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- //
- // 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 <map>
- #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),
- EOptionInvertY = (1 << 30),
- EOptionDumpBareVersion = (1 << 31),
- };
- bool targetHlslFunctionality1 = false;
- bool SpvToolsDisassembler = false;
- //
- // 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;
- // array of unique places to leave the shader names and infologs for the asynchronous compiles
- std::vector<std::unique_ptr<glslang::TWorkItem>> WorkItems;
- 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;
- bool HlslEnable16BitTypes = false;
- std::vector<std::string> IncludeDirectoryList;
- int ClientInputSemanticsVersion = 100; // maps to, say, #define VULKAN 100
- glslang::EShTargetClientVersion VulkanClientVersion =
- glslang::EShTargetVulkan_1_0; // would map to, say, Vulkan 1.0
- glslang::EShTargetClientVersion OpenGLClientVersion =
- glslang::EShTargetOpenGL_450; // doesn't influence anything yet, but maps to OpenGL 4.50
- glslang::EShTargetLanguageVersion TargetVersion =
- glslang::EShTargetSpv_1_0; // maps to, say, SPIR-V 1.0
- std::vector<std::string> Processes; // what should be recorded by OpModuleProcessed, or equivalent
- // Per descriptor-set binding base data
- typedef std::map<unsigned int, unsigned int> TPerSetBaseBinding;
- std::array<std::array<unsigned int, EShLangCount>, glslang::EResCount> baseBinding;
- std::array<std::array<TPerSetBaseBinding, EShLangCount>, glslang::EResCount> baseBindingForSet;
- 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)
- {
- fprintf(stderr, "%s: Error %s (use -h for usage)\n", ExecutableName, message);
- exit(EFailUsage);
- }
- //
- // Process an optional binding base of one the forms:
- // --argname [stage] base // base for stage (if given) or all stages (if not)
- // --argname [stage] [base set]... // set/base pairs: set the base for given binding set.
- // Where stage is one of the forms accepted by FindLanguage, and base is an integer
- //
- void ProcessBindingBase(int& argc, char**& argv, glslang::TResourceType res)
- {
- if (argc < 2)
- usage();
- EShLanguage lang = EShLangCount;
- int singleBase = 0;
- TPerSetBaseBinding perSetBase;
- int arg = 1;
- // Parse stage, if given
- if (!isdigit(argv[arg][0])) {
- if (argc < 3) // this form needs one more argument
- usage();
- lang = FindLanguage(argv[arg++], false);
- }
- if ((argc - arg) > 2 && isdigit(argv[arg+0][0]) && isdigit(argv[arg+1][0])) {
- // Parse a per-set binding base
- while ((argc - arg) > 2 && isdigit(argv[arg+0][0]) && isdigit(argv[arg+1][0])) {
- const int baseNum = atoi(argv[arg++]);
- const int setNum = atoi(argv[arg++]);
- perSetBase[setNum] = baseNum;
- }
- } else {
- // Parse single binding base
- singleBase = atoi(argv[arg++]);
- }
- argc -= (arg-1);
- argv += (arg-1);
- // Set one or all languages
- const int langMin = (lang < EShLangCount) ? lang+0 : 0;
- const int langMax = (lang < EShLangCount) ? lang+1 : EShLangCount;
- for (int lang = langMin; lang < langMax; ++lang) {
- if (!perSetBase.empty())
- baseBindingForSet[res][lang] = perSetBase;
- else
- baseBinding[res][lang] = singleBase;
- }
- }
- 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[])
- {
- for (int res = 0; res < glslang::EResCount; ++res)
- baseBinding[res].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 == "hlsl-enable-16bit-types") {
- HlslEnable16BitTypes = true;
- } else if (lowerword == "invert-y" || // synonyms
- lowerword == "iy") {
- Options |= EOptionInvertY;
- } 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, glslang::EResImage);
- } else if (lowerword == "shift-sampler-bindings" || // synonyms
- lowerword == "shift-sampler-binding" ||
- lowerword == "ssb") {
- ProcessBindingBase(argc, argv, glslang::EResSampler);
- } else if (lowerword == "shift-uav-bindings" || // synonyms
- lowerword == "shift-uav-binding" ||
- lowerword == "suavb") {
- ProcessBindingBase(argc, argv, glslang::EResUav);
- } else if (lowerword == "shift-texture-bindings" || // synonyms
- lowerword == "shift-texture-binding" ||
- lowerword == "stb") {
- ProcessBindingBase(argc, argv, glslang::EResTexture);
- } 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, glslang::EResUbo);
- } else if (lowerword == "shift-ssbo-bindings" || // synonyms
- lowerword == "shift-ssbo-binding" ||
- lowerword == "sbb") {
- ProcessBindingBase(argc, argv, glslang::EResSsbo);
- } 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 == "spirv-dis") {
- SpvToolsDisassembler = true;
- } 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 = glslang::EShTargetVulkan_1_0;
- } else if (strcmp(argv[1], "vulkan1.1") == 0) {
- setVulkanSpv();
- TargetVersion = glslang::EShTargetSpv_1_3;
- VulkanClientVersion = glslang::EShTargetVulkan_1_1;
- } else if (strcmp(argv[1], "opengl") == 0) {
- setOpenGlSpv();
- OpenGLClientVersion = glslang::EShTargetOpenGL_450;
- } else
- Error("--target-env expected vulkan1.0, vulkan1.1, 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 if (lowerword == "version") {
