| // |
| // Copyright (C) 2002-2005 3Dlabs Inc. Ltd. |
| // Copyright (C) 2013-2016 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. |
| // |
| |
| // this only applies to the standalone wrapper, not the front end in general |
| #ifndef _CRT_SECURE_NO_WARNINGS |
| #define _CRT_SECURE_NO_WARNINGS |
| #endif |
| |
| #include "ResourceLimits.h" |
| #include "Worklist.h" |
| #include "DirStackFileIncluder.h" |
| #include "./../glslang/Include/ShHandle.h" |
| #include "./../glslang/Include/revision.h" |
| #include "./../glslang/Public/ShaderLang.h" |
| #include "../SPIRV/GlslangToSpv.h" |
| #include "../SPIRV/GLSL.std.450.h" |
| #include "../SPIRV/doc.h" |
| #include "../SPIRV/disassemble.h" |
| |
| #include <cstring> |
| #include <cstdlib> |
| #include <cctype> |
| #include <cmath> |
| #include <array> |
| #include <memory> |
| #include <thread> |
| |
| #include "../glslang/OSDependent/osinclude.h" |
| |
| extern "C" { |
| SH_IMPORT_EXPORT void ShOutputHtml(); |
| } |
| |
| // Command-line options |
| enum TOptions { |
| EOptionNone = 0, |
| EOptionIntermediate = (1 << 0), |
| EOptionSuppressInfolog = (1 << 1), |
| EOptionMemoryLeakMode = (1 << 2), |
| EOptionRelaxedErrors = (1 << 3), |
| EOptionGiveWarnings = (1 << 4), |
| EOptionLinkProgram = (1 << 5), |
| EOptionMultiThreaded = (1 << 6), |
| EOptionDumpConfig = (1 << 7), |
| EOptionDumpReflection = (1 << 8), |
| EOptionSuppressWarnings = (1 << 9), |
| EOptionDumpVersions = (1 << 10), |
| EOptionSpv = (1 << 11), |
| EOptionHumanReadableSpv = (1 << 12), |
| EOptionVulkanRules = (1 << 13), |
| EOptionDefaultDesktop = (1 << 14), |
| EOptionOutputPreprocessed = (1 << 15), |
| EOptionOutputHexadecimal = (1 << 16), |
| EOptionReadHlsl = (1 << 17), |
| EOptionCascadingErrors = (1 << 18), |
| EOptionAutoMapBindings = (1 << 19), |
| EOptionFlattenUniformArrays = (1 << 20), |
| EOptionNoStorageFormat = (1 << 21), |
| EOptionKeepUncalled = (1 << 22), |
| EOptionHlslOffsets = (1 << 23), |
| EOptionHlslIoMapping = (1 << 24), |
| EOptionAutoMapLocations = (1 << 25), |
| EOptionDebug = (1 << 26), |
| EOptionStdin = (1 << 27), |
| EOptionOptimizeDisable = (1 << 28), |
| EOptionOptimizeSize = (1 << 29), |
| }; |
| |
| // |
| // Return codes from main/exit(). |
| // |
| enum TFailCode { |
| ESuccess = 0, |
| EFailUsage, |
| EFailCompile, |
| EFailLink, |
| EFailCompilerCreate, |
| EFailThreadCreate, |
| EFailLinkerCreate |
| }; |
| |
| // |
| // Forward declarations. |
| // |
| EShLanguage FindLanguage(const std::string& name, bool parseSuffix=true); |
| void CompileFile(const char* fileName, ShHandle); |
| void usage(); |
| char* ReadFileData(const char* fileName); |
| void FreeFileData(char* data); |
| void InfoLogMsg(const char* msg, const char* name, const int num); |
| |
| // Globally track if any compile or link failure. |
| bool CompileFailed = false; |
| bool LinkFailed = false; |
| |
| TBuiltInResource Resources; |
| std::string ConfigFile; |
| |
| // |
| // Parse either a .conf file provided by the user or the default from glslang::DefaultTBuiltInResource |
| // |
| void ProcessConfigFile() |
| { |
| if (ConfigFile.size() == 0) |
| Resources = glslang::DefaultTBuiltInResource; |
| else { |
| char* configString = ReadFileData(ConfigFile.c_str()); |
| glslang::DecodeResourceLimits(&Resources, configString); |
| FreeFileData(configString); |
| } |
| } |
| |
| int Options = 0; |
| const char* ExecutableName = nullptr; |
| const char* binaryFileName = nullptr; |
| const char* entryPointName = nullptr; |
| const char* sourceEntryPointName = nullptr; |
| const char* shaderStageName = nullptr; |
| const char* variableName = nullptr; |
| std::vector<std::string> IncludeDirectoryList; |
| int ClientInputSemanticsVersion = 100; // maps to, say, #define VULKAN 100 |
| int VulkanClientVersion = 100; // would map to, say, Vulkan 1.0 |
| int OpenGLClientVersion = 450; // doesn't influence anything yet, but maps to OpenGL 4.50 |
| unsigned int TargetVersion = 0x00001000; // maps to, say, SPIR-V 1.0 |
| std::vector<std::string> Processes; // what should be recorded by OpModuleProcessed, or equivalent |
| |
| std::array<unsigned int, EShLangCount> baseSamplerBinding; |
| std::array<unsigned int, EShLangCount> baseTextureBinding; |
| std::array<unsigned int, EShLangCount> baseImageBinding; |
| std::array<unsigned int, EShLangCount> baseUboBinding; |
| std::array<unsigned int, EShLangCount> baseSsboBinding; |
| std::array<unsigned int, EShLangCount> baseUavBinding; |
| std::array<std::vector<std::string>, EShLangCount> baseResourceSetBinding; |
| |
| // Add things like "#define ..." to a preamble to use in the beginning of the shader. |
| class TPreamble { |
| public: |
| TPreamble() { } |
| |
| bool isSet() const { return text.size() > 0; } |
| const char* get() const { return text.c_str(); } |
| |
| // #define... |
| void addDef(std::string def) |
| { |
| text.append("#define "); |
| fixLine(def); |
| |
| Processes.push_back("D"); |
| Processes.back().append(def); |
| |
| // The first "=" needs to turn into a space |
| const size_t equal = def.find_first_of("="); |
| if (equal != def.npos) |
| def[equal] = ' '; |
| |
| text.append(def); |
| text.append("\n"); |
| } |
| |
| // #undef... |
| void addUndef(std::string undef) |
| { |
| text.append("#undef "); |
| fixLine(undef); |
| |
| Processes.push_back("U"); |
| Processes.back().append(undef); |
| |
| text.append(undef); |
| text.append("\n"); |
| } |
| |
| protected: |
| void fixLine(std::string& line) |
| { |
| // Can't go past a newline in the line |
| const size_t end = line.find_first_of("\n"); |
