| #!/usr/bin/python3 -i |
| # |
| # Copyright (c) 2015-2023 The Khronos Group Inc. |
| # Copyright (c) 2015-2023 Valve Corporation |
| # Copyright (c) 2015-2023 LunarG, 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. |
| |
| import os,re,sys |
| import xml.etree.ElementTree as etree |
| from generator import * |
| from collections import namedtuple |
| from common_codegen import * |
| |
| funcptr_source_preamble = ''' |
| #include "lvt_function_pointers.h" |
| #include <cassert> |
| #include <cstdio> |
| #include <cstdlib> |
| |
| #ifdef _WIN32 |
| // Dynamic Loading: |
| typedef HMODULE dl_handle; |
| static dl_handle open_library(const char *lib_path) { |
| // Try loading the library the original way first. |
| dl_handle lib_handle = LoadLibrary(lib_path); |
| if (lib_handle == NULL && GetLastError() == ERROR_MOD_NOT_FOUND) { |
| // If that failed, then try loading it with broader search folders. |
| lib_handle = LoadLibraryEx(lib_path, NULL, LOAD_LIBRARY_SEARCH_DEFAULT_DIRS | LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR); |
| } |
| return lib_handle; |
| } |
| static char *open_library_error(const char *libPath) { |
| static char errorMsg[164]; |
| (void)snprintf(errorMsg, 163, "Failed to open dynamic library \\\"%s\\\" with error %lu", libPath, GetLastError()); |
| return errorMsg; |
| } |
| static void *get_proc_address(dl_handle library, const char *name) { |
| assert(library); |
| assert(name); |
| return (void *)GetProcAddress(library, name); |
| } |
| #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| |
| #include <dlfcn.h> |
| |
| typedef void *dl_handle; |
| static inline dl_handle open_library(const char *libPath) { |
| // When loading the library, we use RTLD_LAZY so that not all symbols have to be |
| // resolved at this time (which improves performance). Note that if not all symbols |
| // can be resolved, this could cause crashes later. Use the LD_BIND_NOW environment |
| // variable to force all symbols to be resolved here. |
| return dlopen(libPath, RTLD_LAZY | RTLD_LOCAL); |
| } |
| static inline const char *open_library_error(const char *libPath) { return dlerror(); } |
| static inline void *get_proc_address(dl_handle library, const char *name) { |
| assert(library); |
| assert(name); |
| return dlsym(library, name); |
| } |
| #else |
| #error Dynamic library functions must be defined for this OS. |
| #endif |
| |
| |
| namespace vk { |
| |
| ''' |
| |
| funcptr_header_preamble = ''' |
| #include <vulkan/vulkan.h> |
| |
| #ifdef _WIN32 |
| /* Windows-specific common code: */ |
| // WinBase.h defines CreateSemaphore and synchapi.h defines CreateEvent |
| // undefine them to avoid conflicts with VkLayerDispatchTable struct members. |
| #ifdef CreateSemaphore |
| #undef CreateSemaphore |
| #endif |
| #ifdef CreateEvent |
| #undef CreateEvent |
| #endif |
| #endif |
| |
| namespace vk { |
| |
| ''' |
| |
| # |
| # LvtFileOutputGeneratorOptions - subclass of GeneratorOptions. |
| class LvtFileOutputGeneratorOptions(GeneratorOptions): |
| def __init__(self, |
| conventions = None, |
| filename = None, |
| directory = '.', |
| genpath = None, |
| apiname = 'vulkan', |
| profile = None, |
| versions = '.*', |
| emitversions = '.*', |
| defaultExtensions = 'vulkan', |
| addExtensions = None, |
| removeExtensions = None, |
| emitExtensions = None, |
| emitSpirv = None, |
| sortProcedure = regSortFeatures, |
| genFuncPointers = True, |
| apicall = 'VKAPI_ATTR ', |
| apientry = 'VKAPI_CALL ', |
| apientryp = 'VKAPI_PTR *', |
| alignFuncParam = 48, |
