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Vulkan-Hpp/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 <regex>
#include <sstream>
void checkAttributes( int line,
std::map<std::string, std::string> const & attributes,
std::map<std::string, std::set<std::string>> const & required,
std::map<std::string, std::set<std::string>> const & optional );
void checkForError( bool condition, int line, std::string const & message );
void checkForWarning( bool condition, int line, std::string const & message );
std::vector<std::pair<std::string, size_t>> filterNumbers( std::vector<std::string> const & names );
std::string generateCArraySizes( std::vector<std::string> const & sizes );
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 );
std::string generateStandardArrayWrapper( std::string const & type, std::vector<std::string> const & sizes );
std::map<std::string, std::string> getAttributes( tinyxml2::XMLElement const * element );
template <typename ElementContainer>
std::vector<tinyxml2::XMLElement const *> getChildElements( ElementContainer const * element );
bool isAllUpper( std::string const & name );
bool isNumber( std::string const & name );
std::pair<std::vector<std::string>, std::string> readModifiers( tinyxml2::XMLNode const * node );
std::string readSnippet( std::string const & snippetFile );
std::string replaceWithMap( std::string const & input, std::map<std::string, std::string> replacements );
std::string startLowerCase( std::string const & input );
std::string startUpperCase( std::string const & input );
std::string stripPostfix( std::string const & value, std::string const & postfix );
std::string stripPrefix( std::string const & value, std::string const & prefix );
std::string toUpperCase( std::string const & name );
std::vector<std::string> tokenize( std::string const & tokenString, std::string const & separator );
std::vector<std::string> tokenizeAny( std::string const & tokenString, std::string const & separators );
std::string toString( tinyxml2::XMLError error );
std::string trim( std::string const & input );
std::string trimEnd( std::string const & input );
std::string trimStars( std::string const & input );
VulkanHppGenerator::MacroData parseMacro( std::vector<std::string> const & completeMacro );
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" };
//
// 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( std::make_pair( "", HandleData() ) );
// read the document and check its correctness
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::generateEnumsHppFile() const
{
std::string const vulkan_enums_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_enums.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_enums_hpp << " ..." << std::endl;
std::string const vulkanEnumsHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_ENUMS_HPP
# define VULKAN_ENUMS_HPP
namespace VULKAN_HPP_NAMESPACE
{
${Flags}
template <typename EnumType, EnumType value>
struct CppType
{};
${enums}
${indexTypeTraits}
${objectTypeToDebugReportObjectType}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanEnumsHppTemplate,
{ { "enums", generateEnums() },
{ "Flags", readSnippet( "Flags.hpp" ) },
{ "indexTypeTraits", generateIndexTypeTraits() },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "objectTypeToDebugReportObjectType", generateObjectTypeToDebugReportObjectType() } } );
writeToFile( str, vulkan_enums_hpp );
}
void VulkanHppGenerator::generateExtensionInspectionFile() const
{
std::string const vulkan_extension_inspection_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_extension_inspection.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_extension_inspection_hpp << " ..." << std::endl;
std::string const vulkanExtensionInspectionHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_EXTENSION_INSPECTION_HPP
# define VULKAN_EXTENSION_INSPECTION_HPP
#include <map>
#include <set>
#include <string>
#include <vector>
#include <vulkan/${api}.hpp>
namespace VULKAN_HPP_NAMESPACE
{
//======================================
//=== Extension inspection functions ===
//======================================
std::set<std::string> const & getDeviceExtensions();
std::set<std::string> const & getInstanceExtensions();
std::map<std::string, std::string> const & getDeprecatedExtensions();
std::map<std::string, std::vector<std::vector<std::string>>> const & getExtensionDepends( std::string const & extension );
${getExtensionDependsByVersionDeclaration}
std::map<std::string, std::string> const & getObsoletedExtensions();
std::map<std::string, std::string> const & getPromotedExtensions();
VULKAN_HPP_CONSTEXPR_20 std::string getExtensionDeprecatedBy( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 std::string getExtensionObsoletedBy( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 std::string getExtensionPromotedTo( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 bool isDeprecatedExtension( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 bool isDeviceExtension( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 bool isInstanceExtension( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 bool isObsoletedExtension( std::string const & extension );
VULKAN_HPP_CONSTEXPR_20 bool isPromotedExtension( std::string const & extension );
//=====================================================
//=== Extension inspection function implementations ===
//=====================================================
VULKAN_HPP_INLINE std::map<std::string, std::string> const & getDeprecatedExtensions()
{
static std::map<std::string, std::string> deprecatedExtensions = { ${deprecatedExtensions} };
return deprecatedExtensions;
}
VULKAN_HPP_INLINE std::set<std::string> const & getDeviceExtensions()
{
static std::set<std::string> deviceExtensions = { ${deviceExtensions} };
return deviceExtensions;
}
VULKAN_HPP_INLINE std::set<std::string> const & getInstanceExtensions()
{
static std::set<std::string> instanceExtensions = { ${instanceExtensions} };
return instanceExtensions;
}
VULKAN_HPP_INLINE std::map<std::string, std::vector<std::vector<std::string>>> const & getExtensionDepends( std::string const & extension )
{
static std::map<std::string, std::vector<std::vector<std::string>>> noDependencies;
static std::map<std::string, std::map<std::string, std::vector<std::vector<std::string>>>> dependencies = { ${extensionDependencies} };
auto depIt = dependencies.find( extension );
return ( depIt != dependencies.end() ) ? depIt->second : noDependencies;
}
${getExtensionDependsByVersionDefinition}
VULKAN_HPP_INLINE std::map<std::string, std::string> const & getObsoletedExtensions()
{
static std::map<std::string, std::string> obsoletedExtensions = { ${obsoletedExtensions} };
return obsoletedExtensions;
}
VULKAN_HPP_INLINE std::map<std::string, std::string> const & getPromotedExtensions()
{
static std::map<std::string, std::string> promotedExtensions = { ${promotedExtensions} };
return promotedExtensions;
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 std::string getExtensionDeprecatedBy( std::string const & extension )
{
${voidExtension}
${deprecatedBy}
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 std::string getExtensionObsoletedBy( std::string const & extension )
{
${voidExtension}
${obsoletedBy}
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 std::string getExtensionPromotedTo( std::string const & extension )
{
${promotedTo}
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 bool isDeprecatedExtension( std::string const & extension )
{
${voidExtension}
return ${deprecatedTest};
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 bool isDeviceExtension( std::string const & extension )
{
return ${deviceTest};
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 bool isInstanceExtension( std::string const & extension )
{
return ${instanceTest};
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 bool isObsoletedExtension( std::string const & extension )
{
${voidExtension}
return ${obsoletedTest};
}
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_20 bool isPromotedExtension( std::string const & extension )
{
return ${promotedTest};
}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str =
replaceWithMap( vulkanExtensionInspectionHppTemplate,
{ { "api", m_api },
{ "deprecatedExtensions",
generateReplacedExtensionsList( []( ExtensionData const & extension ) { return extension.isDeprecated; },
[]( ExtensionData const & extension ) { return extension.deprecatedBy; } ) },
{ "deviceExtensions", generateExtensionsList( "device" ) },
{ "deviceTest", generateExtensionTypeTest( "device" ) },
{ "deprecatedBy",
generateExtensionReplacedBy( []( ExtensionData const & extension ) { return extension.isDeprecated; },
[]( ExtensionData const & extension ) { return extension.deprecatedBy; } ) },
{ "deprecatedTest", generateExtensionReplacedTest( []( ExtensionData const & extension ) { return extension.isDeprecated; } ) },
{ "extensionDependencies", generateExtensionDependencies() },
{ "getExtensionDependsByVersionDeclaration", generateExtensionDependsByVersion( false ) },
{ "getExtensionDependsByVersionDefinition", generateExtensionDependsByVersion( true ) },
{ "instanceExtensions", generateExtensionsList( "instance" ) },
{ "instanceTest", generateExtensionTypeTest( "instance" ) },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "obsoletedBy",
generateExtensionReplacedBy( []( ExtensionData const & extension ) { return !extension.obsoletedBy.empty(); },
[]( ExtensionData const & extension ) { return extension.obsoletedBy; } ) },
{ "obsoletedExtensions",
generateReplacedExtensionsList( []( ExtensionData const & extension ) { return !extension.obsoletedBy.empty(); },
[]( ExtensionData const & extension ) { return extension.obsoletedBy; } ) },
{ "obsoletedTest", generateExtensionReplacedTest( []( ExtensionData const & extension ) { return !extension.obsoletedBy.empty(); } ) },
{ "promotedExtensions",
generateReplacedExtensionsList( []( ExtensionData const & extension ) { return !extension.promotedTo.empty(); },
[]( ExtensionData const & extension ) { return extension.promotedTo; } ) },
{ "promotedTest", generateExtensionReplacedTest( []( ExtensionData const & extension ) { return !extension.promotedTo.empty(); } ) },
{ "promotedTo",
generateExtensionReplacedBy( []( ExtensionData const & extension ) { return !extension.promotedTo.empty(); },
[]( ExtensionData const & extension ) { return extension.promotedTo; } ) },
{ "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";
std::cout << "VulkanHppGenerator: Generating " << vulkan_format_traits_hpp << " ..." << std::endl;
std::string const vulkanFormatTraitsHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_FORMAT_TRAITS_HPP
# define VULKAN_FORMAT_TRAITS_HPP
#include <vulkan/${api}.hpp>
namespace VULKAN_HPP_NAMESPACE
{
${formatTraits}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanFormatTraitsHppTemplate,
{ { "api", m_api }, { "formatTraits", generateFormatTraits() }, { "licenseHeader", m_vulkanLicenseHeader } } );
writeToFile( str, vulkan_format_traits_hpp );
}
void VulkanHppGenerator::generateFuncsHppFile() const
{
std::string const vulkan_funcs_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_funcs.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_funcs_hpp << " ..." << std::endl;
std::string const vulkanFuncsHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_FUNCS_HPP
# define VULKAN_FUNCS_HPP
namespace VULKAN_HPP_NAMESPACE
{
${commandDefinitions}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str =
replaceWithMap( vulkanFuncsHppTemplate, { { "commandDefinitions", generateCommandDefinitions() }, { "licenseHeader", m_vulkanLicenseHeader } } );
writeToFile( str, vulkan_funcs_hpp );
}
void VulkanHppGenerator::generateHandlesHppFile() const
{
std::string const vulkan_handles_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_handles.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_handles_hpp << " ..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_HANDLES_HPP
# define VULKAN_HANDLES_HPP
namespace VULKAN_HPP_NAMESPACE
{
${structForwardDeclarations}
${handleForwardDeclarations}
${uniqueHandles}
${handles}
} // namespace VULKAN_HPP_NAMESPACE
// operators to compare vk::-handles with nullptr
template <typename T>
typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, bool>::type operator==( const T & v, std::nullptr_t )
{
return !v;
}
template <typename T>
typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, bool>::type operator==( std::nullptr_t, const T & v )
{
return !v;
}
template <typename T>
typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, bool>::type operator!=( const T & v, std::nullptr_t )
{
return v;
}
template <typename T>
typename std::enable_if<VULKAN_HPP_NAMESPACE::isVulkanHandleType<T>::value, bool>::type operator!=( std::nullptr_t, const T & v )
{
return v;
}
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{
{ "handles", generateHandles() },
{ "handleForwardDeclarations", generateHandleForwardDeclarations() },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "structForwardDeclarations", generateStructForwardDeclarations() },
{ "uniqueHandles", generateUniqueHandles() },
} );
writeToFile( str, vulkan_handles_hpp );
}
void VulkanHppGenerator::generateHashHppFile() const
{
std::string const vulkan_hash_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_hash.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_hash_hpp << " ..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${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}
${structHashStructures}
} // namespace std
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{ { "api", m_api },
{ "handleHashStructures", generateHandleHashStructures() },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "structHashStructures", generateStructHashStructures() } } );
writeToFile( str, vulkan_hash_hpp );
}
void VulkanHppGenerator::generateHppFile() const
{
std::string const vulkan_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + ".hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_hpp << " ... " << std::endl;
std::string const vulkanHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_HPP
# define VULKAN_HPP
${includes}
static_assert( VK_HEADER_VERSION == ${headerVersion}, "Wrong VK_HEADER_VERSION!" );
${defines}
namespace VULKAN_HPP_NAMESPACE
{
${ArrayWrapper1D}
${ArrayWrapper2D}
#if !defined( VULKAN_HPP_DISABLE_ENHANCED_MODE )
${ArrayProxy}
${ArrayProxyNoTemporaries}
${StridedArrayProxy}
${Optional}
${StructureChain}
${UniqueHandle}
#endif // VULKAN_HPP_DISABLE_ENHANCED_MODE
${DispatchLoaderBase}
${DispatchLoaderStatic}
#if !defined( VULKAN_HPP_NO_SMART_HANDLE )
${ObjectDestroy}
${ObjectFree}
${ObjectRelease}
${PoolFree}
#endif // !VULKAN_HPP_NO_SMART_HANDLE
${baseTypes}
} // namespace VULKAN_HPP_NAMESPACE
#include <vulkan/${api}_enums.hpp>
#if !defined( VULKAN_HPP_NO_TO_STRING )
#include <vulkan/${api}_to_string.hpp>
#endif
#ifndef VULKAN_HPP_NO_EXCEPTIONS
namespace std
{
template <>
struct is_error_code_enum<VULKAN_HPP_NAMESPACE::Result> : public true_type
{};
} // namespace std
#endif
namespace VULKAN_HPP_NAMESPACE
{
#ifndef VULKAN_HPP_NO_EXCEPTIONS
${Exceptions}
${resultExceptions}
${throwResultException}
#endif
${ResultValue}
${resultChecks}
${constexprDefines}
} // namespace VULKAN_HPP_NAMESPACE
// clang-format off
#include <vulkan/${api}_handles.hpp>
#include <vulkan/${api}_structs.hpp>
#include <vulkan/${api}_funcs.hpp>
// clang-format on
namespace VULKAN_HPP_NAMESPACE
{
#if !defined( VULKAN_HPP_DISABLE_ENHANCED_MODE )
${structExtendsStructs}
#endif // VULKAN_HPP_DISABLE_ENHANCED_MODE
${DynamicLoader}
${DispatchLoaderDynamic}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap(
vulkanHppTemplate,
{ { "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" ) },
{ "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";
std::cout << "VulkanHppGenerator: Generating " << macros_hpp << " ..." << std::endl;
std::string const macrosTemplate = R"(${licenseHeader}
#ifndef VULKAN_HPP_MACROS_HPP
#define VULKAN_HPP_MACROS_HPP
${macros}
#endif)";
std::string str = replaceWithMap(
macrosTemplate,
{ { "licenseHeader", m_vulkanLicenseHeader }, { "macros", replaceWithMap( readSnippet( "macros.hpp" ), { { "vulkan_hpp", m_api + ".hpp" } } ) } } );
writeToFile( str, macros_hpp );
}
void VulkanHppGenerator::generateRAIIHppFile() const
{
std::string const vulkan_raii_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_raii.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_raii_hpp << " ..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_RAII_HPP
#define VULKAN_RAII_HPP
#include <memory> // std::unique_ptr
#include <utility> // std::exchange, std::forward
#include <vulkan/${api}.hpp>
#if !defined( VULKAN_HPP_DISABLE_ENHANCED_MODE )
namespace VULKAN_HPP_NAMESPACE
{
namespace VULKAN_HPP_RAII_NAMESPACE
{
template <class T, class U = T>
VULKAN_HPP_CONSTEXPR_14 VULKAN_HPP_INLINE T exchange( T & obj, U && newValue )
{
# if ( 14 <= VULKAN_HPP_CPP_VERSION )
return std::exchange<T>( obj, std::forward<U>( newValue ) );
# else
T oldValue = std::move( obj );
obj = std::forward<U>( newValue );
return oldValue;
# endif
}
template <class T>
class CreateReturnType
{
public:
#if defined( VULKAN_HPP_RAII_NO_EXCEPTIONS )
using Type = VULKAN_HPP_EXPECTED<T, VULKAN_HPP_NAMESPACE::Result>;
#else
using Type = T;
#endif
};
${RAIIDispatchers}
${RAIIHandles}
${RAIICommandDefinitions}
//====================
//=== RAII Helpers ===
//====================
template <typename RAIIType>
std::vector<typename RAIIType::CppType> filterCppTypes( std::vector<RAIIType> const & raiiTypes )
{
std::vector<typename RAIIType::CppType> cppTypes( raiiTypes.size() );
std::transform( raiiTypes.begin(), raiiTypes.end(), cppTypes.begin(), []( RAIIType const & d ) { return *d; } );
return cppTypes;
}
template <typename RAIIType, class UnaryPredicate>
std::vector<typename RAIIType::CppType> filterCppTypes( std::vector<RAIIType> const & raiiTypes, UnaryPredicate p)
{
std::vector<typename RAIIType::CppType> cppTypes;
for (auto const& t : raiiTypes)
{
if (p(t))
{
cppTypes.push_back( *t );
}
}
return cppTypes;
}
} // namespace VULKAN_HPP_RAII_NAMESPACE
} // namespace VULKAN_HPP_NAMESPACE
#endif
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{ { "api", m_api },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "RAIICommandDefinitions", generateRAIICommandDefinitions() },
{ "RAIIDispatchers", generateRAIIDispatchers() },
{ "RAIIHandles", generateRAIIHandles() } } );
writeToFile( str, vulkan_raii_hpp );
}
void VulkanHppGenerator::generateSharedHppFile() const
{
std::string const vulkan_shared_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_shared.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_shared_hpp << " ..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_SHARED_HPP
#define VULKAN_SHARED_HPP
#include <vulkan/${api}.hpp>
#include <atomic> // std::atomic_size_t
namespace VULKAN_HPP_NAMESPACE
{
#if !defined( VULKAN_HPP_NO_SMART_HANDLE )
${sharedHandle}
${sharedDestroy}
${sharedHandles}
${sharedHandleSpecializations}
${sharedHandlesNoDestroy}
#endif // !VULKAN_HPP_NO_SMART_HANDLE
} // namespace VULKAN_HPP_NAMESPACE
#endif // VULKAN_SHARED_HPP
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{
{ "api", m_api },
{ "licenseHeader", m_vulkanLicenseHeader },
{ "sharedDestroy", readSnippet( "SharedDestroy.hpp" ) },
{ "sharedHandle", readSnippet( "SharedHandle.hpp" ) },
{ "sharedHandles", generateSharedHandles() },
{ "sharedHandlesNoDestroy", generateSharedHandlesNoDestroy() },
{ "sharedHandleSpecializations", readSnippet( "SharedHandleSpecializations.hpp" ) },
} );
writeToFile( str, vulkan_shared_hpp );
}
void VulkanHppGenerator::generateStaticAssertionsHppFile() const
{
std::string const static_assertions_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_static_assertions.hpp";
std::cout << "VulkanHppGenerator: Generating " << static_assertions_hpp << " ..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_STATIC_ASSERTIONS_HPP
# define VULKAN_STATIC_ASSERTIONS_HPP
#include <vulkan/${api}.hpp>
//=========================
//=== static_assertions ===
//=========================
${staticAssertions}
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{ { "api", m_api }, { "licenseHeader", m_vulkanLicenseHeader }, { "staticAssertions", generateStaticAssertions() } } );
writeToFile( str, static_assertions_hpp );
}
void VulkanHppGenerator::generateStructsHppFile() const
{
std::string const vulkan_structs_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_structs.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_structs_hpp << " ..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_STRUCTS_HPP
# define VULKAN_STRUCTS_HPP
#include <cstring> // strcmp
namespace VULKAN_HPP_NAMESPACE
{
${structs}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate, { { "licenseHeader", m_vulkanLicenseHeader }, { "structs", generateStructs() } } );
writeToFile( str, vulkan_structs_hpp );
}
void VulkanHppGenerator::generateToStringHppFile() const
{
std::string const vulkan_to_string_hpp = std::string( BASE_PATH ) + "/vulkan/" + m_api + "_to_string.hpp";
std::cout << "VulkanHppGenerator: Generating " << vulkan_to_string_hpp << "..." << std::endl;
std::string const vulkanHandlesHppTemplate = R"(${licenseHeader}
#ifndef VULKAN_TO_STRING_HPP
# define VULKAN_TO_STRING_HPP
#include <vulkan/${api}_enums.hpp>
#if __cpp_lib_format
# include <format> // std::format
#else
# include <sstream> // std::stringstream
#endif
namespace VULKAN_HPP_NAMESPACE
{
${bitmasksToString}
${enumsToString}
} // namespace VULKAN_HPP_NAMESPACE
#endif
)";
std::string str = replaceWithMap( vulkanHandlesHppTemplate,
{ { "api", m_api },
{ "bitmasksToString", generateBitmasksToString() },
{ "enumsToString", generateEnumsToString() },
{ "licenseHeader", m_vulkanLicenseHeader } } );
writeToFile( str, vulkan_to_string_hpp );
}
void VulkanHppGenerator::generateCppModuleFile() const
{
std::string const vulkan_cppm = std::string( BASE_PATH ) + "/vulkan/" + m_api + ".cppm";
std::cout << "VulkanHppGenerator: Generating " << vulkan_cppm << "..." << std::endl;
std::string const vulkanCppmTemplate = R"(${licenseHeader}
// Note: This module is still in an experimental state.
// Any feedback is welcome on https://github.com/KhronosGroup/Vulkan-Hpp/issues.
module;
#include <vulkan/${api}.hpp>
#include <vulkan/${api}_extension_inspection.hpp>
#include <vulkan/${api}_format_traits.hpp>
#include <vulkan/${api}_hash.hpp>
#include <vulkan/${api}_raii.hpp>
#include <vulkan/${api}_shared.hpp>
export module ${api}_hpp;
export namespace VULKAN_HPP_NAMESPACE
{
${usings}
#if !defined( VULKAN_HPP_DISABLE_ENHANCED_MODE )
namespace VULKAN_HPP_RAII_NAMESPACE
{
${raiiUsings}
} // namespace VULKAN_HPP_RAII_NAMESPACE
#endif
} // namespace VULKAN_HPP_NAMESPACE
)";
auto const str = replaceWithMap( vulkanCppmTemplate,
{ { "api", m_api },
{ "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 );
}
distributeSecondLevelCommands( m_RAIISpecialFunctions );
}
void VulkanHppGenerator::prepareVulkanFuncs()
{
// rename a couple of function parameters to prevent this warning, treated as an error:
// warning C4458: declaration of 'objectType' hides class member
for ( auto & command : m_commands )
{
for ( auto & param : command.second.params )
{
if ( param.name == "objectType" )
{
param.name += "_";
}
}
}
}
//
// 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( std::make_pair( 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 const & commandData = getCommandData( command );
auto handleIt = m_handles.find( commandData.handle );
assert( handleIt != m_handles.end() );
if ( !handleIt->second.commands.contains( command ) )
{
handleIt->second.commands.insert( command );
registerDeleter( command, commandData );
}
}
}
}
void VulkanHppGenerator::addMissingFlagBits( std::vector<RequireData> & requireData, std::string const & requiredBy )
{
for ( auto & require : requireData )
{
std::vector<std::string> newTypes;
for ( auto const & type : require.types )
{
auto bitmaskIt = m_bitmasks.find( type );
if ( bitmaskIt != m_bitmasks.end() )
{
if ( bitmaskIt->second.require.empty() )
{
// generate the flagBits enum name out of the bitmask name: VkFooFlagsXXX -> VkFooFlagBitsXXX
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 );
// as the bitmask's requirement is still empty, this flagBits should not be listed in the require list!
assert( std::none_of( require.types.begin(), require.types.end(), [&flagBits]( std::string const & type ) { return ( type == flagBits ); } ) );
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( std::make_pair( flagBits, EnumData{ .isBitmask = true, .xmlLine = 0 } ) );
assert( !m_types.contains( flagBits ) );
m_types.insert( std::make_pair( flagBits, TypeData{ TypeCategory::Bitmask, { requiredBy }, 0 } ) );
}
else
{
assert( m_types.contains( flagBits ) );
enumIt->second.isBitmask = true;
}
newTypes.push_back( flagBits );
}
else if ( std::find( require.types.begin(), require.types.end(), bitmaskIt->second.require ) == require.types.end() )
{
// this bitmask requires a flags type that is not listed in here, so add it
newTypes.push_back( bitmaskIt->second.require );
}
}
}
// 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() )
{
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::all_of( vectorParams.begin(),
vectorParams.end(),
[&params]( 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 ).second )
{
auto const & commandData = getCommandData( command );
members += " PFN_" + command + " " + command + " = 0;\n";
placeholders += " PFN_dummy " + command + "_placeholder = 0;\n";
if ( commandData.handle.empty() )
{
initial += generateDispatchLoaderDynamicCommandAssignment( command, "NULL" );
}
else
{
instance += generateDispatchLoaderDynamicCommandAssignment( command, "instance" );
if ( isDeviceCommand( commandData ) )
{
device += generateDispatchLoaderDynamicCommandAssignment( command, "device" );
}
}
}
}
}
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 ).second )
{
auto const & commandData = getCommandData( command );
if ( commandData.handle.empty() )
{
assert( findAlias( command, m_commandAliases ) == m_commandAliases.end() );
ci += ", " + command + "( PFN_" + command + "( getProcAddr( NULL, \"" + command + "\" ) ) )";
cm += " PFN_" + command + " " + command + " = 0;\n";
}
else if ( ( commandData.handle == "VkDevice" ) || hasParentHandle( commandData.handle, "VkDevice" ) )
{
da += " " + command + " = PFN_" + command + "( vkGetDeviceProcAddr( device, \"" + command + "\" ) );\n";
// if this is an alias'ed function, use it as a fallback for the original one
auto aliasIt = m_commandAliases.find( command );
if ( aliasIt != m_commandAliases.end() )
{
da += " if ( !" + aliasIt->second.name + " ) " + aliasIt->second.name + " = " + command + ";\n";
}
dm += " PFN_" + command + " " + command + " = 0;\n";
dmp += " PFN_dummy " + command + "_placeholder = 0;\n";
}
else
{
assert( ( commandData.handle == "VkInstance" ) || hasParentHandle( commandData.handle, "VkInstance" ) );
// filter out vkGetInstanceProcAddr, as starting with Vulkan 1.2 it can resolve itself only (!) with an
// instance nullptr !
if ( command != "vkGetInstanceProcAddr" )
{
ia += " " + command + " = PFN_" + command + "( vkGetInstanceProcAddr( instance, \"" + command + "\" ) );\n";
// if this is an alias'ed function, use it as a fallback for the original one
auto aliasIt = m_commandAliases.find( command );
if ( aliasIt != m_commandAliases.end() )
{
ia += " if ( !" + aliasIt->second.name + " ) " + aliasIt->second.name + " = " + command + ";\n";
}
}
im += +" PFN_" + command + " " + command + " = 0;\n";
imp += " PFN_dummy " + command + "_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() )
{
checkForError( m_enums.contains( bitmask.second.require ),
bitmask.second.xmlLine,
"bitmask <" + bitmask.first + "> requires unknown enum <" + bitmask.second.require + ">" );
}
}
}
void VulkanHppGenerator::checkCommandCorrectness() const
{
// prepare command checks by gathering all result codes (including aliases and not supported ones!) into one set of resultCodes
auto resultIt = m_enums.find( "VkResult" );
assert( resultIt != m_enums.end() );
std::set<std::string> resultCodes;
for ( auto rc : resultIt->second.values )
{
resultCodes.insert( rc.name );
}
for ( auto rc : resultIt->second.unsupportedValues )
{
resultCodes.insert( rc.name );
}
// 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();
checkStructCorrectness();
}
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" );
// check that the alias names are known enum values
for ( auto const & value : e.second.values )
{
checkForError(
value.alias.empty() ||
std::any_of( e.second.values.begin(), e.second.values.end(), [&value]( auto const & evd ) { return evd.name == value.alias; } ) ||
std::any_of( e.second.unsupportedValues.begin(), e.second.unsupportedValues.end(), [&value]( auto const & evd ) { return evd.name == value.alias; } ),
value.xmlLine,
"enum <" + value.name + "> uses unknown alias <" + value.alias + ">" );
}
}
// enum checks by features and extensions
for ( auto & feature : m_features )
{
checkEnumCorrectness( feature.requireData );
}
for ( auto & ext : m_extensions )
{
checkEnumCorrectness( ext.requireData );
}
// enum alias checks
for ( auto const & alias : m_enumAliases )
{
checkForError( m_enums.contains( alias.second.name ), alias.second.xmlLine, "enum <" + alias.first + "> uses unknown alias <" + alias.second.name + ">" );
}
// 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 )
{
// check for non-alias formats only
checkForError( !enumValueIt->alias.empty() || m_formats.contains( enumValueIt->name ),
enumValueIt->xmlLine,
"missing format specification for <" + enumValueIt->name + ">" );
}
}
}
void VulkanHppGenerator::checkEnumCorrectness( std::vector<RequireData> const & requireData ) const
{
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto typeIt = m_types.find( type );
assert( typeIt != m_types.end() );
switch ( typeIt->second.category )
{
case TypeCategory::Bitmask:
{
// check that each "require" listed for a bitmask is listed for a feature or an extension
auto bitmaskIt = m_bitmasks.find( type );
if ( bitmaskIt != m_bitmasks.end() )
{
// not for every bitmask is a "require" listed
if ( !bitmaskIt->second.require.empty() )
{
auto requireTypeIt = m_types.find( bitmaskIt->second.require );
assert( requireTypeIt != m_types.end() );
checkForError( !requireTypeIt->second.requiredBy.empty(),
bitmaskIt->second.xmlLine,
"bitmask <" + bitmaskIt->first + "> requires <" + bitmaskIt->second.require +
"> which is not required by any feature or extension!" );
}
}
else
{
// every bitmask not listed in the m_bitmasks, should be an alias of such a thing
checkForError( m_bitmaskAliases.contains( type ), typeIt->second.xmlLine, "bitmask type <" + type + "> is not listed as a bitmask" );
}
}
break;
case TypeCategory::Enum:
{
auto enumIt = m_enums.find( type );
if ( enumIt != m_enums.end() )
{
if ( enumIt->second.isBitmask )
{
// check that any enum of a bitmask is listed as "require" or "bitvalues" for a bitmask
auto bitmaskIt =
std::find_if( m_bitmasks.begin(), m_bitmasks.end(), [&enumIt]( auto const & bitmask ) { return bitmask.second.require == enumIt->first; } );
checkForError( bitmaskIt != m_bitmasks.end(),
enumIt->second.xmlLine,
"enum <" + enumIt->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( ( enumIt->second.bitwidth != "64" ) || ( bitmaskIt->second.type == "VkFlags64" ),
enumIt->second.xmlLine,
"enum <" + enumIt->first + "> is marked with bitwidth <64> but corresponding bitmask <" + bitmaskIt->first +
"> is not of type <VkFlags64>" );
}
}
else
{
// every enum not listed in the m_enums, should be an alias of such a thing
checkForError( m_enumAliases.contains( type ), typeIt->second.xmlLine, "enum type <" + type + "> is not listed as an enum" );
}
}
break;
default: break;
}
}
}
}
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;
}
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::any_of( constructorIts.begin(), constructorIts.end(), isEquivalentSingularConstructor ) );
}
void VulkanHppGenerator::checkExtensionCorrectness() const
{
for ( auto const & extension : m_extensions )
{
// check for existence of any depends, deprecation, obsoletion, or promotion
for ( auto const & dependsByVersion : extension.depends )
{
checkForError( isFeature( dependsByVersion.first ),
extension.xmlLine,
"extension <" + extension.name + "> lists an unknown feature <" + dependsByVersion.first + ">" );
for ( auto const & dependsSet : dependsByVersion.second )
{
for ( auto const & depends : dependsSet )
{
checkForError( isExtension( depends ), extension.xmlLine, "extension <" + extension.name + "> lists an unknown depends <" + depends + ">" );
}
}
}
if ( !extension.deprecatedBy.empty() )
{
checkForError( isFeature( extension.deprecatedBy ) || isExtension( extension.deprecatedBy ),
extension.xmlLine,
"extension <" + extension.name + "> is deprecated by unknown extension/version <" + extension.promotedTo + ">" );
}
if ( !extension.obsoletedBy.empty() )
{
checkForError( isFeature( extension.obsoletedBy ) || isExtension( extension.obsoletedBy ),
extension.xmlLine,
"extension <" + extension.name + "> is obsoleted by unknown extension/version <" + extension.promotedTo + ">" );
}
if ( !extension.promotedTo.empty() )
{
checkForError( isFeature( extension.promotedTo ) || isExtension( extension.promotedTo ),
extension.xmlLine,
"extension <" + extension.name + "> is promoted to unknown extension/version <" + extension.promotedTo + ">" );
}
// check for existence of any requirement
for ( auto const & require : extension.requireData )
{
if ( !require.depends.empty() )
{
std::vector<std::string> depends = tokenizeAny( require.depends, ",+()" );
for ( auto const & depend : depends )
{
checkForError(
isFeature( depend ) || isExtension( depend ), require.xmlLine, "extension <" + extension.name + "> lists an unknown depends <" + depend + ">" );
}
}
}
}
}
void VulkanHppGenerator::checkFuncPointerCorrectness() const
{
for ( auto const & funcPointer : m_funcPointers )
{
if ( !funcPointer.second.require.empty() )
{
checkForError(
m_types.contains( funcPointer.second.require ), funcPointer.second.xmlLine, "funcpointer requires unknown <" + funcPointer.second.require + ">" );
}
for ( auto const & argument : funcPointer.second.arguments )
{
checkForError( m_types.contains( argument.type ), argument.xmlLine, "funcpointer argument of unknown type <" + argument.type + ">" );
}
}
}
void VulkanHppGenerator::checkHandleCorrectness() const
{
// prepare handle checks by getting the VkObjectType enum
auto objectTypeIt = m_enums.find( "VkObjectType" );
assert( objectTypeIt != m_enums.end() );
// handle checks
for ( auto const & handle : m_handles )
{
// check the existence of the parent
checkForError(
m_handles.contains( handle.second.parent ), handle.second.xmlLine, "handle <" + handle.first + "> with unknown parent <" + handle.second.parent + ">" );
// check existence of objTypeEnum used with this handle type
if ( !handle.first.empty() )
{
assert( !handle.second.objTypeEnum.empty() );
// only check with used handles!
checkForError( !isTypeUsed( handle.first ) || std::any_of( objectTypeIt->second.values.begin(),
objectTypeIt->second.values.end(),
[&handle]( EnumValueData const & evd ) { return evd.name == handle.second.objTypeEnum; } ),
handle.second.xmlLine,
"handle <" + handle.first + "> specifies unknown \"objtypeenum\" <" + handle.second.objTypeEnum + ">" );
}
}
// check that all specified objectType values are used with a handle type
for ( auto const & objectTypeValue : objectTypeIt->second.values )
{
if ( objectTypeValue.name != "VK_OBJECT_TYPE_UNKNOWN" )
{
// check for non-alias objectTypes only
checkForError( !objectTypeValue.alias.empty() || std::any_of( m_handles.begin(),
m_handles.end(),
[&objectTypeValue]( std::pair<std::string, HandleData> const & hd )
{ return hd.second.objTypeEnum == objectTypeValue.name; } ),
objectTypeValue.xmlLine,
"VkObjectType value <" + objectTypeValue.name + "> not specified as \"objtypeenum\" for any handle" );
}
}
}
void VulkanHppGenerator::checkStructCorrectness() const
{
for ( auto const & structAlias : m_structAliases )
{
checkForError( m_structs.contains( structAlias.second.name ), structAlias.second.xmlLine, "unknown struct alias <" + structAlias.second.name + ">" );
}
std::set<std::string> sTypeValues;
for ( auto const & structure : m_structs )
{
// check that a struct is referenced somewhere
// I think, it's not forbidden to not reference a struct, but it would probably be not intended?
auto typeIt = m_types.find( structure.first );
assert( typeIt != m_types.end() );
checkForError(
!typeIt->second.requiredBy.empty(), structure.second.xmlLine, "structure <" + structure.first + "> not required by any feature or extension" );
// check for existence of all structs that are extended by this struct
for ( auto const & extend : structure.second.structExtends )
{
checkForError( m_structs.contains( extend ) || m_structAliases.contains( extend ),
structure.second.xmlLine,
"struct <" + structure.first + "> extends unknown <" + extend + ">" );
}
// checks on the members of a struct
checkStructMemberCorrectness( structure.first, structure.second.members, sTypeValues );
}
// enum VkStructureType checks (need to be after structure checks because of sTypeValues gathered there)
auto structureTypeIt = m_enums.find( "VkStructureType" );
assert( structureTypeIt != m_enums.end() );
static std::set<std::string> reservedValues = { "VK_STRUCTURE_TYPE_LOADER_INSTANCE_CREATE_INFO",
"VK_STRUCTURE_TYPE_LOADER_DEVICE_CREATE_INFO",
"VK_STRUCTURE_TYPE_PRIVATE_VENDOR_INFO_RESERVED_OFFSET_0_NV" };
for ( auto const & enumValue : structureTypeIt->second.values )
{
if ( reservedValues.contains( enumValue.name ) )
{
checkForError( !sTypeValues.contains( enumValue.name ), enumValue.xmlLine, "Reserved VkStructureType enum value <" + enumValue.name + "> is used" );
}
else
{
// check for non-alias structureTypes only
checkForWarning( !enumValue.alias.empty() || ( sTypeValues.erase( enumValue.name ) == 1 ),
enumValue.xmlLine,
"VkStructureType enum value <" + enumValue.name + "> never used" );
}
}
assert( sTypeValues.empty() );
}
void VulkanHppGenerator::checkStructMemberCorrectness( std::string const & structureName,
std::vector<MemberData> const & members,
std::set<std::string> & sTypeValues ) const
{
// determine if this struct is requird/used
bool structUsed = isTypeUsed( structureName );
for ( auto const & member : members )
{
// check that all member types are required in some feature or extension
if ( member.type.type.starts_with( "Vk" ) )
{
auto memberTypeIt = m_types.find( member.type.type );
assert( memberTypeIt != m_types.end() );
checkForError( !memberTypeIt->second.requiredBy.empty(),
member.xmlLine,
"struct member type <" + member.type.type + "> used in struct <" + structureName + "> is never required for any feature or extension" );
}
// if a member specifies a selector, that member is a union and the selector is an enum
// check that there's a 1-1 connection between the specified selections and the values of that enum
if ( !member.selector.empty() )
{
auto selectorIt = findStructMemberIt( member.selector, members );
assert( selectorIt != members.end() );
auto selectorEnumIt = m_enums.find( selectorIt->type.type );
assert( selectorEnumIt != m_enums.end() );
auto unionIt = m_structs.find( member.type.type );
assert( ( unionIt != m_structs.end() ) && unionIt->second.isUnion );
for ( auto const & unionMember : unionIt->second.members )
{
// check that each union member has a selection, that is a value of the seleting enum
assert( !unionMember.selection.empty() );
for ( auto const & selection : unionMember.selection )
{
checkForError( std::any_of( selectorEnumIt->second.values.begin(),
selectorEnumIt->second.values.end(),
[&selection]( EnumValueData const & evd ) { return evd.name == selection; } ) ||
std::any_of( selectorEnumIt->second.unsupportedValues.begin(),
selectorEnumIt->second.unsupportedValues.end(),
[&selection]( EnumValueData const & evd ) { return evd.name == selection; } ),
unionMember.xmlLine,
"union member <" + unionMember.name + "> uses selection <" + selection + "> that is not part of the selector type <" +
selectorIt->type.type + ">" );
}
}
}
// check that each member type is known
checkForError( m_types.contains( member.type.type ), member.xmlLine, "struct member uses unknown type <" + member.type.type + ">" );
// check that any used constant is a known constant or some potentially externally defined constant
for ( auto const & arraySize : member.arraySizes )
{
if ( !isNumber( arraySize ) && !m_constants.contains( arraySize ) )
{
auto typeIt = m_types.find( arraySize );
checkForError( ( typeIt != m_types.end() ) && isAllUpper( arraySize ) && ( typeIt->second.category == TypeCategory::ExternalType ),
member.xmlLine,
"struct member array size uses unknown constant <" + arraySize + ">" );
}
}
// checks if a value is specified
if ( !member.value.empty() )
{
auto enumIt = m_enums.find( member.type.type );
if ( enumIt != m_enums.end() )
{
// check that the value exists in the specified enum (if the struct is used at all)
if ( structUsed )
{
checkForError(
std::any_of( enumIt->second.values.begin(), enumIt->second.values.end(), [&member]( auto const & evd ) { return member.value == evd.name; } ),
member.xmlLine,
"value <" + member.value + "> for member <" + member.name + "> in structure <" + structureName + "> of enum type <" + member.type.type +
"> not listed" );
// special handling for sType: no value should appear more than once
if ( member.name == "sType" )
{
checkForError( sTypeValues.insert( member.value ).second, member.xmlLine, "sType value <" + member.value + "> has been used before" );
}
}
}
else if ( member.type.type == "uint32_t" )
{
checkForError( isNumber( member.value ),
member.xmlLine,
"value <" + member.value + "> for member <" + member.name + "> in structure <" + structureName + "> of type <" + member.type.type +
"> is not a number" );
}
else
{
// don't know the type of the value -> error out
checkForError( false,
member.xmlLine,
"member <" + member.name + "> in structure <" + structureName + "> holds value <" + member.value + "> for an unhandled type <" +
member.type.type + ">" );
}
}
}
}
std::string VulkanHppGenerator::combineDataTypes( std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & returnParams,
bool enumerating,
std::vector<std::string> const & dataTypes,
CommandFlavourFlags flavourFlags,
bool raii ) const
{
assert( dataTypes.size() == returnParams.size() );
std::vector<std::string> modifiedDataTypes( dataTypes.size() );
for ( size_t i = 0; i < returnParams.size(); ++i )
{
auto vectorParamIt = vectorParams.find( returnParams[i] );
modifiedDataTypes[i] = ( vectorParamIt == vectorParams.end() || ( flavourFlags & CommandFlavourFlagBits::singular ) )
? dataTypes[i]
: ( "std::vector<" + dataTypes[i] +
( raii || ( flavourFlags & CommandFlavourFlagBits::unique )
? ">"
: ( ", " + startUpperCase( stripPrefix( dataTypes[i], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator>" ) ) );
}
std::string combinedType;
switch ( modifiedDataTypes.size() )
{
case 0: combinedType = "void"; break;
case 1: combinedType = modifiedDataTypes[0]; break;
case 2:
assert( !enumerating || ( vectorParams.contains( returnParams[1] ) && ( vectorParams.find( returnParams[1] )->second.lenParam == returnParams[0] ) ) );
combinedType = enumerating ? modifiedDataTypes[1] : ( "std::pair<" + modifiedDataTypes[0] + ", " + modifiedDataTypes[1] + ">" );
break;
case 3:
assert( enumerating );
switch ( vectorParams.size() )
{
case 1:
assert( ( vectorParams.begin()->first == returnParams[2] ) && ( vectorParams.begin()->second.lenParam == returnParams[1] ) );
combinedType = "std::pair<" + modifiedDataTypes[0] + ", " + modifiedDataTypes[2] + ">";
break;
case 2:
assert( ( vectorParams.begin()->first == returnParams[1] ) && ( vectorParams.begin()->second.lenParam == returnParams[0] ) &&
( std::next( vectorParams.begin() )->first == returnParams[2] ) &&
( std::next( vectorParams.begin() )->second.lenParam == returnParams[0] ) );
combinedType = "std::pair<" + modifiedDataTypes[1] + ", " + modifiedDataTypes[2] + ">";
break;
default: assert( false ); break;
}
break;
default: assert( false ); break;
}
return combinedType;
}
bool VulkanHppGenerator::containsArray( std::string const & type ) const
{
// a simple recursive check if a type is or contains an array
auto structureIt = m_structs.find( type );
bool found = false;
if ( structureIt != m_structs.end() )
{
for ( auto memberIt = structureIt->second.members.begin(); memberIt != structureIt->second.members.end() && !found; ++memberIt )
{
found = !memberIt->arraySizes.empty() || containsArray( memberIt->type.type );
}
}
return found;
}
bool VulkanHppGenerator::containsFuncPointer( std::string const & type ) const
{
// a simple recursive check if a type contains a funcpointer
auto structureIt = m_structs.find( type );
bool found = false;
if ( structureIt != m_structs.end() )
{
for ( auto memberIt = structureIt->second.members.begin(); memberIt != structureIt->second.members.end() && !found; ++memberIt )
{
found = m_funcPointers.contains( memberIt->type.type ) || ( ( memberIt->type.type != type ) && containsFuncPointer( memberIt->type.type ) );
}
}
return found;
}
bool VulkanHppGenerator::containsFloatingPoints( std::vector<MemberData> const & members ) const
{
for ( auto const & m : members )
{
if ( ( ( m.type.type == "float" ) || ( m.type.type == "double" ) ) && m.type.isValue() )
{
return true;
}
}
return false;
}
bool VulkanHppGenerator::containsUnion( std::string const & type ) const
{
// a simple recursive check if a type is or contains a union
auto structureIt = m_structs.find( type );
bool found = false;
if ( structureIt != m_structs.end() )
{
found = structureIt->second.isUnion;
for ( auto memberIt = structureIt->second.members.begin(); memberIt != structureIt->second.members.end() && !found; ++memberIt )
{
found = memberIt->type.isValue() && containsUnion( memberIt->type.type );
}
}
return found;
}
std::vector<size_t> VulkanHppGenerator::determineChainedReturnParams( std::vector<ParamData> const & params, std::vector<size_t> const & returnParams ) const
{
std::vector<size_t> chainedParams;
for ( auto rp : returnParams )
{
if ( isStructureChainAnchor( params[rp].type.type ) )
{
chainedParams.push_back( rp );
}
}
return chainedParams;
}
std::vector<size_t> VulkanHppGenerator::determineConstPointerParams( std::vector<ParamData> const & params ) const
{
std::vector<size_t> constPointerParams;
for ( size_t i = 0; i < params.size(); i++ )
{
// very special handling for some types, which come in as non-const pointers, but are meant as const-pointers
if ( params[i].type.isConstPointer() || ( params[i].type.isNonConstPointer() && specialPointerTypes.contains( params[i].type.type ) ) )
{
constPointerParams.push_back( i );
}
}
return constPointerParams;
}
std::vector<std::string> VulkanHppGenerator::determineDataTypes( std::vector<VulkanHppGenerator::ParamData> const & params,
std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & returnParams,
std::set<size_t> const & templatedParams ) const
{
std::vector<std::string> dataTypes;
for ( auto rp : returnParams )
{
if ( templatedParams.contains( rp ) )
{
auto vectorParamIt = vectorParams.find( rp );
if ( ( vectorParamIt != vectorParams.end() ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->first; } ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->second.lenParam; } ) )
{
dataTypes.push_back( "uint8_t" );
}
else
{
dataTypes.push_back( ( stripPrefix( params[rp].name, "p" ) + "Type" ) );
}
}
else
{
dataTypes.push_back( trimEnd( stripPostfix( params[rp].type.compose( "VULKAN_HPP_NAMESPACE" ), "*" ) ) );
}
}
return dataTypes;
}
size_t VulkanHppGenerator::determineDefaultStartIndex( std::vector<ParamData> const & params, std::set<size_t> const & skippedParams ) const
{
// determine the index where the arguments start to have defaults
size_t defaultStartIndex = INVALID_INDEX;
for ( int i = static_cast<int>( params.size() ) - 1; ( 0 <= i ) && ( params[i].optional || skippedParams.contains( i ) ); --i )
{
defaultStartIndex = i;
}
return defaultStartIndex;
}
bool VulkanHppGenerator::determineEnumeration( std::map<size_t, VectorParamData> const & vectorParams, std::vector<size_t> const & returnParams ) const
{
// a command is considered to be enumerating some data, if for at least one vectorParam both, the data and the counter, are returnParams
return std::any_of( vectorParams.begin(),
vectorParams.end(),
[&returnParams]( auto const & vp )
{
return std::any_of( returnParams.begin(), returnParams.end(), [&vp]( size_t rp ) { return rp == vp.first; } ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vp]( size_t rp ) { return rp == vp.second.lenParam; } );
} );
}
size_t VulkanHppGenerator::determineInitialSkipCount( std::string const & command ) const
{
// determine the number of arguments to skip for a function
// -> 0: the command is not bound to an instance or a device (the corresponding handle has no name)
// -> 1: the command bound to an instance or a device (the corresponding handle has a name)
// -> 2: the command has been moved to a second handle
auto commandIt = m_commands.find( command );
if ( commandIt == m_commands.end() )
{
auto aliasIt = m_commandAliases.find( command );
assert( aliasIt != m_commandAliases.end() );
commandIt = m_commands.find( aliasIt->second.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 ) )
{
assert( 1 < commandIt->second.params.size() );
assert( m_handles.contains( commandIt->second.params[1].type.type ) );
return 2;
}
else
{
return handleIt->first.empty() ? 0 : 1;
}
}
std::vector<size_t> VulkanHppGenerator::determineReturnParams( std::vector<ParamData> const & params ) const
{
std::vector<size_t> nonConstPointerParamIndices;
for ( size_t i = 0; i < params.size(); i++ )
{
// very special handling of parameters of some types, which always come as a non-const pointer but are not meant
// to be a potential return value!
if ( params[i].type.isNonConstPointer() && !specialPointerTypes.contains( params[i].type.type ) )
{
nonConstPointerParamIndices.push_back( i );
}
}
return nonConstPointerParamIndices;
}
std::vector<std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator>
VulkanHppGenerator::determineRAIIHandleConstructors( std::string const & handleType, std::map<std::string, CommandData>::const_iterator destructorIt ) const
{
std::vector<std::map<std::string, CommandData>::const_iterator> constructorIts;
auto isConstructorCandidate = [this, &handleType]( std::pair<std::string, CommandData> const & cd )
{
return isSupported( cd.second.requiredBy ) &&
std::any_of( cd.second.params.begin(),
cd.second.params.end(),
[&handleType]( ParamData const & pd ) { return ( pd.type.type == handleType ) && pd.type.isNonConstPointer(); } );
};
for ( auto commandIt = m_commands.begin(); commandIt != m_commands.end(); )
{
// find the commands that get a non-const pointer to the handleType, that is, return a handle type
commandIt = std::find_if( commandIt, m_commands.end(), isConstructorCandidate );
if ( commandIt != m_commands.end() )
{
// only commands that provide all information needed for the destructor can be considered a constructor!
