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0b8dfc3968
Vulkan-Hpp/main.cpp
Markus Tavenrath 0b8dfc3968 Initial revision for Vulkan 1.0
2016-02-16 15:07:55 +01:00

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// Copyright(c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assert.h>
#include <fstream>
#include <iostream>
#include <list>
#include <map>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <tinyxml.h>
#define VK_PROTOTYPES
const std::string licenseHeader(
"// Copyright(c) 2015-2016, NVIDIA CORPORATION. All rights reserved.\n"
"//\n"
"// Redistribution and use in source and binary forms, with or without\n"
"// modification, are permitted provided that the following conditions\n"
"// are met:\n"
"// * Redistributions of source code must retain the above copyright\n"
"// notice, this list of conditions and the following disclaimer.\n"
"// * Redistributions in binary form must reproduce the above copyright\n"
"// notice, this list of conditions and the following disclaimer in the\n"
"// documentation and/or other materials provided with the distribution.\n"
"// * Neither the name of NVIDIA CORPORATION nor the names of its\n"
"// contributors may be used to endorse or promote products derived\n"
"// from this software without specific prior written permission.\n"
"//\n"
"// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY\n"
"// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n"
"// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\n"
"// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\n"
"// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\n"
"// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,\n"
"// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n"
"// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY\n"
"// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n"
"// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n"
"// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"
);
const std::string flagsHeader(
" template <typename BitType, typename MaskType = uint32_t>\n"
" class Flags\n"
" {\n"
" public:\n"
" Flags()\n"
" : m_mask(0)\n"
" {\n"
" }\n"
" \n"
" Flags(BitType bit)\n"
" : m_mask(static_cast<uint32_t>(bit))\n"
" {\n"
" }\n"
" \n"
" Flags(Flags<BitType> const& rhs)\n"
" : m_mask(rhs.m_mask)\n"
" {\n"
" }\n"
" \n"
" Flags<BitType> & operator=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask = rhs.m_mask;\n"
" return *this;\n"
" }\n"
" \n"
" Flags<BitType> & operator|=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask |= rhs.m_mask;\n"
" return *this;\n"
" }\n"
" \n"
" Flags<BitType> & operator&=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask &= rhs.m_mask;\n"
" return *this;\n"
" }\n"
" \n"
" Flags<BitType> & operator^=(Flags<BitType> const& rhs)\n"
" {\n"
" m_mask ^= rhs.m_mask;\n"
" return *this;\n"
" }\n"
" \n"
" Flags<BitType> operator|(Flags<BitType> const& rhs) const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result |= rhs;\n"
" return result;\n"
" }\n"
" \n"
" Flags<BitType> operator&(Flags<BitType> const& rhs) const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result &= rhs;\n"
" return result;\n"
" }\n"
" \n"
" Flags<BitType> operator^(Flags<BitType> const& rhs) const\n"
" {\n"
" Flags<BitType> result(*this);\n"
" result ^= rhs;\n"
" return result;\n"
" }\n"
" \n"
" bool operator!() const\n"
" {\n"
" return !m_mask;\n"
" }\n"
" \n"
" bool operator==(Flags<BitType> const& rhs) const\n"
" {\n"
" return m_mask == rhs.m_mask;\n"
" }\n"
" \n"
" bool operator!=(Flags<BitType> const& rhs) const\n"
" {\n"
" return m_mask != rhs.m_mask;\n"
" }\n"
" \n"
" operator bool() const\n"
" {\n"
" return !!m_mask;\n"
" }\n"
" \n"
" private:\n"
" MaskType m_mask;\n"
" };\n"
" \n"
" template <typename BitType>\n"
" Flags<BitType> operator|(BitType bit, Flags<BitType> const& flags)\n"
" {\n"
" return flags | bit;\n"
" }\n"
" \n"
" template <typename BitType>\n"
" Flags<BitType> operator&(BitType bit, Flags<BitType> const& flags)\n"
" {\n"
" return flags & bit;\n"
" }\n"
" \n"
" template <typename BitType>\n"
" Flags<BitType> operator^(BitType bit, Flags<BitType> const& flags)\n"
" {\n"
" return flags ^ bit;\n"
" }\n"
"\n"
);
struct MemberData
{
std::string type;
std::string name;
std::string arraySize;
std::string pureType;
std::string len;
};
struct StructData
{
bool returnedOnly;
std::vector<MemberData> members;
};
struct NameValue
{
std::string name;
std::string value;
};
struct EnumData
{
bool bitmask;
std::vector<NameValue> members;
};
struct CommandData
{
std::string returnType;
std::vector<MemberData> arguments;
};
struct ExtensionData
{
std::string name;
std::string protect;
std::vector<std::string> elements;
};
struct DependencyData
{
enum class Category
{
COMMAND,
ENUM,
FLAGS,
FUNC_POINTER,
HANDLE,
REQUIRED,
SCALAR,
STRUCT,
UNION
};
DependencyData( Category c, std::string const& n )
: category(c)
, name(n)
{}
Category category;
std::string name;
std::set<std::string> dependencies;
size_t extension;
};
void createDefaults( std::vector<DependencyData> const& dependencies, std::map<std::string,EnumData> const& enums, std::map<std::string,std::string> & defaultValues );
size_t findComplexIndex(CommandData const& commandData, std::vector<std::pair<size_t, size_t>> const& lenParameters);
size_t findReturnIndex(CommandData const& commandData, std::vector<std::pair<size_t, size_t>> const& lenParameters);
std::vector<std::pair<size_t, size_t>> getLenParameters(CommandData const& commandData);
bool noDependencies(std::set<std::string> const& dependencies, std::map<std::string, std::string> & listedTypes);
void readCommandParam( TiXmlElement * element, DependencyData & typeData, std::vector<MemberData> & arguments );
CommandData & readCommandProto( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,CommandData> & commands );
void readCommands( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,CommandData> & commands );
void readCommandsCommand( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,CommandData> & commands );
void readEnums( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,EnumData> & enums, std::set<std::string> & vkTypes );
void readEnumsEnum( TiXmlElement * element, std::string const& prefix, std::string const& postfix, EnumData & enumData );
void readExtensionRequire( TiXmlElement * element, std::vector<std::string> & elements );
void readExtensions( TiXmlElement * element, std::vector<ExtensionData> & extensions );
void readExtensionsExtension( TiXmlElement * element, std::vector<ExtensionData> & extensions );
void readTypeBasetype( TiXmlElement * element, std::list<DependencyData> & dependencies );
void readTypeBitmask( TiXmlElement * element, std::list<DependencyData> & dependencies, std::set<std::string> & flags, std::set<std::string> & vkTypes );
void readTypeDefine( TiXmlElement * element, std::string & version );
void readTypeFuncpointer( TiXmlElement * element, std::list<DependencyData> & dependencies );
void readTypeHandle( TiXmlElement * element, std::list<DependencyData> & dependencies );
void readTypeStruct( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,StructData> & structs, std::set<std::string> & vkTypes );
void readTypeStructMember( TiXmlElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies );
void readTypeUnion( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,StructData> & structs, std::set<std::string> & vkTypes );
void readTypeUnionMember( TiXmlElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies );
void readTypes( TiXmlElement * element, std::string & version, std::list<DependencyData> & dependencies, std::set<std::string> & flags, std::map<std::string,StructData> & structs, std::set<std::string> & vkTypes );
void sortDependencies( std::list<DependencyData> & dependencies, std::vector<ExtensionData> const& extensions, std::vector<std::vector<DependencyData>> & sortedDependencies );
std::string reduceName(std::string const& name);
std::string strip( std::string const& value, std::string const& prefix );
std::string toCamelCase(std::string const& value);
std::string toUpperCase(std::string const& name);
void writeMemberData(std::ofstream & ofs, MemberData const& memberData, std::set<std::string> const& vkTypes);
void writeStructConstructor( std::ofstream & ofs, std::string const& name, std::string const& memberName, StructData const& structData, std::set<std::string> const& vkTypes, std::map<std::string,std::string> const& defaultValues );
void writeStructGetter( std::ofstream & ofs, MemberData const& memberData, std::string const& memberName, std::set<std::string> const& vkTypes );
void writeStructSetter( std::ofstream & ofs, std::string const& name, MemberData const& memberData, std::string const& memberName, std::set<std::string> const& vkTypes, std::map<std::string,StructData> const& structs );
void writeTypeCommand( std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes );
void writeTypeCommandEnhanced(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes);
void writeTypeCommandStandard(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes);
void writeTypeCommandComplexBody(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::map<std::string,std::string> const& nameMap, std::vector<std::pair<size_t, size_t>> const& lenParameters, std::set<size_t> const& argIndices, size_t complexIndex, size_t returnIndex);
void writeTypeCommandSimpleBody(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::map<std::string,std::string> const& nameMap, std::set<size_t> const& argIndices, std::map<size_t,std::vector<size_t>> const& sizeIndices);
void writeTypeEnum(std::ofstream & ofs, DependencyData const& dependencyData, EnumData const& enumData);
void writeTypeFlags( std::ofstream & ofs, DependencyData const& dependencyData );
void writeTypeHandle( std::ofstream & ofs, DependencyData const& dependencyData );
void writeTypeScalar( std::ofstream & ofs, DependencyData const& dependencyData );
void writeTypeStruct( std::ofstream & ofs, DependencyData const& dependencyData, std::set<std::string> const& vkTypes, std::map<std::string,StructData> const& structs, std::map<std::string,std::string> const& defaultValues );
void writeTypeUnion( std::ofstream & ofs, DependencyData const& dependencyData, StructData const& unionData, std::set<std::string> const& vkTypes, std::map<std::string,StructData> const& structs, std::map<std::string,std::string> const& defaultValues );
void writeTypes( std::ofstream & ofs, std::vector<DependencyData> const& dependencies, std::map<std::string,CommandData> const& commands, std::map<std::string,EnumData> const& enums, std::map<std::string,StructData> const& structs, std::map<std::string,std::string> const& defaultValues, std::set<std::string> const& vkTypes );
void writeVersionCheck( std::ofstream & ofs, std::string const& version );
void createDefaults( std::vector<DependencyData> const& dependencies, std::map<std::string,EnumData> const& enums, std::map<std::string,std::string> & defaultValues )
{
for ( std::vector<DependencyData>::const_iterator it = dependencies.begin() ; it != dependencies.end() ; ++it )
{
assert( defaultValues.find( it->name ) == defaultValues.end() );
switch( it->category )
{
case DependencyData::Category::COMMAND : // commands should never be asked for defaults
break;
case DependencyData::Category::ENUM :
assert( enums.find( it->name ) != enums.end() );
defaultValues[it->name] = it->name + "::" + enums.find( it->name )->second.members.front().name;
break;
case DependencyData::Category::FLAGS :
case DependencyData::Category::STRUCT :
case DependencyData::Category::UNION : // just call the default constructor for flags, structs, and structs (which are mapped to classes)
defaultValues[it->name] = it->name + "()";
break;
case DependencyData::Category::FUNC_POINTER : // func_pointers explicitly have no default!
defaultValues[it->name];
break;
case DependencyData::Category::HANDLE : // handles are pointers
defaultValues[it->name] = "nullptr";
break;
case DependencyData::Category::REQUIRED : // all required default to "0"
case DependencyData::Category::SCALAR : // all scalars default to "0"
defaultValues[it->name] = "0";
break;
default :
assert( false );
break;
}
}
}
size_t findComplexIndex(CommandData const& commandData, std::vector<std::pair<size_t, size_t>> const& lenParameters)
{
for (size_t i = 0; i < lenParameters.size(); i++)
{
if ((lenParameters[i].second != ~0) && (commandData.arguments[lenParameters[i].second].type.find("*") != std::string::npos))
{
#if !defined(NDEBUG)
for (size_t j = i + 1; j < lenParameters.size(); j++)
{
assert((lenParameters[i].second == ~0) || (commandData.arguments[lenParameters[i].second].type.find("*") == std::string::npos));
}
#endif
return i;
}
}
return ~0;
}
size_t findReturnIndex(CommandData const& commandData, std::vector<std::pair<size_t, size_t>> const& lenParameters)
{
for (size_t i = 0; i < lenParameters.size(); i++)
{
if (commandData.arguments[lenParameters[i].first].type.find("const") == std::string::npos)
{
#if !defined(NDEBUG)
for (size_t j = i + 1; j < lenParameters.size(); j++)
{
assert(commandData.arguments[lenParameters[j].first].type.find("const") == 0);
}
#endif
return i;
}
}
return ~0;
}
std::vector<std::pair<size_t, size_t>> getLenParameters(CommandData const& commandData)
{
std::vector<std::pair<size_t,size_t>> lenParameters;
for (size_t i = 0; i < commandData.arguments.size(); i++)
{
if (!commandData.arguments[i].len.empty())
{
lenParameters.push_back(std::make_pair(i, ~0));
for (size_t j = 0; j < commandData.arguments.size(); j++)
{
if (commandData.arguments[i].len == commandData.arguments[j].name)
{
lenParameters.back().second = j;
}
}
assert( (lenParameters.back().second != ~0)
|| (commandData.arguments[i].len == "dataSize/4")
|| (commandData.arguments[i].len == "null-terminated")
|| (commandData.arguments[i].len == "pAllocateInfo->descriptorSetCount")
|| (commandData.arguments[i].len == "pAllocateInfo->commandBufferCount"));
assert((lenParameters.back().second == ~0) || (lenParameters.back().second < lenParameters.back().first));
}
}
return std::move(lenParameters);
}
bool noDependencies(std::set<std::string> const& dependencies, std::set<std::string> & listedTypes)
{
bool ok = true;
for ( std::set<std::string>::const_iterator it = dependencies.begin() ; it != dependencies.end() && ok ; ++it )
{
ok = ( listedTypes.find( *it ) != listedTypes.end() );
}
return( ok );
}
void readCommandParam( TiXmlElement * element, DependencyData & typeData, std::vector<MemberData> & arguments )
{
arguments.push_back( MemberData() );
