Correct usage of Allocator in functions returning a vector of UniqueObjects (#178)

VulkanHppGenerator.cpp

@@ -541,7 +541,7 @@ const std::string createResultValueHeader = R"(
     {
       throwResultException( result, message );
     }
-    return data;
+    return std::move( data );
 #endif
   }
 
@@ -2741,6 +2741,46 @@ void VulkanHppGenerator::sortDependencies()
   m_dependencies.swap(sortedDependencies);
 }
 
+void VulkanHppGenerator::writeArguments(std::ostream & os, CommandData const& commandData, bool firstCall, bool singular, size_t from, size_t to)
+{
+  assert(from <= to);
+
+  // get the parameter indices of the counter for vector parameters
+  std::map<size_t, size_t> countIndices;
+  for (std::map<size_t, size_t>::const_iterator it = commandData.vectorParams.begin(); it != commandData.vectorParams.end(); ++it)
+  {
+    countIndices.insert(std::make_pair(it->second, it->first));
+  }
+
+  bool encounteredArgument = false;
+  for (size_t i = from; i < to; i++)
+  {
+    if (encounteredArgument)
+    {
+      os << ", ";
+    }
+
+    std::map<size_t, size_t>::const_iterator it = countIndices.find(i);
+    if (it != countIndices.end())
+    {
+      writeCallCountParameter(os, commandData, singular, it);
+    }
+    else if ((it = commandData.vectorParams.find(i)) != commandData.vectorParams.end())
+    {
+      writeCallVectorParameter(os, commandData, firstCall, singular, it);
+    }
+    else if (m_vkTypes.find(commandData.params[i].pureType) != m_vkTypes.end())
+    {
+      writeCallVulkanTypeParameter(os, commandData.params[i]);
+    }
+    else
+    {
+      writeCallPlainTypeParameter(os, commandData.params[i]);
+    }
+    encounteredArgument = true;
+  }
+}
+
 void VulkanHppGenerator::writeBitmaskToString(std::ostream & os, std::string const& bitmaskName, EnumData const &enumData)
 {
   // the helper functions to make strings out of flag values
@@ -2772,13 +2812,6 @@ void VulkanHppGenerator::writeBitmaskToString(std::ostream & os, std::string con
 
 void VulkanHppGenerator::writeCall(std::ostream & os, CommandData const& commandData, bool firstCall, bool singular)
 {
-  // get the parameter indices of the counter for vector parameters
-  std::map<size_t, size_t> countIndices;
-  for (std::map<size_t, size_t>::const_iterator it = commandData.vectorParams.begin(); it != commandData.vectorParams.end(); ++it)
-  {
-    countIndices.insert(std::make_pair(it->second, it->first));
-  }
-
   // the original function call
   os << "d.vk" << startUpperCase(commandData.fullName) << "( ";
 
@@ -2786,33 +2819,13 @@ void VulkanHppGenerator::writeCall(std::ostream & os, CommandData const& command
   {
     // if it's member of a class -> add the first parameter with "m_" as prefix
     os << "m_" << commandData.params[0].name;
-  }
+    if (1 < commandData.params.size())
-
-  for (size_t i = commandData.className.empty() ? 0 : 1; i < commandData.params.size(); i++)
-  {
-    if (0 < i)
     {
       os << ", ";
     }
+  }
 
-    std::map<size_t, size_t>::const_iterator it = countIndices.find(i);
+  writeArguments(os, commandData, firstCall, singular, commandData.className.empty() ? 0 : 1, commandData.params.size());
-    if (it != countIndices.end())
-    {
-      writeCallCountParameter(os, commandData, singular, it);
-    }
-    else if ((it = commandData.vectorParams.find(i)) != commandData.vectorParams.end())
-    {
-      writeCallVectorParameter(os, commandData, firstCall, singular, it);
-    }
-    else if (m_vkTypes.find(commandData.params[i].pureType) != m_vkTypes.end())
-    {
-      writeCallVulkanTypeParameter(os, commandData.params[i]);
-    }
-    else
-    {
-      writeCallPlainTypeParameter(os, commandData.params[i]);
-    }
-  }
   os << " )";
 }
 