| if (end != line.npos) |
| line = line.substr(0, end); |
| } |
| |
| std::string text; // contents of preamble |
| }; |
| |
| TPreamble UserPreamble; |
| |
| // |
| // Create the default name for saving a binary if -o is not provided. |
| // |
| const char* GetBinaryName(EShLanguage stage) |
| { |
| const char* name; |
| if (binaryFileName == nullptr) { |
| switch (stage) { |
| case EShLangVertex: name = "vert.spv"; break; |
| case EShLangTessControl: name = "tesc.spv"; break; |
| case EShLangTessEvaluation: name = "tese.spv"; break; |
| case EShLangGeometry: name = "geom.spv"; break; |
| case EShLangFragment: name = "frag.spv"; break; |
| case EShLangCompute: name = "comp.spv"; break; |
| default: name = "unknown"; break; |
| } |
| } else |
| name = binaryFileName; |
| |
| return name; |
| } |
| |
| // |
| // *.conf => this is a config file that can set limits/resources |
| // |
| bool SetConfigFile(const std::string& name) |
| { |
| if (name.size() < 5) |
| return false; |
| |
| if (name.compare(name.size() - 5, 5, ".conf") == 0) { |
| ConfigFile = name; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| // |
| // Give error and exit with failure code. |
| // |
| void Error(const char* message) |
| { |
| printf("%s: Error %s (use -h for usage)\n", ExecutableName, message); |
| exit(EFailUsage); |
| } |
| |
| // |
| // Process an optional binding base of the form: |
| // --argname [stage] base |
| // Where stage is one of the forms accepted by FindLanguage, and base is an integer |
| // |
| void ProcessBindingBase(int& argc, char**& argv, std::array<unsigned int, EShLangCount>& base) |
| { |
| if (argc < 2) |
| usage(); |
| |
| if (!isdigit(argv[1][0])) { |
| if (argc < 3) // this form needs one more argument |
| usage(); |
| |
| // Parse form: --argname stage base |
| const EShLanguage lang = FindLanguage(argv[1], false); |
| base[lang] = atoi(argv[2]); |
| argc-= 2; |
| argv+= 2; |
| } else { |
| // Parse form: --argname base |
| for (int lang=0; lang<EShLangCount; ++lang) |
| base[lang] = atoi(argv[1]); |
| |
| argc--; |
| argv++; |
| } |
| } |
| |
| void ProcessResourceSetBindingBase(int& argc, char**& argv, std::array<std::vector<std::string>, EShLangCount>& base) |
| { |
| if (argc < 2) |
| usage(); |
| |
| if (!isdigit(argv[1][0])) { |
| if (argc < 3) // this form needs one more argument |
| usage(); |
| |
| // Parse form: --argname stage [regname set base...], or: |
| // --argname stage set |
| const EShLanguage lang = FindLanguage(argv[1], false); |
| |
| argc--; |
| argv++; |
| |
| while (argc > 1 && argv[1] != nullptr && argv[1][0] != '-') { |
| base[lang].push_back(argv[1]); |
| |
| argc--; |
| argv++; |
| } |
| |
| // Must have one arg, or a multiple of three (for [regname set binding] triples) |
| if (base[lang].size() != 1 && (base[lang].size() % 3) != 0) |
| usage(); |
| |
| } else { |
| // Parse form: --argname set |
| for (int lang=0; lang<EShLangCount; ++lang) |
| base[lang].push_back(argv[1]); |
| |
| argc--; |
| argv++; |
| } |
| } |
| |
| // |
| // Do all command-line argument parsing. This includes building up the work-items |
| // to be processed later, and saving all the command-line options. |
| // |
| // Does not return (it exits) if command-line is fatally flawed. |
| // |
| void ProcessArguments(std::vector<std::unique_ptr<glslang::TWorkItem>>& workItems, int argc, char* argv[]) |
| { |
| baseSamplerBinding.fill(0); |
| baseTextureBinding.fill(0); |
| baseImageBinding.fill(0); |
| baseUboBinding.fill(0); |
| baseSsboBinding.fill(0); |
| baseUavBinding.fill(0); |
| |
| ExecutableName = argv[0]; |
| workItems.reserve(argc); |
| |
| const auto bumpArg = [&]() { |
| if (argc > 0) { |
| argc--; |
| argv++; |
| } |
| }; |
| |
| // read a string directly attached to a single-letter option |
| const auto getStringOperand = [&](const char* desc) { |
| if (argv[0][2] == 0) { |
| printf("%s must immediately follow option (no spaces)\n", desc); |
| exit(EFailUsage); |
| } |
| return argv[0] + 2; |
| }; |
| |
| // read a number attached to a single-letter option |
| const auto getAttachedNumber = [&](const char* desc) { |
| int num = atoi(argv[0] + 2); |
| if (num == 0) { |
| printf("%s: expected attached non-0 number\n", desc); |
| exit(EFailUsage); |
| } |
| return num; |
| }; |
| |
| // minimum needed (without overriding something else) to target Vulkan SPIR-V |
| const auto setVulkanSpv = []() { |
| Options |= EOptionSpv; |
| Options |= EOptionVulkanRules; |
| Options |= EOptionLinkProgram; |
| }; |
| |
| // minimum needed (without overriding something else) to target OpenGL SPIR-V |
| const auto setOpenGlSpv = []() { |
| Options |= EOptionSpv; |
| Options |= EOptionLinkProgram; |
| // undo a -H default to Vulkan |
| Options &= ~EOptionVulkanRules; |
| }; |
| |
| for (bumpArg(); argc >= 1; bumpArg()) { |
| if (argv[0][0] == '-') { |
| switch (argv[0][1]) { |
| case '-': |
| { |
| std::string lowerword(argv[0]+2); |
| std::transform(lowerword.begin(), lowerword.end(), lowerword.begin(), ::tolower); |
| |
| // handle --word style options |
| if (lowerword == "auto-map-bindings" || // synonyms |
| lowerword == "auto-map-binding" || |
| lowerword == "amb") { |
| Options |= EOptionAutoMapBindings; |
| } else if (lowerword == "auto-map-locations" || // synonyms |
| lowerword == "aml") { |
| Options |= EOptionAutoMapLocations; |
| } else if (lowerword == "client") { |
| if (argc > 1) { |
| if (strcmp(argv[1], "vulkan100") == 0) |
| setVulkanSpv(); |
| else if (strcmp(argv[1], "opengl100") == 0) |
| setOpenGlSpv(); |
| else |
| Error("--client expects vulkan100 or opengl100"); |