bool valid = true;
if ( destructorIt != m_commands.end() )
{
// get the destructors parameter to the handleType
auto desctructorHandleParamIt = std::find_if( destructorIt->second.params.begin(),
destructorIt->second.params.end(),
[&handleType]( ParamData const & pd ) { return pd.type.type == handleType; } );
assert( desctructorHandleParamIt != destructorIt->second.params.end() );
// lambda to check if a destructor parameter is a parameter of the constructor candidate
// (or it's just the len parameter, which is not needed for the constructor)
auto isConstructorCandidateParam = [&desctructorHandleParamIt, &commandIt, this]( ParamData const & destructorParam )
{
// check if the destructor param type equals this param type, or, if this param type is a struct, is part of
// that struct
auto isDestructorParamType = [&destructorParam, this]( ParamData const & pd )
{
if ( pd.type.type != destructorParam.type.type )
{
// check if the destructor param type equals a structure member type
auto structureIt = m_structs.find( pd.type.type );
return ( structureIt != m_structs.end() ) &&
( findStructMemberItByType( destructorParam.type.type, structureIt->second.members ) != structureIt->second.members.end() );
}
return true;
};
return ( destructorParam.name == desctructorHandleParamIt->lenExpression ) ||
std::any_of( commandIt->second.params.begin(), commandIt->second.params.end(), isDestructorParamType );
};
// the constructor candidate is valid, if none of the (relevant) destructor parameters is missing in the
// constructor candidate params
valid = std::all_of( destructorIt->second.params.begin(), destructorIt->second.params.end(), isConstructorCandidateParam );
}
if ( valid )
{
constructorIts.push_back( commandIt );
}
++commandIt;
}
}
return constructorIts;
}
std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator VulkanHppGenerator::determineRAIIHandleDestructor( std::string const & handleType ) const
{
std::string type = stripPrefix( handleType, "Vk" );
auto destructorIt = m_commands.find( "vkDestroy" + type );
if ( destructorIt == m_commands.end() )
{
destructorIt = m_commands.find( "vkFree" + type + "s" );
if ( destructorIt == m_commands.end() )
{
destructorIt = m_commands.find( "vkRelease" + type );
if ( destructorIt == m_commands.end() )
{
if ( handleType == "VkDeviceMemory" )
{
// special handling for vkDeviceMemory
destructorIt = m_commands.find( "vkFreeMemory" );
assert( destructorIt != m_commands.end() );
}
else if ( handleType == "VkDisplayKHR" )
{
// special handling for VkDisplayKHR
destructorIt = m_commands.find( "vkReleaseDisplayEXT" );
assert( destructorIt != m_commands.end() );
}
else
{
assert( ( handleType == "VkDisplayModeKHR" ) || ( handleType == "VkPhysicalDevice" ) || ( handleType == "VkQueue" ) );
}
}
}
}
return destructorIt;
}
std::set<size_t> VulkanHppGenerator::determineSingularParams( size_t returnParam, std::map<size_t, VectorParamData> const & vectorParams ) const
{
auto returnVectorIt = vectorParams.find( returnParam );
assert( returnVectorIt != vectorParams.end() );
std::set<size_t> singularParams;
singularParams.insert( returnVectorIt->second.lenParam );
for ( auto const & vpi : vectorParams )
{
if ( vpi.second.lenParam == returnVectorIt->second.lenParam )
{
singularParams.insert( vpi.first );
}
}
return singularParams;
}
std::set<size_t> VulkanHppGenerator::determineSkippedParams( std::vector<ParamData> const & params,
size_t initialSkipCount,
std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & returnParams,
bool singular ) const
{
// skip the initial skips (get fed by the object)
assert( initialSkipCount <= params.size() );
std::set<size_t> skippedParams;
for ( size_t i = 0; i < initialSkipCount; ++i )
{
skippedParams.insert( i );
}
// skip the size parameters (get derived from an array), and a stride parameter
for ( auto const & vpi : vectorParams )
{
assert( !params[vpi.first].lenExpression.empty() );
if ( ( std::none_of( returnParams.begin(), returnParams.end(), [&vpi]( size_t rpi ) { return vpi.first == rpi; } ) &&
isParam( params[vpi.first].lenExpression, params ) ) ||
( singular && params[vpi.second.lenParam].type.isValue() ) )
{
skippedParams.insert( vpi.second.lenParam );
}
if ( vpi.second.strideParam != INVALID_INDEX )
{
skippedParams.insert( vpi.second.strideParam );
}
}
// skip the return parameters (get resolved by local variables to be returned)
skippedParams.insert( returnParams.begin(), returnParams.end() );
return skippedParams;
}
std::string VulkanHppGenerator::determineSubStruct( std::pair<std::string, StructureData> const & structure ) const
{
if ( structure.second.members.front().name != "sType" )
{
// check if sd is a substruct of structure
auto isSubStruct = [&structure]( std::pair<std::string, StructureData> const & sd )
{
// member-by-member comparison of type and name
auto memberIt = structure.second.members.begin();
auto isMember = [&memberIt]( MemberData const & md )
{
if ( ( md.type == memberIt->type ) && ( md.name == memberIt->name ) )
{
++memberIt;
return true;
}
return false;
};
return ( sd.second.members.size() < structure.second.members.size() ) && std::all_of( sd.second.members.begin(), sd.second.members.end(), isMember );
};
// look for a struct in m_structs that starts identically to structure
auto structIt = std::find_if( m_structs.begin(), m_structs.end(), isSubStruct );
return ( structIt == m_structs.end() ) ? "" : structIt->first;
}
return "";
}
std::map<size_t, VulkanHppGenerator::VectorParamData> VulkanHppGenerator::determineVectorParams( std::vector<ParamData> const & params ) const
{
std::map<size_t, VectorParamData> vectorParams;
// look for the parameters whose len equals the name of an other parameter
for ( size_t i = 0; i < params.size(); i++ )
{
if ( !params[i].lenExpression.empty() && ( params[i].lenExpression != "null-terminated" ) )
{
VectorParamData & vpd = vectorParams[i];
if ( params[i].lenParams.empty() )
{
std::string const & lenExpression = params[i].lenExpression;
assert( std::none_of( params.begin(), params.end(), [&lenExpression]( auto const & pd ) { return ( lenExpression == pd.name ); } ) );
auto lenIt =
std::find_if( params.begin(), params.end(), [this, &lenExpression]( auto const & pd ) { return isLenByStructMember( lenExpression, pd ); } );
assert( lenIt != params.end() );
vpd.lenParam = std::distance( params.begin(), lenIt );
}
else
{
assert( params[i].lenParams.size() == 1 );
vpd.lenParam = params[i].lenParams[0].second;
}
if ( !params[i].strideParam.first.empty() )
{
vpd.strideParam = params[i].strideParam.second;
}
}
}
return vectorParams;
}
std::set<size_t> VulkanHppGenerator::determineVoidPointerParams( std::vector<ParamData> const & params ) const
{
std::set<size_t> voidPointerParams;
for ( size_t i = 0; i < params.size(); i++ )
{
if ( !params[i].type.isValue() && ( params[i].type.type == "void" ) && ( params[i].type.postfix != "**" ) )
{
voidPointerParams.insert( i );
}
}
return voidPointerParams;
}
void VulkanHppGenerator::distributeSecondLevelCommands( std::set<std::string> const & specialFunctions )
{
// 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 ( !specialFunctions.contains( *command ) )
{
auto const & commandData = getCommandData( *command );
assert( commandData.params.front().type.type == handle.first );
if ( ( 1 < commandData.params.size() ) && ( isHandleType( commandData.params[1].type.type ) ) && !commandData.params[1].optional )
{
auto handleIt = m_handles.find( commandData.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::none_of( handleIt->second.constructorIts.begin(),
handleIt->second.constructorIts.end(),
[&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::filterLenMembers()
{
for ( auto & sd : m_structs )
{
for ( auto & member : sd.second.members )
{
std::erase_if( member.lenMembers, [this]( std::pair<std::string, size_t> const & nameIndex ) { return m_constants.contains( nameIndex.first ); } );
for ( auto & lenMember : member.lenMembers )
{
if ( lenMember.second == size_t( ~0 ) )
{
auto lenMemberIt = findStructMemberIt( lenMember.first, sd.second.members );
checkForError( lenMemberIt != sd.second.members.end(),
member.xmlLine,
"struct member <" + member.name + "> uses unknown len member <" + lenMember.first + "> in its \"altlen\" attribute <" +
member.lenExpressions[0] + ">" );
lenMember.second = std::distance( sd.second.members.cbegin(), lenMemberIt );
}
}
}
}
}
std::map<std::string, VulkanHppGenerator::AliasData>::const_iterator VulkanHppGenerator::findAlias( std::string const & name,
std::map<std::string, AliasData> const & aliases ) const
{
auto lambda = [&name]( std::pair<std::string, AliasData> const & ad ) { return ad.second.name == name; };
auto it = std::find_if( aliases.begin(), aliases.end(), lambda );
assert( ( it == aliases.end() ) || std::none_of( std::next( it ), aliases.end(), lambda ) );
return it;
}
std::string VulkanHppGenerator::findBaseName( std::string aliasName, std::map<std::string, AliasData> const & aliases ) const
{
std::string baseName = aliasName;
auto aliasIt = aliases.find( baseName );
while ( aliasIt != aliases.end() )
{
baseName = aliasIt->second.name;
aliasIt = aliases.find( baseName );
}
return baseName;
}
VulkanHppGenerator::EnumValueData const * VulkanHppGenerator::findEnumValueData( std::map<std::string, EnumData>::const_iterator enumIt,
std::string const & name ) const
{
EnumValueData const * evdPtr = nullptr;
auto evdIt = std::find_if( enumIt->second.values.begin(), enumIt->second.values.end(), [&name]( EnumValueData const & evd ) { return evd.name == name; } );
if ( evdIt == enumIt->second.values.end() )
{
evdIt = std::find_if(
enumIt->second.unsupportedValues.begin(), enumIt->second.unsupportedValues.end(), [&name]( EnumValueData const & evd ) { return evd.name == name; } );
if ( evdIt != enumIt->second.unsupportedValues.end() )
{
evdPtr = &*evdIt;
}
}
else
{
evdPtr = &*evdIt;
}
return evdPtr;
}
std::vector<VulkanHppGenerator::FeatureData>::const_iterator VulkanHppGenerator::findFeature( std::string const & name ) const
{
return std::find_if( m_features.begin(), m_features.end(), [&name]( FeatureData const & fd ) { return fd.name == name; } );
}
std::vector<VulkanHppGenerator::ParamData>::const_iterator VulkanHppGenerator::findParamIt( std::string const & name,
std::vector<ParamData> const & paramData ) const
{
return std::find_if( paramData.begin(), paramData.end(), [&name]( ParamData const & pd ) { return pd.name == name; } );
}
std::vector<VulkanHppGenerator::MemberData>::const_iterator VulkanHppGenerator::findStructMemberIt( std::string const & name,
std::vector<MemberData> const & memberData ) const
{
return std::find_if( memberData.begin(), memberData.end(), [&name]( MemberData const & md ) { return md.name == name; } );
}
std::vector<VulkanHppGenerator::MemberData>::const_iterator VulkanHppGenerator::findStructMemberItByType( std::string const & type,
std::vector<MemberData> const & memberData ) const
{
return std::find_if( memberData.begin(), memberData.end(), [&type]( MemberData const & md ) { return md.type.type == type; } );
}
std::vector<VulkanHppGenerator::ExtensionData>::const_iterator VulkanHppGenerator::findSupportedExtension( std::string const & name ) const
{
return std::find_if( m_extensions.begin(), m_extensions.end(), [&name]( ExtensionData const & ed ) { return ed.name == name; } );
}
std::string VulkanHppGenerator::findTag( std::string const & name, std::string const & postfix ) const
{
auto tagIt = std::find_if(
m_tags.begin(), m_tags.end(), [&name, &postfix]( std::pair<std::string, TagData> const & t ) { return name.ends_with( t.first + postfix ); } );
return ( tagIt != m_tags.end() ) ? tagIt->first : "";
}
std::pair<std::string, std::string> VulkanHppGenerator::generateAllocatorTemplates( std::vector<size_t> const & returnParams,
std::vector<std::string> const & returnDataTypes,
std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & chainedReturnParams,
CommandFlavourFlags flavourFlags,
bool definition ) const
{
assert( chainedReturnParams.size() <= 1 );
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
bool unique = flavourFlags & CommandFlavourFlagBits::unique;
assert( returnParams.size() == returnDataTypes.size() );
std::string allocatorTemplates;
if ( !singular )
{
for ( size_t i = 0; i < returnParams.size(); i++ )
{
if ( vectorParams.contains( returnParams[i] ) )
{
if ( chained && !chainedReturnParams.empty() && ( chainedReturnParams[0] == returnParams[i] ) )
{
allocatorTemplates += "typename StructureChainAllocator";
if ( !definition )
{
allocatorTemplates += " = std::allocator<StructureChain>";
}
}
else
{
allocatorTemplates += "typename " + startUpperCase( stripPrefix( returnDataTypes[i], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator";
if ( !definition )
{
allocatorTemplates += " = std::allocator<" + ( unique ? ( "UniqueHandle<" + returnDataTypes[i] + ", Dispatch>" ) : returnDataTypes[i] ) + ">";
}
}
allocatorTemplates += ", ";
}
}
}
std::string uniqueHandleAllocatorTemplates;
if ( unique && !allocatorTemplates.empty() )
{
uniqueHandleAllocatorTemplates = ", " + stripPostfix( allocatorTemplates, ", " );
allocatorTemplates.clear();
}
return std::make_pair( allocatorTemplates, uniqueHandleAllocatorTemplates );
}
std::string VulkanHppGenerator::generateArgumentListEnhanced( std::vector<ParamData> const & params,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
std::set<size_t> const & skippedParams,
std::set<size_t> const & singularParams,
std::set<size_t> const & templatedParams,
std::vector<size_t> const & chainedReturnParams,
bool definition,
CommandFlavourFlags flavourFlags,
bool withDispatcher ) const
{
bool withAllocators = flavourFlags & CommandFlavourFlagBits::withAllocator;
size_t defaultStartIndex = withAllocators ? ~0 : determineDefaultStartIndex( params, skippedParams );
std::string argumentList;
bool encounteredArgument = false;
for ( size_t i = 0; i < params.size(); ++i )
{
if ( !skippedParams.contains( i ) )
{
if ( encounteredArgument )
{
argumentList += ", ";
}
bool hasDefaultAssignment = false;
std::string composedType = params[i].type.compose( "VULKAN_HPP_NAMESPACE" );
if ( singularParams.contains( i ) )
{
assert( !params[i].optional );
assert( params[i].type.isConstPointer() && !params[i].lenExpression.empty() && !isLenByStructMember( params[i].lenExpression, params ) &&
params[i].type.type.starts_with( "Vk" ) );
assert( !isHandleType( params[i].type.type ) );
assert( composedType.ends_with( " *" ) );
argumentList += stripPostfix( composedType, " *" ) + " & " + stripPluralS( startLowerCase( stripPrefix( params[i].name, "p" ) ) );
}
else if ( params[i].type.isConstPointer() )
{
assert( composedType.ends_with( " *" ) );
std::string name = startLowerCase( stripPrefix( params[i].name, "p" ) );
if ( params[i].lenExpression.empty() )
{
assert( withDispatcher || !isHandleType( params[i].type.type ) );
assert( !params[i].type.prefix.empty() && ( params[i].type.postfix == "*" ) );
assert( params[i].arraySizes.empty() );
if ( params[i].type.type == "void" )
{
argumentList +=
templatedParams.contains( i ) ? ( stripPrefix( params[i].name, "p" ) + "Type const & " + name ) : ( composedType + " " + params[i].name );
}
else if ( params[i].optional )
{
argumentList += "Optional<" + stripPostfix( composedType, " *" ) + "> " + name +
( ( definition || withAllocators ) ? "" : " VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT" );
hasDefaultAssignment = true;
}
else
{
argumentList += stripPostfix( composedType, " *" ) + " & " + name;
}
}
else
{
// a const-pointer with a non-empty len is either null-terminated (aka a string) or represented by an
// ArrayProxy
assert( params[i].arraySizes.empty() );
if ( params[i].lenExpression == "null-terminated" )
{
assert( params[i].type.type == "char" );
if ( params[i].optional )
{
argumentList +=
"Optional<const std::string> " + name + ( ( definition || withAllocators ) ? "" : " VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT" );
hasDefaultAssignment = true;
}
else
{
argumentList += "const std::string & " + name;
}
}
else
{
// an ArrayProxy also covers no data, so any optional flag can be ignored here
std::string type = stripPostfix( composedType, " *" );
size_t pos = type.find( "void" );
if ( pos != std::string::npos )
{
type.replace( pos, 4, stripPrefix( params[i].name, "p" ) + "Type" );
}
argumentList +=
std::string( "VULKAN_HPP_NAMESPACE::" ) + ( params[i].strideParam.first.empty() ? "" : "Strided" ) + "ArrayProxy<" + type + "> const & " + name;
if ( params[i].optional && !definition )
{
assert( params[i].strideParam.first.empty() );
argumentList += " VULKAN_HPP_DEFAULT_ARGUMENT_NULLPTR_ASSIGNMENT";
hasDefaultAssignment = true;
}
}
}
}
else if ( params[i].type.isNonConstPointer() )
{
if ( ( params[i].type.type == "void" ) && ( flavourFlags & CommandFlavourFlagBits::keepVoidPtr ) )
{
argumentList += composedType + " ";
}
else
{
assert( withDispatcher || !isHandleType( params[i].type.type ) );
assert( params[i].lenExpression.empty() && !params[i].optional );
assert( composedType.ends_with( " *" ) );
argumentList += stripPostfix( composedType, " *" ) + " & ";
}
argumentList += params[i].name;
}
else
{
assert( params[i].type.isValue() );
argumentList += composedType + " " + params[i].name + generateCArraySizes( params[i].arraySizes );
}
argumentList += std::string( !definition && ( defaultStartIndex <= i ) && !hasDefaultAssignment ? " VULKAN_HPP_DEFAULT_ARGUMENT_ASSIGNMENT" : "" );
encounteredArgument = true;
}
}
if ( withAllocators )
{
if ( ( flavourFlags & CommandFlavourFlagBits::chained ) && needsStructureChainResize( vectorParams, chainedReturnParams ) )
{
if ( encounteredArgument )
{
argumentList += ", ";
}
argumentList += "StructureChainAllocator & structureChainAllocator";
encounteredArgument = true;
}
else
{
for ( auto sp : skippedParams )
{
if ( !params[sp].lenExpression.empty() )
{
if ( encounteredArgument )
{
argumentList += ", ";
}
std::string type;
if ( templatedParams.contains( sp ) )
{
auto vectorParamIt = vectorParams.find( sp );
if ( ( vectorParamIt != vectorParams.end() ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->first; } ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->second.lenParam; } ) )
{
type = "Uint8_t";
}
else
{
type = stripPrefix( params[sp].name, "p" ) + "Type";
}
}
else
{
type = ( params[sp].type.type == "void" ) ? "Uint8_t" : startUpperCase( stripPrefix( params[sp].type.type, "Vk" ) );
}
argumentList += type + "Allocator & " + startLowerCase( type ) + "Allocator";
encounteredArgument = true;
}
}
}
}
if ( withDispatcher )
{
if ( encounteredArgument )
{
argumentList += ", ";
}
argumentList += std::string( "Dispatch const & d" ) + ( definition ? "" : " VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT" );
}
return argumentList;
}
std::string VulkanHppGenerator::generateArgumentListStandard( std::vector<ParamData> const & params, std::set<size_t> const & skippedParams ) const
{
std::string argumentList;
for ( size_t i = 0; i < params.size(); ++i )
{
if ( !skippedParams.contains( i ) )
{
argumentList += params[i].type.compose( "VULKAN_HPP_NAMESPACE" ) + " " + params[i].name + generateCArraySizes( params[i].arraySizes ) + ", ";
}
}
argumentList += "Dispatch const & d ";
return argumentList;
}
std::string VulkanHppGenerator::generateArgumentTemplates( std::vector<ParamData> const & params,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
std::set<size_t> const & templatedParams,
std::vector<size_t> const & chainedReturnParams,
bool raii ) const
{
std::string argumentTemplates;
if ( !chainedReturnParams.empty() )
{
assert( chainedReturnParams.size() == 1 );
argumentTemplates = vectorParams.contains( chainedReturnParams[0] ) ? "typename StructureChain, " : "typename X, typename Y, typename... Z, ";
}
if ( !templatedParams.empty() )
{
for ( auto t : templatedParams )
{
assert( params[t].name.starts_with( "p" ) );
auto vectorParamIt = vectorParams.find( t );
if ( ( vectorParamIt == vectorParams.end() ) ||
std::none_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->first; } ) ||
std::none_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->second.lenParam; } ) )
{
assert( chainedReturnParams.empty() );
// only templated parameters that are not part of an enumeration are really templated
argumentTemplates += "typename " + stripPrefix( params[t].name, "p" ) + "Type, ";
}
}
}
if ( !argumentTemplates.empty() && raii )
{
argumentTemplates = "template <" + stripPostfix( argumentTemplates, ", " ) + ">";
}
return argumentTemplates;
}
std::string VulkanHppGenerator::generateBaseTypes() const
{
assert( !m_baseTypes.empty() );
const std::string basetypesTemplate = R"(
//==================
//=== BASE TYPEs ===
//==================
${basetypes}
)";
std::string basetypes;
for ( auto const & baseType : m_baseTypes )
{
// filter out VkFlags and VkFlags64, as they are mapped to our own Flags class, and basetypes without any type information
if ( ( baseType.first != "VkFlags" ) && ( baseType.first != "VkFlags64" ) && !baseType.second.typeInfo.type.empty() )
{
basetypes += " using " + stripPrefix( baseType.first, "Vk" ) + " = " + baseType.second.typeInfo.compose( "VULKAN_HPP_NAMESPACE" ) + ";\n";
}
}
return replaceWithMap( basetypesTemplate, { { "basetypes", basetypes } } );
}
std::string VulkanHppGenerator::generateBitmask( std::map<std::string, BitmaskData>::const_iterator bitmaskIt, std::string const & surroundingProtect ) const
{
auto bitmaskBitsIt = m_enums.find( bitmaskIt->second.require );
assert( bitmaskBitsIt != m_enums.end() );
std::string bitmaskName = stripPrefix( bitmaskIt->first, "Vk" );
std::string enumName = stripPrefix( bitmaskBitsIt->first, "Vk" );
auto aliasBitmaskIt = findAlias( bitmaskIt->first, m_bitmaskAliases );
std::string alias =
( aliasBitmaskIt == m_bitmaskAliases.end() ) ? "" : ( " using " + stripPrefix( aliasBitmaskIt->first, "Vk" ) + " = " + bitmaskName + ";\n" );
std::string allFlags;
if ( bitmaskBitsIt->second.values.empty() )
{
allFlags = " {};";
}
else
{
bool encounteredFlag = false;
std::string previousEnter, previousLeave;
for ( auto const & value : bitmaskBitsIt->second.values )
{
// only list non-alias values in the allFlags trait
if ( value.alias.empty() )
{
// if the value's protect differs from the surrounding protect, generate protection code
std::string enter, leave;
if ( !value.protect.empty() && ( value.protect != surroundingProtect ) )
{
tie( enter, leave ) = generateProtection( value.protect );
}
std::string valueName = generateEnumValueName( bitmaskBitsIt->first, value.name, true );
allFlags += ( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + " " + ( encounteredFlag ? "| " : " " ) + enumName +
"::" + valueName;
encounteredFlag = true;
previousEnter = enter;
previousLeave = leave;
}
}
if ( !previousLeave.empty() )
{
allFlags += "\n" + previousLeave;
}
allFlags += ";";
}
static const std::string bitmaskTemplate = R"(
using ${bitmaskName} = Flags<${enumName}>;
${alias}
template <> struct FlagTraits<${enumName}>
{
static VULKAN_HPP_CONST_OR_CONSTEXPR bool isBitmask = true;
static VULKAN_HPP_CONST_OR_CONSTEXPR ${bitmaskName} allFlags = ${allFlags}
};
)";
return replaceWithMap( bitmaskTemplate, { { "alias", alias }, { "allFlags", allFlags }, { "bitmaskName", bitmaskName }, { "enumName", enumName } } );
}
std::string VulkanHppGenerator::generateBitmasksToString() const
{
const std::string bitmasksToStringTemplate = R"(
//==========================
//=== BITMASKs to_string ===
//==========================
${bitmasksToString}
)";
std::string bitmasksToString;
std::set<std::string> listedBitmasks;
for ( auto const & feature : m_features )
{
bitmasksToString += generateBitmasksToString( feature.requireData, listedBitmasks, feature.name );
}
for ( auto const & extension : m_extensions )
{
bitmasksToString += generateBitmasksToString( extension.requireData, listedBitmasks, extension.name );
}
return replaceWithMap( bitmasksToStringTemplate, { { "bitmasksToString", bitmasksToString } } );
}
std::string VulkanHppGenerator::generateBitmasksToString( std::vector<RequireData> const & requireData,
std::set<std::string> & listedBitmasks,
std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto bitmaskIt = m_bitmasks.find( type );
if ( ( bitmaskIt != m_bitmasks.end() ) && !listedBitmasks.contains( type ) )
{
listedBitmasks.insert( type );
str += generateBitmaskToString( bitmaskIt );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateBitmaskToString( std::map<std::string, BitmaskData>::const_iterator bitmaskIt ) const
{
auto bitmaskBitsIt = m_enums.find( bitmaskIt->second.require );
assert( bitmaskBitsIt != m_enums.end() );
std::string bitmaskName = stripPrefix( bitmaskIt->first, "Vk" );
std::string enumName = stripPrefix( bitmaskBitsIt->first, "Vk" );
std::string str;
if ( bitmaskBitsIt->second.values.empty() )
{
static std::string bitmaskToStringTemplate = R"(
VULKAN_HPP_INLINE std::string to_string( ${bitmaskName} )
{
return "{}";
}
)";
str += replaceWithMap( bitmaskToStringTemplate, { { "bitmaskName", bitmaskName } } );
}
else
{
static const std::string bitmaskToStringTemplate = R"(
VULKAN_HPP_INLINE std::string to_string( ${bitmaskName} value )
{
if ( !value )
return "${emptyValue}";
std::string result;
${toStringChecks}
return "{ " + result.substr( 0, result.size() - 3 ) + " }";
}
)";
std::string emptyValue = "{}";
std::string toStringChecks;
std::string previousEnter, previousLeave;
for ( auto const & value : bitmaskBitsIt->second.values )
{
std::string valueName = generateEnumValueName( bitmaskBitsIt->first, value.name, true );
if ( value.value == "0" )
{
assert( emptyValue == "{}" );
emptyValue = valueName.substr( 1 );
}
else if ( !value.bitpos.empty() )
{
assert( value.alias.empty() );
auto [enter, leave] = generateProtection( value.protect );
toStringChecks += ( ( previousEnter != enter ) ? ( previousLeave + enter ) : "" ) + " if ( value & " + enumName + "::" + valueName +
" ) result += \"" + valueName.substr( 1 ) + " | \";\n";
previousEnter = enter;
previousLeave = leave;
}
}
if ( !previousLeave.empty() )
{
assert( previousLeave.ends_with( "\n" ) );
toStringChecks += previousLeave;
previousLeave.resize( previousLeave.size() - strlen( "\n" ) );
}
str += replaceWithMap( bitmaskToStringTemplate, { { "bitmaskName", bitmaskName }, { "emptyValue", emptyValue }, { "toStringChecks", toStringChecks } } );
}
return str;
}
std::string VulkanHppGenerator::generateCallArgumentsEnhanced( CommandData const & commandData,
size_t initialSkipCount,
bool nonConstPointerAsNullptr,
std::set<size_t> const & singularParams,
std::set<size_t> const & templatedParams,
bool raii,
bool raiiFactory,
CommandFlavourFlags flavourFlags ) const
{
assert( initialSkipCount <= commandData.params.size() );
std::string arguments;
bool encounteredArgument = false;
if ( raii )
{
switch ( initialSkipCount )
{
case 1:
assert( isHandleType( commandData.params[0].type.type ) && commandData.params[0].type.isValue() );
assert( commandData.params[0].arraySizes.empty() && commandData.params[0].lenExpression.empty() );
assert( commandData.params[0].type.type == commandData.handle );
arguments = "static_cast<" + commandData.handle + ">( m_" + startLowerCase( stripPrefix( commandData.handle, "Vk" ) ) + " )";
encounteredArgument = true;
break;
case 2:
{
assert( isHandleType( commandData.params[0].type.type ) && commandData.params[0].type.isValue() );
assert( commandData.params[0].arraySizes.empty() && commandData.params[0].lenExpression.empty() );
assert( commandData.params[0].type.type == commandData.handle );
auto handleIt = m_handles.find( commandData.params[1].type.type );
assert( handleIt != m_handles.end() );
arguments = "static_cast<" + commandData.handle + ">( m_" + startLowerCase( stripPrefix( commandData.handle, "Vk" ) ) + " )";
assert( commandData.params[1].type.isValue() && commandData.params[1].arraySizes.empty() && commandData.params[1].lenExpression.empty() );
arguments += ", static_cast<" + commandData.params[1].type.type + ">( m_" +
generateRAIIHandleConstructorParamName( handleIt->first, handleIt->second.destructorIt ) + " )";
encounteredArgument = true;
}
break;
}
}
else
{
for ( size_t i = 0; i < initialSkipCount; ++i )
{
if ( encounteredArgument )
{
arguments += ", ";
}
assert( isHandleType( commandData.params[i].type.type ) && commandData.params[i].type.isValue() );
assert( commandData.params[i].arraySizes.empty() && commandData.params[i].lenExpression.empty() );
arguments += "m_" + startLowerCase( stripPrefix( commandData.params[i].type.type, "Vk" ) );
encounteredArgument = true;
}
}
for ( size_t i = initialSkipCount; i < commandData.params.size(); ++i )
{
if ( encounteredArgument )
{
arguments += ", ";
}
arguments += generateCallArgumentEnhanced( commandData.params, i, nonConstPointerAsNullptr, singularParams, templatedParams, flavourFlags, raiiFactory );
encounteredArgument = true;
}
return arguments;
}
std::string VulkanHppGenerator::generateCallArgumentsStandard( std::string const & handle, std::vector<ParamData> const & params ) const
{
std::string arguments;
bool encounteredArgument = false;
for ( auto const & param : params )
{
if ( encounteredArgument )
{
arguments += ", ";
}
if ( ( param.type.type == handle ) && param.type.isValue() )
{
assert( param.arraySizes.empty() && param.lenExpression.empty() );
arguments += "m_" + startLowerCase( stripPrefix( param.type.type, "Vk" ) );
}
else
{
std::string argument = param.name;
if ( param.type.type.starts_with( "Vk" ) )
{
if ( !param.arraySizes.empty() )
{
assert( param.arraySizes.size() == 1 );
assert( param.type.isValue() );
assert( param.type.postfix.empty() );
argument = "reinterpret_cast<" + param.type.compose( "" ) + " *>( " + argument + " )";
}
else if ( param.type.isValue() )
{
argument = "static_cast<" + param.type.type + ">( " + argument + " )";
}
else
{
assert( !param.type.postfix.empty() );
argument = "reinterpret_cast<" + param.type.compose( "" ) + ">( " + argument + " )";
}
}
arguments += argument;
}
encounteredArgument = true;
}
return arguments;
}
std::string VulkanHppGenerator::generateCallArgumentEnhanced( std::vector<ParamData> const & params,
size_t paramIndex,
bool nonConstPointerAsNullptr,
std::set<size_t> const & singularParams,
std::set<size_t> const & templatedParams,
CommandFlavourFlags flavourFlags,
bool raiiFactory ) const
{
std::string argument;
ParamData const & param = params[paramIndex];
if ( param.type.isConstPointer() || specialPointerTypes.contains( param.type.type ) )
{
// parameter is a const-pointer or one of the special pointer types that are considered to be const-pointers
argument = generateCallArgumentEnhancedConstPointer( param, paramIndex, singularParams, templatedParams );
}
else if ( param.type.isNonConstPointer() && !specialPointerTypes.contains( param.type.type ) &&
!( ( param.type.type == "void" ) && ( flavourFlags & CommandFlavourFlagBits::keepVoidPtr ) ) )
{
// parameter is a non-const pointer, none of the special pointer types, that are considered const-pointers, and no void-ptr to keep
argument = generateCallArgumentEnhancedNonConstPointer( param, paramIndex, nonConstPointerAsNullptr, singularParams );
}
else
{
argument = generateCallArgumentEnhancedValue( params, paramIndex, singularParams, flavourFlags, raiiFactory );
}
assert( !argument.empty() );
return argument;
}
std::string VulkanHppGenerator::generateCallArgumentEnhancedConstPointer( ParamData const & param,
size_t paramIndex,
std::set<size_t> const & singularParams,
std::set<size_t> const & templatedParams ) const
{
std::string argument;
std::string name = startLowerCase( stripPrefix( param.name, "p" ) );
if ( isHandleType( param.type.type ) && param.type.isValue() )
{
assert( !param.optional );
// if at all, this is the first argument, and it's the implicitly provided member handle
assert( paramIndex == 0 );
assert( param.arraySizes.empty() && param.lenExpression.empty() );
argument = "m_" + startLowerCase( stripPrefix( param.type.type, "Vk" ) );
}
else if ( param.lenExpression.empty() )
{
// this const-pointer parameter has no length, that is it's a const-pointer to a single value
if ( param.type.type == "void" )
{
argument =
templatedParams.contains( paramIndex ) ? "reinterpret_cast<" + param.type.compose( "VULKAN_HPP_NAMESPACE" ) + ">( &" + name + " )" : param.name;
}
else if ( param.optional )
{
argument = "static_cast<" + param.type.compose( "VULKAN_HPP_NAMESPACE" ) + ">( " + name + " )";
}
else
{
argument = "&" + name;
}
if ( param.type.type.starts_with( "Vk" ) )
{
argument = "reinterpret_cast<" + param.type.compose( "" ) + ">( " + argument + " )";
}
}
else if ( param.lenExpression == "null-terminated" )
{
// this const-pointer parameter is "null-terminated", that is it's a string
assert( ( param.type.type == "char" ) && param.arraySizes.empty() );
if ( param.optional )
{
argument = name + " ? " + name + "->c_str() : nullptr";
}
else
{
argument = name + ".c_str()";
}
}
else
{
// this const-pointer parameter has some explicit length
if ( singularParams.contains( paramIndex ) )
{
assert( !param.optional );
argument = "&" + stripPluralS( name );
}
else
{
// this const-parameter is represented by some array, where data() also works with no data (optional)
argument = name + ".data()";
}
if ( param.type.type.starts_with( "Vk" ) || ( param.type.type == "void" ) )
{
argument = "reinterpret_cast<" + param.type.compose( "" ) + ">( " + argument + " )";
}
}
return argument;
}
std::string VulkanHppGenerator::generateCallArgumentEnhancedNonConstPointer( ParamData const & param,
size_t paramIndex,
bool nonConstPointerAsNullptr,
std::set<size_t> const & singularParams ) const
{
std::string argument;
std::string name = startLowerCase( stripPrefix( param.name, "p" ) );
if ( param.lenExpression.empty() )
{
assert( param.arraySizes.empty() );
if ( param.type.type.starts_with( "Vk" ) )
{
argument = "reinterpret_cast<" + param.type.compose( "" ) + ">( &" + name + " )";
}
else
{
assert( !param.optional );
argument = "&" + name;
}
}
else
{
// the non-const pointer has a lenExpression -> it will be represented by some array
assert( param.arraySizes.empty() );
if ( nonConstPointerAsNullptr )
{
argument = "nullptr";
}
else
{
if ( singularParams.contains( paramIndex ) )
{
argument = "&" + stripPluralS( name );
}
else
{
// get the data of the array, which also covers no data -> no need to look at param.optional
argument = name + ".data()";
}
if ( param.type.type.starts_with( "Vk" ) || ( param.type.type == "void" ) )
{
argument = "reinterpret_cast<" + param.type.compose( "" ) + ">( " + argument + " )";
}
}
}
return argument;
}
std::string VulkanHppGenerator::generateCallArgumentEnhancedValue(
std::vector<ParamData> const & params, size_t paramIndex, std::set<size_t> const & singularParams, CommandFlavourFlags flavourFlags, bool raiiFactory ) const
{
std::string argument;
ParamData const & param = params[paramIndex];
assert( ( flavourFlags & CommandFlavourFlagBits::keepVoidPtr ) || param.lenExpression.empty() ); // !keepVoidPtr -> no lenExpression
if ( param.type.type.starts_with( "Vk" ) )
{
if ( param.arraySizes.empty() )
{
// check if this param is used as the len of an other param
auto pointerIt = std::find_if( params.begin(), params.end(), [&param]( ParamData const & pd ) { return pd.lenExpression == param.name; } );
if ( pointerIt != params.end() )
{
assert( !param.optional );
argument = startLowerCase( stripPrefix( pointerIt->name, "p" ) ) + ".size()";
if ( pointerIt->type.type == "void" )
{
argument += " * sizeof( " + stripPrefix( pointerIt->name, "p" ) + "Type )";
}
}
else if ( raiiFactory && m_handles.contains( param.type.type ) )
{
assert( param.type.isValue() && param.lenExpression.empty() );
if ( param.optional )
{
argument = param.name + " ? static_cast<" + param.type.type + ">( **" + param.name + " ) : 0";
}
else
{
argument = "static_cast<" + param.type.type + ">( *" + param.name + " )";
}
}
else
{
argument = "static_cast<" + param.type.compose( "" ) + ">( " + param.name + " )";
}
// check if this param is used as the stride of an other param
assert( std::none_of( params.begin(), params.end(), [paramIndex]( ParamData const & pd ) { return pd.strideParam.second == paramIndex; } ) );
}
else
{
assert( !param.optional );
assert( param.arraySizes.size() == 1 );
assert( param.type.prefix == "const" );
argument = "reinterpret_cast<" + param.type.compose( "" ) + " *>( " + param.name + " )";
}
}
else
{
auto pointerIt = std::find_if( params.begin(), params.end(), [&param]( ParamData const & pd ) { return pd.lenExpression == param.name; } );
if ( ( pointerIt != params.end() ) && !( ( pointerIt->type.type == "void" ) && ( flavourFlags & CommandFlavourFlagBits::keepVoidPtr ) ) )
{
// this parameter is the len of some other -> replace it with that parameter's size
assert( param.arraySizes.empty() );
assert( ( param.type.type == "size_t" ) || ( param.type.type == "uint32_t" ) );
if ( singularParams.contains( paramIndex ) )
{
if ( pointerIt->type.type == "void" )
{
argument = "sizeof( " + stripPrefix( pointerIt->name, "p" ) + "Type )";
}
else
{
argument = "1";
}
}
else
{
argument = startLowerCase( stripPrefix( pointerIt->name, "p" ) ) + ".size()";
if ( pointerIt->type.type == "void" )
{
argument += " * sizeof( " + stripPrefix( pointerIt->name, "p" ) + "Type )";
}
}
}
else
{
assert( !param.optional );
assert( param.arraySizes.size() <= 1 );
pointerIt = std::find_if( params.begin(), params.end(), [paramIndex]( ParamData const & pd ) { return pd.strideParam.second == paramIndex; } );
if ( pointerIt != params.end() )
{
// this parameter is the stride of some other -> replace it with that parameter's stride
assert( param.arraySizes.empty() );
assert( param.type.type == "uint32_t" );
assert( pointerIt->strideParam.first == param.name );
argument = startLowerCase( stripPrefix( pointerIt->name, "p" ) ) + ".stride()";
}
else
{
argument = param.name;
}
}
}
return argument;
}
std::string VulkanHppGenerator::generateCallSequence( std::string const & name,
CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
size_t initialSkipCount,
std::set<size_t> const & singularParams,
std::set<size_t> const & templatedParams,
std::vector<size_t> const & chainedReturnParams,
CommandFlavourFlags flavourFlags,
bool raii,
bool raiiFactory ) const
{
std::string dispatcher = raii ? "getDispatcher()->" : "d.";
// if at least one returnParam is a size value of a vector param (and no singular params), we need two calls
if ( singularParams.empty() &&
std::any_of( returnParams.begin(),
returnParams.end(),
[&vectorParams]( size_t rp )
{ return std::any_of( vectorParams.begin(), vectorParams.end(), [rp]( auto const & vp ) { return vp.second.lenParam == rp; } ); } ) )
{
auto vectorParamIt = vectorParams.begin();
assert( std::any_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->first; } ) );
assert( std::any_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->second.lenParam; } ) );
std::string firstCallArguments = generateCallArgumentsEnhanced( commandData, initialSkipCount, true, {}, templatedParams, raii, raiiFactory, flavourFlags );
std::string secondCallArguments =
generateCallArgumentsEnhanced( commandData, initialSkipCount, false, {}, templatedParams, raii, raiiFactory, flavourFlags );
std::string vectorName = startLowerCase( stripPrefix( commandData.params[vectorParamIt->first].name, "p" ) );
std::string vectorSize = startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) );
if ( ( flavourFlags & CommandFlavourFlagBits::chained ) && needsStructureChainResize( vectorParams, chainedReturnParams ) )
{
assert( vectorParams.size() == 1 );
// chained data needs some more handling!!
std::string vectorElementType = stripPostfix( commandData.params[vectorParamIt->first].type.compose( "VULKAN_HPP_NAMESPACE" ), " *" );
if ( commandData.returnType == "VkResult" )
{
const std::string callSequenceTemplate = R"(VULKAN_HPP_NAMESPACE::Result result;
do
{
result = static_cast<VULKAN_HPP_NAMESPACE::Result>( ${dispatcher}${vkCommand}( ${firstCallArguments} ) );
if ( ( result == VULKAN_HPP_NAMESPACE::Result::eSuccess ) && ${counterName} )
{
structureChains.resize( ${counterName} );
${vectorName}.resize( ${counterName} );
for ( ${counterType} i = 0; i < ${counterName}; i++ )
{
${vectorName}[i].pNext = structureChains[i].template get<${vectorElementType}>().pNext;
}
result = static_cast<VULKAN_HPP_NAMESPACE::Result>( ${dispatcher}${vkCommand}( ${secondCallArguments} ) );
}
} while ( result == VULKAN_HPP_NAMESPACE::Result::eIncomplete );)";
return replaceWithMap( callSequenceTemplate,
{ { "counterName", startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) ) },
{ "counterType", commandData.params[vectorParamIt->second.lenParam].type.type },
{ "dispatcher", dispatcher },
{ "firstCallArguments", firstCallArguments },
{ "secondCallArguments", secondCallArguments },
{ "vectorElementType", vectorElementType },
{ "vectorName", vectorName },
{ "vkCommand", name } } );
}
else
{
const std::string callSequenceTemplate =
R"(${dispatcher}${vkCommand}( ${firstCallArguments} );
structureChains.resize( ${counterName} );
${vectorName}.resize( ${counterName} );
for ( ${counterType} i = 0; i < ${counterName}; i++ )
{
${vectorName}[i].pNext = structureChains[i].template get<${vectorElementType}>().pNext;
}
${dispatcher}${vkCommand}( ${secondCallArguments} );)";
return replaceWithMap( callSequenceTemplate,
{ { "counterName", startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) ) },
{ "counterType", commandData.params[vectorParamIt->second.lenParam].type.type },
{ "dispatcher", dispatcher },
{ "firstCallArguments", firstCallArguments },
{ "secondCallArguments", secondCallArguments },
{ "vectorElementType", vectorElementType },
{ "vectorName", vectorName },
{ "vkCommand", name } } );
}
}
else if ( commandData.returnType == "VkResult" )
{
std::string resizes;
for ( auto const & vp : vectorParams )
{
assert( std::any_of( returnParams.begin(), returnParams.end(), [&vp]( size_t rp ) { return rp == vp.first; } ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vp]( size_t rp ) { return rp == vp.second.lenParam; } ) );
resizes += startLowerCase( stripPrefix( commandData.params[vp.first].name, "p" ) ) + ".resize( " +
startLowerCase( stripPrefix( commandData.params[vp.second.lenParam].name, "p" ) ) + " );\n";
}
resizes.pop_back();
switch ( commandData.successCodes.size() )
{
case 1:
{
assert( commandData.successCodes[0] == "VK_SUCCESS" );
std::string const callSequenceTemplate = R"(${dispatcher}${vkCommand}( ${firstCallArguments} );
${resizes}
${dispatcher}${vkCommand}( ${secondCallArguments} );
)";
return replaceWithMap( callSequenceTemplate,
{ { "dispatcher", dispatcher },
{ "firstCallArguments", firstCallArguments },
{ "secondCallArguments", secondCallArguments },
{ "resizes", resizes },
{ "vkCommand", name } } );
}
case 2:
{
assert( ( commandData.successCodes[0] == "VK_SUCCESS" ) && ( commandData.successCodes[1] == "VK_INCOMPLETE" ) );
std::string const callSequenceTemplate = R"(VULKAN_HPP_NAMESPACE::Result result;
do
{
result = static_cast<VULKAN_HPP_NAMESPACE::Result>( ${dispatcher}${vkCommand}( ${firstCallArguments} ) );
if ( ( result == VULKAN_HPP_NAMESPACE::Result::eSuccess ) && ${counterName} )
{
${resizes}
result = static_cast<VULKAN_HPP_NAMESPACE::Result>( ${dispatcher}${vkCommand}( ${secondCallArguments} ) );
}
} while ( result == VULKAN_HPP_NAMESPACE::Result::eIncomplete );)";
return replaceWithMap( callSequenceTemplate,
{ { "counterName", startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) ) },
{ "dispatcher", dispatcher },
{ "firstCallArguments", firstCallArguments },
{ "secondCallArguments", secondCallArguments },
{ "resizes", resizes },
{ "vkCommand", name } } );
}
default: assert( false ); return "";
}
}
else
{
// no need to enumerate here, just two calls
assert( commandData.returnType == "void" );
std::string const callSequenceTemplate = R"(${dispatcher}${vkCommand}( ${firstCallArguments} );
${vectorName}.resize( ${vectorSize} );
${dispatcher}${vkCommand}( ${secondCallArguments} );)";
return replaceWithMap( callSequenceTemplate,
{ { "dispatcher", dispatcher },
{ "firstCallArguments", firstCallArguments },
{ "secondCallArguments", secondCallArguments },
{ "vectorName", vectorName },
{ "vectorSize", vectorSize },
{ "vkCommand", name } } );
}
}
else if ( ( commandData.returnType == "VkResult" ) && ( ( 1 < commandData.successCodes.size() ) || !commandData.errorCodes.empty() ) )
{
std::string const callSequenceTemplate =
R"(VULKAN_HPP_NAMESPACE::Result result = static_cast<VULKAN_HPP_NAMESPACE::Result>( ${dispatcher}${vkCommand}( ${callArguments} ) );)";
std::string callArguments =
generateCallArgumentsEnhanced( commandData, initialSkipCount, false, singularParams, templatedParams, raii, raiiFactory, flavourFlags );
return replaceWithMap( callSequenceTemplate, { { "callArguments", callArguments }, { "dispatcher", dispatcher }, { "vkCommand", name } } );
}
else
{
std::string const callSequenceTemplate = R"(${resultAssignment}${dispatcher}${vkCommand}( ${callArguments} );)";
std::string callArguments =
generateCallArgumentsEnhanced( commandData, initialSkipCount, false, singularParams, templatedParams, raii, raiiFactory, flavourFlags );
std::string resultAssignment = generateResultAssignment( commandData );
return replaceWithMap(
callSequenceTemplate,
{ { "callArguments", callArguments }, { "dispatcher", dispatcher }, { "resultAssignment", resultAssignment }, { "vkCommand", name } } );
}
}
std::string
VulkanHppGenerator::generateCommand( std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::string cmd;
if ( commandData.returnType == "VkResult" )
{
cmd = generateCommandResult( name, commandData, initialSkipCount, definition, raii );
}
else if ( commandData.returnType == "void" )
{
cmd = generateCommandVoid( name, commandData, initialSkipCount, definition, raii );
}
else
{
cmd = generateCommandValue( name, commandData, initialSkipCount, definition, raii );
}
if ( cmd.empty() )
{
throw std::runtime_error( "Never encountered a function like <" + name + "> !" );
}
return cmd;
}
std::string VulkanHppGenerator::generateCommandDefinitions() const
{
const std::string commandDefinitionsTemplate = R"(
//===========================
//=== COMMAND Definitions ===
//===========================
${commandDefinitions}
)";
std::string commandDefinitions;
std::set<std::string> listedCommands; // some commands are listed with more than one extension!
for ( auto const & feature : m_features )
{
commandDefinitions += generateCommandDefinitions( feature.requireData, listedCommands, feature.name );
}
for ( auto const & extension : m_extensions )
{
commandDefinitions += generateCommandDefinitions( extension.requireData, listedCommands, extension.name );
}
return replaceWithMap( commandDefinitionsTemplate, { { "commandDefinitions", commandDefinitions } } );
}
std::string VulkanHppGenerator::generateCommandDefinitions( std::vector<RequireData> const & requireData,
std::set<std::string> & listedCommands,
std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
if ( listedCommands.insert( command ).second )
{
str += generateCommandDefinitions( command, getCommandData( command ).handle );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateCommandDefinitions( std::string const & command, std::string const & handle ) const
{
auto const & commandData = getCommandData( command );
std::string str = "\n" + generateCommand( command, commandData, handle.empty() ? 0 : 1, true, false );
// special handling for destroy functions, filter out alias functions
std::string commandName = generateCommandName( command, commandData.params, 1 );
if ( !m_commandAliases.contains( command ) && ( ( ( command.substr( 2, 7 ) == "Destroy" ) && ( commandName != "destroy" ) ) ||
( command.substr( 2, 4 ) == "Free" ) || ( command == "vkReleasePerformanceConfigurationINTEL" ) ) )
{
CommandData specialCommandData = commandData;
assert( ( 1 < specialCommandData.params.size() ) && ( specialCommandData.params[0].type.type == handle ) );
specialCommandData.params[1].optional = false; // make sure, the object to destroy/free/release is not optional in the shortened version!
std::string destroyCommandString = generateCommand( command, specialCommandData, handle.empty() ? 0 : 1, true, false );
std::string shortenedName;
if ( command.substr( 2, 7 ) == "Destroy" )
{
shortenedName = "destroy";
}
else if ( command.substr( 2, 4 ) == "Free" )
{
shortenedName = "free";
}
else
{
assert( command == "vkReleasePerformanceConfigurationINTEL" );
shortenedName = "release";
}
size_t pos = destroyCommandString.find( commandName );
while ( pos != std::string::npos )
{
destroyCommandString.replace( pos, commandName.length(), shortenedName );
pos = destroyCommandString.find( commandName, pos );
}
// special handling for "free", to prevent interfering with MSVC debug free!
if ( shortenedName == "free" )
{
std::string toEncloseString = stripPrefix( handle, "Vk" ) + "::free";
std::string enclosedString = "( " + toEncloseString + " )";
pos = destroyCommandString.find( toEncloseString );
while ( pos != std::string::npos )
{
destroyCommandString.replace( pos, toEncloseString.length(), enclosedString );
pos = destroyCommandString.find( toEncloseString, pos + enclosedString.length() );
}
}
// we need to remove the default argument for the first argument, to prevent ambiguities!
assert( 1 < commandData.params.size() );
pos = destroyCommandString.find( commandData.params[1].name ); // skip the standard version of the function
assert( pos != std::string::npos );
pos = destroyCommandString.find( commandData.params[1].name,
pos + 1 ); // get the argument to destroy in the advanced version
assert( pos != std::string::npos );
pos = destroyCommandString.find( " VULKAN_HPP_DEFAULT_ARGUMENT_ASSIGNMENT", pos );
if ( pos != std::string::npos )
{
destroyCommandString.erase( pos, strlen( " VULKAN_HPP_DEFAULT_ARGUMENT_ASSIGNMENT" ) );
}
str += "\n" + destroyCommandString;
}
return str;
}
std::string VulkanHppGenerator::generateCommandEnhanced( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
bool definition,
std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & returnParams,
CommandFlavourFlags flavourFlags ) const
{
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
assert( vectorParams.empty() || ( vectorParams.begin()->second.lenParam != INVALID_INDEX ) );
assert( !singular || !returnParams.empty() ); // if singular is true, then there is at least one returnParam !
std::set<size_t> skippedParams = determineSkippedParams( commandData.params, initialSkipCount, vectorParams, returnParams, singular );
std::set<size_t> templatedParams =
( flavourFlags & CommandFlavourFlagBits::keepVoidPtr ) ? std::set<size_t>() : determineVoidPointerParams( commandData.params );
std::vector<size_t> chainedReturnParams;
if ( chained )
{
chainedReturnParams = determineChainedReturnParams( commandData.params, returnParams );
assert( chainedReturnParams.size() == 1 );
}
std::set<size_t> singularParams = singular ? determineSingularParams( returnParams[0], vectorParams ) : std::set<size_t>();
std::pair<bool, std::map<size_t, std::vector<size_t>>> vectorSizeCheck =
needsVectorSizeCheck( commandData.params, vectorParams, returnParams, singularParams, skippedParams );
bool enumerating = determineEnumeration( vectorParams, returnParams );
std::vector<std::string> dataTypes = determineDataTypes( commandData.params, vectorParams, returnParams, templatedParams );
std::string dataType = combineDataTypes( vectorParams, returnParams, enumerating, dataTypes, flavourFlags, false );
std::string argumentTemplates = generateArgumentTemplates( commandData.params, returnParams, vectorParams, templatedParams, chainedReturnParams, false );
auto [allocatorTemplates, uniqueHandleAllocatorTemplates] =
generateAllocatorTemplates( returnParams, dataTypes, vectorParams, chainedReturnParams, flavourFlags, definition );
std::string typenameCheck = generateTypenameCheck( returnParams, vectorParams, chainedReturnParams, definition, dataTypes, flavourFlags );
std::string nodiscard = generateNoDiscard( !returnParams.empty(), 1 < commandData.successCodes.size(), 1 < commandData.errorCodes.size() );
std::string returnType = generateReturnType( returnParams, vectorParams, flavourFlags, false, dataTypes );
std::string decoratedReturnType = generateDecoratedReturnType( commandData, returnParams, vectorParams, flavourFlags, false, returnType );
std::string className = initialSkipCount ? stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" ) : "";
std::string classSeparator = commandData.handle.empty() ? "" : "::";
std::string commandName = generateCommandName( name, commandData.params, initialSkipCount, flavourFlags );
std::string argumentList = generateArgumentListEnhanced(
commandData.params, returnParams, vectorParams, skippedParams, singularParams, templatedParams, chainedReturnParams, definition, flavourFlags, true );
std::string constString = commandData.handle.empty() ? "" : " const";
std::string noexceptString = generateNoExcept( commandData.errorCodes, returnParams, vectorParams, flavourFlags, vectorSizeCheck.first, false );
if ( definition )
{
std::string vectorSizeCheckString =
vectorSizeCheck.first ? generateVectorSizeCheck( name, commandData, initialSkipCount, vectorSizeCheck.second, skippedParams, false ) : "";
std::string returnVariable = generateReturnVariable( commandData, returnParams, vectorParams, flavourFlags );
std::string dataDeclarations = generateDataDeclarations(
commandData, returnParams, vectorParams, templatedParams, flavourFlags, false, dataTypes, dataType, returnType, returnVariable );
std::string dataPreparation =
generateDataPreparation( commandData, initialSkipCount, returnParams, vectorParams, templatedParams, flavourFlags, enumerating );
std::string dataSizeChecks = generateDataSizeChecks( commandData, returnParams, dataTypes, vectorParams, templatedParams, singular );
std::string callSequence = generateCallSequence(
name, commandData, returnParams, vectorParams, initialSkipCount, singularParams, templatedParams, chainedReturnParams, flavourFlags, false, false );
std::string resultCheck = generateResultCheck( commandData, className, classSeparator, commandName, enumerating );
std::string returnStatement = generateReturnStatement( name,
commandData,
returnVariable,
returnType,
decoratedReturnType,
dataType,
initialSkipCount,
returnParams.empty() ? INVALID_INDEX : returnParams[0],
flavourFlags,
enumerating,
false );
std::string const functionTemplate =
R"( template <${argumentTemplates}${allocatorTemplates}typename Dispatch${uniqueHandleAllocatorTemplates}${typenameCheck}>
${nodiscard}VULKAN_HPP_INLINE ${decoratedReturnType} ${className}${classSeparator}${commandName}( ${argumentList} )${const}${noexcept}
{
VULKAN_HPP_ASSERT( d.getVkHeaderVersion() == VK_HEADER_VERSION );
${vectorSizeCheck}
${dataSizeChecks}
${dataDeclarations}
${callSequence}
${resultCheck}
${dataPreparation}
${returnStatement}
})";
return replaceWithMap( functionTemplate,
{ { "allocatorTemplates", allocatorTemplates },
{ "argumentList", argumentList },
{ "argumentTemplates", argumentTemplates },
{ "callSequence", callSequence },
{ "className", className },
{ "classSeparator", classSeparator },
{ "commandName", commandName },
{ "const", constString },
{ "dataDeclarations", dataDeclarations },
{ "dataPreparation", dataPreparation },
{ "dataSizeChecks", dataSizeChecks },
{ "decoratedReturnType", decoratedReturnType },
{ "nodiscard", nodiscard },
{ "noexcept", noexceptString },
{ "resultCheck", resultCheck },
{ "returnStatement", returnStatement },
{ "typenameCheck", typenameCheck },
{ "uniqueHandleAllocatorTemplates", uniqueHandleAllocatorTemplates },
{ "vectorSizeCheck", vectorSizeCheckString } } );
}
else
{
std::string const functionTemplate =
R"( template <${argumentTemplates}${allocatorTemplates}typename Dispatch = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE${uniqueHandleAllocatorTemplates}${typenameCheck}>
${nodiscard}${decoratedReturnType} ${commandName}( ${argumentList} )${const}${noexcept};)";
return replaceWithMap( functionTemplate,
{ { "allocatorTemplates", allocatorTemplates },
{ "argumentList", argumentList },
{ "argumentTemplates", argumentTemplates },
{ "commandName", commandName },
{ "const", commandData.handle.empty() ? "" : " const" },
{ "decoratedReturnType", decoratedReturnType },
{ "nodiscard", nodiscard },
{ "noexcept", noexceptString },
{ "typenameCheck", typenameCheck },
{ "uniqueHandleAllocatorTemplates", uniqueHandleAllocatorTemplates } } );
}
}
std::string VulkanHppGenerator::generateCommandName( std::string const & vulkanCommandName,
std::vector<ParamData> const & params,
size_t initialSkipCount,
CommandFlavourFlags flavourFlags ) const
{
std::string commandName( startLowerCase( stripPrefix( vulkanCommandName, "vk" ) ) );
for ( size_t i = initialSkipCount - 1; i < initialSkipCount; --i ) // count down to zero, then wrap around and stop
{
std::string const & argumentType = params[i].type.type;
std::string searchName = stripPrefix( argumentType, "Vk" );
std::string argumentTag = findTag( argumentType );
if ( !argumentTag.empty() )
{
searchName = stripPostfix( searchName, argumentTag );
}
size_t pos = commandName.find( searchName );
if ( pos == std::string::npos )
{
searchName = startLowerCase( searchName );
pos = commandName.find( searchName );
}
if ( pos != std::string::npos )
{
size_t len = searchName.length();
if ( commandName.find( searchName + "s" ) == pos )
{
// filter out any plural of the searchName as well!
++len;
}
commandName.erase( pos, len );
}
else if ( ( searchName == "commandBuffer" ) && commandName.starts_with( "cmd" ) )
{
commandName.erase( 0, 3 );
pos = 0;
}
if ( pos == 0 )
{
commandName = startLowerCase( commandName );
}
std::string commandTag = findTag( commandName );
if ( !argumentTag.empty() && ( argumentTag == commandTag ) )
{
commandName = stripPostfix( commandName, argumentTag );
}
}
if ( flavourFlags & CommandFlavourFlagBits::singular )
{
commandName = stripPluralS( commandName );
}
if ( flavourFlags & CommandFlavourFlagBits::unique )
{
commandName += "Unique";
}
return commandName;
}
std::string VulkanHppGenerator::generateCommandResult(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
assert( !commandData.successCodes.empty() );
if ( commandData.successCodes.size() == 1 )
{
return generateCommandResultSingleSuccess( name, commandData, initialSkipCount, definition, raii );
}
else if ( commandData.errorCodes.empty() )
{
return generateCommandResultMultiSuccessNoErrors( name, commandData, initialSkipCount, definition, raii );
}
else
{
return generateCommandResultMultiSuccessWithErrors( name, commandData, initialSkipCount, definition, raii );
}
}
std::string VulkanHppGenerator::generateCommandResultMultiSuccessNoErrors(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::vector<size_t> returnParams = determineReturnParams( commandData.params );
switch ( returnParams.size() )
{
case 0:
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
std::vector<size_t> constPointerParams = determineConstPointerParams( commandData.params );
if ( constPointerParams.empty() )
{
return generateCommandSetExclusive( name, commandData, initialSkipCount, definition, raii );
}
}
}
break;
case 2:
if ( ( commandData.successCodes.size() == 2 ) && ( commandData.successCodes[0] == "VK_SUCCESS" ) && ( commandData.successCodes[1] == "VK_INCOMPLETE" ) )
{
if ( ( commandData.params[returnParams[0]].type.type == "size_t" ) || ( commandData.params[returnParams[0]].type.type == "uint32_t" ) )
{
if ( ( commandData.params[returnParams[1]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[1]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 1 )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
}
}
}
break;
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultMultiSuccessWithErrors(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::vector<size_t> returnParams = determineReturnParams( commandData.params );
switch ( returnParams.size() )
{
case 0: return generateCommandResultWithErrors0Return( name, commandData, initialSkipCount, definition, raii );
case 1: return generateCommandResultMultiSuccessWithErrors1Return( name, commandData, initialSkipCount, definition, returnParams[0], raii );
case 2: return generateCommandResultMultiSuccessWithErrors2Return( name, commandData, initialSkipCount, definition, returnParams, raii );
case 3: return generateCommandResultMultiSuccessWithErrors3Return( name, commandData, initialSkipCount, definition, returnParams, raii );
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultMultiSuccessWithErrors1Return(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
if ( commandData.params[returnParam].type.type == "void" )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 1 )
{
if ( returnParam == vectorParams.begin()->first )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.isValue() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
}
}
else if ( isHandleType( commandData.params[returnParam].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 2 )
{
if ( returnParam == std::next( vectorParams.begin() )->first )
{
if ( vectorParams.begin()->second.lenParam == std::next( vectorParams.begin() )->second.lenParam )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.type == "uint32_t" )
{
if ( ( ( commandData.params[vectorParams.begin()->first].type.type != "void" ) &&
!isHandleType( commandData.params[vectorParams.begin()->first].type.type ) ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
true,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator, CommandFlavourFlagBits::singular },
raii,
true,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
}
}
}
}
else if ( isStructureChainAnchor( commandData.params[returnParam].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
#if 0
// needs to be verified ...
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained },
raii, false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained } );
#endif
return "";
}
}
else
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultMultiSuccessWithErrors2Return( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
bool definition,
std::vector<size_t> const & returnParams,
bool raii ) const
{
if ( ( commandData.successCodes.size() == 2 ) && ( commandData.successCodes[0] == "VK_SUCCESS" ) && ( commandData.successCodes[1] == "VK_INCOMPLETE" ) )
{
if ( ( commandData.params[returnParams[0]].type.type == "size_t" ) || ( commandData.params[returnParams[0]].type.type == "uint32_t" ) )
{
// needs some very special handling of "vkGetSwapchainImagesKHR" !!
if ( isHandleType( commandData.params[returnParams[1]].type.type ) && ( name != "vkGetSwapchainImagesKHR" ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 1 )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
true,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
}
else if ( isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 1 )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced,
CommandFlavourFlagBits::withAllocator,
CommandFlavourFlagBits::chained,
CommandFlavourFlagBits::chained | CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained } );
}
}
}
}
else
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 1 )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
}
}
else if ( ( commandData.params[returnParams[0]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[0]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[0]].type.type ) )
{
if ( ( commandData.params[returnParams[1]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[1]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultMultiSuccessWithErrors3Return( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
bool definition,
std::vector<size_t> const & returnParams,
bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
switch ( vectorParams.size() )
{
case 1:
if ( ( commandData.params[returnParams[0]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[0]].type.type ) )
{
if ( ( commandData.params[returnParams[1]].type.type == "size_t" ) || ( commandData.params[returnParams[1]].type.type == "uint32_t" ) )
{
if ( ( commandData.params[returnParams[2]].type.type == "void" ) ||
( !isHandleType( commandData.params[returnParams[2]].type.type ) && !isStructureChainAnchor( commandData.params[returnParams[2]].type.type ) ) )
{
if ( returnParams[1] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[2] == vectorParams.begin()->first )
{
std::vector<CommandFlavourFlags> flags = { CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator };
std::vector<CommandFlavourFlags> raiiFlags = { CommandFlavourFlagBits::enhanced };
if ( isStructureChainAnchor( commandData.params[returnParams[0]].type.type ) )
{
flags.push_back( CommandFlavourFlagBits::chained );
flags.push_back( CommandFlavourFlagBits::chained | CommandFlavourFlagBits::withAllocator );
raiiFlags.push_back( CommandFlavourFlagBits::chained );
}
return generateCommandSetInclusive(
name, commandData, initialSkipCount, definition, returnParams, vectorParams, false, flags, raii, false, raiiFlags );
}
}
}
}
}
break;
case 2:
if ( commandData.params[returnParams[0]].type.type == "uint32_t" )
{
if ( ( commandData.params[returnParams[1]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[1]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
if ( ( commandData.params[returnParams[2]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[2]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[2]].type.type ) )
{
if ( vectorParams.begin()->second.lenParam == std::next( vectorParams.begin() )->second.lenParam )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
if ( returnParams[2] == std::next( vectorParams.begin() )->first )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
}
}
}
}
break;
default: assert( false ); break;
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccess(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
if ( commandData.errorCodes.empty() )
{
return generateCommandResultSingleSuccessNoErrors( name, commandData, initialSkipCount, definition, raii );
}
else
{
return generateCommandResultSingleSuccessWithErrors( name, commandData, initialSkipCount, definition, raii );
}
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessNoErrors(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::vector<size_t> returnParams = determineReturnParams( commandData.params );
switch ( returnParams.size() )
{
case 0:
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
switch ( vectorParams.size() )
{
case 0:
if ( determineConstPointerParams( commandData.params ).empty() )
{
return generateCommandSetExclusive( name, commandData, initialSkipCount, definition, raii );
}
else
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
break;
case 1:
if ( !raii )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.isValue() )
{
if ( isHandleType( commandData.params[vectorParams.begin()->first].type.type ) )
{
return generateCommandSet( definition,
generateCommandStandard( name, commandData, initialSkipCount, definition ),
{ generateCommandEnhanced( name, commandData, initialSkipCount, definition, vectorParams, {} ) } );
}
}
}
break;
}
}
break;
case 1:
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
if ( ( commandData.params[returnParams[0]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[0]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[0]].type.type ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
break;
case 2:
if ( ( commandData.params[returnParams[0]].type.type == "size_t" ) || ( commandData.params[returnParams[0]].type.type == "uint32_t" ) )
{
if ( ( commandData.params[returnParams[1]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[1]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 1 )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
}
}
break;
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::vector<size_t> returnParams = determineReturnParams( commandData.params );
switch ( returnParams.size() )
{
case 0: return generateCommandResultWithErrors0Return( name, commandData, initialSkipCount, definition, raii );
case 1: return generateCommandResultSingleSuccessWithErrors1Return( name, commandData, initialSkipCount, definition, returnParams[0], raii );
case 2: return generateCommandResultSingleSuccessWithErrors2Return( name, commandData, initialSkipCount, definition, returnParams, raii );
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors1Return(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
if ( commandData.params[returnParam].type.type == "void" )
{
return generateCommandResultSingleSuccessWithErrors1ReturnVoid( name, commandData, initialSkipCount, definition, returnParam, raii );
}
else if ( isHandleType( commandData.params[returnParam].type.type ) )
{
return generateCommandResultSingleSuccessWithErrors1ReturnHandle( name, commandData, initialSkipCount, definition, returnParam, raii );
}
else if ( isStructureChainAnchor( commandData.params[returnParam].type.type ) )
{
return generateCommandResultSingleSuccessWithErrors1ReturnChain( name, commandData, initialSkipCount, definition, returnParam, raii );
}
else
{
return generateCommandResultSingleSuccessWithErrors1ReturnValue( name, commandData, initialSkipCount, definition, returnParam, raii );
}
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors1ReturnChain(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained } );
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors1ReturnHandle(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
switch ( vectorParams.size() )
{
case 0:
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
true,
{ CommandFlavourFlagBits::enhanced },
raii,
true,
{ CommandFlavourFlagBits::enhanced } );
case 1:
if ( returnParam == vectorParams.begin()->first )
{
if ( isLenByStructMember( commandData.params[vectorParams.begin()->first].lenExpression, commandData.params[vectorParams.begin()->second.lenParam] ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
true,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
true,
{ CommandFlavourFlagBits::enhanced } );
}
}
break;
case 2:
if ( returnParam == std::next( vectorParams.begin() )->first )
{
if ( vectorParams.begin()->second.lenParam == std::next( vectorParams.begin() )->second.lenParam )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.isValue() )
{
if ( ( commandData.params[vectorParams.begin()->first].type.type != "void" ) &&
!isHandleType( commandData.params[vectorParams.begin()->first].type.type ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
true,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator, CommandFlavourFlagBits::singular },
raii,
true,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
}
}
break;
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors1ReturnValue(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
switch ( vectorParams.size() )
{
case 0:
{
CommandFlavourFlags flavourFlags = CommandFlavourFlagBits::enhanced;
if ( name == "vkGetMemoryHostPointerPropertiesEXT" )
{
// special handling for this function: need to keep the void* argument as a void*!
flavourFlags |= CommandFlavourFlagBits::keepVoidPtr;
}
return generateCommandSetInclusive(
name, commandData, initialSkipCount, definition, { returnParam }, vectorParams, false, { flavourFlags }, raii, false, { flavourFlags } );
}
case 2:
if ( returnParam == std::next( vectorParams.begin() )->first )
{
if ( vectorParams.begin()->second.lenParam == std::next( vectorParams.begin() )->second.lenParam )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.type == "uint32_t" )
{
if ( ( commandData.params[vectorParams.begin()->first].type.type != "void" ) &&
!isHandleType( commandData.params[vectorParams.begin()->first].type.type ) &&
!isStructureChainAnchor( commandData.params[vectorParams.begin()->first].type.type ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator, CommandFlavourFlagBits::singular },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
}
}
break;
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors1ReturnVoid(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
switch ( vectorParams.size() )
{
case 0:
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
case 1:
if ( returnParam == vectorParams.begin()->first )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.isValue() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
break;
case 2:
if ( returnParam == std::next( vectorParams.begin() )->first )
{
if ( vectorParams.begin()->second.lenParam != std::next( vectorParams.begin() )->second.lenParam )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.isValue() )
{
if ( isHandleType( commandData.params[vectorParams.begin()->first].type.type ) )
{
if ( commandData.params[std::next( vectorParams.begin() )->second.lenParam].type.isValue() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
}
}
}
break;
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultSingleSuccessWithErrors2Return( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
bool definition,
std::vector<size_t> const & returnParams,
bool raii ) const
{
if ( ( commandData.params[returnParams[0]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[0]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[0]].type.type ) )
{
if ( ( commandData.params[returnParams[1]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[1]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.size() == 2 )
{
if ( returnParams[0] == std::next( vectorParams.begin() )->first )
{
if ( !vectorParams.contains( returnParams[1] ) )
{
assert( ( returnParams[1] != vectorParams.begin()->second.lenParam ) && ( returnParams[1] != std::next( vectorParams.begin() )->second.lenParam ) );
if ( vectorParams.begin()->second.lenParam == std::next( vectorParams.begin() )->second.lenParam )
{
if ( commandData.params[vectorParams.begin()->second.lenParam].type.isValue() )
{
if ( ( commandData.params[vectorParams.begin()->first].type.type != "void" ) &&
!isHandleType( commandData.params[vectorParams.begin()->first].type.type ) &&
!isStructureChainAnchor( commandData.params[vectorParams.begin()->first].type.type ) )
{
return generateCommandSetInclusive(
name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator, CommandFlavourFlagBits::singular },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::singular } );
}
}
}
}
}
}
}
}
return "";
}
std::string VulkanHppGenerator::generateCommandResultWithErrors0Return(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() && determineConstPointerParams( commandData.params ).empty() )
{
return generateCommandSetExclusive( name, commandData, initialSkipCount, definition, raii );
}
else if ( allVectorSizesSupported( commandData.params, vectorParams ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{},
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
return "";
}
std::string VulkanHppGenerator::generateCommandSet( bool definition,
std::string const & standard,
std::vector<std::string> const & enhanced,
std::vector<std::string> const & unique ) const
{
assert( unique.empty() || ( enhanced.size() == unique.size() ) );
std::string commandSet = "\n" + standard;
if ( !enhanced.empty() )
{
std::string separator = definition ? "\n" : "";
commandSet += separator + "\n#ifndef VULKAN_HPP_DISABLE_ENHANCED_MODE\n";
bool firstEnhanced = true;
for ( auto const & e : enhanced )
{
if ( !firstEnhanced )
{
commandSet += separator + "\n";
}
firstEnhanced = false;
commandSet += e;
}
if ( !unique.empty() )
{
commandSet += separator + "\n# ifndef VULKAN_HPP_NO_SMART_HANDLE\n";
bool firstUnique = true;
for ( auto const & u : unique )
{
if ( !firstUnique )
{
commandSet += separator + "\n";
}
firstUnique = false;
commandSet += u;
}
commandSet += "\n# endif /* VULKAN_HPP_NO_SMART_HANDLE */";
}
commandSet += "\n#endif /* VULKAN_HPP_DISABLE_ENHANCED_MODE */";
}
commandSet += "\n";
return commandSet;
}
std::string VulkanHppGenerator::generateCommandSet( std::string const & standard, std::string const & enhanced ) const
{
const std::string commandTemplate = R"(
#ifdef VULKAN_HPP_DISABLE_ENHANCED_MODE
${commandStandard}
#else
${commandEnhanced}
#endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
)";
return replaceWithMap( commandTemplate, std::map<std::string, std::string>( { { "commandEnhanced", enhanced }, { "commandStandard", standard } } ) );
}
std::string VulkanHppGenerator::generateCommandSetExclusive(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
if ( raii )
{
return generateRAIIHandleCommandEnhanced( name, commandData, initialSkipCount, {}, {}, definition );
}
else
{
return generateCommandSet( generateCommandStandard( name, commandData, initialSkipCount, definition ),
generateCommandEnhanced( name, commandData, initialSkipCount, definition, {}, {} ) );
}
}
std::string VulkanHppGenerator::generateCommandSetInclusive( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
bool definition,
std::vector<size_t> returnParams,
std::map<size_t, VectorParamData> vectorParams,
bool unique,
std::vector<CommandFlavourFlags> const & flags,
bool raii,
bool raiiFactory,
std::vector<CommandFlavourFlags> const & raiiFlags ) const
{
static const std::vector<size_t> emptyReturnParams;
static const std::map<size_t, VectorParamData> emptyVectorParams;
if ( raii )
{
std::string raiiCommands;
for ( auto flag : raiiFlags )
{
bool noReturn = flag & CommandFlavourFlagBits::noReturn;
assert( !noReturn || !raiiFactory ); // noReturn => !raiiFactory
raiiCommands +=
raiiFactory
? generateRAIIHandleCommandFactory( name, commandData, initialSkipCount, returnParams, vectorParams, definition, flag )
: generateRAIIHandleCommandEnhanced(
name, commandData, initialSkipCount, noReturn ? emptyReturnParams : returnParams, noReturn ? emptyVectorParams : vectorParams, definition, flag );
}
return raiiCommands;
}
else
{
std::vector<std::string> enhancedCommands, uniqueCommands;
for ( auto flag : flags )
{
bool noReturn = flag & CommandFlavourFlagBits::noReturn;
assert( !noReturn || !unique ); // noReturn => !unique
enhancedCommands.push_back( generateCommandEnhanced(
name, commandData, initialSkipCount, definition, noReturn ? emptyVectorParams : vectorParams, noReturn ? emptyReturnParams : returnParams, flag ) );
if ( unique )
{
uniqueCommands.push_back(
generateCommandEnhanced( name, commandData, initialSkipCount, definition, vectorParams, returnParams, flag | CommandFlavourFlagBits::unique ) );
}
}
return generateCommandSet( definition, generateCommandStandard( name, commandData, initialSkipCount, definition ), enhancedCommands, uniqueCommands );
}
}
std::string
VulkanHppGenerator::generateCommandStandard( std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition ) const
{
std::set<size_t> skippedParams = determineSkippedParams( commandData.params, initialSkipCount, {}, {}, false );
std::string argumentList = generateArgumentListStandard( commandData.params, skippedParams );
std::string commandName = generateCommandName( name, commandData.params, initialSkipCount );
std::string nodiscard = ( 1 < commandData.successCodes.size() + commandData.errorCodes.size() ) ? "VULKAN_HPP_NODISCARD " : "";
std::string returnType = stripPrefix( commandData.returnType, "Vk" );
if ( definition )
{
std::string functionBody = "d." + name + "( " + generateCallArgumentsStandard( commandData.handle, commandData.params ) + " )";
if ( commandData.returnType.starts_with( "Vk" ) )
{
functionBody = "return static_cast<" + returnType + ">( " + functionBody + " )";
}
else if ( commandData.returnType != "void" )
{
functionBody = "return " + functionBody;
}
std::string const functionTemplate =
R"( template <typename Dispatch>
${nodiscard}VULKAN_HPP_INLINE ${returnType} ${className}${classSeparator}${commandName}( ${argumentList} )${const} VULKAN_HPP_NOEXCEPT
{
VULKAN_HPP_ASSERT( d.getVkHeaderVersion() == VK_HEADER_VERSION );
${functionBody};
})";
return replaceWithMap( functionTemplate,
{ { "argumentList", argumentList },
{ "className", initialSkipCount ? stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" ) : "" },
{ "classSeparator", commandData.handle.empty() ? "" : "::" },
{ "commandName", commandName },
{ "const", commandData.handle.empty() ? "" : " const" },
{ "functionBody", functionBody },
{ "nodiscard", nodiscard },
{ "returnType", returnType } } );
}
else
{
std::string const functionTemplate =
R"( template <typename Dispatch = VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>
${nodiscard}${returnType} ${commandName}( ${argumentList} VULKAN_HPP_DEFAULT_DISPATCHER_ASSIGNMENT )${const} VULKAN_HPP_NOEXCEPT;)";
return replaceWithMap( functionTemplate,
{ { "argumentList", argumentList },
{ "commandName", commandName },
{ "const", commandData.handle.empty() ? "" : " const" },
{ "nodiscard", nodiscard },
{ "returnType", returnType } } );
}
}
std::string VulkanHppGenerator::generateCommandVoid(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::vector<size_t> returnParams = determineReturnParams( commandData.params );
switch ( returnParams.size() )
{
case 0: return generateCommandVoid0Return( name, commandData, initialSkipCount, definition, raii );
case 1: return generateCommandVoid1Return( name, commandData, initialSkipCount, definition, returnParams[0], raii );
case 2: return generateCommandVoid2Return( name, commandData, initialSkipCount, definition, returnParams, raii );
}
return "";
}
std::string VulkanHppGenerator::generateCommandValue(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::vector<size_t> returnParams = determineReturnParams( commandData.params );
if ( returnParams.empty() )
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() )
{
if ( determineConstPointerParams( commandData.params ).empty() )
{
return generateCommandSetInclusive(
name, commandData, initialSkipCount, definition, {}, vectorParams, false, {}, raii, false, { CommandFlavourFlagBits::enhanced } );
}
else
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{},
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
else if ( vectorParams.size() <= 1 )
{
if ( !raii )
{
return generateCommandSet( definition,
generateCommandStandard( name, commandData, initialSkipCount, definition ),
{ generateCommandEnhanced( name, commandData, initialSkipCount, definition, vectorParams, returnParams ) } );
}
}
}
return "";
}
std::string VulkanHppGenerator::generateCommandVoid0Return(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( vectorParams.empty() && determineConstPointerParams( commandData.params ).empty() )
{
return generateCommandSetInclusive(
name, commandData, initialSkipCount, definition, {}, vectorParams, false, {}, raii, false, { CommandFlavourFlagBits::enhanced } );
}
else if ( allVectorSizesSupported( commandData.params, vectorParams ) )
{
// All the vectorParams have a counter by value, of type "uint32_t", "VkDeviceSize", or "VkSampleCountFlagBits" (!)
