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VulkanHppGenerator.cpp
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// Copyright(c) 2015-2020, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "VulkanHppGenerator.hpp"
#include "XMLHelper.hpp"
#include <algorithm>
#include <array>
#include <cassert>
#include <fstream>
#include <future>
#include <regex>
#include <sstream>
using namespace std::literals;
namespace
{
std::vector<std::pair<std::string, size_t>> filterNumbers( std::vector<std::string> const & names );
template <typename T>
typename std::vector<T>::iterator findByName( std::vector<T> & values, std::string const & name );
template <typename T>
typename std::map<std::string, T>::const_iterator findByNameOrAlias( std::map<std::string, T> const & values, std::string const & name );
template <typename T>
typename std::map<std::string, T>::iterator findByNameOrAlias( std::map<std::string, T> & values, std::string const & name );
template <typename T>
typename std::vector<T>::const_iterator findByNameOrAlias( std::vector<T> const & values, std::string const & name );
template <typename T>
typename std::vector<T>::iterator findByNameOrAlias( std::vector<T> & values, std::string const & name );
std::string generateCArraySizes( std::vector<std::string> const & sizes );
std::string generateList( std::vector<std::string> const & elements, std::string const & prefix, std::string const & separator );
std::string generateNamespacedType( std::string const & type );
std::string generateNoDiscard( bool returnsSomething, bool multiSuccessCodes, bool multiErrorCodes );
std::string generateStandardArray( std::string const & type, std::vector<std::string> const & sizes );
bool isAllUpper( std::string const & name );
VulkanHppGenerator::MacroData parseMacro( std::vector<std::string> const & completeMacro );
std::string readSnippet( std::string const & snippetFile );
std::string startLowerCase( std::string const & input );
std::string startUpperCase( std::string const & input );
std::vector<std::string> tokenizeAny( std::string const & tokenString, std::string const & separators );
} // namespace
void writeToFile( std::string const & str, std::string const & fileName );
const std::set<std::string> specialPointerTypes = { "Display", "IDirectFB", "wl_display", "xcb_connection_t", "_screen_window", "VkExportMetalObjectsInfoEXT" };
//
// VulkanHppGenerator public interface
//
VulkanHppGenerator::VulkanHppGenerator( tinyxml2::XMLDocument const & document, std::string const & api ) : m_api( api )
{
// insert the default "handle" without class (for createInstance, and such)
m_handles.insert( { "", {} } );
// read the document and check its correctness
const int line = document.GetLineNum();
std::vector<tinyxml2::XMLElement const *> elements = getChildElements( &document );
checkElements( line, elements, { { "registry", true } } );
checkForError( elements.size() == 1, line, "encountered " + std::to_string( elements.size() ) + " elements named <registry> but only one is allowed" );
readRegistry( elements[0] );
filterLenMembers();
checkCorrectness();
handleRemovals();
// add the commands to the respective handles
// some "FlagBits" enums are not specified, but needed for our "Flags" handling -> add them here
for ( auto & feature : m_features )
{
addCommandsToHandle( feature.requireData );
addMissingFlagBits( feature.requireData, feature.name );
}
for ( auto & extension : m_extensions )
{
addCommandsToHandle( extension.requireData );
addMissingFlagBits( extension.requireData, extension.name );
}
m_definesPartition = partitionDefines( m_defines );
}
void VulkanHppGenerator::distributeSecondLevelCommands()
{
// distribute commands from instance/device to second-level handles, like Queue, Event,... for RAII handles
for ( auto & handle : m_handles )
{
if ( !handle.first.empty() )
{
for ( auto command = handle.second.commands.begin(); command != handle.second.commands.end(); )
{
bool foundCommand = false;
if ( !m_RAIISpecialFunctions.contains( *command ) )
{
auto commandIt = findByNameOrAlias( m_commands, *command );
assert( commandIt != m_commands.end() );
assert( commandIt->second.params.front().type.type == handle.first );
if ( ( 1 < commandIt->second.params.size() ) && ( isHandleType( commandIt->second.params[1].type.type ) ) && !commandIt->second.params[1].optional )
{
auto handleIt = m_handles.find( commandIt->second.params[1].type.type );
assert( handleIt != m_handles.end() );
// filter out functions seem to fit due to taking handles as first and second argument, but the first argument is not the
// type to create the second one, and so it's unknown to the raii handle!
