当前位置: 首页>>代码示例>>C++>>正文


C++ QSurfaceFormat::renderableType方法代码示例

本文整理汇总了C++中QSurfaceFormat::renderableType方法的典型用法代码示例。如果您正苦于以下问题:C++ QSurfaceFormat::renderableType方法的具体用法?C++ QSurfaceFormat::renderableType怎么用?C++ QSurfaceFormat::renderableType使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QSurfaceFormat的用法示例。


在下文中一共展示了QSurfaceFormat::renderableType方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: q_glFormatFromConfig

QSurfaceFormat q_glFormatFromConfig(EGLDisplay display, const EGLConfig config, const QSurfaceFormat &referenceFormat)
{
    QSurfaceFormat format;
    EGLint redSize     = 0;
    EGLint greenSize   = 0;
    EGLint blueSize    = 0;
    EGLint alphaSize   = 0;
    EGLint depthSize   = 0;
    EGLint stencilSize = 0;
    EGLint sampleCount = 0;
    EGLint renderableType = 0;

    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_RENDERABLE_TYPE, &renderableType);

    if (referenceFormat.renderableType() == QSurfaceFormat::OpenVG && (renderableType & EGL_OPENVG_BIT))
        format.setRenderableType(QSurfaceFormat::OpenVG);
#ifdef EGL_VERSION_1_4
    else if (referenceFormat.renderableType() == QSurfaceFormat::OpenGL
             && (renderableType & EGL_OPENGL_BIT))
        format.setRenderableType(QSurfaceFormat::OpenGL);
    else if (referenceFormat.renderableType() == QSurfaceFormat::DefaultRenderableType
#ifndef QT_NO_OPENGL
             && QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL
#endif
             && (renderableType & EGL_OPENGL_BIT))
        format.setRenderableType(QSurfaceFormat::OpenGL);
#endif
    else
        format.setRenderableType(QSurfaceFormat::OpenGLES);

    format.setRedBufferSize(redSize);
    format.setGreenBufferSize(greenSize);
    format.setBlueBufferSize(blueSize);
    format.setAlphaBufferSize(alphaSize);
    format.setDepthBufferSize(depthSize);
    format.setStencilBufferSize(stencilSize);
    format.setSamples(sampleCount);
    format.setStereo(false);         // EGL doesn't support stereo buffers
    format.setSwapInterval(referenceFormat.swapInterval());

    // 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();

    return format;
}
开发者ID:James-intern,项目名称:Qt,代码行数:54,代码来源:qeglconvenience.cpp

示例2: printFormat

void Widget::printFormat(const QSurfaceFormat &format)
{
    m_output->append(tr("OpenGL version: %1.%2").arg(format.majorVersion()).arg(format.minorVersion()));

    for (size_t i = 0; i < sizeof(profiles) / sizeof(Profile); ++i)
        if (profiles[i].profile == format.profile()) {
            m_output->append(tr("Profile: %1").arg(QString::fromLatin1(profiles[i].str)));
            break;
        }

    QString opts;
    for (size_t i = 0; i < sizeof(options) / sizeof(Option); ++i)
        if (format.testOption(options[i].option))
            opts += QString::fromLatin1(options[i].str) + QLatin1Char(' ');
    m_output->append(tr("Options: %1").arg(opts));

    for (size_t i = 0; i < sizeof(renderables) / sizeof(Renderable); ++i)
        if (renderables[i].renderable == format.renderableType()) {
            m_output->append(tr("Renderable type: %1").arg(QString::fromLatin1(renderables[i].str)));
            break;
        }

    m_output->append(tr("Depth buffer size: %1").arg(QString::number(format.depthBufferSize())));
    m_output->append(tr("Stencil buffer size: %1").arg(QString::number(format.stencilBufferSize())));
    m_output->append(tr("Samples: %1").arg(QString::number(format.samples())));
    m_output->append(tr("Red buffer size: %1").arg(QString::number(format.redBufferSize())));
    m_output->append(tr("Green buffer size: %1").arg(QString::number(format.greenBufferSize())));
    m_output->append(tr("Blue buffer size: %1").arg(QString::number(format.blueBufferSize())));
    m_output->append(tr("Alpha buffer size: %1").arg(QString::number(format.alphaBufferSize())));
    m_output->append(tr("Swap interval: %1").arg(QString::number(format.swapInterval())));
}
开发者ID:RSATom,项目名称:Qt,代码行数:31,代码来源:widget.cpp