| expandEnumerants = False, |
| lvt_file_type = ''): |
| GeneratorOptions.__init__(self, |
| conventions = conventions, |
| filename = filename, |
| directory = directory, |
| genpath = genpath, |
| apiname = apiname, |
| profile = profile, |
| versions = versions, |
| emitversions = emitversions, |
| defaultExtensions = defaultExtensions, |
| addExtensions = addExtensions, |
| removeExtensions = removeExtensions, |
| emitExtensions = emitExtensions, |
| emitSpirv = emitSpirv, |
| sortProcedure = sortProcedure) |
| self.genFuncPointers = genFuncPointers |
| self.apicall = apicall |
| self.apientry = apientry |
| self.apientryp = apientryp |
| self.alignFuncParam = alignFuncParam |
| self.lvt_file_type = lvt_file_type |
| # |
| # LvtFileOutputGenerator - subclass of OutputGenerator. |
| # Generates files needed by the layer validation tests |
| class LvtFileOutputGenerator(OutputGenerator): |
| """Generate LVT support files based on XML element attributes""" |
| def __init__(self, |
| errFile = sys.stderr, |
| warnFile = sys.stderr, |
| diagFile = sys.stdout): |
| OutputGenerator.__init__(self, errFile, warnFile, diagFile) |
| # Internal state - accumulators for different inner block text |
| self.dispatch_list = [] # List of entries for dispatch list |
| # |
| # Called once at the beginning of each run |
| def beginFile(self, genOpts): |
| OutputGenerator.beginFile(self, genOpts) |
| |
| # Initialize members that require the tree |
| self.handle_types = GetHandleTypes(self.registry.tree) |
| self.lvt_file_type = genOpts.lvt_file_type |
| |
| if genOpts.lvt_file_type == 'function_pointer_header': |
| write("#pragma once", file=self.outFile) |
| |
| # File Comment |
| file_comment = '// *** THIS FILE IS GENERATED - DO NOT EDIT ***\n' |
| file_comment += '// See lvt_file_generator.py for modifications\n' |
| write(file_comment, file=self.outFile) |
| # Copyright Notice |
| copyright = '/*\n' |
| copyright += ' * Copyright (c) 2015-2023 The Khronos Group Inc.\n' |
| copyright += ' * Copyright (c) 2015-2023 Valve Corporation\n' |
| copyright += ' * Copyright (c) 2015-2023 LunarG, Inc.\n' |
| copyright += ' *\n' |
| copyright += ' * Licensed under the Apache License, Version 2.0 (the "License");\n' |
| copyright += ' * you may not use this file except in compliance with the License.\n' |
| copyright += ' * You may obtain a copy of the License at\n' |
| copyright += ' *\n' |
| copyright += ' * http://www.apache.org/licenses/LICENSE-2.0\n' |
| copyright += ' *\n' |
| copyright += ' * Unless required by applicable law or agreed to in writing, software\n' |
| copyright += ' * distributed under the License is distributed on an "AS IS" BASIS,\n' |
| copyright += ' * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n' |
| copyright += ' * See the License for the specific language governing permissions and\n' |
| copyright += ' * limitations under the License.\n' |
| copyright += ' */\n' |
| write(copyright, file=self.outFile) |
| # |
| # Write completed source code to output file |
| def endFile(self): |
| dest_file = '' |
| dest_file += self.OutputDestFile() |
| # Remove blank lines at EOF |
| if dest_file.endswith('\n'): |
| dest_file = dest_file[:-1] |
| write(dest_file, file=self.outFile); |
| # Finish processing in superclass |
| OutputGenerator.endFile(self) |
| # |
| # Processing at beginning of each feature or extension |
| def beginFeature(self, interface, emit): |
| OutputGenerator.beginFeature(self, interface, emit) |
| self.featureExtraProtect = GetFeatureProtect(interface) |
