GEO/GEO_IORibExt.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.
 *
 * Produced by:
 *      Mark Elendt
 *      Side Effects Software Inc
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        GEO_IORibExt.h ( GEO Library, C++)
 *
 * COMMENTS:    Encapsulated definition of RIB extensions supported by the GEO
 *              library.
 */

#ifndef __GEO_IORibExt__
#define __GEO_IORibExt__

#include "GEO_API.h"
#include <string.h>

class UT_OptionFile;

enum    {
    // Features supported
    GEO_RIB_RIPOINT = 0,        // Supports RiPoint
    GEO_RIB_RICURVE,            // Supports RiCurve
    GEO_RIB_RINUCURVE,          // Supports RiNuCurve
    GEO_RIB_RISUBDIVIDE,        // Supports Sub-Division surfaces
    GEO_RIB_RIBLOBBY,           // Supports Blobbys

    // Bug fixes in specific cases
    GEO_RIB_PRMAN36_PRIMCLR,    // Prior to prman3.7, they processed
                                // primitive attributes backwards on
                                // PointsGeneralPolygon
    GEO_RIB_PRMAN38_UCURVE,     // Prior to prman3.9 uniform attributes on
                                // curves were set for the whole curve set.
                                // After 3.9 the uniform attribute is per-curve

    // prman 10
    GEO_RIB_FACEVARYING,        // Face varying extension

    GEO_RIB_MAX_EXTENSIONS
};


class GEO_API GEO_IORibExt {
public:
     GEO_IORibExt();
    ~GEO_IORibExt();

    void        setRenderer(const char *renderer, int major, int minor);

    int         hasExtension(int ext)
                {
                    if (ext < 0 || ext >= GEO_RIB_MAX_EXTENSIONS)
                        return 0;
                    return myExtensions[ext];
                }

private:
    void        initExtensions(const UT_OptionFile &options);
    char        myExtensions[GEO_RIB_MAX_EXTENSIONS];
};

#endif

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