@@ -3204,7 +3217,7 @@ void VulkanHppGenerator::writeExceptionsForEnum(std::ostream & os, EnumData cons
 
 void VulkanHppGenerator::writeFunction(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool definition, bool enhanced, bool singular, bool unique, bool isStructureChain)
 {
-  writeFunctionHeaderTemplate(os, indentation, commandData, enhanced, !definition, isStructureChain);
+  writeFunctionHeaderTemplate(os, indentation, commandData, enhanced, unique, !definition, isStructureChain);
 
   os << indentation << (definition ? "VULKAN_HPP_INLINE " : "");
   writeFunctionHeaderReturnType(os, indentation, commandData, enhanced, singular, unique, isStructureChain);
@@ -3234,6 +3247,48 @@ void VulkanHppGenerator::writeFunction(std::ostream & os, std::string const& ind
 
 void VulkanHppGenerator::writeFunctionBodyEnhanced(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool singular, bool unique, bool isStructureChain)
 {
+  if (unique && !singular && (commandData.vectorParams.find(commandData.returnParam) != commandData.vectorParams.end()))    // returns a vector of UniqueStuff
+  {
+    std::string const stringTemplate =
+R"(${i}  static_assert( sizeof( ${type} ) <= sizeof( Unique${type} ), "${type} is greater than Unique${type}!" );
+${i}  std::vector<Unique${type}, Allocator> ${typeVariable}s;
+${i}  ${typeVariable}s.reserve( ${vectorSize} );
+${i}  ${type}* buffer = reinterpret_cast<${type}*>( reinterpret_cast<char*>( ${typeVariable}s.data() ) + ${vectorSize} * ( sizeof( Unique${type} ) - sizeof( ${type} ) ) );
+${i}  Result result = static_cast<Result>(d.vk${command}( m_device, ${arguments}, reinterpret_cast<Vk${type}*>( buffer ) ) );
+
+${i}  ${type}Deleter deleter( *this, ${deleterArg} );
+${i}  for ( size_t i=0 ; i<${vectorSize} ; i++ )
+${i}  {
+${i}    ${typeVariable}s.push_back( Unique${type}( buffer[i], deleter ) );
+${i}  }
+
+${i}  return createResultValue( result, ${typeVariable}s, "VULKAN_HPP_NAMESPACE::${class}::${function}Unique" );
+)";
+
+    std::string type = (commandData.returnParam != ~0) ? commandData.params[commandData.returnParam].pureType : "";
+    std::string typeVariable = startLowerCase(type);
+    std::ostringstream arguments;
+    writeArguments(arguments, commandData, true, singular, 1, commandData.params.size() - 1);
+
+    std::map<std::string, DeleterData>::const_iterator ddit = m_deleters.find(type);
+    assert(ddit != m_deleters.end());
+
+    bool isCreateFunction = (commandData.fullName.substr(0, 6) == "create");
+    os << replaceWithMap(stringTemplate, std::map<std::string, std::string>
+    {
+      { "i", indentation },
+      { "type", type },
+      { "typeVariable", typeVariable },
+      { "vectorSize", isCreateFunction ? "createInfos.size()" : "allocateInfo." + typeVariable + "Count" },
+      { "command", startUpperCase(commandData.fullName) },
+      { "arguments", arguments.str() },
+      { "deleterArg", ddit->second.pool.empty() ? "allocator" : "allocateInfo." + startLowerCase(ddit->second.pool) },
+      { "class", commandData.className },
+      { "function", commandData.reducedName }
+    });
+  }
+  else
+  {
     if (1 < commandData.vectorParams.size())
     {
       writeFunctionBodyEnhancedMultiVectorSizeCheck(os, indentation, commandData);
@@ -3292,6 +3347,7 @@ void VulkanHppGenerator::writeFunctionBodyEnhanced(std::ostream & os, std::strin
       // for the other returning cases, when the return type is somhow enhanced, just return the local returnVariable
       os << indentation << "  return " << returnName << ";" << std::endl;
     }
+  }
 }
 
 void VulkanHppGenerator::writeFunctionBodyEnhanced(std::ostream &os, std::string const& templateString, std::string const& indentation, CommandData const& commandData, bool singular)
@@ -3539,33 +3595,12 @@ void VulkanHppGenerator::writeFunctionBodyEnhancedReturnResultValue(std::ostream
     os << " );" << std::endl;
   }
 
