Ejemplos de QGLWidget::depth en C++ (Cpp)

Ejemplo n.º 1

void Colors::detectSystemResources()
{
#ifndef QT_NO_OPENGL
    if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0)
        Colors::glVersion = "2.0 or higher";
    else if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_5)
        Colors::glVersion = "1.5";
    else if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_4)
        Colors::glVersion = "1.4";
    else if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_3)
        Colors::glVersion = "1.3 or lower";
    if (Colors::verbose)
        qDebug() << "- OpenGL version:" << Colors::glVersion;

    QGLWidget glw;
    if (!QGLFormat::hasOpenGL()
        || !glw.format().directRendering()
        || !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_5)
        || glw.depth() < 24
    )
#else
    if (Colors::verbose)
        qDebug() << "- OpenGL not supported by current build of Qt";
#endif
    {
        Colors::openGlAwailable = false;
        if (Colors::verbose)
            qDebug("- OpenGL not recommended on this system");
    }

#if defined(Q_WS_WIN)
    Colors::direct3dAwailable = false; // for now.
#endif

#if defined(Q_WS_X11)
    // check if X render is present:
    QPixmap tmp(1, 1);
    if (!tmp.x11PictureHandle() && tmp.paintEngine()->type() == QPaintEngine::X11){
        Colors::xRenderPresent = false;
        if (Colors::verbose)
            qDebug("- X render not present");
    }

#endif

    QWidget w;
    if (Colors::verbose)
        qDebug() << "- Color depth: " << QString::number(w.depth());
}