assert( !handleIt->second.constructorIts.empty() );
if ( ( *handleIt->second.constructorIts.begin() )->second.handle == handle.first )
{
assert( std::ranges::none_of( handleIt->second.constructorIts,
[&handle]( auto const & constructorIt ) { return constructorIt->second.handle != handle.first; } ) );
handleIt->second.secondLevelCommands.insert( *command );
command = handle.second.commands.erase( command );
foundCommand = true;
}
}
}
if ( !foundCommand )
{
++command;
}
}
}
}
}
void VulkanHppGenerator::generateEnumsHppFile() const
{
std::string const vulkan_enums_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_enums.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_enums_hpp + " ...\n" );
std::string const vulkanEnumsHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_ENUMS_HPP
# define VULKAN_ENUMS_HPP
// include-what-you-use: make sure, vulkan.hpp is used by code-completers
// IWYU pragma: private; include "vulkan.hpp"
namespace VULKAN_HPP_NAMESPACE
{
${Flags}
${enums}
${objectTypeToDebugReportObjectType}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanEnumsHppTemplate,
{ { "enums", generateEnums() },
{ "Flags", readSnippet( "Flags.hpp" ) },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "objectTypeToDebugReportObjectType", generateObjectTypeToDebugReportObjectType() } } );
writeToFile( str, vulkan_enums_hpp );
}
void VulkanHppGenerator::generateExtensionInspectionFile() const
{
std::string const vulkan_extension_inspection_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_extension_inspection.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_extension_inspection_hpp + " ...\n" );
std::string const vulkanExtensionInspectionHppTemplate = readSnippet( "ExtensionInspection.hpp" );
std::string const deprecatedExtensions = generateReplacedExtensionsList( []( ExtensionData const & extension ) { return extension.isDeprecated; },
[]( ExtensionData const & extension ) { return extension.deprecatedBy; } );
std::string const deprecatedBy = generateExtensionReplacedBy( []( ExtensionData const & extension ) { return extension.isDeprecated; },
[]( ExtensionData const & extension ) { return extension.deprecatedBy; } );
std::string const obsoletedBy = generateExtensionReplacedBy( []( ExtensionData const & extension ) { return !extension.obsoletedBy.empty(); },
[]( ExtensionData const & extension ) { return extension.obsoletedBy; } );
std::string const obsoletedExtensions = generateReplacedExtensionsList( []( ExtensionData const & extension ) { return !extension.obsoletedBy.empty(); },
[]( ExtensionData const & extension ) { return extension.obsoletedBy; } );
std::string const promotedExtensions = generateReplacedExtensionsList( []( ExtensionData const & extension ) { return !extension.promotedTo.empty(); },
[]( ExtensionData const & extension ) { return extension.promotedTo; } );
std::string const promotedTo = generateExtensionReplacedBy( []( ExtensionData const & extension ) { return !extension.promotedTo.empty(); },
[]( ExtensionData const & extension ) { return extension.promotedTo; } );
std::string versions;
for ( auto const & feature : m_features )
{
versions += "\"" + feature.name + "\", ";
}
assert( versions.ends_with( ", " ) );
versions = versions.substr( 0, versions.length() - 2 );
std::string str =
replaceWithMap( vulkanExtensionInspectionHppTemplate,
{ { "api", m_api },
{ "deprecatedExtensions", deprecatedExtensions },
{ "deviceExtensions", generateExtensionsList( "device" ) },
{ "deviceTest", generateExtensionTypeTest( "device" ) },
{ "deprecatedBy", deprecatedBy },
{ "deprecatedTest", generateExtensionReplacedTest( []( ExtensionData const & extension ) { return extension.isDeprecated; } ) },
{ "extensionDependencies", generateExtensionDependencies() },
{ "instanceExtensions", generateExtensionsList( "instance" ) },
{ "instanceTest", generateExtensionTypeTest( "instance" ) },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "obsoletedBy", obsoletedBy },
{ "obsoletedExtensions", obsoletedExtensions },
{ "obsoletedTest", generateExtensionReplacedTest( []( ExtensionData const & extension ) { return !extension.obsoletedBy.empty(); } ) },
{ "promotedExtensions", promotedExtensions },
{ "promotedTest", generateExtensionReplacedTest( []( ExtensionData const & extension ) { return !extension.promotedTo.empty(); } ) },
{ "promotedTo", promotedTo },
{ "versions", versions },
{ "voidExtension", ( m_api == "vulkan" ) ? "" : "(void)extension;" } } );
writeToFile( str, vulkan_extension_inspection_hpp );
}
void VulkanHppGenerator::generateFormatTraitsHppFile() const
{
