RixVolume.h

#ifndef RixVolume_h
#define RixVolume_h
/* $Revision: #4 $ $Date: 2016/01/20 $
# ------------------------------------------------------------------------------
#
# Copyright (c) 2015 Pixar Animation Studios. All rights reserved.
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# The information in this file (the "Software") is provided for the
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# the right to incorporate the Software into other products for use
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# whole or in part, without the prior written permission of
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#include "RixShading.h"
#include "RixBxdf.h"

class RixVolumeServices : public RixInterface
{

public:
    RixVolumeServices() : RixInterface(1), shadingCtx(NULL) {}

    // Begin for a Rix shading context (RIS usage)
    virtual void Begin(RixShadingContext const* sCtx) = 0;

    virtual void End() = 0;

    virtual int GetDensityRanges(
        const RtPoint3& pt0,
        const RtPoint3& pt1,
        float length,
        float maxDensity,
        float** dist,
        float** minDensities,
        float** maxDensities,
        float* minTrans,
        float* maxTrans) const = 0;

protected:
    virtual ~RixVolumeServices() {}
    RixShadingContext const* shadingCtx;

};

#endif