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Coin / src / bundles / SoVertexAttributeBundle.cpp

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Lars J. Aas 91fd00d 
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Lars J. Aas 91fd00d 










Tom Fredrik Blen… 282b285 

Lars J. Aas 91fd00d 









Tom Fredrik Blen… 282b285 
Lars J. Aas 91fd00d 























/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
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 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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\**************************************************************************/

/*!
  \class SoVertexAttributeBundle include/Inventor/SoVertexAttributeBundle.h
  \brief The SoVertexAttributeBundle class simplifies vertex attribute handling.
  \ingroup bundles

*/

#include <Inventor/bundles/SoVertexAttributeBundle.h>
#include <Inventor/actions/SoAction.h>
#include <cassert>
#include "SbBasicP.h"

/*!
  Constructor.
*/
SoVertexAttributeBundle::SoVertexAttributeBundle(SoAction * action, SbBool forrendering)
  : SoBundle(action)
{
  this->elem = SoVertexAttributeElement::getInstance(this->state);
  this->glelem = NULL;
  if (forrendering) {
    this->glelem = static_cast<const SoGLVertexAttributeElement *> (this->elem);
  }
}

/*!
  Destructor.
*/
SoVertexAttributeBundle::~SoVertexAttributeBundle()
{
}

SbBool 
SoVertexAttributeBundle::doAttributes(void) const
{
  return (this->elem->getNumAttributes() > 0);
}

/*!
  Send the index'th attribute to OpenGL.
*/
void 
SoVertexAttributeBundle::send(int index) const
{
  assert(this->glelem);
  this->glelem->send(index);
}