342 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			342 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//
 | 
						|
// Copyright (C) 2015 LunarG, Inc.
 | 
						|
//
 | 
						|
// All rights reserved.
 | 
						|
//
 | 
						|
// Redistribution and use in source and binary forms, with or without
 | 
						|
// modification, are permitted provided that the following conditions
 | 
						|
// are met:
 | 
						|
//
 | 
						|
//    Redistributions of source code must retain the above copyright
 | 
						|
//    notice, this list of conditions and the following disclaimer.
 | 
						|
//
 | 
						|
//    Redistributions in binary form must reproduce the above
 | 
						|
//    copyright notice, this list of conditions and the following
 | 
						|
//    disclaimer in the documentation and/or other materials provided
 | 
						|
//    with the distribution.
 | 
						|
//
 | 
						|
//    Neither the name of 3Dlabs Inc. Ltd. nor the names of its
 | 
						|
//    contributors may be used to endorse or promote products derived
 | 
						|
//    from this software without specific prior written permission.
 | 
						|
//
 | 
						|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 | 
						|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 | 
						|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 | 
						|
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 | 
						|
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 | 
						|
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 | 
						|
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 | 
						|
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 | 
						|
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 | 
						|
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 | 
						|
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 | 
						|
// POSSIBILITY OF SUCH DAMAGE.
 | 
						|
//
 | 
						|
 | 
						|
#include <iostream>
 | 
						|
#include <fstream>
 | 
						|
#include <cstring>
 | 
						|
#include <stdexcept>
 | 
						|
 | 
						|
#include "../SPIRV/SPVRemapper.h"
 | 
						|
 | 
						|
namespace {
 | 
						|
 | 
						|
    typedef unsigned int SpvWord;
 | 
						|
 | 
						|
    // Poor man's basename: given a complete path, return file portion.
 | 
						|
    // E.g:
 | 
						|
    //      Linux:  /foo/bar/test  -> test
 | 
						|
    //      Win:   c:\foo\bar\test -> test
 | 
						|
    // It's not very efficient, but that doesn't matter for our minimal-duty use.
 | 
						|
    // Using boost::filesystem would be better in many ways, but want to avoid that dependency.
 | 
						|
 | 
						|
    // OS dependent path separator (avoiding boost::filesystem dependency)
 | 
						|
#if defined(_WIN32)
 | 
						|
    char path_sep_char() { return '\\'; }
 | 
						|
#else
 | 
						|
    char path_sep_char() { return '/';  }
 | 
						|
#endif
 | 
						|
 | 
						|
    std::string basename(const std::string filename)
 | 
						|
    {
 | 
						|
        const size_t sepLoc = filename.find_last_of(path_sep_char());
 | 
						|
 | 
						|
        return (sepLoc == filename.npos) ? filename : filename.substr(sepLoc+1);
 | 
						|
    }
 | 
						|
 | 
						|
    void errHandler(const std::string& str) {
 | 
						|
        std::cout << str << std::endl;
 | 
						|
        exit(5);
 | 
						|
    }
 | 
						|
 | 
						|
    void logHandler(const std::string& str) {
 | 
						|
        std::cout << str << std::endl;
 | 
						|
    }
 | 
						|
 | 
						|
    // Read word stream from disk
 | 
						|
    void read(std::vector<SpvWord>& spv, const std::string& inFilename, int verbosity)
 | 
						|
    {
 | 
						|
        std::ifstream fp;
 | 
						|
 | 
						|
        if (verbosity > 0)
 | 
						|
            logHandler(std::string("  reading: ") + inFilename);
 | 
						|
 | 
						|
        spv.clear();
 | 
						|
        fp.open(inFilename, std::fstream::in | std::fstream::binary);
 | 
						|
 | 
						|
        if (fp.fail())
 | 
						|
            errHandler("error opening file for read: ");
 | 
						|
 | 
						|
        // Reserve space (for efficiency, not for correctness)
 | 
