1107 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1107 lines
		
	
	
		
			38 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//
 | 
						|
// 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
 | 
						|
#define _CRT_SECURE_NO_WARNINGS
 | 
						|
 | 
						|
#include "ResourceLimits.h"
 | 
						|
#include "Worklist.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 "../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),
 | 
						|
};
 | 
						|
 | 
						|
//
 | 
						|
// 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();
 | 
						|
void FreeFileData(char** data);
 | 
						|
char** ReadFileData(const char* fileName);
 | 
						|
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;
 | 
						|
 | 
						|
// Use to test breaking up a single shader file into multiple strings.
 | 
						|
// Set in ReadFileData().
 | 
						|
int NumShaderStrings;
 | 
						|
 | 
						|
TBuiltInResource Resources;
 | 
						|
std::string ConfigFile;
 | 
						|
 | 
						|
//
 | 
						|
// Parse either a .conf file provided by the user or the default from glslang::DefaultTBuiltInResource
 | 
						|
//
 | 
						|
void ProcessConfigFile()
 | 
						|
{
 | 
						|
    char** configStrings = 0;
 | 
						|
    char* config = 0;
 | 
						|
    if (ConfigFile.size() > 0) {
 | 
						|
        configStrings = ReadFileData(ConfigFile.c_str());
 | 
						|
        if (configStrings)
 | 
						|
            config = *configStrings;
 | 
						|
        else {
 | 
						|
            printf("Error opening configuration file; will instead use the default configuration\n");
 | 
						|
            usage();
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (config == 0) {
 | 
						|
        Resources = glslang::DefaultTBuiltInResource;
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    glslang::DecodeResourceLimits(&Resources,  config);
 | 
						|
 | 
						|
    if (configStrings)
 | 
						|
        FreeFileData(configStrings);
 | 
						|
    else
 | 
						|
        delete[] config;
 | 
						|
}
 | 
						|
 | 
						|
// thread-safe list of shaders to asynchronously grab and compile
 | 
						|
glslang::TWorklist Worklist;
 | 
						|
 | 
						|
// array of unique places to leave the shader names and infologs for the asynchronous compiles
 | 
						|
glslang::TWorkItem** Work = 0;
 | 
						|
int NumWorkItems = 0;
 | 
						|
 | 
						|
int Options = 0;
 | 
						|
const char* ExecutableName = nullptr;
 | 
						|
const char* binaryFileName = nullptr;
 | 
						|
const char* entryPointName = nullptr;
 | 
						|
const char* sourceEntryPointName = nullptr;
 | 
						|
const char* shaderStageName = nullptr;
 | 
						|
 | 
						|
std::array<unsigned int, EShLangCount> baseSamplerBinding;
 | 
						|
std::array<unsigned int, EShLangCount> baseTextureBinding;
 | 
						|
std::array<unsigned int, EShLangCount> baseImageBinding;
 | 
						|
std::array<unsigned int, EShLangCount> baseUboBinding;
 | 
						|
 | 
						|
//
 | 
						|
// 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++;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
//
 | 
						|
// 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(int argc, char* argv[])
 | 
						|
{
 | 
						|
    baseSamplerBinding.fill(0);
 | 
						|
    baseTextureBinding.fill(0);
 | 
						|
    baseImageBinding.fill(0);
 | 
						|
    baseUboBinding.fill(0);
 | 
						|
 | 
						|
    ExecutableName = argv[0];
 | 
						|
    NumWorkItems = argc;  // will include some empties where the '-' options were, but it doesn't matter, they'll be 0
 | 
						|
    Work = new glslang::TWorkItem*[NumWorkItems];
 | 
						|
    for (int w = 0; w < NumWorkItems; ++w)
 | 
						|
        Work[w] = 0;
 | 
						|
 | 
						|
    argc--;
 | 
						|
    argv++;
 | 
						|
    for (; argc >= 1; argc--, argv++) {
 | 
						|
        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 == "shift-sampler-bindings" || // synonyms
 | 
						|
                        lowerword == "shift-sampler-binding"  ||
 | 
						|
                        lowerword == "ssb") {
 | 
						|
                        ProcessBindingBase(argc, argv, baseSamplerBinding);
 | 
						|
                    } else if (lowerword == "shift-texture-bindings" ||  // synonyms
 | 
						|
                               lowerword == "shift-texture-binding"  ||
 | 
						|
                               lowerword == "stb") {
 | 
