Example #1
0
GLWidget::GLWidget(QWidget *parent) :
    QGLWidget(QGLFormat(QGL::SampleBuffers),parent),
          m_camera( new Camera( this ) )
{
    setFocusPolicy(Qt::StrongFocus);
    glEnable(GL_MULTISAMPLE);
    glEnable(GL_STENCIL_FUNC);
    simTimer = new QTimer(this);
    connect(simTimer, SIGNAL(timeout()), this, SLOT(updateGL()));
    simTimer->start(0);

    // Initialize the camera position and orientation
    m_camera->setPosition( QVector3D( 5.0f, 5.0f, 5.0f ) );
    m_camera->setViewCenter( QVector3D( 0.0f, 0.0f, 0.0f ) );
    m_camera->setUpVector( QVector3D( 0.0f, 1.0f, 0.0f ) );

    QGLFormat glFormat;
    glFormat.setVersion( 3, 3 );
    glFormat.setProfile( QGLFormat::CoreProfile ); // Requires >=Qt-4.8.0
    glFormat.setSampleBuffers( true );
    glFormat.setSamples(16);

    this->setFormat(glFormat);

    scene = new Scene(this);
    scene->setCamera(m_camera);
    withshadow = true;
}
Example #2
0
QT_BEGIN_NAMESPACE

/*!
    Returns an OpenGL format for the window format specified by \a format.
*/
QGLFormat QGLFormat::fromSurfaceFormat(const QSurfaceFormat &format)
{
    QGLFormat retFormat;
    if (format.alphaBufferSize() >= 0)
        retFormat.setAlphaBufferSize(format.alphaBufferSize());
    if (format.blueBufferSize() >= 0)
        retFormat.setBlueBufferSize(format.blueBufferSize());
    if (format.greenBufferSize() >= 0)
        retFormat.setGreenBufferSize(format.greenBufferSize());
    if (format.redBufferSize() >= 0)
        retFormat.setRedBufferSize(format.redBufferSize());
    if (format.depthBufferSize() >= 0)
        retFormat.setDepthBufferSize(format.depthBufferSize());
    if (format.samples() > 1) {
        retFormat.setSampleBuffers(format.samples());
        retFormat.setSamples(true);
    }
    if (format.stencilBufferSize() > 0) {
        retFormat.setStencil(true);
        retFormat.setStencilBufferSize(format.stencilBufferSize());
    }
    retFormat.setDoubleBuffer(format.swapBehavior() != QSurfaceFormat::SingleBuffer);
    retFormat.setStereo(format.stereo());
    return retFormat;
}
Example #3
0
const QGLFormat GLFormat::asQGLFormat() const
{
    QGLFormat format;

    format.setVersion(m_majorVersion, m_minorVersion);
    
    switch(m_profile)
    {
    default:
    case NoProfile:
        format.setProfile(QGLFormat::NoProfile); 
        break;
    case CoreProfile:
        format.setProfile(QGLFormat::CoreProfile); 
        break;
    case CompatibilityProfile:
        format.setProfile(QGLFormat::CompatibilityProfile); 
        break;
    };

    format.setRedBufferSize    (m_redBufferSize);
    format.setGreenBufferSize  (m_greenBufferSize);
    format.setBlueBufferSize   (m_blueBufferSize);
    format.setAlphaBufferSize  (m_alphaBufferSize);

    format.setDepthBufferSize  (m_depthBufferSize);
    format.setStencilBufferSize(m_stencilBufferSize);
    format.setDoubleBuffer     (m_doubleBuffer);
    format.setStereo           (m_stereo);
    format.setSampleBuffers    (m_sampleBuffers);
    format.setSamples          (m_samples);
    format.setSwapInterval     (m_swapInterval);

    return format;
}
Example #4
0
MainWindow::MainWindow(QWidget *parent) :
  QMainWindow(parent),
  m_ui(new Ui::MainWindow)
{
  m_ui->setupUi(this);

