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fccfb5a90e
glslang/StandAlone/StandAlone.cpp
John Kessenich fccfb5a90e Remove unneeded skeletal work. 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@28345 e7fa87d3-cd2b-0410-9028-fcbf551c1848
2014-09-28 18:43:52 +00:00

978 lines
35 KiB
C++
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//
//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
//Copyright (C) 2013 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 "Worklist.h"
#include "./../glslang/Include/ShHandle.h"
#include "./../glslang/Public/ShaderLang.h"
#include "../BIL/GlslangToBil.h"
#include "../BIL/GLSL450Lib.h"
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include "osinclude.h"
extern "C" {
SH_IMPORT_EXPORT void ShOutputHtml();
}
// Command-line options
enum TOptions {
EOptionNone = 0x000,
EOptionIntermediate = 0x001,
EOptionSuppressInfolog = 0x002,
EOptionMemoryLeakMode = 0x004,
EOptionRelaxedErrors = 0x008,
EOptionGiveWarnings = 0x010,
EOptionLinkProgram = 0x020,
EOptionMultiThreaded = 0x040,
EOptionDumpConfig = 0x080,
EOptionDumpReflection = 0x100,
EOptionSuppressWarnings = 0x200,
EOptionDumpVersions = 0x400,
EOptionBil = 0x800,
EOptionDefaultDesktop = 0x1000,
};
//
// Return codes from main.
//
enum TFailCode {
ESuccess = 0,
EFailUsage,
EFailCompile,
EFailLink,
EFailCompilerCreate,
EFailThreadCreate,
EFailLinkerCreate
};
//
// Just placeholders for testing purposes. The stand-alone environment
// can't actually do a full link without something specifying real
// attribute bindings.
//
ShBinding FixedAttributeBindings[] = {
{ "gl_Vertex", 15 },
{ "gl_Color", 10 },
{ "gl_Normal", 7 },
};
ShBindingTable FixedAttributeTable = { 3, FixedAttributeBindings };
EShLanguage FindLanguage(const std::string& name);
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.
int NumShaderStrings;
TBuiltInResource Resources;
std::string ConfigFile;
//
// These are the default resources for TBuiltInResources, used for both
// - parsing this string for the case where the user didn't supply one
// - dumping out a template for user construction of a config file
//
const char* DefaultConfig =
"MaxLights 32\n"
"MaxClipPlanes 6\n"
"MaxTextureUnits 32\n"
"MaxTextureCoords 32\n"
"MaxVertexAttribs 64\n"
"MaxVertexUniformComponents 4096\n"
"MaxVaryingFloats 64\n"
"MaxVertexTextureImageUnits 32\n"
"MaxCombinedTextureImageUnits 80\n"
"MaxTextureImageUnits 32\n"
"MaxFragmentUniformComponents 4096\n"
"MaxDrawBuffers 32\n"
"MaxVertexUniformVectors 128\n"
"MaxVaryingVectors 8\n"
"MaxFragmentUniformVectors 16\n"
"MaxVertexOutputVectors 16\n"
"MaxFragmentInputVectors 15\n"
"MinProgramTexelOffset -8\n"
"MaxProgramTexelOffset 7\n"
"MaxClipDistances 8\n"
"MaxComputeWorkGroupCountX 65535\n"
"MaxComputeWorkGroupCountY 65535\n"
"MaxComputeWorkGroupCountZ 65535\n"
"MaxComputeWorkGroupSizeX 1024\n"
"MaxComputeWorkGroupSizeY 1024\n"
"MaxComputeWorkGroupSizeZ 64\n"
"MaxComputeUniformComponents 1024\n"
"MaxComputeTextureImageUnits 16\n"
"MaxComputeImageUniforms 8\n"
"MaxComputeAtomicCounters 8\n"
"MaxComputeAtomicCounterBuffers 1\n"
"MaxVaryingComponents 60\n"
"MaxVertexOutputComponents 64\n"
"MaxGeometryInputComponents 64\n"
"MaxGeometryOutputComponents 128\n"
"MaxFragmentInputComponents 128\n"
"MaxImageUnits 8\n"
"MaxCombinedImageUnitsAndFragmentOutputs 8\n"
"MaxCombinedShaderOutputResources 8\n"
"MaxImageSamples 0\n"
"MaxVertexImageUniforms 0\n"
"MaxTessControlImageUniforms 0\n"
"MaxTessEvaluationImageUniforms 0\n"
"MaxGeometryImageUniforms 0\n"
"MaxFragmentImageUniforms 8\n"
"MaxCombinedImageUniforms 8\n"
"MaxGeometryTextureImageUnits 16\n"
"MaxGeometryOutputVertices 256\n"
"MaxGeometryTotalOutputComponents 1024\n"
"MaxGeometryUniformComponents 1024\n"
"MaxGeometryVaryingComponents 64\n"
"MaxTessControlInputComponents 128\n"
"MaxTessControlOutputComponents 128\n"
"MaxTessControlTextureImageUnits 16\n"
"MaxTessControlUniformComponents 1024\n"
"MaxTessControlTotalOutputComponents 4096\n"
"MaxTessEvaluationInputComponents 128\n"
"MaxTessEvaluationOutputComponents 128\n"
"MaxTessEvaluationTextureImageUnits 16\n"
"MaxTessEvaluationUniformComponents 1024\n"
"MaxTessPatchComponents 120\n"
"MaxPatchVertices 32\n"
"MaxTessGenLevel 64\n"
"MaxViewports 16\n"
"MaxVertexAtomicCounters 0\n"
"MaxTessControlAtomicCounters 0\n"
"MaxTessEvaluationAtomicCounters 0\n"
"MaxGeometryAtomicCounters 0\n"
"MaxFragmentAtomicCounters 8\n"
"MaxCombinedAtomicCounters 8\n"
"MaxAtomicCounterBindings 1\n"
"MaxVertexAtomicCounterBuffers 0\n"
"MaxTessControlAtomicCounterBuffers 0\n"
"MaxTessEvaluationAtomicCounterBuffers 0\n"
"MaxGeometryAtomicCounterBuffers 0\n"
"MaxFragmentAtomicCounterBuffers 1\n"
"MaxCombinedAtomicCounterBuffers 1\n"
"MaxAtomicCounterBufferSize 16384\n"
"MaxTransformFeedbackBuffers 4\n"
"MaxTransformFeedbackInterleavedComponents 64\n"
"MaxCullDistances 8\n"
"MaxCombinedClipAndCullDistances 8\n"
"MaxSamples 4\n"
"nonInductiveForLoops 1\n"
"whileLoops 1\n"
"doWhileLoops 1\n"
"generalUniformIndexing 1\n"
"generalAttributeMatrixVectorIndexing 1\n"
"generalVaryingIndexing 1\n"
"generalSamplerIndexing 1\n"
"generalVariableIndexing 1\n"
"generalConstantMatrixVectorIndexing 1\n"
;
//
// Parse either a .conf file provided by the user or the default string above.
//
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) {
config = new char[strlen(DefaultConfig) + 1];
strcpy(config, DefaultConfig);
}
const char* delims = " \t\n\r";
const char* token = strtok(config, delims);
while (token) {
const char* valueStr = strtok(0, delims);
if (valueStr == 0 || ! (valueStr[0] == '-' || (valueStr[0] >= '0' && valueStr[0] <= '9'))) {
printf("Error: '%s' bad .conf file. Each name must be followed by one number.\n", valueStr ? valueStr : "");
return;
}
int value = atoi(valueStr);
if (strcmp(token, "MaxLights") == 0)
Resources.maxLights = value;
else if (strcmp(token, "MaxClipPlanes") == 0)
Resources.maxClipPlanes = value;
else if (strcmp(token, "MaxTextureUnits") == 0)
Resources.maxTextureUnits = value;
else if (strcmp(token, "MaxTextureCoords") == 0)
Resources.maxTextureCoords = value;
else if (strcmp(token, "MaxVertexAttribs") == 0)
Resources.maxVertexAttribs = value;
else if (strcmp(token, "MaxVertexUniformComponents") == 0)
Resources.maxVertexUniformComponents = value;
else if (strcmp(token, "MaxVaryingFloats") == 0)
Resources.maxVaryingFloats = value;
else if (strcmp(token, "MaxVertexTextureImageUnits") == 0)
Resources.maxVertexTextureImageUnits = value;
else if (strcmp(token, "MaxCombinedTextureImageUnits") == 0)
Resources.maxCombinedTextureImageUnits = value;
else if (strcmp(token, "MaxTextureImageUnits") == 0)
Resources.maxTextureImageUnits = value;
else if (strcmp(token, "MaxFragmentUniformComponents") == 0)
Resources.maxFragmentUniformComponents = value;
else if (strcmp(token, "MaxDrawBuffers") == 0)
Resources.maxDrawBuffers = value;
else if (strcmp(token, "MaxVertexUniformVectors") == 0)
Resources.maxVertexUniformVectors = value;
else if (strcmp(token, "MaxVaryingVectors") == 0)
Resources.maxVaryingVectors = value;
else if (strcmp(token, "MaxFragmentUniformVectors") == 0)
Resources.maxFragmentUniformVectors = value;
else if (strcmp(token, "MaxVertexOutputVectors") == 0)
Resources.maxVertexOutputVectors = value;
else if (strcmp(token, "MaxFragmentInputVectors") == 0)
Resources.maxFragmentInputVectors = value;
else if (strcmp(token, "MinProgramTexelOffset") == 0)
Resources.minProgramTexelOffset = value;
else if (strcmp(token, "MaxProgramTexelOffset") == 0)
Resources.maxProgramTexelOffset = value;
else if (strcmp(token, "MaxClipDistances") == 0)
Resources.maxClipDistances = value;
else if (strcmp(token, "MaxComputeWorkGroupCountX") == 0)
Resources.maxComputeWorkGroupCountX = value;
else if (strcmp(token, "MaxComputeWorkGroupCountY") == 0)
Resources.maxComputeWorkGroupCountY = value;
else if (strcmp(token, "MaxComputeWorkGroupCountZ") == 0)
Resources.maxComputeWorkGroupCountZ = value;
else if (strcmp(token, "MaxComputeWorkGroupSizeX") == 0)
Resources.maxComputeWorkGroupSizeX = value;
else if (strcmp(token, "MaxComputeWorkGroupSizeY") == 0)
Resources.maxComputeWorkGroupSizeY = value;
else if (strcmp(token, "MaxComputeWorkGroupSizeZ") == 0)
Resources.maxComputeWorkGroupSizeZ = value;
else if (strcmp(token, "MaxComputeUniformComponents") == 0)
Resources.maxComputeUniformComponents = value;
else if (strcmp(token, "MaxComputeTextureImageUnits") == 0)
Resources.maxComputeTextureImageUnits = value;
else if (strcmp(token, "MaxComputeImageUniforms") == 0)
Resources.maxComputeImageUniforms = value;
else if (strcmp(token, "MaxComputeAtomicCounters") == 0)
Resources.maxComputeAtomicCounters = value;
else if (strcmp(token, "MaxComputeAtomicCounterBuffers") == 0)
Resources.maxComputeAtomicCounterBuffers = value;
else if (strcmp(token, "MaxVaryingComponents") == 0)
Resources.maxVaryingComponents = value;
else if (strcmp(token, "MaxVertexOutputComponents") == 0)
Resources.maxVertexOutputComponents = value;
else if (strcmp(token, "MaxGeometryInputComponents") == 0)
Resources.maxGeometryInputComponents = value;
else if (strcmp(token, "MaxGeometryOutputComponents") == 0)
Resources.maxGeometryOutputComponents = value;
else if (strcmp(token, "MaxFragmentInputComponents") == 0)
Resources.maxFragmentInputComponents = value;
else if (strcmp(token, "MaxImageUnits") == 0)
Resources.maxImageUnits = value;
else if (strcmp(token, "MaxCombinedImageUnitsAndFragmentOutputs") == 0)
Resources.maxCombinedImageUnitsAndFragmentOutputs = value;
else if (strcmp(token, "MaxCombinedShaderOutputResources") == 0)
Resources.maxCombinedShaderOutputResources = value;
else if (strcmp(token, "MaxImageSamples") == 0)
Resources.maxImageSamples = value;
else if (strcmp(token, "MaxVertexImageUniforms") == 0)
Resources.maxVertexImageUniforms = value;
else if (strcmp(token, "MaxTessControlImageUniforms") == 0)
Resources.maxTessControlImageUniforms = value;
else if (strcmp(token, "MaxTessEvaluationImageUniforms") == 0)
Resources.maxTessEvaluationImageUniforms = value;
else if (strcmp(token, "MaxGeometryImageUniforms") == 0)
Resources.maxGeometryImageUniforms = value;
else if (strcmp(token, "MaxFragmentImageUniforms") == 0)
Resources.maxFragmentImageUniforms = value;
else if (strcmp(token, "MaxCombinedImageUniforms") == 0)
Resources.maxCombinedImageUniforms = value;
else if (strcmp(token, "MaxGeometryTextureImageUnits") == 0)
Resources.maxGeometryTextureImageUnits = value;
else if (strcmp(token, "MaxGeometryOutputVertices") == 0)
Resources.maxGeometryOutputVertices = value;
else if (strcmp(token, "MaxGeometryTotalOutputComponents") == 0)
Resources.maxGeometryTotalOutputComponents = value;
else if (strcmp(token, "MaxGeometryUniformComponents") == 0)
Resources.maxGeometryUniformComponents = value;
else if (strcmp(token, "MaxGeometryVaryingComponents") == 0)
Resources.maxGeometryVaryingComponents = value;
else if (strcmp(token, "MaxTessControlInputComponents") == 0)
Resources.maxTessControlInputComponents = value;
else if (strcmp(token, "MaxTessControlOutputComponents") == 0)
Resources.maxTessControlOutputComponents = value;
else if (strcmp(token, "MaxTessControlTextureImageUnits") == 0)
Resources.maxTessControlTextureImageUnits = value;
else if (strcmp(token, "MaxTessControlUniformComponents") == 0)
Resources.maxTessControlUniformComponents = value;
else if (strcmp(token, "MaxTessControlTotalOutputComponents") == 0)
Resources.maxTessControlTotalOutputComponents = value;
else if (strcmp(token, "MaxTessEvaluationInputComponents") == 0)
Resources.maxTessEvaluationInputComponents = value;
else if (strcmp(token, "MaxTessEvaluationOutputComponents") == 0)
Resources.maxTessEvaluationOutputComponents = value;
else if (strcmp(token, "MaxTessEvaluationTextureImageUnits") == 0)
Resources.maxTessEvaluationTextureImageUnits = value;
else if (strcmp(token, "MaxTessEvaluationUniformComponents") == 0)
Resources.maxTessEvaluationUniformComponents = value;
else if (strcmp(token, "MaxTessPatchComponents") == 0)
Resources.maxTessPatchComponents = value;
else if (strcmp(token, "MaxPatchVertices") == 0)
Resources.maxPatchVertices = value;
else if (strcmp(token, "MaxTessGenLevel") == 0)
Resources.maxTessGenLevel = value;
else if (strcmp(token, "MaxViewports") == 0)
Resources.maxViewports = value;
else if (strcmp(token, "MaxVertexAtomicCounters") == 0)
Resources.maxVertexAtomicCounters = value;
else if (strcmp(token, "MaxTessControlAtomicCounters") == 0)
Resources.maxTessControlAtomicCounters = value;
else if (strcmp(token, "MaxTessEvaluationAtomicCounters") == 0)
Resources.maxTessEvaluationAtomicCounters = value;
else if (strcmp(token, "MaxGeometryAtomicCounters") == 0)
Resources.maxGeometryAtomicCounters = value;
else if (strcmp(token, "MaxFragmentAtomicCounters") == 0)
Resources.maxFragmentAtomicCounters = value;
else if (strcmp(token, "MaxCombinedAtomicCounters") == 0)
Resources.maxCombinedAtomicCounters = value;
else if (strcmp(token, "MaxAtomicCounterBindings") == 0)
Resources.maxAtomicCounterBindings = value;
else if (strcmp(token, "MaxVertexAtomicCounterBuffers") == 0)
Resources.maxVertexAtomicCounterBuffers = value;
else if (strcmp(token, "MaxTessControlAtomicCounterBuffers") == 0)
Resources.maxTessControlAtomicCounterBuffers = value;
else if (strcmp(token, "MaxTessEvaluationAtomicCounterBuffers") == 0)
Resources.maxTessEvaluationAtomicCounterBuffers = value;
else if (strcmp(token, "MaxGeometryAtomicCounterBuffers") == 0)
Resources.maxGeometryAtomicCounterBuffers = value;
else if (strcmp(token, "MaxFragmentAtomicCounterBuffers") == 0)
Resources.maxFragmentAtomicCounterBuffers = value;
else if (strcmp(token, "MaxCombinedAtomicCounterBuffers") == 0)
Resources.maxCombinedAtomicCounterBuffers = value;
else if (strcmp(token, "MaxAtomicCounterBufferSize") == 0)
Resources.maxAtomicCounterBufferSize = value;
else if (strcmp(token, "MaxTransformFeedbackBuffers") == 0)
Resources.maxTransformFeedbackBuffers = value;
else if (strcmp(token, "MaxTransformFeedbackInterleavedComponents") == 0)
Resources.maxTransformFeedbackInterleavedComponents = value;
else if (strcmp(token, "MaxCullDistances") == 0)
Resources.maxCullDistances = value;
else if (strcmp(token, "MaxCombinedClipAndCullDistances") == 0)
Resources.maxCombinedClipAndCullDistances = value;
else if (strcmp(token, "MaxSamples") == 0)
Resources.maxSamples = value;
else if (strcmp(token, "nonInductiveForLoops") == 0)
Resources.limits.nonInductiveForLoops = (value != 0);
else if (strcmp(token, "whileLoops") == 0)
Resources.limits.whileLoops = (value != 0);
else if (strcmp(token, "doWhileLoops") == 0)
Resources.limits.doWhileLoops = (value != 0);
else if (strcmp(token, "generalUniformIndexing") == 0)
Resources.limits.generalUniformIndexing = (value != 0);
else if (strcmp(token, "generalAttributeMatrixVectorIndexing") == 0)
Resources.limits.generalAttributeMatrixVectorIndexing = (value != 0);
else if (strcmp(token, "generalVaryingIndexing") == 0)
Resources.limits.generalVaryingIndexing = (value != 0);
else if (strcmp(token, "generalSamplerIndexing") == 0)
Resources.limits.generalSamplerIndexing = (value != 0);
else if (strcmp(token, "generalVariableIndexing") == 0)
Resources.limits.generalVariableIndexing = (value != 0);
else if (strcmp(token, "generalConstantMatrixVectorIndexing") == 0)
Resources.limits.generalConstantMatrixVectorIndexing = (value != 0);
else
printf("Warning: unrecognized limit (%s) in configuration file.\n", token);
token = strtok(0, delims);
}
if (configStrings)
FreeFileData(configStrings);
}
// 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;
//
// *.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;
}
bool ProcessArguments(int argc, char* argv[])
{
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];
Work[0] = 0;
argc--;
argv++;
for (; argc >= 1; argc--, argv++) {
Work[argc] = 0;
if (argv[0][0] == '-') {
switch (argv[0][1]) {
case 'b':
Options |= EOptionBil;
Options |= EOptionLinkProgram;
break;
case 'c':
Options |= EOptionDumpConfig;
break;
case 'd':
Options |= EOptionDefaultDesktop;
break;
case 'i':
Options |= EOptionIntermediate;
break;
case 'l':
Options |= EOptionLinkProgram;
break;
case 'm':
Options |= EOptionMemoryLeakMode;
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;
default:
return false;
}
} else {
std::string name(argv[0]);
if (! SetConfigFile(name)) {
Work[argc] = new glslang::TWorkItem(name);
Worklist.add(Work[argc]);
}
}
}
return true;
}
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);
}
// Thread entry point, for non-linking asynchronous mode.
//
// Return 0 for failure, 1 for success.
//
unsigned int
#ifdef _WIN32
__stdcall
#endif
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;
}
//
// For linking mode: Will independently parse each item in the worklist, but then put them
// in the same program and link them together.
//
// Uses the new C++ interface instead of the old handle-based interface.
//
void CompileAndLinkShaders()
{
// 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;
glslang::TWorkItem* workItem;
while (Worklist.remove(workItem)) {
EShLanguage stage = FindLanguage(workItem->name);
glslang::TShader* shader = new glslang::TShader(stage);
shaders.push_back(shader);
char** shaderStrings = ReadFileData(workItem->name.c_str());
if (! shaderStrings) {
usage();
return;
}
shader->setStrings(shaderStrings, 1);
if (! shader->parse(&Resources, (Options & EOptionDefaultDesktop) ? 110 : 100, false, messages))
CompileFailed = true;
program.addShader(shader);
if (! (Options & EOptionSuppressInfolog)) {
puts(workItem->name.c_str());
puts(shader->getInfoLog());
puts(shader->getInfoDebugLog());
}
FreeFileData(shaderStrings);
}
//
// Program-level processing...
//
if (! program.link(messages))
LinkFailed = true;
if (! (Options & EOptionSuppressInfolog)) {
puts(program.getInfoLog());
puts(program.getInfoDebugLog());
}
if (Options & EOptionDumpReflection) {
program.buildReflection();
program.dumpReflection();
}
if (Options & EOptionBil) {
if (CompileFailed || LinkFailed)
printf("Bil 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> bil;
glslang::GlslangToBil(*program.getIntermediate((EShLanguage)stage), bil);
const char* name;
switch (stage) {
case EShLangVertex: name = "vert"; break;
case EShLangTessControl: name = "tesc"; break;
case EShLangTessEvaluation: name = "tese"; break;
case EShLangGeometry: name = "geom"; break;
case EShLangFragment: name = "frag"; break;
case EShLangCompute: name = "comp"; break;
default: name = "unknown"; break;
}
glslang::OutputBil(bil, name);
}
}
}
}
// 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();
}
}
int C_DECL main(int argc, char* argv[])
{
if (! ProcessArguments(argc, argv)) {
usage();
return EFailUsage;
}
if (Options & EOptionDumpConfig) {
printf("%s", DefaultConfig);
if (Worklist.empty())
return ESuccess;
}
if (Options & EOptionDumpVersions) {
printf("ESSL Version: %s\n", glslang::GetEsslVersionString());
printf("GLSL Version: %s\n", glslang::GetGlslVersionString());
if (Worklist.empty())
return ESuccess;
}
if (Worklist.empty()) {
usage();
return EFailUsage;
}
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) {
glslang::InitializeProcess();
GLSL_STD_450::Initialize();
CompileAndLinkShaders();
glslang::FinalizeProcess();
} 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)
puts(Work[w]->name.c_str());
puts(Work[w]->results.c_str());
delete Work[w];
}
}
ShFinalize();
}
if (CompileFailed)
return EFailCompile;
if (LinkFailed)
return EFailLink;
return 0;
}
//
// Deduce the language from the filename. Files must end in one of the
// following extensions:
//
// .vert = vertex
// .tesc = tessellation control
// .tese = tessellation evaluation
// .geom = geometry
// .frag = fragment
// .comp = compute
//
EShLanguage FindLanguage(const std::string& name)
{
size_t ext = name.rfind('.');
if (ext == std::string::npos) {
usage();
return EShLangVertex;
}
std::string suffix = name.substr(ext + 1, std::string::npos);
if (suffix == "vert")
return EShLangVertex;
else if (suffix == "tesc")
return EShLangTessControl;
else if (suffix == "tese")
return EShLangTessEvaluation;
else if (suffix == "geom")
return EShLangGeometry;
else if (suffix == "frag")
return EShLangFragment;
else if (suffix == "comp")
return EShLangCompute;
usage();
return EShLangVertex;
}
//
// Read a file's data into a string, and compile it using the old interface ShCompile,
// for non-linkable results.
//
void CompileFile(const char* fileName, ShHandle compiler)
{
int ret;
char** shaderStrings = ReadFileData(fileName);
if (! shaderStrings) {
usage();
CompileFailed = true;
return;
}
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, 0, 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, 0, 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\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, but can go anywhere in the command line.)\n"
" -b create BIL in file <stage>.bil\n"
" -c configuration dump; use to create default configuration file (redirect to a .conf file)\n"
" -d default to desktop (#version 110) when there is no version in the shader (default is ES version 100)\n"
" -i intermediate tree (glslang AST) is printed out\n"
" -l link validation of all input files\n"
" -m memory leak mode\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"
);
}
#ifndef _WIN32
#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;
#if defined(_WIN32) && defined(__GNUC__)
in = fopen(fileName, "r");
int errorCode = in ? 0 : 1;
#else
int errorCode = fopen_s(&in, fileName, "r");
#endif
char *fdata;
int count = 0;
const int maxSourceStrings = 5;
char** return_data = (char**)malloc(sizeof(char *) * (maxSourceStrings+1));
if (errorCode) {
printf("Error: unable to open input file: %s\n", fileName);
return 0;
}
while (fgetc(in) != EOF)
count++;
fseek(in, 0, SEEK_SET);
if (!(fdata = (char*)malloc(count+2))) {
printf("Error allocating memory\n");
return 0;
}
if (fread(fdata,1,count, in)!=count) {
printf("Error reading input file: %s\n", fileName);
return 0;
}
fdata[count] = '\0';
fclose(in);
if (count == 0) {
return_data[0]=(char*)malloc(count+2);
return_data[0][0]='\0';
NumShaderStrings = 0;
return return_data;
} else
NumShaderStrings = 1;
int len = (int)(ceil)((float)count/(float)NumShaderStrings);
int ptr_len=0,i=0;
while(count>0){
return_data[i]=(char*)malloc(len+2);
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;
}
return return_data;
}
void FreeFileData(char** data)
{
for(int i=0;i<NumShaderStrings;i++)
free(data[i]);
}
void InfoLogMsg(const char* msg, const char* name, const int num)
{
printf(num >= 0 ? "#### %s %s %d INFO LOG ####\n" :
"#### %s %s INFO LOG ####\n", msg, name, num);
}
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