From c2c49478e9f2e03023f37ccd18237252827d1008 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20S=C3=BC=C3=9Fenbach?= <asuessenbach@nvidia.com>
Date: Fri, 6 Dec 2024 09:56:10 +0100
Subject: [PATCH] Re-add compare operators of vk-handles, needed for 32bit
 builds. (#2010)

---
 VulkanHppGenerator.cpp    | 61 +++++++++++++++++++++++++++++++++++----
 vulkan/vulkan_handles.hpp | 51 ++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 5 deletions(-)

diff --git a/VulkanHppGenerator.cpp b/VulkanHppGenerator.cpp
index ea228d6..95f386b 100644
--- a/VulkanHppGenerator.cpp
+++ b/VulkanHppGenerator.cpp
@@ -228,11 +228,62 @@ void VulkanHppGenerator::generateHandlesHppFile() const
 
 namespace VULKAN_HPP_NAMESPACE
 {
-${structForwardDeclarations}
-${handleForwardDeclarations}
-${uniqueHandles}
-${handles}
+  ${structForwardDeclarations}
+  ${handleForwardDeclarations}
+  ${uniqueHandles}
+  ${handles}
 }   // namespace VULKAN_HPP_NAMESPACE
+
+// operators to compare vk::-handles
+#  if defined( VULKAN_HPP_HAS_SPACESHIP_OPERATOR )
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator<=>( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) <=> static_cast<typename T::NativeType>( rhs );
+}
+#else
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator==( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) == static_cast<typename T::NativeType>( rhs );
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator!=( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) != static_cast<typename T::NativeType>( rhs );
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator<( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) < static_cast<typename T::NativeType>( rhs );
+}
+#endif
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator==( T const & v, std::nullptr_t )
+{
+  return !v;
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator==( std::nullptr_t, T const & v )
+{
+  return !v;
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator!=( T const & v, std::nullptr_t )
+{
+  return !!v;
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator!=( std::nullptr_t, T const & v )
+{
+  return !!v;
+}
 #endif
 )";
 
@@ -8018,7 +8069,7 @@ ${typesafeConversionConditionalEnd}
       return *this;
     }
 
-${commands}
+    ${commands}
     ${typesafeExplicitKeyword}operator Vk${className}() const VULKAN_HPP_NOEXCEPT
     {
       return m_${memberName};
diff --git a/vulkan/vulkan_handles.hpp b/vulkan/vulkan_handles.hpp
index 617126a..4e8aafd 100644
--- a/vulkan/vulkan_handles.hpp
+++ b/vulkan/vulkan_handles.hpp
@@ -17707,4 +17707,55 @@ namespace VULKAN_HPP_NAMESPACE
 #endif /* VULKAN_HPP_DISABLE_ENHANCED_MODE */
 
 }  // namespace VULKAN_HPP_NAMESPACE
+
+// operators to compare vk::-handles
+#if defined( VULKAN_HPP_HAS_SPACESHIP_OPERATOR )
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator<=>( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) <=> static_cast<typename T::NativeType>( rhs );
+}
+#else
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator==( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) == static_cast<typename T::NativeType>( rhs );
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator!=( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) != static_cast<typename T::NativeType>( rhs );
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator<( T const & lhs, T const & rhs )
+{
+  return static_cast<typename T::NativeType>( lhs ) < static_cast<typename T::NativeType>( rhs );
+}
+#endif
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator==( T const & v, std::nullptr_t )
+{
+  return !v;
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator==( std::nullptr_t, T const & v )
+{
+  return !v;
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator!=( T const & v, std::nullptr_t )
+{
+  return !!v;
+}
+
+template <typename T, typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, int>::type = 0>
+bool operator!=( std::nullptr_t, T const & v )
+{
+  return !!v;
+}
 #endif