						|
        fp.seekg(0, fp.end);
 | 
						|
        spv.reserve(size_t(fp.tellg()) / sizeof(SpvWord));
 | 
						|
        fp.seekg(0, fp.beg);
 | 
						|
 | 
						|
        while (!fp.eof()) {
 | 
						|
            SpvWord inWord;
 | 
						|
            fp.read((char *)&inWord, sizeof(inWord));
 | 
						|
 | 
						|
            if (!fp.eof()) {
 | 
						|
                spv.push_back(inWord);
 | 
						|
                if (fp.fail())
 | 
						|
                    errHandler(std::string("error reading file: ") + inFilename);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    void write(std::vector<SpvWord>& spv, const std::string& outFile, int verbosity)
 | 
						|
    {
 | 
						|
        if (outFile.empty())
 | 
						|
            errHandler("missing output filename.");
 | 
						|
 | 
						|
        std::ofstream fp;
 | 
						|
 | 
						|
        if (verbosity > 0)
 | 
						|
            logHandler(std::string("  writing: ") + outFile);
 | 
						|
 | 
						|
        fp.open(outFile, std::fstream::out | std::fstream::binary);
 | 
						|
 | 
						|
        if (fp.fail())
 | 
						|
            errHandler(std::string("error opening file for write: ") + outFile);
 | 
						|
 | 
						|
        for (auto it = spv.cbegin(); it != spv.cend(); ++it) {
 | 
						|
            SpvWord word = *it;
 | 
						|
            fp.write((char *)&word, sizeof(word));
 | 
						|
            if (fp.fail())
 | 
						|
                errHandler(std::string("error writing file: ") + outFile);
 | 
						|
        }
 | 
						|
 | 
						|
        // file is closed by destructor
 | 
						|
    }
 | 
						|
 | 
						|
    // Print helpful usage message to stdout, and exit
 | 
						|
    void usage(const char* const name, const char* const msg = 0)
 | 
						|
    {
 | 
						|
        if (msg)
 | 
						|
            std::cout << msg << std::endl << std::endl;
 | 
						|
 | 
						|
        std::cout << "Usage: " << std::endl;
 | 
						|
 | 
						|
        std::cout << "  " << basename(name)
 | 
						|
            << " [-v[v[...]] | --verbose [int]]"
 | 
						|
            << " [--map (all|types|names|funcs)]"
 | 
						|
            << " [--dce (all|types|funcs)]"
 | 
						|
            << " [--opt (all|loadstore)]"
 | 
						|
            << " [--strip-all | --strip all | -s]"
 | 
						|
            << " [--do-everything]"
 | 
						|
            << " --input | -i file1 [file2...] --output|-o DESTDIR"
 | 
						|
            << std::endl;
 | 
						|
 | 
						|
        std::cout << "  " << basename(name) << " [--version | -V]" << std::endl;
 | 
						|
        std::cout << "  " << basename(name) << " [--help | -?]" << std::endl;
 | 
						|
 | 
						|
        exit(5);
 | 
						|
    }
 | 
						|
 | 
						|
    // grind through each SPIR in turn
 | 
						|
    void execute(const std::vector<std::string>& inputFile, const std::string& outputDir,
 | 
						|
        int opts, int verbosity)
 | 
						|
    {
 | 
						|
        for (auto it = inputFile.cbegin(); it != inputFile.cend(); ++it) {
 | 
						|
            const std::string &filename = *it;
 | 
						|
            std::vector<SpvWord> spv;
 | 
						|
            read(spv, filename, verbosity);
 | 
						|
            spv::spirvbin_t(verbosity).remap(spv, opts);
 | 
						|
 | 
						|
            const std::string outfile = outputDir + path_sep_char() + basename(filename);
 | 
						|
 | 
						|
            write(spv, outfile, verbosity);
 | 
						|
        }
 | 
						|
 | 
						|
        if (verbosity > 0)
 | 
						|
            std::cout << "Done: " << inputFile.size() << " file(s) processed" << std::endl;
 | 
						|
    }
 | 
						|
 | 
						|
    // Parse command line options
 | 
						|
    void parseCmdLine(int argc, char** argv, std::vector<std::string>& inputFile,
 | 
						|
        std::string& outputDir,
 | 
						|
        int& options,
 | 
						|
        int& verbosity)
 | 
						|
    {
 | 
						|
        if (argc < 2)
 | 
						|
            usage(argv[0]);
 | 
						|
 | 
						|
        verbosity  = 0;
 | 
						|
        options    = spv::spirvbin_t::NONE;
 | 
						|
 | 
						|
        // Parse command line.
