OpenSceneGraph/src/osgPlugins/ive/FragmentProgram.cpp

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/**********************************************************************
*
* FILE: FragmentProgram.cpp
*
* DESCRIPTION: Read/Write osg::FragmentProgram in binary format to disk.
*
* CREATED BY: rpk@blue-newt.com
*
* HISTORY: Created 04/20/2004
*
* Copyright 2004 Blue Newt Software
**********************************************************************/
#include "Exception.h"
#include "FragmentProgram.h"
#include "Object.h"
using namespace ive;
void FragmentProgram::write( DataOutputStream* out )
{
// Write FragmentProgram identification.
out->writeInt( IVEFRAGMENTPROGRAM );
// If the osg class is inherited by any other class we should
// also write this to file.
osg::Object* obj = dynamic_cast<osg::Object*>(this);
if( obj )
{
( ( ive::Object* )( obj ) )->write( out );
}
else
{
throw Exception("Material::write(): Could not cast this osg::FragmentProgram to an osg::Object.");
}
// Write FragmentProgram properties.
FragmentProgram::LocalParamList lpl = getLocalParamList();
out->writeInt(lpl.size());
for(FragmentProgram::LocalParamList::iterator i=lpl.begin(); i!=lpl.end(); ++i)
{
out->writeInt(i->first);
out->writeVec4(i->second);
}
// Write program.
out->writeString( this->getFragmentProgram() );
}
void FragmentProgram::read(DataInputStream* in){
// Read FragmentProgram identification.
int id = in->peekInt();
if( id == IVEFRAGMENTPROGRAM )
{
// Code to read FragmentProgram properties.
id = in->readInt();
// handle Object data
osg::Object* obj = dynamic_cast<osg::Object*>(this);
if( obj )
{
( ( ive::Object* )( obj ) )->read( in );
}
else
{
throw Exception( "Material::read(): Could not cast this osg::FragmentProgram to an osg::Object." );
}
// Read data
int i, size;
size = in->readInt();
for(i=0; i<size; i++)
this->setProgramLocalParameter( in->readInt(), in->readVec4() );
std::string fp = in->readString();
this->setFragmentProgram( fp );
}
else
{
throw Exception("FragmentProgram::read(): Expected FragmentProgram identification.");
}
}