  QGLFormat format;
  // set the number of samples for multisampling
  // will need to enable glEnable(GL_MULTISAMPLE); once we have a context
  format.setSamples(4);
  #if defined( DARWIN)
    // at present mac osx Mountain Lion only supports GL3.2
    // the new mavericks will have GL 4.x so can change
    format.setVersion(3,2);
  #else
    // with luck we have the latest GL version so set to this
    format.setVersion(4,5);
  #endif
  // now we are going to set to CoreProfile OpenGL so we can't use and old Immediate mode GL
  format.setProfile(QGLFormat::CoreProfile);
  // now set the depth buffer to 24 bits
  format.setDepthBufferSize(24);

  m_gl=new GLWindow(format, this);
  m_ui->s_mainWindowGridLayout->addWidget(m_gl,0,0,2,1);

  connect(m_ui->m_wireframe,SIGNAL(toggled(bool)),m_gl,SLOT(toggleWireframe(bool)));

}
Example #5
0
QT_BEGIN_NAMESPACE

QGLFormat QGLFormat::fromPlatformWindowFormat(const QPlatformWindowFormat &format)
{
    QGLFormat retFormat;
    retFormat.setAccum(format.accum());
    if (format.accumBufferSize() >= 0)
        retFormat.setAccumBufferSize(format.accumBufferSize());
    retFormat.setAlpha(format.alpha());
    if (format.alphaBufferSize() >= 0)
        retFormat.setAlphaBufferSize(format.alphaBufferSize());
    if (format.blueBufferSize() >= 0)
        retFormat.setBlueBufferSize(format.blueBufferSize());
    retFormat.setDepth(format.depth());
    if (format.depthBufferSize() >= 0)
        retFormat.setDepthBufferSize(format.depthBufferSize());
    retFormat.setDirectRendering(format.directRendering());
    retFormat.setDoubleBuffer(format.doubleBuffer());
    if (format.greenBufferSize() >= 0)
        retFormat.setGreenBufferSize(format.greenBufferSize());
    if (format.redBufferSize() >= 0)
        retFormat.setRedBufferSize(format.redBufferSize());
    retFormat.setRgba(format.rgba());
    retFormat.setSampleBuffers(format.sampleBuffers());
    retFormat.setSamples(format.sampleBuffers());
    retFormat.setStencil(format.stencil());
    if (format.stencilBufferSize() >= 0)
        retFormat.setStencilBufferSize(format.stencilBufferSize());
    retFormat.setStereo(format.stereo());
    retFormat.setSwapInterval(format.swapInterval());
    return retFormat;
}
Example #6
0
int main(int argc, char **argv)
{
  if (argc < 3) {
    fprintf(stderr, "Usage: %s <dataname> <ts> <tl>\n", argv[0]);
    return EXIT_FAILURE;
  }
  
  const std::string dataname = argv[1];
  const int ts = atoi(argv[2]), 
            tl = atoi(argv[3]), 
            span = 1;

  QApplication app(argc, argv); 

  QGLFormat fmt = QGLFormat::defaultFormat();
  fmt.setSampleBuffers(true);
  fmt.setSamples(16); 
  QGLFormat::setDefaultFormat(fmt); 
  
  VortexTransition vt;
  vt.LoadFromFile(dataname, ts, tl);
  vt.ConstructSequence();

  CStorylineWidget *widget = new CStorylineWidget;
  widget->SetVortexTrasition(&vt);
  widget->show();

  return app.exec(); 
}
Example #7
0
int main(int argc, char *argv[])
{
	QApplication a(argc, argv);
	
	QGLFormat glf = QGLFormat::defaultFormat();
	glf.setSampleBuffers(true);
	glf.setSamples(16);
	QGLFormat::setDefaultFormat(glf);
	
	a.setStyle("windowsxp");
	std::wstring arg = L"";
	#ifdef _WIN32
		LPWSTR wideArgText = GetCommandLineW();
		int wArgc;
		LPWSTR *wideArgs = CommandLineToArgvW(wideArgText, &wArgc);
		if (wArgc == 2) {
			arg = wideArgs[1];
		}
	#endif
	MainWindow *w = new MainWindow(arg);
	w->show();
	
	int exec = a.exec();
	delete w;
	#ifdef _WIN32
		LocalFree(wideArgs);
	#endif
	return exec;
}
Example #8
0
void *
figure::f_main_loop(void) {

