xref: /third_party/vk-gl-cts/external/vulkancts/scripts/gen_framework.py

# -*- coding: utf-8 -*-

#-------------------------------------------------------------------------
# Vulkan CTS
# ----------
#
# Copyright (c) 2015 Google Inc.
#
# 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.
#
#-------------------------------------------------------------------------

import os
import re
import sys
import glob
import json
import argparse
import datetime
import collections
from lxml import etree

scriptPath = os.path.join(os.path.dirname(__file__), "..", "..", "..", "scripts")
sys.path.insert(0, scriptPath)

from ctsbuild.common import DEQP_DIR, execute
from khr_util.format import indentLines, writeInlFile

sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "vulkan-docs", "src", "scripts"))

from reg import stripNonmatchingAPIs

VULKAN_XML_DIR				= os.path.join(os.path.dirname(__file__), "..", "..", "vulkan-docs", "src", "xml")
SCRIPTS_SRC_DIR				= os.path.join(os.path.dirname(__file__), "src")
DEFAULT_OUTPUT_DIR			= { "" :	os.path.join(os.path.dirname(__file__), "..", "framework", "vulkan", "generated", "vulkan"),
								"SC" :	os.path.join(os.path.dirname(__file__), "..", "framework", "vulkan", "generated", "vulkansc") }

INL_HEADER = """\
/* WARNING: This is auto-generated file. Do not modify, since changes will
 * be lost! Modify the generating script instead.
 * This file was generated by /scripts/gen_framework.py
 */\

"""

DEFINITIONS			= {
	"VK_MAX_PHYSICAL_DEVICE_NAME_SIZE":		"size_t",
	"VK_MAX_EXTENSION_NAME_SIZE":			"size_t",
	"VK_MAX_DRIVER_NAME_SIZE":				"size_t",
	"VK_MAX_DRIVER_INFO_SIZE":				"size_t",
	"VK_UUID_SIZE":							"size_t",
	"VK_LUID_SIZE":							"size_t",
	"VK_MAX_MEMORY_TYPES":					"size_t",
	"VK_MAX_MEMORY_HEAPS":					"size_t",
	"VK_MAX_DESCRIPTION_SIZE":				"size_t",
	"VK_MAX_DEVICE_GROUP_SIZE":				"size_t",
	"VK_ATTACHMENT_UNUSED":					"uint32_t",
	"VK_SUBPASS_EXTERNAL":					"uint32_t",
	"VK_QUEUE_FAMILY_IGNORED":				"uint32_t",
	"VK_QUEUE_FAMILY_EXTERNAL":				"uint32_t",
	"VK_REMAINING_MIP_LEVELS":				"uint32_t",
	"VK_REMAINING_ARRAY_LAYERS":			"uint32_t",
	"VK_WHOLE_SIZE":						"vk::VkDeviceSize",
	"VK_TRUE":								"vk::VkBool32",
	"VK_FALSE":								"vk::VkBool32",
}

PLATFORM_TYPES		= [
	# VK_KHR_xlib_surface
	(["Display","*"],						["XlibDisplayPtr"],				"void*"),
	(["Window"],							["XlibWindow"],					"uintptr_t",),
	(["VisualID"],							["XlibVisualID"],				"uint32_t"),

	# VK_KHR_xcb_surface
	(["xcb_connection_t", "*"],				["XcbConnectionPtr"],			"void*"),
	(["xcb_window_t"],						["XcbWindow"],					"uintptr_t"),
	(["xcb_visualid_t"],					["XcbVisualid"],				"uint32_t"),

	# VK_KHR_wayland_surface
	(["struct", "wl_display","*"],			["WaylandDisplayPtr"],			"void*"),
	(["struct", "wl_surface", "*"],			["WaylandSurfacePtr"],			"void*"),

	# VK_KHR_mir_surface
	(["MirConnection", "*"],				["MirConnectionPtr"],			"void*"),
	(["MirSurface", "*"],					["MirSurfacePtr"],				"void*"),

	# VK_KHR_android_surface
	(["ANativeWindow", "*"],				["AndroidNativeWindowPtr"],		"void*"),

	# VK_KHR_win32_surface
	(["HINSTANCE"],							["Win32InstanceHandle"],		"void*"),
	(["HWND"],								["Win32WindowHandle"],			"void*"),
	(["HANDLE"],							["Win32Handle"],				"void*"),
	(["const", "SECURITY_ATTRIBUTES", "*"],	["Win32SecurityAttributesPtr"],	"const void*"),
	(["AHardwareBuffer", "*"],				["AndroidHardwareBufferPtr"],	"void*"),
	(["HMONITOR"],							["Win32MonitorHandle"],			"void*"),
	(["LPCWSTR"],							["Win32LPCWSTR"],				"const void*"),

	# VK_EXT_acquire_xlib_display
	(["RROutput"],							["RROutput"],					"void*"),

	(["zx_handle_t"],						["zx_handle_t"],				"uint32_t"),
	(["GgpFrameToken"],						["GgpFrameToken"],				"int32_t"),
	(["GgpStreamDescriptor"],				["GgpStreamDescriptor"],		"int32_t"),
	(["CAMetalLayer"],						["CAMetalLayer"],				"void*"),
	(["struct", "_screen_context", "*"],	["QNXScreenContextPtr"],		"void*"),
	(["struct", "_screen_window", "*"],		["QNXScreenWindowPtr"],			"void*"),

	# VK_EXT_metal_objects
	(["MTLDevice_id"],						["MTLDevice_id"],				"void*"),
	(["MTLCommandQueue_id"],				["MTLCommandQueue_id"],			"void*"),
	(["MTLBuffer_id"],						["MTLBuffer_id"],				"void*"),
	(["MTLTexture_id"],						["MTLTexture_id"],				"void*"),
	(["IOSurfaceRef"],						["IOSurfaceRef"],				"void*"),
	(["MTLSharedEvent_id"],					["MTLSharedEvent_id"],			"void*"),

	# VK_NV_external_sci_sync
	(["NvSciBufObj"],						["NvSciBufObj"],				"int"),
	(["NvSciSyncObj"],						["NvSciSyncObj"],				"int"),
	(["NvSciSyncFence"],					["NvSciSyncFence"],				"int"),
	(["NvSciBufAttrList"],					["NvSciBufAttrList"],			"int"),
	(["NvSciSyncAttrList"],					["NvSciSyncAttrList"],			"int"),
]

PLATFORM_TYPE_NAMESPACE	= "pt"

TYPE_SUBSTITUTIONS		= [
	# Platform-specific
	("DWORD",		"uint32_t"),
	("HANDLE*",		PLATFORM_TYPE_NAMESPACE + "::" + "Win32Handle*"),
]

EXTENSION_POSTFIXES_STANDARD	= ["KHR", "EXT"]
EXTENSION_POSTFIXES_VENDOR		= ["AMD", "ARM", "NV", 'INTEL', "NVX", "KHX", "NN", "MVK", "FUCHSIA", 'QCOM', "GGP", "QNX", "ANDROID", 'VALVE', 'HUAWEI']
EXTENSION_POSTFIXES				= EXTENSION_POSTFIXES_STANDARD + EXTENSION_POSTFIXES_VENDOR

def substituteType(object):		# both CompositeMember and FunctionArgument can be passed to this function
	for src, dst in TYPE_SUBSTITUTIONS:
		object.type = object.type.replace(src, dst)
	for platformType, substitute, _ in PLATFORM_TYPES:
		platformTypeName = platformType[0]
		platformTypeName = platformType[-2] if "*" in platformType else platformType[0]
		if object.type == platformTypeName:
			object.type = PLATFORM_TYPE_NAMESPACE + '::' + substitute[0]
			object.qualifiers = None if 'struct' in platformType else object.qualifiers
			object.qualifiers = None if 'const' in platformType else object.qualifiers
			if "*" in platformType:
				object.pointer = "*" if object.pointer == "**" else None

class Define:
	def __init__ (self, name, aType, alias, value):
		self.name			= name
		self.type			= aType
		self.alias			= alias
		self.value			= value

class Handle:
	def __init__ (self, name, aType, alias, parent, objtypeenum):
		self.name			= name
		self.type			= aType
		self.alias			= alias
		self.parent			= parent
		self.objtypeenum	= objtypeenum

class Bitmask:
	def __init__ (self, name, aType, requires, bitvalues):
		self.name		= name
		self.type		= aType
		self.alias		= None					# initialy None but may be filled while parsing next tag
		self.requires	= requires
		self.bitvalues	= bitvalues

class Enumerator:
	def __init__ (self, name, value, bitpos):
		self.name		= name
		self.aliasList	= []					# list of strings
		self.value		= value					# some enums specify value and some bitpos
		self.bitpos		= bitpos
		self.extension	= None					# name of extension that added this enumerator

class Enum:
	def __init__ (self, name):
		self.name				= name
		self.alias				= None			# name of enum alias or None
		self.type				= None			# enum or bitmask
		self.bitwidth			= "32"
		self.enumeratorList		= []			# list of Enumerator objects

	def areValuesLinear (self):
		if self.type == 'bitmask':
			return False
		curIndex = 0
		for enumerator in self.enumeratorList:
			intValue = parseInt(enumerator.value)
			if intValue != curIndex:
				return False
			curIndex += 1
		return True

class CompositeMember:
	def __init__ (self, name, aType, pointer, qualifiers, arraySizeList, optional, limittype, values, fieldWidth):
		self.name			= name
		self.type			= aType					# member type
		self.pointer		= pointer				# None, '*' or '**'
		self.qualifiers		= qualifiers			# 'const' or 'struct' or None
		self.arraySizeList	= arraySizeList			# can contain digits or enums
		self.optional		= optional
		self.limittype		= limittype
		self.values			= values				# allowed member values
		self.fieldWidth		= fieldWidth			# ':' followed by number of bits

		# check if type should be swaped
		substituteType(self)

class Composite:
	def __init__ (self, name, category, allowduplicate, structextends, returnedonly, members):
		self.name			= name
		self.category		= category			# is it struct or union
		self.aliasList		= []				# most composite types have single alias but there are cases like VkPhysicalDeviceVariablePointersFeatures that have 3
		self.allowduplicate	= allowduplicate
		self.structextends	= structextends
		self.returnedonly	= returnedonly
		self.members		= members			# list of CompositeMember objects

class FunctionArgument:
	def __init__ (self, name, qualifiers, aType, pointer = None, secondPointerIsConst = False, arraySize = None, len = None):
		self.name					= name
		self.qualifiers				= qualifiers
		self.type					= aType
		self.pointer				= pointer			# None, '*' or '**'
		self.secondPointerIsConst	= secondPointerIsConst
		self.arraySize				= arraySize
		self.len					= len

		# check if type should be swaped
		substituteType(self)

class Function:
	TYPE_PLATFORM		= 0 # Not bound to anything
	TYPE_INSTANCE		= 1 # Bound to VkInstance
	TYPE_DEVICE			= 2 # Bound to VkDevice

	def __init__ (self, name, returnType = None, arguments = None):
		self.name			= name
		self.aliasList		= []
		self.returnType		= returnType
		self.arguments		= arguments				# list of FunctionArgument objects
		self.functionType	= Function.TYPE_PLATFORM

		# Determine function type based on first argument but use TYPE_PLATFORM for vkGetInstanceProcAddr
		if self.name == "vkGetInstanceProcAddr":
			return
		assert len(self.arguments) > 0
		firstArgType = self.arguments[0].type
		if firstArgType in ["VkInstance", "VkPhysicalDevice"]:
			self.functionType = Function.TYPE_INSTANCE
		elif firstArgType in ["VkDevice", "VkCommandBuffer", "VkQueue"]:
			self.functionType = Function.TYPE_DEVICE

	def getType (self):
		return self.functionType

class FeatureEnumerator:
	def __init__ (self, name, extends):
		self.name		= name
		self.extends	= extends

class FeatureRequirement:
	def __init__ (self, operation, comment, enumList, typeList, commandList):
		self.operation			= operation				# "require" or "remove"
		self.comment			= comment
		self.enumList			= enumList				# list of FeatureEnumerator objects
		self.typeList			= typeList				# list of strings, each representing required structure name
		self.commandList		= commandList			# list of strings, each representing required function name

class Feature:
	def __init__ (self, api, name, number, requirementsList):
		self.api				= api
		self.name				= name
		self.number				= number
		self.requirementsList	= requirementsList		# list of FeatureRequirement objects

class ExtensionEnumerator:
	def __init__ (self, name, extends, alias, value, extnumber, offset, bitpos, vdir, comment):
		self.name		= name
		self.extends	= extends
		self.alias		= alias
		self.value		= value
		self.extnumber	= extnumber
		self.offset		= offset
		self.bitpos		= bitpos
		self.dir		= vdir
		self.comment	= comment						# note: comment is used to mark not promoted features for partially promoted extensions

class ExtensionCommand:
	def __init__ (self, name, comment):
		self.name		= name
		self.comment	= comment

class ExtensionType:
	def __init__ (self, name, comment):
		self.name		= name
		self.comment	= comment

class ExtensionRequirements:
	def __init__ (self, depends, extendedEnums, newCommands, newTypes):
		self.depends		= depends						# None when requirement apply to all implementations of extension or string with dependencies
															# string with extension name when requirements apply to implementations that also support given extension
		self.extendedEnums	= extendedEnums					# list of ExtensionEnumerator objects
		self.newCommands	= newCommands					# list of ExtensionCommand objects
		self.newTypes		= newTypes						# list of ExtensionType objects

class Extension:
	def __init__ (self, name, number, type, depends, platform, promotedto, partiallyPromoted, requirementsList):
		self.name				= name						# extension name
		self.number				= number					# extension version
		self.type				= type						# extension type - "device" or "instance"
		self.depends			= depends					# string containig grammar for required core vulkan version and/or other extensions
		self.platform			= platform					# None, "win32", "ios", "android" etc.
		self.promotedto			= promotedto				# vulkan version, other extension or None
		self.partiallyPromoted	= partiallyPromoted			# when True then some of requirements were not promoted
		self.requirementsList	= requirementsList			# list of ExtensionRequirements objects

class API:
	def __init__ (self, apiName):
		self.apiName				= apiName	# string "vulkan" or "vulkansc"
		self.versions				= []
		self.basetypes				= {}		# dictionary, e.g. one of keys is VkFlags and its value is uint32_t
		self.defines				= []
		self.handles				= []		# list of Handle objects
		self.bitmasks				= []		# list of Bitmask objects
		self.enums					= []		# list of Enum objects - each contains individual enum definition (including extension enums)
		self.compositeTypes			= []		# list of Composite objects - each contains individual structure/union definition (including extension structures)
		self.functions				= []		# list of Function objects - each contains individual command definition (including extension functions)
		self.features				= []		# list of Feature objects
		self.extensions				= []		# list of Extension objects - each contains individual, supported extension definition
		self.notSupportedExtensions	= []		# list of Extension objects - it contains NOT supported extensions; this is filled and needed only for SC
		self.basicCTypes			= []		# list of basic C types e.g. 'void', 'int8_t'
		self.tempAliasesList		= []		# list of aliases for enums that could not be added because enum is defined later than its alias; this is needed for SC

		# read all files from extensions directory
		additionalExtensionData	= {}
		for fileName in glob.glob(os.path.join(SCRIPTS_SRC_DIR, "extensions", "*.json")):
			if "schema.json" in fileName:
				continue
			extensionName	= os.path.basename(fileName)[:-5]
			fileContent		= readFile(fileName)
			try:
				additionalExtensionData[extensionName] = json.loads(fileContent)
			except ValueError as err:
				print("Error in %s: %s" % (os.path.basename(fileName), str(err)))
				sys.exit(-1)
		self.additionalExtensionData = sorted(additionalExtensionData.items(), key=lambda e: e[0])

	def addEnumerator(self, targetEnum, name, value, offset, extnumber, bitpos, dir = None):
		# calculate enumerator value if offset attribute is present
		if value is None and offset is not None:
			value = 1000000000 + (int(extnumber) - 1) * 1000 + int(offset)
			# check if value should be negative
			value = -value if dir == "-" else value
			# convert to string so that type matches the type in which values
			# are stored for enums that were read from enums xml section
			value = str(value)
		# add new enumerator
		targetEnum.enumeratorList.append(Enumerator(name, value, bitpos))

	def addAliasToEnumerator (self, targetEnum, name, alias):
		assert(alias is not None)
		for e in reversed(targetEnum.enumeratorList):
			if alias == e.name or alias in e.aliasList:
				# make sure same alias is not already on the list; this handles special case like
				# VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES_KHR alais which is defined in three places
				if name not in e.aliasList:
					e.aliasList.append(name)
				return True
		return False

	def readEnum (self, enumsNode):
		enumName = enumsNode.get("name")
		# special case for vulkan hardcoded constants that are specified as enum in vk.xml
		if enumName == "API Constants":
			for enumItem in enumsNode:
				self.defines.append(Define(
					enumItem.get("name"),
					enumItem.get("type"),
					enumItem.get("alias"),
					enumItem.get("value")
				))
			return
		# initial enum definition is read while processing types section;
		# we need to find this enum definition and add data to it
		enumDefinition = [enumDef for enumDef in self.enums if enumName == enumDef.name][0]
		# add type and bitwidth to enum definition
		enumDefinition.type		= enumsNode.get("type")
		enumDefinition.bitwidth	= enumsNode.get("bitwidth")
		if enumDefinition.bitwidth is None:
			enumDefinition.bitwidth = "32"
		# add components to enum definition
		for enumeratorItem in enumsNode:
			# skip comment tags
			if enumeratorItem.tag != "enum":
				continue
			name	= enumeratorItem.get("name")
			alias	= enumeratorItem.get("alias")
			if alias is None:
				self.addEnumerator(
					enumDefinition,
					name,
					enumeratorItem.get("value"),
					enumeratorItem.get("offset"),
					enumeratorItem.get("extnumber"),
					enumeratorItem.get("bitpos"),
					enumeratorItem.get("dir"))
			else:
				self.addAliasToEnumerator(enumDefinition, name, alias)

	def readCommand (self, commandNode):
		protoNode = None					# proto is a first child of every command node
		# check if this is alias
		alias = commandNode.get("alias")
		# if node is alias then use the fact that alias definition follows aliased structure
		if alias is not None:
			# aliased command has usually been added recently, so we iterate in reverse order
			found = False
			for f in reversed(self.functions):
				found = (f.name == alias)
				if found:
					f.aliasList.append(commandNode.get("name"))
					break
			assert found
			# go to next node
			return
		# memorize all parameters
		functionParams = []
		for paramNode in commandNode:
			# memorize prototype node
			if paramNode.tag == "proto":
				protoNode = paramNode
				continue
			# skip implicitexternsyncparams
			if paramNode.tag != "param":
				continue
			nameNode	= paramNode.find("name")
			typeNode	= paramNode.find("type")
			starCount	= typeNode.tail.count('*')
			lenAttr		= paramNode.get("len")
			functionParams.append(FunctionArgument(
				nameNode.text,
				paramNode.text,
				paramNode.find("type").text,
				'*' * starCount if starCount > 0 else None,
				'const' in typeNode.tail,
				nameNode.tail,
				lenAttr
			))
		# memorize whole function
		self.functions.append(Function(
			protoNode.find("name").text,
			protoNode.find("type").text,
			functionParams,
		))

	def readExtension (self, extensionNode):
		# check to which list this extension should be added
		supportedList			= extensionNode.get("supported")
		isExtensionSupported	= self.apiName in supportedList.split(',')
		targetExtensionList		= self.extensions if isExtensionSupported else self.notSupportedExtensions
		# read extension definition to proper list
		extensionName		= extensionNode.get("name")
		extensionNumber		= extensionNode.get("number")
		partiallyPromoted	= False
		# before reading extension data first read extension
		# requirements by iterating over all require tags
		requirementsList = []
		for requireItem in extensionNode:
			extendedEnums	= []
			newCommands		= []
			newTypes		= []
			# iterate over all children in current require tag
			# and add them to proper list
			for individualRequirement in requireItem:
				requirementName = individualRequirement.get("name")
				requirementComment = individualRequirement.get("comment")
				# check if this requirement was not promoted and mark
				# this extension as not fully promoted
				if requirementComment is not None and "Not promoted to" in requirementComment:
					partiallyPromoted = True
				# check if this requirement describes enum, command or type
				if individualRequirement.tag == "enum":
					extendedEnumName = individualRequirement.get("extends")
					extendedEnums.append(ExtensionEnumerator(
						requirementName,
						extendedEnumName,
						individualRequirement.get("alias"),
						individualRequirement.get("value"),
						individualRequirement.get("extnumber"),
						individualRequirement.get("offset"),
						individualRequirement.get("bitpos"),
						individualRequirement.get("dir"),
						requirementComment))
				elif individualRequirement.tag == "command":
					newCommands.append(ExtensionCommand(requirementName, requirementComment))
				elif individualRequirement.tag == "type":
					newTypes.append(ExtensionType(requirementName, requirementComment))
				elif individualRequirement.tag == "comment" and "not promoted to" in individualRequirement.text:
					# partial promotion of VK_EXT_ycbcr_2plane_444_formats and VK_EXT_4444_formats
					# is marked with comment tag in first require section
					partiallyPromoted = True
			# construct requirement object and add it to the list
			requirementsList.append(ExtensionRequirements(
				requireItem.get("depends"),		# dependencies that can include "and/or" grammar
				extendedEnums,					# extendedEnums
				newCommands,					# newCommands
				newTypes						# newTypes
			))
		# add extension definition to proper api object
		targetExtensionList.append(Extension(
			extensionName,						# name
			extensionNumber,					# number
			extensionNode.get("type"),			# type
			extensionNode.get("depends"),		# depends
			extensionNode.get("platform"),		# platform
			extensionNode.get("promotedto"),	# promotedto
			partiallyPromoted,					# partiallyPromoted
			requirementsList					# requirementsList
		))

