blob: b46bba3bd2e5ad8ae996c09163443b48f6a23a2f [file] [log] [blame]
#!/usr/bin/python3 -i
#
# Copyright (c) 2015-2022 The Khronos Group Inc.
# Copyright (c) 2015-2022 Valve Corporation
# Copyright (c) 2015-2022 LunarG, Inc.
# Copyright (c) 2015-2022 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: Dustin Graves <dustin@lunarg.com>
# Author: Mark Lobodzinski <mark@lunarg.com>
# Author: Dave Houlton <daveh@lunarg.com>
import os,re,sys,string,json
import xml.etree.ElementTree as etree
from generator import *
from collections import namedtuple
from common_codegen import *
# Helper for iterating over a list where each element is possibly a single element or another 1-dimensional list
# Generates (setter, deleter, element) for each element where:
# - element = the next element in the list
# - setter(x) = a function that will set the entry in `lines` corresponding to `element` to `x`
# - deleter() = a function that will delete the entry corresponding to `element` in `lines`
def multi_string_iter(lines):
for i, ul in enumerate(lines):
if not isinstance(ul, list):
def setter(x): lines[i] = x
def deleter(): del(lines[i])
yield (setter, deleter, ul)
else:
for j, l in enumerate(lines[i]):
def setter(x): lines[i][j] = x
def deleter(): del(lines[i][j])
yield (setter, deleter, l)
# ParameterValidationGeneratorOptions - subclass of GeneratorOptions.
#
# Adds options used by ParameterValidationOutputGenerator object during Parameter validation layer generation.
#
# Additional members
# 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 ParameterValidationGeneratorOptions(GeneratorOptions):
def __init__(self,
conventions = None,
filename = None,
directory = '.',
genpath = None,
apiname = 'vulkan',
profile = None,
versions = '.*',
emitversions = '.*',
defaultExtensions = 'vulkan',
addExtensions = None,
removeExtensions = None,
emitExtensions = None,
emitSpirv = None,
sortProcedure = regSortFeatures,
apicall = 'VKAPI_ATTR ',
apientry = 'VKAPI_CALL ',
apientryp = 'VKAPI_PTR *',
indentFuncProto = True,
indentFuncPointer = False,
alignFuncParam = 48,
expandEnumerants = False,
valid_usage_path = ''):
GeneratorOptions.__init__(self,
conventions = conventions,
filename = filename,
directory = directory,
genpath = genpath,
apiname = apiname,
profile = profile,
versions = versions,
emitversions = emitversions,
defaultExtensions = defaultExtensions,
addExtensions = addExtensions,
removeExtensions = removeExtensions,
emitExtensions = emitExtensions,
emitSpirv = emitSpirv,
sortProcedure = sortProcedure)
self.apicall = apicall
self.apientry = apientry
self.apientryp = apientryp
self.indentFuncProto = indentFuncProto
self.indentFuncPointer = indentFuncPointer
self.alignFuncParam = alignFuncParam
self.expandEnumerants = expandEnumerants
self.valid_usage_path = valid_usage_path
# ParameterValidationOutputGenerator - subclass of OutputGenerator.
# Generates param checker layer code.
#
# ---- methods ----
# ParamCheckerOutputGenerator(errFile, warnFile, diagFile) - args as for
# OutputGenerator. Defines additional internal state.
# ---- methods overriding base class ----
# beginFile(genOpts)
# endFile()
# beginFeature(interface, emit)
# endFeature()
# genType(typeinfo,name)
# genStruct(typeinfo,name)
# genGroup(groupinfo,name)
# genEnum(enuminfo, name)
# genCmd(cmdinfo)
class ParameterValidationOutputGenerator(OutputGenerator):
"""Generate Parameter Validation 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.declarations = []
inline_custom_source_preamble = """
"""
# These functions have additional, custom-written checks in the utils cpp file. CodeGen will automatically add a call
# to those functions of the form 'bool manual_PreCallValidateAPIName', where the 'vk' is dropped.
# see 'manual_PreCallValidateCreateGraphicsPipelines' as an example.
self.functions_with_manual_checks = [
'vkCreateInstance',
'vkCreateDevice',
'vkCreateQueryPool',
'vkCreateRenderPass',
'vkCreateRenderPass2',
'vkCreateRenderPass2KHR',
'vkCreateBuffer',
'vkCreateImage',
'vkCreatePipelineLayout',
'vkCreateGraphicsPipelines',
'vkCreateComputePipelines',
'vkCreateRayTracingPipelinesNV',
'vkCreateRayTracingPipelinesKHR',
'vkCreateSampler',
'vkCreateDescriptorSetLayout',
'vkFreeDescriptorSets',
'vkUpdateDescriptorSets',
'vkBeginCommandBuffer',
'vkCmdSetViewport',
'vkCmdSetScissor',
'vkCmdSetLineWidth',
'vkCmdDrawIndirect',
'vkCmdDrawIndexedIndirect',
'vkCmdDrawMultiEXT',
'vkCmdDrawMultiIndexedEXT',
'vkCmdClearAttachments',
'vkCmdBindIndexBuffer',
'vkCmdCopyBuffer',
'vkCmdUpdateBuffer',
'vkCmdFillBuffer',
'vkCreateSwapchainKHR',
'vkCreateSharedSwapchainsKHR',
'vkQueuePresentKHR',
'vkCreateDescriptorPool',
'vkCmdDispatch',
'vkCmdDispatchIndirect',
'vkCmdDispatchBaseKHR',
'vkCmdPushDescriptorSetKHR',
'vkCmdSetExclusiveScissorNV',
'vkCmdSetViewportShadingRatePaletteNV',
'vkCmdSetCoarseSampleOrderNV',
'vkCmdDrawMeshTasksNV',
'vkCmdDrawMeshTasksIndirectNV',
'vkCmdDrawMeshTasksIndirectCountNV',
'vkAllocateMemory',
'vkCreateAccelerationStructureNV',
'vkCreateAccelerationStructureKHR',
'vkGetAccelerationStructureHandleNV',
'vkGetPhysicalDeviceImageFormatProperties',
'vkGetPhysicalDeviceImageFormatProperties2',
'vkGetPhysicalDeviceImageFormatProperties2KHR',
'vkCmdBuildAccelerationStructureNV',
'vkCreateFramebuffer',
'vkCmdSetLineStippleEXT',
'vkSetDebugUtilsObjectNameEXT',
'vkSetDebugUtilsObjectTagEXT',
'vkCmdSetViewportWScalingNV',
'vkAcquireNextImageKHR',
'vkAcquireNextImage2KHR',
'vkCmdBindTransformFeedbackBuffersEXT',
'vkCmdBeginTransformFeedbackEXT',
'vkCmdEndTransformFeedbackEXT',
'vkCmdDrawIndirectByteCountEXT',
'vkCreateSamplerYcbcrConversion',
'vkCreateSamplerYcbcrConversionKHR',
'vkImportSemaphoreFdKHR',
'vkCmdBindVertexBuffers',
'vkCreateImageView',
'vkCopyAccelerationStructureToMemoryKHR',
'vkCmdCopyAccelerationStructureToMemoryKHR',
'vkCopyAccelerationStructureKHR',
'vkCmdCopyAccelerationStructureKHR',
'vkCopyMemoryToAccelerationStructureKHR',
'vkCmdCopyMemoryToAccelerationStructureKHR',
'vkCmdDrawIndirectCount',
'vkCmdDrawIndirectCountKHR',
'vkCmdDrawIndexedIndirectCount',
'vkCmdDrawIndexedIndirectCountKHR',
'vkCmdWriteAccelerationStructuresPropertiesKHR',
'vkWriteAccelerationStructuresPropertiesKHR',
'vkGetRayTracingCaptureReplayShaderGroupHandlesKHR',
'vkCmdTraceRaysKHR',
'vkCmdTraceRaysNV',
'vkCmdTraceRaysIndirectKHR',
'vkCmdBuildAccelerationStructureIndirectKHR',
'vkGetDeviceAccelerationStructureCompatibilityKHR',
'vkCmdSetViewportWithCountEXT',
'vkCmdSetViewportWithCount',
'vkCmdSetScissorWithCountEXT',
'vkCmdSetScissorWithCount',
'vkCmdBindVertexBuffers2EXT',
'vkCmdBindVertexBuffers2',
'vkCmdCopyBuffer2KHR',
'vkCmdCopyBuffer2',
'vkCmdBuildAccelerationStructuresKHR',
'vkCmdBuildAccelerationStructuresIndirectKHR',
'vkBuildAccelerationStructuresKHR',
'vkGetAccelerationStructureBuildSizesKHR',
'vkCmdWriteAccelerationStructuresPropertiesNV',
'vkCreateDisplayModeKHR',
'vkCmdSetVertexInputEXT',
'vkCmdPushConstants',
'vkMergePipelineCaches',
'vkGetPhysicalDeviceVideoFormatPropertiesKHR',
'vkCmdClearColorImage',
'vkCmdBeginRenderPass',
'vkCmdBeginRenderPass2KHR',
'vkCmdBeginRenderPass2',
'vkCmdSetDiscardRectangleEXT',
'vkGetQueryPoolResults',
'vkCmdBeginConditionalRenderingEXT',
'vkCreateWin32SurfaceKHR',
'vkGetPhysicalDeviceSurfaceFormatsKHR',
'vkGetPhysicalDeviceSurfacePresentModesKHR',
'vkGetPhysicalDeviceSurfaceCapabilities2KHR',
'vkGetPhysicalDeviceSurfaceFormats2KHR',
'vkGetPhysicalDeviceSurfacePresentModes2EXT',
]
# Commands to ignore
self.blacklist = [
'vkGetInstanceProcAddr',
'vkGetDeviceProcAddr',
'vkEnumerateInstanceVersion',
'vkEnumerateInstanceLayerProperties',
'vkEnumerateInstanceExtensionProperties',
'vkEnumerateDeviceLayerProperties',
'vkEnumerateDeviceExtensionProperties',
'vkGetDeviceGroupSurfacePresentModes2EXT'
]
# Structure fields to ignore
self.structMemberBlacklist = { 'VkWriteDescriptorSet' : ['dstSet'], 'VkAccelerationStructureGeometryKHR' :['geometry'] }
# Validation conditions for some special case struct members that are conditionally validated
self.structMemberValidationConditions = { 'VkPipelineColorBlendStateCreateInfo' : { 'logicOp' : '{}logicOpEnable == VK_TRUE' } }
# Header version
self.headerVersion = None
# Internal state - accumulators for different inner block text
self.validation = [] # Text comprising the main per-api parameter validation routines
self.stypes = [] # Values from the VkStructureType enumeration
self.structTypes = dict() # Map of Vulkan struct typename to required VkStructureType
self.handleTypes = set() # Set of handle type names
self.commands = [] # List of CommandData records for all Vulkan commands
self.structMembers = [] # List of StructMemberData records for all Vulkan structs
self.validatedStructs = dict() # Map of structs type names to generated validation code for that struct type
self.enumRanges = set() # Set of enum names