| } |
| bumpArg(); |
| } else if (lowerword == "flatten-uniform-arrays" || // synonyms |
| lowerword == "flatten-uniform-array" || |
| lowerword == "fua") { |
| Options |= EOptionFlattenUniformArrays; |
| } else if (lowerword == "hlsl-offsets") { |
| Options |= EOptionHlslOffsets; |
| } else if (lowerword == "hlsl-iomap" || |
| lowerword == "hlsl-iomapper" || |
| lowerword == "hlsl-iomapping") { |
| Options |= EOptionHlslIoMapping; |
| } else if (lowerword == "keep-uncalled" || // synonyms |
| lowerword == "ku") { |
| Options |= EOptionKeepUncalled; |
| } else if (lowerword == "no-storage-format" || // synonyms |
| lowerword == "nsf") { |
| Options |= EOptionNoStorageFormat; |
| } else if (lowerword == "relaxed-errors") { |
| Options |= EOptionRelaxedErrors; |
| } else if (lowerword == "resource-set-bindings" || // synonyms |
| lowerword == "resource-set-binding" || |
| lowerword == "rsb") { |
| ProcessResourceSetBindingBase(argc, argv, baseResourceSetBinding); |
| } else if (lowerword == "shift-image-bindings" || // synonyms |
| lowerword == "shift-image-binding" || |
| lowerword == "sib") { |
| ProcessBindingBase(argc, argv, baseImageBinding); |
| } else if (lowerword == "shift-sampler-bindings" || // synonyms |
| lowerword == "shift-sampler-binding" || |
| lowerword == "ssb") { |
| ProcessBindingBase(argc, argv, baseSamplerBinding); |
| } else if (lowerword == "shift-uav-bindings" || // synonyms |
| lowerword == "shift-uav-binding" || |
| lowerword == "suavb") { |
| ProcessBindingBase(argc, argv, baseUavBinding); |
| } else if (lowerword == "shift-texture-bindings" || // synonyms |
| lowerword == "shift-texture-binding" || |
| lowerword == "stb") { |
| ProcessBindingBase(argc, argv, baseTextureBinding); |
| } else if (lowerword == "shift-ubo-bindings" || // synonyms |
| lowerword == "shift-ubo-binding" || |
| lowerword == "shift-cbuffer-bindings" || |
| lowerword == "shift-cbuffer-binding" || |
| lowerword == "sub" || |
| lowerword == "scb") { |
| ProcessBindingBase(argc, argv, baseUboBinding); |
| } else if (lowerword == "shift-ssbo-bindings" || // synonyms |
| lowerword == "shift-ssbo-binding" || |
| lowerword == "sbb") { |
| ProcessBindingBase(argc, argv, baseSsboBinding); |
| } else if (lowerword == "source-entrypoint" || // synonyms |
| lowerword == "sep") { |
| if (argc <= 1) |
| Error("no <entry-point> provided for --source-entrypoint"); |
| sourceEntryPointName = argv[1]; |
| bumpArg(); |
| break; |
| } else if (lowerword == "stdin") { |
| Options |= EOptionStdin; |
| shaderStageName = argv[1]; |
| } else if (lowerword == "suppress-warnings") { |
| Options |= EOptionSuppressWarnings; |
| } else if (lowerword == "target-env") { |
| if (argc > 1) { |
| if (strcmp(argv[1], "vulkan1.0") == 0) { |
| setVulkanSpv(); |
| VulkanClientVersion = 100; |
| } else if (strcmp(argv[1], "opengl") == 0) { |
| setOpenGlSpv(); |
| OpenGLClientVersion = 450; |
| } else |
| Error("--target-env expected vulkan1.0 or opengl"); |
| } |
| bumpArg(); |
| } else if (lowerword == "variable-name" || // synonyms |
| lowerword == "vn") { |
| Options |= EOptionOutputHexadecimal; |
| if (argc <= 1) |
| Error("no <C-variable-name> provided for --variable-name"); |
| variableName = argv[1]; |
| bumpArg(); |
| break; |
| } else { |
| usage(); |
| } |
| } |
| break; |
| case 'C': |
| Options |= EOptionCascadingErrors; |
| break; |
| case 'D': |
| if (argv[0][2] == 0) |
| Options |= EOptionReadHlsl; |
| else |
| UserPreamble.addDef(getStringOperand("-D<macro> macro name")); |
| break; |
| case 'E': |
| Options |= EOptionOutputPreprocessed; |
| break; |
| case 'G': |
| // OpenGL Client |
| setOpenGlSpv(); |
| if (argv[0][2] != 0) |
| ClientInputSemanticsVersion = getAttachedNumber("-G<num> client input semantics"); |
| break; |
| case 'H': |
| Options |= EOptionHumanReadableSpv; |
| if ((Options & EOptionSpv) == 0) { |
| // default to Vulkan |
| setVulkanSpv(); |
| } |
| break; |
| case 'I': |
| IncludeDirectoryList.push_back(getStringOperand("-I<dir> include path")); |
| break; |
| case 'O': |
| if (argv[0][2] == 'd') |
| Options |= EOptionOptimizeDisable; |
| else if (argv[0][2] == 's') |
| #ifdef ENABLE_OPT |
| Options |= EOptionOptimizeSize; |
| #else |
| Error("-Os not available; optimizer not linked"); |
| #endif |
| else |
| Error("unknown -O option"); |
| break; |
| case 'S': |
| if (argc <= 1) |
| Error("no <stage> specified for -S"); |
| shaderStageName = argv[1]; |
| bumpArg(); |
| break; |
| case 'U': |
| UserPreamble.addUndef(getStringOperand("-U<macro>: macro name")); |
| break; |
| case 'V': |
| setVulkanSpv(); |
| if (argv[0][2] != 0) |
| ClientInputSemanticsVersion = getAttachedNumber("-G<num> client input semantics"); |
| break; |
| case 'c': |
| Options |= EOptionDumpConfig; |
| break; |
| case 'd': |
| Options |= EOptionDefaultDesktop; |
| break; |
| case 'e': |
| // HLSL todo: entry point handle needs much more sophistication. |
| // This is okay for one compilation unit with one entry point. |
| entryPointName = argv[1]; |
| if (argc <= 1) |
| Error("no <name> provided for -e"); |
| bumpArg(); |
| break; |
| case 'g': |
| Options |= EOptionDebug; |
| break; |
| case 'h': |
| usage(); |
| break; |
| case 'i': |
| Options |= EOptionIntermediate; |
| break; |
| case 'l': |
| Options |= EOptionLinkProgram; |
| break; |
| case 'm': |
| Options |= EOptionMemoryLeakMode; |
| break; |
| case 'o': |
| if (argc <= 1) |
| Error("no <file> provided for -o"); |
| binaryFileName = argv[1]; |
| bumpArg(); |
| break; |
| case 'q': |
| Options |= EOptionDumpReflection; |
| break; |
| case 'r': |
