vp2BlinnShader/vp2BlinnShader.h

#ifndef _vp2BlinnShader
#define _vp2BlinnShader
//-
// ==========================================================================
// Copyright 2015 Autodesk, Inc.  All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk
// license agreement provided at the time of installation or download,
// or which otherwise accompanies this software in either electronic
// or hard copy form.
// ==========================================================================
//+
#include <maya/MPxHardwareShader.h>
#include <maya/MRenderProfile.h>

class vp2BlinnShader : public MPxHardwareShader 
{
public:
                    vp2BlinnShader();
            ~vp2BlinnShader() override;

    MStatus compute( const MPlug&, MDataBlock& ) override;

    // VP1 profile. Just leave as unsupported hardware profile
    // as sample code.
    const MRenderProfile & profile() override
    {
        static MRenderProfile sProfile;
        if(sProfile.numberOfRenderers() == 0)
            sProfile.addRenderer(MRenderProfile::kMayaSoftware);
        return sProfile;    
    }

    // Swatch rendering. Called irregardless of VP1 or VP2.
    //
    MStatus renderSwatchImage( MImage & image ) override;

    static  void *  creator();
    static  MStatus initialize();

    static  MTypeId id;

protected:

private:
    // Attributes
    static MObject  aColor;
    static MObject  aTransparency;
    static MObject  aDiffuse;
    static MObject  aDiffuseColor;
    static MObject  aSpecularColor;
    static MObject  aSpecularRolloff;
    static MObject  aEccentricity;
    static MObject  aNonTexturedColor;
    static MObject  aNonTexturedTransparency;
};

#endif /* _vp2BlinnShader */