| #!/usr/bin/python3 -i |
| # |
| # Copyright (c) 2015-2016 The Khronos Group Inc. |
| # Copyright (c) 2015-2016 Valve Corporation |
| # Copyright (c) 2015-2016 LunarG, Inc. |
| # Copyright (c) 2015-2016 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: Tobin Ehlis <tobine@google.com> |
| # Author: Mark Lobodzinski <mark@lunarg.com> |
| |
| import os,re,sys |
| import xml.etree.ElementTree as etree |
| from generator import * |
| from collections import namedtuple |
| |
| # UniqueObjectsGeneratorOptions - subclass of GeneratorOptions. |
| # |
| # Adds options used by UniqueObjectsOutputGenerator objects during |
| # unique objects 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 UniqueObjectsGeneratorOptions(GeneratorOptions): |
| def __init__(self, |
| filename = None, |
| directory = '.', |
| apiname = None, |
| profile = None, |
| versions = '.*', |
| emitversions = '.*', |
| defaultExtensions = None, |
| addExtensions = None, |
| removeExtensions = None, |
| sortProcedure = regSortFeatures, |
| prefixText = "", |
| genFuncPointers = True, |
| protectFile = True, |
| protectFeature = True, |
| protectProto = None, |
| protectProtoStr = None, |
| apicall = '', |
| apientry = '', |
| apientryp = '', |
| indentFuncProto = True, |
| indentFuncPointer = False, |
| alignFuncParam = 0): |
| GeneratorOptions.__init__(self, filename, directory, apiname, profile, |
| versions, emitversions, defaultExtensions, |
| addExtensions, removeExtensions, sortProcedure) |
| self.prefixText = prefixText |
| self.genFuncPointers = genFuncPointers |
| self.protectFile = protectFile |
| self.protectFeature = protectFeature |
| self.protectProto = protectProto |
| self.protectProtoStr = protectProtoStr |
| self.apicall = apicall |
| self.apientry = apientry |
| self.apientryp = apientryp |
| self.indentFuncProto = indentFuncProto |
| self.indentFuncPointer = indentFuncPointer |
| self.alignFuncParam = alignFuncParam |
| |
| # UniqueObjectsOutputGenerator - subclass of OutputGenerator. |
| # Generates unique objects layer non-dispatchable handle-wrapping code. |
| # |
| # ---- methods ---- |
| # UniqueObjectsOutputGenerator(errFile, warnFile, diagFile) - args as for OutputGenerator. Defines additional internal state. |
| # ---- methods overriding base class ---- |
| # beginFile(genOpts) |
| # endFile() |
| # beginFeature(interface, emit) |
| # endFeature() |
| # genCmd(cmdinfo) |
| # genStruct() |
| # genType() |
| class UniqueObjectsOutputGenerator(OutputGenerator): |
| """Generate UniqueObjects code based on XML element attributes""" |
| # This is an ordered list of sections in the header file. |
| ALL_SECTIONS = ['command'] |
| def __init__(self, |
| errFile = sys.stderr, |
| warnFile = sys.stderr, |
| diagFile = sys.stdout): |
| OutputGenerator.__init__(self, errFile, warnFile, diagFile) |
| self.INDENT_SPACES = 4 |
| self.intercepts = [] |
| self.instance_extensions = [] |
| self.device_extensions = [] |
| # Commands which are not autogenerated but still intercepted |
| self.no_autogen_list = [ |
| 'vkGetDeviceProcAddr', |
| 'vkGetInstanceProcAddr', |
| 'vkCreateInstance', |
| 'vkDestroyInstance', |
| 'vkCreateDevice', |
| 'vkDestroyDevice', |
| 'vkCreateComputePipelines', |
| 'vkCreateGraphicsPipelines', |
| 'vkCreateSwapchainKHR', |
| 'vkCreateSharedSwapchainsKHR', |
| 'vkGetSwapchainImagesKHR', |
| 'vkDestroySwapchainKHR', |
| 'vkQueuePresentKHR', |
| 'vkEnumerateInstanceLayerProperties', |
| 'vkEnumerateDeviceLayerProperties', |
| 'vkEnumerateInstanceExtensionProperties', |
| 'vkCreateDescriptorUpdateTemplateKHR', |
| 'vkDestroyDescriptorUpdateTemplateKHR', |
| 'vkUpdateDescriptorSetWithTemplateKHR', |
| 'vkCmdPushDescriptorSetWithTemplateKHR', |
| 'vkDebugMarkerSetObjectTagEXT', |
| 'vkDebugMarkerSetObjectNameEXT', |
| 'vkGetPhysicalDeviceDisplayProperties2KHR', |
| 'vkGetPhysicalDeviceDisplayPlaneProperties2KHR', |
| 'vkGetDisplayModeProperties2KHR', |
| 'vkCreateRenderPass', |
| 'vkDestroyRenderPass', |
| ] |
| # Commands shadowed by interface functions and are not implemented |
| self.interface_functions = [ |
| 'vkGetPhysicalDeviceDisplayPropertiesKHR', |
| 'vkGetPhysicalDeviceDisplayPlanePropertiesKHR', |
| 'vkGetDisplayPlaneSupportedDisplaysKHR', |
| 'vkGetDisplayModePropertiesKHR', |
| 'vkGetDisplayPlaneCapabilitiesKHR', |
| # DebugReport APIs are hooked, but handled separately in the source file |
| 'vkCreateDebugReportCallbackEXT', |
| 'vkDestroyDebugReportCallbackEXT', |
| 'vkDebugReportMessageEXT', |
| ] |
| self.headerVersion = None |
| # Internal state - accumulators for different inner block text |
| self.sections = dict([(section, []) for section in self.ALL_SECTIONS]) |
| |
| self.cmdMembers = [] |
| self.cmd_feature_protect = [] # Save ifdef's for each command |
| self.cmd_info_data = [] # Save the cmdinfo data for wrapping the handles when processing is complete |