| Options |= EOptionRelaxedErrors; |
| break; |
| case 's': |
| Options |= EOptionSuppressInfolog; |
| break; |
| case 't': |
| Options |= EOptionMultiThreaded; |
| break; |
| case 'v': |
| Options |= EOptionDumpVersions; |
| break; |
| case 'w': |
| Options |= EOptionSuppressWarnings; |
| break; |
| case 'x': |
| Options |= EOptionOutputHexadecimal; |
| break; |
| default: |
| usage(); |
| break; |
| } |
| } else { |
| std::string name(argv[0]); |
| if (! SetConfigFile(name)) { |
| workItems.push_back(std::unique_ptr<glslang::TWorkItem>(new glslang::TWorkItem(name))); |
| } |
| } |
| } |
| |
| // Make sure that -S is always specified if --stdin is specified |
| if ((Options & EOptionStdin) && shaderStageName == nullptr) |
| Error("must provide -S when --stdin is given"); |
| |
| // Make sure that -E is not specified alongside linking (which includes SPV generation) |
| if ((Options & EOptionOutputPreprocessed) && (Options & EOptionLinkProgram)) |
| Error("can't use -E when linking is selected"); |
| |
| // -o or -x makes no sense if there is no target binary |
| if (binaryFileName && (Options & EOptionSpv) == 0) |
| Error("no binary generation requested (e.g., -V)"); |
| |
| if ((Options & EOptionFlattenUniformArrays) != 0 && |
| (Options & EOptionReadHlsl) == 0) |
| Error("uniform array flattening only valid when compiling HLSL source."); |
| } |
| |
| // |
| // Translate the meaningful subset of command-line options to parser-behavior options. |
| // |
| void SetMessageOptions(EShMessages& messages) |
| { |
| if (Options & EOptionRelaxedErrors) |
| messages = (EShMessages)(messages | EShMsgRelaxedErrors); |
| if (Options & EOptionIntermediate) |
| messages = (EShMessages)(messages | EShMsgAST); |
| if (Options & EOptionSuppressWarnings) |
| messages = (EShMessages)(messages | EShMsgSuppressWarnings); |
| if (Options & EOptionSpv) |
| messages = (EShMessages)(messages | EShMsgSpvRules); |
| if (Options & EOptionVulkanRules) |
| messages = (EShMessages)(messages | EShMsgVulkanRules); |
| if (Options & EOptionOutputPreprocessed) |
| messages = (EShMessages)(messages | EShMsgOnlyPreprocessor); |
| if (Options & EOptionReadHlsl) |
| messages = (EShMessages)(messages | EShMsgReadHlsl); |
| if (Options & EOptionCascadingErrors) |
| messages = (EShMessages)(messages | EShMsgCascadingErrors); |
| if (Options & EOptionKeepUncalled) |
| messages = (EShMessages)(messages | EShMsgKeepUncalled); |
| if (Options & EOptionHlslOffsets) |
| messages = (EShMessages)(messages | EShMsgHlslOffsets); |
| if (Options & EOptionDebug) |
| messages = (EShMessages)(messages | EShMsgDebugInfo); |
| } |
| |
| // |
| // Thread entry point, for non-linking asynchronous mode. |
| // |
| void CompileShaders(glslang::TWorklist& worklist) |
| { |
| glslang::TWorkItem* workItem; |
| if (Options & EOptionStdin) { |
| worklist.remove(workItem); |
| ShHandle compiler = ShConstructCompiler(FindLanguage("stdin"), Options); |
| if (compiler == 0) |
| return; |
| |
| CompileFile("stdin", compiler); |
| |
| if (! (Options & EOptionSuppressInfolog)) |
| workItem->results = ShGetInfoLog(compiler); |
| |
| ShDestruct(compiler); |
| } else { |
| while (worklist.remove(workItem)) { |
| ShHandle compiler = ShConstructCompiler(FindLanguage(workItem->name), Options); |
| if (compiler == 0) |
| return; |
| |
| CompileFile(workItem->name.c_str(), compiler); |
| |
| if (! (Options & EOptionSuppressInfolog)) |
| workItem->results = ShGetInfoLog(compiler); |
| |
| ShDestruct(compiler); |
| } |
| } |
| } |
| |
| // Outputs the given string, but only if it is non-null and non-empty. |
| // This prevents erroneous newlines from appearing. |
| void PutsIfNonEmpty(const char* str) |
| { |
| if (str && str[0]) { |
| puts(str); |
| } |
| } |
| |
| // Outputs the given string to stderr, but only if it is non-null and non-empty. |
| // This prevents erroneous newlines from appearing. |
| void StderrIfNonEmpty(const char* str) |
| { |
| if (str && str[0]) |
| fprintf(stderr, "%s\n", str); |
| } |
| |
| // Simple bundling of what makes a compilation unit for ease in passing around, |
| // and separation of handling file IO versus API (programmatic) compilation. |
| struct ShaderCompUnit { |
| EShLanguage stage; |
| static const int maxCount = 1; |
| int count; // live number of strings/names |
| const char* text[maxCount]; // memory owned/managed externally |
| std::string fileName[maxCount]; // hold's the memory, but... |
| const char* fileNameList[maxCount]; // downstream interface wants pointers |
| |
| ShaderCompUnit(EShLanguage stage) : stage(stage), count(0) { } |
| |
| ShaderCompUnit(const ShaderCompUnit& rhs) |
| { |
| stage = rhs.stage; |
| count = rhs.count; |
| for (int i = 0; i < count; ++i) { |
| fileName[i] = rhs.fileName[i]; |
| text[i] = rhs.text[i]; |
| fileNameList[i] = rhs.fileName[i].c_str(); |
| } |
| } |
| |
| void addString(std::string& ifileName, const char* itext) |
| { |
| assert(count < maxCount); |
| fileName[count] = ifileName; |
| text[count] = itext; |
| fileNameList[count] = fileName[count].c_str(); |
| ++count; |
| } |
| }; |
| |
| // |
| // For linking mode: Will independently parse each compilation unit, but then put them |
| // in the same program and link them together, making at most one linked module per |
| // pipeline stage. |
| // |
| // Uses the new C++ interface instead of the old handle-based interface. |
| // |
| |
| void CompileAndLinkShaderUnits(std::vector<ShaderCompUnit> compUnits) |
| { |
| // keep track of what to free |
| std::list<glslang::TShader*> shaders; |
| |
| EShMessages messages = EShMsgDefault; |