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{},
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
return "";
}
std::string VulkanHppGenerator::generateCommandVoid1Return(
std::string const & name, CommandData const & commandData, size_t initialSkipCount, bool definition, size_t returnParam, bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
if ( ( commandData.params[returnParam].type.type == "void" ) )
{
switch ( vectorParams.size() )
{
case 0:
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
case 1:
if ( returnParam == vectorParams.begin()->first )
{
if ( name == stripPluralS( name ) )
{
std::vector<CommandFlavourFlags> flavourFlags;
if ( name == "vkGetDescriptorEXT" )
{
// special handling for this function: do not return the void*, but keep its argument as it is
flavourFlags.push_back( CommandFlavourFlagBits::noReturn | CommandFlavourFlagBits::keepVoidPtr );
}
flavourFlags.push_back( CommandFlavourFlagBits::singular );
return generateCommandSetInclusive(
name, commandData, initialSkipCount, definition, { returnParam }, vectorParams, false, flavourFlags, raii, false, flavourFlags );
}
}
break;
}
}
else if ( isHandleType( commandData.params[returnParam].type.type ) )
{
if ( vectorParams.empty() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
true,
{ CommandFlavourFlagBits::enhanced } );
}
}
else if ( isStructureChainAnchor( commandData.params[returnParam].type.type ) )
{
if ( vectorParams.empty() )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained } );
}
}
else
{
switch ( vectorParams.size() )
{
case 0:
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
case 1:
if ( returnParam == vectorParams.begin()->first )
{
if ( !raii )
{
// you get a vector of stuff, with the size being one of the parameters
return generateCommandSet(
definition,
generateCommandStandard( name, commandData, initialSkipCount, definition ),
{ generateCommandEnhanced( name, commandData, initialSkipCount, definition, vectorParams, { returnParam } ),
generateCommandEnhanced(
name, commandData, initialSkipCount, definition, vectorParams, { returnParam }, CommandFlavourFlagBits::withAllocator ) } );
}
}
else
{
if ( !isHandleType( commandData.params[vectorParams.begin()->first].type.type ) &&
!isStructureChainAnchor( commandData.params[vectorParams.begin()->first].type.type ) &&
( commandData.params[vectorParams.begin()->first].type.type != "void" ) )
{
if ( isLenByStructMember( commandData.params[vectorParams.begin()->first].lenExpression,
commandData.params[vectorParams.begin()->second.lenParam] ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
{ returnParam },
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
break;
}
}
return "";
}
std::string VulkanHppGenerator::generateCommandVoid2Return( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
bool definition,
std::vector<size_t> const & returnParams,
bool raii ) const
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( commandData.params );
switch ( vectorParams.size() )
{
case 0:
if ( ( commandData.params[returnParams[0]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[0]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[0]].type.type ) )
{
if ( ( commandData.params[returnParams[1]].type.type != "void" ) && !isHandleType( commandData.params[returnParams[1]].type.type ) &&
!isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
break;
case 1:
if ( ( returnParams[0] == vectorParams.begin()->second.lenParam ) && ( commandData.params[returnParams[0]].type.type == "uint32_t" ) )
{
if ( returnParams[1] == vectorParams.begin()->first )
{
if ( isStructureChainAnchor( commandData.params[returnParams[1]].type.type ) )
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced,
CommandFlavourFlagBits::withAllocator,
CommandFlavourFlagBits::chained,
CommandFlavourFlagBits::chained | CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::chained } );
}
else
{
return generateCommandSetInclusive( name,
commandData,
initialSkipCount,
definition,
returnParams,
vectorParams,
false,
{ CommandFlavourFlagBits::enhanced, CommandFlavourFlagBits::withAllocator },
raii,
false,
{ CommandFlavourFlagBits::enhanced } );
}
}
}
break;
default: break;
}
return "";
}
std::string VulkanHppGenerator::generateConstexprString( std::string const & structName ) const
{
// structs with a VkBaseInStructure and VkBaseOutStructure can't be a constexpr!
bool isConstExpression = ( structName != "VkBaseInStructure" ) && ( structName != "VkBaseOutStructure" );
return isConstExpression ? ( std::string( "VULKAN_HPP_CONSTEXPR" ) + ( ( containsUnion( structName ) || containsArray( structName ) ) ? "_14 " : " " ) ) : "";
}
std::string VulkanHppGenerator::generateConstexprDefines() const
{
auto const constexprFunctionTemplate = std::string{ R"( template <typename T, typename = typename std::enable_if<std::is_integral<T>::value>::type>
${deprecated}VULKAN_HPP_CONSTEXPR uint32_t ${constName}( ${arguments} )
{
return ${implementation};
}
)" };
auto const constexprCallTemplate = std::string{ R"( ${deprecated}VULKAN_HPP_CONSTEXPR_INLINE auto ${constName} = ${callee}( ${arguments} );
)" };
auto const constexprValueTemplate = std::string{ R"( ${deprecated}VULKAN_HPP_CONSTEXPR_INLINE ${type} ${constName} = ${value};
)" };
auto const deprecatedAttribute = std::string{ R"(VULKAN_HPP_DEPRECATED("${reason}") )" };
// handle the value and callee macros first so they are visible for use in functions below.
auto constexprDefines = std::string{ R"(
//===========================
//=== CONSTEXPR CONSTANTs ===
//===========================
)" };
{
auto const generateConstantsAndProtection =
[&constexprValueTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title, std::set<std::string> & listedConstants )
{
auto constants = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & constant : require.constants )
{
if ( !listedConstants.contains( constant ) )
{
auto constIt = m_constants.find( constant );
if ( constIt == m_constants.end() )
{
auto aliasIt = m_constantAliases.find( constant );
assert( aliasIt != m_constantAliases.end() );
constIt = m_constants.find( aliasIt->second.name );
assert( constIt != m_constants.end() );
}
std::string tag = findTag( constant );
constants += replaceWithMap( constexprValueTemplate,
{ { "type", constIt->second.type },
{ "constName", stripPrefix( toCamelCase( stripPostfix( constant, tag ) ), "Vk" ) + tag },
{ "deprecated", "" },
{ "value", constant } } );
listedConstants.insert( constant );
}
}
}
return addTitleAndProtection( title, constants );
};
std::set<std::string> listedConstants;
for ( auto const & feature : m_features )
{
constexprDefines += generateConstantsAndProtection( feature.requireData, feature.name, listedConstants );
}
for ( auto const & extension : m_extensions )
{
constexprDefines += generateConstantsAndProtection( extension.requireData, extension.name, listedConstants );
}
}
// values
constexprDefines += R"(
//========================
//=== CONSTEXPR VALUEs ===
//========================
)";
for ( auto const & [macro, data] : m_definesPartition.values )
{
auto const deprecated = data.deprecated ? replaceWithMap( deprecatedAttribute, { { "reason", data.deprecationReason } } ) : "";
// make `macro` PascalCase and strip the `Vk` prefix
auto const constName = stripPrefix( toCamelCase( macro ), "Vk" );
auto const valueString =
replaceWithMap( constexprValueTemplate, { { "type", "uint32_t" }, { "constName", constName }, { "deprecated", deprecated }, { "value", macro } } );
constexprDefines += valueString;
}
// functions
constexprDefines += R"(
//=========================
//=== CONSTEXPR CALLEEs ===
//=========================
)";
for ( auto const & [macro, data] : m_definesPartition.callees )
{
auto const deprecated = data.deprecated ? replaceWithMap( deprecatedAttribute, { { "reason", data.deprecationReason } } ) : "";
// make `macro` camelCase and strip the `Vk` prefix
auto const constName = startLowerCase( stripPrefix( toCamelCase( macro ), "Vk" ) );
// for every parameter, need to use auto const and append a comma if needed (i.e. has more than one parameter, and not for the last one)
auto parametersString = std::string{};
for ( auto const & paramString : data.params )
{
parametersString += "T const " + paramString + ", ";
}
// trim the last two characters (i.e. the last comma and the space)
parametersString.resize( parametersString.size() - 2 );
auto const functionString = replaceWithMap(
constexprFunctionTemplate,
{ { "arguments", parametersString }, { "constName", constName }, { "deprecated", deprecated }, { "implementation", data.possibleDefinition } } );
constexprDefines += functionString;
}
// callers
constexprDefines += R"(
//=========================
//=== CONSTEXPR CALLERs ===
//=========================
)";
for ( auto const & [macro, data] : m_definesPartition.callers )
{
auto const deprecated = data.deprecated ? replaceWithMap( deprecatedAttribute, { { "reason", data.deprecationReason } } ) : "";
// make `macro` PascalCase and strip the `Vk` prefix
auto const constName = stripPrefix( toCamelCase( macro ), "Vk" );
auto argumentsString = std::string{};
// for every argument, append a comma if needed (i.e. has more than one parameter, and not for the last one)
for ( auto const & argString : data.params )
{
argumentsString += argString + ", ";
}
// trim the last two characters (i.e. the last comma and the space)
argumentsString.resize( argumentsString.size() - 2 );
auto const callerString = replaceWithMap(
constexprCallTemplate,
{ { "arguments", argumentsString }, { "callee", startLowerCase( data.possibleCallee ) }, { "constName", constName }, { "deprecated", deprecated } } );
constexprDefines += callerString;
}
// extension constexprs
auto const extensionConstexprDefinesTemplate = std::string{ R"(
//=================================
//=== CONSTEXPR EXTENSION NAMEs ===
//=================================
${extensionConstexprs}
)" };
auto extensionConstexprs = std::string{};
static auto const extensionTemplate = std::string{ R"(${deprecated}VULKAN_HPP_CONSTEXPR_INLINE auto ${var} = ${macro};
)" };
static auto const deprecatedPrefixTemplate = std::string{ R"(VULKAN_HPP_DEPRECATED( ${message} ) )" };
static auto const deprecatedByMessageTemplate = std::string{ R"("The ${extensionName} extension has been deprecated by ${deprecatedBy}.")" };
static auto const deprecatedMessageTemplate = std::string{ R"("The ${extensionName} extension has been deprecated.")" };
static auto const obsoletedMessageTemplate = std::string{ R"("The ${extensionName} extension has been obsoleted by ${obsoletedBy}.")" };
static auto const promotedVersionMessageTemplate = std::string{ R"("The ${extensionName} extension has been promoted to core in version ${promotedTo}." )" };
static auto const promotedExtensionMessageTemplate = std::string{ R"("The ${extensionName} extension has been promoted to ${promotedTo}.")" };
// I really, really wish C++ had discards for structured bindings...
for ( auto const & extension : m_extensions )
{
auto const & requireDatas = extension.requireData;
// assert that requireDatas has at least one require...
// and the first require has at least two enumConstants, which we are going to use
assert( requireDatas.size() >= 1 );
assert( requireDatas.front().enumConstants.size() >= 2 );
auto const & enumConstants = requireDatas.front().enumConstants;
auto const VENDORPascalCaseStripPrefix = []( std::string const & macro )
{
auto prefixStripped = stripPrefix( macro, "VK_" );
auto const vendor = prefixStripped.substr( 0, prefixStripped.find( '_' ) );
return vendor + toCamelCase( stripPrefix( prefixStripped, vendor + "_" ) );
};
// add asserts so we don't get a nullptr exception below
auto const & extensionMacroPtr =
std::find_if( enumConstants.begin(), enumConstants.end(), []( auto const & keyval ) { return keyval.first.ends_with( "_EXTENSION_NAME" ); } );
auto const & specVersionMacroPtr =
std::find_if( enumConstants.begin(), enumConstants.end(), []( auto const & keyval ) { return keyval.first.ends_with( "_SPEC_VERSION" ); } );
assert( extensionMacroPtr != enumConstants.end() );
assert( specVersionMacroPtr != enumConstants.end() );
auto const & extensionMacro = extensionMacroPtr->first;
auto const & specVersionMacro = specVersionMacroPtr->first;
auto const extensionVar = VENDORPascalCaseStripPrefix( extensionMacro );
auto const specVersionVar = VENDORPascalCaseStripPrefix( specVersionMacro );
std::string deprecationMessage;
if ( extension.isDeprecated )
{
assert( extension.obsoletedBy.empty() && extension.promotedTo.empty() );
deprecationMessage = extension.deprecatedBy.empty()
? replaceWithMap( deprecatedMessageTemplate, { { "extensionName", extension.name } } )
: replaceWithMap( deprecatedByMessageTemplate, { { "extensionName", extension.name }, { "deprecatedBy", extension.deprecatedBy } } );
}
else if ( !extension.obsoletedBy.empty() )
{
assert( extension.promotedTo.empty() );
deprecationMessage = replaceWithMap( obsoletedMessageTemplate, { { "extensionName", extension.name }, { "obsoletedBy", extension.obsoletedBy } } );
}
else if ( !extension.promotedTo.empty() )
{
if ( extension.promotedTo.starts_with( "VK_VERSION_" ) )
{
auto version = stripPrefix( extension.promotedTo, "VK_VERSION_" );
std::replace( version.begin(), version.end(), '_', '.' );
deprecationMessage = replaceWithMap( promotedVersionMessageTemplate, { { "extensionName", extension.name }, { "promotedTo", version } } );
}
else
{
deprecationMessage =
replaceWithMap( promotedExtensionMessageTemplate, { { "extensionName", extension.name }, { "promotedTo", extension.promotedTo } } );
}
}
auto const deprecatedPrefix = deprecationMessage.empty() ? "" : replaceWithMap( deprecatedPrefixTemplate, { { "message", deprecationMessage } } );
auto const thisExtensionConstexprs =
replaceWithMap( extensionTemplate, { { "deprecated", deprecatedPrefix }, { "macro", extensionMacro }, { "var", extensionVar } } ) +
replaceWithMap( extensionTemplate, { { "deprecated", deprecatedPrefix }, { "macro", specVersionMacro }, { "var", specVersionVar } } );
extensionConstexprs += addTitleAndProtection( extension.name, thisExtensionConstexprs );
}
constexprDefines += replaceWithMap( extensionConstexprDefinesTemplate, { { "extensionConstexprs", extensionConstexprs } } );
return constexprDefines;
}
std::string VulkanHppGenerator::generateConstexprUsings() const
{
auto constexprUsings = std::string{ R"(
//===========================
//=== CONSTEXPR CONSTANTs ===
//===========================
)" };
auto const constexprUsingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${constName};
)" };
auto const pascalCasePrefixStrip = []( std::string const & macro ) { return stripPrefix( toCamelCase( macro ), "Vk" ); };
auto const camelCasePrefixStrip = []( std::string const & macro ) { return startLowerCase( stripPrefix( toCamelCase( macro ), "Vk" ) ); };
auto const VENDORCasePrefixStrip = []( std::string const & macro )
{
auto prefixStripped = stripPrefix( macro, "VK_" );
auto const vendor = prefixStripped.substr( 0, prefixStripped.find( '_' ) );
return vendor + toCamelCase( stripPrefix( prefixStripped, vendor + "_" ) );
};
// constants
{
auto const generateConstantsAndProtection =
[&]( std::vector<RequireData> const & requireData, std::string const & title, std::set<std::string> & listedConstants )
{
auto constants = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & constant : require.constants )
{
if ( !listedConstants.contains( constant ) )
{
auto constIt = m_constants.find( constant );
if ( constIt == m_constants.end() )
{
auto aliasIt = m_constantAliases.find( constant );
assert( aliasIt != m_constantAliases.end() );
constIt = m_constants.find( aliasIt->second.name );
assert( constIt != m_constants.end() );
}
std::string tag = findTag( constant );
constants += replaceWithMap( constexprUsingTemplate, { { "constName", stripPrefix( toCamelCase( stripPostfix( constant, tag ) ), "Vk" ) + tag } } );
listedConstants.insert( constant );
}
}
for ( auto const & [key, _] : require.enumConstants )
{
// keys are the constants themselves. Values are their definitions, and don't need them...
// Again, recall these constants are all in the form VK_<vendor>_<name>_EXTENSION_NAME and VK_<vendor>_<name>_SPEC_VERSION
// strip the Vk, get the vendor, and PascalCase the rest
constants += replaceWithMap( constexprUsingTemplate, { { "constName", VENDORCasePrefixStrip( key ) } } );
listedConstants.insert( key );
}
}
return addTitleAndProtection( title, constants );
};
std::set<std::string> listedConstants;
for ( auto const & feature : m_features )
{
constexprUsings += generateConstantsAndProtection( feature.requireData, feature.name, listedConstants );
}
for ( auto const & extension : m_extensions )
{
constexprUsings += generateConstantsAndProtection( extension.requireData, extension.name, listedConstants );
}
}
// values
constexprUsings += R"(
//========================
//=== CONSTEXPR VALUEs ===
//========================
)";
for ( auto const & macro : m_definesPartition.values )
{
// make `macro` PascalCase and strip the `Vk` prefix
auto const constName = pascalCasePrefixStrip( macro.first );
constexprUsings += replaceWithMap( constexprUsingTemplate, { { "constName", constName } } );
}
// callees
constexprUsings += R"(
//=========================
//=== CONSTEXPR CALLEEs ===
//=========================
)";
for ( auto const & macro : m_definesPartition.callees )
{
// make `macro` camelCase and strip the `Vk` prefix
auto const constName = camelCasePrefixStrip( macro.first );
constexprUsings += replaceWithMap( constexprUsingTemplate, { { "constName", constName } } );
}
// callers
constexprUsings += R"(
//==========================
//=== CONSTEXPR CALLERs ===
//==========================
)";
for ( auto const & macro : m_definesPartition.callers )
{
// make `macro` PascalCase and strip the `Vk` prefix
auto const constName = pascalCasePrefixStrip( macro.first );
constexprUsings += replaceWithMap( constexprUsingTemplate, { { "constName", constName } } );
}
return constexprUsings;
}
std::string VulkanHppGenerator::generateCppModuleHandleUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${className};
)" };
auto handleUsings = std::string{ R"(
//===============
//=== HANDLEs ===
//===============
using VULKAN_HPP_NAMESPACE::isVulkanHandleType;
)" };
auto const generateUsingsAndProtection = [&usingTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title )
{
auto usings = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
if ( auto const & handleIt = m_handles.find( type ); handleIt != m_handles.end() )
{
usings += replaceWithMap( usingTemplate, { { "className", stripPrefix( handleIt->first, "Vk" ) } } );
}
}
}
return addTitleAndProtection( title, usings );
};
for ( auto const & feature : m_features )
{
handleUsings += generateUsingsAndProtection( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
handleUsings += generateUsingsAndProtection( extension.requireData, extension.name );
}
return handleUsings;
}
std::string VulkanHppGenerator::generateCppModuleStructUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${structName};
)" };
auto structUsings = std::string{ R"(
//===============
//=== STRUCTs ===
//===============
)" };
auto listedStructs = std::set<std::string>{};
auto const generateUsingsAndProtection = [&listedStructs, &usingTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title )
{
auto localUsings = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
if ( auto const & structIt = m_structs.find( type ); structIt != m_structs.end() && listedStructs.insert( type ).second )
{
auto const structureType = stripPrefix( structIt->first, "Vk" );
localUsings += replaceWithMap( usingTemplate, { { "structName", structureType } } );
// replace the findAlias call with the contents, because it includes an assert that breaks in Debug mode, which shouldn't break. There are multiple
// aliases for a given struct, and that's ok. Maybe we should refactor
for ( auto const & [alias, aliasData] : m_structAliases )
{
if ( aliasData.name == structIt->first )
{
auto const aliasName = stripPrefix( alias, "Vk" );
localUsings += replaceWithMap( usingTemplate, { { "structName", aliasName } } );
}
}
}
}
}
return addTitleAndProtection( title, localUsings );
};
for ( auto const & feature : m_features )
{
structUsings += generateUsingsAndProtection( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
structUsings += generateUsingsAndProtection( extension.requireData, extension.name );
}
return structUsings;
}
std::string VulkanHppGenerator::generateCppModuleSharedHandleUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::Shared${handleName};
)" };
auto sharedHandleUsings = std::string{ R"(
//======================
//=== SHARED HANDLEs ===
//======================
)" };
auto const [smartHandleEnter, smartHandleLeave] = generateProtection( "VULKAN_HPP_NO_SMART_HANDLE", false );
sharedHandleUsings += "\n" + smartHandleEnter;
auto const generateUsingsAndProtection = [&usingTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title )
{
auto usings = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
if ( auto const & handleIt = m_handles.find( type ); handleIt != m_handles.end() )
{
usings += replaceWithMap( usingTemplate, { { "handleName", stripPrefix( handleIt->first, "Vk" ) } } );
}
}
}
return addTitleAndProtection( title, usings );
};
for ( auto const & feature : m_features )
{
sharedHandleUsings += generateUsingsAndProtection( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
sharedHandleUsings += generateUsingsAndProtection( extension.requireData, extension.name );
}
sharedHandleUsings += R"( using VULKAN_HPP_NAMESPACE::SharedHandleTraits;
)";
sharedHandleUsings += smartHandleLeave + "\n";
return sharedHandleUsings;
}
std::string VulkanHppGenerator::generateCppModuleUniqueHandleUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::Unique${handleName};
)" };
auto uniqueHandleUsings = std::string{ R"(
//======================
//=== UNIQUE HANDLEs ===
//======================
)" };
auto const [smartHandleEnter, smartHandleLeave] = generateProtection( "VULKAN_HPP_NO_SMART_HANDLE", false );
uniqueHandleUsings += "\n" + smartHandleEnter;
auto const generateUsingsAndProtection = [&usingTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title )
{
auto usings = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
if ( auto const & handleIt = m_handles.find( type ); handleIt != m_handles.end() && !handleIt->second.deleteCommand.empty() )
{
usings += replaceWithMap( usingTemplate, { { "handleName", stripPrefix( handleIt->first, "Vk" ) } } );
}
}
}
return addTitleAndProtection( title, usings );
};
for ( auto const & feature : m_features )
{
uniqueHandleUsings += generateUsingsAndProtection( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
uniqueHandleUsings += generateUsingsAndProtection( extension.requireData, extension.name );
}
uniqueHandleUsings += R"( using VULKAN_HPP_NAMESPACE::UniqueHandleTraits;
)";
uniqueHandleUsings += smartHandleLeave + "\n";
return uniqueHandleUsings;
}
std::string VulkanHppGenerator::generateCppModuleFuncsUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${funcName};
)" };
auto funcUsings = std::string{ R"(
//===========================
//=== COMMAND Definitions ===
//===========================
)" };
for ( auto const & func : m_handles.at( "" ).commands )
{
funcUsings += replaceWithMap( usingTemplate, { { "funcName", startLowerCase( stripPrefix( func, "vk" ) ) } } );
}
auto const [enter, leave] = generateProtection( "VULKAN_HPP_NO_SMART_HANDLE", false );
funcUsings += "\n" + enter + replaceWithMap( usingTemplate, { { "funcName", "createInstanceUnique" } } ) + leave + "\n";
return funcUsings;
}
std::string VulkanHppGenerator::generateCppModuleEnumUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${enumName};
)" };
auto enumUsings = std::string{ R"(
//=============
//=== ENUMs ===
//=============
)" };
auto listedEnums = std::set<std::string>{};
// insert CppType first
enumUsings += replaceWithMap( usingTemplate, { { "enumName", "CppType" } } );
auto const generateUsingsAndProtection = [&listedEnums, &usingTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title )
{
auto localUsings = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
if ( auto const & enumIt = m_enums.find( type ); enumIt != m_enums.end() && listedEnums.insert( type ).second )
{
auto const enumName = stripPrefix( enumIt->first, "Vk" );
localUsings += replaceWithMap( usingTemplate, { { "enumName", enumName } } );
if ( auto const aliasIt = findAlias( enumIt->first, m_enumAliases ); aliasIt != m_enumAliases.end() )
{
localUsings += replaceWithMap( usingTemplate, { { "enumName", stripPrefix( aliasIt->first, "Vk" ) } } );
}
if ( auto const bitmaskIt =
std::find_if( m_bitmasks.begin(),
m_bitmasks.end(),
[&enumIt]( std::pair<std::string, BitmaskData> const & bitmask ) { return bitmask.second.require == enumIt->first; } );
bitmaskIt != m_bitmasks.end() )
{
localUsings += replaceWithMap( usingTemplate, { { "enumName", stripPrefix( bitmaskIt->first, "Vk" ) } } );
}
}
}
}
return addTitleAndProtection( title, localUsings );
};
for ( auto const & feature : m_features )
{
enumUsings += generateUsingsAndProtection( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
enumUsings += generateUsingsAndProtection( extension.requireData, extension.name );
}
// finally insert IndexTypeValue
auto const indexTypeComment = R"(
//=========================
//=== Index Type Traits ===
//=========================
)";
enumUsings += indexTypeComment + replaceWithMap( usingTemplate, { { "enumName", "IndexTypeValue" } } );
return enumUsings;
}
std::string VulkanHppGenerator::generateCppModuleFormatTraitsUsings() const
{
// everything is hardcoded, so things are very easy...
auto formatTraitsUsings = std::string{ R"(
//=====================
//=== Format Traits ===
//=====================
)" };
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${function};
)" };
auto const formatTraitFunctions = std::array{ "blockExtent",
"blockSize",
"compatibilityClass",
"componentBits",
"componentCount",
"componentName",
"componentNumericFormat",
"componentPlaneIndex",
"componentsAreCompressed",
"compressionScheme",
"isCompressed",
"packed",
"planeCompatibleFormat",
"planeCount",
"planeHeightDivisor",
"planeWidthDivisor",
"texelsPerBlock" };
for ( auto const & func : formatTraitFunctions )
{
formatTraitsUsings += replaceWithMap( usingTemplate, { { "function", func } } );
}
return formatTraitsUsings;
}
std::string VulkanHppGenerator::generateCppModuleExtensionInspectionUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${function};
)" };
auto extensionInspectionsUsings = std::string{ R"(
//======================================
//=== Extension inspection functions ===
//======================================
)" };
auto const extensionInspectionFunctions =
std::array{ "getDeviceExtensions", "getInstanceExtensions", "getDeprecatedExtensions", "getExtensionDepends", "getExtensionDepends",
"getObsoletedExtensions", "getPromotedExtensions", "getExtensionDeprecatedBy", "getExtensionObsoletedBy", "getExtensionPromotedTo",
"isDeprecatedExtension", "isDeviceExtension", "isInstanceExtension", "isObsoletedExtension", "isPromotedExtension" };
for ( auto const & func : extensionInspectionFunctions )
{
extensionInspectionsUsings += replaceWithMap( usingTemplate, { { "function", func } } );
}
return extensionInspectionsUsings;
}
std::string VulkanHppGenerator::generateCppModuleUsings() const
{
auto const usingTemplate = std::string{ R"( using VULKAN_HPP_NAMESPACE::${className};
)" };
auto const hardCodedTypes = std::array{ "ArrayWrapper1D", "ArrayWrapper2D", "FlagTraits", "Flags", "DispatchLoaderBase", "DispatchLoaderDynamic" };
auto const hardCodedEnhancedModeTypes = std::array{ "ArrayProxy", "ArrayProxyNoTemporaries", "StridedArrayProxy", "Optional", "StructureChain" };
auto const hardCodedSmartHandleTypes = std::array{ "ObjectDestroy", "ObjectFree", "ObjectRelease", "PoolFree", "ObjectDestroyShared",
"ObjectFreeShared", "ObjectReleaseShared", "PoolFreeShared", "SharedHandle", "UniqueHandle" };
auto usings = std::string{ R"( //=====================================
//=== HARDCODED TYPEs AND FUNCTIONs ===
//=====================================
)" };
for ( auto const & className : hardCodedTypes )
{
usings += replaceWithMap( usingTemplate, { { "className", className } } );
}
auto const & [noPrototypesEnter, noPrototypesLeave] = generateProtection( "VK_NO_PROTOTYPES", false );
usings += "\n" + noPrototypesEnter + replaceWithMap( usingTemplate, { { "className", "DispatchLoaderStatic" } } ) + noPrototypesLeave + "\n";
// insert the Flags bitwise operators
auto const flagsBitWiseOperatorsUsings = std::array{ "operator&", "operator|", "operator^", "operator~" };
for ( auto const & operatorName : flagsBitWiseOperatorsUsings )
{
usings += replaceWithMap( usingTemplate, { { "className", operatorName } } );
}
// delete the namespace declaration for the default dispatcher macro using statement
usings += R"(using VULKAN_HPP_DEFAULT_DISPATCHER_TYPE;
)";
auto enhancedModeUsings = std::string{};
for ( auto const & className : hardCodedEnhancedModeTypes )
{
enhancedModeUsings += replaceWithMap( usingTemplate, { { "className", std::string{ className } } } );
}
// protect the enhanced-mode usings with a macro
auto [enterEnhancedMode, leaveEnhancedMode] = generateProtection( "VULKAN_HPP_DISABLE_ENHANCED_MODE", false );
usings += "\n" + enterEnhancedMode + enhancedModeUsings + leaveEnhancedMode + "\n";
auto noSmartHandleUsings = std::string{};
for ( auto const & className : hardCodedSmartHandleTypes )
{
noSmartHandleUsings += replaceWithMap( usingTemplate, { { "className", std::string{ className } } } );
}
// likewise for the smart-handle usings
auto [enterNoSmartHandle, leaveNoSmartHandle] = generateProtection( "VULKAN_HPP_NO_SMART_HANDLE", false );
usings += "\n" + enterNoSmartHandle + noSmartHandleUsings + leaveNoSmartHandle + "\n";
// now generate baseTypes
auto baseTypes = std::string{ R"(
//==================
//=== BASE TYPEs ===
//==================
)" };
for ( auto const & baseType : m_baseTypes )
{
if ( baseType.first != "VkFlags" && baseType.first != "VkFlags64" && !baseType.second.typeInfo.type.empty() )
{
baseTypes += replaceWithMap( usingTemplate, { { "className", stripPrefix( baseType.first, "Vk" ) } } );
}
}
usings += baseTypes;
// generate Enums
usings += generateCppModuleEnumUsings();
// to_string, toHexString
auto const toString = std::array{ "to_string", "toHexString" };
auto const [toStringEnter, toStringLeave] = generateProtection( "VULKAN_HPP_NO_TO_STRING", false );
usings += R"(
//======================
//=== ENUM to_string ===
//======================
)" + toStringEnter;
for ( auto const & name : toString )
{
usings += replaceWithMap( usingTemplate, { { "className", name } } );
}
usings += toStringLeave + "\n";
// hardcoded exceptions and functions
auto const hardCodedExceptionTypesAndFunctions =
std::array{ "ErrorCategoryImpl", "Error", "LogicError", "SystemError", "errorCategory", "make_error_code", "make_error_condition" };
auto [exceptionsEnter, exceptionsLeave] = generateProtection( "VULKAN_HPP_NO_EXCEPTIONS", false );
auto exceptionsUsings = std::string{ R"(
//=============================
//=== EXCEPTIONs AND ERRORs ===
//=============================
)" } + exceptionsEnter;
for ( auto const & name : hardCodedExceptionTypesAndFunctions )
{
exceptionsUsings += replaceWithMap( usingTemplate, { { "className", name } } );
}
usings += exceptionsUsings;
// result Exceptions
auto resultExceptionsUsings = std::string{};
auto const & [name, data] = *m_enums.find( "VkResult" );
for ( auto const & [alias, bitpos, enumName, protect, value, xmlLine] : data.values )
{
if ( alias.empty() && enumName.starts_with( "VK_ERROR" ) )
{
auto [enter, leave] = generateProtection( protect );
enter = enter.empty() ? enter : "\n" + enter;
leave = leave.empty() ? leave : leave + "\n";
auto const valueName = generateEnumValueName( name, enumName, false );
auto const className = stripPrefix( valueName, "eError" ) + "Error";
resultExceptionsUsings += enter + replaceWithMap( usingTemplate, { { "className", className } } ) + leave;
}
}
usings += resultExceptionsUsings;
usings += exceptionsLeave + "\n";
// ResultValue
auto const hardCodedResultValueTypes = std::array{ "ignore", "ResultValue", "ResultValueType", "createResultValueType" };
for ( auto const & className : hardCodedResultValueTypes )
{
usings += replaceWithMap( usingTemplate, { { "className", className } } );
}
// resultCheck
usings += replaceWithMap( usingTemplate, { { "className", "resultCheck" } } ) + "\n";
usings += generateConstexprUsings() + "\n";
// structs, handles, UniqueHandles, etc
usings += generateCppModuleStructUsings();
usings += generateCppModuleHandleUsings();
usings += generateCppModuleUniqueHandleUsings();
usings += generateCppModuleSharedHandleUsings();
usings += generateCppModuleFuncsUsings();
auto const [enterDisableEnhanced, leaveDisableEnhanced] = generateProtection( "VULKAN_HPP_DISABLE_ENHANCED_MODE", false );
usings += "\n" + enterDisableEnhanced + replaceWithMap( usingTemplate, { { "className", "StructExtends" } } ) + leaveDisableEnhanced + "\n";
auto const [enterDynamicLoader, leaveDynamicLoader] = generateProtection( "VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL" );
usings += "\n" + enterDynamicLoader + replaceWithMap( usingTemplate, { { "className", "DynamicLoader" } } ) + leaveDynamicLoader + "\n";
usings += generateCppModuleFormatTraitsUsings();
usings += generateCppModuleExtensionInspectionUsings();
return usings;
}
std::string VulkanHppGenerator::generateCppModuleRaiiUsings() const
{
auto const raiiUsingTemplate = std::string{ R"( using VULKAN_HPP_RAII_NAMESPACE::${className};
)" };
auto usings = std::string{ R"( //======================
//=== RAII HARDCODED ===
//======================
using VULKAN_HPP_RAII_NAMESPACE::exchange;
using VULKAN_HPP_RAII_NAMESPACE::Context;
using VULKAN_HPP_RAII_NAMESPACE::ContextDispatcher;
using VULKAN_HPP_RAII_NAMESPACE::InstanceDispatcher;
using VULKAN_HPP_RAII_NAMESPACE::DeviceDispatcher;
//====================
//=== RAII HANDLEs ===
//====================
)" };
auto const generateUsingsAndProtection = [&raiiUsingTemplate, this]( std::vector<RequireData> const & requireData, std::string const & title )
{
auto usings = std::string{};
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
if ( auto const & handleIt = m_handles.find( type ); handleIt != m_handles.end() )
{
usings += replaceWithMap( raiiUsingTemplate, { { "className", stripPrefix( handleIt->first, "Vk" ) } } );
// if there is an array constructor, generate the plural type also
if ( !generateRAIIHandleConstructors( *handleIt ).second.empty() )
{
usings += replaceWithMap( raiiUsingTemplate, { { "className", stripPrefix( type, "Vk" ) + "s" } } );
}
}
}
}
return addTitleAndProtection( title, usings );
};
// now, insert features and extensions with protection, and strip Vk prefix
for ( auto const & feature : m_features )
{
usings += generateUsingsAndProtection( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
usings += generateUsingsAndProtection( extension.requireData, extension.name );
}
return usings;
}
std::string VulkanHppGenerator::generateDataDeclarations( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
std::set<size_t> const & templatedParams,
CommandFlavourFlags flavourFlags,
bool raii,
std::vector<std::string> const & dataTypes,
std::string const & dataType,
std::string const & returnType,
std::string const & returnVariable ) const
{
assert( dataTypes.size() == returnParams.size() );
switch ( returnParams.size() )
{
case 0: return ""; // no returnParams -> no data declarations
case 1:
return generateDataDeclarations1Return(
commandData, returnParams, vectorParams, templatedParams, flavourFlags, dataTypes, dataType, returnType, returnVariable );
case 2:
assert( !( flavourFlags & CommandFlavourFlagBits::unique ) );
return generateDataDeclarations2Returns( commandData, returnParams, vectorParams, flavourFlags, raii, dataTypes, dataType, returnVariable );
case 3:
assert( !( flavourFlags & ( CommandFlavourFlagBits::singular | CommandFlavourFlagBits::unique ) ) );
return generateDataDeclarations3Returns( commandData, returnParams, vectorParams, flavourFlags, raii, dataTypes );
default: assert( false ); return "";
}
}
std::string VulkanHppGenerator::generateDataDeclarations1Return( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
std::set<size_t> const & templatedParams,
CommandFlavourFlags flavourFlags,
std::vector<std::string> const & dataTypes,
std::string const & dataType,
std::string const & returnType,
std::string const & returnVariable ) const
{
auto vectorParamIt = vectorParams.find( returnParams[0] );
if ( !( flavourFlags & CommandFlavourFlagBits::chained ) )
{
if ( ( vectorParamIt == vectorParams.end() ) || ( flavourFlags & CommandFlavourFlagBits::singular ) )
{
std::string const dataDeclarationsTemplate = R"(${returnType} ${returnVariable};)";
if ( dataType.starts_with( "VULKAN_HPP_NAMESPACE" ) )
{
return replaceWithMap( dataDeclarationsTemplate, { { "returnType", dataType }, { "returnVariable", returnVariable } } );
}
else
{
return replaceWithMap( dataDeclarationsTemplate, { { "returnType", returnType }, { "returnVariable", returnVariable } } );
}
}
else
{
std::string allocator = stripPrefix( dataTypes[0], "VULKAN_HPP_NAMESPACE::" ) + "Allocator";
std::string vectorAllocator = ( ( flavourFlags & CommandFlavourFlagBits::withAllocator ) && !( flavourFlags & CommandFlavourFlagBits::unique ) )
? ( ", " + startLowerCase( allocator ) )
: "";
std::string vectorSize = getVectorSize( commandData.params, vectorParams, returnParams[0], dataTypes[0], templatedParams );
std::string const dataDeclarationsTemplate = R"(${dataType} ${returnVariable}( ${vectorSize}${vectorAllocator} );)";
return replaceWithMap(
dataDeclarationsTemplate,
{ { "dataType", dataType }, { "returnVariable", returnVariable }, { "vectorAllocator", vectorAllocator }, { "vectorSize", vectorSize } } );
}
}
else
{
assert( ( vectorParamIt == vectorParams.end() ) || ( flavourFlags & CommandFlavourFlagBits::singular ) );
std::string dataVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
std::string const dataDeclarationsTemplate = R"(${returnType} ${returnVariable};
${dataType} & ${dataVariable} = ${returnVariable}.template get<${dataType}>();)";
return replaceWithMap( dataDeclarationsTemplate,
{ { "dataType", dataTypes[0] },
{ "dataVariable", dataVariable },
{ "returnType", ( commandData.returnType == "void" ) ? returnType : "StructureChain<X, Y, Z...>" },
{ "returnVariable", returnVariable } } );
}
}
std::string VulkanHppGenerator::generateDataDeclarations2Returns( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
CommandFlavourFlags flavourFlags,
bool raii,
std::vector<std::string> const & dataTypes,
std::string const & returnType,
std::string const & returnVariable ) const
{
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
bool withAllocator = flavourFlags & CommandFlavourFlagBits::withAllocator;
switch ( vectorParams.size() )
{
case 0:
assert( !singular && !chained );
{
std::string firstDataVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
std::string secondDataVariable = startLowerCase( stripPrefix( commandData.params[returnParams[1]].name, "p" ) );
std::string const dataDeclarationTemplate = R"(std::pair<${firstDataType},${secondDataType}> data_;
${firstDataType} & ${firstDataVariable} = data_.first;
${secondDataType} & ${secondDataVariable} = data_.second;)";
return replaceWithMap( dataDeclarationTemplate,
{ { "firstDataType", dataTypes[0] },
{ "firstDataVariable", firstDataVariable },
{ "secondDataType", dataTypes[1] },
{ "secondDataVariable", secondDataVariable } } );
}
case 1:
assert( ( returnParams[0] == vectorParams.begin()->second.lenParam ) && ( returnParams[1] == vectorParams.begin()->first ) && !singular );
{
std::string counterVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
if ( !chained )
{
std::string vectorAllocator = withAllocator ? ( "( " + startLowerCase( stripPrefix( dataTypes[1], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator )" ) : "";
std::string const dataDeclarationTemplate = R"(${returnType} ${returnVariable}${vectorAllocator};
${counterType} ${counterVariable};)";
return replaceWithMap( dataDeclarationTemplate,
{ { "counterType", dataTypes[0] },
{ "counterVariable", counterVariable },
{ "returnType", returnType },
{ "returnVariable", returnVariable },
{ "vectorAllocator", vectorAllocator } } );
}
else
{
std::string structureChainAllocator = raii ? "" : ", StructureChainAllocator";
std::string structureChainInitializer = withAllocator ? ( "( structureChainAllocator )" ) : "";
std::string vectorVariable = startLowerCase( stripPrefix( commandData.params[returnParams[1]].name, "p" ) );
std::string const dataDeclarationTemplate =
R"(std::vector<StructureChain${structureChainAllocator}> structureChains${structureChainInitializer};
std::vector<${vectorElementType}> ${vectorVariable};
${counterType} ${counterVariable};)";
return replaceWithMap( dataDeclarationTemplate,
{
{ "counterType", dataTypes[0] },
{ "counterVariable", counterVariable },
{ "structureChainAllocator", structureChainAllocator },
{ "structureChainInitializer", structureChainInitializer },
{ "vectorElementType", dataTypes[1] },
{ "vectorVariable", vectorVariable },
} );
}
}
break;
case 2:
assert( ( returnParams[0] == std::next( vectorParams.begin() )->first ) && !vectorParams.contains( returnParams[1] ) && !chained );
{
std::string firstDataVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
std::string secondDataVariable = startLowerCase( stripPrefix( commandData.params[returnParams[1]].name, "p" ) );
if ( singular )
{
firstDataVariable = stripPluralS( firstDataVariable );
std::string const dataDeclarationTemplate = R"(std::pair<${firstDataType},${secondDataType}> data_;
${firstDataType} & ${firstDataVariable} = data_.first;
${secondDataType} & ${secondDataVariable} = data_.second;)";
return replaceWithMap( dataDeclarationTemplate,
{ { "firstDataType", dataTypes[0] },
{ "firstDataVariable", firstDataVariable },
{ "secondDataType", dataTypes[1] },
{ "secondDataVariable", secondDataVariable } } );
}
else
{
std::string allocatorType = raii ? "" : ( startUpperCase( stripPrefix( dataTypes[0], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator" );
std::string allocateInitializer = withAllocator ? ( ", " + startLowerCase( allocatorType ) ) : "";
if ( !raii )
{
allocatorType = ", " + allocatorType;
}
std::string vectorSize = startLowerCase( stripPrefix( commandData.params[vectorParams.begin()->first].name, "p" ) ) + ".size()";
std::string const dataDeclarationTemplate =
R"(std::pair<std::vector<${firstDataType}${allocatorType}>,${secondDataType}> data_( std::piecewise_construct, std::forward_as_tuple( ${vectorSize}${allocateInitializer} ), std::forward_as_tuple( 0 ) );
std::vector<${firstDataType}${allocatorType}> & ${firstDataVariable} = data_.first;
${secondDataType} & ${secondDataVariable} = data_.second;)";
return replaceWithMap( dataDeclarationTemplate,
{ { "allocateInitializer", allocateInitializer },
{ "allocatorType", allocatorType },
{ "firstDataType", dataTypes[0] },
{ "firstDataVariable", firstDataVariable },
{ "secondDataType", dataTypes[1] },
{ "secondDataVariable", secondDataVariable },
{ "vectorSize", vectorSize } } );
}
}
break;
default: assert( false ); return "";
}
}
std::string VulkanHppGenerator::generateDataDeclarations3Returns( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
CommandFlavourFlags flavourFlags,
bool raii,
std::vector<std::string> const & dataTypes ) const
{
switch ( vectorParams.size() )
{
case 1:
{
assert( ( returnParams[1] == vectorParams.begin()->second.lenParam ) && ( returnParams[2] == vectorParams.begin()->first ) );
std::string valueVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
std::string counterVariable = startLowerCase( stripPrefix( commandData.params[returnParams[1]].name, "p" ) );
std::string vectorVariable = startLowerCase( stripPrefix( commandData.params[returnParams[2]].name, "p" ) );
std::string vectorAllocatorType, pairConstructor;
if ( !raii )
{
vectorAllocatorType = startUpperCase( stripPrefix( dataTypes[2], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator";
pairConstructor =
( flavourFlags & CommandFlavourFlagBits::withAllocator )
? ( "( std::piecewise_construct, std::forward_as_tuple(), std::forward_as_tuple( " + startLowerCase( vectorAllocatorType ) + " ) )" )
: "";
vectorAllocatorType = ", " + vectorAllocatorType;
}
std::string const chainedDataDeclarationsTemplate =
R"(std::pair<VULKAN_HPP_NAMESPACE::StructureChain<X,Y,Z...>,std::vector<${vectorElementType}${vectorAllocatorType}>> data_${pairConstructor};
${valueType} & ${valueVariable} = data_.first.template get<${valueType}>();
std::vector<${vectorElementType}${vectorAllocatorType}> & ${vectorVariable} = data_.second;
${counterType} ${counterVariable};)";
std::string const dataDeclarationsTemplate =
R"(std::pair<${valueType},std::vector<${vectorElementType}${vectorAllocatorType}>> data_${pairConstructor};
${valueType} & ${valueVariable} = data_.first;
std::vector<${vectorElementType}${vectorAllocatorType}> & ${vectorVariable} = data_.second;
${counterType} ${counterVariable};)";
return replaceWithMap( ( flavourFlags & CommandFlavourFlagBits::chained ) ? chainedDataDeclarationsTemplate : dataDeclarationsTemplate,
{ { "counterType", dataTypes[1] },
{ "counterVariable", counterVariable },
{ "vectorAllocatorType", vectorAllocatorType },
{ "vectorElementType", dataTypes[2] },
{ "vectorVariable", vectorVariable },
{ "pairConstructor", pairConstructor },
{ "valueType", dataTypes[0] },
{ "valueVariable", valueVariable } } );
}
break;
case 2:
{
assert( !( flavourFlags & CommandFlavourFlagBits::chained ) );
assert( ( returnParams[0] == vectorParams.begin()->second.lenParam ) && ( returnParams[1] == vectorParams.begin()->first ) &&
( returnParams[2] == std::next( vectorParams.begin() )->first ) && ( returnParams[0] == std::next( vectorParams.begin() )->second.lenParam ) );
std::string counterVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
std::string firstVectorVariable = startLowerCase( stripPrefix( commandData.params[returnParams[1]].name, "p" ) );
std::string secondVectorVariable = startLowerCase( stripPrefix( commandData.params[returnParams[2]].name, "p" ) );
std::string firstVectorAllocatorType, secondVectorAllocatorType, pairConstructor;
if ( !raii )
{
firstVectorAllocatorType = startUpperCase( stripPrefix( dataTypes[1], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator";
secondVectorAllocatorType = startUpperCase( stripPrefix( dataTypes[2], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator";
pairConstructor = ( flavourFlags & CommandFlavourFlagBits::withAllocator )
? ( "( std::piecewise_construct, std::forward_as_tuple( " + startLowerCase( firstVectorAllocatorType ) +
" ), std::forward_as_tuple( " + startLowerCase( secondVectorAllocatorType ) + " ) )" )
: "";
firstVectorAllocatorType = ", " + firstVectorAllocatorType;
secondVectorAllocatorType = ", " + secondVectorAllocatorType;
}
std::string const dataDeclarationsTemplate =
R"(std::pair<std::vector<${firstVectorElementType}${firstVectorAllocatorType}>, std::vector<${secondVectorElementType}${secondVectorAllocatorType}>> data_${pairConstructor};
std::vector<${firstVectorElementType}${firstVectorAllocatorType}> & ${firstVectorVariable} = data_.first;
std::vector<${secondVectorElementType}${secondVectorAllocatorType}> & ${secondVectorVariable} = data_.second;
${counterType} ${counterVariable};)";
return replaceWithMap( dataDeclarationsTemplate,
{ { "counterType", dataTypes[0] },
{ "counterVariable", counterVariable },
{ "firstVectorAllocatorType", firstVectorAllocatorType },
{ "firstVectorElementType", dataTypes[1] },
{ "firstVectorVariable", firstVectorVariable },
{ "pairConstructor", pairConstructor },
{ "secondVectorAllocatorType", secondVectorAllocatorType },
{ "secondVectorElementType", dataTypes[2] },
{ "secondVectorVariable", secondVectorVariable } } );
}
default: assert( false ); return "";
}
}
std::string VulkanHppGenerator::generateDataPreparation( CommandData const & commandData,
size_t initialSkipCount,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
std::set<size_t> const & templatedParams,
CommandFlavourFlags flavourFlags,
bool enumerating ) const
{
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
bool unique = flavourFlags & CommandFlavourFlagBits::unique;
auto vectorParamIt = ( 1 < returnParams.size() ) ? vectorParams.find( returnParams[1] ) : vectorParams.end();
if ( vectorParamIt != vectorParams.end() )
{
assert( !unique );
std::string vectorName = startLowerCase( stripPrefix( commandData.params[vectorParamIt->first].name, "p" ) );
if ( chained )
{
assert( !singular );
assert( templatedParams.empty() );
assert( returnParams.size() == 2 );
assert( !vectorParams.contains( returnParams[0] ) );
assert( ( vectorParamIt != vectorParams.end() ) && ( vectorParamIt->second.lenParam == returnParams[0] ) );
std::string vectorElementType = stripPostfix( commandData.params[vectorParamIt->first].type.compose( "VULKAN_HPP_NAMESPACE" ), " *" );
if ( enumerating )
{
std::string const dataPreparationTemplate =
R"(VULKAN_HPP_ASSERT( ${counterName} <= ${vectorName}.size() );
if ( ${counterName} < ${vectorName}.size() )
{
structureChains.resize( ${counterName} );
}
for ( ${counterType} i = 0; i < ${counterName}; i++ )
{
structureChains[i].template get<${vectorElementType}>() = ${vectorName}[i];
})";
return replaceWithMap( dataPreparationTemplate,
{ { "counterName", startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) ) },
{ "counterType", commandData.params[vectorParamIt->second.lenParam].type.type },
{ "vectorElementType", vectorElementType },
{ "vectorName", vectorName } } );
}
else
{
std::string const dataPreparationTemplate =
R"(for ( ${counterType} i = 0; i < ${counterName}; i++ )
{
structureChains[i].template get<${vectorElementType}>() = ${vectorName}[i];
})";
return replaceWithMap( dataPreparationTemplate,
{ { "counterName", startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) ) },
{ "counterType", commandData.params[vectorParamIt->second.lenParam].type.type },
{ "vectorElementType", vectorElementType },
{ "vectorName", vectorName } } );
}
}
else if ( enumerating )
{
assert( !singular );
assert( ( vectorParams.size() != 2 ) ||
( ( vectorParams.begin()->first == returnParams[1] ) && ( vectorParams.begin()->second.lenParam == returnParams[0] ) &&
( std::next( vectorParams.begin() )->first == returnParams[2] ) &&
( std::next( vectorParams.begin() )->second.lenParam == returnParams[0] ) ) );
std::string resizes;
for ( auto const & vp : vectorParams )
{
assert( std::any_of( returnParams.begin(), returnParams.end(), [&vp]( size_t rp ) { return rp == vp.first; } ) &&
std::any_of( returnParams.begin(), returnParams.end(), [&vp]( size_t rp ) { return rp == vp.second.lenParam; } ) );
resizes += startLowerCase( stripPrefix( commandData.params[vp.first].name, "p" ) ) + ".resize( " +
startLowerCase( stripPrefix( commandData.params[vp.second.lenParam].name, "p" ) ) + " );\n";
}
resizes.pop_back();
std::string const dataPreparationTemplate =
R"(VULKAN_HPP_ASSERT( ${counterName} <= ${vectorName}.size() );
if ( ${counterName} < ${vectorName}.size() )
{
${resizes}
})";
return replaceWithMap( dataPreparationTemplate,
{ { "counterName", startLowerCase( stripPrefix( commandData.params[vectorParamIt->second.lenParam].name, "p" ) ) },
{ "resizes", resizes },
{ "vectorName", vectorName } } );
}
}
else if ( unique && !singular && ( returnParams.size() == 1 ) && vectorParams.contains( returnParams[0] ) )
{
assert( !enumerating );
std::string className = initialSkipCount ? stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" ) : "";
std::string deleterDefinition;
std::vector<std::string> lenParts = tokenize( commandData.params[returnParams[0]].lenExpression, "->" );
switch ( lenParts.size() )
{
case 1: deleterDefinition = "ObjectDestroy<" + className + ", Dispatch> deleter( *this, allocator, d )"; break;
case 2:
{
auto vpiIt = vectorParams.find( returnParams[0] );
assert( vpiIt != vectorParams.end() );
std::string poolType, poolName;
std::tie( poolType, poolName ) = getPoolTypeAndName( commandData.params[vpiIt->second.lenParam].type.type );
assert( !poolType.empty() );
poolType = stripPrefix( poolType, "Vk" );
poolName = startLowerCase( stripPrefix( lenParts[0], "p" ) ) + "." + poolName;
deleterDefinition = "PoolFree<" + className + ", " + poolType + ", Dispatch> deleter( *this, " + poolName + ", d )";
}
break;
}
std::string handleType = stripPrefix( commandData.params[returnParams[0]].type.type, "Vk" );
std::string uniqueVectorName = "unique" + stripPrefix( commandData.params[returnParams[0]].name, "p" );
std::string vectorAllocator = ( flavourFlags & CommandFlavourFlagBits::withAllocator ) ? ( "( " + startLowerCase( handleType ) + "Allocator )" ) : "";
std::string vectorName = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
std::string elementName = stripPluralS( vectorName );
std::string vectorSize = getVectorSize( commandData.params, vectorParams, returnParams[0], commandData.params[returnParams[0]].type.type, templatedParams );
std::string const dataPreparationTemplate =
R"(std::vector<UniqueHandle<VULKAN_HPP_NAMESPACE::${handleType}, Dispatch>, ${handleType}Allocator> ${uniqueVectorName}${vectorAllocator};
${uniqueVectorName}.reserve( ${vectorSize} );
${deleterDefinition};
for ( auto const & ${elementName} : ${vectorName} )
{
${uniqueVectorName}.push_back( UniqueHandle<${handleType}, Dispatch>( ${elementName}, deleter ) );
})";
return replaceWithMap( dataPreparationTemplate,
{ { "elementName", elementName },
{ "deleterDefinition", deleterDefinition },
{ "handleType", handleType },
{ "uniqueVectorName", uniqueVectorName },
{ "vectorAllocator", vectorAllocator },
{ "vectorName", vectorName },
{ "vectorSize", vectorSize } } );
}
return "";
}
std::string VulkanHppGenerator::generateDataSizeChecks( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::vector<std::string> const & returnParamTypes,
std::map<size_t, VectorParamData> const & vectorParams,
std::set<size_t> const & templatedParams,
bool singular ) const
{
assert( returnParams.size() == returnParamTypes.size() );
std::string dataSizeChecks;
if ( !singular )
{
const std::string dataSizeCheckTemplate = R"( VULKAN_HPP_ASSERT( ${dataSize} % sizeof( ${dataType} ) == 0 );)";
for ( size_t i = 0; i < returnParams.size(); i++ )
{
auto vectorParamIt = vectorParams.find( returnParams[i] );
if ( ( vectorParamIt != vectorParams.end() ) && templatedParams.contains( returnParams[i] ) &&
std::none_of( returnParams.begin(), returnParams.end(), [&vectorParamIt]( size_t rp ) { return rp == vectorParamIt->second.lenParam; } ) )
{
dataSizeChecks += replaceWithMap( dataSizeCheckTemplate,
{ { "dataSize", commandData.params[vectorParamIt->second.lenParam].name }, { "dataType", returnParamTypes[i] } } );
}
}
}
return dataSizeChecks;
}
std::string VulkanHppGenerator::generateDebugReportObjectType( std::string const & objectType ) const
{
std::string debugReportObjectType = objectType;
debugReportObjectType = debugReportObjectType.replace( 3, 0, "DEBUG_REPORT_" ) + "_EXT";
auto enumIt = m_enums.find( "VkDebugReportObjectTypeEXT" );
assert( enumIt != m_enums.end() );
auto valueIt = std::find_if( enumIt->second.values.begin(),
enumIt->second.values.end(),
[&debugReportObjectType]( EnumValueData const & evd ) { return debugReportObjectType == evd.name; } );
return ( valueIt == enumIt->second.values.end() ) ? "eUnknown" : generateEnumValueName( enumIt->first, valueIt->name, false );
}
std::string VulkanHppGenerator::generateDecoratedReturnType( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
CommandFlavourFlags flavourFlags,
bool raii,
std::string const & returnType ) const
{
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
#if !defined( NDEBUG )
bool unique = flavourFlags & CommandFlavourFlagBits::unique;
#endif
assert( !( chained && unique ) );
std::string decoratedReturnType;
if ( ( 1 < commandData.successCodes.size() ) && returnParams.empty() && !chained )
{
assert( ( commandData.returnType == "VkResult" ) && !unique );
decoratedReturnType = "VULKAN_HPP_NAMESPACE::Result";
}
else if ( ( commandData.returnType != "VkResult" ) && ( commandData.returnType != "void" ) )
{
assert( returnParams.empty() && !chained && !unique );
if ( commandData.returnType.starts_with( "Vk" ) )
{
decoratedReturnType = generateNamespacedType( commandData.returnType );
}
else
{
decoratedReturnType = commandData.returnType;
}
}
else if ( ( commandData.returnType == "void" ) ||
( ( commandData.returnType == "VkResult" ) && ( commandData.successCodes.size() == 1 ) && ( commandData.errorCodes.empty() || raii ) ) )
{
assert( !unique );
assert( ( commandData.returnType != "void" ) || ( returnParams.size() <= 2 ) );
decoratedReturnType = returnType;
}
else
{
assert( commandData.returnType == "VkResult" );
assert( !commandData.successCodes.empty() && ( commandData.successCodes[0] == "VK_SUCCESS" ) );
if ( ( 1 < commandData.successCodes.size() ) && ( ( returnParams.size() == 1 ) || ( ( returnParams.size() == 2 ) && vectorParams.empty() ) ) )
{
assert( !commandData.errorCodes.empty() );
decoratedReturnType = ( raii ? "std::pair<VULKAN_HPP_NAMESPACE::Result, " : "ResultValue<" ) + returnType + ">";
}
else
{
assert(
( ( commandData.successCodes.size() == 1 ) || ( ( commandData.successCodes.size() == 2 ) && ( commandData.successCodes[1] == "VK_INCOMPLETE" ) ) ) &&
( returnParams.size() <= 3 ) );
decoratedReturnType = raii ? returnType : ( "typename ResultValueType<" + returnType + ">::type" );
}
}
return decoratedReturnType;
}
std::string VulkanHppGenerator::generateDispatchLoaderDynamic() const
{
const std::string dispatchLoaderDynamicTemplate = R"(
using PFN_dummy = void ( * )();
class DispatchLoaderDynamic : public DispatchLoaderBase
{
public:
${commandMembers}
public:
DispatchLoaderDynamic() VULKAN_HPP_NOEXCEPT = default;
DispatchLoaderDynamic( DispatchLoaderDynamic const & rhs ) VULKAN_HPP_NOEXCEPT = default;
DispatchLoaderDynamic(PFN_vkGetInstanceProcAddr getInstanceProcAddr) VULKAN_HPP_NOEXCEPT
{
init(getInstanceProcAddr);
}
// This interface does not require a linked vulkan library.