std::string const vulkan_format_traits_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_format_traits.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_format_traits_hpp + " ...\n" );
std::string const vulkanFormatTraitsHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_FORMAT_TRAITS_HPP
# define VULKAN_FORMAT_TRAITS_HPP
#include <vulkan/${api}.hpp>
namespace VULKAN_HPP_NAMESPACE
{
${formatTraits}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanFormatTraitsHppTemplate,
{ { "api", m_api }, { "formatTraits", generateFormatTraits() }, { "licenseHeader", m_vulkanLicenseHeader } } );
writeToFile( str, vulkan_format_traits_hpp );
}
void VulkanHppGenerator::generateFuncsHppFile() const
{
std::string const vulkan_funcs_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_funcs.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_funcs_hpp + " ...\n" );
std::string const vulkanFuncsHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_FUNCS_HPP
# define VULKAN_FUNCS_HPP
// include-what-you-use: make sure, vulkan.hpp is used by code-completers
// IWYU pragma: private; include "vulkan.hpp"
namespace VULKAN_HPP_NAMESPACE
{
${commandDefinitions}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str =
replaceWithMap( vulkanFuncsHppTemplate, { { "commandDefinitions", generateCommandDefinitions() }, { "licenseHeader", m_vulkanLicenseHeader } } );
writeToFile( str, vulkan_funcs_hpp );
}
void VulkanHppGenerator::generateHandlesHppFile() const
{
std::string const vulkan_handles_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_handles.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_handles_hpp + " ...\n" );
std::string str = replaceWithMap( readSnippet( "HandlesTemplate.hpp" ),
{
{ "funcPointerReturns", generateFuncPointerReturns() },
{ "handles", generateHandles() },
{ "handleForwardDeclarations", generateHandleForwardDeclarations() },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "structForwardDeclarations", generateStructForwardDeclarations() },
{ "uniqueHandles", generateUniqueHandles() },
} );
writeToFile( str, vulkan_handles_hpp );
}
void VulkanHppGenerator::generateHashHppFile() const
{
std::string const vulkan_hash_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_hash.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_hash_hpp + " ...\n" );
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_HASH_HPP
# define VULKAN_HASH_HPP
#include <vulkan/${api}.hpp>
namespace std
{
//=======================================
//=== HASH structures for Flags types ===
//=======================================
template <typename BitType>
struct hash<VULKAN_HPP_NAMESPACE::Flags<BitType>>
{
std::size_t operator()( VULKAN_HPP_NAMESPACE::Flags<BitType> const & flags ) const VULKAN_HPP_NOEXCEPT
{
return std::hash<typename std::underlying_type<BitType>::type>{}(
static_cast<typename std::underlying_type<BitType>::type>( flags ) );
}
};
${handleHashStructures}
${structHashStructures}
} // namespace std
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{ { "api", m_api },
{ "handleHashStructures", generateHandleHashStructures() },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "structHashStructures", generateStructHashStructures() } } );
writeToFile( str, vulkan_hash_hpp );
}
void VulkanHppGenerator::generateHppFile() const
{
std::string const vulkan_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + ".hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_hpp + " ...\n" );
std::string str = replaceWithMap(
readSnippet( "HppFileTemplate.hpp" ),
{ { "api", m_api },
{ "ArrayProxy", readSnippet( "ArrayProxy.hpp" ) },
{ "ArrayProxyNoTemporaries", readSnippet( "ArrayProxyNoTemporaries.hpp" ) },
{ "ArrayWrapper1D", readSnippet( "ArrayWrapper1D.hpp" ) },
{ "ArrayWrapper2D", readSnippet( "ArrayWrapper2D.hpp" ) },
{ "baseTypes", generateBaseTypes() },
{ "constexprDefines", generateConstexprDefines() },
{ "defines", readSnippet( "defines.hpp" ) },
{ "DispatchLoaderBase", readSnippet( "DispatchLoaderBase.hpp" ) },
{ "DispatchLoaderDynamic", generateDispatchLoaderDynamic() },
{ "DispatchLoaderStatic", generateDispatchLoaderStatic() },
{ "DynamicLoader", readSnippet( "DynamicLoader.hpp" ) },
{ "Exceptions", readSnippet( "Exceptions.hpp" ) },
{ "Exchange", readSnippet( "Exchange.hpp" ) },
{ "headerVersion", m_version },
{ "includes", replaceWithMap( readSnippet( "includes.hpp" ), { { "vulkan_h", ( m_api == "vulkan" ) ? "vulkan.h" : "vulkan_sc_core.h" } } ) },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "ObjectDestroy", readSnippet( "ObjectDestroy.hpp" ) },
{ "ObjectFree", readSnippet( "ObjectFree.hpp" ) },
{ "ObjectRelease", readSnippet( "ObjectRelease.hpp" ) },
