Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
---
 src/vulkan/util/vk_util.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/vulkan/util/vk_util.h b/src/vulkan/util/vk_util.h
index 2ed601f881e..a152984d14d 100644
--- a/src/vulkan/util/vk_util.h
+++ b/src/vulkan/util/vk_util.h
@@ -199,4 +199,11 @@ __vk_find_struct(void *start, VkStructureType sType)
 
 uint32_t vk_get_driver_version(void);
 
+#define VK_EXT_OFFSET (1000000000UL)
+#define vk_enum_extension(__enum) \
+   ((__enum) >= VK_EXT_OFFSET ? ((((__enum) - VK_EXT_OFFSET) / 1000UL) + 1) : 
0)
+#define vk_enum_offset(__enum) \
+   ((__enum) >= VK_EXT_OFFSET ? \
+    ((__enum) - VK_EXT_OFFSET - ((vk_enum_extension(__enum) - 1) * 1000)) : 
(__enum))
+
 #endif /* VK_UTIL_H */
-- 
2.14.1

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