	def readFeature (self, featureNode):
		requirementsList = []
		for requirementGroup in featureNode:
			enumList	= []
			typeList	= []
			commandList	= []
			for requirement in requirementGroup:
				requirementName = requirement.get("name")
				if requirement.tag == "enum":
					extendedEnumName = requirement.get("extends")
					enumList.append(FeatureEnumerator(requirementName, extendedEnumName))
					if extendedEnumName is not None:
						# find extended enum in api.enums list
						for e in self.enums:
							if extendedEnumName == e.name:
								# read enumerator and add it to enum
								alias = requirement.get("alias")
								if alias is None:
									self.addEnumerator(
										e,
										requirementName,
										requirement.get("value"),
										requirement.get("offset"),
										requirement.get("extnumber"),
										requirement.get("bitpos"),
										requirement.get("dir"))
								elif not self.addAliasToEnumerator(e, requirementName, alias):
									self.tempAliasesList.append((e, requirementName, alias))
								break
				elif requirement.tag == "type":
					typeList.append(requirementName)
				elif requirement.tag == "command":
					commandList.append(requirementName)
			requirementsList.append(FeatureRequirement(
				requirementGroup.tag,
				requirementGroup.get("comment"),
				enumList,
				typeList,
				commandList
			))
		self.features.append(Feature(
			featureNode.get("api"),
			featureNode.get("name"),
			featureNode.get("number"),
			requirementsList
		))

	def readType (self, typeNode):
		name		= typeNode.get("name")
		alias		= typeNode.get("alias")
		category	= typeNode.get("category")
		if category == "enum":
			if alias is None:
				self.enums.append(Enum(name))
			else:
				for e in reversed(self.enums):
					if alias == e.name:
						e.alias = name
						break
		elif category == "handle":
			type = None
			if alias is None:
				name = typeNode.find("name").text
				type = typeNode.find("type").text
				self.handles.append(Handle(
					name,
					type,
					alias,
					typeNode.get("parent"),
					typeNode.get("objtypeenum"),
				))
			else:
				for h in reversed(self.handles):
					if alias == h.name:
						h.alias = name
						break
		elif category == "basetype":
			# processing only those basetypes that have type child
			type = typeNode.find("type")
			if type is not None:
				self.basetypes[typeNode.find("name").text] = type.text
		elif category == "bitmask":
			# if node is alias then use the fact that alias definition follows aliased bitmasks;
			# in majoriti of cases it follows directly aliased bitmasks but in some cases there
			# is a unrelated bitmasks definition in between - to handle this traverse in reverse order
			if alias is not None:
				for bm in reversed(self.bitmasks):
					if alias == bm.name:
						bm.alias = name
						break
			else:
				self.bitmasks.append(Bitmask(
					typeNode.find("name").text,
					typeNode.find("type").text,
					typeNode.get("requires"),
					typeNode.get("bitvalues")
				))
		elif category in ["struct", "union"]:
			# if node is alias then use the fact that alias definition follows aliased structure;
			# in majoriti of cases it follows directly aliased structure but in some cases there
			# is a unrelated structure definition in between - to handle this traverse in reverse order
			if alias is not None:
				for ct in reversed(self.compositeTypes):
					if alias == ct.name:
						ct.aliasList.append(name)
						break
				# go to next node
				return
			# read structure members
			structMembers = []
			for memberNode in typeNode:
				if memberNode.tag != "member":
					continue
				# handle enum nodes that can be used for array dimensions
				arraySizeList = []
				for node in memberNode:
					if node.tag == "enum":
						arraySizeList.append(node.text)
						# check if there are array dimension that are not enums
						if '[' in node.tail and len(node.tail) > 2:
							arraySizeList += node.tail.replace(']', ' ').replace('[', ' ').split()
				# handle additional text after name tag; it can represent array
				# size like in VkPipelineFragmentShadingRateEnumStateCreateInfoNV
				# or number of bits like in VkAccelerationStructureInstanceKHR
				nameNode	= memberNode.find("name")
				nameTail	= nameNode.tail
				fieldWidth	= None
				if nameTail:
					if ':' in nameTail:
						fieldWidth = nameTail.replace(':', '').replace(' ', '')
					elif '[' in nameTail and ']' in nameTail:
						nameTail = nameTail.replace(']', ' ').replace('[', ' ')
						arraySizeList = nameTail.split() + arraySizeList
				# handle additional text after type tag; it can represent pointers like *pNext
				memberTypeNode	= memberNode.find("type")
				pointer			= memberTypeNode.tail.strip() if memberTypeNode.tail is not None else None
				structMembers.append(CompositeMember(
					nameNode.text,					# name
					memberTypeNode.text,			# type
					pointer,						# pointer
					memberNode.text,				# qualifiers
					arraySizeList,					# arraySizeList
					memberNode.get("optional"),		# optional
					memberNode.get("limittype"),	# limittype
					memberNode.get("values"),		# values
					fieldWidth						# fieldWidth
				))
			# create structure definition
			self.compositeTypes.append(Composite(
				name,
				category,
				typeNode.get("allowduplicate"),
				typeNode.get("structextends"),
				typeNode.get("returnedonly"),
				structMembers
			))
		elif category == "define":
			nNode = typeNode.find("name")
			tNode = typeNode.find("type")
			if nNode == None or tNode == None:
				return
			requires = typeNode.get("requires")
			name = nNode.text
			if "API_VERSION_" in name or requires == "VK_MAKE_VIDEO_STD_VERSION":
				value = tNode.tail
				value = tNode.text + value[:value.find(')')+1]
				value = value.replace('VKSC_API_VARIANT', '1')
				self.defines.append(Define(
					name,
					"uint32_t",
					None,
					value
				))
		else:
			requires = typeNode.get("requires")
			if requires == 'vk_platform':
				self.basicCTypes.append(name)

	def build (self, rawVkXml):
		# iterate over all *.xml root children
		for rootChild in rawVkXml.getroot():

			# each enum is defined in separate enums node directly under root node
			if rootChild.tag == "enums":
				self.readEnum(rootChild)

			# read function definitions
			if rootChild.tag == "commands":
				commandsNode = rootChild
				for commandItem in commandsNode:
					self.readCommand(commandItem)

			# read vulkan versions
			if rootChild.tag == "feature":
				self.readFeature(rootChild)

			# read extensions
			if rootChild.tag == "extensions":
				extensionsNode = rootChild
				for extensionItem in extensionsNode:
					self.readExtension(extensionItem)

			# "types" is a first child of root so it's optimal to check for it
			# last and don't repeat this check for all other iterations
			if rootChild.tag == "types":
				typesNode = rootChild
				for typeItem in typesNode:
					self.readType(typeItem)

		# Verify that promotedto extensions are supported by the api
		for ext in self.extensions:
			if ext.promotedto is not None and "VK_VERSION" not in ext.promotedto:
				if not any(x.name == ext.promotedto for x in self.extensions):
					ext.promotedto = None

	def postProcess (self):

		# temporary workaround for extensions that are marked only for vulkan api in xml while
		# they are need by vulkan_json_data.hpp and vulkan_json_parser.hpp in vulkansc
		if self.apiName == "vulkansc":
			deviceDiagnosticCheckpoints = [e for e in self.notSupportedExtensions if e.name == "VK_NV_device_diagnostic_checkpoints"]
			if len(deviceDiagnosticCheckpoints):
				deviceDiagnosticCheckpoints = deviceDiagnosticCheckpoints[0]
				self.extensions.append(deviceDiagnosticCheckpoints)
				self.notSupportedExtensions.remove(deviceDiagnosticCheckpoints)
			formatFeatureFlags2 = [e for e in self.notSupportedExtensions if e.name == "VK_KHR_format_feature_flags2"]
			if len(formatFeatureFlags2):
				formatFeatureFlags2 = formatFeatureFlags2[0]
				self.extensions.append(formatFeatureFlags2)
				self.notSupportedExtensions.remove(formatFeatureFlags2)

		# add new enumerators that were added by extensions to api.enums
		# we have to do it at the end for SC becouse some enums are dependednt from extensions/api versions
		# and those dependencies can be checked only after all extensions were read
		for ext in self.extensions:
			for requirement in ext.requirementsList:
				# check if this requirement is supported by current implementation
				isRequirementSupported = True
				dependencies = requirement.depends
				if dependencies is not None:
					# check if dependency extension or api version is part of this api
					# note: this logic will have to changed if there are dependencies with "and/or" grammar
					assert((',' not in dependencies) or ('+' not in dependencies))
					isRequirementSupported = '_VERSION_' in dependencies
					if isRequirementSupported == False:
						for e in self.extensions:
							if e.name in dependencies:
								isRequirementSupported = True
								break
				# add enumerator to proper enum from api.enums
				if isRequirementSupported:
					for enumerator in requirement.extendedEnums:
						if enumerator.extends is None:
							continue
						# find enum in api.enums
						matchedEnum = [enum for enum in api.enums if enumerator.extends == enum.name][0]
						# add enumerator only when it is not already in enum
						if len([e for e in matchedEnum.enumeratorList if e.name == enumerator.name]) == 0:
							if enumerator.alias == None:
								self.addEnumerator(
										matchedEnum,
										enumerator.name,
										enumerator.value,
										enumerator.offset,
										enumerator.extnumber if enumerator.extnumber else ext.number,
										enumerator.bitpos,
										enumerator.dir)
							elif not self.addAliasToEnumerator(matchedEnum, enumerator.name, enumerator.alias):
								# we might not be able to add alias as we might be missing what we are aliasing
								# this will hapen when aliased enum is added later then definition of alias
								self.tempAliasesList.append((matchedEnum, enumerator.name, enumerator.alias))

		# add aliases to enumerators that were defined after alias definition
		for enum, name, alias in self.tempAliasesList:
			if not self.addAliasToEnumerator(enum, name, alias):
				# if enumerator that should be aliased was not found then try to insert it without alias
				# (this happens for vulkansc as in xml enumerator might be defined in extension that is not supported by sc)
				def tryToFindEnumValue(searchedName):
					for nsExt in self.notSupportedExtensions:
						for r in nsExt.requirementsList:
							for enumerator in r.extendedEnums:
								if enumerator.name == searchedName:
									self.addEnumerator(
										enum,
										name,
										enumerator.value,
										enumerator.offset,
										enumerator.extnumber if enumerator.extnumber else ext.number,
										enumerator.bitpos,
										enumerator.dir)
									# there are ~2 cases where alias that is not part of SC still needs to be added for SC
									self.addAliasToEnumerator(enum, alias, name)
									return
				# using function for easy stack unwinding
				tryToFindEnumValue(alias)
		self.tempAliasesList = None

		if self.apiName == "vulkan":
			def removeExtensionFromApi(extName, structureNameList, commandNameList):
				extObjectList = [e for e in api.extensions if e.name == extName]
				if len(extObjectList) > 0:
					api.extensions.remove(extObjectList[0])
				structObjectList = [ct for ct in api.compositeTypes if ct.name in structureNameList]
				for s in structObjectList:
					api.compositeTypes.remove(s)
				commandObjectList = [f for f in api.functions if f.name in commandNameList]
				for f in commandObjectList:
					api.functions.remove(f)

			# remove structures and commands added by VK_EXT_directfb_surface extension
			removeExtensionFromApi("VK_EXT_directfb_surface",
								   ["VkDirectFBSurfaceCreateFlagsEXT", "VkDirectFBSurfaceCreateInfoEXT"],
								   ["vkCreateDirectFBSurfaceEXT", "vkGetPhysicalDeviceDirectFBPresentationSupportEXT"])

			# remove structures and commands added by disabled VK_ANDROID_native_buffer extension;
			# disabled extensions aren't read but their structures and commands will be in types and commands sections in vk.xml
			removeExtensionFromApi("VK_ANDROID_native_buffer",
								   ["VkNativeBufferANDROID", "VkSwapchainImageCreateInfoANDROID",
									"VkPhysicalDevicePresentationPropertiesANDROID", "VkNativeBufferUsage2ANDROID",
									"VkSwapchainImageUsageFlagBitsANDROID", "VkSwapchainImageUsageFlagsANDROID"],
								   ["vkGetSwapchainGrallocUsageANDROID", "vkAcquireImageANDROID",
									"vkQueueSignalReleaseImageANDROID", "vkGetSwapchainGrallocUsage2ANDROID"])

			# remove empty enums e.g. VkQueryPoolCreateFlagBits, VkDeviceCreateFlagBits
			enumsToRemove = [enum for enum in self.enums if len(enum.enumeratorList) == 0]
			for er in enumsToRemove:
				self.enums.remove(er)

			# add alias for VkPhysicalDeviceFragmentShaderBarycentricFeaturesKHR (in vk.xml for this struct alias is defined before struct
			# where in all other cases it is defined after structure definition)
			barycentricFeaturesStruct = [c for c in api.compositeTypes if c.name == 'VkPhysicalDeviceFragmentShaderBarycentricFeaturesKHR'][0]
			barycentricFeaturesStruct.aliasList.append('VkPhysicalDeviceFragmentShaderBarycentricFeaturesNV')

		elif self.apiName == "vulkansc":
			# remove commands that are marked with <remove> tag in SC feature specification;
			# e.g. there is no vkCreateShaderModule in SC
			functionsToRemove = []
			scFeatures = [f for f in self.features if f.api == "vulkansc"][0]
			for featureRequirement in scFeatures.requirementsList:
				if featureRequirement.operation == "remove":
					for removeFun in featureRequirement.commandList:
						# find function in the list of all functions
						for fun in self.functions:
							if removeFun == fun.name:
								functionsToRemove.append(fun)
								break
			for fun in functionsToRemove:
				self.functions.remove(fun)
			# sc is based on vk1.2 so we need to check features of vk1.3+
			# and rename functions and structures that were promoted in
			# those versions to their previous names (aliases)
			renamedStructuresDict = {}
			for feature in self.features:
				# skip vk versions smaller than 1.3
				if int(feature.number[-1]) < 3:
					continue
				# iterate over all requirements and enums/commands/structs added in them
				for featureRequirement in feature.requirementsList:
					for promotedEnumerator in featureRequirement.enumList:
						# iterate over all enums and find one that was extended
						for enum in self.enums:
							if enum.name != promotedEnumerator.extends:
								continue
							enumeratorReplaced = False
							# find enumerator that should have changed name
							for enumerator in enum.enumeratorList:
								if enumerator.name != promotedEnumerator.name or len(enumerator.aliasList) == 0:
									continue
								# replace enumerator name with its first alias
								enumerator.name = enumerator.aliasList[0]
								enumerator.aliasList = enumerator.aliasList[1:]
								# first member of almost all structures is VkStructureType and in xml that member
								# has defined value - we need to change those values to versions supported by SC
								if "STRUCTURE_TYPE" in enumerator.name:
									for struct in self.compositeTypes:
										if struct.members[0].values == promotedEnumerator.name:
											struct.members[0].values = enumerator.name
											break
								enumeratorReplaced = True
								break
							if enumeratorReplaced:
								break
					renamedFunctionsList = []
					for promotedFun in featureRequirement.commandList:
						# find promotedFun in list of all functions
						for fun in self.functions:
							if fun.name != promotedFun:
								continue
							# replace function name with its first alias
							fun.name = fun.aliasList[0]
							fun.aliasList = fun.aliasList[1:]
							# memorize renamed functions
							renamedFunctionsList.append(fun)
							break
					for promotedStruct in featureRequirement.typeList:
						# find promotedStruct in list of all structures
						for struct in self.compositeTypes:
							if struct.name != promotedStruct:
								continue
							# skip structures without alias
							if len(struct.aliasList) == 0:
								break
							# replace struct name with its first alias
							struct.name = struct.aliasList[0]
							struct.aliasList = struct.aliasList[1:]
							# memorize all renamed structures
							renamedStructuresDict[promotedStruct] = struct
							# check all all renamed functions and make sure that argument types are also renamed
							for renamedFun in renamedFunctionsList:
								for arg in renamedFun.arguments:
									if arg.type == promotedStruct:
										arg.type = struct.name
							break
			# iterate over all renamed structures and make sure that all their attributes are also renamed
			for newName in renamedStructuresDict:
				for member in renamedStructuresDict[newName].members:
					if member.type in renamedStructuresDict:
						member.type = renamedStructuresDict[member.type].name

		# remove enums that are not part of any vulkan version nor extension
		# (SC specific enums are in vk.xml without any attribute identifying that they are SC specific; same for enums for disabled extensions)
		def isEnumUsed(featureList, extensionList, enumName, enumAlias):
			for feature in featureList:
				for requirement in feature.requirementsList:
					for typeName in requirement.typeList:
						if (typeName == enumName) or (typeName == enumAlias):
							return True
			for ext in extensionList:
				for requirement in ext.requirementsList:
					for newType in requirement.newTypes:
						if (newType.name == enumName) or (newType.name == enumAlias):
							return True
			return False
		# do removal using above function
		enumsToRemove = []
		for enum in self.enums:
			if isEnumUsed(self.features, self.extensions, enum.name, enum.alias):
				continue
			enumsToRemove.append(enum)
		for er in enumsToRemove:
			self.enums.remove(er)

		# helper function that check if dependency is in list of extension
		def isDependencyMeet(dependency, extensionList):
			if dependency == None:
				return True
			# check if requirement dependencies are meet; if not then struct/function is not used
			# note: this logic will have to changed if there are dependencies with "and/or" grammar
			if '_VERSION_' in dependency:
				return True
			dependency = dependency.split(',')[0]
			for e in extensionList:
				if dependency == e.name:
					return True
			return False

		# remove structures that are not part of any vulkan version nor extension
		# (SC specific structures are in vk.xml without any attribute identifying that they are SC specific)
		def isStructUsed(featureList, extensionList, structNameList):
			for feature in featureList:
				for requirement in feature.requirementsList:
					for typeName in requirement.typeList:
						if typeName in structNameList:
							return True
			for ext in extensionList:
				for requirement in ext.requirementsList:
					for newType in requirement.newTypes:
						if newType.name in structNameList:
							return isDependencyMeet(requirement.depends, extensionList)
			return False

		structsToRemove = []
		for struct in self.compositeTypes:
			structNameList = [struct.name] + struct.aliasList
			if isStructUsed(self.features, self.extensions, structNameList):
				continue
			structsToRemove.append(struct)
		for st in structsToRemove:
			self.compositeTypes.remove(st)

		# remove commands that are not part of any vulkan version nor extension
		# (SC specific commands are in vk.xml without any attribute identifying that they are SC specific)
		def isFunctionUsed(featureList, extensionList, functionNameList):
			for feature in featureList:
				for requirement in feature.requirementsList:
					for commandName in requirement.commandList:
						if commandName in functionNameList:
							return True
			for ext in extensionList:
				for requirement in ext.requirementsList:
					for newCommand in requirement.newCommands:
						if newCommand.name in functionNameList:
							return isDependencyMeet(requirement.depends, extensionList)
			return False

		functionsToRemove = []
		for fun in self.functions:
			functionNameList = [fun.name] + fun.aliasList
			if isFunctionUsed(self.features, self.extensions, functionNameList):
				continue
			functionsToRemove.append(fun)
		for fun in functionsToRemove:
			self.functions.remove(fun)

		# remove handles that are not part of any vulkan command or structure
		def isHandleUsed(structList, functionList, handleName):
			for struct in structList:
				for member in struct.members:
					if handleName in member.type:
						return True
			for fun in functionList:
				for arg in fun.arguments:
					if handleName in arg.type:
						return True
			return False

		handlesToRemove = []
		for h in self.handles:
			if isHandleUsed(self.compositeTypes, self.functions, h.name):
				continue
			handlesToRemove.append(h)
		for h in handlesToRemove:
			self.handles.remove(h)

		# sort enumerators in enums
		sortLambda	= lambda enumerator: int(enumerator.bitpos) if enumerator.value is None else int(enumerator.value, 16 if 'x' in enumerator.value else 10)
		for enum in self.enums:
			# skip enums that have no items or  just one in enumeratorList (e.g. VkQueryPoolCreateFlagBits)
			if len(enum.enumeratorList) < 2:
				continue
			# construct list of enumerators in which value and bitpos are not None
			enumeratorsToSort		= [e for e in enum.enumeratorList if e.value != e.bitpos]
			# construct list of enumerators in which value and bitpos are equal to None
			remainingEnumerators	= [e for e in enum.enumeratorList if e.value == e.bitpos]
			# construct sorted enumerator list with aliases at the end
			enum.enumeratorList = sorted(enumeratorsToSort, key=sortLambda)
			enum.enumeratorList.extend(remainingEnumerators)

def prefixName (prefix, name):
	name = re.sub(r'([a-z0-9])([A-Z])', r'\1_\2', name[2:])
	name = re.sub(r'([a-zA-Z])([0-9])', r'\1_\2', name)
	name = name.upper()
	return prefix + name

def parseInt (value):
	return int(value, 16 if ("0x" in value) else 10)

def getApiVariantIndexByName(variantName):
	apiVariant = {
		None : 0,
		''   : 0,
		'SC' : 1
	}
	return apiVariant[variantName]

def getApiVariantNameByIndex(variantIndex):
	apiVariant = {
		None : '',
		0    : '',
		1    : 'SC'
	}
	return apiVariant[variantIndex]

def readFile (filename):
	with open(filename, 'rt') as f:
		return f.read()

def getInterfaceName (functionName):
	assert functionName[:2] == "vk"
	return functionName[2].lower() + functionName[3:]

def getFunctionTypeName (functionName):
	assert functionName[:2] == "vk"
	return functionName[2:] + "Func"

def endsWith (str, postfix):
	return str[-len(postfix):] == postfix

def writeHandleType (api, filename):

	def getHandleName (name):
		return prefixName("HANDLE_TYPE_", name)

	def genHandles ():
		yield "\t%s\t= 0," % getHandleName(api.handles[0].name)
		for h in api.handles[1:]:
			yield "\t%s," % getHandleName(h.name)
		for h in api.handles:
			if h.alias is not None:
				yield "\t%s\t= %s," % (getHandleName(h.alias), getHandleName(h.name))
		yield "\tHANDLE_TYPE_LAST\t= %s + 1" % (getHandleName(api.handles[-1].name))

	def genHandlesBlock ():
		yield "enum HandleType"
		yield "{"

		for line in indentLines(genHandles()):
			yield line

		yield "};"
		yield ""

	writeInlFile(filename, INL_HEADER, genHandlesBlock())

def getEnumValuePrefixAndPostfix (enum):
	prefix = enum.name[0]
	for i in range(1, len(enum.name)):
		if enum.name[i].isupper() and not enum.name[i-1].isupper():
			prefix += "_"
		prefix += enum.name[i].upper()
	for p in EXTENSION_POSTFIXES:
		if prefix.endswith(p):
			return prefix[:-len(p)-1], '_'+p
	return prefix, ''

def genEnumSrc (enum):
	yield "enum %s" % enum.name
	yield "{"
	lines = []
	for ed in enum.enumeratorList:
		if ed.value is not None:
			lines.append(f"\t{ed.name}\t= {ed.value},")
	for ed in enum.enumeratorList:
		for alias in ed.aliasList:
			lines.append(f"\t{alias}\t= {ed.name},")

