source: trunk/packages/vizservers/nanovis/Texture3D.h @ 2825

/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
 * ----------------------------------------------------------------------
 * texture3d.h: 3d texture class
 *
 * ======================================================================
 *  AUTHOR:  Wei Qiao <qiaow@purdue.edu>
 *           Purdue Rendering and Perceptualization Lab (PURPL)
 *
 *  Copyright (c) 2004-2006  Purdue Research Foundation
 *
 *  See the file "license.terms" for information on usage and
 *  redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 * ======================================================================
 */
#ifndef _TEXTURE_3D_H_
#define _TEXTURE_3D_H_

#include <GL/glew.h>
#include "config.h"

class Texture3D{
        

public:
        int width;
        int height;
        int depth;

        double aspect_ratio_width;
        double aspect_ratio_height;
        double aspect_ratio_depth;

        GLuint type;
        GLuint interp_type;
        int n_components;
        bool gl_resource_allocated;

        GLuint id;
        GLuint tex_unit;

        Texture3D();
        Texture3D(int width, int height, int depth, GLuint type, GLuint interp, int n);
        ~Texture3D();
        
        void activate();
        void deactivate();
        GLuint initialize(float* data);
        static void check_max_size();
        static void check_max_unit();

    void update(float* data);

};

#endif