shaders/cgshaderfractal/orcgshaderfractal_shader.h

#ifndef __ORCGSHADER_H__
#define __ORCGSHADER_H__
/***************************************************************************************
 Autodesk(R) Open Reality(R) Samples
 
 (C) 2009 Autodesk, Inc. and/or its licensors
 All rights reserved.
 
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 you accept all of the terms contained in the Software License Agreement ("Agreement") 
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 or other legal entity for which you are acquiring the software.
 
 AUTODESK, INC., MAKES NO WARRANTY, EITHER EXPRESS OR IMPLIED, INCLUDING BUT 
 NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR 
 PURPOSE REGARDING THESE MATERIALS, AND MAKES SUCH MATERIALS AVAILABLE SOLELY ON AN 
 "AS-IS" BASIS.
 
 IN NO EVENT SHALL AUTODESK, INC., BE LIABLE TO ANYONE FOR SPECIAL, COLLATERAL, 
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 in the U.S.A. and/or other countries. All other brand names, product names, or 
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 GOVERNMENT USE
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***************************************************************************************/

//--- SDK include
#include <fbsdk/fbsdk.h>

//--- Registration define
#define ORCGSHADER__CLASSNAME   ORCgShaderFractal
#define ORCGSHADER__CLASSSTR    "ORCgShaderFractal"
#define ORCGSHADER__DESCSTR     "OR - Fractal CgShader"

#include <Cg/cg.h>
#include <Cg/cgGL.h>

#define SCALE_MIN (0.00025f)
#define SCALE_MAX (0.5f)

class ORCgShaderFractal : public FBShader
{
    //--- FiLMBOX declaration.
    FBShaderDeclare( ORCgShaderFractal, FBShader );

    int mRenderFrameId;

public:
    virtual bool FBCreate();        
    virtual void FBDestroy();       

    virtual bool ShaderNeedBeginRender();
    virtual void ShaderBeginRender( FBRenderOptions* pRenderOptions, FBShaderModelInfo* pShaderModelInfo );
    virtual void ShadeModel( FBRenderOptions* pRenderOptions, FBShaderModelInfo* pShaderModelInfo, FBRenderingPass pPass );

    void DrawGeometry( FBShaderModelInfo* pShaderModelInfo );

private:
    void ShowError(const char* pText=NULL);

    CGcontext   mContext;
    CGprogram   mProgram;
    CGprofile   mProfile;
    CGparameter mParamLight;
    CGparameter mParamModelViewProj;
    CGparameter mParamModelViewIT;  

    float       mTransX;
    float       mTransY;
    float       mScaling;
};

#endif /* __ORCGSHADER_H__ */