self.enum_values_definitions = dict() # [enum, string] containing enumerated type map definitions
self.flag_values_definitions = dict() # [flag, string] containing flag type map definitions
self.stype_version_dict = dict() # String containing structtype to version map data
self.flags = set() # Map of flags typenames
self.flagBits = dict() # Map of flag bits typename to list of values
self.newFlags = set() # Map of flags typenames /defined in the current feature/
self.required_extensions = dict() # Dictionary of required extensions for each item in the current extension
self.extension_type = '' # Type of active feature (extension), device or instance
self.extension_names = dict() # Dictionary of extension names to extension name defines
self.structextends_list = [] # List of extensions which extend another struct
self.struct_feature_protect = dict() # Dictionary of structnames and FeatureExtraProtect strings
self.valid_vuids = set() # Set of all valid VUIDs
self.vuid_dict = dict() # VUID dictionary (from JSON)
self.alias_dict = dict() # Dict of cmd|struct aliases
self.header_file = False # Header file generation flag
self.source_file = False # Source file generation flag
self.instance_extension_list = '' # List of instance extension name defines
self.device_extension_list = '' # List of device extension name defines
self.returnedonly_structs = [] # List of structs with 'returnonly' attribute
self.called_types = set() # Set of types called via function/struct - not in list == app never passes in to validate
# Named tuples to store struct and command data
self.CommandParam = namedtuple('CommandParam', ['type', 'name', 'ispointer', 'isstaticarray', 'isbool', 'israngedenum',
'isconst', 'isoptional', 'iscount', 'noautovalidity',
'len', 'extstructs', 'condition', 'cdecl'])
self.CommandData = namedtuple('CommandData', ['name', 'params', 'cdecl', 'extension_type', 'result', 'promotion_info'])
self.StructMemberData = namedtuple('StructMemberData', ['name', 'members'])
#
# Generate Copyright comment block for file
def GenerateCopyright(self):
copyright = '/* *** THIS FILE IS GENERATED - DO NOT EDIT! ***\n'
copyright += ' * See parameter_validation_generator.py for modifications\n'
copyright += ' *\n'
copyright += ' * Copyright (c) 2015-2022 The Khronos Group Inc.\n'
copyright += ' * Copyright (c) 2015-2022 LunarG, Inc.\n'
copyright += ' * Copyright (C) 2015-2022 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 += ' * Copyright (c) 2015-2017 Valve Corporation\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 += ' * Author: Dave Houlton <daveh@LunarG.com>\n'
copyright += ' */\n\n'
return copyright
#
# Increases the global indent variable
def incIndent(self, indent):
inc = ' ' * self.INDENT_SPACES
if indent:
return indent + inc
return inc
#
# Decreases the global indent variable
def decIndent(self, indent):
if indent and (len(indent) > self.INDENT_SPACES):
return indent[:-self.INDENT_SPACES]
return ''
#
# Walk the JSON-derived dict and find all "vuid" key values
def ExtractVUIDs(self, d):
if hasattr(d, 'items'):
for k, v in d.items():
if k == "vuid":
yield v
elif isinstance(v, dict):
for s in self.ExtractVUIDs(v):
yield s
elif isinstance (v, list):
for l in v:
for s in self.ExtractVUIDs(l):
yield s
#
# Called at file creation time
def beginFile(self, genOpts):
OutputGenerator.beginFile(self, genOpts)
self.header_file = (genOpts.filename == 'parameter_validation.h')
self.source_file = (genOpts.filename == 'parameter_validation.cpp')
if not self.header_file and not self.source_file:
print("Error: Output Filenames have changed, update generator source.\n")
sys.exit(1)
if self.source_file or self.header_file:
# Output Copyright text
s = self.GenerateCopyright()
write(s, file=self.outFile)
if self.header_file:
return
stype_map = ''
stype_version_dict = dict()
# Create contents of Structs->API version unordered map
root = self.registry.reg
for node in root.findall('feature'):
version_name = node.get('name')
version_name = version_name.replace('VK_', 'VK_API_')
for enum_item in node.iter('enum'):
if enum_item.get('extends') == "VkStructureType":
struct_type_id = enum_item.get('name')
self.stype_version_dict[struct_type_id] = version_name
for extensions in root.findall('extensions'):
for extension in extensions.findall('extension'):
for entry in extension.iterfind('require/enum[@extends="VkStructureType"]'):
alias = entry.get('alias')
if alias is not None and (entry.get('comment') is None or 'typo' not in entry.get('comment')):
self.stype_version_dict[alias] = extension.get('name')
# Build map of structure type names to VkStructureType enum values
# Find all types of category "struct"
for struct in self.registry.tree.iterfind('types/type[@category="struct"]'):
# Check if struct has member named "sType" of type "VkStructureType" which has values defined
stype = struct.find('member[name="sType"][type="VkStructureType"][@values]')
if stype is not None:
# Store VkStructureType value for this type
self.structTypes[struct.get('name')] = stype.get('values')
self.valid_usage_path = genOpts.valid_usage_path
vu_json_filename = os.path.join(self.valid_usage_path + os.sep, 'validusage.json')
if os.path.isfile(vu_json_filename):
json_file = open(vu_json_filename, 'r', encoding='utf-8')
self.vuid_dict = json.load(json_file)
json_file.close()
if len(self.vuid_dict) == 0:
print("Error: Could not find, or error loading %s/validusage.json\n", vu_json_filename)
sys.exit(1)
#
# Build a set of all vuid text strings found in validusage.json
for json_vuid_string in self.ExtractVUIDs(self.vuid_dict):
self.valid_vuids.add(json_vuid_string)
#
# Headers
write('#include "chassis.h"', file=self.outFile)
self.newline()
write('#include "stateless_validation.h"', file=self.outFile)
self.newline()
#
# Called at end-time for final content output
def endFile(self):
if self.source_file:
# C-specific
self.newline()
# Don't need flag/enum lists if app can never call it to be validated
# But need to save everything as not all information is known until endFile()
for flag, string in self.flag_values_definitions.items():
if flag == 'VkGeometryInstanceFlagsKHR':
# only called in VkAccelerationStructureInstanceKHR which is never called anywhere explicitly
continue
flagBits = flag.replace('Flags', 'FlagBits')
if flag in self.called_types or flagBits in self.called_types:
write(string, file=self.outFile)
for enum, string in self.enum_values_definitions.items():
if enum in self.called_types:
write(string, file=self.outFile)
self.newline()
self.newline()
api_func = 'bool StatelessValidation::CheckPromotedApiAgainstVulkanVersion(VkInstance instance, const char *api_name, const uint32_t promoted_version) const {\n'
api_func += ' bool skip = false;\n'
api_func += ' if (api_version < promoted_version) {\n'
api_func += ' skip = LogError(instance,\n'
api_func += ' kVUID_PVError_ApiVersionViolation, "Attempted to call %s() with an effective API version of %s"\n'
api_func += ' "but this API was not promoted until version %s.", api_name, StringAPIVersion(api_version).c_str(),\n'
api_func += ' StringAPIVersion(promoted_version).c_str());\n'
api_func += ' }\n'
api_func += ' return skip;\n'
api_func += '}\n\n'
api_func += 'bool StatelessValidation::CheckPromotedApiAgainstVulkanVersion(VkPhysicalDevice pdev, const char *api_name, const uint32_t promoted_version) const {\n'
api_func += ' bool skip = false;\n'
api_func += ' const auto &target_pdev = physical_device_properties_map.find(pdev);\n'
api_func += ' if (target_pdev != physical_device_properties_map.end()) {\n'
api_func += ' auto effective_api_version = std::min(target_pdev->second->apiVersion, api_version);\n'
api_func += ' if (effective_api_version < promoted_version) {\n'
api_func += ' skip = LogError(instance,\n'
api_func += ' kVUID_PVError_ApiVersionViolation, "Attempted to call %s() with an effective API version of %s, "\n'
api_func += ' "which is the minimum of version requested in pApplicationInfo (%s) and supported by this physical device (%s), "\n'
api_func += ' "but this API was not promoted until version %s.", api_name, StringAPIVersion(effective_api_version).c_str(),\n'
api_func += ' StringAPIVersion(api_version).c_str(), StringAPIVersion(target_pdev->second->apiVersion).c_str(),\n'
api_func += ' StringAPIVersion(promoted_version).c_str());\n'
api_func += ' }\n'
api_func += ' }\n'
api_func += ' return skip;\n'
api_func += '}\n'
write(api_func, file=self.outFile)
pnext_handler = 'bool StatelessValidation::ValidatePnextStructContents(const char *api_name, const ParameterName &parameter_name,\n'
pnext_handler += ' const VkBaseOutStructure* header, const char *pnext_vuid, bool is_physdev_api, bool is_const_param) const {\n'
pnext_handler += ' bool skip = false;\n'
pnext_handler += ' switch(header->sType) {\n'