- Options |= EOptionDumpVersions;
- } 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')
- #if 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("-V<num> client input semantics");
- break;
- case 'c':
- Options |= EOptionDumpConfig;
- break;
- case 'd':
- if (strncmp(&argv[0][1], "dumpversion", strlen(&argv[0][1]) + 1) == 0 ||
- strncmp(&argv[0][1], "dumpfullversion", strlen(&argv[0][1]) + 1) == 0)
- Options |= EOptionDumpBareVersion;
- else
- 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 'f':
- if (strcmp(&argv[0][2], "hlsl_functionality1") == 0)
- targetHlslFunctionality1 = true;
- else
- Error("-f: expected hlsl_functionality1");
- 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);
- if (HlslEnable16BitTypes)
- messages = (EShMessages)(messages | EShMsgHlslEnable16BitTypes);
- if ((Options & EOptionOptimizeDisable) || !ENABLE_OPT)
- messages = (EShMessages)(messages | EShMsgHlslLegalization);
- }
- //
- // Thread entry point, for non-linking asynchronous mode.
- //
- void CompileShaders(glslang::TWorklist& worklist)
- {
- if (Options & EOptionDebug)
- Error("cannot generate debug information unless linking to generate code");
- glslang::TWorkItem* workItem;
- if (Options & EOptionStdin) {
- if (worklist.remove(workItem)) {
- ShHandle compiler = ShConstructCompiler(FindLanguage("stdin"), Options);
- if (compiler == nullptr)
- 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) {
- if (entryPointName == nullptr)
- printf("Warning: Changing source entry point name without setting an entry-point name.\n"
- "Use '-e <name>'.\n");
- shader->setSourceEntryPoint(sourceEntryPointName);
- }
- if (UserPreamble.isSet())
- shader->setPreamble(UserPreamble.get());
- shader->addProcesses(Processes);
- // Set IO mapper binding shift values
- for (int r = 0; r < glslang::EResCount; ++r) {
- const glslang::TResourceType res = glslang::TResourceType(r);
- // Set base bindings
- shader->setShiftBinding(res, baseBinding[res][compUnit.stage]);
-
- // Set bindings for particular resource sets
- // TODO: use a range based for loop here, when available in all environments.
- for (auto i = baseBindingForSet[res][compUnit.stage].begin();
- i != baseBindingForSet[res][compUnit.stage].end(); ++i)
- shader->setShiftBindingForSet(res, i->second, i->first);
- }
- 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);
- if (Options & EOptionInvertY)
- shader->setInvertY(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);
- } else {
- shader->setEnvInput((Options & EOptionReadHlsl) ? glslang::EShSourceHlsl
- : glslang::EShSourceGlsl,
- compUnit.stage, glslang::EShClientOpenGL, ClientInputSemanticsVersion);
- shader->setEnvClient(glslang::EShClientOpenGL, OpenGLClientVersion);
- }
- shader->setEnvTarget(glslang::EShTargetSpv, TargetVersion);
- if (targetHlslFunctionality1)
- shader->setEnvTargetHlslFunctionality1();
- }
- 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 ENABLE_OPT
- if (SpvToolsDisassembler)
- spv::SpirvToolsDisassemble(std::cout, spirv);
- #else
- if (SpvToolsDisassembler)
- printf("SPIRV-Tools is not enabled; use -H for human readable SPIR-V\n");
- #endif
- if (!SpvToolsDisassembler && (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 singleMain()
- {
- 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 & EOptionDumpBareVersion) {
- printf("%d.%d.%d\n",
- glslang::GetSpirvGeneratorVersion(), GLSLANG_MINOR_VERSION, GLSLANG_PATCH_LEVEL);
- if (workList.empty())
- return ESuccess;
- } else if (Options & EOptionDumpVersions) {
- printf("Glslang Version: %d.%d.%d\n",
- glslang::GetSpirvGeneratorVersion(), GLSLANG_MINOR_VERSION, GLSLANG_PATCH_LEVEL);
- 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("SPIR-V Generator Version %d\n", glslang::GetSpirvGeneratorVersion());
- 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();
- glslang::InitializeProcess(); // also test reference counting of users
- glslang::InitializeProcess(); // also test reference counting of users
- glslang::FinalizeProcess(); // also test reference counting of users
- glslang::FinalizeProcess(); // also test reference counting of users
- CompileAndLinkShaderFiles(workList);
- glslang::FinalizeProcess();
- } else {
- ShInitialize();
- ShInitialize(); // also test reference counting of users
- ShFinalize(); // also test reference counting of users
- 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()) {
- fprintf(stderr, "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;
- }
- int C_DECL main(int argc, char* argv[])
- {
- ProcessArguments(WorkItems, argc, argv);
- int ret = 0;
- // Loop over the entire init/finalize cycle to watch memory changes
- const int iterations = 1;
- if (iterations > 1)
- glslang::OS_DumpMemoryCounters();
- for (int i = 0; i < iterations; ++i) {
- ret = singleMain();
- if (iterations > 1)
- glslang::OS_DumpMemoryCounters();
- }
- return ret;
- }
- //
- // 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
- //
- // Additionally, the file names may end in .<stage>.glsl and .<stage>.hlsl
- // where <stage> is one of the stages listed above.
