#!/usr/bin/python3 -i
#
# Copyright (c) 2015-2017 The Khronos Group Inc.
# Copyright (c) 2015-2017 Valve Corporation
# Copyright (c) 2015-2017 LunarG, Inc.
# Copyright (c) 2015-2017 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.
#
# Author: Mark Lobodzinski <mark@lunarg.com>
import os,re,sys,string
import xml.etree.ElementTree as etree
from generator import *
from collections import namedtuple
from vuid_mapping import *
# This is a workaround to use a Python 2.7 and 3.x compatible syntax.
from io import open
# ObjectTrackerGeneratorOptions - subclass of GeneratorOptions.
#
# Adds options used by ObjectTrackerOutputGenerator objects during
# object_tracker layer generation.
#
# Additional members
# prefixText - list of strings to prefix generated header with
# (usually a copyright statement + calling convention macros).
# protectFile - True if multiple inclusion protection should be
# generated (based on the filename) around the entire header.
# protectFeature - True if #ifndef..#endif protection should be
# generated around a feature interface in the header file.
# genFuncPointers - True if function pointer typedefs should be
# generated
# protectProto - If conditional protection should be generated
# around prototype declarations, set to either '#ifdef'
# to require opt-in (#ifdef protectProtoStr) or '#ifndef'
# to require opt-out (#ifndef protectProtoStr). Otherwise
# set to None.
# protectProtoStr - #ifdef/#ifndef symbol to use around prototype
# declarations, if protectProto is set
# apicall - string to use for the function declaration prefix,
# such as APICALL on Windows.
# apientry - string to use for the calling convention macro,
# in typedefs, such as APIENTRY.
# apientryp - string to use for the calling convention macro
# in function pointer typedefs, such as APIENTRYP.
# indentFuncProto - True if prototype declarations should put each
# parameter on a separate line
# indentFuncPointer - True if typedefed function pointers should put each
# parameter on a separate line
# alignFuncParam - if nonzero and parameters are being put on a
# separate line, align parameter names at the specified column
class ObjectTrackerGeneratorOptions(GeneratorOptions):
def __init__(self,
filename = None,
directory = '.',
apiname = None,
profile = None,
versions = '.*',
emitversions = '.*',
defaultExtensions = None,
addExtensions = None,
removeExtensions = None,
sortProcedure = regSortFeatures,
prefixText = "",
genFuncPointers = True,
protectFile = True,
protectFeature = True,
protectProto = None,
protectProtoStr = None,
apicall = '',
apientry = '',
apientryp = '',
indentFuncProto = True,
indentFuncPointer = False,
alignFuncParam = 0):
GeneratorOptions.__init__(self, filename, directory, apiname, profile,
versions, emitversions, defaultExtensions,
addExtensions, removeExtensions, sortProcedure)
self.prefixText = prefixText
self.genFuncPointers = genFuncPointers
self.protectFile = protectFile
self.protectFeature = protectFeature
self.protectProto = protectProto
self.protectProtoStr = protectProtoStr
self.apicall = apicall
self.apientry = apientry
self.apientryp = apientryp
self.indentFuncProto = indentFuncProto
self.indentFuncPointer = indentFuncPointer
self.alignFuncParam = alignFuncParam
# ObjectTrackerOutputGenerator - subclass of OutputGenerator.
# Generates object_tracker layer object validation code
#
# ---- methods ----
# ObjectTrackerOutputGenerator(errFile, warnFile, diagFile) - args as for OutputGenerator. Defines additional internal state.
# ---- methods overriding base class ----
# beginFile(genOpts)
# endFile()
# beginFeature(interface, emit)
# endFeature()
# genCmd(cmdinfo)
# genStruct()
# genType()
class ObjectTrackerOutputGenerator(OutputGenerator):
"""Generate ObjectTracker code based on XML element attributes"""
# This is an ordered list of sections in the header file.
ALL_SECTIONS = ['command']
def __init__(self,
errFile = sys.stderr,
warnFile = sys.stderr,
diagFile = sys.stdout):
OutputGenerator.__init__(self, errFile, warnFile, diagFile)
self.INDENT_SPACES = 4
self.intercepts = []
self.instance_extensions = []
self.device_extensions = []
# Commands which are not autogenerated but still intercepted
self.no_autogen_list = [
'vkDestroyInstance',
'vkDestroyDevice',
'vkUpdateDescriptorSets',
'vkDestroyDebugReportCallbackEXT',
'vkDebugReportMessageEXT',
'vkGetPhysicalDeviceQueueFamilyProperties',
'vkFreeCommandBuffers',
'vkDestroySwapchainKHR',
'vkDestroyDescriptorPool',
'vkDestroyCommandPool',
'vkGetPhysicalDeviceQueueFamilyProperties2KHR',
'vkResetDescriptorPool',
'vkBeginCommandBuffer',
'vkCreateDebugReportCallbackEXT',
'vkEnumerateInstanceLayerProperties',
'vkEnumerateDeviceLayerProperties',
'vkEnumerateInstanceExtensionProperties',
'vkEnumerateDeviceExtensionProperties',
'vkCreateDevice',
'vkCreateInstance',
'vkEnumeratePhysicalDevices',
'vkAllocateCommandBuffers',
'vkAllocateDescriptorSets',
'vkFreeDescriptorSets',
'vkCmdPushDescriptorSetKHR',
'vkDebugMarkerSetObjectNameEXT',
'vkGetPhysicalDeviceProcAddr',
'vkGetDeviceProcAddr',
'vkGetInstanceProcAddr',
'vkEnumerateInstanceExtensionProperties',
'vkEnumerateInstanceLayerProperties',
'vkEnumerateDeviceLayerProperties',
'vkGetDeviceProcAddr',
'vkGetInstanceProcAddr',
'vkEnumerateDeviceExtensionProperties',
'vk_layerGetPhysicalDeviceProcAddr',
'vkNegotiateLoaderLayerInterfaceVersion',
'vkCreateComputePipelines',
'vkGetDeviceQueue',
'vkGetSwapchainImagesKHR',
'vkCreateDescriptorSetLayout',
]