| self.structMembers = [] # List of StructMemberData records for all Vulkan structs |
| self.extension_structs = [] # List of all structs or sister-structs containing handles |
| # A sister-struct may contain no handles but shares a structextends attribute with one that does |
| self.structTypes = dict() # Map of Vulkan struct typename to required VkStructureType |
| self.struct_member_dict = dict() |
| # Named tuples to store struct and command data |
| self.StructType = namedtuple('StructType', ['name', 'value']) |
| self.CmdMemberData = namedtuple('CmdMemberData', ['name', 'members']) |
| self.CmdInfoData = namedtuple('CmdInfoData', ['name', 'cmdinfo']) |
| self.CmdExtraProtect = namedtuple('CmdExtraProtect', ['name', 'extra_protect']) |
| |
| self.CommandParam = namedtuple('CommandParam', ['type', 'name', 'ispointer', 'isconst', 'iscount', 'len', 'extstructs', 'cdecl', 'islocal', 'iscreate', 'isdestroy', 'feature_protect']) |
| self.StructMemberData = namedtuple('StructMemberData', ['name', 'members']) |
| # |
| def incIndent(self, indent): |
| inc = ' ' * self.INDENT_SPACES |
| if indent: |
| return indent + inc |
| return inc |
| # |
| def decIndent(self, indent): |
| if indent and (len(indent) > self.INDENT_SPACES): |
| return indent[:-self.INDENT_SPACES] |
| return '' |
| # |
| # Override makeProtoName to drop the "vk" prefix |
| def makeProtoName(self, name, tail): |
| return self.genOpts.apientry + name[2:] + tail |
| # |
| # Check if the parameter passed in is a pointer to an array |
| def paramIsArray(self, param): |
| return param.attrib.get('len') is not None |
| # |
| def beginFile(self, genOpts): |
| OutputGenerator.beginFile(self, genOpts) |
| # User-supplied prefix text, if any (list of strings) |
| if (genOpts.prefixText): |
| for s in genOpts.prefixText: |
| write(s, file=self.outFile) |
| # Namespace |
| self.newline() |
| write('namespace unique_objects {', file = self.outFile) |
| # Now that the data is all collected and complete, generate and output the wrapping/unwrapping routines |
| def endFile(self): |
| |
| self.struct_member_dict = dict(self.structMembers) |
| |
| # Generate the list of APIs that might need to handle wrapped extension structs |
| self.GenerateCommandWrapExtensionList() |
| # Write out wrapping/unwrapping functions |
| self.WrapCommands() |
| # Build and write out pNext processing function |
| extension_proc = self.build_extension_processing_func() |
| self.newline() |
| write('// Unique Objects pNext extension handling function', file=self.outFile) |
| write('%s' % extension_proc, file=self.outFile) |
| |
| # Actually write the interface to the output file. |
| if (self.emit): |
| self.newline() |
| if (self.featureExtraProtect != None): |
| write('#ifdef', self.featureExtraProtect, file=self.outFile) |
| # Write the unique_objects code to the file |
| if (self.sections['command']): |
| if (self.genOpts.protectProto): |
| write(self.genOpts.protectProto, |
| self.genOpts.protectProtoStr, file=self.outFile) |
| write('\n'.join(self.sections['command']), end=u'', file=self.outFile) |
| if (self.featureExtraProtect != None): |
| write('\n#endif //', self.featureExtraProtect, file=self.outFile) |
| else: |
| self.newline() |
| |
| # Record intercepted procedures |
| write('// Map of all APIs to be intercepted by this layer', file=self.outFile) |
| write('static const std::unordered_map<std::string, void*> name_to_funcptr_map = {', file=self.outFile) |
| write('\n'.join(self.intercepts), file=self.outFile) |
| write('};\n', file=self.outFile) |
| self.newline() |
| write('} // namespace unique_objects', file=self.outFile) |
| # Finish processing in superclass |
| OutputGenerator.endFile(self) |
| # |
| def beginFeature(self, interface, emit): |
| # Start processing in superclass |
| OutputGenerator.beginFeature(self, interface, emit) |
| self.headerVersion = None |
| |
| if self.featureName != 'VK_VERSION_1_0': |
| white_list_entry = [] |
| if (self.featureExtraProtect != None): |
| white_list_entry += [ '#ifdef %s' % self.featureExtraProtect ] |
| white_list_entry += [ '"%s"' % self.featureName ] |
| if (self.featureExtraProtect != None): |
| white_list_entry += [ '#endif' ] |
| featureType = interface.get('type') |
| if featureType == 'instance': |
| self.instance_extensions += white_list_entry |
| elif featureType == 'device': |
| self.device_extensions += white_list_entry |
| # |
| def endFeature(self): |
| # Finish processing in superclass |
| OutputGenerator.endFeature(self) |
| # |
| def genType(self, typeinfo, name): |
| OutputGenerator.genType(self, typeinfo, name) |
| typeElem = typeinfo.elem |
| # If the type is a struct type, traverse the imbedded <member> tags generating a structure. |
| # Otherwise, emit the tag text. |
| category = typeElem.get('category') |