	QApplication * _pc_app;
	int i_argc = 1;
	char * ppc_argv[2] = { (char*) "toto", (char*) "ttut" };
	cout << "Creating app " << pthread_self() << endl;
	figure_app c_app(i_argc, ppc_argv);

#if 1
	QGLFormat glf = QGLFormat::defaultFormat();
	glf.setSampleBuffers(true);
	glf.setSamples(4);
	QGLFormat::setDefaultFormat(glf);
#endif

	c_app.f_new_window(_pc_core);
	//cout << "core: " <<_pc_core << endl;
	//glplot::window *_pc_win = new glplot::window(_pc_core);

	/* Affichage de notre premiere fenêtre de rendu OpenGL */
	//_pc_win->show();

	/* Registring application pointer */
	_pv_app = &c_app;
	/* Running QT Main LOOP */
	c_app.exec();
}
Example #9
0
//! [0]
GLWidgetShader::GLWidgetShader(QWidget *parent)
    : QGLWidget(QGLFormat(QGL::SampleBuffers), parent)
{
    glEnable(GL_MULTISAMPLE);

    // Important to enable the shaders
    QGLFormat rgbaformat;
    rgbaformat.setRgba(true);
    rgbaformat.setSampleBuffers(true);
    rgbaformat.setDoubleBuffer(true);
    rgbaformat.setSamples(4);
    rgbaformat.setOverlay(0);
    this->setFormat(rgbaformat);
    this->makeCurrent();
    // Very important
    this->setAutoFillBackground(false);

    QTimer *timer = new QTimer(this);
    timer->start(15);
    timer->setInterval(15);
    QObject::connect(timer,SIGNAL(timeout()),this,SLOT(repaint()));

    this->isDrawing=false;
    qglClearColor(Qt::white);
    this->nVertices = 0;
}
Example #10
0
void SkGLWidget::setSampleCount(int sampleCount)
{
    QGLFormat currentFormat = format();
    currentFormat.setSampleBuffers(sampleCount > 0);
    currentFormat.setSamples(sampleCount);
    setFormat(currentFormat);
}
Example #11
0
int main(int argc, char **argv)
{
  std::string filename_vortex, filename_trace; 
  
  if (argc == 1) {
    fprintf(stderr, "Usage: %s <vortex_file> [trace_file]\n", argv[0]); 
    return EXIT_FAILURE;
  } 
  if (argc >= 2) filename_vortex = argv[1];
  if (argc >= 3) filename_trace = argv[2]; 

  QApplication app(argc, argv); 
  // glutInit(&argc, argv);

  QGLFormat fmt = QGLFormat::defaultFormat();
  fmt.setSampleBuffers(true);
  fmt.setSamples(16); 
  QGLFormat::setDefaultFormat(fmt); 

  CGLWidget *widget = new CGLWidget;
  widget->show(); 
  widget->LoadVortexLines(filename_vortex); 
  // widget->LoadVortexOjbectsFromTextFile(filename_vortex); 
  widget->LoadFieldLines(filename_trace);

  return app.exec(); 
}
Example #12
0
bool wzMainScreenSetup(int antialiasing, bool fullscreen, bool vsync, bool highDPI)
{
	debug(LOG_MAIN, "Qt initialization");
	//QGL::setPreferredPaintEngine(QPaintEngine::OpenGL); // Workaround for incorrect text rendering on many platforms, doesn't exist in Qt5…

	// Register custom WZ app event type
	wzAppQEventType = QEvent::registerEventType();

	// Setting up OpenGL
	QGLFormat format;
	format.setDoubleBuffer(true);
	//format.setAlpha(true);
	int w = pie_GetVideoBufferWidth();
	int h = pie_GetVideoBufferHeight();

	if (antialiasing)
	{
		format.setSampleBuffers(true);
		format.setSamples(antialiasing);
	}
	mainWindowPtr = new WzMainWindow(QSize(w, h), format, wzAppQEventType.load());
	WzMainWindow &mainwindow = *(mainWindowPtr.load());
	mainwindow.setMinimumResolution(QSize(800, 600));
	if (!mainwindow.context()->isValid())
	{
		QMessageBox::critical(nullptr, "Oops!", "Warzone2100 failed to create an OpenGL context. This probably means that your graphics drivers are out of date. Try updating them!");
		return false;
	}

