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https://github.com/KhronosGroup/Vulkan-Utility-Libraries.git
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scripts: Add initial codegen scripts
This commit is contained in:
spencer-lunarg
Juan Ramos
parent
471366378c
commit
d8719df037
10 changed files with 13528 additions and 0 deletions
132
scripts/generators/enum_string_helper_generator.py
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132
scripts/generators/enum_string_helper_generator.py
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#!/usr/bin/python3 -i
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#
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# Copyright (c) 2015-2023 The Khronos Group Inc.
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# Copyright (c) 2015-2023 Valve Corporation
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# Copyright (c) 2015-2023 LunarG, Inc.
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# Copyright (c) 2015-2023 Google Inc.
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# Copyright (c) 2023-2023 RasterGrid Kft.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from generators.base_generator import BaseGenerator
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class EnumStringHelperOutputGenerator(BaseGenerator):
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def __init__(self):
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BaseGenerator.__init__(self)
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def generate(self):
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out = []
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out.append(f'''// *** THIS FILE IS GENERATED - DO NOT EDIT ***
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// See {os.path.basename(__file__)} for modifications
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/***************************************************************************
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*
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* Copyright (c) 2015-2023 The Khronos Group Inc.
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* Copyright (c) 2015-2023 Valve Corporation
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* Copyright (c) 2015-2023 LunarG, Inc.
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* Copyright (c) 2015-2023 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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****************************************************************************/
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''')
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out.append('// NOLINTBEGIN') # Wrap for clang-tidy to ignore
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out.append('''
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#pragma once
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#include <string>
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#include <vulkan/vulkan.h>
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''')
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# TODO - this should be moved into different generated util file
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out.append('\nstatic inline bool IsDuplicatePnext(VkStructureType input_value) {\n')
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out.append(' switch (input_value) {\n')
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for struct in [x for x in self.vk.structs.values() if x.allowDuplicate and x.sType is not None]:
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# The sType will always be first member of struct
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out.append(f' case {struct.sType}:\n')
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out.append(' return true;\n')
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out.append(' default:\n')
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out.append(' return false;\n')
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out.append(' }\n')
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out.append('}\n')
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out.append('\n')
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# If there are no fields (empty enum) ignore
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for enum in [x for x in self.vk.enums.values() if len(x.fields) > 0]:
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groupType = enum.name if enum.bitWidth == 32 else 'uint64_t'
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out.extend([f'#ifdef {enum.protect}\n'] if enum.protect else [])
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out.append(f'static inline const char* string_{enum.name}({groupType} input_value) {{\n')
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out.append(' switch (input_value) {\n')
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for field in enum.fields:
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out.extend([f'#ifdef {field.protect}\n'] if field.protect else [])
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out.append(f' case {field.name}:\n')
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out.append(f' return "{field.name}";\n')
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out.extend([f'#endif //{field.protect}\n'] if field.protect else [])
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out.append(' default:\n')
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out.append(f' return "Unhandled {enum.name}";\n')
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out.append(' }\n')
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out.append('}\n')
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out.extend([f'#endif //{enum.protect}\n'] if enum.protect else [])
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out.append('\n')
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# For bitmask, first create a string for FlagBits, then a Flags version that calls into it
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# If there are no flags (empty bitmask) ignore
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for bitmask in [x for x in self.vk.bitmasks.values() if len(x.flags) > 0]:
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groupType = bitmask.name if bitmask.bitWidth == 32 else 'uint64_t'
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out.extend([f'#ifdef {bitmask.protect}\n'] if bitmask.protect else [])
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out.append(f'static inline const char* string_{bitmask.name}({groupType} input_value) {{\n')
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out.append(' switch (input_value) {\n')
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for flag in [x for x in bitmask.flags if not x.multiBit]:
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out.extend([f'#ifdef {flag.protect}\n'] if flag.protect else [])
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out.append(f' case {flag.name}:\n')
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out.append(f' return "{flag.name}";\n')
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out.extend([f'#endif //{flag.protect}\n'] if flag.protect else [])
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out.append(' default:\n')
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out.append(f' return "Unhandled {bitmask.name}";\n')
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out.append(' }\n')
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out.append('}\n')
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mulitBitChecks = ''
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for flag in [x for x in bitmask.flags if x.multiBit]:
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mulitBitChecks += f' if (input_value == {flag.name}) {{ return "{flag.name}"; }}\n'
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intSuffix = 'U' if bitmask.bitWidth == 32 else 'ULL'
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out.append(f'''
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static inline std::string string_{bitmask.flagName}({bitmask.flagName} input_value) {{
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{mulitBitChecks} std::string ret;
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int index = 0;
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while(input_value) {{
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if (input_value & 1) {{
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if( !ret.empty()) ret.append("|");
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ret.append(string_{bitmask.name}(static_cast<{groupType}>(1{intSuffix} << index)));
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}}
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++index;
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input_value >>= 1;
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}}
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if (ret.empty()) ret.append("{bitmask.flagName}(0)");
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return ret;
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}}\n''')
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out.extend([f'#endif //{bitmask.protect}\n'] if bitmask.protect else [])
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out.append('// NOLINTEND') # Wrap for clang-tidy to ignore
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self.write("".join(out))
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