						|
                        ProcessBindingBase(argc, argv, baseTextureBinding);
 | 
						|
                    } else if (lowerword == "shift-image-bindings" ||  // synonyms
 | 
						|
                               lowerword == "shift-image-binding"  ||
 | 
						|
                               lowerword == "sib") {
 | 
						|
                        ProcessBindingBase(argc, argv, baseImageBinding);
 | 
						|
                    } else if (lowerword == "shift-ubo-bindings" ||  // synonyms
 | 
						|
                               lowerword == "shift-ubo-binding"  ||
 | 
						|
                               lowerword == "sub") {
 | 
						|
                        ProcessBindingBase(argc, argv, baseUboBinding);
 | 
						|
                    } else if (lowerword == "auto-map-bindings" ||  // synonyms
 | 
						|
                               lowerword == "auto-map-binding"  ||
 | 
						|
                               lowerword == "amb") {
 | 
						|
                        Options |= EOptionAutoMapBindings;
 | 
						|
                    } else if (lowerword == "flatten-uniform-arrays" || // synonyms
 | 
						|
                               lowerword == "flatten-uniform-array"  ||
 | 
						|
                               lowerword == "fua") {
 | 
						|
                        Options |= EOptionFlattenUniformArrays;
 | 
						|
                    } else if (lowerword == "no-storage-format" || // synonyms
 | 
						|
                               lowerword == "nsf") {
 | 
						|
                        Options |= EOptionNoStorageFormat;
 | 
						|
                    } else if (lowerword == "source-entrypoint" || // synonyms
 | 
						|
                               lowerword == "sep") {
 | 
						|
                        sourceEntryPointName = argv[1];
 | 
						|
                        if (argc > 0) {
 | 
						|
                            argc--;
 | 
						|
                            argv++;
 | 
						|
                        } else
 | 
						|
                            Error("no <entry-point> provided for --source-entrypoint");
 | 
						|
                        break;
 | 
						|
                    } else if (lowerword == "keep-uncalled" || // synonyms
 | 
						|
                               lowerword == "ku") {
 | 
						|
                        Options |= EOptionKeepUncalled;
 | 
						|
                    } else {
 | 
						|
                        usage();
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            case 'H':
 | 
						|
                Options |= EOptionHumanReadableSpv;
 | 
						|
                if ((Options & EOptionSpv) == 0) {
 | 
						|
                    // default to Vulkan
 | 
						|
                    Options |= EOptionSpv;
 | 
						|
                    Options |= EOptionVulkanRules;
 | 
						|
                    Options |= EOptionLinkProgram;
 | 
						|
                }
 | 
						|
                break;
 | 
						|
            case 'V':
 | 
						|
                Options |= EOptionSpv;
 | 
						|
                Options |= EOptionVulkanRules;
 | 
						|
                Options |= EOptionLinkProgram;
 | 
						|
                break;
 | 
						|
            case 'S':
 | 
						|
                shaderStageName = argv[1];
 | 
						|
                if (argc > 0) {
 | 
						|
                    argc--;
 | 
						|
                    argv++;
 | 
						|
                }
 | 
						|
                else
 | 
						|
                    Error("no <stage> specified for -S");
 | 
						|
                break;
 | 
						|
            case 'G':
 | 
						|
                Options |= EOptionSpv;
 | 
						|
                Options |= EOptionLinkProgram;
 | 
						|
                // undo a -H default to Vulkan
 | 
						|
                Options &= ~EOptionVulkanRules;
 | 
						|
                break;
 | 
						|
            case 'E':
 | 
						|
                Options |= EOptionOutputPreprocessed;
 | 
						|
                break;
 | 
						|
            case 'c':
 | 
						|
                Options |= EOptionDumpConfig;
 | 
						|
                break;
 | 
						|
            case 'C':
 | 
						|
                Options |= EOptionCascadingErrors;
 | 
						|
                break;
 | 
						|
            case 'd':
 | 
						|
                Options |= EOptionDefaultDesktop;
 | 
						|
                break;
 | 
						|
            case 'D':
 | 
						|
