//
// Copyright Contributors to the MaterialX Project
// SPDX-License-Identifier: Apache-2.0
//

#include <MaterialXGenMdl/Nodes/ClosureSourceCodeNodeMdl.h>

#include <MaterialXGenShader/GenContext.h>
#include <MaterialXGenShader/ShaderGenerator.h>
#include <MaterialXGenShader/ShaderNode.h>
#include <MaterialXGenShader/ShaderStage.h>
#include <MaterialXGenShader/Util.h>

MATERIALX_NAMESPACE_BEGIN

ShaderNodeImplPtr ClosureSourceCodeNodeMdl::create()
{
    return std::make_shared<ClosureSourceCodeNodeMdl>();
}

void ClosureSourceCodeNodeMdl::emitFunctionCall(const ShaderNode& node, GenContext& context, ShaderStage& stage) const
{
    DEFINE_SHADER_STAGE(stage, Stage::PIXEL)
    {
        const ShaderGenerator& shadergen = context.getShaderGenerator();

        // Emit calls for any closure dependencies upstream from this node.
        shadergen.emitDependentFunctionCalls(node, context, stage, ShaderNode::Classification::CLOSURE);

        SourceCodeNodeMdl::emitFunctionCall(node, context, stage);
    }
}

MATERIALX_NAMESPACE_END