| if (category == 'struct' or category == 'union'): |
| self.genStruct(typeinfo, name) |
| # |
| # Append a definition to the specified section |
| def appendSection(self, section, text): |
| # self.sections[section].append('SECTION: ' + section + '\n') |
| self.sections[section].append(text) |
| # |
| # Check if the parameter passed in is a pointer |
| def paramIsPointer(self, param): |
| ispointer = False |
| for elem in param: |
| if ((elem.tag is not 'type') and (elem.tail is not None)) and '*' in elem.tail: |
| ispointer = True |
| return ispointer |
| # |
| # Get the category of a type |
| def getTypeCategory(self, typename): |
| types = self.registry.tree.findall("types/type") |
| for elem in types: |
| if (elem.find("name") is not None and elem.find('name').text == typename) or elem.attrib.get('name') == typename: |
| return elem.attrib.get('category') |
| # |
| # Check if a parent object is dispatchable or not |
| def isHandleTypeNonDispatchable(self, handletype): |
| handle = self.registry.tree.find("types/type/[name='" + handletype + "'][@category='handle']") |
| if handle is not None and handle.find('type').text == 'VK_DEFINE_NON_DISPATCHABLE_HANDLE': |
| return True |
| else: |
| return False |
| # |
| # Retrieve the type and name for a parameter |
| def getTypeNameTuple(self, param): |
| type = '' |
| name = '' |
| for elem in param: |
| if elem.tag == 'type': |
| type = noneStr(elem.text) |
| elif elem.tag == 'name': |
| name = noneStr(elem.text) |
| return (type, name) |
| # |
| # Retrieve the value of the len tag |
| def getLen(self, param): |
| result = None |
| len = param.attrib.get('len') |
| if len and len != 'null-terminated': |
| # For string arrays, 'len' can look like 'count,null-terminated', indicating that we |
| # have a null terminated array of strings. We strip the null-terminated from the |
| # 'len' field and only return the parameter specifying the string count |
| if 'null-terminated' in len: |
| result = len.split(',')[0] |
| else: |
| result = len |
| # Spec has now notation for len attributes, using :: instead of platform specific pointer symbol |
| result = str(result).replace('::', '->') |
| return result |
| # |
| # Generate a VkStructureType based on a structure typename |
| def genVkStructureType(self, typename): |
| # Add underscore between lowercase then uppercase |
| value = re.sub('([a-z0-9])([A-Z])', r'\1_\2', typename) |
| # Change to uppercase |
| value = value.upper() |
| # Add STRUCTURE_TYPE_ |
| return re.sub('VK_', 'VK_STRUCTURE_TYPE_', value) |
| # |
| # Struct parameter check generation. |
| # This is a special case of the <type> tag where the contents are interpreted as a set of |
| # <member> tags instead of freeform C type declarations. The <member> tags are just like |
| # <param> tags - they are a declaration of a struct or union member. Only simple member |
| # declarations are supported (no nested structs etc.) |
| def genStruct(self, typeinfo, typeName): |
| OutputGenerator.genStruct(self, typeinfo, typeName) |
| members = typeinfo.elem.findall('.//member') |
| # Iterate over members once to get length parameters for arrays |
| lens = set() |
| for member in members: |
| len = self.getLen(member) |
| if len: |
| lens.add(len) |
| # Generate member info |
| membersInfo = [] |
| for member in members: |
| # Get the member's type and name |
| info = self.getTypeNameTuple(member) |
| type = info[0] |
| name = info[1] |
| cdecl = self.makeCParamDecl(member, 0) |
| # Process VkStructureType |
| if type == 'VkStructureType': |
| # Extract the required struct type value from the comments |
| # embedded in the original text defining the 'typeinfo' element |
| rawXml = etree.tostring(typeinfo.elem).decode('ascii') |
| result = re.search(r'VK_STRUCTURE_TYPE_\w+', rawXml) |
| if result: |
| value = result.group(0) |
| else: |
| value = self.genVkStructureType(typeName) |
| # Store the required type value |
| self.structTypes[typeName] = self.StructType(name=name, value=value) |
| # Store pointer/array/string info |
| extstructs = self.registry.validextensionstructs[typeName] if name == 'pNext' else None |
| membersInfo.append(self.CommandParam(type=type, |
| name=name, |
| ispointer=self.paramIsPointer(member), |
| isconst=True if 'const' in cdecl else False, |
| iscount=True if name in lens else False, |
| len=self.getLen(member), |
| extstructs=extstructs, |
| cdecl=cdecl, |
| islocal=False, |
| iscreate=False, |
| isdestroy=False, |
| feature_protect=self.featureExtraProtect)) |
| self.structMembers.append(self.StructMemberData(name=typeName, members=membersInfo)) |
| |
| # |
| # Insert a lock_guard line |
| def lock_guard(self, indent): |
| return '%sstd::lock_guard<std::mutex> lock(global_lock);\n' % indent |
| # |
| # Determine if a struct has an NDO as a member or an embedded member |