示例3: qMakePair

bool QOpenGLFunctions_ES2::isContextCompatible(QOpenGLContext *context)
{
    Q_ASSERT(context);
    QSurfaceFormat f = context->format();
    const QPair<int, int> v = qMakePair(f.majorVersion(), f.minorVersion());
    if (v < qMakePair(2, 0))
        return false;
    if (f.renderableType() != QSurfaceFormat::OpenGLES)
        return false;

    return true;
}
开发者ID:AlexSoehn,项目名称:qt-base-deb,代码行数:12,代码来源:qopenglfunctions_es2.cpp

示例4: testProperties

void tst_QQuickOpenGLInfo::testProperties()
{
    QQuickView view;
    view.setSource(testFileUrl("basic.qml"));

    view.show();
    QVERIFY(QTest::qWaitForWindowExposed(&view));

    QSignalSpy spy(&view, SIGNAL(sceneGraphInitialized()));
    spy.wait();

    QVERIFY(view.openglContext());
    QSurfaceFormat format = view.openglContext()->format();

    QObject* obj = view.rootObject();
    QVERIFY(obj);
    QCOMPARE(obj->property("majorVersion").toInt(), format.majorVersion());
    QCOMPARE(obj->property("minorVersion").toInt(), format.minorVersion());
    QCOMPARE(obj->property("profile").toInt(), static_cast<int>(format.profile()));
    QCOMPARE(obj->property("renderableType").toInt(), static_cast<int>(format.renderableType()));
}
开发者ID:2gis,项目名称:2gisqt5android,代码行数:21,代码来源:tst_qquickopenglinfo.cpp

示例5: displayString


//.........这里部分代码省略.........
  }

  if (value.userType() == qMetaTypeId<QPainterPath>()) {
    const QPainterPath path = value.value<QPainterPath>();
    if (path.isEmpty()) {
      return QObject::tr("<empty>");
    }
    return QObject::tr("<%1 elements>").arg(path.elementCount());
  }

  if (value.userType() == qMetaTypeId<QMargins>()) {
    const QMargins margins = value.value<QMargins>();
    return QObject::tr("left: %1, top: %2, right: %3, bottom: %4")
       .arg(margins.left()).arg(margins.top())
       .arg(margins.right()).arg(margins.bottom());
  }

  if (value.canConvert<QObject*>()) {
    return Util::displayString(value.value<QObject*>());
  }

#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
  if (value.userType() == qMetaTypeId<QSet<QByteArray> >()) {
    const QSet<QByteArray> set = value.value<QSet<QByteArray> >();
    QStringList l;
    foreach (const QByteArray &b, set)
      l.push_back(QString::fromUtf8(b));
    return l.join(", ");
  }

  if (value.userType() == qMetaTypeId<QSurfaceFormat>()) {
    const QSurfaceFormat format = value.value<QSurfaceFormat>();
    QString s;
    switch (format.renderableType()) {
      case QSurfaceFormat::DefaultRenderableType: s += "Default"; break;
      case QSurfaceFormat::OpenGL: s += "OpenGL"; break;
      case QSurfaceFormat::OpenGLES: s += "OpenGL ES"; break;
      case QSurfaceFormat::OpenVG: s += "OpenVG"; break;
    }

    s += " (" + QString::number(format.majorVersion()) + "." + QString::number(format.minorVersion());
    switch (format.profile()) {
      case QSurfaceFormat::CoreProfile: s += " core"; break;
      case QSurfaceFormat::CompatibilityProfile: s += " compat"; break;
      case QSurfaceFormat::NoProfile: break;
    }
    s += ")";

    s += " RGBA: " + QString::number(format.redBufferSize()) + "/" + QString::number(format.greenBufferSize())
      + "/" + QString::number(format.blueBufferSize()) + "/" + QString::number(format.alphaBufferSize());