# These VUIDS are not implicit, but are best handled in this layer. Codegen for vkDestroy calls will generate a key
# which is translated here into a good VU. Saves ~40 checks.
self.manual_vuids = dict()
self.manual_vuids = {
"fence-compatalloc": "VALIDATION_ERROR_24e008c2",
"fence-nullalloc": "VALIDATION_ERROR_24e008c4",
"event-compatalloc": "VALIDATION_ERROR_24c008f4",
"event-nullalloc": "VALIDATION_ERROR_24c008f6",
"buffer-compatalloc": "VALIDATION_ERROR_23c00736",
"buffer-nullalloc": "VALIDATION_ERROR_23c00738",
"image-compatalloc": "VALIDATION_ERROR_252007d2",
"image-nullalloc": "VALIDATION_ERROR_252007d4",
"shaderModule-compatalloc": "VALIDATION_ERROR_26a00888",
"shaderModule-nullalloc": "VALIDATION_ERROR_26a0088a",
"pipeline-compatalloc": "VALIDATION_ERROR_25c005fc",
"pipeline-nullalloc": "VALIDATION_ERROR_25c005fe",
"sampler-compatalloc": "VALIDATION_ERROR_26600876",
"sampler-nullalloc": "VALIDATION_ERROR_26600878",
"renderPass-compatalloc": "VALIDATION_ERROR_264006d4",
"renderPass-nullalloc": "VALIDATION_ERROR_264006d6",
"descriptorUpdateTemplate-compatalloc": "VALIDATION_ERROR_248002c8",
"descriptorUpdateTemplate-nullalloc": "VALIDATION_ERROR_248002ca",
"imageView-compatalloc": "VALIDATION_ERROR_25400806",
"imageView-nullalloc": "VALIDATION_ERROR_25400808",
"pipelineCache-compatalloc": "VALIDATION_ERROR_25e00606",
"pipelineCache-nullalloc": "VALIDATION_ERROR_25e00608",
"pipelineLayout-compatalloc": "VALIDATION_ERROR_26000256",
"pipelineLayout-nullalloc": "VALIDATION_ERROR_26000258",
"descriptorSetLayout-compatalloc": "VALIDATION_ERROR_24600238",
"descriptorSetLayout-nullalloc": "VALIDATION_ERROR_2460023a",
"semaphore-compatalloc": "VALIDATION_ERROR_268008e4",
"semaphore-nullalloc": "VALIDATION_ERROR_268008e6",
"queryPool-compatalloc": "VALIDATION_ERROR_26200634",
"queryPool-nullalloc": "VALIDATION_ERROR_26200636",
"bufferView-compatalloc": "VALIDATION_ERROR_23e00752",
"bufferView-nullalloc": "VALIDATION_ERROR_23e00754",
"surface-compatalloc": "VALIDATION_ERROR_26c009e6",
"surface-nullalloc": "VALIDATION_ERROR_26c009e8",
"framebuffer-compatalloc": "VALIDATION_ERROR_250006fa",
"framebuffer-nullalloc": "VALIDATION_ERROR_250006fc",
}
# Commands shadowed by interface functions and are not implemented
self.interface_functions = [
]
self.headerVersion = None
# Internal state - accumulators for different inner block text
self.sections = dict([(section, []) for section in self.ALL_SECTIONS])
self.cmdMembers = []
self.cmd_feature_protect = [] # Save ifdef's for each command
self.cmd_info_data = [] # Save the cmdinfo data for validating the handles when processing is complete
self.structMembers = [] # List of StructMemberData records for all Vulkan structs
self.extension_structs = [] # List of all structs or sister-structs containing handles
# A sister-struct may contain no handles but shares <validextensionstructs> with one that does
self.structTypes = dict() # Map of Vulkan struct typename to required VkStructureType
self.struct_member_dict = dict()
# Named tuples to store struct and command data
self.StructType = namedtuple('StructType', ['name', 'value'])
self.CmdMemberData = namedtuple('CmdMemberData', ['name', 'members'])
self.CmdInfoData = namedtuple('CmdInfoData', ['name', 'cmdinfo'])
self.CmdExtraProtect = namedtuple('CmdExtraProtect', ['name', 'extra_protect'])
self.CommandParam = namedtuple('CommandParam', ['type', 'name', 'ispointer', 'isconst', 'isoptional', 'iscount', 'len', 'extstructs', 'cdecl', 'islocal', 'iscreate', 'isdestroy', 'feature_protect'])
self.StructMemberData = namedtuple('StructMemberData', ['name', 'members'])