DispatchLoaderDynamic( VkInstance instance,
PFN_vkGetInstanceProcAddr getInstanceProcAddr,
VkDevice device = {},
PFN_vkGetDeviceProcAddr getDeviceProcAddr = nullptr ) VULKAN_HPP_NOEXCEPT
{
init( instance, getInstanceProcAddr, device, getDeviceProcAddr );
}
template <typename DynamicLoader
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
= VULKAN_HPP_NAMESPACE::DynamicLoader
#endif
>
void init()
{
static DynamicLoader dl;
init( dl );
}
template <typename DynamicLoader>
void init( DynamicLoader const & dl ) VULKAN_HPP_NOEXCEPT
{
PFN_vkGetInstanceProcAddr getInstanceProcAddr = dl.template getProcAddress<PFN_vkGetInstanceProcAddr>( "vkGetInstanceProcAddr" );
init( getInstanceProcAddr );
}
void init( PFN_vkGetInstanceProcAddr getInstanceProcAddr ) VULKAN_HPP_NOEXCEPT
{
VULKAN_HPP_ASSERT(getInstanceProcAddr);
vkGetInstanceProcAddr = getInstanceProcAddr;
${initialCommandAssignments}
}
// This interface does not require a linked vulkan library.
void init( VkInstance instance,
PFN_vkGetInstanceProcAddr getInstanceProcAddr,
VkDevice device = {},
PFN_vkGetDeviceProcAddr /*getDeviceProcAddr*/ = nullptr ) VULKAN_HPP_NOEXCEPT
{
VULKAN_HPP_ASSERT(instance && getInstanceProcAddr);
vkGetInstanceProcAddr = getInstanceProcAddr;
init( VULKAN_HPP_NAMESPACE::Instance(instance) );
if (device)
{
init( VULKAN_HPP_NAMESPACE::Device(device) );
}
}
void init( VULKAN_HPP_NAMESPACE::Instance instanceCpp ) VULKAN_HPP_NOEXCEPT
{
VkInstance instance = static_cast<VkInstance>(instanceCpp);
${instanceCommandAssignments}
}
void init( VULKAN_HPP_NAMESPACE::Device deviceCpp ) VULKAN_HPP_NOEXCEPT
{
VkDevice device = static_cast<VkDevice>(deviceCpp);
${deviceCommandAssignments}
}
template <typename DynamicLoader>
void init(VULKAN_HPP_NAMESPACE::Instance const & instance, VULKAN_HPP_NAMESPACE::Device const & device, DynamicLoader const & dl) VULKAN_HPP_NOEXCEPT
{
PFN_vkGetInstanceProcAddr getInstanceProcAddr = dl.template getProcAddress<PFN_vkGetInstanceProcAddr>("vkGetInstanceProcAddr");
PFN_vkGetDeviceProcAddr getDeviceProcAddr = dl.template getProcAddress<PFN_vkGetDeviceProcAddr>("vkGetDeviceProcAddr");
init(static_cast<VkInstance>(instance), getInstanceProcAddr, static_cast<VkDevice>(device), device ? getDeviceProcAddr : nullptr);
}
template <typename DynamicLoader
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
= VULKAN_HPP_NAMESPACE::DynamicLoader
#endif
>
void init(VULKAN_HPP_NAMESPACE::Instance const & instance, VULKAN_HPP_NAMESPACE::Device const & device) VULKAN_HPP_NOEXCEPT
{
static DynamicLoader dl;
init(instance, device, dl);
}
};)";
std::string commandMembers, deviceCommandAssignments, initialCommandAssignments, instanceCommandAssignments;
std::set<std::string> listedCommands; // some commands are listed with more than one extension!
for ( auto const & feature : m_features )
{
appendDispatchLoaderDynamicCommands(
feature.requireData, listedCommands, feature.name, commandMembers, initialCommandAssignments, instanceCommandAssignments, deviceCommandAssignments );
}
for ( auto const & extension : m_extensions )
{
appendDispatchLoaderDynamicCommands(
extension.requireData, listedCommands, extension.name, commandMembers, initialCommandAssignments, instanceCommandAssignments, deviceCommandAssignments );
}
return replaceWithMap( dispatchLoaderDynamicTemplate,
{ { "commandMembers", commandMembers },
{ "deviceCommandAssignments", deviceCommandAssignments },
{ "initialCommandAssignments", initialCommandAssignments },
{ "instanceCommandAssignments", instanceCommandAssignments } } );
}
std::string VulkanHppGenerator::generateDispatchLoaderStatic() const
{
const std::string dispatchLoaderStaticTemplate = R"(
#if !defined( VK_NO_PROTOTYPES )
class DispatchLoaderStatic : public DispatchLoaderBase
{
public:
${commands}
};
inline ::VULKAN_HPP_NAMESPACE::DispatchLoaderStatic & getDispatchLoaderStatic()
{
static ::VULKAN_HPP_NAMESPACE::DispatchLoaderStatic dls;
return dls;
}
#endif
)";
std::string commands;
std::set<std::string> listedCommands;
for ( auto const & feature : m_features )
{
commands += generateDispatchLoaderStaticCommands( feature.requireData, listedCommands, feature.name );
}
for ( auto const & extension : m_extensions )
{
commands += generateDispatchLoaderStaticCommands( extension.requireData, listedCommands, extension.name );
}
return replaceWithMap( dispatchLoaderStaticTemplate, { { "commands", commands } } );
}
std::string VulkanHppGenerator::generateDestroyCommand( std::string const & name, CommandData const & commandData ) const
{
// special handling for destroy functions, filter out alias functions
std::string commandName = generateCommandName( name, commandData.params, 1 );
if ( !m_commandAliases.contains( name ) && ( ( ( name.substr( 2, 7 ) == "Destroy" ) && ( commandName != "destroy" ) ) || ( name.substr( 2, 4 ) == "Free" ) ||
( name == "vkReleasePerformanceConfigurationINTEL" ) ) )
{
assert( 1 < commandData.params.size() );
// make sure, the object to destroy/free/release is not optional in the shortened version!
CommandData localCommandData = commandData;
localCommandData.params[1].optional = false;
std::string destroyCommandString = generateCommand( name, localCommandData, 1, false, false );
std::string shortenedName;
if ( name.substr( 2, 7 ) == "Destroy" )
{
shortenedName = "destroy";
}
else if ( name.substr( 2, 4 ) == "Free" )
{
// enclose "free" in parenthesis to prevent interference with MSVC debug free
shortenedName = "( free )";
}
else
{
assert( name == "vkReleasePerformanceConfigurationINTEL" );
shortenedName = "release";
}
size_t pos = destroyCommandString.find( commandName );
while ( pos != std::string::npos )
{
destroyCommandString.replace( pos, commandName.length(), shortenedName );
pos = destroyCommandString.find( commandName, pos );
}
// we need to remove the default argument for the first argument, to prevent ambiguities!
assert( 1 < localCommandData.params.size() );
pos = destroyCommandString.find( localCommandData.params[1].name ); // skip the standard version of the function
assert( pos != std::string::npos );
pos = destroyCommandString.find( localCommandData.params[1].name,
pos + 1 ); // get the argument to destroy in the advanced version
assert( pos != std::string::npos );
pos = destroyCommandString.find( " VULKAN_HPP_DEFAULT_ARGUMENT_ASSIGNMENT", pos );
if ( pos != std::string::npos )
{
destroyCommandString.erase( pos, strlen( " VULKAN_HPP_DEFAULT_ARGUMENT_ASSIGNMENT" ) );
}
return "\n" + destroyCommandString;
}
return "";
}
std::string VulkanHppGenerator::generateDispatchLoaderDynamicCommandAssignment( std::string const & commandName, std::string const & firstArg ) const
{
if ( commandName == "vkGetInstanceProcAddr" )
{
// Don't overwite vkGetInstanceProcAddr with NULL.
return "";
}
std::string str = " " + commandName + " = PFN_" + commandName + "( vkGet" + ( ( firstArg == "device" ) ? "Device" : "Instance" ) + "ProcAddr( " +
firstArg + ", \"" + commandName + "\" ) );\n";
// if this is an alias'ed function, use it as a fallback for the original one
auto aliasIt = m_commandAliases.find( commandName );
if ( aliasIt != m_commandAliases.end() )
{
str += " if ( !" + aliasIt->second.name + " ) " + aliasIt->second.name + " = " + commandName + ";\n";
}
return str;
}
std::string VulkanHppGenerator::generateDispatchLoaderStaticCommands( std::vector<RequireData> const & requireData,
std::set<std::string> & listedCommands,
std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
// some commands are listed for multiple extensions !
if ( listedCommands.insert( command ).second )
{
auto const & commandData = getCommandData( command );
str += "\n";
std::string parameterList, parameters;
assert( !commandData.params.empty() );
for ( auto param : commandData.params )
{
parameterList += param.type.compose( "" ) + " " + param.name + generateCArraySizes( param.arraySizes ) + ", ";
parameters += param.name + ", ";
}
assert( parameterList.ends_with( ", " ) && parameters.ends_with( ", " ) );
parameterList.resize( parameterList.size() - 2 );
parameters.resize( parameters.size() - 2 );
const std::string commandTemplate = R"(
${returnType} ${commandName}( ${parameterList} ) const VULKAN_HPP_NOEXCEPT
{
return ::${commandName}( ${parameters} );
}
)";
str += replaceWithMap(
commandTemplate,
{ { "commandName", command }, { "parameterList", parameterList }, { "parameters", parameters }, { "returnType", commandData.returnType } } );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateEnum( std::pair<std::string, EnumData> const & enumData, std::string const & surroundingProtect ) const
{
std::string baseType, bitmask;
if ( enumData.second.isBitmask )
{
auto bitmaskIt =
std::find_if( m_bitmasks.begin(), m_bitmasks.end(), [&enumData]( auto const & bitmask ) { return bitmask.second.require == enumData.first; } );
assert( bitmaskIt != m_bitmasks.end() );
baseType = " : " + bitmaskIt->first;
bitmask = generateBitmask( bitmaskIt, surroundingProtect );
}
auto aliasEnumIt = findAlias( enumData.first, m_enumAliases );
std::string enumValues, previousEnter, previousLeave;
#if !defined( NDEBUG )
std::map<std::string, std::string> valueToNameMap;
#else
std::set<std::string> valueSet;
#endif
for ( auto const & value : enumData.second.values )
{
std::string valueName = generateEnumValueName(
value.alias.empty() || ( aliasEnumIt == m_enumAliases.end() ) ? enumData.first : aliasEnumIt->first, value.name, enumData.second.isBitmask );
#if !defined( NDEBUG )
auto valueToNameIt = valueToNameMap.find( valueName );
if ( valueToNameIt == valueToNameMap.end() )
#else
if ( !valueSet.contains( valueName ) )
#endif
{
// if the value's protect differs from the surrounding protect, generate protection code
std::string enter, leave;
if ( !value.protect.empty() && ( value.protect != surroundingProtect ) )
{
tie( enter, leave ) = generateProtection( value.protect );
}
if ( previousEnter != enter )
{
enumValues += previousLeave + enter;
}
enumValues += " " + valueName + " = " + value.name + ",\n";
#if !defined( NDEBUG )
if ( value.alias.empty() )
{
valueToNameMap[valueName] = value.name;
}
else
{
// map the aliasName to the name of the base
std::string baseName = value.name;
auto valueIt = std::find_if(
enumData.second.values.begin(), enumData.second.values.end(), [&baseName]( EnumValueData const & evd ) { return evd.name == baseName; } );
assert( valueIt != enumData.second.values.end() );
while ( !valueIt->alias.empty() )
{
baseName = valueIt->alias;
valueIt = std::find_if(
enumData.second.values.begin(), enumData.second.values.end(), [&baseName]( EnumValueData const & evd ) { return evd.name == baseName; } );
if ( valueIt == enumData.second.values.end() )
{
valueIt = std::find_if( enumData.second.unsupportedValues.begin(),
enumData.second.unsupportedValues.end(),
[&baseName]( EnumValueData const & evd ) { return evd.name == baseName; } );
assert( valueIt != enumData.second.unsupportedValues.end() );
}
}
valueToNameMap[valueName] = baseName;
}
#else
valueSet.insert( valueName );
#endif
previousEnter = enter;
previousLeave = leave;
}
#if !defined( NDEBUG )
else
{
// verify, that the identical value represents the identical name
auto valueIt =
std::find_if( enumData.second.values.begin(), enumData.second.values.end(), [&value]( EnumValueData const & evd ) { return evd.name == value.name; } );
std::string baseName = valueIt->name;
while ( !valueIt->alias.empty() )
{
baseName = valueIt->alias;
valueIt = std::find_if(
enumData.second.values.begin(), enumData.second.values.end(), [&baseName]( EnumValueData const & evd ) { return evd.name == baseName; } );
}
assert( baseName == valueToNameIt->second );
}
#endif
}
enumValues += previousLeave;
if ( !enumValues.empty() )
{
size_t pos = enumValues.rfind( ',' );
assert( pos != std::string::npos );
enumValues.erase( pos, 1 );
enumValues = "\n" + enumValues + " ";
}
std::string enumUsing;
if ( aliasEnumIt != m_enumAliases.end() )
{
enumUsing += " using " + stripPrefix( aliasEnumIt->first, "Vk" ) + " = " + stripPrefix( enumData.first, "Vk" ) + ";\n";
}
const std::string enumTemplate = R"( enum class ${enumName}${baseType}
{${enumValues}};
${enumUsing}${bitmask})";
return replaceWithMap( enumTemplate,
{ { "baseType", baseType },
{ "bitmask", bitmask },
{ "enumName", stripPrefix( enumData.first, "Vk" ) },
{ "enumUsing", enumUsing },
{ "enumValues", enumValues } } );
}
std::string VulkanHppGenerator::generateEnums() const
{
const std::string enumsTemplate = R"(
//=============
//=== ENUMs ===
//=============
${enums}
)";
std::string enums;
std::set<std::string> listedEnums;
for ( auto const & feature : m_features )
{
enums += generateEnums( feature.requireData, listedEnums, feature.name );
}
for ( auto const & extension : m_extensions )
{
enums += generateEnums( extension.requireData, listedEnums, extension.name );
}
return replaceWithMap( enumsTemplate, { { "enums", enums } } );
}
std::string
VulkanHppGenerator::generateEnums( std::vector<RequireData> const & requireData, std::set<std::string> & listedEnums, std::string const & title ) const
{
std::string surroundingProtect = getProtectFromTitle( title );
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto enumIt = m_enums.find( type );
if ( ( enumIt != m_enums.end() ) && !listedEnums.contains( type ) )
{
listedEnums.insert( type );
str += "\n";
str += generateEnum( *enumIt, surroundingProtect );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateEnumsToString() const
{
// start with toHexString, which is used in all the to_string functions here!
const std::string enumsToStringTemplate = R"(
//=======================
//=== ENUMs to_string ===
//=======================
VULKAN_HPP_INLINE std::string toHexString( uint32_t value )
{
#if __cpp_lib_format
return std::format( "{:x}", value );
#else
std::stringstream stream;
stream << std::hex << value;
return stream.str();
#endif
}
${enumsToString}
)";
std::string enumsToString;
std::set<std::string> listedEnums;
for ( auto const & feature : m_features )
{
enumsToString += generateEnumsToString( feature.requireData, listedEnums, feature.name );
}
for ( auto const & extension : m_extensions )
{
enumsToString += generateEnumsToString( extension.requireData, listedEnums, extension.name );
}
return replaceWithMap( enumsToStringTemplate, { { "enumsToString", enumsToString } } );
}
std::string VulkanHppGenerator::generateEnumsToString( std::vector<RequireData> const & requireData,
std::set<std::string> & listedEnums,
std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto enumIt = m_enums.find( type );
if ( ( enumIt != m_enums.end() ) && !listedEnums.contains( type ) )
{
listedEnums.insert( type );
str += "\n";
str += generateEnumToString( *enumIt );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateEnumInitializer( TypeInfo const & type,
std::vector<std::string> const & arraySizes,
std::vector<EnumValueData> const & values,
bool bitmask ) const
{
// enum arguments might need special initialization
assert( type.prefix.empty() && !values.empty() );
std::string valueName = generateEnumValueName( type.type, values.front().name, bitmask );
std::string value = generateNamespacedType( type.type ) + "::" + valueName;
std::string str;
if ( arraySizes.empty() )
{
str += value;
}
else
{
assert( arraySizes.size() == 1 );
auto constIt = m_constants.find( arraySizes[0] );
int count = std::stoi( ( constIt == m_constants.end() ) ? arraySizes[0] : constIt->second.value );
assert( 1 < count );
str += "{ { " + value;
for ( int i = 1; i < count; i++ )
{
str += ", " + value;
}
str += " } }";
}
return str;
}
std::string VulkanHppGenerator::generateEnumToString( std::pair<std::string, EnumData> const & enumData ) const
{
std::string enumName = stripPrefix( enumData.first, "Vk" );
std::string functionBody;
if ( enumData.second.values.empty() )
{
functionBody = R"x( return "(void)";)x";
}
else
{
std::string cases, previousEnter, previousLeave;
for ( auto const & value : enumData.second.values )
{
// generate cases for non-alias enum values only
if ( value.alias.empty() )
{
auto [enter, leave] = generateProtection( value.protect );
if ( previousEnter != enter )
{
cases += previousLeave + enter;
}
const std::string caseTemplate = R"( case ${enumName}::e${valueName} : return "${valueName}";
)";
cases += replaceWithMap(
caseTemplate,
{ { "enumName", enumName }, { "valueName", generateEnumValueName( enumData.first, value.name, enumData.second.isBitmask ).substr( 1 ) } } );
previousEnter = enter;
previousLeave = leave;
}
}
cases += previousLeave;
const std::string functionBodyTemplate =
R"x( switch ( value )
{
${cases} default: return "invalid ( " + VULKAN_HPP_NAMESPACE::toHexString( static_cast<uint32_t>( value ) ) + " )";
}
)x";
functionBody = replaceWithMap( functionBodyTemplate, { { "cases", cases } } );
}
const std::string enumToStringTemplate = R"(
VULKAN_HPP_INLINE std::string to_string( ${enumName}${argument} )
{
${functionBody}
}
)";
return replaceWithMap( enumToStringTemplate,
{ { "argument", enumData.second.values.empty() ? "" : " value" }, { "enumName", enumName }, { "functionBody", functionBody } } );
}
std::pair<std::string, std::string> VulkanHppGenerator::generateEnumSuffixes( std::string const & name, bool bitmask ) const
{
std::string prefix, postfix;
if ( name == "VkResult" )
{
prefix = "VK_";
}
else
{
if ( bitmask )
{
// for a bitmask enum, start with "VK", cut off the trailing "FlagBits", and convert that name to upper case
// end that with "Bit"
size_t pos = name.find( "FlagBits" );
assert( pos != std::string::npos );
std::string shortenedName = name;
shortenedName.erase( pos, strlen( "FlagBits" ) );
std::string tag = findTag( shortenedName );
prefix = toUpperCase( stripPostfix( shortenedName, tag ) ) + "_";
}
else
{
// for a non-bitmask enum, convert the name to upper case
prefix = toUpperCase( name ) + "_";
}
// if the enum name contains a tag move it from the prefix to the postfix to generate correct enum value
// names.
for ( auto const & tag : m_tags )
{
if ( prefix.ends_with( tag.first + "_" ) )
{
prefix.erase( prefix.length() - tag.first.length() - 1 );
postfix = "_" + tag.first;
break;
}
else if ( name.ends_with( tag.first ) )
{
postfix = "_" + tag.first;
break;
}
}
}
return std::make_pair( prefix, postfix );
}
std::string VulkanHppGenerator::generateEnumValueName( std::string const & enumName, std::string const & valueName, bool bitmask ) const
{
std::string prefix, postfix;
std::tie( prefix, postfix ) = generateEnumSuffixes( enumName, bitmask );
std::string tag = findTag( valueName, "" );
if ( postfix == "_" + tag )
{
tag = findTag( valueName, postfix );
}
std::string result = "e" + toCamelCase( stripPostfix( stripPrefix( valueName, prefix ), postfix ) );
if ( bitmask )
{
size_t pos = result.find( "Bit" );
if ( pos != std::string::npos )
{
result.erase( pos, 3 );
}
}
if ( !tag.empty() && ( result.substr( result.length() - tag.length() ) == toCamelCase( tag ) ) )
{
result = result.substr( 0, result.length() - tag.length() ) + tag;
}
return result;
}
std::string VulkanHppGenerator::generateExtensionDependencies() const
{
std::string extensionDependencies, previousEnter, previousLeave;
for ( auto const & extension : m_extensions )
{
if ( !extension.depends.empty() )
{
std::string dependsPerExtension = "{ \"" + extension.name + "\", { ";
for ( auto const & dependsByVersion : extension.depends )
{
dependsPerExtension += "{ \"" + dependsByVersion.first + "\", { ";
if ( !dependsByVersion.second.empty() )
{
dependsPerExtension += " { ";
for ( auto const & dependsSet : dependsByVersion.second )
{
for ( auto const & depends : dependsSet )
{
dependsPerExtension += "\"" + depends + "\", ";
}
}
dependsPerExtension += " }, ";
assert( dependsPerExtension.ends_with( ", " ) );
dependsPerExtension = dependsPerExtension.substr( 0, dependsPerExtension.length() - 2 );
}
dependsPerExtension += " } }, ";
}
assert( dependsPerExtension.ends_with( ", " ) );
dependsPerExtension = dependsPerExtension.substr( 0, dependsPerExtension.length() - 2 );
dependsPerExtension += " } }, ";
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
extensionDependencies += ( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + dependsPerExtension;
previousEnter = enter;
previousLeave = leave;
}
}
assert( extensionDependencies.ends_with( ", " ) );
extensionDependencies = extensionDependencies.substr( 0, extensionDependencies.length() - 2 );
if ( !previousLeave.empty() )
{
extensionDependencies += "\n" + previousLeave;
}
return extensionDependencies;
}
std::string VulkanHppGenerator::generateExtensionDependsByVersion( bool definition ) const
{
if ( m_api != "vulkan" )
{
return "";
}
if ( definition )
{
const std::string generateExtensionDependsTemplate =
R"( VULKAN_HPP_INLINE std::pair<bool, std::vector<std::vector<std::string>> const &> getExtensionDepends( std::string const & version, std::string const & extension )
{
#if !defined( NDEBUG )
static std::set<std::string> versions = { ${versions} };
assert( versions.find( version ) != versions.end() );
#endif
static std::vector<std::vector<std::string>> noDependencies;
std::map<std::string, std::vector<std::vector<std::string>>> const & dependencies = getExtensionDepends( extension );
if ( dependencies.empty() )
{
return { true, noDependencies };
}
auto depIt = dependencies.lower_bound( version );
if ( ( depIt == dependencies.end() ) || ( depIt->first != version ) )
{
depIt = std::prev( depIt );
}
if ( depIt == dependencies.end() )
{
return { false, noDependencies };
}
else
{
return { true, depIt->second };
}
}
)";
std::string versions;
for ( auto const & feature : m_features )
{
versions += "\"" + feature.name + "\", ";
}
assert( versions.ends_with( ", " ) );
versions = versions.substr( 0, versions.length() - 2 );
return replaceWithMap( generateExtensionDependsTemplate, { { "versions", versions } } );
}
else
{
return "std::pair<bool, std::vector<std::vector<std::string>> const &> getExtensionDepends( std::string const & version, std::string const & extension );";
}
}
template <class Predicate, class Extraction>
std::string VulkanHppGenerator::generateExtensionReplacedBy( Predicate p, Extraction e ) const
{
std::string replacedBy, previousEnter, previousLeave;
for ( auto const & extension : m_extensions )
{
if ( p( extension ) )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
replacedBy += ( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + " if ( extension == \"" + extension.name + "\" ) { return \"" +
e( extension ) + "\"; }";
previousEnter = enter;
previousLeave = leave;
}
}
if ( !previousLeave.empty() )
{
replacedBy += "\n" + previousLeave;
}
replacedBy += "\n return \"\";";
return replacedBy;
}
template <class Predicate>
std::string VulkanHppGenerator::generateExtensionReplacedTest( Predicate p ) const
{
std::string replacedTest, previousEnter, previousLeave;
bool unprotectedEntry = false;
for ( auto const & extension : m_extensions )
{
if ( p( extension ) )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
unprotectedEntry |= enter.empty();
replacedTest += ( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + "( extension == \"" + extension.name + "\" ) || ";
previousEnter = enter;
previousLeave = leave;
}
}
if ( unprotectedEntry )
{
assert( replacedTest.ends_with( " || " ) );
replacedTest = replacedTest.substr( 0, replacedTest.length() - 4 );
}
if ( !previousLeave.empty() )
{
replacedTest += "\n" + previousLeave;
}
if ( !unprotectedEntry )
{
replacedTest += "false"; // there might be no replacements at all, so add a "false" at the end...
}
return replacedTest;
}
std::string VulkanHppGenerator::generateExtensionsList( std::string const & type ) const
{
std::string extensionsList, previousEnter, previousLeave;
for ( auto const & extension : m_extensions )
{
if ( extension.type == type )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
extensionsList += ( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + "\"" + extension.name + "\", ";
previousEnter = enter;
previousLeave = leave;
}
}
assert( extensionsList.ends_with( ", " ) );
extensionsList = extensionsList.substr( 0, extensionsList.length() - 2 );
if ( !previousLeave.empty() )
{
extensionsList += "\n" + previousLeave;
}
return extensionsList;
}
std::string VulkanHppGenerator::generateExtensionTypeTest( std::string const & type ) const
{
std::string typeTest, previousEnter, previousLeave;
bool first = true;
for ( auto const & extension : m_extensions )
{
if ( extension.type == type )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
typeTest +=
( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + ( first ? "" : " || " ) + "( extension == \"" + extension.name + "\" )";
previousEnter = enter;
previousLeave = leave;
first = false;
}
}
if ( !previousLeave.empty() )
{
typeTest += "\n" + previousLeave;
}
return typeTest;
}
std::string VulkanHppGenerator::generateFormatTraits() const
{
if ( m_formats.empty() )
{
return "";
}
const std::string formatTraitsTemplate = R"(
//=====================
//=== Format Traits ===
//=====================
// The three-dimensional extent of a texel block.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 std::array<uint8_t, 3> blockExtent( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${blockExtentCases}
default: return {{1, 1, 1 }};
}
}
// The texel block size in bytes.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t blockSize( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${blockSizeCases}
default : VULKAN_HPP_ASSERT( false ); return 0;
}
}
// The class of the format (can't be just named "class"!)
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 char const * compatibilityClass( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${classCases}
default : VULKAN_HPP_ASSERT( false ); return "";
}
}
// The number of bits in this component, if not compressed, otherwise 0.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t componentBits( VULKAN_HPP_NAMESPACE::Format format, uint8_t component )
{
switch( format )
{
${componentBitsCases}
default: return 0;
}
}
// The number of components of this format.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t componentCount( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${componentCountCases}
default: return 0;
}
}
// The name of the component
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 char const * componentName( VULKAN_HPP_NAMESPACE::Format format, uint8_t component )
{
switch( format )
{
${componentNameCases}
default: return "";
}
}
// The numeric format of the component
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 char const * componentNumericFormat( VULKAN_HPP_NAMESPACE::Format format, uint8_t component )
{
switch( format )
{
${componentNumericFormatCases}
default: return "";
}
}
// The plane this component lies in.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t componentPlaneIndex( VULKAN_HPP_NAMESPACE::Format format, uint8_t component )
{
switch( format )
{
${componentPlaneIndexCases}
default: return 0;
}
}
// True, if the components of this format are compressed, otherwise false.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 bool componentsAreCompressed( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${componentsAreCompressedCases}
return true;
default: return false;
}
}
// A textual description of the compression scheme, or an empty string if it is not compressed
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 char const * compressionScheme( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${compressionSchemeCases}
default: return "";
}
}
// True, if this format is a compressed one.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 bool isCompressed( VULKAN_HPP_NAMESPACE::Format format )
{
return ( *VULKAN_HPP_NAMESPACE::compressionScheme( format ) != 0 );
}
// The number of bits into which the format is packed. A single image element in this format
// can be stored in the same space as a scalar type of this bit width.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t packed( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${packedCases}
default: return 0;
}
}
// The single-plane format that this plane is compatible with.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 VULKAN_HPP_NAMESPACE::Format planeCompatibleFormat( VULKAN_HPP_NAMESPACE::Format format, uint8_t plane )
{
switch( format )
{
${planeCompatibleCases}
default: VULKAN_HPP_ASSERT( plane == 0 ); return format;
}
}
// The number of image planes of this format.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t planeCount( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${planeCountCases}
default: return 1;
}
}
// The relative height of this plane. A value of k means that this plane is 1/k the height of the overall format.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t planeHeightDivisor( VULKAN_HPP_NAMESPACE::Format format, uint8_t plane )
{
switch( format )
{
${planeHeightDivisorCases}
default: VULKAN_HPP_ASSERT( plane == 0 ); return 1;
}
}
// The relative width of this plane. A value of k means that this plane is 1/k the width of the overall format.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t planeWidthDivisor( VULKAN_HPP_NAMESPACE::Format format, uint8_t plane )
{
switch( format )
{
${planeWidthDivisorCases}
default: VULKAN_HPP_ASSERT( plane == 0 ); return 1;
}
}
// The number of texels in a texel block.
VULKAN_HPP_INLINE VULKAN_HPP_CONSTEXPR_14 uint8_t texelsPerBlock( VULKAN_HPP_NAMESPACE::Format format )
{
switch( format )
{
${texelsPerBlockCases}
default: VULKAN_HPP_ASSERT( false ); return 0;
}
}
)";
auto formatIt = m_enums.find( "VkFormat" );
assert( formatIt != m_enums.end() );
assert( formatIt->second.values.front().name == "VK_FORMAT_UNDEFINED" );
std::string blockSizeCases, blockExtentCases, classCases, componentBitsCases, componentCountCases, componentNameCases, componentNumericFormatCases,
componentPlaneIndexCases, componentsAreCompressedCases, compressionSchemeCases, packedCases, planeCompatibleCases, planeCountCases, planeHeightDivisorCases,
planeWidthDivisorCases, texelsPerBlockCases;
for ( auto formatValuesIt = std::next( formatIt->second.values.begin() ); formatValuesIt != formatIt->second.values.end(); ++formatValuesIt )
{
// only generate a trait for non-alias formats
if ( formatValuesIt->alias.empty() )
{
auto traitIt = m_formats.find( formatValuesIt->name );
assert( traitIt != m_formats.end() );
std::string caseString = " case VULKAN_HPP_NAMESPACE::Format::" + generateEnumValueName( "VkFormat", traitIt->first, false ) + ":";
blockSizeCases += caseString + " return " + traitIt->second.blockSize + ";\n";
if ( !traitIt->second.blockExtent.empty() )
{
std::vector<std::string> blockExtent = tokenize( traitIt->second.blockExtent, "," );
assert( blockExtent.size() == 3 );
blockExtentCases += caseString + " return {{ " + blockExtent[0] + ", " + blockExtent[1] + ", " + blockExtent[2] + " }};\n";
}
classCases += caseString + " return \"" + traitIt->second.classAttribute + "\";\n";
if ( traitIt->second.components.front().bits != "compressed" )
{
const std::string componentBitsCaseTemplate = R"(${caseString}
switch( component )
{
${componentCases}
default: VULKAN_HPP_ASSERT( false ); return 0;
}
)";
std::string componentCases;
for ( size_t i = 0; i < traitIt->second.components.size(); ++i )
{
componentCases += " case " + std::to_string( i ) + ": return " + traitIt->second.components[i].bits + ";\n";
}
componentCases.pop_back();
componentBitsCases += replaceWithMap( componentBitsCaseTemplate, { { "caseString", caseString }, { "componentCases", componentCases } } );
}
componentCountCases += caseString + " return " + std::to_string( traitIt->second.components.size() ) + ";\n";
{
const std::string componentNameCaseTemplate = R"(${caseString}
switch( component )
{
${componentCases}
default: VULKAN_HPP_ASSERT( false ); return "";
}
)";
std::string componentCases;
for ( size_t i = 0; i < traitIt->second.components.size(); ++i )
{
componentCases += " case " + std::to_string( i ) + ": return \"" + traitIt->second.components[i].name + "\";\n";
}
componentCases.pop_back();
componentNameCases += replaceWithMap( componentNameCaseTemplate, { { "caseString", caseString }, { "componentCases", componentCases } } );
}
{
const std::string componentNumericFormatCaseTemplate = R"(${caseString}
switch( component )
{
${componentCases}
default: VULKAN_HPP_ASSERT( false ); return "";
}
)";
std::string componentCases;
for ( size_t i = 0; i < traitIt->second.components.size(); ++i )
{
componentCases += " case " + std::to_string( i ) + ": return \"" + traitIt->second.components[i].numericFormat + "\";\n";
}
componentCases.pop_back();
componentNumericFormatCases +=
replaceWithMap( componentNumericFormatCaseTemplate, { { "caseString", caseString }, { "componentCases", componentCases } } );
}
if ( !traitIt->second.components.front().planeIndex.empty() )
{
const std::string componentPlaneIndexCaseTemplate = R"(${caseString}
switch( component )
{
${componentCases}
default: VULKAN_HPP_ASSERT( false ); return 0;
}
)";
std::string componentCases;
for ( size_t i = 0; i < traitIt->second.components.size(); ++i )
{
componentCases += " case " + std::to_string( i ) + ": return " + traitIt->second.components[i].planeIndex + ";\n";
}
componentCases.pop_back();
componentPlaneIndexCases += replaceWithMap( componentPlaneIndexCaseTemplate, { { "caseString", caseString }, { "componentCases", componentCases } } );
}
if ( traitIt->second.components.front().bits == "compressed" )
{
componentsAreCompressedCases += caseString + "\n";
}
if ( !traitIt->second.compressed.empty() )
{
compressionSchemeCases += caseString + " return \"" + traitIt->second.compressed + "\";\n";
}
if ( !traitIt->second.packed.empty() )
{
packedCases += caseString + " return " + traitIt->second.packed + ";\n";
}
if ( !traitIt->second.planes.empty() )
{
const std::string planeCompatibleCaseTemplate = R"(${caseString}
switch( plane )
{
${compatibleCases}
default: VULKAN_HPP_ASSERT( false ); return VULKAN_HPP_NAMESPACE::Format::eUndefined;
}
)";
const std::string planeHeightDivisorCaseTemplate = R"(${caseString}
switch( plane )
{
${heightDivisorCases}
default: VULKAN_HPP_ASSERT( false ); return 1;
}
)";
const std::string planeWidthDivisorCaseTemplate = R"(${caseString}
switch( plane )
{
${widthDivisorCases}
default: VULKAN_HPP_ASSERT( false ); return 1;
}
)";
std::string compatibleCases, heightDivisorCases, widthDivisorCases;
for ( size_t i = 0; i < traitIt->second.planes.size(); ++i )
{
compatibleCases += " case " + std::to_string( i ) +
": return VULKAN_HPP_NAMESPACE::Format::" + generateEnumValueName( "VkFormat", traitIt->second.planes[i].compatible, false ) +
";\n";
heightDivisorCases += " case " + std::to_string( i ) + ": return " + traitIt->second.planes[i].heightDivisor + ";\n";
widthDivisorCases += " case " + std::to_string( i ) + ": return " + traitIt->second.planes[i].widthDivisor + ";\n";
}
compatibleCases.pop_back();
heightDivisorCases.pop_back();
widthDivisorCases.pop_back();
planeCompatibleCases += replaceWithMap( planeCompatibleCaseTemplate, { { "caseString", caseString }, { "compatibleCases", compatibleCases } } );
planeCountCases += caseString + " return " + std::to_string( traitIt->second.planes.size() ) + ";\n";
planeHeightDivisorCases +=
replaceWithMap( planeHeightDivisorCaseTemplate, { { "caseString", caseString }, { "heightDivisorCases", heightDivisorCases } } );
planeWidthDivisorCases += replaceWithMap( planeWidthDivisorCaseTemplate, { { "caseString", caseString }, { "widthDivisorCases", widthDivisorCases } } );
}
texelsPerBlockCases += caseString + " return " + traitIt->second.texelsPerBlock + ";\n";
}
}
return replaceWithMap( formatTraitsTemplate,
{ { "blockExtentCases", blockExtentCases },
{ "blockSizeCases", blockSizeCases },
{ "classCases", classCases },
{ "componentBitsCases", componentBitsCases },
{ "componentCountCases", componentCountCases },
{ "componentNameCases", componentNameCases },
{ "componentNumericFormatCases", componentNumericFormatCases },
{ "componentPlaneIndexCases", componentPlaneIndexCases },
{ "componentsAreCompressedCases", componentsAreCompressedCases },
{ "compressionSchemeCases", compressionSchemeCases },
{ "packedCases", packedCases },
{ "planeCompatibleCases", planeCompatibleCases },
{ "planeCountCases", planeCountCases },
{ "planeHeightDivisorCases", planeHeightDivisorCases },
{ "planeWidthDivisorCases", planeWidthDivisorCases },
{ "texelsPerBlockCases", texelsPerBlockCases } } );
}
std::string VulkanHppGenerator::generateFunctionPointerCheck( std::string const & function, std::set<std::string> const & requiredBy ) const
{
std::string functionPointerCheck;
if ( !requiredBy.empty() )
{
std::string message = "Function <" + function + "> requires <" + *requiredBy.begin() + ">";
for ( auto it = std::next( requiredBy.begin() ); it != requiredBy.end(); ++it )
{
message += " or <" + *it + ">";
}
functionPointerCheck = "VULKAN_HPP_ASSERT( getDispatcher()->" + function + " && \"" + message + "\" );";
}
return functionPointerCheck;
}
std::string VulkanHppGenerator::generateHandle( std::pair<std::string, HandleData> const & handleData, std::set<std::string> & listedHandles ) const
{
assert( !listedHandles.contains( handleData.first ) );
// first check for any handle that needs to be listed before this one
std::string str = generateHandleDependencies( handleData, listedHandles );
// list the commands of this handle
if ( handleData.first.empty() )
{
// the free functions, not bound to any handle
str += generateHandleEmpty( handleData.second );
}
else
{
// list all the commands that are mapped to members of this class
std::string commands = generateHandleCommandDeclarations( handleData.second.commands );
std::string debugReportObjectType = generateDebugReportObjectType( handleData.second.objTypeEnum );
// create CPPType template specialization
std::string className = stripPrefix( handleData.first, "Vk" );
std::string cppType;
if ( debugReportObjectType != "eUnknown" )
{
static const std::string cppTypeFromDebugReportObjectTypeEXTTemplate = R"(
template <>
struct CppType<VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT, VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT::e${className}>
{
using Type = VULKAN_HPP_NAMESPACE::${className};
};
)";
cppType = replaceWithMap( cppTypeFromDebugReportObjectTypeEXTTemplate, { { "className", className } } );
}
auto [enter, leave] = generateProtection( getProtectFromType( handleData.first ) );
assert( !handleData.second.objTypeEnum.empty() );
auto enumIt = m_enums.find( "VkObjectType" );
assert( enumIt != m_enums.end() );
auto valueIt = std::find_if( enumIt->second.values.begin(),
enumIt->second.values.end(),
[&handleData]( EnumValueData const & evd ) { return evd.name == handleData.second.objTypeEnum; } );
assert( valueIt != enumIt->second.values.end() );
std::string usingAlias;
auto aliasIt = findAlias( handleData.first, m_handleAliases );
if ( aliasIt != m_handleAliases.end() )
{
usingAlias += " using " + stripPrefix( aliasIt->first, "Vk" ) + " = " + stripPrefix( handleData.first, "Vk" ) + ";\n";
}
const std::string typesafeExplicitKeyword = handleData.second.isDispatchable ? "" : "VULKAN_HPP_TYPESAFE_EXPLICIT ";
const std::string typesafeConversionConditional = handleData.second.isDispatchable ? "" : "#if defined(VULKAN_HPP_TYPESAFE_CONVERSION)\n";
const std::string typesafeConversionConditionalEnd = handleData.second.isDispatchable ? "" : "#endif\n";
static const std::string templateString = R"(
${enter} class ${className}
{
public:
using CType = Vk${className};
using NativeType = Vk${className};
static VULKAN_HPP_CONST_OR_CONSTEXPR VULKAN_HPP_NAMESPACE::ObjectType objectType = VULKAN_HPP_NAMESPACE::ObjectType::${objTypeEnum};
static VULKAN_HPP_CONST_OR_CONSTEXPR VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT debugReportObjectType = VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT::${debugReportObjectType};
public:
VULKAN_HPP_CONSTEXPR ${className}() = default;
VULKAN_HPP_CONSTEXPR ${className}( std::nullptr_t ) VULKAN_HPP_NOEXCEPT
{}
${typesafeExplicitKeyword}${className}( Vk${className} ${memberName} ) VULKAN_HPP_NOEXCEPT
: m_${memberName}( ${memberName} )
{}
${typesafeConversionConditional} ${className} & operator=(Vk${className} ${memberName}) VULKAN_HPP_NOEXCEPT
{
m_${memberName} = ${memberName};
return *this;
}
${typesafeConversionConditionalEnd}
${className} & operator=( std::nullptr_t ) VULKAN_HPP_NOEXCEPT
{
m_${memberName} = {};
return *this;
}
#if defined(VULKAN_HPP_HAS_SPACESHIP_OPERATOR)
auto operator<=>( ${className} const & ) const = default;
#else
bool operator==( ${className} const & rhs ) const VULKAN_HPP_NOEXCEPT
{
return m_${memberName} == rhs.m_${memberName};
}
bool operator!=(${className} const & rhs ) const VULKAN_HPP_NOEXCEPT
{
return m_${memberName} != rhs.m_${memberName};
}
bool operator<(${className} const & rhs ) const VULKAN_HPP_NOEXCEPT
{
return m_${memberName} < rhs.m_${memberName};
}
#endif
${commands}
${typesafeExplicitKeyword}operator Vk${className}() const VULKAN_HPP_NOEXCEPT
{
return m_${memberName};
}
explicit operator bool() const VULKAN_HPP_NOEXCEPT
{
return m_${memberName} != VK_NULL_HANDLE;
}
bool operator!() const VULKAN_HPP_NOEXCEPT
{
return m_${memberName} == VK_NULL_HANDLE;
}
private:
Vk${className} m_${memberName} = {};
};
template <>
struct CppType<VULKAN_HPP_NAMESPACE::ObjectType, VULKAN_HPP_NAMESPACE::ObjectType::${objTypeEnum}>
{
using Type = VULKAN_HPP_NAMESPACE::${className};
};
${CppType}
template <>
struct isVulkanHandleType<VULKAN_HPP_NAMESPACE::${className}>
{
static VULKAN_HPP_CONST_OR_CONSTEXPR bool value = true;
};
${usingAlias}${leave})";
str += replaceWithMap( templateString,
{ { "className", className },
{ "commands", commands },
{ "CppType", cppType },
{ "debugReportObjectType", debugReportObjectType },
{ "enter", enter },
{ "leave", leave },
{ "memberName", startLowerCase( stripPrefix( handleData.first, "Vk" ) ) },
{ "objTypeEnum", generateEnumValueName( enumIt->first, valueIt->name, false ) },
{ "usingAlias", usingAlias },
{ "typesafeExplicitKeyword", typesafeExplicitKeyword },
{ "typesafeConversionConditional", typesafeConversionConditional },
{ "typesafeConversionConditionalEnd", typesafeConversionConditionalEnd } } );
}
listedHandles.insert( handleData.first );
return str;
}
std::string VulkanHppGenerator::generateHandleCommandDeclarations( std::set<std::string> const & commands ) const
{
std::string str;
std::set<std::string> listedCommands; // some commands are listed with more than one extension!
for ( auto const & feature : m_features )
{
std::vector<std::string> commandNames = selectCommandsByHandle( feature.requireData, commands, listedCommands );
if ( !commandNames.empty() )
{
str += "\n //=== " + feature.name + " ===\n";
for ( auto const & command : commandNames )
{
auto commandIt = m_commands.find( command );
assert( commandIt != m_commands.end() );
str += "\n";
str += generateCommand( commandIt->first, commandIt->second, 1, false, false );
str += generateDestroyCommand( commandIt->first, commandIt->second );
}
}
}
for ( auto const & extension : m_extensions )
{
std::vector<std::string> commandNames = selectCommandsByHandle( extension.requireData, commands, listedCommands );
if ( !commandNames.empty() )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
str += "\n" + enter + " //=== " + extension.name + " ===\n";
for ( auto const & command : commandNames )
{
auto const & commandData = getCommandData( command );
std::string commandString;
std::string commandName = generateCommandName( command, commandData.params, 1 );
str += "\n";
str += generateCommand( command, commandData, 1, false, false );
str += generateDestroyCommand( command, commandData );
}
str += leave;
}
}
return str;
}
std::string VulkanHppGenerator::generateHandleDependencies( std::pair<std::string, HandleData> const & handleData, std::set<std::string> & listedHandles ) const
{
std::string str;
for ( auto const & command : handleData.second.commands )
{
auto const & commandData = getCommandData( command );
for ( auto const & parameter : commandData.params )
{
auto handleIt = m_handles.find( parameter.type.type );
if ( ( handleIt != m_handles.end() ) && ( parameter.type.type != handleData.first ) && !listedHandles.contains( parameter.type.type ) )
{
str += generateHandle( *handleIt, listedHandles );
}
}
}
return str;
}
std::string VulkanHppGenerator::generateHandleEmpty( HandleData const & handleData ) const
{
std::string str;
std::set<std::string> listedCommands; // some commands are listed with more than one extension !
for ( auto const & feature : m_features )
{
std::vector<std::string> commands = selectCommandsByHandle( feature.requireData, handleData.commands, listedCommands );
if ( !commands.empty() )
{
str += "\n //=== " + feature.name + " ===\n";
for ( auto const & command : commands )
{
auto commandIt = m_commands.find( command );
assert( commandIt != m_commands.end() );
str += "\n" + generateCommand( commandIt->first, commandIt->second, 0, false, false );
}
}
}
#if !defined( NDEBUG )
for ( auto const & extension : m_extensions )
{
assert( selectCommandsByHandle( extension.requireData, handleData.commands, listedCommands ).empty() );
}
#endif
return str;
}
std::string VulkanHppGenerator::generateHandleForwardDeclarations() const
{
const std::string fowardDeclarationsTemplate = R"(
//===================================
//=== HANDLE forward declarations ===
//===================================
${forwardDeclarations}
)";
std::string forwardDeclarations;
for ( auto const & feature : m_features )
{
forwardDeclarations += generateHandleForwardDeclarations( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
forwardDeclarations += generateHandleForwardDeclarations( extension.requireData, extension.name );
}
return replaceWithMap( fowardDeclarationsTemplate, { { "forwardDeclarations", forwardDeclarations } } );
}
std::string VulkanHppGenerator::generateHandleForwardDeclarations( std::vector<RequireData> const & requireData, std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
str += "class " + stripPrefix( handleIt->first, "Vk" ) + ";\n";
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateHandleHashStructures( std::vector<RequireData> const & requireData, std::string const & title ) const
{
const std::string hashTemplate = R"(
template <> struct hash<VULKAN_HPP_NAMESPACE::${type}>
{
std::size_t operator()(VULKAN_HPP_NAMESPACE::${type} const & ${name}) const VULKAN_HPP_NOEXCEPT
{
return std::hash<Vk${type}>{}(static_cast<Vk${type}>(${name}));
}
};
)";
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
std::string handleType = stripPrefix( handleIt->first, "Vk" );
std::string handleName = startLowerCase( handleType );
str += replaceWithMap( hashTemplate, { { "name", handleName }, { "type", handleType } } );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateHandleHashStructures() const
{
const std::string hashesTemplate = R"(
//===================================
//=== HASH structures for handles ===
//===================================
${hashes}
)";
std::string hashes;
for ( auto const & feature : m_features )
{
hashes += generateHandleHashStructures( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
hashes += generateHandleHashStructures( extension.requireData, extension.name );
}
return replaceWithMap( hashesTemplate, { { "hashes", hashes } } );
}
std::string VulkanHppGenerator::generateHandles() const
{
// Note: reordering structs or handles by features and extensions is not possible!
std::string str = R"(
//===============
//=== HANDLEs ===
//===============
template <typename Type>
struct isVulkanHandleType
{
static VULKAN_HPP_CONST_OR_CONSTEXPR bool value = false;
};
)";
std::set<std::string> listedHandles;
str += generateHandle( *m_handles.begin(), listedHandles ); // artificial handle without a name!
for ( auto handleIt = std::next( m_handles.begin() ); handleIt != m_handles.end(); ++handleIt )
{
if ( !listedHandles.contains( handleIt->first ) && isTypeUsed( handleIt->first ) )
{
str += generateHandle( *handleIt, listedHandles );
}
}
return str;
}
std::string VulkanHppGenerator::generateIndexTypeTraits() const
{
const std::string indexTypeTraitsTemplate = R"(
//=========================
//=== Index Type Traits ===
//=========================
template<typename T>
struct IndexTypeValue
{};
${indexTypeTraits}
)";
auto indexType = m_enums.find( "VkIndexType" );
assert( indexType != m_enums.end() );
std::string indexTypeTraits;
for ( auto const & value : indexType->second.values )
{
assert( value.name.starts_with( "VK_INDEX_TYPE_UINT" ) || value.name.starts_with( "VK_INDEX_TYPE_NONE" ) );
if ( value.alias.empty() && value.name.starts_with( "VK_INDEX_TYPE_UINT" ) )
{
std::string valueName = generateEnumValueName( indexType->first, value.name, false );
assert( valueName.starts_with( "eUint" ) );
auto beginDigit = valueName.begin() + strlen( "eUint" );
assert( isdigit( *beginDigit ) );
auto endDigit = std::find_if( beginDigit, valueName.end(), []( std::string::value_type c ) { return !isdigit( c ); } );
std::string cppType = "uint" + valueName.substr( strlen( "eUint" ), endDigit - beginDigit ) + "_t";
// from type to enum value
const std::string typeToEnumTemplate = R"(
template <>
struct IndexTypeValue<${cppType}>
{
static VULKAN_HPP_CONST_OR_CONSTEXPR IndexType value = IndexType::${valueName};
};
)";
indexTypeTraits += replaceWithMap( typeToEnumTemplate, { { "cppType", cppType }, { "valueName", valueName } } );
// from enum value to type
const std::string enumToTypeTemplate = R"(
template <>
struct CppType<IndexType, IndexType::${valueName}>
{
using Type = ${cppType};
};
)";
indexTypeTraits += replaceWithMap( enumToTypeTemplate, { { "cppType", cppType }, { "valueName", valueName } } );
}
}
return replaceWithMap( indexTypeTraitsTemplate, { { "indexTypeTraits", indexTypeTraits } } );
}
std::string VulkanHppGenerator::generateLenInitializer(
std::vector<MemberData>::const_iterator mit,
std::map<std::vector<MemberData>::const_iterator, std::vector<std::vector<MemberData>::const_iterator>>::const_iterator litit,
bool mutualExclusiveLens ) const
{
std::string initializer;
if ( mutualExclusiveLens )
{
// there are multiple mutually exclusive arrays related to this len
for ( size_t i = 0; i + 1 < litit->second.size(); i++ )
{
auto arrayIt = litit->second[i];
std::string argumentName = startLowerCase( stripPrefix( arrayIt->name, "p" ) ) + "_";
initializer += "!" + argumentName + ".empty() ? " + argumentName + ".size() : ";
}
auto arrayIt = litit->second.back();
std::string argumentName = startLowerCase( stripPrefix( arrayIt->name, "p" ) ) + "_";
initializer += argumentName + ".size()";
}
else
{
auto arrayIt = litit->second.front();
assert( ( arrayIt->lenExpressions.front() == litit->first->name ) ||
( ( arrayIt->lenExpressions.front() == "codeSize / 4" ) && ( litit->first->name == "codeSize" ) ) );
assert( arrayIt->name.starts_with( "p" ) );
std::string argumentName = startLowerCase( stripPrefix( arrayIt->name, "p" ) ) + "_";
assert( mit->type.prefix.empty() && mit->type.postfix.empty() );
initializer = argumentName + ".size()";
if ( arrayIt->lenExpressions.front() == "codeSize / 4" )
{
initializer += " * 4";
}
if ( ( arrayIt->type.type == "void" ) &&
( std::count_if( arrayIt->type.postfix.begin(), arrayIt->type.postfix.end(), []( char c ) { return c == '*'; } ) < 2 ) )
{
initializer += " * sizeof(T)";
}
}
if ( mit->type.type != "size_t" )
{
initializer = "static_cast<" + mit->type.type + ">( " + initializer + " )";
}
return initializer;
}
std::string VulkanHppGenerator::generateName( TypeInfo const & typeInfo ) const
{
std::string name = stripPrefix( typeInfo.type, "Vk" );
assert( typeInfo.prefix.find( '*' ) == std::string::npos );
if ( typeInfo.postfix.find( '*' ) != std::string::npos )
{
assert( typeInfo.postfix.find_first_of( '*' ) == typeInfo.postfix.find_last_of( '*' ) );
name = "p" + name;
}
else
{
name = startLowerCase( name );
}
return name;
}
std::string VulkanHppGenerator::generateNoExcept( std::vector<std::string> const & errorCodes,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
CommandFlavourFlags flavourFlags,
bool vectorSizeCheck,
bool raii ) const
{
// noexcept is only possible with no error codes, and the return param (if any) is not a vector param (unless it's the singular version)
return ( errorCodes.empty() &&
( ( flavourFlags & CommandFlavourFlagBits::singular ) || returnParams.empty() ||
std::none_of( returnParams.begin(), returnParams.end(), [&vectorParams]( size_t rp ) { return vectorParams.contains( rp ); } ) ) )
? ( vectorSizeCheck ? ( raii ? "" : " VULKAN_HPP_NOEXCEPT_WHEN_NO_EXCEPTIONS" ) : " VULKAN_HPP_NOEXCEPT" )
: "";
}
std::string VulkanHppGenerator::generateObjectDeleter( std::string const & commandName,
CommandData const & commandData,
size_t initialSkipCount,
size_t returnParam ) const
{
std::string objectDeleter, allocator;
if ( ( commandName.find( "Acquire" ) != std::string::npos ) || ( commandName.find( "Get" ) != std::string::npos ) )
{
if ( ( commandName == "vkAcquirePerformanceConfigurationINTEL" ) || ( commandName == "vkGetRandROutputDisplayEXT" ) ||
( commandName == "vkGetWinrtDisplayNV" ) || ( commandName == "vkGetDrmDisplayEXT" ) )
{
objectDeleter = "ObjectRelease";
}
else
{
throw std::runtime_error( "Found " + commandName + " which requires special handling for the object deleter" );
}
}
else if ( commandName.find( "Allocate" ) != std::string::npos )
{
objectDeleter = "ObjectFree";
allocator = "allocator, ";
}
else
{
assert( ( commandName.find( "Create" ) != std::string::npos ) || ( commandName.find( "Register" ) != std::string::npos ) );
objectDeleter = "ObjectDestroy";
allocator = "allocator, ";
}
std::string className = initialSkipCount ? stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" ) : "";
std::string parentName = ( className.empty() || ( commandData.params[returnParam].type.type == "VkDevice" ) ) ? "NoParent" : className;
return objectDeleter + "<" + parentName + ", Dispatch>( " + ( ( parentName == "NoParent" ) ? "" : "*this, " ) + allocator + "d )";
}
std::string VulkanHppGenerator::generateObjectTypeToDebugReportObjectType() const
{
auto objectTypeToDebugReportObjectTypeTemplate = std::string{ R"(
//===========================================================
//=== Mapping from ObjectType to DebugReportObjectTypeEXT ===
//===========================================================
VULKAN_HPP_INLINE VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT debugReportObjectType( VULKAN_HPP_NAMESPACE::ObjectType objectType )
{
switch( objectType )
{
${objectTypeCases}
default:
VULKAN_HPP_ASSERT( false && "unknown ObjectType" );
return VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT::eUnknown;
}
}
)" };
auto const generateObjectTypeCases = [this]( std::vector<RequireData> const & requireData, std::string const & title )
{
static const std::string objectTypeCaseTemplate =
" case VULKAN_HPP_NAMESPACE::ObjectType::${objectType} : return VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT::${debugReportObjectType};\n";
std::string objectTypeCases;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
objectTypeCases += replaceWithMap( objectTypeCaseTemplate,
{ { "debugReportObjectType", generateDebugReportObjectType( handleIt->second.objTypeEnum ) },
{ "objectType", generateEnumValueName( "VkObjectType", handleIt->second.objTypeEnum, false ) } } );
}
}
}
return addTitleAndProtection( title, objectTypeCases );
};
std::string objectTypeCases;
for ( auto const & feature : m_features )
{
objectTypeCases += generateObjectTypeCases( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
objectTypeCases += generateObjectTypeCases( extension.requireData, extension.name );
}
return replaceWithMap( objectTypeToDebugReportObjectTypeTemplate, { { "objectTypeCases", objectTypeCases } } );
}
std::pair<std::string, std::string> VulkanHppGenerator::generateProtection( std::string const & protect, bool defined ) const
{
auto const openProtect = defined ? "#if defined( " : "#if !defined( ";
return protect.empty() ? std::make_pair( "", "" ) : std::make_pair( openProtect + protect + " )\n", "#endif /*" + protect + "*/\n" );
}
std::string VulkanHppGenerator::generateRAIICommandDefinitions() const
{
const std::string commandDefinitionsTemplate = R"(
//===========================
//=== COMMAND Definitions ===
//===========================
${commandDefinitions}
)";
std::string commandDefinitions;
std::set<std::string> listedCommands; // some commands are listed with more than one extension!