MemberData & arg = arguments.back();
if (element->Attribute("len"))
{
arg.len = element->Attribute("len");
}
TiXmlNode * child = element->FirstChild();
assert( child );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
assert( ( strcmp( child->Value(), "const" ) == 0 ) || ( strcmp( child->Value(), "struct" ) == 0 ) );
arg.type = std::string( child->Value() ) + " ";
child = child->NextSibling();
assert( child );
}
assert( child->Type() == TiXmlNode::TINYXML_ELEMENT );
assert( ( strcmp( child->Value(), "type" ) == 0 ) && child->ToElement() && child->ToElement()->GetText() );
std::string type = strip( child->ToElement()->GetText(), "Vk" );
typeData.dependencies.insert( type );
arg.type += type;
arg.pureType = type;
child = child->NextSibling();
assert( child );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
std::string value = child->Value();
assert( ( value == "*" ) || ( value == "**" ) || ( value == "* const*" ) );
arg.type += value;
child = child->NextSibling();
}
assert( ( child->Type() == TiXmlNode::TINYXML_ELEMENT ) && ( strcmp( child->Value(), "name" ) == 0 ) && child->ToElement() );
arg.name = child->ToElement()->GetText();
if ( arg.name.back() == ']' )
{
assert( !child->NextSibling() );
size_t pos = arg.name.find( '[' );
assert( pos != std::string::npos );
arg.arraySize = arg.name.substr( pos + 1, arg.name.length() - 2 - pos );
arg.name.erase( pos );
}
child = child->NextSibling();
if ( child )
{
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
std::string value = child->Value();
if ( value == "[" )
{
child = child->NextSibling();
assert( child );
assert( ( child->Type() == TiXmlNode::TINYXML_ELEMENT ) && ( strcmp( child->Value(), "enum" ) == 0 ) );
arg.arraySize = child->ToElement()->GetText();
child = child->NextSibling();
assert( child );
assert( child->Type() == TiXmlNode::TINYXML_TEXT );
assert( strcmp( child->Value(), "]" ) == 0 );
assert( !child->NextSibling() );
}
else
{
assert( ( value.front() == '[' ) && ( value.back() == ']' ) );
arg.arraySize = value.substr( 1, value.length() - 2 );
assert( !child->NextSibling() );
}
}
}
}
CommandData & readCommandProto( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,CommandData> & commands )
{
TiXmlElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) );
TiXmlElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) );
assert( !nameElement->NextSiblingElement() );
std::string type = strip( typeElement->GetText(), "Vk" );
std::string name = strip( nameElement->GetText(), "vk" );
assert( isupper( name[0] ) );
name[0] = tolower( name[0] );
dependencies.push_back( DependencyData( DependencyData::Category::COMMAND, name ) );
assert( commands.find( name ) == commands.end() );
std::map<std::string,CommandData>::iterator it = commands.insert( std::make_pair( name, CommandData() ) ).first;
it->second.returnType = type;
return it->second;
}
void readCommands( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,CommandData> & commands )
{
TiXmlElement * child = element->FirstChildElement();
assert( child );
do
{
assert( strcmp( child->Value(), "command" ) == 0 );
readCommandsCommand( child, dependencies, commands );
} while ( child = child->NextSiblingElement() );
}
void readCommandsCommand( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,CommandData> & commands )
{
TiXmlElement * child = element->FirstChildElement();
assert( child && ( strcmp( child->Value(), "proto" ) == 0 ) );
CommandData & commandData = readCommandProto( child, dependencies, commands );
while ( child = child->NextSiblingElement() )
{
std::string value = child->Value();
if ( value == "param" )
{
readCommandParam(child, dependencies.back(), commandData.arguments);
}
else
{
assert( ( value == "implicitexternsyncparams" ) || ( value == "validity" ) );
}
}
}
void readEnums( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,EnumData> & enums, std::set<std::string> & vkTypes )
{
assert( element->Attribute( "name" ) );
std::string name = strip( element->Attribute( "name" ), "Vk" );
if ( name != "API Constants" )
{
dependencies.push_back( DependencyData( DependencyData::Category::ENUM, name ) );
std::map<std::string,EnumData>::iterator it = enums.insert( std::make_pair( name, EnumData() ) ).first;
assert( element->Attribute( "type" ) );
std::string type = element->Attribute( "type" );
assert( ( type == "bitmask" ) || ( type == "enum" ) );
it->second.bitmask = ( type == "bitmask" );
std::string prefix, postfix;
if ( it->second.bitmask )
{
size_t pos = name.find( "FlagBits" );
assert( pos != std::string::npos );
prefix = "VK" + toUpperCase( name.substr( 0, pos ) ) + "_";
postfix = "Bit";
}
else
{
prefix = "VK" + toUpperCase( name ) + "_";
}
readEnumsEnum( element, prefix, postfix, it->second );
assert( vkTypes.find( name ) == vkTypes.end() );
vkTypes.insert( name );
}
}
void readEnumsEnum( TiXmlElement * element, std::string const& prefix, std::string const& postfix, EnumData & enumData )
{
TiXmlElement * child = element->FirstChildElement();
do
{
if ( child->Attribute( "name" ) )
{
enumData.members.push_back( NameValue() );
enumData.members.back().name = "e" + toCamelCase( strip( child->Attribute( "name" ), prefix ) );
enumData.members.back().value = child->Attribute( "name" );
if ( !postfix.empty() )
{
size_t pos = enumData.members.back().name.find( postfix );
if ( pos != std::string::npos )
{
enumData.members.back().name.erase( pos );
}
}
}
} while ( child = child->NextSiblingElement() );
}
void readExtensionRequire( TiXmlElement * element, std::vector<std::string> & elements )
{
TiXmlElement * child = element->FirstChildElement();
do
{
std::string value = child->Value();
assert( child->Attribute( "name" ) );
if ( value == "command" )
{
elements.push_back( strip( child->Attribute( "name" ), "vk" ) );
assert( isupper( elements.back()[0] ) );
elements.back()[0] = tolower( elements.back()[0] );
}
else if ( value == "type" )
{
elements.push_back( strip( child->Attribute( "name" ), "Vk" ) );
}
else
{
assert( value == "enum" );
}
} while ( child = child->NextSiblingElement() );
}
void readExtensions( TiXmlElement * element, std::vector<ExtensionData> & extensions )
{
TiXmlElement * child = element->FirstChildElement();
assert( child );
do
{
assert( strcmp( child->Value(), "extension" ) == 0 );
readExtensionsExtension( child, extensions );
} while ( child = child->NextSiblingElement() );
}
void readExtensionsExtension( TiXmlElement * element, std::vector<ExtensionData> & extensions )
{
extensions.push_back( ExtensionData() );
ExtensionData & ext = extensions.back();
assert( element->Attribute( "name" ) );
ext.name = element->Attribute( "name" );
if ( element->Attribute( "protect" ) )
{
ext.protect = element->Attribute( "protect" );
}
TiXmlElement * child = element->FirstChildElement();
assert( child && ( strcmp( child->Value(), "require" ) == 0 ) && !child->NextSiblingElement() );
readExtensionRequire( child, ext.elements );
}
void readTypeBasetype( TiXmlElement * element, std::list<DependencyData> & dependencies )
{
TiXmlElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) && typeElement->GetText() );
std::string type = typeElement->GetText();
assert( ( type == "uint32_t" ) || ( type == "uint64_t" ) );
TiXmlElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) && nameElement->GetText() );
