extComputation.h

//
// Copyright 2018 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_ST_EXT_COMPUTATION_H
#define PXR_IMAGING_HD_ST_EXT_COMPUTATION_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hdSt/api.h"
#include "pxr/imaging/hd/extComputation.h"
#include "pxr/usd/sdf/path.h"
#include "pxr/base/vt/value.h"
 
#include <vector>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdSceneDelegate;
using HdBufferArrayRangeSharedPtr = std::shared_ptr<class HdBufferArrayRange>;
 
class HdStExtComputation : public HdExtComputation
{
public:
    HDST_API
    HdStExtComputation(SdfPath const &id);
 
    HDST_API
    ~HdStExtComputation() override;
 
    HDST_API
    void Sync(HdSceneDelegate *sceneDelegate,
              HdRenderParam   *renderParam,
              HdDirtyBits     *dirtyBits) override;
 
    HDST_API
    void Finalize(HdRenderParam *renderParam) override;
 
    HDST_API
    HdBufferArrayRangeSharedPtr const & GetInputRange() const {
        return _inputRange;
    }
 
private:
    // No default construction or copying
    HdStExtComputation() = delete;
    HdStExtComputation(const HdStExtComputation &) = delete;
    HdStExtComputation &operator =(const HdStExtComputation &) = delete;
 
    HdBufferArrayRangeSharedPtr _inputRange;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_IMAGING_HD_ST_EXT_COMPUTATION_H