	# add *_LAST item when enum is linear
	prefix, postfix = getEnumValuePrefixAndPostfix(enum)
	if enum.areValuesLinear():
		lines.append(f"\t{prefix}{postfix}_LAST,")

	# add _MAX_ENUM item with the ext postifix at the end
	lines.append(f"\t{prefix}_MAX_ENUM{postfix}\t= 0x7FFFFFFF")

	for line in indentLines(lines):
		yield line

	yield "};"

def genBitfieldSrc (bitfield):
	lines = []
	for ev in bitfield.enumeratorList:
		# bitfields may use mix of bitpos and values
		if ev.bitpos is not None:
			value = pow(2, int(ev.bitpos))
			lines.append(f"\t{ev.name}\t= {value:#010x},")
		if ev.value is not None:
			lines.append(f"\t{ev.name}\t= {ev.value},")
	for ev in bitfield.enumeratorList:
		for alias in ev.aliasList:
			lines.append(f"\t{alias}\t= {ev.name},")
	# add _MAX_ENUM item
	prefix, postfix = getEnumValuePrefixAndPostfix(bitfield)
	lines.append(f"\t{prefix}_MAX_ENUM{postfix}\t= 0x7FFFFFFF")
	yield f"enum {bitfield.name}"
	yield "{"
	for line in indentLines(lines):
		yield line
	yield "};"

def genBitfield64Src (bitfield64):
	def generateEntry(lines, bitfieldName, entryName, bitpos, value):
		if entryName is None:
			return
		# bitfields may use mix of bitpos and values
		if ev.bitpos is not None:
			v = pow(2, int(bitpos))
			lines.append(f"static const {bitfieldName} {entryName}\t= {v:#010x}ULL;")
		if value is not None:
			lines.append(f"static const {bitfieldName} {entryName}\t= {value}ULL;")

	yield f"typedef uint64_t {bitfield64.name};"
	lines = []
	for ev in bitfield64.enumeratorList:
		generateEntry(lines, bitfield64.name, ev.name,  ev.bitpos, ev.value)
		for alias in ev.aliasList:
			generateEntry(lines, bitfield64.name, alias, ev.bitpos, ev.value)
	# write indented lines
	for line in indentLines(lines):
		yield line
	yield ""

def genDefinesSrc (apiName, defines):
	def genLines (defines):
		for d in defines:
			if d.alias is not None:
				continue
			defineType = DEFINITIONS.get(d.name, d.type)
			yield f"#define {d.name}\t(static_cast<{defineType}>\t({d.value}))"
	for line in indentLines(genLines(defines)):
		yield line
	# add VK_API_MAX_FRAMEWORK_VERSION
	major, minor = api.features[-1].number.split('.')
	yield f"#define VK{apiName}_API_MAX_FRAMEWORK_VERSION\tVK{apiName}_API_VERSION_{major}_{minor}"

def genHandlesSrc (handles):
	def genLines (handles):
		for h in handles:
			handleType = h.type
			handleObjtype = h.objtypeenum
			if h.alias is not None:
				# search for aliased handle
				for searchedHandle in handles:
					if h.alias == searchedHandle.name:
						handleType = searchedHandle.type
						handleObjtype = searchedHandle.objtypeenum
						break
			yield f"{handleType}\t({h.name},\tHANDLE{handleObjtype[9:]});"
	for line in indentLines(genLines(handles)):
		yield line

def genHandlesSrc (handles):
	def genLines (handles):
		for h in handles:
			handleType    = h.type
			handleObjtype = h.objtypeenum
			line = f"{handleType}\t({{}},\tHANDLE{handleObjtype[9:]});"
			yield line.format(h.name)
			if h.alias is not None:
				yield line.format(h.alias)

	for line in indentLines(genLines(handles)):
		yield line

def writeBasicTypes (api, filename):

	def gen ():

		for line in genDefinesSrc("SC" if api.apiName == "vulkansc" else "", api.defines):
			yield line
		yield ""

		for line in genHandlesSrc(api.handles):
			yield line
		yield ""

		for enum in api.enums:
			# skip empty enums only for vulkan
			# vulkan_json_data.hpp and vulkan_json_parser.hpp in SC need many empty enums
			if len(enum.enumeratorList) == 0 and api.apiName == "vulkan":
				continue
			if enum.type == "bitmask":
				if enum.bitwidth == "32":
					for line in genBitfieldSrc(enum):
						yield line
				else:
					for line in genBitfield64Src(enum):
						yield line
			else:
				for line in genEnumSrc(enum):
					yield line
			if enum.alias is not None:
				yield f"typedef {enum.name} {enum.alias};"
			yield ""

		for bitmask in api.bitmasks:
			plainType = api.basetypes[bitmask.type]
			yield f"typedef {plainType} {bitmask.name};\n"
			if bitmask.alias:
				yield f"typedef {bitmask.name} {bitmask.alias};\n"

		yield ""
		for line in indentLines(["VK_DEFINE_PLATFORM_TYPE(%s,\t%s)" % (s[0], c) for n, s, c in PLATFORM_TYPES]):
			yield line
		yield ""

		for ext in api.extensions:
			firstRequirementEnums = ext.requirementsList[0].extendedEnums
			for e in firstRequirementEnums:
				if e.extends is None and e.value is not None:
					yield "#define " + e.name + " " + e.value

	writeInlFile(filename, INL_HEADER, gen())

def writeCompositeTypes (api, filename):
	# function that returns definition of structure member
	def memberAsString (member):
		result = ''
		if member.qualifiers:
			result += member.qualifiers
		result += member.type
		if member.pointer:
			result += member.pointer
		result += '\t' + member.name
		for size in member.arraySizeList:
			result += f"[{size}]"
		if member.fieldWidth:
			result += f":{member.fieldWidth}"
		return result

	# function that prints single structure definition
	def genCompositeTypeSrc (type):
		structLines = "%s %s\n{\n" % (type.category, type.name)
		for line in indentLines(['\t'+memberAsString(m)+';' for m in type.members]):
			structLines += line + '\n'
		return structLines + "};\n"

	# function that prints all structure definitions and alias typedefs
	def gen ():
		# structures in xml are not ordered in a correct way for C++
		# we need to save structures that are used in other structures first
		allStructureNamesList = [s.name for s in api.compositeTypes]
		commonTypesList = api.basicCTypes + ['VkStructureType']
		savedStructureNamesList = []
		delayedStructureObjectsList = []

		# helper function that checks if all structure members were already saved
		def canStructBeSaved(compositeObject):
			for m in compositeObject.members:
				# check first commonTypesList to speed up the algorithm
				if m.type in commonTypesList:
					continue
				# make sure that member is not of same type as compositeObject
				# (this hadles cases like VkBaseOutStructure)
				if m.type == compositeObject.name:
					continue
				# if member is of compositeType that was not saved we cant save it now
				if m.type in allStructureNamesList and m.type not in savedStructureNamesList:
					return False
			return True

		# iterate over all composite types
		lastDelayedComposite = None
		for ct in api.compositeTypes:
			# check if one of delayed structures can be saved
			delayedButSaved = []
			for dct in delayedStructureObjectsList:
				if lastDelayedComposite != dct and canStructBeSaved(dct):
					yield genCompositeTypeSrc(dct)
					delayedButSaved.append(dct)
			lastDelayedComposite = None
			for dsct in delayedButSaved:
				savedStructureNamesList.append(dsct.name)
				delayedStructureObjectsList.remove(dsct)
			# check if current structure can be saved
			if canStructBeSaved(ct):
				yield genCompositeTypeSrc(ct)
				savedStructureNamesList.append(ct.name)
			else:
				delayedStructureObjectsList.append(ct)
				# memorize structure that was delayed in last iteration to
				# avoid calling for it canStructBeSaved in next iteration
				lastDelayedComposite = ct
		# save remaining delayed composite types (~4 video related structures)
		while len(delayedStructureObjectsList) > 0:
			for dct in delayedStructureObjectsList:
				if canStructBeSaved(dct):
					yield genCompositeTypeSrc(dct)
					savedStructureNamesList.append(dct.name)
					delayedStructureObjectsList.remove(dct)
					break
		# write all alias typedefs
		for ct in api.compositeTypes:
			for alias in ct.aliasList:
				yield "typedef %s %s;" % (ct.name, alias)
				yield ""

	writeInlFile(filename, INL_HEADER, gen())

def argListToStr (args):
	def argumentToString(arg):
		# args can be instance of FunctionArgument or CompositeMember
		# but CompositeMember has no arraySize atrribute nor secondPointerIsConst
		workingOnFunctionArgument = True if hasattr(arg, 'arraySize') else False
		result = ''
		if arg.qualifiers:
			result += arg.qualifiers
		result += arg.type
		if arg.pointer:
			if workingOnFunctionArgument and arg.secondPointerIsConst:
				result += '* const*'
			else:
				result += arg.pointer
		result += ' ' + arg.name
		if workingOnFunctionArgument:
			if arg.arraySize:
				result += arg.arraySize
		return result
	return ", ".join(argumentToString(arg) for arg in args)

def writeInterfaceDecl (api, filename, functionTypes, concrete):
	def genProtos ():
		postfix = "" if concrete else " = 0"
		for function in api.functions:
			if not function.getType() in functionTypes:
				continue
			yield "virtual %s\t%s\t(%s) const%s;" % (function.returnType, getInterfaceName(function.name), argListToStr(function.arguments), postfix)

	writeInlFile(filename, INL_HEADER, indentLines(genProtos()))

def writeFunctionPtrTypes (api, filename):
	def genTypes ():
		pattern = "typedef VKAPI_ATTR {}\t(VKAPI_CALL* {})\t({});"
		for function in api.functions:
			argList = argListToStr(function.arguments)
			yield pattern.format(function.returnType, getFunctionTypeName(function.name), argList)
			for alias in function.aliasList:
				yield pattern.format(function.returnType, getFunctionTypeName(alias), argList)

	writeInlFile(filename, INL_HEADER, indentLines(genTypes()))

def writeFunctionPointers (api, filename, functionTypes):
	def FunctionsYielder ():
		for function in api.functions:
			if function.getType() in functionTypes:
				interfaceName		= getInterfaceName(function.name)
				functionTypeName	= getFunctionTypeName(function.name)
				yield f"{functionTypeName}\t{interfaceName};"
				if function.getType() == Function.TYPE_INSTANCE:
					for alias in function.aliasList:
						interfaceName		= getInterfaceName(alias)
						functionTypeName	= getFunctionTypeName(alias)
						yield f"{functionTypeName}\t{interfaceName};"

	writeInlFile(filename, INL_HEADER, indentLines(FunctionsYielder()))

def getPromotedFunctions (api):
	apiNum = 0 if api.apiName == "vulkan" else 1
	promotedFunctions = collections.defaultdict(lambda: list())
	for feature in api.features:
		versionSplit = feature.name.split('_')
		apiMajor = versionSplit[-2]
		apiMinor = versionSplit[-1]
		apituple = (apiNum, apiMajor, apiMinor)
		for featureRequirement in feature.requirementsList:
			for promotedFun in featureRequirement.commandList:
				promotedFunctions[promotedFun].append(apituple)
	return promotedFunctions

def writeInitFunctionPointers (api, filename, functionTypes, cond = None):
	promotedFunctions = getPromotedFunctions(api) if Function.TYPE_DEVICE in functionTypes else None
	def makeInitFunctionPointers ():
		for function in api.functions:
			if function.getType() in functionTypes and (cond == None or cond(function)):
				condition = ''
				if function.getType() == Function.TYPE_DEVICE:
					versionCheck = ''
					if function.name in promotedFunctions:
						for versionTuple in promotedFunctions[function.name]:
							if len(versionCheck) > 0:
								versionCheck += ' || '
							versionCheck = 'usedApiVersion >= VK_MAKE_API_VERSION(%s, %s, %s, 0)' % versionTuple
					if len(versionCheck) > 0:
						condition = f"if ({versionCheck})\n    "
				interfaceName		= getInterfaceName(function.name)
				functionTypeName	= getFunctionTypeName(function.name)
				yield f"{condition}m_vk.{interfaceName} = ({functionTypeName}) GET_PROC_ADDR(\"{function.name}\");"
				for alias in function.aliasList:
					yield f"if (!m_vk.{interfaceName})"
					yield f"    m_vk.{interfaceName} = ({functionTypeName}) GET_PROC_ADDR(\"{alias}\");"
					if function.getType() == Function.TYPE_INSTANCE and function.arguments[0].type == "VkPhysicalDevice":
						interfaceName		= getInterfaceName(alias)
						functionTypeName	= getFunctionTypeName(alias)
						yield f"m_vk.{interfaceName} = ({functionTypeName}) GET_PROC_ADDR(\"{alias}\");"

	lines = makeInitFunctionPointers()
	writeInlFile(filename, INL_HEADER, lines)

def writeFuncPtrInterfaceImpl (api, filename, functionTypes, className):
	def makeFuncPtrInterfaceImpl ():
		for function in api.functions:
			if function.getType() in functionTypes:
				yield ""
				yield "%s %s::%s (%s) const" % (function.returnType, className, getInterfaceName(function.name), argListToStr(function.arguments))
				yield "{"
				if function.name == "vkEnumerateInstanceVersion":
					yield "	if (m_vk.enumerateInstanceVersion)"
					yield "		return m_vk.enumerateInstanceVersion(pApiVersion);"
					yield ""
					yield "	*pApiVersion = VK_API_VERSION_1_0;"
					yield "	return VK_SUCCESS;"
				elif function.getType() == Function.TYPE_INSTANCE and function.arguments[0].type == "VkPhysicalDevice" and len(function.aliasList) > 0:
					yield "	vk::VkPhysicalDeviceProperties props;"
					yield "	m_vk.getPhysicalDeviceProperties(physicalDevice, &props);"
					yield "	if (props.apiVersion >= VK_API_VERSION_1_1)"
					yield "		%sm_vk.%s(%s);" % ("return " if function.returnType != "void" else "", getInterfaceName(function.name), ", ".join(a.name for a in function.arguments))
					yield "	else"
					yield "		%sm_vk.%s(%s);" % ("return " if function.returnType != "void" else "", getInterfaceName(function.aliasList[0]), ", ".join(a.name for a in function.arguments))
				else:
					yield "	%sm_vk.%s(%s);" % ("return " if function.returnType != "void" else "", getInterfaceName(function.name), ", ".join(a.name for a in function.arguments))
				yield "}"

	writeInlFile(filename, INL_HEADER, makeFuncPtrInterfaceImpl())

def writeFuncPtrInterfaceSCImpl (api, filename, functionTypes, className):
	normFuncs = {
		"createGraphicsPipelines"		: "\t\treturn createGraphicsPipelinesHandlerNorm(device, pipelineCache, createInfoCount, pCreateInfos, pAllocator, pPipelines);",
		"createComputePipelines"		: "\t\treturn createComputePipelinesHandlerNorm(device, pipelineCache, createInfoCount, pCreateInfos, pAllocator, pPipelines);",
		"createSampler"					: "\t\treturn createSamplerHandlerNorm(device, pCreateInfo, pAllocator, pSampler);",
		"createSamplerYcbcrConversion"	: "\t\treturn createSamplerYcbcrConversionHandlerNorm(device, pCreateInfo, pAllocator, pYcbcrConversion);",
		"createDescriptorSetLayout"		: "\t\treturn createDescriptorSetLayoutHandlerNorm(device, pCreateInfo, pAllocator, pSetLayout);",
		"createPipelineLayout"			: "\t\treturn createPipelineLayoutHandlerNorm(device, pCreateInfo, pAllocator, pPipelineLayout);",
		"createRenderPass"				: "\t\treturn createRenderPassHandlerNorm(device, pCreateInfo, pAllocator, pRenderPass);",
		"createRenderPass2"				: "\t\treturn createRenderPass2HandlerNorm(device, pCreateInfo, pAllocator, pRenderPass);",
		"createCommandPool"				: "\t\treturn createCommandPoolHandlerNorm(device, pCreateInfo, pAllocator, pCommandPool);",
		"resetCommandPool"				: "\t\treturn resetCommandPoolHandlerNorm(device, commandPool, flags);",
		"createFramebuffer"				: "\t\treturn createFramebufferHandlerNorm(device, pCreateInfo, pAllocator, pFramebuffer);",
	}
	statFuncs = {
		"destroyDevice"					: "\t\tdestroyDeviceHandler(device, pAllocator);",
		"createDescriptorSetLayout"		: "\t\tcreateDescriptorSetLayoutHandlerStat(device, pCreateInfo, pAllocator, pSetLayout);",
		"destroyDescriptorSetLayout"	: "\t\tdestroyDescriptorSetLayoutHandler(device, descriptorSetLayout, pAllocator);",
		"createImageView"				: "\t\tcreateImageViewHandler(device, pCreateInfo, pAllocator, pView);",
		"destroyImageView"				: "\t\tdestroyImageViewHandler(device, imageView, pAllocator);",
		"createSemaphore"				: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(semaphoreRequestCount,1);\n\t\t*pSemaphore = Handle<HANDLE_TYPE_SEMAPHORE>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroySemaphore"				: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(semaphore,semaphoreRequestCount,1);\n\t}",
		"createFence"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(fenceRequestCount,1);\n\t\t*pFence = Handle<HANDLE_TYPE_FENCE>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroyFence"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(fence,fenceRequestCount,1);\n\t}",
		"allocateMemory"				: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(deviceMemoryRequestCount,1);\n\t\t*pMemory = Handle<HANDLE_TYPE_DEVICE_MEMORY>(m_resourceInterface->incResourceCounter());\n\t}",
		"createBuffer"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(bufferRequestCount,1);\n\t\t*pBuffer = Handle<HANDLE_TYPE_BUFFER>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroyBuffer"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(buffer,bufferRequestCount,1);\n\t}",
		"createImage"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(imageRequestCount,1);\n\t\t*pImage = Handle<HANDLE_TYPE_IMAGE>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroyImage"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(image,imageRequestCount,1);\n\t}",
		"createEvent"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(eventRequestCount,1);\n\t\t*pEvent = Handle<HANDLE_TYPE_EVENT>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroyEvent"					: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(event,eventRequestCount,1);\n\t}",
		"createQueryPool"				: "\t\tcreateQueryPoolHandler(device, pCreateInfo, pAllocator, pQueryPool);",
		"createBufferView"				: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(bufferViewRequestCount,1);\n\t\t*pView = Handle<HANDLE_TYPE_BUFFER_VIEW>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroyBufferView"				: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(bufferView,bufferViewRequestCount,1);\n\t}",
		"createPipelineLayout"			: "\t\tcreatePipelineLayoutHandlerStat(device, pCreateInfo, pAllocator, pPipelineLayout);",
		"destroyPipelineLayout"			: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(pipelineLayout,pipelineLayoutRequestCount,1);\n\t}",
		"createRenderPass"				: "\t\tcreateRenderPassHandlerStat(device, pCreateInfo, pAllocator, pRenderPass);",
		"createRenderPass2"				: "\t\tcreateRenderPass2HandlerStat(device, pCreateInfo, pAllocator, pRenderPass);",
		"destroyRenderPass"				: "\t\tdestroyRenderPassHandler(device, renderPass, pAllocator);",
		"createGraphicsPipelines"		: "\t\tcreateGraphicsPipelinesHandlerStat(device, pipelineCache, createInfoCount, pCreateInfos, pAllocator, pPipelines);",
		"createComputePipelines"		: "\t\tcreateComputePipelinesHandlerStat(device, pipelineCache, createInfoCount, pCreateInfos, pAllocator, pPipelines);",
		"destroyPipeline"				: "\t\tdestroyPipelineHandler(device, pipeline, pAllocator);",
		"createSampler"					: "\t\tcreateSamplerHandlerStat(device, pCreateInfo, pAllocator, pSampler);",
		"destroySampler"				: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(sampler,samplerRequestCount,1);\n\t}",
		"createDescriptorPool"			: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(descriptorPoolRequestCount,1);\n\t\t*pDescriptorPool = Handle<HANDLE_TYPE_DESCRIPTOR_POOL>(m_resourceInterface->incResourceCounter());\n\t}",
		"resetDescriptorPool"			: "\t\tresetDescriptorPoolHandlerStat(device, descriptorPool, flags);",
		"allocateDescriptorSets"		: "\t\tallocateDescriptorSetsHandlerStat(device, pAllocateInfo, pDescriptorSets);",
		"freeDescriptorSets"			: "\t\tfreeDescriptorSetsHandlerStat(device, descriptorPool, descriptorSetCount, pDescriptorSets);",
		"createFramebuffer"				: "\t\tcreateFramebufferHandlerStat(device, pCreateInfo, pAllocator, pFramebuffer);",
		"destroyFramebuffer"			: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(framebuffer,framebufferRequestCount,1);\n\t}",
		"createCommandPool"				: "\t\tcreateCommandPoolHandlerStat(device, pCreateInfo, pAllocator, pCommandPool);",
		"resetCommandPool"				: "\t\tresetCommandPoolHandlerStat(device, commandPool, flags);",
		"allocateCommandBuffers"		: "\t\tallocateCommandBuffersHandler(device, pAllocateInfo, pCommandBuffers);",
		"freeCommandBuffers"			: "\t\tfreeCommandBuffersHandler(device, commandPool, commandBufferCount, pCommandBuffers);",
		"createSamplerYcbcrConversion"	: "\t\tcreateSamplerYcbcrConversionHandlerStat(device, pCreateInfo, pAllocator, pYcbcrConversion);",
		"destroySamplerYcbcrConversion"	: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(ycbcrConversion,samplerYcbcrConversionRequestCount,1);\n\t}",
		"getDescriptorSetLayoutSupport"	: "\t\tgetDescriptorSetLayoutSupportHandler(device, pCreateInfo, pSupport);",
#		"" : "surfaceRequestCount",
#		"" : "swapchainRequestCount",
#		"" : "displayModeRequestCount"
		"mapMemory"						: "\t{\n\t\tDDSTAT_LOCK();\n\t\tif(m_falseMemory.size() < (static_cast<std::size_t>(offset+size)))\n\t\t\tm_falseMemory.resize(static_cast<std::size_t>(offset+size));\n\t\t*ppData = (void*)m_falseMemory.data();\n\t}",
		"getBufferMemoryRequirements"	: "\t{\n\t\tDDSTAT_LOCK();\n\t\tpMemoryRequirements->size = 1048576U;\n\t\tpMemoryRequirements->alignment = 1U;\n\t\tpMemoryRequirements->memoryTypeBits = ~0U;\n\t}",
		"getImageMemoryRequirements"	: "\t{\n\t\tDDSTAT_LOCK();\n\t\tpMemoryRequirements->size = 1048576U;\n\t\tpMemoryRequirements->alignment = 1U;\n\t\tpMemoryRequirements->memoryTypeBits = ~0U;\n\t}",
		"getBufferMemoryRequirements2"	: "\t{\n\t\tDDSTAT_LOCK();\n\t\tpMemoryRequirements->memoryRequirements.size = 1048576U;\n\t\tpMemoryRequirements->memoryRequirements.alignment = 1U;\n\t\tpMemoryRequirements->memoryRequirements.memoryTypeBits = ~0U;\n\t}",
		"getImageMemoryRequirements2"	: "\t{\n\t\tDDSTAT_LOCK();\n\t\tpMemoryRequirements->memoryRequirements.size = 1048576U;\n\t\tpMemoryRequirements->memoryRequirements.alignment = 1U;\n\t\tpMemoryRequirements->memoryRequirements.memoryTypeBits = ~0U;\n\t}",
		"getImageSubresourceLayout"		: "\t{\n\t\tDDSTAT_LOCK();\n\t\tpLayout->offset = 0U;\n\t\tpLayout->size = 1048576U;\n\t\tpLayout->rowPitch = 0U;\n\t\tpLayout->arrayPitch = 0U;\n\t\tpLayout->depthPitch = 0U;\n\t}",
		"createPipelineCache"			: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_CREATE(pipelineCacheRequestCount,1);\n\t\t*pPipelineCache = Handle<HANDLE_TYPE_PIPELINE_CACHE>(m_resourceInterface->incResourceCounter());\n\t}",
		"destroyPipelineCache"			: "\t{\n\t\tDDSTAT_LOCK();\n\t\tDDSTAT_HANDLE_DESTROY_IF(pipelineCache,pipelineCacheRequestCount,1);\n\t}",
		"cmdUpdateBuffer"				: "\t\tincreaseCommandBufferSize(commandBuffer, dataSize);",
		"getDeviceQueue"				: "\t\tm_vk.getDeviceQueue(device, queueFamilyIndex, queueIndex, pQueue);",
	}