                Options |= EOptionReadHlsl;
 | 
						|
                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 > 0) {
 | 
						|
                    argc--;
 | 
						|
                    argv++;
 | 
						|
                } else
 | 
						|
                    Error("no <entry-point> provided for -e");
 | 
						|
                break;
 | 
						|
            case 'h':
 | 
						|
                usage();
 | 
						|
                break;
 | 
						|
            case 'i':
 | 
						|
                Options |= EOptionIntermediate;
 | 
						|
                break;
 | 
						|
            case 'l':
 | 
						|
                Options |= EOptionLinkProgram;
 | 
						|
                break;
 | 
						|
            case 'm':
 | 
						|
                Options |= EOptionMemoryLeakMode;
 | 
						|
                break;
 | 
						|
            case 'o':
 | 
						|
                binaryFileName = argv[1];
 | 
						|
                if (argc > 0) {
 | 
						|
                    argc--;
 | 
						|
                    argv++;
 | 
						|
                } else
 | 
						|
                    Error("no <file> provided for -o");
 | 
						|
                break;
 | 
						|
            case 'q':
 | 
						|
                Options |= EOptionDumpReflection;
 | 
						|
                break;
 | 
						|
            case 'r':
 | 
						|
                Options |= EOptionRelaxedErrors;
 | 
						|
                break;
 | 
						|
            case 's':
 | 
						|
                Options |= EOptionSuppressInfolog;
 | 
						|
                break;
 | 
						|
            case 't':
 | 
						|
                #ifdef _WIN32
 | 
						|
                    Options |= EOptionMultiThreaded;
 | 
						|
                #endif
 | 
						|
                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)) {
 | 
						|
                Work[argc] = new glslang::TWorkItem(name);
 | 
						|
                Worklist.add(Work[argc]);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    // 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);
 | 
						|
}
 | 
						|
 | 
						|
//
 | 
						|
// Thread entry point, for non-linking asynchronous mode.
 | 
						|
//
 | 
						|
// Return 0 for failure, 1 for success.
 | 
						|
//
 | 
						|
unsigned int CompileShaders(void*)
 | 
						|
{
 | 
						|
    glslang::TWorkItem* workItem;
 | 
						|
    while (Worklist.remove(workItem)) {
 | 
						|
        ShHandle compiler = ShConstructCompiler(FindLanguage(workItem->name), Options);
 | 
						|
        if (compiler == 0)
 | 
						|
            return 0;
 | 
						|
 | 
						|
        CompileFile(workItem->name.c_str(), compiler);
 | 
						|
 | 
						|
        if (! (Options & EOptionSuppressInfolog))
 | 
						|
            workItem->results = ShGetInfoLog(compiler);
 | 
						|
 | 
						|
        ShDestruct(compiler);
 | 
						|
    }
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
// 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;
 | 
						|
    std::string fileName;
 | 
						|
    char** text;             // memory owned/managed externally
 | 
						|
    const char*  fileNameList[1];
 | 
						|
 | 
						|
    // Need to have a special constructors to adjust the fileNameList, since back end needs a list of ptrs
 | 
						|
    ShaderCompUnit(EShLanguage istage, std::string &ifileName, char** itext)
 | 
						|
    {
 | 
						|
        stage = istage;
 | 
						|
        fileName = ifileName;
 | 
						|
        text    = itext;
 | 
						|
        fileNameList[0] = fileName.c_str();
 | 
						|
    }
 | 
						|
 | 
						|
    ShaderCompUnit(const ShaderCompUnit &rhs)
 | 
						|
    {
 | 
						|
        stage = rhs.stage;
 | 
						|
        fileName = rhs.fileName;
 | 
						|
        text = rhs.text;
 | 
						|
        fileNameList[0] = fileName.c_str();
 | 
						|
    }
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
//
 | 
						|
// 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, 1);
 | 
						|
        if (entryPointName) // HLSL todo: this needs to be tracked per compUnits
 | 
						|
            shader->setEntryPoint(entryPointName);
 | 
						|
        if (sourceEntryPointName)
 | 
						|
            shader->setSourceEntryPoint(sourceEntryPointName);
 | 
						|
 | 
						|
        shader->setShiftSamplerBinding(baseSamplerBinding[compUnit.stage]);
 | 
						|