| SetMessageOptions(messages); |
| |
| // |
| // Per-shader processing... |
| // |
| |
| glslang::TProgram& program = *new glslang::TProgram; |
| for (auto it = compUnits.cbegin(); it != compUnits.cend(); ++it) { |
| const auto &compUnit = *it; |
| glslang::TShader* shader = new glslang::TShader(compUnit.stage); |
| shader->setStringsWithLengthsAndNames(compUnit.text, NULL, compUnit.fileNameList, compUnit.count); |
| if (entryPointName) // HLSL todo: this needs to be tracked per compUnits |
| shader->setEntryPoint(entryPointName); |
| if (sourceEntryPointName) |
| shader->setSourceEntryPoint(sourceEntryPointName); |
| if (UserPreamble.isSet()) |
| shader->setPreamble(UserPreamble.get()); |
| shader->addProcesses(Processes); |
| |
| shader->setShiftSamplerBinding(baseSamplerBinding[compUnit.stage]); |
| shader->setShiftTextureBinding(baseTextureBinding[compUnit.stage]); |
| shader->setShiftImageBinding(baseImageBinding[compUnit.stage]); |
| shader->setShiftUboBinding(baseUboBinding[compUnit.stage]); |
| shader->setShiftSsboBinding(baseSsboBinding[compUnit.stage]); |
| shader->setShiftUavBinding(baseUavBinding[compUnit.stage]); |
| shader->setFlattenUniformArrays((Options & EOptionFlattenUniformArrays) != 0); |
| shader->setNoStorageFormat((Options & EOptionNoStorageFormat) != 0); |
| shader->setResourceSetBinding(baseResourceSetBinding[compUnit.stage]); |
| |
| if (Options & EOptionHlslIoMapping) |
| shader->setHlslIoMapping(true); |
| |
| if (Options & EOptionAutoMapBindings) |
| shader->setAutoMapBindings(true); |
| |
| if (Options & EOptionAutoMapLocations) |
| shader->setAutoMapLocations(true); |
| |
| // Set up the environment, some subsettings take precedence over earlier |
| // ways of setting things. |
| if (Options & EOptionSpv) { |
| if (Options & EOptionVulkanRules) { |
| shader->setEnvInput((Options & EOptionReadHlsl) ? glslang::EShSourceHlsl |
| : glslang::EShSourceGlsl, |
| compUnit.stage, glslang::EShClientVulkan, ClientInputSemanticsVersion); |
| shader->setEnvClient(glslang::EShClientVulkan, VulkanClientVersion); |
| shader->setEnvTarget(glslang::EshTargetSpv, TargetVersion); |
| } else { |
| shader->setEnvInput((Options & EOptionReadHlsl) ? glslang::EShSourceHlsl |
| : glslang::EShSourceGlsl, |
| compUnit.stage, glslang::EShClientOpenGL, ClientInputSemanticsVersion); |
| shader->setEnvClient(glslang::EShClientOpenGL, OpenGLClientVersion); |
| shader->setEnvTarget(glslang::EshTargetSpv, TargetVersion); |
| } |
| } |
| |
| shaders.push_back(shader); |
| |
| const int defaultVersion = Options & EOptionDefaultDesktop ? 110 : 100; |
| |
| DirStackFileIncluder includer; |
| std::for_each(IncludeDirectoryList.rbegin(), IncludeDirectoryList.rend(), [&includer](const std::string& dir) { |
| includer.pushExternalLocalDirectory(dir); }); |
| if (Options & EOptionOutputPreprocessed) { |
| std::string str; |
| if (shader->preprocess(&Resources, defaultVersion, ENoProfile, false, false, |
| messages, &str, includer)) { |
| PutsIfNonEmpty(str.c_str()); |
| } else { |
| CompileFailed = true; |
| } |
| StderrIfNonEmpty(shader->getInfoLog()); |
| StderrIfNonEmpty(shader->getInfoDebugLog()); |
| continue; |
| } |
| if (! shader->parse(&Resources, defaultVersion, false, messages, includer)) |
| CompileFailed = true; |
| |
| program.addShader(shader); |
| |
| if (! (Options & EOptionSuppressInfolog) && |
| ! (Options & EOptionMemoryLeakMode)) { |
| PutsIfNonEmpty(compUnit.fileName[0].c_str()); |
| PutsIfNonEmpty(shader->getInfoLog()); |
| PutsIfNonEmpty(shader->getInfoDebugLog()); |
| } |
| } |
| |
| // |
| // Program-level processing... |
| // |
| |
| // Link |
| if (! (Options & EOptionOutputPreprocessed) && ! program.link(messages)) |
| LinkFailed = true; |
| |
| // Map IO |
| if (Options & EOptionSpv) { |
| if (!program.mapIO()) |
| LinkFailed = true; |
| } |
| |
| // Report |
| if (! (Options & EOptionSuppressInfolog) && |
| ! (Options & EOptionMemoryLeakMode)) { |
| PutsIfNonEmpty(program.getInfoLog()); |
| PutsIfNonEmpty(program.getInfoDebugLog()); |
| } |
| |
| // Reflect |
| if (Options & EOptionDumpReflection) { |
| program.buildReflection(); |
| program.dumpReflection(); |
| } |
| |
| // Dump SPIR-V |
| if (Options & EOptionSpv) { |
| if (CompileFailed || LinkFailed) |
| printf("SPIR-V is not generated for failed compile or link\n"); |
| else { |
| for (int stage = 0; stage < EShLangCount; ++stage) { |
| if (program.getIntermediate((EShLanguage)stage)) { |
| std::vector<unsigned int> spirv; |
| std::string warningsErrors; |
| spv::SpvBuildLogger logger; |
| glslang::SpvOptions spvOptions; |
| if (Options & EOptionDebug) |
| spvOptions.generateDebugInfo = true; |
| spvOptions.disableOptimizer = (Options & EOptionOptimizeDisable) != 0; |
| spvOptions.optimizeSize = (Options & EOptionOptimizeSize) != 0; |
| glslang::GlslangToSpv(*program.getIntermediate((EShLanguage)stage), spirv, &logger, &spvOptions); |
| |
| // Dump the spv to a file or stdout, etc., but only if not doing |
| // memory/perf testing, as it's not internal to programmatic use. |
| if (! (Options & EOptionMemoryLeakMode)) { |
| printf("%s", logger.getAllMessages().c_str()); |
| if (Options & EOptionOutputHexadecimal) { |
| glslang::OutputSpvHex(spirv, GetBinaryName((EShLanguage)stage), variableName); |
| } else { |
| glslang::OutputSpvBin(spirv, GetBinaryName((EShLanguage)stage)); |
| } |
| if (Options & EOptionHumanReadableSpv) { |
| spv::Disassemble(std::cout, spirv); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| // Free everything up, program has to go before the shaders |
| // because it might have merged stuff from the shaders, and |