# Do some processing here to extract data from validatedstructs...
for item in self.structextends_list:
postProcSpec = {}
postProcSpec['ppp'] = '' if not item else '{postProcPrefix}'
postProcSpec['pps'] = '' if not item else '{postProcSuffix}'
postProcSpec['ppi'] = '' if not item else '{postProcInsert}'
pnext_case = '\n'
pnext_check = ''
protect = ''
# Guard struct cases with feature ifdefs, if necessary
if item in self.struct_feature_protect.keys():
protect = self.struct_feature_protect[item]
pnext_case += '#ifdef %s\n' % protect
pnext_case += ' // Validation code for %s structure members\n' % item
pnext_case += ' case %s: { // Covers VUID-%s-sType-sType\n' % (self.structTypes[item], item)
# pNext version/extension-enabled checks
ver_info = ''
struct_type = self.structTypes[item]
if struct_type in self.stype_version_dict.keys():
ver_info = self.stype_version_dict[struct_type]
else:
struct_type[:-4]
if struct_type[:-4] in self.stype_version_dict.values():
ver_info = self.stype_version_dict[struct_type[:-4]]
else:
ver_info = None
api_check = False
if ver_info is not None:
if 'VK_API_VERSION_' in ver_info:
api_check = True
api_version = ver_info;
pnext_check += ' if (api_version < %s) {\n' % ver_info
pnext_check += ' skip |= LogError(\n'
pnext_check += ' instance, pnext_vuid,\n'
pnext_check += ' "%%s: Includes a pNext pointer (%%s) to a VkStructureType (%s) which was added in %s but the "\n' % (struct_type, ver_info)
pnext_check += ' "current effective API version is %s.",\n'
pnext_check += ' api_name, parameter_name.get_name().c_str(), StringAPIVersion(api_version).c_str());\n'
pnext_check += ' }\n'
else:
# Dependent on enabled extension
ext_name = ver_info
ext_name_define = self.extension_names[ver_info]
table_type = ''
if ext_name_define in self.instance_extension_list:
table_type = 'instance'
elif ext_name_define in self.device_extension_list:
table_type = 'device'
else:
print("Error in parameter_validation_generator.py CodeGen.")
pnext_check += ' if (is_const_param) {\n'
if table_type == 'device':
pnext_check += f' if ((is_physdev_api && !SupportedByPdev(physical_device, {ext_name_define})) || (!is_physdev_api && !IsExtEnabled({table_type}_extensions.{ext_name.lower()}))) {{\n'
else:
pnext_check += ' if (!%s_extensions.%s) {\n' % (table_type, ext_name.lower())
pnext_check += ' skip |= LogError(\n'
pnext_check += ' instance, pnext_vuid,\n'
pnext_check += ' "%%s: Includes a pNext pointer (%%s) to a VkStructureType (%s), but its parent extension "\n' % struct_type
pnext_check += ' "%s has not been enabled.",\n' % ext_name
pnext_check += ' api_name, parameter_name.get_name().c_str());\n'
pnext_check += ' }\n'
pnext_check += ' }\n'
pnext_check += '\n'
expr = self.expandStructCode(item, item, 'structure->', '', ' ', [], postProcSpec)
struct_validation_source = self.ScrubStructCode(expr)
if struct_validation_source != '':
pnext_check += ' if (is_const_param) {\n'
struct_validation_source = ' %s *structure = (%s *) header;\n' % (item, item) + struct_validation_source
struct_validation_source += ' }\n'
pnext_case += '%s%s' % (pnext_check, struct_validation_source)
pnext_case += ' } break;\n'
if protect:
pnext_case += '#endif // %s\n' % protect
# Skip functions containing no validation
if struct_validation_source or pnext_check != '':
pnext_handler += pnext_case;
else:
pnext_handler += '\n // No Validation code for %s structure members -- Covers VUID-%s-sType-sType\n' % (item, item)
pnext_handler += ' default:\n'
pnext_handler += ' skip = false;\n'
pnext_handler += ' }\n'
pnext_handler += ' return skip;\n'
pnext_handler += '}\n'
write(pnext_handler, file=self.outFile)
self.newline()
ext_template = 'bool StatelessValidation::OutputExtensionError(const std::string &api_name, const std::string &extension_name) const {\n'
ext_template += ' return LogError(instance,\n'
ext_template += ' kVUID_PVError_ExtensionNotEnabled, "Attempted to call %s() but its required extension %s has not been enabled\\n",\n'
ext_template += ' api_name.c_str(), extension_name.c_str());\n'
ext_template += '}\n'
write(ext_template, file=self.outFile)
self.newline()
commands_text = '\n'.join(self.validation)
write(commands_text, file=self.outFile)
self.newline()
if self.header_file:
# Output declarations and record intercepted procedures
write('\n'.join(self.declarations), file=self.outFile)
# Finish processing in superclass
OutputGenerator.endFile(self)
#
# Processing at beginning of each feature or extension
def beginFeature(self, interface, emit):
# Start processing in superclass
OutputGenerator.beginFeature(self, interface, emit)
# C-specific
# Accumulate includes, defines, types, enums, function pointer typedefs, end function prototypes separately for this
# feature. They're only printed in endFeature().
self.headerVersion = None
self.stypes = []
self.commands = []
self.structMembers = []
self.newFlags = set()
self.featureExtraProtect = GetFeatureProtect(interface)
# Get base list of extension dependencies for all items in this extension
base_required_extensions = []
if "VK_VERSION_1" not in self.featureName:
index = 0
while interface[0][index].tag == 'comment':
index += 1
nameElem = interface[0][index + 1]
name = nameElem.get('name')
# Save Name Define to get correct enable name later
self.extension_names[self.featureName] = name
# This extension is the first dependency for this command
base_required_extensions.append(self.featureName)
# Add any defined extension dependencies to the base dependency list for this extension
requires = interface.get('requires')
if requires is not None:
base_required_extensions.extend(requires.split(','))
# Build dictionary of extension dependencies for each item in this extension
self.required_extensions = dict()
for require_element in interface.findall('require'):
# Copy base extension dependency list
required_extensions = list(base_required_extensions)
# Add any additional extension dependencies specified in this require block
additional_extensions = require_element.get('extension')
if additional_extensions:
required_extensions.extend(additional_extensions.split(','))
# Save full extension list for all named items
for element in require_element.findall('*[@name]'):
self.required_extensions[element.get('name')] = required_extensions
# And note if this is an Instance or Device extension
self.extension_type = interface.get('type')
if interface.tag == 'extension':
index = 0
while interface[0][index].tag == 'comment':
index += 1
name_elem = interface[0][index + 1]
name_definition = name_elem.get('name')
if 'EXTENSION_NAME' not in name_definition:
print("Error in vk.xml file -- extension name is not available")
if interface.get('type') == 'instance':
self.instance_extension_list += '%s, ' % GetNameDefine(interface)
else:
self.device_extension_list += '%s, ' % GetNameDefine(interface)
#
# Called at the end of each extension (feature)
def endFeature(self):
if self.header_file:
return
# C-specific
# Actually write the interface to the output file.
if (self.emit):
# If type declarations are needed by other features based on this one, it may be necessary to suppress the ExtraProtect,
# or move it below the 'for section...' loop.
ifdef = ''
if (self.featureExtraProtect is not None):
ifdef = '#ifdef %s\n' % self.featureExtraProtect
self.validation.append(ifdef)
# Generate the struct member checking code from the captured data
self.processStructMemberData()
# Generate the command parameter checking code from the captured data
self.processCmdData()
# Write the declaration for the HeaderVersion
if self.headerVersion:
write('const uint32_t GeneratedVulkanHeaderVersion = {};'.format(self.headerVersion), file=self.outFile)
# Write the declarations for the VkFlags values combining all flag bits
for flag in sorted(self.newFlags):
flagBits = flag.replace('Flags', 'FlagBits')
if flagBits in self.flagBits:
bits = self.flagBits[flagBits]
decl = 'const {} All{} = {}'.format(flag, flagBits, bits[0])
for bit in bits[1:]:
decl += '|' + bit
decl += ';'
self.flag_values_definitions[flag] = Guarded(self.featureExtraProtect, decl)
endif = '\n'
if (self.featureExtraProtect is not None):
endif = '#endif // %s\n' % self.featureExtraProtect
self.validation.append(endif)
# Finish processing in superclass
OutputGenerator.endFeature(self)
#
# Type generation
def genType(self, typeinfo, name, alias):
# record the name/alias pair
if alias is not None:
self.alias_dict[name]=alias
OutputGenerator.genType(self, typeinfo, name, alias)
typeElem = typeinfo.elem
# If the type is a struct type, traverse the embedded <member> tags generating a structure. Otherwise, emit the tag text.
