OpenFlipper.cc 27.3 KB
Newer Older
Jan Möbius's avatar
Jan Möbius committed
1 2 3
/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
Martin Schultz's avatar
Martin Schultz committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. 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.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder 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 HOLDER *
 * 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.              *
Jan Möbius's avatar
Jan Möbius committed
39 40
*                                                                            *
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
41

Jan Möbius's avatar
Jan Möbius committed
42 43 44 45 46 47 48
/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/
Jan Möbius's avatar
 
Jan Möbius committed
49 50 51 52 53 54



// Mainwindow

#include "OpenFlipper/Core/Core.hh"
Hans-Christian Ebke's avatar
Hans-Christian Ebke committed
55
#include "common/glew_wrappers.hh"
Jan Möbius's avatar
 
Jan Möbius committed
56 57 58 59 60 61

// Qt
#include <qgl.h>

// stdc++
#include <csignal>
62
#include <regex>
63 64

#include <QCommandLineParser>
Jan Möbius's avatar
 
Jan Möbius committed
65

Matthias Möller's avatar
Matthias Möller committed
66
#if ( defined(WIN32))
Mike Kremer's avatar
Mike Kremer committed
67 68 69 70
  #define NO_EXECINFO
#endif

#ifndef NO_EXECINFO
71
#include <execinfo.h>
Jan Möbius's avatar
 
Jan Möbius committed
72 73 74 75 76
#endif

#ifdef USE_OPENMP
#endif

77 78 79 80 81 82 83 84
/* ==========================================================
 *
 * Stackwalker code. Used to get a backtrace if OpenFlipper
 * crashes under windows
 *
 * ==========================================================*/


85 86
#ifdef WIN32
  #include "StackWalker/StackWalker.hh"
87
  #include <fstream>
88 89 90 91 92 93

  class StackWalkerToConsole : public StackWalker
  {
  protected:
	  virtual void OnOutput(LPCSTR szText)
    	{
94 95 96
			// Writes crash dump to .OpenFlipper config directory
			std::ofstream crashFile;
			QString crashName = OpenFlipper::Options::configDirStr() + QDir::separator() + "CrashDump.txt";
Jan Möbius's avatar
Jan Möbius committed
97
			crashFile.open(crashName.toLatin1(),std::ios::out | std::ios::app);
98 99
			crashFile << szText;
			crashFile.close();
Jan Möbius's avatar
Jan Möbius committed
100 101 102

			// Write crash dump to console as well
			StackWalker::OnOutput(szText);
103 104 105 106
	  }
  };
#endif

107 108 109 110 111 112 113 114 115

/* ==========================================================
 *
 * Console for Windows to get additional output written via
 * cerr, cout, ... that is not forwarded to log window
 *
 * ==========================================================*/

#ifdef WIN32
116

117 118 119 120 121 122 123 124 125 126 127 128 129
void connect_console()
{
  FILE* check = freopen("CONIN$", "r", stdin);
  if (check) {
    std::cerr << "Error reopening stdin" << std::endl;
  }
  check = freopen("CONOUT$", "w", stdout);
  if (check) {
    std::cerr << "Error reopening stdout" << std::endl;
  }
  check = freopen("CONOUT$", "w", stderr);
  if (check) {
    std::cerr << "Error reopening stderr" << std::endl;
130
  }
131 132 133 134 135 136
  std::cout.clear();
  std::cerr.clear();
  std::cin.clear();
  std::wcout.clear();
  std::wcerr.clear();
  std::wcin.clear();
137
}
138

Martin Schultz's avatar
Martin Schultz committed
139
  void attachConsole()
Jan Möbius's avatar
Jan Möbius committed
140 141 142 143 144
   {
     //try to attach the console of the parent process
     if (AttachConsole(-1))
     {
       //if the console was attached change stdinput and output
145
       connect_console();
Jan Möbius's avatar
Jan Möbius committed
146 147 148 149 150 151
     }
     else
     {
       //create and attach a new console if needed
 #ifndef NDEBUG
       //always open a console in debug mode
152
       AllocConsole();     
153
       connect_console();
Jan Möbius's avatar
Jan Möbius committed
154 155 156 157 158 159

       return;
 #endif
       if (OpenFlipper::Options::logToConsole())
       {
         AllocConsole();
160
         connect_console();
Jan Möbius's avatar
Jan Möbius committed
161 162 163
       }
     }
   }
164