| // the stuff from the shaders has to have its destructors called |
| // before the pools holding the memory in the shaders is freed. |
| delete &program; |
| while (shaders.size() > 0) { |
| delete shaders.back(); |
| shaders.pop_back(); |
| } |
| } |
| |
| // |
| // Do file IO part of compile and link, handing off the pure |
| // API/programmatic mode to CompileAndLinkShaderUnits(), which can |
| // be put in a loop for testing memory footprint and performance. |
| // |
| // This is just for linking mode: meaning all the shaders will be put into the |
| // the same program linked together. |
| // |
| // This means there are a limited number of work items (not multi-threading mode) |
| // and that the point is testing at the linking level. Hence, to enable |
| // performance and memory testing, the actual compile/link can be put in |
| // a loop, independent of processing the work items and file IO. |
| // |
| void CompileAndLinkShaderFiles(glslang::TWorklist& Worklist) |
| { |
| std::vector<ShaderCompUnit> compUnits; |
| |
| // If this is using stdin, we can't really detect multiple different file |
| // units by input type. We need to assume that we're just being given one |
| // file of a certain type. |
| if ((Options & EOptionStdin) != 0) { |
| ShaderCompUnit compUnit(FindLanguage("stdin")); |
| std::istreambuf_iterator<char> begin(std::cin), end; |
| std::string tempString(begin, end); |
| char* fileText = strdup(tempString.c_str()); |
| std::string fileName = "stdin"; |
| compUnit.addString(fileName, fileText); |
| compUnits.push_back(compUnit); |
| } else { |
| // Transfer all the work items from to a simple list of |
| // of compilation units. (We don't care about the thread |
| // work-item distribution properties in this path, which |
| // is okay due to the limited number of shaders, know since |
| // they are all getting linked together.) |
| glslang::TWorkItem* workItem; |
| while (Worklist.remove(workItem)) { |
| ShaderCompUnit compUnit(FindLanguage(workItem->name)); |
| char* fileText = ReadFileData(workItem->name.c_str()); |
| if (fileText == nullptr) |
| usage(); |
| compUnit.addString(workItem->name, fileText); |
| compUnits.push_back(compUnit); |
| } |
| } |
| |
| // Actual call to programmatic processing of compile and link, |
| // in a loop for testing memory and performance. This part contains |
| // all the perf/memory that a programmatic consumer will care about. |
| for (int i = 0; i < ((Options & EOptionMemoryLeakMode) ? 100 : 1); ++i) { |
| for (int j = 0; j < ((Options & EOptionMemoryLeakMode) ? 100 : 1); ++j) |
| CompileAndLinkShaderUnits(compUnits); |
| |
| if (Options & EOptionMemoryLeakMode) |
| glslang::OS_DumpMemoryCounters(); |
| } |
| |
| // free memory from ReadFileData, which got stored in a const char* |
| // as the first string above |
| for (auto it = compUnits.begin(); it != compUnits.end(); ++it) |
| FreeFileData(const_cast<char*>(it->text[0])); |
| } |
| |
| int C_DECL main(int argc, char* argv[]) |
| { |
| // array of unique places to leave the shader names and infologs for the asynchronous compiles |
| std::vector<std::unique_ptr<glslang::TWorkItem>> workItems; |
| ProcessArguments(workItems, argc, argv); |
| |
| glslang::TWorklist workList; |
| std::for_each(workItems.begin(), workItems.end(), [&workList](std::unique_ptr<glslang::TWorkItem>& item) { |
| assert(item); |
| workList.add(item.get()); |
| }); |
| |
| if (Options & EOptionDumpConfig) { |
| printf("%s", glslang::GetDefaultTBuiltInResourceString().c_str()); |
| if (workList.empty()) |
| return ESuccess; |
| } |
| |
| if (Options & EOptionDumpVersions) { |
| printf("Glslang Version: %s %s\n", GLSLANG_REVISION, GLSLANG_DATE); |
| printf("ESSL Version: %s\n", glslang::GetEsslVersionString()); |
| printf("GLSL Version: %s\n", glslang::GetGlslVersionString()); |
| std::string spirvVersion; |
| glslang::GetSpirvVersion(spirvVersion); |
| printf("SPIR-V Version %s\n", spirvVersion.c_str()); |
| printf("GLSL.std.450 Version %d, Revision %d\n", GLSLstd450Version, GLSLstd450Revision); |
| printf("Khronos Tool ID %d\n", glslang::GetKhronosToolId()); |
| printf("GL_KHR_vulkan_glsl version %d\n", 100); |
| printf("ARB_GL_gl_spirv version %d\n", 100); |
| if (workList.empty()) |
| return ESuccess; |
| } |
| |
| if (workList.empty() && ((Options & EOptionStdin) == 0)) { |
| usage(); |
| } |
| |
| if (Options & EOptionStdin) { |
| workItems.push_back(std::unique_ptr<glslang::TWorkItem>{new glslang::TWorkItem("stdin")}); |
| workList.add(workItems.back().get()); |
| } |
| |
| ProcessConfigFile(); |
| |
| // |
| // Two modes: |
| // 1) linking all arguments together, single-threaded, new C++ interface |
| // 2) independent arguments, can be tackled by multiple asynchronous threads, for testing thread safety, using the old handle interface |
| // |
| if (Options & EOptionLinkProgram || |
| Options & EOptionOutputPreprocessed) { |
| glslang::InitializeProcess(); |
| CompileAndLinkShaderFiles(workList); |
| glslang::FinalizeProcess(); |
| } else { |
| ShInitialize(); |
| |
| bool printShaderNames = workList.size() > 1; |
| |
| if (Options & EOptionMultiThreaded) |
| { |
| std::array<std::thread, 16> threads; |
| for (unsigned int t = 0; t < threads.size(); ++t) |
| { |
| threads[t] = std::thread(CompileShaders, std::ref(workList)); |
| if (threads[t].get_id() == std::thread::id()) |
| { |
| printf("Failed to create thread\n"); |
| return EFailThreadCreate; |
| } |
| } |
| |
| std::for_each(threads.begin(), threads.end(), [](std::thread& t) { t.join(); }); |
| } else |