category = typeElem.get('category')
if (category == 'struct' or category == 'union'):
self.genStruct(typeinfo, name, alias)
elif (category == 'handle'):
self.handleTypes.add(name)
elif (category == 'bitmask'):
self.flags.add(name)
self.newFlags.add(name)
elif (category == 'define'):
if name == 'VK_HEADER_VERSION':
nameElem = typeElem.find('name')
self.headerVersion = noneStr(nameElem.tail).strip()
#
# 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, alias):
if not self.source_file:
return
# alias has already been recorded in genType, above
OutputGenerator.genStruct(self, typeinfo, typeName, alias)
conditions = self.structMemberValidationConditions[typeName] if typeName in self.structMemberValidationConditions else None
members = typeinfo.elem.findall('.//member')
if self.featureExtraProtect is not None:
self.struct_feature_protect[typeName] = self.featureExtraProtect
#
# 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 = []
returned_only = typeinfo.elem.attrib.get('returnedonly') is not None
for member in members:
# Get the member's type and name
info = self.getTypeNameTuple(member)
type = info[0]
name = info[1]
stypeValue = ''
cdecl = self.makeCParamDecl(member, 0)
ispointer = self.paramIsPointer(member)
isconst = True if 'const' in cdecl else False
# Store pointer/array/string info -- Check for parameter name in lens set
iscount = False
if name in lens:
iscount = True
# The pNext members are not tagged as optional, but are treated as optional for parameter NULL checks. Static array
# members are also treated as optional to skip NULL pointer validation, as they won't be NULL.
isstaticarray = self.paramIsStaticArray(member)
isoptional = False
if self.paramIsOptional(member) or (name == 'pNext') or (isstaticarray):
isoptional = True
# Determine if value should be ignored by code generation.
noautovalidity = False
if (member.attrib.get('noautovalidity') is not None) or ((typeName in self.structMemberBlacklist) and (name in self.structMemberBlacklist[typeName])):
noautovalidity = True
# Some types are marked as noautovalidity, but stateless_validation.h will still want them for manual validation
noautovalidity_type_exceptions = [
"VkQueryPipelineStatisticFlags",
"VkBorderColor"
]
# Store all types that are from incoming calls if auto validity
# non-const pointers don't have auto gen code as used for return values
if (noautovalidity == False) or (type in noautovalidity_type_exceptions):
if not returned_only and (not ispointer or isconst):
self.called_types.add(type)
structextends = False
membersInfo.append(self.CommandParam(type=type, name=name,
ispointer=ispointer,
isstaticarray=isstaticarray,
isbool=True if type == 'VkBool32' else False,
israngedenum=True if type in self.enumRanges else False,
isconst=isconst,
isoptional=isoptional,
iscount=iscount,
noautovalidity=noautovalidity,
len=self.getLen(member),
extstructs=self.registry.validextensionstructs[typeName] if name == 'pNext' else None,
condition=conditions[name] if conditions and name in conditions else None,
cdecl=cdecl))
# If this struct extends another, keep its name in list for further processing
if typeinfo.elem.attrib.get('structextends') is not None:
self.structextends_list.append(typeName)
# Returnedonly structs should have most of their members ignored -- on entry, we only care about validating the sType and
# pNext members. Everything else will be overwritten by the callee.
if returned_only:
self.returnedonly_structs.append(typeName)
membersInfo = [m for m in membersInfo if m.name in ('sType', 'pNext')]
self.structMembers.append(self.StructMemberData(name=typeName, members=membersInfo))
#
# Capture group (e.g. C "enum" type) info to be used for param check code generation.
# These are concatenated together with other types.
def genGroup(self, groupinfo, groupName, alias):
if not self.source_file:
return
# record the name/alias pair
if alias is not None:
self.alias_dict[groupName]=alias
OutputGenerator.genGroup(self, groupinfo, groupName, alias)
groupElem = groupinfo.elem
# Store the sType values
if groupName == 'VkStructureType':
for elem in groupElem.findall('enum'):
self.stypes.append(elem.get('name'))
elif 'FlagBits' in groupName:
bits = []
for elem in groupElem.findall('enum'):
if elem.get('supported') != 'disabled':
bits.append(elem.get('name'))
if bits:
self.flagBits[groupName] = bits
else:
# Determine if begin/end ranges are needed (we don't do this for VkStructureType, which has a more finely grained check)
expandName = re.sub(r'([0-9a-z_])([A-Z0-9][^A-Z0-9]?)',r'\1_\2',groupName).upper()
expandPrefix = expandName
expandSuffix = ''
expandSuffixMatch = re.search(r'[A-Z][A-Z]+$',groupName)
if expandSuffixMatch:
expandSuffix = '_' + expandSuffixMatch.group()
# Strip off the suffix from the prefix
expandPrefix = expandName.rsplit(expandSuffix, 1)[0]
isEnum = ('FLAG_BITS' not in expandPrefix)
if isEnum:
self.enumRanges.add(groupName)
# Create definition for a list containing valid enum values for this enumerated type
if self.featureExtraProtect is not None:
enum_entry = '#ifdef %s\n' % self.featureExtraProtect
else:
enum_entry = ''
enum_entry += 'const std::vector<%s> All%sEnums = {' % (groupName, groupName)
for enum in groupElem:
name = enum.get('name')
if name is not None and enum.get('supported') != 'disabled':
enum_entry += '%s, ' % name
enum_entry += '};'
if self.featureExtraProtect is not None:
enum_entry += '\n#endif // %s' % self.featureExtraProtect
self.enum_values_definitions[groupName] = enum_entry
#
# Capture command parameter info to be used for param check code generation.
def genCmd(self, cmdinfo, name, alias):
# record the name/alias pair
if alias is not None:
self.alias_dict[name]=alias
OutputGenerator.genCmd(self, cmdinfo, name, alias)
decls = self.makeCDecls(cmdinfo.elem)
typedef = decls[1]
typedef = typedef.split(')',1)[1]
if self.header_file:
if name not in self.blacklist:
if (self.featureExtraProtect is not None):
self.declarations += [ '#ifdef %s' % self.featureExtraProtect ]
# Strip off 'vk' from API name
decl = '%s%s' % ('bool PreCallValidate', decls[0].split("VKAPI_CALL vk")[1])
decl_terminator = ' const override;'
if 'ValidationCache' in name:
decl_terminator = ' const;'
decl = str(decl).replace(';', decl_terminator)
self.declarations += [ decl ]
if (self.featureExtraProtect is not None):
self.declarations += [ '#endif' ]
if self.source_file:
if name not in self.blacklist:
params = cmdinfo.elem.findall('param')
# Get list of array lengths
lens = set()
for param in params:
len = self.getLen(param)
if len:
lens.add(len)
# Get param info
paramsInfo = []
for param in params:
paramInfo = self.getTypeNameTuple(param)
cdecl = self.makeCParamDecl(param, 0)
ispointer = self.paramIsPointer(param)
isconst = True if 'const' in cdecl else False
# non-const pointers don't have auto gen code as used for return values
if not ispointer or isconst:
self.called_types.add(paramInfo[0])
# Check for parameter name in lens set
iscount = False
if paramInfo[1] in lens:
iscount = True
paramsInfo.append(self.CommandParam(type=paramInfo[0], name=paramInfo[1],
ispointer=ispointer,
isstaticarray=self.paramIsStaticArray(param),
isbool=True if paramInfo[0] == 'VkBool32' else False,
israngedenum=True if paramInfo[0] in self.enumRanges else False,
isconst=isconst,
isoptional=self.paramIsOptional(param),
iscount=iscount,
noautovalidity=True if param.attrib.get('noautovalidity') is not None else False,
len=self.getLen(param),
extstructs=None,
condition=None,
cdecl=cdecl))
# Save return value information, if any
result_type = ''
promotion_info = ''
resultinfo = cmdinfo.elem.find('proto/type')
if (resultinfo is not None and resultinfo.text != 'void'):
result_type = resultinfo.text
if "VK_VERSION" in self.featureName and "VK_VERSION_1_0" != self.featureName:
if ('VkInstance' == paramsInfo[0].type or 'VkPhysicalDevice' == paramsInfo[0].type):
promotion_info = [paramsInfo[0].name, self.featureName]
self.commands.append(self.CommandData(name=name, params=paramsInfo, cdecl=self.makeCDecls(cmdinfo.elem)[0], extension_type=self.extension_type, result=result_type, promotion_info=promotion_info))
#
# Check if the parameter passed in is a pointer
def paramIsPointer(self, param):
ispointer = 0
paramtype = param.find('type')
if (paramtype.tail is not None) and ('*' in paramtype.tail):
ispointer = paramtype.tail.count('*')
elif paramtype.text[:4] == 'PFN_':
# Treat function pointer typedefs as a pointer to a single value
ispointer = 1
return ispointer
#
# Check if the parameter passed in is a static array
def paramIsStaticArray(self, param):
isstaticarray = 0
paramname = param.find('name')
if (paramname.tail is not None) and ('[' in paramname.tail):
isstaticarray = paramname.tail.count('[')
return isstaticarray
#
# Check if the parameter passed in is optional
# Returns a list of Boolean values for comma separated len attributes (len='false,true')
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
#
# Check if the handle passed in is optional
# Uses the same logic as ValidityOutputGenerator.isHandleOptional
def isHandleOptional(self, param, lenParam):
# Simple, if it's optional, return true
if param.isoptional:
return True
# If no validity is being generated, it usually means that validity is complex and not absolute, so let's say yes.
if param.noautovalidity:
return True
# If the parameter is an array and we haven't already returned, find out if any of the len parameters are optional
if lenParam and lenParam.isoptional:
return True
return False
#
# Retrieve the value of the len tag
def getLen(self, param):
result = None
# Default to altlen when available to avoid LaTeX markup
if 'altlen' in param.attrib:
len = param.attrib.get('altlen')
else:
len = param.attrib.get('len')
if len and len != 'null-terminated':
# Only first level is supported for multidimensional arrays. Conveniently, this also strips the trailing
# 'null-terminated' from arrays of strings
len = len.split(',')[0]
# Convert scope notation to pointer access
result = str(len).replace('::', '->')
elif self.paramIsStaticArray(param):
# For static arrays get length from inside []
array_match = re.search(r'\[(\d+)\]', param.find('name').tail)
if array_match:
result = array_match.group(1)
return result
#
# 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)
#
# Find a named parameter in a parameter list
def getParamByName(self, params, name):
for param in params:
if param.name == name:
return param
return None
#
# Get the length paramater record for the specified length expression
def getLenParam(self, params, length):
# First check if any element of params matches length exactly
lenParam = self.getParamByName(params, length)
if not lenParam:
# Otherwise, look for any elements of params that appear within length
len_candidates = [p for p in params if re.search(r'\b{}\b'.format(p.name), length)]
# 0 or 1 matches are expected, >1 would require a special case and/or explicit validation
if len(len_candidates) == 0:
lenParam = None
elif len(len_candidates) == 1:
lenParam = len_candidates[0]
else:
raise Exception('Cannot determine length parameter for len attribute value {}'.format(length))
return lenParam
#
# Convert a vulkan.h command declaration into a parameter_validation.h definition
def getCmdDef(self, cmd):
# Strip the trailing ';' and split into individual lines
lines = cmd.cdecl[:-1].split('\n')
cmd_hdr = '\n'.join(lines)
return cmd_hdr
#
# Generate the code to check for a NULL dereference before calling the
# validation function
def genCheckedLengthCall(self, name, exprs):
count = name.count('->')
if count:
checkedExpr = []
localIndent = ''
elements = name.split('->')
# Open the if expression blocks
for i in range(0, count):
checkedExpr.append(localIndent + 'if ({} != NULL) {{\n'.format('->'.join(elements[0:i+1])))
localIndent = self.incIndent(localIndent)
# Add the validation expression
for expr in exprs:
checkedExpr.append(localIndent + expr)
# Close the if blocks
for i in range(0, count):
localIndent = self.decIndent(localIndent)
checkedExpr.append(localIndent + '}\n')
return [checkedExpr]
# No if statements were required
return exprs
#
# Generate code to check for a specific condition before executing validation code
def genConditionalCall(self, prefix, condition, exprs):
checkedExpr = []
localIndent = ''
formattedCondition = condition.format(prefix)
checkedExpr.append(localIndent + 'if ({})\n'.format(formattedCondition))
checkedExpr.append(localIndent + '{\n')
localIndent = self.incIndent(localIndent)
for expr in exprs:
checkedExpr.append(localIndent + expr)
localIndent = self.decIndent(localIndent)
checkedExpr.append(localIndent + '}\n')
return [checkedExpr]
#
# Get VUID identifier from implicit VUID tag
def GetVuid(self, name, suffix):
vuid_string = 'VUID-%s-%s' % (name, suffix)
vuid = "kVUIDUndefined"
if '->' in vuid_string:
return vuid
if vuid_string in self.valid_vuids:
vuid = "\"%s\"" % vuid_string
else:
if name in self.alias_dict:
alias_string = 'VUID-%s-%s' % (self.alias_dict[name], suffix)
if alias_string in self.valid_vuids:
vuid = "\"%s\"" % alias_string
return vuid
#
# Generate the sType check string
def makeStructTypeCheck(self, prefix, value, lenValue, valueRequired, lenValueRequired, lenPtrRequired, funcPrintName, lenPrintName, valuePrintName, postProcSpec, struct_type_name):
checkExpr = []
stype = self.structTypes[value.type]
vuid_name = struct_type_name if struct_type_name is not None else funcPrintName
stype_vuid = self.GetVuid(value.type, "sType-sType")
param_vuid = self.GetVuid(vuid_name, "%s-parameter" % value.name)
if lenValue:
count_required_vuid = self.GetVuid(vuid_name, "%s-arraylength" % value.len)
# This is an array of struct pointers
if value.ispointer == 2:
checkExpr.append('skip |= validate_struct_pointer_type_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, "{sv}", {pf}{ln}, {pf}{vn}, {sv}, {}, {}, {}, {}, {});\n'.format(
funcPrintName, lenValueRequired, valueRequired, stype_vuid, param_vuid, count_required_vuid, ln=lenValue.name, ldn=lenPrintName, dn=valuePrintName, vn=value.name, sv=stype, pf=prefix, **postProcSpec))
# This is an array with a pointer to a count value
elif lenValue.ispointer:
# When the length parameter is a pointer, there is an extra Boolean parameter in the function call to indicate if it is required
checkExpr.append('skip |= validate_struct_type_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, "{sv}", {pf}{ln}, {pf}{vn}, {sv}, {}, {}, {}, {}, {}, {});\n'.format(
funcPrintName, lenPtrRequired, lenValueRequired, valueRequired, stype_vuid, param_vuid, count_required_vuid, ln=value.len, ldn=lenPrintName, dn=valuePrintName, vn=value.name, sv=stype, pf=prefix, **postProcSpec))
# This is an array with an integer count value
else:
checkExpr.append('skip |= validate_struct_type_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, "{sv}", {pf}{ln}, {pf}{vn}, {sv}, {}, {}, {}, {}, {});\n'.format(
funcPrintName, lenValueRequired, valueRequired, stype_vuid, param_vuid, count_required_vuid, ln=value.len, ldn=lenPrintName, dn=valuePrintName, vn=value.name, sv=stype, pf=prefix, **postProcSpec))
# This is an individual struct
else:
checkExpr.append('skip |= validate_struct_type("{}", {ppp}"{}"{pps}, "{sv}", {}{vn}, {sv}, {}, {}, {});\n'.format(
funcPrintName, valuePrintName, prefix, valueRequired, param_vuid, stype_vuid, vn=value.name, sv=stype, vt=value.type, **postProcSpec))
return checkExpr
#
# Generate the handle check string
def makeHandleCheck(self, prefix, value, lenValue, valueRequired, lenValueRequired, funcPrintName, lenPrintName, valuePrintName, postProcSpec):
checkExpr = []
if lenValue:
if lenValue.ispointer:
# This is assumed to be an output array with a pointer to a count value
raise('Unsupported parameter validation case: Output handle array elements are not NULL checked')
else:
count_required_vuid = self.GetVuid(funcPrintName, "%s-arraylength" % (value.len))
# This is an array with an integer count value
checkExpr.append('skip |= validate_handle_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, {pf}{ln}, {pf}{vn}, {}, {}, {});\n'.format(
funcPrintName, lenValueRequired, valueRequired, count_required_vuid, ln=value.len, ldn=lenPrintName, dn=valuePrintName, vn=value.name, pf=prefix, **postProcSpec))
else:
# This is assumed to be an output handle pointer
raise('Unsupported parameter validation case: Output handles are not NULL checked')
return checkExpr
#
# Generate check string for an array of VkFlags values
def makeFlagsArrayCheck(self, prefix, value, lenValue, valueRequired, lenValueRequired, funcPrintName, lenPrintName, valuePrintName, postProcSpec):
checkExpr = []
flagBitsName = value.type.replace('Flags', 'FlagBits')
if not flagBitsName in self.flagBits:
raise('Unsupported parameter validation case: array of reserved VkFlags')
else:
allFlags = 'All' + flagBitsName
checkExpr.append('skip |= validate_flags_array("{}", {ppp}"{}"{pps}, {ppp}"{}"{pps}, "{}", {}, {pf}{}, {pf}{}, {}, {});\n'.format(funcPrintName, lenPrintName, valuePrintName, flagBitsName, allFlags, value.len, value.name, lenValueRequired, valueRequired, pf=prefix, **postProcSpec))
return checkExpr
#
# Generate pNext check string
def makeStructNextCheck(self, prefix, value, funcPrintName, valuePrintName, postProcSpec, struct_type_name):
checkExpr = []
# Generate an array of acceptable VkStructureType values for pNext
extStructCount = 0
extStructVar = 'NULL'
extStructNames = 'NULL'
pNextVuid = self.GetVuid(struct_type_name, "pNext-pNext")
sTypeVuid = self.GetVuid(struct_type_name, "sType-unique")
if value.extstructs:
extStructVar = 'allowed_structs_{}'.format(struct_type_name)
extStructCount = 'ARRAY_SIZE({})'.format(extStructVar)
extStructNames = '"' + ', '.join(value.extstructs) + '"'
checkExpr.append('const VkStructureType {}[] = {{ {} }};\n'.format(extStructVar, ', '.join([self.structTypes[s] for s in value.extstructs])))