- //
- EShLanguage FindLanguage(const std::string& name, bool parseStageName)
- {
- std::string stageName;
- if (shaderStageName)
- stageName = shaderStageName;
- else if (parseStageName) {
- // Note: "first" extension means "first from the end", i.e.
- // if the file is named foo.vert.glsl, then "glsl" is first,
- // "vert" is second.
- size_t firstExtStart = name.find_last_of(".");
- bool hasFirstExt = firstExtStart != std::string::npos;
- size_t secondExtStart = hasFirstExt ? name.find_last_of(".", firstExtStart - 1) : std::string::npos;
- bool hasSecondExt = secondExtStart != std::string::npos;
- std::string firstExt = name.substr(firstExtStart + 1, std::string::npos);
- bool usesUnifiedExt = hasFirstExt && (firstExt == "glsl" || firstExt == "hlsl");
- if (usesUnifiedExt && firstExt == "hlsl")
- Options |= EOptionReadHlsl;
- if (hasFirstExt && !usesUnifiedExt)
- stageName = firstExt;
- else if (usesUnifiedExt && hasSecondExt)
- stageName = name.substr(secondExtStart + 1, firstExtStart - secondExtStart - 1);
- else {
- usage();
- return EShLangVertex;
- }
- } else
- stageName = name;
- if (stageName == "vert")
- return EShLangVertex;
- else if (stageName == "tesc")
- return EShLangTessControl;
- else if (stageName == "tese")
- return EShLangTessEvaluation;
- else if (stageName == "geom")
- return EShLangGeometry;
- else if (stageName == "frag")
- return EShLangFragment;
- else if (stageName == "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"
- " .glsl for .vert.glsl, .tesc.glsl, ..., .comp.glsl compound suffixes\n"
- " .hlsl for .vert.hlsl, .tesc.hlsl, ..., .comp.hlsl compound suffixes\n"
- "\n"
- "Options:\n"
- " -C cascading errors; risk crash from accumulation of error recoveries\n"
- " -D input is HLSL (default when any suffix 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"
- " -f{hlsl_functionality1}\n"
- " 'hlsl_functionality1' enables use of the\n"
- " SPV_GOOGLE_hlsl_functionality1 extension\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 silence syntax and semantic error reporting\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"
- " -dumpfullversion print bare major.minor.patchlevel\n"
- " -dumpversion same as -dumpfullversion\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"
- " --hlsl-enable-16bit-types Allow use of 16-bit types in SPIR-V for HLSL\n"
- " --invert-y | --iy invert position.Y output in vertex shader\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"
- " --shift-image-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --sib [stage] num synonym for --shift-image-binding\n"
- " --shift-sampler-binding [stage] num base binding number for samplers\n"
- " --shift-sampler-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --ssb [stage] num synonym for --shift-sampler-binding\n"
- " --shift-ssbo-binding [stage] num base binding number for SSBOs\n"
- " --shift-ssbo-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --sbb [stage] num synonym for --shift-ssbo-binding\n"
- " --shift-texture-binding [stage] num base binding number for textures\n"
- " --shift-texture-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --stb [stage] num synonym for --shift-texture-binding\n"
- " --shift-uav-binding [stage] num base binding number for UAVs\n"
- " --shift-uav-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --suavb [stage] num synonym for --shift-uav-binding\n"
- " --shift-UBO-binding [stage] num base binding number for UBOs\n"
- " --shift-UBO-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --shift-cbuffer-binding [stage] num synonym for --shift-UBO-binding\n"
- " --shift-cbuffer-binding [stage] [num set]... per-descriptor-set shift values\n"
- " --spirv-dis output standard form disassembly; works only\n"
- " when a SPIR-V generation option is also used\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 | vulkan1.1 | opengl} \n"
- " set execution environment that emitted code\n"
- " will execute in (as opposed to the 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"
- " --version synonym for -v\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);
- }
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