std::string name = strip( nameElement->GetText(), "Vk" );
// skip "Flags",
if ( name != "Flags" )
{
dependencies.push_back( DependencyData( DependencyData::Category::SCALAR, name ) );
dependencies.back().dependencies.insert( type );
}
else
{
assert( type == "uint32_t" );
}
}
void readTypeBitmask( TiXmlElement * element, std::list<DependencyData> & dependencies, std::set<std::string> & flags, std::set<std::string> & vkTypes )
{
TiXmlElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) && typeElement->GetText() && ( strcmp( typeElement->GetText(), "VkFlags" ) == 0 ) );
std::string type = typeElement->GetText();
TiXmlElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) && nameElement->GetText() );
std::string name = strip( nameElement->GetText(), "Vk" );
assert( !nameElement->NextSiblingElement() );
if ( element->Attribute( "requires" ) )
{
std::string requires = strip( element->Attribute( "requires" ), "Vk" );
dependencies.push_back( DependencyData( DependencyData::Category::FLAGS, name ) );
dependencies.back().dependencies.insert( requires );
flags.insert( name );
assert( vkTypes.find( name ) == vkTypes.end() );
vkTypes.insert( name );
}
else
{
dependencies.push_back( DependencyData( DependencyData::Category::SCALAR, name ) );
dependencies.back().dependencies.insert( type );
}
}
void readTypeDefine( TiXmlElement * element, std::string & version )
{
TiXmlElement * child = element->FirstChildElement();
if ( child && ( strcmp( child->GetText(), "VK_API_VERSION" ) == 0 ) )
{
version = element->LastChild()->ToText()->Value();
}
}
void readTypeFuncpointer( TiXmlElement * element, std::list<DependencyData> & dependencies )
{
TiXmlElement * child = element->FirstChildElement();
assert( child && ( strcmp( child->Value(), "name" ) == 0 ) && child->GetText() );
dependencies.push_back( DependencyData( DependencyData::Category::FUNC_POINTER, child->GetText() ) );
}
void readTypeHandle( TiXmlElement * element, std::list<DependencyData> & dependencies )
{
TiXmlElement * typeElement = element->FirstChildElement();
assert( typeElement && ( strcmp( typeElement->Value(), "type" ) == 0 ) && typeElement->GetText() );
#if !defined(NDEBUG)
std::string type = typeElement->GetText();
assert( type.find( "VK_DEFINE" ) == 0 );
#endif
TiXmlElement * nameElement = typeElement->NextSiblingElement();
assert( nameElement && ( strcmp( nameElement->Value(), "name" ) == 0 ) && nameElement->GetText() );
std::string name = strip( nameElement->GetText(), "Vk" );
dependencies.push_back( DependencyData( DependencyData::Category::HANDLE, name ) );
}
void readTypeStructMember( TiXmlElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies )
{
members.push_back( MemberData() );
MemberData & member = members.back();
TiXmlNode * child = element->FirstChild();
assert( child );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
assert( ( strcmp( child->Value(), "const" ) == 0 ) || ( strcmp( child->Value(), "struct" ) == 0 ) );
member.type = std::string( child->Value() ) + " ";
child = child->NextSibling();
assert( child );
}
assert( child->Type() == TiXmlNode::TINYXML_ELEMENT );
assert( ( strcmp( child->Value(), "type" ) == 0 ) && child->ToElement() && child->ToElement()->GetText() );
std::string type = strip( child->ToElement()->GetText(), "Vk" );
dependencies.insert( type );
member.type += type;
member.pureType = type;
child = child->NextSibling();
assert( child );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
std::string value = child->Value();
assert( ( value == "*" ) || ( value == "**" ) || ( value == "* const*" ) );
member.type += value;
child = child->NextSibling();
}
assert( ( child->Type() == TiXmlNode::TINYXML_ELEMENT ) && ( strcmp( child->Value(), "name" ) == 0 ) && child->ToElement() );
member.name = child->ToElement()->GetText();
if ( member.name.back() == ']' )
{
assert( !child->NextSibling() );
size_t pos = member.name.find( '[' );
assert( pos != std::string::npos );
member.arraySize = member.name.substr( pos + 1, member.name.length() - 2 - pos );
member.name.erase( pos );
}
child = child->NextSibling();
if ( child )
{
assert( member.arraySize.empty() );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
std::string value = child->Value();
if ( value == "[" )
{
child = child->NextSibling();
assert( child );
assert( ( child->Type() == TiXmlNode::TINYXML_ELEMENT ) && ( strcmp( child->Value(), "enum" ) == 0 ) );
member.arraySize = child->ToElement()->GetText();
child = child->NextSibling();
assert( child );
assert( child->Type() == TiXmlNode::TINYXML_TEXT );
assert( strcmp( child->Value(), "]" ) == 0 );
assert( !child->NextSibling() );
}
else
{
assert( ( value.front() == '[' ) && ( value.back() == ']' ) );
member.arraySize = value.substr( 1, value.length() - 2 );
assert( !child->NextSibling() );
}
}
}
}
void readTypeStruct( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,StructData> & structs, std::set<std::string> & vkTypes )
{
assert( !element->Attribute( "returnedonly" ) || ( strcmp( element->Attribute( "returnedonly" ), "true" ) == 0 ) );
assert( element->Attribute( "name" ) );
std::string name = strip( element->Attribute( "name" ), "Vk" );
if ( name == "Rect3D" )
{
return;
}
dependencies.push_back( DependencyData( DependencyData::Category::STRUCT, name ) );
assert( structs.find( name ) == structs.end() );
std::map<std::string,StructData>::iterator it = structs.insert( std::make_pair( name, StructData() ) ).first;
it->second.returnedOnly = !!element->Attribute( "returnedonly" );
TiXmlElement * child = element->FirstChildElement();
do
{
assert( child->Value() );
std::string value = child->Value();
if ( value == "member" )
{
readTypeStructMember( child, it->second.members, dependencies.back().dependencies );
}
else
{
assert( value == "validity" );
}
} while ( child = child->NextSiblingElement() );
assert( vkTypes.find( name ) == vkTypes.end() );
vkTypes.insert( name );
}
void readTypeUnionMember( TiXmlElement * element, std::vector<MemberData> & members, std::set<std::string> & dependencies )
{
members.push_back( MemberData() );
MemberData & member = members.back();
TiXmlNode * child = element->FirstChild();
assert( child );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
assert( ( strcmp( child->Value(), "const" ) == 0 ) || ( strcmp( child->Value(), "struct" ) == 0 ) );
member.type = std::string( child->Value() ) + " ";
child = child->NextSibling();
assert( child );
}
assert( child->Type() == TiXmlNode::TINYXML_ELEMENT );
assert( ( strcmp( child->Value(), "type" ) == 0 ) && child->ToElement() && child->ToElement()->GetText() );
std::string type = strip( child->ToElement()->GetText(), "Vk" );
dependencies.insert( type );
member.type += type;
member.pureType = type;
child = child->NextSibling();
assert( child );
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
std::string value = child->Value();
assert( ( value == "*" ) || ( value == "**" ) || ( value == "* const*" ) );
member.type += value;
child = child->NextSibling();
}
assert( ( child->Type() == TiXmlNode::TINYXML_ELEMENT ) && ( strcmp( child->Value(), "name" ) == 0 ) && child->ToElement() );
member.name = child->ToElement()->GetText();
if ( member.name.back() == ']' )
{
assert( !child->NextSibling() );
size_t pos = member.name.find( '[' );
assert( pos != std::string::npos );