for ( auto const & feature : m_features )
{
commandDefinitions += generateRAIICommandDefinitions( feature.requireData, listedCommands, feature.name );
}
for ( auto const & extension : m_extensions )
{
commandDefinitions += generateRAIICommandDefinitions( extension.requireData, listedCommands, extension.name );
}
return replaceWithMap( commandDefinitionsTemplate, { { "commandDefinitions", commandDefinitions } } );
}
std::string VulkanHppGenerator::generateRAIICommandDefinitions( std::vector<RequireData> const & requireData,
std::set<std::string> & listedCommands,
std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
if ( listedCommands.insert( command ).second )
{
str += generateRAIIHandleCommand( command, determineInitialSkipCount( command ), true );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateRAIIDispatchers() const
{
std::string contextInitializers, contextMembers, deviceAssignments, deviceMembers, instanceAssignments, instanceMembers;
std::set<std::string> listedCommands;
for ( auto const & feature : m_features )
{
appendRAIIDispatcherCommands( feature.requireData,
listedCommands,
feature.name,
contextInitializers,
contextMembers,
deviceAssignments,
deviceMembers,
instanceAssignments,
instanceMembers );
}
for ( auto const & extension : m_extensions )
{
appendRAIIDispatcherCommands( extension.requireData,
listedCommands,
extension.name,
contextInitializers,
contextMembers,
deviceAssignments,
deviceMembers,
instanceAssignments,
instanceMembers );
}
std::string contextDispatcherTemplate = R"(
class ContextDispatcher : public DispatchLoaderBase
{
public:
ContextDispatcher( PFN_vkGetInstanceProcAddr getProcAddr )
: vkGetInstanceProcAddr( getProcAddr )${contextInitializers}
{}
public:
PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = 0;
${contextMembers}
};
)";
std::string str = replaceWithMap( contextDispatcherTemplate, { { "contextInitializers", contextInitializers }, { "contextMembers", contextMembers } } );
std::string instanceDispatcherTemplate = R"(
class InstanceDispatcher : public DispatchLoaderBase
{
public:
InstanceDispatcher( PFN_vkGetInstanceProcAddr getProcAddr, VkInstance instance )
: vkGetInstanceProcAddr( getProcAddr )
{
${instanceAssignments}
vkGetDeviceProcAddr =
PFN_vkGetDeviceProcAddr( vkGetInstanceProcAddr( instance, "vkGetDeviceProcAddr" ) );
}
public:
${instanceMembers}
PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr = 0;
};
)";
str += replaceWithMap( instanceDispatcherTemplate, { { "instanceAssignments", instanceAssignments }, { "instanceMembers", instanceMembers } } );
std::string deviceDispatcherTemplate = R"(
class DeviceDispatcher : public DispatchLoaderBase
{
public:
DeviceDispatcher( PFN_vkGetDeviceProcAddr getProcAddr, VkDevice device ) : vkGetDeviceProcAddr( getProcAddr )
{
${deviceAssignments}
}
public:
${deviceMembers}
};
)";
str += replaceWithMap( deviceDispatcherTemplate, { { "deviceAssignments", deviceAssignments }, { "deviceMembers", deviceMembers } } );
return str;
}
std::string VulkanHppGenerator::generateRAIIFactoryReturnStatements( std::vector<ParamData> const & params,
std::vector<std::string> const & successCodes,
std::string const & vkType,
bool enumerating,
std::string const & returnType,
std::string const & returnVariable,
bool singular ) const
{
auto handleIt = m_handles.find( vkType );
assert( handleIt != m_handles.end() );
if ( returnType.starts_with( "std::vector" ) )
{
std::string const & returnTemplate = R"(${returnType} ${returnVariable}RAII;
${returnVariable}RAII.reserve( ${returnVariable}.size() );
for ( auto & ${element} : ${returnVariable} )
{
${returnVariable}RAII.emplace_back( *this, ${handleConstructorArguments}${successCodePassToElement} );
}
return ${returnVariable}RAII;
)";
std::string element = stripPluralS( returnVariable );
std::string handleConstructorArguments = generateRAIIHandleSingularConstructorArguments( *handleIt, params, true );
assert( !successCodes.empty() );
std::string successCodePassToElement = ( enumerating || ( successCodes.size() == 1 ) ) ? "" : ", result";
return replaceWithMap( returnTemplate,
{ { "element", element },
{ "handleConstructorArguments", handleConstructorArguments },
{ "successCodePassToElement", successCodePassToElement },
{ "returnType", returnType },
{ "returnVariable", returnVariable } } );
}
else
{
std::string const & returnTemplate = "return ${returnType}( *this, ${handleConstructorArguments} );";
std::string handleConstructorArguments = generateRAIIHandleSingularConstructorArguments( *handleIt, params, singular );
return replaceWithMap( returnTemplate, { { "returnType", returnType }, { "handleConstructorArguments", handleConstructorArguments } } );
}
}
std::string VulkanHppGenerator::generateRAIIHandle( std::pair<std::string, HandleData> const & handle,
std::set<std::string> & listedHandles,
std::set<std::string> const & specialFunctions ) const
{
std::string str;
if ( !listedHandles.contains( handle.first ) )
{
rescheduleRAIIHandle( str, handle, listedHandles, specialFunctions );
auto [enter, leave] = generateProtection( getProtectFromType( handle.first ) );
std::string handleType = stripPrefix( handle.first, "Vk" );
std::string handleName = generateRAIIHandleConstructorParamName( handle.first, handle.second.destructorIt );
auto [singularConstructors, arrayConstructors] = generateRAIIHandleConstructors( handle );
auto [clearMembers, getConstructorSuccessCode, memberVariables, moveConstructorInitializerList, moveAssignmentInstructions, swapMembers, releaseMembers] =
generateRAIIHandleDetails( handle );
std::string declarations = generateRAIIHandleCommandDeclarations( handle, specialFunctions );
assert( !handle.second.objTypeEnum.empty() );
auto enumIt = m_enums.find( "VkObjectType" );
assert( enumIt != m_enums.end() );
auto valueIt = std::find_if(
enumIt->second.values.begin(), enumIt->second.values.end(), [&handle]( EnumValueData const & evd ) { return evd.name == handle.second.objTypeEnum; } );
assert( valueIt != enumIt->second.values.end() );
std::string objTypeEnum = generateEnumValueName( enumIt->first, valueIt->name, false );
enumIt = m_enums.find( "VkDebugReportObjectTypeEXT" );
assert( enumIt != m_enums.end() );
std::string valueName = handle.second.objTypeEnum;
valueName = valueName.replace( 3, 0, "DEBUG_REPORT_" ) + "_EXT";
valueIt =
std::find_if( enumIt->second.values.begin(), enumIt->second.values.end(), [&valueName]( EnumValueData const & evd ) { return valueName == evd.name; } );
std::string debugReportObjectType = ( valueIt != enumIt->second.values.end() ) ? generateEnumValueName( enumIt->first, valueIt->name, false ) : "eUnknown";
std::string dispatcherType = ( ( handle.first == "VkDevice" ) || ( handle.second.constructorIts.front()->second.params.front().type.type == "VkDevice" ) )
? "VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::DeviceDispatcher"
: "VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::InstanceDispatcher";
std::string getParent;
if ( ( handle.first != "VkInstance" ) && ( handle.first != "VkDevice" ) && ( handle.second.destructorIt != m_commands.end() ) )
{
assert( !handle.second.destructorIt->second.params.empty() );
std::string parentType = stripPrefix( handle.second.destructorIt->second.params.front().type.type, "Vk" );
getParent = " VULKAN_HPP_NAMESPACE::" + parentType + " get" + parentType + "() const\n";
getParent += " {\n";
getParent += " return m_" + handle.second.destructorIt->second.params.front().name + ";\n";
getParent += " }\n";
}
std::string assignmentOperator, copyConstructor;
if ( handle.second.destructorIt == m_commands.end() )
{
// allow copy constructor and assignment operator for classes without destructor
std::string const copyConstructorTemplate =
R"( ${handleType}( ${handleType} const & rhs ) : m_${handleName}( rhs.m_${handleName} ), m_dispatcher( rhs.m_dispatcher ) {})";
copyConstructor += replaceWithMap( copyConstructorTemplate, { { "handleName", handleName }, { "handleType", handleType } } );
std::string assignmentOperatorTemplate = R"( ${handleType} & operator=( ${handleType} const & rhs )
{
m_${handleName} = rhs.m_${handleName};
m_dispatcher = rhs.m_dispatcher;
return *this;
})";
assignmentOperator += replaceWithMap( assignmentOperatorTemplate, { { "handleName", handleName }, { "handleType", handleType } } );
}
else
{
std::string const copyConstructorTemplate = R"( ${handleType}( ${handleType} const & ) = delete;)";
copyConstructor += replaceWithMap( copyConstructorTemplate, { { "handleType", handleType } } );
std::string const assignmentOperatorTemplate = R"( ${handleType} & operator=( ${handleType} const & ) = delete;)";
assignmentOperator += replaceWithMap( assignmentOperatorTemplate, { { "handleType", handleType } } );
}
const std::string handleTemplate = R"(
${enter} class ${handleType}
{
public:
using CType = Vk${handleType};
using CppType = vk::${handleType};
static VULKAN_HPP_CONST_OR_CONSTEXPR VULKAN_HPP_NAMESPACE::ObjectType objectType = VULKAN_HPP_NAMESPACE::ObjectType::${objTypeEnum};
static VULKAN_HPP_CONST_OR_CONSTEXPR VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT debugReportObjectType = VULKAN_HPP_NAMESPACE::DebugReportObjectTypeEXT::${debugReportObjectType};
public:
${singularConstructors}
${handleType}( std::nullptr_t ) {}
~${handleType}()
{
clear();
}
${handleType}() = delete;
${copyConstructor}
${handleType}( ${handleType} && rhs ) VULKAN_HPP_NOEXCEPT
: ${moveConstructorInitializerList}
{}
${assignmentOperator}
${handleType} & operator=( ${handleType} && rhs ) VULKAN_HPP_NOEXCEPT
{
if ( this != &rhs )
{
${moveAssignmentInstructions}
}
return *this;
}
VULKAN_HPP_NAMESPACE::${handleType} const & operator*() const VULKAN_HPP_NOEXCEPT
{
return m_${handleName};
}
void clear() VULKAN_HPP_NOEXCEPT
{
${clearMembers}
}
VULKAN_HPP_NAMESPACE::${handleType} release()
{
${releaseMembers}
}
${getConstructorSuccessCode}
${getParent}
${dispatcherType} const * getDispatcher() const
{
VULKAN_HPP_ASSERT( m_dispatcher->getVkHeaderVersion() == VK_HEADER_VERSION );
return ${getDispatcherReturn}m_dispatcher;
}
void swap( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::${handleType} & rhs ) VULKAN_HPP_NOEXCEPT
{
${swapMembers}
}
${memberFunctionsDeclarations}
private:
${memberVariables}
};
${leave})";
str += replaceWithMap( handleTemplate,
{ { "assignmentOperator", assignmentOperator },
{ "clearMembers", clearMembers },
{ "copyConstructor", copyConstructor },
{ "debugReportObjectType", debugReportObjectType },
{ "dispatcherType", dispatcherType },
{ "enter", enter },
{ "getConstructorSuccessCode", getConstructorSuccessCode },
{ "getDispatcherReturn", ( handleType == "Device" ) || ( handleType == "Instance" ) ? "&*" : "" },
{ "getParent", getParent },
{ "handleName", handleName },
{ "handleType", handleType },
{ "leave", leave },
{ "memberFunctionsDeclarations", declarations },
{ "memberVariables", memberVariables },
{ "moveAssignmentInstructions", moveAssignmentInstructions },
{ "moveConstructorInitializerList", moveConstructorInitializerList },
{ "objTypeEnum", objTypeEnum },
{ "releaseMembers", releaseMembers },
{ "singularConstructors", singularConstructors },
{ "swapMembers", swapMembers } } );
if ( !arrayConstructors.empty() )
{
// it's a handle class with a friendly handles class
const std::string handlesTemplate = R"(
${enter} class ${handleType}s : public std::vector<VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::${handleType}>
{
public:
${arrayConstructors}
${handleType}s( std::nullptr_t ) {}
${handleType}s() = delete;
${handleType}s( ${handleType}s const & ) = delete;
${handleType}s( ${handleType}s && rhs ) = default;
${handleType}s & operator=( ${handleType}s const & ) = delete;
${handleType}s & operator=( ${handleType}s && rhs ) = default;
private:
${handleType}s( std::vector<VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::${handleType}> && rhs )
{
std::swap( *this, rhs );
}
};
${leave}
)";
str +=
replaceWithMap( handlesTemplate, { { "arrayConstructors", arrayConstructors }, { "enter", enter }, { "handleType", handleType }, { "leave", leave } } );
}
}
return str;
}
std::string VulkanHppGenerator::generateRAIIHandleCommand( std::string const & command, size_t initialSkipCount, bool definition ) const
{
std::string str;
if ( !m_RAIISpecialFunctions.contains( command ) )
{
str = generateCommand( command, getCommandData( command ), initialSkipCount, definition, true );
}
return str;
}
std::string VulkanHppGenerator::generateRAIIHandleCommandDeclarations( std::pair<std::string, HandleData> const & handle,
std::set<std::string> const & specialFunctions ) const
{
std::string functionDeclarations;
std::set<std::string> listedCommands; // some commands are listed with more than one extension !
for ( auto const & feature : m_features )
{
std::vector<std::string> firstLevelCommands, secondLevelCommands;
for ( auto const & require : feature.requireData )
{
for ( auto const & command : require.commands )
{
if ( !specialFunctions.contains( command ) )
{
if ( handle.second.commands.contains( command ) )
{
assert( !listedCommands.contains( command ) );
listedCommands.insert( command );
firstLevelCommands.push_back( command );
}
else if ( handle.second.secondLevelCommands.contains( command ) )
{
assert( !listedCommands.contains( command ) );
listedCommands.insert( command );
assert( !handle.first.empty() );
secondLevelCommands.push_back( command );
}
}
}
}
if ( !firstLevelCommands.empty() || !secondLevelCommands.empty() )
{
functionDeclarations += "\n //=== " + feature.name + " ===\n";
for ( auto const & command : firstLevelCommands )
{
functionDeclarations += generateRAIIHandleCommand( command, handle.first.empty() ? 0 : 1, false );
}
for ( auto const & command : secondLevelCommands )
{
assert( !handle.first.empty() );
functionDeclarations += generateRAIIHandleCommand( command, 2, false );
}
}
}
for ( auto const & extension : m_extensions )
{
std::vector<std::string> firstLevelCommands, secondLevelCommands;
for ( auto & req : extension.requireData )
{
for ( auto const & command : req.commands )
{
if ( !specialFunctions.contains( command ) && !listedCommands.contains( command ) )
{
if ( handle.second.commands.contains( command ) )
{
listedCommands.insert( command );
firstLevelCommands.push_back( command );
}
else if ( handle.second.secondLevelCommands.contains( command ) )
{
listedCommands.insert( command );
secondLevelCommands.push_back( command );
}
}
}
}
if ( !firstLevelCommands.empty() || !secondLevelCommands.empty() )
{
std::string handleProtect = getProtectFromType( handle.first );
std::string titleProtect = getProtectFromTitle( extension.name );
std::string enter, leave;
if ( !titleProtect.empty() && ( titleProtect != handleProtect ) )
{
std::tie( enter, leave ) = generateProtection( titleProtect );
}
functionDeclarations += "\n" + enter + " //=== " + extension.name + " ===\n";
for ( auto const & command : firstLevelCommands )
{
functionDeclarations += generateRAIIHandleCommand( command, handle.first.empty() ? 0 : 1, false );
}
for ( auto const & command : secondLevelCommands )
{
assert( !handle.first.empty() );
functionDeclarations += generateRAIIHandleCommand( command, 2, false );
}
functionDeclarations += leave;
}
}
return functionDeclarations;
}
std::string VulkanHppGenerator::generateRAIIHandleCommandEnhanced( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
bool definition,
CommandFlavourFlags flavourFlags ) const
{
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
std::set<size_t> skippedParams = determineSkippedParams( commandData.params, initialSkipCount, vectorParams, returnParams, singular );
std::set<size_t> singularParams = singular ? determineSingularParams( returnParams[0], vectorParams ) : std::set<size_t>();
std::set<size_t> templatedParams =
( flavourFlags & CommandFlavourFlagBits::keepVoidPtr ) ? std::set<size_t>() : determineVoidPointerParams( commandData.params );
std::vector<size_t> chainedReturnParams =
( flavourFlags & CommandFlavourFlagBits::chained ) ? determineChainedReturnParams( commandData.params, returnParams ) : std::vector<size_t>();
assert( chainedReturnParams.size() <= 1 );
bool enumerating = determineEnumeration( vectorParams, returnParams );
std::vector<std::string> dataTypes = determineDataTypes( commandData.params, vectorParams, returnParams, templatedParams );
std::string dataType = combineDataTypes( vectorParams, returnParams, enumerating, dataTypes, flavourFlags, true );
std::string argumentTemplates = generateArgumentTemplates( commandData.params, returnParams, vectorParams, templatedParams, chainedReturnParams, true );
std::string argumentList = generateArgumentListEnhanced(
commandData.params, returnParams, vectorParams, skippedParams, singularParams, templatedParams, chainedReturnParams, definition, flavourFlags, false );
std::string commandName = generateCommandName( name, commandData.params, initialSkipCount, flavourFlags );
std::string nodiscard = generateNoDiscard(
!returnParams.empty() || ( ( commandData.returnType != "VkResult" ) && ( commandData.returnType != "void" ) ), 1 < commandData.successCodes.size(), false );
std::pair<bool, std::map<size_t, std::vector<size_t>>> vectorSizeCheck =
needsVectorSizeCheck( commandData.params, vectorParams, returnParams, singularParams, skippedParams );
std::string noexceptString = generateNoExcept( commandData.errorCodes, returnParams, vectorParams, flavourFlags, vectorSizeCheck.first, true );
std::string returnType = generateReturnType( returnParams, vectorParams, flavourFlags, true, dataTypes );
std::string decoratedReturnType = generateDecoratedReturnType( commandData, returnParams, vectorParams, flavourFlags, true, returnType );
if ( definition )
{
std::string const definitionTemplate =
R"(
${argumentTemplates}
${nodiscard} VULKAN_HPP_INLINE ${returnType} ${className}::${commandName}( ${argumentList} ) const ${noexcept}
{
${functionPointerCheck}
${vectorSizeCheck}
${dataSizeChecks}
${dataDeclarations}
${callSequence}
${resultCheck}
${dataPreparation}
${returnStatement}
}
)";
std::string callSequence = generateCallSequence(
name, commandData, returnParams, vectorParams, initialSkipCount, singularParams, templatedParams, chainedReturnParams, flavourFlags, true, false );
std::string className = initialSkipCount ? stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" ) : "Context";
std::string returnVariable = generateReturnVariable( commandData, returnParams, vectorParams, flavourFlags );
std::string dataDeclarations =
generateDataDeclarations( commandData, returnParams, vectorParams, templatedParams, flavourFlags, true, dataTypes, dataType, returnType, returnVariable );
std::string dataPreparation =
generateDataPreparation( commandData, initialSkipCount, returnParams, vectorParams, templatedParams, flavourFlags, enumerating );
std::string dataSizeChecks = generateDataSizeChecks( commandData, returnParams, dataTypes, vectorParams, templatedParams, singular );
std::string resultCheck = generateResultCheck( commandData, className, "::", commandName, enumerating );
std::string returnStatement = generateReturnStatement( name,
commandData,
returnVariable,
returnType,
decoratedReturnType,
dataType,
initialSkipCount,
returnParams.empty() ? INVALID_INDEX : returnParams[0],
flavourFlags,
enumerating,
true );
std::string vectorSizeCheckString =
vectorSizeCheck.first ? generateVectorSizeCheck( name, commandData, initialSkipCount, vectorSizeCheck.second, skippedParams, false ) : "";
return replaceWithMap( definitionTemplate,
{ { "argumentList", argumentList },
{ "argumentTemplates", argumentTemplates },
{ "callSequence", callSequence },
{ "className", className },
{ "commandName", commandName },
{ "dataDeclarations", dataDeclarations },
{ "dataPreparation", dataPreparation },
{ "dataSizeChecks", dataSizeChecks },
{ "functionPointerCheck", generateFunctionPointerCheck( name, commandData.requiredBy ) },
{ "nodiscard", nodiscard },
{ "noexcept", noexceptString },
{ "resultCheck", resultCheck },
{ "returnStatement", returnStatement },
{ "returnType", decoratedReturnType },
{ "vectorSizeCheck", vectorSizeCheckString } } );
}
else
{
std::string const declarationTemplate =
R"(
${argumentTemplates}
${nodiscard} ${returnType} ${commandName}( ${argumentList} ) const ${noexcept};
)";
return replaceWithMap( declarationTemplate,
{ { "argumentList", argumentList },
{ "argumentTemplates", argumentTemplates },
{ "commandName", commandName },
{ "nodiscard", nodiscard },
{ "noexcept", noexceptString },
{ "returnType", decoratedReturnType } } );
}
}
std::string VulkanHppGenerator::generateRAIIHandleCommandFactory( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
bool definition,
CommandFlavourFlags flavourFlags ) const
{
assert( isHandleType( commandData.params[returnParams.back()].type.type ) );
assert( ( returnParams.size() == 1 ) ||
( ( returnParams.size() == 2 ) && ( vectorParams.size() == 1 ) && ( returnParams[0] == vectorParams.begin()->second.lenParam ) &&
( returnParams[1] == vectorParams.begin()->first ) ) );
assert( determineVoidPointerParams( commandData.params ).empty() );
bool enumerating = determineEnumeration( vectorParams, returnParams );
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
std::set<size_t> skippedParams = determineSkippedParams( commandData.params, initialSkipCount, vectorParams, returnParams, singular );
std::set<size_t> singularParams = singular ? determineSingularParams( returnParams.back(), vectorParams ) : std::set<size_t>();
std::string argumentList = generateRAIIHandleCommandFactoryArgumentList( commandData.params, skippedParams, definition, singular );
std::string commandName = generateCommandName( name, commandData.params, initialSkipCount, flavourFlags );
std::string handleType = stripPostfix( commandData.params[returnParams.back()].type.compose( "VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE" ), " *" );
std::string noexceptString = enumerating ? "" : "VULKAN_HPP_RAII_CREATE_NOEXCEPT";
std::string returnType = handleType;
if ( vectorParams.contains( returnParams.back() ) && !singular )
{
noexceptString = "";
returnType = "std::vector<" + handleType + ">";
handleType += "s";
}
if ( definition )
{
std::string callSequence =
generateCallSequence( name, commandData, returnParams, vectorParams, initialSkipCount, singularParams, {}, {}, flavourFlags, true, true );
std::string className = initialSkipCount ? stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" ) : "Context";
std::vector<std::string> dataTypes = determineDataTypes( commandData.params, vectorParams, returnParams, {} );
std::string dataType = combineDataTypes( vectorParams, returnParams, enumerating, dataTypes, flavourFlags, true );
std::string returnVariable = generateReturnVariable( commandData, returnParams, vectorParams, flavourFlags );
std::string returnStatements = generateRAIIFactoryReturnStatements(
commandData.params, commandData.successCodes, commandData.params[returnParams.back()].type.type, enumerating, returnType, returnVariable, singular );
std::string dataDeclarations =
generateDataDeclarations( commandData, returnParams, vectorParams, {}, flavourFlags, true, dataTypes, dataType, returnType, returnVariable );
std::string vkType = commandData.params[returnParams.back()].type.type;
std::string resultCheck = generateResultCheckExpected( commandData.successCodes, className, commandName );
std::string const definitionTemplate =
R"(
VULKAN_HPP_NODISCARD VULKAN_HPP_INLINE VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::CreateReturnType<${returnType}>::Type ${className}::${commandName}( ${argumentList} ) const ${noexcept}
{
${dataDeclarations}
${callSequence}
${resultCheck}
${returnStatements}
}
)";
return replaceWithMap( definitionTemplate,
{ { "argumentList", argumentList },
{ "callSequence", callSequence },
{ "className", className },
{ "commandName", commandName },
{ "dataDeclarations", dataDeclarations },
{ "noexcept", noexceptString },
{ "resultCheck", resultCheck },
{ "returnStatements", returnStatements },
{ "returnType", returnType } } );
}
else
{
std::string const declarationTemplate =
R"(
VULKAN_HPP_NODISCARD VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::CreateReturnType<${returnType}>::Type ${commandName}( ${argumentList} ) const ${noexcept};
)";
return replaceWithMap( declarationTemplate,
{ { "argumentList", argumentList }, { "commandName", commandName }, { "noexcept", noexceptString }, { "returnType", returnType } } );
}
}
std::string VulkanHppGenerator::generateRAIIHandleCommandFactoryArgumentList( std::vector<ParamData> const & params,
std::set<size_t> const & skippedParams,
bool definition,
bool singular ) const
{
std::string arguments;
bool encounteredArgument = false;
for ( size_t i = 0; i < params.size(); ++i )
{
if ( !skippedParams.contains( i ) )
{
if ( encounteredArgument )
{
arguments += ", ";
}
arguments += generateRAIIHandleConstructorArgument( params[i], definition, singular, false );
encounteredArgument = true;
}
}
return arguments;
}
std::pair<std::string, std::string>
VulkanHppGenerator::generateRAIIHandleConstructor( std::pair<std::string, HandleData> const & handle,
std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator constructorIt,
std::string const & enter,
std::string const & leave ) const
{
std::string singularConstructor, arrayConstructor;
if ( constructorIt->second.returnType == "VkResult" )
{
std::tie( singularConstructor, arrayConstructor ) = generateRAIIHandleConstructorResult( handle, constructorIt, enter, leave );
}
else if ( constructorIt->second.returnType == "void" )
{
std::tie( singularConstructor, arrayConstructor ) = generateRAIIHandleConstructorVoid( handle, constructorIt, enter, leave );
}
if ( singularConstructor.empty() && arrayConstructor.empty() )
{
throw std::runtime_error( "Never encountered a function like <" + constructorIt->first + "> !" );
}
return std::make_pair( singularConstructor, arrayConstructor );
}
std::pair<std::string, std::string>
VulkanHppGenerator::generateRAIIHandleConstructor1Return2Vector( std::pair<std::string, HandleData> const & handle,
std::map<std::string, CommandData>::const_iterator constructorIt,
std::string const & enter,
std::string const & leave,
size_t returnParam,
std::map<size_t, VectorParamData> const & vectorParams ) const
{
if ( returnParam == std::next( vectorParams.begin() )->first )
{
if ( vectorParams.begin()->second.lenParam == std::next( vectorParams.begin() )->second.lenParam )
{
if ( constructorIt->second.params[vectorParams.begin()->second.lenParam].type.type == "uint32_t" )
{
if ( ( constructorIt->second.params[vectorParams.begin()->first].type.type != "void" ) &&
!isHandleType( constructorIt->second.params[vectorParams.begin()->first].type.type ) )
{
std::string singularConstructor;
auto lenParamIt = constructorIt->second.params.begin() + vectorParams.begin()->second.lenParam;
if ( !checkEquivalentSingularConstructor( handle.second.constructorIts, constructorIt, lenParamIt ) )
{
singularConstructor = generateRAIIHandleConstructorByCall( handle, constructorIt, enter, leave, true, true );
}
return std::make_pair( singularConstructor, generateRAIIHandleConstructorByCall( handle, constructorIt, enter, leave, true, false ) );
}
}
}
}
return std::make_pair( "", "" );
}
std::pair<std::string, std::string> VulkanHppGenerator::generateRAIIHandleConstructors( std::pair<std::string, HandleData> const & handle ) const
{
auto [enter, leave] = generateProtection( getProtectFromType( handle.first ) );
std::string singularConstructors, arrayConstructors;
for ( auto constructorIt : handle.second.constructorIts )
{
// there is a non-const parameter with handle type : the to-be-constructed handle
// check for additional enter/leave guards for the constructors
auto [constructorEnter, constructorLeave] = generateProtection( getProtectFromTitles( constructorIt->second.requiredBy ) );
if ( constructorEnter == enter )
{
constructorEnter.clear();
constructorLeave.clear();
}
auto [singularConstructor, arrayConstructor] = generateRAIIHandleConstructor( handle, constructorIt, constructorEnter, constructorLeave );
arrayConstructors += arrayConstructor;
singularConstructors += singularConstructor;
}
singularConstructors += generateRAIIHandleConstructorTakeOwnership( handle );
return std::make_pair( singularConstructors, arrayConstructors );
}
std::string VulkanHppGenerator::generateRAIIHandleConstructorArgument( ParamData const & param, bool definition, bool singular, bool takesOwnership ) const
{
std::string argument;
if ( param.type.isConstPointer() )
{
assert( param.type.type.starts_with( "Vk" ) );
assert( param.name.starts_with( "p" ) );
std::string argumentName = startLowerCase( stripPrefix( param.name, "p" ) );
std::string argumentType = generateNamespacedType( param.type.type );
if ( param.optional )
{
assert( param.lenExpression.empty() );
argument = "VULKAN_HPP_NAMESPACE::Optional<const " + argumentType + "> " + argumentName + ( definition ? "" : " = nullptr" );
}
else if ( param.lenExpression.empty() )
{
argument = argumentType + " const & " + argumentName;
}
else if ( singular )
{
argument = argumentType + " const & " + stripPluralS( argumentName );
}
else
{
argument = "VULKAN_HPP_NAMESPACE::ArrayProxy<" + argumentType + "> const & " + argumentName;
}
}
else if ( specialPointerTypes.contains( param.type.type ) )
{
assert( !param.optional );
assert( param.type.isNonConstPointer() );
argument = param.type.type + " & " + param.name;
}
else if ( ( param.type.isValue() ) && isHandleType( param.type.type ) )
{
if ( takesOwnership )
{
assert( !param.optional );
argument = param.type.type + " " + param.name;
}
else
{
argument = "VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::" + stripPrefix( param.type.type, "Vk" );
if ( param.optional )
{
argument = "VULKAN_HPP_NAMESPACE::Optional<const " + argument + ">";
}
argument += " const & " + param.name;
}
}
else
{
assert( !param.optional );
if ( param.arraySizes.empty() )
{
argument = param.type.compose( "VULKAN_HPP_NAMESPACE" ) + " ";
}
else
{
argument = generateStandardArray( param.type.compose( "VULKAN_HPP_NAMESPACE" ), param.arraySizes ) + " const & ";
}
argument += param.name;
}
return argument;
}
std::string VulkanHppGenerator::generateRAIIHandleConstructorArguments( std::pair<std::string, HandleData> const & handle,
std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator constructorIt,
bool singular,
bool takesOwnership ) const
{
auto [parentType, parentName] = getParentTypeAndName( handle );
std::string arguments = "VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::" + parentType + " const & " + parentName;
if ( takesOwnership )
{
arguments += ", " + handle.first + " " + generateRAIIHandleConstructorParamName( handle.first, handle.second.destructorIt );
}
if ( constructorIt != m_commands.end() )
{
parentType = "Vk" + parentType;
bool skip = skipLeadingGrandParent( handle );
for ( size_t i = skip ? 1 : 0; i < constructorIt->second.params.size(); i++ )
{
ParamData const & param = constructorIt->second.params[i];
// filter parent and handle type
if ( ( param.type.type != parentType ) && ( param.type.type != handle.first ) )
{
// the specialPointerTypes are considered const-pointers!
if ( param.type.isNonConstPointer() && !specialPointerTypes.contains( param.type.type ) )
{
// this is supposed to be the returned size on an enumeration function!
#if !defined( NDEBUG )
assert( param.type.type == "uint32_t" );
auto typeIt = std::find_if( constructorIt->second.params.begin(),
constructorIt->second.params.end(),
[&handle]( ParamData const & pd ) { return pd.type.type == handle.first; } );
assert( typeIt != constructorIt->second.params.end() );
assert( typeIt->lenExpression == param.name );
#endif
continue;
}
else if ( std::any_of( constructorIt->second.params.begin(),
constructorIt->second.params.end(),
[&param]( ParamData const & pd ) { return pd.lenExpression == param.name; } ) )
{
// this is the len of an other parameter, which will be mapped to an ArrayProxy
assert( param.type.isValue() && ( param.type.type == "uint32_t" ) );
assert( param.arraySizes.empty() && param.lenExpression.empty() && !param.optional );
continue;
}
arguments += ", " + generateRAIIHandleConstructorArgument( param, false, singular, takesOwnership );
}
}
}
return arguments;
}
std::string
VulkanHppGenerator::generateRAIIHandleConstructorInitializationList( std::pair<std::string, HandleData> const & handle,
std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator constructorIt,
std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator destructorIt,
bool takesOwnership ) const
{
auto [parentType, parentName] = getParentTypeAndName( handle );
std::string handleName = generateRAIIHandleConstructorParamName( handle.first, destructorIt );
std::string initializationList;
if ( destructorIt != m_commands.end() )
{
for ( auto destructorParam : destructorIt->second.params )
{
if ( destructorParam.type.type == "Vk" + parentType )
{
initializationList += "m_" + parentName + "( *" + parentName + " ), ";
}
else if ( destructorParam.type.type == handle.first )
{
if ( takesOwnership )
{
initializationList += "m_" + handleName + "( " + handleName + " ), ";
}
}
else if ( destructorParam.type.type == "VkAllocationCallbacks" )
{
assert( destructorParam.type.isConstPointer() && destructorParam.arraySizes.empty() && destructorParam.lenExpression.empty() &&
destructorParam.optional );
initializationList += "m_allocator( static_cast<const VULKAN_HPP_NAMESPACE::AllocationCallbacks *>( allocator ) ), ";
}
else if ( isHandleType( destructorParam.type.type ) )
{
assert( destructorParam.type.isValue() && destructorParam.arraySizes.empty() && destructorParam.lenExpression.empty() && !destructorParam.optional );
initializationList += "m_" + destructorParam.name + "( ";
auto constructorParamIt = std::find_if( constructorIt->second.params.begin(),
constructorIt->second.params.end(),
[&destructorParam]( ParamData const & pd ) { return pd.type.type == destructorParam.type.type; } );
if ( constructorParamIt != constructorIt->second.params.end() )
{
assert( constructorParamIt->type.isValue() && constructorParamIt->arraySizes.empty() && constructorParamIt->lenExpression.empty() &&
!constructorParamIt->optional );
if ( constructorParamIt->type.type == "Vk" + parentType )
{
initializationList += "*";
}
initializationList += constructorParamIt->name;
}
else
{
#if !defined( NDEBUG )
bool found = false;
#endif
for ( auto constructorParam : constructorIt->second.params )
{
auto structureIt = m_structs.find( constructorParam.type.type );
if ( structureIt != m_structs.end() )
{
auto structureMemberIt = findStructMemberItByType( destructorParam.type.type, structureIt->second.members );
if ( structureMemberIt != structureIt->second.members.end() )
{
assert( constructorParam.type.isConstPointer() && constructorParam.arraySizes.empty() && constructorParam.lenExpression.empty() &&
!constructorParam.optional );
initializationList += startLowerCase( stripPrefix( constructorParam.name, "p" ) ) + "." + structureMemberIt->name;
#if !defined( NDEBUG )
found = true;
#endif
break;
}
}
}
assert( found );
}
initializationList += " ), ";
}
else
{
// we can ignore all other parameters here !
}
}
}
else
{
if ( !handle.second.secondLevelCommands.empty() )
{
assert( !handle.second.constructorIts.empty() );
#if !defined( NDEBUG )
auto constructorCommandIt = m_commands.find( handle.second.constructorIts.front()->first );
#endif
assert( ( constructorCommandIt != m_commands.end() ) && ( 1 < constructorCommandIt->second.params.size() ) );
assert( std::next( constructorCommandIt->second.params.begin() )->type.type == "Vk" + parentType );
auto commandIt = m_commands.find( *handle.second.secondLevelCommands.begin() );
assert( ( commandIt != m_commands.end() ) && ( 1 < commandIt->second.params.size() ) );
assert( commandIt->second.params.front().type.type == constructorCommandIt->second.params.front().type.type );
assert( std::next( commandIt->second.params.begin() )->type.type == handle.first );
std::string grandParentType = stripPrefix( commandIt->second.params.front().type.type, "Vk" );
initializationList += "m_" + startLowerCase( grandParentType ) + "( " + parentName + ".get" + grandParentType + "() ), ";
}
if ( takesOwnership )
{
initializationList += "m_" + handleName + "( " + handleName + " ), ";
}
}
return initializationList.empty() ? initializationList : initializationList.substr( 0, initializationList.size() - 2 );
}
std::string VulkanHppGenerator::generateRAIIHandleConstructorParamName( std::string const & type,
std::map<std::string, CommandData>::const_iterator destructorIt ) const
{
if ( destructorIt != m_commands.end() )
{
auto destructorParamIt = std::find_if( destructorIt->second.params.begin(),
destructorIt->second.params.end(),
[&type]( ParamData const & destructorParam ) { return destructorParam.type.type == type; } );
if ( destructorParamIt != destructorIt->second.params.end() )
{
assert( std::none_of( std::next( destructorParamIt ),
destructorIt->second.params.end(),
[&type]( ParamData const & destructorParam ) { return destructorParam.type.type == type; } ) );
if ( !destructorParamIt->type.isValue() )
{
return startLowerCase( stripPrefix( stripPluralS( destructorParamIt->name ), "p" ) );
}
else
{
return destructorParamIt->name;
}
}
}
return startLowerCase( stripPrefix( type, "Vk" ) );
}
std::pair<std::string, std::string> VulkanHppGenerator::generateRAIIHandleConstructorResult( std::pair<std::string, HandleData> const & handle,
std::map<std::string, CommandData>::const_iterator constructorIt,
std::string const & enter,
std::string const & leave ) const
{
assert( !constructorIt->second.successCodes.empty() );
assert( constructorIt->second.successCodes[0] == "VK_SUCCESS" );
switch ( constructorIt->second.successCodes.size() )
{
case 1:
if ( !constructorIt->second.errorCodes.empty() )
{
std::vector<size_t> returnParams = determineReturnParams( constructorIt->second.params );
if ( returnParams.size() == 1 )
{
assert( isHandleType( constructorIt->second.params[returnParams[0]].type.type ) );
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( constructorIt->second.params );
switch ( vectorParams.size() )
{
case 0: return std::make_pair( generateRAIIHandleConstructorByCall( handle, constructorIt, enter, leave, false, false ), "" );
case 1:
if ( returnParams[0] == vectorParams.begin()->first )
{
if ( isLenByStructMember( constructorIt->second.params[vectorParams.begin()->first].lenExpression,
constructorIt->second.params[vectorParams.begin()->second.lenParam] ) )
{
return std::make_pair( "", generateRAIIHandleConstructorByCall( handle, constructorIt, enter, leave, true, false ) );
}
}
break;
case 2: return generateRAIIHandleConstructor1Return2Vector( handle, constructorIt, enter, leave, returnParams[0], vectorParams );
}
}
}
break;
case 2:
if ( !constructorIt->second.errorCodes.empty() )
{
std::vector<size_t> returnParams = determineReturnParams( constructorIt->second.params );
switch ( returnParams.size() )
{
case 1:
assert( isHandleType( constructorIt->second.params[returnParams[0]].type.type ) );
{
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( constructorIt->second.params );
if ( vectorParams.size() == 2 )
{
return generateRAIIHandleConstructor1Return2Vector( handle, constructorIt, enter, leave, returnParams[0], vectorParams );
}
}
break;
case 2:
if ( constructorIt->second.params[returnParams[0]].type.type == "uint32_t" )
{
assert( isHandleType( constructorIt->second.params[returnParams[1]].type.type ) );
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( constructorIt->second.params );
if ( vectorParams.size() == 1 )
{
if ( returnParams[0] == vectorParams.begin()->second.lenParam )
{
assert( returnParams[1] == vectorParams.begin()->first );
assert( constructorIt->second.successCodes[1] == "VK_INCOMPLETE" );
return std::make_pair( "", generateRAIIHandleConstructorByCall( handle, constructorIt, enter, leave, true, false ) );
}
}
}
break;
}
}
break;
case 4:
if ( !constructorIt->second.errorCodes.empty() )
{
std::vector<size_t> returnParams = determineReturnParams( constructorIt->second.params );
if ( returnParams.size() == 1 )
{
assert( isHandleType( constructorIt->second.params[returnParams[0]].type.type ) );
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( constructorIt->second.params );
if ( vectorParams.size() == 2 )
{
return generateRAIIHandleConstructor1Return2Vector( handle, constructorIt, enter, leave, returnParams[0], vectorParams );
}
}
}
break;
}
return std::make_pair( "", "" );
}
std::string VulkanHppGenerator::generateRAIIHandleConstructorByCall( std::pair<std::string, HandleData> const & handle,
std::map<std::string, VulkanHppGenerator::CommandData>::const_iterator constructorIt,
std::string const & enter,
std::string const & leave,
bool isPlural,
bool forceSingular ) const
{
auto [parentType, parentName] = getParentTypeAndName( handle );
size_t skipCount = 0;
if ( constructorIt->second.handle == constructorIt->second.params[skipCount].type.type )
{
++skipCount;
}
if ( handle.second.parent == constructorIt->second.params[skipCount].type.type )
{
++skipCount;
}
std::string constructorArguments = generateRAIIHandleConstructorArguments( handle, constructorIt, forceSingular, false );
std::string createCall = generateCommandName(
constructorIt->first, constructorIt->second.params, skipCount, forceSingular ? CommandFlavourFlagBits::singular : CommandFlavourFlagBits() );
std::string createArguments;
for ( size_t i = skipCount; i < constructorIt->second.params.size() - 1; ++i )
{
if ( constructorIt->second.params[i].type.isValue() || specialPointerTypes.contains( constructorIt->second.params[i].type.type ) )
{
createArguments += constructorIt->second.params[i].name + ", ";
}
else if ( constructorIt->second.params[i].type.isConstPointer() )
{
assert( constructorIt->second.params[i].lenParams.empty() || isPlural );
if ( !constructorIt->second.params[i].lenParams.empty() )
{
assert( constructorIt->second.params[i].lenParams.size() == 1 );
std::string::size_type start = createArguments.find( constructorIt->second.params[i].lenParams[0].first );
assert( start != std::string::npos );
// remove the size/count argument, and its trailing ", "
createArguments.replace( start, constructorIt->second.params[i].lenParams[0].first.length() + 2, "" );
}
std::string argument = startLowerCase( stripPrefix( constructorIt->second.params[i].name, "p" ) );
if ( isPlural && forceSingular )
{
argument = stripPluralS( argument );
}
createArguments += argument + ", ";
}
else
{
// this is the count argument (by pointer) for an enumeration function -> skip it
}
}
if ( !createArguments.empty() )
{
createArguments = stripPostfix( createArguments, ", " );
}
assert( constructorIt->second.params.back().type.type == handle.first );
const std::string constructorTemplate =
R"(
#if !defined( VULKAN_HPP_RAII_NO_EXCEPTIONS )
${enter} ${handleType}${plural}( ${constructorArguments} )
{
*this = ${parentName}.${createCall}( ${createArguments} );
}
${leave}#endif
)";
return replaceWithMap( constructorTemplate,
{ { "constructorArguments", constructorArguments },
{ "createArguments", createArguments },
{ "createCall", createCall },
{ "enter", enter },
{ "leave", leave },
{ "handleType", stripPrefix( handle.first, "Vk" ) },
{ "plural", isPlural && !forceSingular ? "s" : "" },
{ "parentName", parentName } } );
}
std::string VulkanHppGenerator::generateRAIIHandleConstructorTakeOwnership( std::pair<std::string, HandleData> const & handle ) const
{
std::string handleType = stripPrefix( handle.first, "Vk" );
std::string handleName = startLowerCase( handleType );
auto [parentType, parentName] = getParentTypeAndName( handle );
std::string constructorArguments = generateRAIIHandleConstructorArguments( handle, handle.second.destructorIt, false, true );
std::string initializationList = generateRAIIHandleConstructorInitializationList( handle, handle.second.destructorIt, handle.second.destructorIt, true );
assert( !handle.second.constructorIts.empty() );
if ( 1 < handle.second.constructorIts[0]->second.successCodes.size() && ( handle.second.constructorIts[0]->second.successCodes[1] != "VK_INCOMPLETE" ) )
{
#if !defined( NDEBUG )
for ( size_t i = 1; i < handle.second.constructorIts.size(); ++i )
{
assert( 1 < handle.second.constructorIts[i]->second.successCodes.size() );
}
#endif
constructorArguments += ", VULKAN_HPP_NAMESPACE::Result successCode = VULKAN_HPP_NAMESPACE::Result::eSuccess";
if ( isMultiSuccessCodeConstructor( handle.second.constructorIts ) )
{
initializationList += ", m_constructorSuccessCode( successCode )";
}
}
std::string dispatcherInitializer;
if ( ( handle.first != "VkInstance" ) && ( handle.first != "VkDevice" ) )
{
dispatcherInitializer = "m_dispatcher( " + parentName + ".getDispatcher() )";
}
if ( !initializationList.empty() && !dispatcherInitializer.empty() )
{
initializationList += ", ";
}
std::string dispatcherInit;
if ( ( handle.first == "VkDevice" ) || ( handle.first == "VkInstance" ) )
{
dispatcherInit = "\n m_dispatcher.reset( new VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::" + handleType + "Dispatcher( " + parentName +
".getDispatcher()->vkGet" + handleType + "ProcAddr, static_cast<" + handle.first + ">( m_" + startLowerCase( handleType ) + " ) ) );";
}
const std::string constructorTemplate =
R"(
${handleType}( ${constructorArguments} )
: ${initializationList}${dispatcherInitializer}
{${dispatcherInit}}
)";
return replaceWithMap( constructorTemplate,
{ { "constructorArguments", constructorArguments },
{ "dispatcherInitializer", dispatcherInitializer },
{ "dispatcherInit", dispatcherInit },
{ "handleType", handleType },
{ "initializationList", initializationList } } );
}
std::pair<std::string, std::string> VulkanHppGenerator::generateRAIIHandleConstructorVoid( std::pair<std::string, HandleData> const & handle,
std::map<std::string, CommandData>::const_iterator constructorIt,
std::string const & enter,
std::string const & leave ) const
{
assert( constructorIt->second.successCodes.empty() && constructorIt->second.errorCodes.empty() );
std::vector<size_t> returnParams = determineReturnParams( constructorIt->second.params );
if ( returnParams.size() == 1 )
{
assert( isHandleType( constructorIt->second.params[returnParams[0]].type.type ) );
std::map<size_t, VectorParamData> vectorParams = determineVectorParams( constructorIt->second.params );
if ( vectorParams.empty() )
{
return std::make_pair( generateRAIIHandleConstructorByCall( handle, constructorIt, enter, leave, false, false ), "" );
}
}
return std::make_pair( "", "" );
}
std::string VulkanHppGenerator::generateRAIIHandleContext( std::pair<std::string, HandleData> const & handle,
std::set<std::string> const & specialFunctions ) const
{
const std::string contextTemplate = R"(
class Context
{
public:
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
Context()
: m_dispatcher( new VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::ContextDispatcher(
m_dynamicLoader.getProcAddress<PFN_vkGetInstanceProcAddr>( "vkGetInstanceProcAddr" ) ) )
#else
Context( PFN_vkGetInstanceProcAddr getInstanceProcAddr )
: m_dispatcher( new VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::ContextDispatcher( getInstanceProcAddr ) )
#endif
{}
~Context() = default;
Context( Context const & ) = delete;
Context( Context && rhs ) VULKAN_HPP_NOEXCEPT
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
: m_dynamicLoader( std::move( rhs.m_dynamicLoader ) )
, m_dispatcher( rhs.m_dispatcher.release() )
#else
: m_dispatcher( rhs.m_dispatcher.release() )
#endif
{}
Context & operator=( Context const & ) = delete;
Context & operator=( Context && rhs ) VULKAN_HPP_NOEXCEPT
{
if ( this != &rhs )
{
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
m_dynamicLoader = std::move( rhs.m_dynamicLoader );
#endif
m_dispatcher.reset( rhs.m_dispatcher.release() );
}
return *this;
}
VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::ContextDispatcher const * getDispatcher() const
{
VULKAN_HPP_ASSERT( m_dispatcher->getVkHeaderVersion() == VK_HEADER_VERSION );
return &*m_dispatcher;
}
void swap( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::Context & rhs )
{
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
std::swap( m_dynamicLoader, rhs.m_dynamicLoader );
#endif
m_dispatcher.swap( rhs.m_dispatcher );
}
${memberFunctionDeclarations}
private:
#if VULKAN_HPP_ENABLE_DYNAMIC_LOADER_TOOL
VULKAN_HPP_NAMESPACE::DynamicLoader m_dynamicLoader;
#endif
std::unique_ptr<VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::ContextDispatcher> m_dispatcher;
};
)";
return replaceWithMap( contextTemplate, { { "memberFunctionDeclarations", generateRAIIHandleCommandDeclarations( handle, specialFunctions ) } } );
}
std::string VulkanHppGenerator::generateRAIIHandleDestructorCallArguments( std::string const & handleType,
std::map<std::string, CommandData>::const_iterator destructorIt ) const
{
std::string arguments;
bool encounteredArgument = false;
for ( auto param : destructorIt->second.params )
{
if ( encounteredArgument )
{
arguments += ", ";
}
if ( param.type.type == handleType )
{
std::string handleName = param.name;
if ( param.type.isValue() )
{
arguments += "static_cast<" + handleType + ">( m_" + handleName + " )";
}
else
{
arguments += "reinterpret_cast<" + handleType + " const *>( &m_" + stripPluralS( startLowerCase( stripPrefix( handleName, "p" ) ) ) + " )";
}
}
else if ( param.type.type == "VkAllocationCallbacks" )
{
// vk::AllocationCallbacks is stored as a member of the handle class
arguments += "reinterpret_cast<const VkAllocationCallbacks *>( m_allocator )";
}
else if ( isHandleType( param.type.type ) )
{
assert( param.arraySizes.empty() );
std::string argument = "m_" + param.name;
if ( param.type.isValue() )
{
arguments += "static_cast<" + param.type.type + ">( " + argument + " )";
}
else
{
assert( param.type.isConstPointer() );
assert( !param.lenExpression.empty() && std::any_of( destructorIt->second.params.begin(),
destructorIt->second.params.end(),
[&param]( ParamData const & pd ) { return pd.name == param.lenExpression; } ) );
arguments += "reinterpret_cast<" + param.type.type + " const *>( &" + argument + " )";
}
}
else
{
assert( ( param.type.type == "uint32_t" ) && param.type.isValue() && param.arraySizes.empty() && param.lenExpression.empty() && !param.optional );
assert( std::any_of(
destructorIt->second.params.begin(), destructorIt->second.params.end(), [&param]( ParamData const & pd ) { return pd.lenExpression == param.name; } ) );
arguments += "1";
}
encounteredArgument = true;
}
return arguments;
}
std::tuple<std::string, std::string, std::string, std::string, std::string, std::string, std::string>
VulkanHppGenerator::generateRAIIHandleDetails( std::pair<std::string, HandleData> const & handle ) const
{
std::string getConstructorSuccessCode;
bool multiSuccessCodeContructor = isMultiSuccessCodeConstructor( handle.second.constructorIts );
if ( multiSuccessCodeContructor )
{
getConstructorSuccessCode = R"(
VULKAN_HPP_NAMESPACE::Result getConstructorSuccessCode() const
{
return m_constructorSuccessCode;
}
)";
}
auto [parentType, parentName] = getParentTypeAndName( handle );
std::string handleName = generateRAIIHandleConstructorParamName( handle.first, handle.second.destructorIt );
std::string clearMembers, moveConstructorInitializerList, moveAssignmentInstructions, memberVariables, swapMembers, releaseMembers;
if ( handle.second.destructorIt != m_commands.end() )
{
clearMembers = " if ( m_" + handleName + " )\n";
clearMembers += " {\n";
clearMembers += " getDispatcher()->" + handle.second.destructorIt->first + "( " +
generateRAIIHandleDestructorCallArguments( handle.first, handle.second.destructorIt ) + " );\n";
clearMembers += " }";
for ( auto const & destructorParam : handle.second.destructorIt->second.params )
{
std::string memberName, memberType;
if ( destructorParam.type.type == "Vk" + parentType )
{
memberName = parentName;
memberType = "VULKAN_HPP_NAMESPACE::" + parentType;
}
else if ( destructorParam.type.type == handle.first )
{
memberName = handleName;
memberType = generateNamespacedType( handle.first );
}
else if ( std::none_of( handle.second.destructorIt->second.params.begin(),
handle.second.destructorIt->second.params.end(),
[&destructorParam]( ParamData const & pd ) { return pd.lenExpression == destructorParam.name; } ) )
{
std::string name = destructorParam.name;
if ( !destructorParam.type.isValue() )
{
name = startLowerCase( stripPrefix( name, "p" ) );
}
memberName = name;
memberType = destructorParam.type.compose( "VULKAN_HPP_NAMESPACE" );
}
if ( !memberName.empty() )
{
clearMembers += "\n m_" + memberName + " = nullptr;";
moveConstructorInitializerList += "m_" + memberName + "( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::exchange( rhs.m_" + memberName + ", {} ) ), ";
moveAssignmentInstructions += "\n std::swap( m_" + memberName + ", rhs.m_" + memberName + " );";
memberVariables += "\n " + memberType + " m_" + memberName + " = {};";
swapMembers += "\n std::swap( m_" + memberName + ", rhs.m_" + memberName + " );";
if ( destructorParam.type.type != handle.first )
{
releaseMembers += "\n m_" + memberName + " = nullptr;";
}
}
}
}
else
{
if ( !handle.second.secondLevelCommands.empty() )
{
assert( !handle.second.constructorIts.empty() );
assert( !handle.second.constructorIts.front()->second.params.empty() );
auto const & frontType = handle.second.constructorIts.front()->second.params.front().type.type;
assert( isHandleType( frontType ) );
#if !defined( NDEBUG )
auto handleIt = m_handles.find( "Vk" + parentType );
#endif
assert( handleIt != m_handles.end() );
assert( handleIt->second.parent == frontType );
std::string frontName = handle.second.constructorIts.front()->second.params.front().name;
clearMembers += "\n m_" + frontName + " = nullptr;";
moveConstructorInitializerList = "m_" + frontName + "( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::exchange( rhs.m_" + frontName + ", {} ) ), ";
moveAssignmentInstructions = "\n std::swap( m_" + frontName + ", rhs.m_" + frontName + " );";
memberVariables = "\n VULKAN_HPP_NAMESPACE::" + stripPrefix( frontType, "Vk" ) + " m_" + frontName + " = {};";
swapMembers = "\n std::swap( m_" + frontName + ", rhs.m_" + frontName + " );";
releaseMembers += "\n m_" + frontName + " = nullptr;";
}
clearMembers += "\n m_" + handleName + " = nullptr;";
moveConstructorInitializerList += "m_" + handleName + "( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::exchange( rhs.m_" + handleName + ", {} ) ), ";
moveAssignmentInstructions += "\n std::swap( m_" + handleName + ", rhs.m_" + handleName + " );";
memberVariables += "\n " + generateNamespacedType( handle.first ) + " m_" + handleName + " = {};";
swapMembers += "\n std::swap( m_" + handleName + ", rhs.m_" + handleName + " );";
}
if ( multiSuccessCodeContructor )
{
clearMembers += "\n m_constructorSuccessCode = VULKAN_HPP_NAMESPACE::Result::eErrorUnknown;";
memberVariables += "\n VULKAN_HPP_NAMESPACE::Result m_constructorSuccessCode = VULKAN_HPP_NAMESPACE::Result::eErrorUnknown;";
swapMembers += "\n std::swap( m_constructorSuccessCode, rhs.m_constructorSuccessCode );";
moveConstructorInitializerList +=
"m_constructorSuccessCode( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::exchange( rhs.m_constructorSuccessCode, {} ) ), ";
moveAssignmentInstructions += "\n std::swap( m_constructorSuccessCode, rhs.m_constructorSuccessCode );";
releaseMembers += "\n m_constructorSuccessCode = VULKAN_HPP_NAMESPACE::Result::eErrorUnknown;";
}
if ( handle.first == "VkInstance" )
{
memberVariables += "\n std::unique_ptr<VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::InstanceDispatcher> m_dispatcher;";
}
else if ( handle.first == "VkDevice" )
{
memberVariables += "\n std::unique_ptr<VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::DeviceDispatcher> m_dispatcher;";
}
else if ( handle.second.constructorIts.front()->second.params.front().type.type == "VkDevice" )
{
memberVariables += "\n VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::DeviceDispatcher const * m_dispatcher = nullptr;";
}
else
{
memberVariables += "\n VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::InstanceDispatcher const * m_dispatcher = nullptr;";
}
clearMembers += "\n m_dispatcher = nullptr;";
swapMembers += "\n std::swap( m_dispatcher, rhs.m_dispatcher );";
releaseMembers += "\n m_dispatcher = nullptr;";
releaseMembers += "\n return VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::exchange( m_" + handleName + ", nullptr );";
if ( ( handle.first == "VkInstance" ) || ( handle.first == "VkDevice" ) )
{
moveConstructorInitializerList += "m_dispatcher( rhs.m_dispatcher.release() )";
}
else
{
moveConstructorInitializerList += "m_dispatcher( VULKAN_HPP_NAMESPACE::VULKAN_HPP_RAII_NAMESPACE::exchange( rhs.m_dispatcher, nullptr ) )";
}
moveAssignmentInstructions += "\n std::swap( m_dispatcher, rhs.m_dispatcher );";
return std::make_tuple(
clearMembers, getConstructorSuccessCode, memberVariables, moveConstructorInitializerList, moveAssignmentInstructions, swapMembers, releaseMembers );
}
std::string VulkanHppGenerator::generateRAIIHandleForwardDeclarations( std::vector<RequireData> const & requireData, std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
str += " class " + stripPrefix( handleIt->first, "Vk" ) + ";\n";
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateRAIIHandles() const
{
const std::string raiiHandlesTemplate = R"(
//========================================
//=== RAII HANDLE forward declarations ===
//========================================
${forwardDeclarations}
//====================
//=== RAII HANDLES ===
//====================
${raiiHandles}
)";
std::string forwardDeclarations;
for ( auto const & feature : m_features )
{
forwardDeclarations += generateRAIIHandleForwardDeclarations( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
forwardDeclarations += generateRAIIHandleForwardDeclarations( extension.requireData, extension.name );
}
std::set<std::string> listedHandles;
auto handleIt = m_handles.begin();
assert( handleIt->first.empty() );
std::string raiiHandles = generateRAIIHandleContext( *handleIt, m_RAIISpecialFunctions );
for ( ++handleIt; handleIt != m_handles.end(); ++handleIt )
{
if ( isTypeUsed( handleIt->first ) )
{
raiiHandles += generateRAIIHandle( *handleIt, listedHandles, m_RAIISpecialFunctions );
}
}
return replaceWithMap( raiiHandlesTemplate, { { "forwardDeclarations", forwardDeclarations }, { "raiiHandles", raiiHandles } } );
}
std::string VulkanHppGenerator::generateRAIIHandleSingularConstructorArguments( std::pair<std::string, HandleData> const & handle,
std::vector<ParamData> const & params,
bool singular ) const
{
std::string arguments = startLowerCase( stripPrefix( params.back().name, "p" ) );
if ( singular )
{
arguments = stripPluralS( arguments );
}
assert( params.back().type.type.starts_with( "Vk" ) );
arguments = "*reinterpret_cast<" + params.back().type.type + " *>( &" + arguments + " )";
if ( handle.second.destructorIt != m_commands.end() )
{
auto [parentType, parentName] = getParentTypeAndName( handle );
parentType = "Vk" + parentType;
for ( auto const & destructorParam : handle.second.destructorIt->second.params )
{
if ( ( destructorParam.type.type != parentType ) && ( destructorParam.type.type != handle.first ) &&
std::none_of( handle.second.destructorIt->second.params.begin(),
handle.second.destructorIt->second.params.end(),
[&destructorParam]( ParamData const & pd ) { return pd.lenExpression == destructorParam.name; } ) )
{
if ( std::any_of( params.begin(), params.end(), [&destructorParam]( ParamData const & pd ) { return pd.type.type == destructorParam.type.type; } ) )
{
if ( isHandleType( destructorParam.type.type ) )
{
assert( destructorParam.type.isValue() );
arguments += ", static_cast<" + destructorParam.type.type + ">( *" + destructorParam.name + " )";
}
else
{
assert( destructorParam.type.type == "VkAllocationCallbacks" );
arguments += ", allocator";
}
}
else
{
#if !defined( NDEBUG )
bool found = false;
#endif
for ( auto const & param : params )
{
auto structureIt = m_structs.find( param.type.type );
if ( structureIt != m_structs.end() )
{
auto memberIt = findStructMemberItByType( destructorParam.type.type, structureIt->second.members );
if ( memberIt != structureIt->second.members.end() )
{
#if !defined( NDEBUG )
found = true;
#endif
assert( !param.type.isValue() );
std::string argument = startLowerCase( stripPrefix( param.name, "p" ) ) + "." + memberIt->name;
if ( isHandleType( memberIt->type.type ) )
{
argument = "static_cast<" + memberIt->type.type + ">( " + argument + " )";
}
arguments += ", " + argument;
break;
}
}
}
assert( found );
}
}
}
}
return arguments;
}
template <class Predicate, class Extraction>
std::string VulkanHppGenerator::generateReplacedExtensionsList( Predicate p, Extraction e ) const
{
std::string extensionsList, previousEnter, previousLeave;
for ( auto const & extension : m_extensions )
{
if ( p( extension ) )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( extension.name ) );
extensionsList +=
( ( previousEnter != enter ) ? ( "\n" + previousLeave + enter ) : "\n" ) + "{ \"" + extension.name + "\", \"" + e( extension ) + "\"}, ";
previousEnter = enter;
previousLeave = leave;
}
}
if ( !extensionsList.empty() )
{
assert( extensionsList.ends_with( ", " ) );
extensionsList = extensionsList.substr( 0, extensionsList.length() - 2 );
if ( !previousLeave.empty() )
{
extensionsList += "\n" + previousLeave;
}
}
return extensionsList;
}
std::string VulkanHppGenerator::generateResultAssignment( CommandData const & commandData ) const
{
std::string resultAssignment;
if ( ( commandData.returnType != "void" ) &&
!( ( commandData.returnType == "VkResult" ) && ( commandData.successCodes.size() == 1 ) && commandData.errorCodes.empty() ) )
{
resultAssignment = commandData.returnType + " result = ";
}
return resultAssignment;
}
std::string VulkanHppGenerator::generateResultCheck(
CommandData const & commandData, std::string const & className, std::string const & classSeparator, std::string commandName, bool enumerating ) const
{
std::string resultCheck;
if ( !commandData.errorCodes.empty() )
{
std::string successCodeList = generateSuccessCodeList( commandData.successCodes, enumerating );
std::string const resultCheckTemplate =
R"(resultCheck( result, VULKAN_HPP_NAMESPACE_STRING "::${className}${classSeparator}${commandName}"${successCodeList} );)";
resultCheck = replaceWithMap(
resultCheckTemplate,
{ { "className", className }, { "classSeparator", classSeparator }, { "commandName", commandName }, { "successCodeList", successCodeList } } );
}
return resultCheck;
}
std::string VulkanHppGenerator::generateResultCheckExpected( std::vector<std::string> const & successCodes,
std::string const & className,
std::string const & commandName ) const
{
std::string resultCheck;
if ( !successCodes.empty() )
{
std::string condition = "result != " + generateSuccessCode( successCodes[0] );
if ( 1 < successCodes.size() )
{
condition = "( " + condition + " )";
for ( size_t i = 1; i < successCodes.size(); ++i )
{
condition += " && ( result != " + generateSuccessCode( successCodes[i] ) + " )";
}
}
std::string const resultCheckTemplate = R"(if ( ${condition} )
{
#if defined( VULKAN_HPP_RAII_NO_EXCEPTIONS )
return VULKAN_HPP_UNEXPECTED( result );
#else
VULKAN_HPP_NAMESPACE::detail::throwResultException( result, "${className}::${commandName}" );
#endif
}
)";
resultCheck = replaceWithMap( resultCheckTemplate, { { "className", className }, { "commandName", commandName }, { "condition", condition } } );
}
return resultCheck;
}
// Intended only for `enum class Result`!
