diff --git a/libportability-gfx/src/impls.rs b/libportability-gfx/src/impls.rs
index 0f946b2..91f6209 100644
--- a/libportability-gfx/src/impls.rs
+++ b/libportability-gfx/src/impls.rs
@@ -572,6 +572,7 @@ pub unsafe extern "C" fn gfxGetInstanceProcAddr(
         vkGetPhysicalDeviceSurfacePresentModesKHR, PFN_vkGetPhysicalDeviceSurfacePresentModesKHR => gfxGetPhysicalDeviceSurfacePresentModesKHR,
         vkGetPhysicalDeviceWin32PresentationSupportKHR, PFN_vkGetPhysicalDeviceWin32PresentationSupportKHR => gfxGetPhysicalDeviceWin32PresentationSupportKHR,
 
+        vkCreateXcbSurfaceKHR, PFN_vkCreateXcbSurfaceKHR => gfxCreateXcbSurfaceKHR,
         vkCreateWin32SurfaceKHR, PFN_vkCreateWin32SurfaceKHR => gfxCreateWin32SurfaceKHR,
         vkCreateMetalSurfaceEXT, PFN_vkCreateMetalSurfaceEXT => gfxCreateMetalSurfaceEXT,
         vkCreateMacOSSurfaceMVK, PFN_vkCreateMacOSSurfaceMVK => gfxCreateMacOSSurfaceMVK,
@@ -982,6 +983,8 @@ lazy_static! {
     static ref INSTANCE_EXTENSION_NAMES: Vec<&'static [u8]> = {
         vec![
             VK_KHR_SURFACE_EXTENSION_NAME,
+            #[cfg(target_os="linux")]
+            VK_KHR_XCB_SURFACE_EXTENSION_NAME,
             #[cfg(target_os="windows")]
             VK_KHR_WIN32_SURFACE_EXTENSION_NAME,
             #[cfg(feature="gfx-backend-metal")]
@@ -999,6 +1002,11 @@ lazy_static! {
                 extensionName: [0; 256], // VK_KHR_SURFACE_EXTENSION_NAME
                 specVersion: VK_KHR_SURFACE_SPEC_VERSION,
             },
+            #[cfg(target_os="linux")]
+            VkExtensionProperties {
+                extensionName: [0; 256], // VK_KHR_XCB_SURFACE_EXTENSION_NAME
+                specVersion: VK_KHR_XCB_SURFACE_SPEC_VERSION,
+            },
             #[cfg(target_os="windows")]
             VkExtensionProperties {
                 extensionName: [0; 256], // VK_KHR_WIN32_SURFACE_EXTENSION_NAME
diff --git a/libportability-gfx/src/lib.rs b/libportability-gfx/src/lib.rs
index 120f242..0adb557 100644
--- a/libportability-gfx/src/lib.rs
+++ b/libportability-gfx/src/lib.rs
@@ -357,8 +357,10 @@ pub const VK_MAX_DESCRIPTION_SIZE: ::std::os::raw::c_uint = 256;
 pub const VK_KHR_surface: ::std::os::raw::c_uint = 1;
 pub const VK_KHR_SURFACE_SPEC_VERSION: ::std::os::raw::c_uint = 25;
 pub const VK_KHR_SURFACE_EXTENSION_NAME: &'static [u8; 15usize] = b"VK_KHR_surface\x00";
+pub const VK_KHR_XCB_SURFACE_SPEC_VERSION: ::std::os::raw::c_uint = 6;
 pub const VK_KHR_WIN32_SURFACE_SPEC_VERSION: ::std::os::raw::c_uint = 6;
 pub const VK_MVK_MACOS_SURFACE_SPEC_VERSION: ::std::os::raw::c_uint = 2;
+pub const VK_KHR_XCB_SURFACE_EXTENSION_NAME: &'static [u8; 19usize] = b"VK_KHR_xcb_surface\x00";
 pub const VK_KHR_WIN32_SURFACE_EXTENSION_NAME: &'static [u8; 21usize] = b"VK_KHR_win32_surface\x00";
 pub const VK_MVK_MACOS_SURFACE_EXTENSION_NAME: &'static [u8; 21usize] = b"VK_MVK_macos_surface\x00";
 pub const VK_EXT_METAL_SURFACE_EXTENSION_NAME: &'static [u8; 21usize] = b"VK_EXT_metal_surface\x00";
@@ -7145,6 +7147,15 @@ pub type PFN_vkDestroyInstance = ::std::option::Option<
     unsafe extern "C" fn(instance: VkInstance, pAllocator: *const VkAllocationCallbacks),
 >;
 
+pub type PFN_vkCreateXcbSurfaceKHR = ::std::option::Option<
+    unsafe extern "C" fn(
+        instance: VkInstance,
+        pCreateInfo: *const VkXcbSurfaceCreateInfoKHR,
+        pAllocator: *const VkAllocationCallbacks,
+        pSurface: *mut VkSurfaceKHR,
+    ) -> VkResult,
+>;
+
 pub type PFN_vkCreateWin32SurfaceKHR = ::std::option::Option<
     unsafe extern "C" fn(
         instance: VkInstance,