Method create

source/MaterialXGenShader/ShaderGraph.cpp:440–471

}

ShaderGraphPtr ShaderGraph::create(const ShaderGraph* parent, const NodeGraph& nodeGraph, GenContext& context)
{
    NodeDefPtr nodeDef = nodeGraph.getNodeDef();
    if (!nodeDef)
    {
        throw ExceptionShaderGenError("Can't find nodedef '" + nodeGraph.getNodeDefString() + "' referenced by nodegraph '" + nodeGraph.getName() + "'");
    }

    string graphName = nodeGraph.getName();
    context.getShaderGenerator().getSyntax().makeValidName(graphName);
    ShaderGraphPtr graph = std::make_shared<ShaderGraph>(parent, graphName, nodeGraph.getDocument(), context);

    // Clear classification
    graph->_classification = 0;

    // Create input sockets from the nodedef
    graph->addInputSockets(*nodeDef, context);

    // Create output sockets from the nodegraph
    graph->addOutputSockets(nodeGraph, context);

    // Traverse all outputs and create all internal nodes
    for (OutputPtr graphOutput : nodeGraph.getActiveOutputs())
    {
        graph->addUpstreamDependencies(*graphOutput, context);
    }

    // Finalize the graph
    graph->finalize(context);

    return graph;
}

ShaderGraphPtr ShaderGraph::create(const ShaderGraph* parent, const string& name, ElementPtr element, GenContext& context)
{