	statReturns = {
		"VkResult"			: "return VK_SUCCESS;",
		"VkDeviceAddress"	: "return 0u;",
		"uint64_t"			: "return 0u;",
	}
	def makeFuncPtrInterfaceStatisticsImpl ():
		for function in api.functions:
			if function.getType() in functionTypes:
				ifaceName = getInterfaceName(function.name)
				yield ""
				yield "%s %s::%s (%s) const" % (function.returnType, className, ifaceName, argListToStr(function.arguments))
				yield "{"
				if ( ifaceName in normFuncs ) or ( ifaceName in statFuncs ):
					yield "\tstd::lock_guard<std::mutex> lock(functionMutex);"
				if ifaceName != "getDeviceProcAddr" :
					yield "\tif (m_normalMode)"
				if ifaceName in normFuncs :
					yield "%s" % ( normFuncs[ifaceName] )
				else:
					yield "\t\t%sm_vk.%s(%s);" % ("return " if function.returnType != "void" else "", ifaceName, ", ".join(a.name for a in function.arguments))
				if ifaceName in statFuncs :
					yield "\telse"
					yield "%s" % ( statFuncs[ifaceName] )
				elif ifaceName[:3] == "cmd" :
					yield "\telse"
					yield "\t\tincreaseCommandBufferSize(commandBuffer, 0u);"
				if function.returnType in statReturns:
					yield "\t%s" % ( statReturns[function.returnType] )
				yield "}"

	writeInlFile(filename, INL_HEADER, makeFuncPtrInterfaceStatisticsImpl())

def writeStrUtilProto (api, filename):
	def makeStrUtilProto ():
		for line in indentLines(["const char*\tget%sName\t(%s value);" % (enum.name[2:], enum.name) for enum in api.enums if enum.type == "enum"]):
			yield line
		yield ""
		for line in indentLines(["inline tcu::Format::Enum<%s>\tget%sStr\t(%s value)\t{ return tcu::Format::Enum<%s>(get%sName, value);\t}" % (e.name, e.name[2:], e.name, e.name, e.name[2:]) for e in api.enums if e.type == "enum"]):
			yield line
		yield ""
		for line in indentLines(["inline std::ostream&\toperator<<\t(std::ostream& s, %s value)\t{ return s << get%sStr(value);\t}" % (e.name, e.name[2:]) for e in api.enums if e.type == "enum"]):
			yield line
		yield ""
		for line in indentLines(["tcu::Format::Bitfield<%s>\tget%sStr\t(%s value);" % (("64" if b.type == "VkFlags64" else "32"), b.name[2:], b.name) for b in api.bitmasks]):
			yield line
		yield ""
		for line in indentLines(["std::ostream&\toperator<<\t(std::ostream& s, const %s& value);" % (s.name) for s in api.compositeTypes]):
			yield line

	writeInlFile(filename, INL_HEADER, makeStrUtilProto())

def writeStrUtilImpl (api, filename):
	def makeStrUtilImpl ():
		for line in indentLines(["template<> const char*\tgetTypeName<%s>\t(void) { return \"%s\";\t}" % (handle.name, handle.name) for handle in api.handles]):
			yield line

		yield ""
		yield "namespace %s" % PLATFORM_TYPE_NAMESPACE
		yield "{"

		for line in indentLines("std::ostream& operator<< (std::ostream& s, %s\tv) { return s << tcu::toHex(v.internal); }" % ''.join(s) for n, s, c in PLATFORM_TYPES):
			yield line

		yield "}"

		savedBitmasks = []
		for enum in api.enums:
			if enum.type == "enum":
				yield ""
				yield "const char* get%sName (%s value)" % (enum.name[2:], enum.name)
				yield "{"
				yield "\tswitch (value)"
				yield "\t{"
				enumValues = []
				lastValue = 0x7FFFFFFF
				for e in enum.enumeratorList:
					enumValues.append(f"\t\tcase {e.name}:\treturn \"{e.name}\";")
				enumValues.append("\t\tdefault:\treturn DE_NULL;")
				for line in indentLines(enumValues):
					yield line
				yield "\t}"
				yield "}"
			elif enum.type == "bitmask":
				# find bitfield that uses those bitmasks
				foundBitmask = None
				for bitmask in api.bitmasks:
					if bitmask.requires == enum.name or bitmask.bitvalues == enum.name:
						foundBitmask = bitmask
						break
				if foundBitmask == None:
					continue
				savedBitmasks.append(foundBitmask.name)
				bitSize = "64" if foundBitmask.type == "VkFlags64" else "32"
				yield ""
				yield f"tcu::Format::Bitfield<{bitSize}> get{bitmask.name[2:]}Str ({bitmask.name} value)"
				yield "{"
				yield "\tstatic const tcu::Format::BitDesc s_desc[] ="
				yield "\t{"
				if len(enum.enumeratorList) == 0:
					# some bitfields in SC have no items
					yield f"\t\ttcu::Format::BitDesc(0, \"0\")"
				else:
					for line in indentLines([f"\t\ttcu::Format::BitDesc({e.name},\t\"{e.name}\")," for e in enum.enumeratorList]):
						yield line
				yield "\t};"
				yield f"\treturn tcu::Format::Bitfield<{bitSize}>(value, DE_ARRAY_BEGIN(s_desc), DE_ARRAY_END(s_desc));"
				yield "}"

		for bitmask in api.bitmasks:
			if bitmask.name not in savedBitmasks:
				bitSize = "64" if bitmask.type == "VkFlags64" else "32"
				yield ""
				yield f"tcu::Format::Bitfield<{bitSize}> get{bitmask.name[2:]}Str ({bitmask.name} value)"
				yield "{"
				yield f"\treturn tcu::Format::Bitfield<{bitSize}>(value, DE_NULL, DE_NULL);"
				yield "}"

		bitfieldTypeNames = set([bitmask.name for bitmask in api.bitmasks])

		for type in api.compositeTypes:
			yield ""
			yield "std::ostream& operator<< (std::ostream& s, const %s& value)" % type.name
			yield "{"
			yield "\ts << \"%s = {\\n\";" % type.name
			for member in type.members:
				memberName	= member.name
				valFmt		= None
				newLine		= ""
				if member.type in bitfieldTypeNames:
					operator = '*' if member.pointer == '*' else ''
					valFmt = "get%sStr(%svalue.%s)" % (member.type[2:], operator, member.name)
				elif member.type == "char" and member.pointer == '*':
					valFmt = "getCharPtrStr(value.%s)" % member.name
				elif member.type == PLATFORM_TYPE_NAMESPACE + "::Win32LPCWSTR":
					valFmt = "getWStr(value.%s)" % member.name
				elif len(member.arraySizeList) == 1:
					if member.name in ["extensionName", "deviceName", "layerName", "description"]:
						valFmt = "(const char*)value.%s" % member.name
					elif member.type == 'char' or member.type == 'uint8_t':
						newLine = "'\\n' << "
						valFmt	= "tcu::formatArray(tcu::Format::HexIterator<%s>(DE_ARRAY_BEGIN(value.%s)), tcu::Format::HexIterator<%s>(DE_ARRAY_END(value.%s)))" % (member.type, member.name, member.type, member.name)
					else:
						if member.name == "memoryTypes" or member.name == "memoryHeaps":
							endIter = "DE_ARRAY_BEGIN(value.%s) + value.%sCount" % (member.name, member.name[:-1])
						else:
							endIter = "DE_ARRAY_END(value.%s)" % member.name
						newLine = "'\\n' << "
						valFmt	= "tcu::formatArray(DE_ARRAY_BEGIN(value.%s), %s)" % (member.name, endIter)
					memberName = member.name
				elif len(member.arraySizeList) > 1:
					yield f"\ts << \"\\t{member.name} = \" << '\\n';"
					dim = 0
					index = ''
					dimensionCount = len(member.arraySizeList)
					while dim < dimensionCount-1:
						yield f"\tfor(deUint32 i{dim} = 0 ; i{dim} < {member.arraySizeList[dim]} ; ++i{dim})"
						index += f"[i{dim}]"
						dim +=1
					yield f"\t\ts << tcu::formatArray(DE_ARRAY_BEGIN(value.{member.name}{index}), DE_ARRAY_END(value.{member.name}{index})) << '\\n';"
					# move to next member
					continue
				else:
					valFmt = "value.%s" % member.name
				yield ("\ts << \"\\t%s = \" << " % memberName) + newLine + valFmt + " << '\\n';"
			yield "\ts << '}';"
			yield "\treturn s;"
			yield "}"
	writeInlFile(filename, INL_HEADER, makeStrUtilImpl())

def writeObjTypeImpl (api, filename):
	def makeObjTypeImpl ():

		yield "namespace vk"
		yield "{"

		yield "template<typename T> VkObjectType getObjectType	(void);"

		for line in indentLines(["template<> inline VkObjectType\tgetObjectType<%s>\t(void) { return %s;\t}" % (handle.name, prefixName("VK_OBJECT_TYPE_", handle.name)) for handle in api.handles]):
			yield line

		yield "}"

	writeInlFile(filename, INL_HEADER, makeObjTypeImpl())

class ConstructorFunction:
	def __init__ (self, type, name, objectType, ifaceArgs, arguments):
		self.type		= type
		self.name		= name
		self.objectType	= objectType
		self.ifaceArgs	= ifaceArgs
		self.arguments	= arguments

def getConstructorFunctions (api):
	funcs = []

	ifacesDict = {
		Function.TYPE_PLATFORM:	[FunctionArgument("vk", "const ", "PlatformInterface&")],
		Function.TYPE_INSTANCE:	[FunctionArgument("vk", "const ", "InstanceInterface&")],
		Function.TYPE_DEVICE:	[FunctionArgument("vk", "const ", "DeviceInterface&")]}

	for function in api.functions:
		if (function.name[:8] == "vkCreate" or function.name == "vkAllocateMemory") and not "createInfoCount" in [a.name for a in function.arguments]:
			if function.name == "vkCreateDisplayModeKHR":
				continue # No way to delete display modes (bug?)

			ifaceArgs = []
			if function.name == "vkCreateDevice":
				ifaceArgs = [FunctionArgument("vkp", "const ", "PlatformInterface&"),
							 FunctionArgument("instance", "", "VkInstance")]
			ifaceArgs.extend(ifacesDict[function.getType()])

			assert (function.arguments[-2].type == "VkAllocationCallbacks" and \
					"const" in function.arguments[-2].qualifiers and \
					function.arguments[-2].pointer == "*")

			objectType	= function.arguments[-1].type
			arguments	= function.arguments[:-1]
			funcs.append(ConstructorFunction(function.getType(), getInterfaceName(function.name), objectType, ifaceArgs, arguments))
	return funcs

def addVersionDefines(versionSpectrum):
	output = ["#define " + ver.getDefineName() + " " + ver.getInHex() for ver in versionSpectrum if not ver.isStandardVersion()]
	return output

def writeRefUtilProto (api, filename):
	functions = getConstructorFunctions(api)

	def makeRefUtilProto ():
		unindented = []
		for line in indentLines(["Move<%s>\t%s\t(%s = DE_NULL);" % (function.objectType, function.name, argListToStr(function.ifaceArgs + function.arguments)) for function in functions]):
			yield line

	writeInlFile(filename, INL_HEADER, makeRefUtilProto())

def writeRefUtilImpl (api, filename):
	functions = getConstructorFunctions(api)

	def makeRefUtilImpl ():
		yield "namespace refdetails"
		yield "{"
		yield ""

		for function in api.functions:
			if function.getType() == Function.TYPE_DEVICE \
			and (function.name[:9] == "vkDestroy" or function.name == "vkFreeMemory") \
			and not function.name == "vkDestroyDevice":
				objectType = function.arguments[-2].type
				yield "template<>"
				yield "void Deleter<%s>::operator() (%s obj) const" % (objectType, objectType)
				yield "{"
				yield "\tm_deviceIface->%s(m_device, obj, m_allocator);" % (getInterfaceName(function.name))
				yield "}"
				yield ""

		yield "} // refdetails"
		yield ""

		dtorDict = {
			Function.TYPE_PLATFORM: "object",
			Function.TYPE_INSTANCE: "instance",
			Function.TYPE_DEVICE: "device"
		}

		for function in functions:
			deleterArgsString = ''
			if function.name == "createDevice":
				# createDevice requires two additional parameters to setup VkDevice deleter
				deleterArgsString = "vkp, instance, object, " +  function.arguments[-1].name
			else:
				deleterArgsString = "vk, %s, %s" % (dtorDict[function.type], function.arguments[-1].name)

			yield "Move<%s> %s (%s)" % (function.objectType, function.name, argListToStr(function.ifaceArgs + function.arguments))
			yield "{"
			yield "\t%s object = 0;" % function.objectType
			yield "\tVK_CHECK(vk.%s(%s));" % (function.name, ", ".join([a.name for a in function.arguments] + ["&object"]))
			yield "\treturn Move<%s>(check<%s>(object), Deleter<%s>(%s));" % (function.objectType, function.objectType, function.objectType, deleterArgsString)
			yield "}"
			yield ""

	writeInlFile(filename, INL_HEADER, makeRefUtilImpl())

def writeStructTraitsImpl (api, filename):
	def gen ():
		for cType in api.compositeTypes:
			if cType.category == "struct" and cType.members[0].name == "sType" and cType.name != "VkBaseOutStructure" and cType.name != "VkBaseInStructure":
				yield "template<> VkStructureType getStructureType<%s> (void)" % cType.name
				yield "{"
				yield "\treturn %s;" % cType.members[0].values
				yield "}"
				yield ""

	writeInlFile(filename, INL_HEADER, gen())

def writeNullDriverImpl (api, filename):
	def genNullDriverImpl ():
		specialFuncNames	= [
				"vkCreateGraphicsPipelines",
				"vkCreateComputePipelines",
				"vkCreateRayTracingPipelinesNV",
				"vkCreateRayTracingPipelinesKHR",
				"vkGetInstanceProcAddr",
				"vkGetDeviceProcAddr",
				"vkEnumeratePhysicalDevices",
				"vkEnumerateInstanceExtensionProperties",
				"vkEnumerateDeviceExtensionProperties",
				"vkGetPhysicalDeviceFeatures",
				"vkGetPhysicalDeviceFeatures2KHR",
				"vkGetPhysicalDeviceProperties",
				"vkGetPhysicalDeviceProperties2KHR",
				"vkGetPhysicalDeviceQueueFamilyProperties",
				"vkGetPhysicalDeviceMemoryProperties",
				"vkGetPhysicalDeviceFormatProperties",
				"vkGetPhysicalDeviceImageFormatProperties",
				"vkGetDeviceQueue",
				"vkGetBufferMemoryRequirements",
				"vkGetBufferMemoryRequirements2KHR",
				"vkGetImageMemoryRequirements",
				"vkGetImageMemoryRequirements2KHR",
				"vkAllocateMemory",
				"vkMapMemory",
				"vkUnmapMemory",
				"vkAllocateDescriptorSets",
				"vkFreeDescriptorSets",
				"vkResetDescriptorPool",
				"vkAllocateCommandBuffers",
				"vkFreeCommandBuffers",
				"vkCreateDisplayModeKHR",
				"vkCreateSharedSwapchainsKHR",
				"vkGetPhysicalDeviceExternalBufferPropertiesKHR",
				"vkGetPhysicalDeviceImageFormatProperties2KHR",
				"vkGetMemoryAndroidHardwareBufferANDROID",
				"vkCreateShadersEXT",
			]

		specialFuncs		= [f for f in api.functions if f.name in specialFuncNames]
		createFuncs			= [f for f in api.functions if (f.name[:8] == "vkCreate" or f.name == "vkAllocateMemory") and not f in specialFuncs]
		destroyFuncs		= [f for f in api.functions if (f.name[:9] == "vkDestroy" or f.name == "vkFreeMemory") and not f in specialFuncs]
		dummyFuncs			= [f for f in api.functions if f not in specialFuncs + createFuncs + destroyFuncs]

		def getHandle (name):
			for handle in api.handles:
				if handle.name == name:
					return handle
			raise Exception("No such handle: %s" % name)

		for function in createFuncs:
			objectType	= function.arguments[-1].type
			argsStr		= ", ".join([a.name for a in function.arguments[:-1]])

			yield "VKAPI_ATTR %s VKAPI_CALL %s (%s)" % (function.returnType, getInterfaceName(function.name), argListToStr(function.arguments))
			yield "{"
			yield "\tDE_UNREF(%s);" % function.arguments[-2].name

			if function.arguments[-1].len != None:
				yield "\tVK_NULL_RETURN((allocateNonDispHandleArray<%s, %s>(%s, %s)));" % (objectType[2:], objectType, argsStr, function.arguments[-1].name)
			else:
				if getHandle(objectType).type == "VK_DEFINE_NON_DISPATCHABLE_HANDLE":
					yield "\tVK_NULL_RETURN((*%s = allocateNonDispHandle<%s, %s>(%s)));" % (function.arguments[-1].name, objectType[2:], objectType, argsStr)
				else:
					yield "\tVK_NULL_RETURN((*%s = allocateHandle<%s, %s>(%s)));" % (function.arguments[-1].name, objectType[2:], objectType, argsStr)
			yield "}"
			yield ""

		for function in destroyFuncs:
			objectArg	= function.arguments[-2]

			yield "VKAPI_ATTR %s VKAPI_CALL %s (%s)" % (function.returnType, getInterfaceName(function.name), argListToStr(function.arguments))
			yield "{"
			for arg in function.arguments[:-2]:
				yield "\tDE_UNREF(%s);" % arg.name

			if getHandle(objectArg.type).type == 'VK_DEFINE_NON_DISPATCHABLE_HANDLE':
				yield "\tfreeNonDispHandle<%s, %s>(%s, %s);" % (objectArg.type[2:], objectArg.type, objectArg.name, function.arguments[-1].name)
			else:
				yield "\tfreeHandle<%s, %s>(%s, %s);" % (objectArg.type[2:], objectArg.type, objectArg.name, function.arguments[-1].name)

			yield "}"
			yield ""

		for function in dummyFuncs:
			yield "VKAPI_ATTR %s VKAPI_CALL %s (%s)" % (function.returnType, getInterfaceName(function.name), argListToStr(function.arguments))
			yield "{"
			for arg in function.arguments:
				yield "\tDE_UNREF(%s);" % arg.name
			if function.returnType != "void":
				yield "\treturn VK_SUCCESS;"
			yield "}"
			yield ""

		def genFuncEntryTable (type, name):

			entries = []
			pattern = "\tVK_NULL_FUNC_ENTRY(%s,\t%s),"
			for f in api.functions:
				if f.getType() != type:
					continue
				entries.append(pattern % (f.name, getInterfaceName(f.name)))

			yield "static const tcu::StaticFunctionLibrary::Entry %s[] =" % name
			yield "{"

			for line in indentLines(entries):
				yield line
			yield "};"
			yield ""