 | 
						|
        // boost::program_options would be quite a bit nicer, but we don't want to
 | 
						|
        // introduce a dependency on boost.
 | 
						|
        for (int a=1; a<argc; ) {
 | 
						|
            const std::string arg = argv[a];
 | 
						|
 | 
						|
            if (arg == "--output" || arg == "-o") {
 | 
						|
                // Output directory
 | 
						|
                if (++a >= argc)
 | 
						|
                    usage(argv[0], "--output requires an argument");
 | 
						|
                if (!outputDir.empty())
 | 
						|
                    usage(argv[0], "--output can be provided only once");
 | 
						|
 | 
						|
                outputDir = argv[a++];
 | 
						|
 | 
						|
                // Remove trailing directory separator characters
 | 
						|
                while (!outputDir.empty() && outputDir.back() == path_sep_char())
 | 
						|
                    outputDir.pop_back();
 | 
						|
 | 
						|
            }
 | 
						|
            else if (arg == "-vv")     { verbosity = 2; ++a; } // verbosity shortcuts
 | 
						|
            else if (arg == "-vvv")    { verbosity = 3; ++a; } // ...
 | 
						|
            else if (arg == "-vvvv")   { verbosity = 4; ++a; } // ...
 | 
						|
            else if (arg == "-vvvvv")  { verbosity = 5; ++a; } // ...
 | 
						|
 | 
						|
            else if (arg == "--verbose" || arg == "-v") {
 | 
						|
                ++a;
 | 
						|
                verbosity = 1;
 | 
						|
 | 
						|
                if (a < argc) {
 | 
						|
                    char* end_ptr = 0;
 | 
						|
                    int verb = ::strtol(argv[a], &end_ptr, 10);
 | 
						|
                    // If we have not read to the end of the string or
 | 
						|
                    // the string contained no elements, then we do not want to
 | 
						|
                    // store the value.
 | 
						|
                    if (*end_ptr == '\0' && end_ptr != argv[a]) {
 | 
						|
                        verbosity = verb;
 | 
						|
                        ++a;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            else if (arg == "--version" || arg == "-V") {
 | 
						|
                std::cout << basename(argv[0]) << " version 0.97" << std::endl;
 | 
						|
                exit(0);
 | 
						|
            } else if (arg == "--input" || arg == "-i") {
 | 
						|
                // Collect input files
 | 
						|
                for (++a; a < argc && argv[a][0] != '-'; ++a)
 | 
						|
                    inputFile.push_back(argv[a]);
 | 
						|
            } else if (arg == "--do-everything") {
 | 
						|
                ++a;
 | 
						|
                options = options | spv::spirvbin_t::DO_EVERYTHING;
 | 
						|
            } else if (arg == "--strip-all" || arg == "-s") {
 | 
						|
                ++a;
 | 
						|
                options = options | spv::spirvbin_t::STRIP;
 | 
						|
            } else if (arg == "--strip") {
 | 
						|
                ++a;
 | 
						|
                if (strncmp(argv[a], "all", 3) == 0) {
 | 
						|
                    options = options | spv::spirvbin_t::STRIP;
 | 
						|
                    ++a;
 | 
						|
                }
 | 
						|
            } else if (arg == "--dce") {
 | 
						|
                // Parse comma (or colon, etc) separated list of things to dce
 | 
						|
                ++a;
 | 
						|
                for (const char* c = argv[a]; *c; ++c) {
 | 
						|
                    if (strncmp(c, "all", 3) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::DCE_ALL);
 | 
						|
                        c += 3;
 | 
						|
                    } else if (strncmp(c, "*", 1) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::DCE_ALL);
 | 
						|
                        c += 1;
