From 91326025f38181cc4f3bb7b47ea728c582dbafd8 Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Mon, 16 Feb 2026 13:08:35 +0800
Subject: [PATCH] [Fix] (MG_Backend/DirectVulkan): guard against missing header

---
 .../DirectVulkan/Renderer/SwapchainObject.cpp | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp b/MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
index 9a931e3f..b15b881d 100644
--- a/MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/Renderer/SwapchainObject.cpp
@@ -7,7 +7,35 @@
 // End of Source File Header
 
 #include "SwapchainObject.h"
+
+#if defined(__has_include)
+#if __has_include(<vulkan/vk_enum_string_helper.h>)
 #include <vulkan/vk_enum_string_helper.h>
+#define MOBILEGL_HAS_VK_ENUM_STRING_HELPER 1
+#else
+#define MOBILEGL_HAS_VK_ENUM_STRING_HELPER 0
+#endif
+#else
+#define MOBILEGL_HAS_VK_ENUM_STRING_HELPER 0
+#endif
+
+#if !MOBILEGL_HAS_VK_ENUM_STRING_HELPER
+static const char* string_VkFormat(VkFormat) {
+    return "VkFormat(unknown)";
+}
+
+static const char* string_VkColorSpaceKHR(VkColorSpaceKHR) {
+    return "VkColorSpaceKHR(unknown)";
+}
+
+static const char* string_VkPresentModeKHR(VkPresentModeKHR) {
+    return "VkPresentModeKHR(unknown)";
+}
+
+static const char* string_VkSurfaceTransformFlagBitsKHR(VkSurfaceTransformFlagBitsKHR) {
+    return "VkSurfaceTransformFlagBitsKHR(unknown)";
+}
+#endif
 
 namespace MobileGL::MG_Backend::DirectVulkan {
     SwapchainObject::SwapchainCapabilities SwapchainObject::GetSwapchainCapabilities(VkPhysicalDevice physicalDevice,