1 #!/usr/bin/python3 -i 2 # 3 # Copyright (c) 2015-2016 The Khronos Group Inc. 4 # Copyright (c) 2015-2016 Valve Corporation 5 # Copyright (c) 2015-2016 LunarG, Inc. 6 # Copyright (c) 2015-2016 Google Inc. 7 # 8 # Licensed under the Apache License, Version 2.0 (the "License"); 9 # you may not use this file except in compliance with the License. 10 # You may obtain a copy of the License at 11 # 12 # http://www.apache.org/licenses/LICENSE-2.0 13 # 14 # Unless required by applicable law or agreed to in writing, software 15 # distributed under the License is distributed on an "AS IS" BASIS, 16 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 # See the License for the specific language governing permissions and 18 # limitations under the License. 19 # 20 # Author: Tobin Ehlis <tobine (at] google.com> 21 # Author: Mark Lobodzinski <mark (at] lunarg.com> 22 23 import os,re,sys 24 import xml.etree.ElementTree as etree 25 from generator import * 26 from collections import namedtuple 27 28 # UniqueObjectsGeneratorOptions - subclass of GeneratorOptions. 29 # 30 # Adds options used by UniqueObjectsOutputGenerator objects during 31 # unique objects layer generation. 32 # 33 # Additional members 34 # prefixText - list of strings to prefix generated header with 35 # (usually a copyright statement + calling convention macros). 36 # protectFile - True if multiple inclusion protection should be 37 # generated (based on the filename) around the entire header. 38 # protectFeature - True if #ifndef..#endif protection should be 39 # generated around a feature interface in the header file. 40 # genFuncPointers - True if function pointer typedefs should be 41 # generated 42 # protectProto - If conditional protection should be generated 43 # around prototype declarations, set to either '#ifdef' 44 # to require opt-in (#ifdef protectProtoStr) or '#ifndef' 45 # to require opt-out (#ifndef protectProtoStr). Otherwise 46 # set to None. 47 # protectProtoStr - #ifdef/#ifndef symbol to use around prototype 48 # declarations, if protectProto is set 49 # apicall - string to use for the function declaration prefix, 50 # such as APICALL on Windows. 51 # apientry - string to use for the calling convention macro, 52 # in typedefs, such as APIENTRY. 53 # apientryp - string to use for the calling convention macro 54 # in function pointer typedefs, such as APIENTRYP. 55 # indentFuncProto - True if prototype declarations should put each 56 # parameter on a separate line 57 # indentFuncPointer - True if typedefed function pointers should put each 58 # parameter on a separate line 59 # alignFuncParam - if nonzero and parameters are being put on a 60 # separate line, align parameter names at the specified column 61 class UniqueObjectsGeneratorOptions(GeneratorOptions): 62 def __init__(self, 63 filename = None, 64 directory = '.', 65 apiname = None, 66 profile = None, 67 versions = '.*', 68 emitversions = '.*', 69 defaultExtensions = None, 70 addExtensions = None, 71 removeExtensions = None, 72 sortProcedure = regSortFeatures, 73 prefixText = "", 74 genFuncPointers = True, 75 protectFile = True, 76 protectFeature = True, 77 protectProto = None, 78 protectProtoStr = None, 79 apicall = '', 80 apientry = '', 81 apientryp = '', 82 indentFuncProto = True, 83 indentFuncPointer = False, 84 alignFuncParam = 0): 85 GeneratorOptions.__init__(self, filename, directory, apiname, profile, 86 versions, emitversions, defaultExtensions, 87 addExtensions, removeExtensions, sortProcedure) 88 self.prefixText = prefixText 89 self.genFuncPointers = genFuncPointers 90 self.protectFile = protectFile 91 self.protectFeature = protectFeature 92 self.protectProto = protectProto 93 self.protectProtoStr = protectProtoStr 94 self.apicall = apicall 95 self.apientry = apientry 96 self.apientryp = apientryp 97 self.indentFuncProto = indentFuncProto 98 self.indentFuncPointer = indentFuncPointer 99 self.alignFuncParam = alignFuncParam 100 101 # UniqueObjectsOutputGenerator - subclass of OutputGenerator. 102 # Generates unique objects layer non-dispatchable handle-wrapping code. 103 # 104 # ---- methods ---- 105 # UniqueObjectsOutputGenerator(errFile, warnFile, diagFile) - args as for OutputGenerator. Defines additional internal state. 