From 6804a4c820e4c00670103acd7d87d19a91e21cfc Mon Sep 17 00:00:00 2001
From: Ada <ada+github@thingvellir.net>
Date: Mon, 19 May 2025 14:36:45 +1000
Subject: [PATCH] Fix OpenXR plugin building on GCC 11

---
 plugins/openxr/src/OpenXrDisplayPlugin.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/plugins/openxr/src/OpenXrDisplayPlugin.cpp b/plugins/openxr/src/OpenXrDisplayPlugin.cpp
index 24448e83a4..ba4d514399 100644
--- a/plugins/openxr/src/OpenXrDisplayPlugin.cpp
+++ b/plugins/openxr/src/OpenXrDisplayPlugin.cpp
@@ -16,7 +16,7 @@
 #include <glm/gtx/string_cast.hpp>
 #include <glm/gtx/transform.hpp>
 #include <thread>
-#include <format>
+#include <sstream>
 
 #if defined(Q_OS_WIN)
 #undef near
@@ -133,8 +133,11 @@ static std::string glFormatStr(GLenum source) {
         ENUM_TO_STR(GL_RGBA16F);
         ENUM_TO_STR(GL_SRGB8_ALPHA8);
         ENUM_TO_STR(GL_RGB10_A2UI);
-        default:
-            return std::format("0x{:X}", source);
+        default: {
+            std::stringstream stream;
+            stream << "0x" << std::uppercase << std::hex << source;
+            return stream.str();
+        }
     }
 }