self.object_types = [] # List of all handle types
self.valid_vuids = set() # Set of all valid VUIDs
self.vuid_file = None
# Cover cases where file is built from scripts directory, Lin/Win, or Android build structure
# Set cwd to the script directory to more easily locate the header.
previous_dir = os.getcwd()
os.chdir(os.path.dirname(sys.argv[0]))
vuid_filename_locations = [
'./vk_validation_error_messages.h',
'../layers/vk_validation_error_messages.h',
'../../layers/vk_validation_error_messages.h',
'../../../layers/vk_validation_error_messages.h',
]
for vuid_filename in vuid_filename_locations:
if os.path.isfile(vuid_filename):
self.vuid_file = open(vuid_filename, "r", encoding="utf8")
break
if self.vuid_file == None:
print("Error: Could not find vk_validation_error_messages.h")
sys.exit(1)
os.chdir(previous_dir)
#
# Check if the parameter passed in is optional
def paramIsOptional(self, param):
# See if the handle is optional
isoptional = False
# Simple, if it's optional, return true
optString = param.attrib.get('optional')
if optString:
if optString == 'true':
isoptional = True
elif ',' in optString:
opts = []
for opt in optString.split(','):
val = opt.strip()
if val == 'true':
opts.append(True)
elif val == 'false':
opts.append(False)
else:
print('Unrecognized len attribute value',val)
isoptional = opts
return isoptional
#
# Convert decimal number to 8 digit hexadecimal lower-case representation
def IdToHex(self, dec_num):
if dec_num > 4294967295:
print ("ERROR: Decimal # %d can't be represented in 8 hex digits" % (dec_num))
sys.exit()
hex_num = hex(dec_num)
return hex_num[2:].zfill(8)
#
# Get VUID identifier from implicit VUID tag
def GetVuid(self, vuid_string):
if '->' in vuid_string:
return "VALIDATION_ERROR_UNDEFINED"
vuid_num = self.IdToHex(convertVUID(vuid_string))
if vuid_num in self.valid_vuids:
vuid = "VALIDATION_ERROR_%s" % vuid_num
else:
vuid = "VALIDATION_ERROR_UNDEFINED"
return vuid
#
# Increases indent by 4 spaces and tracks it globally
def incIndent(self, indent):
inc = ' ' * self.INDENT_SPACES
if indent:
return indent + inc
return inc
#
# Decreases indent by 4 spaces and tracks it globally
def decIndent(self, indent):
if indent and (len(indent) > self.INDENT_SPACES):
return indent[:-self.INDENT_SPACES]
return ''
#
# Override makeProtoName to drop the "vk" prefix
def makeProtoName(self, name, tail):
return self.genOpts.apientry + name[2:] + tail
#
# Check if the parameter passed in is a pointer to an array
def paramIsArray(self, param):
return param.attrib.get('len') is not None
#
# Generate the object tracker undestroyed object validation function
def GenReportFunc(self):
output_func = ''
output_func += 'void ReportUndestroyedObjects(VkDevice device, enum UNIQUE_VALIDATION_ERROR_CODE error_code) {\n'
output_func += ' DeviceReportUndestroyedObjects(device, kVulkanObjectTypeCommandBuffer, error_code);\n'
for handle in self.object_types:
if self.isHandleTypeNonDispatchable(handle):
output_func += ' DeviceReportUndestroyedObjects(device, %s, error_code);\n' % (self.GetVulkanObjType(handle))
output_func += '}\n'
return output_func
#
# Called at beginning of processing as file is opened
def beginFile(self, genOpts):
OutputGenerator.beginFile(self, genOpts)
# Open vk_validation_error_messages.h file to verify computed VUIDs
for line in self.vuid_file:
# Grab hex number from enum definition
vuid_list = line.split('0x')
# If this is a valid enumeration line, remove trailing comma and CR
if len(vuid_list) == 2:
vuid_num = vuid_list[1][:-2]
# Make sure this is a good hex number before adding to set
if len(vuid_num) == 8 and all(c in string.hexdigits for c in vuid_num):
self.valid_vuids.add(vuid_num)
# File Comment
file_comment = '// *** THIS FILE IS GENERATED - DO NOT EDIT ***\n'
file_comment += '// See object_tracker_generator.py for modifications\n'
write(file_comment, file=self.outFile)
# Copyright Statement
copyright = ''
copyright += '\n'
copyright += '/***************************************************************************\n'
copyright += ' *\n'
copyright += ' * Copyright (c) 2015-2017 The Khronos Group Inc.\n'
copyright += ' * Copyright (c) 2015-2017 Valve Corporation\n'
copyright += ' * Copyright (c) 2015-2017 LunarG, Inc.\n'
copyright += ' * Copyright (c) 2015-2017 Google Inc.\n'
copyright += ' *\n'
copyright += ' * Licensed under the Apache License, Version 2.0 (the "License");\n'
copyright += ' * you may not use this file except in compliance with the License.\n'
copyright += ' * You may obtain a copy of the License at\n'
copyright += ' *\n'
copyright += ' * http://www.apache.org/licenses/LICENSE-2.0\n'
copyright += ' *\n'
copyright += ' * Unless required by applicable law or agreed to in writing, software\n'
copyright += ' * distributed under the License is distributed on an "AS IS" BASIS,\n'
copyright += ' * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n'
copyright += ' * See the License for the specific language governing permissions and\n'
copyright += ' * limitations under the License.\n'
copyright += ' *\n'
copyright += ' * Author: Mark Lobodzinski <mark@lunarg.com>\n'
copyright += ' *\n'
copyright += ' ****************************************************************************/\n'
write(copyright, file=self.outFile)
# Namespace
self.newline()
write('#include "object_tracker.h"', file = self.outFile)
self.newline()
write('namespace object_tracker {', file = self.outFile)
#
# Now that the data is all collected and complete, generate and output the object validation routines
def endFile(self):
self.struct_member_dict = dict(self.structMembers)
# Generate the list of APIs that might need to handle wrapped extension structs
# self.GenerateCommandWrapExtensionList()
self.WrapCommands()
# Build undestroyed objects reporting function
report_func = self.GenReportFunc()
self.newline()
write('// ObjectTracker undestroyed objects validation function', file=self.outFile)
write('%s' % report_func, file=self.outFile)