| def struct_contains_ndo(self, struct_item): |
| struct_member_dict = dict(self.structMembers) |
| struct_members = struct_member_dict[struct_item] |
| |
| for member in struct_members: |
| if self.isHandleTypeNonDispatchable(member.type): |
| return True |
| elif member.type in struct_member_dict: |
| if self.struct_contains_ndo(member.type) == True: |
| return True |
| return False |
| # |
| # Return list of struct members which contain, or which sub-structures contain |
| # an NDO in a given list of parameters or members |
| def getParmeterStructsWithNdos(self, item_list): |
| struct_list = set() |
| for item in item_list: |
| paramtype = item.find('type') |
| typecategory = self.getTypeCategory(paramtype.text) |
| if typecategory == 'struct': |
| if self.struct_contains_ndo(paramtype.text) == True: |
| struct_list.add(item) |
| return struct_list |
| # |
| # Return list of non-dispatchable objects from a given list of parameters or members |
| def getNdosInParameterList(self, item_list, create_func): |
| ndo_list = set() |
| if create_func == True: |
| member_list = item_list[0:-1] |
| else: |
| member_list = item_list |
| for item in member_list: |
| if self.isHandleTypeNonDispatchable(paramtype.text): |
| ndo_list.add(item) |
| return ndo_list |
| # |
| # Construct list of extension structs containing handles, or extension structs that share a structextends attribute |
| # WITH an extension struct containing handles. All extension structs in any pNext chain will have to be copied. |
| # TODO: make this recursive -- structs buried three or more levels deep are not searched for extensions |
| def GenerateCommandWrapExtensionList(self): |
| for struct in self.structMembers: |
| if (len(struct.members) > 1) and struct.members[1].extstructs is not None: |
| found = False; |
| for item in struct.members[1].extstructs: |
| if item != '' and self.struct_contains_ndo(item) == True: |
| found = True |
| if found == True: |
| for item in struct.members[1].extstructs: |
| if item != '' and item not in self.extension_structs: |
| self.extension_structs.append(item) |
| # |
| # Returns True if a struct may have a pNext chain containing an NDO |
| def StructWithExtensions(self, struct_type): |
| if struct_type in self.struct_member_dict: |
| param_info = self.struct_member_dict[struct_type] |
| if (len(param_info) > 1) and param_info[1].extstructs is not None: |
| for item in param_info[1].extstructs: |
| if item in self.extension_structs: |
| return True |
| return False |
| # |
| # Generate pNext handling function |
| def build_extension_processing_func(self): |
| # Construct helper functions to build and free pNext extension chains |
| pnext_proc = '' |
| pnext_proc += 'void *CreateUnwrappedExtensionStructs(const void *pNext) {\n' |
| pnext_proc += ' void *cur_pnext = const_cast<void *>(pNext);\n' |
| pnext_proc += ' void *head_pnext = NULL;\n' |
| pnext_proc += ' void *prev_ext_struct = NULL;\n' |
| pnext_proc += ' void *cur_ext_struct = NULL;\n\n' |
| pnext_proc += ' while (cur_pnext != NULL) {\n' |
| pnext_proc += ' GenericHeader *header = reinterpret_cast<GenericHeader *>(cur_pnext);\n\n' |
| pnext_proc += ' switch (header->sType) {\n' |
| for item in self.extension_structs: |
| struct_info = self.struct_member_dict[item] |
| if struct_info[0].feature_protect is not None: |
| pnext_proc += '#ifdef %s \n' % struct_info[0].feature_protect |
| pnext_proc += ' case %s: {\n' % self.structTypes[item].value |
| pnext_proc += ' safe_%s *safe_struct = new safe_%s;\n' % (item, item) |
| pnext_proc += ' safe_struct->initialize(reinterpret_cast<const %s *>(cur_pnext));\n' % item |
| # Generate code to unwrap the handles |
| indent = ' ' |
| (tmp_decl, tmp_pre, tmp_post) = self.uniquify_members(struct_info, indent, 'safe_struct->', 0, False, False, False, False) |
| pnext_proc += tmp_pre |
| pnext_proc += ' cur_ext_struct = reinterpret_cast<void *>(safe_struct);\n' |
| pnext_proc += ' } break;\n' |
| if struct_info[0].feature_protect is not None: |
| pnext_proc += '#endif // %s \n' % struct_info[0].feature_protect |
| pnext_proc += '\n' |
| pnext_proc += ' default:\n' |
| pnext_proc += ' break;\n' |
| pnext_proc += ' }\n\n' |
| pnext_proc += ' // Save pointer to the first structure in the pNext chain\n' |
| pnext_proc += ' head_pnext = (head_pnext ? head_pnext : cur_ext_struct);\n\n' |
| pnext_proc += ' // For any extension structure but the first, link the last struct\'s pNext to the current ext struct\n' |
| pnext_proc += ' if (prev_ext_struct) {\n' |
| pnext_proc += ' (reinterpret_cast<GenericHeader *>(prev_ext_struct))->pNext = cur_ext_struct;\n' |
| pnext_proc += ' }\n' |
| pnext_proc += ' prev_ext_struct = cur_ext_struct;\n\n' |
| pnext_proc += ' // Process the next structure in the chain\n' |
| pnext_proc += ' cur_pnext = const_cast<void *>(header->pNext);\n' |
