vkconfig: Fix UUID display in log, following the RFC9562 standard #2423

christophe-lunarg · christophe-lunarg · commit 796d193c8e3a · 2026-03-20T18:46:02.000+01:00
Change-Id: I7657a8edf8d56a79cfc3515e9ba9b4943c9caa8c
diff --git a/vkconfig_core/vulkan_util.cpp b/vkconfig_core/vulkan_util.cpp
@@ -35,6 +35,9 @@ std::string GetUUIDString(const uint8_t deviceUUID[VK_UUID_SIZE]) {
 
     for (std::size_t i = 0, n = VK_UUID_SIZE; i < n; ++i) {
         result += format("%02X", deviceUUID[i]);
+        if (i == 3 || i == 5 || i == 7) {
+            result += "-";
+        }
     }
 
     return result;
diff --git a/vkconfig_gui/CHANGELOG.md b/vkconfig_gui/CHANGELOG.md
@@ -22,6 +22,7 @@
 - Fix "discard" layer control tooltip #2595
 - Fix "Validation with API Dump log" configuration not loaded
 - Fix high CPU usage on idle when no layers configuration is active #2603
+- Fix UUID display in log, following the RFC9562 standard
 
 ## Vulkan Configurator 3.4.2 - Febuary 2026
 [Vulkan SDK 1.4.341.0](https://github.com/LunarG/VulkanTools/tree/vulkan-sdk-1.4.341)

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,9 @@ std::string GetUUIDString(const uint8_t deviceUUID[VK_UUID_SIZE]) {`
`35`	`35`
`36`	`36`	`for (std::size_t i = 0, n = VK_UUID_SIZE; i < n; ++i) {`
`37`	`37`	`result += format("%02X", deviceUUID[i]);`
	`38`	`+ if (i == 3 \|\| i == 5 \|\| i == 7) {`
	`39`	`+ result += "-";`
	`40`	`+ }`
`38`	`41`	`}`
`39`	`42`
`40`	`43`	`return result;`