# Actually write the interface to the output file.
if (self.emit):
self.newline()
if (self.featureExtraProtect != None):
write('#ifdef', self.featureExtraProtect, file=self.outFile)
# Write the object_tracker code to the file
if (self.sections['command']):
if (self.genOpts.protectProto):
write(self.genOpts.protectProto,
self.genOpts.protectProtoStr, file=self.outFile)
write('\n'.join(self.sections['command']), end=u'', file=self.outFile)
if (self.featureExtraProtect != None):
write('\n#endif //', self.featureExtraProtect, file=self.outFile)
else:
self.newline()
# Record intercepted procedures
write('// Map of all APIs to be intercepted by this layer', file=self.outFile)
write('const std::unordered_map<std::string, void*> name_to_funcptr_map = {', file=self.outFile)
write('\n'.join(self.intercepts), file=self.outFile)
write('};\n', file=self.outFile)
self.newline()
write('} // namespace object_tracker', file=self.outFile)
# Finish processing in superclass
OutputGenerator.endFile(self)
#
# Processing point at beginning of each extension definition
def beginFeature(self, interface, emit):
# Start processing in superclass
OutputGenerator.beginFeature(self, interface, emit)
self.headerVersion = None
if self.featureName != 'VK_VERSION_1_0':
white_list_entry = []
if (self.featureExtraProtect != None):
white_list_entry += [ '#ifdef %s' % self.featureExtraProtect ]
white_list_entry += [ '"%s"' % self.featureName ]
if (self.featureExtraProtect != None):
white_list_entry += [ '#endif' ]
featureType = interface.get('type')
if featureType == 'instance':
self.instance_extensions += white_list_entry
elif featureType == 'device':
self.device_extensions += white_list_entry
#
# Processing point at end of each extension definition
def endFeature(self):
# Finish processing in superclass
OutputGenerator.endFeature(self)
#
# Process enums, structs, etc.
def genType(self, typeinfo, name):
OutputGenerator.genType(self, typeinfo, name)
typeElem = typeinfo.elem
# If the type is a struct type, traverse the imbedded <member> tags generating a structure.
# Otherwise, emit the tag text.
category = typeElem.get('category')
if (category == 'struct' or category == 'union'):
self.genStruct(typeinfo, name)
if category == 'handle':
self.object_types.append(name)
#
# Append a definition to the specified section
def appendSection(self, section, text):
# self.sections[section].append('SECTION: ' + section + '\n')
self.sections[section].append(text)
#
# Check if the parameter passed in is a pointer
def paramIsPointer(self, param):
ispointer = False
for elem in param:
if ((elem.tag is not 'type') and (elem.tail is not None)) and '*' in elem.tail:
ispointer = True
return ispointer
#
# Get the category of a type
def getTypeCategory(self, typename):
types = self.registry.tree.findall("types/type")
for elem in types:
if (elem.find("name") is not None and elem.find('name').text == typename) or elem.attrib.get('name') == typename:
return elem.attrib.get('category')
#
# Check if a parent object is dispatchable or not
def isHandleTypeObject(self, handletype):
handle = self.registry.tree.find("types/type/[name='" + handletype + "'][@category='handle']")
if handle is not None:
return True
else:
return False
#
# Check if a parent object is dispatchable or not
def isHandleTypeNonDispatchable(self, handletype):
handle = self.registry.tree.find("types/type/[name='" + handletype + "'][@category='handle']")
if handle is not None and handle.find('type').text == 'VK_DEFINE_NON_DISPATCHABLE_HANDLE':
return True
else:
return False
#
# Retrieve the type and name for a parameter
def getTypeNameTuple(self, param):
type = ''
name = ''
for elem in param:
if elem.tag == 'type':
type = noneStr(elem.text)
elif elem.tag == 'name':
name = noneStr(elem.text)
return (type, name)
#
# Retrieve the value of the len tag
def getLen(self, param):
result = None
len = param.attrib.get('len')
if len and len != 'null-terminated':
# For string arrays, 'len' can look like 'count,null-terminated', indicating that we
# have a null terminated array of strings. We strip the null-terminated from the
# 'len' field and only return the parameter specifying the string count
if 'null-terminated' in len:
result = len.split(',')[0]
else:
result = len
# Spec has now notation for len attributes, using :: instead of platform specific pointer symbol
result = str(result).replace('::', '->')
return result
#
# Generate a VkStructureType based on a structure typename
def genVkStructureType(self, typename):
# Add underscore between lowercase then uppercase
value = re.sub('([a-z0-9])([A-Z])', r'\1_\2', typename)
# Change to uppercase
value = value.upper()
# Add STRUCTURE_TYPE_
return re.sub('VK_', 'VK_STRUCTURE_TYPE_', value)