| pnext_proc += ' }\n' |
| pnext_proc += ' return head_pnext;\n' |
| pnext_proc += '}\n\n' |
| pnext_proc += '// Free a pNext extension chain\n' |
| pnext_proc += 'void FreeUnwrappedExtensionStructs(void *head) {\n' |
| pnext_proc += ' void * curr_ptr = head;\n' |
| pnext_proc += ' while (curr_ptr) {\n' |
| pnext_proc += ' GenericHeader *header = reinterpret_cast<GenericHeader *>(curr_ptr);\n' |
| pnext_proc += ' void *temp = curr_ptr;\n' |
| pnext_proc += ' curr_ptr = header->pNext;\n' |
| pnext_proc += ' free(temp);\n' |
| pnext_proc += ' }\n' |
| pnext_proc += '}\n' |
| return pnext_proc |
| |
| # |
| # Generate source for creating a non-dispatchable object |
| def generate_create_ndo_code(self, indent, proto, params, cmd_info): |
| create_ndo_code = '' |
| handle_type = params[-1].find('type') |
| if self.isHandleTypeNonDispatchable(handle_type.text): |
| # Check for special case where multiple handles are returned |
| ndo_array = False |
| if cmd_info[-1].len is not None: |
| ndo_array = True; |
| handle_name = params[-1].find('name') |
| create_ndo_code += '%sif (VK_SUCCESS == result) {\n' % (indent) |
| indent = self.incIndent(indent) |
| create_ndo_code += '%sstd::lock_guard<std::mutex> lock(global_lock);\n' % (indent) |
| ndo_dest = '*%s' % handle_name.text |
| if ndo_array == True: |
| create_ndo_code += '%sfor (uint32_t index0 = 0; index0 < %s; index0++) {\n' % (indent, cmd_info[-1].len) |
| indent = self.incIndent(indent) |
| ndo_dest = '%s[index0]' % cmd_info[-1].name |
| create_ndo_code += '%s%s = WrapNew(%s);\n' % (indent, ndo_dest, ndo_dest) |
| if ndo_array == True: |
| indent = self.decIndent(indent) |
| create_ndo_code += '%s}\n' % indent |
| indent = self.decIndent(indent) |
| create_ndo_code += '%s}\n' % (indent) |
| return create_ndo_code |
| # |
| # Generate source for destroying a non-dispatchable object |
| def generate_destroy_ndo_code(self, indent, proto, cmd_info): |
| destroy_ndo_code = '' |
| ndo_array = False |
| if True in [destroy_txt in proto.text for destroy_txt in ['Destroy', 'Free']]: |
| # Check for special case where multiple handles are returned |
| if cmd_info[-1].len is not None: |
| ndo_array = True; |
| param = -1 |
| else: |
| param = -2 |
| if self.isHandleTypeNonDispatchable(cmd_info[param].type) == True: |
| if ndo_array == True: |
| # This API is freeing an array of handles. Remove them from the unique_id map. |
| destroy_ndo_code += '%sif ((VK_SUCCESS == result) && (%s)) {\n' % (indent, cmd_info[param].name) |
| indent = self.incIndent(indent) |
| destroy_ndo_code += '%sstd::unique_lock<std::mutex> lock(global_lock);\n' % (indent) |
| destroy_ndo_code += '%sfor (uint32_t index0 = 0; index0 < %s; index0++) {\n' % (indent, cmd_info[param].len) |
| indent = self.incIndent(indent) |
| destroy_ndo_code += '%s%s handle = %s[index0];\n' % (indent, cmd_info[param].type, cmd_info[param].name) |
| destroy_ndo_code += '%suint64_t unique_id = reinterpret_cast<uint64_t &>(handle);\n' % (indent) |
| destroy_ndo_code += '%sunique_id_mapping.erase(unique_id);\n' % (indent) |
| indent = self.decIndent(indent); |
| destroy_ndo_code += '%s}\n' % indent |
| indent = self.decIndent(indent); |
| destroy_ndo_code += '%s}\n' % indent |
| else: |
| # Remove a single handle from the map |
| destroy_ndo_code += '%sstd::unique_lock<std::mutex> lock(global_lock);\n' % (indent) |
| destroy_ndo_code += '%suint64_t %s_id = reinterpret_cast<uint64_t &>(%s);\n' % (indent, cmd_info[param].name, cmd_info[param].name) |
| destroy_ndo_code += '%s%s = (%s)unique_id_mapping[%s_id];\n' % (indent, cmd_info[param].name, cmd_info[param].type, cmd_info[param].name) |
| destroy_ndo_code += '%sunique_id_mapping.erase(%s_id);\n' % (indent, cmd_info[param].name) |
| destroy_ndo_code += '%slock.unlock();\n' % (indent) |
| return ndo_array, destroy_ndo_code |
| |
| # |
| # Clean up local declarations |
| def cleanUpLocalDeclarations(self, indent, prefix, name, len, index, process_pnext): |
| cleanup = '%sif (local_%s%s) {\n' % (indent, prefix, name) |
| if len is not None: |
| if process_pnext: |
| cleanup += '%s for (uint32_t %s = 0; %s < %s%s; ++%s) {\n' % (indent, index, index, prefix, len, index) |
| cleanup += '%s FreeUnwrappedExtensionStructs(const_cast<void *>(local_%s%s[%s].pNext));\n' % (indent, prefix, name, index) |
| cleanup += '%s }\n' % indent |
| cleanup += '%s delete[] local_%s%s;\n' % (indent, prefix, name) |
| else: |
| if process_pnext: |
| cleanup += '%s FreeUnwrappedExtensionStructs(const_cast<void *>(local_%s%s->pNext));\n' % (indent, prefix, name) |
| cleanup += '%s delete local_%s%s;\n' % (indent, prefix, name) |
| cleanup += "%s}\n" % (indent) |
| return cleanup |
| # |
| # Output UO code for a single NDO (ndo_count is NULL) or a counted list of NDOs |
