diff --git a/vulkan/libvulkan/swapchain.h b/vulkan/libvulkan/swapchain.h
index a4fb750..2c60c49 100644
--- a/vulkan/libvulkan/swapchain.h
+++ b/vulkan/libvulkan/swapchain.h
@@ -20,21 +20,23 @@
 #include <vulkan/vulkan.h>
 
 namespace vulkan {
+namespace driver {
 
 // clang-format off
-VKAPI_ATTR VkResult CreateAndroidSurfaceKHR_Bottom(VkInstance instance, const VkAndroidSurfaceCreateInfoKHR* pCreateInfo, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface);
-VKAPI_ATTR void DestroySurfaceKHR_Bottom(VkInstance instance, VkSurfaceKHR surface, const VkAllocationCallbacks* allocator);
-VKAPI_ATTR VkResult GetPhysicalDeviceSurfaceSupportKHR_Bottom(VkPhysicalDevice pdev, uint32_t queue_family, VkSurfaceKHR surface, VkBool32* pSupported);
-VKAPI_ATTR VkResult GetPhysicalDeviceSurfaceCapabilitiesKHR_Bottom(VkPhysicalDevice pdev, VkSurfaceKHR surface, VkSurfaceCapabilitiesKHR* capabilities);
-VKAPI_ATTR VkResult GetPhysicalDeviceSurfaceFormatsKHR_Bottom(VkPhysicalDevice pdev, VkSurfaceKHR surface, uint32_t* count, VkSurfaceFormatKHR* formats);
-VKAPI_ATTR VkResult GetPhysicalDeviceSurfacePresentModesKHR_Bottom(VkPhysicalDevice pdev, VkSurfaceKHR surface, uint32_t* count, VkPresentModeKHR* modes);
-VKAPI_ATTR VkResult CreateSwapchainKHR_Bottom(VkDevice device, const VkSwapchainCreateInfoKHR* create_info, const VkAllocationCallbacks* allocator, VkSwapchainKHR* swapchain_handle);
-VKAPI_ATTR void DestroySwapchainKHR_Bottom(VkDevice device, VkSwapchainKHR swapchain_handle, const VkAllocationCallbacks* allocator);
-VKAPI_ATTR VkResult GetSwapchainImagesKHR_Bottom(VkDevice device, VkSwapchainKHR swapchain_handle, uint32_t* count, VkImage* images);
-VKAPI_ATTR VkResult AcquireNextImageKHR_Bottom(VkDevice device, VkSwapchainKHR swapchain_handle, uint64_t timeout, VkSemaphore semaphore, VkFence fence, uint32_t* image_index);
-VKAPI_ATTR VkResult QueuePresentKHR_Bottom(VkQueue queue, const VkPresentInfoKHR* present_info);
+VKAPI_ATTR VkResult CreateAndroidSurfaceKHR(VkInstance instance, const VkAndroidSurfaceCreateInfoKHR* pCreateInfo, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface);
+VKAPI_ATTR void DestroySurfaceKHR(VkInstance instance, VkSurfaceKHR surface, const VkAllocationCallbacks* allocator);
+VKAPI_ATTR VkResult GetPhysicalDeviceSurfaceSupportKHR(VkPhysicalDevice pdev, uint32_t queue_family, VkSurfaceKHR surface, VkBool32* pSupported);
+VKAPI_ATTR VkResult GetPhysicalDeviceSurfaceCapabilitiesKHR(VkPhysicalDevice pdev, VkSurfaceKHR surface, VkSurfaceCapabilitiesKHR* capabilities);
+VKAPI_ATTR VkResult GetPhysicalDeviceSurfaceFormatsKHR(VkPhysicalDevice pdev, VkSurfaceKHR surface, uint32_t* count, VkSurfaceFormatKHR* formats);
+VKAPI_ATTR VkResult GetPhysicalDeviceSurfacePresentModesKHR(VkPhysicalDevice pdev, VkSurfaceKHR surface, uint32_t* count, VkPresentModeKHR* modes);
+VKAPI_ATTR VkResult CreateSwapchainKHR(VkDevice device, const VkSwapchainCreateInfoKHR* create_info, const VkAllocationCallbacks* allocator, VkSwapchainKHR* swapchain_handle);
+VKAPI_ATTR void DestroySwapchainKHR(VkDevice device, VkSwapchainKHR swapchain_handle, const VkAllocationCallbacks* allocator);
+VKAPI_ATTR VkResult GetSwapchainImagesKHR(VkDevice device, VkSwapchainKHR swapchain_handle, uint32_t* count, VkImage* images);
+VKAPI_ATTR VkResult AcquireNextImageKHR(VkDevice device, VkSwapchainKHR swapchain_handle, uint64_t timeout, VkSemaphore semaphore, VkFence fence, uint32_t* image_index);
+VKAPI_ATTR VkResult QueuePresentKHR(VkQueue queue, const VkPresentInfoKHR* present_info);
 // clang-format on
 
+}  // namespace driver
 }  // namespace vulkan
 
 #endif  // LIBVULKAN_SWAPCHAIN_H