From e8b01485ce088126dc148fb5c906e31ec45fb732 Mon Sep 17 00:00:00 2001
From: Adam Sawicki <Adam.Sawicki@amd.com>
Date: Thu, 6 Dec 2018 14:47:59 +0100
Subject: [PATCH] Small change not to #include <vulkan/vulkan.h> if it was
 already included (possible from a different path) before including VMA. Issue
 #50 Thanks @baldurk !

---
 src/VmaUsage.h     | 3 ++-
 src/vk_mem_alloc.h | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/VmaUsage.h b/src/VmaUsage.h
index bd31938..9d24b96 100644
--- a/src/VmaUsage.h
+++ b/src/VmaUsage.h
@@ -8,7 +8,8 @@
 #include <Windows.h>
 #define VK_USE_PLATFORM_WIN32_KHR
 
-#include <vulkan/vulkan.h>
+// Uncomment to test including `vulkan.h` on your own before including VMA.
+//#include <vulkan/vulkan.h>
 
 /*
 In every place where you want to use Vulkan Memory Allocator, define appropriate
diff --git a/src/vk_mem_alloc.h b/src/vk_mem_alloc.h
index 56b2624..310a4b1 100644
--- a/src/vk_mem_alloc.h
+++ b/src/vk_mem_alloc.h
@@ -1492,7 +1492,9 @@ available through VmaAllocatorCreateInfo::pRecordSettings.
     #define NOMINMAX // For windows.h
 #endif
 
-#include <vulkan/vulkan.h>
+#ifndef VULKAN_H_
+    #include <vulkan/vulkan.h>
+#endif
 
 #if VMA_RECORDING_ENABLED
     #include <windows.h>