std::string VulkanHppGenerator::generateResultExceptions() const
{
const std::string templateString = R"(
${enter} class ${className} : public SystemError
{
public:
${className}( std::string const & message )
: SystemError( make_error_code( ${enumName}::${enumMemberName} ), message ) {}
${className}( char const * message )
: SystemError( make_error_code( ${enumName}::${enumMemberName} ), message ) {}
};
${leave})";
std::string str;
auto enumIt = m_enums.find( "VkResult" );
for ( auto const & value : enumIt->second.values )
{
// Only generate exception class for non-alias results codes
if ( value.alias.empty() && value.name.starts_with( "VK_ERROR" ) )
{
auto [enter, leave] = generateProtection( value.protect );
std::string valueName = generateEnumValueName( enumIt->first, value.name, false );
str += replaceWithMap( templateString,
{ { "className", stripPrefix( valueName, "eError" ) + "Error" },
{ "enter", enter },
{ "enumName", stripPrefix( enumIt->first, "Vk" ) },
{ "enumMemberName", valueName },
{ "leave", leave } } );
}
}
return str;
}
std::string VulkanHppGenerator::generateReturnStatement( std::string const & commandName,
CommandData const & commandData,
std::string const & returnVariable,
std::string const & returnType,
std::string const & decoratedReturnType,
std::string const & dataType,
size_t initialSkipCount,
size_t returnParam,
CommandFlavourFlags flavourFlags,
bool enumerating,
bool raii ) const
{
bool unique = flavourFlags & CommandFlavourFlagBits::unique;
std::string returnStatement;
if ( commandData.returnType.starts_with( "Vk" ) )
{
if ( ( commandData.successCodes.size() == 1 ) || enumerating )
{
assert( commandData.successCodes[0] == "VK_SUCCESS" );
if ( raii || commandData.errorCodes.empty() )
{
if ( !returnVariable.empty() )
{
returnStatement = "return " + returnVariable + ";";
}
}
else
{
if ( returnVariable.empty() )
{
assert( !unique );
returnStatement = "return createResultValueType( result );";
}
else if ( unique )
{
assert( returnParam != INVALID_INDEX );
returnStatement = "return createResultValueType( result, ";
if ( dataType.starts_with( "std::" ) )
{
returnStatement += "std::move( unique" + startUpperCase( returnVariable ) + " )";
}
else
{
assert( dataType.starts_with( "VULKAN_HPP_NAMESPACE::" ) );
returnStatement +=
returnType + "( " + returnVariable + ", " + generateObjectDeleter( commandName, commandData, initialSkipCount, returnParam ) + " )";
}
returnStatement += " );";
}
else
{
returnStatement = "return createResultValueType( result, " + returnVariable + " );";
}
}
}
else
{
if ( returnVariable.empty() )
{
assert( !unique );
returnStatement = "return static_cast<VULKAN_HPP_NAMESPACE::" + stripPrefix( commandData.returnType, "Vk" ) + ">( result );";
}
else if ( unique )
{
assert( returnParam != INVALID_INDEX );
assert( decoratedReturnType.starts_with( "ResultValue<" ) && decoratedReturnType.ends_with( ">" ) );
returnStatement = "return " + decoratedReturnType + "( static_cast<VULKAN_HPP_NAMESPACE::Result>( result ), ";
if ( dataType.starts_with( "std::" ) )
{
returnStatement += "std::move( unique" + startUpperCase( returnVariable ) + " )";
}
else
{
returnStatement += "UniqueHandle<" + dataType + ", Dispatch>( " + returnVariable + ", " +
generateObjectDeleter( commandName, commandData, initialSkipCount, returnParam ) + " )";
}
returnStatement += " );";
}
else
{
assert( decoratedReturnType.starts_with( raii ? "std::pair<VULKAN_HPP_NAMESPACE::Result, " : "ResultValue<" ) && decoratedReturnType.ends_with( ">" ) );
returnStatement =
"return " + ( raii ? "std::make_pair" : decoratedReturnType ) + "( static_cast<VULKAN_HPP_NAMESPACE::Result>( result ), " + returnVariable + " );";
}
}
}
else
{
assert( !unique );
if ( returnVariable.empty() )
{
if ( commandData.returnType != "void" )
{
returnStatement = "return result;";
}
}
else
{
returnStatement = "return " + returnVariable + ";";
}
}
return returnStatement;
}
std::string VulkanHppGenerator::generateReturnType( std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
CommandFlavourFlags flavourFlags,
bool raii,
std::vector<std::string> const & dataTypes ) const
{
assert( returnParams.size() == dataTypes.size() );
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
bool unique = flavourFlags & CommandFlavourFlagBits::unique;
assert( !( chained && unique ) );
std::string returnType;
switch ( returnParams.size() )
{
case 0: returnType = "void"; break;
case 1:
if ( chained )
{
assert( vectorParams.empty() );
returnType = "VULKAN_HPP_NAMESPACE::StructureChain<X, Y, Z...>";
}
else if ( unique )
{
if ( vectorParams.contains( returnParams[0] ) && !singular )
{
returnType = "std::vector<UniqueHandle<" + dataTypes[0] + ", Dispatch>, " + stripPrefix( dataTypes[0], "VULKAN_HPP_NAMESPACE::" ) + "Allocator>";
}
else
{
returnType = "UniqueHandle<" + dataTypes[0] + ", Dispatch>";
}
}
else
{
if ( vectorParams.contains( returnParams[0] ) && !singular )
{
returnType = "std::vector<" + dataTypes[0] + ( raii ? "" : ( ", " + stripPrefix( dataTypes[0], "VULKAN_HPP_NAMESPACE::" ) + "Allocator" ) ) + ">";
}
else if ( dataTypes[0].starts_with( "Vk" ) )
{
returnType = "VULKAN_HPP_NAMESPACE::" + stripPrefix( dataTypes[0], "Vk" );
}
else
{
returnType = dataTypes[0];
}
}
break;
case 2:
assert( !unique );
if ( chained )
{
#if !defined( NDEBUG )
auto vectorIt = vectorParams.find( returnParams[1] );
#endif
assert( ( vectorIt != vectorParams.end() ) && ( vectorIt->second.lenParam == returnParams[0] ) );
returnType = std::string( "std::vector<StructureChain" ) + ( raii ? "" : ", StructureChainAllocator" ) + ">";
}
else
{
if ( vectorParams.contains( returnParams[0] ) )
{
if ( singular )
{
returnType = "std::pair<" + dataTypes[0] + ", " + dataTypes[1] + ">";
}
else
{
returnType =
"std::pair<std::vector<" + dataTypes[0] + ( raii ? "" : ( ", " + startUpperCase( dataTypes[0] ) + "Allocator" ) ) + ">, " + dataTypes[1] + ">";
}
}
else if ( vectorParams.contains( returnParams[1] ) )
{
assert( vectorParams.find( returnParams[1] )->second.lenParam == returnParams[0] );
if ( dataTypes[1].starts_with( "Vk" ) )
{
std::string type = stripPrefix( dataTypes[1], "Vk" );
returnType = "std::vector<VULKAN_HPP_NAMESPACE::" + type + ( raii ? "" : ( ", " + type + "Allocator" ) ) + ">";
}
else
{
returnType = "std::vector<" + dataTypes[1] +
( raii ? "" : ( ", " + startUpperCase( stripPrefix( dataTypes[1], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator" ) ) + ">";
}
}
else
{
returnType = "std::pair<" + dataTypes[0] + ", " + dataTypes[1] + ">";
}
}
break;
case 3:
assert( !unique );
if ( chained )
{
assert( dataTypes[2] == "uint8_t" );
#if !defined( NDEBUG )
auto vectorIt = vectorParams.find( returnParams[2] );
assert( ( vectorIt != vectorParams.end() ) && ( vectorIt->second.lenParam == returnParams[1] ) );
assert( !vectorParams.contains( returnParams[0] ) );
#endif
returnType = "std::pair<VULKAN_HPP_NAMESPACE::StructureChain<X, Y, Z...>, std::vector<" + dataTypes[2] +
( raii ? "" : ( ", " + startUpperCase( dataTypes[2] ) + "Allocator" ) ) + ">>";
}
else
{
if ( vectorParams.contains( returnParams[1] ) )
{
#if !defined( NDEBUG )
auto vectorIt = vectorParams.find( returnParams[1] );
assert( ( vectorIt != vectorParams.end() ) && ( vectorIt->second.lenParam == returnParams[0] ) );
vectorIt = vectorParams.find( returnParams[2] );
assert( ( vectorIt != vectorParams.end() ) && ( vectorIt->second.lenParam == returnParams[0] ) );
#endif
returnType = "std::pair<std::vector<" + dataTypes[1] +
( raii ? "" : ( ", " + stripPrefix( dataTypes[1], "VULKAN_HPP_NAMESPACE::" ) + "Allocator" ) ) + ">, std::vector<" + dataTypes[2] +
( raii ? "" : ( ", " + stripPrefix( dataTypes[2], "VULKAN_HPP_NAMESPACE::" ) + "Allocator" ) ) + ">>";
}
else
{
#if !defined( NDEBUG )
auto vectorIt = vectorParams.find( returnParams[2] );
assert( ( vectorIt != vectorParams.end() ) && ( vectorIt->second.lenParam == returnParams[1] ) );
assert( !vectorParams.contains( returnParams[0] ) );
#endif
returnType = "std::pair<" + dataTypes[0] + ", std::vector<" + dataTypes[2] +
( raii ? "" : ( ", " + startUpperCase( stripPrefix( dataTypes[2], "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator" ) ) + ">>";
}
}
break;
default: assert( false );
}
return returnType;
}
std::string VulkanHppGenerator::generateReturnVariable( CommandData const & commandData,
std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
CommandFlavourFlags flavourFlags ) const
{
bool chained = flavourFlags & CommandFlavourFlagBits::chained;
bool singular = flavourFlags & CommandFlavourFlagBits::singular;
std::string returnVariable;
switch ( returnParams.size() )
{
case 0: break; // no return variable
case 1:
if ( chained )
{
returnVariable = "structureChain";
}
else
{
returnVariable = startLowerCase( stripPrefix( commandData.params[returnParams[0]].name, "p" ) );
if ( singular )
{
returnVariable = stripPluralS( returnVariable );
}
}
break;
case 2:
if ( chained )
{
returnVariable = "structureChains";
}
else
{
auto vectorParamIt = vectorParams.find( returnParams[1] );
if ( vectorParamIt == vectorParams.end() )
{ // the return variable is simply named "data_", and holds the multi-return value stuff
returnVariable = "data_";
}
else
{
assert( vectorParamIt->second.lenParam == returnParams[0] );
assert( !singular );
returnVariable = startLowerCase( stripPrefix( commandData.params[returnParams[1]].name, "p" ) );
}
}
break;
case 3:
assert( !singular );
assert( ( ( vectorParams.size() == 1 ) && ( vectorParams.begin()->first == returnParams[2] ) &&
( vectorParams.begin()->second.lenParam == returnParams[1] ) ) ||
( ( vectorParams.size() == 2 ) && ( vectorParams.begin()->first == returnParams[1] ) &&
( vectorParams.begin()->second.lenParam == returnParams[0] ) && ( std::next( vectorParams.begin() )->first == returnParams[2] ) &&
( std::next( vectorParams.begin() )->second.lenParam == returnParams[0] ) ) );
returnVariable = "data_";
break;
}
return returnVariable;
}
std::string VulkanHppGenerator::generateSizeCheck( std::vector<std::vector<MemberData>::const_iterator> const & arrayIts,
std::string const & structName,
bool mutualExclusiveLens ) const
{
std::string sizeCheck;
if ( 1 < arrayIts.size() )
{
static const std::string throwTextTemplate = R"( if ( ${throwCheck} )
{
throw LogicError( VULKAN_HPP_NAMESPACE_STRING"::${structName}::${structName}: ${throwCheck}" );
}
)";
std::string assertionText, throwText;
if ( mutualExclusiveLens )
{
// exactly one of the arrays has to be non-empty
std::string sum;
for ( auto it : arrayIts )
{
sum += "!" + startLowerCase( stripPrefix( it->name, "p" ) ) + "_.empty() + ";
}
sum.resize( sum.size() - 3 );
assertionText += " VULKAN_HPP_ASSERT( ( " + sum + " ) <= 1);\n";
throwText += replaceWithMap( throwTextTemplate, { { "structName", structName }, { "throwCheck", "1 < ( " + sum + " )" } } );
}
else
{
for ( size_t first = 0; first + 1 < arrayIts.size(); ++first )
{
assert( arrayIts[first]->name.starts_with( "p" ) );
std::string firstName = startLowerCase( stripPrefix( arrayIts[first]->name, "p" ) ) + "_";
for ( auto second = first + 1; second < arrayIts.size(); ++second )
{
assert( arrayIts[second]->name.starts_with( "p" ) );
std::string secondName = startLowerCase( stripPrefix( arrayIts[second]->name, "p" ) ) + "_";
std::string assertionCheck = firstName + ".size() == " + secondName + ".size()";
std::string throwCheck = firstName + ".size() != " + secondName + ".size()";
if ( ( !arrayIts[first]->optional.empty() && arrayIts[first]->optional.front() ) ||
( !arrayIts[second]->optional.empty() && arrayIts[second]->optional.front() ) )
{
assertionCheck = "( " + assertionCheck + " )";
throwCheck = "( " + throwCheck + " )";
if ( !arrayIts[second]->optional.empty() && arrayIts[second]->optional.front() )
{
assertionCheck = secondName + ".empty() || " + assertionCheck;
throwCheck = "!" + secondName + ".empty() && " + throwCheck;
}
if ( !arrayIts[first]->optional.empty() && arrayIts[first]->optional.front() )
{
assertionCheck = firstName + ".empty() || " + assertionCheck;
throwCheck = "!" + firstName + ".empty() && " + throwCheck;
}
}
assertionText += " VULKAN_HPP_ASSERT( " + assertionCheck + " );\n";
throwText += replaceWithMap( throwTextTemplate, { { "structName", structName }, { "throwCheck", throwCheck } } );
}
}
}
sizeCheck += "\n#ifdef VULKAN_HPP_NO_EXCEPTIONS\n" + assertionText + "#else\n" + throwText + "#endif /*VULKAN_HPP_NO_EXCEPTIONS*/\n" + " ";
}
return sizeCheck;
}
std::string VulkanHppGenerator::generateStaticAssertions() const
{
std::string staticAssertions;
std::set<std::string> listedStructs;
for ( auto const & feature : m_features )
{
staticAssertions += generateStaticAssertions( feature.requireData, feature.name, listedStructs );
}
for ( auto const & extension : m_extensions )
{
staticAssertions += generateStaticAssertions( extension.requireData, extension.name, listedStructs );
}
return staticAssertions;
}
std::string VulkanHppGenerator::generateStaticAssertions( std::vector<RequireData> const & requireData,
std::string const & title,
std::set<std::string> & listedStructs ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
std::string const assertionTemplate = R"(
VULKAN_HPP_STATIC_ASSERT( sizeof( VULKAN_HPP_NAMESPACE::${className} ) == sizeof( Vk${className} ), "handle and wrapper have different size!" );
VULKAN_HPP_STATIC_ASSERT( std::is_nothrow_move_constructible<VULKAN_HPP_NAMESPACE::${className}>::value, "${className} is not nothrow_move_constructible!" );
)";
str += replaceWithMap( assertionTemplate, { { "className", stripPrefix( handleIt->first, "Vk" ) } } );
}
else
{
auto structIt = m_structs.find( type );
if ( ( structIt != m_structs.end() ) && listedStructs.insert( type ).second )
{
std::string const assertionTemplate = R"(
VULKAN_HPP_STATIC_ASSERT( sizeof( VULKAN_HPP_NAMESPACE::${structureType} ) == sizeof( Vk${structureType} ), "struct and wrapper have different size!" );
VULKAN_HPP_STATIC_ASSERT( std::is_standard_layout<VULKAN_HPP_NAMESPACE::${structureType}>::value, "struct wrapper is not a standard layout!" );
VULKAN_HPP_STATIC_ASSERT( std::is_nothrow_move_constructible<VULKAN_HPP_NAMESPACE::${structureType}>::value, "${structureType} is not nothrow_move_constructible!" );
)";
str += replaceWithMap( assertionTemplate, { { "structureType", stripPrefix( structIt->first, "Vk" ) } } );
}
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateStruct( std::pair<std::string, StructureData> const & structure, std::set<std::string> & listedStructs ) const
{
assert( !listedStructs.contains( structure.first ) );
std::string str;
for ( auto const & member : structure.second.members )
{
auto structIt = m_structs.find( member.type.type );
if ( ( structIt != m_structs.end() ) && ( structure.first != member.type.type ) && !listedStructs.contains( member.type.type ) )
{
str += generateStruct( *structIt, listedStructs );
}
}
if ( !structure.second.subStruct.empty() )
{
auto structureIt = m_structs.find( structure.second.subStruct );
if ( ( structureIt != m_structs.end() ) && !listedStructs.contains( structureIt->first ) )
{
str += generateStruct( *structureIt, listedStructs );
}
}
if ( structure.second.isUnion )
{
str += generateUnion( structure );
}
else
{
str += generateStructure( structure );
}
listedStructs.insert( structure.first );
return str;
}
std::string VulkanHppGenerator::generateStructCompareOperators( std::pair<std::string, StructureData> const & structData ) const
{
static const std::set<std::string> simpleTypes = { "char", "double", "DWORD", "float", "HANDLE", "HINSTANCE", "HMONITOR",
"HWND", "int", "int8_t", "int16_t", "int32_t", "int64_t", "LPCWSTR",
"size_t", "uint8_t", "uint16_t", "uint32_t", "uint64_t" };
// two structs are compared by comparing each of the elements
std::string compareMembers, spaceshipMembers;
std::string intro = "";
bool nonDefaultCompare = false;
std::string spaceshipOrdering = containsFloatingPoints( structData.second.members ) ? "std::partial_ordering" : "std::strong_ordering";
for ( size_t i = 0; i < structData.second.members.size(); i++ )
{
MemberData const & member = structData.second.members[i];
auto typeIt = m_types.find( member.type.type );
assert( typeIt != m_types.end() );
if ( ( typeIt->second.category == TypeCategory::ExternalType ) && member.type.postfix.empty() && !simpleTypes.contains( member.type.type ) )
{
nonDefaultCompare = true;
// this type might support operator==() or operator<=>()... that is, use memcmp
compareMembers += intro + "( memcmp( &" + member.name + ", &rhs." + member.name + ", sizeof( " + member.type.type + " ) ) == 0 )";
static const std::string spaceshipMemberTemplate =
R"( if ( auto cmp = memcmp( &${name}, &rhs.${name}, sizeof( ${type} ) ); cmp != 0 )
return ( cmp < 0 ) ? ${ordering}::less : ${ordering}::greater;
)";
spaceshipMembers +=
replaceWithMap( spaceshipMemberTemplate, { { "name", member.name }, { "ordering", spaceshipOrdering }, { "type", member.type.type } } );
}
else if ( member.type.type == "char" && !member.lenExpressions.empty() )
{
// compare null-terminated strings
nonDefaultCompare = true;
assert( member.lenExpressions.size() < 3 );
if ( member.lenExpressions.size() == 1 )
{
assert( member.lenExpressions[0] == "null-terminated" );
compareMembers += intro + "( ( " + member.name + " == rhs." + member.name + " ) || ( strcmp( " + member.name + ", rhs." + member.name + " ) == 0 ) )";
static const std::string spaceshipMemberTemplate =
R"( if ( ${name} != rhs.${name} )
if ( auto cmp = strcmp( ${name}, rhs.${name} ); cmp != 0 )
return ( cmp < 0 ) ? ${ordering}::less : ${ordering}::greater;
)";
spaceshipMembers += replaceWithMap( spaceshipMemberTemplate, { { "name", member.name }, { "ordering", spaceshipOrdering } } );
}
else
{
assert( member.lenExpressions[1] == "null-terminated" );
assert( ( member.type.prefix == "const" ) && ( member.type.postfix == "* const *" ) );
static const std::string compareMemberTemplate =
R"(std::equal( ${name}, ${name} + ${count}, rhs.${name}, []( char const * left, char const * right ) { return ( left == right ) || ( strcmp( left, right ) == 0 ); } ))";
compareMembers += intro + replaceWithMap( compareMemberTemplate, { { "count", member.lenExpressions[0] }, { "name", member.name } } );
static const std::string spaceshipMemberTemplate = R"( for ( size_t i = 0; i < ${count}; ++i )
{
if ( ${name}[i] != rhs.${name}[i] )
if ( auto cmp = strcmp( ${name}[i], rhs.${name}[i] ); cmp != 0 )
return cmp < 0 ? ${ordering}::less : ${ordering}::greater;
}
)";
spaceshipMembers +=
replaceWithMap( spaceshipMemberTemplate, { { "count", member.lenExpressions[0] }, { "name", member.name }, { "ordering", spaceshipOrdering } } );
}
}
else
{
// for all others, we use the operator== of that type
compareMembers += intro + "( " + member.name + " == rhs." + member.name + " )";
spaceshipMembers += " if ( auto cmp = " + member.name + " <=> rhs." + member.name + "; cmp != 0 ) return cmp;\n";
}
intro = "\n && ";
}
std::string structName = stripPrefix( structData.first, "Vk" );
std::string compareBody, spaceshipOperator, spaceshipOperatorIf, spaceshipOperatorElse, spaceshipOperatorEndif;
if ( nonDefaultCompare )
{
compareBody = " return " + compareMembers + ";";
if ( !containsFuncPointer( structData.first ) )
{
static const std::string spaceshipOperatorTemplate =
R"( ${ordering} operator<=>( ${name} const & rhs ) const VULKAN_HPP_NOEXCEPT
{
${spaceshipMembers}
return ${ordering}::equivalent;
})";
spaceshipOperatorIf = "#if defined(VULKAN_HPP_HAS_SPACESHIP_OPERATOR)";
spaceshipOperator =
replaceWithMap( spaceshipOperatorTemplate, { { "name", structName }, { "ordering", spaceshipOrdering }, { "spaceshipMembers", spaceshipMembers } } );
spaceshipOperatorElse = "#endif\n";
spaceshipOperatorEndif = "";
}
}
else
{
// use reflection only if VULKAN_HPP_USE_REFLECT is defined
static const std::string compareBodyTemplate = R"(#if defined( VULKAN_HPP_USE_REFLECT )
return this->reflect() == rhs.reflect();
#else
return ${compareMembers};
#endif)";
compareBody = replaceWithMap( compareBodyTemplate, { { "compareMembers", compareMembers } } );
if ( !containsFuncPointer( structData.first ) )
{
spaceshipOperatorIf = "#if defined(VULKAN_HPP_HAS_SPACESHIP_OPERATOR)";
spaceshipOperator = "auto operator<=>( " + structName + " const & ) const = default;";
spaceshipOperatorElse = "#else";
spaceshipOperatorEndif = "#endif\n";
}
}
static const std::string compareTemplate = R"(
${spaceshipOperatorIf}
${spaceshipOperator}
${spaceshipOperatorElse}
bool operator==( ${name} const & rhs ) const VULKAN_HPP_NOEXCEPT
{
${compareBody}
}
bool operator!=( ${name} const & rhs ) const VULKAN_HPP_NOEXCEPT
{
return !operator==( rhs );
}
${spaceshipOperatorEndif})";
return replaceWithMap( compareTemplate,
{ { "name", structName },
{ "compareBody", compareBody },
{ "spaceshipOperator", spaceshipOperator },
{ "spaceshipOperatorElse", spaceshipOperatorElse },
{ "spaceshipOperatorEndif", spaceshipOperatorEndif },
{ "spaceshipOperatorIf", spaceshipOperatorIf } } );
}
std::string VulkanHppGenerator::generateStructConstructors( std::pair<std::string, StructureData> const & structData ) const
{
// the constructor with all the elements as arguments, with defaults
// and the simple copy constructor from the corresponding vulkan structure
static const std::string constructors = R"(${constexpr}${structName}(${arguments}) VULKAN_HPP_NOEXCEPT
${initializers}
{}
${constexpr}${structName}( ${structName} const & rhs ) VULKAN_HPP_NOEXCEPT = default;
${structName}( Vk${structName} const & rhs ) VULKAN_HPP_NOEXCEPT
: ${structName}( *reinterpret_cast<${structName} const *>( &rhs ) )
{}
)";
std::string arguments, initializers;
bool listedArgument = false;
bool firstArgument = true;
for ( auto const & member : structData.second.members )
{
// gather the arguments
std::string argument = generateStructConstructorArgument( listedArgument, member, true );
if ( !argument.empty() )
{
listedArgument = true;
arguments += argument;
}
// gather the initializers; skip members with exactly one legal value
if ( member.value.empty() )
{
initializers += std::string( firstArgument ? ": " : ", " ) + member.name + "( " + member.name + "_ )";
firstArgument = false;
}
}
auto pNextIt = std::find_if( structData.second.members.begin(), structData.second.members.end(), []( MemberData const & md ) { return md.name == "pNext"; } );
if ( pNextIt != structData.second.members.end() )
{
// add pNext as a last optional argument to the constructor
arguments += std::string( listedArgument ? ", " : "" ) + pNextIt->type.compose( "VULKAN_HPP_NAMESPACE" ) + " pNext_ = nullptr";
}
std::string str = replaceWithMap( constructors,
{ { "arguments", arguments },
{ "constexpr", generateConstexprString( structData.first ) },
{ "initializers", initializers },
{ "structName", stripPrefix( structData.first, "Vk" ) } } );
str += generateStructConstructorsEnhanced( structData );
return str;
}
std::string VulkanHppGenerator::generateStructConstructorsEnhanced( std::pair<std::string, StructureData> const & structData ) const
{
if ( std::any_of( structData.second.members.begin(), structData.second.members.end(), [this]( MemberData const & md ) { return hasLen( md ); } ) )
{
// map from len-members to all the array members using that len
std::map<std::vector<MemberData>::const_iterator, std::vector<std::vector<MemberData>::const_iterator>> lenIts;
for ( auto mit = structData.second.members.begin(); mit != structData.second.members.end(); ++mit )
{
if ( hasLen( *mit ) )
{
std::string lenName = ( mit->lenExpressions.front() == "codeSize / 4" ) ? "codeSize" : mit->lenExpressions.front();
auto lenIt = findStructMemberIt( lenName, structData.second.members );
assert( lenIt != mit );
lenIts[lenIt].push_back( mit );
}
}
std::string arguments, initializers;
bool listedArgument = false;
bool firstArgument = true;
bool arrayListed = false;
std::string templateHeader, sizeChecks;
for ( auto mit = structData.second.members.begin(); mit != structData.second.members.end(); ++mit )
{
// gather the initializers
if ( mit->name == "pNext" ) // for pNext, we just get the initializer... the argument is added at the end
{
initializers += std::string( firstArgument ? ":" : "," ) + " pNext( pNext_ )";
firstArgument = false;
}
else if ( mit->value.empty() ) // skip constant members
{
auto litit = lenIts.find( mit );
if ( litit != lenIts.end() )
{
// len arguments just have an initalizer, from the ArrayProxyNoTemporaries size
initializers +=
( firstArgument ? ": " : ", " ) + mit->name + "( " + generateLenInitializer( mit, litit, structData.second.mutualExclusiveLens ) + " )";
sizeChecks += generateSizeCheck( litit->second, stripPrefix( structData.first, "Vk" ), structData.second.mutualExclusiveLens );
}
else if ( hasLen( *mit ) )
{
assert( mit->name.starts_with( "p" ) );
std::string argumentName = startLowerCase( stripPrefix( mit->name, "p" ) ) + "_";
assert( mit->type.postfix.ends_with( "*" ) );
std::string argumentType = trimEnd( stripPostfix( mit->type.compose( "VULKAN_HPP_NAMESPACE" ), "*" ) );
if ( ( mit->type.type == "void" ) && ( argumentType.find( '*' ) == std::string::npos ) )
{
// the argument after stripping one pointer is just void
assert( templateHeader.empty() );
templateHeader = " template <typename T>\n";
size_t pos = argumentType.find( "void" );
assert( pos != std::string::npos );
argumentType.replace( pos, strlen( "void" ), "T" );
}
arguments += listedArgument ? ", " : "";
arguments += "VULKAN_HPP_NAMESPACE::ArrayProxyNoTemporaries<" + argumentType + "> const & " + argumentName;
if ( arrayListed )
{
arguments += " = {}";
}
listedArgument = true;
arrayListed = true;
initializers += ( firstArgument ? ": " : ", " ) + mit->name + "( " + argumentName + ".data() )";
}
else
{
std::string argument = generateStructConstructorArgument( listedArgument, *mit, arrayListed );
if ( !argument.empty() )
{
listedArgument = true;
arguments += argument;
}
initializers += ( firstArgument ? ": " : ", " ) + mit->name + "( " + mit->name + "_ )";
}
firstArgument = false;
}
}
auto pNextIt =
std::find_if( structData.second.members.begin(), structData.second.members.end(), []( MemberData const & md ) { return md.name == "pNext"; } );
if ( pNextIt != structData.second.members.end() )
{
// add pNext as a last optional argument to the constructor
arguments += std::string( listedArgument ? ", " : "" ) + pNextIt->type.compose( "VULKAN_HPP_NAMESPACE" ) + " pNext_ = nullptr";
}
static const std::string constructorTemplate = R"(
#if !defined( VULKAN_HPP_DISABLE_ENHANCED_MODE )
${templateHeader} ${structName}( ${arguments} )
${initializers}
{${sizeChecks}}
#endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
)";
return replaceWithMap( constructorTemplate,
{ { "arguments", arguments },
{ "initializers", initializers },
{ "sizeChecks", sizeChecks },
{ "structName", stripPrefix( structData.first, "Vk" ) },
{ "templateHeader", templateHeader } } );
}
return "";
}
std::string VulkanHppGenerator::generateStructConstructorArgument( bool listedArgument, MemberData const & memberData, bool withDefault ) const
{
// skip members 'pNext' and members with a specified value, as they are never explicitly set
std::string str;
if ( ( memberData.name != "pNext" ) && memberData.value.empty() )
{
str += ( listedArgument ? ( ", " ) : "" );
if ( memberData.arraySizes.empty() )
{
str += memberData.type.compose( "VULKAN_HPP_NAMESPACE" ) + " ";
}
else
{
str += generateStandardArray( memberData.type.compose( "VULKAN_HPP_NAMESPACE" ), memberData.arraySizes ) + " const & ";
}
str += memberData.name + "_";
if ( withDefault )
{
str += " = ";
auto enumIt = m_enums.find( memberData.type.type );
if ( enumIt != m_enums.end() && memberData.type.postfix.empty() )
{
str += generateEnumInitializer( memberData.type, memberData.arraySizes, enumIt->second.values, enumIt->second.isBitmask );
}
else if ( memberData.defaultValue.empty() )
{
// if there's no default value, it can be initialized with just {}
str += "{}";
}
else
{
assert( memberData.defaultValue.starts_with( "VK_" ) );
std::string tag = findTag( memberData.defaultValue );
str += "VULKAN_HPP_NAMESPACE::" + toCamelCase( stripPostfix( stripPrefix( memberData.defaultValue, "VK_" ), tag ) ) + tag;
}
}
}
return str;
}
std::string VulkanHppGenerator::generateStructHashStructure( std::pair<std::string, StructureData> const & structure,
std::set<std::string> & listedStructs ) const
{
assert( !listedStructs.contains( structure.first ) );
std::string str;
for ( auto const & member : structure.second.members )
{
auto structIt = m_structs.find( member.type.type );
if ( ( structIt != m_structs.end() ) && ( structure.first != member.type.type ) && !listedStructs.contains( member.type.type ) )
{
str += generateStructHashStructure( *structIt, listedStructs );
}
}
if ( !containsUnion( structure.first ) )
{
static const std::string hashTemplate = R"(
${enter}template <> struct hash<VULKAN_HPP_NAMESPACE::${structureType}>
{
std::size_t operator()(VULKAN_HPP_NAMESPACE::${structureType} const & ${structureName}) const VULKAN_HPP_NOEXCEPT
{
std::size_t seed = 0;
${hashSum}
return seed;
}
};
${leave})";
auto [enter, leave] = generateProtection( getProtectFromType( structure.first ) );
std::string structureType = stripPrefix( structure.first, "Vk" );
std::string structureName = startLowerCase( structureType );
str += replaceWithMap( hashTemplate,
{ { "enter", enter },
{ "hashSum", generateStructHashSum( structureName, structure.second.members ) },
{ "leave", leave },
{ "structureName", structureName },
{ "structureType", structureType } } );
}
listedStructs.insert( structure.first );
return str;
}
std::string VulkanHppGenerator::generateStructHashStructures() const
{
const std::string hashesTemplate = R"(
#if 14 <= VULKAN_HPP_CPP_VERSION
//======================================
//=== HASH structures for structures ===
//======================================
# if !defined( VULKAN_HPP_HASH_COMBINE )
# define VULKAN_HPP_HASH_COMBINE( seed, value ) \
seed ^= std::hash<std::decay<decltype( value )>::type>{}( value ) + 0x9e3779b9 + ( seed << 6 ) + ( seed >> 2 )
# endif
${hashes}
#endif // 14 <= VULKAN_HPP_CPP_VERSION
)";
// Note reordering structs or handles by features and extensions is not possible!
std::set<std::string> listedStructs;
std::string hashes;
for ( auto const & structure : m_structs )
{
if ( !listedStructs.contains( structure.first ) && isTypeUsed( structure.first ) )
{
hashes += generateStructHashStructure( structure, listedStructs );
}
}
return replaceWithMap( hashesTemplate, { { "hashes", hashes } } );
}
std::string VulkanHppGenerator::generateStructHashSum( std::string const & structName, std::vector<MemberData> const & members ) const
{
std::string hashSum;
for ( auto const & member : members )
{
if ( !member.arraySizes.empty() )
{
assert( member.arraySizes.size() < 3 );
hashSum += " for ( size_t i = 0; i < " + member.arraySizes[0] + "; ++i )\n";
hashSum += " {\n";
if ( member.arraySizes.size() == 1 )
{
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, " + structName + "." + member.name + "[i] );\n";
}
else
{
hashSum += " for ( size_t j=0; j < " + member.arraySizes[1] + "; ++j )\n";
hashSum += " {\n";
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, " + structName + "." + member.name + "[i][j] );\n";
hashSum += " }\n";
}
hashSum += " }\n";
}
else if ( member.type.type == "char" && !member.lenExpressions.empty() )
{
assert( member.lenExpressions.size() < 3 );
if ( member.lenExpressions.size() == 1 )
{
assert( member.lenExpressions[0] == "null-terminated" );
hashSum += " for ( const char* p = " + structName + "." + member.name + "; *p != '\\0'; ++p )\n";
hashSum += " {\n";
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, *p );\n";
hashSum += " }\n";
}
else
{
assert( member.lenExpressions[1] == "null-terminated" );
hashSum += " for ( size_t i = 0; i < " + structName + "." + member.lenExpressions[0] + "; ++i )\n";
hashSum += " {\n";
hashSum += " for ( const char* p = " + structName + "." + member.name + "[i]; *p != '\\0'; ++p )\n";
hashSum += " {\n";
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, *p );\n";
hashSum += " }\n";
hashSum += " }\n";
}
}
else
{
hashSum += " VULKAN_HPP_HASH_COMBINE( seed, " + structName + "." + member.name + " );\n";
}
}
assert( !hashSum.empty() );
return hashSum.substr( 0, hashSum.size() - 1 );
}
std::string VulkanHppGenerator::generateStructs() const
{
const std::string structsTemplate = R"(
//===============
//=== STRUCTS ===
//===============
${structs}
)";
// Note reordering structs or handles by features and extensions is not possible!
std::set<std::string> listedStructs;
std::string structs;
for ( auto const & structure : m_structs )
{
if ( !listedStructs.contains( structure.first ) && isTypeUsed( structure.first ) )
{
structs += generateStruct( structure, listedStructs );
}
}
return replaceWithMap( structsTemplate, { { "structs", structs } } );
}
std::string VulkanHppGenerator::generateStructure( std::pair<std::string, StructureData> const & structure ) const
{
auto [enter, leave] = generateProtection( getProtectFromType( structure.first ) );
std::string str = "\n" + enter;
static const std::string constructorsTemplate = R"(
#if !defined( VULKAN_HPP_NO_STRUCT_CONSTRUCTORS )
${constructors}
${subConstructors}
${structName} & operator=( ${structName} const & rhs ) VULKAN_HPP_NOEXCEPT = default;
#endif /*VULKAN_HPP_NO_STRUCT_CONSTRUCTORS*/
${structName} & operator=( Vk${structName} const & rhs ) VULKAN_HPP_NOEXCEPT
{
*this = *reinterpret_cast<VULKAN_HPP_NAMESPACE::${structName} const *>( &rhs );
return *this;
}
)";
std::string constructorsAndSetters = replaceWithMap( constructorsTemplate,
{ { "constructors", generateStructConstructors( structure ) },
{ "structName", stripPrefix( structure.first, "Vk" ) },
{ "subConstructors", generateStructSubConstructor( structure ) } } );
if ( !structure.second.returnedOnly )
{
// only structs that are not returnedOnly get setters!
constructorsAndSetters += "\n#if !defined( VULKAN_HPP_NO_STRUCT_SETTERS )";
for ( size_t i = 0; i < structure.second.members.size(); i++ )
{
constructorsAndSetters += generateStructSetter( stripPrefix( structure.first, "Vk" ), structure.second.members, i );
}
constructorsAndSetters += "#endif /*VULKAN_HPP_NO_STRUCT_SETTERS*/\n";
}
std::string structureType = stripPrefix( structure.first, "Vk" );
// the member variables
std::string members, memberNames, memberTypes, sTypeValue;
std::tie( members, memberNames, memberTypes, sTypeValue ) = generateStructMembers( structure );
// reflect is meaningfull for structs only, filter out unions
std::string reflect;
if ( !structure.second.isUnion )
{
// use reflection only if VULKAN_HPP_USE_REFLECT is defined
static const std::string reflectTemplate = R"(
#if defined( VULKAN_HPP_USE_REFLECT )
#if 14 <= VULKAN_HPP_CPP_VERSION
auto
#else
std::tuple<${memberTypes}>
#endif
reflect() const VULKAN_HPP_NOEXCEPT
{
return std::tie( ${memberNames} );
}
#endif
)";
reflect = replaceWithMap( reflectTemplate, { { "memberNames", memberNames }, { "memberTypes", memberTypes } } );
}
// operator==() and operator!=()
// only structs without a union as a member can have a meaningfull == and != operation; we filter them out
std::string compareOperators;
if ( !containsUnion( structure.first ) )
{
compareOperators += generateStructCompareOperators( structure );
}
static const std::string structureTemplate = R"( struct ${structureType}
{
using NativeType = Vk${structureType};
${allowDuplicate}
${typeValue}
${constructorsAndSetters}
operator Vk${structureType} const &() const VULKAN_HPP_NOEXCEPT
{
return *reinterpret_cast<const Vk${structureType}*>( this );
}
operator Vk${structureType} &() VULKAN_HPP_NOEXCEPT
{
return *reinterpret_cast<Vk${structureType}*>( this );
}
${reflect}
${compareOperators}
public:
${members}
};
)";
std::string allowDuplicate, typeValue;
if ( !sTypeValue.empty() )
{
allowDuplicate = std::string( " static const bool allowDuplicate = " ) + ( structure.second.allowDuplicate ? "true;" : "false;" );
typeValue = " static VULKAN_HPP_CONST_OR_CONSTEXPR StructureType structureType = StructureType::" + sTypeValue + ";\n";
}
str += replaceWithMap( structureTemplate,
{ { "allowDuplicate", allowDuplicate },
{ "constructorsAndSetters", constructorsAndSetters },
{ "compareOperators", compareOperators },
{ "members", members },
{ "reflect", reflect },
{ "structureType", structureType },
{ "typeValue", typeValue } } );
if ( !sTypeValue.empty() )
{
std::string cppTypeTemplate = R"(
template <>
struct CppType<StructureType, StructureType::${sTypeValue}>
{
using Type = ${structureType};
};
)";
str += replaceWithMap( cppTypeTemplate, { { "sTypeValue", sTypeValue }, { "structureType", structureType } } );
}
for ( auto const & alias : m_structAliases )
{
if ( alias.second.name == structure.first )
{
str += " using " + stripPrefix( alias.first, "Vk" ) + " = " + structureType + ";\n";
}
}
str += leave;
return str;
}
std::string VulkanHppGenerator::generateStructExtendsStructs() const
{
const std::string structExtendsTemplate = R"(
//=======================
//=== STRUCTS EXTENDS ===
//=======================
${structExtends})";
std::string structExtends;
std::set<std::string> listedStructs;
for ( auto const & feature : m_features )
{
structExtends += generateStructExtendsStructs( feature.requireData, listedStructs, feature.name );
}
for ( auto const & extension : m_extensions )
{
structExtends += generateStructExtendsStructs( extension.requireData, listedStructs, extension.name );
}
return replaceWithMap( structExtendsTemplate, { { "structExtends", structExtends } } );
}
std::string VulkanHppGenerator::generateStructExtendsStructs( std::vector<RequireData> const & requireData,
std::set<std::string> & listedStructs,
std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto structIt = m_structs.find( type );
if ( ( structIt != m_structs.end() ) && listedStructs.insert( type ).second )
{
auto [enter, leave] = generateProtection( getProtectFromTitle( title ) );
// append all allowed structure chains
for ( auto extendName : structIt->second.structExtends )
{
std::map<std::string, StructureData>::const_iterator itExtend = m_structs.find( extendName );
if ( itExtend == m_structs.end() )
{
// look if the extendName acutally is an alias of some other structure
auto aliasIt = m_structAliases.find( extendName );
if ( aliasIt != m_structAliases.end() )
{
itExtend = m_structs.find( aliasIt->second.name );
assert( itExtend != m_structs.end() );
}
}
auto [subEnter, subLeave] = generateProtection( getProtectFromType( itExtend->first ) );
if ( enter != subEnter )
{
str += subEnter;
}
str += " template <> struct StructExtends<" + stripPrefix( structIt->first, "Vk" ) + ", " + stripPrefix( extendName, "Vk" ) +
">{ enum { value = true }; };\n";
if ( leave != subLeave )
{
str += subLeave;
}
}
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateStructForwardDeclarations() const
{
const std::string fowardDeclarationsTemplate = R"(
//===================================
//=== STRUCT forward declarations ===
//===================================
${forwardDeclarations}
)";
std::string forwardDeclarations;
std::set<std::string> listedStructs;
for ( auto const & feature : m_features )
{
forwardDeclarations += generateStructForwardDeclarations( feature.requireData, feature.name, listedStructs );
}
for ( auto const & extension : m_extensions )
{
forwardDeclarations += generateStructForwardDeclarations( extension.requireData, extension.name, listedStructs );
}
return replaceWithMap( fowardDeclarationsTemplate, { { "forwardDeclarations", forwardDeclarations } } );
}
std::string VulkanHppGenerator::generateStructForwardDeclarations( std::vector<RequireData> const & requireData,
std::string const & title,
std::set<std::string> & listedStructs ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto structIt = m_structs.find( type );
if ( ( structIt != m_structs.end() ) && listedStructs.insert( type ).second )
{
std::string structureType = stripPrefix( structIt->first, "Vk" );
str += ( structIt->second.isUnion ? " union " : " struct " ) + structureType + ";\n";
for ( auto const & alias : m_structAliases )
{
if ( alias.second.name == type )
{
str += " using " + stripPrefix( alias.first, "Vk" ) + " = " + structureType + ";\n";
}
}
}
}
}
return addTitleAndProtection( title, str );
}
std::tuple<std::string, std::string, std::string, std::string>
VulkanHppGenerator::generateStructMembers( std::pair<std::string, StructureData> const & structData ) const
{
std::string members, memberNames, memberTypes, sTypeValue;
for ( auto const & member : structData.second.members )
{
members += " ";
std::string type;
if ( !member.bitCount.empty() && member.type.type.starts_with( "Vk" ) )
{
assert( member.type.prefix.empty() && member.type.postfix.empty() ); // never encounterd a different case
type = member.type.type;
}
else if ( member.arraySizes.empty() )
{
type = member.type.compose( "VULKAN_HPP_NAMESPACE" );
}
else
{
assert( member.type.prefix.empty() && member.type.postfix.empty() );
type = generateStandardArrayWrapper( member.type.compose( "VULKAN_HPP_NAMESPACE" ), member.arraySizes );
}
members += type + " " + member.name;
if ( !member.value.empty() )
{
// special handling for members with legal value: use it as the default
members += " = ";
if ( member.type.type == "uint32_t" )
{
members += member.value;
}
else
{
auto enumIt = m_enums.find( member.type.type );
assert( enumIt != m_enums.end() );
std::string enumValue = member.value;
auto valueIt = std::find_if(
enumIt->second.values.begin(), enumIt->second.values.end(), [&enumValue]( EnumValueData const & evd ) { return enumValue == evd.name; } );
assert( valueIt != enumIt->second.values.end() );
std::string valueName = generateEnumValueName( enumIt->first, valueIt->name, enumIt->second.isBitmask );
members += stripPrefix( member.type.type, "Vk" ) + "::" + valueName;
if ( member.name == "sType" )
{
sTypeValue = valueName;
}
}
}
else
{
// when we don't have any default initialization value, everything can be initialized by just '{}'
assert( member.arraySizes.empty() || member.bitCount.empty() );
if ( !member.bitCount.empty() )
{
members += " : " + member.bitCount; // except for bitfield members, where no default member initializatin
// is supported (up to C++20)
}
else
{
members += " = ";
auto enumIt = m_enums.find( member.type.type );
if ( member.arraySizes.empty() && ( enumIt != m_enums.end() ) && member.type.postfix.empty() )
{
members += generateEnumInitializer( member.type, member.arraySizes, enumIt->second.values, enumIt->second.isBitmask );
}
else if ( member.defaultValue.empty() )
{
members += "{}";
}
else
{
assert( member.defaultValue.starts_with( "VK_" ) );
std::string tag = findTag( member.defaultValue );
members += "VULKAN_HPP_NAMESPACE::" + toCamelCase( stripPostfix( stripPrefix( member.defaultValue, "VK_" ), tag ) ) + tag;
}
}
}
members += ";\n";
memberNames += member.name + ", ";
memberTypes += type + " const &, ";
}
return std::make_tuple( members, stripPostfix( memberNames, ", " ), stripPostfix( memberTypes, ", " ), sTypeValue );
}
std::string VulkanHppGenerator::generateStructSetter( std::string const & structureName, std::vector<MemberData> const & memberData, size_t index ) const
{
std::string str;
MemberData const & member = memberData[index];
if ( member.type.type != "VkStructureType" ) // filter out StructureType, which is supposed to be immutable !
{
static const std::string templateString = R"(
${constexpr}${structureName} & set${MemberName}( ${memberType} ${reference}${memberName}_ ) VULKAN_HPP_NOEXCEPT
{
${assignment};
return *this;
}
)";
std::string memberType = member.arraySizes.empty() ? member.type.compose( "VULKAN_HPP_NAMESPACE" )
: generateStandardArray( member.type.compose( "VULKAN_HPP_NAMESPACE" ), member.arraySizes );
bool isReinterpretation = !member.bitCount.empty() && member.type.type.starts_with( "Vk" );
std::string assignment;
if ( isReinterpretation )
{
assignment = member.name + " = " + "*reinterpret_cast<" + member.type.type + "*>(&" + member.name + "_)";
}
else
{
assignment = member.name + " = " + member.name + "_";
}
str += replaceWithMap( templateString,
{ { "assignment", assignment },
{ "constexpr", isReinterpretation ? "" : "VULKAN_HPP_CONSTEXPR_14 " },
{ "memberName", member.name },
{ "MemberName", startUpperCase( member.name ) },
{ "memberType", memberType },
{ "reference", ( member.type.postfix.empty() && m_structs.contains( member.type.type ) ) ? "const & " : "" },
{ "structureName", structureName } } );
if ( hasLen( member ) )
{
assert( member.name.front() == 'p' );
std::string arrayName = startLowerCase( stripPrefix( member.name, "p" ) );
std::string lenName, lenValue;
if ( member.lenExpressions[0] == "codeSize / 4" )
{
lenName = "codeSize";
lenValue = arrayName + "_.size() * 4";
}
else
{
lenName = member.lenExpressions[0];
lenValue = arrayName + "_.size()";
}
assert( memberType.back() == '*' );
memberType = trimEnd( stripPostfix( memberType, "*" ) );
std::string templateHeader;
if ( ( member.type.type == "void" ) && ( memberType.find( '*' ) == std::string::npos ) )
{
assert( templateHeader.empty() );
templateHeader = "template <typename T>\n ";
size_t pos = memberType.find( "void" );
assert( pos != std::string::npos );
memberType.replace( pos, strlen( "void" ), "T" );
lenValue += " * sizeof(T)";
}
auto lenMember = findStructMemberIt( lenName, memberData );
assert( lenMember != memberData.end() && lenMember->type.prefix.empty() && lenMember->type.postfix.empty() );
if ( lenMember->type.type != "size_t" )
{
lenValue = "static_cast<" + lenMember->type.type + ">( " + lenValue + " )";
}
static const std::string setArrayTemplate = R"(
#if !defined( VULKAN_HPP_DISABLE_ENHANCED_MODE )
${templateHeader}${structureName} & set${ArrayName}( VULKAN_HPP_NAMESPACE::ArrayProxyNoTemporaries<${memberType}> const & ${arrayName}_ ) VULKAN_HPP_NOEXCEPT
{
${lenName} = ${lenValue};
${memberName} = ${arrayName}_.data();
return *this;
}
#endif /*VULKAN_HPP_DISABLE_ENHANCED_MODE*/
)";
str += replaceWithMap( setArrayTemplate,
{ { "arrayName", arrayName },
{ "ArrayName", startUpperCase( arrayName ) },
{ "lenName", lenName },
{ "lenValue", lenValue },
{ "memberName", member.name },
{ "memberType", memberType },
{ "structureName", structureName },
{ "templateHeader", templateHeader } } );
}
}
return str;
}
std::string VulkanHppGenerator::generateStructSubConstructor( std::pair<std::string, StructureData> const & structData ) const
{
if ( !structData.second.subStruct.empty() )
{
auto const & subStruct = m_structs.find( structData.second.subStruct );
assert( subStruct != m_structs.end() );
std::string subStructArgumentName = startLowerCase( stripPrefix( subStruct->first, "Vk" ) );
std::string subCopies;
bool firstArgument = true;
for ( size_t i = 0; i < subStruct->second.members.size(); i++ )
{
assert( structData.second.members[i].arraySizes.empty() );
static const std::string subCopiesTemplate =
R"( ${separator} ${structMemberName}( ${subStructArgumentName}.${subStructMemberName} )
)";
subCopies += replaceWithMap( subCopiesTemplate,
{ { "separator", firstArgument ? ":" : "," },
{ "structMemberName", structData.second.members[i].name },
{ "subStructMemberName", subStruct->second.members[i].name },
{ "subStructArgumentName", subStructArgumentName } } );
firstArgument = false;
}
std::string subArguments;
bool listedArgument = true;
for ( size_t i = subStruct->second.members.size(); i < structData.second.members.size(); i++ )
{
std::string argument = generateStructConstructorArgument( listedArgument, structData.second.members[i], true );
if ( !argument.empty() )
{
listedArgument = true;
subArguments += argument;
}
assert( structData.second.members[i].arraySizes.empty() );
static const std::string subCopiesTemplate = R"( , ${memberName}( ${memberName}_ )
)";
subCopies += replaceWithMap( subCopiesTemplate, { { "memberName", structData.second.members[i].name } } );
}
static const std::string subStructConstructorTemplate = R"(
explicit ${structName}( ${subStructName} const & ${subStructArgumentName}${subArguments} )
${subCopies} {}
)";
return replaceWithMap( subStructConstructorTemplate,
{ { "structName", stripPrefix( structData.first, "Vk" ) },
{ "subArguments", subArguments },
{ "subCopies", subCopies },
{ "subStructArgumentName", subStructArgumentName },
{ "subStructName", stripPrefix( subStruct->first, "Vk" ) } } );
}
return "";
}
std::string VulkanHppGenerator::generateSuccessCheck( std::vector<std::string> const & successCodes ) const
{
assert( !successCodes.empty() );
std::string successCheck = "result == " + generateSuccessCode( successCodes[0] );
if ( 1 < successCodes.size() )
{
successCheck = "( " + successCheck + " )";
for ( size_t i = 1; i < successCodes.size(); ++i )
{
successCheck += "|| ( result == " + generateSuccessCode( successCodes[i] ) + " )";
}
}
return successCheck;
}
std::string VulkanHppGenerator::generateSuccessCode( std::string const & code ) const
{
std::string tag = findTag( code );
// on each success code: prepend 'VULKAN_HPP_NAMESPACE::Result::e', strip "VK_" and a tag, convert it to camel
// case, and add the tag again
return "VULKAN_HPP_NAMESPACE::Result::e" + toCamelCase( stripPostfix( stripPrefix( code, "VK_" ), tag ) ) + tag;
}
std::string VulkanHppGenerator::generateSuccessCodeList( std::vector<std::string> const & successCodes, bool enumerating ) const
{
std::string successCodeList;
if ( ( 1 < successCodes.size() ) && !enumerating )
{
successCodeList = ", { " + generateSuccessCode( successCodes[0] );
for ( size_t i = 1; i < successCodes.size(); ++i )
{
successCodeList += ", " + generateSuccessCode( successCodes[i] );
}
successCodeList += " }";
}
return successCodeList;
}
std::string VulkanHppGenerator::generateThrowResultException() const
{
auto enumIt = m_enums.find( "VkResult" );
std::string cases;
for ( auto const & value : enumIt->second.values )
{
// only generate throw-functions for non-alias error codes
if ( value.alias.empty() && value.name.starts_with( "VK_ERROR" ) )
{
auto [enter, leave] = generateProtection( value.protect );
std::string valueName = generateEnumValueName( enumIt->first, value.name, false );
cases += enter + " case Result::" + valueName + ": throw " + stripPrefix( valueName, "eError" ) + "Error( message );\n" + leave;
}
}
cases.pop_back(); // remove last newline
const std::string throwTemplate = R"(
namespace detail
{
[[noreturn]] VULKAN_HPP_INLINE void throwResultException( Result result, char const * message )
{
switch ( result )
{
${cases}
default: throw SystemError( make_error_code( result ), message );
}
}
})";
return replaceWithMap( throwTemplate, { { "cases", cases } } );
}
std::string VulkanHppGenerator::generateTypenameCheck( std::vector<size_t> const & returnParams,
std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & chainedReturnParams,
bool definition,
std::vector<std::string> const & dataTypes,
CommandFlavourFlags flavourFlags ) const
{
std::string typenameCheck, enableIf;
if ( !( flavourFlags & CommandFlavourFlagBits::singular ) && ( flavourFlags & CommandFlavourFlagBits::withAllocator ) )
{
for ( size_t i = 0; i < returnParams.size(); ++i )
{
if ( vectorParams.contains( returnParams[i] ) )
{
std::string elementType =
( ( flavourFlags & CommandFlavourFlagBits::chained ) &&
std::any_of( chainedReturnParams.begin(), chainedReturnParams.end(), [&returnParams, i]( size_t crp ) { return crp == returnParams[i]; } ) )
? "StructureChain"
: dataTypes[i];
std::string extendedElementType = elementType;
if ( flavourFlags & CommandFlavourFlagBits::unique )
{
extendedElementType = "UniqueHandle<" + elementType + ", Dispatch>";
}
std::string index = std::to_string( i );
if ( definition )
{
typenameCheck += ", typename B" + index;
}
else
{
typenameCheck += ", typename B" + index + " = " + startUpperCase( stripPrefix( elementType, "VULKAN_HPP_NAMESPACE::" ) ) + "Allocator";
}
enableIf += enableIf.empty() ? ", typename std::enable_if<" : " && ";
enableIf += "std::is_same<typename B" + index + "::value_type, " + extendedElementType + ">::value";
}
}
assert( !typenameCheck.empty() );
if ( !typenameCheck.empty() )
{
typenameCheck += enableIf + ", int>::type";
if ( !definition )
{
typenameCheck += " = 0";
}
}
}
return typenameCheck;
}
std::string VulkanHppGenerator::generateUnion( std::pair<std::string, StructureData> const & structure ) const
{
auto [enter, leave] = generateProtection( getProtectFromType( structure.first ) );
std::string unionName = stripPrefix( structure.first, "Vk" );
bool firstMember = true;
std::set<TypeInfo> listedTypes; // create just one constructor per different type !
std::string constructors;
for ( auto memberIt = structure.second.members.begin(); memberIt != structure.second.members.end(); ++memberIt )
{
if ( listedTypes.insert( memberIt->type ).second )
{
// VkBool32 is aliased to uint32_t. Don't create a VkBool32 constructor if the union also contains a
// uint32_t constructor.
if ( memberIt->type.type == "VkBool32" )
{
if ( findStructMemberItByType( "uint32_t", structure.second.members ) != structure.second.members.end() )
{
continue;
}
}
bool multipleType =
std::any_of( std::next( memberIt ), structure.second.members.end(), [memberIt]( MemberData const & member ) { return member.type == memberIt->type; } );
std::string memberType = ( memberIt->arraySizes.empty() )
? memberIt->type.compose( "VULKAN_HPP_NAMESPACE" )
: ( "const " + generateStandardArray( memberIt->type.compose( "VULKAN_HPP_NAMESPACE" ), memberIt->arraySizes ) + "&" );
// In a majority of cases this can be constexpr in C++11 as well, however, determining when exactly
// that is the case is a lot more involved and probably not worth it.