checkExpr.append('skip |= validate_struct_pnext("{}", {ppp}"{}"{pps}, {}, {}{}, {}, {}, GeneratedVulkanHeaderVersion, {}, {});\n'.format(
funcPrintName, valuePrintName, extStructNames, prefix, value.name, extStructCount, extStructVar, pNextVuid, sTypeVuid, **postProcSpec))
return checkExpr
#
# Generate the pointer check string
def makePointerCheck(self, prefix, value, lenValue, valueRequired, lenValueRequired, lenPtrRequired, funcPrintName, lenPrintName, valuePrintName, postProcSpec, struct_type_name):
checkExpr = []
vuid_tag_name = struct_type_name if struct_type_name is not None else funcPrintName
if lenValue:
length_deref = '->' in value.len
count_required_vuid = self.GetVuid(vuid_tag_name, "%s-arraylength" % (value.len))
array_required_vuid = self.GetVuid(vuid_tag_name, "%s-parameter" % (value.name))
# TODO: Remove workaround for missing optional tag in vk.xml
if array_required_vuid == '"VUID-VkFramebufferCreateInfo-pAttachments-parameter"':
return []
# This is an array with a pointer to a count value
if lenValue.ispointer and not length_deref:
# If count and array parameters are optional, there will be no validation
if valueRequired == 'true' or lenPtrRequired == 'true' or lenValueRequired == 'true':
# When the length parameter is a pointer, there is an extra Boolean parameter in the function call to indicate if it is required
checkExpr.append('skip |= validate_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, {pf}{ln}, &{pf}{vn}, {}, {}, {}, {}, {});\n'.format(
funcPrintName, lenPtrRequired, lenValueRequired, valueRequired, count_required_vuid, array_required_vuid, ln=value.len, ldn=lenPrintName, dn=valuePrintName, vn=value.name, pf=prefix, **postProcSpec))
# This is an array with an integer count value
else:
# If count and array parameters are optional, there will be no validation
if valueRequired == 'true' or lenValueRequired == 'true':
if value.type != 'char':
# A valid VU can't use '->' in the middle so the generated VUID from the spec uses '::' instead
count_required_vuid = self.GetVuid(vuid_tag_name, "%s-arraylength" % (value.len.replace('->', '::')))
checkExpr.append('skip |= validate_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, {pf}{ln}, &{pf}{vn}, {}, {}, {}, {});\n'.format(
funcPrintName, lenValueRequired, valueRequired, count_required_vuid, array_required_vuid, ln=value.len, ldn=lenPrintName, dn=valuePrintName, vn=value.name, pf=prefix, **postProcSpec))
else:
# Arrays of strings receive special processing
checkExpr.append('skip |= validate_string_array("{}", {ppp}"{ldn}"{pps}, {ppp}"{dn}"{pps}, {pf}{ln}, {pf}{vn}, {}, {}, {}, {});\n'.format(
funcPrintName, lenValueRequired, valueRequired, count_required_vuid, array_required_vuid, ln=value.len, ldn=lenPrintName, dn=valuePrintName, vn=value.name, pf=prefix, **postProcSpec))
if checkExpr:
if lenValue and length_deref:
# Add checks to ensure the validation call does not dereference a NULL pointer to obtain the count
checkExpr = self.genCheckedLengthCall(value.len, checkExpr)
# This is an individual struct that is not allowed to be NULL
elif not value.isoptional:
# Function pointers need a reinterpret_cast to void*
ptr_required_vuid = self.GetVuid(vuid_tag_name, "%s-parameter" % (value.name))
if value.type[:4] == 'PFN_':
allocator_dict = {'pfnAllocation': '"VUID-VkAllocationCallbacks-pfnAllocation-00632"',
'pfnReallocation': '"VUID-VkAllocationCallbacks-pfnReallocation-00633"',
'pfnFree': '"VUID-VkAllocationCallbacks-pfnFree-00634"',
}
vuid = allocator_dict.get(value.name)
if vuid is not None:
ptr_required_vuid = vuid
checkExpr.append('skip |= validate_required_pointer("{}", {ppp}"{}"{pps}, reinterpret_cast<const void*>({}{}), {});\n'.format(funcPrintName, valuePrintName, prefix, value.name, ptr_required_vuid, **postProcSpec))
else:
checkExpr.append('skip |= validate_required_pointer("{}", {ppp}"{}"{pps}, {}{}, {});\n'.format(funcPrintName, valuePrintName, prefix, value.name, ptr_required_vuid, **postProcSpec))
else:
# Special case for optional internal allocation function pointers.
if (value.type, value.name) == ('PFN_vkInternalAllocationNotification', 'pfnInternalAllocation'):
checkExpr.extend(self.internalAllocationCheck(funcPrintName, prefix, value.name, 'pfnInternalFree', postProcSpec))
elif (value.type, value.name) == ('PFN_vkInternalFreeNotification', 'pfnInternalFree'):
checkExpr.extend(self.internalAllocationCheck(funcPrintName, prefix, value.name, 'pfnInternalAllocation', postProcSpec))
return checkExpr
#
# Generate internal allocation function pointer check.
def internalAllocationCheck(self, funcPrintName, prefix, name, complementaryName, postProcSpec):
checkExpr = []
vuid = '"VUID-VkAllocationCallbacks-pfnInternalAllocation-00635"'
checkExpr.append('if ({}{} != NULL)'.format(prefix, name))
checkExpr.append('{')
local_indent = self.incIndent('')
# Function pointers need a reinterpret_cast to void*
checkExpr.append(local_indent + 'skip |= validate_required_pointer("{}", {ppp}"{}{}"{pps}, reinterpret_cast<const void*>({}{}), {});\n'.format(funcPrintName, prefix, complementaryName, prefix, complementaryName, vuid, **postProcSpec))
checkExpr.append('}\n')
return checkExpr
#
# Process struct member validation code, performing name substitution if required
def processStructMemberCode(self, line, funcName, memberNamePrefix, memberDisplayNamePrefix, postProcSpec):
# Build format specifier list
kwargs = {}
if '{postProcPrefix}' in line:
# If we have a tuple that includes a format string and format parameters, need to use ParameterName class
if type(memberDisplayNamePrefix) is tuple:
kwargs['postProcPrefix'] = 'ParameterName('
else:
kwargs['postProcPrefix'] = postProcSpec['ppp']
if '{postProcSuffix}' in line:
# If we have a tuple that includes a format string and format parameters, need to use ParameterName class
if type(memberDisplayNamePrefix) is tuple:
kwargs['postProcSuffix'] = ', ParameterName::IndexVector{{ {}{} }})'.format(postProcSpec['ppi'], memberDisplayNamePrefix[1])
else:
kwargs['postProcSuffix'] = postProcSpec['pps']
if '{postProcInsert}' in line:
# If we have a tuple that includes a format string and format parameters, need to use ParameterName class
if type(memberDisplayNamePrefix) is tuple:
kwargs['postProcInsert'] = '{}{}, '.format(postProcSpec['ppi'], memberDisplayNamePrefix[1])
else:
kwargs['postProcInsert'] = postProcSpec['ppi']
if '{funcName}' in line:
kwargs['funcName'] = funcName
if '{valuePrefix}' in line:
kwargs['valuePrefix'] = memberNamePrefix
if '{displayNamePrefix}' in line:
# Check for a tuple that includes a format string and format parameters to be used with the ParameterName class
if type(memberDisplayNamePrefix) is tuple:
kwargs['displayNamePrefix'] = memberDisplayNamePrefix[0]
else:
kwargs['displayNamePrefix'] = memberDisplayNamePrefix
if kwargs:
# Need to escape the C++ curly braces
if 'IndexVector' in line:
line = line.replace('IndexVector{ ', 'IndexVector{{ ')
line = line.replace(' }),', ' }}),')
return line.format(**kwargs)
return line
#
# Process struct member validation code, stripping metadata
def ScrubStructCode(self, code):
scrubbed_lines = ''
for line in code:
if 'validate_struct_pnext' in line:
continue
if 'allowed_structs' in line:
continue
if 'xml-driven validation' in line:
continue
line = line.replace('{postProcPrefix}', '')
line = line.replace('{postProcSuffix}', '')
line = line.replace('{postProcInsert}', '')
line = line.replace('{funcName}', '')
line = line.replace('{valuePrefix}', '')
line = line.replace('{displayNamePrefix}', '')
line = line.replace('{IndexVector}', '')
line = line.replace('local_data->', '')
scrubbed_lines += line
return scrubbed_lines
#
# Process struct validation code for inclusion in function or parent struct validation code
def expandStructCode(self, item_type, funcName, memberNamePrefix, memberDisplayNamePrefix, indent, output, postProcSpec):
lines = self.validatedStructs[item_type]
for line in lines:
if output:
output[-1] += '\n'
if type(line) is list:
for sub in line:
output.append(self.processStructMemberCode(indent + sub, funcName, memberNamePrefix, memberDisplayNamePrefix, postProcSpec))
else:
output.append(self.processStructMemberCode(indent + line, funcName, memberNamePrefix, memberDisplayNamePrefix, postProcSpec))
return output
#
# Process struct pointer/array validation code, performing name substitution if required
def expandStructPointerCode(self, prefix, value, lenValue, funcName, valueDisplayName, postProcSpec):
expr = []
expr.append('if ({}{} != NULL)\n'.format(prefix, value.name))
expr.append('{')
indent = self.incIndent(None)
if lenValue:
# Need to process all elements in the array
indexName = value.len.replace('Count', 'Index')
expr[-1] += '\n'
if lenValue.ispointer:
