X3DTexture2DNode.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 __X3DTEXTURE2DNODE_H__
#define __X3DTEXTURE2DNODE_H__
 
#include <H3D/H3DSingleTextureNode.h>
#include <H3D/H3DImageObject.h>
#include <H3D/TextureProperties.h>
#include <H3D/DependentNodeFields.h>
 
namespace H3D {
  class H3DAPI_API X3DTexture2DNode : 
    public H3DSingleTextureNode,
    public H3DImageObject {
  public:
    class H3DAPI_API SFImage: public H3DImageObject::SFImage {
    public:
      virtual void setValueFromString( const string &s );
 
      virtual string getValueAsString(const string& separator = " ");
 
      virtual X3DTypes::X3DType getX3DType() { return X3DTypes::SFIMAGE; }
     };
 
    class H3DAPI_API UpdateTextureProperties: public Field{
    public: 
      virtual void update();
    };
        
    typedef  DependentSFNode< FieldRef<TextureProperties,
                                       Field,
                                       &TextureProperties::propertyChanged > > 
    SFTextureProperties;
    
    X3DTexture2DNode( Inst< DisplayList > _displayList = 0,
                      Inst< SFNode  > _metadata  = 0,
                      Inst< SFBool  > _repeatS   = 0,
                      Inst< SFBool  > _repeatT   = 0,
                      Inst< SFBool  > _scaleToP2 = 0,
                      Inst< SFImage > _image     = 0,
                      Inst< SFTextureProperties > _textureProperties = 0 );
 
    virtual void render();
 
    virtual void renderTextureProperties();
 
    virtual GLuint64 getTextureHandle();
 
    virtual void enableTexturing();
      
    virtual void disableTexturing();
 
    virtual GLint glInternalFormat( Image *_image );
 
    virtual void glTexImage( Image *_image, GLenum _texture_target, 
                             bool scale_to_power_of_two );
      
    virtual void renderSubImage( Image *_image, GLenum _texture_target, 
                                 int xoffset, int yoffset,
                                 int width, int height );
 
    virtual Image* renderToImage ( H3DInt32 _width, H3DInt32 _height, bool output_float_texture = false  );
 
    virtual void setTextureWidth( int _width );
 
    virtual void setTextureHeight( int _height );
 
    H3DUniquePtr< SFBool >  repeatS;
 
    H3DUniquePtr< SFBool >  repeatT;
 
    H3DUniquePtr< SFBool > scaleToPowerOfTwo;
    
    H3DUniquePtr< SFTextureProperties >  textureProperties;
 
    H3DUniquePtr< UpdateTextureProperties > updateTextureProperties;
 
    static H3DNodeDatabase database;
  protected:
 
    virtual std::pair<H3DInt32,H3DInt32> getDefaultSaveDimensions ();
 
    H3DUniquePtr< Field > imageUpdated;
 
    H3DUniquePtr< Field > textureUpdated;
 
  public:
    virtual GLenum glPixelFormat( Image *_image );
 
  protected:
    // Needed to correctly fall back in case the TextureProperties settings are not matching the mip map settings
    // or mip mapping can not be used (compressed image).
    bool mip_mapping_used;
  };
}
 
#endif