| def outputNDOs(self, ndo_type, ndo_name, ndo_count, prefix, index, indent, destroy_func, destroy_array, top_level): |
| decl_code = '' |
| pre_call_code = '' |
| post_call_code = '' |
| if ndo_count is not None: |
| if top_level == True: |
| decl_code += '%s%s *local_%s%s = NULL;\n' % (indent, ndo_type, prefix, ndo_name) |
| pre_call_code += '%s if (%s%s) {\n' % (indent, prefix, ndo_name) |
| indent = self.incIndent(indent) |
| if top_level == True: |
| pre_call_code += '%s local_%s%s = new %s[%s];\n' % (indent, prefix, ndo_name, ndo_type, ndo_count) |
| pre_call_code += '%s for (uint32_t %s = 0; %s < %s; ++%s) {\n' % (indent, index, index, ndo_count, index) |
| indent = self.incIndent(indent) |
| pre_call_code += '%s local_%s%s[%s] = Unwrap(%s[%s]);\n' % (indent, prefix, ndo_name, index, ndo_name, index) |
| else: |
| pre_call_code += '%s for (uint32_t %s = 0; %s < %s; ++%s) {\n' % (indent, index, index, ndo_count, index) |
| indent = self.incIndent(indent) |
| pre_call_code += '%s %s%s[%s] = Unwrap(%s%s[%s]);\n' % (indent, prefix, ndo_name, index, prefix, ndo_name, index) |
| indent = self.decIndent(indent) |
| pre_call_code += '%s }\n' % indent |
| indent = self.decIndent(indent) |
| pre_call_code += '%s }\n' % indent |
| if top_level == True: |
| post_call_code += '%sif (local_%s%s)\n' % (indent, prefix, ndo_name) |
| indent = self.incIndent(indent) |
| post_call_code += '%sdelete[] local_%s;\n' % (indent, ndo_name) |
| else: |
| if top_level == True: |
| if (destroy_func == False) or (destroy_array == True): |
| pre_call_code += '%s %s = Unwrap(%s);\n' % (indent, ndo_name, ndo_name) |
| else: |
| # Make temp copy of this var with the 'local' removed. It may be better to not pass in 'local_' |
| # as part of the string and explicitly print it |
| fix = str(prefix).strip('local_'); |
| pre_call_code += '%s if (%s%s) {\n' % (indent, fix, ndo_name) |
| indent = self.incIndent(indent) |
| pre_call_code += '%s %s%s = Unwrap(%s%s);\n' % (indent, prefix, ndo_name, fix, ndo_name) |
| indent = self.decIndent(indent) |
| pre_call_code += '%s }\n' % indent |
| return decl_code, pre_call_code, post_call_code |
| # |
| # first_level_param indicates if elements are passed directly into the function else they're below a ptr/struct |
| # create_func means that this is API creates or allocates NDOs |
| # destroy_func indicates that this API destroys or frees NDOs |
| # destroy_array means that the destroy_func operated on an array of NDOs |
| def uniquify_members(self, members, indent, prefix, array_index, create_func, destroy_func, destroy_array, first_level_param): |
| decls = '' |
| pre_code = '' |
| post_code = '' |
| index = 'index%s' % str(array_index) |
| array_index += 1 |
| # Process any NDOs in this structure and recurse for any sub-structs in this struct |
| for member in members: |
| process_pnext = self.StructWithExtensions(member.type) |
| # Handle NDOs |
| if self.isHandleTypeNonDispatchable(member.type) == True: |
| count_name = member.len |
| if (count_name is not None): |
| if first_level_param == False: |
| count_name = '%s%s' % (prefix, member.len) |
| |
| if (first_level_param == False) or (create_func == False): |
| (tmp_decl, tmp_pre, tmp_post) = self.outputNDOs(member.type, member.name, count_name, prefix, index, indent, destroy_func, destroy_array, first_level_param) |
| decls += tmp_decl |
| pre_code += tmp_pre |
| post_code += tmp_post |
| # Handle Structs that contain NDOs at some level |
| elif member.type in self.struct_member_dict: |
| # Structs at first level will have an NDO, OR, we need a safe_struct for the pnext chain |
| if self.struct_contains_ndo(member.type) == True or process_pnext: |
| struct_info = self.struct_member_dict[member.type] |
| # Struct Array |
| if member.len is not None: |
| # Update struct prefix |
| if first_level_param == True: |
| new_prefix = 'local_%s' % member.name |
| # Declare safe_VarType for struct |
| decls += '%ssafe_%s *%s = NULL;\n' % (indent, member.type, new_prefix) |
| else: |
| new_prefix = '%s%s' % (prefix, member.name) |
| pre_code += '%s if (%s%s) {\n' % (indent, prefix, member.name) |
| indent = self.incIndent(indent) |
| if first_level_param == True: |
| pre_code += '%s %s = new safe_%s[%s];\n' % (indent, new_prefix, member.type, member.len) |
| pre_code += '%s for (uint32_t %s = 0; %s < %s%s; ++%s) {\n' % (indent, index, index, prefix, member.len, index) |
| indent = self.incIndent(indent) |
| if first_level_param == True: |
| pre_code += '%s %s[%s].initialize(&%s[%s]);\n' % (indent, new_prefix, index, member.name, index) |
| if process_pnext: |
| pre_code += '%s %s[%s].pNext = CreateUnwrappedExtensionStructs(%s[%s].pNext);\n' % (indent, new_prefix, index, new_prefix, index) |
| local_prefix = '%s[%s].' % (new_prefix, index) |
| # Process sub-structs in this struct |
