GU_CESnippet.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME: GU_CESnippet.h ( CE Library, C++)
 *
 * COMMENTS: Snippet binding for GU objects into CE_Snippet.
 */

#ifndef __GU_CESnippet__
#define __GU_CESnippet__

#include "GU_API.h"

#include <CE/CE_Snippet.h>

class GU_Detail;
class GEO_PrimVolume;

class GU_API GU_CESnippetBindOp
{
public:
    GU_CESnippetBindOp(GU_Detail *gdp = nullptr) 
        : myGdp(gdp)
        , myRefVol(nullptr) 
    { }

    void                setGdp(GU_Detail *gdp) { myGdp = gdp; }
    void                setRefVol(const GEO_PrimVolume *vol) { myRefVol = vol; }

    /// Is this binding optional, and if so, does it exist in the geometry?
    bool                requiresHas(const CE_Snippet::Binding &binding, CE_Precision precision) const;

    bool                operator()(const CE_Snippet::Binding &binding, int p,
                            cl::Kernel &kernel, int &argidx,
                            UT_ErrorManager *error,
                            CE_Precision precision) const;


protected:
    bool                setAttribute(const CE_Snippet::Binding &binding, int p,
                            cl::Kernel &kernel, int &argidx,
                            UT_ErrorManager *error,
                            CE_Precision precision) const;

    bool                setVolume(const CE_Snippet::Binding &binding, int p,
                            cl::Kernel &kernel, int &argidx,
                            UT_ErrorManager *error,
                            CE_Precision precision) const;

    bool                setVDB(const CE_Snippet::Binding &binding, int p,
                            cl::Kernel &kernel, int &argidx,
                            UT_ErrorManager *error,
                            CE_Precision precision) const;

    GU_Detail           *myGdp;
    const GEO_PrimVolume      *myRefVol;
};

#endif