static const std::string constructorTemplate = R"(
VULKAN_HPP_CONSTEXPR_14 ${unionName}( ${memberType} ${argumentName}_${defaultAssignment} )
: ${memberName}( ${argumentName}_ )
{})";
constructors += ( firstMember ? "" : "\n" ) + replaceWithMap( constructorTemplate,
{ { "argumentName", multipleType ? generateName( memberIt->type ) : memberIt->name },
{ "defaultAssignment", firstMember ? " = {}" : "" },
{ "memberName", memberIt->name },
{ "memberType", memberType },
{ "unionName", stripPrefix( structure.first, "Vk" ) } } );
firstMember = false;
if ( !memberIt->arraySizes.empty() )
{
assert( !multipleType );
assert( memberIt->arraySizes.size() == 1 );
int size = std::stoi( memberIt->arraySizes[0] );
assert( std::to_string( size ) == memberIt->arraySizes[0] );
std::string arguments, callArguments;
bool firstArgument = true;
for ( int i = 0; i < size; i++ )
{
if ( !firstArgument )
{
arguments += ", ";
callArguments += ", ";
}
std::string argumentIndex = std::to_string( i );
arguments += memberIt->type.type + " " + memberIt->name + "_" + argumentIndex;
callArguments += memberIt->name + "_" + argumentIndex;
firstArgument = false;
}
static const std::string constructorBySequenceTemplate = R"(
VULKAN_HPP_CONSTEXPR ${unionName}( ${arguments} )
: ${memberName}{ { { ${callArguments} } } }
{})";
constructors += "\n" + replaceWithMap( constructorBySequenceTemplate,
{ { "arguments", arguments },
{ "callArguments", callArguments },
{ "memberName", memberIt->name },
{ "unionName", stripPrefix( structure.first, "Vk" ) } } );
}
}
}
// one setter per union element
std::string setters;
for ( size_t i = 0; i < structure.second.members.size(); i++ )
{
setters += generateStructSetter( stripPrefix( structure.first, "Vk" ), structure.second.members, i );
}
// filter out leading and trailing newline
setters = setters.substr( 1, setters.length() - 2 );
// the union member variables
std::string members;
// if there's at least one Vk... type in this union, check for unrestricted unions support
bool needsUnrestrictedUnions = std::any_of(
structure.second.members.begin(), structure.second.members.end(), []( MemberData const & member ) { return member.type.type.starts_with( "Vk" ); } );
if ( needsUnrestrictedUnions )
{
members += "#ifdef VULKAN_HPP_HAS_UNRESTRICTED_UNIONS\n";
}
for ( auto const & member : structure.second.members )
{
static const std::string memberTemplate = R"( ${memberType} ${memberName};
)";
members +=
replaceWithMap( memberTemplate,
{ { "memberName", member.name },
{ "memberType",
member.arraySizes.empty() ? member.type.compose( "VULKAN_HPP_NAMESPACE" )
: generateStandardArrayWrapper( member.type.compose( "VULKAN_HPP_NAMESPACE" ), member.arraySizes ) } } );
}
if ( needsUnrestrictedUnions )
{
members += "#else\n";
for ( auto const & member : structure.second.members )
{
static const std::string memberTemplate = R"( ${memberType} ${memberName}${arraySizes};
)";
members += replaceWithMap(
memberTemplate,
{ { "arraySizes", generateCArraySizes( member.arraySizes ) }, { "memberName", member.name }, { "memberType", member.type.compose( "" ) } } );
}
members += "#endif /*VULKAN_HPP_HAS_UNRESTRICTED_UNIONS*/\n";
}
static const std::string unionTemplate = R"(
${enter} union ${unionName}
{
using NativeType = Vk${unionName};
#if !defined( VULKAN_HPP_NO_UNION_CONSTRUCTORS )
${constructors}
#endif /*VULKAN_HPP_NO_UNION_CONSTRUCTORS*/
#if !defined( VULKAN_HPP_NO_UNION_SETTERS )
${setters}
#endif /*VULKAN_HPP_NO_UNION_SETTERS*/
operator Vk${unionName} const &() const
{
return *reinterpret_cast<const Vk${unionName}*>( this );
}
operator Vk${unionName} &()
{
return *reinterpret_cast<Vk${unionName}*>( this );
}
${members}
};
${leave})";
return replaceWithMap(
unionTemplate,
{ { "constructors", constructors }, { "enter", enter }, { "leave", leave }, { "members", members }, { "setters", setters }, { "unionName", unionName } } );
}
std::string VulkanHppGenerator::generateUniqueHandle( std::pair<std::string, HandleData> const & handleData ) const
{
if ( !handleData.second.deleteCommand.empty() )
{
std::string type = stripPrefix( handleData.first, "Vk" );
std::string aliasHandle;
auto aliasIt = findAlias( handleData.first, m_handleAliases );
if ( aliasIt != m_handleAliases.end() )
{
static const std::string aliasHandleTemplate = R"( using Unique${aliasType} = UniqueHandle<${type}, VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>;)";
aliasHandle += replaceWithMap( aliasHandleTemplate, { { "aliasType", stripPrefix( aliasIt->first, "Vk" ) }, { "type", type } } );
}
static const std::string uniqueHandleTemplate = R"( template <typename Dispatch>
class UniqueHandleTraits<${type}, Dispatch>
{
public:
using deleter = ${deleterType}${deleterAction}<${deleterParent}${deleterPool}, Dispatch>;
};
using Unique${type} = UniqueHandle<${type}, VULKAN_HPP_DEFAULT_DISPATCHER_TYPE>;
${aliasHandle})";
return replaceWithMap( uniqueHandleTemplate,
{ { "aliasHandle", aliasHandle },
{ "deleterAction", ( handleData.second.deleteCommand.substr( 2, 4 ) == "Free" ) ? "Free" : "Destroy" },
{ "deleterParent", handleData.second.destructorType.empty() ? "NoParent" : stripPrefix( handleData.second.destructorType, "Vk" ) },
{ "deleterPool", handleData.second.deletePool.empty() ? "" : ", " + stripPrefix( handleData.second.deletePool, "Vk" ) },
{ "deleterType", handleData.second.deletePool.empty() ? "Object" : "Pool" },
{ "type", type } } );
}
return "";
}
std::string VulkanHppGenerator::generateUniqueHandle( std::vector<RequireData> const & requireData, std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
str += generateUniqueHandle( *handleIt );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateUniqueHandles() const
{
std::string uniqueHandlesTemplate = R"(
#ifndef VULKAN_HPP_NO_SMART_HANDLE
//======================
//=== UNIQUE HANDLEs ===
//======================
${uniqueHandles}
#endif /*VULKAN_HPP_NO_SMART_HANDLE*/
)";
std::string uniqueHandles;
for ( auto const & feature : m_features )
{
uniqueHandles += generateUniqueHandle( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
uniqueHandles += generateUniqueHandle( extension.requireData, extension.name );
}
assert( uniqueHandles.back() == '\n' );
uniqueHandles.pop_back();
return replaceWithMap( uniqueHandlesTemplate, { { "uniqueHandles", uniqueHandles } } );
}
std::string VulkanHppGenerator::generateSharedHandle( std::pair<std::string, HandleData> const & handleData ) const
{
if ( !handleData.second.deleteCommand.empty() )
{
std::string type = stripPrefix( handleData.first, "Vk" );
std::string aliasHandle;
auto aliasIt = findAlias( handleData.first, m_handleAliases );
if ( aliasIt != m_handleAliases.end() )
{
static const std::string aliasHandleTemplate = R"( using Shared${aliasType} = SharedHandle<${type}>;)";
aliasHandle += replaceWithMap( aliasHandleTemplate, { { "aliasType", stripPrefix( aliasIt->first, "Vk" ) }, { "type", type } } );
}
static const std::string sharedHandleTemplate = R"( template <>
class SharedHandleTraits<${type}>
{
public:
using DestructorType = ${destructor};
using deleter = ${deleterType}${deleterAction}Shared<${type}${deleterPool}>;
};
using Shared${type} = SharedHandle<${type}>;
${aliasHandle})";
return replaceWithMap(
sharedHandleTemplate,
{ { "aliasHandle", aliasHandle },
{ "deleterAction", ( handleData.second.deleteCommand.substr( 2, 4 ) == "Free" ) ? "Free" : "Destroy" },
{ "deleterPool", handleData.second.deletePool.empty() ? "" : ", " + stripPrefix( handleData.second.deletePool, "Vk" ) },
{ "deleterType", handleData.second.deletePool.empty() ? "Object" : "Pool" },
{ "destructor", handleData.second.destructorType.empty() ? "NoDestructor" : stripPrefix( handleData.second.destructorType, "Vk" ) },
{ "type", type } } );
}
return "";
}
std::string VulkanHppGenerator::generateSharedHandleNoDestroy( std::pair<std::string, HandleData> const & handleData ) const
{
if ( handleData.second.deleteCommand.empty() )
{
std::string type = stripPrefix( handleData.first, "Vk" );
std::string aliasHandle;
auto aliasIt = findAlias( handleData.first, m_handleAliases );
if ( aliasIt != m_handleAliases.end() )
{
static const std::string aliasHandleTemplate = R"( using Shared${aliasType} = SharedHandle<${type}>;)";
aliasHandle += replaceWithMap( aliasHandleTemplate, { { "aliasType", stripPrefix( aliasIt->first, "Vk" ) }, { "type", type } } );
}
static const std::string sharedHandleTemplate = R"(
template <>
class SharedHandle<${type}> : public SharedHandleBaseNoDestroy<${type}, ${parent}>
{
friend SharedHandleBase<${type}, ${parent}>;
public:
SharedHandle() = default;
explicit SharedHandle(${type} handle, ${parent} parent) noexcept
: SharedHandleBaseNoDestroy<${type}, ${parent}>(handle, std::move(parent))
{}
};
using Shared${type} = SharedHandle<${type}>;
${aliasHandle})";
return replaceWithMap( sharedHandleTemplate,
{ { "aliasHandle", aliasHandle }, { "parent", "Shared" + stripPrefix( handleData.second.parent, "Vk" ) }, { "type", type } } );
}
return "";
}
std::string VulkanHppGenerator::generateSharedHandle( std::vector<RequireData> const & requireData, std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
str += generateSharedHandle( *handleIt );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateSharedHandleNoDestroy( std::vector<RequireData> const & requireData, std::string const & title ) const
{
std::string str;
for ( auto const & require : requireData )
{
for ( auto const & type : require.types )
{
auto handleIt = m_handles.find( type );
if ( handleIt != m_handles.end() )
{
str += generateSharedHandleNoDestroy( *handleIt );
}
}
}
return addTitleAndProtection( title, str );
}
std::string VulkanHppGenerator::generateSharedHandlesNoDestroy() const
{
std::string sharedHandles;
for ( auto const & feature : m_features )
{
sharedHandles += generateSharedHandleNoDestroy( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
sharedHandles += generateSharedHandleNoDestroy( extension.requireData, extension.name );
}
assert( sharedHandles.back() == '\n' );
sharedHandles.pop_back();
return sharedHandles;
}
std::string VulkanHppGenerator::generateSharedHandles() const
{
std::string sharedHandlesTemplate = R"(
//======================
//=== SHARED HANDLEs ===
//======================
${sharedHandles}
)";
std::string sharedHandles;
for ( auto const & feature : m_features )
{
sharedHandles += generateSharedHandle( feature.requireData, feature.name );
}
for ( auto const & extension : m_extensions )
{
sharedHandles += generateSharedHandle( extension.requireData, extension.name );
}
assert( sharedHandles.back() == '\n' );
sharedHandles.pop_back();
return replaceWithMap( sharedHandlesTemplate, { { "sharedHandles", sharedHandles } } );
}
std::string VulkanHppGenerator::generateVectorSizeCheck( std::string const & name,
CommandData const & commandData,
size_t initialSkipCount,
std::map<size_t, std::vector<size_t>> const & countToVectorMap,
std::set<size_t> const & skippedParams,
bool onlyThrows ) const
{
std::string const assertTemplate = " VULKAN_HPP_ASSERT( ${zeroSizeCheck}${firstVectorName}.size() == ${secondVectorName}.size() );";
std::string const assertTemplateVoid =
" VULKAN_HPP_ASSERT( ${zeroSizeCheck}${firstVectorName}.size() * sizeof( ${firstDataType} ) == ${secondVectorName}.size() * sizeof( ${secondDataType} ) );";
std::string const assertTemplateSingle = " VULKAN_HPP_ASSERT( ${vectorName}.size() == ${sizeValue} );";
std::string const throwTemplate =
R"#( if ( ${zeroSizeCheck}${firstVectorName}.size() != ${secondVectorName}.size() )
{
throw LogicError( VULKAN_HPP_NAMESPACE_STRING "::${className}::${commandName}: ${firstVectorName}.size() != ${secondVectorName}.size()" );
})#";
std::string const throwTemplateVoid =
R"#( if ( ${zeroSizeCheck}${firstVectorName}.size() * sizeof( ${firstDataType} ) != ${secondVectorName}.size() * sizeof( ${secondDataType} ) )
{
throw LogicError( VULKAN_HPP_NAMESPACE_STRING "::${className}::${commandName}: ${firstVectorName}.size() * sizeof( ${firstDataType} ) != ${secondVectorName}.size() * sizeof( ${secondDataType} )" );
})#";
std::string const throwTemplateSingle = R"#( if ( ${vectorName}.size() != ${sizeValue} )
{
throw LogicError( VULKAN_HPP_NAMESPACE_STRING "::${className}::${commandName}: ${vectorName}.size() != ${sizeValue}" );
})#";
std::string className = stripPrefix( commandData.params[initialSkipCount - 1].type.type, "Vk" );
std::string commandName = generateCommandName( name, commandData.params, initialSkipCount );
std::string assertions, throws;
for ( auto const & cvm : countToVectorMap )
{
size_t defaultStartIndex = determineDefaultStartIndex( commandData.params, skippedParams );
std::string firstVectorName = startLowerCase( stripPrefix( commandData.params[cvm.second[0]].name, "p" ) );
if ( cvm.second.size() == 1 )
{
std::string sizeValue;
if ( isLenByStructMember( commandData.params[cvm.second[0]].lenExpression, commandData.params[cvm.first] ) )
{
std::vector<std::string> lenParts = tokenize( commandData.params[cvm.second[0]].lenExpression, "->" );
assert( lenParts.size() == 2 );
sizeValue = startLowerCase( stripPrefix( lenParts[0], "p" ) ) + "." + lenParts[1];
}
else
{
assert( !commandData.params[cvm.second[0]].lenParams.empty() );
if ( commandData.params[cvm.first].type.type == "VkSampleCountFlagBits" )
{
assert( commandData.params[cvm.second[0]].lenExpression == "(" + commandData.params[cvm.second[0]].lenParams[0].first + " + 31) / 32" );
sizeValue = "( static_cast<uint32_t>( " + commandData.params[cvm.second[0]].lenParams[0].first + " ) + 31 ) / 32";
}
else
{
sizeValue = commandData.params[cvm.second[0]].lenExpression;
}
}
assertions += replaceWithMap( assertTemplateSingle, { { "sizeValue", sizeValue }, { "vectorName", firstVectorName } } );
throws += replaceWithMap( throwTemplateSingle,
{ { "className", className }, { "commandName", commandName }, { "sizeValue", sizeValue }, { "vectorName", firstVectorName } } );
}
else
{
for ( size_t i = 1; i < cvm.second.size(); i++ )
{
std::string secondVectorName = startLowerCase( stripPrefix( commandData.params[cvm.second[i]].name, "p" ) );
bool withZeroSizeCheck = commandData.params[cvm.second[i]].optional && ( defaultStartIndex <= cvm.second[i] );
if ( commandData.params[cvm.second[0]].type.type == "void" )
{
assert( commandData.params[cvm.second[i]].type.type == "void" );
std::string firstDataType = stripPrefix( commandData.params[cvm.second[0]].name, "p" ) + "Type";
std::string secondDataType = stripPrefix( commandData.params[cvm.second[i]].name, "p" ) + "Type";
assertions += replaceWithMap( assertTemplateVoid,
{ { "firstDataType", firstDataType },
{ "firstVectorName", firstVectorName },
{ "secondDataType", secondDataType },
{ "secondVectorName", secondVectorName },
{ "zeroSizeCheck", withZeroSizeCheck ? ( secondVectorName + ".empty() || " ) : "" } } );
throws += replaceWithMap( throwTemplateVoid,
{ { "firstDataType", firstDataType },
{ "firstVectorName", firstVectorName },
{ "className", className },
{ "commandName", commandName },
{ "secondDataType", secondDataType },
{ "secondVectorName", secondVectorName },
{ "zeroSizeCheck", withZeroSizeCheck ? ( "!" + secondVectorName + ".empty() && " ) : "" } } );
}
else
{
assertions += replaceWithMap( assertTemplate,
{ { "firstVectorName", firstVectorName },
{ "secondVectorName", secondVectorName },
{ "zeroSizeCheck", withZeroSizeCheck ? ( secondVectorName + ".empty() || " ) : "" } } );
throws += replaceWithMap( throwTemplate,
{ { "firstVectorName", firstVectorName },
{ "className", className },
{ "commandName", commandName },
{ "secondVectorName", secondVectorName },
{ "zeroSizeCheck", withZeroSizeCheck ? ( "!" + secondVectorName + ".empty() && " ) : "" } } );
}
if ( i + 1 < cvm.second.size() )
{
assertions += "\n";
throws += "\n";
}
}
}
}
std::string const sizeCheckTemplate =
R"(#ifdef VULKAN_HPP_NO_EXCEPTIONS
${assertions}
#else
${throws}
#endif /*VULKAN_HPP_NO_EXCEPTIONS*/)";
return onlyThrows ? throws : replaceWithMap( sizeCheckTemplate, { { "assertions", assertions }, { "throws", throws } } );
}
VulkanHppGenerator::CommandData const & VulkanHppGenerator::getCommandData( std::string const & command ) const
{
auto commandIt = m_commands.find( command );
if ( commandIt == m_commands.end() )
{
auto aliasIt = m_commandAliases.find( command );
assert( aliasIt != m_commandAliases.end() );
commandIt = m_commands.find( aliasIt->second.name );
assert( commandIt != m_commands.end() );
}
return commandIt->second;
}
std::pair<std::string, std::string> VulkanHppGenerator::getParentTypeAndName( std::pair<std::string, HandleData> const & handle ) const
{
std::string parentType, parentName;
if ( handle.first == "VkInstance" )
{
parentType = "Context";
parentName = "context";
}
else
{
bool skip = skipLeadingGrandParent( handle );
assert( !handle.second.constructorIts.empty() && ( ( skip ? 1u : 0u ) < handle.second.constructorIts.front()->second.params.size() ) );
auto const & param = handle.second.constructorIts.front()->second.params[skip ? 1 : 0];
assert( isHandleType( param.type.type ) && param.type.isValue() );
parentType = stripPrefix( param.type.type, "Vk" );
parentName = param.name;
}
return std::make_pair( parentType, parentName );
}
std::string VulkanHppGenerator::getPlatform( std::string const & title ) const
{
if ( !isSupportedFeature( title ) )
{
auto extensionIt = findSupportedExtension( title );
assert( extensionIt != m_extensions.end() );
return extensionIt->platform;
}
return "";
}
std::pair<std::string, std::string> VulkanHppGenerator::getPoolTypeAndName( std::string const & type ) const
{
auto structIt = m_structs.find( type );
assert( structIt != m_structs.end() );
auto memberIt = std::find_if(
structIt->second.members.begin(), structIt->second.members.end(), []( MemberData const & md ) { return md.name.find( "Pool" ) != std::string::npos; } );
assert( memberIt != structIt->second.members.end() );
assert( std::none_of(
std::next( memberIt ), structIt->second.members.end(), []( MemberData const & md ) { return md.name.find( "Pool" ) != std::string::npos; } ) );
return std::make_pair( memberIt->type.type, memberIt->name );
}
std::string VulkanHppGenerator::getProtectFromPlatform( std::string const & platform ) const
{
auto platformIt = m_platforms.find( platform );
return ( platformIt != m_platforms.end() ) ? platformIt->second.protect : "";
}
std::string VulkanHppGenerator::getProtectFromTitle( std::string const & title ) const
{
if ( !isSupportedFeature( title ) )
{
auto extensionIt = findSupportedExtension( title );
return ( extensionIt != m_extensions.end() ) ? getProtectFromPlatform( extensionIt->platform ) : "";
}
return "";
}
std::string VulkanHppGenerator::getProtectFromTitles( std::set<std::string> const & titles ) const
{
for ( auto titleIt = titles.begin(); titleIt != titles.end(); ++titleIt )
{
std::string protect = getProtectFromTitle( *titleIt );
if ( !protect.empty() )
{
#if !defined( NDEBUG )
for ( titleIt = std::next( titleIt ); titleIt != titles.end(); ++titleIt )
{
std::string p = getProtectFromTitle( *titleIt );
assert( p.empty() || ( p == protect ) );
}
#endif
return protect;
}
}
return "";
}
std::string VulkanHppGenerator::getProtectFromType( std::string const & type ) const
{
auto typeIt = m_types.find( type );
assert( typeIt != m_types.end() );
return getProtectFromTitles( typeIt->second.requiredBy );
}
std::string VulkanHppGenerator::getVectorSize( std::vector<ParamData> const & params,
std::map<size_t, VectorParamData> const & vectorParams,
size_t returnParam,
std::string const & returnParamType,
std::set<size_t> const & templatedParams ) const
{
std::string vectorSize;
std::vector<std::string> lenParts = tokenize( params[returnParam].lenExpression, "->" );
switch ( lenParts.size() )
{
case 1:
{
std::string const & len = lenParts[0];
size_t lenIdx =
std::distance( params.begin(), std::find_if( params.begin(), params.end(), [&len]( ParamData const & pd ) { return pd.name == len; } ) );
assert( lenIdx < params.size() );
// look for the len, not being the len of the return param, but of an other vector param
auto lenVectorParamIt =
std::find_if( vectorParams.begin(),
vectorParams.end(),
[&lenIdx, &returnParam]( auto const & vpi ) { return ( vpi.first != returnParam ) && ( vpi.second.lenParam == lenIdx ); } );
if ( lenVectorParamIt == vectorParams.end() )
{
vectorSize = lenParts[0];
if ( templatedParams.contains( returnParam ) )
{
vectorSize += " / sizeof( " + returnParamType + " )";
}
}
else
{
assert( !templatedParams.contains( returnParam ) );
vectorSize = startLowerCase( stripPrefix( params[lenVectorParamIt->first].name, "p" ) ) + ".size()";
}
}
break;
case 2:
assert( vectorParams.contains( returnParam ) );
vectorSize = startLowerCase( stripPrefix( lenParts[0], "p" ) ) + "." + lenParts[1];
break;
default: assert( false ); break;
}
assert( !vectorSize.empty() );
return vectorSize;
}
void VulkanHppGenerator::handleRemoval( RemoveData const & removeData )
{
for ( auto const & command : removeData.commands )
{
bool removed = false;
auto commandIt = m_commands.find( command );
if ( commandIt == m_commands.end() )
{
auto aliasIt = m_commandAliases.find( command );
assert( aliasIt != m_commandAliases.end() );
commandIt = m_commands.find( aliasIt->second.name );
assert( commandIt != m_commands.end() );
}
for ( auto const & requiredBy : commandIt->second.requiredBy )
{
auto featureIt = std::find_if( m_features.begin(), m_features.end(), [&requiredBy]( FeatureData const & fd ) { return fd.name == requiredBy; } );
if ( featureIt != m_features.end() )
{
removed |= handleRemovalCommand( command, featureIt->requireData );
}
else
{
auto extensionIt =
std::find_if( m_extensions.begin(), m_extensions.end(), [&requiredBy]( ExtensionData const & ed ) { return ed.name == requiredBy; } );
if ( extensionIt != m_extensions.end() )
{
removed |= handleRemovalCommand( command, extensionIt->requireData );
}
else
{
assert( m_unsupportedExtensions.contains( requiredBy ) );
removed = true;
}
}
}
checkForError( removed, commandIt->second.xmlLine, "to be removed command <" + commandIt->first + "> could not be removed" );
}
for ( auto const & e : removeData.enums )
{
bool removed = false;
for ( auto enumIt = m_enums.begin(); !removed && enumIt != m_enums.end(); ++enumIt )
{
auto valueIt = std::find_if( enumIt->second.values.begin(), enumIt->second.values.end(), [&e]( EnumValueData const evd ) { return evd.name == e; } );
if ( valueIt != enumIt->second.values.end() )
{
enumIt->second.values.erase( valueIt );
removed = true;
}
}
checkForError( removed, 0, "to be removed enum value <" + e + "> could not be removed" );
}
for ( auto const & type : removeData.types )
{
auto typeIt = m_types.find( type );
assert( typeIt != m_types.end() );
bool removed = typeIt->second.requiredBy.empty();
for ( auto const & requiredBy : typeIt->second.requiredBy )
{
auto featureIt = std::find_if( m_features.begin(), m_features.end(), [&requiredBy]( FeatureData const & fd ) { return fd.name == requiredBy; } );
if ( featureIt != m_features.end() )
{
removed |= handleRemovalType( type, featureIt->requireData );
}
else
{
auto extensionIt =
std::find_if( m_extensions.begin(), m_extensions.end(), [&requiredBy]( ExtensionData const & ed ) { return ed.name == requiredBy; } );
if ( extensionIt != m_extensions.end() )
{
removed |= handleRemovalType( type, extensionIt->requireData );
}
else
{
assert( m_unsupportedExtensions.contains( requiredBy ) );
removed = true;
}
}
}
checkForError( removed, typeIt->second.xmlLine, "to be removed type <" + typeIt->first + "> could not be removed" );
}
}
bool VulkanHppGenerator::handleRemovalCommand( std::string const & command, std::vector<RequireData> & requireData )
{
bool removed = false;
for ( auto requireDataIt = requireData.begin(); !removed && ( requireDataIt != requireData.end() ); ++requireDataIt )
{
auto requireCommandIt = std::find( requireDataIt->commands.begin(), requireDataIt->commands.end(), command );
if ( requireCommandIt != requireDataIt->commands.end() )
{
assert( std::none_of( std::next( requireCommandIt ),
requireDataIt->commands.end(),
[&command]( std::string const & requireCommand ) { return requireCommand == command; } ) );
requireDataIt->commands.erase( requireCommandIt );
assert( !requireDataIt->commands.empty() || !requireDataIt->types.empty() );
removed = true;
#if !defined( NDEBUG )
for ( auto it = std::next( requireDataIt ); it != requireData.end(); ++it )
{
assert(
std::none_of( it->commands.begin(), it->commands.end(), [&command]( std::string const & requireCommand ) { return requireCommand == command; } ) );
}
#endif
}
}
return removed;
}
void VulkanHppGenerator::handleRemovals()
{
for ( auto const & feature : m_features )
{
for ( auto const & removeData : feature.removeData )
{
handleRemoval( removeData );
}
}
}
bool VulkanHppGenerator::handleRemovalType( std::string const & type, std::vector<RequireData> & requireData )
{
bool removed = false;
for ( auto requireDataIt = requireData.begin(); !removed && ( requireDataIt != requireData.end() ); )
{
auto requireTypeIt = std::find( requireDataIt->types.begin(), requireDataIt->types.end(), type );
if ( requireTypeIt != requireDataIt->types.end() )
{
assert(
std::none_of( std::next( requireTypeIt ), requireDataIt->types.end(), [&type]( std::string const & requireType ) { return requireType == type; } ) );
requireDataIt->types.erase( requireTypeIt );
requireDataIt = ( requireDataIt->commands.empty() && requireDataIt->types.empty() ) ? requireData.erase( requireDataIt ) : std::next( requireDataIt );
removed = true;
#if !defined( NDEBUG )
for ( auto it = std::next( requireDataIt ); it != requireData.end(); ++it )
{
assert( std::none_of( it->types.begin(), it->types.end(), [&type]( std::string const & requireType ) { return requireType == type; } ) );
}
#endif
}
else
{
requireDataIt = std::next( requireDataIt );
}
}
return removed;
}
bool VulkanHppGenerator::hasLen( MemberData const & memberData ) const
{
assert( memberData.lenMembers.size() <= memberData.lenExpressions.size() );
return !memberData.lenMembers.empty() && ( ( memberData.lenExpressions[0] == memberData.lenMembers[0].first ) ||
( memberData.lenExpressions[0] == ( memberData.lenMembers[0].first + " / 4" ) ) );
}
bool VulkanHppGenerator::hasParentHandle( std::string const & handle, std::string const & parent ) const
{
std::string candidate = handle;
while ( !candidate.empty() )
{
auto const & handleIt = m_handles.find( candidate );
assert( handleIt != m_handles.end() );
if ( handleIt->second.parent == parent )
{
return true;
}
else
{
candidate = handleIt->second.parent;
}
}
return false;
}
bool VulkanHppGenerator::isDeviceCommand( CommandData const & commandData ) const
{
return !commandData.handle.empty() && !commandData.params.empty() && m_handles.contains( commandData.params[0].type.type ) &&
( commandData.params[0].type.type != "VkInstance" ) && ( commandData.params[0].type.type != "VkPhysicalDevice" );
}
bool VulkanHppGenerator::isExtension( std::string const & name ) const
{
return isSupportedExtension( name ) || m_unsupportedExtensions.contains( name );
}
bool VulkanHppGenerator::isFeature( std::string const & name ) const
{
return isSupportedFeature( name ) || m_unsupportedFeatures.contains( name );
}
bool VulkanHppGenerator::isHandleType( std::string const & type ) const
{
if ( type.starts_with( "Vk" ) )
{
auto it = m_handles.find( type );
if ( it == m_handles.end() )
{
auto aliasIt = m_handleAliases.find( type );
if ( aliasIt != m_handleAliases.end() )
{
it = m_handles.find( aliasIt->second.name );
assert( it != m_handles.end() );
}
}
return ( it != m_handles.end() );
}
return false;
}
bool VulkanHppGenerator::isLenByStructMember( std::string const & name, std::vector<ParamData> const & params ) const
{
// check if name specifies a member of a struct
std::vector<std::string> nameParts = tokenize( name, "->" );
if ( nameParts.size() == 1 )
{
// older versions of vk.xml used the notation parameter::member
nameParts = tokenize( name, "::" );
}
if ( nameParts.size() == 2 )
{
auto paramIt = std::find_if( params.begin(), params.end(), [&n = nameParts[0]]( ParamData const & pd ) { return pd.name == n; } );
if ( paramIt != params.end() )
{
#if !defined( NDEBUG )
auto structureIt = m_structs.find( paramIt->type.type );
assert( structureIt != m_structs.end() );
assert( isStructMember( nameParts[1], structureIt->second.members ) );
#endif
return true;
}
}
return false;
}
bool VulkanHppGenerator::isLenByStructMember( std::string const & name, ParamData const & param ) const
{
// check if name specifies a member of a struct
std::vector<std::string> nameParts = tokenize( name, "->" );
if ( nameParts.size() == 1 )
{
// older versions of vk.xml used the notation parameter::member
nameParts = tokenize( name, "::" );
}
if ( ( nameParts.size() == 2 ) && ( nameParts[0] == param.name ) )
{
#if !defined( NDEBUG )
auto structureIt = m_structs.find( param.type.type );
assert( structureIt != m_structs.end() );
assert( isStructMember( nameParts[1], structureIt->second.members ) );
#endif
return true;
}
return false;
}
bool VulkanHppGenerator::isMultiSuccessCodeConstructor( std::vector<std::map<std::string, CommandData>::const_iterator> const & constructorIts ) const
{
bool ok = !constructorIts.empty();
if ( ok )
{
auto constructorIt = constructorIts.begin();
ok = ( 2 < ( *constructorIt )->second.successCodes.size() ) ||
( ( ( *constructorIt )->second.successCodes.size() == 2 ) && ( ( *constructorIt )->second.successCodes[1] != "VK_INCOMPLETE" ) );
#if !defined( NDEBUG )
for ( constructorIt = std::next( constructorIt ); constructorIt != constructorIts.end(); ++constructorIt )
{
assert( ok == ( 2 < ( *constructorIt )->second.successCodes.size() ) ||
( ( ( *constructorIt )->second.successCodes.size() == 2 ) && ( ( *constructorIt )->second.successCodes[1] != "VK_INCOMPLETE" ) ) );
}
#endif
}
return ok;
}
bool VulkanHppGenerator::isParam( std::string const & name, std::vector<ParamData> const & params ) const
{
return findParamIt( name, params ) != params.end();
}
bool VulkanHppGenerator::isStructMember( std::string const & name, std::vector<MemberData> const & memberData ) const
{
return findStructMemberIt( name, memberData ) != memberData.end();
}
bool VulkanHppGenerator::isStructureChainAnchor( std::string const & type ) const
{
if ( type.starts_with( "Vk" ) )
{
auto it = m_structs.find( type );
if ( it == m_structs.end() )
{
auto aliasIt = m_structAliases.find( type );
if ( aliasIt != m_structAliases.end() )
{
it = m_structs.find( aliasIt->second.name );
}
}
if ( it != m_structs.end() )
{
return m_extendedStructs.contains( it->first );
}
}
return false;
}
bool VulkanHppGenerator::isSupported( std::set<std::string> const & requiredBy ) const
{
for ( auto const & r : requiredBy )
{
if ( isSupportedFeature( r ) || isSupportedExtension( r ) )
{
return true;
}
else
{
assert( m_unsupportedFeatures.contains( r ) || m_unsupportedExtensions.contains( r ) );
}
}
return false;
}
bool VulkanHppGenerator::isSupportedExtension( std::string const & name ) const
{
return std::any_of( m_extensions.begin(), m_extensions.end(), [&name]( ExtensionData const & ed ) { return ed.name == name; } );
}
bool VulkanHppGenerator::isSupportedFeature( std::string const & name ) const
{
return std::any_of( m_features.begin(), m_features.end(), [&name]( FeatureData const & fd ) { return fd.name == name; } );
}
bool VulkanHppGenerator::isTypeRequired( std::string const & type ) const
{
auto typeIt = m_types.find( type );
assert( typeIt != m_types.end() );
return !typeIt->second.requiredBy.empty();
}
bool VulkanHppGenerator::isTypeUsed( std::string const & type ) const
{
auto typeIt = m_types.find( type );
assert( typeIt != m_types.end() );
for ( auto const & require : typeIt->second.requiredBy )
{
auto featureIt = findFeature( require );
if ( featureIt != m_features.end() )
{
for ( auto const & r : featureIt->requireData )
{
if ( std::any_of( r.types.begin(), r.types.end(), [&type]( std::string const & requireType ) { return requireType == type; } ) )
{
return true;
}
}
}
else
{
auto extensionIt = findSupportedExtension( require );
if ( extensionIt != m_extensions.end() )
{
for ( auto const & r : extensionIt->requireData )
{
if ( std::any_of( r.types.begin(), r.types.end(), [&type]( std::string const & requireType ) { return requireType == type; } ) )
{
return true;
}
}
}
}
}
return false;
}
bool VulkanHppGenerator::needsStructureChainResize( std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & chainedReturnParams ) const
{
auto it = std::find_if( chainedReturnParams.begin(), chainedReturnParams.end(), [&vectorParams]( size_t crp ) { return vectorParams.contains( crp ); } );
// assert that there's no other chained vector param !
assert( ( it == chainedReturnParams.end() ) ||
std::none_of( std::next( it ), chainedReturnParams.end(), [&vectorParams]( size_t crp ) { return vectorParams.contains( crp ); } ) );
return ( it != chainedReturnParams.end() );
}
std::pair<bool, std::map<size_t, std::vector<size_t>>> VulkanHppGenerator::needsVectorSizeCheck( std::vector<ParamData> const & params,
std::map<size_t, VectorParamData> const & vectorParams,
std::vector<size_t> const & returnParams,
std::set<size_t> const & singularParams,
std::set<size_t> const & skippedParams ) const
{
std::map<size_t, std::vector<size_t>> countToVectorMap;
for ( auto const & vpi : vectorParams )
{
if ( ( vpi.second.lenParam != INVALID_INDEX ) &&
std::none_of( returnParams.begin(), returnParams.end(), [&vpi]( size_t rp ) { return rp == vpi.first; } ) &&
( !singularParams.contains( vpi.second.lenParam ) || isLenByStructMember( params[vpi.first].lenExpression, params[vpi.second.lenParam] ) ) )
{
countToVectorMap[vpi.second.lenParam].push_back( vpi.first );
}
}
return std::make_pair( std::any_of( countToVectorMap.begin(),
countToVectorMap.end(),
[this, &params, &skippedParams]( auto const & cvm )
{
return ( 1 < cvm.second.size() ) || isLenByStructMember( params[cvm.second[0]].lenExpression, params[cvm.first] ) ||
std::none_of( params[cvm.second[0]].lenParams.begin(),
params[cvm.second[0]].lenParams.end(),
[&skippedParams]( std::pair<std::string, size_t> const & lenParam )
{ return skippedParams.contains( lenParam.second ); } );
} ),
countToVectorMap );
}
void VulkanHppGenerator::readCommand( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
auto aliasIt = attributes.find( "alias" );
if ( aliasIt != attributes.end() )
{
checkAttributes( line, attributes, { { "alias", {} }, { "name", {} } }, {} );
std::string alias = aliasIt->second;
std::string name = attributes.find( "name" )->second;
checkForError( name.starts_with( "vk" ), line, "name <" + name + "> should begin with \"vk\"" );
checkForError( m_commands.contains( alias ), line, "command <" + name + "> is aliased to unknown command <" + alias + ">" );
checkForError( m_commandAliases.insert( { name, { alias, line } } ).second, line, "command <" + name + "> already specified as alias" );
}
else
{
checkAttributes( line,
attributes,
{},
{ { "api", { "vulkan", "vulkansc" } },
{ "cmdbufferlevel", { "primary", "secondary" } },
{ "comment", {} },
{ "errorcodes", {} },
{ "queues", { "compute", "decode", "encode", "graphics", "opticalflow", "sparse_binding", "transfer" } },
{ "renderpass", { "both", "inside", "outside" } },
{ "successcodes", {} },
{ "tasks", { "action", "indirection", "state", "synchronization" } },
{ "videocoding", { "both", "inside", "outside" } } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "param", false }, { "proto", true } }, { "implicitexternsyncparams" } );
CommandData commandData;
commandData.xmlLine = line;
std::string api;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "errorcodes" )
{
commandData.errorCodes = tokenize( attribute.second, "," );
// errorCodes are checked in checkCorrectness after complete reading
}
else if ( attribute.first == "successcodes" )
{
commandData.successCodes = tokenize( attribute.second, "," );
// successCodes are checked in checkCorrectness after complete reading
}
}
std::string name;
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "param" )
{
std::pair<bool, ParamData> result = readCommandParam( child, commandData.params );
if ( result.first )
{
commandData.params.push_back( result.second );
}
}
else if ( value == "proto" )
{
std::tie( name, commandData.returnType ) = readCommandProto( child );
}
}
for ( auto & param : commandData.params )
{
for ( auto & lenParam : param.lenParams )
{
auto paramIt = findParamIt( lenParam.first, commandData.params );
checkForError( paramIt != commandData.params.end(),
param.xmlLine,
"param <" + param.name + "> uses unknown len parameter <" + lenParam.first + "> in its \"altlen\" attribute <" + param.lenExpression +
">" );
lenParam.second = std::distance( commandData.params.cbegin(), paramIt );
}
if ( !param.strideParam.first.empty() )
{
auto paramIt = findParamIt( param.strideParam.first, commandData.params );
checkForError(
paramIt != commandData.params.end(), param.xmlLine, "param <" + param.name + "> uses unknown stride parameter <" + param.strideParam.first + ">" );
param.strideParam.second = std::distance( commandData.params.cbegin(), paramIt );
}
}
assert( !name.empty() );
checkForError( ( commandData.returnType == "VkResult" ) || commandData.errorCodes.empty(),
line,
"command <" + name + "> does not return a VkResult but specifies errorcodes" );
checkForError( ( commandData.returnType == "VkResult" ) || commandData.successCodes.empty(),
line,
"command <" + name + "> does not return a VkResult but specifies successcodes" );
if ( api.empty() || ( api == m_api ) )
{
checkForError( !m_commands.contains( name ), line, "command <" + name + "> already specified" );
addCommand( name, commandData );
}
}
}
std::pair<bool, VulkanHppGenerator::ParamData> VulkanHppGenerator::readCommandParam( tinyxml2::XMLElement const * element,
std::vector<ParamData> const & params )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line,
attributes,
{},
{ { "altlen", {} },
{ "api", { "vulkan", "vulkansc" } },
{ "externsync", {} },
{ "len", {} },
{ "noautovalidity", { "true" } },
{ "objecttype", { "objectType" } },
{ "optional", { "false", "true" } },
{ "stride", {} },
{ "validstructs", {} } } );
ParamData paramData;
paramData.xmlLine = line;
std::string api;
for ( auto attribute : attributes )
{
if ( attribute.first == "altlen" )
{
assert( paramData.lenExpression.empty() );
paramData.lenExpression = attribute.second;
paramData.lenParams = filterNumbers( tokenizeAny( attribute.second, " /()+" ) );
}
else if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "len" )
{
if ( paramData.lenExpression.empty() )
{
paramData.lenExpression = attribute.second;
auto paramIt = findParamIt( attribute.second, params );
if ( paramIt != params.end() )
{
paramData.lenParams.push_back( { attribute.second, std::distance( params.cbegin(), paramIt ) } );
}
else
{
checkForError( ( attribute.second == "null-terminated" ) || isLenByStructMember( attribute.second, params ),
line,
"attribute <len> holds an unknown value <" + attribute.second + ">" );
}
}
}
else if ( attribute.first == "stride" )
{
paramData.strideParam.first = attribute.second;
}
else if ( attribute.first == "optional" )
{
paramData.optional = ( attribute.second == "true" );
}
else if ( attribute.first == "validstructs" )
{
std::vector<std::string> validStructs = tokenize( attribute.second, "," );
for ( auto const & vs : validStructs )
{
checkForError( m_structs.contains( vs ), line, "unknown struct <" + vs + "> listed in attribute <validstructs>" );
}
}
}
NameData nameData;
std::tie( nameData, paramData.type ) = readNameAndType( element );
checkForError( m_types.contains( paramData.type.type ), line, "unknown type <" + paramData.type.type + ">" );
checkForError( paramData.type.prefix.empty() || ( paramData.type.prefix == "const" ) || ( paramData.type.prefix == "const struct" ) ||
( paramData.type.prefix == "struct" ),
line,
"unexpected type prefix <" + paramData.type.prefix + ">" );
checkForError( paramData.type.postfix.empty() || ( paramData.type.postfix == "*" ) || ( paramData.type.postfix == "**" ) ||
( paramData.type.postfix == "* const *" ),
line,
"unexpected type postfix <" + paramData.type.postfix + ">" );
paramData.name = nameData.name;
paramData.arraySizes = nameData.arraySizes;
if ( api.empty() || ( api == m_api ) )
{
checkForError( std::none_of( params.begin(), params.end(), [&name = nameData.name]( ParamData const & pd ) { return pd.name == name; } ),
line,
"command param <" + nameData.name + "> already used" );
}
return std::make_pair( api.empty() || ( api == m_api ), paramData );
}
std::pair<std::string, std::string> VulkanHppGenerator::readCommandProto( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), {}, {} );
auto [nameData, typeInfo] = readNameAndType( element );
checkForError( nameData.name.starts_with( "vk" ), line, "name <" + nameData.name + "> does not begin with <vk>" );
checkForError( nameData.arraySizes.empty(), line, "name <" + nameData.name + "> with unsupported arraySizes" );
checkForError( m_types.contains( typeInfo.type ), line, "unknown type <" + typeInfo.type + ">" );
checkForError( typeInfo.prefix.empty(), line, "unexpected type prefix <" + typeInfo.prefix + ">" );
checkForError( typeInfo.postfix.empty(), line, "unexpected type postfix <" + typeInfo.postfix + ">" );
return std::make_pair( nameData.name, typeInfo.type );
}
void VulkanHppGenerator::readCommands( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), {}, { { "comment", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "command", false } } );
for ( auto child : children )
{
readCommand( child );
}
}
void VulkanHppGenerator::readEnums( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, { { "bitwidth", { "64" } }, { "comment", {} }, { "type", { "bitmask", "enum" } } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
std::string bitwidth, name, type;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "bitwidth" )
{
bitwidth = attribute.second;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "type" )
{
type = attribute.second;
}
}
assert( !name.empty() );
if ( name == "API Constants" )
{
checkElements( line, children, { { "enum", false } }, {} );
for ( auto const & child : children )
{
readEnumsConstants( child );
}
}
else
{
checkElements( line, children, {}, { "comment", "enum", "unused" } );
checkForError( !type.empty(), line, "enum without type" );
// get the EnumData entry in enum map
auto enumIt = m_enums.find( name );
if ( enumIt == m_enums.end() )
{
auto aliasIt = m_enumAliases.find( name );
if ( aliasIt != m_enumAliases.end() )
{
enumIt = m_enums.find( aliasIt->second.name );
}
}
checkForError( enumIt != m_enums.end(), line, "enum <" + name + "> is not listed as enum in the types section" );
checkForError( enumIt->second.values.empty(), line, "enum <" + name + "> already holds values" );
// mark it as a bitmask, if it is one
bool bitmask = ( type == "bitmask" );
if ( bitmask )
{
checkForError( name.find( "FlagBits" ) != std::string::npos, line, "bitmask <" + name + "> does not contain \"FlagBits\"" );
}
enumIt->second.isBitmask = bitmask;
enumIt->second.bitwidth = bitwidth;
// read the names of the enum values
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "enum" )
{
readEnumsEnum( child, enumIt );
}
}
}
}
void VulkanHppGenerator::readEnumsConstants( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkElements( line, getChildElements( element ), {} );
auto aliasIt = attributes.find( "alias" );
if ( aliasIt != attributes.end() )
{
checkAttributes( line, attributes, { { "alias", {} }, { "name", {} } }, {} );
std::string alias = aliasIt->second;
std::string name = attributes.find( "name" )->second;
checkForError( m_constants.contains( alias ), line, "enum <" + name + "> is an alias of an unknown enum <" + alias + ">." );
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Constant, {}, line } } ).second, line, "enum <" + name + "> already specified" );
assert( !m_constantAliases.contains( name ) );
m_constantAliases[name] = { alias, line };
}
else
{
// checkAttributes( line, attributes, { { "name", {} }, { "value", {} } }, { { "type", {} }, { "comment", {} } } );
checkAttributes( line, attributes, { { "name", {} }, { "type", {} }, { "value", {} } }, { { "comment", {} } } );
std::string alias, name, type, value;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "name" )
{
name = attribute.second;
checkForError( !m_constants.contains( name ), line, "already specified enum constant <" + name + ">" );
}
else if ( attribute.first == "type" )
{
type = attribute.second;
}
else if ( attribute.first == "value" )
{
value = attribute.second;
}
}
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Constant, {}, line } } ).second, line, "enum <" + name + "> already specified" );
assert( !m_constants.contains( name ) );
m_constants[name] = { type, value, line };
}
}
void VulkanHppGenerator::readEnumsEnum( tinyxml2::XMLElement const * element, std::map<std::string, EnumData>::iterator enumIt )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
if ( attributes.contains( "alias" ) )
{
checkAttributes(
line, attributes, { { "alias", {} }, { "name", {} } }, { { "api", { "vulkan", "vulkansc" } }, { "comment", {} }, { "deprecated", { "aliased" } } } );
checkElements( line, getChildElements( element ), {} );
std::string alias, api, bitpos, name, value;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "alias" )
{
alias = attribute.second;
}
else if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "deprecated" )
{
// the enum value is marked as deprecated/aliased but still exisits -> no modifications needed here
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
}
assert( !name.empty() );
if ( api.empty() || ( api == m_api ) )
{
enumIt->second.addEnumAlias( line, name, alias, "", true );
}
}
else
{
checkAttributes( line, attributes, { { "name", {} } }, { { "bitpos", {} }, { "comment", {} }, { "value", {} } } );
checkElements( line, getChildElements( element ), {} );
std::string alias, bitpos, name, value;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "bitpos" )
{
bitpos = attribute.second;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "value" )
{
value = attribute.second;
}
}
std::string prefix = generateEnumSuffixes( enumIt->first, enumIt->second.isBitmask ).first;
checkForError( name.starts_with( prefix ), line, "encountered enum value <" + name + "> that does not begin with expected prefix <" + prefix + ">" );
checkForError( bitpos.empty() ^ value.empty(), line, "both or none of \"bitpos\" and \"value\" are set for enum <" + name + "> which is invalid" );
enumIt->second.addEnumValue( line, name, "", bitpos, value, true );
}
}
void VulkanHppGenerator::readExtensionRequire( tinyxml2::XMLElement const * element, ExtensionData & extensionData, bool extensionSupported )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, {}, { { "api", { "vulkansc" } }, { "comment", {} }, { "depends", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "command", "comment", "enum", "type" } );
RequireData requireData{ .xmlLine = line };
std::string api;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "depends" )
{
assert( requireData.depends.empty() );
requireData.depends = attribute.second;
checkForError( std::none_of( extensionData.requireData.begin(),
extensionData.requireData.end(),
[&requireData]( RequireData const & rd ) { return rd.depends == requireData.depends; } ),
line,
"required extension <" + requireData.depends + "> already listed" );
}
}
bool requireSupported = api.empty() || ( api == m_api );
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "command" )
{
requireData.commands.push_back( readRequireCommand( child, extensionData.name ) );
}
else if ( value == "enum" )
{
readRequireEnum( child, extensionData.name, extensionData.platform, extensionSupported && requireSupported, requireData );
}
else if ( value == "type" )
{
requireData.types.push_back( readRequireType( child, extensionData.name ) );
}
}
if ( requireSupported && ( !requireData.commands.empty() || !requireData.types.empty() || !requireData.enumConstants.empty() ) )
{
extensionData.requireData.push_back( requireData );
}
}
void VulkanHppGenerator::readExtensions( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "extension", false } } );
for ( auto child : children )
{
readExtension( child );
}
}
void VulkanHppGenerator::readExtension( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkAttributes( line,
attributes,
{ { "name", {} }, { "number", {} }, { "supported", { "disabled", "vulkan", "vulkansc" } } },
{ { "author", {} },
{ "comment", {} },
{ "contact", {} },
{ "depends", {} },
{ "deprecatedby", {} },
{ "obsoletedby", {} },
{ "platform", {} },
{ "promotedto", {} },
{ "provisional", { "true" } },
{ "ratified", { "vulkan", "vulkansc" } },
{ "sortorder", { "1" } },
{ "specialuse", { "cadsupport", "d3demulation", "debugging", "devtools", "glemulation" } },
{ "type", { "device", "instance" } } } );
checkElements( line, children, { { "require", false } } );
ExtensionData extensionData{ .xmlLine = line };
for ( auto const & attribute : attributes )
{
if ( attribute.first == "depends" )
{
// currently, we map the few complex depends attributes to a canonical format!