| CompileShaders(workList); |
| |
| // Print out all the resulting infologs |
| for (size_t w = 0; w < workItems.size(); ++w) { |
| if (workItems[w]) { |
| if (printShaderNames || workItems[w]->results.size() > 0) |
| PutsIfNonEmpty(workItems[w]->name.c_str()); |
| PutsIfNonEmpty(workItems[w]->results.c_str()); |
| } |
| } |
| |
| ShFinalize(); |
| } |
| |
| if (CompileFailed) |
| return EFailCompile; |
| if (LinkFailed) |
| return EFailLink; |
| |
| return 0; |
| } |
| |
| // |
| // Deduce the language from the filename. Files must end in one of the |
| // following extensions: |
| // |
| // .vert = vertex |
| // .tesc = tessellation control |
| // .tese = tessellation evaluation |
| // .geom = geometry |
| // .frag = fragment |
| // .comp = compute |
| // |
| EShLanguage FindLanguage(const std::string& name, bool parseSuffix) |
| { |
| size_t ext = 0; |
| std::string suffix; |
| |
| if (shaderStageName) |
| suffix = shaderStageName; |
| else { |
| // Search for a suffix on a filename: e.g, "myfile.frag". If given |
| // the suffix directly, we skip looking for the '.' |
| if (parseSuffix) { |
| ext = name.rfind('.'); |
| if (ext == std::string::npos) { |
| usage(); |
| return EShLangVertex; |
| } |
| ++ext; |
| } |
| suffix = name.substr(ext, std::string::npos); |
| } |
| |
| if (suffix == "vert") |
| return EShLangVertex; |
| else if (suffix == "tesc") |
| return EShLangTessControl; |
| else if (suffix == "tese") |
| return EShLangTessEvaluation; |
| else if (suffix == "geom") |
| return EShLangGeometry; |
| else if (suffix == "frag") |
| return EShLangFragment; |
| else if (suffix == "comp") |
| return EShLangCompute; |
| |
| usage(); |
| return EShLangVertex; |
| } |
| |
| // |
| // Read a file's data into a string, and compile it using the old interface ShCompile, |
| // for non-linkable results. |
| // |
| void CompileFile(const char* fileName, ShHandle compiler) |
| { |
| int ret = 0; |
| char* shaderString; |
| if ((Options & EOptionStdin) != 0) { |
| std::istreambuf_iterator<char> begin(std::cin), end; |
| std::string tempString(begin, end); |
| shaderString = strdup(tempString.c_str()); |
| } else { |
| shaderString = ReadFileData(fileName); |
| } |
| |
| // move to length-based strings, rather than null-terminated strings |
| int* lengths = new int[1]; |
| lengths[0] = (int)strlen(shaderString); |
| |
| EShMessages messages = EShMsgDefault; |
| SetMessageOptions(messages); |
| |
| if (UserPreamble.isSet()) |
| Error("-D and -U options require -l (linking)\n"); |
| |
| for (int i = 0; i < ((Options & EOptionMemoryLeakMode) ? 100 : 1); ++i) { |
| for (int j = 0; j < ((Options & EOptionMemoryLeakMode) ? 100 : 1); ++j) { |
| // ret = ShCompile(compiler, shaderStrings, NumShaderStrings, lengths, EShOptNone, &Resources, Options, (Options & EOptionDefaultDesktop) ? 110 : 100, false, messages); |
| ret = ShCompile(compiler, &shaderString, 1, nullptr, EShOptNone, &Resources, Options, (Options & EOptionDefaultDesktop) ? 110 : 100, false, messages); |
| // const char* multi[12] = { "# ve", "rsion", " 300 e", "s", "\n#err", |
| // "or should be l", "ine 1", "string 5\n", "float glo", "bal", |
| // ";\n#error should be line 2\n void main() {", "global = 2.3;}" }; |
| // const char* multi[7] = { "/", "/", "\\", "\n", "\n", "#", "version 300 es" }; |
| // ret = ShCompile(compiler, multi, 7, nullptr, EShOptNone, &Resources, Options, (Options & EOptionDefaultDesktop) ? 110 : 100, false, messages); |
| } |
| |
| if (Options & EOptionMemoryLeakMode) |
| glslang::OS_DumpMemoryCounters(); |
| } |
| |
| delete [] lengths; |
| FreeFileData(shaderString); |
| |
| if (ret == 0) |
| CompileFailed = true; |
| } |
| |
| // |
| // print usage to stdout |
| // |
| void usage() |
| { |
| printf("Usage: glslangValidator [option]... [file]...\n" |
| "\n" |
| "'file' can end in .<stage> for auto-stage classification, where <stage> is:\n" |
| " .conf to provide a config file that replaces the default configuration\n" |
| " (see -c option below for generating a template)\n" |
| " .vert for a vertex shader\n" |
| " .tesc for a tessellation control shader\n" |
| " .tese for a tessellation evaluation shader\n" |
| " .geom for a geometry shader\n" |
| " .frag for a fragment shader\n" |
| " .comp for a compute shader\n" |
| "\n" |
| "Options:\n" |
| " -C cascading errors; risk crash from accumulation of error recoveries\n" |
| " -D input is HLSL\n" |
| " -D<macro=def>\n" |
| " -D<macro> define a pre-processor macro\n" |
| " -E print pre-processed GLSL; cannot be used with -l;\n" |
| " errors will appear on stderr.\n" |
| " -G[ver] create SPIR-V binary, under OpenGL semantics; turns on -l;\n" |
| " default file name is <stage>.spv (-o overrides this)\n" |
| " 'ver', when present, is the version of the input semantics,\n" |
| " which will appear in #define GL_SPIRV ver\n" |
| " '--client opengl100' is the same as -G100\n" |
| " a '--target-env' for OpenGL will also imply '-G'\n" |
| " -H print human readable form of SPIR-V; turns on -V\n" |
| " -I<dir> add dir to the include search path; includer's directory\n" |
| " is searched first, followed by left-to-right order of -I\n" |
| " -Od disables optimization. May cause illegal SPIR-V for HLSL.\n" |
| " -Os optimizes SPIR-V to minimize size.\n" |
| " -S <stage> uses specified stage rather than parsing the file extension\n" |
| " choices for <stage> are vert, tesc, tese, geom, frag, or comp\n" |
| " -U<macro> undefine a pre-processor macro\n" |
| " -V[ver] create SPIR-V binary, under Vulkan semantics; turns on -l;\n" |
| " default file name is <stage>.spv (-o overrides this)\n" |