106 # ---- methods overriding base class ---- 107 # beginFile(genOpts) 108 # endFile() 109 # beginFeature(interface, emit) 110 # endFeature() 111 # genCmd(cmdinfo) 112 # genStruct() 113 # genType() 114 class UniqueObjectsOutputGenerator(OutputGenerator): 115 """Generate UniqueObjects code based on XML element attributes""" 116 # This is an ordered list of sections in the header file. 117 ALL_SECTIONS = ['command'] 118 def __init__(self, 119 errFile = sys.stderr, 120 warnFile = sys.stderr, 121 diagFile = sys.stdout): 122 OutputGenerator.__init__(self, errFile, warnFile, diagFile) 123 self.INDENT_SPACES = 4 124 # Commands to ignore 125 self.intercepts = [] 126 # Commands which are not autogenerated but still intercepted 127 self.no_autogen_list = [ 128 'vkGetDeviceProcAddr', 129 'vkGetInstanceProcAddr', 130 'vkCreateInstance', 131 'vkDestroyInstance', 132 'vkCreateDevice', 133 'vkDestroyDevice', 134 'vkAllocateMemory', 135 'vkCreateComputePipelines', 136 'vkCreateGraphicsPipelines', 137 'vkCreateSwapchainKHR', 138 'vkGetSwapchainImagesKHR', 139 'vkEnumerateInstanceLayerProperties', 140 'vkEnumerateDeviceLayerProperties', 141 'vkEnumerateInstanceExtensionProperties', 142 ] 143 # Commands shadowed by interface functions and are not implemented 144 self.interface_functions = [ 145 'vkGetPhysicalDeviceDisplayPropertiesKHR', 146 'vkGetPhysicalDeviceDisplayPlanePropertiesKHR', 147 'vkGetDisplayPlaneSupportedDisplaysKHR', 148 'vkGetDisplayModePropertiesKHR', 149 # DebugReport APIs are hooked, but handled separately in the source file 150 'vkCreateDebugReportCallbackEXT', 151 'vkDestroyDebugReportCallbackEXT', 152 'vkDebugReportMessageEXT', 153 ] 154 self.headerVersion = None 155 # Internal state - accumulators for different inner block text 156 self.sections = dict([(section, []) for section in self.ALL_SECTIONS]) 157 self.structNames = [] # List of Vulkan struct typenames 158 self.structTypes = dict() # Map of Vulkan struct typename to required VkStructureType 159 self.handleTypes = set() # Set of handle type names 160 self.commands = [] # List of CommandData records for all Vulkan commands 161 self.structMembers = [] # List of StructMemberData records for all Vulkan structs 162 self.flags = set() # Map of flags typenames 163 # Named tuples to store struct and command data 164 self.StructType = namedtuple('StructType', ['name', 'value']) 165 self.CommandParam = namedtuple('CommandParam', ['type', 'name', 'ispointer', 'isconst', 'iscount', 'len', 'extstructs', 'cdecl', 'islocal', 'iscreate', 'isdestroy']) 166 self.CommandData = namedtuple('CommandData', ['name', 'return_type', 'params', 'cdecl']) 167 self.StructMemberData = namedtuple('StructMemberData', ['name', 'members']) 168 # 169 def incIndent(self, indent): 170 inc = ' ' * self.INDENT_SPACES 171 if indent: 172 return indent + inc 173 return inc 174 # 175 def decIndent(self, indent): 176 if indent and (len(indent) > self.INDENT_SPACES): 177 return indent[:-self.INDENT_SPACES] 178 return '' 179 # 180 # Override makeProtoName to drop the "vk" prefix 181 def makeProtoName(self, name, tail): 182 return self.genOpts.apientry + name[2:] + tail 183 # 184 # Check if the parameter passed in is a pointer to an array 185 def paramIsArray(self, param): 186 return param.attrib.get('len') is not None 187 # 188 def beginFile(self, genOpts): 189 OutputGenerator.beginFile(self, genOpts) 190 # User-supplied prefix text, if any (list of strings) 191 if (genOpts.prefixText): 192 for s in genOpts.prefixText: 193 write(s, file=self.outFile) 194 # Namespace 195 self.newline() 196 write('namespace unique_objects {', file = self.outFile) 197 # 198 def endFile(self): 199 self.newline() 200 # Record intercepted procedures 201 write('// intercepts', file=self.outFile) 202 write('struct { const char* name; PFN_vkVoidFunction pFunc;} procmap[] = {', file=self.outFile) 203 write('\n'.join(self.intercepts), file=self.outFile) 204 write('};\n', file=self.outFile) 205 self.newline() 206 write('} // namespace unique_objects', file=self.outFile) 207 # Finish processing in superclass 208 OutputGenerator.endFile(self) 209 # 210 def beginFeature(self, interface, emit): 