		# Func tables
		for line in genFuncEntryTable(Function.TYPE_PLATFORM, "s_platformFunctions"):
			yield line

		for line in genFuncEntryTable(Function.TYPE_INSTANCE, "s_instanceFunctions"):
			yield line

		for line in genFuncEntryTable(Function.TYPE_DEVICE, "s_deviceFunctions"):
			yield line

	writeInlFile(filename, INL_HEADER, genNullDriverImpl())

def writeTypeUtil (api, filename):
	# Structs filled by API queries are not often used in test code
	QUERY_RESULT_TYPES = set([
			"VkPhysicalDeviceFeatures",
			"VkPhysicalDeviceLimits",
			"VkFormatProperties",
			"VkImageFormatProperties",
			"VkPhysicalDeviceSparseProperties",
			"VkQueueFamilyProperties",
			"VkMemoryType",
			"VkMemoryHeap",
			"StdVideoH264SpsVuiFlags",
			"StdVideoH264SpsFlags",
			"StdVideoH264PpsFlags",
			"StdVideoDecodeH264PictureInfoFlags",
			"StdVideoDecodeH264ReferenceInfoFlags",
			"StdVideoEncodeH264SliceHeaderFlags",
			"StdVideoEncodeH264PictureInfoFlags",
			"StdVideoEncodeH264ReferenceInfoFlags",
			"StdVideoEncodeH264ReferenceInfoFlags",
			"StdVideoH265HrdFlags",
			"StdVideoH265VpsFlags",
			"StdVideoH265SpsVuiFlags",
			"StdVideoH265SpsFlags",
			"StdVideoH265PpsFlags",
			"StdVideoDecodeH265PictureInfoFlags",
			"StdVideoDecodeH265ReferenceInfoFlags",
			"StdVideoEncodeH265PictureInfoFlags",
			"StdVideoEncodeH265ReferenceInfoFlags",
			"StdVideoEncodeH265SliceSegmentHeaderFlags",
			"StdVideoH265ProfileTierLevelFlags",
			"StdVideoH265ShortTermRefPicSetFlags",
			"StdVideoEncodeH264ReferenceListsInfoFlags",
			"StdVideoEncodeH265ReferenceListsInfoFlags",
		])

	def isSimpleStruct (type):
		def hasArrayMember (type):
			for member in type.members:
				if len(member.arraySizeList) > 0:
					return True
			return False

		def hasCompositeMember (type):
			for member in type.members:
				if member.pointer is not None and '*' not in member.pointer:
					match = [c for c in api.compositeTypes if member.type == c.name]
					if len(match) > 0:
						return True
			return False

		return type.category == "struct" and \
		type.members[0].type != "VkStructureType" and \
		not type.name in QUERY_RESULT_TYPES and \
		not hasArrayMember(type) and \
		not hasCompositeMember(type)

	def gen ():
		for type in api.compositeTypes:
			if not isSimpleStruct(type):
				continue

			name = type.name[2:] if type.name[:2].lower() == "vk" else type.name

			yield ""
			yield "inline %s make%s (%s)" % (type.name, name, argListToStr(type.members))
			yield "{"
			yield "\t%s res;" % type.name
			for line in indentLines(["\tres.%s\t= %s;" % (m.name, m.name) for m in type.members]):
				yield line
			yield "\treturn res;"
			yield "}"

	writeInlFile(filename, INL_HEADER, gen())

def writeDriverIds(api, filename):
	driverIdsString = []
	driverIdsString.append("static const struct\n"
					 "{\n"
					 "\tstd::string driver;\n"
					 "\tuint32_t id;\n"
					 "} driverIds [] =\n"
					 "{")
	driverItems = dict()
	driverIdEnum = [enum for enum in api.enums if enum.name == 'VkDriverId'][0]
	for enumerator in driverIdEnum.enumeratorList:
		driverIdsString.append(f"\t{{\"{enumerator.name}\", {enumerator.value}}},")
		driverItems[enumerator.name] = enumerator.value
	for enumerator in driverIdEnum.enumeratorList:
		if len(enumerator.aliasList) > 0:
			driverIdsString.append(f"\t{{\"{enumerator.aliasList[0]}\", {enumerator.value}}},\t// {enumerator.name}")
	driverIdsString.append("\t{\"VK_DRIVER_ID_MAX_ENUM\", 0x7FFFFFFF}")
	driverIdsString.append("};")

	writeInlFile(filename, INL_HEADER, driverIdsString)

def writeSupportedExtensions(api, filename):

	def writeExtensionsForVersions(map):
		result = []
		for version in map:
			result.append("	if (coreVersion >= " + str(version) + ")")
			result.append("	{")
			for extension in map[version]:
				result.append('		dst.push_back("' + extension.name + '");')
			result.append("	}")

		if not map:
			result.append("	DE_UNREF(coreVersion);")

		return result

	isSC			= api.apiName == 'vulkansc'
	instanceMap		= {}
	deviceMap		= {}

	for ext in api.extensions:
		if ext.promotedto is None or "VK_VERSION" not in ext.promotedto:
			continue
		# skip partialy promoted extensions
		if ext.partiallyPromoted is True:
			continue
		major		= int(ext.promotedto[-3])
		minor		= int(ext.promotedto[-1])
		currVersion = "VK_API_VERSION_" + ext.promotedto[-3:]
		# VulkanSC is based on Vulkan 1.2. Any Vulkan version greater than 1.2 should be excluded
		if isSC and major==1 and minor>2:
			continue
		if ext.type == 'instance':
			list = instanceMap.get(currVersion)
			instanceMap[currVersion] = list + [ext] if list else [ext]
		else:
			list = deviceMap.get(currVersion)
			deviceMap[currVersion] = list + [ext] if list else [ext]

	# add list of extensions missing in Vulkan SC specification
	if isSC:
		for extensionName, data in api.additionalExtensionData:
			# make sure that this extension was registered
			if 'register_extension' not in data.keys():
				continue
			# save array containing 'device' or 'instance' string followed by the optional vulkan version in which this extension is core;
			# note that register_extension section is also required for partialy promoted extensions like VK_EXT_extended_dynamic_state2
			# but those extensions should not fill 'core' tag
			match = re.match("(\d).(\d).(\d).(\d)", data['register_extension']['core'])
			if match == None:
				continue
			major = int(match.group(2))
			minor = int(match.group(3))
			if major==1 and minor>2:
				continue
			currVersion = f"VK_API_VERSION_{major}_{minor}"
			ext = Extension(extensionName, 0, 0, 0, 0, 0, 0, 0)
			if data['register_extension']['type'] == 'instance':
				list = instanceMap.get(currVersion)
				instanceMap[currVersion] = list + [ext] if list else [ext]
			else:
				list = deviceMap.get(currVersion)
				deviceMap[currVersion] = list + [ext] if list else [ext]

	lines = [
	"",
	"void getCoreDeviceExtensionsImpl (uint32_t coreVersion, ::std::vector<const char*>&%s)" % (" dst" if len(deviceMap) != 0 or isSC else ""),
	"{"] + writeExtensionsForVersions(deviceMap) + [
	"}",
	"",
	"void getCoreInstanceExtensionsImpl (uint32_t coreVersion, ::std::vector<const char*>&%s)" % (" dst" if len(instanceMap) != 0 or isSC else ""),
	"{"] + writeExtensionsForVersions(instanceMap) + [
	"}",
	""]
	writeInlFile(filename, INL_HEADER, lines)


def writeExtensionFunctions (api, filename):

	def writeExtensionNameArrays ():
		instanceExtensionNames	= [f"\t\"{ext.name}\"," for ext in api.extensions if ext.type == "instance"]
		deviceExtensionNames	= [f"\t\"{ext.name}\"," for ext in api.extensions if ext.type == "device"]
		yield '::std::string instanceExtensionNames[] =\n{'
		for instanceExtName in instanceExtensionNames:
			yield instanceExtName
		yield '};\n'
		yield '::std::string deviceExtensionNames[] =\n{'
		for deviceExtName in deviceExtensionNames:
			yield deviceExtName
		yield '};'

	def writeExtensionFunctions (functionType):
		isFirstWrite = True
		dg_list = []	# Device groups functions need special casing, as Vulkan 1.0 keeps them in VK_KHR_device_groups whereas 1.1 moved them into VK_KHR_swapchain
		if functionType == Function.TYPE_INSTANCE:
			yield 'void getInstanceExtensionFunctions (uint32_t apiVersion, ::std::string extName, ::std::vector<const char*>& functions)\n{'
			dg_list = ["vkGetPhysicalDevicePresentRectanglesKHR"]
		elif functionType == Function.TYPE_DEVICE:
			yield 'void getDeviceExtensionFunctions (uint32_t apiVersion, ::std::string extName, ::std::vector<const char*>& functions)\n{'
			dg_list = ["vkGetDeviceGroupPresentCapabilitiesKHR", "vkGetDeviceGroupSurfacePresentModesKHR", "vkAcquireNextImage2KHR"]
		for ext in api.extensions:
			funcNames = []
			for requirement in ext.requirementsList:
				for requiredCommand in requirement.newCommands:
					commandName = requiredCommand.name
					# find function that has specified name
					func		= None
					funcList	= [f for f in api.functions if f.name == commandName]
					# if name was not found check if this is alias
					if len(funcList) == 0:
						for f in api.functions:
							for aliasName in f.aliasList:
								if aliasName == commandName:
									func = f
									break
							if func:
								break
					else:
						func = funcList[0]
					if func == None:
						if api.apiName == "vulkansc":
							continue
						# something went wrong, for "vulkan" func should always be found
						assert(False)
					if func.getType() == functionType:
						# only add functions with same vendor as extension
						# this is a workaround for entrypoints requiring more
						# than one extension and lack of the dependency in vk.xml
						vendor = ext.name.split('_')[1]
						if commandName.endswith(vendor):
							funcNames.append(commandName)
			if ext.name:
				yield '\tif (extName == "%s")' % ext.name
				yield '\t{'
				for funcName in funcNames:
					if funcName in dg_list:
						yield '\t\tif(apiVersion >= VK_API_VERSION_1_1) functions.push_back("%s");' % funcName
					else:
						yield '\t\tfunctions.push_back("%s");' % funcName
				if ext.name == "VK_KHR_device_group":
					for dg_func in dg_list:
						yield '\t\tif(apiVersion < VK_API_VERSION_1_1) functions.push_back("%s");' % dg_func
				yield '\t\treturn;'
				yield '\t}'
				isFirstWrite = False
		if not isFirstWrite:
			yield '\tDE_FATAL("Extension name not found");'
			yield '}'

	lines = ['']
	for line in writeExtensionFunctions(Function.TYPE_INSTANCE):
		lines += [line]
	lines += ['']
	for line in writeExtensionFunctions(Function.TYPE_DEVICE):
		lines += [line]
	lines += ['']
	for line in writeExtensionNameArrays():
		lines += [line]

	writeInlFile(filename, INL_HEADER, lines)

def writeCoreFunctionalities(api, filename):
	functionOriginValues = ["FUNCTIONORIGIN_PLATFORM", "FUNCTIONORIGIN_INSTANCE", "FUNCTIONORIGIN_DEVICE"]

	functionNamesPerApiVersionDict = {}
	for feature in api.features:
		apiVersion = "VK_API_VERSION_" + feature.number.replace('.', '_')
		functionNamesPerApiVersionDict[apiVersion] = []
		for r in feature.requirementsList:
			functionNamesPerApiVersionDict[apiVersion].extend(r.commandList)

	lines = [
	"",
	'enum FunctionOrigin', '{'] + [line for line in indentLines([
	'\t' + functionOriginValues[0] + '\t= 0,',
	'\t' + functionOriginValues[1] + ',',
	'\t' + functionOriginValues[2]])] + [
	"};",
	"",
	"typedef ::std::pair<const char*, FunctionOrigin> FunctionInfo;",
	"typedef ::std::vector<FunctionInfo> FunctionInfosList;",
	"typedef ::std::map<uint32_t, FunctionInfosList> ApisMap;",
	"",
	"void initApisMap (ApisMap& apis)",
	"{",
	"	apis.clear();"] + [
	"	apis.insert(::std::pair<uint32_t, FunctionInfosList>(" + v + ", FunctionInfosList()));" for v in functionNamesPerApiVersionDict] + [
	""]

	apiVersions		= []
	functionLines	= []
	for apiVersion in functionNamesPerApiVersionDict:
		# iterate over names of functions added with api
		for functionName in functionNamesPerApiVersionDict[apiVersion]:
			# search for data of this function in all functions list
			functionData = None
			for f in api.functions:
				if functionName == f.name or functionName in f.aliasList:
					functionData = f
					break
			if functionData == None:
				if api.apiName == "vulkansc":
					continue
				# something went wrong, for "vulkan" functionData should always be found
				assert(False)
			# add line coresponding to this function
			functionLines.append('\tapis[{0}].push_back(FunctionInfo("' + functionName + '",\t' + functionOriginValues[functionData.getType()] + '));')
		# functions for every api version should also include all functions from previous versions
		specializedLines = [line.format(apiVersion) for line in functionLines]
		# indent all functions of specified api and add them to main list
		lines = lines + [line for line in indentLines(specializedLines)] + [""]

	lines = lines + ["}"]
	writeInlFile(filename, INL_HEADER, lines)

def camelToSnake(name):
	name = re.sub('([a-z])([23])D([A-Z])', r'\1_\2d\3', name)
	name = re.sub('(.)([A-Z][a-z]+)', r'\1_\2', name)
	return re.sub('([a-z0-9])([A-Z])', r'\1_\2', name).lower()

def writeDeviceFeatures2(api, filename):

	def structInAPI(compositeObject):
		for c in api.compositeTypes:
			if c.name == compositeObject.name:
				return True
		return False

	# helper class used to encapsulate all data needed during generation
	class StructureDetail:
		def __init__ (self, compositeObject):
			self.nameList		= [compositeObject.name] + compositeObject.aliasList
			self.sType			= compositeObject.members[0].values
			self.instanceName	= 'd' + compositeObject.name[11:]
			self.flagName		= 'is' + compositeObject.name[16:]
			self.extension		= None
			self.api			= None
			self.major			= None
			self.minor			= None
			structureMembers	= compositeObject.members[2:]
			self.members		= [m.name for m in structureMembers]

	# helper extension class used in algorith below
	class StructureFoundContinueToNextOne(Exception):
		pass

	# find structures that extend VkPhysicalDeviceFeatures2
	structures = [c for c in api.compositeTypes if c.structextends is not None and 'VkPhysicalDeviceFeatures2' in c.structextends]
	# remove structures that were added by extensions other than KHR and EXT
	testedStructures = []
	for s in structures:
		if all([postfix not in s.name for postfix in EXTENSION_POSTFIXES_VENDOR]):
			testedStructures.append(s)

	existingStructures		= list(filter(structInAPI, testedStructures)) # remove features not found in API ( important for Vulkan SC )
	testedStructureDetail	= [StructureDetail(struct) for struct in existingStructures]
	# iterate over all searched structures and find extensions that enabled them
	for structureDetail in testedStructureDetail:
		try:
			# iterate over all extensions
			for extension in api.extensions:
				for requirement in extension.requirementsList:
					for extensionStructure in requirement.newTypes:
						if extensionStructure.name in structureDetail.nameList:
							structureDetail.extension = extension.name
							if extension.promotedto is not None and extension.partiallyPromoted is False:
								# check if extension was promoted to vulkan version or other extension
								if 'VK_VERSION' in extension.promotedto:
									versionSplit = extension.promotedto.split('_')
									structureDetail.api		= 0 if api.apiName == "vulkan" else 1
									structureDetail.major	= versionSplit[-2]
									structureDetail.minor	= versionSplit[-1]
								else:
									structureDetail.extension = extension.promotedto
							raise StructureFoundContinueToNextOne
		except StructureFoundContinueToNextOne:
			continue
	structureDetailToRemove = []
	for structureDetail in testedStructureDetail:
		if structureDetail.major is not None:
			continue
		# if structure was not added with extension then check if
		# it was added directly with one of vulkan versions
		structureName = structureDetail.nameList[0]
		for feature in api.features:
			for requirement in feature.requirementsList:
				if structureName in requirement.typeList:
					if api.apiName == "vulkansc" and int(feature.number[-1]) > 2:
						structureDetailToRemove.append(structureDetail)
					else:
						versionSplit = feature.name.split('_')
						structureDetail.api		= 0 if api.apiName == "vulkan" else 1
						structureDetail.major	= versionSplit[-2]
						structureDetail.minor	= versionSplit[-1]
					break
			if structureDetail.major is not None:
				break
	# remove structures that should not be tested for given api version
	for sd in structureDetailToRemove:
		testedStructureDetail.remove(sd)
	# generate file content
	structureDefinitions = []
	featureEnabledFlags = []
	clearStructures = []
	structureChain = []
	logStructures = []
	verifyStructures = []
	for index, structureDetail in enumerate(testedStructureDetail):
		structureName = structureDetail.nameList[0]
		# create two instances of each structure
		nameSpacing = '\t'
		structureDefinitions.append(structureName + nameSpacing + structureDetail.instanceName + '[count];')
		# create flags that check if proper extension or vulkan version is available
		condition	= ''
		extension	= structureDetail.extension
		major		= structureDetail.major
		if extension is not None:
			condition = ' checkExtension(properties, "' + extension + '")'
		if major is not None:
			condition = ' ' if condition == '' else condition + ' || '
			condition += 'context.contextSupports(vk::ApiVersion(' + str(structureDetail.api) + ', ' + str(major) + ', ' + str(structureDetail.minor) + ', 0))'
		if condition == '':
			condition = ' true'
		condition += ';'
		nameSpacing = '\t' * int((len(structureName) - 4) / 4)
		featureEnabledFlags.append('const bool' + nameSpacing + structureDetail.flagName + ' =' + condition)
		# clear memory of each structure
		clearStructures.append('\tdeMemset(&' + structureDetail.instanceName + '[ndx], 0xFF * ndx, sizeof(' + structureName + '));')
		# construct structure chain
		nextInstanceName = 'DE_NULL';
		if index < len(testedStructureDetail)-1:
			nextInstanceName = '&' + testedStructureDetail[index+1].instanceName + '[ndx]'
		structureChain.append([
			'\t\t' + structureDetail.instanceName + '[ndx].sType = ' + structureDetail.flagName + ' ? ' + structureDetail.sType + ' : VK_STRUCTURE_TYPE_MAX_ENUM;',
			'\t\t' + structureDetail.instanceName + '[ndx].pNext = DE_NULL;'])
		# construct log section
		logStructures.append([
			'\tif (' + structureDetail.flagName + ')',
			'\t\tlog << TestLog::Message << ' + structureDetail.instanceName + '[0] << TestLog::EndMessage;'
			])
		#construct verification section
		verifyStructure = []
		verifyStructure.append('\tif (' + structureDetail.flagName + ' &&')
		for index, m in enumerate(structureDetail.members):
			prefix = '\t\t(' if index == 0 else '\t\t '
			postfix = '))' if index == len(structureDetail.members)-1 else ' ||'
			verifyStructure.append(prefix + structureDetail.instanceName + '[0].' + m + ' != ' + structureDetail.instanceName + '[1].' + m + postfix)
		if len(structureDetail.members) == 0:
			verifyStructure.append('\t\tfalse)')
		verifyStructure.append('\t{\n\t\tTCU_FAIL("Mismatch between ' + structureName + '");\n\t}')
		verifyStructures.append(verifyStructure)