member.arraySize = member.name.substr( pos + 1, member.name.length() - 2 - pos );
member.name.erase( pos );
}
child = child->NextSibling();
if ( child )
{
if ( child->Type() == TiXmlNode::TINYXML_TEXT )
{
std::string value = child->Value();
if ( value == "[" )
{
child = child->NextSibling();
assert( child );
assert( ( child->Type() == TiXmlNode::TINYXML_ELEMENT ) && ( strcmp( child->Value(), "enum" ) == 0 ) );
member.arraySize = child->ToElement()->GetText();
child = child->NextSibling();
assert( child );
assert( child->Type() == TiXmlNode::TINYXML_TEXT );
assert( strcmp( child->Value(), "]" ) == 0 );
assert( !child->NextSibling() );
}
else
{
assert( ( value.front() == '[' ) && ( value.back() == ']' ) );
member.arraySize = value.substr( 1, value.length() - 2 );
assert( !child->NextSibling() );
}
}
}
}
void readTypeUnion( TiXmlElement * element, std::list<DependencyData> & dependencies, std::map<std::string,StructData> & structs, std::set<std::string> & vkTypes )
{
assert( element->Attribute( "name" ) );
std::string name = strip( element->Attribute( "name" ), "Vk" );
dependencies.push_back( DependencyData( DependencyData::Category::UNION, name ) );
assert( structs.find( name ) == structs.end() );
std::map<std::string,StructData>::iterator it = structs.insert( std::make_pair( name, StructData() ) ).first;
TiXmlElement * child = element->FirstChildElement();
do
{
assert( strcmp( child->Value(), "member" ) == 0 );
readTypeUnionMember( child, it->second.members, dependencies.back().dependencies );
} while ( child = child->NextSiblingElement() );
assert( vkTypes.find( name ) == vkTypes.end() );
vkTypes.insert( name );
}
void readTypes( TiXmlElement * element, std::string & version, std::list<DependencyData> & dependencies, std::set<std::string> & flags, std::map<std::string,StructData> & structs, std::set<std::string> & vkTypes )
{
TiXmlElement * child = element->FirstChildElement();
do
{
assert( strcmp( child->Value(), "type" ) == 0 );
std::string type = child->Value();
assert( type == "type" );
if ( child->Attribute( "category" ) )
{
std::string category = child->Attribute( "category" );
if ( category == "basetype" )
{
readTypeBasetype( child, dependencies );
}
else if ( category == "bitmask" )
{
readTypeBitmask( child, dependencies, flags, vkTypes );
}
else if ( category == "define" )
{
readTypeDefine( child, version );
}
else if ( category == "funcpointer" )
{
readTypeFuncpointer( child, dependencies );
}
else if ( category == "handle" )
{
readTypeHandle( child, dependencies );
}
else if ( category == "struct" )
{
readTypeStruct( child, dependencies, structs, vkTypes );
}
else if ( category == "union" )
{
readTypeUnion( child, dependencies, structs, vkTypes );
}
else
{
assert( ( category == "enum" ) || ( category == "include" ) );
}
}
else
{
assert( child->Attribute( "requires" ) && child->Attribute( "name" ) );
dependencies.push_back( DependencyData( DependencyData::Category::REQUIRED, child->Attribute( "name" ) ) );
}
} while ( child = child->NextSiblingElement() );
}
void sortDependencies( std::list<DependencyData> & dependencies, std::vector<ExtensionData> const& extensions, std::vector<std::vector<DependencyData>> & sortedDependencies )
{
std::set<std::string> listedTypes = { "VkFlags" };
std::map<std::string,size_t> extensionMap;
for ( size_t i=0 ; i<extensions.size() ; i++ )
{
for ( size_t j=0 ; j<extensions[i].elements.size() ; j++ )
{
assert( extensionMap.find( extensions[i].elements[j] ) == extensionMap.end() );
extensionMap[extensions[i].elements[j]] = i + 1;
}
}
sortedDependencies.resize( extensions.size() + 1 );
while ( !dependencies.empty() )
{
#if !defined(NDEBUG)
bool ok = false;
#endif
for ( std::list<DependencyData>::iterator it = dependencies.begin() ; it != dependencies.end() ; ++it )
{
if ( noDependencies( it->dependencies, listedTypes ) )
{
std::map<std::string,size_t>::iterator extMapIt = extensionMap.find( it->name );
size_t idx = ( extMapIt != extensionMap.end() ) ? extMapIt->second : 0;
sortedDependencies[idx].push_back( *it );
listedTypes.insert( it->name );
dependencies.erase( it );
#if !defined(NDEBUG)
ok = true;
#endif
break;
}
}
assert( ok );
}
}
std::string reduceName(std::string const& name)
{
assert((1 < name.length()) && (name[0] == 'p') && (isupper(name[1])));
std::string reducedName = strip(name, "p");
reducedName[0] = tolower(reducedName[0]);
return reducedName;
}
std::string strip( std::string const& value, std::string const& prefix )
{
if ( value.find( prefix ) == 0 )
{
return value.substr( prefix.length() );
}
return value;
}
std::string toCamelCase(std::string const& value)
{
assert(!value.empty() && (isupper(value[0]) || isdigit(value[0])));
std::string result;
result.reserve(value.size());
result.push_back(value[0]);
for (size_t i = 1; i < value.size(); i++)
{
if (value[i] != '_')
{
if ((value[i - 1] == '_') || isdigit(value[i-1]))
{
result.push_back(value[i]);
}
else
{
result.push_back(tolower(value[i]));
}
}
}
return result;
}
std::string toUpperCase(std::string const& name)
{
assert(isupper(name.front()));
std::string convertedName;
for (size_t i = 0; i<name.length(); i++)
{
if (isupper(name[i]) && ((i == 0) || islower(name[i - 1]) || isdigit(name[i-1])))
{
convertedName.push_back('_');
}
convertedName.push_back(toupper(name[i]));
}
return convertedName;
}
void writeMemberData(std::ofstream & ofs, MemberData const& memberData, std::set<std::string> const& vkTypes)
{
if ( vkTypes.find( memberData.pureType ) != vkTypes.end() )
{
if ( memberData.type.back() == '*' )
{
ofs << "reinterpret_cast<";
if ( memberData.type.find( "const" ) == 0 )
{
ofs << "const ";
}
ofs << "Vk" << memberData.pureType << "*";
}
else
{
ofs << "static_cast<Vk" << memberData.pureType;
}
ofs << ">( " << memberData.name << " )";
}
else
{
ofs << memberData.name;
}
}
void writeStructConstructor( std::ofstream & ofs, std::string const& name, std::string const& memberName, StructData const& structData, std::set<std::string> const& vkTypes, std::map<std::string,std::string> const& defaultValues )
{
// check if there is a member element with no default available
bool noDefault = false;
for (size_t i = 0; i < structData.members.size() && !noDefault; i++)
{
std::map<std::string, std::string>::const_iterator it = defaultValues.find(structData.members[i].pureType);
assert(it != defaultValues.end());
noDefault = it->second.empty();
}
if (!noDefault)
{
// if there's a default for all memeber, provide a default constructor
ofs << " " << name << "()" << std::endl
<< " : " << name << "( ";
bool listedArgument = false;
for (size_t i = 0; i < structData.members.size(); i++)
{
if (listedArgument)
{
ofs << ", ";
}
if ((structData.members[i].name != "pNext") && (structData.members[i].name != "sType"))
{
if (structData.members[i].type.back() == '*')
{
ofs << "nullptr";
}
else
{
std::map<std::string, std::string>::const_iterator it = defaultValues.find(structData.members[i].pureType);
assert((it != defaultValues.end()) && !it->second.empty());
if (structData.members[i].arraySize.empty())
{
ofs << it->second;
}
else
{
ofs << "{ " << it->second << " }";
}
}
listedArgument = true;
}
}
ofs << " )" << std::endl
<< " {}" << std::endl
<< std::endl;
}
// the constructor with all the elements as arguments
ofs << " " << name << "( ";
std::vector<std::string> noDefaultArgs, defaultArgs;
