| /* |
| * MoltenVKShaderConverterTool.h |
| * |
| * Copyright (c) 2014-2018 The Brenwill Workshop Ltd. (http://www.brenwill.com) |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| |
| #include "GLSLConversion.h" |
| #include <string> |
| #include <vector> |
| |
| |
| namespace mvk { |
| |
| |
| #pragma mark - |
| #pragma mark MoltenVKShaderConverterTool |
| |
| /** Converts GLSL files to SPIR-V and MSL files, and SPIR-V files to MSL files. */ |
| class MoltenVKShaderConverterTool { |
| |
| public: |
| |
| /** |
| * Called automatically during the conversion of all the files in a directory. |
| * Processes the specified file (which can contain either GLSL or SPIR-V code. |
| * Always returns false. |
| */ |
| bool processFile(std::string filePath); |
| |
| /** |
| * Run the converter based on command line arguments. |
| * Returns zero if all went well, or an error code if not. |
| */ |
| int run(); |
| |
| /** Constructor with specified command line arguments. */ |
| MoltenVKShaderConverterTool(int argc, const char* argv[]); |
| |
| protected: |
| MVKShaderStage shaderStageFromFileExtension(std::string& pathExtension); |
| bool isGLSLFileExtension(std::string& pathExtension); |
| bool isSPIRVFileExtension(std::string& pathExtension); |
| bool convertGLSL(std::string& glslInFile, |
| std::string& spvOutFile, |
| std::string& mslOutFile, |
| MVKShaderStage shaderStage); |
| bool convertSPIRV(std::string& spvInFile, |
| std::string& mslOutFile); |
| bool convertSPIRV(const std::vector<uint32_t>& spv, |
| std::string& inFile, |
| std::string& mslOutFile, |
| bool shouldLogSPV); |
| bool parseArgs(int argc, const char* argv[]); |
| void log(const char* logMsg); |
| void showUsage(); |
| bool isOptionArg(std::string& arg); |
| int optionParam(std::string& optionParamResult, |
| int optionArgIndex, |
| int argc, |
| const char* argv[]); |
| |
| std::string _processName; |
| std::string _directoryPath; |
| std::string _glslInFilePath; |
| std::string _spvInFilePath; |
| std::string _spvOutFilePath; |
| std::string _mslOutFilePath; |
| std::string _origPathExtnSep; |
| std::vector<std::string> _glslVtxFileExtns; |
| std::vector<std::string> _glslFragFileExtns; |
| std::vector<std::string> _glslCompFileExtns; |
| std::vector<std::string> _spvFileExtns; |
| MVKShaderStage _shaderStage; |
| bool _isActive; |
| bool _shouldUseDirectoryRecursion; |
| bool _shouldReadGLSL; |
| bool _shouldReadSPIRV; |
| bool _shouldWriteSPIRV; |
| bool _shouldWriteMSL; |
| bool _shouldCombineGLSLAndMSL; |
| bool _shouldFlipVertexY; |
| bool _shouldIncludeOrigPathExtn; |
| bool _shouldLogConversions; |
| }; |
| |
| |
| #pragma mark - |
| #pragma mark Support functions |
| |
| /** |
| * Extracts whitespace-delimited tokens from the specified string and |
| * appends them to the specified vector. The vector is not cleared first. |
| */ |
| void extractTokens(std::string str, std::vector<std::string>& tokens); |
| |
| /** Compares the specified strings, with or without sensitivity to case. */ |
| bool equal(std::string const& a, std::string const& b, bool checkCase = true); |
| |
| } |