	# construct file content
	stream = []

	# individual test functions
	for n, x in enumerate(testedStructureDetail):
		stream.append("tcu::TestStatus testPhysicalDeviceFeature" + x.instanceName[len('device'):]+" (Context& context)")
		stream.append("""{
	const VkPhysicalDevice		physicalDevice	= context.getPhysicalDevice();
	const CustomInstance		instance		(createCustomInstanceWithExtension(context, "VK_KHR_get_physical_device_properties2"));
	const InstanceDriver&		vki				(instance.getDriver());
	const int					count			= 2u;
	TestLog&					log				= context.getTestContext().getLog();
	VkPhysicalDeviceFeatures2	extFeatures;
	vector<VkExtensionProperties> properties	= enumerateDeviceExtensionProperties(vki, physicalDevice, DE_NULL);
""")
		stream.append("\t"+structureDefinitions[n])
		stream.append("\t"+featureEnabledFlags[n])
		stream.append('')
		stream.append('\tfor (int ndx = 0; ndx < count; ++ndx)\n\t{')
		stream.append("\t" + clearStructures[n])
		stream.extend(structureChain[n])
		stream.append('')
		stream.append(
				'\t\tdeMemset(&extFeatures.features, 0xcd, sizeof(extFeatures.features));\n'
				'\t\textFeatures.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;\n'
				'\t\textFeatures.pNext = &' + testedStructureDetail[n].instanceName + '[ndx];\n\n'
				'\t\tvki.getPhysicalDeviceFeatures2(physicalDevice, &extFeatures);')
		stream.append('\t}\n')
		stream.extend(logStructures[n])
		stream.append('')
		stream.extend(verifyStructures[n])
		stream.append('\treturn tcu::TestStatus::pass("Querying succeeded");')
		stream.append("}\n")

	allApiVersions = [f.number for f in api.features]
	promotedTests = []
	if api.apiName == "vulkan":
		for feature in api.features:
			major = feature.number[0]
			minor = feature.number[-1]
			promotedFeatures = []
			if feature.name == 'VK_VERSION_1_0':
				continue
			for requirement in feature.requirementsList:
				for type in requirement.typeList:
					matchedStructType = re.search(f'VkPhysicalDevice(\w+)Features', type, re.IGNORECASE)
					matchedCoreStructType = re.search(f'VkPhysicalDeviceVulkan(\d+)Features', type, re.IGNORECASE)
					if matchedStructType and not matchedCoreStructType:
						promotedFeatures.append(type)
			if promotedFeatures:
				testName = "createDeviceWithPromoted" + feature.number.replace('.', '') + "Structures"
				promotedTests.append(testName)
				stream.append("tcu::TestStatus " + testName + " (Context& context)")
				stream.append("{")
				stream.append(
				'	if (!context.contextSupports(vk::ApiVersion(0, ' + major + ', ' + minor + ', 0)))\n'
				'		TCU_THROW(NotSupportedError, "Vulkan ' + major + '.' + minor + ' is not supported");')
				stream.append("""
	const PlatformInterface&		platformInterface	= context.getPlatformInterface();
	const CustomInstance			instance			(createCustomInstanceFromContext(context));
	const InstanceDriver&			instanceDriver		(instance.getDriver());
	const VkPhysicalDevice			physicalDevice		= chooseDevice(instanceDriver, instance, context.getTestContext().getCommandLine());
	const deUint32					queueFamilyIndex	= 0;
	const deUint32					queueCount			= 1;
	const deUint32					queueIndex			= 0;
	const float						queuePriority		= 1.0f;

	const vector<VkQueueFamilyProperties> queueFamilyProperties = getPhysicalDeviceQueueFamilyProperties(instanceDriver, physicalDevice);

	const VkDeviceQueueCreateInfo	deviceQueueCreateInfo =
	{
		VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
		DE_NULL,
		(VkDeviceQueueCreateFlags)0u,
		queueFamilyIndex,						//queueFamilyIndex;
		queueCount,								//queueCount;
		&queuePriority,							//pQueuePriorities;
	};
""")
				lastFeature = ''
				usedFeatures = []
				for feature in promotedFeatures:
					for struct in testedStructureDetail:
						if (struct.instanceName in usedFeatures):
							continue
						if feature in struct.nameList:
							if lastFeature:
								stream.append("\t" + feature + " " + struct.instanceName + " = initVulkanStructure(&" + lastFeature + ");")
							else:
								stream.append("\t" + feature + " " + struct.instanceName + " = initVulkanStructure();")
							lastFeature = struct.instanceName
							usedFeatures.append(struct.instanceName)
							break
				stream.append("\tVkPhysicalDeviceFeatures2 extFeatures = initVulkanStructure(&" + lastFeature + ");")
				stream.append("""
	instanceDriver.getPhysicalDeviceFeatures2 (physicalDevice, &extFeatures);

	const VkDeviceCreateInfo		deviceCreateInfo =
	{
		VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,	//sType;
		&extFeatures,							//pNext;
		(VkDeviceCreateFlags)0u,
		1,										//queueRecordCount;
		&deviceQueueCreateInfo,					//pRequestedQueues;
		0,										//layerCount;
		DE_NULL,								//ppEnabledLayerNames;
		0,										//extensionCount;
		DE_NULL,								//ppEnabledExtensionNames;
		DE_NULL,								//pEnabledFeatures;
	};

	const Unique<VkDevice>			device			(createCustomDevice(context.getTestContext().getCommandLine().isValidationEnabled(), platformInterface, instance, instanceDriver, physicalDevice, &deviceCreateInfo));
	const DeviceDriver				deviceDriver	(platformInterface, instance, device.get(), context.getUsedApiVersion());
	const VkQueue					queue			= getDeviceQueue(deviceDriver, *device, queueFamilyIndex, queueIndex);

	VK_CHECK(deviceDriver.queueWaitIdle(queue));

	return tcu::TestStatus::pass("Pass");
}
""")

	# function to create tests
	stream.append("void addSeparateFeatureTests (tcu::TestCaseGroup* testGroup)\n{")
	for x in testedStructureDetail:
		stream.append('\taddFunctionCase(testGroup, "' + camelToSnake(x.instanceName[len('device'):]) + '", testPhysicalDeviceFeature' + x.instanceName[len('device'):] + ');')
	for x in promotedTests:
		stream.append('\taddFunctionCase(testGroup, "' + camelToSnake(x) + '", ' + x + ');')
	stream.append('}\n')

	# write out
	writeInlFile(filename, INL_HEADER, stream)

def generateDeviceFeaturesOrPropertiesDefs(api, FeaturesOrProperties):
	assert(FeaturesOrProperties in ['Features', 'Properties'])
	defs								= []
	foundStructureEnums					= []
	structureEnumPattern				= f'VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_(\w+)_{FeaturesOrProperties.upper()}(\w+)'
	structureEnumPatternNotExtension	= structureEnumPattern[:-5] + '$'
	structureTypePattern				= f'VkPhysicalDevice(\w+){FeaturesOrProperties}(\w+)'
	structureTypePatternNotExtension	= structureTypePattern[:-5] + '$'
	structureTypeToSkipPattern			= f'VkPhysicalDeviceVulkan\d\d{FeaturesOrProperties}'
	structureExtendsPattern				= f'VkPhysicalDevice{FeaturesOrProperties}2'
	# iterate over all extensions to find extension that adds enum value matching pattern;
	# this will always be in first requirement section
	for ext in api.extensions:
		# skip extensions that were promoted to other extensions (not vk version)
		if ext.promotedto is not None and "VK_VERSION" not in ext.promotedto:
			continue
		allExtendedEnums = ext.requirementsList[0].extendedEnums
		for extendedEnum in allExtendedEnums:
			matchedStructEnum = re.search(structureEnumPattern, extendedEnum.name, re.IGNORECASE)
			if matchedStructEnum:
				# find feature/property structure type name
				structureTypeName = ""
				for stRequirement in ext.requirementsList[0].newTypes:
					stName = stRequirement.name
					matchedStructType = re.search(structureTypePattern, stName, re.IGNORECASE)
					if matchedStructType:
						structureTypeName = stName
						break
				# iterate over all composite types to check if structureTypeName is not alias
				# this handles case where extension was promoted and with it feature/property structure
				structureType = None
				for ct in api.compositeTypes:
					if structureTypeName == ct.name:
						structureType = ct
						break
					elif structureTypeName in ct.aliasList:
						structureType = ct
						structureTypeName = structureType.name
						break
				# use data in structextends to skip structures that should not be passed to vkGetPhysicalDeviceProperties(/Features)2 function
				if structureType is None or structureType.structextends is None or structureExtendsPattern not in structureType.structextends:
					continue
				# meke sure that structure was not added earlier - this handles special
				# cases like VkPhysicalDeviceIDPropertiesKHR added by 3 extensions
				if len([d for d in defs if d[3] == structureTypeName]) > 0:
					continue
				# there are cases like VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_CORE_PROPERTIES_2_AMD
				# where 2 is after PROPERTIES - to handle this we need to split suffix to two parts
				sSuffix		= matchedStructEnum.group(2)
				sVerSuffix	= ''
				sExtSuffix	= sSuffix
				suffixStart = sSuffix.rfind('_')
				if suffixStart > 0:
					sVerSuffix = sSuffix[:suffixStart]
					sExtSuffix = sSuffix[suffixStart:]
				foundStructureEnums.append(matchedStructEnum.group(1))
				defs.append( (matchedStructEnum.group(1), sVerSuffix, sExtSuffix, structureTypeName,\
							  ext.name, allExtendedEnums[1].name, allExtendedEnums[0].name) )
				# accept single feature/property structure per extension - this also handles cases
				# like VK_KHR_variable_pointers which specify feature structure and its alias
				break

	# iterate over all structures to find Feature/Property structures that were not added with extension
	# but with vulkan version; to do that we need to skip extension part from pattern
	for ct in api.compositeTypes:
		matchedStructType = re.search(structureTypePatternNotExtension, ct.name, re.IGNORECASE)
		if matchedStructType:
			if ct.members[0].name != "sType":
				continue
			if ct.structextends is None or structureExtendsPattern not in ct.structextends:
				continue
			matchedStructEnum = re.search(structureEnumPatternNotExtension, ct.members[0].values, re.IGNORECASE)
			if (matchedStructEnum.group(1) not in foundStructureEnums) and (re.match(structureTypeToSkipPattern, ct.name) == None):
				defs.append( (matchedStructEnum.group(1), '', '', ct.name, None, None, '0') )
	return defs

def writeDeviceFeatures(api, dfDefs, filename):
	# find VkPhysicalDeviceVulkan[1-9][0-9]Features blob structurs
	# and construct dictionary with all of their attributes
	blobMembers = {}
	blobStructs = {}
	blobPattern = re.compile("^VkPhysicalDeviceVulkan([1-9][0-9])Features[0-9]*$")
	for structureType in api.compositeTypes:
		match = blobPattern.match(structureType.name)
		if match:
			allMembers = [member.name for member in structureType.members]
			vkVersion = match.group(1)
			blobMembers[vkVersion] = allMembers[2:]
			blobStructs[vkVersion] = set()
	initFromBlobDefinitions = []
	emptyInitDefinitions = []
	# iterate over all feature structures
	allFeaturesPattern = re.compile("^VkPhysicalDevice\w+Features[1-9]*")
	nonExtFeaturesPattern = re.compile("^VkPhysicalDevice\w+Features[1-9]*$")
	for structureType in api.compositeTypes:
		# skip structures that are not feature structures
		if not allFeaturesPattern.match(structureType.name):
			continue
		# skip structures that were previously identified as blobs
		if blobPattern.match(structureType.name):
			continue
		# skip sType and pNext and just grab third and next attributes
		structureMembers = structureType.members[2:]
		notPartOfBlob = True
		if nonExtFeaturesPattern.match(structureType.name):
			# check if this member is part of any of the blobs
			for blobName, blobMemberList in blobMembers.items():
				# if just one member is not part of this blob go to the next blob
				# (we asume that all members are part of blob - no need to check all)
				if structureMembers[0].name not in blobMemberList:
					continue
				# add another feature structure name to this blob
				blobStructs[blobName].add(structureType)
				# add specialization for this feature structure
				memberCopying = ""
				for member in structureMembers:
					memberCopying += "\tfeatureType.{0} = allFeaturesBlobs.vk{1}.{0};\n".format(member.name, blobName)
				wholeFunction = \
					"template<> void initFeatureFromBlob<{0}>({0}& featureType, const AllFeaturesBlobs& allFeaturesBlobs)\n" \
					"{{\n" \
					"{1}" \
					"}}".format(structureType.name, memberCopying)
				initFromBlobDefinitions.append(wholeFunction)
				notPartOfBlob = False
				# assuming that all members are part of blob, goto next
				break
		# add empty template definition as on Fedora there are issue with
		# linking using just generic template - all specializations are needed
		if notPartOfBlob:
			emptyFunction = "template<> void initFeatureFromBlob<{0}>({0}&, const AllFeaturesBlobs&) {{}}"
			emptyInitDefinitions.append(emptyFunction.format(structureType.name))
	extensionDefines = []
	makeFeatureDescDefinitions = []
	featureStructWrappers = []
	for idx, (sType, sVerSuffix, sExtSuffix, extStruct, extName, extNameDef, specVersionDef) in enumerate(dfDefs):
		extensionNameDefinition = extNameDef
		if not extensionNameDefinition:
			extensionNameDefinition = 'DECL{0}_{1}_EXTENSION_NAME'.format((sExtSuffix if sExtSuffix else ''), sType)
			extensionDefines.append(f'#define {extensionNameDefinition} "core_feature"')
		# construct makeFeatureDesc template function definitions
		sTypeName = "VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_{0}_FEATURES{1}".format(sType, sVerSuffix + sExtSuffix)
		makeFeatureDescDefinitions.append("template<> FeatureDesc makeFeatureDesc<{0}>(void) " \
			"{{ return FeatureDesc{{{1}, {2}, {3}, {4}}}; }}".format(extStruct, sTypeName, extensionNameDefinition, specVersionDef, len(dfDefs)-idx))
		# construct CreateFeatureStruct wrapper block
		featureStructWrappers.append("\t{{ createFeatureStructWrapper<{0}>, {1}, {2} }},".format(extStruct, extensionNameDefinition, specVersionDef))
	# construct function that will check for which vk version structure sType is part of blob
	blobChecker = "deUint32 getBlobFeaturesVersion (VkStructureType sType)\n{\n" \
				  "\tconst std::map<VkStructureType, deUint32> sTypeBlobMap\n" \
				  "\t{\n"
	# iterate over blobs with list of structures
	for blobName in sorted(blobStructs.keys()):
		blobChecker += "\t\t// Vulkan{0}\n".format(blobName)
		# iterate over all feature structures in current blob
		structuresList = list(blobStructs[blobName])
		structuresList = sorted(structuresList, key=lambda s: s.name)
		for structType in structuresList:
			# find definition of this structure in dfDefs
			structDef = None
			allNamesToCheck = [structType.name]
			if len(structType.aliasList) > 0:
				allNamesToCheck.extend(structType.aliasList)
			for structName in allNamesToCheck:
				structDefList = [s for s in dfDefs if s[3] == structName]
				if len(structDefList) > 0:
					structDef = structDefList[0]
					break
			sType = structDef[0]
			sSuffix = structDef[1] + structDef[2]
			sTypeName = "VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_{0}_FEATURES{1}".format(sType, sSuffix)
			tabs = "\t" * int((88 - len(sTypeName)) / 4)
			blobChecker += "\t\t{{ {0},{1}VK_API_VERSION_{2}_{3} }},\n".format(sTypeName, tabs, blobName[0], blobName[1])
	blobChecker += "\t};\n\n" \
				   "\tauto it = sTypeBlobMap.find(sType);\n" \
				   "\tif(it == sTypeBlobMap.end())\n" \
				   "\t\treturn 0;\n" \
				   "\treturn it->second;\n" \
				   "}\n"
	# combine all definition lists
	stream = [
	'#include "vkDeviceFeatures.hpp"\n',
	'namespace vk\n{']
	stream.extend(extensionDefines)
	stream.append('\n')
	stream.extend(initFromBlobDefinitions)
	stream.append('\n// generic template is not enough for some compilers')
	stream.extend(emptyInitDefinitions)
	stream.append('\n')
	stream.extend(makeFeatureDescDefinitions)
	stream.append('\n')
	stream.append('static const FeatureStructCreationData featureStructCreationArray[]\n{')
	stream.extend(featureStructWrappers)
	stream.append('};\n')
	stream.append(blobChecker)
	stream.append('} // vk\n')
	writeInlFile(filename, INL_HEADER, stream)

def writeDeviceFeatureTest(api, filename):

	coreFeaturesPattern = re.compile("^VkPhysicalDeviceVulkan([1-9][0-9])Features[0-9]*$")
	featureItems = []
	testFunctions = []
	# iterate over all feature structures
	allFeaturesPattern = re.compile("^VkPhysicalDevice\w+Features[1-9]*")
	for structureType in api.compositeTypes:
		# skip structures that are not feature structures
		if not allFeaturesPattern.match(structureType.name):
			continue
		# skip sType and pNext and just grab third and next attributes
		structureMembers = structureType.members[2:]

		items = []
		for member in structureMembers:
			items.append("		FEATURE_ITEM ({0}, {1}),".format(structureType.name, member.name))

		testBlock = """
tcu::TestStatus createDeviceWithUnsupportedFeaturesTest{4} (Context& context)
{{
	const PlatformInterface&				vkp						= context.getPlatformInterface();
	tcu::TestLog&							log						= context.getTestContext().getLog();
	tcu::ResultCollector					resultCollector			(log);
	const CustomInstance					instance				(createCustomInstanceWithExtensions(context, context.getInstanceExtensions(), DE_NULL, true));
	const InstanceDriver&					instanceDriver			(instance.getDriver());
	const VkPhysicalDevice					physicalDevice			= chooseDevice(instanceDriver, instance, context.getTestContext().getCommandLine());
	const deUint32							queueFamilyIndex		= 0;
	const deUint32							queueCount				= 1;
	const float								queuePriority			= 1.0f;
	const DeviceFeatures					deviceFeaturesAll		(context.getInstanceInterface(), context.getUsedApiVersion(), physicalDevice, context.getInstanceExtensions(), context.getDeviceExtensions(), DE_TRUE);
	const VkPhysicalDeviceFeatures2			deviceFeatures2			= deviceFeaturesAll.getCoreFeatures2();
	int										numErrors				= 0;
	bool                                                                    isSubProcess                    = context.getTestContext().getCommandLine().isSubProcess();
{6}

	VkPhysicalDeviceFeatures emptyDeviceFeatures;
	deMemset(&emptyDeviceFeatures, 0, sizeof(emptyDeviceFeatures));

	// Only non-core extensions will be used when creating the device.
	const auto& extensionNames = context.getDeviceCreationExtensions();
	DE_UNREF(extensionNames); // In some cases this is not used.

	if (const void* featuresStruct = findStructureInChain(const_cast<const void*>(deviceFeatures2.pNext), getStructureType<{0}>()))
	{{
		static const Feature features[] =
		{{
{1}
		}};
		auto* supportedFeatures = reinterpret_cast<const {0}*>(featuresStruct);
		checkFeatures(vkp, instance, instanceDriver, physicalDevice, {2}, features, supportedFeatures, queueFamilyIndex, queueCount, queuePriority, numErrors, resultCollector, {3}, emptyDeviceFeatures, {5}, context.getUsedApiVersion());
	}}

	if (numErrors > 0)
		return tcu::TestStatus(resultCollector.getResult(), "Enabling unsupported features didn't return VK_ERROR_FEATURE_NOT_PRESENT.");
	else
		return tcu::TestStatus(resultCollector.getResult(), resultCollector.getMessage());
}}
"""
		additionalParams = ( 'memReservationStatMax, isSubProcess' if api.apiName == 'vulkansc' else 'isSubProcess' )
		additionalDefs = ( '	VkDeviceObjectReservationCreateInfo memReservationStatMax = context.getResourceInterface()->getStatMax();' if apiName == 'vulkansc' else '')
		featureItems.append(testBlock.format(structureType.name, "\n".join(items), len(items), ("DE_NULL" if coreFeaturesPattern.match(structureType.name) else "&extensionNames"), structureType.name[len('VkPhysicalDevice'):], additionalParams, additionalDefs))

		testFunctions.append("createDeviceWithUnsupportedFeaturesTest" + structureType.name[len('VkPhysicalDevice'):])

	stream = ['']
	stream.extend(featureItems)
	stream.append("""
void addSeparateUnsupportedFeatureTests (tcu::TestCaseGroup* testGroup)
{
""")
	for x in testFunctions:
		stream.append('\taddFunctionCase(testGroup, "' + camelToSnake(x[len('createDeviceWithUnsupportedFeaturesTest'):]) + '", ' + x + ');')
	stream.append('}\n')

	writeInlFile(filename, INL_HEADER, stream)

def writeDeviceProperties(api, dpDefs, filename):
	# find VkPhysicalDeviceVulkan[1-9][0-9]Features blob structurs
	# and construct dictionary with all of their attributes
	blobMembers = {}
	blobStructs = {}
	blobPattern = re.compile("^VkPhysicalDeviceVulkan([1-9][0-9])Properties[0-9]*$")
	for structureType in api.compositeTypes:
		match = blobPattern.match(structureType.name)
		if match:
			allMembers = [member.name for member in structureType.members]
			vkVersion = match.group(1)
			blobMembers[vkVersion] = allMembers[2:]
			blobStructs[vkVersion] = set()
	initFromBlobDefinitions = []
	emptyInitDefinitions = []
	# iterate over all property structures
	allPropertiesPattern = re.compile("^VkPhysicalDevice\w+Properties[1-9]*")
	nonExtPropertiesPattern = re.compile("^VkPhysicalDevice\w+Properties[1-9]*$")
	for structureType in api.compositeTypes:
		# skip structures that are not property structures
		if not allPropertiesPattern.match(structureType.name):
			continue
		# skip structures that were previously identified as blobs
		if blobPattern.match(structureType.name):
			continue
		# skip sType and pNext and just grab third and next attributes
		structureMembers = structureType.members[2:]
		notPartOfBlob = True
		if nonExtPropertiesPattern.match(structureType.name):
			# check if this member is part of any of the blobs
			for blobName, blobMemberList in blobMembers.items():
				# if just one member is not part of this blob go to the next blob
				# (we asume that all members are part of blob - no need to check all)
				if structureMembers[0].name not in blobMemberList:
					continue
				# add another property structure name to this blob
				blobStructs[blobName].add(structureType)
				# add specialization for this property structure
				memberCopying = ""
				for member in structureMembers:
					if len(member.arraySizeList) == 0:
						# handle special case
						if structureType.name == "VkPhysicalDeviceSubgroupProperties" and "subgroup" not in member.name :
							blobMemberName = "subgroup" + member.name[0].capitalize() + member.name[1:]
							memberCopying += "\tpropertyType.{0} = allPropertiesBlobs.vk{1}.{2};\n".format(member.name, blobName, blobMemberName)
						# end handling special case
						else:
							memberCopying += "\tpropertyType.{0} = allPropertiesBlobs.vk{1}.{0};\n".format(member.name, blobName)
					else:
						memberCopying += "\tmemcpy(propertyType.{0}, allPropertiesBlobs.vk{1}.{0}, sizeof({2}) * {3});\n".format(member.name, blobName, member.type, member.arraySizeList[0])
				wholeFunction = \
					"template<> void initPropertyFromBlob<{0}>({0}& propertyType, const AllPropertiesBlobs& allPropertiesBlobs)\n" \
					"{{\n" \
					"{1}" \
					"}}".format(structureType.name, memberCopying)
				initFromBlobDefinitions.append(wholeFunction)
				notPartOfBlob = False
				# assuming that all members are part of blob, goto next
				break
		# add empty template definition as on Fedora there are issue with
		# linking using just generic template - all specializations are needed
		if notPartOfBlob:
			emptyFunction = "template<> void initPropertyFromBlob<{0}>({0}&, const AllPropertiesBlobs&) {{}}"
			emptyInitDefinitions.append(emptyFunction.format(structureType.name))
	extensionDefines = []
	makePropertyDescDefinitions = []
	propertyStructWrappers = []
	for idx, (sType, sVerSuffix, sExtSuffix, extStruct, extName, extNameDef, specVersionDef) in enumerate(dpDefs):
		extensionNameDefinition = extNameDef
		if not extensionNameDefinition:
			extensionNameDefinition = 'DECL{0}_{1}_EXTENSION_NAME'.format((sExtSuffix if sExtSuffix else ''), sType)
			extensionDefines.append(f'#define {extensionNameDefinition} "core_property"')
		# construct makePropertyDesc template function definitions
		sTypeName = "VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_{0}_PROPERTIES{1}".format(sType, sVerSuffix + sExtSuffix)
		makePropertyDescDefinitions.append("template<> PropertyDesc makePropertyDesc<{0}>(void) " \
			"{{ return PropertyDesc{{{1}, {2}, {3}, {4}}}; }}".format(extStruct, sTypeName, extensionNameDefinition, specVersionDef, len(dpDefs)-idx))
		# construct CreateProperty struct wrapper block
		propertyStructWrappers.append("\t{{ createPropertyStructWrapper<{0}>, {1}, {2} }},".format(extStruct, extensionNameDefinition, specVersionDef))
	# construct method that will check if structure sType is part of blob
	blobChecker = "deUint32 getBlobPropertiesVersion (VkStructureType sType)\n{\n" \
				  "\tconst std::map<VkStructureType, deUint32> sTypeBlobMap\n" \
				  "\t{\n"
	# iterate over blobs with list of structures
	for blobName in sorted(blobStructs.keys()):
		blobChecker += "\t\t// Vulkan{0}\n".format(blobName)
		# iterate over all feature structures in current blob
		structuresList = list(blobStructs[blobName])
		structuresList = sorted(structuresList, key=lambda s: s.name)
		for structType in structuresList:
			# find definition of this structure in dpDefs
			structName = structType.name
			structDef = None
			foundDefs = [s for s in dpDefs if s[3] == structName]
			if len(foundDefs) > 0:
				structDef = foundDefs[0]
			else:
				for alias in structType.aliasList:
					foundDefs = [s for s in dpDefs if s[3] == alias]
					if len(foundDefs) > 0:
						structDef = foundDefs[0]
						break
			sType = structDef[0]
			sSuffix = structDef[1] + structDef[2]
			sTypeName = "VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_{0}_PROPERTIES{1}".format(sType, sSuffix)
			tabs = "\t" * int((80 - len(sTypeName)) / 4)
			blobChecker += "\t\t{{ {0},{1}VK_API_VERSION_{2}_{3} }},\n".format(sTypeName, tabs, blobName[0], blobName[1])
	blobChecker += "\t};\n\n" \
				   "\tauto it = sTypeBlobMap.find(sType);\n" \
				   "\tif(it == sTypeBlobMap.end())\n" \
				   "\t\treturn 0;\n" \
				   "\treturn it->second;\n" \
				   "}\n"
	# combine all definition lists
	stream = [
	'#include "vkDeviceProperties.hpp"\n',
	'namespace vk\n{']
	stream.extend(extensionDefines)
	stream.append('\n')
	stream.extend(initFromBlobDefinitions)
	stream.append('\n// generic template is not enough for some compilers')
	stream.extend(emptyInitDefinitions)
	stream.append('\n')
	stream.extend(makePropertyDescDefinitions)
	stream.append('\n')
	stream.append('static const PropertyStructCreationData propertyStructCreationArray[] =\n{')
	stream.extend(propertyStructWrappers)
	stream.append('};\n')
	stream.append(blobChecker)
	stream.append('} // vk\n')
	writeInlFile(filename, INL_HEADER, stream)