211 # Start processing in superclass 212 OutputGenerator.beginFeature(self, interface, emit) 213 self.headerVersion = None 214 self.sections = dict([(section, []) for section in self.ALL_SECTIONS]) 215 self.structNames = [] 216 self.structTypes = dict() 217 self.handleTypes = set() 218 self.commands = [] 219 self.structMembers = [] 220 self.cmdMembers = [] 221 self.flags = set() 222 self.StructMemberData = namedtuple('StructMemberData', ['name', 'members']) 223 self.CmdMemberData = namedtuple('CmdMemberData', ['name', 'members']) 224 # 225 def endFeature(self): 226 # Actually write the interface to the output file. 227 if (self.emit): 228 self.newline() 229 if (self.featureExtraProtect != None): 230 write('#ifdef', self.featureExtraProtect, file=self.outFile) 231 # Write the unique_objects code to the file 232 if (self.sections['command']): 233 if (self.genOpts.protectProto): 234 write(self.genOpts.protectProto, 235 self.genOpts.protectProtoStr, file=self.outFile) 236 write('\n'.join(self.sections['command']), end='', file=self.outFile) 237 if (self.featureExtraProtect != None): 238 write('\n#endif //', self.featureExtraProtect, file=self.outFile) 239 else: 240 self.newline() 241 # Finish processing in superclass 242 OutputGenerator.endFeature(self) 243 # 244 def genType(self, typeinfo, name): 245 OutputGenerator.genType(self, typeinfo, name) 246 typeElem = typeinfo.elem 247 # If the type is a struct type, traverse the imbedded <member> tags generating a structure. 248 # Otherwise, emit the tag text. 249 category = typeElem.get('category') 250 if (category == 'struct' or category == 'union'): 251 self.structNames.append(name) 252 self.genStruct(typeinfo, name) 253 # 254 # Append a definition to the specified section 255 def appendSection(self, section, text): 256 # self.sections[section].append('SECTION: ' + section + '\n') 257 self.sections[section].append(text) 258 # 259 # Check if the parameter passed in is a pointer 260 def paramIsPointer(self, param): 261 ispointer = False 262 for elem in param: 263 if ((elem.tag is not 'type') and (elem.tail is not None)) and '*' in elem.tail: 264 ispointer = True 265 return ispointer 266 # 267 # Get the category of a type 268 def getTypeCategory(self, typename): 269 types = self.registry.tree.findall("types/type") 270 for elem in types: 271 if (elem.find("name") is not None and elem.find('name').text == typename) or elem.attrib.get('name') == typename: 272 return elem.attrib.get('category') 273 # 274 # Check if a parent object is dispatchable or not 275 def isHandleTypeNonDispatchable(self, handletype): 276 handle = self.registry.tree.find("types/type/[name='" + handletype + "'][@category='handle']") 277 if handle is not None and handle.find('type').text == 'VK_DEFINE_NON_DISPATCHABLE_HANDLE': 278 return True 279 else: 280 return False 281 # 282 # Retrieve the type and name for a parameter 283 def getTypeNameTuple(self, param): 284 type = '' 285 name = '' 286 for elem in param: 287 if elem.tag == 'type': 288 type = noneStr(elem.text) 289 elif elem.tag == 'name': 290 name = noneStr(elem.text) 291 return (type, name) 292 # 293 # Retrieve the value of the len tag 294 def getLen(self, param): 295 result = None 296 len = param.attrib.get('len') 297 if len and len != 'null-terminated': 298 # For string arrays, 'len' can look like 'count,null-terminated', indicating that we 299 # have a null terminated array of strings. We strip the null-terminated from the 300 # 'len' field and only return the parameter specifying the string count 301 if 'null-terminated' in len: 302 result = len.split(',')[0] 303 else: 304 result = len 305 # Spec has now notation for len attributes, using :: instead of platform specific pointer symbol 306 result = str(result).replace('::', '->') 307 return result 308 # 309 # Generate a VkStructureType based on a structure typename 310 def genVkStructureType(self, typename): 311 # Add underscore between lowercase then uppercase 312 value = re.sub('([a-z0-9])([A-Z])', r'\1_\2', typename) 313 # Change to uppercase 314 value = value.upper() 315 # Add STRUCTURE_TYPE_ 316 return re.sub('VK_', 'VK_STRUCTURE_TYPE_', value) 317 # 318 # Struct parameter check generation. 