-  bool returnUniqueVector = unique && !singular && (commandData.vectorParams.find(commandData.returnParam) != commandData.vectorParams.end());
-  if (returnUniqueVector)
-  {
-    std::string const stringTemplate =
-R"(${i}  std::vector<Unique${type}> unique${returnVectorName}s;
-${i}  unique${returnVectorName}s.reserve( ${localName}s.size() );
-${i}  for ( auto const& ${localName} : ${localName}s )
-${i}  {
-${i}    unique${returnVectorName}s.push_back( Unique${type}( ${localName}, deleter ) );
-${i}  }
-
-)";
-
-    os << replaceWithMap(stringTemplate, std::map<std::string, std::string>{
-      { "i", indentation },
-      { "type", type },
-      { "returnVectorName", returnVectorName },
-      { "localName", startLowerCase(returnVectorName) }
-    });
-  }
-
   // if the return type is "Result" or there is at least one success code, create the Result/Value construct to return
   os << indentation << "  return createResultValue( result, ";
   if (commandData.returnParam != ~0)
   {
     // if there's a return parameter, list it in the Result/Value constructor
-    os << (returnUniqueVector ? "unique" + returnVectorName + "s" : returnName) << ", ";
+    os << returnName << ", ";
   }
 
   // now the function name (with full namespace) as a string
@@ -3582,7 +3617,7 @@ ${i}  }
     os << " }";
   }
 
-  if (unique && !returnUniqueVector)
+  if (unique)
   {
     os << ", deleter";
   }
@@ -3934,7 +3969,7 @@ void VulkanHppGenerator::writeFunctionHeaderReturnType(std::ostream & os, std::s
   os << replaceWithMap(templateString, { { "returnType", returnType } });
 }
 
-void VulkanHppGenerator::writeFunctionHeaderTemplate(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool enhanced, bool withDefault, bool isStructureChain)
+void VulkanHppGenerator::writeFunctionHeaderTemplate(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool enhanced, bool unique, bool withDefault, bool isStructureChain)
 {
   std::string dispatch = withDefault ? std::string("typename Dispatch = DispatchLoaderStatic") : std::string("typename Dispatch");
   if (enhanced && isStructureChain)
@@ -3955,7 +3990,7 @@ void VulkanHppGenerator::writeFunctionHeaderTemplate(std::ostream & os, std::str
     if (withDefault)
     {
       // for the default type get the type from the enhancedReturnType, which is of the form 'std::vector<Type,Allocator>'
-      os << " = std::allocator<" << commandData.enhancedReturnType.substr(12, commandData.enhancedReturnType.find(',') - 12) << ">";
+      os << " = std::allocator<" << (unique ? "Unique" : "") << commandData.enhancedReturnType.substr(12, commandData.enhancedReturnType.find(',') - 12) << ">";
     }
     os << ", " << dispatch;
     os << "> " << std::endl;