const std::map<std::string, std::string> complexToCanonicalDepends = {
{ "(VK_EXT_filter_cubic)+(VK_VERSION_1_2,VK_EXT_sampler_filter_minmax)",
"VK_EXT_filter_cubic+VK_EXT_sampler_filter_minmax,VK_VERSION_1_2+VK_EXT_filter_cubic" },
{ "VK_KHR_swapchain+VK_KHR_get_surface_capabilities2+(VK_KHR_get_physical_device_properties2,VK_VERSION_1_1)",
"VK_KHR_swapchain+VK_KHR_get_surface_capabilities2+VK_KHR_get_physical_device_properties2,VK_VERSION_1_1+VK_KHR_swapchain+VK_KHR_get_surface_capabilities2" },
{ "((VK_KHR_bind_memory2+VK_KHR_get_physical_device_properties2+VK_KHR_sampler_ycbcr_conversion),VK_VERSION_1_1)+(VK_KHR_image_format_list,VK_VERSION_1_2)",
"VK_KHR_bind_memory2+VK_KHR_get_physical_device_properties2+VK_KHR_sampler_ycbcr_conversion+VK_KHR_image_format_list,VK_VERSION_1_1+VK_KHR_image_format_list,VK_VERSION_1_2" },
{ "VK_KHR_swapchain+(VK_KHR_maintenance2,VK_VERSION_1_1)+(VK_KHR_image_format_list,VK_VERSION_1_2)",
"VK_KHR_swapchain+VK_KHR_maintenance2+VK_KHR_image_format_list,VK_VERSION_1_1+VK_KHR_swapchain+VK_KHR_image_format_list,VK_VERSION_1_2+VK_KHR_swapchain" },
{ "(VK_KHR_create_renderpass2,VK_VERSION_1_2)+(VK_KHR_get_physical_device_properties2,VK_VERSION_1_1)",
"VK_KHR_create_renderpass2+VK_KHR_get_physical_device_properties2,VK_VERSION_1_1+VK_KHR_create_renderpass2,VK_VERSION_1_2" },
{ "(VK_KHR_get_physical_device_properties2+VK_KHR_device_group),VK_VERSION_1_1",
"VK_KHR_get_physical_device_properties2+VK_KHR_device_group,VK_VERSION_1_1" },
{ "(VK_KHR_get_physical_device_properties2,VK_VERSION_1_1)+(VK_KHR_dynamic_rendering,VK_VERSION_1_3)",
"VK_KHR_get_physical_device_properties2+VK_KHR_dynamic_rendering,VK_VERSION_1_1+VK_KHR_dynamic_rendering,VK_VERSION_1_3" }
};
auto canonicalIt = complexToCanonicalDepends.find( attribute.second );
std::string depends;
if ( canonicalIt == complexToCanonicalDepends.end() )
{
depends = attribute.second;
std::erase_if( depends, []( char c ) { return ( c == '(' ) || ( c == ')' ); } );
}
else
{
depends = canonicalIt->second;
}
// first tokenize by ',', giving a vector of dependencies for different vulkan versions
std::vector<std::string> allDependencies = tokenize( depends, "," );
for ( auto dep : allDependencies )
{
// for ease of handling, prepend the (optional) VK_VERSION_1_0
if ( !dep.starts_with( "VK_VERSION" ) )
{
assert( dep.find( "VK_VERSION" ) == std::string::npos );
dep = "VK_VERSION_1_0+" + dep;
}
// then tokenize by '+', giving a vector of dependendies for the vulkan version listed as the first element here
std::vector<std::string> dependsByVersion = tokenize( dep, "+" );
extensionData.depends[dependsByVersion[0]].push_back( { std::next( dependsByVersion.begin() ), dependsByVersion.end() } );
}
}
else if ( attribute.first == "deprecatedby" )
{
extensionData.deprecatedBy = attribute.second;
extensionData.isDeprecated = true;
}
else if ( attribute.first == "name" )
{
extensionData.name = attribute.second;
checkForError( !isExtension( extensionData.name ), line, "already encountered extension <" + extensionData.name + ">" );
}
else if ( attribute.first == "number" )
{
extensionData.number = attribute.second;
}
else if ( attribute.first == "obsoletedby" )
{
extensionData.obsoletedBy = attribute.second;
}
else if ( attribute.first == "platform" )
{
extensionData.platform = attribute.second;
checkForError( m_platforms.contains( extensionData.platform ), line, "unknown platform <" + extensionData.platform + ">" );
}
else if ( attribute.first == "promotedto" )
{
extensionData.promotedTo = attribute.second;
}
else if ( attribute.first == "provisional" )
{
if ( extensionData.platform.empty() )
{
// for now, having the attribute provisional="true" implies attribute platform="provisional" to get
// stuff protected by VK_ENABLE_BETA_EXTENSIONS
extensionData.platform = "provisional";
}
checkForError( extensionData.platform == "provisional",
line,
"while attribute <provisional> is set to \"true\", attribute <platform> is not set to \"provisional\" but to \"" + extensionData.platform +
"\"" );
}
else if ( attribute.first == "ratified" )
{
extensionData.ratified = tokenize( attribute.second, "," );
}
else if ( attribute.first == "supported" )
{
extensionData.supported = tokenize( attribute.second, "," );
}
else if ( attribute.first == "type" )
{
extensionData.type = attribute.second;
}
}
bool extensionSupported =
extensionData.supported.empty() ||
std::any_of( extensionData.supported.begin(), extensionData.supported.end(), [this]( std::string const & s ) { return s == m_api; } );
checkForError( !extensionSupported || !extensionData.type.empty(), line, "missing attribute \"type\" for supported extension <" + extensionData.name + ">" );
for ( auto child : children )
{
readExtensionRequire( child, extensionData, extensionSupported );
}
if ( std::none_of( extensionData.supported.begin(), extensionData.supported.end(), []( std::string const & s ) { return s == "disabled"; } ) )
{
// extract the tag from the name, which is supposed to look like VK_<tag>_<other>
size_t tagStart = extensionData.name.find( '_' );
checkForError( tagStart != std::string::npos, line, "name <" + extensionData.name + "> is missing an underscore '_'" );
size_t tagEnd = extensionData.name.find( '_', tagStart + 1 );
checkForError( tagEnd != std::string::npos, line, "name <" + extensionData.name + "> is missing an underscore '_'" );
std::string tag = extensionData.name.substr( tagStart + 1, tagEnd - tagStart - 1 );
checkForError( ( m_tags.find( tag ) != m_tags.end() ), line, "name <" + extensionData.name + "> is using an unknown tag <" + tag + ">" );
}
if ( extensionSupported )
{
m_extensions.push_back( extensionData );
}
else
{
checkForError( m_unsupportedExtensions.insert( extensionData.name ).second, line, "unsupported extension <" + extensionData.name + "> already specified" );
}
}
void VulkanHppGenerator::readFeature( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "api", { "vulkan", "vulkansc" } }, { "comment", {} }, { "name", {} }, { "number", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "require", false } }, { "remove" } );
FeatureData featureData;
featureData.xmlLine = line;
std::vector<std::string> api;
std::string modifiedNumber;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = tokenize( attribute.second, "," );
}
else if ( attribute.first == "name" )
{
featureData.name = attribute.second;
}
else if ( attribute.first == "number" )
{
featureData.number = attribute.second;
modifiedNumber = featureData.number;
std::replace( modifiedNumber.begin(), modifiedNumber.end(), '.', '_' );
}
}
bool featureSupported = std::any_of( api.begin(), api.end(), [this]( std::string const & a ) { return a == m_api; } );
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "remove" )
{
featureData.removeData.push_back( readFeatureRemove( child ) );
}
else if ( value == "require" )
{
featureData.requireData.push_back( readFeatureRequire( child, featureData.name, featureSupported ) );
}
}
checkForError( featureData.name ==
( std::any_of( api.begin(), api.end(), []( std::string const & a ) { return a == "vulkan"; } ) ? "VK_VERSION_" : "VKSC_VERSION_" ) +
modifiedNumber,
line,
"unexpected formatting of name <" + featureData.name + ">" );
checkForError( !isFeature( featureData.name ), line, "feature <" + featureData.name + "> already specified" );
if ( featureSupported )
{
m_features.push_back( featureData );
}
else
{
m_unsupportedFeatures.insert( featureData.name );
}
}
VulkanHppGenerator::RemoveData VulkanHppGenerator::readFeatureRemove( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), {}, { { "comment", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "command", "enum", "type" } );
RemoveData removeData;
removeData.xmlLine = line;
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "command" )
{
removeData.commands.push_back( readName( child ) );
}
else if ( value == "enum" )
{
removeData.enums.push_back( readName( child ) );
}
else if ( value == "type" )
{
removeData.types.push_back( readName( child ) );
}
}
return removeData;
}
VulkanHppGenerator::RequireData
VulkanHppGenerator::readFeatureRequire( tinyxml2::XMLElement const * element, std::string const & featureName, bool featureSupported )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), {}, { { "comment", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "command", "comment", "enum", "type" } );
RequireData requireData{ .xmlLine = line };
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "command" )
{
requireData.commands.push_back( readRequireCommand( child, featureName ) );
}
else if ( value == "enum" )
{
readRequireEnum( child, featureName, "", featureSupported, requireData );
}
else if ( value == "type" )
{
requireData.types.push_back( readRequireType( child, featureName ) );
}
}
return requireData;
}
void VulkanHppGenerator::readFormat( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line,
attributes,
{ { "blockSize", { "1", "2", "3", "4", "5", "6", "8", "12", "16", "24", "32" } },
{ "class", {} },
{ "name", {} },
{ "texelsPerBlock", { "1", "16", "20", "25", "30", "36", "40", "48", "50", "60", "64", "80", "100", "120", "144" } } },
{ { "blockExtent", { "1", "2", "4", "5", "6", "8", "10", "12" } },
{ "chroma", { "420", "422", "444" } },
{ "compressed", { "ASTC HDR", "ASTC LDR", "BC", "EAC", "ETC", "ETC2", "PVRTC" } },
{ "packed", { "8", "16", "32" } } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "component", false } }, { "plane", "spirvimageformat" } );
FormatData format;
format.xmlLine = line;
std::string name;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "blockExtent" )
{
checkForError( tokenize( attribute.second, "," ).size() == 3, line, "unexpected number of elements in attribute <blockExtent>" );
format.blockExtent = attribute.second;
}
if ( attribute.first == "blockSize" )
{
format.blockSize = attribute.second;
}
else if ( attribute.first == "chroma" )
{
format.chroma = attribute.second;
}
else if ( attribute.first == "class" )
{
format.classAttribute = attribute.second;
}
else if ( attribute.first == "compressed" )
{
format.compressed = attribute.second;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "packed" )
{
format.packed = attribute.second;
}
else if ( attribute.first == "texelsPerBlock" )
{
format.texelsPerBlock = attribute.second;
}
}
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "component" )
{
readFormatComponent( child, format );
}
else if ( value == "plane" )
{
readFormatPlane( child, format );
}
else if ( value == "spirvimageformat" )
{
readFormatSPIRVImageFormat( child, format );
}
}
if ( format.components.front().bits == "compressed" )
{
for ( auto componentIt = std::next( format.components.begin() ); componentIt != format.components.end(); ++componentIt )
{
checkForError( componentIt->bits == "compressed", line, "component is expected to be marked as compressed in attribute <bits>" );
}
}
if ( !format.components.front().planeIndex.empty() )
{
for ( auto componentIt = std::next( format.components.begin() ); componentIt != format.components.end(); ++componentIt )
{
checkForError( !componentIt->planeIndex.empty(), line, "component is expected to have a planeIndex" );
}
size_t planeCount = 1 + std::stoi( format.components.back().planeIndex );
checkForError( format.planes.size() == planeCount, line, "number of planes does not fit to largest planeIndex of the components" );
}
auto formatIt = m_enums.find( "VkFormat" );
assert( formatIt != m_enums.end() );
auto valueIt =
std::find_if( formatIt->second.values.begin(), formatIt->second.values.end(), [&name]( EnumValueData const & evd ) { return evd.name == name; } );
if ( valueIt != formatIt->second.values.end() )
{
checkForError( m_formats.insert( { name, format } ).second, line, "format <" + name + "> already specified" );
}
else
{
checkForError( std::any_of( formatIt->second.unsupportedValues.begin(),
formatIt->second.unsupportedValues.end(),
[&name]( EnumValueData const & evd ) { return evd.name == name; } ),
line,
"unknown format <" + name + ">" );
}
}
void VulkanHppGenerator::readFormatComponent( tinyxml2::XMLElement const * element, FormatData & formatData )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line,
attributes,
{ { "bits", { "1", "2", "4", "5", "6", "8", "9", "10", "11", "12", "16", "24", "32", "64", "compressed" } },
{ "name", {} },
{ "numericFormat", { "SFLOAT", "SINT", "SNORM", "SRGB", "SSCALED", "UFLOAT", "UINT", "UNORM", "USCALED" } } },
{ { "planeIndex", { "0", "1", "2" } } } );
checkElements( line, getChildElements( element ), {} );
formatData.components.emplace_back();
ComponentData & component = formatData.components.back();
component.xmlLine = line;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "bits" )
{
checkForError(
( attribute.second != "compressed" ) || !formatData.compressed.empty(), line, "component of a not compressed format is marked as compressed" );
component.bits = attribute.second;
}
else if ( attribute.first == "name" )
{
component.name = attribute.second;
}
else if ( attribute.first == "numericFormat" )
{
component.numericFormat = attribute.second;
}
else if ( attribute.first == "planeIndex" )
{
component.planeIndex = attribute.second;
}
}
}
void VulkanHppGenerator::readFormatPlane( tinyxml2::XMLElement const * element, FormatData & formatData )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes(
line, attributes, { { "compatible", {} }, { "index", { "0", "1", "2" } }, { "heightDivisor", { "1", "2" } }, { "widthDivisor", { "1", "2" } } }, {} );
checkElements( line, getChildElements( element ), {} );
formatData.planes.emplace_back();
PlaneData & plane = formatData.planes.back();
plane.xmlLine = line;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "compatible" )
{
plane.compatible = attribute.second;
auto formatIt = m_enums.find( "VkFormat" );
assert( formatIt != m_enums.end() );
checkForError( std::any_of( formatIt->second.values.begin(),
formatIt->second.values.end(),
[&plane]( EnumValueData const & evd ) { return evd.name == plane.compatible; } ),
line,
"encountered unknown format <" + plane.compatible + ">" );
}
else if ( attribute.first == "index" )
{
size_t index = std::stoi( attribute.second );
checkForError( index + 1 == formatData.planes.size(), line, "unexpected index <" + attribute.second + ">" );
}
else if ( attribute.first == "heightDivisor" )
{
plane.heightDivisor = attribute.second;
}
else if ( attribute.first == "widthDivisor" )
{
plane.widthDivisor = attribute.second;
}
}
}
void VulkanHppGenerator::readFormats( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), {}, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "format", false } } );
for ( auto child : children )
{
readFormat( child );
}
}
void VulkanHppGenerator::readFormatSPIRVImageFormat( tinyxml2::XMLElement const * element, FormatData & formatData )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string name = attributes.find( "name" )->second;
checkForError( formatData.spirvImageFormat.empty(), line, "spirvimageformat <" + name + "> already specified" );
formatData.spirvImageFormat = name;
}
std::string VulkanHppGenerator::readName( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
return attributes.find( "name" )->second;
}
std::pair<VulkanHppGenerator::NameData, TypeInfo> VulkanHppGenerator::readNameAndType( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "name", true } }, { { "enum" }, { "type" } } );
NameData nameData;
TypeInfo typeInfo;
for ( auto child : children )
{
line = child->GetLineNum();
checkAttributes( line, getAttributes( child ), {}, {} );
checkElements( line, getChildElements( child ), {} );
std::string value = child->Value();
if ( value == "enum" )
{
nameData.arraySizes.push_back( child->GetText() );
checkForError( child->PreviousSibling() && ( strcmp( child->PreviousSibling()->Value(), "[" ) == 0 ) && child->NextSibling() &&
( strcmp( child->NextSibling()->Value(), "]" ) == 0 ),
line,
std::string( "array specifiation is ill-formatted: <" ) + nameData.arraySizes.back() + ">" );
checkForError( m_constants.contains( nameData.arraySizes.back() ), line, "using unknown enum value <" + nameData.arraySizes.back() + ">" );
}
else if ( value == "name" )
{
nameData.name = child->GetText();
std::string bitCount;
std::tie( nameData.arraySizes, bitCount ) = readModifiers( child->NextSibling() );
checkForError( bitCount.empty(), line, "name <" + nameData.name + "> with unsupported bitCount <" + bitCount + ">" );
}
else if ( value == "type" )
{
typeInfo = readTypeInfo( child );
}
}
return std::make_pair( nameData, typeInfo );
}
void VulkanHppGenerator::readPlatform( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "comment", {} }, { "name", {} }, { "protect", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string name, protect;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "protect" )
{
protect = attribute.second;
}
}
checkForError( std::none_of( m_platforms.begin(),
m_platforms.end(),
[&protect]( std::pair<std::string, PlatformData> const & p ) { return p.second.protect == protect; } ),
line,
"protect <" + protect + "> of platform <" + name + "> is already used with some other platform" );
checkForError( m_platforms.insert( { name, { protect, line } } ).second, line, "platform <" + name + "> is already specified" );
}
void VulkanHppGenerator::readPlatforms( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "platform", false } } );
for ( auto child : children )
{
readPlatform( child );
}
}
void VulkanHppGenerator::readRegistry( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), {}, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line,
children,
{ { "commands", true },
{ "comment", false },
{ "enums", false },
{ "extensions", true },
{ "feature", false },
{ "formats", true },
{ "platforms", true },
{ "spirvcapabilities", true },
{ "spirvextensions", true },
{ "sync", true },
{ "tags", true },
{ "types", true } } );
for ( auto child : children )
{
const std::string value = child->Value();
if ( value == "commands" )
{
readCommands( child );
}
else if ( value == "comment" )
{
std::string comment = readComment( child );
if ( comment.find( "\nCopyright" ) == 0 )
{
m_vulkanLicenseHeader = generateCopyrightMessage( comment );
}
}
else if ( value == "enums" )
{
readEnums( child );
}
else if ( value == "extensions" )
{
readExtensions( child );
}
else if ( value == "feature" )
{
readFeature( child );
}
else if ( value == "formats" )
{
readFormats( child );
}
else if ( value == "platforms" )
{
readPlatforms( child );
}
else if ( value == "spirvcapabilities" )
{
readSPIRVCapabilities( child );
}
else if ( value == "spirvextensions" )
{
readSPIRVExtensions( child );
}
else if ( value == "sync" )
{
readSync( child );
}
else if ( value == "tags" )
{
readTags( child );
}
else if ( value == "types" )
{
readTypes( child );
}
}
}
std::string VulkanHppGenerator::readRequireCommand( tinyxml2::XMLElement const * element, std::string const & requiredBy )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, { { "comment", {} } } );
checkElements( line, getChildElements( element ), {} );
std::string name = attributes.find( "name" )->second;
auto commandIt = m_commands.find( name );
if ( commandIt == m_commands.end() )
{
auto aliasIt = m_commandAliases.find( name );
checkForError( aliasIt != m_commandAliases.end(), line, "unknown required command <" + name + ">" );
commandIt = m_commands.find( aliasIt->second.name );
assert( commandIt != m_commands.end() );
}
commandIt->second.requiredBy.insert( requiredBy );
return name;
}
void VulkanHppGenerator::readRequireEnum(
tinyxml2::XMLElement const * element, std::string const & requiredBy, std::string const & platform, bool supported, RequireData & requireData )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkElements( line, getChildElements( element ), {} );
if ( attributes.contains( "alias" ) )
{
checkAttributes( line,
attributes,
{ { "alias", {} }, { "name", {} } },
{ { "api", { "vulkan", "vulkansc" } }, { "comment", {} }, { "deprecated", { "aliased" } }, { "extends", {} } } );
std::string alias, api, extends, name;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "alias" )
{
alias = attribute.second;
}
else if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "extends" )
{
extends = attribute.second;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
}
if ( extends.empty() )
{
checkForError(
m_types.insert( { name, TypeData{ TypeCategory::Constant, { requiredBy }, line } } ).second, line, "required enum <" + name + "> already specified" );
assert( !m_constantAliases.contains( name ) );
m_constantAliases[name] = { alias, line };
}
else
{
auto typeIt = m_types.find( extends );
checkForError( typeIt != m_types.end(), line, "enum value <" + name + "> extends unknown type <" + extends + ">" );
checkForError( typeIt->second.category == TypeCategory::Enum, line, "enum value <" + name + "> extends non-enum type <" + extends + ">" );
typeIt->second.requiredBy.insert( requiredBy );
auto enumIt = m_enums.find( extends );
assert( enumIt != m_enums.end() );
enumIt->second.addEnumAlias( line, name, alias, getProtectFromPlatform( platform ), ( api.empty() || ( api == m_api ) ) && supported );
}
}
else
{
checkAttributes( line,
attributes,
{ { "name", {} } },
{ { "api", { "vulkan", "vulkansc" } },
{ "bitpos", {} },
{ "comment", {} },
{ "dir", { "-" } },
{ "extends", {} },
{ "extnumber", {} },
{ "offset", {} },
{ "protect", { "VK_ENABLE_BETA_EXTENSIONS" } },
{ "type", { "uint32_t" } },
{ "value", {} } } );
std::string api, bitpos, extends, name, offset, protect, type, value;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "bitpos" )
{
bitpos = attribute.second;
}
else if ( attribute.first == "extends" )
{
extends = attribute.second;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "offset" )
{
offset = attribute.second;
}
else if ( attribute.first == "protect" )
{
protect = attribute.second;
}
else if ( attribute.first == "type" )
{
type = attribute.second;
}
else if ( attribute.first == "value" )
{
value = attribute.second;
}
}
if ( extends.empty() )
{
if ( value.empty() )
{
auto typeIt = m_types.find( name );
checkForError( typeIt != m_types.end(), line, "unknown required enum <" + name + ">" );
typeIt->second.requiredBy.insert( requiredBy );
requireData.constants.push_back( name );
}
else
{
if ( api.empty() || ( api == m_api ) )
{
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Constant, { requiredBy }, line } } ).second,
line,
"required enum <" + name + "> specified by value <" + value + "> is already specified" );
if ( type == "uint32_t" )
{
assert( !m_constants.contains( name ) );
m_constants[name] = { type, value, line };
}
}
checkForError(
!supported || name.ends_with( "_EXTENSION_NAME" ) || name.ends_with( "_SPEC_VERSION" ), line, "encountered unexpected enum <" + name + ">" );
requireData.enumConstants.emplace( name, value );
}
}
else
{
checkForError( bitpos.empty() + offset.empty() + value.empty() == 2,
line,
"exactly one out of bitpos = <" + bitpos + ">, offset = <" + offset + ">, and value = <" + value + "> are supposed to be empty" );
auto typeIt = m_types.find( extends );
checkForError( typeIt != m_types.end(), line, "enum value <" + name + "> extends unknown type <" + extends + ">" );
checkForError( typeIt->second.category == TypeCategory::Enum, line, "enum value <" + name + "> extends non-enum type <" + extends + ">" );
typeIt->second.requiredBy.insert( requiredBy );
auto enumIt = m_enums.find( extends );
assert( enumIt != m_enums.end() );
enumIt->second.addEnumValue(
line, name, protect.empty() ? getProtectFromPlatform( platform ) : protect, bitpos + offset, value, ( api.empty() || ( api == m_api ) ) && supported );
}
}
}
std::string VulkanHppGenerator::readRequireType( tinyxml2::XMLElement const * element, std::string const & requiredBy )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, { { "comment", {} } } );
checkElements( line, getChildElements( element ), {} );
std::string name = attributes.find( "name" )->second;
auto typeIt = m_types.find( name );
checkForError( typeIt != m_types.end(), line, "unknown required type <" + name + ">" );
typeIt->second.requiredBy.insert( requiredBy );
return name;
}
void VulkanHppGenerator::readSPIRVCapability( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "enable" } );
for ( auto child : children )
{
readSPIRVCapabilityEnable( child );
}
}
void VulkanHppGenerator::readSPIRVCapabilityEnable( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkElements( line, getChildElements( element ), {}, {} );
if ( attributes.contains( "extension" ) )
{
checkAttributes( line, attributes, { { "extension", {} } }, {} );
std::string const & extension = attributes.find( "extension" )->second;
checkForError( isExtension( extension ), line, "unknown extension <" + extension + "> specified for SPIR-V capability" );
}
else if ( attributes.contains( "property" ) )
{
checkAttributes( line, attributes, { { "member", {} }, { "property", {} }, { "requires", {} }, { "value", {} } }, {} );
std::string member, property, value;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "member" )
{
member = attribute.second;
}
else if ( attribute.first == "property" )
{
property = attribute.second;
}
if ( attribute.first == "requires" )
{
std::vector<std::string> require = tokenize( attribute.second, "," );
for ( auto const & r : require )
{
checkForError( isFeature( r ) || isExtension( r ), line, "unknown requires <" + r + "> specified for SPIR-V capability" );
}
}
else if ( attribute.first == "value" )
{
value = attribute.second;
}
}
auto propertyIt = m_structs.find( property );
checkForError( propertyIt != m_structs.end(), line, "unknown property <" + property + "> specified for SPIR-V capability" );
auto memberIt = findStructMemberIt( member, propertyIt->second.members );
checkForError( memberIt != propertyIt->second.members.end(), line, "unknown member <" + member + "> specified for SPIR-V capability" );
if ( memberIt->type.type == "VkBool32" )
{
checkForError( ( value == "VK_FALSE" ) || ( value == "VK_TRUE" ),
line,
"unknown value <" + value + "> for boolean member <" + member + "> specified for SPIR-V capability" );
}
else
{
auto bitmaskIt = m_bitmasks.find( memberIt->type.type );
checkForError( bitmaskIt != m_bitmasks.end(), line, "member <" + member + "> specified for SPIR-V capability is not a bitmask" );
checkForError( !bitmaskIt->second.require.empty(), line, "member <" + member + "> specified for SPIR-V capability has no required enum" );
auto enumIt = m_enums.find( bitmaskIt->second.require );
checkForError(
enumIt != m_enums.end(), line, "member <" + member + "> specified for SPIR-V capability requires an unknown enum <" + bitmaskIt->second.require + ">" );
checkForError(
std::any_of( enumIt->second.values.begin(), enumIt->second.values.end(), [&value]( EnumValueData const & evd ) { return evd.name == value; } ) ||
std::any_of( enumIt->second.unsupportedValues.begin(),
enumIt->second.unsupportedValues.end(),
[&value]( EnumValueData const & evd ) { return evd.name == value; } ),
line,
"unknown attribute value <" + value + "> specified for SPIR-V capability" );
}
}
else if ( attributes.contains( "struct" ) )
{
checkAttributes( line, attributes, { { "feature", {} }, { "struct", {} } }, { { "alias", {} }, { "requires", {} } } );
for ( auto const & attribute : attributes )
{
if ( attribute.first == "requires" )
{
std::vector<std::string> require = tokenize( attribute.second, "," );
for ( auto const & r : require )
{
checkForError( isFeature( r ) || isExtension( r ), line, "unknown requires <" + r + "> specified for SPIR-V capability" );
}
}
else if ( attribute.first == "struct" )
{
checkForError( m_structs.contains( attribute.second ) || m_structAliases.contains( attribute.second ),
line,
"unknown structure <" + attribute.second + "> specified for SPIR-V capability" );
}
}
}
else if ( attributes.contains( "version" ) )
{
checkAttributes( line, attributes, { { "version", {} } }, {} );
std::string version = attributes.find( "version" )->second;
if ( version.starts_with( "VK_API_" ) )
{
version.erase( 3, 4 ); // remove "API_" from the version -> VK_VERSION_x_y
}
checkForError( isFeature( version ), line, "unknown version <" + version + "> specified for SPIR-V capability" );
}
}
void VulkanHppGenerator::readSPIRVCapabilities( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "spirvcapability" } );
for ( auto child : children )
{
readSPIRVCapability( child );
}
}
void VulkanHppGenerator::readSPIRVExtension( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "enable" } );
for ( auto child : children )
{
readSPIRVExtensionEnable( child );
}
}
void VulkanHppGenerator::readSPIRVExtensionEnable( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, {}, { { "extension", {} }, { "version", {} } } );
checkElements( line, getChildElements( element ), {}, {} );
for ( auto const & attribute : attributes )
{
if ( attribute.first == "extension" )
{
checkForError( isExtension( attribute.second ), line, "unknown extension <" + attribute.second + "> specified for SPIR-V extension" );
}
else
{
assert( attribute.first == "version" );
std::string feature = attribute.second;
if ( feature.starts_with( "VK_API_" ) )
{
feature.erase( 3, 4 ); // remove "API_" from the version -> VK_VERSION_x_y
}
checkForError( isFeature( feature ), line, "unknown version <" + attribute.second + "> specified for SPIR-V extension" );
}
}
}
void VulkanHppGenerator::readSPIRVExtensions( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "spirvextension" } );
for ( auto child : children )
{
readSPIRVExtension( child );
}
}
void VulkanHppGenerator::readStructMember( tinyxml2::XMLElement const * element, std::vector<MemberData> & members, bool isUnion )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line,
attributes,
{},
{ { "altlen", {} },
{ "api", { "vulkan", "vulkansc" } },
{ "deprecated", { "ignored" } },
{ "externsync", { "true" } },
{ "len", {} },
{ "limittype", { "bitmask", "bits", "exact", "max", "min", "mul", "noauto", "not", "pot", "range", "struct" } },
{ "noautovalidity", { "true" } },
{ "objecttype", { "objectType" } },
{ "optional", { "false", "true" } },
{ "selection", {} },
{ "selector", {} },
{ "values", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "name", true }, { "type", true } }, { "comment", "enum" } );
MemberData memberData;
memberData.xmlLine = line;
std::string api;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "altlen" )
{
assert( memberData.lenExpressions.empty() );
memberData.lenExpressions = tokenize( attribute.second, "," );
checkForError( memberData.lenExpressions.size() == 1,
line,
"member attribute <altlen> holds unknown number of data: " + std::to_string( memberData.lenExpressions.size() ) );
memberData.lenMembers = filterNumbers( tokenizeAny( attribute.second, " /()+*" ) );
}
else if ( attribute.second == "deprecated" )
{
assert( false );
// the struct member is marked as deprecated/ignored, but still exisits -> no modifications needed here
}
else if ( attribute.first == "len" )
{
if ( memberData.lenExpressions.empty() )
{
memberData.lenExpressions = tokenize( attribute.second, "," );
checkForError( !memberData.lenExpressions.empty() && ( memberData.lenExpressions.size() <= 2 ),
line,
"member attribute <len> holds unknown number of data: " + std::to_string( memberData.lenExpressions.size() ) );
if ( memberData.lenExpressions[0] != "null-terminated" )
{
auto lenMemberIt = findStructMemberIt( memberData.lenExpressions[0], members );
checkForError( lenMemberIt != members.end(), line, "member attribute <len> holds unknown value <" + memberData.lenExpressions[0] + ">" );
checkForError( lenMemberIt->type.prefix.empty(),
line,
"member attribute <len> references a member of unexpected type <" + lenMemberIt->type.compose( "VULKAN_HPP_NAMESPACE" ) + ">" );
memberData.lenMembers.push_back( { memberData.lenExpressions[0], std::distance( members.cbegin(), lenMemberIt ) } );
}
if ( 1 < memberData.lenExpressions.size() )
{
checkForError( ( memberData.lenExpressions[1] == "1" ) || ( memberData.lenExpressions[1] == "null-terminated" ),
line,
"member attribute <len> holds unknown second value <" + memberData.lenExpressions[1] + ">" );
}
}
}
else if ( attribute.first == "noautovalidity" )
{
memberData.noAutoValidity = ( attribute.second == "true" );
}
else if ( attribute.first == "optional" )
{
std::vector<std::string> optional = tokenize( attribute.second, "," );
memberData.optional.reserve( optional.size() );
for ( auto const & o : optional )
{
memberData.optional.push_back( o == "true" );
}
}
else if ( attribute.first == "selection" )
{
checkForError( isUnion, line, "attribute <selection> is used with a non-union structure." );
memberData.selection = tokenize( attribute.second, "," );
}
else if ( attribute.first == "selector" )
{
memberData.selector = attribute.second;
auto selectorIt = findStructMemberIt( memberData.selector, members );
checkForError( selectorIt != members.end(), line, "member attribute <selector> holds unknown value <" + memberData.selector + ">" );
checkForError(
m_enums.contains( selectorIt->type.type ), line, "member attribute <selector> references unknown enum type <" + selectorIt->type.type + ">" );
}
else if ( attribute.first == "values" )
{
std::vector<std::string> values = tokenize( attribute.second, "," );
checkForError( values.size() == 1, line, "attribute \"values\" holds multiple values <" + attribute.first + ">, but it's expected to hold just one" );
memberData.value = values[0];
}
}
std::string name;
for ( auto child : children )
{
int childLine = child->GetLineNum();
checkAttributes( childLine, getAttributes( child ), {}, {} );
checkElements( childLine, getChildElements( child ), {}, {} );
std::string value = child->Value();
if ( value == "enum" )
{
std::string enumString = child->GetText();
checkForError( child->PreviousSibling() && ( strcmp( child->PreviousSibling()->Value(), "[" ) == 0 ) && child->NextSibling() &&
( strcmp( child->NextSibling()->Value(), "]" ) == 0 ),
line,
std::string( "struct member array specifiation is ill-formatted: <" ) + enumString + ">" );
memberData.arraySizes.push_back( enumString );
}
else if ( value == "name" )
{
name = child->GetText();
std::tie( memberData.arraySizes, memberData.bitCount ) = readModifiers( child->NextSibling() );
}
else if ( value == "type" )
{
memberData.type = readTypeInfo( child );
}
}
assert( !name.empty() );
if ( api.empty() || ( api == m_api ) )
{
checkForError( std::none_of( members.begin(), members.end(), [&name]( MemberData const & md ) { return md.name == name; } ),
line,
"struct member name <" + name + "> already used" );
memberData.name = name;
members.push_back( memberData );
}
}
void VulkanHppGenerator::readSync( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "syncaccess", false }, { "syncpipeline", false }, { "syncstage", false } }, {} );
auto accessFlagBitsIt = m_enums.find( "VkAccessFlagBits" );
assert( accessFlagBitsIt != m_enums.end() );
auto accessFlagBits2It = m_enums.find( "VkAccessFlagBits2" );
assert( accessFlagBits2It != m_enums.end() );
auto stageFlagBitsIt = m_enums.find( "VkPipelineStageFlagBits" );
assert( stageFlagBitsIt != m_enums.end() );
auto stageFlagBits2It = m_enums.find( "VkPipelineStageFlagBits2" );
assert( stageFlagBits2It != m_enums.end() );
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "syncaccess" )
{
readSyncAccess( child, accessFlagBitsIt, accessFlagBits2It, stageFlagBits2It );
}
else if ( value == "syncpipeline" )
{
readSyncPipeline( child );
}
else
{
assert( value == "syncstage" );
readSyncStage( child, stageFlagBitsIt, stageFlagBits2It );
}
}
}
void VulkanHppGenerator::readSyncAccess( tinyxml2::XMLElement const * element,
std::map<std::string, EnumData>::const_iterator accessFlagBitsIt,
std::map<std::string, EnumData>::const_iterator accessFlagBits2It,
std::map<std::string, EnumData>::const_iterator stageFlagBits2It )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, { { "alias", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "comment", "syncequivalent", "syncsupport" } );
EnumValueData const * aliasPtr = nullptr;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "alias" )
{
aliasPtr = findEnumValueData( accessFlagBitsIt, attribute.second );
checkForError( aliasPtr != nullptr, line, "syncaccess alias <" + attribute.second + "> not specified as a VkAccessFlagBits value!" );
}
else
{
assert( attribute.first == "name" );
auto namePtr = findEnumValueData( accessFlagBits2It, attribute.second );
checkForError( namePtr != nullptr, line, "syncaccess name <" + attribute.second + "> not specified as a VkAccessFlagBits value!" );
if ( aliasPtr != nullptr )
{
checkForError( ( aliasPtr->value == namePtr->value ) && ( aliasPtr->bitpos == namePtr->bitpos ),
line,
"syncaccess name <" + attribute.second + "> has an alias <" + aliasPtr->name + "> with a different value or bitpos!" );
}
}
}
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "syncequivalent" )
{
readSyncAccessEquivalent( child, accessFlagBits2It );
}
else if ( value == "syncsupport" )
{
readSyncAccessSupport( child, stageFlagBits2It );
}
}
}
void VulkanHppGenerator::readSyncAccessEquivalent( tinyxml2::XMLElement const * element, std::map<std::string, EnumData>::const_iterator accessFlagBits2It )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "access", {} } }, {} );
checkElements( line, getChildElements( element ), {}, {} );
for ( auto const & attribute : attributes )
{
assert( attribute.first == "access" );
std::vector<std::string> access = tokenize( attribute.second, "," );
for ( auto const & a : access )
{
checkForError( findEnumValueData( accessFlagBits2It, a ) != nullptr, line, "syncequivalent access uses unknown value <" + a + ">!" );
}
}
}
void VulkanHppGenerator::readSyncAccessSupport( tinyxml2::XMLElement const * element, std::map<std::string, EnumData>::const_iterator stageFlagBits2It )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "stage", {} } }, {} );
checkElements( line, getChildElements( element ), {}, {} );
for ( auto const & attribute : attributes )
{
if ( attribute.first == "stage" )
{
std::vector<std::string> stage = tokenize( attribute.second, "," );
for ( auto const & s : stage )
{
checkForError( findEnumValueData( stageFlagBits2It, s ) != nullptr, line, "syncsupport stage uses unknown value <" + s + ">!" );
}
}
}
}
void VulkanHppGenerator::readSyncPipeline( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, { { "depends", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "syncpipelinestage", false } }, {} );
for ( auto const & attribute : attributes )
{
if ( attribute.first == "depends" )
{
std::vector<std::string> depends = tokenize( attribute.second, "," );
for ( auto const & d : depends )
{
checkForError( std::any_of( m_extensions.begin(), m_extensions.end(), [&d]( ExtensionData const & ed ) { return ed.name == d; } ) ||
m_unsupportedExtensions.contains( d ),
line,
"syncpipeline depends on unknown extension <" + d + ">" );
}
}
}
}
void VulkanHppGenerator::readSyncStage( tinyxml2::XMLElement const * element,
std::map<std::string, EnumData>::const_iterator stageFlagBitsIt,
std::map<std::string, EnumData>::const_iterator stageFlagBits2It )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "name", {} } }, { { "alias", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "syncequivalent", "syncsupport" } );
EnumValueData const * aliasPtr = nullptr;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "alias" )
{
aliasPtr = findEnumValueData( stageFlagBitsIt, attribute.second );
checkForError( aliasPtr != nullptr, line, "syncstage alias <" + attribute.second + "> not specified as a VkPipelineStageFlagBits value!" );
}
else
{
assert( attribute.first == "name" );
auto namePtr = findEnumValueData( stageFlagBits2It, attribute.second );
checkForError( namePtr != nullptr, line, "syncstage name <" + attribute.second + "> not specified as a VkPipelineStageFlagBits2 value!" );
if ( aliasPtr != nullptr )
{
checkForError( ( aliasPtr->value == namePtr->value ) && ( aliasPtr->bitpos == namePtr->bitpos ),
line,
"syncstate name <" + attribute.second + "> has an alias <" + aliasPtr->name + "> with a different value or bitpos!" );
}
}
}
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "syncequivalent" )
{
readSyncStageEquivalent( child, stageFlagBits2It );
}
else
{
assert( value == "syncsupport" );
readSyncStageSupport( child );
}
}
}
void VulkanHppGenerator::readSyncStageEquivalent( tinyxml2::XMLElement const * element, std::map<std::string, EnumData>::const_iterator stageFlagBits2It )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "stage", {} } }, {} );
checkElements( line, getChildElements( element ), {}, {} );
for ( auto const & attribute : attributes )
{
assert( attribute.first == "stage" );
std::vector<std::string> stage = tokenize( attribute.second, "," );
for ( auto const & s : stage )
{
checkForError( findEnumValueData( stageFlagBits2It, s ) != nullptr, line, "syncequivalent stage uses unknown value <" + s + ">!" );
}
}
}
void VulkanHppGenerator::readSyncStageSupport( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), { { "queues", { "compute", "decode", "encode", "graphics", "opticalflow", "transfer" } } }, {} );
checkElements( line, getChildElements( element ), {}, {} );
}
void VulkanHppGenerator::readTag( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
checkAttributes( line, attributes, { { "author", {} }, { "contact", {} }, { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string name = attributes.find( "name" )->second;
checkForError( m_tags.insert( { name, { line } } ).second, line, "tag <" + name + "> already specified" );
}
void VulkanHppGenerator::readTags( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "tag", false } } );
for ( auto child : children )
{
readTag( child );
}
}
void VulkanHppGenerator::readTypeBasetype( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
checkAttributes( line, attributes, { { "category", { "basetype" } } }, {} );
NameData nameData;
TypeInfo typeInfo;
std::tie( nameData, typeInfo ) = readNameAndType( element );
if ( typeInfo.prefix == "typedef" )
{
// remove redundant typeInfo.prefix "typedef"
typeInfo.prefix.clear();
}
checkForError( nameData.arraySizes.empty(), line, "name <" + nameData.name + "> with unsupported arraySizes" );
checkForError( typeInfo.prefix.empty(), line, "unexpected type prefix <" + typeInfo.prefix + ">" );
checkForError( typeInfo.postfix.empty() || ( typeInfo.postfix == "*" ), line, "unexpected type postfix <" + typeInfo.postfix + ">" );
checkForError(
m_types.insert( { nameData.name, TypeData{ TypeCategory::BaseType, {}, line } } ).second, line, "basetype <" + nameData.name + "> already specified" );
assert( !m_baseTypes.contains( nameData.name ) );
m_baseTypes[nameData.name] = { typeInfo, line };
}
void VulkanHppGenerator::readTypeBitmask( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
auto aliasIt = attributes.find( "alias" );
if ( aliasIt != attributes.end() )
{
checkAttributes( line, attributes, { { "alias", {} }, { "category", { "bitmask" } }, { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string alias = aliasIt->second;
std::string name = attributes.find( "name" )->second;
checkForError( m_bitmasks.contains( alias ), line, "bitmask <" + name + "> is an alias of an unknown bitmask <" + alias + ">." );
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Bitmask, {}, line } } ).second, line, "bitmask <" + name + "> already specified" );
assert( !m_bitmaskAliases.contains( name ) );
m_bitmaskAliases[name] = { alias, line };
}
else
{
checkAttributes( line, attributes, { { "category", { "bitmask" } } }, { { "api", { "vulkan", "vulkansc" } }, { "bitvalues", {} }, { "requires", {} } } );
std::string api, bitvalues, require;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "bitvalues" )
{
bitvalues = attribute.second;
}
else if ( attribute.first == "requires" )
{
require = attribute.second;
}
}
NameData nameData;
TypeInfo typeInfo;
std::tie( nameData, typeInfo ) = readNameAndType( element );
checkForError( nameData.name.starts_with( "Vk" ), line, "name <" + nameData.name + "> does not begin with <Vk>" );
checkForError( nameData.arraySizes.empty(), line, "name <" + nameData.name + "> with unsupported arraySizes" );
checkForWarning( ( typeInfo.type == "VkFlags" ) || ( typeInfo.type == "VkFlags64" ), line, "unexpected bitmask type <" + typeInfo.type + ">" );
checkForError( typeInfo.prefix == "typedef", line, "unexpected type prefix <" + typeInfo.prefix + ">" );
checkForError( typeInfo.postfix.empty(), line, "unexpected type postfix <" + typeInfo.postfix + ">" );
checkForError( bitvalues.empty() || require.empty(), line, "attributes <bitvalues> and <requires> are both specified" );
checkForError( ( typeInfo.type != "VkFlags64" ) || !bitvalues.empty(), line, "bitmask of type <VkFlags64> needs attribute bitvalues to be set" );
if ( !bitvalues.empty() )
{
require = bitvalues;
}
if ( api.empty() || ( api == m_api ) )
{
checkForError(
m_types.insert( { nameData.name, TypeData{ TypeCategory::Bitmask, {}, line } } ).second, line, "bitmask <" + nameData.name + "> already specified" );
assert( !m_bitmasks.contains( nameData.name ) );
m_bitmasks[nameData.name] = { require, typeInfo.type, line };
}
}
}
VulkanHppGenerator::DefinesPartition VulkanHppGenerator::partitionDefines( std::map<std::string, DefineData> const & defines )
{
DefinesPartition partition{};
for ( auto const & define : defines )
{
// VK_DEFINE_HANDLE is macro magic that cannot be constexpr-ed
// Also filter out the VKSC_ macros, as although they are in the spec, they are not defined in any header.
if ( define.first.starts_with( "VK_" ) && ( define.first != "VK_DEFINE_HANDLE" ) )
{
if ( define.second.possibleCallee.empty() )
{
if ( define.second.possibleDefinition.empty() )
{
#if !defined( NDEBUG )
const std::set<std::string> ignoredDefines{ "VK_DEFINE_NON_DISPATCHABLE_HANDLE", "VK_NULL_HANDLE", "VK_USE_64_BIT_PTR_DEFINES" };
#endif
assert( ignoredDefines.contains( define.first ) );
}
else
{
if ( define.second.params.empty() )
{
partition.values.insert( define );
}
else
{
partition.callees.insert( define );
}
}
}
else
{
assert( !define.second.params.empty() && define.second.possibleDefinition.empty() );
partition.callers.insert( define );
}
}
}
return partition;
}
void VulkanHppGenerator::readTypeDefine( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
checkAttributes( line,
attributes,
{ { "category", { "define" } } },
{ { "api", { "vulkan", "vulkansc" } }, { "comment", {} }, { "deprecated", { "true" } }, { "name", {} }, { "requires", {} } } );
std::string api, name, require;
bool deprecated = false;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "api" )
{
api = attribute.second;
}
else if ( attribute.first == "deprecated" )
{
assert( attribute.second == "true" );
deprecated = true;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "requires" )
{
require = attribute.second;
}
}
if ( !name.empty() )
{
checkForError( !element->FirstChildElement(), line, "unknown formatting of type category=define name <" + name + ">" );
checkForError( element->LastChild() && element->LastChild()->ToText() && element->LastChild()->ToText()->Value(),
line,
"unknown formatting of type category=define named <" + name + ">" );
}
else if ( element->GetText() )
{
std::string text = element->GetText();
if ( ( text.find( "class" ) != std::string::npos ) || ( text.find( "struct" ) != std::string::npos ) )
{
// here are a couple of structs as defines, which really are types!
assert( false );
tinyxml2::XMLElement const * child = element->FirstChildElement();
checkForError( child && ( strcmp( child->Value(), "name" ) == 0 ) && child->GetText(), line, "unexpected formatting of type category=define" );
name = child->GetText();
checkForError(
m_types.insert( std::make_pair( name, TypeData{ .category = TypeCategory::Define } ) ).second, line, "type <" + name + "> has already been speficied" );
}
else
{
tinyxml2::XMLElement const * child = element->FirstChildElement();
checkForError( child && !child->FirstAttribute() && ( strcmp( child->Value(), "name" ) == 0 ) && child->GetText(),
line,
"unknown formatting of type category define" );
name = trim( child->GetText() );
if ( ( name == "VK_HEADER_VERSION" ) && ( api.empty() || ( api == m_api ) ) )
{
m_version = trimEnd( element->LastChild()->ToText()->Value() );
}
// ignore all the other defines
checkForWarning( !child->NextSiblingElement() ||
( child->NextSiblingElement() && !child->NextSiblingElement()->FirstAttribute() &&
( strcmp( child->NextSiblingElement()->Value(), "type" ) == 0 ) && !child->NextSiblingElement()->NextSiblingElement() ),
line,
"unknown formatting of type category define" );
}
}
assert( !name.empty() );
if ( api.empty() || ( api == m_api ) )
{
MacroVisitor definesVisitor{};
element->Accept( &definesVisitor );
auto const & [deprecatedReason, possibleCallee, params, possibleDefinition] = parseMacro( definesVisitor.macro );
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Define, {}, line } } ).second, line, "define <" + name + "> already specified" );
assert( !m_defines.contains( name ) );
m_defines[name] = { deprecated, require, line, deprecatedReason, possibleCallee, params, possibleDefinition };
}
}
void VulkanHppGenerator::readTypeEnum( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
checkAttributes( line, attributes, { { "category", { "enum" } }, { "name", {} } }, { { "alias", {} } } );
checkElements( line, getChildElements( element ), {} );
std::string alias, name;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "alias" )
{
alias = attribute.second;
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
}
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Enum, {}, line } } ).second, line, "enum <" + name + "> already specified" );
if ( alias.empty() )
{
assert( !m_enums.contains( name ) );
m_enums[name] = EnumData{ .xmlLine = line };
}
else
{
checkForError( m_enumAliases.insert( { name, { alias, line } } ).second, line, "enum <" + name + "> already specified as some alias" );
}
}
void VulkanHppGenerator::readTypeFuncpointer( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
checkAttributes( line, attributes, { { "category", { "funcpointer" } } }, { { "requires", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "name", true } }, { "type" } );
std::string require;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "requires" )
{
require = attribute.second;
}
}
std::string name;
std::vector<FuncPointerArgumentData> arguments;
for ( auto const & child : children )
{
std::string value = child->Value();
if ( value == "name" )
{
name = child->GetText();
}
else if ( value == "type" )
{
int argumentLine = child->GetLineNum();
std::string type = child->GetText();
auto sibling = child->NextSibling();
char const * siblingValue = sibling->Value();
assert( siblingValue != nullptr );
std::string argumentName = siblingValue;
argumentName = argumentName.substr( argumentName.find_first_not_of( "* " ) );
argumentName = argumentName.substr( 0, argumentName.find_first_of( ",)" ) );
checkForError( std::none_of( arguments.begin(),
arguments.end(),
[&argumentName]( FuncPointerArgumentData const & argument ) { return argument.name == argumentName; } ),
line,
"argument <" + argumentName + "> already listed in funcpointer <" + name + ">" );
arguments.push_back( { argumentName, type, argumentLine } );
}
}
assert( !name.empty() );
std::set<std::string> argumentNames;
checkForError( m_types.insert( { name, TypeData{ TypeCategory::FuncPointer, {}, line } } ).second, line, "funcpointer <" + name + "> already specified" );
assert( !m_funcPointers.contains( name ) );
m_funcPointers[name] = { arguments, require, line };
}
void VulkanHppGenerator::readTypeHandle( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
auto aliasIt = attributes.find( "alias" );
if ( aliasIt != attributes.end() )
{
checkAttributes( line, attributes, { { "alias", {} }, { "category", { "handle" } }, { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string alias = aliasIt->second;
std::string name = attributes.find( "name" )->second;
checkForError( m_handles.contains( alias ), line, "handle <" + name + "> uses unknown alias <" + alias + ">." );
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Handle, {}, line } } ).second, line, "handle <" + name + "> already specified" );
assert( !m_handleAliases.contains( name ) );
m_handleAliases[name] = { alias, line };
}
else
{
checkAttributes( line, attributes, { { "category", { "handle" } }, { "objtypeenum", {} } }, { { "parent", {} } } );
HandleData handleData;
handleData.xmlLine = line;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "objtypeenum" )
{
handleData.objTypeEnum = attribute.second;
}
else if ( attribute.first == "parent" )
{
handleData.parent = attribute.second;
}
}
NameData nameData;
TypeInfo typeInfo;
std::tie( nameData, typeInfo ) = readNameAndType( element );
handleData.isDispatchable = typeInfo.type == "VK_DEFINE_HANDLE";
checkForError( nameData.name.starts_with( "Vk" ), line, "name <" + nameData.name + "> does not begin with <Vk>" );
checkForError( nameData.arraySizes.empty(), line, "name <" + nameData.name + "> with unsupported arraySizes" );
checkForError( ( typeInfo.type == "VK_DEFINE_HANDLE" ) || ( typeInfo.type == "VK_DEFINE_NON_DISPATCHABLE_HANDLE" ),
line,
"handle with invalid type <" + typeInfo.type + ">" );
checkForError( typeInfo.prefix.empty(), line, "unexpected type prefix <" + typeInfo.prefix + ">" );
checkForError( typeInfo.postfix == "(", line, "unexpected type postfix <" + typeInfo.postfix + ">" );
checkForError( !handleData.objTypeEnum.empty(), line, "handle <" + nameData.name + "> does not specify attribute \"objtypeenum\"" );
checkForError(
m_types.insert( { nameData.name, TypeData{ TypeCategory::Handle, {}, line } } ).second, line, "handle <" + nameData.name + "> already specified" );
assert( !m_handles.contains( nameData.name ) );
m_handles.insert( { nameData.name, handleData } );
}
}
void VulkanHppGenerator::readTypeInclude( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
checkAttributes( line, attributes, { { "category", { "include" } }, { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string name = attributes.find( "name" )->second;
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Include, {}, line } } ).second, line, "type <" + name + "> already specified" );
assert( !m_includes.contains( name ) );
m_includes[name] = { line };
}
void VulkanHppGenerator::readTypeRequires( tinyxml2::XMLElement const * element, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
checkAttributes( line, attributes, { { "name", {} }, { "requires", {} } }, {} );
checkElements( line, getChildElements( element ), {} );
std::string name, require;
for ( auto attribute : attributes )
{
if ( attribute.first == "name" )
{
name = attribute.second;
}
else
{
assert( attribute.first == "requires" );
require = attribute.second;
}
}
checkForError( m_includes.contains( require ), line, "type <" + name + "> requires unknown <" + require + ">" );
checkForError( m_types.insert( { name, TypeData{ TypeCategory::ExternalType, {}, line } } ).second, line, "type <" + name + "> already specified" );
assert( !m_externalTypes.contains( name ) );
m_externalTypes[name] = { require, line };
}
void VulkanHppGenerator::readTypeStruct( tinyxml2::XMLElement const * element, bool isUnion, std::map<std::string, std::string> const & attributes )
{
int line = element->GetLineNum();
auto aliasIt = attributes.find( "alias" );
if ( aliasIt != attributes.end() )
{
checkAttributes( line, attributes, { { "alias", {} }, { "category", { "struct" } }, { "name", {} } }, {} );
checkElements( line, getChildElements( element ), {}, {} );
std::string alias = aliasIt->second;
std::string name = attributes.find( "name" )->second;
checkForError( m_types.insert( { name, TypeData{ TypeCategory::Struct, {}, line } } ).second, line, "struct <" + name + "> already specified" );
assert( !m_structAliases.contains( name ) );
m_structAliases[name] = { alias, line };
}
else
{
checkAttributes( line,
attributes,
{ { "category", { isUnion ? "union" : "struct" } }, { "name", {} } },
{ { "allowduplicate", { "false", "true" } }, { "comment", {} }, { "returnedonly", { "true" } }, { "structextends", {} } } );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, {}, { "member", "comment" } );
StructureData structureData;
structureData.xmlLine = line;
structureData.isUnion = isUnion;
std::string name;
for ( auto const & attribute : attributes )
{
if ( attribute.first == "allowduplicate" )
{
structureData.allowDuplicate = ( attribute.second == "true" );
}
else if ( attribute.first == "category" )
{
assert( isUnion ? ( attribute.second == "union" ) : ( attribute.second == "struct" ) );
}
else if ( attribute.first == "name" )
{
name = attribute.second;
}
else if ( attribute.first == "returnedonly" )
{
assert( attribute.second == "true" );
structureData.returnedOnly = true;
}
else if ( attribute.first == "structextends" )
{
structureData.structExtends = tokenize( attribute.second, "," );
}
}
assert( !name.empty() );
checkForError( !structureData.allowDuplicate || !structureData.structExtends.empty(),
line,
"attribute <allowduplicate> is true, but no structures are listed in <structextends>" );
checkForError( m_types.insert( { name, TypeData{ isUnion ? TypeCategory::Union : TypeCategory::Struct, {}, line } } ).second,
line,
"struct <" + name + "> already specified" );
assert( !m_structs.contains( name ) );
std::map<std::string, StructureData>::iterator it = m_structs.insert( std::make_pair( name, structureData ) ).first;
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "member" )
{
readStructMember( child, it->second.members, isUnion );
}
}
it->second.subStruct = determineSubStruct( *it );
// add some default values for some structures here!
if ( ( it->first == "VkRayTracingShaderGroupCreateInfoNV" ) || ( it->first == "VkRayTracingShaderGroupCreateInfoKHR" ) )
{
assert( ( ( it->first != "VkRayTracingShaderGroupCreateInfoNV" ) || ( it->second.members.size() == 7 ) ) &&
( ( it->first != "VkRayTracingShaderGroupCreateInfoKHR" ) || ( it->second.members.size() == 8 ) ) );
assert( ( it->second.members[3].name == "generalShader" ) && ( it->second.members[4].name == "closestHitShader" ) &&
( it->second.members[5].name == "anyHitShader" ) && ( it->second.members[6].name == "intersectionShader" ) );
bool isKHR = ( it->first == "VkRayTracingShaderGroupCreateInfoKHR" );
for ( size_t i : { 3, 4, 5, 6 } )
{
it->second.members[i].defaultValue = isKHR ? "VK_SHADER_UNUSED_KHR" : "VK_SHADER_UNUSED_NV";
}
}
// check if multiple structure members use the very same (not empty) len attribute
// Note: even though the arrays are not marked as optional, they still might be mutually exclusive (like in
// VkWriteDescriptorSet)! That is, there's not enough information available in vk.xml to decide on that, so we
// need this external knowledge!
static std::set<std::string> mutualExclusiveStructs = {
"VkAccelerationStructureBuildGeometryInfoKHR", "VkAccelerationStructureTrianglesOpacityMicromapEXT", "VkMicromapBuildInfoEXT", "VkWriteDescriptorSet"
};
static std::set<std::string> multipleLenStructs = { "VkAccelerationStructureTrianglesDisplacementMicromapNV",
"VkImageConstraintsInfoFUCHSIA",
"VkIndirectCommandsLayoutTokenNV",
"VkPresentInfoKHR",
"VkSemaphoreWaitInfo",
"VkSetDescriptorBufferOffsetsInfoEXT",
"VkSubmitInfo",
"VkSubpassDescription",
"VkSubpassDescription2",
"VkWin32KeyedMutexAcquireReleaseInfoKHR",
"VkWin32KeyedMutexAcquireReleaseInfoNV" };
bool warned = false;
for ( auto m0It = it->second.members.begin(); !warned && ( m0It != it->second.members.end() ); ++m0It )
{
if ( !m0It->lenExpressions.empty() && ( m0It->lenExpressions.front() != "null-terminated" ) )
{
for ( auto m1It = std::next( m0It ); !warned && ( m1It != it->second.members.end() ); ++m1It )
{
if ( !m1It->lenExpressions.empty() && ( m0It->lenExpressions.front() == m1It->lenExpressions.front() ) )
{
if ( mutualExclusiveStructs.contains( it->first ) )
{
it->second.mutualExclusiveLens = true;
}
else
{
checkForWarning(
multipleLenStructs.contains( it->first ),
line,
"Encountered structure <" + it->first +
"> with multiple members referencing the same member for len. Need to be checked if they are supposed to be mutually exclusive." );
warned = true;
}
}
}
}
}
m_extendedStructs.insert( structureData.structExtends.begin(), structureData.structExtends.end() );
}
}
void VulkanHppGenerator::readTypes( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
checkAttributes( line, getAttributes( element ), { { "comment", {} } }, {} );
std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
checkElements( line, children, { { "comment", false }, { "type", false } } );
for ( auto child : children )
{
std::string value = child->Value();
if ( value == "type" )
{
readTypesType( child );
}
}
}
void VulkanHppGenerator::readTypesType( tinyxml2::XMLElement const * element )
{
int line = element->GetLineNum();
std::map<std::string, std::string> attributes = getAttributes( element );
auto categoryIt = attributes.find( "category" );
if ( categoryIt != attributes.end() )
{
if ( categoryIt->second == "basetype" )
{
readTypeBasetype( element, attributes );
}
else if ( categoryIt->second == "bitmask" )
{
readTypeBitmask( element, attributes );
}
else if ( categoryIt->second == "define" )
{
readTypeDefine( element, attributes );
}
else if ( categoryIt->second == "enum" )
{
readTypeEnum( element, attributes );
}
else if ( categoryIt->second == "funcpointer" )
{
readTypeFuncpointer( element, attributes );
}
else if ( categoryIt->second == "handle" )
{
readTypeHandle( element, attributes );
}
else if ( categoryIt->second == "include" )
{
readTypeInclude( element, attributes );
}
else if ( ( categoryIt->second == "struct" ) || ( categoryIt->second == "union" ) )
{
readTypeStruct( element, ( categoryIt->second == "union" ), attributes );
}
else
{
checkForError( false, line, "unknown category <" + categoryIt->second + "> encountered" );
}
}
else
{
auto requiresIt = attributes.find( "requires" );
if ( requiresIt != attributes.end() )
{
readTypeRequires( element, attributes );
}
else
{
checkForError( ( attributes.size() == 1 ) && ( attributes.begin()->first == "name" ) && ( attributes.begin()->second == "int" ), line, "unknown type" );
checkForError( m_types.insert( { "int", TypeData{ TypeCategory::Unknown, {}, line } } ).second, line, "type <int> already specified" );
}
}
}
TypeInfo VulkanHppGenerator::readTypeInfo( tinyxml2::XMLElement const * element ) const
{
TypeInfo typeInfo;
tinyxml2::XMLNode const * previousSibling = element->PreviousSibling();
if ( previousSibling && previousSibling->ToText() )
{
typeInfo.prefix = trim( previousSibling->Value() );
}
typeInfo.type = element->GetText();
tinyxml2::XMLNode const * nextSibling = element->NextSibling();
if ( nextSibling && nextSibling->ToText() )
{
typeInfo.postfix = trimStars( trimEnd( nextSibling->Value() ) );
}
return typeInfo;
}
void VulkanHppGenerator::registerDeleter( std::string const & commandName, CommandData const & commandData )
{
// some special handling for release functions that don't release an object
const std::set<std::string> noDeleterFunctions = { "vkReleaseFullScreenExclusiveModeEXT", "vkReleaseProfilingLockKHR", "vkReleaseSwapchainImagesEXT" };
if ( ( commandName.substr( 2, 7 ) == "Destroy" ) || ( commandName.substr( 2, 4 ) == "Free" ) ||
( ( commandName.substr( 2, 7 ) == "Release" ) && !noDeleterFunctions.contains( commandName ) ) )
{
std::string key;
size_t valueIndex;
switch ( commandData.params.size() )
{
case 2:
if ( commandData.params.back().type.type == "VkAllocationCallbacks" )
{
key = "";
valueIndex = 0;
}
else
{
key = commandData.params[0].type.type;
valueIndex = 1;
}
break;
case 3:
assert( commandData.params.back().type.type == "VkAllocationCallbacks" );
key = commandData.params[0].type.type;
valueIndex = 1;
break;
case 4:
key = commandData.params[0].type.type;
valueIndex = 3;
assert( m_handles.contains( commandData.params[valueIndex].type.type ) );
m_handles.find( commandData.params[valueIndex].type.type )->second.deletePool = commandData.params[1].type.type;
break;
default: assert( false ); valueIndex = 0;
}
auto keyHandleIt = m_handles.find( key );
assert( keyHandleIt != m_handles.end() );
keyHandleIt->second.childrenHandles.insert( commandData.params[valueIndex].type.type );
auto handleIt = m_handles.find( commandData.params[valueIndex].type.type );
assert( handleIt != m_handles.end() );
handleIt->second.deleteCommand = commandName;
handleIt->second.destructorType = key;
}
}
void VulkanHppGenerator::rescheduleRAIIHandle( std::string & str,
std::pair<std::string, HandleData> const & handle,
std::set<std::string> & listedHandles,
std::set<std::string> const & specialFunctions ) const
{
listedHandles.insert( handle.first );
if ( !handle.second.parent.empty() && !listedHandles.contains( handle.second.parent ) )
{
auto parentIt = m_handles.find( handle.second.parent );
assert( parentIt != m_handles.end() );
str += generateRAIIHandle( *parentIt, listedHandles, specialFunctions );
}
for ( auto constructorIt : handle.second.constructorIts )
{
for ( auto const & param : constructorIt->second.params )
{
auto handleIt = m_handles.find( param.type.type );
if ( handleIt != m_handles.end() && !listedHandles.contains( param.type.type ) )
{
str += generateRAIIHandle( *handleIt, listedHandles, specialFunctions );
}
}
}
}
std::vector<std::string> VulkanHppGenerator::selectCommandsByHandle( std::vector<RequireData> const & requireData,
std::set<std::string> const & handleCommands,
std::set<std::string> & listedCommands ) const
{
std::vector<std::string> selectedCommands;
for ( auto const & require : requireData )
{
for ( auto const & command : require.commands )
{
if ( handleCommands.contains( command ) && listedCommands.insert( command ).second )
{
selectedCommands.push_back( command );
}
}
}
return selectedCommands;
}
bool VulkanHppGenerator::skipLeadingGrandParent( std::pair<std::string, HandleData> const & handle ) const
{
bool skip = false;
assert( !handle.second.constructorIts.empty() );
auto constructorIt = handle.second.constructorIts.begin();
if ( ( 1 < ( *constructorIt )->second.params.size() ) && isHandleType( ( *constructorIt )->second.params[0].type.type ) &&
( ( *constructorIt )->second.params[1].type.type == handle.second.parent ) )
{
auto parentIt = m_handles.find( handle.second.parent );
assert( parentIt != m_handles.end() );
skip = ( ( *constructorIt )->second.params[0].type.type == parentIt->second.parent );
#if !defined( NDEBUG )
for ( auto it = std::next( constructorIt ); it != handle.second.constructorIts.end(); ++it )
{
assert( ( *it )->second.params[0].type.type == ( *constructorIt )->second.params[0].type.type );
assert( !skip || ( ( *it )->second.params[1].type.type == ( *constructorIt )->second.params[1].type.type ) );
}
#endif
}
return skip;
}
std::string VulkanHppGenerator::stripPluralS( std::string const & name ) const
{
std::string strippedName = name;
std::string tag = findTag( name );
if ( strippedName.ends_with( "s" + tag ) )
{
size_t pos = strippedName.rfind( 's' );
if ( ( 2 <= pos ) && ( strippedName.substr( pos - 2, 3 ) == "ies" ) )
{
strippedName.replace( pos - 2, 3, "y" );
}
else
{
strippedName.erase( pos, 1 );
}
}
return strippedName;
}
std::string VulkanHppGenerator::toString( TypeCategory category )
{
switch ( category )
{
case TypeCategory::Bitmask: return "bitmask";
case TypeCategory::BaseType: return "basetype";
case TypeCategory::Define: return "define";
case TypeCategory::Enum: return "enum";
case TypeCategory::ExternalType: return "ExternalType";
case TypeCategory::FuncPointer: return "funcpointer";
case TypeCategory::Handle: return "handle";
case TypeCategory::Struct: return "struct";
case TypeCategory::Union: return "union";
case TypeCategory::Unknown: return "unkown";
default: assert( false ); return "";
}
}
void VulkanHppGenerator::EnumData::addEnumAlias( int line, std::string const & name, std::string const & alias, std::string const & protect, bool supported )
{
auto & valuesRef = supported ? values : unsupportedValues;
auto valueIt = std::find_if( valuesRef.begin(), valuesRef.end(), [&name]( EnumValueData const & evd ) { return evd.name == name; } );
if ( valueIt != valuesRef.end() )
{
if ( supported )
{
checkForError( ( valueIt->alias == alias ) && ( valueIt->protect == protect ) && valueIt->bitpos.empty() && valueIt->value.empty(),
line,
"enum alias <" + name + "> already specified with different attributes" );
}
else
{
checkForWarning( ( valueIt->alias == alias ) && ( valueIt->protect == protect ) && valueIt->bitpos.empty() && valueIt->value.empty(),
line,
"enum alias <" + name + "> already specified with different attributes" );
}
}
else
{
valuesRef.push_back( { alias, "", name, protect, "", line } );
}
}
void VulkanHppGenerator::EnumData::addEnumValue(
int line, std::string const & name, std::string const & protect, std::string const & bitpos, std::string const & value, bool supported )
{
auto & valuesRef = supported ? values : unsupportedValues;
auto valueIt = std::find_if( valuesRef.begin(), valuesRef.end(), [&name]( EnumValueData const & evd ) { return evd.name == name; } );
if ( valueIt != valuesRef.end() )
{
checkForError( valueIt->alias.empty() && ( valueIt->protect == protect ) && ( valueIt->bitpos == bitpos ) && ( valueIt->value == value ),
line,
"enum value <" + name + "> already specified with different attributes" );
}
else
{
valuesRef.push_back( { "", bitpos, name, protect, value, line } );
}
}
//
// VulkanHppGenerator local functions
//
std::vector<std::pair<std::string, size_t>> filterNumbers( std::vector<std::string> const & names )
{
std::vector<std::pair<std::string, size_t>> filteredNames;
for ( auto const & name : names )
{
if ( !isNumber( name ) )
{
filteredNames.push_back( { name, ~0 } );
}
}
return filteredNames;
}
std::string generateCArraySizes( std::vector<std::string> const & sizes )
{
std::string arraySizes;
for ( auto const & s : sizes )
{
arraySizes += "[" + s + "]";
}
return arraySizes;
}
std::string generateNamespacedType( std::string const & type )
{
return type.starts_with( "Vk" ) ? ( "VULKAN_HPP_NAMESPACE::" + stripPrefix( type, "Vk" ) ) : type;
}
std::string generateNoDiscard( bool returnsSomething, bool multiSuccessCodes, bool multiErrorCodes )
{
return ( returnsSomething || multiSuccessCodes ) ? "VULKAN_HPP_NODISCARD " : ( multiErrorCodes ? "VULKAN_HPP_NODISCARD_WHEN_NO_EXCEPTIONS " : "" );
}
std::string generateStandardArray( std::string const & type, std::vector<std::string> const & sizes )
{
std::string arrayString = "std::array<" + type + "," + sizes.back() + ">";
for ( size_t i = sizes.size() - 2; i < sizes.size(); i-- )
{
arrayString = "std::array<" + arrayString + "," + sizes[i] + ">";
}
return arrayString;
}
bool isAllUpper( std::string const & name )
{
return std::none_of( name.begin(), name.end(), []( auto const & c ) { return c != toupper( c ); } );
}
std::string readSnippet( std::string const & snippetFile )
{
std::ifstream ifs( std::string( BASE_PATH ) + "/snippets/" + snippetFile );
assert( !ifs.fail() );
std::ostringstream oss;
oss << ifs.rdbuf();
return oss.str();
}
std::string startLowerCase( std::string const & input )
{
assert( !input.empty() );
return static_cast<char>( tolower( input[0] ) ) + input.substr( 1 );
}
std::string startUpperCase( std::string const & input )
{
assert( !input.empty() );
return static_cast<char>( toupper( input[0] ) ) + input.substr( 1 );
}
std::vector<std::string> tokenizeAny( std::string const & tokenString, std::string const & separators )
{
size_t len = tokenString.length();
std::vector<std::string> tokens;
if ( !tokenString.empty() )
{
size_t start = 0, end;
do
{
end = tokenString.find_first_of( separators, start );
if ( ( start != end ) && ( start < len ) )
{
tokens.push_back( trim( tokenString.substr( start, end - start ) ) );
}
start = end + 1;
} while ( end != std::string::npos );
}
return tokens;
}
// function to take three or four-vector of strings containing a macro definition, and return
// a tuple with possibly the deprecation reason, possibly the called macro, the macro parameters, and possibly the definition
VulkanHppGenerator::MacroData parseMacro( std::vector<std::string> const & completeMacro )
{
// #define macro definition
// #define macro( params ) definition
// #define macro1 macro2( params )
auto const paramsRegex = std::regex{ R"((\(.*?\)))" };
auto const commentRegex = std::regex{ R"(\s*//.*)" };
auto rawComment = completeMacro[0];
std::erase( rawComment, '/' );
auto const strippedComment = trim( stripPostfix( stripPrefix( rawComment, " DEPRECATED:" ), "#define " ) );
// macro with parameters and implementation
if ( completeMacro.size() == 3 )
{
auto const & paramsAndDefinitionAndTrailingComment = completeMacro[2];
if ( paramsAndDefinitionAndTrailingComment.find( '(' ) == std::string::npos )
{
// no opening parenthesis found => no parameters
return { strippedComment, {}, {}, std::regex_replace( paramsAndDefinitionAndTrailingComment, commentRegex, "" ) };
}
// match the first set of parentheses only
auto paramsMatch = std::smatch{};
std::regex_search( paramsAndDefinitionAndTrailingComment, paramsMatch, paramsRegex );
// remove the leading and trailing parentheses and tokenise the remaining string
auto params = tokenize( stripPrefix( stripPostfix( paramsMatch[1].str(), ")" ), "(" ), "," );
// replace the parameters with empty string, leaving behind the implementation and (possibly) a trailing comment
auto implementation = std::regex_replace( paramsAndDefinitionAndTrailingComment, paramsRegex, "", std::regex_constants::format_first_only );
implementation = implementation.substr( 0, implementation.find( "//" ) );
std::erase( implementation, '\\' );
implementation = trim( implementation );
return { strippedComment, {}, params, implementation };
}
if ( completeMacro.size() == 4 )
{
auto const & calledMacro = toCamelCase( stripPrefix( completeMacro[2], "VK_" ) );
auto const & argsAndTrailingComment = completeMacro[3];
auto argsMatch = std::smatch{};
std::regex_search( argsAndTrailingComment, argsMatch, paramsRegex );
auto args = tokenize( stripPrefix( stripPostfix( argsMatch[1].str(), ")" ), "(" ), "," );
return { strippedComment, calledMacro, args, {} };
}
return {};
}
int main( int argc, char ** argv )
{
if ( ( argc % 2 ) == 0 )
{
std::cout << "VulkanHppGenerator usage: VulkanHppGenerator [-f filename][-api [vulkan|vulkansc]]" << std::endl;
std::cout << "\tdefault for filename is <" << VK_SPEC << ">" << std::endl;
std::cout << "\tdefault for api <vulkan>" << std::endl;
std::cout << "\tsupported values for api are <vulkan> and <vulkansc>" << std::endl;
return -1;
}
std::string api = "vulkan";
std::string filename = VK_SPEC;
for ( int i = 1; i < argc; i += 2 )
{
if ( strcmp( argv[i], "-api" ) == 0 )
{
api = argv[i + 1];
}
else if ( strcmp( argv[i], "-f" ) == 0 )
{
filename = argv[i + 1];
}
else
{
std::cout << "unsupported argument <" << argv[i] << ">" << std::endl;
return -1;
}
}
if ( ( api != "vulkan" ) && ( api != "vulkansc" ) )
{
std::cout << "unsupported api <" << api << ">" << std::endl;
return -1;
}
#if defined( CLANG_FORMAT_EXECUTABLE )
std::cout << "VulkanHppGenerator: Found ";
std::string commandString = "\"" CLANG_FORMAT_EXECUTABLE "\" --version ";
int ret = std::system( commandString.c_str() );
if ( ret != 0 )
{
std::cout << "VulkanHppGenerator: failed to determine clang_format version with error <" << ret << ">\n";
}
#endif
tinyxml2::XMLDocument doc;
std::cout << "VulkanHppGenerator: Loading " << filename << std::endl;
tinyxml2::XMLError error = doc.LoadFile( filename.c_str() );
if ( error != tinyxml2::XML_SUCCESS )
{
std::cout << "VulkanHppGenerator: failed to load file " << filename << " with error <" << toString( error ) << ">" << std::endl;
return -1;
}
try
{
std::cout << "VulkanHppGenerator: Parsing " << filename << std::endl;
VulkanHppGenerator generator( doc, api );
generator.generateHppFile();
generator.generateEnumsHppFile();
generator.generateExtensionInspectionFile();
generator.generateFormatTraitsHppFile();
generator.prepareVulkanFuncs();
generator.generateFuncsHppFile();
generator.generateHandlesHppFile();
generator.generateHashHppFile();
generator.prepareRAIIHandles();
generator.generateMacrosFile();
generator.generateRAIIHppFile();
generator.generateSharedHppFile();
generator.generateStaticAssertionsHppFile();
generator.generateStructsHppFile();
generator.generateToStringHppFile();
generator.generateCppModuleFile();
#if !defined( CLANG_FORMAT_EXECUTABLE )
std::cout << "VulkanHppGenerator: could not find clang-format. The generated files will not be formatted accordingly.\n";
#endif
}
catch ( std::exception const & e )
{
std::cout << "caught exception: " << e.what() << std::endl;
return -1;
}
catch ( ... )
{
std::cout << "caught unknown exception" << std::endl;
return -1;
}
}
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