{ "Optional", readSnippet( "Optional.hpp" ) },
{ "PoolFree", readSnippet( "PoolFree.hpp" ) },
{ "resultChecks", readSnippet( "resultChecks.hpp" ) },
{ "resultExceptions", generateResultExceptions() },
{ "structExtendsStructs", generateStructExtendsStructs() },
{ "ResultValue", readSnippet( "ResultValue.hpp" ) },
{ "StridedArrayProxy", readSnippet( "StridedArrayProxy.hpp" ) },
{ "StructureChain", readSnippet( "StructureChain.hpp" ) },
{ "throwResultException", generateThrowResultException() },
{ "UniqueHandle", readSnippet( "UniqueHandle.hpp" ) } } );
writeToFile( str, vulkan_hpp );
}
void VulkanHppGenerator::generateMacrosFile() const
{
std::string const macros_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_hpp_macros.hpp";
messager.message( "VulkanHppGenerator: Generating " + macros_hpp + " ...\n" );
std::string const macrosTemplate = R"(${licenseHeader}
#ifndef VULKAN_HPP_MACROS_HPP
#define VULKAN_HPP_MACROS_HPP
${macros}
#endif)";
std::string str =
replaceWithMap( macrosTemplate,
{ { "licenseHeader", m_vulkanLicenseHeader },
{ "macros",
replaceWithMap( readSnippet( "macros.hpp" ),
{ { "vulkan_hpp", m_api + ".hpp" },
{ "vulkan_64_bit_ptr_defines", m_defines.at( "VK_USE_64_BIT_PTR_DEFINES" ).possibleDefinition } } ) } } );
writeToFile( str, macros_hpp );
}
void VulkanHppGenerator::generateRAIIHppFile() const
{
std::string const vulkan_raii_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_raii.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_raii_hpp + " ...\n" );
std::string str = replaceWithMap( readSnippet( "RAIIHppFileTemplate.hpp" ),
{ { "api", m_api },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "RAIICommandDefinitions", generateRAIICommandDefinitions() },
{ "RAIIDispatchers", generateRAIIDispatchers() },
{ "RAIIHandles", generateRAIIHandles() } } );
writeToFile( str, vulkan_raii_hpp );
}
void VulkanHppGenerator::generateSharedHppFile() const
{
std::string const vulkan_shared_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_shared.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_shared_hpp + " ...\n" );
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_SHARED_HPP
#define VULKAN_SHARED_HPP
#include <vulkan/${api}.hpp>
#if !( defined( VULKAN_HPP_ENABLE_STD_MODULE ) && defined( VULKAN_HPP_STD_MODULE ) )
#include <atomic> // std::atomic_size_t
#endif
namespace VULKAN_HPP_NAMESPACE
{
#if !defined( VULKAN_HPP_NO_SMART_HANDLE )
${sharedHandle}
namespace detail
{
${sharedDestroy}
}
${sharedHandles}
${sharedHandleSpecializations}
${sharedHandlesNoDestroy}
#endif // !VULKAN_HPP_NO_SMART_HANDLE
} // namespace VULKAN_HPP_NAMESPACE
#endif // VULKAN_SHARED_HPP
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{
{ "api", m_api },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "sharedDestroy", readSnippet( "SharedDestroy.hpp" ) },
{ "sharedHandle", readSnippet( "SharedHandle.hpp" ) },
{ "sharedHandles", generateSharedHandles() },
{ "sharedHandlesNoDestroy", generateSharedHandlesNoDestroy() },
{ "sharedHandleSpecializations", readSnippet( "SharedHandleSpecializations.hpp" ) },
} );
writeToFile( str, vulkan_shared_hpp );
}
void VulkanHppGenerator::generateStaticAssertionsHppFile() const
{
std::string const static_assertions_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_static_assertions.hpp";
messager.message( "VulkanHppGenerator: Generating " + static_assertions_hpp + " ...\n" );
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_STATIC_ASSERTIONS_HPP
# define VULKAN_STATIC_ASSERTIONS_HPP
#include <vulkan/${api}.hpp>
//=========================
//=== static_assertions ===
//=========================
${staticAssertions}
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{ { "api", m_api }, { "licenseHeader", m_vulkanLicenseHeader }, { "staticAssertions", generateStaticAssertions() } } );
writeToFile( str, static_assertions_hpp );
}
void VulkanHppGenerator::generateStructsHppFile() const
{
std::string const vulkan_structs_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_structs.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_structs_hpp + " ...\n" );
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_STRUCTS_HPP
# define VULKAN_STRUCTS_HPP
// include-what-you-use: make sure, vulkan.hpp is used by code-completers
// IWYU pragma: private; include "vulkan.hpp"
#include <cstring> // strcmp
namespace VULKAN_HPP_NAMESPACE
{
${structs}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate, { { "licenseHeader", m_vulkanLicenseHeader }, { "structs", generateStructs() } } );
writeToFile( str, vulkan_structs_hpp );
}
void VulkanHppGenerator::generateToStringHppFile() const
{
