C++ (Cpp) renderNodes Examples

Example #1

File: Camera.cpp Project: henrya2/OpenGL-Samples

void Camera::lastUpdate()
{
	if (mSceneNode)
	{
		Transform* nodeTransform = mSceneNode->getTransform();

		renderNodes(Director::getInstance()->getRunningScene());
	}
}

Example #2

File: qsgdefaultrenderer.cpp Project: yinyunqiao/qtdeclarative

void QSGDefaultRenderer::render()
{
#if defined (QML_RUNTIME_TESTING)
    static bool dumpTree = qApp->arguments().contains(QLatin1String("--dump-tree"));
    if (dumpTree) {
        printf("\n\n");
        QSGNodeDumper::dump(rootNode());
    }
#endif

#ifdef RENDERER_DEBUG
    debugTimer.invalidate();
    debugTimer.start();
    geometryNodesDrawn = 0;
    materialChanges = 0;
#endif

    glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
    glDisable(GL_BLEND);

    glFrontFace(isMirrored() ? GL_CW : GL_CCW);
    glDisable(GL_CULL_FACE);

    glEnable(GL_DEPTH_TEST);
    glDepthMask(true);
    glDepthFunc(GL_GREATER);
#if defined(QT_OPENGL_ES)
    glClearDepthf(0);
#else
    glClearDepth(0);
#endif

    glDisable(GL_SCISSOR_TEST);
    glClearColor(m_clear_color.redF(), m_clear_color.greenF(), m_clear_color.blueF(), m_clear_color.alphaF());

#ifdef RENDERER_DEBUG
    int debugtimeSetup = debugTimer.elapsed();
#endif

    bindable()->clear(clearMode());

#ifdef RENDERER_DEBUG
    int debugtimeClear = debugTimer.elapsed();
#endif

    QRect r = viewportRect();
    glViewport(r.x(), deviceRect().bottom() - r.bottom(), r.width(), r.height());
    m_current_projection_matrix = projectionMatrix();
    m_current_model_view_matrix.setToIdentity();

    m_currentClip = 0;
    glDisable(GL_STENCIL_TEST);

    m_currentMaterial = 0;
    m_currentProgram = 0;
    m_currentMatrix = 0;

    if (m_rebuild_lists) {
        m_opaqueNodes.reset();
        m_transparentNodes.reset();
        m_currentRenderOrder = 1;
        buildLists(rootNode());
        m_rebuild_lists = false;
    }

#ifdef RENDERER_DEBUG
    int debugtimeLists = debugTimer.elapsed();
#endif


    if (m_needs_sorting) {
        if (!m_opaqueNodes.isEmpty()) {
            qSort(&m_opaqueNodes.first(), &m_opaqueNodes.first() + m_opaqueNodes.size(),
                  m_sort_front_to_back
                  ? nodeLessThanWithRenderOrder
                  : nodeLessThan);
        }
        m_needs_sorting = false;
    }

#ifdef RENDERER_DEBUG
    int debugtimeSorting = debugTimer.elapsed();
#endif

    m_renderOrderMatrix.setToIdentity();
    m_renderOrderMatrix.scale(1, 1, qreal(1) / m_currentRenderOrder);

    glDisable(GL_BLEND);
    glDepthMask(true);
#ifdef QML_RUNTIME_TESTING
    if (m_render_opaque_nodes)
#endif
    {
#if defined (QML_RUNTIME_TESTING)
        if (dumpTree)
            qDebug() << "Opaque Nodes:";
#endif
        renderNodes(m_opaqueNodes);
    }

#ifdef RENDERER_DEBUG
    int debugtimeOpaque = debugTimer.elapsed();
    int opaqueNodes = geometryNodesDrawn;
    int opaqueMaterialChanges = materialChanges;
#endif

    glEnable(GL_BLEND);
    glDepthMask(false);
#ifdef QML_RUNTIME_TESTING
    if (m_render_alpha_nodes)
#endif
    {
#if defined (QML_RUNTIME_TESTING)
        if (dumpTree)
            qDebug() << "Alpha Nodes:";
#endif
        renderNodes(m_transparentNodes);
    }

#ifdef RENDERER_DEBUG
    int debugtimeAlpha = debugTimer.elapsed();
#endif


    if (m_currentProgram)
        m_currentProgram->deactivate();

#ifdef RENDERER_DEBUG
    if (debugTimer.elapsed() > DEBUG_THRESHOLD) {
        printf(" --- Renderer breakdown:\n"
               "     - setup=%d, clear=%d, building=%d, sorting=%d, opaque=%d, alpha=%d\n"
               "     - material changes: opaque=%d, alpha=%d, total=%d\n"
               "     - geometry ndoes: opaque=%d, alpha=%d, total=%d\n",
               debugtimeSetup,
               debugtimeClear - debugtimeSetup,
               debugtimeLists - debugtimeClear,
               debugtimeSorting - debugtimeLists,
               debugtimeOpaque - debugtimeSorting,
               debugtimeAlpha - debugtimeOpaque,
               opaqueMaterialChanges, materialChanges - opaqueMaterialChanges, materialChanges,
               opaqueNodes, geometryNodesDrawn - opaqueNodes, geometryNodesDrawn);
    }
#endif

}