# If the length value is a pointer, de-reference it for the count.
expr.append(indent + 'for (uint32_t {iname} = 0; {iname} < *{}{}; ++{iname})\n'.format(prefix, value.len, iname=indexName))
else:
expr.append(indent + 'for (uint32_t {iname} = 0; {iname} < {}{}; ++{iname})\n'.format(prefix, value.len, iname=indexName))
expr.append(indent + '{')
indent = self.incIndent(indent)
# Prefix for value name to display in error message
if value.ispointer == 2:
memberNamePrefix = '{}{}[{}]->'.format(prefix, value.name, indexName)
memberDisplayNamePrefix = ('{}[%i]->'.format(valueDisplayName), indexName)
else:
memberNamePrefix = '{}{}[{}].'.format(prefix, value.name, indexName)
memberDisplayNamePrefix = ('{}[%i].'.format(valueDisplayName), indexName)
else:
memberNamePrefix = '{}{}->'.format(prefix, value.name)
memberDisplayNamePrefix = '{}->'.format(valueDisplayName)
# Expand the struct validation lines
expr = self.expandStructCode(value.type, funcName, memberNamePrefix, memberDisplayNamePrefix, indent, expr, postProcSpec)
if lenValue:
# Close if and for scopes
indent = self.decIndent(indent)
expr.append(indent + '}\n')
expr.append('}\n')
return expr
#
# Generate the parameter checking code
def genFuncBody(self, funcName, values, valuePrefix, displayNamePrefix, structTypeName, is_phys_device = False):
lines = [] # Generated lines of code
unused = [] # Unused variable names
duplicateCountVuid = [] # prevent duplicate VUs being generated
# TODO Using a regex in this context is not ideal. Would be nicer if usedLines were a list of objects with "settings" (such as "is_phys_device")
validate_pnext_rx = re.compile(r'(.*validate_struct_pnext\(.*)(\).*\n*)', re.M)
for value in values:
usedLines = []
lenParam = None
#
# Prefix and suffix for post processing of parameter names for struct members. Arrays of structures need special processing to include the array index in the full parameter name.
postProcSpec = {}
postProcSpec['ppp'] = '' if not structTypeName else '{postProcPrefix}'
postProcSpec['pps'] = '' if not structTypeName else '{postProcSuffix}'
postProcSpec['ppi'] = '' if not structTypeName else '{postProcInsert}'
#
# Generate the full name of the value, which will be printed in the error message, by adding the variable prefix to the value name
valueDisplayName = '{}{}'.format(displayNamePrefix, value.name)
#
# Check for NULL pointers, ignore the in-out count parameters that
# will be validated with their associated array
if (value.ispointer or value.isstaticarray) and not value.iscount:
# Parameters for function argument generation
req = 'true' # Parameter cannot be NULL
cpReq = 'true' # Count pointer cannot be NULL
cvReq = 'true' # Count value cannot be 0
lenDisplayName = None # Name of length parameter to print with validation messages; parameter name with prefix applied
countRequiredVuid = None # If there is a count required VUID to check
# Generate required/optional parameter strings for the pointer and count values
if value.isoptional:
req = 'false'
if value.len:
# The parameter is an array with an explicit count parameter
lenParam = self.getLenParam(values, value.len)
if lenParam:
lenDisplayName = value.len.replace(lenParam.name, displayNamePrefix + lenParam.name)
if lenParam.ispointer:
# Count parameters that are pointers are inout
if type(lenParam.isoptional) is list:
if lenParam.isoptional[0]:
cpReq = 'false'
if lenParam.isoptional[1]:
cvReq = 'false'
else:
if lenParam.isoptional:
cpReq = 'false'
# In case of count as field in another struct, look up field to see if count is optional.
len_deref = value.len.split('->')
if len(len_deref) == 2:
struct_fields = next((struct.members for struct in self.structMembers if struct.name == lenParam.type), None)
if struct_fields:
len_field_name = len_deref[1]
struct_field = next((field for field in struct_fields if field.name == len_field_name), None)
if struct_field and struct_field.isoptional:
cvReq = 'false'
else:
if lenParam.isoptional:
cvReq = 'false'
elif value.noautovalidity:
# Handle edge case where XML expresses a non-optional non-pointer value length with noautovalidity
# ex: <param noautovalidity="true"len="commandBufferCount">
vuidNameTag = structTypeName if structTypeName is not None else funcName
countRequiredVuid = self.GetVuid(vuidNameTag, "%s-arraylength" % (lenParam.name))
if countRequiredVuid in duplicateCountVuid:
countRequiredVuid = None
else:
duplicateCountVuid.append(countRequiredVuid)
else:
# Do not generate length checks for constant sized arrays
cpReq = 'false'
cvReq = 'false'
