ShaderImage3D.h

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//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __SHADERIMAGE3D_H__
#define __SHADERIMAGE3D_H__
 
#include <H3D/ShaderImageNode.h>
#include <H3D/SFInt32.h>
#include <H3D/SFFloat.h>
#include <H3D/SFString.h>
 
namespace H3D {
 
  class H3DAPI_API ShaderImage3D : 
    public ShaderImageNode {
  public:
  
    ShaderImage3D( Inst< DisplayList  > _displayList = 0,
                   Inst< SFNode       > _metadata = 0,
                   Inst< SFInt32      > _width = 0,
                   Inst< SFInt32      > _height = 0,
                   Inst< SFInt32      > _depth = 0, 
                   Inst< SFString     > _format = 0);
 
 
    virtual void render ( );
 
    virtual void prepareShaderImage ( );
 
    H3DUniquePtr<SFInt32> width;
    
    H3DUniquePtr<SFInt32> height;
 
    H3DUniquePtr<SFInt32> depth;
 
    H3DUniquePtr<SFString> format;
 
    static H3DNodeDatabase database;
 
  private:
    // map between format string definition and enum definition
    static std::map<string, GLenum> stringImageFormat_map;
    // function to generate stringImageFormat map for once
    static std::map<string, GLenum> initStringImageFormat_map ( );
    // all supported image formats in string type
    static const std::vector<string> image_formats;
    // function to generate all image formats in string type for once 
    static vector<string> initImage_formats ( );
  };
}
 
#endif