        shader->setShiftTextureBinding(baseTextureBinding[compUnit.stage]);
 | 
						|
        shader->setShiftImageBinding(baseImageBinding[compUnit.stage]);
 | 
						|
        shader->setShiftUboBinding(baseUboBinding[compUnit.stage]);
 | 
						|
        shader->setFlattenUniformArrays((Options & EOptionFlattenUniformArrays) != 0);
 | 
						|
        shader->setNoStorageFormat((Options & EOptionNoStorageFormat) != 0);
 | 
						|
 | 
						|
        if (Options & EOptionAutoMapBindings)
 | 
						|
            shader->setAutoMapBindings(true);
 | 
						|
 | 
						|
        shaders.push_back(shader);
 | 
						|
 | 
						|
        const int defaultVersion = Options & EOptionDefaultDesktop? 110: 100;
 | 
						|
 | 
						|
        if (Options & EOptionOutputPreprocessed) {
 | 
						|
            std::string str;
 | 
						|
            glslang::TShader::ForbidIncluder includer;
 | 
						|
            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))
 | 
						|
            CompileFailed = true;
 | 
						|
 | 
						|
        program.addShader(shader);
 | 
						|
 | 
						|
        if (! (Options & EOptionSuppressInfolog) &&
 | 
						|
            ! (Options & EOptionMemoryLeakMode)) {
 | 
						|
            PutsIfNonEmpty(compUnit.fileName.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::GlslangToSpv(*program.getIntermediate((EShLanguage)stage), spirv, &logger);
 | 
						|
 | 
						|
                    // 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));
 | 
						|
                        } 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()
 | 
						|
{
 | 
						|
    std::vector<ShaderCompUnit> compUnits;
 | 
						|
 | 
						|
    // 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),
 | 
						|
            workItem->name,
 | 
						|
            ReadFileData(workItem->name.c_str())
 | 
						|
        );
 | 
						|
 | 
						|
        if (! compUnit.text) {
 | 
						|
            usage();
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        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();
 | 
						|
    }
 | 
						|
 | 
						|
    for (auto it = compUnits.begin(); it != compUnits.end(); ++it)
 | 
						|
        FreeFileData(it->text);
 | 
						|
}
 | 
						|
 | 
						|
int C_DECL main(int argc, char* argv[])
 | 
						|
{
 | 
						|
    ProcessArguments(argc, argv);
 | 
						|
 | 
						|
    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()) {
 | 
						|
        usage();
 | 
						|
    }
 | 
						|
 | 
						|
    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();
 | 
						|
        glslang::FinalizeProcess();
 | 
						|
        for (int w = 0; w < NumWorkItems; ++w) {
 | 
						|
          if (Work[w]) {
 | 
						|
            delete Work[w];
 | 
						|
          }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        ShInitialize();
 | 
						|
 | 
						|
        bool printShaderNames = Worklist.size() > 1;
 | 
						|
 | 
						|
        if (Options & EOptionMultiThreaded) {
 | 
						|
            const int NumThreads = 16;
 | 
						|
            void* threads[NumThreads];
 | 
						|
            for (int t = 0; t < NumThreads; ++t) {
 | 
						|
                threads[t] = glslang::OS_CreateThread(&CompileShaders);
 | 
						|
                if (! threads[t]) {
 | 
						|
                    printf("Failed to create thread\n");
 | 
						|
                    return EFailThreadCreate;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            glslang::OS_WaitForAllThreads(threads, NumThreads);
 | 
						|
        } else
 | 
						|
            CompileShaders(0);
 | 
						|
 | 
						|
        // Print out all the resulting infologs
 | 
						|
        for (int w = 0; w < NumWorkItems; ++w) {
 | 
						|
            if (Work[w]) {
 | 
						|
                if (printShaderNames || Work[w]->results.size() > 0)
 | 
						|
                    PutsIfNonEmpty(Work[w]->name.c_str());
 | 
						|
                PutsIfNonEmpty(Work[w]->results.c_str());
 | 
						|
                delete Work[w];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        ShFinalize();
 | 
						|
    }
 | 
						|
 | 
						|
    delete[] Work;
 | 
						|
 | 
						|
    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;
 | 
						|
 | 
						|
    // Search for a suffix on a filename: e.g, "myfile.frag".  If given
 | 
						|
    // the suffix directly, we skip looking the '.'
