diff --git a/vulkan/api/vulkan.api b/vulkan/api/vulkan.api
index 37cc448..d1fa15f 100644
--- a/vulkan/api/vulkan.api
+++ b/vulkan/api/vulkan.api
@@ -75,7 +75,7 @@
 @extension("VK_KHR_win32_surface") define VK_KHR_WIN32_SURFACE_SPEC_VERSION     5
 @extension("VK_KHR_win32_surface") define VK_KHR_WIN32_SURFACE_NAME             "VK_KHR_win32_surface"
 
-@extension("VK_ANDROID_native_buffer") define VK_ANDROID_NATIVE_BUFFER_SPEC_VERSION     5
+@extension("VK_ANDROID_native_buffer") define VK_ANDROID_NATIVE_BUFFER_SPEC_VERSION     6
 @extension("VK_ANDROID_native_buffer") define VK_ANDROID_NATIVE_BUFFER_NAME             "VK_ANDROID_native_buffer"
 
 @extension("VK_EXT_debug_report") define VK_EXT_DEBUG_REPORT_SPEC_VERSION       3
@@ -681,6 +681,7 @@
 
     //@extension("VK_ANDROID_native_buffer")
     VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID                     = 1000010000,
+    VK_STRUCTURE_TYPE_SWAPCHAIN_IMAGE_CREATE_INFO_ANDROID       = 1000010001,
 
     //@extension("VK_EXT_debug_report")
     VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT     = 1000011000,
@@ -1376,6 +1377,13 @@
     VK_DEBUG_REPORT_DEBUG_BIT_EXT                           = 0x00000010,
 }
 
+@extension("VK_ANDROID_native_buffer")
+type VkFlags VkSwapchainImageUsageFlagsANDROID
+@extension("VK_ANDROID_native_buffer")
+bitfield VkSwapchainImageUsageFlagBitsANDROID {
+    VK_SWAPCHAIN_IMAGE_USAGE_FLAGS_FRONT_BUFFER_BIT_ANDROID = 0x00000001,
+}
+
 
 //////////////////
 //  Structures  //
@@ -2671,6 +2679,13 @@
     int                                         usage
 }
 
+@extension("VK_ANDROID_native_buffer")
+class VkSwapchainImageCreateInfoANDROID {
+    VkStructureType                             sType
+    const void*                                 pNext
+    VkSwapchainImageUsageFlagBitsANDROID        flags
+}
+
 @extension("VK_EXT_debug_report")
 class VkDebugReportCallbackCreateInfoEXT {
     VkStructureType                             sType
@@ -5281,6 +5296,16 @@
 }
 
 @extension("VK_ANDROID_native_buffer")
+cmd VkResult vkGetSwapchainGrallocUsage2ANDROID(
+        VkDevice                                device,
+        VkFormat                                format,
+        VkImageUsageFlags                       imageUsage,
+        VkSwapchainImageUsageFlagsANDROID       swapchainImageUsage,
+        int*                                    grallocUsage) {
+    return ?
+}
+
+@extension("VK_ANDROID_native_buffer")
 cmd VkResult vkAcquireImageANDROID(
         VkDevice                                device,
         VkImage                                 image,