VulkanHppGenerator.hpp

@@ -238,6 +238,7 @@ class VulkanHppGenerator
     void readTypeStructMember(tinyxml2::XMLElement const* element, StructData & structData);
     void registerDeleter(CommandData const& commandData);
     void setDefault(std::string const& name, std::map<std::string, std::string> & defaultValues, EnumData const& enumData);
+    void writeArguments(std::ostream & os, CommandData const& commandData, bool firstCall, bool singular, size_t from, size_t to);
     void writeBitmaskToString(std::ostream & os, std::string const& flagsName, EnumData const &enumData);
     void writeCall(std::ostream & os, CommandData const& commandData, bool firstCall, bool singular);
     void writeCallCountParameter(std::ostream & os, CommandData const& commandData, bool singular, std::map<size_t, size_t>::const_iterator it);
@@ -266,7 +267,7 @@ class VulkanHppGenerator
     void writeFunctionHeaderArgumentsEnhanced(std::ostream & os, CommandData const& commandData, bool singular, bool withDefaults);
     void writeFunctionHeaderArgumentsStandard(std::ostream & os, CommandData const& commandData, bool withDefaults);
     void writeFunctionHeaderReturnType(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool enhanced, bool singular, bool unique, bool isStructureChain);
-    void writeFunctionHeaderTemplate(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool enhanced, bool withDefault, bool isStructureChain);
+    void writeFunctionHeaderTemplate(std::ostream & os, std::string const& indentation, CommandData const& commandData, bool enhanced, bool unique, bool withDefault, bool isStructureChain);
     void writeStructConstructor(std::ostream & os, std::string const& name, StructData const& structData, std::map<std::string, std::string> const& defaultValues);
     void writeStructSetter(std::ostream & os, std::string const& structureName, MemberData const& memberData);
     void writeStructureChainValidation(std::ostream & os, DependencyData const& dependencyData);

vulkan/vulkan.hpp

@@ -924,7 +924,7 @@ namespace VULKAN_HPP_NAMESPACE
     {
       throwResultException( result, message );
     }
-    return data;
+    return std::move( data );
 #endif
   }
 
