Method updateMaterials

source/MaterialXGraphEditor/Graph.cpp:677–717

}

void Graph::updateMaterials(mx::InputPtr input /* = nullptr */, mx::ValuePtr value /* = nullptr */)
{
    std::string renderablePath;
    if (_currRenderNode)
    {
        if (_currRenderNode->getNode())
        {
            renderablePath = _currRenderNode->getNode()->getNamePath();
        }
        else if (_currRenderNode->getOutput())
        {
            renderablePath = _currRenderNode->getOutput()->getNamePath();
        }
    }

    if (renderablePath.empty())
    {
        _renderer->updateMaterials(nullptr);
    }
    else
    {
        if (!input)
        {
            mx::ElementPtr elem = nullptr;
            {
                elem = _graphDoc->getDescendant(renderablePath);
            }
            mx::TypedElementPtr typedElem = elem ? elem->asA<mx::TypedElement>() : nullptr;
            _renderer->updateMaterials(typedElem);
        }
        else
        {
            std::string name = input->getNamePath();

            // Note that if there is a topogical change due to
            // this value change or a transparency change, then
            // this is not currently caught here.
            _renderer->getMaterials()[0]->modifyUniform(name, value);
        }
    }
}

void Graph::showPropertyEditorValue(UiNodePtr node, mx::InputPtr input, const mx::UIProperties& uiProperties)
{