From 99673d783761d954e7e8333110d104144ae1d51a Mon Sep 17 00:00:00 2001
From: skallweitNV <64953474+skallweitNV@users.noreply.github.com>
Date: Thu, 15 Aug 2024 17:37:10 +0200
Subject: [PATCH] fix getVKAdapters on MoltenVK (#4852)

---
 tools/gfx/vulkan/vk-helper-functions.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/gfx/vulkan/vk-helper-functions.cpp b/tools/gfx/vulkan/vk-helper-functions.cpp
index b70ff5e040..1f7c6b6fff 100644
--- a/tools/gfx/vulkan/vk-helper-functions.cpp
+++ b/tools/gfx/vulkan/vk-helper-functions.cpp
@@ -490,9 +490,15 @@ Result SLANG_MCALL getVKAdapters(List<AdapterInfo>& outAdapters)
         VkInstanceCreateInfo instanceCreateInfo = { VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO };
         const char* instanceExtensions[] = {
             VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME,
+#if SLANG_APPLE_FAMILY
+            VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME,
+#endif
         };
         instanceCreateInfo.enabledExtensionCount = SLANG_COUNT_OF(instanceExtensions);
         instanceCreateInfo.ppEnabledExtensionNames = &instanceExtensions[0];
+#if SLANG_APPLE_FAMILY
+        instanceCreateInfo.flags = VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
+#endif
         VkInstance instance;
         SLANG_VK_RETURN_ON_FAIL(api.vkCreateInstance(&instanceCreateInfo, nullptr, &instance));