Merge "libvulkan: support vkGIPA self-query" into rvc-dev am: 68904ad94c am: fd32d4f578

Change-Id: I9f43528ad321c6515a9df56c7c1361fcaf289934
diff --git a/vulkan/libvulkan/api_gen.cpp b/vulkan/libvulkan/api_gen.cpp
index 37b5368..d9a9427 100644
--- a/vulkan/libvulkan/api_gen.cpp
+++ b/vulkan/libvulkan/api_gen.cpp
@@ -621,6 +621,7 @@
     // global functions
     if (instance == VK_NULL_HANDLE) {
         if (strcmp(pName, "vkCreateInstance") == 0) return reinterpret_cast<PFN_vkVoidFunction>(CreateInstance);
+        if (strcmp(pName, "vkGetInstanceProcAddr") == 0) return reinterpret_cast<PFN_vkVoidFunction>(GetInstanceProcAddr);
         if (strcmp(pName, "vkEnumerateInstanceVersion") == 0) return reinterpret_cast<PFN_vkVoidFunction>(EnumerateInstanceVersion);
         if (strcmp(pName, "vkEnumerateInstanceLayerProperties") == 0) return reinterpret_cast<PFN_vkVoidFunction>(EnumerateInstanceLayerProperties);
         if (strcmp(pName, "vkEnumerateInstanceExtensionProperties") == 0) return reinterpret_cast<PFN_vkVoidFunction>(EnumerateInstanceExtensionProperties);
diff --git a/vulkan/scripts/api_generator.py b/vulkan/scripts/api_generator.py
index 7c39075..be24172 100644
--- a/vulkan/scripts/api_generator.py
+++ b/vulkan/scripts/api_generator.py
@@ -152,7 +152,9 @@
     if (instance == VK_NULL_HANDLE) {\n""")
 
   for cmd in gencom.command_list:
-    if gencom.is_globally_dispatched(cmd):
+    # vkGetInstanceProcAddr(nullptr, "vkGetInstanceProcAddr") is effectively
+    # globally dispatched
+    if gencom.is_globally_dispatched(cmd) or cmd == 'vkGetInstanceProcAddr':
       f.write(gencom.indent(2) +
               'if (strcmp(pName, \"' + cmd +
               '\") == 0) return reinterpret_cast<PFN_vkVoidFunction>(' +