| #!/usr/bin/python3 -i |
| # |
| # Copyright (c) 2015-2019 The Khronos Group Inc. |
| # Copyright (c) 2015-2019 Valve Corporation |
| # Copyright (c) 2015-2019 LunarG, Inc. |
| # Copyright (c) 2015-2019 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 * |
| |
| # This is a workaround to use a Python 2.7 and 3.x compatible syntax. |
| from io import open |
| |
| # ParameterValidationGeneratorOptions - subclass of GeneratorOptions. |
| # |
| # Adds options used by ParameterValidationOutputGenerator object during Parameter validation 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 ParameterValidationGeneratorOptions(GeneratorOptions): |
| def __init__(self, |
| conventions = None, |
| filename = None, |
| directory = '.', |
| apiname = None, |
| profile = None, |
| versions = '.*', |
| emitversions = '.*', |
| defaultExtensions = None, |
| addExtensions = None, |
| removeExtensions = None, |
| emitExtensions = None, |
| sortProcedure = regSortFeatures, |
| prefixText = "", |
| apicall = '', |
| apientry = '', |
| apientryp = '', |
| indentFuncProto = True, |
| indentFuncPointer = False, |
| alignFuncParam = 0, |
| expandEnumerants = True, |
| valid_usage_path = ''): |
| GeneratorOptions.__init__(self, conventions, filename, directory, apiname, profile, |
| versions, emitversions, defaultExtensions, |
| addExtensions, removeExtensions, emitExtensions, sortProcedure) |
| self.prefixText = prefixText |
| 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', |
| 'vkCreateRenderPass2KHR', |
| 'vkCreateBuffer', |
| 'vkCreateImage', |
| 'vkCreateGraphicsPipelines', |
| 'vkCreateComputePipelines', |
| 'vkCreateRayTracingPipelinesNV', |
| 'vkCreateSampler', |
| 'vkCreateDescriptorSetLayout', |
| 'vkFreeDescriptorSets', |
| 'vkUpdateDescriptorSets', |
| 'vkBeginCommandBuffer', |
| 'vkCmdSetViewport', |
| 'vkCmdSetScissor', |
| 'vkCmdSetLineWidth', |
| 'vkCmdDraw', |
| 'vkCmdDrawIndirect', |
| 'vkCmdDrawIndexedIndirect', |
| 'vkCmdClearAttachments', |
| 'vkCmdCopyImage', |
| 'vkCmdBindIndexBuffer', |
| 'vkCmdBlitImage', |
| 'vkCmdCopyBufferToImage', |
| 'vkCmdCopyImageToBuffer', |
| 'vkCmdUpdateBuffer', |
| 'vkCmdFillBuffer', |
| 'vkCreateSwapchainKHR', |
| 'vkQueuePresentKHR', |
| 'vkCreateDescriptorPool', |
| 'vkCmdDispatch', |
| 'vkCmdDispatchIndirect', |
| 'vkCmdDispatchBaseKHR', |
| 'vkCmdSetExclusiveScissorNV', |
| 'vkCmdSetViewportShadingRatePaletteNV', |
| 'vkCmdSetCoarseSampleOrderNV', |
| 'vkCmdDrawMeshTasksNV', |
| 'vkCmdDrawMeshTasksIndirectNV', |
| 'vkCmdDrawMeshTasksIndirectCountNV', |
| 'vkAllocateMemory', |
| 'vkCreateAccelerationStructureNV', |
| 'vkGetAccelerationStructureHandleNV', |
| 'vkCmdBuildAccelerationStructureNV', |
| 'vkCreateFramebuffer', |
| 'vkCmdSetLineStippleEXT', |
| 'vkSetDebugUtilsObjectNameEXT', |
| 'vkSetDebugUtilsObjectTagEXT', |
| 'vkCmdSetViewportWScalingNV', |
| 'vkAcquireNextImageKHR', |
| 'vkAcquireNextImage2KHR', |
| ] |
| |
| # Commands to ignore |
| self.blacklist = [ |
| 'vkGetInstanceProcAddr', |
| 'vkGetDeviceProcAddr', |
| 'vkEnumerateInstanceVersion', |
| 'vkEnumerateInstanceLayerProperties', |
| 'vkEnumerateInstanceExtensionProperties', |
| 'vkEnumerateDeviceLayerProperties', |
| 'vkEnumerateDeviceExtensionProperties', |
| 'vkGetDeviceGroupSurfacePresentModes2EXT' |
| ] |
| |
| # Structure fields to ignore |
| self.structMemberBlacklist = { 'VkWriteDescriptorSet' : ['dstSet'] } |
| # 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 = dict() # Map of enum name to BEGIN/END range values |
| self.enumValueLists = '' # String containing enumerated type map definitions |
| 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.returnedonly_structs = [] |
| # 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']) |
| 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) 2015-2019 The Khronos Group Inc.\n' |
| copyright += ' * Copyright (c) 2015-2019 LunarG, Inc.\n' |
| copyright += ' * Copyright (C) 2015-2019 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 |
| |
| # 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') |
| 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() |
| write(self.enumValueLists, file=self.outFile) |
| self.newline() |
| |
| pnext_handler = 'bool StatelessValidation::ValidatePnextStructContents(const char *api_name, const ParameterName ¶meter_name, const VkBaseOutStructure* header) 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' |