std::string const vulkan_to_string_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_to_string.hpp";
messager.message( "VulkanHppGenerator: Generating " + vulkan_to_string_hpp + " ...\n" );
std::string str = replaceWithMap( readSnippet( "ToStringHppFileTemplate.hpp" ),
{ { "api", m_api },
{ "bitmasksToString", generateBitmasksToString() },
{ "enumsToString", generateEnumsToString() },
{ "licenseHeader", m_vulkanLicenseHeader } } );
writeToFile( str, vulkan_to_string_hpp );
}
void VulkanHppGenerator::generateCppModuleFile() const
{
std::string const vulkan_cppm = std::string( BASE_PATH ) + "/vulkan/" + m_api + ".cppm";
messager.message( "VulkanHppGenerator: Generating " + vulkan_cppm + " ...\n" );
auto const str = replaceWithMap( readSnippet( "CppModuleFileTemplate.hpp" ),
{ { "api", m_api },
{ "hashSpecializations", generateCppModuleHashSpecializations() },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "raiiUsings", generateCppModuleRaiiUsings() },
{ "usings", generateCppModuleUsings() } } );
writeToFile( str, vulkan_cppm );
}
void VulkanHppGenerator::prepareRAIIHandles()
{
// filter out functions that are not usefull on this level of abstraction (like vkGetInstanceProcAddr)
// and all the destruction functions, as they are used differently
assert( m_handles.begin()->first.empty() );
for ( auto handleIt = std::next( m_handles.begin() ); handleIt != m_handles.end(); ++handleIt )
{
handleIt->second.destructorIt = determineRAIIHandleDestructor( handleIt->first );
if ( handleIt->second.destructorIt != m_commands.end() )
{
m_RAIISpecialFunctions.insert( handleIt->second.destructorIt->first );
}
handleIt->second.constructorIts = determineRAIIHandleConstructors( handleIt->first, handleIt->second.destructorIt );
}
}
//
// VulkanHppGenerator private interface
//
void VulkanHppGenerator::addCommand( std::string const & name, CommandData & commandData )
{
// find the handle this command is going to be associated to
checkForError( !commandData.params.empty(), commandData.xmlLine, "command <" + name + "> with no params" );
auto handleIt = m_handles.find( commandData.params[0].type.type );
if ( handleIt == m_handles.end() )
{
handleIt = m_handles.begin();
assert( handleIt->first == "" );
}
commandData.handle = handleIt->first;
// add this command to the list of commands
checkForError( m_commands.insert( { name, commandData } ).second, commandData.xmlLine, "already encountered command <" + name + ">" );
}
void VulkanHppGenerator::addCommandsToHandle( std::vector<RequireData> const & requireData )
{
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
auto commandIt = findByNameOrAlias( m_commands, command.name );
assert( commandIt != m_commands.end() );
auto handleIt = m_handles.find( commandIt->second.handle );
assert( handleIt != m_handles.end() );
if ( !handleIt->second.commands.contains( command.name ) )
{
handleIt->second.commands.insert( command.name );
registerDeleter( command.name, commandIt->second );
}
}
}
}
void VulkanHppGenerator::addMissingFlagBits( std::vector<RequireData> & requireData, std::string const & requiredBy )
{
for ( auto & require : requireData )
{
std::vector<NameLine> newTypes;
for ( auto const & type : require.types )
{
auto bitmaskIt = m_bitmasks.find( type.name );
if ( bitmaskIt != m_bitmasks.end() )
{
if ( bitmaskIt->second.require.empty() )
{
// generate the flagBits enum name out of the bitmask name: VkFooFlagsXXX -> VkFooFlagBitsXXX
const size_t pos = bitmaskIt->first.find( "Flags" );
assert( pos != std::string::npos );
std::string flagBits = bitmaskIt->first.substr( 0, pos + 4 ) + "Bit" + bitmaskIt->first.substr( pos + 4 );
bitmaskIt->second.require = flagBits;
// some flagsBits are specified but never listed as required for any flags!
// so, even if this bitmask has no enum listed as required, it might still already exist in the enums list
auto enumIt = m_enums.find( flagBits );
if ( enumIt == m_enums.end() )
{
m_enums.insert( { flagBits, EnumData{ .isBitmask = true, .xmlLine = 0 } } );
assert( !m_types.contains( flagBits ) );
m_types.insert( { flagBits, TypeData{ TypeCategory::Bitmask, { requiredBy }, 0 } } );
}
else
{
assert( m_types.contains( flagBits ) );
enumIt->second.isBitmask = true;
}
}
if ( std::ranges::none_of( require.types, [bitmaskIt]( auto const & requireType ) { return requireType.name == bitmaskIt->second.require; } ) )
{
// this bitmask requires a flags type that is not listed in here, so add it
newTypes.push_back( { bitmaskIt->second.require, bitmaskIt->second.xmlLine } );
}
}
}
// add all the newly created flagBits types to the require list as if they had been part of the vk.xml!