bool listedArgument = false;
for (size_t i = 0; i<structData.members.size(); i++)
{
if (listedArgument)
{
ofs << ", ";
}
if ((structData.members[i].name != "pNext") && (structData.members[i].name != "sType"))
{
if (structData.members[i].arraySize.empty())
{
ofs << structData.members[i].type + " " + structData.members[i].name;
}
else
{
ofs << "std::array<" + structData.members[i].type + "," + structData.members[i].arraySize + "> const& " + structData.members[i].name;
}
listedArgument = true;
}
}
ofs << ")" << std::endl;
// now the body of the constructor, copying over data from argument list into wrapped struct
ofs << " {" << std::endl;
for ( size_t i=0 ; i<structData.members.size() ; i++ )
{
if ( !structData.members[i].arraySize.empty() )
{
ofs << " memcpy( &" << memberName << "." << structData.members[i].name << ", " << structData.members[i].name << ".data(), " << structData.members[i].arraySize << " * sizeof( " << structData.members[i].type << " ) )";
}
else
{
ofs << " " << memberName << "." << structData.members[i].name << " = ";
if ( structData.members[i].name == "pNext" )
{
ofs << "nullptr";
}
else if ( structData.members[i].name == "sType" )
{
// HACK we need to read <enum extends="VkStructureType"> here for the correct name. In this case the 'generic' rule to create the enums doesn't work
if (name == "DebugReportCallbackCreateInfoEXT")
{
ofs << "VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT";
}
else
{
ofs << "VK_STRUCTURE_TYPE" << toUpperCase(name);
}
}
else
{
writeMemberData( ofs, structData.members[i], vkTypes );
}
}
ofs << ";" << std::endl;
}
ofs << " }" << std::endl
<< std::endl;
}
void writeStructGetter( std::ofstream & ofs, MemberData const& memberData, std::string const& memberName, std::set<std::string> const& vkTypes )
{
ofs << " ";
if ( memberData.type.back() == '*' )
{
if ( memberData.type.find( "const" ) != 0 )
{
ofs << "const ";
}
ofs << memberData.type;
}
else
{
ofs << "const " << memberData.type << ( memberData.arraySize.empty() ? "&" : "*" );
}
ofs << " " << memberData.name << "() const" << std::endl
<< " {" << std::endl
<< " return ";
if ( ! memberData.arraySize.empty() )
{
ofs << "reinterpret_cast<const " << memberData.type << "*>( " << memberName << "." << memberData.name << " )";
}
else if ( memberData.type.back() == '*' )
{
ofs << "reinterpret_cast<" << memberData.type << ">( " << memberName << "." << memberData.name << " )";
}
else if ( vkTypes.find( memberData.pureType ) != vkTypes.end() )
{
ofs << "reinterpret_cast<const " << memberData.pureType << "&>( " << memberName << "." << memberData.name << " )";
}
else
{
ofs << memberName << "." << memberData.name;
}
ofs << ";" << std::endl
<< " }" << std::endl
<< std::endl;
}
void writeStructSetter( std::ofstream & ofs, std::string const& name, MemberData const& memberData, std::string const& memberName, std::set<std::string> const& vkTypes )
{
ofs << " " << name << "& " << memberData.name << "( ";
if ( memberData.arraySize.empty() )
{
ofs << memberData.type << " ";
}
else
{
ofs << "std::array<" << memberData.type << "," << memberData.arraySize << "> ";
}
ofs << memberData.name << " )" << std::endl
<< " {" << std::endl;
if ( !memberData.arraySize.empty() )
{
ofs << " memcpy( &" << memberName << "." << memberData.name << ", " << memberData.name << ".data(), " << memberData.arraySize << " * sizeof( " << memberData.type << " ) )";
}
else
{
ofs << " " << memberName << "." << memberData.name << " = ";
writeMemberData( ofs, memberData, vkTypes );
}
ofs << ";" << std::endl
<< " return *this;" << std::endl
<< " }" << std::endl
<< std::endl;
}
void writeTypeCommand( std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes )
{
writeTypeCommandStandard(ofs, dependencyData, commandData, vkTypes);
writeTypeCommandEnhanced(ofs, dependencyData, commandData, vkTypes);
}
bool hasPointerArguments(CommandData const& commandData)
{
for (size_t i = 0; i < commandData.arguments.size(); i++)
{
size_t pos = commandData.arguments[i].type.find('*');
if ((pos != std::string::npos) && (commandData.arguments[i].type.find('*', pos + 1) == std::string::npos))
{
return true;
}
}
return false;
}
void writeTypeCommandEnhanced(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes)
{
if (hasPointerArguments( commandData ))
{
std::vector<std::pair<size_t, size_t>> lenParameters = getLenParameters(commandData);
ofs << "#ifdef VKCPP_ENHANCED_MODE" << std::endl
<< " inline ";
size_t returnIndex = (commandData.returnType == "void") ? findReturnIndex(commandData, lenParameters) : ~0;
if (returnIndex == ~0)
{
ofs << commandData.returnType;
}
else
{
ofs << "std::vector<" << commandData.arguments[lenParameters[returnIndex].first].pureType << ">";
ofs << std::flush;
}
ofs << " " << dependencyData.name << "( ";
std::set<size_t> argIndices;
std::map<size_t, std::vector<size_t>> sizeIndices;
for (size_t i = 0; i < lenParameters.size(); i++)
{
argIndices.insert(lenParameters[i].first);
if (lenParameters[i].second != ~0)
{
sizeIndices[lenParameters[i].second].push_back( lenParameters[i].first );
}
}
bool argEncounterd = false;
std::map<std::string, std::string> nameMap;
for (size_t i = 0; i < commandData.arguments.size(); i++)
{
nameMap[commandData.arguments[i].name] = commandData.arguments[i].name;
if ((sizeIndices.find(i) != sizeIndices.end()) || ((returnIndex != ~0) && (i == lenParameters[returnIndex].first)))
{
// skip size arguments and the returning arguments
}
else
{
if (argEncounterd)
{
ofs << ", ";
}
if (argIndices.find(i) != argIndices.end())
{
// take a vector or a string here
if (commandData.arguments[i].len == "null-terminated")
{
assert(commandData.arguments[i].pureType == "char");
ofs << "std::string const& ";
}
else
{
std::string dataType = (commandData.arguments[i].pureType == "void") ? "uint8_t" : commandData.arguments[i].pureType;
ofs << "std::vector<" << dataType << "> ";
if (commandData.arguments[i].type.find("const") == 0)
{
ofs << "const";
}
ofs << "&";
}
nameMap[commandData.arguments[i].name] = reduceName(commandData.arguments[i].name);
}
else
{
assert(commandData.arguments[i].arraySize.empty());
std::string type = commandData.arguments[i].type;
size_t pos = type.find('*');
if ((pos != std::string::npos) && (type.find('*', pos + 1) == std::string::npos) && (commandData.arguments[i].name[0] == 'p') && (isupper(commandData.arguments[i].name[1])))
{
type[pos] = '&';
assert(type.find('*') == std::string::npos);
nameMap[commandData.arguments[i].name] = reduceName(commandData.arguments[i].name);
}
ofs << type;
}
ofs << " " << nameMap[commandData.arguments[i].name];
argEncounterd = true;
}
}
ofs << " )" << std::endl
<< " {" << std::endl;
size_t complexIndex = findComplexIndex(commandData, lenParameters);
if (complexIndex == ~0)
{
writeTypeCommandSimpleBody(ofs, dependencyData, commandData, nameMap, argIndices, sizeIndices);
}
else
{
writeTypeCommandComplexBody(ofs, dependencyData, commandData, nameMap, lenParameters, argIndices, complexIndex, returnIndex);
}
ofs << " }" << std::endl
<< "#endif // VKCPP_ENHANCED_MODE" << std::endl
<< std::endl;
}
}
void writeTypeCommandStandard(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::set<std::string> const& vkTypes)
{
ofs << " inline " << commandData.returnType << " " << dependencyData.name << "( ";
for (size_t i = 0; i<commandData.arguments.size(); i++)