| (tmp_decl, tmp_pre, tmp_post) = self.uniquify_members(struct_info, indent, local_prefix, array_index, create_func, destroy_func, destroy_array, False) |
| decls += tmp_decl |
| pre_code += tmp_pre |
| post_code += tmp_post |
| indent = self.decIndent(indent) |
| pre_code += '%s }\n' % indent |
| indent = self.decIndent(indent) |
| pre_code += '%s }\n' % indent |
| if first_level_param == True: |
| post_code += self.cleanUpLocalDeclarations(indent, prefix, member.name, member.len, index, process_pnext) |
| # Single Struct |
| else: |
| # Update struct prefix |
| if first_level_param == True: |
| new_prefix = 'local_%s->' % member.name |
| decls += '%ssafe_%s *local_%s%s = NULL;\n' % (indent, member.type, prefix, member.name) |
| else: |
| new_prefix = '%s%s->' % (prefix, member.name) |
| # Declare safe_VarType for struct |
| pre_code += '%s if (%s%s) {\n' % (indent, prefix, member.name) |
| indent = self.incIndent(indent) |
| if first_level_param == True: |
| pre_code += '%s local_%s%s = new safe_%s(%s);\n' % (indent, prefix, member.name, member.type, member.name) |
| # Process sub-structs in this struct |
| (tmp_decl, tmp_pre, tmp_post) = self.uniquify_members(struct_info, indent, new_prefix, array_index, create_func, destroy_func, destroy_array, False) |
| decls += tmp_decl |
| pre_code += tmp_pre |
| post_code += tmp_post |
| if process_pnext: |
| pre_code += '%s local_%s%s->pNext = CreateUnwrappedExtensionStructs(local_%s%s->pNext);\n' % (indent, prefix, member.name, prefix, member.name) |
| indent = self.decIndent(indent) |
| pre_code += '%s }\n' % indent |
| if first_level_param == True: |
| post_code += self.cleanUpLocalDeclarations(indent, prefix, member.name, member.len, index, process_pnext) |
| return decls, pre_code, post_code |
| # |
| # For a particular API, generate the non-dispatchable-object wrapping/unwrapping code |
| def generate_wrapping_code(self, cmd): |
| indent = ' ' |
| proto = cmd.find('proto/name') |
| params = cmd.findall('param') |
| |
| if proto.text is not None: |
| cmd_member_dict = dict(self.cmdMembers) |
| cmd_info = cmd_member_dict[proto.text] |
| # Handle ndo create/allocate operations |
| if cmd_info[0].iscreate: |
| create_ndo_code = self.generate_create_ndo_code(indent, proto, params, cmd_info) |
| else: |
| create_ndo_code = '' |
| # Handle ndo destroy/free operations |
| if cmd_info[0].isdestroy: |
| (destroy_array, destroy_ndo_code) = self.generate_destroy_ndo_code(indent, proto, cmd_info) |
| else: |
| destroy_array = False |
| destroy_ndo_code = '' |
| paramdecl = '' |
| param_pre_code = '' |
| param_post_code = '' |
| create_func = True if create_ndo_code else False |
| destroy_func = True if destroy_ndo_code else False |
| (paramdecl, param_pre_code, param_post_code) = self.uniquify_members(cmd_info, indent, '', 0, create_func, destroy_func, destroy_array, True) |
| param_post_code += create_ndo_code |
| if destroy_ndo_code: |
| if destroy_array == True: |
| param_post_code += destroy_ndo_code |
| else: |
| param_pre_code += destroy_ndo_code |
| if param_pre_code: |
| if (not destroy_func) or (destroy_array): |
| param_pre_code = '%s{\n%s%s%s%s}\n' % (' ', indent, self.lock_guard(indent), param_pre_code, indent) |
| return paramdecl, param_pre_code, param_post_code |
| # |
| # Capture command parameter info needed to wrap NDOs as well as handling some boilerplate code |
| def genCmd(self, cmdinfo, cmdname): |
| |
| # Add struct-member type information to command parameter information |
| OutputGenerator.genCmd(self, cmdinfo, cmdname) |
| members = cmdinfo.elem.findall('.//param') |
| # Iterate over members once to get length parameters for arrays |
| lens = set() |
| for member in members: |
| len = self.getLen(member) |
| if len: |
| lens.add(len) |
| struct_member_dict = dict(self.structMembers) |
| # Generate member info |
| membersInfo = [] |
| constains_extension_structs = False |
| for member in members: |
| # Get type and name of member |
| info = self.getTypeNameTuple(member) |
| type = info[0] |
| name = info[1] |
| cdecl = self.makeCParamDecl(member, 0) |
| # Check for parameter name in lens set |
| iscount = True if name in lens else False |
| len = self.getLen(member) |
| isconst = True if 'const' in cdecl else False |
| ispointer = self.paramIsPointer(member) |
| # Mark param as local if it is an array of NDOs |
| islocal = False; |
| if self.isHandleTypeNonDispatchable(type) == True: |
| if (len is not None) and (isconst == True): |
| islocal = True |
| # Or if it's a struct that contains an NDO |
| elif type in struct_member_dict: |
| if self.struct_contains_ndo(type) == True: |
| islocal = True |
| isdestroy = True if True in [destroy_txt in cmdname for destroy_txt in ['Destroy', 'Free']] else False |
| iscreate = True if True in [create_txt in cmdname for create_txt in ['Create', 'Allocate', 'GetRandROutputDisplayEXT', 'RegisterDeviceEvent', 'RegisterDisplayEvent']] else False |
