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SoShaderObject.h

00001 #ifndef COIN_SOSHADEROBJECT_H
00002 #define COIN_SOSHADEROBJECT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/nodes/SoNode.h>
00028 #include <Inventor/nodes/SoSubNode.h>
00029 #include <Inventor/fields/SoSFString.h>
00030 #include <Inventor/fields/SoSFEnum.h>
00031 #include <Inventor/fields/SoSFBool.h>
00032 #include <Inventor/fields/SoMFNode.h>
00033 #include <Inventor/C/glue/gl.h>
00034 
00035 class SoGLShaderObject;
00036 class SoGLShaderProgram;
00037 class SoState;
00038 
00039 // *************************************************************************
00040 
00041 class COIN_DLL_API SoShaderObject : public SoNode {
00042   typedef SoNode inherited;
00043   SO_NODE_ABSTRACT_HEADER(SoShaderObject);
00044 
00045 public:
00046   enum SourceType {
00047     ARB_PROGRAM,
00048     CG_PROGRAM,
00049     GLSL_PROGRAM,
00050     FILENAME
00051   };
00052 
00053   SoSFBool isActive;
00054   SoSFEnum sourceType;
00055   SoSFString sourceProgram;
00056   // FIXME: this field is an SoMFUniformShaderParameter in TGS
00057   // Inventor. We should also implement that field. 20050125 mortene.
00058   SoMFNode parameter;
00059 
00060   static void initClass(void);
00061 
00062   virtual void GLRender(SoGLRenderAction * action);
00063   virtual void search(SoSearchAction * action);
00064 
00065   void updateParameters(SoState * state);
00066 
00067   SourceType getSourceType(void) const;
00068   SbString getSourceProgram(void) const;
00069 
00070 protected:
00071   SoShaderObject(void);
00072   virtual ~SoShaderObject();
00073   virtual SbBool readInstance(SoInput * in, unsigned short flags);
00074 
00075 private:
00076   class SoShaderObjectP * pimpl;
00077 };
00078 
00079 #endif /* ! COIN_SOSHADEROBJECT_H*/

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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