| " 'ver', when present, is the version of the input semantics,\n" |
| " which will appear in #define VULKAN ver\n" |
| " '--client vulkan100' is the same as -V100\n" |
| " a '--target-env' for Vulkan will also imply '-V'\n" |
| " -c configuration dump;\n" |
| " creates the default configuration file (redirect to a .conf file)\n" |
| " -d default to desktop (#version 110) when there is no shader #version\n" |
| " (default is ES version 100)\n" |
| " -e <name> specify <name> as the entry-point name\n" |
| " -g generate debug information\n" |
| " -h print this usage message\n" |
| " -i intermediate tree (glslang AST) is printed out\n" |
| " -l link all input files together to form a single module\n" |
| " -m memory leak mode\n" |
| " -o <file> save binary to <file>, requires a binary option (e.g., -V)\n" |
| " -q dump reflection query database\n" |
| " -r synonym for --relaxed-errors\n" |
| " -s silent mode\n" |
| " -t multi-threaded mode\n" |
| " -v print version strings\n" |
| " -w synonym for --suppress-warnings\n" |
| " -x save binary output as text-based 32-bit hexadecimal numbers\n" |
| " --auto-map-bindings automatically bind uniform variables\n" |
| " without explicit bindings.\n" |
| " --amb synonym for --auto-map-bindings\n" |
| " --auto-map-locations automatically locate input/output lacking\n" |
| " 'location' (fragile, not cross stage)\n" |
| " --aml synonym for --auto-map-locations\n" |
| " --client {vulkan<ver>|opengl<ver>} see -V and -G\n" |
| " --flatten-uniform-arrays flatten uniform texture/sampler arrays to\n" |
| " scalars\n" |
| " --fua synonym for --flatten-uniform-arrays\n" |
| " --hlsl-offsets Allow block offsets to follow HLSL rules\n" |
| " Works independently of source language\n" |
| " --hlsl-iomap Perform IO mapping in HLSL register space\n" |
| " --keep-uncalled don't eliminate uncalled functions\n" |
| " --ku synonym for --keep-uncalled\n" |
| " --no-storage-format use Unknown image format\n" |
| " --nsf synonym for --no-storage-format\n" |
| " --relaxed-errors relaxed GLSL semantic error-checking mode\n" |
| " --resource-set-binding [stage] name set binding\n" |
| " Set descriptor set and binding for individual resources\n" |
| " --resource-set-binding [stage] set\n" |
| " Set descriptor set for all resources\n" |
| " --rsb [stage] type set binding synonym for --resource-set-binding\n" |
| " --shift-image-binding [stage] num base binding number for images (uav)\n" |
| " --sib [stage] num synonym for --shift-image-binding\n" |
| " --shift-sampler-binding [stage] num base binding number for samplers\n" |
| " --ssb [stage] num synonym for --shift-sampler-binding\n" |
| " --shift-ssbo-binding [stage] num base binding number for SSBOs\n" |
| " --sbb [stage] num synonym for --shift-ssbo-binding\n" |
| " --shift-texture-binding [stage] num base binding number for textures\n" |
| " --stb [stage] num synonym for --shift-texture-binding\n" |
| " --shift-uav-binding [stage] num base binding number for UAVs\n" |
| " --suavb [stage] num synonym for --shift-uav-binding\n" |
| " --shift-UBO-binding [stage] num base binding number for UBOs\n" |
| " --shift-cbuffer-binding [stage] num synonym for --shift-UBO-binding\n" |
| " --sub [stage] num synonym for --shift-UBO-binding\n" |
| " --source-entrypoint <name> the given shader source function is\n" |
| " renamed to be the <name> given in -e\n" |
| " --sep synonym for --source-entrypoint\n" |
| " --stdin Read from stdin instead of from a file.\n" |
| " You'll have to provide the shader stage\n" |
| " using -S.\n" |
| " --suppress-warnings suppress GLSL warnings\n" |
| " (except as required by #extension : warn)\n" |
| " --target-env {vulkan1.0|opengl} set the execution environment code will\n" |
| " execute in (as opposed to language\n" |
| " semantics selected by --client) defaults:\n" |
| " 'vulkan1.0' under '--client vulkan<ver>'\n" |
| " 'opengl' under '--client opengl<ver>'\n" |
| " --variable-name <name> Creates a C header file that contains a\n" |
| " uint32_t array named <name>\n" |
| " initialized with the shader binary code.\n" |
| " --vn <name> synonym for --variable-name <name>\n" |
| ); |
| |
| exit(EFailUsage); |
| } |
| |
| #if !defined _MSC_VER && !defined MINGW_HAS_SECURE_API |
| |
| #include <errno.h> |
| |
| int fopen_s( |
| FILE** pFile, |
| const char* filename, |
| const char* mode |
| ) |
| { |
| if (!pFile || !filename || !mode) { |
| return EINVAL; |
| } |
| |
| FILE* f = fopen(filename, mode); |
| if (! f) { |
| if (errno != 0) { |
| return errno; |
| } else { |
| return ENOENT; |
| } |
| } |
| *pFile = f; |
| |
| return 0; |
| } |
| |
| #endif |
| |
| // |
| // Malloc a string of sufficient size and read a string into it. |
| // |
| char* ReadFileData(const char* fileName) |
| { |
| FILE *in = nullptr; |
| int errorCode = fopen_s(&in, fileName, "r"); |
| if (errorCode || in == nullptr) |
| Error("unable to open input file"); |
| |
| int count = 0; |
| while (fgetc(in) != EOF) |
| count++; |
| |
| fseek(in, 0, SEEK_SET); |
| |
| char* return_data = (char*)malloc(count + 1); // freed in FreeFileData() |
| if ((int)fread(return_data, 1, count, in) != count) { |
| free(return_data); |
| Error("can't read input file"); |
| } |
| |
| return_data[count] = '\0'; |
| fclose(in); |
| |
| return return_data; |
| } |
| |
| void FreeFileData(char* data) |
| { |
| free(data); |
| } |
| |
| void InfoLogMsg(const char* msg, const char* name, const int num) |
| { |
| if (num >= 0 ) |
| printf("#### %s %s %d INFO LOG ####\n", msg, name, num); |
| else |
| printf("#### %s %s INFO LOG ####\n", msg, name); |
| } |