require.types.insert( require.types.end(), newTypes.begin(), newTypes.end() );
}
}
std::string VulkanHppGenerator::addTitleAndProtection( std::string const & title, std::string const & strIf, std::string const & strElse ) const
{
std::string str;
if ( !strIf.empty() )
{
const auto [enter, leave] = generateProtection( getProtectFromTitle( title ) );
str = "\n" + enter + " //=== " + title + " ===\n" + strIf;
if ( !enter.empty() && !strElse.empty() )
{
str += "#else \n" + strElse;
}
str += leave;
}
return str;
}
bool VulkanHppGenerator::allVectorSizesSupported( std::vector<ParamData> const & params, std::map<size_t, VectorParamData> const & vectorParams ) const
{
// check if all vector sizes are by value and their type is one of "uint32_t", "VkDeviceSize", or "VkSampleCountFlagBits"
return std::ranges::all_of( vectorParams,
[¶ms]( auto const & vpi )
{
return params[vpi.second.lenParam].type.isValue() && ( ( params[vpi.second.lenParam].type.type == "uint32_t" ) ||
( params[vpi.second.lenParam].type.type == "VkDeviceSize" ) ||
( params[vpi.second.lenParam].type.type == "VkSampleCountFlagBits" ) );
} );
}
void VulkanHppGenerator::appendDispatchLoaderDynamicCommands( std::vector<RequireData> const & requireData,
std::set<std::string> & listedCommands,
std::string const & title,
std::string & commandMembers,
std::string & initialCommandAssignments,
std::string & instanceCommandAssignments,
std::string & deviceCommandAssignments ) const
{
std::string members, initial, instance, device, placeholders;
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
if ( listedCommands.insert( command.name ).second )
{
auto commandIt = findByNameOrAlias( m_commands, command.name );
assert( commandIt != m_commands.end() );
members += " PFN_" + command.name + " " + command.name + " = 0;\n";
placeholders += " PFN_dummy " + command.name + "_placeholder = 0;\n";
if ( commandIt->second.handle.empty() )
{
initial += generateDispatchLoaderDynamicCommandAssignment( command.name, commandIt->first, "NULL" );
}
else
{
instance += generateDispatchLoaderDynamicCommandAssignment( command.name, commandIt->first, "instance" );
if ( isDeviceCommand( commandIt->second ) )
{
device += generateDispatchLoaderDynamicCommandAssignment( command.name, commandIt->first, "device" );
}
}
}
}
}
const auto [enter, leave] = generateProtection( getProtectFromTitle( title ) );
std::string header = "\n" + enter + " //=== " + title + " ===\n";
if ( !members.empty() )
{
commandMembers += header + members;
if ( !enter.empty() )
{
commandMembers += "#else\n" + placeholders;
}
commandMembers += leave;
}
if ( !initial.empty() )
{
initialCommandAssignments += header + initial + leave;
}
if ( !instance.empty() )
{
instanceCommandAssignments += header + instance + leave;
}
if ( !device.empty() )
{
deviceCommandAssignments += header + device + leave;
}
}
void VulkanHppGenerator::appendRAIIDispatcherCommands( std::vector<RequireData> const & requireData,
std::set<std::string> & listedCommands,
std::string const & title,
std::string & contextInitializers,
std::string & contextMembers,
std::string & deviceAssignments,
std::string & deviceMembers,
std::string & instanceAssignments,
std::string & instanceMembers ) const
{
std::string ci, cm, da, dm, dmp, ia, im, imp;
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
if ( listedCommands.insert( command.name ).second )
{
auto commandIt = findByNameOrAlias( m_commands, command.name );
if ( commandIt->second.handle.empty() )
{
ci += ", " + command.name + "( PFN_" + command.name + "( getProcAddr( NULL, \"" + command.name + "\" ) ) )";
cm += " PFN_" + command.name + " " + command.name + " = 0;\n";
}
else if ( ( commandIt->second.handle == "VkDevice" ) || hasParentHandle( commandIt->second.handle, "VkDevice" ) )
{
da += " " + command.name + " = PFN_" + command.name + "( vkGetDeviceProcAddr( device, \"" + command.name + "\" ) );\n";
// if this is an alias'ed function, use it as a fallback for the original one
if ( command.name != commandIt->first )
{
da += " if ( !" + commandIt->first + " ) " + commandIt->first + " = " + command.name + ";\n";
}
dm += " PFN_" + command.name + " " + command.name + " = 0;\n";
dmp += " PFN_dummy " + command.name + "_placeholder = 0;\n";
}
else
{
assert( ( commandIt->second.handle == "VkInstance" ) || hasParentHandle( commandIt->second.handle, "VkInstance" ) );
// filter out vkGetInstanceProcAddr, as starting with Vulkan 1.2 it can resolve itself only (!) with an
// instance nullptr !