| 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: {\n' % self.structTypes[item] |
| pnext_case += ' %s *structure = (%s *) header;\n' % (item, item) |
| expr = self.expandStructCode(item, item, 'structure->', '', ' ', [], postProcSpec) |
| struct_validation_source = self.ScrubStructCode(expr) |
| pnext_case += '%s' % struct_validation_source |
| pnext_case += ' } break;\n' |
| if protect: |
| pnext_case += '#endif // %s\n' % protect |
| # Skip functions containing no validation |
| if struct_validation_source: |
| pnext_handler += pnext_case; |
| 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 log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,\n' |
| ext_template += ' kVUID_PVError_ExtensionNotEnabled, "Attemped 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: |
| # Save Name Define to get correct enable name later |
| nameElem = interface[0][1] |
| name = nameElem.get('name') |
| 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') |
| # |
| # 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) |
| self.newline() |
| # 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 += ';' |
| write(decl, file=self.outFile) |
| 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 = [] |
| 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) |
| |
| # 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 |
| structextends = False |
| membersInfo.append(self.CommandParam(type=type, name=name, |
| ispointer=self.paramIsPointer(member), |
| isstaticarray=isstaticarray, |
| isbool=True if type == 'VkBool32' else False, |
| israngedenum=True if type in self.enumRanges else False, |
| isconst=True if 'const' in cdecl else False, |
| 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 typeinfo.elem.attrib.get('returnedonly') is not None: |
| 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[groupName] = (expandPrefix + '_BEGIN_RANGE' + expandSuffix, expandPrefix + '_END_RANGE' + expandSuffix) |
| # Create definition for a list containing valid enum values for this enumerated type |
| if self.featureExtraProtect is not None: |
| enum_entry = '\n#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 += '};\n' |
| if self.featureExtraProtect is not None: |
| enum_entry += '#endif // %s\n' % self.featureExtraProtect |
| self.enumValueLists += 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 = str(decl).replace(';', ' const;') |
| 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) |
| # 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=self.paramIsPointer(param), |
| isstaticarray=self.paramIsStaticArray(param), |
| isbool=True if paramInfo[0] == 'VkBool32' else False, |
| israngedenum=True if paramInfo[0] in self.enumRanges else False, |
| isconst=True if 'const' in cdecl else False, |
| 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 = '' |
| resultinfo = cmdinfo.elem.find('proto/type') |
| if (resultinfo is not None and resultinfo.text != 'void'): |
| result_type = resultinfo.text |
| self.commands.append(self.CommandData(name=name, params=paramsInfo, cdecl=self.makeCDecls(cmdinfo.elem)[0], extension_type=self.extension_type, result=result_type)) |
| # |
| # 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 |
| 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 |
| result = str(result).replace('::', '->') |
| 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 |
| # |
| # Extract length values from latexmath. Currently an inflexible solution that looks for specific |
| # patterns that are found in vk.xml. Will need to be updated when new patterns are introduced. |
| def parseLateXMath(self, source): |
| name = 'ERROR' |
| decoratedName = 'ERROR' |
| if 'mathit' in source: |
| # Matches expressions similar to 'latexmath:[\lceil{\mathit{rasterizationSamples} \over 32}\rceil]' |
| match = re.match(r'latexmath\s*\:\s*\[\s*\\l(\w+)\s*\{\s*\\mathit\s*\{\s*(\w+)\s*\}\s*\\over\s*(\d+)\s*\}\s*\\r(\w+)\s*\]', source) |
| if not match or match.group(1) != match.group(4): |
| raise 'Unrecognized latexmath expression' |
| name = match.group(2) |
| decoratedName = '{}({}/{})'.format(*match.group(1, 2, 3)) |
| else: |
| # Matches expressions similar to 'latexmath : [dataSize \over 4]' |