	screenWidth = w;
	screenHeight = h;
	if (fullscreen)
	{
		mainwindow.resize(w, h);
		mainwindow.showFullScreen();
		if (w > mainwindow.width())
		{
			w = mainwindow.width();
		}
		if (h > mainwindow.height())
		{
			h = mainwindow.height();
		}
		pie_SetVideoBufferWidth(w);
		pie_SetVideoBufferHeight(h);
	}
	else
	{
		mainwindow.show();
		mainwindow.setMinimumSize(w, h);
		mainwindow.setMaximumSize(w, h);
	}

	mainwindow.setSwapInterval(vsync);
	mainwindow.setReadyToPaint();

	return true;
}
Example #13
0
Viewer::Viewer(QWidget* parent)
  : QGLViewer(CGAL::Qt::createOpenGLContext(),parent), wireframe(false), flatShading(true),
    edges(true), vertices(true), m_displayListCreated(false)
{
  QGLFormat newFormat = this->format();
  newFormat.setSampleBuffers(true);
  newFormat.setSamples(16);
  this->setFormat(newFormat);
   are_buffers_initialized = false;
}
Example #14
0
bool wzMain2()
{
	debug(LOG_MAIN, "Qt initialization");
	QGL::setPreferredPaintEngine(QPaintEngine::OpenGL); // Workaround for incorrect text rendering on nany platforms.

	// Setting up OpenGL
	QGLFormat format;
	format.setDoubleBuffer(true);
	format.setAlpha(true);
	int w = pie_GetVideoBufferWidth();
	int h = pie_GetVideoBufferHeight();

	if (war_getFSAA())
	{
		format.setSampleBuffers(true);
		format.setSamples(war_getFSAA());
	}
	mainWindowPtr = new WzMainWindow(QSize(w, h), format);
	WzMainWindow &mainwindow = *mainWindowPtr;
	mainwindow.setMinimumResolution(QSize(800, 600));
	if (!mainwindow.context()->isValid())
	{
		QMessageBox::critical(NULL, "Oops!", "Warzone2100 failed to create an OpenGL context. This probably means that your graphics drivers are out of date. Try updating them!");
		return false;
	}

	screenWidth = w;
	screenHeight = h;
	if (war_getFullscreen())
	{
		mainwindow.resize(w,h);
		mainwindow.showFullScreen();
		if(w>mainwindow.width()) {
			w = mainwindow.width();
		}
		if(h>mainwindow.height()) {
			h = mainwindow.height();
		}
		pie_SetVideoBufferWidth(w);
		pie_SetVideoBufferHeight(h);
	}
	else
	{
		mainwindow.show();
		mainwindow.setMinimumSize(w, h);
		mainwindow.setMaximumSize(w, h);
	}

	mainwindow.setSwapInterval(war_GetVsync());
	war_SetVsync(mainwindow.swapInterval() > 0);

	mainwindow.setReadyToPaint();

	return true;
}
Example #15
0
int main(int argc, char *argv[])
{
	//Eigen::initParallel();
	QApplication a(argc, argv);
	QGLFormat glf = QGLFormat::defaultFormat();
    glf.setSampleBuffers(true);
    glf.setSamples(16);
    QGLFormat::setDefaultFormat(glf);
	BVHApp w;
	w.show();
	return a.exec();
}
Example #16
0
glViewer::glViewer(QWidget *parent, int Width, int Height):QGLWidget(parent)
{
    QGLFormat format;
    format.setDoubleBuffer(true);
    format.setSampleBuffers(true);
    format.setSamples(32);
    format.setDirectRendering(true);
    setFormat(format);
    //glEnable();
    //setAutoFillBackground(true);
    setFixedSize(Width, Height);
    move(0,0);
}
Example #17
0
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QGLFormat glf = QGLFormat::defaultFormat();
    glf.setSampleBuffers(true);
    glf.setSamples(4);
    QGLFormat::setDefaultFormat(glf);
    QFile file("://style.css");
    file.open(QIODevice::ReadOnly);
    a.setStyleSheet(file.readAll());
    MainWidget w;
    w.show();
    
    return a.exec();
}
Example #18
0
int main(int argc, char *argv[])
{
	//add a bootstrap config file