{
if (0 < i)
{
ofs << ", ";
}
ofs << commandData.arguments[i].type << " " << commandData.arguments[i].name;
if (!commandData.arguments[i].arraySize.empty())
{
ofs << "[" << commandData.arguments[i].arraySize << "]";
}
}
ofs << " )" << std::endl
<< " {" << std::endl
<< " ";
bool castReturn = false;
if (commandData.returnType != "void")
{
ofs << "return ";
castReturn = (vkTypes.find(commandData.returnType) != vkTypes.end());
if (castReturn)
{
ofs << "static_cast<" << commandData.returnType << ">( ";
}
}
std::string callName(dependencyData.name);
assert(islower(callName[0]));
callName[0] = toupper(callName[0]);
ofs << "vk" << callName << "( ";
for (size_t i = 0; i<commandData.arguments.size(); i++)
{
if (0 < i)
{
ofs << ", ";
}
writeMemberData(ofs, commandData.arguments[i], vkTypes);
}
ofs << " )";
if (castReturn)
{
ofs << " )";
}
ofs << ";" << std::endl
<< " }" << std::endl
<< std::endl;
}
void writeTypeCommandComplexBody(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::map<std::string,std::string> const& nameMap, std::vector<std::pair<size_t, size_t>> const& lenParameters, std::set<size_t> const& argIndices, size_t complexIndex, size_t returnIndex)
{
assert(lenParameters[complexIndex].second != ~0);
ofs << " " << commandData.arguments[lenParameters[complexIndex].second].pureType << " " << nameMap.find(commandData.arguments[lenParameters[complexIndex].second].name)->second << " = 0;" << std::endl;
ofs << " ";
assert((commandData.returnType == "void") || (commandData.returnType == "Result"));
if (commandData.returnType == "Result")
{
ofs << commandData.returnType << " result = ";
}
ofs << dependencyData.name << "( ";
for (size_t i = 0; i<commandData.arguments.size(); i++)
{
auto argit = nameMap.find(commandData.arguments[i].name);
if (0 < i)
{
ofs << ", ";
}
if (i == lenParameters[complexIndex].first)
{
ofs << "nullptr";
}
else if (i == lenParameters[complexIndex].second)
{
ofs << "&" << argit->second;
}
else if (argIndices.find(i) != argIndices.end())
{
ofs << argit->second << ".data()";
}
else
{
ofs << argit->second;
}
}
ofs << " );" << std::endl;
if (commandData.returnType == "Result")
{
ofs << " if ( result == Result::eVkSuccess )" << std::endl
<< " {" << std::endl
<< " ";
}
ofs << " ";
if (returnIndex == ~0)
{
ofs << nameMap.find(commandData.arguments[lenParameters[complexIndex].first].name)->second << ".resize( " << nameMap.find(commandData.arguments[lenParameters[complexIndex].second].name)->second << " );" << std::endl;
}
else
{
ofs << "std::vector<" << commandData.arguments[lenParameters[returnIndex].first].pureType << "> " << nameMap.find(commandData.arguments[lenParameters[returnIndex].first].name)->second << "( " << nameMap.find(commandData.arguments[lenParameters[returnIndex].second].name)->second << " );" << std::endl;
}
ofs << " ";
if (commandData.returnType == "Result")
{
ofs << " result = ";
}
ofs << dependencyData.name << "( ";
for (size_t i = 0; i<commandData.arguments.size(); i++)
{
auto argit = nameMap.find(commandData.arguments[i].name);
if (0 < i)
{
ofs << ", ";
}
if (i == lenParameters[complexIndex].first)
{
ofs << argit->second << ".data()";
}
else if (i == lenParameters[complexIndex].second)
{
ofs << "&" << argit->second;
}
else if (argIndices.find(i) != argIndices.end())
{
ofs << argit->second << ".data()";
}
else
{
ofs << argit->second;
}
}
ofs << " );" << std::endl;
if (commandData.returnType == "Result")
{
assert(returnIndex == ~0);
ofs << " }" << std::endl
<< " return result;" << std::endl;
}
else if (returnIndex != ~0)
{
ofs << " return std::move( " << nameMap.find(commandData.arguments[lenParameters[returnIndex].first].name)->second << " );" << std::endl;
}
}
void writeTypeCommandSimpleBody(std::ofstream & ofs, DependencyData const& dependencyData, CommandData const& commandData, std::map<std::string,std::string> const& nameMap, std::set<size_t> const& argIndices, std::map<size_t, std::vector<size_t>> const& sizeIndices)
{
for (std::map<size_t, std::vector<size_t>>::const_iterator it = sizeIndices.begin(); it != sizeIndices.end(); ++it)
{
if (1 < it->second.size())
{
assert(it->second.size() == 2);
ofs << " assert( " << nameMap.find(commandData.arguments[it->second[0]].name)->second << ".size() <= " << nameMap.find(commandData.arguments[it->second[1]].name)->second << ".size() );" << std::endl;
}
}
ofs << " ";
if (commandData.returnType != "void")
{
ofs << "return ";
}
ofs << dependencyData.name << "( ";
for (size_t i = 0; i < commandData.arguments.size(); i++)
{
auto argit = nameMap.find(commandData.arguments[i].name);
if (0 < i)
{
ofs << ", ";
}
if (argIndices.find(i) != argIndices.end())
{
ofs << argit->second << ".data()";
}
else
{
std::map<size_t, std::vector<size_t>>::const_iterator it = sizeIndices.find(i);
if (it != sizeIndices.end())
{
ofs << "static_cast<" << commandData.arguments[i].type << ">( " << nameMap.find(commandData.arguments[it->second.front()].name)->second << ".size() )";
}
else if (nameMap.find(commandData.arguments[i].name)->second != commandData.arguments[i].name)
{
ofs << "&" << argit->second;
}
else
{
ofs << argit->second;
}
}
}
ofs << " );" << std::endl;
}
void writeTypeEnum( std::ofstream & ofs, DependencyData const& dependencyData, EnumData const& enumData )
{
ofs << " enum class " << dependencyData.name << std::endl
<< " {" << std::endl;
for ( size_t i=0 ; i<enumData.members.size() ; i++ )
{
ofs << " " << enumData.members[i].name << " = " << enumData.members[i].value;
if ( i < enumData.members.size() - 1 )
{
ofs << ",";
}
ofs << std::endl;
}
ofs << " };" << std::endl
<< std::endl;
}
void writeTypeFlags( std::ofstream & ofs, DependencyData const& dependencyData )
{
assert( dependencyData.dependencies.size() == 1 );
ofs << " typedef Flags<" << *dependencyData.dependencies.begin() << "> " << dependencyData.name << ";" << std::endl
<< std::endl
<< " inline " << dependencyData.name << " operator|( " << *dependencyData.dependencies.begin() << " bit0, " << *dependencyData.dependencies.begin() << " bit1 )" << std::endl
<< " {" << std::endl
<< " return " << dependencyData.name << "( bit0 ) | bit1;" << std::endl
<< " }" << std::endl
<< std::endl;
}
void writeTypeHandle( std::ofstream & ofs, DependencyData const& dependencyData )
{
assert( dependencyData.dependencies.empty() );
ofs << " typedef Vk" << dependencyData.name << " " << dependencyData.name << ";" << std::endl;
}
void writeTypeScalar( std::ofstream & ofs, DependencyData const& dependencyData )
{
assert( dependencyData.dependencies.size() == 1 );
ofs << " typedef " << *dependencyData.dependencies.begin() << " " << dependencyData.name << ";" << std::endl;
}
void writeTypeStruct( std::ofstream & ofs, DependencyData const& dependencyData, std::set<std::string> const& vkTypes, std::map<std::string,StructData> const& structs, std::map<std::string,std::string> const& defaultValues )
{
std::map<std::string,StructData>::const_iterator it = structs.find( dependencyData.name );
assert( it != structs.end() );
ofs << " class " << dependencyData.name << std::endl
<< " {" << std::endl
<< " public:" << std::endl;
std::string memberName( dependencyData.name );
assert( isupper( memberName[0] ) );
memberName[0] = tolower( memberName[0] );
memberName = "m_" + memberName;
// only structs that are not returnedOnly get a constructor!