| match = re.match(r'latexmath\s*\:\s*\[\s*(\\textrm\{)?(\w+)\}?\s*\\over\s*(\d+)\s*\]', source) |
| name = match.group(2) |
| decoratedName = '{}/{}'.format(*match.group(2, 3)) |
| return name, decoratedName |
| # |
| # Get the length paramater record for the specified parameter name |
| def getLenParam(self, params, name): |
| lenParam = None |
| if name: |
| if '->' in name: |
| # The count is obtained by dereferencing a member of a struct parameter |
| lenParam = self.CommandParam(name=name, iscount=True, ispointer=False, isbool=False, israngedenum=False, isconst=False, |
| isstaticarray=None, isoptional=False, type=None, noautovalidity=False, |
| len=None, extstructs=None, condition=None, cdecl=None) |
| elif 'latexmath' in name: |
| lenName, decoratedName = self.parseLateXMath(name) |
| lenParam = self.getParamByName(params, lenName) |
| else: |
| lenParam = self.getParamByName(params, name) |
| 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" % lenValue.name) |
| |
| # This is an array with a pointer to a count value |
| if 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=lenValue.name, 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=lenValue.name, 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: |
| # 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, ln=lenValue.name, 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, lenValue.name, 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' |
| vuid = self.GetVuid(struct_type_name, "pNext-pNext") |
| 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, vuid, **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: |
| count_required_vuid = self.GetVuid(vuid_tag_name, "%s-arraylength" % (lenValue.name)) |
| 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: |
| # 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=lenValue.name, 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': |
| 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=lenValue.name, 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=lenValue.name, ldn=lenPrintName, dn=valuePrintName, vn=value.name, pf=prefix, **postProcSpec)) |
| if checkExpr: |
| if lenValue and ('->' in lenValue.name): |
| # Add checks to ensure the validation call does not dereference a NULL pointer to obtain the count |
| checkExpr = self.genCheckedLengthCall(lenValue.name, 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 = lenValue.name.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, lenValue.name, iname=indexName)) |
| else: |
| expr.append(indent + 'for (uint32_t {iname} = 0; {iname} < {}{}; ++{iname})\n'.format(prefix, lenValue.name, 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): |
| lines = [] # Generated lines of code |
| unused = [] # Unused variable names |
| 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 |
| # 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) |
| lenDisplayName = '{}{}'.format(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' |
| else: |
| if lenParam.isoptional: |
| 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: |
| # 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: |
| 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, lenParam.name, 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, lenParam.name, value.name, cvReq, req, pf=valuePrefix, **postProcSpec)) |
| elif value.name == 'pNext' and value.isconst: |
| 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)) |
| # 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) |
| # 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'): |
| ext_test = '' |
| if command.params[0].type in ["VkInstance", "VkPhysicalDevice"] or command.name == 'vkCreateInstance': |
| ext_table_type = 'instance' |
| else: |
| ext_table_type = 'device' |
| for ext in self.required_extensions[command.name]: |
| ext_name_define = '' |
| ext_enable_name = '' |
| for extension in self.registry.extensions: |
| if extension.attrib['name'] == ext: |
| ext_name_define = extension[0][1].get('name') |
| ext_enable_name = ext_name_define.lower() |
| ext_enable_name = re.sub('_extension_name', '', ext_enable_name) |
| break |
| ext_test = 'if (!%s_extensions.%s) skip |= OutputExtensionError("%s", %s);\n' % (ext_table_type, ext_enable_name, 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 |
| 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) |
