C++ (Cpp) QPlatformWindowFormat::setSharedContext Examples

Example #1

File: qgl_qpa.cpp Project: wpbest/copperspice

bool QGLContext::chooseContext(const QGLContext* shareContext)
{
    Q_D(QGLContext);
    if(!d->paintDevice || d->paintDevice->devType() != QInternal::Widget) {
        d->valid = false;
    }else {
        QWidget *widget = static_cast<QWidget *>(d->paintDevice);
        if (!widget->platformWindow()){
            QGLFormat glformat = format();
            QPlatformWindowFormat winFormat = QGLFormat::toPlatformWindowFormat(glformat);
            if (shareContext) {
                winFormat.setSharedContext(shareContext->d_func()->platformContext);
            }
            if (widget->testAttribute(Qt::WA_TranslucentBackground))
                winFormat.setAlpha(true);
            winFormat.setWindowApi(QPlatformWindowFormat::OpenGL);
            winFormat.setWindowSurface(false);
            widget->setPlatformWindowFormat(winFormat);
            widget->winId();//make window
        }
        d->platformContext = widget->platformWindow()->glContext();
        Q_ASSERT(d->platformContext);
        d->glFormat = QGLFormat::fromPlatformWindowFormat(d->platformContext->platformWindowFormat());
        d->valid =(bool) d->platformContext;
        if (d->valid) {
            d->platformContext->setQGLContextHandle(this,qDeleteQGLContext);
        }
        d->setupSharing();
    }


    return d->valid;
}