165 166 167 168 169 170 171 172
#endif

/* ==========================================================
 *
 * Linux function printing a full stack trace to the console
 *
 * ==========================================================*/
#ifndef NO_EXECINFO
173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197

#if defined(__GLIBCXX__) || defined(__GLIBCPP__)
// GCC: implement demangling using cxxabi
#include <cxxabi.h>
std::string demangle(const std::string& _symbol)
{
    int status;
    char* demangled = abi::__cxa_demangle(_symbol.c_str(), nullptr, nullptr, &status);
    if (demangled) {
        std::string result{demangled};
        free(demangled);
        if (status == 0) {
            return result;
        }
        else {
            return _symbol;
        }
    }
    else {
        return _symbol;
    }
}
#else
// other compiler environment: no demangling
std::string demangle(const std::string& _symbol)
198
{
199 200 201
    return _symbol;
}
#endif
202

203 204 205 206
void backtrace()
{
    void *addresses[20];
    char **strings;
Jan Möbius's avatar
Jan Möbius committed
207

208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231
    int size = backtrace(addresses, 20);
    strings = backtrace_symbols(addresses, size);
    std::cerr << "Stack frames: " << size << std::endl;
    // line format:
    // <path>(<mangled_name>+<offset>) [<address>]
    std::regex line_format{R"(^\s*(.+)\((([^()]+)?\+(0x[0-9a-f]+))?\)\s+\[(0x[0-9a-f]+)\]\s*$)"};
    for(int i = 0; i < size; i++) {
        std::string line{strings[i]};
        std::smatch match;
        std::regex_match(line, match, line_format);
        if (!match.empty()) {
            auto file_name = match[1].str();
            auto symbol = demangle(match[3].str());
            auto offset = match[4].str();
            auto address = match[5].str();
            std::cerr << i << ":";
            if (!file_name.empty()) std::cerr << " " << file_name << " ::";
            if (!symbol.empty()) std::cerr << " " << symbol;
            if (!offset.empty()) std::cerr << " (+" << offset << ")";
            if (!address.empty()) std::cerr << " [" << address << "]";
            std::cerr << std::endl;
        }
    }
    free(strings);
232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
}
#endif

/* ==========================================================
 *
 * General segfault handler. This function is called if OpenFlipper
 * crashes
 *
 * ==========================================================*/
void segfaultHandling (int) {

  // prevent infinite recursion if segfaultHandling() causes another segfault
  std::signal(SIGSEGV, SIG_DFL);


  std::cerr << "\n" << std::endl;
  std::cerr << "\n" << std::endl;
  std::cerr << "\33[31m" << "=====================================================" << std::endl;
  std::cerr << "\33[31m" << "OpenFlipper or one of its plugins caused a Segfault." << std::endl;
  std::cerr << "\33[31m" << "This should not happen,... Sorry :-(" << std::endl;
  std::cerr << "\33[31m" << "=====================================================" << std::endl;
  std::cerr << "\n" << std::endl;

  // Linux Handler
#ifndef NO_EXECINFO
  std::cerr << "\33[0m"  << "Trying a backtrace to show what happened last: " << std::endl;
  backtrace();

  std::cerr << "\n" << std::endl;
  std::cerr << "Backtrace completed, trying to abort now ..." << std::endl;
#endif

  // Windows handler via StackWalker
#ifdef WIN32
  StackWalkerToConsole sw;
  sw.ShowCallstack();
#endif


Jan Möbius's avatar
Jan Möbius committed
271 272 273 274 275 276 277 278
  std::cerr << "Trying to get additional information (This might fail if the memory is corrupted)." << std::endl;

  if (OpenFlipper::Options::gui()) {
    for ( unsigned int i = 0 ; i <  4 ; ++i) {
      std::cerr << "DrawMode Viewer "<<  i << " " << PluginFunctions::drawMode(i).description() << std::endl;
    }
  }

279 280
  std::abort();
}
281

282 283 284 285 286 287
enum CommandLineParseResult
{
    CommandLineOk,
    CommandLineError,
    CommandLineVersionRequested,
    CommandLineHelpRequested
Jan Möbius's avatar
 
Jan Möbius committed
288 289
};

290

291 292
bool openPolyMeshes = false;
bool remoteControl  = false;
293

294 295
// Parse all options
CommandLineParseResult parseCommandLine(QCommandLineParser &parser, QString *errorMessage) {
296

297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319
  #ifndef WIN32
  #ifndef __APPLE__
    //workaround for bug with stereo mode on Qt5.7.0 and Qt5.7.1 on Linux
    int QtVersionMajor, QtVersionMinor, QtVersionPatch;
    if(sscanf(qVersion(),"%1d.%1d.%1d",&QtVersionMajor, &QtVersionMinor, &QtVersionPatch) == 3)
    {
      if(QtVersionMajor == 5 && QtVersionMinor >= 7)
      {
        if(QtVersionPatch < 2)
        {
          std::cerr << "The used Qt Version does not support stereo mode. Disabling stereo mode." << std::endl;
          OpenFlipper::Options::stereo(false);
        }
        else
          std::cerr << "Stereo Mode has not been tested for the used Qt Version." << std::endl;
      }
    }
  #endif
  #endif


 parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);

320

321 322
 QCommandLineOption debugOption(QStringList() << "d" << "debug",QCoreApplication::translate("main", "Enable debugging mode"));
 parser.addOption(debugOption);
323

324 325
 QCommandLineOption stereoOption("disable-stereo",QCoreApplication::translate("main", "Disable stereo mode"));
 parser.addOption(stereoOption);
Jan Möbius's avatar
 
Jan Möbius committed
326

327 328
 QCommandLineOption batchOption(QStringList() << "b" << "batch",QCoreApplication::translate("main", "Batch mode, you have to provide a script for execution"));
 parser.addOption(batchOption);
Jan Möbius's avatar
 
Jan Möbius committed
329

330 331
 QCommandLineOption logConsoleOption(QStringList() << "c" << "log-to-console",QCoreApplication::translate("main", "Write logger window contents to console"));
 parser.addOption(logConsoleOption);
332

333 334
 QCommandLineOption remoteControlOption("remote-control",QCoreApplication::translate("main", "Batch mode accepting remote connections"));
 parser.addOption(remoteControlOption);
335

336
 QCommandLineOption fulscreenOption(QStringList() << "f" << "fullscreen",QCoreApplication::translate("main", "Start in fullscreen mode"));
337
 parser.addOption(fulscreenOption);
338

339 340
 QCommandLineOption hideLoggerOption(QStringList() << "l" << "hide-logger",QCoreApplication::translate("main", "Start with hidden log window"));
 parser.addOption(hideLoggerOption);
341

342 343
 QCommandLineOption hideToolboxOption(QStringList() << "t" << "hide-toolbox",QCoreApplication::translate("main", "Start with hidden toolbox"));
 parser.addOption(hideToolboxOption);
344

345 346
 QCommandLineOption noSplashOption("no-splash",QCoreApplication::translate("main", "Hide splash screen"));
 parser.addOption(noSplashOption);
347

348 349
 QCommandLineOption polyMeshOption("p",QCoreApplication::translate("main", "Open files as PolyMeshes"));
 parser.addOption(polyMeshOption);
350

351 352
 QCommandLineOption remotePortOption("remote-port",QCoreApplication::translate("main", "Remote port"),"portnumber");
 parser.addOption(remotePortOption);
353

354 355
 QCommandLineOption coreProfileOption("core-profile",QCoreApplication::translate("main", "OpenGL Core Profile Mode"));
 parser.addOption(coreProfileOption);
356 357 358 359 360 361 362
 
 QCommandLineOption glVersionOption("glVersion",QCoreApplication::translate("main","Request OpenGL version <major>.<minor> "),QCoreApplication::translate("main","< 1.0 | 1.1 | ... | 4.6 >"));
 parser.addOption(glVersionOption);
 
 QCommandLineOption samplesOption("samples",QCoreApplication::translate("main","Overwrite multisampling sample count"),QCoreApplication::translate("main","< 0 | 1 | 2 | ... | 16 >"));
 parser.addOption(samplesOption);
 
363 364 365
 QCommandLineOption glStereoOption("glStereo",QCoreApplication::translate("main","Overwrite OpenGL Stereo setting"),QCoreApplication::translate("main","< true | false >"));
 parser.addOption(glStereoOption);
 
366
 QCommandLineOption profileOption("profile",QCoreApplication::translate("main","Request OpenGL context profile <profile> with profile set as compat or core"),QCoreApplication::translate("main","< compat | core >"));
367
 parser.addOption(profileOption);
368 369
 const QCommandLineOption helpOption = parser.addHelpOption();
 const QCommandLineOption versionOption = parser.addVersionOption();
Dirk Wilden's avatar
Dirk Wilden committed
370 371


372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427
 // Now parse the command line
 if (!parser.parse(QCoreApplication::arguments())) {
   *errorMessage = parser.errorText();
   return CommandLineError;
 }

 if (parser.isSet(helpOption))
   return CommandLineHelpRequested;

 if (parser.isSet(versionOption))
   return CommandLineVersionRequested;

 if (parser.isSet(debugOption)) {
   OpenFlipper::Options::debug(true);
 }

 if (parser.isSet(stereoOption)) {
   OpenFlipper::Options::stereo(false);
 }

 if (parser.isSet(batchOption)) {
   OpenFlipper::Options::nogui(true);
 }

 if (parser.isSet(logConsoleOption)) {
   OpenFlipper::Options::logToConsole(true);
 }

 if (parser.isSet(remoteControlOption)) {
   OpenFlipper::Options::remoteControl(true);
 }

 if (parser.isSet(fulscreenOption)) {
   OpenFlipperSettings().setValue("Core/Gui/fullscreen",true);
 }

 if (parser.isSet(hideLoggerOption)) {
   OpenFlipper::Options::loggerState(OpenFlipper::Options::Hidden);
 }

 if (parser.isSet(hideToolboxOption)) {
   OpenFlipperSettings().setValue("Core/Gui/ToolBoxes/hidden",true);
 }

 if (parser.isSet(noSplashOption)) {
   OpenFlipperSettings().setValue("Core/Gui/splash",false);
 }

 if (parser.isSet(polyMeshOption)) {
   openPolyMeshes = true;
 }

 if (parser.isSet(remotePortOption)) {
   const QString port = parser.value("remote-port");
   std::cerr << "Got port option : " << port.toStdString() << std::endl;
   OpenFlipper::Options::remoteControl(port.toInt());
428
 }
429 430 431 432 433 434 435 436 437 438
 if(parser.isSet("samples"))
   OpenFlipper::Options::samples(parser.value("samples").toInt(),true);
 if(parser.isSet("glVersion"))
 {
   QStringList values = parser.value("glVersion").split(".");
   QPair<int,int> version(
          values[0].toInt(),
          values[1].toInt());
   OpenFlipper::Options::glVersion(version,true);
 }
439 440 441
 
 if(parser.isSet("glStereo"))
   OpenFlipper::Options::glStereo(parser.value("glStereo")=="true");
442

443 444
 if(parser.value(profileOption)=="core")
 {
445
     OpenFlipper::Options::coreProfile(true, true);
446 447 448 449 450
 }
 else
 {
     if(parser.value(profileOption)=="compat")
     {
451
         OpenFlipper::Options::coreProfile(false, true);
452 453
     }
 }
454
 if(parser.isSet(coreProfileOption)) {
455
   OpenFlipper::Options::coreProfile(true, true);
456
 }
457

458
 return CommandLineOk;
Dirk Wilden's avatar
Dirk Wilden committed
459 460
}

461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569

namespace
{

// Print human-readable GL profile strings
std::string profileToString(QSurfaceFormat::OpenGLContextProfile _profile)
{
    if(_profile == QSurfaceFormat::CompatibilityProfile)
        return "CompatibilityProfile";

    if(_profile == QSurfaceFormat::CoreProfile)
        return "CoreProfile";

    if(_profile == QSurfaceFormat::NoProfile)
        return "NoProfile";

    return "[Unknown]";
}

// Check whether a specific context request can be fulfilled
// Can also return the format of the actually created context
bool verifySpecificContextFormat(QSurfaceFormat format, QSurfaceFormat* resultingFormat = nullptr)
{
    // All created surfaces try to obey the given format
    QSurfaceFormat::setDefaultFormat(format);

    // We need a temporary qApp to create a surface and test the current context
    int tempArgC = 0;
    QApplication tempApp(tempArgC, nullptr);
    QOffscreenSurface *surface = new QOffscreenSurface();
    surface->create();

    auto shareContext = QOpenGLContext::globalShareContext();
    if(!shareContext)
    {
        std::cerr << "Error: Apparently no GL context was created!" << std::endl;
        return false;
    }

    // Make the globally shared OpenGLContext current
    shareContext->makeCurrent(surface);

    // The opengl surface properties that have actually been applied
    // (does not necessarily match the requested properties)
    auto resultFormat = QOpenGLContext::globalShareContext()->format();

    // Return the format of the actually created context (may be identical to the requested one)
    if(resultingFormat != nullptr)
        *resultingFormat = resultFormat;

    auto curVersion = resultFormat.version();

    // Human-readable name of requested profile
    auto reqProfileString = profileToString(format.profile());

    // Human-readable name of current profile
    auto curProfileString = profileToString(resultFormat.profile());

    // Check whether the actually applied OpenGL context profile matches the requested one
    // and the current GL version is at least the requested one (but may be higher)
    // If not, print some error to the console
    if(curVersion.first < format.version().first ||
       ((curVersion.first == format.version().first) && (curVersion.second < format.version().second)) ||
       format.profile() != resultFormat.profile())
    {
        std::cout << "[OpenGL context] Requested: "
                  << format.version().first << "." << format.version().second << " (" << reqProfileString << ")"
                  << ", Actually created: "
                  << curVersion.first << "." << curVersion.second << " (" << curProfileString << ")"
                  << std::endl;
        return false;
    }

    std::cout << "[OpenGL context] Successfully created OpenGL context with version " << curVersion.first << "."
              << curVersion.second << " (" << curProfileString << ")." << std::endl;

    return true;
}

// Create a QSurfaceFormat from the most important properties like version and profile
QSurfaceFormat createFormat(QSurfaceFormat::OpenGLContextProfile _profile, int _glMajor, int _glMinor, int _multisamplingSamples, bool _stereo, bool _debugContext)
{
    QSurfaceFormat format;
    format.setVersion(_glMajor, _glMinor);
    format.setProfile(_profile);
    format.setSamples(_multisamplingSamples);
    format.setStereo(_stereo);
    if(_profile != QSurfaceFormat::CoreProfile)
        format.setOption(QSurfaceFormat::DeprecatedFunctions);
    if (_debugContext)
        format.setOption(format.options() | QSurfaceFormat::DebugContext);

    return format;
}

// This method tries to find the best possible OpenGL context format in the following order:
// 1. The profile/format requested via the settings
// 2. A 4.4 compatibility context (should contain all relevant GL functions)
// 3. A 3.2 core context (best choice e.g. on MacOS)
// 4. Return whatever context was applied instead of the requested ones
QSurfaceFormat getContextFormat()
{
    auto reqProfile = OpenFlipper::Options::coreProfile() ? QSurfaceFormat::CoreProfile : QSurfaceFormat::CompatibilityProfile;
    QPair<int,int> reqVersion = OpenFlipper::Options::glVersion();
    auto reqSamples = OpenFlipper::Options::samples();
    auto reqStereo = OpenFlipper::Options::glStereo();
    bool debugContext = OpenFlipper::Options::debug();


570

571
    /*
572
    // Debug: test all (possible and impossible) OpenGL versions and profiles and exit
573 574 575 576 577 578 579 580 581 582
    for(int majo = 1; majo < 5; ++majo)
        for(int mino = 0; mino < 10; ++mino)
    {
        std::cout << "========== " << majo << "." << mino << " ==========="<<std::endl;
        verifySpecificContextFormat(createFormat(QSurfaceFormat::CoreProfile, majo, mino, reqSamples, reqStereo, debugContext));
        verifySpecificContextFormat(createFormat(QSurfaceFormat::CompatibilityProfile, majo, mino, reqSamples, reqStereo, debugContext));
        verifySpecificContextFormat(createFormat(QSurfaceFormat::NoProfile, majo, mino, reqSamples, reqStereo, debugContext));
        std::cout << "================================" << std::endl;
        std::cout << std::endl;
    }
583
    exit(0);
584 585 586
    */


587

588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618
    QSurfaceFormat resultFormat;


    std::cout << "[OpenGL context] Trying to create a " << reqVersion.first << "." << reqVersion.second << " " << profileToString(reqProfile) << " context (default from settings)..." << std::endl;
    bool success = verifySpecificContextFormat(createFormat(reqProfile, reqVersion.first, reqVersion.second, reqSamples, reqStereo, debugContext), &resultFormat);

    // If that did not work...
    if(!success)
    {
        std::cout << "[OpenGL context] Trying to create a 4.4 compat context..." << std::endl;
        success = verifySpecificContextFormat(createFormat(QSurfaceFormat::CompatibilityProfile, 4, 4, reqSamples, reqStereo, debugContext), &resultFormat);
        if(!success)
        {
            std::cout << "[OpenGL context] Trying to create a 3.2 core context..." << std::endl;
            success = verifySpecificContextFormat(createFormat(QSurfaceFormat::CoreProfile, 3, 2, reqSamples, reqStereo, debugContext), &resultFormat);
            if(!success)
            {
                std::cerr << "[OpenGL context] Warning: Could not create any of the requested GL contexts." << std::endl;
                std::cerr << "[OpenGL context] The following context (proposed by the graphics driver) will be created:"  << std::endl;
                std::cerr << "[OpenGL context] Profile: " << profileToString(resultFormat.profile()) << ", Version: "
                          << resultFormat.version().first << "." << resultFormat.version().second << std::endl;
                std::cerr << "[OpenGL context] Please consider setting a supported OpenGL version and profile in the Options dialog." << std::endl;
            }
        }
    }

    return resultFormat;
}

}

Dirk Wilden's avatar
Dirk Wilden committed
619 620
int main(int argc, char **argv)
{
621

622 623
  // Remove -psn_0_xxxxx argument which is automatically
  // attached by MacOSX
Mike Kremer's avatar
 
Mike Kremer committed
624
  for (int i = 0; i < argc; i++) {
625 626 627 628 629
    if(strlen(argv[i]) > 4) {
      if( ( (argv[i])[0] == '-' ) &&
        ( (argv[i])[1] == 'p' ) &&
        ( (argv[i])[2] == 's' ) &&
        ( (argv[i])[3] == 'n' ) ) {
Jan Möbius's avatar
Jan Möbius committed
630 631
        argc--;
        argv[i] = (char *)"";
632 633 634
      }
    }
  }
Jan Möbius's avatar
Jan Möbius committed
635

Dirk Wilden's avatar
Dirk Wilden committed
636 637 638
  OpenFlipper::Options::argc(&argc);
  OpenFlipper::Options::argv(&argv);

639 640 641 642
  // Set organization and application names
  QCoreApplication::setOrganizationName("rwth-aachen.de");
  QCoreApplication::setApplicationName(TOSTRING(PRODUCT_STRING));
  QCoreApplication::setApplicationVersion(OpenFlipper::Options::coreVersion());
Dirk Wilden's avatar
Dirk Wilden committed
643

644 645 646 647
  // initialize a core application to check for commandline parameters
  QCoreApplication* coreApp = new QCoreApplication(argc, argv);

  OpenFlipper::Options::initializeSettings();
648 649 650

  QCommandLineParser parser;
  QString errorMessage;
Dirk Wilden's avatar
Dirk Wilden committed
651

652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675
  // parse command line options
  switch (parseCommandLine(parser, &errorMessage)) {
  case CommandLineOk:
	  break;
  case CommandLineError:
	  fputs(qPrintable(errorMessage), stderr);
	  fputs("\n\n", stderr);
	  fputs(qPrintable(parser.helpText()), stderr);
	  return 1;
  case CommandLineVersionRequested:
	  printf("%s %s\n", qPrintable(QCoreApplication::applicationName()),
		  qPrintable(QCoreApplication::applicationVersion()));
	  return 0;
  case CommandLineHelpRequested:
	  parser.showHelp();
	  Q_UNREACHABLE();
  }

  // only one application is allowed so delete the core application
  // once cmdline parsing is done
  delete coreApp;



676 677 678 679
#ifdef WIN32
  //attach a console if necessary
  attachConsole();
#endif
Dirk Wilden's avatar
Dirk Wilden committed
680

681
#ifndef NO_CATCH_SIGSEGV
Dirk Wilden's avatar
Dirk Wilden committed
682 683
  // Set a handler for segfaults
  std::signal(SIGSEGV, segfaultHandling);
684
#endif
Dirk Wilden's avatar
Dirk Wilden committed
685

Jan Möbius's avatar
Jan Möbius committed
686
  OpenFlipper::Options::windowTitle(TOSTRING(PRODUCT_STRING)" v" + OpenFlipper::Options::coreVersion());
687

Jan Möbius's avatar
 
Jan Möbius committed
688
  if ( !OpenFlipper::Options::nogui() ) {
689

Jan Möbius's avatar
 
Jan Möbius committed
690
    // OpenGL check
691
    QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
Jan Möbius's avatar
 
Jan Möbius committed
692
    QApplication::setColorSpec( QApplication::CustomColor );
693

694 695
    // Try creating a valid OpenGL context
    /******************************/
696