#
# Struct parameter check generation.
# This is a special case of the <type> tag where the contents are interpreted as a set of
# <member> tags instead of freeform C type declarations. The <member> tags are just like
# <param> tags - they are a declaration of a struct or union member. Only simple member
# declarations are supported (no nested structs etc.)
def genStruct(self, typeinfo, typeName):
OutputGenerator.genStruct(self, typeinfo, typeName)
members = typeinfo.elem.findall('.//member')
# Iterate over members once to get length parameters for arrays
lens = set()
for member in members:
len = self.getLen(member)
if len:
lens.add(len)
# Generate member info
membersInfo = []
for member in members:
# Get the member's type and name
info = self.getTypeNameTuple(member)
type = info[0]
name = info[1]
cdecl = self.makeCParamDecl(member, 0)
# Process VkStructureType
if type == 'VkStructureType':
# Extract the required struct type value from the comments
# embedded in the original text defining the 'typeinfo' element
rawXml = etree.tostring(typeinfo.elem).decode('ascii')
result = re.search(r'VK_STRUCTURE_TYPE_\w+', rawXml)
if result:
value = result.group(0)
else:
value = self.genVkStructureType(typeName)
# Store the required type value
self.structTypes[typeName] = self.StructType(name=name, value=value)
# Store pointer/array/string info
extstructs = member.attrib.get('validextensionstructs') if name == 'pNext' else None
membersInfo.append(self.CommandParam(type=type,
name=name,
ispointer=self.paramIsPointer(member),
isconst=True if 'const' in cdecl else False,
isoptional=self.paramIsOptional(member),
iscount=True if name in lens else False,
len=self.getLen(member),
extstructs=extstructs,
cdecl=cdecl,
islocal=False,
iscreate=False,
isdestroy=False,
feature_protect=self.featureExtraProtect))
self.structMembers.append(self.StructMemberData(name=typeName, members=membersInfo))
#
# Insert a lock_guard line
def lock_guard(self, indent):
return '%sstd::lock_guard<std::mutex> lock(global_lock);\n' % indent
#
# Determine if a struct has an object as a member or an embedded member
def struct_contains_object(self, struct_item):
struct_member_dict = dict(self.structMembers)
struct_members = struct_member_dict[struct_item]
for member in struct_members:
if self.isHandleTypeObject(member.type):
return True
elif member.type in struct_member_dict:
if self.struct_contains_object(member.type) == True:
return True
return False
#
# Return list of struct members which contain, or whose sub-structures contain an obj in a given list of parameters or members
def getParmeterStructsWithObjects(self, item_list):
struct_list = set()
for item in item_list:
paramtype = item.find('type')
typecategory = self.getTypeCategory(paramtype.text)
if typecategory == 'struct':
if self.struct_contains_object(paramtype.text) == True:
struct_list.add(item)
return struct_list
#
# Return list of objects from a given list of parameters or members
def getObjectsInParameterList(self, item_list, create_func):
object_list = set()
if create_func == True:
member_list = item_list[0:-1]
else:
member_list = item_list
for item in member_list:
if self.isHandleTypeObject(paramtype.text):
object_list.add(item)