@@ -28699,9 +28699,9 @@ public:
     template <typename Allocator = std::allocator<Pipeline>, typename Dispatch = DispatchLoaderStatic> 
     ResultValueType<Pipeline>::type createGraphicsPipeline( PipelineCache pipelineCache, const GraphicsPipelineCreateInfo & createInfo, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
 #ifndef VULKAN_HPP_NO_SMART_HANDLE
-    template <typename Allocator = std::allocator<Pipeline>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniquePipeline>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<UniquePipeline,Allocator>>::type createGraphicsPipelinesUnique( PipelineCache pipelineCache, ArrayProxy<const GraphicsPipelineCreateInfo> createInfos, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
-    template <typename Allocator = std::allocator<Pipeline>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniquePipeline>, typename Dispatch = DispatchLoaderStatic> 
     ResultValueType<UniquePipeline>::type createGraphicsPipelineUnique( PipelineCache pipelineCache, const GraphicsPipelineCreateInfo & createInfo, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -28714,9 +28714,9 @@ public:
     template <typename Allocator = std::allocator<Pipeline>, typename Dispatch = DispatchLoaderStatic> 
     ResultValueType<Pipeline>::type createComputePipeline( PipelineCache pipelineCache, const ComputePipelineCreateInfo & createInfo, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
 #ifndef VULKAN_HPP_NO_SMART_HANDLE
-    template <typename Allocator = std::allocator<Pipeline>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniquePipeline>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<UniquePipeline,Allocator>>::type createComputePipelinesUnique( PipelineCache pipelineCache, ArrayProxy<const ComputePipelineCreateInfo> createInfos, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
-    template <typename Allocator = std::allocator<Pipeline>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniquePipeline>, typename Dispatch = DispatchLoaderStatic> 
     ResultValueType<UniquePipeline>::type createComputePipelineUnique( PipelineCache pipelineCache, const ComputePipelineCreateInfo & createInfo, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -28814,7 +28814,7 @@ public:
     template <typename Allocator = std::allocator<DescriptorSet>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<DescriptorSet,Allocator>>::type allocateDescriptorSets( const DescriptorSetAllocateInfo & allocateInfo, Dispatch const &d = Dispatch() ) const;
 #ifndef VULKAN_HPP_NO_SMART_HANDLE
-    template <typename Allocator = std::allocator<DescriptorSet>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniqueDescriptorSet>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<UniqueDescriptorSet,Allocator>>::type allocateDescriptorSetsUnique( const DescriptorSetAllocateInfo & allocateInfo, Dispatch const &d = Dispatch() ) const;
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -28908,7 +28908,7 @@ public:
     template <typename Allocator = std::allocator<CommandBuffer>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<CommandBuffer,Allocator>>::type allocateCommandBuffers( const CommandBufferAllocateInfo & allocateInfo, Dispatch const &d = Dispatch() ) const;
 #ifndef VULKAN_HPP_NO_SMART_HANDLE
-    template <typename Allocator = std::allocator<CommandBuffer>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniqueCommandBuffer>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<UniqueCommandBuffer,Allocator>>::type allocateCommandBuffersUnique( const CommandBufferAllocateInfo & allocateInfo, Dispatch const &d = Dispatch() ) const;
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -28928,9 +28928,9 @@ public:
     template <typename Allocator = std::allocator<SwapchainKHR>, typename Dispatch = DispatchLoaderStatic> 
     ResultValueType<SwapchainKHR>::type createSharedSwapchainKHR( const SwapchainCreateInfoKHR & createInfo, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
 #ifndef VULKAN_HPP_NO_SMART_HANDLE
-    template <typename Allocator = std::allocator<SwapchainKHR>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniqueSwapchainKHR>, typename Dispatch = DispatchLoaderStatic> 
     typename ResultValueType<std::vector<UniqueSwapchainKHR,Allocator>>::type createSharedSwapchainsKHRUnique( ArrayProxy<const SwapchainCreateInfoKHR> createInfos, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
-    template <typename Allocator = std::allocator<SwapchainKHR>, typename Dispatch = DispatchLoaderStatic> 
+    template <typename Allocator = std::allocator<UniqueSwapchainKHR>, typename Dispatch = DispatchLoaderStatic> 
     ResultValueType<UniqueSwapchainKHR>::type createSharedSwapchainKHRUnique( const SwapchainCreateInfoKHR & createInfo, Optional<const AllocationCallbacks> allocator = nullptr, Dispatch const &d = Dispatch() ) const;
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -30779,18 +30779,19 @@ public:
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE typename ResultValueType<std::vector<UniquePipeline,Allocator>>::type Device::createGraphicsPipelinesUnique( PipelineCache pipelineCache, ArrayProxy<const GraphicsPipelineCreateInfo> createInfos, Optional<const AllocationCallbacks> allocator, Dispatch const &d ) const
   {
-    std::vector<Pipeline,Allocator> pipelines( createInfos.size() );
+    static_assert( sizeof( Pipeline ) <= sizeof( UniquePipeline ), "Pipeline is greater than UniquePipeline!" );
-    Result result = static_cast<Result>( d.vkCreateGraphicsPipelines( m_device, static_cast<VkPipelineCache>( pipelineCache ), createInfos.size() , reinterpret_cast<const VkGraphicsPipelineCreateInfo*>( createInfos.data() ), reinterpret_cast<const VkAllocationCallbacks*>( static_cast<const AllocationCallbacks*>( allocator ) ), reinterpret_cast<VkPipeline*>( pipelines.data() ) ) );
+    std::vector<UniquePipeline, Allocator> pipelines;
+    pipelines.reserve( createInfos.size() );
+    Pipeline* buffer = reinterpret_cast<Pipeline*>( reinterpret_cast<char*>( pipelines.data() ) + createInfos.size() * ( sizeof( UniquePipeline ) - sizeof( Pipeline ) ) );
+    Result result = static_cast<Result>(d.vkCreateGraphicsPipelines( m_device, static_cast<VkPipelineCache>( pipelineCache ), createInfos.size() , reinterpret_cast<const VkGraphicsPipelineCreateInfo*>( createInfos.data() ), reinterpret_cast<const VkAllocationCallbacks*>( static_cast<const AllocationCallbacks*>( allocator ) ), reinterpret_cast<VkPipeline*>( buffer ) ) );
 