#
# The parameter will not be processed when tagged as 'noautovalidity'
# For the pointer to struct case, the struct pointer will not be validated, but any
# members not tagged as 'noautovalidity' will be validated
# We special-case the custom allocator checks, as they are explicit but can be auto-generated.
AllocatorFunctions = ['PFN_vkAllocationFunction', 'PFN_vkReallocationFunction', 'PFN_vkFreeFunction', 'PFN_vkInternalAllocationNotification', 'PFN_vkInternalFreeNotification']
if value.noautovalidity and value.type not in AllocatorFunctions and not countRequiredVuid:
# Log a diagnostic message when validation cannot be automatically generated and must be implemented manually
self.logMsg('diag', 'ParameterValidation: No validation for {} {}'.format(structTypeName if structTypeName else funcName, value.name))
elif countRequiredVuid:
usedLines.append('skip |= validate_array("{}", {ppp}"{ldn}"{pps}, "", {pf}{ln}, &{pf}{vn}, true, false, {}, kVUIDUndefined);\n'.format(
funcName, countRequiredVuid, pf=valuePrefix, ldn=lenDisplayName, ln=value.len, vn=value.name, **postProcSpec))
else:
if value.type in self.structTypes:
# If this is a pointer to a struct with an sType field, verify the type
usedLines += self.makeStructTypeCheck(valuePrefix, value, lenParam, req, cvReq, cpReq, funcName, lenDisplayName, valueDisplayName, postProcSpec, structTypeName)
# If this is an input handle array that is not allowed to contain NULL handles, verify that none of the handles are VK_NULL_HANDLE
elif value.type in self.handleTypes and value.isconst and not self.isHandleOptional(value, lenParam):
usedLines += self.makeHandleCheck(valuePrefix, value, lenParam, req, cvReq, funcName, lenDisplayName, valueDisplayName, postProcSpec)
elif value.type in self.flags and value.isconst:
usedLines += self.makeFlagsArrayCheck(valuePrefix, value, lenParam, req, cvReq, funcName, lenDisplayName, valueDisplayName, postProcSpec)
elif value.isbool and value.isconst:
usedLines.append('skip |= validate_bool32_array("{}", {ppp}"{}"{pps}, {ppp}"{}"{pps}, {pf}{}, {pf}{}, {}, {});\n'.format(funcName, lenDisplayName, valueDisplayName, value.len, value.name, cvReq, req, pf=valuePrefix, **postProcSpec))
elif value.israngedenum and value.isconst:
enum_value_list = 'All%sEnums' % value.type
usedLines.append('skip |= validate_ranged_enum_array("{}", {ppp}"{}"{pps}, {ppp}"{}"{pps}, "{}", {}, {pf}{}, {pf}{}, {}, {});\n'.format(funcName, lenDisplayName, valueDisplayName, value.type, enum_value_list, value.len, value.name, cvReq, req, pf=valuePrefix, **postProcSpec))
elif value.name == 'pNext':
usedLines += self.makeStructNextCheck(valuePrefix, value, funcName, valueDisplayName, postProcSpec, structTypeName)
else:
usedLines += self.makePointerCheck(valuePrefix, value, lenParam, req, cvReq, cpReq, funcName, lenDisplayName, valueDisplayName, postProcSpec, structTypeName)
# If this is a pointer to a struct (input), see if it contains members that need to be checked
if value.type in self.validatedStructs:
if value.isconst: # or value.type in self.returnedonly_structs:
usedLines.append(self.expandStructPointerCode(valuePrefix, value, lenParam, funcName, valueDisplayName, postProcSpec))
elif value.type in self.returnedonly_structs:
usedLines.append(self.expandStructPointerCode(valuePrefix, value, lenParam, funcName, valueDisplayName, postProcSpec))
is_const_str = 'true' if value.isconst else 'false'
is_phys_device_str = 'true' if is_phys_device else 'false'
for setter, _, elem in multi_string_iter(usedLines):
elem = re.sub(r', (true|false)', '', elem)
m = validate_pnext_rx.match(elem)
if m is not None:
setter(f'{m.group(1)}, {is_phys_device_str}, {is_const_str}{m.group(2)}')
# Non-pointer types
else:
# The parameter will not be processes when tagged as 'noautovalidity'
# For the struct case, the struct type will not be validated, but any
# members not tagged as 'noautovalidity' will be validated
if value.noautovalidity:
# Log a diagnostic message when validation cannot be automatically generated and must be implemented manually
self.logMsg('diag', 'ParameterValidation: No validation for {} {}'.format(structTypeName if structTypeName else funcName, value.name))
else:
vuid_name_tag = structTypeName if structTypeName is not None else funcName
if value.type in self.structTypes:
stype = self.structTypes[value.type]
vuid = self.GetVuid(value.type, "sType-sType")
undefined_vuid = '"kVUIDUndefined"'
usedLines.append('skip |= validate_struct_type("{}", {ppp}"{}"{pps}, "{sv}", &({}{vn}), {sv}, false, kVUIDUndefined, {});\n'.format(
funcName, valueDisplayName, valuePrefix, vuid, vn=value.name, sv=stype, vt=value.type, **postProcSpec))
elif value.type in self.handleTypes:
if not self.isHandleOptional(value, None):
usedLines.append('skip |= validate_required_handle("{}", {ppp}"{}"{pps}, {}{});\n'.format(funcName, valueDisplayName, valuePrefix, value.name, **postProcSpec))
elif value.type in self.flags and value.type.replace('Flags', 'FlagBits') not in self.flagBits:
vuid = self.GetVuid(vuid_name_tag, "%s-zerobitmask" % (value.name))
usedLines.append('skip |= validate_reserved_flags("{}", {ppp}"{}"{pps}, {pf}{}, {});\n'.format(funcName, valueDisplayName, value.name, vuid, pf=valuePrefix, **postProcSpec))
elif value.type in self.flags or value.type in self.flagBits:
if value.type in self.flags:
flagBitsName = value.type.replace('Flags', 'FlagBits')
flagsType = 'kOptionalFlags' if value.isoptional else 'kRequiredFlags'
invalidVuid = self.GetVuid(vuid_name_tag, "%s-parameter" % (value.name))
zeroVuid = self.GetVuid(vuid_name_tag, "%s-requiredbitmask" % (value.name))
elif value.type in self.flagBits:
flagBitsName = value.type
flagsType = 'kOptionalSingleBit' if value.isoptional else 'kRequiredSingleBit'
invalidVuid = self.GetVuid(vuid_name_tag, "%s-parameter" % (value.name))
zeroVuid = invalidVuid
allFlagsName = 'All' + flagBitsName
invalid_vuid = self.GetVuid(vuid_name_tag, "%s-parameter" % (value.name))
allFlagsName = 'All' + flagBitsName
zeroVuidArg = '' if value.isoptional else ', ' + zeroVuid
usedLines.append('skip |= validate_flags("{}", {ppp}"{}"{pps}, "{}", {}, {pf}{}, {}, {}{});\n'.format(funcName, valueDisplayName, flagBitsName, allFlagsName, value.name, flagsType, invalidVuid, zeroVuidArg, pf=valuePrefix, **postProcSpec))
elif value.isbool:
usedLines.append('skip |= validate_bool32("{}", {ppp}"{}"{pps}, {}{});\n'.format(funcName, valueDisplayName, valuePrefix, value.name, **postProcSpec))
elif value.israngedenum:
vuid = self.GetVuid(vuid_name_tag, "%s-parameter" % (value.name))
enum_value_list = 'All%sEnums' % value.type
usedLines.append('skip |= validate_ranged_enum("{}", {ppp}"{}"{pps}, "{}", {}, {}{}, {});\n'.format(funcName, valueDisplayName, value.type, enum_value_list, valuePrefix, value.name, vuid, **postProcSpec))
# If this is a struct, see if it contains members that need to be checked
if value.type in self.validatedStructs:
memberNamePrefix = '{}{}.'.format(valuePrefix, value.name)
memberDisplayNamePrefix = '{}.'.format(valueDisplayName)
usedLines.append(self.expandStructCode(value.type, funcName, memberNamePrefix, memberDisplayNamePrefix, '', [], postProcSpec))
# Append the parameter check to the function body for the current command
if usedLines:
# Apply special conditional checks
if value.condition:
usedLines = self.genConditionalCall(valuePrefix, value.condition, usedLines)
lines += usedLines
elif not value.iscount:
# If no expression was generated for this value, it is unreferenced by the validation function, unless
# it is an array count, which is indirectly referenced for array valiadation.
unused.append(value.name)
if not lines:
lines.append('// No xml-driven validation\n')
return lines, unused
#
# Generate the struct member check code from the captured data
def processStructMemberData(self):
indent = self.incIndent(None)
for struct in self.structMembers:
#
# The string returned by genFuncBody will be nested in an if check for a NULL pointer, so needs its indent incremented
lines, unused = self.genFuncBody('{funcName}', struct.members, '{valuePrefix}', '{displayNamePrefix}', struct.name)
if lines:
self.validatedStructs[struct.name] = lines
#
# Generate the command param check code from the captured data
def processCmdData(self):
indent = self.incIndent(None)
for command in self.commands:
# Skip first parameter if it is a dispatch handle (everything except vkCreateInstance)
startIndex = 0 if command.name == 'vkCreateInstance' else 1
lines, unused = self.genFuncBody(command.name, command.params[startIndex:], '', '', None, is_phys_device = command.params[0].type == 'VkPhysicalDevice')
# Cannot validate extension dependencies for device extension APIs having a physical device as their dispatchable object
if (command.name in self.required_extensions) and (self.extension_type != 'device' or command.params[0].type != 'VkPhysicalDevice'):
for ext in self.required_extensions[command.name]:
ext_name_define = ''
for extension in self.registry.extensions:
if extension.attrib['name'] == ext:
ext_name_define = GetNameDefine(extension)
break
ext_test = ''
if command.params[0].type in ["VkInstance", "VkPhysicalDevice"] or command.name == 'vkCreateInstance':
ext_test = 'if (!instance_extensions.%s) skip |= OutputExtensionError("%s", %s);\n' % (ext.lower(), command.name, ext_name_define)
else:
ext_test = 'if (!IsExtEnabled(device_extensions.%s)) skip |= OutputExtensionError("%s", %s);\n' % (ext.lower(), command.name, ext_name_define)
lines.insert(0, ext_test)
if lines:
func_sig = self.getCmdDef(command) + ' const {\n'
func_sig = func_sig.split('VKAPI_CALL vk')[1]
cmdDef = 'bool StatelessValidation::PreCallValidate' + func_sig
cmdDef += '%sbool skip = false;\n' % indent
if isinstance(command.promotion_info, list):
version_flag = command.promotion_info[1]
version_id = version_flag.replace('VK_VERSION', 'VK_API_VERSION')
cmdDef += '%s if (CheckPromotedApiAgainstVulkanVersion(%s, "%s", %s)) return true;\n' % (indent, command.promotion_info[0], command.name, version_id)
for line in lines:
if type(line) is list:
for sub in line:
cmdDef += indent + sub
else:
cmdDef += indent + line
# Insert call to custom-written function if present
if command.name in self.functions_with_manual_checks:
# Generate parameter list for manual fcn and down-chain calls
params_text = ''
for param in command.params:
params_text += '%s, ' % param.name
params_text = params_text[:-2] + ');\n'
cmdDef += ' if (!skip) skip |= manual_PreCallValidate'+ command.name[2:] + '(' + params_text
cmdDef += '%sreturn skip;\n' % indent
cmdDef += '}\n'
self.validation.append(cmdDef)