return object_list
#
# Construct list of extension structs containing handles, or extension structs that share a <validextensionstructs>
# tag WITH an extension struct containing handles.
def GenerateCommandWrapExtensionList(self):
for struct in self.structMembers:
if (len(struct.members) > 1) and struct.members[1].extstructs is not None:
found = False;
for item in struct.members[1].extstructs.split(','):
if item != '' and self.struct_contains_object(item) == True:
found = True
if found == True:
for item in struct.members[1].extstructs.split(','):
if item != '' and item not in self.extension_structs:
self.extension_structs.append(item)
#
# Returns True if a struct may have a pNext chain containing an object
def StructWithExtensions(self, struct_type):
if struct_type in self.struct_member_dict:
param_info = self.struct_member_dict[struct_type]
if (len(param_info) > 1) and param_info[1].extstructs is not None:
for item in param_info[1].extstructs.split(','):
if item in self.extension_structs:
return True
return False
#
# Generate VulkanObjectType from object type
def GetVulkanObjType(self, type):
return 'kVulkanObjectType%s' % type[2:]
#
# Return correct dispatch table type -- instance or device
def GetDispType(self, type):
return 'instance' if type in ['VkInstance', 'VkPhysicalDevice'] else 'device'
#
# Generate source for creating a Vulkan object
def generate_create_object_code(self, indent, proto, params, cmd_info):
create_obj_code = ''
handle_type = params[-1].find('type')
if self.isHandleTypeObject(handle_type.text):
# Check for special case where multiple handles are returned
object_array = False
if cmd_info[-1].len is not None:
object_array = True;
handle_name = params[-1].find('name')
create_obj_code += '%sif (VK_SUCCESS == result) {\n' % (indent)
indent = self.incIndent(indent)
create_obj_code += '%sstd::lock_guard<std::mutex> lock(global_lock);\n' % (indent)
object_dest = '*%s' % handle_name.text
if object_array == True:
create_obj_code += '%sfor (uint32_t index = 0; index < %s; index++) {\n' % (indent, cmd_info[-1].len)
indent = self.incIndent(indent)
object_dest = '%s[index]' % cmd_info[-1].name
create_obj_code += '%sCreateObject(%s, %s, %s, pAllocator);\n' % (indent, params[0].find('name').text, object_dest, self.GetVulkanObjType(cmd_info[-1].type))
if object_array == True:
indent = self.decIndent(indent)
create_obj_code += '%s}\n' % indent
indent = self.decIndent(indent)
create_obj_code += '%s}\n' % (indent)
return create_obj_code
#
# Generate source for destroying a non-dispatchable object
def generate_destroy_object_code(self, indent, proto, cmd_info):
destroy_obj_code = ''
object_array = False
if True in [destroy_txt in proto.text for destroy_txt in ['Destroy', 'Free']]:
# Check for special case where multiple handles are returned
if cmd_info[-1].len is not None:
object_array = True;
param = -1
else:
param = -2
compatalloc_vuid_string = '%s-compatalloc' % cmd_info[param].name
nullalloc_vuid_string = '%s-nullalloc' % cmd_info[param].name
compatalloc_vuid = self.manual_vuids.get(compatalloc_vuid_string, "VALIDATION_ERROR_UNDEFINED")
nullalloc_vuid = self.manual_vuids.get(nullalloc_vuid_string, "VALIDATION_ERROR_UNDEFINED")
if self.isHandleTypeObject(cmd_info[param].type) == True:
if object_array == True:
# This API is freeing an array of handles -- add loop control
destroy_obj_code += 'HEY, NEED TO DESTROY AN ARRAY\n'
else:
# Call Destroy a single time
destroy_obj_code += '%sif (skip) return;\n' % indent
destroy_obj_code += '%s{\n' % indent
destroy_obj_code += '%s std::lock_guard<std::mutex> lock(global_lock);\n' % indent
destroy_obj_code += '%s DestroyObject(%s, %s, %s, pAllocator, %s, %s);\n' % (indent, cmd_info[0].name, cmd_info[param].name, self.GetVulkanObjType(cmd_info[param].type), compatalloc_vuid, nullalloc_vuid)
destroy_obj_code += '%s}\n' % indent
return object_array, destroy_obj_code
#
# Output validation for a single object (obj_count is NULL) or a counted list of objects
def outputObjects(self, obj_type, obj_name, obj_count, prefix, index, indent, destroy_func, destroy_array, disp_name, parent_name, null_allowed, top_level):
decl_code = ''
pre_call_code = ''
post_call_code = ''
param_vuid_string = 'VUID-%s-%s-parameter' % (parent_name, obj_name)
parent_vuid_string = 'VUID-%s-%s-parent' % (parent_name, obj_name)
param_vuid = self.GetVuid(param_vuid_string)
parent_vuid = self.GetVuid(parent_vuid_string)
# If no parent VUID for this member, look for a commonparent VUID
if parent_vuid == 'VALIDATION_ERROR_UNDEFINED':
commonparent_vuid_string = 'VUID-%s-commonparent' % parent_name
parent_vuid = self.GetVuid(commonparent_vuid_string)
if obj_count is not None:
pre_call_code += '%s if (%s%s) {\n' % (indent, prefix, obj_name)
indent = self.incIndent(indent)
pre_call_code += '%s for (uint32_t %s = 0; %s < %s; ++%s) {\n' % (indent, index, index, obj_count, index)
indent = self.incIndent(indent)
pre_call_code += '%s skip |= ValidateObject(%s, %s%s[%s], %s, %s, %s, %s);\n' % (indent, disp_name, prefix, obj_name, index, self.GetVulkanObjType(obj_type), null_allowed, param_vuid, parent_vuid)