     PipelineDeleter deleter( *this, allocator );
-    std::vector<UniquePipeline> uniquePipelines;
+    for ( size_t i=0 ; i<createInfos.size() ; i++ )
-    uniquePipelines.reserve( pipelines.size() );
-    for ( auto const& pipeline : pipelines )
     {
-      uniquePipelines.push_back( UniquePipeline( pipeline, deleter ) );
+      pipelines.push_back( UniquePipeline( buffer[i], deleter ) );
     }
 
-    return createResultValue( result, uniquePipelines, "VULKAN_HPP_NAMESPACE::Device::createGraphicsPipelinesUnique" );
+    return createResultValue( result, pipelines, "VULKAN_HPP_NAMESPACE::Device::createGraphicsPipelinesUnique" );
   }
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE ResultValueType<UniquePipeline>::type Device::createGraphicsPipelineUnique( PipelineCache pipelineCache, const GraphicsPipelineCreateInfo & createInfo, Optional<const AllocationCallbacks> allocator, Dispatch const &d ) const
@@ -30828,18 +30829,19 @@ public:
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE typename ResultValueType<std::vector<UniquePipeline,Allocator>>::type Device::createComputePipelinesUnique( PipelineCache pipelineCache, ArrayProxy<const ComputePipelineCreateInfo> createInfos, Optional<const AllocationCallbacks> allocator, Dispatch const &d ) const
   {
-    std::vector<Pipeline,Allocator> pipelines( createInfos.size() );
+    static_assert( sizeof( Pipeline ) <= sizeof( UniquePipeline ), "Pipeline is greater than UniquePipeline!" );
-    Result result = static_cast<Result>( d.vkCreateComputePipelines( m_device, static_cast<VkPipelineCache>( pipelineCache ), createInfos.size() , reinterpret_cast<const VkComputePipelineCreateInfo*>( createInfos.data() ), reinterpret_cast<const VkAllocationCallbacks*>( static_cast<const AllocationCallbacks*>( allocator ) ), reinterpret_cast<VkPipeline*>( pipelines.data() ) ) );
+    std::vector<UniquePipeline, Allocator> pipelines;
+    pipelines.reserve( createInfos.size() );
+    Pipeline* buffer = reinterpret_cast<Pipeline*>( reinterpret_cast<char*>( pipelines.data() ) + createInfos.size() * ( sizeof( UniquePipeline ) - sizeof( Pipeline ) ) );
+    Result result = static_cast<Result>(d.vkCreateComputePipelines( m_device, static_cast<VkPipelineCache>( pipelineCache ), createInfos.size() , reinterpret_cast<const VkComputePipelineCreateInfo*>( createInfos.data() ), reinterpret_cast<const VkAllocationCallbacks*>( static_cast<const AllocationCallbacks*>( allocator ) ), reinterpret_cast<VkPipeline*>( buffer ) ) );
 
     PipelineDeleter deleter( *this, allocator );
-    std::vector<UniquePipeline> uniquePipelines;
+    for ( size_t i=0 ; i<createInfos.size() ; i++ )
-    uniquePipelines.reserve( pipelines.size() );
-    for ( auto const& pipeline : pipelines )
     {
-      uniquePipelines.push_back( UniquePipeline( pipeline, deleter ) );
+      pipelines.push_back( UniquePipeline( buffer[i], deleter ) );
     }
 
