From def86e02f06baf0679f043820fcb068450fdf0bc Mon Sep 17 00:00:00 2001
From: saschawillems <webmaster@saschawillems.de>
Date: Fri, 15 Apr 2016 20:57:34 +0200
Subject: [PATCH] Check debug message callback against VK_NULL_HANDLE (fixes
 defunct android build)

---
 base/vulkandebug.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/base/vulkandebug.cpp b/base/vulkandebug.cpp
index 67f01dec..25cb6d12 100644
--- a/base/vulkandebug.cpp
+++ b/base/vulkandebug.cpp
@@ -48,7 +48,7 @@ namespace vkDebug
 			if (flags & VK_DEBUG_REPORT_WARNING_BIT_EXT)
 			{
 				// Uncomment to see warnings
-				//std::cout << "WARNING: " << "[" << pLayerPrefix << "] Code " << msgCode << " : " << pMsg << "\n";
+				std::cout << "WARNING: " << "[" << pLayerPrefix << "] Code " << msgCode << " : " << pMsg << "\n";
 			}
 			else
 			{
@@ -82,7 +82,7 @@ namespace vkDebug
 	
 	void freeDebugCallback(VkInstance instance)
 	{
-		if (msgCallback != nullptr)
+		if (msgCallback != VK_NULL_HANDLE)
 		{
 			// Commented out as this crashes on some implementations for some reason (at least in VS2015)
 			// DestroyDebugReportCallback(instance, msgCallback, nullptr);