	//multisampling
	QGLFormat fmt;
	fmt.setSampleBuffers(true);
	fmt.setSamples(16);
	QGLFormat::setDefaultFormat(fmt);

	QApplication a(argc, argv);
	MyProject w;
	w.show();
	a.connect(&a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()));
	return a.exec();
}
Example #19
0
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QGLFormat glf = QGLFormat::defaultFormat();
    glf.setSampleBuffers(true);
    glf.setSamples(4);
    QGLFormat::setDefaultFormat(glf);

//    QStyle *arthurStyle = new ArthurStyle();

    MainWindow mainWin;
  //  mainWin.setStyle(arthurStyle);    
    mainWin.show();
    return app.exec();

}
Example #20
0
/* this code runs the basic main window and is created by the Qt Creator app */
int main(int argc, char *argv[])
{
  // make an instance of the QApplication  
  QApplication a(argc, argv);

  QGLFormat glf = QGLFormat::defaultFormat();
  glf.setSampleBuffers(true);
  glf.setSamples(4);
  QGLFormat::setDefaultFormat(glf);
  // Create a new MainWindow

  MainWindow w;
  // show it
  w.show();
  // hand control over to Qt framework
  return a.exec();
}
Example #21
0
int main(int argc, char *argv[])
{
    QApplication::setColorSpec( QApplication::CustomColor );
    QApplication app(argc, argv);
    app.setWindowIcon(QIcon("icon.png"));

    ///*
    QGLFormat glf = QGLFormat::defaultFormat();
    glf.setSampleBuffers(true);
    glf.setSamples(4);
    QGLFormat::setDefaultFormat(glf);
    //*/

    MainWindow mainwin;
    mainwin.show();

    return app.exec();
}
Example #22
0
GRenderWindow::GRenderWindow(QWidget* parent) : QWidget(parent), emu_thread(this)
{
    // TODO: One of these flags might be interesting: WA_OpaquePaintEvent, WA_NoBackground, WA_DontShowOnScreen, WA_DeleteOnClose
    QGLFormat fmt;
    fmt.setProfile(QGLFormat::CoreProfile);
    fmt.setVersion(3,2);
    fmt.setSampleBuffers(true);
    fmt.setSamples(4);
    
    child = new GGLWidgetInternal(fmt, this);
    QBoxLayout* layout = new QHBoxLayout(this);
    resize(VideoCore::kScreenTopWidth, VideoCore::kScreenTopHeight + VideoCore::kScreenBottomHeight);
    layout->addWidget(child);
    layout->setMargin(0);
    setLayout(layout);

    BackupGeometry();
}
Example #23
0
int main(int argc, char** argv)
{
#if !defined USE_SWRAST
    QGLFormat fmt;
    fmt.setSampleBuffers(true);
    fmt.setSamples(16); // 2, 4, 8, 16
    QGLFormat::setDefaultFormat(fmt);
#endif

    QApplication app(argc, argv);
#if defined USE_FORCE_GL
    app.setAttribute(Qt::AA_UseDesktopOpenGL);
#endif
    MainWindow w;  // главное окно
    w.show();
    if(!w.fr->isActiveWindow())
        w.fr->activateWindow();
    return app.exec();
}
Example #24
0
int main(int argc, char *argv[])
{
	QApplication a(argc, argv);

	DEFAULT_FILE_PATH = "";

	// Anti-aliasing
	QGLFormat glf = QGLFormat::defaultFormat();
	glf.setSamples(8);
	QGLFormat::setDefaultFormat(glf);

	// Create main window
	Workspace w;
	w.move(QApplication::desktop()->availableGeometry().center() - w.rect().center());
	w.show();
	w.addNewScene();

	return a.exec();
}
Example #25
0
Viewer::Viewer(QWidget *parent) : QGLWidget(parent), isReady(false)
{
    // Anti-aliasing when using QGLWidget or subclasses
    if( false )
    {
        QGLFormat glf = QGLFormat::defaultFormat();
        glf.setSamples(8);
        this->setFormat(glf);
    }