indent = self.decIndent(indent)
pre_call_code += '%s }\n' % indent
indent = self.decIndent(indent)
pre_call_code += '%s }\n' % indent
else:
pre_call_code += '%s skip |= ValidateObject(%s, %s%s, %s, %s, %s, %s);\n' % (indent, disp_name, prefix, obj_name, self.GetVulkanObjType(obj_type), null_allowed, param_vuid, parent_vuid)
return decl_code, pre_call_code, post_call_code
#
# first_level_param indicates if elements are passed directly into the function else they're below a ptr/struct
# create_func means that this is API creates or allocates objects
# destroy_func indicates that this API destroys or frees objects
# destroy_array means that the destroy_func operated on an array of objects
def validate_objects(self, members, indent, prefix, array_index, create_func, destroy_func, destroy_array, disp_name, parent_name, first_level_param):
decls = ''
pre_code = ''
post_code = ''
index = 'index%s' % str(array_index)
array_index += 1
# Process any objects in this structure and recurse for any sub-structs in this struct
for member in members:
# Handle objects
if member.iscreate and first_level_param and member == members[-1]:
continue
if self.isHandleTypeObject(member.type) == True:
count_name = member.len
if (count_name is not None):
count_name = '%s%s' % (prefix, member.len)
null_allowed = member.isoptional
(tmp_decl, tmp_pre, tmp_post) = self.outputObjects(member.type, member.name, count_name, prefix, index, indent, destroy_func, destroy_array, disp_name, parent_name, str(null_allowed).lower(), first_level_param)
decls += tmp_decl
pre_code += tmp_pre
post_code += tmp_post
# Handle Structs that contain objects at some level
elif member.type in self.struct_member_dict:
# Structs at first level will have an object
if self.struct_contains_object(member.type) == True:
struct_info = self.struct_member_dict[member.type]
# Struct Array
if member.len is not None:
# Update struct prefix
new_prefix = '%s%s' % (prefix, member.name)
pre_code += '%s if (%s%s) {\n' % (indent, prefix, member.name)
indent = self.incIndent(indent)
pre_code += '%s for (uint32_t %s = 0; %s < %s%s; ++%s) {\n' % (indent, index, index, prefix, member.len, index)
indent = self.incIndent(indent)
local_prefix = '%s[%s].' % (new_prefix, index)
# Process sub-structs in this struct
(tmp_decl, tmp_pre, tmp_post) = self.validate_objects(struct_info, indent, local_prefix, array_index, create_func, destroy_func, destroy_array, disp_name, member.type, False)
decls += tmp_decl
pre_code += tmp_pre
post_code += tmp_post
indent = self.decIndent(indent)
pre_code += '%s }\n' % indent
indent = self.decIndent(indent)
pre_code += '%s }\n' % indent
# Single Struct
else:
# Update struct prefix
new_prefix = '%s%s->' % (prefix, member.name)
# Declare safe_VarType for struct
pre_code += '%s if (%s%s) {\n' % (indent, prefix, member.name)
indent = self.incIndent(indent)
# Process sub-structs in this struct
(tmp_decl, tmp_pre, tmp_post) = self.validate_objects(struct_info, indent, new_prefix, array_index, create_func, destroy_func, destroy_array, disp_name, member.type, False)
decls += tmp_decl
pre_code += tmp_pre
post_code += tmp_post
indent = self.decIndent(indent)
pre_code += '%s }\n' % indent
return decls, pre_code, post_code
#
# For a particular API, generate the object handling code
def generate_wrapping_code(self, cmd):
indent = ' '
proto = cmd.find('proto/name')
params = cmd.findall('param')
if proto.text is not None:
cmd_member_dict = dict(self.cmdMembers)
cmd_info = cmd_member_dict[proto.text]
disp_name = cmd_info[0].name
# Handle object create operations
if cmd_info[0].iscreate:
create_obj_code = self.generate_create_object_code(indent, proto, params, cmd_info)
else:
create_obj_code = ''
# Handle object destroy operations
if cmd_info[0].isdestroy:
(destroy_array, destroy_object_code) = self.generate_destroy_object_code(indent, proto, cmd_info)
else:
destroy_array = False
destroy_object_code = ''
paramdecl = ''
param_pre_code = ''
param_post_code = ''
create_func = True if create_obj_code else False
destroy_func = True if destroy_object_code else False
(paramdecl, param_pre_code, param_post_code) = self.validate_objects(cmd_info, indent, '', 0, create_func, destroy_func, destroy_array, disp_name, proto.text, True)
param_post_code += create_obj_code
if destroy_object_code:
if destroy_array == True:
param_post_code += destroy_object_code
else:
param_pre_code += destroy_object_code
if param_pre_code:
if (not destroy_func) or (destroy_array):
param_pre_code = '%s{\n%s%s%s%s}\n' % (' ', indent, self.lock_guard(indent), param_pre_code, indent)
return paramdecl, param_pre_code, param_post_code
#
# Capture command parameter info needed to create, destroy, and validate objects
def genCmd(self, cmdinfo, cmdname):
# Add struct-member type information to command parameter information
OutputGenerator.genCmd(self, cmdinfo, cmdname)
members = cmdinfo.elem.findall('.//param')
# Iterate over members once to get length parameters for arrays
lens = set()
for member in members:
len = self.getLen(member)
if len:
lens.add(len)
struct_member_dict = dict(self.structMembers)