319 # This is a special case of the <type> tag where the contents are interpreted as a set of 320 # <member> tags instead of freeform C type declarations. The <member> tags are just like 321 # <param> tags - they are a declaration of a struct or union member. Only simple member 322 # declarations are supported (no nested structs etc.) 323 def genStruct(self, typeinfo, typeName): 324 OutputGenerator.genStruct(self, typeinfo, typeName) 325 members = typeinfo.elem.findall('.//member') 326 # Iterate over members once to get length parameters for arrays 327 lens = set() 328 for member in members: 329 len = self.getLen(member) 330 if len: 331 lens.add(len) 332 # Generate member info 333 membersInfo = [] 334 for member in members: 335 # Get the member's type and name 336 info = self.getTypeNameTuple(member) 337 type = info[0] 338 name = info[1] 339 cdecl = self.makeCParamDecl(member, 0) 340 # Process VkStructureType 341 if type == 'VkStructureType': 342 # Extract the required struct type value from the comments 343 # embedded in the original text defining the 'typeinfo' element 344 rawXml = etree.tostring(typeinfo.elem).decode('ascii') 345 result = re.search(r'VK_STRUCTURE_TYPE_\w+', rawXml) 346 if result: 347 value = result.group(0) 348 else: 349 value = self.genVkStructureType(typeName) 350 # Store the required type value 351 self.structTypes[typeName] = self.StructType(name=name, value=value) 352 # Store pointer/array/string info 353 membersInfo.append(self.CommandParam(type=type, 354 name=name, 355 ispointer=self.paramIsPointer(member), 356 isconst=True if 'const' in cdecl else False, 357 iscount=True if name in lens else False, 358 len=self.getLen(member), 359 extstructs=member.attrib.get('validextensionstructs') if name == 'pNext' else None, 360 cdecl=cdecl, 361 islocal=False, 362 iscreate=False, 363 isdestroy=False)) 364 self.structMembers.append(self.StructMemberData(name=typeName, members=membersInfo)) 365 # 366 # Insert a lock_guard line 367 def lock_guard(self, indent): 368 return '%sstd::lock_guard<std::mutex> lock(global_lock);\n' % indent 369 # 370 # Determine if a struct has an NDO as a member or an embedded member 371 def struct_contains_ndo(self, struct_item): 372 struct_member_dict = dict(self.structMembers) 373 struct_members = struct_member_dict[struct_item] 374 375 for member in struct_members: 376 if self.isHandleTypeNonDispatchable(member.type): 377 return True 378 elif member.type in struct_member_dict: 379 if self.struct_contains_ndo(member.type) == True: 380 return True 381 return False 382 # 383 # Return list of struct members which contain, or which sub-structures contain 384 # an NDO in a given list of parameters or members 385 def getParmeterStructsWithNdos(self, item_list): 386 struct_list = set() 387 for item in item_list: 388 paramtype = item.find('type') 389 typecategory = self.getTypeCategory(paramtype.text) 390 if typecategory == 'struct': 391 if self.struct_contains_ndo(paramtype.text) == True: 392 struct_list.add(item) 393 return struct_list 394 # 395 # Return list of non-dispatchable objects from a given list of parameters or members 396 def getNdosInParameterList(self, item_list, create_func): 397 ndo_list = set() 398 if create_func == True: 399 member_list = item_list[0:-1] 400 else: 401 member_list = item_list 402 for item in member_list: 403 if self.isHandleTypeNonDispatchable(paramtype.text): 404 ndo_list.add(item) 405 return ndo_list 406 # 407 # Generate source for creating a non-dispatchable object 408 def generate_create_ndo_code(self, indent, proto, params, cmd_info): 409 create_ndo_code = '' 410 if True in [create_txt in proto.text for create_txt in ['Create', 'Allocate']]: 411 handle_type = params[-1].find('type') 412 if self.isHandleTypeNonDispatchable(handle_type.text): 413 # Check for special case where multiple handles are returned 414 ndo_array = False 415 if cmd_info[-1].len is not None: 416 ndo_array = True; 417 handle_name = params[-1].find('name') 418 create_ndo_code += '%sif (VK_SUCCESS == result) {\n' % (indent) 419 indent = self.incIndent(indent) 420 create_ndo_code += '%sstd::lock_guard<std::mutex> lock(global_lock);\n' % (indent) 421 ndo_dest = '*%s' % handle_name.text 422 if ndo_array == True: 423 create_ndo_code += '%sfor (uint32_t index0 = 0; index0 < %s; index0++) {\n' % (indent, cmd_info[-1].len) 424 indent = self.incIndent(indent) 425 ndo_dest = '%s[index0]' % cmd_info[-1].name 426 create_ndo_code += '%suint64_t unique_id = global_unique_id++;\n' % (indent) 427 create_ndo_code += '%sdev_data->unique_id_mapping[unique_id] = reinterpret_cast<uint64_t &>(%s);\n' % (indent, ndo_dest) 428 create_ndo_code += '%s%s = reinterpret_cast<%s&>(unique_id);\n' % (indent, ndo_dest, handle_type.text) 429 if ndo_array == True: 430 indent = self.decIndent(indent) 431 create_ndo_code += '%s}\n' % indent 432 indent = self.decIndent(indent) 433 create_ndo_code += '%s}\n' % (indent) 434 return create_ndo_code 435 # 436 # Generate source for destroying a non-dispatchable object 437 def generate_destroy_ndo_code(self, indent, proto, cmd_info): 438 destroy_ndo_code = '' 439 ndo_array = False 440 if True in [destroy_txt in proto.text for destroy_txt in ['Destroy', 'Free']]: 441 # Check for special case where multiple handles are returned 442 if cmd_info[-1].len is not None: 443 ndo_array = True; 444 param = -1 445 else: 446 param = -2 447 if self.isHandleTypeNonDispatchable(cmd_info[param].type) == True: 448 if ndo_array == True: 449 # This API is freeing an array of handles. Remove them from the unique_id map. 450 destroy_ndo_code += '%sif ((VK_SUCCESS == result) && (%s)) {\n' % (indent, cmd_info[param].name) 451 indent = self.incIndent(indent) 452 destroy_ndo_code += '%sstd::unique_lock<std::mutex> lock(global_lock);\n' % (indent) 453 destroy_ndo_code += '%sfor (uint32_t index0 = 0; index0 < %s; index0++) {\n' % (indent, cmd_info[param].len) 454 indent = self.incIndent(indent) 455 destroy_ndo_code += '%s%s handle = %s[index0];\n' % (indent, cmd_info[param].type, cmd_info[param].name) 456 destroy_ndo_code += '%suint64_t unique_id = reinterpret_cast<uint64_t &>(handle);\n' % (indent) 457 destroy_ndo_code += '%sdev_data->unique_id_mapping.erase(unique_id);\n' % (indent) 458 indent = self.decIndent(indent); 459 destroy_ndo_code += '%s}\n' % indent 460 indent = self.decIndent(indent); 461 destroy_ndo_code += '%s}\n' % indent 462 else: 463 # Remove a single handle from the map 464 destroy_ndo_code += '%sstd::unique_lock<std::mutex> lock(global_lock);\n' % (indent) 465 destroy_ndo_code += '%suint64_t %s_id = reinterpret_cast<uint64_t &>(%s);\n' % (indent, cmd_info[param].name, cmd_info[param].name) 466 destroy_ndo_code += '%s%s = (%s)dev_data->unique_id_mapping[%s_id];\n' % (indent, cmd_info[param].name, cmd_info[param].type, cmd_info[param].name) 467 destroy_ndo_code += '%sdev_data->unique_id_mapping.erase(%s_id);\n' % (indent, cmd_info[param].name) 468 destroy_ndo_code += '%slock.unlock();\n' % (indent) 469 return ndo_array, destroy_ndo_code 470 471 # 472 # Clean up local declarations 473 def cleanUpLocalDeclarations(self, indent, prefix, name, len): 474 cleanup = '%sif (local_%s%s)\n' % (indent, prefix, name) 475 if len is not None: 476 cleanup += '%s delete[] local_%s%s;\n' % (indent, prefix, name) 477 else: 478 cleanup += '%s delete local_%s%s;\n' % (indent, prefix, name) 479 return cleanup 480 # 481 # Output UO code for a single NDO (ndo_count is NULL) or a counted list of NDOs 482 def outputNDOs(self, ndo_type, ndo_name, ndo_count, prefix, index, indent, destroy_func, destroy_array, top_level): 483 decl_code = '' 484 pre_call_code = '' 485 post_call_code = '' 486 if ndo_count is not None: 487 if top_level == True: 488 decl_code += '%s%s *local_%s%s = NULL;\n' % (indent, ndo_type, prefix, ndo_name) 489 pre_call_code += '%s if (%s%s) {\n' % (indent, prefix, ndo_name) 490 indent = self.incIndent(indent) 491 if top_level == True: 492 pre_call_code += '%s local_%s%s = new %s[%s];\n' % (indent, prefix, ndo_name, ndo_type, ndo_count) 493 pre_call_code += '%s for (uint32_t %s = 0; %s < %s; ++%s) {\n' % (indent, index, index, ndo_count, index) 494 indent = self.incIndent(indent) 495 pre_call_code += '%s local_%s%s[%s] = (%s)dev_data->unique_id_mapping[reinterpret_cast<const uint64_t &>(%s[%s])];\n' % (indent, prefix, ndo_name, index, ndo_type, ndo_name, index) 496 else: 497 pre_call_code += '%s