extComputationContextInternal.h

//
// Copyright 2017 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_EXT_COMPUTATION_CONTEXT_INTERNAL_H
#define PXR_IMAGING_HD_EXT_COMPUTATION_CONTEXT_INTERNAL_H
 
#include "pxr/pxr.h"
 
#include "pxr/imaging/hd/api.h"
#include "pxr/imaging/hd/extComputationContext.h"
 
#include <map>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdExtComputationContextInternal final : public HdExtComputationContext {
public:
    HD_API
    HdExtComputationContextInternal();
 
    HD_API
    virtual ~HdExtComputationContextInternal();
 
    HD_API
    virtual const VtValue &GetInputValue(const TfToken &name) const override;
 
    HD_API
    virtual const VtValue *GetOptionalInputValuePtr(
                                            const TfToken &name) const override;
    HD_API
    virtual void SetOutputValue(const TfToken &name,
                                 const VtValue &output) override;
 
 
    HD_API
    void SetInputValue(const TfToken &name, const VtValue &input);
 
    HD_API
    bool GetOutputValue(const TfToken &name, VtValue *output) const;
 
    HD_API
    bool HasComputationError();
 
    HD_API
    virtual void RaiseComputationError() override;
 
private:
    typedef std::map<TfToken, VtValue> ValueMap;
 
    ValueMap m_inputs;
    ValueMap m_outputs;
    bool     m_compuationError;
 
 
    HdExtComputationContextInternal(const HdExtComputationContextInternal &)
                                                                       = delete;
    HdExtComputationContextInternal &operator = (
                             const HdExtComputationContextInternal &) = delete;
 
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_IMAGING_HD_EXT_COMPUTATION_CONTEXT_INTERNAL_H