    // Rotate
    if( true )
    {
        timer = new QTimer();
        QObject::connect(timer, &QTimer::timeout, [=]() {t += 0.01;this->update(); emit( viewChanged() );});
        //timer->start(200);
    }

    xRot = yRot = zRot = 0;
}
Example #26
0
void ConfigManager::Initialize() {
    QGLFormat glf = QGLFormat::defaultFormat();
    glf.setRedBufferSize(8);
    glf.setGreenBufferSize(8);
    glf.setBlueBufferSize(8);
    glf.setAlphaBufferSize(8);
    glf.setSampleBuffers(true);
    glf.setSamples(8);
    glf.setDepth(true);
    glf.setDepthBufferSize(24);
    glf.setVersion(3, 3);
    glf.setProfile(QGLFormat::CompatibilityProfile);
    glf.setSwapInterval(1);
    QGLFormat::setDefaultFormat(glf);

    input_state_ = InputState::SELECT;
    snap_to_grid_ = true;
    grid_minor_color_ = QColor(175, 175, 175);
    grid_major_color_ = QColor(75, 75, 75);
}
Example #27
0
      QGLFormat core_format () {
        QGLFormat f (QGL::DoubleBuffer | QGL::DepthBuffer | QGL::Rgba);
        int swap_interval = MR::File::Config::get_int ("VSync", 0);
        f.setSwapInterval (swap_interval);
        bool need_core_profile = 
#ifdef MRTRIX_MACOSX
        true;
#else
        false;
#endif
        if (File::Config::get_bool ("NeedOpenGLCoreProfile", need_core_profile)) {
          f.setVersion (3,3);
          f.setProfile (QGLFormat::CoreProfile);
        }
        int nsamples = File::Config::get_int ("MSAA", 0);
        if (nsamples > 1) {
          f.setSampleBuffers (true);
          f.setSamples (nsamples);
        }
        return f;
      }
Example #28
0
// Updates "format" with the parameters of the selected configuration.
void qt_glformat_from_eglconfig(QGLFormat& format, const EGLConfig config)
{
    EGLint redSize     = 0;
    EGLint greenSize   = 0;
    EGLint blueSize    = 0;
    EGLint alphaSize   = 0;
    EGLint depthSize   = 0;
    EGLint stencilSize = 0;
    EGLint sampleCount = 0;
    EGLint level       = 0;

    EGLDisplay display = QEgl::display();
    eglGetConfigAttrib(display, config, EGL_RED_SIZE,     &redSize);
    eglGetConfigAttrib(display, config, EGL_GREEN_SIZE,   &greenSize);
    eglGetConfigAttrib(display, config, EGL_BLUE_SIZE,    &blueSize);
    eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE,   &alphaSize);
    eglGetConfigAttrib(display, config, EGL_DEPTH_SIZE,   &depthSize);
    eglGetConfigAttrib(display, config, EGL_STENCIL_SIZE, &stencilSize);
    eglGetConfigAttrib(display, config, EGL_SAMPLES,      &sampleCount);
    eglGetConfigAttrib(display, config, EGL_LEVEL,        &level);

    format.setRedBufferSize(redSize);
    format.setGreenBufferSize(greenSize);
    format.setBlueBufferSize(blueSize);
    format.setAlphaBufferSize(alphaSize);
    format.setDepthBufferSize(depthSize);
    format.setStencilBufferSize(stencilSize);
    format.setSamples(sampleCount);
    format.setPlane(level);
    format.setDirectRendering(true); // All EGL contexts are direct-rendered
    format.setRgba(true);            // EGL doesn't support colour index rendering
    format.setStereo(false);         // EGL doesn't support stereo buffers
    format.setAccumBufferSize(0);    // EGL doesn't support accululation buffers
    format.setDoubleBuffer(true);    // We don't support single buffered EGL contexts

    // Clear the EGL error state because some of the above may
    // have errored out because the attribute is not applicable
    // to the surface type.  Such errors don't matter.
    eglGetError();
}
Example #29
0
GLView * GLView::create( NifSkope * window )
{
	QGLFormat fmt;
	static QList<QPointer<GLView> > views;