if ( command.name != "vkGetInstanceProcAddr" )
{
ia += " " + command.name + " = PFN_" + command.name + "( vkGetInstanceProcAddr( instance, \"" + command.name + "\" ) );\n";
// if this is an alias'ed function, use it as a fallback for the original one
if ( command.name != commandIt->first )
{
ia += " if ( !" + commandIt->first + " ) " + commandIt->first + " = " + command.name + ";\n";
}
}
im += +" PFN_" + command.name + " " + command.name + " = 0;\n";
imp += " PFN_dummy " + command.name + "_placeholder = 0;\n";
}
}
}
}
contextInitializers += addTitleAndProtection( title, ci );
contextMembers += addTitleAndProtection( title, cm );
deviceAssignments += addTitleAndProtection( title, da );
deviceMembers += addTitleAndProtection( title, dm, dmp );
instanceAssignments += addTitleAndProtection( title, ia );
instanceMembers += addTitleAndProtection( title, im, imp );
}
void VulkanHppGenerator::checkBitmaskCorrectness() const
{
for ( auto const & bitmask : m_bitmasks )
{
// check that a bitmask is required somewhere
// I think, it's not forbidden to not reference a bitmask, but it would probably be not intended?
auto typeIt = m_types.find( bitmask.first );
assert( typeIt != m_types.end() );
checkForError( !typeIt->second.requiredBy.empty(), bitmask.second.xmlLine, "bitmask <" + bitmask.first + "> not required in any feature or extension" );
// check that the requirement is an enum
if ( !bitmask.second.require.empty() )
{
auto requireTypeIt = m_types.find( bitmask.second.require );
checkForError(
requireTypeIt != m_types.end(), bitmask.second.xmlLine, "bitmask <" + bitmask.first + "> requires unknown type <" + bitmask.second.require + ">" );
checkForError( requireTypeIt->second.category == TypeCategory::Enum,
bitmask.second.xmlLine,
"bitmask <" + bitmask.first + "> requires non-enum type <" + bitmask.second.require + ">" );
assert( m_enums.contains( bitmask.second.require ) );
checkForError( !requireTypeIt->second.requiredBy.empty(),
bitmask.second.xmlLine,
"bitmask <" + bitmask.first + "> requires <" + bitmask.second.require + "> which is not required by any feature or extension!" );
}
}
}
void VulkanHppGenerator::checkCommandCorrectness() const
{
// prepare command checks by gathering all result codes (including aliases and not supported ones!) into one set of resultCodes
std::set<std::string> resultCodes = gatherResultCodes();
// command checks
for ( auto const & command : m_commands )
{
// check that a command is referenced somewhere
// I think, it's not forbidden to not reference a function, but it would probably be not intended?
checkForError( !command.second.requiredBy.empty(), command.second.xmlLine, "command <" + command.first + "> not required in any feature or extension" );
// check for unknown error or succes codes
for ( auto const & ec : command.second.errorCodes )
{
checkForError( resultCodes.contains( ec ), command.second.xmlLine, "command uses unknown error code <" + ec + ">" );
}
for ( auto const & sc : command.second.successCodes )
{
checkForError( resultCodes.contains( sc ), command.second.xmlLine, "command uses unknown success code <" + sc + ">" );
}
// check that functions returning a VkResult specify successcodes
if ( ( command.second.returnType == "VkResult" ) && command.second.successCodes.empty() )
{
// emit an error if this function is required in at least one supported feature or extension
// disabled or not supported features/extensions are still listed in requiredBy, but not in m_features/m_extensions
bool functionUsed = false;
for ( auto const & require : command.second.requiredBy )
{
functionUsed |= isSupportedFeature( require ) || isSupportedExtension( require );
}
if ( functionUsed )
{
checkForError( false, command.second.xmlLine, "missing successcodes on command <" + command.first + "> returning VkResult!" );
}
}
// check that all parameter types as well as the return type are known types
for ( auto const & p : command.second.params )
{
checkForError( m_types.contains( p.type.type ), p.xmlLine, "comand uses parameter of unknown type <" + p.type.type + ">" );
}
checkForError(
m_types.contains( command.second.returnType ), command.second.xmlLine, "command uses unknown return type <" + command.second.returnType + ">" );
}
}
void VulkanHppGenerator::checkCorrectness() const
{
checkForError( !m_vulkanLicenseHeader.empty(), -1, "missing license header" );
checkBitmaskCorrectness();
checkCommandCorrectness();
checkDefineCorrectness();
checkEnumCorrectness();
checkExtensionCorrectness();
checkFuncPointerCorrectness();
checkHandleCorrectness();
checkRequireCorrectness();
checkSpirVCapabilityCorrectness();
checkStructCorrectness();
checkSyncAccessCorrectness();
checkSyncStageCorrectness();
}
void VulkanHppGenerator::checkDefineCorrectness() const
{
