCreateInfo, NULL, &vulkanContext.instance);
    SDL_free((void*)extensions);
    if(result != VK_SUCCESS)
    {
        vulkanContext.instance = VK_NULL_HANDLE;
        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                     "vkCreateInstance(): %s\n",
                     getVulkanResultString(result));
        quit(2);
    }
}

static void loadInstanceFunctions(void)
{