extensibleNode.h

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//
// Copyright 2025 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_EXEC_VDF_EXTENSIBLE_NODE_H
#define PXR_EXEC_VDF_EXTENSIBLE_NODE_H
 
 
#include "pxr/pxr.h"
 
#include "pxr/exec/vdf/api.h"
#include "pxr/exec/vdf/connectorSpecs.h"
#include "pxr/exec/vdf/node.h"
#include "pxr/exec/vdf/inputAndOutputSpecs.h"
 
#include <vector>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class VdfInput;
class VdfOutput;
class VdfNetwork;
 
class VDF_API_TYPE VdfExtensibleNode : public VdfNode
{
public:
 
    VDF_API
    VdfExtensibleNode(
        VdfNetwork *network,
        const VdfInputSpecs &inputSpecs,
        const VdfOutputSpecs &outputSpecs);
 
    VDF_API
    void AddOutputSpecs(
        const VdfOutputSpecs &specs,
        std::vector<VdfOutput*> *resultOutputs);
 
    VDF_API
    void AddInputSpecs(
        const VdfInputSpecs &specs,
        std::vector<VdfInput*> *resultInputs);
 
protected:
 
    VDF_API
    virtual const VdfInputAndOutputSpecs *_AcquireInputAndOutputSpecsPointer(
        const VdfInputSpecs &inputSpecs,
        const VdfOutputSpecs &outputSpecs);
 
    VDF_API
    virtual void _ReleaseInputAndOutputSpecsPointer(
        const VdfInputAndOutputSpecs *specs);
 
    VDF_API
    virtual ~VdfExtensibleNode();
 
private:
 
    // Our own local input and output specs so that we can append to them
    // very quickly.
    VdfInputAndOutputSpecs _inputAndOutputSpecs;
 
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif