/usr/include/sofa/component/visualmodel/OglAttribute.inl is in libsofa1-dev 1.0~beta4-12.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library 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 Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef _OGL_ATTRIBUTE_INL_
#define _OGL_ATTRIBUTE_INL_
#include <sofa/component/visualmodel/OglAttribute.h>
#include <sofa/component/topology/PointSetTopologyChange.h>
#include <sofa/component/topology/TriangleSetTopologyChange.h>
#include <sofa/component/topology/QuadSetTopologyChange.h>
#include <sofa/component/topology/TetrahedronSetTopologyChange.h>
#include <sofa/component/topology/HexahedronSetTopologyChange.h>
#include <sofa/core/ObjectFactory.h>
namespace sofa
{
namespace component
{
namespace visualmodel
{
using namespace sofa::core::componentmodel::topology;
using namespace sofa::component::topology;
template < int size, unsigned int type, class DataTypes>
OglAttribute< size, type, DataTypes>::OglAttribute() :
OglShaderElement()
, _abo ( -1 )
, usage( GL_STATIC_DRAW)
,value( initData(&value, "value", "internal Data"))
{
_topology = NULL;
}
template < int size, unsigned int type, class DataTypes>
OglAttribute< size, type, DataTypes>::~OglAttribute()
{
glDeleteBuffers(1, &_abo);
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::init()
{
OglShaderElement::init();
getContext()->get( _topology);
if ( ( int ) _abo == -1 ) glGenBuffers ( 1, &_abo );
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::initVisual ()
{
const ResizableExtVector<DataTypes>& data = value.getValue();
unsigned int totalSize = data.size() *sizeof ( data[0] );
glBindBuffer ( GL_ARRAY_BUFFER, _abo );
glBufferData ( GL_ARRAY_BUFFER,
totalSize,
NULL,
usage );
// Fill the buffer
glBufferSubData ( GL_ARRAY_BUFFER,
0,
totalSize,
data.getData() );
_index = shader->getAttribute ( 0, id.getValue().c_str() );
enable();
glBindBuffer(GL_ARRAY_BUFFER,0);
}
template < int size, unsigned int type, class DataTypes>
bool OglAttribute< size, type, DataTypes>::updateABO()
{
GLvoid* attrib_bo = NULL;
glBindBuffer(GL_ARRAY_BUFFER, _abo);
attrib_bo = (GLvoid*) glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
if(attrib_bo == NULL)
{
std::cerr << "OglAttribute : Unknown error when updating attribute indices buffer "<< std::endl;
return false;
}
const ResizableExtVector<DataTypes>& val = value.getValue();
memcpy(attrib_bo, &(val[0]), val.size()*sizeof(val[0]));
glUnmapBuffer(GL_ARRAY_BUFFER);
glBindBuffer(GL_ARRAY_BUFFER, 0);
return true;
}
template < int size, unsigned int type, class DataTypes>
ResizableExtVector<DataTypes>* OglAttribute< size, type, DataTypes>::beginEdit()
{
return value.beginEdit();
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::endEdit()
{
value.endEdit();
}
template < int size, unsigned int type, class DataTypes>
const ResizableExtVector<DataTypes>& OglAttribute< size, type, DataTypes>::getValue() const
{
return value.getValue();
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::setValue ( const ResizableExtVector<DataTypes>& value )
{
ResizableExtVector<DataTypes>& val = * ( this->value.beginEdit() );
val = value;
this->value.endEdit();
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::enable()
{
glEnableVertexAttribArray ( _index );
glVertexAttribPointer ( _index, size, type, GL_FALSE, 0, ( char* ) NULL + 0 );
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::disable()
{
glDisableVertexAttribArray ( _index );
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::draw()
{
glEnableVertexAttribArray ( _index );
glVertexAttribPointer ( _index, size, type, GL_FALSE, 0, (void*)(&value.getValue()[0]));
}
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::reinit()
{
init();
initVisual();
}
// Only resizing and renumbering is done. 'value' has to be set by external components.
template < int size, unsigned int type, class DataTypes>
void OglAttribute< size, type, DataTypes>::handleTopologyChange()
{
if( _topology)
{
std::list<const TopologyChange *>::const_iterator itBegin=_topology->firstChange();
std::list<const TopologyChange *>::const_iterator itEnd=_topology->lastChange();
while( itBegin != itEnd )
{
core::componentmodel::topology::TopologyChangeType changeType = (*itBegin)->getChangeType();
switch( changeType )
{
case core::componentmodel::topology::ENDING_EVENT:
{
//sout << "INFO_print : Vis - ENDING_EVENT" << sendl;
updateVisual();
break;
}
case core::componentmodel::topology::TRIANGLESADDED:
{
//sout << "INFO_print : Vis - TRIANGLESADDED" << sendl;
break;
}
case core::componentmodel::topology::QUADSADDED:
{
//sout << "INFO_print : Vis - QUADSADDED" << sendl;
break;
}
case core::componentmodel::topology::TRIANGLESREMOVED:
{
//sout << "INFO_print : Vis - TRIANGLESREMOVED" << sendl;
break;
}
case core::componentmodel::topology::QUADSREMOVED:
{
//sout << "INFO_print : Vis - QUADSREMOVED" << sendl;
break;
}
case core::componentmodel::topology::POINTSADDED:
{
//sout << "INFO_print : Vis - POINTSADDED" << sendl;
unsigned int nbPoints = ( static_cast< const PointsAdded * >( *itBegin ) )->getNbAddedVertices();
ResizableExtVector<DataTypes>& data = *value.beginEdit();
data.resize( data.size() + nbPoints);
value.endEdit();
break;
}
// Case "POINTSREMOVED" added to propagate the treatment to the Visual Model
case core::componentmodel::topology::POINTSREMOVED:
{
//sout << "INFO_print : Vis - POINTSREMOVED" << sendl;
const sofa::helper::vector<unsigned int> tab = ( static_cast< const sofa::component::topology::PointsRemoved * >( *itBegin ) )->getArray();
ResizableExtVector<DataTypes>& data = *value.beginEdit();
unsigned int last = data.size();
for ( unsigned int i = 0; i < tab.size(); ++i)
{
last--;
data[tab[i]] = data[last];
}
data.resize( last);
value.endEdit();
break;
}
// Case "POINTSRENUMBERING" added to propagate the treatment to the Visual Model
case core::componentmodel::topology::POINTSRENUMBERING:
{
//sout << "INFO_print : Vis - POINTSRENUMBERING" << sendl;
const sofa::helper::vector<unsigned int> tab = ( static_cast< const sofa::component::topology::PointsRenumbering * >( *itBegin ) )->getinv_IndexArray();
ResizableExtVector<DataTypes>& data = *value.beginEdit();
vector<DataTypes> tmp;
for ( unsigned int i = 0; i < tab.size(); ++i)
{
tmp.push_back( data[tab[i]]);
}
for ( unsigned int i = 0; i < tab.size(); ++i)
{
data[i] = tmp[i];
}
value.endEdit();
break;
}
default:
// Ignore events that are not Triangle related.
break;
}; // switch( changeType )
++itBegin;
} // while( changeIt != last; )
}
}
}
}
}
#endif
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