TAPsModelDeformableGLSL_Visualization_3DTexture.hpp

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/******************************************************************************
TAPsModelDeformableGLSL_Visualization_3DTexture.hpp
******************************************************************************/
/******************************************************************************
SUKITTI PUNAK   (05/12/2007)
UPDATE          (07/21/2007)
******************************************************************************/
#ifndef TAPs_MODEL_DEFORMABLE_GLSL_VISUALIZATION_3D_TEXTURE_HPP
#define TAPs_MODEL_DEFORMABLE_GLSL_VISUALIZATION_3D_TEXTURE_HPP

//#include "../GLSL/TAPsGLSLFns.hpp"
#include "TAPsModelDeformableGLSL.hpp"

BEGIN_NAMESPACE_TAPs__OpenGL
//=============================================================================
template <typename T> class ModelDeformableGLSL;    // class forward
//=============================================================================
template <typename T>
class ModelDeformableGLSL_Visualization_3DTexture {
//-----------------------------------------------------------------------------
// Member Functions -----------------------------------------------------------
public:
    //-------------------------------------------------------------------------
    // default constructor
    //ModelDeformableGLSL_Visualization_3DTexture ();
    //-------------------------------------------------------------------------
    // constructor
    ModelDeformableGLSL_Visualization_3DTexture ( 
        ModelDeformableGLSL<T> * simDomain );
    //-------------------------------------------------------------------------
    // destructor
    virtual ~ModelDeformableGLSL_Visualization_3DTexture ();
    //-------------------------------------------------------------------------
    virtual void Default ();
    virtual void Clear ();
    //-------------------------------------------------------------------------
    // Get/Set Fn(s)
    //-------------------------------------------
    // Ret OpenGL Texture Objects
    Texture *   RetObject3DTextureVisualization ()
        { return m_3DTextureVisualization; }
    Texture *   RetObject1DTextureTransferFnLUT ()
        { return m_1DTextureTransferFnLUT; }
    //-------------------------------------------
    // Get OpenGL Texture Names
    GLuint  Get3DTextureVisualization ()
    {
        if ( !m_3DTextureVisualization )    return 0;
        return m_3DTextureVisualization->GetTexture(0);
    }
    GLuint  Get1DTextureTransferFnLUT ()
    {
        if ( !m_1DTextureTransferFnLUT ) return 0;
        return m_1DTextureTransferFnLUT->GetTexture(0);
    }
    //-------------------------------------------------------------------------
    //=========================================================================
    // For Initializations & Setups
    //-------------------------------------------------------------------------
    bool SetupVisualization ( 
        int resolutionX, int resolutionY, int resolutionZ, 
        enum GridGenerator<T>::VertexFlag *** pFlagDataForXYZVoxels 
    )
    {
        if ( !Setup3DTextureForVisualization( 
                resolutionX, resolutionY, resolutionZ, 
                pFlagDataForXYZVoxels ) ) {
            return false;
        }
        if ( !Setup1DTextureForTransferFnLUT() ) {
            return false;
        }
        if ( !SetupFBOAndTextureForAlignedSliceDrawDirection() ) {
            return false;
        }
        if ( !SetupShadersFor3DTextureDrawDirectionAndDrawing() ) {
            return false;
        }
        return true;
    }
    bool Setup3DTextureForVisualization ( 
        int resolutionX, int resolutionY, int resolutionZ, 
        enum GridGenerator<T>::VertexFlag *** pFlagDataForXYZVoxels 
    );
    bool Setup1DTextureForTransferFnLUT ();
    bool SetupFBOAndTextureForAlignedSliceDrawDirection ();
    bool SetupShadersFor3DTextureDrawDirectionAndDrawing ();
//  bool Load1DTextureForTransferFnLUT ( 
//      GLubyte const * lookupTableData     // size of 256x4
//  );
    //-------------------------------------------------------------------------
    //=========================================================================
    //-------------------------------------------------------------------------
    //virtual void DrawByGL ( DrawType drawType = POSITION_TEXTURE );
    //virtual void DrawByGLSL ( DrawType drawType = POSITION_TEXTURE );
    virtual void DrawByGL   ( int iSubdivision = 1 );
    virtual void DrawByGLSL ( int iSubdivision = 1 );
    //-------------------------------------------------------------------------
    //=========================================================================

    //=========================================================================
    //-------------------------------------------------------------------------
    // Calculation(s)
    void CalAndRecordFreqsOfHistogramRange_0_255_ToArray ( GLubyte freqs[256] );
    //-------------------------------------------------------------------------
    //=========================================================================

    //=========================================================================
    // Simulation/Animation Fn(s)
    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------
    //=========================================================================

//-----------------------------------------------------------------------------
// Data Members  --------------------------------------------------------------
protected:
    //=========================================================================
    // GPU
    //-------------------------------------------------------------------------
    // For OpenGL Shading Language
    GLSLShaderManager       m_glslShaderManager;
    // For Finding 3D Texture Draw Direction
    GLSLProgramObject *     m_glslProgramObjectFor3DTextureDrawDirection;
    // Display Deformed Model by 3D Texture
    GLSLProgramObject *     m_glslProgramObjectFor3DTextureDrawing;
    //---------------------------------------------------------------
    // For Drawing (3D) Object-Aligned Slices
    GLuint      m_glslFBO_v3DObjAlignedSliceDrawDirection;
    GLuint      m_glui2DTextureFor3DObjAlignedSliceDrawDirection;
    //-------------------------------------------------------------------------
    Texture *   m_3DTextureVisualization;
    //-------------------------------------------------------------------------
    Texture *   m_1DTextureTransferFnLUT;
    //-------------------------------------------------------------------------
    ModelDeformableGLSL<T> *    m_SimDomain;
    //=========================================================================
    // Helper Fn(s)
    //-------------------------------------------------------------------------
    //-------------------------------------------------------------------------
    //=========================================================================
    //-------------------------------------------------------------------------
    //=========================================================================
    //-------------------------------------------------------------------------
}; // CLASS END: ModelDeformableGLSL_Visualization_3DTexture ******************
//=============================================================================
END_NAMESPACE_TAPs__OpenGL
//-----------------------------------------------------------------------------
// Include definition if TAPs_USE_EXPORT is not defined
//#if !defined( TAPs_USE_EXPORT )
    #include "TAPsModelDeformableGLSL_Visualization_3DTexture.cpp"
//#endif
//-----------------------------------------------------------------------------
#endif
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