-    return createResultValue( result, uniquePipelines, "VULKAN_HPP_NAMESPACE::Device::createComputePipelinesUnique" );
+    return createResultValue( result, pipelines, "VULKAN_HPP_NAMESPACE::Device::createComputePipelinesUnique" );
   }
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE ResultValueType<UniquePipeline>::type Device::createComputePipelineUnique( PipelineCache pipelineCache, const ComputePipelineCreateInfo & createInfo, Optional<const AllocationCallbacks> allocator, Dispatch const &d ) const
@@ -31054,18 +31056,19 @@ public:
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE typename ResultValueType<std::vector<UniqueDescriptorSet,Allocator>>::type Device::allocateDescriptorSetsUnique( const DescriptorSetAllocateInfo & allocateInfo, Dispatch const &d ) const
   {
-    std::vector<DescriptorSet,Allocator> descriptorSets( allocateInfo.descriptorSetCount );
+    static_assert( sizeof( DescriptorSet ) <= sizeof( UniqueDescriptorSet ), "DescriptorSet is greater than UniqueDescriptorSet!" );
-    Result result = static_cast<Result>( d.vkAllocateDescriptorSets( m_device, reinterpret_cast<const VkDescriptorSetAllocateInfo*>( &allocateInfo ), reinterpret_cast<VkDescriptorSet*>( descriptorSets.data() ) ) );
+    std::vector<UniqueDescriptorSet, Allocator> descriptorSets;
+    descriptorSets.reserve( allocateInfo.descriptorSetCount );
+    DescriptorSet* buffer = reinterpret_cast<DescriptorSet*>( reinterpret_cast<char*>( descriptorSets.data() ) + allocateInfo.descriptorSetCount * ( sizeof( UniqueDescriptorSet ) - sizeof( DescriptorSet ) ) );
+    Result result = static_cast<Result>(d.vkAllocateDescriptorSets( m_device, reinterpret_cast<const VkDescriptorSetAllocateInfo*>( &allocateInfo ), reinterpret_cast<VkDescriptorSet*>( buffer ) ) );
 
     DescriptorSetDeleter deleter( *this, allocateInfo.descriptorPool );
-    std::vector<UniqueDescriptorSet> uniqueDescriptorSets;
+    for ( size_t i=0 ; i<allocateInfo.descriptorSetCount ; i++ )
-    uniqueDescriptorSets.reserve( descriptorSets.size() );
-    for ( auto const& descriptorSet : descriptorSets )
     {
-      uniqueDescriptorSets.push_back( UniqueDescriptorSet( descriptorSet, deleter ) );
+      descriptorSets.push_back( UniqueDescriptorSet( buffer[i], deleter ) );
     }
 
-    return createResultValue( result, uniqueDescriptorSets, "VULKAN_HPP_NAMESPACE::Device::allocateDescriptorSetsUnique" );
+    return createResultValue( result, descriptorSets, "VULKAN_HPP_NAMESPACE::Device::allocateDescriptorSetsUnique" );
   }
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -31261,18 +31264,19 @@ public:
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE typename ResultValueType<std::vector<UniqueCommandBuffer,Allocator>>::type Device::allocateCommandBuffersUnique( const CommandBufferAllocateInfo & allocateInfo, Dispatch const &d ) const
   {
-    std::vector<CommandBuffer,Allocator> commandBuffers( allocateInfo.commandBufferCount );
+    static_assert( sizeof( CommandBuffer ) <= sizeof( UniqueCommandBuffer ), "CommandBuffer is greater than UniqueCommandBuffer!" );
-    Result result = static_cast<Result>( d.vkAllocateCommandBuffers( m_device, reinterpret_cast<const VkCommandBufferAllocateInfo*>( &allocateInfo ), reinterpret_cast<VkCommandBuffer*>( commandBuffers.data() ) ) );
+    std::vector<UniqueCommandBuffer, Allocator> commandBuffers;
+    commandBuffers.reserve( allocateInfo.commandBufferCount );
+    CommandBuffer* buffer = reinterpret_cast<CommandBuffer*>( reinterpret_cast<char*>( commandBuffers.data() ) + allocateInfo.commandBufferCount * ( sizeof( UniqueCommandBuffer ) - sizeof( CommandBuffer ) ) );
+    Result result = static_cast<Result>(d.vkAllocateCommandBuffers( m_device, reinterpret_cast<const VkCommandBufferAllocateInfo*>( &allocateInfo ), reinterpret_cast<VkCommandBuffer*>( buffer ) ) );
 