// check that any requirements of a define is known
for ( auto const & d : m_defines )
{
checkForError( d.second.require.empty() || m_types.contains( d.second.require ),
d.second.xmlLine,
"define <" + d.first + "> uses unknown require <" + d.second.require + ">" );
}
}
void VulkanHppGenerator::checkEnumCorrectness() const
{
for ( auto const & e : m_enums )
{
// check that a bitmask is required somewhere
// some bitmasks are never required, so make this a warning only
auto typeIt = m_types.find( e.first );
assert( typeIt != m_types.end() );
checkForWarning( !typeIt->second.requiredBy.empty(), e.second.xmlLine, "enum <" + e.first + "> not required in any feature or extension" );
if ( e.second.isBitmask )
{
if ( std::ranges::any_of( e.second.values, []( auto const & v ) { return v.supported; } ) )
{
// check that any enum of a bitmask with supported values is listed as "require" or "bitvalues" for a bitmask
auto bitmaskIt = std::ranges::find_if( m_bitmasks, [&e]( auto const & bitmask ) { return bitmask.second.require == e.first; } );
checkForError( bitmaskIt != m_bitmasks.end(),
e.second.xmlLine,
"enum <" + e.first + "> is not listed as an requires or bitvalues for any bitmask in the types section" );
// check that bitwidth of the enum and type of the corresponding bitmask are equal
checkForError( ( e.second.bitwidth != "64" ) || ( bitmaskIt->second.type == "VkFlags64" ),
e.second.xmlLine,
"enum <" + e.first + "> is marked with bitwidth <64> but corresponding bitmask <" + bitmaskIt->first + "> is not of type <VkFlags64>" );
}
}
}
// special check for VkFormat
if ( !m_formats.empty() )
{
auto enumIt = m_enums.find( "VkFormat" );
assert( enumIt != m_enums.end() );
assert( enumIt->second.values.front().name == "VK_FORMAT_UNDEFINED" );
for ( auto enumValueIt = std::next( enumIt->second.values.begin() ); enumValueIt != enumIt->second.values.end(); ++enumValueIt )
{
checkForError( !enumValueIt->supported || m_formats.contains( enumValueIt->name ),
enumValueIt->xmlLine,
"missing format specification for <" + enumValueIt->name + ">" );
}
}
}
bool VulkanHppGenerator::checkEquivalentSingularConstructor( std::vector<std::map<std::string, CommandData>::const_iterator> const & constructorIts,
std::map<std::string, CommandData>::const_iterator constructorIt,
std::vector<ParamData>::const_iterator lenIt ) const
{
// check, if there is no singular constructor with the very same arguments as this array constructor
// (besides the size, of course)
auto isEquivalentSingularConstructor = [constructorIt, lenIt]( std::map<std::string, CommandData>::const_iterator it )
{
if ( it->second.params.size() + 1 != constructorIt->second.params.size() )
{
return false;
}
const size_t lenIdx = std::distance( constructorIt->second.params.begin(), lenIt );
for ( size_t i = 0, j = 0; i < it->second.params.size(); ++i, ++j )
{
assert( j < constructorIt->second.params.size() );
if ( j == lenIdx )
{
++j;
}
if ( it->second.params[i].type.type != constructorIt->second.params[j].type.type )
{
return false;
}
}
return true;
};
return ( std::ranges::any_of( constructorIts, isEquivalentSingularConstructor ) );
}
void VulkanHppGenerator::checkExtensionCorrectness() const
{
for ( auto const & extension : m_extensions )
{
// check for existence of any depends, deprecation, obsoletion, or promotion
for ( auto const & dep : extension.depends )
{
checkForError( isFeature( dep.first ), extension.xmlLine, "extension <" + extension.name + "> lists an unknown feature dependency <" + dep.first + ">" );
for ( auto depsIt = dep.second.begin(); depsIt != dep.second.end(); ++depsIt )
{
for ( auto const & d : *depsIt )
{
checkForError( isExtension( d ), extension.xmlLine, "extension <" + extension.name + "> lists an unknown extension dependency <" + d + ">" );
}
for ( auto nextDepsIt = std::next( depsIt ); nextDepsIt != dep.second.end(); ++nextDepsIt )
{
checkForError( *depsIt != *nextDepsIt, extension.xmlLine, "extension <" + extension.name + "> lists multiple identical dependencies" );
}
}
}
if ( !extension.deprecatedBy.empty() )
{
checkForError( isFeature( extension.deprecatedBy ) || isExtension( extension.deprecatedBy ),
extension.xmlLine,
"extension <" + extension.name + "> is deprecated by unknown extension/version <" + extension.deprecatedBy + ">" );
}
if ( !extension.obsoletedBy.empty() )
{
checkForError( isFeature( extension.obsoletedBy ) || isExtension( extension.obsoletedBy ),
extension.xmlLine,
"extension <" + extension.name + "> is obsoleted by unknown extension/version <" + extension.obsoletedBy + ">" );
}
if ( !extension.promotedTo.empty() )
{
checkForError( isFeature( extension.promotedTo ) || isExtension( extension.promotedTo ),
extension.xmlLine,
"extension <" + extension.name + "> is promoted to unknown extension/version <" + extension.promotedTo + ">" );