| extstructs = self.registry.validextensionstructs[type] if name == 'pNext' else None |
| membersInfo.append(self.CommandParam(type=type, |
| name=name, |
| ispointer=ispointer, |
| isconst=isconst, |
| iscount=iscount, |
| len=len, |
| extstructs=extstructs, |
| cdecl=cdecl, |
| islocal=islocal, |
| iscreate=iscreate, |
| isdestroy=isdestroy, |
| feature_protect=self.featureExtraProtect)) |
| self.cmdMembers.append(self.CmdMemberData(name=cmdname, members=membersInfo)) |
| self.cmd_info_data.append(self.CmdInfoData(name=cmdname, cmdinfo=cmdinfo)) |
| self.cmd_feature_protect.append(self.CmdExtraProtect(name=cmdname, extra_protect=self.featureExtraProtect)) |
| # |
| # Create code to wrap NDOs as well as handling some boilerplate code |
| def WrapCommands(self): |
| cmd_member_dict = dict(self.cmdMembers) |
| cmd_info_dict = dict(self.cmd_info_data) |
| cmd_protect_dict = dict(self.cmd_feature_protect) |
| |
| for api_call in self.cmdMembers: |
| cmdname = api_call.name |
| cmdinfo = cmd_info_dict[api_call.name] |
| if cmdname in self.interface_functions: |
| continue |
| if cmdname in self.no_autogen_list: |
| decls = self.makeCDecls(cmdinfo.elem) |
| self.appendSection('command', '') |
| self.appendSection('command', '// Declare only') |
| self.appendSection('command', decls[0]) |
| self.intercepts += [ ' {"%s", (void *)%s},' % (cmdname,cmdname[2:]) ] |
| continue |
| # Generate NDO wrapping/unwrapping code for all parameters |
| (api_decls, api_pre, api_post) = self.generate_wrapping_code(cmdinfo.elem) |
| # If API doesn't contain an NDO's, don't fool with it |
| if not api_decls and not api_pre and not api_post: |
| continue |
| feature_extra_protect = cmd_protect_dict[api_call.name] |
| if (feature_extra_protect != None): |
| self.appendSection('command', '') |
| self.appendSection('command', '#ifdef '+ feature_extra_protect) |
| self.intercepts += [ '#ifdef %s' % feature_extra_protect ] |
| # Add intercept to procmap |
| self.intercepts += [ ' {"%s", (void*)%s},' % (cmdname,cmdname[2:]) ] |
| decls = self.makeCDecls(cmdinfo.elem) |
| self.appendSection('command', '') |
| self.appendSection('command', decls[0][:-1]) |
| self.appendSection('command', '{') |
| # Setup common to call wrappers, first parameter is always dispatchable |
| dispatchable_type = cmdinfo.elem.find('param/type').text |
| dispatchable_name = cmdinfo.elem.find('param/name').text |
| # Generate local instance/pdev/device data lookup |
| if dispatchable_type in ["VkPhysicalDevice", "VkInstance"]: |
| self.appendSection('command', ' instance_layer_data *dev_data = GetLayerDataPtr(get_dispatch_key('+dispatchable_name+'), instance_layer_data_map);') |
| else: |
| self.appendSection('command', ' layer_data *dev_data = GetLayerDataPtr(get_dispatch_key('+dispatchable_name+'), layer_data_map);') |
| # Handle return values, if any |
| resulttype = cmdinfo.elem.find('proto/type') |
| if (resulttype != None and resulttype.text == 'void'): |
| resulttype = None |
| if (resulttype != None): |
| assignresult = resulttype.text + ' result = ' |
| else: |
| assignresult = '' |
| # Pre-pend declarations and pre-api-call codegen |
| if api_decls: |
| self.appendSection('command', "\n".join(str(api_decls).rstrip().split("\n"))) |
| if api_pre: |
| self.appendSection('command', "\n".join(str(api_pre).rstrip().split("\n"))) |
| # Generate the API call itself |
| # Gather the parameter items |
| params = cmdinfo.elem.findall('param/name') |
| # Pull out the text for each of the parameters, separate them by commas in a list |
| paramstext = ', '.join([str(param.text) for param in params]) |
| # If any of these paramters has been replaced by a local var, fix up the list |
| params = cmd_member_dict[cmdname] |
| for param in params: |
| if param.islocal == True or self.StructWithExtensions(param.type): |
| if param.ispointer == True: |
| paramstext = paramstext.replace(param.name, '(%s %s*)local_%s' % ('const', param.type, param.name)) |
| else: |
| paramstext = paramstext.replace(param.name, '(%s %s)local_%s' % ('const', param.type, param.name)) |
| # Use correct dispatch table |
| API = cmdinfo.elem.attrib.get('name').replace('vk','dev_data->dispatch_table.',1) |
| # Put all this together for the final down-chain call |
| self.appendSection('command', ' ' + assignresult + API + '(' + paramstext + ');') |
| # And add the post-API-call codegen |
| self.appendSection('command', "\n".join(str(api_post).rstrip().split("\n"))) |
| # Handle the return result variable, if any |
| if (resulttype != None): |
| self.appendSection('command', ' return result;') |
| self.appendSection('command', '}') |
| if (feature_extra_protect != None): |
| self.appendSection('command', '#endif // '+ feature_extra_protect) |
| self.intercepts += [ '#endif' ] |