697 698
    // Get a valid context format
    QSurfaceFormat resultFormat = getContextFormat();
699

700 701 702 703 704
    // Set temporary(!) OpenGL settings
    OpenFlipper::Options::samples(resultFormat.samples(), true);
    OpenFlipper::Options::glStereo(resultFormat.stereo(), true);
    OpenFlipper::Options::glVersion(resultFormat.version(), true);
    OpenFlipper::Options::coreProfile(resultFormat.profile() == QSurfaceFormat::CoreProfile, true);
705

706 707
    // Create the actual context
    QSurfaceFormat::setDefaultFormat(resultFormat);
708
    QApplication app(argc, argv);
709 710 711
    QOffscreenSurface *surface = new QOffscreenSurface();
    surface->create();

712
    // Make the globally shared OpenGLContext current
713
    QOpenGLContext::globalShareContext()->makeCurrent(surface);
714
    /******************************/
715 716


717
    // Check whether there is OpenGL support. If not, return.
Jan Möbius's avatar
 
Jan Möbius committed
718 719 720 721
    if ( !QGLFormat::hasOpenGL() ) {
      std::cerr << "This system has no OpenGL support.\n";
      return -1;
    }
722

723
#ifndef __APPLE__
Jan Möbius's avatar
 
Jan Möbius committed
724
    glutInit(&argc,argv);
725
#endif
726

Jan Möbius's avatar
 
Jan Möbius committed
727 728
    // create core ( this also reads the ini files )
    Core * w = new Core( );
729

730
    QString tLang = OpenFlipperSettings().value("Core/Language/Translation","en_US").toString();
731 732 733 734

    if (tLang == "locale")
      tLang = QLocale::system().name();

735 736
    // Install translator for qt internals
    QTranslator qtTranslator;
Jan Möbius's avatar
Jan Möbius committed
737
    qtTranslator.load("qt_" + tLang, QLibraryInfo::location(QLibraryInfo::TranslationsPath));
738 739 740
    app.installTranslator(&qtTranslator);
    
    // install translator for Core Application
Dirk Wilden's avatar
Dirk Wilden committed
741 742 743 744 745 746 747 748 749 750 751 752
    QString translationDir = OpenFlipper::Options::translationsDirStr() + QDir::separator();
    QDir dir(translationDir);
    dir.setFilter(QDir::Files);

    QFileInfoList list = dir.entryInfoList();

    for (int i = 0; i < list.size(); ++i) {
      QFileInfo fileInfo = list.at(i);

      if ( fileInfo.baseName().contains(tLang) ){
        QTranslator* myAppTranslator = new QTranslator();

schultz's avatar
schultz committed
753 754
        if ( myAppTranslator->load( fileInfo.filePath() ) )
        {    
Dirk Wilden's avatar
Dirk Wilden committed
755
          app.installTranslator(myAppTranslator);
schultz's avatar
schultz committed
756 757 758
        } else 
        {
  	        delete myAppTranslator;
Dirk Wilden's avatar
Dirk Wilden committed
759 760 761
        }
      }
     }
Jan's avatar
Jan committed
762 763 764 765

    #ifndef __APPLE__
    initGlew();
    #endif
766 767 768 769

    // After setting all Options from command line, build the real gui
    w->init();

770 771 772 773 774
    const QStringList positionalArguments = parser.positionalArguments();

    for ( auto file: positionalArguments ) {
      w->commandLineOpen(file, openPolyMeshes);
    }
775

Jan Möbius's avatar
 
Jan Möbius committed
776
    return app.exec();
777

Jan Möbius's avatar
 
Jan Möbius committed
778
  } else {
779

Jan Möbius's avatar
 
Jan Möbius committed
780
    QCoreApplication app(argc,argv);
781

Jan Möbius's avatar
 
Jan Möbius committed
782 783
    // create widget ( this also reads the ini files )
    Core * w = new Core( );
784

Jan Möbius's avatar
 
Jan Möbius committed
785 786
    // After setting all Options from command line, build the real gui
    w->init();
787

788 789 790 791 792
    const QStringList positionalArguments = parser.positionalArguments();

    for ( auto file: positionalArguments ) {
      w->commandLineOpen(file, openPolyMeshes);
    }
793

Dirk Wilden's avatar
Dirk Wilden committed
794
    return app.exec();
Jan Möbius's avatar
 
Jan Möbius committed
795 796 797 798
  }

  return 0;
}