UNSUFFIXED_STRUCTURES = [
	"CornerSampledImage",
	"ShaderSMBuiltins",
	"ShadingRateImage",
	"RayTracing",
	"RepresentativeFragmentTest",
	"ComputeShaderDerivatives",
	"MeshShader",
	"ShaderImageFootprint",
	"ExclusiveScissor",
	"DedicatedAllocationImageAliasing",
	"CoverageReductionMode",
	"DeviceGeneratedCommands",
	"InheritedViewportScissor",
	"PresentBarrier",
	"DiagnosticsConfig",
	"FragmentShadingRateEnums",
	"RayTracingMotionBlur",
	"ExternalMemoryRDMA",
	"CopyMemoryIndirect",
	"MemoryDecompression",
	"LinearColorAttachment",
	"OpticalFlow",
	"RayTracingInvocationReorder",
	"DisplacementMicromap"]

def deviceFeaturesOrPropertiesGetter(name):
	result = name[16:] # Remove VkPhysicalDevice prefix
	if result[-3:] == "KHR":
		result = result[0:-3]
	elif result[-2:] == "NV":
		suffix = result[-2:]
		result = result[0:-2]
		if result[-8:] == "Features":
			infix = result[-8:]
			result = result[0:-8]
		elif result[-10:] == "Properties":
			infix = result[-10:]
			result = result[0:-10]
		if (result in UNSUFFIXED_STRUCTURES):
			suffix = ""
		result = result + infix + suffix
	return result

def genericDeviceFeaturesWriter(dfDefs, pattern, filename):
	stream = []
	for _, _, _, extStruct, _, _, _ in dfDefs:
		nameSubStr = deviceFeaturesOrPropertiesGetter(extStruct)
		stream.append(pattern.format(extStruct, nameSubStr))
	writeInlFile(filename, INL_HEADER, indentLines(stream))

def writeDeviceFeaturesDefaultDeviceDefs(dfDefs, filename):
	pattern = "const {0}&\tget{1}\t(void) const {{ return m_deviceFeatures.getFeatureType<{0}>();\t}}"
	genericDeviceFeaturesWriter(dfDefs, pattern, filename)

def writeDeviceFeaturesContextDecl(dfDefs, filename):
	pattern = "const vk::{0}&\tget{1}\t(void) const;"
	genericDeviceFeaturesWriter(dfDefs, pattern, filename)

def writeDeviceFeaturesContextDefs(dfDefs, filename):
	pattern = "const vk::{0}&\tContext::get{1}\t(void) const {{ return m_device->get{1}();\t}}"
	genericDeviceFeaturesWriter(dfDefs, pattern, filename)

def genericDevicePropertiesWriter(dfDefs, pattern, filename):
	stream = []
	for _, _, _, extStruct, _, _, _ in dfDefs:
		nameSubStr = deviceFeaturesOrPropertiesGetter(extStruct)
		stream.append(pattern.format(extStruct, nameSubStr))
	writeInlFile(filename, INL_HEADER, indentLines(stream))

def writeDevicePropertiesDefaultDeviceDefs(dfDefs, filename):
	pattern = "const {0}&\tget{1}\t(void) const {{ return m_deviceProperties.getPropertyType<{0}>();\t}}"
	genericDevicePropertiesWriter(dfDefs, pattern, filename)

def writeDevicePropertiesContextDecl(dfDefs, filename):
	pattern = "const vk::{0}&\tget{1}\t(void) const;"
	genericDevicePropertiesWriter(dfDefs, pattern, filename)

def writeDevicePropertiesContextDefs(dfDefs, filename):
	pattern = "const vk::{0}&\tContext::get{1}\t(void) const {{ return m_device->get{1}();\t}}"
	genericDevicePropertiesWriter(dfDefs, pattern, filename)

def writeMandatoryFeatures(api, filename):

	def structInAPI(name):
		for c in api.compositeTypes:
			if c.name == name:
				return True
			for alias in c.aliasList:
				if alias == name:
					return True
		return False
	stream = []

	dictStructs = {}
	dictData = []
	extData = []
	usedFeatureStructs = {}
	for _, data in api.additionalExtensionData:
		if 'mandatory_features' in data.keys():
			# sort to have same results for py2 and py3
			listStructFeatures = sorted(data['mandatory_features'].items(), key=lambda tup: tup[0])
			for structure, featuresList in listStructFeatures:
				for featureData in featuresList:
					# allow for featureless VKSC only extensions
					if not 'features' in featureData.keys() or 'requirements' not in featureData.keys():
						continue
					requirements = featureData['requirements']

					mandatory_variant = ''
					try:
						mandatory_variant = featureData['mandatory_variant']
					except KeyError:
						mandatory_variant = ''

					dictData.append( [ structure, featureData['features'], requirements, mandatory_variant] )

					if structure == 'VkPhysicalDeviceFeatures':
						continue

					# if structure is not in dict construct name of variable and add is as a first item
					if (structure not in dictStructs):
						dictStructs[structure] = ([structure[2:3].lower() + structure[3:]], mandatory_variant)
					# add first requirement if it is unique
					if requirements and (requirements[0] not in dictStructs[structure][0]):
						dictStructs[structure][0].append(requirements[0])

					usedFeatureStructs[structure] = []

					if requirements:
						for req in requirements:
							if '.' in req:
								req = req.split('.')[0]
								reqStruct = 'Vk' + req[0].upper() + req[1:]
								usedFeatureStructs[reqStruct] = []

		if 'mandatory_extensions' in data:
			mandatoryExtensions = []
			for mandatoryExt in data['mandatory_extensions']:
				if 'extension' in mandatoryExt:
					extName = mandatoryExt.pop('extension')
					mandatoryExtensions.append((extName, mandatoryExt))

			for extension, extensionData in mandatoryExtensions:
				# requirements are actually mandatory.
				if 'requirements' not in extensionData:
					continue

				requirements = extensionData['requirements']
				mandatory_variant = '' if 'mandatory_variant' not in extensionData else extensionData['mandatory_variant']
				extData.append((extension, requirements, mandatory_variant))

				for req in requirements:
					if '.' in req:
						req = req.split('.')[0]
						reqStruct = 'Vk' + req[0].upper() + req[1:]
						usedFeatureStructs[reqStruct] = []

	stream.extend(['bool canUseFeaturesStruct (const vector<VkExtensionProperties>& deviceExtensions, uint32_t usedApiVersion, const char* extension)',
				   '{',
				   '\treturn (isExtensionStructSupported(deviceExtensions, RequiredExtension(extension))',
				   '\t\t\t|| isCoreDeviceExtension(usedApiVersion, extension));',
				   '}',
				   '',
				   'bool checkMandatoryFeatures(const vkt::Context& context)\n{',
				   '\tif (!context.isInstanceFunctionalitySupported("VK_KHR_get_physical_device_properties2"))',
				   '\t\tTCU_THROW(NotSupportedError, "Extension VK_KHR_get_physical_device_properties2 is not present");',
				   '',
				   '\tVkPhysicalDevice\t\t\t\t\tphysicalDevice\t\t= context.getPhysicalDevice();',
				   '\tconst InstanceInterface&\t\t\tvki\t\t\t\t\t= context.getInstanceInterface();',
				   '\tconst vector<VkExtensionProperties>\tdeviceExtensions\t= enumerateDeviceExtensionProperties(vki, physicalDevice, DE_NULL);',
				   '\tconst uint32_t\t\t\t\t\t\tusedApiVersion\t\t= context.getUsedApiVersion();',
				   '',
				   '\ttcu::TestLog& log = context.getTestContext().getLog();',
				   '\tvk::VkPhysicalDeviceFeatures2 coreFeatures;',
				   '\tdeMemset(&coreFeatures, 0, sizeof(coreFeatures));',
				   '\tcoreFeatures.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;',
				   '\tvoid** nextPtr = &coreFeatures.pNext;',
				   ''])

	# Find the extensions that added the required feature structs.
	class StructFoundContinue(Exception):
		pass

	for usedStruct in usedFeatureStructs:
		for compType in api.compositeTypes:
			nameList = [compType.name] + compType.aliasList
			if usedStruct in nameList:
				# Found the official name list for the struct.
				for extension in api.extensions:
					try:
						for requirement in extension.requirementsList:
							for extensionStructure in requirement.newTypes:
								if extensionStructure.name in nameList:
									# Found extension for the struct.
									usedFeatureStructs[usedStruct].append(extension.name)
									raise StructFoundContinue
					except StructFoundContinue:
						pass

	structList = sorted(usedFeatureStructs.items(), key=lambda tup: tup[0]) # sort to have same results for py2 and py3
	apiStructs = list( filter(lambda x : structInAPI(x[0]), structList)) # remove items not defined in current API

	for structName, extensions in apiStructs:
		metaCondition = ''
		if structName in dictStructs:
			mandatoryVariantList = dictStructs[structName][1]
			if len(mandatoryVariantList) > 0:
				mandatoryVariant = mandatoryVariantList[0]
				metaCondition = 'defined(CTS_USES_' + mandatoryVariant.upper() + ')'
				stream.append('#if ' + metaCondition)

		# The variable name will be the structure name without the Vk prefix and starting in lowercase.
		newVar = structName[2].lower() + structName[3:]

		stream.extend(['\tvk::' + structName + ' ' + newVar + ';',
					'\tdeMemset(&' + newVar + ', 0, sizeof(' + newVar + '));',
					''])

		if len(extensions) > 0:
			canUseCond = '\tif ('
			for (i, extName) in enumerate(extensions):
				canUseCond += ' ' if i == 0 else ' || '
				canUseCond += 'canUseFeaturesStruct(deviceExtensions, usedApiVersion, "' + extName + '")'
			canUseCond += ' )'
			stream.append(canUseCond)
		elif api.apiName == "vulkan" and structName in dictStructs:
			#reqs = v[0][1:]
			reqs = dictStructs[structName][0][1:]
			cond = 'if ( '
			for i, req in enumerate(reqs):
				if i > 0:
					cond = cond + ' || '
				if (req.startswith("ApiVersion")):
					cond = cond + 'context.contextSupports(vk::' + req + ')'
			cond = cond + ' )'
			stream.append('\t' + cond)

		stream.extend(['\t{',
					   '\t\t' + newVar + '.sType = getStructureType<' + structName + '>();',
					   '\t\t*nextPtr = &' + newVar + ';',
					   '\t\tnextPtr  = &' + newVar + '.pNext;',
					   '\t}'])

		if len(metaCondition) > 0:
			stream.append('#endif // ' + metaCondition)

		stream.append('')

	stream.extend(['\tcontext.getInstanceInterface().getPhysicalDeviceFeatures2(context.getPhysicalDevice(), &coreFeatures);',
				   '\tbool result = true;',
				   ''])

	for v in dictData:
		if not structInAPI(v[0]): # remove items not defined in current API ( important for Vulkan SC )
			continue
		structType = v[0];
		structName = 'coreFeatures.features';
		metaCondition = ''
		if len(v) == 4 and v[3] != '':
			# for x in v[3].split('_'):
			metaCondition = metaCondition + ' || defined(CTS_USES_' + v[3][0].upper() + ')'
			stream.extend(['#if ' + metaCondition[4:]])
		if v[0] != 'VkPhysicalDeviceFeatures' :
			structName = dictStructs[v[0]][0][0]
		if len(v[2]) > 0 :
			condition = 'if ( '
			for i, req in enumerate(v[2]) :
				if (req.startswith("ApiVersion")):
					condition = condition + 'context.contextSupports(vk::' + req + ')'
				elif '.' in req:
					condition = condition + req
				else:
					condition = condition + 'isExtensionStructSupported(deviceExtensions, RequiredExtension("' + req + '"))'
				if i+1 < len(v[2]) :
					condition = condition + ' && '
			condition = condition + ' )'
			stream.append('\t' + condition)
		stream.append('\t{')
		# Don't need to support an AND case since that would just be another line in the .txt
		if len(v[1]) == 1:
			stream.append('\t\tif ( ' + structName + '.' + v[1][0] + ' == VK_FALSE )')
		else:
			condition = 'if ( '
			for i, feature in enumerate(v[1]):
				if i != 0:
					condition = condition + ' && '
				condition = condition + '( ' + structName + '.' + feature + ' == VK_FALSE )'
			condition = condition + ' )'
			stream.append('\t\t' + condition)
		featureSet = " or ".join(v[1])
		stream.extend(['\t\t{',
					   '\t\t\tlog << tcu::TestLog::Message << "Mandatory feature ' + featureSet + ' not supported" << tcu::TestLog::EndMessage;',
					   '\t\t\tresult = false;',
					   '\t\t}',
					   '\t}'])
		if metaCondition != '':
			stream.extend(['#endif // ' + metaCondition[4:],
						  ''])
		else:
			stream.extend([''])

	for extension, requirements, mandatory_variant in extData:
		metaCondition = ''
		if mandatory_variant != '':
			metaCondition = metaCondition + ' || defined(CTS_USES_' + mandatory_variant[0].upper() + ')'
			stream.extend(['#if ' + metaCondition[4:]])
		if len(requirements) > 0 :
			condition = 'if ( '
			for i, req in enumerate(requirements) :
				if (req.startswith("ApiVersion")):
					condition = condition + 'context.contextSupports(vk::' + req + ')'
				elif '.' in req:
					condition = condition + req
				else:
					condition = condition + 'isExtensionStructSupported(deviceExtensions, RequiredExtension("' + req + '"))'
				if i+1 < len(requirements) :
					condition = condition + ' && '
			condition = condition + ' )'
			stream.append('\t' + condition)
		stream.append('\t{')
		stream.extend(['\t\tif (!(isExtensionStructSupported(deviceExtensions, RequiredExtension("' + extension + '")) || isCoreDeviceExtension(usedApiVersion, "' + extension + '")))',
					   '\t\t{',
					   '\t\t\tlog << tcu::TestLog::Message << "Mandatory extension ' + extension + ' not supported" << tcu::TestLog::EndMessage;',
					   '\t\t\tresult = false;',
					   '\t\t}',
					   '\t}'])
		if metaCondition != '':
			stream.extend(['#endif // ' + metaCondition[4:],
						  ''])
		else:
			stream.append('')

	stream.append('\treturn result;')
	stream.append('}\n')

	writeInlFile(filename, INL_HEADER, stream)

def writeExtensionList(api, filename, extensionType):
	extensionList = []
	for extensionName, data in api.additionalExtensionData:
		# make sure extension name starts with VK_KHR
		if not extensionName.startswith('VK_KHR'):
			continue
		# make sure that this extension was registered
		if 'register_extension' not in data.keys():
			continue
		# make sure extension is intended for the vulkan variant
		is_sc_only = False

		if api.apiName != 'vulkansc':
			if 'mandatory_features' in data.keys():
				for structure, listStruct in data['mandatory_features'].items():
					for featureData in listStruct:
						mandatory_variant = ''
						try:
							mandatory_variant = featureData['mandatory_variant']
						except KeyError:
							mandatory_variant = ''
						# VKSC only
						if 'vulkansc' in mandatory_variant:
							is_sc_only = True
		if is_sc_only:
			continue

		# make sure extension has proper type
		if extensionType == data['register_extension']['type']:
			extensionList.append(extensionName)
	extensionList.sort()
	# write list of all found extensions
	stream = []
	stream.append('static const char* s_allowed{0}KhrExtensions[] =\n{{'.format(extensionType.title()))
	for n in extensionList:
		stream.append('\t"' + n + '",')
	stream.append('};\n')
	writeInlFile(filename, INL_HEADER, stream)

def writeApiExtensionDependencyInfo(api, filename):

	def genHelperFunctions():
		yield 'using namespace tcu;'
		yield 'using ExtPropVect = std::vector<vk::VkExtensionProperties>;'
		yield 'using IsSupportedFun = bool (*)(const tcu::UVec2&, const ExtPropVect&, const ExtPropVect&);'
		yield 'using DependencyCheckVect = std::vector<std::pair<const char*, IsSupportedFun> >;\n'
		yield 'bool isCompatibile(deUint32 major, deUint32 minor, const tcu::UVec2& testedApiVersion)'
		yield '{'
		yield '\t// return true when tested api version is greater'
		yield '\t// or equal to version represented by two uints'
		yield '\tif (major == testedApiVersion.x())'
		yield '\t\treturn minor <= testedApiVersion.y();'
		yield '\treturn major < testedApiVersion.x();'
		yield '}\n'
		yield 'bool isSupported(const ExtPropVect& extensions, const char* ext)'
		yield '{'
		yield '\treturn isExtensionStructSupported(extensions, vk::RequiredExtension(ext));'
		yield '}\n'

	def genExtDepArray(extType):
		extensionList = []
		maxExtLength = 0
		extVector = 'vIEP'
		othVector = 'vDEP'
		if extType == 'device':
			extVector, othVector = othVector, extVector		# swap
		# iterate over all extension that are of specified type and that have requirements
		for ext in api.extensions:
			if ext.type != extType:
				continue
			if ext.depends is None:
				continue
			# memorize extension name and dependencies for future vector generation
			extensionList.append(ext.name)
			# memorize max extension name and dependency length
			maxExtLength = max(maxExtLength, len(ext.name))
			# generate check function for this extension
			yield f'bool check_{ext.name}(const tcu::UVec2& v, const ExtPropVect& vIEP, const ExtPropVect& vDEP)'
			yield '{'
			# check if extension was promoted; for SC we need to check vulkan version as sc10 is based on vk12
			if ext.promotedto is not None and 'VK_VERSION' in ext.promotedto:
				p = ext.promotedto
				yield f'\tif (isCompatibile({p[-3]}, {p[-1]}, v))'
				yield '\t\treturn true;\n'
			else:
				yield '\tDE_UNREF(v);'
			# there is a high chance that other vector won't be used
			yield f'\tDE_UNREF({othVector});'
			# check if extension is supported
			yield f'\n\tif (!isSupported({extVector}, "{ext.name}"))'
			yield '\t\treturn true;\n'
			# replace dependent extensions/versions with proper conditions
			depList = re.split(r'(\W+)', ext.depends)
			for idx, depPart in enumerate(depList):
				if ',' in depPart:
					depList[idx] = depList[idx].replace(',', ' || ')
				elif '+' in depPart:
					depList[idx] = depList[idx].replace('+', ' && ')
				elif 'VK_' in depPart:
					if 'VK_VERSION' in depPart:
						if idx > 0 and ' || ' in depList[idx-1]:
							# some vk.xml entries include "promoted to" version preceded by logical OR operator in the extension "depends" attribute
							# script don't rely on this optional information and will find "promoted to" versions for all dependencies of all extensions in the below code
							# accordingly the one from vk.xml is ignored to avoid redundant isCompatibile() checks
							depList[idx-1] = depList[idx-1].replace(' || ', '')
							depList[idx] = ''
							continue
						# when dependency is vulkan version then replace it with proper condition
						depList[idx] = f'isCompatibile({depPart[-3]}, {depPart[-1]}, v)'
					else:
						# when dependency is extension check if it was promoted
						extNotFound = True
						for dExt in api.extensions:
							if depPart == dExt.name:
								depExtVector = 'vDEP' if dExt.type == 'device' else 'vIEP'
								isSupportedCheck = f'isSupported({depExtVector}, "{depPart}")'
								if dExt.promotedto is not None:
									p = dExt.promotedto
									# check if dependency was promoted to vulkan version or other extension
									if 'VK_VERSION' in p:
										depList[idx] = f'(isCompatibile({p[-3]}, {p[-1]}, v) || {isSupportedCheck})'
									else:
										depList[idx] = f'(isSupported({depExtVector}, "{p}") || {isSupportedCheck})'
								else:
									depList[idx] = isSupportedCheck
								extNotFound = False
								break
						# for SC when extension was not found try checking also not supported
						# extensions and see if this extension is part of core
						if extNotFound and api.apiName == "vulkansc":
							for dExt in api.notSupportedExtensions:
								if depPart == dExt.name:
									p = dExt.promotedto
									if p is None:
										break
									if int(p[-1]) > 2:
										break
									extNotFound = False
									depList[idx] = "true"
						if extNotFound:
							assert False, f"{depPart} from dependencies not found"
			yield f'\t// depends attribute in xml: {ext.depends}'
			finalConditon = ''.join(depList)
			yield f'\treturn {finalConditon};'
			yield '}\n'
		# save list of all device/instance extensions
		yield 'static const DependencyCheckVect {}ExtensionDependencies'.format(extType)
		yield '{'
		for ext in extensionList:
			extTabCount = (maxExtLength - len(ext)) / 4
			eTabs = '\t'*int(round(extTabCount+1.49))
			yield f'\tstd::make_pair("{ext}",{eTabs}&check_{ext}),'
		yield '};\n'