 | 
						|
    if (parseSuffix) {
 | 
						|
        ext = name.rfind('.');
 | 
						|
        if (ext == std::string::npos) {
 | 
						|
            usage();
 | 
						|
            return EShLangVertex;
 | 
						|
        }
 | 
						|
        ++ext;
 | 
						|
    }
 | 
						|
 | 
						|
    std::string suffix = name.substr(ext, std::string::npos);
 | 
						|
    if (shaderStageName)
 | 
						|
        suffix = shaderStageName;
 | 
						|
 | 
						|
    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** shaderStrings = ReadFileData(fileName);
 | 
						|
    if (! shaderStrings) {
 | 
						|
        usage();
 | 
						|
    }
 | 
						|
 | 
						|
    int* lengths = new int[NumShaderStrings];
 | 
						|
 | 
						|
    // move to length-based strings, rather than null-terminated strings
 | 
						|
    for (int s = 0; s < NumShaderStrings; ++s)
 | 
						|
        lengths[s] = (int)strlen(shaderStrings[s]);
 | 
						|
 | 
						|
    if (! shaderStrings) {
 | 
						|
        CompileFailed = true;
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    EShMessages messages = EShMsgDefault;
 | 
						|
    SetMessageOptions(messages);
 | 
						|
 | 
						|
    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, shaderStrings, NumShaderStrings, 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(shaderStrings);
 | 
						|
 | 
						|
    if (ret == 0)
 | 
						|
        CompileFailed = true;
 | 
						|
}
 | 
						|
 | 
						|
//
 | 
						|
//   print usage to stdout
 | 
						|
//
 | 
						|
void usage()
 | 
						|
{
 | 
						|
    printf("Usage: glslangValidator [option]... [file]...\n"
 | 
						|
           "\n"
 | 
						|
           "Where: each 'file' ends in .<stage>, where <stage> is one of\n"
 | 
						|
           "    .conf   to provide an optional 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"
 | 
						|
           "Compilation warnings and errors will be printed to stdout.\n"
 | 
						|
           "\n"
 | 
						|
           "To get other information, use one of the following options:\n"
 | 
						|
           "Each option must be specified separately.\n"
 | 
						|
           "  -V          create SPIR-V binary, under Vulkan semantics; turns on -l;\n"
 | 
						|
           "              default file name is <stage>.spv (-o overrides this)\n"
 | 
						|
           "  -G          create SPIR-V binary, under OpenGL semantics; turns on -l;\n"
 | 
						|
           "              default file name is <stage>.spv (-o overrides this)\n"
 | 
						|
           "  -H          print human readable form of SPIR-V; turns on -V\n"
 | 
						|
           "  -E          print pre-processed GLSL; cannot be used with -l;\n"
 | 
						|
           "              errors will appear on stderr.\n"
 | 
						|
           "  -S <stage>  uses explicit stage specified, rather then the file extension.\n"
 | 
						|
           "              valid choices are vert, tesc, tese, geom, frag, or comp\n"
 | 
						|
           "  -c          configuration dump;\n"
 | 
						|
           "              creates the default configuration file (redirect to a .conf file)\n"
 | 
						|
           "  -C          cascading errors; risks crashes from accumulation of error recoveries\n"
 | 
						|
           "  -d          default to desktop (#version 110) when there is no shader #version\n"
 | 
						|
           "              (default is ES version 100)\n"
 | 
						|
           "  -D          input is HLSL\n"
 | 
						|
           "  -e          specify entry-point name\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          relaxed semantic error-checking mode\n"
 | 
						|
           "  -s          silent mode\n"
 | 
						|
           "  -t          multi-threaded mode\n"
 | 
						|
           "  -v          print version strings\n"
 | 
						|
           "  -w          suppress warnings (except as required by #extension : warn)\n"
 | 
						|
           "  -x          save 32-bit hexadecimal numbers as text, requires a binary option (e.g., -V)\n"
 | 
						|
           "\n"
 | 
						|
           "  --shift-sampler-binding [stage] num     set base binding number for samplers\n"
 | 
						|
           "  --ssb [stage] num                       synonym for --shift-sampler-binding\n"
 | 
						|
           "\n"
 | 
						|
           "  --shift-texture-binding [stage] num     set base binding number for textures\n"
 | 
						|
           "  --stb [stage] num                       synonym for --shift-texture-binding\n"