	QGLWidget * share = nullptr;
	for ( const QPointer<GLView>& v : views ) {
		if ( v )
			share = v;
	}

	// All new windows after the first window will share a format
	if ( share ) {
		fmt = share->format();
	} else {
		fmt.setSampleBuffers( Options::antialias() );
	}
	
	// OpenGL version
	fmt.setVersion( 2, 1 );
	// Ignored if version < 3.2
	//fmt.setProfile(QGLFormat::CoreProfile);

	// V-Sync
	fmt.setSwapInterval( 1 );
	fmt.setDoubleBuffer( true );

	fmt.setSamples( Options::antialias() ? 16 : 0 );

	fmt.setDirectRendering( true );
	fmt.setRgba( true );

	views.append( QPointer<GLView>( new GLView( fmt, window, share ) ) );

	return views.last();
}
Example #30
0
QGLGraphicsSystem::QGLGraphicsSystem(bool useX11GL)
    : QGraphicsSystem(), m_useX11GL(useX11GL)
{
#if defined(Q_WS_X11) && !defined(QT_OPENGL_ES)
    // only override the system defaults if the user hasn't already
    // picked a visual
    if (X11->visual == 0 && X11->visual_id == -1 && X11->visual_class == -1) {
        // find a double buffered, RGBA visual that supports OpenGL
        // and set that as the default visual for windows in Qt
        int i = 0;
        int spec[16];
        spec[i++] = GLX_RGBA;
        spec[i++] = GLX_DOUBLEBUFFER;

        if (!qgetenv("QT_GL_SWAPBUFFER_PRESERVE").isNull()) {
            spec[i++] = GLX_DEPTH_SIZE;
            spec[i++] = 8;
            spec[i++] = GLX_STENCIL_SIZE;
            spec[i++] = 8;
            spec[i++] = GLX_SAMPLE_BUFFERS_ARB;
            spec[i++] = 1;
            spec[i++] = GLX_SAMPLES_ARB;
            spec[i++] = 4;
        }

        spec[i++] = XNone;

        XVisualInfo *vi = glXChooseVisual(X11->display, X11->defaultScreen, spec);
        if (vi) {
            X11->visual_id = vi->visualid;
            X11->visual_class = vi->c_class;

            QGLFormat format;
            int res;
            glXGetConfig(X11->display, vi, GLX_LEVEL, &res);
            format.setPlane(res);
            glXGetConfig(X11->display, vi, GLX_DOUBLEBUFFER, &res);
            format.setDoubleBuffer(res);
            glXGetConfig(X11->display, vi, GLX_DEPTH_SIZE, &res);
            format.setDepth(res);
            if (format.depth())
                format.setDepthBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_RGBA, &res);
            format.setRgba(res);
            glXGetConfig(X11->display, vi, GLX_RED_SIZE, &res);
            format.setRedBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_GREEN_SIZE, &res);
            format.setGreenBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_BLUE_SIZE, &res);
            format.setBlueBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_ALPHA_SIZE, &res);
            format.setAlpha(res);
            if (format.alpha())
                format.setAlphaBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_ACCUM_RED_SIZE, &res);
            format.setAccum(res);
            if (format.accum())
                format.setAccumBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_STENCIL_SIZE, &res);
            format.setStencil(res);
            if (format.stencil())
                format.setStencilBufferSize(res);
            glXGetConfig(X11->display, vi, GLX_STEREO, &res);
            format.setStereo(res);
            glXGetConfig(X11->display, vi, GLX_SAMPLE_BUFFERS_ARB, &res);
            format.setSampleBuffers(res);
            if (format.sampleBuffers()) {
                glXGetConfig(X11->display, vi, GLX_SAMPLES_ARB, &res);
                format.setSamples(res);
            }

            QGLWindowSurface::surfaceFormat = format;
            XFree(vi);

            printf("using visual class %x, id %x\n", X11->visual_class, X11->visual_id);
        }
    }
#elif defined(Q_WS_WIN)
    QGLWindowSurface::surfaceFormat.setDoubleBuffer(true);

    qt_win_owndc_required = true;
#endif
}