| |
| # |
| # Process commands, adding to dispatch list |
| def genCmd(self, cmdinfo, name, alias): |
| OutputGenerator.genCmd(self, cmdinfo, name, alias) |
| # Get first param type |
| params = cmdinfo.elem.findall('param') |
| info = self.getTypeNameTuple(params[0]) |
| self.AddCommandToDispatchList(name, info[0], self.featureExtraProtect, cmdinfo) |
| |
| # |
| # Determine if this API should be ignored or added to the funcptr list |
| def AddCommandToDispatchList(self, name, handle_type, protect, cmdinfo): |
| WSI_mandatory_extensions = [ |
| 'VK_KHR_win32_surface', |
| 'VK_KHR_xcb_surface', |
| 'VK_KHR_xlib_surface', |
| 'VK_KHR_wayland_surface', |
| 'VK_MVK_macos_surface', |
| 'VK_KHR_surface', |
| 'VK_KHR_swapchain', |
| 'VK_KHR_display', |
| 'VK_KHR_android_surface', |
| ] |
| if 'VK_VERSION' in self.featureName or self.featureName in WSI_mandatory_extensions: |
| self.dispatch_list.append((name, self.featureExtraProtect)) |
| return |
| # |
| # 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) |
| # |
| # Create the test function pointer source and return it as a string |
| def GenerateFunctionPointerSource(self): |
| entries = [] |
| table = funcptr_source_preamble |
| entries = self.dispatch_list |
| |
| for item in entries: |
| # Remove 'vk' from proto name |
| base_name = item[0][2:] |
| if item[1] is not None: |
| table += '#ifdef %s\n' % item[1] |
| table += 'PFN_%s %s;\n' % (item[0], base_name) |
| if item[1] is not None: |
| table += '#endif // %s\n' % item[1] |
| |
| table += ''' |
| |
| void InitDispatchTable() { |
| |
| #if(WIN32) |
| const char filename[] = "vulkan-1.dll"; |
| auto lib_handle = open_library(filename); |
| #elif(__APPLE__) |
| const char filename[] = "libvulkan.dylib"; |
| auto lib_handle = open_library(filename); |
| #else |
| const char *filename = "libvulkan.so"; |
| auto lib_handle = open_library(filename); |
| if (!lib_handle) { |
| filename = "libvulkan.so.1"; |
| lib_handle = open_library(filename); |
| } |
| #endif |
| |
| if (lib_handle == nullptr) { |
| printf("%s\\n", open_library_error(filename)); |
| exit(1); |
| } |
| |
| ''' |
| |
| for item in entries: |
| # Remove 'vk' from proto name |
| base_name = item[0][2:] |
| |
| if item[1] is not None: |
| table += '#ifdef %s\n' % item[1] |
| table += ' %s = reinterpret_cast<PFN_%s>(get_proc_address(lib_handle, "%s"));\n' % (base_name, item[0], item[0]) |
| if item[1] is not None: |
| table += '#endif // %s\n' % item[1] |
| table += '}\n\n' |
| table += '} // namespace vk' |
| return table |
| # |
| # Create the test function pointer source and return it as a string |
| def GenerateFunctionPointerHeader(self): |
| entries = [] |
| table = funcptr_header_preamble |
| entries = self.dispatch_list |
| |
| for item in entries: |
| # Remove 'vk' from proto name |
| base_name = item[0][2:] |
| if item[1] is not None: |
| table += '#ifdef %s\n' % item[1] |
| table += 'extern PFN_%s %s;\n' % (item[0], base_name) |
| if item[1] is not None: |
| table += '#endif // %s\n' % item[1] |
| table += '\n' |
| table += 'void InitDispatchTable();\n\n' |
| table += '} // namespace vk' |
| return table |
| |
| # Create a helper file and return it as a string |
| def OutputDestFile(self): |
| if self.lvt_file_type == 'function_pointer_header': |
| return self.GenerateFunctionPointerHeader() |
| elif self.lvt_file_type == 'function_pointer_source': |
| return self.GenerateFunctionPointerSource() |
| else: |
| return 'Bad LVT File Generator Option %s' % self.lvt_file_type |