     CommandBufferDeleter deleter( *this, allocateInfo.commandPool );
-    std::vector<UniqueCommandBuffer> uniqueCommandBuffers;
+    for ( size_t i=0 ; i<allocateInfo.commandBufferCount ; i++ )
-    uniqueCommandBuffers.reserve( commandBuffers.size() );
-    for ( auto const& commandBuffer : commandBuffers )
     {
-      uniqueCommandBuffers.push_back( UniqueCommandBuffer( commandBuffer, deleter ) );
+      commandBuffers.push_back( UniqueCommandBuffer( buffer[i], deleter ) );
     }
 
-    return createResultValue( result, uniqueCommandBuffers, "VULKAN_HPP_NAMESPACE::Device::allocateCommandBuffersUnique" );
+    return createResultValue( result, commandBuffers, "VULKAN_HPP_NAMESPACE::Device::allocateCommandBuffersUnique" );
   }
 #endif /*VULKAN_HPP_NO_SMART_HANDLE*/
 #endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
@@ -31314,18 +31318,19 @@ public:
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE typename ResultValueType<std::vector<UniqueSwapchainKHR,Allocator>>::type Device::createSharedSwapchainsKHRUnique( ArrayProxy<const SwapchainCreateInfoKHR> createInfos, Optional<const AllocationCallbacks> allocator, Dispatch const &d ) const
   {
-    std::vector<SwapchainKHR,Allocator> swapchains( createInfos.size() );
+    static_assert( sizeof( SwapchainKHR ) <= sizeof( UniqueSwapchainKHR ), "SwapchainKHR is greater than UniqueSwapchainKHR!" );
-    Result result = static_cast<Result>( d.vkCreateSharedSwapchainsKHR( m_device, createInfos.size() , reinterpret_cast<const VkSwapchainCreateInfoKHR*>( createInfos.data() ), reinterpret_cast<const VkAllocationCallbacks*>( static_cast<const AllocationCallbacks*>( allocator ) ), reinterpret_cast<VkSwapchainKHR*>( swapchains.data() ) ) );
+    std::vector<UniqueSwapchainKHR, Allocator> swapchainKHRs;
+    swapchainKHRs.reserve( createInfos.size() );
+    SwapchainKHR* buffer = reinterpret_cast<SwapchainKHR*>( reinterpret_cast<char*>( swapchainKHRs.data() ) + createInfos.size() * ( sizeof( UniqueSwapchainKHR ) - sizeof( SwapchainKHR ) ) );
+    Result result = static_cast<Result>(d.vkCreateSharedSwapchainsKHR( m_device, createInfos.size() , reinterpret_cast<const VkSwapchainCreateInfoKHR*>( createInfos.data() ), reinterpret_cast<const VkAllocationCallbacks*>( static_cast<const AllocationCallbacks*>( allocator ) ), reinterpret_cast<VkSwapchainKHR*>( buffer ) ) );
 
     SwapchainKHRDeleter deleter( *this, allocator );
-    std::vector<UniqueSwapchainKHR> uniqueSwapchains;
+    for ( size_t i=0 ; i<createInfos.size() ; i++ )
-    uniqueSwapchains.reserve( swapchains.size() );
-    for ( auto const& swapchain : swapchains )
     {
-      uniqueSwapchains.push_back( UniqueSwapchainKHR( swapchain, deleter ) );
+      swapchainKHRs.push_back( UniqueSwapchainKHR( buffer[i], deleter ) );
     }
 
-    return createResultValue( result, uniqueSwapchains, "VULKAN_HPP_NAMESPACE::Device::createSharedSwapchainsKHRUnique" );
+    return createResultValue( result, swapchainKHRs, "VULKAN_HPP_NAMESPACE::Device::createSharedSwapchainsKHRUnique" );
   }
   template <typename Allocator, typename Dispatch> 
   VULKAN_HPP_INLINE ResultValueType<UniqueSwapchainKHR>::type Device::createSharedSwapchainKHRUnique( const SwapchainCreateInfoKHR & createInfo, Optional<const AllocationCallbacks> allocator, Dispatch const &d ) const