 | 
						|
           "\n"
 | 
						|
           "  --shift-image-binding [stage] num       set base binding number for images (uav)\n"
 | 
						|
           "  --sib [stage] num                       synonym for --shift-image-binding\n"
 | 
						|
           "\n"
 | 
						|
           "  --shift-UBO-binding [stage] num         set base binding number for UBOs\n"
 | 
						|
           "  --sub [stage] num                       synonym for --shift-UBO-binding\n"
 | 
						|
           "\n"
 | 
						|
           "  --auto-map-bindings                     automatically bind uniform variables without\n"
 | 
						|
           "                                          explicit bindings.\n"
 | 
						|
           "  --amb                                   synonym for --auto-map-bindings\n"
 | 
						|
           "\n"
 | 
						|
           "  --flatten-uniform-arrays                flatten uniform texture & sampler arrays to scalars\n"
 | 
						|
           "  --fua                                   synonym for --flatten-uniform-arrays\n"
 | 
						|
           "\n"
 | 
						|
           "  --no-storage-format                     use Unknown image format\n"
 | 
						|
           "  --nsf                                   synonym for --no-storage-format\n"
 | 
						|
           "\n"
 | 
						|
           "  --source-entrypoint name                the given shader source function is renamed to be the entry point given in -e\n"
 | 
						|
           "  --sep                                   synonym for --source-entrypoint\n"
 | 
						|
           "\n"
 | 
						|
           "  --keep-uncalled                         don't eliminate uncalled functions when linking\n"
 | 
						|
           "  --ku                                    synonym for --keep-uncalled\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");
 | 
						|
 | 
						|
    int count = 0;
 | 
						|
    const int maxSourceStrings = 5;  // for testing splitting shader/tokens across multiple strings
 | 
						|
    char** return_data = (char**)malloc(sizeof(char *) * (maxSourceStrings+1)); // freed in FreeFileData()
 | 
						|
 | 
						|
    if (errorCode || in == nullptr)
 | 
						|
        Error("unable to open input file");
 | 
						|
 | 
						|
    while (fgetc(in) != EOF)
 | 
						|
        count++;
 | 
						|
 | 
						|
    fseek(in, 0, SEEK_SET);
 | 
						|
 | 
						|
    char *fdata = (char*)malloc(count+2); // freed before return of this function
 | 
						|
    if (! fdata)
 | 
						|
        Error("can't allocate memory");
 | 
						|
 | 
						|
    if ((int)fread(fdata, 1, count, in) != count) {
 | 
						|
        free(fdata);
 | 
						|
        Error("can't read input file");
 | 
						|
    }
 | 
						|
 | 
						|
    fdata[count] = '\0';
 | 
						|
    fclose(in);
 | 
						|
 | 
						|
    if (count == 0) {
 | 
						|
        // recover from empty file
 | 
						|
        return_data[0] = (char*)malloc(count+2);  // freed in FreeFileData()
 | 
						|
        return_data[0][0]='\0';
 | 
						|
        NumShaderStrings = 0;
 | 
						|
        free(fdata);
 | 
						|
 | 
						|
        return return_data;
 | 
						|
    } else
 | 
						|
        NumShaderStrings = 1;  // Set to larger than 1 for testing multiple strings
 | 
						|
 | 
						|
    // compute how to split up the file into multiple strings, for testing multiple strings
 | 
						|
    int len = (int)(ceil)((float)count/(float)NumShaderStrings);
 | 
						|
    int ptr_len = 0;
 | 
						|
    int i = 0;
 | 
						|
    while (count > 0) {
 | 
						|
        return_data[i] = (char*)malloc(len + 2);  // freed in FreeFileData()
 | 
						|
        memcpy(return_data[i], fdata + ptr_len, len);
 | 
						|
        return_data[i][len] = '\0';
 | 
						|
        count -= len;
 | 
						|
        ptr_len += len;
 | 
						|
        if (count < len) {
 | 
						|
            if (count == 0) {
 | 
						|
               NumShaderStrings = i + 1;
 | 
						|
               break;
 | 
						|
            }
 | 
						|
            len = count;
 | 
						|
        }
 | 
						|
        ++i;
 | 
						|
    }
 | 
						|
 | 
						|
    free(fdata);
 | 
						|
 | 
						|
    return return_data;
 | 
						|
}
 | 
						|
 | 
						|
void FreeFileData(char** data)
 | 
						|
{
 | 
						|
    for(int i = 0; i < NumShaderStrings; i++)
 | 
						|
        free(data[i]);
 | 
						|
 | 
						|
    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);
 | 
						|
}
 |