	def genApiVersions():
		yield 'static const std::tuple<deUint32, deUint32, deUint32, deUint32>\treleasedApiVersions[]\t='
		yield '{'
		for f in reversed(api.features):
			apiVariant = '0' if f.api == 'vulkan' else '1'
			major, minor = f.number.split('.')
			version = (int(apiVariant) << 29) | (int(major) << 22) | (int(minor) << 12)
			yield '\tstd::make_tuple({}, {}, {}, {}),'.format(version, apiVariant, major, minor)
		yield '};'

	def parseExtensionDependencies(extDeps, ext):
		major, minor = 1, 0
		requiredVerFound = False;
		# return in case nothing more left to be processed
		if extDeps is None or extDeps == "":
			return major, minor, requiredVerFound
		ungrpPartLen = 0
		versionPattern = "[A-Z]+_VERSION_([0-9]+)_([0-9]+)"
		ungroupedPattern = r"^.*?\(+|^.*?$"
		# look for non-grouped part, it may include the required vulkan version
		ungroupPart = re.search(ungroupedPattern, extDeps)
		if ungroupPart is not None and ungroupPart[0].replace(r"(", "") != "":
			ungrpPartLen = len(ungroupPart[0].replace(r"(", ""))
			# is specific version explicitly requested?
			match = re.search(versionPattern, ungroupPart[0])
			if match is not None:
				if len(match[0]) != len(extDeps):
					# there is more than just a version; check if it's accompanied by AND operator(s)
					ext_pattern = ".*\+*"+versionPattern+"\++.*|.*\++"+versionPattern+"\+*.*"
					match = re.search(ext_pattern, ungroupPart[0])
				if match is not None:
					# specific version is explicitly requested
					major, minor = int(match[1]), int(match[2])
					return major, minor, True
			# no explicit version is requested, continue parsing the remaining part
			extDeps = extDeps[ungrpPartLen:]
		groupedPattern = r"(.*)\+|(.*)$"
		match = re.search(groupedPattern, extDeps)
		if match is not None and match[0] != "":
			# groups may include the dependency "promoted to" versions accompanied by OR operator
			# but they don't include the extension explicit required version; continue parsing the remaining part
			groupLength = len(match[0])
			major, minor, requiredVerFound = parseExtensionDependencies(extDeps[groupLength:], ext)
		return major, minor, requiredVerFound

	def genRequiredCoreVersions():
		yield 'static const std::tuple<deUint32, deUint32, const char*>\textensionRequiredCoreVersion[]\t ='
		yield '{'
		versionPattern = "[A-Z]+_VERSION_([0-9]+)_([0-9]+)"
		for ext in api.extensions:
			# skip video extensions
			if 'vulkan_video_' in ext.name:
				continue
			major, minor = 1, 0
			if ext.depends is not None:
				major, minor, requiredVerFound = parseExtensionDependencies(ext.depends, ext)
				if not requiredVerFound:
					# find all extensions that are dependencies of this one
					matches = re.findall("VK_\w+", ext.depends, re.M)
					for m in matches:
						for de in api.extensions:
							if de.name == m:
								if de.depends is not None:
									# check if the dependency states explicitly the required vulkan version and pick the higher one
									newMajor, newMinor, requiredVerFound = parseExtensionDependencies(de.depends, de)
									if requiredVerFound:
										if newMajor > major:
											major, minor = newMajor, newMinor
										elif newMajor == major and newMinor > minor:
											minor = newMinor
								break
			yield '\tstd::make_tuple({}, {}, "{}"),'.format(major, minor, ext.name)
		yield '};'

	stream = []
	stream.extend(genHelperFunctions())
	stream.extend(genExtDepArray('instance'))
	stream.extend(genExtDepArray('device'))
	stream.extend(genApiVersions())
	stream.extend(genRequiredCoreVersions())

	writeInlFile(filename, INL_HEADER, stream)

def writeEntryPointValidation(api, filename):
	# keys are instance extension names and value is list of device-level functions
	instExtDeviceFunDict = {}
	# iterate over all extensions and find instance extensions
	for ext in api.extensions:
		if ext.type == "instance":
			# iterate over all functions instance extension adds
			for requirement in ext.requirementsList:
				for extCommand in requirement.newCommands:
					# to get a type of command we need to find this command definition in list of all functions
					for command in api.functions:
						if extCommand.name == command.name or extCommand.name in command.aliasList:
							# check if this is device-level entry-point
							if command.getType() == Function.TYPE_DEVICE:
								if ext.name not in instExtDeviceFunDict:
									instExtDeviceFunDict[ext.name] = []
								instExtDeviceFunDict[ext.name].append(extCommand.name)
	stream = ['std::map<std::string, std::vector<std::string> > instExtDeviceFun', '{']
	for extName in instExtDeviceFunDict:
		stream.append(f'\t{{ "{extName}",\n\t\t{{')
		for fun in instExtDeviceFunDict[extName]:
			stream.append(f'\t\t\t"{fun}",')
		stream.append('\t\t}\n\t},')
	stream.append('};')
	writeInlFile(filename, INL_HEADER, stream)

def writeGetDeviceProcAddr(api, filename):
	testBlockStart = '''tcu::TestStatus		testGetDeviceProcAddr		(Context& context)
{
	tcu::TestLog&								log						(context.getTestContext().getLog());
	const PlatformInterface&					platformInterface		= context.getPlatformInterface();
	const auto									validationEnabled		= context.getTestContext().getCommandLine().isValidationEnabled();
	const CustomInstance						instance				(createCustomInstanceFromContext(context));
	const InstanceDriver&						instanceDriver			= instance.getDriver();
	const VkPhysicalDevice						physicalDevice			= chooseDevice(instanceDriver, instance, context.getTestContext().getCommandLine());
	const deUint32								queueFamilyIndex		= 0;
	const deUint32								queueCount				= 1;
	const float									queuePriority			= 1.0f;
	const std::vector<VkQueueFamilyProperties>	queueFamilyProperties	= getPhysicalDeviceQueueFamilyProperties(instanceDriver, physicalDevice);

	const VkDeviceQueueCreateInfo			deviceQueueCreateInfo =
	{
		VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,	//  VkStructureType				sType;
		DE_NULL,									//  const void*					pNext;
		(VkDeviceQueueCreateFlags)0u,				//  VkDeviceQueueCreateFlags	flags;
		queueFamilyIndex,							//  deUint32					queueFamilyIndex;
		queueCount,									//  deUint32					queueCount;
		&queuePriority,								//  const float*				pQueuePriorities;
	};

	const VkDeviceCreateInfo				deviceCreateInfo =
	{
		VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,		//  VkStructureType					sType;
		DE_NULL,									//  const void*						pNext;
		(VkDeviceCreateFlags)0u,					//  VkDeviceCreateFlags				flags;
		1u,											//  deUint32						queueCreateInfoCount;
		&deviceQueueCreateInfo,						//  const VkDeviceQueueCreateInfo*	pQueueCreateInfos;
		0u,											//  deUint32						enabledLayerCount;
		DE_NULL,									//  const char* const*				ppEnabledLayerNames;
		0u,											//  deUint32						enabledExtensionCount;
		DE_NULL,									//  const char* const*				ppEnabledExtensionNames;
		DE_NULL,									//  const VkPhysicalDeviceFeatures*	pEnabledFeatures;
	};
	const Unique<VkDevice>					device			(createCustomDevice(validationEnabled, platformInterface, instance, instanceDriver, physicalDevice, &deviceCreateInfo));
	const DeviceDriver						deviceDriver	(platformInterface, instance, device.get(), context.getUsedApiVersion());

	const std::vector<std::string> loaderExceptions{
		"vkSetDebugUtilsObjectNameEXT",
		"vkSetDebugUtilsObjectTagEXT",
		"vkQueueBeginDebugUtilsLabelEXT",
		"vkQueueEndDebugUtilsLabelEXT",
		"vkQueueInsertDebugUtilsLabelEXT",
		"vkCmdBeginDebugUtilsLabelEXT",
		"vkCmdEndDebugUtilsLabelEXT",
		"vkCmdInsertDebugUtilsLabelEXT",
	};

	const std::vector<std::string> functions{'''
	testBlockEnd = '''	};

	bool fail = false;
	for (const auto& function : functions)
	{
		if (std::find(loaderExceptions.begin(), loaderExceptions.end(), function) != loaderExceptions.end())
		{
			continue;
		}
		if (deviceDriver.getDeviceProcAddr(device.get(), function.c_str()) != DE_NULL)
		{
			fail = true;
			log << tcu::TestLog::Message << "Function " << function << " is not NULL" << tcu::TestLog::EndMessage;
		}
	}
	if (fail)
		return tcu::TestStatus::fail("Fail");
	return tcu::TestStatus::pass("All functions are NULL");
}
'''

	def functions(functionType):
		for ext in api.extensions:
			for requirement in ext.requirementsList:
				for requiredCommand in requirement.newCommands:
					yield '\t\t"' + requiredCommand.name + '",'
	stream = []
	stream.append('#include "tcuCommandLine.hpp"')
	stream.append('#include "vktTestCase.hpp"')
	stream.append('#include "vkPlatform.hpp"')
	stream.append('#include "vkDeviceUtil.hpp"')
	stream.append('#include "vkQueryUtil.hpp"')
	stream.append('#include "vktCustomInstancesDevices.hpp"')
	stream.append('#include "vktTestCase.hpp"')
	stream.append('#include "vktTestCaseUtil.hpp"')
	stream.append('\nnamespace vkt\n{\n')
	stream.append('using namespace vk;\n')
	stream.append(testBlockStart)
	stream.extend(functions(api))
	stream.append(testBlockEnd)

	# function to create tests
	stream.append("void addGetDeviceProcAddrTests (tcu::TestCaseGroup* testGroup)\n{")
	stream.append('\taddFunctionCase(testGroup, "non_enabled", testGetDeviceProcAddr);')
	stream.append('}\n')
	stream.append('}\n')

	writeInlFile(filename, INL_HEADER, stream)

def writeConformanceVersions(filename):
	# get list of all vulkan/vulkansc tags from git
	listOfTags = os.popen("git ls-remote -t").read()
	vkMatches = re.findall("vulkan-cts-(\d).(\d).(\d).(\d)", listOfTags, re.M)
	scMatches = re.findall("vulkansc-cts-(\d).(\d).(\d).(\d)", listOfTags, re.M)
	if len(vkMatches) == 0 or len(scMatches) == 0:
		return
	# read all text files in doc folder and find withdrawn cts versions (branches)
	withdrawnVkBranches = set()
	withdrawnScBranches = set()
	today = datetime.date.today()
	for fileName in glob.glob(os.path.join(os.path.dirname(__file__), "..", "doc", "*.txt")):
		if "withdrawal" not in fileName:
			continue
		fileContent	= readFile(fileName)
		# get date when releases are withdrawn
		match = re.search(r"(20\d\d)-(\d\d)-(\d\d).+ withdrawn", fileContent, re.IGNORECASE)
		if match is not None:
			# check if announcement refers to date in the past
			if today > datetime.date(int(match[1]), int(match[2]), int(match[3])):
				# get names of withdrawn branches
				vkBranchMatches = re.findall("vulkan(\w\w)?-cts-(\d).(\d).(\d).(\d)", fileContent, re.M)
				for v in vkBranchMatches:
					selectedSet = withdrawnScBranches if v[0] == "sc" else withdrawnVkBranches
					selectedSet.add((v[1], v[2], v[3], v[4]))
	if len(withdrawnVkBranches) == 0:
		print(f"Warning: unable to read content of doc folder, skipping generation of {os.path.basename(filename)}")
		return
	# define helper function that will be used to add entries for both vk and sc
	def appendToStream(stream, versionsToAdd, maxWithdrawnVersion):
		addedVersions = set()
		for v in reversed(versionsToAdd):
			# add only unique versions; ignore duplicates (e.g. with "-rc1", "-rc2" postfix);
			# also add versions that are greater then maximal withdrawn version
			if v in addedVersions or v <= maxWithdrawnVersion:
				continue
			addedVersions.add(v)
			stream.append(f'\tmakeConformanceVersion({v[0]}, {v[1]}, {v[2]}, {v[3]}),')
	# save array with versions
	stream = ['static const VkConformanceVersion knownConformanceVersions[]',\
			  '{',\
			  '#ifndef CTS_USES_VULKANSC']
	appendToStream(stream, vkMatches, max(withdrawnVkBranches))
	stream.append('#else')
	appendToStream(stream, scMatches, tuple('0'*4) if len(withdrawnScBranches) == 0 else max(withdrawnScBranches))
	stream.append('#endif // CTS_USES_VULKANSC')
	stream.append('};')
	writeInlFile(filename, INL_HEADER, stream)

def parseCmdLineArgs():
	parser = argparse.ArgumentParser(description = "Generate Vulkan INL files",
									 formatter_class=argparse.ArgumentDefaultsHelpFormatter)
	parser.add_argument("-a",
						"--api",
						dest="api",
						default="",
						help="Choose between Vulkan and Vulkan SC")
	parser.add_argument("-o",
						"--outdir",
						dest="outdir",
						default="",
						help="Choose output directory")
	return parser.parse_args()

if __name__ == "__main__":
	args = parseCmdLineArgs()

	# if argument was specified it is interpreted as a path to which .inl files will be written
	outputPath = DEFAULT_OUTPUT_DIR[args.api] if args.outdir == '' else args.outdir

	vkTree = etree.parse(os.path.join(VULKAN_XML_DIR, "vk.xml"))
	apiName = "vulkansc" if args.api == 'SC' else "vulkan"
	stripNonmatchingAPIs(vkTree.getroot(), apiName, actuallyDelete = True)

	# Read vk.xml and generate vulkan headers from it
	api = API(apiName)
	api.build(vkTree)
	api.postProcess()

	# Read video.xml
	if args.api != 'SC':
		api.build( etree.parse(os.path.join(VULKAN_XML_DIR, "video.xml")) )

	platformFuncs	= [Function.TYPE_PLATFORM]
	instanceFuncs	= [Function.TYPE_INSTANCE]
	deviceFuncs		= [Function.TYPE_DEVICE]

	dfd										= generateDeviceFeaturesOrPropertiesDefs(api, 'Features')
	writeDeviceFeatures						(api, dfd, os.path.join(outputPath, "vkDeviceFeatures.inl"))
	writeDeviceFeaturesDefaultDeviceDefs	(dfd, os.path.join(outputPath, "vkDeviceFeaturesForDefaultDeviceDefs.inl"))
	writeDeviceFeaturesContextDecl			(dfd, os.path.join(outputPath, "vkDeviceFeaturesForContextDecl.inl"))
	writeDeviceFeaturesContextDefs			(dfd, os.path.join(outputPath, "vkDeviceFeaturesForContextDefs.inl"))
	writeDeviceFeatureTest					(api, os.path.join(outputPath, "vkDeviceFeatureTest.inl"))

	dpd										= generateDeviceFeaturesOrPropertiesDefs(api, 'Properties')
	writeDeviceProperties					(api, dpd, os.path.join(outputPath, "vkDeviceProperties.inl"))
	writeDevicePropertiesDefaultDeviceDefs	(dpd, os.path.join(outputPath, "vkDevicePropertiesForDefaultDeviceDefs.inl"))
	writeDevicePropertiesContextDecl		(dpd, os.path.join(outputPath, "vkDevicePropertiesForContextDecl.inl"))
	writeDevicePropertiesContextDefs		(dpd, os.path.join(outputPath, "vkDevicePropertiesForContextDefs.inl"))

	writeHandleType							(api, os.path.join(outputPath, "vkHandleType.inl"))
	writeBasicTypes							(api, os.path.join(outputPath, "vkBasicTypes.inl"))
	writeCompositeTypes						(api, os.path.join(outputPath, "vkStructTypes.inl"))
	writeInterfaceDecl						(api, os.path.join(outputPath, "vkVirtualPlatformInterface.inl"),		platformFuncs,	False)
	writeInterfaceDecl						(api, os.path.join(outputPath, "vkVirtualInstanceInterface.inl"),		instanceFuncs,	False)
	writeInterfaceDecl						(api, os.path.join(outputPath, "vkVirtualDeviceInterface.inl"),			deviceFuncs,	False)
	writeInterfaceDecl						(api, os.path.join(outputPath, "vkConcretePlatformInterface.inl"),		platformFuncs,	True)
	writeInterfaceDecl						(api, os.path.join(outputPath, "vkConcreteInstanceInterface.inl"),		instanceFuncs,	True)
	writeInterfaceDecl						(api, os.path.join(outputPath, "vkConcreteDeviceInterface.inl"),		deviceFuncs,	True)
	writeFunctionPtrTypes					(api, os.path.join(outputPath, "vkFunctionPointerTypes.inl"))
	writeFunctionPointers					(api, os.path.join(outputPath, "vkPlatformFunctionPointers.inl"),		platformFuncs)
	writeFunctionPointers					(api, os.path.join(outputPath, "vkInstanceFunctionPointers.inl"),		instanceFuncs)
	writeFunctionPointers					(api, os.path.join(outputPath, "vkDeviceFunctionPointers.inl"),			deviceFuncs)
	writeInitFunctionPointers				(api, os.path.join(outputPath, "vkInitPlatformFunctionPointers.inl"),	platformFuncs,	lambda f: f.name != "vkGetInstanceProcAddr")
	writeInitFunctionPointers				(api, os.path.join(outputPath, "vkInitInstanceFunctionPointers.inl"),	instanceFuncs)
	writeInitFunctionPointers				(api, os.path.join(outputPath, "vkInitDeviceFunctionPointers.inl"),		deviceFuncs)
	writeFuncPtrInterfaceImpl				(api, os.path.join(outputPath, "vkPlatformDriverImpl.inl"),				platformFuncs,	"PlatformDriver")
	writeFuncPtrInterfaceImpl				(api, os.path.join(outputPath, "vkInstanceDriverImpl.inl"),				instanceFuncs,	"InstanceDriver")
	writeFuncPtrInterfaceImpl				(api, os.path.join(outputPath, "vkDeviceDriverImpl.inl"),				deviceFuncs,	"DeviceDriver")
	if args.api=='SC':
		writeFuncPtrInterfaceSCImpl			(api, os.path.join(outputPath, "vkDeviceDriverSCImpl.inl"),				deviceFuncs,	"DeviceDriverSC")
	writeStrUtilProto						(api, os.path.join(outputPath, "vkStrUtil.inl"))
	writeStrUtilImpl						(api, os.path.join(outputPath, "vkStrUtilImpl.inl"))
	writeRefUtilProto						(api, os.path.join(outputPath, "vkRefUtil.inl"))
	writeRefUtilImpl						(api, os.path.join(outputPath, "vkRefUtilImpl.inl"))
	writeStructTraitsImpl					(api, os.path.join(outputPath, "vkGetStructureTypeImpl.inl"))
	writeNullDriverImpl						(api, os.path.join(outputPath, "vkNullDriverImpl.inl"))
	writeTypeUtil							(api, os.path.join(outputPath, "vkTypeUtil.inl"))
	writeSupportedExtensions				(api, os.path.join(outputPath, "vkSupportedExtensions.inl"))
	writeCoreFunctionalities				(api, os.path.join(outputPath, "vkCoreFunctionalities.inl"))
	writeExtensionFunctions					(api, os.path.join(outputPath, "vkExtensionFunctions.inl"))
	writeDeviceFeatures2					(api, os.path.join(outputPath, "vkDeviceFeatures2.inl"))
	writeMandatoryFeatures					(api, os.path.join(outputPath, "vkMandatoryFeatures.inl"))
	writeExtensionList						(api, os.path.join(outputPath, "vkInstanceExtensions.inl"),	'instance')
	writeExtensionList						(api, os.path.join(outputPath, "vkDeviceExtensions.inl"),	'device')
	writeDriverIds							(api, os.path.join(outputPath, "vkKnownDriverIds.inl"))
	writeObjTypeImpl						(api, os.path.join(outputPath, "vkObjTypeImpl.inl"))
	writeApiExtensionDependencyInfo			(api, os.path.join(outputPath, "vkApiExtensionDependencyInfo.inl"))
	writeEntryPointValidation				(api, os.path.join(outputPath, "vkEntryPointValidation.inl"))
	writeGetDeviceProcAddr					(api, os.path.join(outputPath, "vkGetDeviceProcAddr.inl"))
	writeConformanceVersions				(     os.path.join(outputPath, "vkKnownConformanceVersions.inl"))

	# NOTE: when new files are generated then they should also be added to the
	# vk-gl-cts\external\vulkancts\framework\vulkan\CMakeLists.txt outputs list