for (uint32_t %s = 0; %s < %s; ++%s) {\n' % (indent, index, index, ndo_count, index) 498 indent = self.incIndent(indent) 499 pre_call_code += '%s %s%s[%s] = (%s)dev_data->unique_id_mapping[reinterpret_cast<const uint64_t &>(%s%s[%s])];\n' % (indent, prefix, ndo_name, index, ndo_type, prefix, ndo_name, index) 500 indent = self.decIndent(indent) 501 pre_call_code += '%s }\n' % indent 502 indent = self.decIndent(indent) 503 pre_call_code += '%s }\n' % indent 504 if top_level == True: 505 post_call_code += '%sif (local_%s%s)\n' % (indent, prefix, ndo_name) 506 indent = self.incIndent(indent) 507 post_call_code += '%sdelete[] local_%s;\n' % (indent, ndo_name) 508 else: 509 if top_level == True: 510 if (destroy_func == False) or (destroy_array == True): #### LUGMAL This line needs to be skipped for destroy_ndo and not destroy_array 511 pre_call_code += '%s %s = (%s)dev_data->unique_id_mapping[reinterpret_cast<uint64_t &>(%s)];\n' % (indent, ndo_name, ndo_type, ndo_name) 512 else: 513 # Make temp copy of this var with the 'local' removed. It may be better to not pass in 'local_' 514 # as part of the string and explicitly print it 515 fix = str(prefix).strip('local_'); 516 pre_call_code += '%s if (%s%s) {\n' % (indent, fix, ndo_name) 517 indent = self.incIndent(indent) 518 pre_call_code += '%s %s%s = (%s)dev_data->unique_id_mapping[reinterpret_cast<const uint64_t &>(%s%s)];\n' % (indent, prefix, ndo_name, ndo_type, fix, ndo_name) 519 indent = self.decIndent(indent) 520 pre_call_code += '%s }\n' % indent 521 return decl_code, pre_call_code, post_call_code 522 # 523 # first_level_param indicates if elements are passed directly into the function else they're below a ptr/struct 524 # create_func means that this is API creates or allocates NDOs 525 # destroy_func indicates that this API destroys or frees NDOs 526 # destroy_array means that the destroy_func operated on an array of NDOs 527 def uniquify_members(self, members, indent, prefix, array_index, create_func, destroy_func, destroy_array, first_level_param): 528 decls = '' 529 pre_code = '' 530 post_code = '' 531 struct_member_dict = dict(self.structMembers) 532 index = 'index%s' % str(array_index) 533 array_index += 1 534 # Process any NDOs in this structure and recurse for any sub-structs in this struct 535 for member in members: 536 # Handle NDOs 537 if self.isHandleTypeNonDispatchable(member.type) == True: 538 count_name = member.len 539 if (count_name is not None): 540 if first_level_param == False: 541 count_name = '%s%s' % (prefix, member.len) 542 543 if (first_level_param == False) or (create_func == False): 544 (tmp_decl, tmp_pre, tmp_post) = self.outputNDOs(member.type, member.name, count_name, prefix, index, indent, destroy_func, destroy_array, first_level_param) 545 decls += tmp_decl 546 pre_code += tmp_pre 547 post_code += tmp_post 548 # Handle Structs that contain NDOs at some level 549 elif member.type in struct_member_dict: 550 # All structs at first level will have an NDO 551 if self.struct_contains_ndo(member.type) == True: 552 struct_info = struct_member_dict[member.type] 553 # Struct Array 554 if member.len is not None: 555 # Update struct prefix 556 if first_level_param == True: 557 new_prefix = 'local_%s' % member.name 558 # Declare safe_VarType for struct 559 decls += '%ssafe_%s *%s = NULL;\n' % (indent, member.type, new_prefix) 560 else: 561 new_prefix = '%s%s' % (prefix, member.name) 562 pre_code += '%s if (%s%s) {\n' % (indent, prefix, member.name) 563 indent = self.incIndent(indent) 564 if first_level_param == True: 565 pre_code += '%s %s = new safe_%s[%s];\n' % (indent, new_prefix, member.type, member.len) 566 pre_code += '%s for (uint32_t %s = 0; %s < %s%s; ++%s) {\n' % (indent, index, index, prefix, member.len, index) 567 indent = self.incIndent(indent) 568 if first_level_param == True: 569 pre_code += '%s %s[%s].initialize(&%s[%s]);\n' % (indent, new_prefix, index, member.name, index) 570 local_prefix = '%s[%s].' % (new_prefix, index) 571 # Process sub-structs in this struct 572 (tmp_decl, tmp_pre, tmp_post) = self.uniquify_members(struct_info, indent, local_prefix, array_index, create_func, destroy_func, destroy_array, False) 573 decls += tmp_decl 574 pre_code += tmp_pre 575 post_code += tmp_post 576 indent = self.decIndent(indent) 577 pre_code += '%s }\n' % indent 578 indent = self.decIndent(indent) 579 pre_code += '%s }\n' % indent 580 if first_level_param == True: 581 post_code += self.cleanUpLocalDeclarations(indent, prefix, member.name, member.len) 582 # Single Struct 583 else: 584 # Update struct prefix 585 if first_level_param == True: 586 new_prefix = 'local_%s->' % member.name 587 decls += '%ssafe_%s *local_%s%s = NULL;\n' % (indent, member.type, prefix, member.name) 588 else: 589 new_prefix = '%s%s->' % (prefix, member.name) 590 # Declare safe_VarType for struct 591 pre_code += '%s if (%s%s) {\n' % (indent, prefix, member.name) 592 indent = self.incIndent(indent) 593 if first_level_param == True: 594 pre_code += '%s local_%s%s = new safe_%s(%s);\n' % (indent, prefix, member.name, member.type, member.name) 595 # Process sub-structs in this struct 596 (tmp_decl, tmp_pre, tmp_post) = self.uniquify_members(struct_info, indent, new_prefix, array_index, create_func, destroy_func, destroy_array, False) 597 decls += tmp_decl 598 pre_code += tmp_pre 599 post_code += tmp_post 600 indent = self.decIndent(indent) 601 pre_code += '%s }\n' % indent 602 if first_level_param == True: 603 post_code += self.cleanUpLocalDeclarations(indent, prefix, member.name, member.len) 604 return decls, pre_code, post_code 605 # 606 # For a particular API, generate the non-dispatchable-object wrapping/unwrapping code 607 def generate_wrapping_code(self, cmd): 608 indent = ' ' 609 proto = cmd.find('proto/name') 610 params = cmd.findall('param') 611 if proto.text is not None: 612 cmd_member_dict = dict(self.cmdMembers) 613 cmd_info = cmd_member_dict[proto.text] 614 # Handle ndo create/allocate operations 615 if cmd_info[0].iscreate: 616 create_ndo_code = self.generate_create_ndo_code(indent, proto, params, cmd_info) 617 else: 618 create_ndo_code = '' 619 # Handle ndo destroy/free operations 620 if cmd_info[0].isdestroy: 621 (destroy_array, destroy_ndo_code) = self.generate_destroy_ndo_code(indent, proto, cmd_info) 622 else: 623 destroy_array = False 624 destroy_ndo_code = '' 625 paramdecl = '' 626 param_pre_code = '' 627 param_post_code = '' 628 create_func = True if create_ndo_code else False 629 destroy_func = True if destroy_ndo_code else False 630 (paramdecl, param_pre_code, param_post_code) = self.uniquify_members(cmd_info, indent, '', 0, create_func, destroy_func, destroy_array, True) 631 param_post_code += create_ndo_code 632 if destroy_ndo_code: 633 if destroy_array == True: 634 param_post_code += destroy_ndo_code 635 else: 636 param_pre_code += destroy_ndo_code 637 if param_pre_code: 638 if (not destroy_func) or (destroy_array): 639 param_pre_code = '%s{\n%s%s%s%s}\n' % (' ', indent, self.lock_guard(indent), param_pre_code, indent) 640 return paramdecl, param_pre_code, param_post_code 641 # 642 # Capture command parameter info needed to wrap NDOs as well as handling some boilerplate code 643 def genCmd(self, cmdinfo, cmdname): 644 if cmdname in self.interface_functions: 645 return 646 if cmdname in self.no_autogen_list: 647 decls = self.makeCDecls(cmdinfo.elem) 648 self.appendSection('command', '') 649 self.appendSection('command', '// Declare only') 650 self.appendSection('command', decls[0]) 651 self.intercepts += [ ' {"%s", reinterpret_cast<PFN_vkVoidFunction>(%s)},' % (cmdname,cmdname[2:]) ] 652 return 653 # Add struct-member type information to command parameter information 654 OutputGenerator.genCmd(self, cmdinfo, cmdname) 655 members = cmdinfo.elem.findall('.