    s += " Depth: " + QString::number(format.depthBufferSize());
    s += " Stencil: " + QString::number(format.stencilBufferSize());

    s += " Buffer: ";
    switch (format.swapBehavior()) {
      case QSurfaceFormat::DefaultSwapBehavior: s += "default"; break;
      case QSurfaceFormat::SingleBuffer: s += "single"; break;
      case QSurfaceFormat::DoubleBuffer: s += "double"; break;
      case QSurfaceFormat::TripleBuffer: s += "triple"; break;
      default: s += "unknown";
    }

    return s;
  }
开发者ID:bschuste,项目名称:GammaRay,代码行数:66,代码来源:varianthandler.cpp

示例6: doRendering

void HsQMLCanvasBackEnd::doRendering()
{
    if (!mGL) {
        mGL = mWindow->openglContext();
        QObject::connect(
            mGL, SIGNAL(aboutToBeDestroyed()), this, SLOT(doCleanup()));
        HsQMLGLCanvasType ctype;
        QSurfaceFormat format = mGL->format();
        switch (format.renderableType()) {
            case QSurfaceFormat::OpenGL: ctype = HSQML_GL_DESKTOP; break;
            case QSurfaceFormat::OpenGLES: ctype = HSQML_GL_ES; break;
            default: setStatus(HsQMLCanvas::BadConfig); return;
        }
        mGLViewportFn = reinterpret_cast<GLViewportFn>(
            mGL->getProcAddress("glViewport"));
        mGLClearColorFn = reinterpret_cast<GLClearColorFn>(
            mGL->getProcAddress("glClearColor"));
        mGLClearFn = reinterpret_cast<GLClearFn>(
            mGL->getProcAddress("glClear"));
        if (!mGLViewportFn || !mGLClearColorFn || !mGLClearFn) {
            setStatus(HsQMLCanvas::BadProcs);
            return;
        }
        mGLCallbacks->mSetupCb(
            ctype, format.majorVersion(), format.minorVersion());
    }

    // Reset OpenGL state before rendering
#if QT_VERSION >= 0x050200
    mWindow->resetOpenGLState();
#else
#warning Resetting OpenGL state requires Qt 5.2 or later
#endif

    // Clear window if painting below the scenegraph
    if (mWinInfo.needsBelowClear()) {
        QColor bg = mWindow->color();
        mGLClearColorFn(bg.redF(), bg.greenF(), bg.blueF(), bg.alphaF());
        mGLClearFn(GL_COLOR_BUFFER_BIT);
    }

    // Setup prior to paint callback
    QMatrix4x4 matrix;
    bool inlineMode = HsQMLCanvas::Inline == mDisplayMode;
    if (inlineMode) {
        if (!mFBO->bind()) {
            setStatus(HsQMLCanvas::BadBind);
            return;
        }
        mGLViewportFn(0, 0, qCeil(mCanvasWidth), qCeil(mCanvasHeight));

        // Clear FBO to transparent
        mGLClearColorFn(0, 0, 0, 0);
        mGLClearFn(GL_COLOR_BUFFER_BIT);
    }
    else {
        // Calculate matrix for non-inline display modes
        QMatrix4x4 smatrix;
        QSGNode* node = mTransformNode;
        while (node) {
            if (QSGNode::TransformNodeType == node->type()) {
                QSGTransformNode* tnode = static_cast<QSGTransformNode*>(node);
                smatrix = tnode->matrix() * smatrix;
            }
            node = node->parent();
        }
        matrix.translate(-1, 1);
        matrix.scale(2.0f/mWindow->width(), -2.0f/mWindow->height());
        matrix *= smatrix;
        matrix.scale(mItemWidth/2.0f, mItemHeight/2.0f);
        matrix.translate(1, 1);

        mGLViewportFn(0, 0, mWindow->width(), mWindow->height());
    }

    setStatus(HsQMLCanvas::Okay);
    mGLCallbacks->mPaintCb(matrix.data(), mItemWidth, mItemHeight);

    if (inlineMode) {
        mFBO->release();
    }
}
开发者ID:johntyree,项目名称:HsQML,代码行数:82,代码来源:Canvas.cpp


注:本文中的QSurfaceFormat::renderableType方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。