# Generate member info
membersInfo = []
constains_extension_structs = False
for member in members:
# Get type and name of member
info = self.getTypeNameTuple(member)
type = info[0]
name = info[1]
cdecl = self.makeCParamDecl(member, 0)
# Check for parameter name in lens set
iscount = True if name in lens else False
len = self.getLen(member)
isconst = True if 'const' in cdecl else False
ispointer = self.paramIsPointer(member)
# Mark param as local if it is an array of objects
islocal = False;
if self.isHandleTypeObject(type) == True:
if (len is not None) and (isconst == True):
islocal = True
# Or if it's a struct that contains an object
elif type in struct_member_dict:
if self.struct_contains_object(type) == True:
islocal = True
isdestroy = True if True in [destroy_txt in cmdname for destroy_txt in ['Destroy', 'Free']] else False
iscreate = True if True in [create_txt in cmdname for create_txt in ['Create', 'Allocate', 'Enumerate', 'RegisterDeviceEvent', 'RegisterDisplayEvent']] or ('vkGet' in cmdname and member == members[-1] and ispointer == True) else False
extstructs = member.attrib.get('validextensionstructs') if name == 'pNext' else None
membersInfo.append(self.CommandParam(type=type,
name=name,
ispointer=ispointer,
isconst=isconst,
isoptional=self.paramIsOptional(member),
iscount=iscount,
len=len,
extstructs=extstructs,
cdecl=cdecl,
islocal=islocal,
iscreate=iscreate,
isdestroy=isdestroy,
feature_protect=self.featureExtraProtect))
self.cmdMembers.append(self.CmdMemberData(name=cmdname, members=membersInfo))
self.cmd_info_data.append(self.CmdInfoData(name=cmdname, cmdinfo=cmdinfo))
self.cmd_feature_protect.append(self.CmdExtraProtect(name=cmdname, extra_protect=self.featureExtraProtect))
#
# Create code Create, Destroy, and validate Vulkan objects
def WrapCommands(self):
cmd_member_dict = dict(self.cmdMembers)
cmd_info_dict = dict(self.cmd_info_data)
cmd_protect_dict = dict(self.cmd_feature_protect)
for api_call in self.cmdMembers:
cmdname = api_call.name
cmdinfo = cmd_info_dict[api_call.name]
if cmdname in self.interface_functions:
continue
if cmdname in self.no_autogen_list:
decls = self.makeCDecls(cmdinfo.elem)
self.appendSection('command', '')
self.appendSection('command', '// Declare only')
self.appendSection('command', decls[0])
self.intercepts += [ ' {"%s", (void *)%s},' % (cmdname,cmdname[2:]) ]
continue
# Generate object handling code
(api_decls, api_pre, api_post) = self.generate_wrapping_code(cmdinfo.elem)
# If API doesn't contain any object handles, don't fool with it
if not api_decls and not api_pre and not api_post:
continue
feature_extra_protect = cmd_protect_dict[api_call.name]
if (feature_extra_protect != None):
self.appendSection('command', '')
self.appendSection('command', '#ifdef '+ feature_extra_protect)
self.intercepts += [ '#ifdef %s' % feature_extra_protect ]
# Add intercept to procmap
self.intercepts += [ ' {"%s", (void*)%s},' % (cmdname,cmdname[2:]) ]
decls = self.makeCDecls(cmdinfo.elem)
self.appendSection('command', '')
self.appendSection('command', decls[0][:-1])
self.appendSection('command', '{')
self.appendSection('command', ' bool skip = false;')
# Handle return values, if any
resulttype = cmdinfo.elem.find('proto/type')
if (resulttype != None and resulttype.text == 'void'):
resulttype = None
if (resulttype != None):
assignresult = resulttype.text + ' result = '
else:
assignresult = ''
# Pre-pend declarations and pre-api-call codegen
if api_decls:
self.appendSection('command', "\n".join(str(api_decls).rstrip().split("\n")))
if api_pre:
self.appendSection('command', "\n".join(str(api_pre).rstrip().split("\n")))
# Generate the API call itself
# Gather the parameter items
params = cmdinfo.elem.findall('param/name')
# Pull out the text for each of the parameters, separate them by commas in a list
paramstext = ', '.join([str(param.text) for param in params])
# Use correct dispatch table
disp_type = cmdinfo.elem.find('param/type').text
disp_name = cmdinfo.elem.find('param/name').text
dispatch_table = 'get_dispatch_table(ot_%s_table_map, %s)->' % (self.GetDispType(disp_type), disp_name)
API = cmdinfo.elem.attrib.get('name').replace('vk', dispatch_table, 1)
# Put all this together for the final down-chain call
if assignresult != '':
if resulttype.text == 'VkResult':
self.appendSection('command', ' if (skip) return VK_ERROR_VALIDATION_FAILED_EXT;')
elif resulttype.text == 'VkBool32':
self.appendSection('command', ' if (skip) return VK_FALSE;')
else:
raise Exception('Unknown result type ' + resulttype.text)
else:
self.appendSection('command', ' if (skip) return;')
self.appendSection('command', ' ' + assignresult + API + '(' + paramstext + ');')
# And add the post-API-call codegen
self.appendSection('command', "\n".join(str(api_post).rstrip().split("\n")))
# Handle the return result variable, if any
if (resulttype != None):
self.appendSection('command', ' return result;')
self.appendSection('command', '}')
if (feature_extra_protect != None):
self.appendSection('command', '#endif // '+ feature_extra_protect)
self.intercepts += [ '#endif' ]