 | 
						|
                    } else if (strncmp(c, "funcs", 5) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::DCE_FUNCS);
 | 
						|
                        c += 5;
 | 
						|
                    } else if (strncmp(c, "types", 5) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::DCE_TYPES);
 | 
						|
                        c += 5;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                ++a;
 | 
						|
            } else if (arg == "--map") {
 | 
						|
                // Parse comma (or colon, etc) separated list of things to map
 | 
						|
                ++a;
 | 
						|
                for (const char* c = argv[a]; *c; ++c) {
 | 
						|
                    if (strncmp(c, "all", 3) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::MAP_ALL);
 | 
						|
                        c += 3;
 | 
						|
                    } else if (strncmp(c, "*", 1) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::MAP_ALL);
 | 
						|
                        c += 1;
 | 
						|
                    } else if (strncmp(c, "types", 5) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::MAP_TYPES);
 | 
						|
                        c += 5;
 | 
						|
                    } else if (strncmp(c, "names", 5) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::MAP_NAMES);
 | 
						|
                        c += 5;
 | 
						|
                    } else if (strncmp(c, "funcs", 5) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::MAP_FUNCS);
 | 
						|
                        c += 5;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                ++a;
 | 
						|
            } else if (arg == "--opt") {
 | 
						|
                ++a;
 | 
						|
                for (const char* c = argv[a]; *c; ++c) {
 | 
						|
                    if (strncmp(c, "all", 3) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::OPT_ALL);
 | 
						|
                        c += 3;
 | 
						|
                    } else if (strncmp(c, "*", 1) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::OPT_ALL);
 | 
						|
                        c += 1;
 | 
						|
                    } else if (strncmp(c, "loadstore", 9) == 0) {
 | 
						|
                        options = (options | spv::spirvbin_t::OPT_LOADSTORE);
 | 
						|
                        c += 9;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                ++a;
 | 
						|
            } else if (arg == "--help" || arg == "-?") {
 | 
						|
                usage(argv[0]);
 | 
						|
            } else {
 | 
						|
                usage(argv[0], "Unknown command line option");
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
} // namespace
 | 
						|
 | 
						|
int main(int argc, char** argv)
 | 
						|
{
 | 
						|
    std::vector<std::string> inputFile;
 | 
						|
    std::string              outputDir;
 | 
						|
    int                      opts;
 | 
						|
    int                      verbosity;
 | 
						|
 | 
						|
#ifdef use_cpp11
 | 
						|
    // handle errors by exiting
 | 
						|
    spv::spirvbin_t::registerErrorHandler(errHandler);
 | 
						|
 | 
						|
    // Log messages to std::cout
 | 
						|
    spv::spirvbin_t::registerLogHandler(logHandler);
 | 
						|
#endif
 | 
						|
 | 
						|
    if (argc < 2)
 | 
						|
        usage(argv[0]);
 | 
						|
 | 
						|
    parseCmdLine(argc, argv, inputFile, outputDir, opts, verbosity);
 | 
						|
 | 
						|
    if (outputDir.empty())
 | 
						|
        usage(argv[0], "Output directory required");
 | 
						|
 | 
						|
    // Main operations: read, remap, and write.
 | 
						|
    execute(inputFile, outputDir, opts, verbosity);
 | 
						|
 | 
						|
    // If we get here, everything went OK!  Nothing more to be done.
 | 
						|
}
 |