//param') 656 # Iterate over members once to get length parameters for arrays 657 lens = set() 658 for member in members: 659 len = self.getLen(member) 660 if len: 661 lens.add(len) 662 struct_member_dict = dict(self.structMembers) 663 # Generate member info 664 membersInfo = [] 665 for member in members: 666 # Get type and name of member 667 info = self.getTypeNameTuple(member) 668 type = info[0] 669 name = info[1] 670 cdecl = self.makeCParamDecl(member, 0) 671 # Check for parameter name in lens set 672 iscount = True if name in lens else False 673 len = self.getLen(member) 674 isconst = True if 'const' in cdecl else False 675 ispointer = self.paramIsPointer(member) 676 # Mark param as local if it is an array of NDOs 677 islocal = False; 678 if self.isHandleTypeNonDispatchable(type) == True: 679 if (len is not None) and (isconst == True): 680 islocal = True 681 # Or if it's a struct that contains an NDO 682 elif type in struct_member_dict: 683 if self.struct_contains_ndo(type) == True: 684 islocal = True 685 686 isdestroy = True if True in [destroy_txt in cmdname for destroy_txt in ['Destroy', 'Free']] else False 687 iscreate = True if True in [create_txt in cmdname for create_txt in ['Create', 'Allocate']] else False 688 689 membersInfo.append(self.CommandParam(type=type, 690 name=name, 691 ispointer=ispointer, 692 isconst=isconst, 693 iscount=iscount, 694 len=len, 695 extstructs=member.attrib.get('validextensionstructs') if name == 'pNext' else None, 696 cdecl=cdecl, 697 islocal=islocal, 698 iscreate=iscreate, 699 isdestroy=isdestroy)) 700 self.cmdMembers.append(self.CmdMemberData(name=cmdname, members=membersInfo)) 701 # Generate NDO wrapping/unwrapping code for all parameters 702 (api_decls, api_pre, api_post) = self.generate_wrapping_code(cmdinfo.elem) 703 # If API doesn't contain an NDO's, don't fool with it 704 if not api_decls and not api_pre and not api_post: 705 return 706 # Record that the function will be intercepted 707 if (self.featureExtraProtect != None): 708 self.intercepts += [ '#ifdef %s' % self.featureExtraProtect ] 709 self.intercepts += [ ' {"%s", reinterpret_cast<PFN_vkVoidFunction>(%s)},' % (cmdname,cmdname[2:]) ] 710 if (self.featureExtraProtect != None): 711 self.intercepts += [ '#endif' ] 712 decls = self.makeCDecls(cmdinfo.elem) 713 self.appendSection('command', '') 714 self.appendSection('command', decls[0][:-1]) 715 self.appendSection('command', '{') 716 # Setup common to call wrappers, first parameter is always dispatchable 717 dispatchable_type = cmdinfo.elem.find('param/type').text 718 dispatchable_name = cmdinfo.elem.find('param/name').text 719 # Generate local instance/pdev/device data lookup 720 self.appendSection('command', ' layer_data *dev_data = get_my_data_ptr(get_dispatch_key('+dispatchable_name+'), layer_data_map);') 721 # Handle return values, if any 722 resulttype = cmdinfo.elem.find('proto/type') 723 if (resulttype != None and resulttype.text == 'void'): 724 resulttype = None 725 if (resulttype != None): 726 assignresult = resulttype.text + ' result = ' 727 else: 728 assignresult = '' 729 # Pre-pend declarations and pre-api-call codegen 730 if api_decls: 731 self.appendSection('command', "\n".join(str(api_decls).rstrip().split("\n"))) 732 if api_pre: 733 self.appendSection('command', "\n".join(str(api_pre).rstrip().split("\n"))) 734 # Generate the API call itself 735 # Gather the parameter items 736 params = cmdinfo.elem.findall('param/name') 737 # Pull out the text for each of the parameters, separate them by commas in a list 738 paramstext = ', '.join([str(param.text) for param in params]) 739 # If any of these paramters has been replaced by a local var, fix up the list 740 cmd_member_dict = dict(self.cmdMembers) 741 params = cmd_member_dict[cmdname] 742 for param in params: 743 if param.islocal == True: 744 if param.ispointer == True: 745 paramstext = paramstext.replace(param.name, '(%s %s*)local_%s' % ('const', param.type, param.name)) 746 else: 747 paramstext = paramstext.replace(param.name, '(%s %s)local_%s' % ('const', param.type, param.name)) 748 # Use correct dispatch table 749 if dispatchable_type in ["VkPhysicalDevice", "VkInstance"]: 750 API = cmdinfo.elem.attrib.get('name').replace('vk','dev_data->instance_dispatch_table->',1) 751 else: 752 API = cmdinfo.elem.attrib.get('name').replace('vk','dev_data->device_dispatch_table->',1) 753 # Put all this together for the final down-chain call 754 self.appendSection('command', ' ' + assignresult + API + '(' + paramstext + ');') 755 # And add the post-API-call codegen 756 self.appendSection('command', "\n".join(str(api_post).rstrip().split("\n"))) 757 # Handle the return result variable, if any 758 if (resulttype != None): 759 self.appendSection('command', ' return result;') 760 self.appendSection('command', '}') 761