if ( !it->second.returnedOnly )
{
writeStructConstructor( ofs, dependencyData.name, memberName, it->second, vkTypes, defaultValues );
}
// create the getters and setters
for ( size_t i=0 ; i<it->second.members.size() ; i++ )
{
writeStructGetter( ofs, it->second.members[i], memberName, vkTypes );
if ( !it->second.returnedOnly )
{
writeStructSetter( ofs, dependencyData.name, it->second.members[i], memberName, vkTypes );
}
}
// the cast-operator to the wrapped struct, and the struct itself as a private member variable
ofs << " operator const Vk" << dependencyData.name << "&() const" << std::endl
<< " {" << std::endl
<< " return " << memberName << ";" << std::endl
<< " }" << std::endl
<< std::endl
<< " private:" << std::endl
<< " Vk" << dependencyData.name << " " << memberName << ";" << std::endl
<< " };" << std::endl
#if 0
<< " static_assert( sizeof( " << dependencyData.name << " ) == sizeof( Vk" << dependencyData.name << " ), \"struct and wrapper have different size!\" );" << std::endl
#endif
<< std::endl;
}
void writeTypeUnion( std::ofstream & ofs, DependencyData const& dependencyData, StructData const& unionData, std::set<std::string> const& vkTypes, std::map<std::string,StructData> const& structs, std::map<std::string,std::string> const& defaultValues )
{
std::ostringstream oss;
ofs << " class " << dependencyData.name << std::endl
<< " {" << std::endl
<< " public:" << std::endl;
std::string memberName( dependencyData.name );
assert( isupper( memberName[0] ) );
memberName[0] = tolower( memberName[0] );
memberName = "m_" + memberName;
for ( size_t i=0 ; i<unionData.members.size() ; i++ )
{
// one constructor per union element
ofs << " " << dependencyData.name << "( ";
if ( unionData.members[i].arraySize.empty() )
{
ofs << unionData.members[i].type << " ";
}
else
{
ofs << "const std::array<" << unionData.members[i].type << "," << unionData.members[i].arraySize << ">& ";
}
ofs << unionData.members[i].name;
// just the very first constructor gets default arguments
if ( i == 0 )
{
std::map<std::string,std::string>::const_iterator it = defaultValues.find( unionData.members[i].pureType );
assert( it != defaultValues.end() );
if ( unionData.members[i].arraySize.empty() )
{
ofs << " = " << it->second;
}
else
{
ofs << " = { " << it->second << " }";
}
}
ofs << " )" << std::endl
<< " {" << std::endl
<< " ";
if ( unionData.members[i].arraySize.empty() )
{
ofs << memberName << "." << unionData.members[i].name << " = " << unionData.members[i].name;
}
else
{
ofs << "memcpy( &" << memberName << "." << unionData.members[i].name << ", " << unionData.members[i].name << ".data(), " << unionData.members[i].arraySize << " * sizeof( " << unionData.members[i].type << " ) )";
}
ofs << ";" << std::endl
<< " }" << std::endl
<< std::endl;
// one getter/setter per union element
writeStructGetter( ofs, unionData.members[i], memberName, vkTypes );
writeStructSetter( ofs, dependencyData.name, unionData.members[i], memberName, vkTypes );
}
ofs << " operator Vk" << dependencyData.name << " const& () const" << std::endl
<< " {" << std::endl
<< " return " << memberName << ";" << std::endl
<< " }" << std::endl
<< std::endl
<< " private:" << std::endl
<< " Vk" << dependencyData.name << " " << memberName << ";" << std::endl
<< " };" << std::endl
<< std::endl;
}
void writeTypes( std::ofstream & ofs, std::vector<DependencyData> const& dependencies, std::map<std::string,CommandData> const& commands, std::map<std::string,EnumData> const& enums, std::map<std::string,StructData> const& structs, std::map<std::string,std::string> const& defaultValues, std::set<std::string> const& vkTypes )
{
for ( std::vector<DependencyData>::const_iterator it = dependencies.begin() ; it != dependencies.end() ; ++it )
{
switch( it->category )
{
case DependencyData::Category::COMMAND :
assert( commands.find( it->name ) != commands.end() );
writeTypeCommand( ofs, *it, commands.find( it->name )->second, vkTypes );
break;
case DependencyData::Category::ENUM :
assert( enums.find( it->name ) != enums.end() );
writeTypeEnum( ofs, *it, enums.find( it->name )->second );
break;
case DependencyData::Category::FLAGS :
writeTypeFlags( ofs, *it );
break;
case DependencyData::Category::FUNC_POINTER :
case DependencyData::Category::REQUIRED :
// skip FUNC_POINTER and REQUIRED, they just needed to be in the dependencies list to resolve dependencies
break;
case DependencyData::Category::HANDLE :
writeTypeHandle( ofs, *it );
break;
case DependencyData::Category::SCALAR :
writeTypeScalar( ofs, *it );
break;
case DependencyData::Category::STRUCT :
writeTypeStruct( ofs, *it, vkTypes, structs, defaultValues );
break;
case DependencyData::Category::UNION :
assert( structs.find( it->name ) != structs.end() );
writeTypeUnion( ofs, *it, structs.find( it->name )->second, vkTypes, structs, defaultValues );
break;
default :
assert( false );
break;
}
}
}
void writeVersionCheck( std::ofstream & ofs, std::string const& version )
{
ofs << "static_assert( VK_MAKE_VERSION" << version << " == VK_API_VERSION, \"Wrong VK_API_VERSION!\" );" << std::endl
<< std::endl;
}
int main( int argc, char **argv )
{
TiXmlDocument doc;
if ( !doc.LoadFile( argv[1] ) )
{
std::cout << "VkGenerate: failed to load file " << argv[1] << std::endl;
return -1;
}
TiXmlElement * registryElement = doc.FirstChildElement();
assert( strcmp( registryElement->Value(), "registry" ) == 0 );
assert( !registryElement->NextSiblingElement() );
std::string version;
std::list<DependencyData> dependencies;
std::map<std::string,EnumData> enums;
std::vector<ExtensionData> extensions;
std::set<std::string> flags;
std::map<std::string,StructData> structs;
std::map<std::string,CommandData> commands;
std::set<std::string> vkTypes;
TiXmlElement * child = registryElement->FirstChildElement();
do
{
assert( child->Value() );
const std::string value = child->Value();
if ( value == "commands" )
{
readCommands( child, dependencies, commands );
}
else if ( value == "enums" )
{
readEnums( child, dependencies, enums, vkTypes );
}
else if ( value == "extensions" )
{
readExtensions( child, extensions );
}
else if ( value == "types" )
{
readTypes( child, version, dependencies, flags, structs, vkTypes );
}
else
{
assert( ( value == "comment" ) || ( value == "feature" ) || ( value == "tags" ) || ( value == "vendorids" ) );
}
} while ( child = child->NextSiblingElement() );
std::vector<std::vector<DependencyData>> sortedDependencies;
sortDependencies( dependencies, extensions, sortedDependencies );
std::map<std::string,std::string> defaultValues;
for ( size_t i=0 ; i<sortedDependencies.size() ; i++ )
{
createDefaults( sortedDependencies[i], enums, defaultValues );
}
std::ofstream ofs( "vk_cpp.h" );
ofs << licenseHeader << std::endl;
ofs << "#include <array>" << std::endl
<< "#include <cstdint>" << std::endl
<< "#include <cstring>" << std::endl
<< "#include <vulkan/vulkan.h>" << std::endl
<< "#ifdef VKCPP_ENHANCED_MODE" << std::endl
<< "# include <vector>" << std::endl
<< "#endif // VKCPP_ENHANCED_MODE" << std::endl
<< std::endl;
writeVersionCheck( ofs, version );
ofs << "namespace vk" << std::endl
<< "{" << std::endl;
ofs << flagsHeader;
for ( size_t i=0 ; i<sortedDependencies.size() ; i++ )
{
if ( ( 0 < i ) && !extensions[i-1].protect.empty() )
{
ofs << "#ifdef " << extensions[i-1].protect << std::endl
<< std::endl;
}
writeTypes( ofs, sortedDependencies[i], commands, enums, structs, defaultValues, vkTypes );
if ( ( 0 < i ) && !extensions[i-1].protect.empty() )
{
ofs << "#endif /* " << extensions[i-1].protect << " */" << std::endl
<< std::endl;
}
}
ofs << "}" << std::endl;
}
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