From 9aa21f85fcf9fae12ab607c5dea8addf501716ea Mon Sep 17 00:00:00 2001
From: mocabe <hisa.mocabe@gmail.com>
Date: Thu, 2 Jul 2020 12:16:14 +0900
Subject: [PATCH] [samples] Fix compilation of InstanceLayerExtensionProperties

---
 .../InstanceLayerExtensionProperties.cpp                        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/InstanceLayerExtensionProperties/InstanceLayerExtensionProperties.cpp b/samples/InstanceLayerExtensionProperties/InstanceLayerExtensionProperties.cpp
index 3e3bf6c..1bf4e3e 100644
--- a/samples/InstanceLayerExtensionProperties/InstanceLayerExtensionProperties.cpp
+++ b/samples/InstanceLayerExtensionProperties/InstanceLayerExtensionProperties.cpp
@@ -49,7 +49,7 @@ int main( int /*argc*/, char ** /*argv*/ )
     for ( auto const & layerProperty : layerProperties )
     {
       std::vector<vk::ExtensionProperties> extensionProperties =
-        vk::enumerateInstanceExtensionProperties( std::string( layerProperty.layerName ) );
+        vk::enumerateInstanceExtensionProperties( vk::Optional<const std::string>( layerProperty.layerName ) );
       propertyData.push_back( PropertyData( layerProperty, extensionProperties ) );
     }